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authorDave Airlie <airlied@redhat.com>2024-12-02 16:46:59 +1000
committerDave Airlie <airlied@redhat.com>2024-12-02 16:46:59 +1000
commita54328f20c70e6c0033d72c37053e4ebebbbc8f1 (patch)
tree6a387ec3f3d93d5b151d6ad7c55afeaee6867467
parent057d5bcd17f9c6ccefb9e5c6df82c0f3b41bb411 (diff)
2024y-12m-02d-06h-42m-09s UTC: drm-tip rerere cache update
git version 2.47.0
-rw-r--r--rr-cache/7bfc6c38772d08d28d6c1be5d76c0a61fd0acf03/postimage2249
-rw-r--r--rr-cache/7bfc6c38772d08d28d6c1be5d76c0a61fd0acf03/preimage2320
-rw-r--r--rr-cache/d4411ef71ed1899152af2d2b74ba2ad8fdf109e8/postimage1262
-rw-r--r--rr-cache/d4411ef71ed1899152af2d2b74ba2ad8fdf109e8/preimage1274
4 files changed, 0 insertions, 7105 deletions
diff --git a/rr-cache/7bfc6c38772d08d28d6c1be5d76c0a61fd0acf03/postimage b/rr-cache/7bfc6c38772d08d28d6c1be5d76c0a61fd0acf03/postimage
deleted file mode 100644
index 0e57aa5d30c9..000000000000
--- a/rr-cache/7bfc6c38772d08d28d6c1be5d76c0a61fd0acf03/postimage
+++ /dev/null
@@ -1,2249 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2022 Intel Corporation
- */
-
-#include "xe_guc_submit.h"
-
-#include <linux/bitfield.h>
-#include <linux/bitmap.h>
-#include <linux/circ_buf.h>
-#include <linux/delay.h>
-#include <linux/dma-fence-array.h>
-#include <linux/math64.h>
-
-#include <drm/drm_managed.h>
-
-#include "abi/guc_actions_abi.h"
-#include "abi/guc_klvs_abi.h"
-#include "regs/xe_lrc_layout.h"
-#include "xe_assert.h"
-#include "xe_devcoredump.h"
-#include "xe_device.h"
-#include "xe_exec_queue.h"
-#include "xe_force_wake.h"
-#include "xe_gpu_scheduler.h"
-#include "xe_gt.h"
-#include "xe_gt_clock.h"
-#include "xe_gt_printk.h"
-#include "xe_guc.h"
-#include "xe_guc_ct.h"
-#include "xe_guc_exec_queue_types.h"
-#include "xe_guc_id_mgr.h"
-#include "xe_guc_submit_types.h"
-#include "xe_hw_engine.h"
-#include "xe_hw_fence.h"
-#include "xe_lrc.h"
-#include "xe_macros.h"
-#include "xe_map.h"
-#include "xe_mocs.h"
-#include "xe_pm.h"
-#include "xe_ring_ops_types.h"
-#include "xe_sched_job.h"
-#include "xe_trace.h"
-#include "xe_vm.h"
-
-static struct xe_guc *
-exec_queue_to_guc(struct xe_exec_queue *q)
-{
- return &q->gt->uc.guc;
-}
-
-/*
- * Helpers for engine state, using an atomic as some of the bits can transition
- * as the same time (e.g. a suspend can be happning at the same time as schedule
- * engine done being processed).
- */
-#define EXEC_QUEUE_STATE_REGISTERED (1 << 0)
-#define EXEC_QUEUE_STATE_ENABLED (1 << 1)
-#define EXEC_QUEUE_STATE_PENDING_ENABLE (1 << 2)
-#define EXEC_QUEUE_STATE_PENDING_DISABLE (1 << 3)
-#define EXEC_QUEUE_STATE_DESTROYED (1 << 4)
-#define EXEC_QUEUE_STATE_SUSPENDED (1 << 5)
-#define EXEC_QUEUE_STATE_RESET (1 << 6)
-#define EXEC_QUEUE_STATE_KILLED (1 << 7)
-#define EXEC_QUEUE_STATE_WEDGED (1 << 8)
-#define EXEC_QUEUE_STATE_BANNED (1 << 9)
-#define EXEC_QUEUE_STATE_CHECK_TIMEOUT (1 << 10)
-#define EXEC_QUEUE_STATE_EXTRA_REF (1 << 11)
-
-static bool exec_queue_registered(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_REGISTERED;
-}
-
-static void set_exec_queue_registered(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_REGISTERED, &q->guc->state);
-}
-
-static void clear_exec_queue_registered(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_REGISTERED, &q->guc->state);
-}
-
-static bool exec_queue_enabled(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_ENABLED;
-}
-
-static void set_exec_queue_enabled(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_ENABLED, &q->guc->state);
-}
-
-static void clear_exec_queue_enabled(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_ENABLED, &q->guc->state);
-}
-
-static bool exec_queue_pending_enable(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_PENDING_ENABLE;
-}
-
-static void set_exec_queue_pending_enable(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_PENDING_ENABLE, &q->guc->state);
-}
-
-static void clear_exec_queue_pending_enable(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_PENDING_ENABLE, &q->guc->state);
-}
-
-static bool exec_queue_pending_disable(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_PENDING_DISABLE;
-}
-
-static void set_exec_queue_pending_disable(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_PENDING_DISABLE, &q->guc->state);
-}
-
-static void clear_exec_queue_pending_disable(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_PENDING_DISABLE, &q->guc->state);
-}
-
-static bool exec_queue_destroyed(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_DESTROYED;
-}
-
-static void set_exec_queue_destroyed(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_DESTROYED, &q->guc->state);
-}
-
-static bool exec_queue_banned(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_BANNED;
-}
-
-static void set_exec_queue_banned(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_BANNED, &q->guc->state);
-}
-
-static bool exec_queue_suspended(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_SUSPENDED;
-}
-
-static void set_exec_queue_suspended(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_SUSPENDED, &q->guc->state);
-}
-
-static void clear_exec_queue_suspended(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_SUSPENDED, &q->guc->state);
-}
-
-static bool exec_queue_reset(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_RESET;
-}
-
-static void set_exec_queue_reset(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_RESET, &q->guc->state);
-}
-
-static bool exec_queue_killed(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_KILLED;
-}
-
-static void set_exec_queue_killed(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_KILLED, &q->guc->state);
-}
-
-static bool exec_queue_wedged(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_WEDGED;
-}
-
-static void set_exec_queue_wedged(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_WEDGED, &q->guc->state);
-}
-
-static bool exec_queue_check_timeout(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_CHECK_TIMEOUT;
-}
-
-static void set_exec_queue_check_timeout(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_CHECK_TIMEOUT, &q->guc->state);
-}
-
-static void clear_exec_queue_check_timeout(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_CHECK_TIMEOUT, &q->guc->state);
-}
-
-static bool exec_queue_extra_ref(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_EXTRA_REF;
-}
-
-static void set_exec_queue_extra_ref(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_EXTRA_REF, &q->guc->state);
-}
-
-static bool exec_queue_killed_or_banned_or_wedged(struct xe_exec_queue *q)
-{
- return (atomic_read(&q->guc->state) &
- (EXEC_QUEUE_STATE_WEDGED | EXEC_QUEUE_STATE_KILLED |
- EXEC_QUEUE_STATE_BANNED));
-}
-
-static void guc_submit_fini(struct drm_device *drm, void *arg)
-{
- struct xe_guc *guc = arg;
-
- xa_destroy(&guc->submission_state.exec_queue_lookup);
-}
-
-static void guc_submit_wedged_fini(void *arg)
-{
- struct xe_guc *guc = arg;
- struct xe_exec_queue *q;
- unsigned long index;
-
- mutex_lock(&guc->submission_state.lock);
- xa_for_each(&guc->submission_state.exec_queue_lookup, index, q) {
- if (exec_queue_wedged(q)) {
- mutex_unlock(&guc->submission_state.lock);
- xe_exec_queue_put(q);
- mutex_lock(&guc->submission_state.lock);
- }
- }
- mutex_unlock(&guc->submission_state.lock);
-}
-
-static const struct xe_exec_queue_ops guc_exec_queue_ops;
-
-static void primelockdep(struct xe_guc *guc)
-{
- if (!IS_ENABLED(CONFIG_LOCKDEP))
- return;
-
- fs_reclaim_acquire(GFP_KERNEL);
-
- mutex_lock(&guc->submission_state.lock);
- mutex_unlock(&guc->submission_state.lock);
-
- fs_reclaim_release(GFP_KERNEL);
-}
-
-/**
- * xe_guc_submit_init() - Initialize GuC submission.
- * @guc: the &xe_guc to initialize
- * @num_ids: number of GuC context IDs to use
- *
- * The bare-metal or PF driver can pass ~0 as &num_ids to indicate that all
- * GuC context IDs supported by the GuC firmware should be used for submission.
- *
- * Only VF drivers will have to provide explicit number of GuC context IDs
- * that they can use for submission.
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int xe_guc_submit_init(struct xe_guc *guc, unsigned int num_ids)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_gt *gt = guc_to_gt(guc);
- int err;
-
- err = drmm_mutex_init(&xe->drm, &guc->submission_state.lock);
- if (err)
- return err;
-
- err = xe_guc_id_mgr_init(&guc->submission_state.idm, num_ids);
- if (err)
- return err;
-
- gt->exec_queue_ops = &guc_exec_queue_ops;
-
- xa_init(&guc->submission_state.exec_queue_lookup);
-
- init_waitqueue_head(&guc->submission_state.fini_wq);
-
- primelockdep(guc);
-
- return drmm_add_action_or_reset(&xe->drm, guc_submit_fini, guc);
-}
-
-static void __release_guc_id(struct xe_guc *guc, struct xe_exec_queue *q, u32 xa_count)
-{
- int i;
-
- lockdep_assert_held(&guc->submission_state.lock);
-
- for (i = 0; i < xa_count; ++i)
- xa_erase(&guc->submission_state.exec_queue_lookup, q->guc->id + i);
-
- xe_guc_id_mgr_release_locked(&guc->submission_state.idm,
- q->guc->id, q->width);
-
- if (xa_empty(&guc->submission_state.exec_queue_lookup))
- wake_up(&guc->submission_state.fini_wq);
-}
-
-static int alloc_guc_id(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- int ret;
- void *ptr;
- int i;
-
- /*
- * Must use GFP_NOWAIT as this lock is in the dma fence signalling path,
- * worse case user gets -ENOMEM on engine create and has to try again.
- *
- * FIXME: Have caller pre-alloc or post-alloc /w GFP_KERNEL to prevent
- * failure.
- */
- lockdep_assert_held(&guc->submission_state.lock);
-
- ret = xe_guc_id_mgr_reserve_locked(&guc->submission_state.idm,
- q->width);
- if (ret < 0)
- return ret;
-
- q->guc->id = ret;
-
- for (i = 0; i < q->width; ++i) {
- ptr = xa_store(&guc->submission_state.exec_queue_lookup,
- q->guc->id + i, q, GFP_NOWAIT);
- if (IS_ERR(ptr)) {
- ret = PTR_ERR(ptr);
- goto err_release;
- }
- }
-
- return 0;
-
-err_release:
- __release_guc_id(guc, q, i);
-
- return ret;
-}
-
-static void release_guc_id(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- mutex_lock(&guc->submission_state.lock);
- __release_guc_id(guc, q, q->width);
- mutex_unlock(&guc->submission_state.lock);
-}
-
-struct exec_queue_policy {
- u32 count;
- struct guc_update_exec_queue_policy h2g;
-};
-
-static u32 __guc_exec_queue_policy_action_size(struct exec_queue_policy *policy)
-{
- size_t bytes = sizeof(policy->h2g.header) +
- (sizeof(policy->h2g.klv[0]) * policy->count);
-
- return bytes / sizeof(u32);
-}
-
-static void __guc_exec_queue_policy_start_klv(struct exec_queue_policy *policy,
- u16 guc_id)
-{
- policy->h2g.header.action =
- XE_GUC_ACTION_HOST2GUC_UPDATE_CONTEXT_POLICIES;
- policy->h2g.header.guc_id = guc_id;
- policy->count = 0;
-}
-
-#define MAKE_EXEC_QUEUE_POLICY_ADD(func, id) \
-static void __guc_exec_queue_policy_add_##func(struct exec_queue_policy *policy, \
- u32 data) \
-{ \
- XE_WARN_ON(policy->count >= GUC_CONTEXT_POLICIES_KLV_NUM_IDS); \
-\
- policy->h2g.klv[policy->count].kl = \
- FIELD_PREP(GUC_KLV_0_KEY, \
- GUC_CONTEXT_POLICIES_KLV_ID_##id) | \
- FIELD_PREP(GUC_KLV_0_LEN, 1); \
- policy->h2g.klv[policy->count].value = data; \
- policy->count++; \
-}
-
-MAKE_EXEC_QUEUE_POLICY_ADD(execution_quantum, EXECUTION_QUANTUM)
-MAKE_EXEC_QUEUE_POLICY_ADD(preemption_timeout, PREEMPTION_TIMEOUT)
-MAKE_EXEC_QUEUE_POLICY_ADD(priority, SCHEDULING_PRIORITY)
-#undef MAKE_EXEC_QUEUE_POLICY_ADD
-
-static const int xe_exec_queue_prio_to_guc[] = {
- [XE_EXEC_QUEUE_PRIORITY_LOW] = GUC_CLIENT_PRIORITY_NORMAL,
- [XE_EXEC_QUEUE_PRIORITY_NORMAL] = GUC_CLIENT_PRIORITY_KMD_NORMAL,
- [XE_EXEC_QUEUE_PRIORITY_HIGH] = GUC_CLIENT_PRIORITY_HIGH,
- [XE_EXEC_QUEUE_PRIORITY_KERNEL] = GUC_CLIENT_PRIORITY_KMD_HIGH,
-};
-
-static void init_policies(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- struct exec_queue_policy policy;
- struct xe_device *xe = guc_to_xe(guc);
- enum xe_exec_queue_priority prio = q->sched_props.priority;
- u32 timeslice_us = q->sched_props.timeslice_us;
- u32 preempt_timeout_us = q->sched_props.preempt_timeout_us;
-
- xe_assert(xe, exec_queue_registered(q));
-
- __guc_exec_queue_policy_start_klv(&policy, q->guc->id);
- __guc_exec_queue_policy_add_priority(&policy, xe_exec_queue_prio_to_guc[prio]);
- __guc_exec_queue_policy_add_execution_quantum(&policy, timeslice_us);
- __guc_exec_queue_policy_add_preemption_timeout(&policy, preempt_timeout_us);
-
- xe_guc_ct_send(&guc->ct, (u32 *)&policy.h2g,
- __guc_exec_queue_policy_action_size(&policy), 0, 0);
-}
-
-static void set_min_preemption_timeout(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- struct exec_queue_policy policy;
-
- __guc_exec_queue_policy_start_klv(&policy, q->guc->id);
- __guc_exec_queue_policy_add_preemption_timeout(&policy, 1);
-
- xe_guc_ct_send(&guc->ct, (u32 *)&policy.h2g,
- __guc_exec_queue_policy_action_size(&policy), 0, 0);
-}
-
-#define parallel_read(xe_, map_, field_) \
- xe_map_rd_field(xe_, &map_, 0, struct guc_submit_parallel_scratch, \
- field_)
-#define parallel_write(xe_, map_, field_, val_) \
- xe_map_wr_field(xe_, &map_, 0, struct guc_submit_parallel_scratch, \
- field_, val_)
-
-static void __register_mlrc_exec_queue(struct xe_guc *guc,
- struct xe_exec_queue *q,
- struct guc_ctxt_registration_info *info)
-{
-#define MAX_MLRC_REG_SIZE (13 + XE_HW_ENGINE_MAX_INSTANCE * 2)
- struct xe_device *xe = guc_to_xe(guc);
- u32 action[MAX_MLRC_REG_SIZE];
- int len = 0;
- int i;
-
- xe_assert(xe, xe_exec_queue_is_parallel(q));
-
- action[len++] = XE_GUC_ACTION_REGISTER_CONTEXT_MULTI_LRC;
- action[len++] = info->flags;
- action[len++] = info->context_idx;
- action[len++] = info->engine_class;
- action[len++] = info->engine_submit_mask;
- action[len++] = info->wq_desc_lo;
- action[len++] = info->wq_desc_hi;
- action[len++] = info->wq_base_lo;
- action[len++] = info->wq_base_hi;
- action[len++] = info->wq_size;
- action[len++] = q->width;
- action[len++] = info->hwlrca_lo;
- action[len++] = info->hwlrca_hi;
-
- for (i = 1; i < q->width; ++i) {
- struct xe_lrc *lrc = q->lrc[i];
-
- action[len++] = lower_32_bits(xe_lrc_descriptor(lrc));
- action[len++] = upper_32_bits(xe_lrc_descriptor(lrc));
- }
-
- xe_assert(xe, len <= MAX_MLRC_REG_SIZE);
-#undef MAX_MLRC_REG_SIZE
-
- xe_guc_ct_send(&guc->ct, action, len, 0, 0);
-}
-
-static void __register_exec_queue(struct xe_guc *guc,
- struct guc_ctxt_registration_info *info)
-{
- u32 action[] = {
- XE_GUC_ACTION_REGISTER_CONTEXT,
- info->flags,
- info->context_idx,
- info->engine_class,
- info->engine_submit_mask,
- info->wq_desc_lo,
- info->wq_desc_hi,
- info->wq_base_lo,
- info->wq_base_hi,
- info->wq_size,
- info->hwlrca_lo,
- info->hwlrca_hi,
- };
-
- xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action), 0, 0);
-}
-
-static void register_exec_queue(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_lrc *lrc = q->lrc[0];
- struct guc_ctxt_registration_info info;
-
- xe_assert(xe, !exec_queue_registered(q));
-
- memset(&info, 0, sizeof(info));
- info.context_idx = q->guc->id;
- info.engine_class = xe_engine_class_to_guc_class(q->class);
- info.engine_submit_mask = q->logical_mask;
- info.hwlrca_lo = lower_32_bits(xe_lrc_descriptor(lrc));
- info.hwlrca_hi = upper_32_bits(xe_lrc_descriptor(lrc));
- info.flags = CONTEXT_REGISTRATION_FLAG_KMD;
-
- if (xe_exec_queue_is_parallel(q)) {
- u64 ggtt_addr = xe_lrc_parallel_ggtt_addr(lrc);
- struct iosys_map map = xe_lrc_parallel_map(lrc);
-
- info.wq_desc_lo = lower_32_bits(ggtt_addr +
- offsetof(struct guc_submit_parallel_scratch, wq_desc));
- info.wq_desc_hi = upper_32_bits(ggtt_addr +
- offsetof(struct guc_submit_parallel_scratch, wq_desc));
- info.wq_base_lo = lower_32_bits(ggtt_addr +
- offsetof(struct guc_submit_parallel_scratch, wq[0]));
- info.wq_base_hi = upper_32_bits(ggtt_addr +
- offsetof(struct guc_submit_parallel_scratch, wq[0]));
- info.wq_size = WQ_SIZE;
-
- q->guc->wqi_head = 0;
- q->guc->wqi_tail = 0;
- xe_map_memset(xe, &map, 0, 0, PARALLEL_SCRATCH_SIZE - WQ_SIZE);
- parallel_write(xe, map, wq_desc.wq_status, WQ_STATUS_ACTIVE);
- }
-
- /*
- * We must keep a reference for LR engines if engine is registered with
- * the GuC as jobs signal immediately and can't destroy an engine if the
- * GuC has a reference to it.
- */
- if (xe_exec_queue_is_lr(q))
- xe_exec_queue_get(q);
-
- set_exec_queue_registered(q);
- trace_xe_exec_queue_register(q);
- if (xe_exec_queue_is_parallel(q))
- __register_mlrc_exec_queue(guc, q, &info);
- else
- __register_exec_queue(guc, &info);
- init_policies(guc, q);
-}
-
-static u32 wq_space_until_wrap(struct xe_exec_queue *q)
-{
- return (WQ_SIZE - q->guc->wqi_tail);
-}
-
-static int wq_wait_for_space(struct xe_exec_queue *q, u32 wqi_size)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct iosys_map map = xe_lrc_parallel_map(q->lrc[0]);
- unsigned int sleep_period_ms = 1;
-
-#define AVAILABLE_SPACE \
- CIRC_SPACE(q->guc->wqi_tail, q->guc->wqi_head, WQ_SIZE)
- if (wqi_size > AVAILABLE_SPACE) {
-try_again:
- q->guc->wqi_head = parallel_read(xe, map, wq_desc.head);
- if (wqi_size > AVAILABLE_SPACE) {
- if (sleep_period_ms == 1024) {
- xe_gt_reset_async(q->gt);
- return -ENODEV;
- }
-
- msleep(sleep_period_ms);
- sleep_period_ms <<= 1;
- goto try_again;
- }
- }
-#undef AVAILABLE_SPACE
-
- return 0;
-}
-
-static int wq_noop_append(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct iosys_map map = xe_lrc_parallel_map(q->lrc[0]);
- u32 len_dw = wq_space_until_wrap(q) / sizeof(u32) - 1;
-
- if (wq_wait_for_space(q, wq_space_until_wrap(q)))
- return -ENODEV;
-
- xe_assert(xe, FIELD_FIT(WQ_LEN_MASK, len_dw));
-
- parallel_write(xe, map, wq[q->guc->wqi_tail / sizeof(u32)],
- FIELD_PREP(WQ_TYPE_MASK, WQ_TYPE_NOOP) |
- FIELD_PREP(WQ_LEN_MASK, len_dw));
- q->guc->wqi_tail = 0;
-
- return 0;
-}
-
-static void wq_item_append(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct iosys_map map = xe_lrc_parallel_map(q->lrc[0]);
-#define WQ_HEADER_SIZE 4 /* Includes 1 LRC address too */
- u32 wqi[XE_HW_ENGINE_MAX_INSTANCE + (WQ_HEADER_SIZE - 1)];
- u32 wqi_size = (q->width + (WQ_HEADER_SIZE - 1)) * sizeof(u32);
- u32 len_dw = (wqi_size / sizeof(u32)) - 1;
- int i = 0, j;
-
- if (wqi_size > wq_space_until_wrap(q)) {
- if (wq_noop_append(q))
- return;
- }
- if (wq_wait_for_space(q, wqi_size))
- return;
-
- wqi[i++] = FIELD_PREP(WQ_TYPE_MASK, WQ_TYPE_MULTI_LRC) |
- FIELD_PREP(WQ_LEN_MASK, len_dw);
- wqi[i++] = xe_lrc_descriptor(q->lrc[0]);
- wqi[i++] = FIELD_PREP(WQ_GUC_ID_MASK, q->guc->id) |
- FIELD_PREP(WQ_RING_TAIL_MASK, q->lrc[0]->ring.tail / sizeof(u64));
- wqi[i++] = 0;
- for (j = 1; j < q->width; ++j) {
- struct xe_lrc *lrc = q->lrc[j];
-
- wqi[i++] = lrc->ring.tail / sizeof(u64);
- }
-
- xe_assert(xe, i == wqi_size / sizeof(u32));
-
- iosys_map_incr(&map, offsetof(struct guc_submit_parallel_scratch,
- wq[q->guc->wqi_tail / sizeof(u32)]));
- xe_map_memcpy_to(xe, &map, 0, wqi, wqi_size);
- q->guc->wqi_tail += wqi_size;
- xe_assert(xe, q->guc->wqi_tail <= WQ_SIZE);
-
- xe_device_wmb(xe);
-
- map = xe_lrc_parallel_map(q->lrc[0]);
- parallel_write(xe, map, wq_desc.tail, q->guc->wqi_tail);
-}
-
-#define RESUME_PENDING ~0x0ull
-static void submit_exec_queue(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_lrc *lrc = q->lrc[0];
- u32 action[3];
- u32 g2h_len = 0;
- u32 num_g2h = 0;
- int len = 0;
- bool extra_submit = false;
-
- xe_assert(xe, exec_queue_registered(q));
-
- if (xe_exec_queue_is_parallel(q))
- wq_item_append(q);
- else
- xe_lrc_set_ring_tail(lrc, lrc->ring.tail);
-
- if (exec_queue_suspended(q) && !xe_exec_queue_is_parallel(q))
- return;
-
- if (!exec_queue_enabled(q) && !exec_queue_suspended(q)) {
- action[len++] = XE_GUC_ACTION_SCHED_CONTEXT_MODE_SET;
- action[len++] = q->guc->id;
- action[len++] = GUC_CONTEXT_ENABLE;
- g2h_len = G2H_LEN_DW_SCHED_CONTEXT_MODE_SET;
- num_g2h = 1;
- if (xe_exec_queue_is_parallel(q))
- extra_submit = true;
-
- q->guc->resume_time = RESUME_PENDING;
- set_exec_queue_pending_enable(q);
- set_exec_queue_enabled(q);
- trace_xe_exec_queue_scheduling_enable(q);
- } else {
- action[len++] = XE_GUC_ACTION_SCHED_CONTEXT;
- action[len++] = q->guc->id;
- trace_xe_exec_queue_submit(q);
- }
-
- xe_guc_ct_send(&guc->ct, action, len, g2h_len, num_g2h);
-
- if (extra_submit) {
- len = 0;
- action[len++] = XE_GUC_ACTION_SCHED_CONTEXT;
- action[len++] = q->guc->id;
- trace_xe_exec_queue_submit(q);
-
- xe_guc_ct_send(&guc->ct, action, len, 0, 0);
- }
-}
-
-static struct dma_fence *
-guc_exec_queue_run_job(struct drm_sched_job *drm_job)
-{
- struct xe_sched_job *job = to_xe_sched_job(drm_job);
- struct xe_exec_queue *q = job->q;
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- bool lr = xe_exec_queue_is_lr(q);
-
- xe_assert(xe, !(exec_queue_destroyed(q) || exec_queue_pending_disable(q)) ||
- exec_queue_banned(q) || exec_queue_suspended(q));
-
- trace_xe_sched_job_run(job);
-
- if (!exec_queue_killed_or_banned_or_wedged(q) && !xe_sched_job_is_error(job)) {
- if (!exec_queue_registered(q))
- register_exec_queue(q);
- if (!lr) /* LR jobs are emitted in the exec IOCTL */
- q->ring_ops->emit_job(job);
- submit_exec_queue(q);
- }
-
- if (lr) {
- xe_sched_job_set_error(job, -EOPNOTSUPP);
- return NULL;
- } else if (test_and_set_bit(JOB_FLAG_SUBMIT, &job->fence->flags)) {
- return job->fence;
- } else {
- return dma_fence_get(job->fence);
- }
-}
-
-static void guc_exec_queue_free_job(struct drm_sched_job *drm_job)
-{
- struct xe_sched_job *job = to_xe_sched_job(drm_job);
-
- xe_exec_queue_update_run_ticks(job->q);
-
- trace_xe_sched_job_free(job);
- xe_sched_job_put(job);
-}
-
-static int guc_read_stopped(struct xe_guc *guc)
-{
- return atomic_read(&guc->submission_state.stopped);
-}
-
-#define MAKE_SCHED_CONTEXT_ACTION(q, enable_disable) \
- u32 action[] = { \
- XE_GUC_ACTION_SCHED_CONTEXT_MODE_SET, \
- q->guc->id, \
- GUC_CONTEXT_##enable_disable, \
- }
-
-static void disable_scheduling_deregister(struct xe_guc *guc,
- struct xe_exec_queue *q)
-{
- MAKE_SCHED_CONTEXT_ACTION(q, DISABLE);
- struct xe_device *xe = guc_to_xe(guc);
- int ret;
-
- set_min_preemption_timeout(guc, q);
- smp_rmb();
- ret = wait_event_timeout(guc->ct.wq, !exec_queue_pending_enable(q) ||
- guc_read_stopped(guc), HZ * 5);
- if (!ret) {
- struct xe_gpu_scheduler *sched = &q->guc->sched;
-
- drm_warn(&xe->drm, "Pending enable failed to respond");
- xe_sched_submission_start(sched);
- xe_gt_reset_async(q->gt);
- xe_sched_tdr_queue_imm(sched);
- return;
- }
-
- clear_exec_queue_enabled(q);
- set_exec_queue_pending_disable(q);
- set_exec_queue_destroyed(q);
- trace_xe_exec_queue_scheduling_disable(q);
-
- /*
- * Reserve space for both G2H here as the 2nd G2H is sent from a G2H
- * handler and we are not allowed to reserved G2H space in handlers.
- */
- xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action),
- G2H_LEN_DW_SCHED_CONTEXT_MODE_SET +
- G2H_LEN_DW_DEREGISTER_CONTEXT, 2);
-}
-
-static void xe_guc_exec_queue_trigger_cleanup(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
-
- /** to wakeup xe_wait_user_fence ioctl if exec queue is reset */
- wake_up_all(&xe->ufence_wq);
-
- if (xe_exec_queue_is_lr(q))
- queue_work(guc_to_gt(guc)->ordered_wq, &q->guc->lr_tdr);
- else
- xe_sched_tdr_queue_imm(&q->guc->sched);
-}
-
-/**
- * xe_guc_submit_wedge() - Wedge GuC submission
- * @guc: the GuC object
- *
- * Save exec queue's registered with GuC state by taking a ref to each queue.
- * Register a DRMM handler to drop refs upon driver unload.
- */
-void xe_guc_submit_wedge(struct xe_guc *guc)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
- unsigned long index;
- int err;
-
- xe_gt_assert(guc_to_gt(guc), guc_to_xe(guc)->wedged.mode);
-
- err = devm_add_action_or_reset(guc_to_xe(guc)->drm.dev,
- guc_submit_wedged_fini, guc);
- if (err) {
- drm_err(&xe->drm, "Failed to register xe_guc_submit clean-up on wedged.mode=2. Although device is wedged.\n");
- return;
- }
-
- mutex_lock(&guc->submission_state.lock);
- xa_for_each(&guc->submission_state.exec_queue_lookup, index, q)
- if (xe_exec_queue_get_unless_zero(q))
- set_exec_queue_wedged(q);
- mutex_unlock(&guc->submission_state.lock);
-}
-
-static bool guc_submit_hint_wedged(struct xe_guc *guc)
-{
- struct xe_device *xe = guc_to_xe(guc);
-
- if (xe->wedged.mode != 2)
- return false;
-
- if (xe_device_wedged(xe))
- return true;
-
- xe_device_declare_wedged(xe);
-
- return true;
-}
-
-static void xe_guc_exec_queue_lr_cleanup(struct work_struct *w)
-{
- struct xe_guc_exec_queue *ge =
- container_of(w, struct xe_guc_exec_queue, lr_tdr);
- struct xe_exec_queue *q = ge->q;
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_gpu_scheduler *sched = &ge->sched;
- bool wedged;
-
- xe_assert(xe, xe_exec_queue_is_lr(q));
- trace_xe_exec_queue_lr_cleanup(q);
-
- wedged = guc_submit_hint_wedged(exec_queue_to_guc(q));
-
- /* Kill the run_job / process_msg entry points */
- xe_sched_submission_stop(sched);
-
- /*
- * Engine state now mostly stable, disable scheduling / deregister if
- * needed. This cleanup routine might be called multiple times, where
- * the actual async engine deregister drops the final engine ref.
- * Calling disable_scheduling_deregister will mark the engine as
- * destroyed and fire off the CT requests to disable scheduling /
- * deregister, which we only want to do once. We also don't want to mark
- * the engine as pending_disable again as this may race with the
- * xe_guc_deregister_done_handler() which treats it as an unexpected
- * state.
- */
- if (!wedged && exec_queue_registered(q) && !exec_queue_destroyed(q)) {
- struct xe_guc *guc = exec_queue_to_guc(q);
- int ret;
-
- set_exec_queue_banned(q);
- disable_scheduling_deregister(guc, q);
-
- /*
- * Must wait for scheduling to be disabled before signalling
- * any fences, if GT broken the GT reset code should signal us.
- */
- ret = wait_event_timeout(guc->ct.wq,
- !exec_queue_pending_disable(q) ||
- guc_read_stopped(guc), HZ * 5);
- if (!ret) {
- drm_warn(&xe->drm, "Schedule disable failed to respond");
- xe_sched_submission_start(sched);
- xe_gt_reset_async(q->gt);
- return;
- }
- }
-
- xe_sched_submission_start(sched);
-}
-
-#define ADJUST_FIVE_PERCENT(__t) mul_u64_u32_div(__t, 105, 100)
-
-static bool check_timeout(struct xe_exec_queue *q, struct xe_sched_job *job)
-{
- struct xe_gt *gt = guc_to_gt(exec_queue_to_guc(q));
- u32 ctx_timestamp = xe_lrc_ctx_timestamp(q->lrc[0]);
- u32 ctx_job_timestamp = xe_lrc_ctx_job_timestamp(q->lrc[0]);
- u32 timeout_ms = q->sched_props.job_timeout_ms;
- u32 diff;
- u64 running_time_ms;
-
- /*
- * Counter wraps at ~223s at the usual 19.2MHz, be paranoid catch
- * possible overflows with a high timeout.
- */
- xe_gt_assert(gt, timeout_ms < 100 * MSEC_PER_SEC);
-
- if (ctx_timestamp < ctx_job_timestamp)
- diff = ctx_timestamp + U32_MAX - ctx_job_timestamp;
- else
- diff = ctx_timestamp - ctx_job_timestamp;
-
- /*
- * Ensure timeout is within 5% to account for an GuC scheduling latency
- */
- running_time_ms =
- ADJUST_FIVE_PERCENT(xe_gt_clock_interval_to_ms(gt, diff));
-
- xe_gt_dbg(gt,
- "Check job timeout: seqno=%u, lrc_seqno=%u, guc_id=%d, running_time_ms=%llu, timeout_ms=%u, diff=0x%08x",
- xe_sched_job_seqno(job), xe_sched_job_lrc_seqno(job),
- q->guc->id, running_time_ms, timeout_ms, diff);
-
- return running_time_ms >= timeout_ms;
-}
-
-static void enable_scheduling(struct xe_exec_queue *q)
-{
- MAKE_SCHED_CONTEXT_ACTION(q, ENABLE);
- struct xe_guc *guc = exec_queue_to_guc(q);
- int ret;
-
- xe_gt_assert(guc_to_gt(guc), !exec_queue_destroyed(q));
- xe_gt_assert(guc_to_gt(guc), exec_queue_registered(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_disable(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_enable(q));
-
- set_exec_queue_pending_enable(q);
- set_exec_queue_enabled(q);
- trace_xe_exec_queue_scheduling_enable(q);
-
- xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action),
- G2H_LEN_DW_SCHED_CONTEXT_MODE_SET, 1);
-
- ret = wait_event_timeout(guc->ct.wq,
- !exec_queue_pending_enable(q) ||
- guc_read_stopped(guc), HZ * 5);
- if (!ret || guc_read_stopped(guc)) {
- xe_gt_warn(guc_to_gt(guc), "Schedule enable failed to respond");
- set_exec_queue_banned(q);
- xe_gt_reset_async(q->gt);
- xe_sched_tdr_queue_imm(&q->guc->sched);
- }
-}
-
-static void disable_scheduling(struct xe_exec_queue *q, bool immediate)
-{
- MAKE_SCHED_CONTEXT_ACTION(q, DISABLE);
- struct xe_guc *guc = exec_queue_to_guc(q);
-
- xe_gt_assert(guc_to_gt(guc), !exec_queue_destroyed(q));
- xe_gt_assert(guc_to_gt(guc), exec_queue_registered(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_disable(q));
-
- if (immediate)
- set_min_preemption_timeout(guc, q);
- clear_exec_queue_enabled(q);
- set_exec_queue_pending_disable(q);
- trace_xe_exec_queue_scheduling_disable(q);
-
- xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action),
- G2H_LEN_DW_SCHED_CONTEXT_MODE_SET, 1);
-}
-
-static void __deregister_exec_queue(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- u32 action[] = {
- XE_GUC_ACTION_DEREGISTER_CONTEXT,
- q->guc->id,
- };
-
- xe_gt_assert(guc_to_gt(guc), !exec_queue_destroyed(q));
- xe_gt_assert(guc_to_gt(guc), exec_queue_registered(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_enable(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_disable(q));
-
- set_exec_queue_destroyed(q);
- trace_xe_exec_queue_deregister(q);
-
- xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action),
- G2H_LEN_DW_DEREGISTER_CONTEXT, 1);
-}
-
-static enum drm_gpu_sched_stat
-guc_exec_queue_timedout_job(struct drm_sched_job *drm_job)
-{
- struct xe_sched_job *job = to_xe_sched_job(drm_job);
- struct xe_sched_job *tmp_job;
- struct xe_exec_queue *q = job->q;
- struct xe_gpu_scheduler *sched = &q->guc->sched;
- struct xe_guc *guc = exec_queue_to_guc(q);
- const char *process_name = "no process";
- int err = -ETIME;
- pid_t pid = -1;
- int i = 0;
- bool wedged, skip_timeout_check;
-
- /*
- * TDR has fired before free job worker. Common if exec queue
- * immediately closed after last fence signaled.
- */
- if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &job->fence->flags)) {
- guc_exec_queue_free_job(drm_job);
-
- return DRM_GPU_SCHED_STAT_NOMINAL;
- }
-
- /* Kill the run_job entry point */
- xe_sched_submission_stop(sched);
-
- /* Must check all state after stopping scheduler */
- skip_timeout_check = exec_queue_reset(q) ||
- exec_queue_killed_or_banned_or_wedged(q) ||
- exec_queue_destroyed(q);
-
- /* Job hasn't started, can't be timed out */
- if (!skip_timeout_check && !xe_sched_job_started(job))
- goto rearm;
-
- /*
- * XXX: Sampling timeout doesn't work in wedged mode as we have to
- * modify scheduling state to read timestamp. We could read the
- * timestamp from a register to accumulate current running time but this
- * doesn't work for SRIOV. For now assuming timeouts in wedged mode are
- * genuine timeouts.
- */
- wedged = guc_submit_hint_wedged(exec_queue_to_guc(q));
-
- /* Engine state now stable, disable scheduling to check timestamp */
- if (!wedged && exec_queue_registered(q)) {
- int ret;
-
- if (exec_queue_reset(q))
- err = -EIO;
-
- if (!exec_queue_destroyed(q)) {
- /*
- * Wait for any pending G2H to flush out before
- * modifying state
- */
- ret = wait_event_timeout(guc->ct.wq,
- !exec_queue_pending_enable(q) ||
- guc_read_stopped(guc), HZ * 5);
- if (!ret || guc_read_stopped(guc))
- goto trigger_reset;
-
- /*
- * Flag communicates to G2H handler that schedule
- * disable originated from a timeout check. The G2H then
- * avoid triggering cleanup or deregistering the exec
- * queue.
- */
- set_exec_queue_check_timeout(q);
- disable_scheduling(q, skip_timeout_check);
- }
-
- /*
- * Must wait for scheduling to be disabled before signalling
- * any fences, if GT broken the GT reset code should signal us.
- *
- * FIXME: Tests can generate a ton of 0x6000 (IOMMU CAT fault
- * error) messages which can cause the schedule disable to get
- * lost. If this occurs, trigger a GT reset to recover.
- */
- smp_rmb();
- ret = wait_event_timeout(guc->ct.wq,
- !exec_queue_pending_disable(q) ||
- guc_read_stopped(guc), HZ * 5);
- if (!ret || guc_read_stopped(guc)) {
-trigger_reset:
- if (!ret)
- xe_gt_warn(guc_to_gt(guc), "Schedule disable failed to respond");
- set_exec_queue_extra_ref(q);
- xe_exec_queue_get(q); /* GT reset owns this */
- set_exec_queue_banned(q);
- xe_gt_reset_async(q->gt);
- xe_sched_tdr_queue_imm(sched);
- goto rearm;
- }
- }
-
- /*
- * Check if job is actually timed out, if so restart job execution and TDR
- */
- if (!wedged && !skip_timeout_check && !check_timeout(q, job) &&
- !exec_queue_reset(q) && exec_queue_registered(q)) {
- clear_exec_queue_check_timeout(q);
- goto sched_enable;
- }
-
- if (q->vm && q->vm->xef) {
- process_name = q->vm->xef->process_name;
- pid = q->vm->xef->pid;
- }
- xe_gt_notice(guc_to_gt(guc), "Timedout job: seqno=%u, lrc_seqno=%u, guc_id=%d, flags=0x%lx in %s [%d]",
- xe_sched_job_seqno(job), xe_sched_job_lrc_seqno(job),
- q->guc->id, q->flags, process_name, pid);
-
- trace_xe_sched_job_timedout(job);
-
- if (!exec_queue_killed(q))
- xe_devcoredump(job);
-
- /*
- * Kernel jobs should never fail, nor should VM jobs if they do
- * somethings has gone wrong and the GT needs a reset
- */
- xe_gt_WARN(q->gt, q->flags & EXEC_QUEUE_FLAG_KERNEL,
- "Kernel-submitted job timed out\n");
- xe_gt_WARN(q->gt, q->flags & EXEC_QUEUE_FLAG_VM && !exec_queue_killed(q),
- "VM job timed out on non-killed execqueue\n");
- if (!wedged && (q->flags & EXEC_QUEUE_FLAG_KERNEL ||
- (q->flags & EXEC_QUEUE_FLAG_VM && !exec_queue_killed(q)))) {
- if (!xe_sched_invalidate_job(job, 2)) {
- clear_exec_queue_check_timeout(q);
- xe_gt_reset_async(q->gt);
- goto rearm;
- }
- }
-
- /* Finish cleaning up exec queue via deregister */
- set_exec_queue_banned(q);
- if (!wedged && exec_queue_registered(q) && !exec_queue_destroyed(q)) {
- set_exec_queue_extra_ref(q);
- xe_exec_queue_get(q);
- __deregister_exec_queue(guc, q);
- }
-
- /* Stop fence signaling */
- xe_hw_fence_irq_stop(q->fence_irq);
-
- /*
- * Fence state now stable, stop / start scheduler which cleans up any
- * fences that are complete
- */
- xe_sched_add_pending_job(sched, job);
- xe_sched_submission_start(sched);
-
- xe_guc_exec_queue_trigger_cleanup(q);
-
- /* Mark all outstanding jobs as bad, thus completing them */
- spin_lock(&sched->base.job_list_lock);
- list_for_each_entry(tmp_job, &sched->base.pending_list, drm.list)
- xe_sched_job_set_error(tmp_job, !i++ ? err : -ECANCELED);
- spin_unlock(&sched->base.job_list_lock);
-
- /* Start fence signaling */
- xe_hw_fence_irq_start(q->fence_irq);
-
- return DRM_GPU_SCHED_STAT_NOMINAL;
-
-sched_enable:
- enable_scheduling(q);
-rearm:
- /*
- * XXX: Ideally want to adjust timeout based on current exection time
- * but there is not currently an easy way to do in DRM scheduler. With
- * some thought, do this in a follow up.
- */
- xe_sched_add_pending_job(sched, job);
- xe_sched_submission_start(sched);
-
- return DRM_GPU_SCHED_STAT_NOMINAL;
-}
-
-static void __guc_exec_queue_fini_async(struct work_struct *w)
-{
- struct xe_guc_exec_queue *ge =
- container_of(w, struct xe_guc_exec_queue, fini_async);
- struct xe_exec_queue *q = ge->q;
- struct xe_guc *guc = exec_queue_to_guc(q);
-
- xe_pm_runtime_get(guc_to_xe(guc));
- trace_xe_exec_queue_destroy(q);
-
- if (xe_exec_queue_is_lr(q))
- cancel_work_sync(&ge->lr_tdr);
- release_guc_id(guc, q);
- xe_sched_entity_fini(&ge->entity);
- xe_sched_fini(&ge->sched);
-
- kfree(ge);
- xe_exec_queue_fini(q);
- xe_pm_runtime_put(guc_to_xe(guc));
-}
-
-static void guc_exec_queue_fini_async(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
-
- INIT_WORK(&q->guc->fini_async, __guc_exec_queue_fini_async);
-
- /* We must block on kernel engines so slabs are empty on driver unload */
- if (q->flags & EXEC_QUEUE_FLAG_PERMANENT || exec_queue_wedged(q))
- __guc_exec_queue_fini_async(&q->guc->fini_async);
- else
- queue_work(xe->destroy_wq, &q->guc->fini_async);
-}
-
-static void __guc_exec_queue_fini(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- /*
- * Might be done from within the GPU scheduler, need to do async as we
- * fini the scheduler when the engine is fini'd, the scheduler can't
- * complete fini within itself (circular dependency). Async resolves
- * this we and don't really care when everything is fini'd, just that it
- * is.
- */
- guc_exec_queue_fini_async(q);
-}
-
-static void __guc_exec_queue_process_msg_cleanup(struct xe_sched_msg *msg)
-{
- struct xe_exec_queue *q = msg->private_data;
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
-
- xe_assert(xe, !(q->flags & EXEC_QUEUE_FLAG_PERMANENT));
- trace_xe_exec_queue_cleanup_entity(q);
-
- if (exec_queue_registered(q))
- disable_scheduling_deregister(guc, q);
- else
- __guc_exec_queue_fini(guc, q);
-}
-
-static bool guc_exec_queue_allowed_to_change_state(struct xe_exec_queue *q)
-{
- return !exec_queue_killed_or_banned_or_wedged(q) && exec_queue_registered(q);
-}
-
-static void __guc_exec_queue_process_msg_set_sched_props(struct xe_sched_msg *msg)
-{
- struct xe_exec_queue *q = msg->private_data;
- struct xe_guc *guc = exec_queue_to_guc(q);
-
- if (guc_exec_queue_allowed_to_change_state(q))
- init_policies(guc, q);
- kfree(msg);
-}
-
-static void __suspend_fence_signal(struct xe_exec_queue *q)
-{
- if (!q->guc->suspend_pending)
- return;
-
- WRITE_ONCE(q->guc->suspend_pending, false);
- wake_up(&q->guc->suspend_wait);
-}
-
-static void suspend_fence_signal(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
-
- xe_assert(xe, exec_queue_suspended(q) || exec_queue_killed(q) ||
- guc_read_stopped(guc));
- xe_assert(xe, q->guc->suspend_pending);
-
- __suspend_fence_signal(q);
-}
-
-static void __guc_exec_queue_process_msg_suspend(struct xe_sched_msg *msg)
-{
- struct xe_exec_queue *q = msg->private_data;
- struct xe_guc *guc = exec_queue_to_guc(q);
-
- if (guc_exec_queue_allowed_to_change_state(q) && !exec_queue_suspended(q) &&
- exec_queue_enabled(q)) {
- wait_event(guc->ct.wq, q->guc->resume_time != RESUME_PENDING ||
- guc_read_stopped(guc));
-
- if (!guc_read_stopped(guc)) {
- s64 since_resume_ms =
- ktime_ms_delta(ktime_get(),
- q->guc->resume_time);
- s64 wait_ms = q->vm->preempt.min_run_period_ms -
- since_resume_ms;
-
- if (wait_ms > 0 && q->guc->resume_time)
- msleep(wait_ms);
-
- set_exec_queue_suspended(q);
- disable_scheduling(q, false);
- }
- } else if (q->guc->suspend_pending) {
- set_exec_queue_suspended(q);
- suspend_fence_signal(q);
- }
-}
-
-static void __guc_exec_queue_process_msg_resume(struct xe_sched_msg *msg)
-{
- struct xe_exec_queue *q = msg->private_data;
-
- if (guc_exec_queue_allowed_to_change_state(q)) {
- clear_exec_queue_suspended(q);
- if (!exec_queue_enabled(q)) {
- q->guc->resume_time = RESUME_PENDING;
- enable_scheduling(q);
- }
- } else {
- clear_exec_queue_suspended(q);
- }
-}
-
-#define CLEANUP 1 /* Non-zero values to catch uninitialized msg */
-#define SET_SCHED_PROPS 2
-#define SUSPEND 3
-#define RESUME 4
-#define OPCODE_MASK 0xf
-#define MSG_LOCKED BIT(8)
-
-static void guc_exec_queue_process_msg(struct xe_sched_msg *msg)
-{
- struct xe_device *xe = guc_to_xe(exec_queue_to_guc(msg->private_data));
-
- trace_xe_sched_msg_recv(msg);
-
- switch (msg->opcode) {
- case CLEANUP:
- __guc_exec_queue_process_msg_cleanup(msg);
- break;
- case SET_SCHED_PROPS:
- __guc_exec_queue_process_msg_set_sched_props(msg);
- break;
- case SUSPEND:
- __guc_exec_queue_process_msg_suspend(msg);
- break;
- case RESUME:
- __guc_exec_queue_process_msg_resume(msg);
- break;
- default:
- XE_WARN_ON("Unknown message type");
- }
-
- xe_pm_runtime_put(xe);
-}
-
-static const struct drm_sched_backend_ops drm_sched_ops = {
- .run_job = guc_exec_queue_run_job,
- .free_job = guc_exec_queue_free_job,
- .timedout_job = guc_exec_queue_timedout_job,
-};
-
-static const struct xe_sched_backend_ops xe_sched_ops = {
- .process_msg = guc_exec_queue_process_msg,
-};
-
-static int guc_exec_queue_init(struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched;
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_guc_exec_queue *ge;
- long timeout;
- int err, i;
-
- xe_assert(xe, xe_device_uc_enabled(guc_to_xe(guc)));
-
- ge = kzalloc(sizeof(*ge), GFP_KERNEL);
- if (!ge)
- return -ENOMEM;
-
- q->guc = ge;
- ge->q = q;
- init_waitqueue_head(&ge->suspend_wait);
-
- for (i = 0; i < MAX_STATIC_MSG_TYPE; ++i)
- INIT_LIST_HEAD(&ge->static_msgs[i].link);
-
- timeout = (q->vm && xe_vm_in_lr_mode(q->vm)) ? MAX_SCHEDULE_TIMEOUT :
- msecs_to_jiffies(q->sched_props.job_timeout_ms);
- err = xe_sched_init(&ge->sched, &drm_sched_ops, &xe_sched_ops,
- NULL, q->lrc[0]->ring.size / MAX_JOB_SIZE_BYTES, 64,
- timeout, guc_to_gt(guc)->ordered_wq, NULL,
- q->name, gt_to_xe(q->gt)->drm.dev);
- if (err)
- goto err_free;
-
- sched = &ge->sched;
- err = xe_sched_entity_init(&ge->entity, sched);
- if (err)
- goto err_sched;
-
- if (xe_exec_queue_is_lr(q))
- INIT_WORK(&q->guc->lr_tdr, xe_guc_exec_queue_lr_cleanup);
-
- mutex_lock(&guc->submission_state.lock);
-
- err = alloc_guc_id(guc, q);
- if (err)
- goto err_entity;
-
- q->entity = &ge->entity;
-
- if (guc_read_stopped(guc))
- xe_sched_stop(sched);
-
- mutex_unlock(&guc->submission_state.lock);
-
- xe_exec_queue_assign_name(q, q->guc->id);
-
- trace_xe_exec_queue_create(q);
-
- return 0;
-
-err_entity:
- mutex_unlock(&guc->submission_state.lock);
- xe_sched_entity_fini(&ge->entity);
-err_sched:
- xe_sched_fini(&ge->sched);
-err_free:
- kfree(ge);
-
- return err;
-}
-
-static void guc_exec_queue_kill(struct xe_exec_queue *q)
-{
- trace_xe_exec_queue_kill(q);
- set_exec_queue_killed(q);
- __suspend_fence_signal(q);
- xe_guc_exec_queue_trigger_cleanup(q);
-}
-
-static void guc_exec_queue_add_msg(struct xe_exec_queue *q, struct xe_sched_msg *msg,
- u32 opcode)
-{
- xe_pm_runtime_get_noresume(guc_to_xe(exec_queue_to_guc(q)));
-
- INIT_LIST_HEAD(&msg->link);
- msg->opcode = opcode & OPCODE_MASK;
- msg->private_data = q;
-
- trace_xe_sched_msg_add(msg);
- if (opcode & MSG_LOCKED)
- xe_sched_add_msg_locked(&q->guc->sched, msg);
- else
- xe_sched_add_msg(&q->guc->sched, msg);
-}
-
-static bool guc_exec_queue_try_add_msg(struct xe_exec_queue *q,
- struct xe_sched_msg *msg,
- u32 opcode)
-{
- if (!list_empty(&msg->link))
- return false;
-
- guc_exec_queue_add_msg(q, msg, opcode | MSG_LOCKED);
-
- return true;
-}
-
-#define STATIC_MSG_CLEANUP 0
-#define STATIC_MSG_SUSPEND 1
-#define STATIC_MSG_RESUME 2
-static void guc_exec_queue_fini(struct xe_exec_queue *q)
-{
- struct xe_sched_msg *msg = q->guc->static_msgs + STATIC_MSG_CLEANUP;
-
- if (!(q->flags & EXEC_QUEUE_FLAG_PERMANENT) && !exec_queue_wedged(q))
- guc_exec_queue_add_msg(q, msg, CLEANUP);
- else
- __guc_exec_queue_fini(exec_queue_to_guc(q), q);
-}
-
-static int guc_exec_queue_set_priority(struct xe_exec_queue *q,
- enum xe_exec_queue_priority priority)
-{
- struct xe_sched_msg *msg;
-
- if (q->sched_props.priority == priority ||
- exec_queue_killed_or_banned_or_wedged(q))
- return 0;
-
- msg = kmalloc(sizeof(*msg), GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
-
- q->sched_props.priority = priority;
- guc_exec_queue_add_msg(q, msg, SET_SCHED_PROPS);
-
- return 0;
-}
-
-static int guc_exec_queue_set_timeslice(struct xe_exec_queue *q, u32 timeslice_us)
-{
- struct xe_sched_msg *msg;
-
- if (q->sched_props.timeslice_us == timeslice_us ||
- exec_queue_killed_or_banned_or_wedged(q))
- return 0;
-
- msg = kmalloc(sizeof(*msg), GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
-
- q->sched_props.timeslice_us = timeslice_us;
- guc_exec_queue_add_msg(q, msg, SET_SCHED_PROPS);
-
- return 0;
-}
-
-static int guc_exec_queue_set_preempt_timeout(struct xe_exec_queue *q,
- u32 preempt_timeout_us)
-{
- struct xe_sched_msg *msg;
-
- if (q->sched_props.preempt_timeout_us == preempt_timeout_us ||
- exec_queue_killed_or_banned_or_wedged(q))
- return 0;
-
- msg = kmalloc(sizeof(*msg), GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
-
- q->sched_props.preempt_timeout_us = preempt_timeout_us;
- guc_exec_queue_add_msg(q, msg, SET_SCHED_PROPS);
-
- return 0;
-}
-
-static int guc_exec_queue_suspend(struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched = &q->guc->sched;
- struct xe_sched_msg *msg = q->guc->static_msgs + STATIC_MSG_SUSPEND;
-
- if (exec_queue_killed_or_banned_or_wedged(q))
- return -EINVAL;
-
- xe_sched_msg_lock(sched);
- if (guc_exec_queue_try_add_msg(q, msg, SUSPEND))
- q->guc->suspend_pending = true;
- xe_sched_msg_unlock(sched);
-
- return 0;
-}
-
-static int guc_exec_queue_suspend_wait(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- int ret;
-
- /*
- * Likely don't need to check exec_queue_killed() as we clear
- * suspend_pending upon kill but to be paranoid but races in which
- * suspend_pending is set after kill also check kill here.
- */
- ret = wait_event_interruptible_timeout(q->guc->suspend_wait,
- !READ_ONCE(q->guc->suspend_pending) ||
- exec_queue_killed(q) ||
- guc_read_stopped(guc),
- HZ * 5);
-
- if (!ret) {
- xe_gt_warn(guc_to_gt(guc),
- "Suspend fence, guc_id=%d, failed to respond",
- q->guc->id);
- /* XXX: Trigger GT reset? */
- return -ETIME;
- }
-
- return ret < 0 ? ret : 0;
-}
-
-static void guc_exec_queue_resume(struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched = &q->guc->sched;
- struct xe_sched_msg *msg = q->guc->static_msgs + STATIC_MSG_RESUME;
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
-
- xe_assert(xe, !q->guc->suspend_pending);
-
- xe_sched_msg_lock(sched);
- guc_exec_queue_try_add_msg(q, msg, RESUME);
- xe_sched_msg_unlock(sched);
-}
-
-static bool guc_exec_queue_reset_status(struct xe_exec_queue *q)
-{
- return exec_queue_reset(q) || exec_queue_killed_or_banned_or_wedged(q);
-}
-
-/*
- * All of these functions are an abstraction layer which other parts of XE can
- * use to trap into the GuC backend. All of these functions, aside from init,
- * really shouldn't do much other than trap into the DRM scheduler which
- * synchronizes these operations.
- */
-static const struct xe_exec_queue_ops guc_exec_queue_ops = {
- .init = guc_exec_queue_init,
- .kill = guc_exec_queue_kill,
- .fini = guc_exec_queue_fini,
- .set_priority = guc_exec_queue_set_priority,
- .set_timeslice = guc_exec_queue_set_timeslice,
- .set_preempt_timeout = guc_exec_queue_set_preempt_timeout,
- .suspend = guc_exec_queue_suspend,
- .suspend_wait = guc_exec_queue_suspend_wait,
- .resume = guc_exec_queue_resume,
- .reset_status = guc_exec_queue_reset_status,
-};
-
-static void guc_exec_queue_stop(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched = &q->guc->sched;
-
- /* Stop scheduling + flush any DRM scheduler operations */
- xe_sched_submission_stop(sched);
-
- /* Clean up lost G2H + reset engine state */
- if (exec_queue_registered(q)) {
- if (exec_queue_extra_ref(q) || xe_exec_queue_is_lr(q))
- xe_exec_queue_put(q);
- else if (exec_queue_destroyed(q))
- __guc_exec_queue_fini(guc, q);
- }
- if (q->guc->suspend_pending) {
- set_exec_queue_suspended(q);
- suspend_fence_signal(q);
- }
- atomic_and(EXEC_QUEUE_STATE_WEDGED | EXEC_QUEUE_STATE_BANNED |
- EXEC_QUEUE_STATE_KILLED | EXEC_QUEUE_STATE_DESTROYED |
- EXEC_QUEUE_STATE_SUSPENDED,
- &q->guc->state);
- q->guc->resume_time = 0;
- trace_xe_exec_queue_stop(q);
-
- /*
- * Ban any engine (aside from kernel and engines used for VM ops) with a
- * started but not complete job or if a job has gone through a GT reset
- * more than twice.
- */
- if (!(q->flags & (EXEC_QUEUE_FLAG_KERNEL | EXEC_QUEUE_FLAG_VM))) {
- struct xe_sched_job *job = xe_sched_first_pending_job(sched);
- bool ban = false;
-
- if (job) {
- if ((xe_sched_job_started(job) &&
- !xe_sched_job_completed(job)) ||
- xe_sched_invalidate_job(job, 2)) {
- trace_xe_sched_job_ban(job);
- ban = true;
- }
- } else if (xe_exec_queue_is_lr(q) &&
- (xe_lrc_ring_head(q->lrc[0]) != xe_lrc_ring_tail(q->lrc[0]))) {
- ban = true;
- }
-
- if (ban) {
- set_exec_queue_banned(q);
- xe_guc_exec_queue_trigger_cleanup(q);
- }
- }
-}
-
-int xe_guc_submit_reset_prepare(struct xe_guc *guc)
-{
- int ret;
-
- /*
- * Using an atomic here rather than submission_state.lock as this
- * function can be called while holding the CT lock (engine reset
- * failure). submission_state.lock needs the CT lock to resubmit jobs.
- * Atomic is not ideal, but it works to prevent against concurrent reset
- * and releasing any TDRs waiting on guc->submission_state.stopped.
- */
- ret = atomic_fetch_or(1, &guc->submission_state.stopped);
- smp_wmb();
- wake_up_all(&guc->ct.wq);
-
- return ret;
-}
-
-void xe_guc_submit_reset_wait(struct xe_guc *guc)
-{
- wait_event(guc->ct.wq, xe_device_wedged(guc_to_xe(guc)) ||
- !guc_read_stopped(guc));
-}
-
-void xe_guc_submit_stop(struct xe_guc *guc)
-{
- struct xe_exec_queue *q;
- unsigned long index;
- struct xe_device *xe = guc_to_xe(guc);
-
- xe_assert(xe, guc_read_stopped(guc) == 1);
-
- mutex_lock(&guc->submission_state.lock);
-
- xa_for_each(&guc->submission_state.exec_queue_lookup, index, q)
- guc_exec_queue_stop(guc, q);
-
- mutex_unlock(&guc->submission_state.lock);
-
- /*
- * No one can enter the backend at this point, aside from new engine
- * creation which is protected by guc->submission_state.lock.
- */
-
-}
-
-static void guc_exec_queue_start(struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched = &q->guc->sched;
-
- if (!exec_queue_killed_or_banned_or_wedged(q)) {
- int i;
-
- trace_xe_exec_queue_resubmit(q);
- for (i = 0; i < q->width; ++i)
- xe_lrc_set_ring_head(q->lrc[i], q->lrc[i]->ring.tail);
- xe_sched_resubmit_jobs(sched);
- }
-
- xe_sched_submission_start(sched);
-}
-
-int xe_guc_submit_start(struct xe_guc *guc)
-{
- struct xe_exec_queue *q;
- unsigned long index;
- struct xe_device *xe = guc_to_xe(guc);
-
- xe_assert(xe, guc_read_stopped(guc) == 1);
-
- mutex_lock(&guc->submission_state.lock);
- atomic_dec(&guc->submission_state.stopped);
- xa_for_each(&guc->submission_state.exec_queue_lookup, index, q)
- guc_exec_queue_start(q);
- mutex_unlock(&guc->submission_state.lock);
-
- wake_up_all(&guc->ct.wq);
-
- return 0;
-}
-
-static struct xe_exec_queue *
-g2h_exec_queue_lookup(struct xe_guc *guc, u32 guc_id)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
-
- if (unlikely(guc_id >= GUC_ID_MAX)) {
- drm_err(&xe->drm, "Invalid guc_id %u", guc_id);
- return NULL;
- }
-
- q = xa_load(&guc->submission_state.exec_queue_lookup, guc_id);
- if (unlikely(!q)) {
- drm_err(&xe->drm, "Not engine present for guc_id %u", guc_id);
- return NULL;
- }
-
- xe_assert(xe, guc_id >= q->guc->id);
- xe_assert(xe, guc_id < (q->guc->id + q->width));
-
- return q;
-}
-
-static void deregister_exec_queue(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- u32 action[] = {
- XE_GUC_ACTION_DEREGISTER_CONTEXT,
- q->guc->id,
- };
-
- xe_gt_assert(guc_to_gt(guc), exec_queue_destroyed(q));
- xe_gt_assert(guc_to_gt(guc), exec_queue_registered(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_disable(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_enable(q));
-
- trace_xe_exec_queue_deregister(q);
-
- xe_guc_ct_send_g2h_handler(&guc->ct, action, ARRAY_SIZE(action));
-}
-
-static void handle_sched_done(struct xe_guc *guc, struct xe_exec_queue *q,
- u32 runnable_state)
-{
- trace_xe_exec_queue_scheduling_done(q);
-
- if (runnable_state == 1) {
- xe_gt_assert(guc_to_gt(guc), exec_queue_pending_enable(q));
-
- q->guc->resume_time = ktime_get();
- clear_exec_queue_pending_enable(q);
- smp_wmb();
- wake_up_all(&guc->ct.wq);
- } else {
- bool check_timeout = exec_queue_check_timeout(q);
-
- xe_gt_assert(guc_to_gt(guc), runnable_state == 0);
- xe_gt_assert(guc_to_gt(guc), exec_queue_pending_disable(q));
-
- clear_exec_queue_pending_disable(q);
- if (q->guc->suspend_pending) {
- suspend_fence_signal(q);
- } else {
- if (exec_queue_banned(q) || check_timeout) {
- smp_wmb();
- wake_up_all(&guc->ct.wq);
- }
- if (!check_timeout)
- deregister_exec_queue(guc, q);
- }
- }
-}
-
-int xe_guc_sched_done_handler(struct xe_guc *guc, u32 *msg, u32 len)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
- u32 guc_id = msg[0];
- u32 runnable_state = msg[1];
-
- if (unlikely(len < 2)) {
- drm_err(&xe->drm, "Invalid length %u", len);
- return -EPROTO;
- }
-
- q = g2h_exec_queue_lookup(guc, guc_id);
- if (unlikely(!q))
- return -EPROTO;
-
- if (unlikely(!exec_queue_pending_enable(q) &&
- !exec_queue_pending_disable(q))) {
- xe_gt_err(guc_to_gt(guc),
- "SCHED_DONE: Unexpected engine state 0x%04x, guc_id=%d, runnable_state=%u",
- atomic_read(&q->guc->state), q->guc->id,
- runnable_state);
- return -EPROTO;
- }
-
- handle_sched_done(guc, q, runnable_state);
-
- return 0;
-}
-
-static void handle_deregister_done(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- trace_xe_exec_queue_deregister_done(q);
-
- clear_exec_queue_registered(q);
-
- if (exec_queue_extra_ref(q) || xe_exec_queue_is_lr(q))
- xe_exec_queue_put(q);
- else
- __guc_exec_queue_fini(guc, q);
-}
-
-int xe_guc_deregister_done_handler(struct xe_guc *guc, u32 *msg, u32 len)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
- u32 guc_id = msg[0];
-
- if (unlikely(len < 1)) {
- drm_err(&xe->drm, "Invalid length %u", len);
- return -EPROTO;
- }
-
- q = g2h_exec_queue_lookup(guc, guc_id);
- if (unlikely(!q))
- return -EPROTO;
-
- if (!exec_queue_destroyed(q) || exec_queue_pending_disable(q) ||
- exec_queue_pending_enable(q) || exec_queue_enabled(q)) {
- xe_gt_err(guc_to_gt(guc),
- "DEREGISTER_DONE: Unexpected engine state 0x%04x, guc_id=%d",
- atomic_read(&q->guc->state), q->guc->id);
- return -EPROTO;
- }
-
- handle_deregister_done(guc, q);
-
- return 0;
-}
-
-int xe_guc_exec_queue_reset_handler(struct xe_guc *guc, u32 *msg, u32 len)
-{
- struct xe_gt *gt = guc_to_gt(guc);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
- u32 guc_id = msg[0];
-
- if (unlikely(len < 1)) {
- drm_err(&xe->drm, "Invalid length %u", len);
- return -EPROTO;
- }
-
- q = g2h_exec_queue_lookup(guc, guc_id);
- if (unlikely(!q))
- return -EPROTO;
-
- xe_gt_info(gt, "Engine reset: engine_class=%s, logical_mask: 0x%x, guc_id=%d",
- xe_hw_engine_class_to_str(q->class), q->logical_mask, guc_id);
-
- /* FIXME: Do error capture, most likely async */
-
- trace_xe_exec_queue_reset(q);
-
- /*
- * A banned engine is a NOP at this point (came from
- * guc_exec_queue_timedout_job). Otherwise, kick drm scheduler to cancel
- * jobs by setting timeout of the job to the minimum value kicking
- * guc_exec_queue_timedout_job.
- */
- set_exec_queue_reset(q);
- if (!exec_queue_banned(q) && !exec_queue_check_timeout(q))
- xe_guc_exec_queue_trigger_cleanup(q);
-
- return 0;
-}
-
-int xe_guc_exec_queue_memory_cat_error_handler(struct xe_guc *guc, u32 *msg,
- u32 len)
-{
- struct xe_gt *gt = guc_to_gt(guc);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
- u32 guc_id = msg[0];
-
- if (unlikely(len < 1)) {
- drm_err(&xe->drm, "Invalid length %u", len);
- return -EPROTO;
- }
-
- q = g2h_exec_queue_lookup(guc, guc_id);
- if (unlikely(!q))
- return -EPROTO;
-
- xe_gt_dbg(gt, "Engine memory cat error: engine_class=%s, logical_mask: 0x%x, guc_id=%d",
- xe_hw_engine_class_to_str(q->class), q->logical_mask, guc_id);
-
- trace_xe_exec_queue_memory_cat_error(q);
-
- /* Treat the same as engine reset */
- set_exec_queue_reset(q);
- if (!exec_queue_banned(q) && !exec_queue_check_timeout(q))
- xe_guc_exec_queue_trigger_cleanup(q);
-
- return 0;
-}
-
-int xe_guc_exec_queue_reset_failure_handler(struct xe_guc *guc, u32 *msg, u32 len)
-{
- struct xe_device *xe = guc_to_xe(guc);
- u8 guc_class, instance;
- u32 reason;
-
- if (unlikely(len != 3)) {
- drm_err(&xe->drm, "Invalid length %u", len);
- return -EPROTO;
- }
-
- guc_class = msg[0];
- instance = msg[1];
- reason = msg[2];
-
- /* Unexpected failure of a hardware feature, log an actual error */
- drm_err(&xe->drm, "GuC engine reset request failed on %d:%d because 0x%08X",
- guc_class, instance, reason);
-
- xe_gt_reset_async(guc_to_gt(guc));
-
- return 0;
-}
-
-static void
-guc_exec_queue_wq_snapshot_capture(struct xe_exec_queue *q,
- struct xe_guc_submit_exec_queue_snapshot *snapshot)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct iosys_map map = xe_lrc_parallel_map(q->lrc[0]);
- int i;
-
- snapshot->guc.wqi_head = q->guc->wqi_head;
- snapshot->guc.wqi_tail = q->guc->wqi_tail;
- snapshot->parallel.wq_desc.head = parallel_read(xe, map, wq_desc.head);
- snapshot->parallel.wq_desc.tail = parallel_read(xe, map, wq_desc.tail);
- snapshot->parallel.wq_desc.status = parallel_read(xe, map,
- wq_desc.wq_status);
-
- if (snapshot->parallel.wq_desc.head !=
- snapshot->parallel.wq_desc.tail) {
- for (i = snapshot->parallel.wq_desc.head;
- i != snapshot->parallel.wq_desc.tail;
- i = (i + sizeof(u32)) % WQ_SIZE)
- snapshot->parallel.wq[i / sizeof(u32)] =
- parallel_read(xe, map, wq[i / sizeof(u32)]);
- }
-}
-
-static void
-guc_exec_queue_wq_snapshot_print(struct xe_guc_submit_exec_queue_snapshot *snapshot,
- struct drm_printer *p)
-{
- int i;
-
- drm_printf(p, "\tWQ head: %u (internal), %d (memory)\n",
- snapshot->guc.wqi_head, snapshot->parallel.wq_desc.head);
- drm_printf(p, "\tWQ tail: %u (internal), %d (memory)\n",
- snapshot->guc.wqi_tail, snapshot->parallel.wq_desc.tail);
- drm_printf(p, "\tWQ status: %u\n", snapshot->parallel.wq_desc.status);
-
- if (snapshot->parallel.wq_desc.head !=
- snapshot->parallel.wq_desc.tail) {
- for (i = snapshot->parallel.wq_desc.head;
- i != snapshot->parallel.wq_desc.tail;
- i = (i + sizeof(u32)) % WQ_SIZE)
- drm_printf(p, "\tWQ[%zu]: 0x%08x\n", i / sizeof(u32),
- snapshot->parallel.wq[i / sizeof(u32)]);
- }
-}
-
-/**
- * xe_guc_exec_queue_snapshot_capture - Take a quick snapshot of the GuC Engine.
- * @q: faulty exec queue
- *
- * This can be printed out in a later stage like during dev_coredump
- * analysis.
- *
- * Returns: a GuC Submit Engine snapshot object that must be freed by the
- * caller, using `xe_guc_exec_queue_snapshot_free`.
- */
-struct xe_guc_submit_exec_queue_snapshot *
-xe_guc_exec_queue_snapshot_capture(struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched = &q->guc->sched;
- struct xe_guc_submit_exec_queue_snapshot *snapshot;
- int i;
-
- snapshot = kzalloc(sizeof(*snapshot), GFP_ATOMIC);
-
- if (!snapshot)
- return NULL;
-
- snapshot->guc.id = q->guc->id;
- memcpy(&snapshot->name, &q->name, sizeof(snapshot->name));
- snapshot->class = q->class;
- snapshot->logical_mask = q->logical_mask;
- snapshot->width = q->width;
- snapshot->refcount = kref_read(&q->refcount);
- snapshot->sched_timeout = sched->base.timeout;
- snapshot->sched_props.timeslice_us = q->sched_props.timeslice_us;
- snapshot->sched_props.preempt_timeout_us =
- q->sched_props.preempt_timeout_us;
-
- snapshot->lrc = kmalloc_array(q->width, sizeof(struct xe_lrc_snapshot *),
- GFP_ATOMIC);
-
- if (snapshot->lrc) {
- for (i = 0; i < q->width; ++i) {
- struct xe_lrc *lrc = q->lrc[i];
-
- snapshot->lrc[i] = xe_lrc_snapshot_capture(lrc);
- }
- }
-
- snapshot->schedule_state = atomic_read(&q->guc->state);
- snapshot->exec_queue_flags = q->flags;
-
- snapshot->parallel_execution = xe_exec_queue_is_parallel(q);
- if (snapshot->parallel_execution)
- guc_exec_queue_wq_snapshot_capture(q, snapshot);
-
- spin_lock(&sched->base.job_list_lock);
- snapshot->pending_list_size = list_count_nodes(&sched->base.pending_list);
- snapshot->pending_list = kmalloc_array(snapshot->pending_list_size,
- sizeof(struct pending_list_snapshot),
- GFP_ATOMIC);
-
- if (snapshot->pending_list) {
- struct xe_sched_job *job_iter;
-
- i = 0;
- list_for_each_entry(job_iter, &sched->base.pending_list, drm.list) {
- snapshot->pending_list[i].seqno =
- xe_sched_job_seqno(job_iter);
- snapshot->pending_list[i].fence =
- dma_fence_is_signaled(job_iter->fence) ? 1 : 0;
- snapshot->pending_list[i].finished =
- dma_fence_is_signaled(&job_iter->drm.s_fence->finished)
- ? 1 : 0;
- i++;
- }
- }
-
- spin_unlock(&sched->base.job_list_lock);
-
- return snapshot;
-}
-
-/**
- * xe_guc_exec_queue_snapshot_capture_delayed - Take delayed part of snapshot of the GuC Engine.
- * @snapshot: Previously captured snapshot of job.
- *
- * This captures some data that requires taking some locks, so it cannot be done in signaling path.
- */
-void
-xe_guc_exec_queue_snapshot_capture_delayed(struct xe_guc_submit_exec_queue_snapshot *snapshot)
-{
- int i;
-
- if (!snapshot || !snapshot->lrc)
- return;
-
- for (i = 0; i < snapshot->width; ++i)
- xe_lrc_snapshot_capture_delayed(snapshot->lrc[i]);
-}
-
-/**
- * xe_guc_exec_queue_snapshot_print - Print out a given GuC Engine snapshot.
- * @snapshot: GuC Submit Engine snapshot object.
- * @p: drm_printer where it will be printed out.
- *
- * This function prints out a given GuC Submit Engine snapshot object.
- */
-void
-xe_guc_exec_queue_snapshot_print(struct xe_guc_submit_exec_queue_snapshot *snapshot,
- struct drm_printer *p)
-{
- int i;
-
- if (!snapshot)
- return;
-
- drm_printf(p, "\nGuC ID: %d\n", snapshot->guc.id);
- drm_printf(p, "\tName: %s\n", snapshot->name);
- drm_printf(p, "\tClass: %d\n", snapshot->class);
- drm_printf(p, "\tLogical mask: 0x%x\n", snapshot->logical_mask);
- drm_printf(p, "\tWidth: %d\n", snapshot->width);
- drm_printf(p, "\tRef: %d\n", snapshot->refcount);
- drm_printf(p, "\tTimeout: %ld (ms)\n", snapshot->sched_timeout);
- drm_printf(p, "\tTimeslice: %u (us)\n",
- snapshot->sched_props.timeslice_us);
- drm_printf(p, "\tPreempt timeout: %u (us)\n",
- snapshot->sched_props.preempt_timeout_us);
-
- for (i = 0; snapshot->lrc && i < snapshot->width; ++i)
- xe_lrc_snapshot_print(snapshot->lrc[i], p);
-
- drm_printf(p, "\tSchedule State: 0x%x\n", snapshot->schedule_state);
- drm_printf(p, "\tFlags: 0x%lx\n", snapshot->exec_queue_flags);
-
- if (snapshot->parallel_execution)
- guc_exec_queue_wq_snapshot_print(snapshot, p);
-
- for (i = 0; snapshot->pending_list && i < snapshot->pending_list_size;
- i++)
- drm_printf(p, "\tJob: seqno=%d, fence=%d, finished=%d\n",
- snapshot->pending_list[i].seqno,
- snapshot->pending_list[i].fence,
- snapshot->pending_list[i].finished);
-}
-
-/**
- * xe_guc_exec_queue_snapshot_free - Free all allocated objects for a given
- * snapshot.
- * @snapshot: GuC Submit Engine snapshot object.
- *
- * This function free all the memory that needed to be allocated at capture
- * time.
- */
-void xe_guc_exec_queue_snapshot_free(struct xe_guc_submit_exec_queue_snapshot *snapshot)
-{
- int i;
-
- if (!snapshot)
- return;
-
- if (snapshot->lrc) {
- for (i = 0; i < snapshot->width; i++)
- xe_lrc_snapshot_free(snapshot->lrc[i]);
- kfree(snapshot->lrc);
- }
- kfree(snapshot->pending_list);
- kfree(snapshot);
-}
-
-static void guc_exec_queue_print(struct xe_exec_queue *q, struct drm_printer *p)
-{
- struct xe_guc_submit_exec_queue_snapshot *snapshot;
-
- snapshot = xe_guc_exec_queue_snapshot_capture(q);
- xe_guc_exec_queue_snapshot_print(snapshot, p);
- xe_guc_exec_queue_snapshot_free(snapshot);
-}
-
-/**
- * xe_guc_submit_print - GuC Submit Print.
- * @guc: GuC.
- * @p: drm_printer where it will be printed out.
- *
- * This function capture and prints snapshots of **all** GuC Engines.
- */
-void xe_guc_submit_print(struct xe_guc *guc, struct drm_printer *p)
-{
- struct xe_exec_queue *q;
- unsigned long index;
-
- if (!xe_device_uc_enabled(guc_to_xe(guc)))
- return;
-
- mutex_lock(&guc->submission_state.lock);
- xa_for_each(&guc->submission_state.exec_queue_lookup, index, q)
- guc_exec_queue_print(q, p);
- mutex_unlock(&guc->submission_state.lock);
-}
diff --git a/rr-cache/7bfc6c38772d08d28d6c1be5d76c0a61fd0acf03/preimage b/rr-cache/7bfc6c38772d08d28d6c1be5d76c0a61fd0acf03/preimage
deleted file mode 100644
index ad7cfd3de257..000000000000
--- a/rr-cache/7bfc6c38772d08d28d6c1be5d76c0a61fd0acf03/preimage
+++ /dev/null
@@ -1,2320 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2022 Intel Corporation
- */
-
-#include "xe_guc_submit.h"
-
-#include <linux/bitfield.h>
-#include <linux/bitmap.h>
-#include <linux/circ_buf.h>
-#include <linux/delay.h>
-#include <linux/dma-fence-array.h>
-#include <linux/math64.h>
-
-#include <drm/drm_managed.h>
-
-#include "abi/guc_actions_abi.h"
-#include "abi/guc_klvs_abi.h"
-#include "regs/xe_lrc_layout.h"
-#include "xe_assert.h"
-#include "xe_devcoredump.h"
-#include "xe_device.h"
-#include "xe_exec_queue.h"
-#include "xe_force_wake.h"
-#include "xe_gpu_scheduler.h"
-#include "xe_gt.h"
-#include "xe_gt_clock.h"
-#include "xe_gt_printk.h"
-#include "xe_guc.h"
-#include "xe_guc_ct.h"
-#include "xe_guc_exec_queue_types.h"
-#include "xe_guc_id_mgr.h"
-#include "xe_guc_submit_types.h"
-#include "xe_hw_engine.h"
-#include "xe_hw_fence.h"
-#include "xe_lrc.h"
-#include "xe_macros.h"
-#include "xe_map.h"
-#include "xe_mocs.h"
-#include "xe_pm.h"
-#include "xe_ring_ops_types.h"
-#include "xe_sched_job.h"
-#include "xe_trace.h"
-#include "xe_vm.h"
-
-static struct xe_guc *
-exec_queue_to_guc(struct xe_exec_queue *q)
-{
- return &q->gt->uc.guc;
-}
-
-/*
- * Helpers for engine state, using an atomic as some of the bits can transition
- * as the same time (e.g. a suspend can be happning at the same time as schedule
- * engine done being processed).
- */
-#define EXEC_QUEUE_STATE_REGISTERED (1 << 0)
-#define EXEC_QUEUE_STATE_ENABLED (1 << 1)
-#define EXEC_QUEUE_STATE_PENDING_ENABLE (1 << 2)
-#define EXEC_QUEUE_STATE_PENDING_DISABLE (1 << 3)
-#define EXEC_QUEUE_STATE_DESTROYED (1 << 4)
-#define EXEC_QUEUE_STATE_SUSPENDED (1 << 5)
-#define EXEC_QUEUE_STATE_RESET (1 << 6)
-#define EXEC_QUEUE_STATE_KILLED (1 << 7)
-#define EXEC_QUEUE_STATE_WEDGED (1 << 8)
-#define EXEC_QUEUE_STATE_BANNED (1 << 9)
-#define EXEC_QUEUE_STATE_CHECK_TIMEOUT (1 << 10)
-#define EXEC_QUEUE_STATE_EXTRA_REF (1 << 11)
-
-static bool exec_queue_registered(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_REGISTERED;
-}
-
-static void set_exec_queue_registered(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_REGISTERED, &q->guc->state);
-}
-
-static void clear_exec_queue_registered(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_REGISTERED, &q->guc->state);
-}
-
-static bool exec_queue_enabled(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_ENABLED;
-}
-
-static void set_exec_queue_enabled(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_ENABLED, &q->guc->state);
-}
-
-static void clear_exec_queue_enabled(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_ENABLED, &q->guc->state);
-}
-
-static bool exec_queue_pending_enable(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_PENDING_ENABLE;
-}
-
-static void set_exec_queue_pending_enable(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_PENDING_ENABLE, &q->guc->state);
-}
-
-static void clear_exec_queue_pending_enable(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_PENDING_ENABLE, &q->guc->state);
-}
-
-static bool exec_queue_pending_disable(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_PENDING_DISABLE;
-}
-
-static void set_exec_queue_pending_disable(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_PENDING_DISABLE, &q->guc->state);
-}
-
-static void clear_exec_queue_pending_disable(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_PENDING_DISABLE, &q->guc->state);
-}
-
-static bool exec_queue_destroyed(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_DESTROYED;
-}
-
-static void set_exec_queue_destroyed(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_DESTROYED, &q->guc->state);
-}
-
-static bool exec_queue_banned(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_BANNED;
-}
-
-static void set_exec_queue_banned(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_BANNED, &q->guc->state);
-}
-
-static bool exec_queue_suspended(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_SUSPENDED;
-}
-
-static void set_exec_queue_suspended(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_SUSPENDED, &q->guc->state);
-}
-
-static void clear_exec_queue_suspended(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_SUSPENDED, &q->guc->state);
-}
-
-static bool exec_queue_reset(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_RESET;
-}
-
-static void set_exec_queue_reset(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_RESET, &q->guc->state);
-}
-
-static bool exec_queue_killed(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_KILLED;
-}
-
-static void set_exec_queue_killed(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_KILLED, &q->guc->state);
-}
-
-static bool exec_queue_wedged(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_WEDGED;
-}
-
-static void set_exec_queue_wedged(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_WEDGED, &q->guc->state);
-}
-
-static bool exec_queue_check_timeout(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_CHECK_TIMEOUT;
-}
-
-static void set_exec_queue_check_timeout(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_CHECK_TIMEOUT, &q->guc->state);
-}
-
-static void clear_exec_queue_check_timeout(struct xe_exec_queue *q)
-{
- atomic_and(~EXEC_QUEUE_STATE_CHECK_TIMEOUT, &q->guc->state);
-}
-
-static bool exec_queue_extra_ref(struct xe_exec_queue *q)
-{
- return atomic_read(&q->guc->state) & EXEC_QUEUE_STATE_EXTRA_REF;
-}
-
-static void set_exec_queue_extra_ref(struct xe_exec_queue *q)
-{
- atomic_or(EXEC_QUEUE_STATE_EXTRA_REF, &q->guc->state);
-}
-
-static bool exec_queue_killed_or_banned_or_wedged(struct xe_exec_queue *q)
-{
- return (atomic_read(&q->guc->state) &
- (EXEC_QUEUE_STATE_WEDGED | EXEC_QUEUE_STATE_KILLED |
- EXEC_QUEUE_STATE_BANNED));
-}
-
-<<<<<<<
-=======
-#ifdef CONFIG_PROVE_LOCKING
-static int alloc_submit_wq(struct xe_guc *guc)
-{
- int i;
-
- for (i = 0; i < NUM_SUBMIT_WQ; ++i) {
- guc->submission_state.submit_wq_pool[i] =
- alloc_ordered_workqueue("submit_wq", 0);
- if (!guc->submission_state.submit_wq_pool[i])
- goto err_free;
- }
-
- return 0;
-
-err_free:
- while (i)
- destroy_workqueue(guc->submission_state.submit_wq_pool[--i]);
-
- return -ENOMEM;
-}
-
-static void free_submit_wq(struct xe_guc *guc)
-{
- int i;
-
- for (i = 0; i < NUM_SUBMIT_WQ; ++i)
- destroy_workqueue(guc->submission_state.submit_wq_pool[i]);
-}
-
-static struct workqueue_struct *get_submit_wq(struct xe_guc *guc)
-{
- int idx = guc->submission_state.submit_wq_idx++ % NUM_SUBMIT_WQ;
-
- return guc->submission_state.submit_wq_pool[idx];
-}
-#else
-static int alloc_submit_wq(struct xe_guc *guc)
-{
- return 0;
-}
-
-static void free_submit_wq(struct xe_guc *guc)
-{
-
-}
-
-static struct workqueue_struct *get_submit_wq(struct xe_guc *guc)
-{
- return NULL;
-}
-#endif
-
-static void xe_guc_submit_fini(struct xe_guc *guc)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_gt *gt = guc_to_gt(guc);
- int ret;
-
- ret = wait_event_timeout(guc->submission_state.fini_wq,
- xa_empty(&guc->submission_state.exec_queue_lookup),
- HZ * 5);
-
- drain_workqueue(xe->destroy_wq);
-
- xe_gt_assert(gt, ret);
-}
-
->>>>>>>
-static void guc_submit_fini(struct drm_device *drm, void *arg)
-{
- struct xe_guc *guc = arg;
-
- xe_guc_submit_fini(guc);
- xa_destroy(&guc->submission_state.exec_queue_lookup);
-}
-
-static void guc_submit_wedged_fini(void *arg)
-{
- struct xe_guc *guc = arg;
- struct xe_exec_queue *q;
- unsigned long index;
-
- mutex_lock(&guc->submission_state.lock);
- xa_for_each(&guc->submission_state.exec_queue_lookup, index, q) {
- if (exec_queue_wedged(q)) {
- mutex_unlock(&guc->submission_state.lock);
- xe_exec_queue_put(q);
- mutex_lock(&guc->submission_state.lock);
- }
- }
- mutex_unlock(&guc->submission_state.lock);
-}
-
-static const struct xe_exec_queue_ops guc_exec_queue_ops;
-
-static void primelockdep(struct xe_guc *guc)
-{
- if (!IS_ENABLED(CONFIG_LOCKDEP))
- return;
-
- fs_reclaim_acquire(GFP_KERNEL);
-
- mutex_lock(&guc->submission_state.lock);
- mutex_unlock(&guc->submission_state.lock);
-
- fs_reclaim_release(GFP_KERNEL);
-}
-
-/**
- * xe_guc_submit_init() - Initialize GuC submission.
- * @guc: the &xe_guc to initialize
- * @num_ids: number of GuC context IDs to use
- *
- * The bare-metal or PF driver can pass ~0 as &num_ids to indicate that all
- * GuC context IDs supported by the GuC firmware should be used for submission.
- *
- * Only VF drivers will have to provide explicit number of GuC context IDs
- * that they can use for submission.
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int xe_guc_submit_init(struct xe_guc *guc, unsigned int num_ids)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_gt *gt = guc_to_gt(guc);
- int err;
-
- err = drmm_mutex_init(&xe->drm, &guc->submission_state.lock);
- if (err)
- return err;
-
- err = xe_guc_id_mgr_init(&guc->submission_state.idm, num_ids);
- if (err)
- return err;
-
- gt->exec_queue_ops = &guc_exec_queue_ops;
-
- xa_init(&guc->submission_state.exec_queue_lookup);
-
- init_waitqueue_head(&guc->submission_state.fini_wq);
-
- primelockdep(guc);
-
- return drmm_add_action_or_reset(&xe->drm, guc_submit_fini, guc);
-}
-
-static void __release_guc_id(struct xe_guc *guc, struct xe_exec_queue *q, u32 xa_count)
-{
- int i;
-
- lockdep_assert_held(&guc->submission_state.lock);
-
- for (i = 0; i < xa_count; ++i)
- xa_erase(&guc->submission_state.exec_queue_lookup, q->guc->id + i);
-
- xe_guc_id_mgr_release_locked(&guc->submission_state.idm,
- q->guc->id, q->width);
-
- if (xa_empty(&guc->submission_state.exec_queue_lookup))
- wake_up(&guc->submission_state.fini_wq);
-}
-
-static int alloc_guc_id(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- int ret;
- void *ptr;
- int i;
-
- /*
- * Must use GFP_NOWAIT as this lock is in the dma fence signalling path,
- * worse case user gets -ENOMEM on engine create and has to try again.
- *
- * FIXME: Have caller pre-alloc or post-alloc /w GFP_KERNEL to prevent
- * failure.
- */
- lockdep_assert_held(&guc->submission_state.lock);
-
- ret = xe_guc_id_mgr_reserve_locked(&guc->submission_state.idm,
- q->width);
- if (ret < 0)
- return ret;
-
- q->guc->id = ret;
-
- for (i = 0; i < q->width; ++i) {
- ptr = xa_store(&guc->submission_state.exec_queue_lookup,
- q->guc->id + i, q, GFP_NOWAIT);
- if (IS_ERR(ptr)) {
- ret = PTR_ERR(ptr);
- goto err_release;
- }
- }
-
- return 0;
-
-err_release:
- __release_guc_id(guc, q, i);
-
- return ret;
-}
-
-static void release_guc_id(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- mutex_lock(&guc->submission_state.lock);
- __release_guc_id(guc, q, q->width);
- mutex_unlock(&guc->submission_state.lock);
-}
-
-struct exec_queue_policy {
- u32 count;
- struct guc_update_exec_queue_policy h2g;
-};
-
-static u32 __guc_exec_queue_policy_action_size(struct exec_queue_policy *policy)
-{
- size_t bytes = sizeof(policy->h2g.header) +
- (sizeof(policy->h2g.klv[0]) * policy->count);
-
- return bytes / sizeof(u32);
-}
-
-static void __guc_exec_queue_policy_start_klv(struct exec_queue_policy *policy,
- u16 guc_id)
-{
- policy->h2g.header.action =
- XE_GUC_ACTION_HOST2GUC_UPDATE_CONTEXT_POLICIES;
- policy->h2g.header.guc_id = guc_id;
- policy->count = 0;
-}
-
-#define MAKE_EXEC_QUEUE_POLICY_ADD(func, id) \
-static void __guc_exec_queue_policy_add_##func(struct exec_queue_policy *policy, \
- u32 data) \
-{ \
- XE_WARN_ON(policy->count >= GUC_CONTEXT_POLICIES_KLV_NUM_IDS); \
-\
- policy->h2g.klv[policy->count].kl = \
- FIELD_PREP(GUC_KLV_0_KEY, \
- GUC_CONTEXT_POLICIES_KLV_ID_##id) | \
- FIELD_PREP(GUC_KLV_0_LEN, 1); \
- policy->h2g.klv[policy->count].value = data; \
- policy->count++; \
-}
-
-MAKE_EXEC_QUEUE_POLICY_ADD(execution_quantum, EXECUTION_QUANTUM)
-MAKE_EXEC_QUEUE_POLICY_ADD(preemption_timeout, PREEMPTION_TIMEOUT)
-MAKE_EXEC_QUEUE_POLICY_ADD(priority, SCHEDULING_PRIORITY)
-#undef MAKE_EXEC_QUEUE_POLICY_ADD
-
-static const int xe_exec_queue_prio_to_guc[] = {
- [XE_EXEC_QUEUE_PRIORITY_LOW] = GUC_CLIENT_PRIORITY_NORMAL,
- [XE_EXEC_QUEUE_PRIORITY_NORMAL] = GUC_CLIENT_PRIORITY_KMD_NORMAL,
- [XE_EXEC_QUEUE_PRIORITY_HIGH] = GUC_CLIENT_PRIORITY_HIGH,
- [XE_EXEC_QUEUE_PRIORITY_KERNEL] = GUC_CLIENT_PRIORITY_KMD_HIGH,
-};
-
-static void init_policies(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- struct exec_queue_policy policy;
- struct xe_device *xe = guc_to_xe(guc);
- enum xe_exec_queue_priority prio = q->sched_props.priority;
- u32 timeslice_us = q->sched_props.timeslice_us;
- u32 preempt_timeout_us = q->sched_props.preempt_timeout_us;
-
- xe_assert(xe, exec_queue_registered(q));
-
- __guc_exec_queue_policy_start_klv(&policy, q->guc->id);
- __guc_exec_queue_policy_add_priority(&policy, xe_exec_queue_prio_to_guc[prio]);
- __guc_exec_queue_policy_add_execution_quantum(&policy, timeslice_us);
- __guc_exec_queue_policy_add_preemption_timeout(&policy, preempt_timeout_us);
-
- xe_guc_ct_send(&guc->ct, (u32 *)&policy.h2g,
- __guc_exec_queue_policy_action_size(&policy), 0, 0);
-}
-
-static void set_min_preemption_timeout(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- struct exec_queue_policy policy;
-
- __guc_exec_queue_policy_start_klv(&policy, q->guc->id);
- __guc_exec_queue_policy_add_preemption_timeout(&policy, 1);
-
- xe_guc_ct_send(&guc->ct, (u32 *)&policy.h2g,
- __guc_exec_queue_policy_action_size(&policy), 0, 0);
-}
-
-#define parallel_read(xe_, map_, field_) \
- xe_map_rd_field(xe_, &map_, 0, struct guc_submit_parallel_scratch, \
- field_)
-#define parallel_write(xe_, map_, field_, val_) \
- xe_map_wr_field(xe_, &map_, 0, struct guc_submit_parallel_scratch, \
- field_, val_)
-
-static void __register_mlrc_exec_queue(struct xe_guc *guc,
- struct xe_exec_queue *q,
- struct guc_ctxt_registration_info *info)
-{
-#define MAX_MLRC_REG_SIZE (13 + XE_HW_ENGINE_MAX_INSTANCE * 2)
- struct xe_device *xe = guc_to_xe(guc);
- u32 action[MAX_MLRC_REG_SIZE];
- int len = 0;
- int i;
-
- xe_assert(xe, xe_exec_queue_is_parallel(q));
-
- action[len++] = XE_GUC_ACTION_REGISTER_CONTEXT_MULTI_LRC;
- action[len++] = info->flags;
- action[len++] = info->context_idx;
- action[len++] = info->engine_class;
- action[len++] = info->engine_submit_mask;
- action[len++] = info->wq_desc_lo;
- action[len++] = info->wq_desc_hi;
- action[len++] = info->wq_base_lo;
- action[len++] = info->wq_base_hi;
- action[len++] = info->wq_size;
- action[len++] = q->width;
- action[len++] = info->hwlrca_lo;
- action[len++] = info->hwlrca_hi;
-
- for (i = 1; i < q->width; ++i) {
- struct xe_lrc *lrc = q->lrc[i];
-
- action[len++] = lower_32_bits(xe_lrc_descriptor(lrc));
- action[len++] = upper_32_bits(xe_lrc_descriptor(lrc));
- }
-
- xe_assert(xe, len <= MAX_MLRC_REG_SIZE);
-#undef MAX_MLRC_REG_SIZE
-
- xe_guc_ct_send(&guc->ct, action, len, 0, 0);
-}
-
-static void __register_exec_queue(struct xe_guc *guc,
- struct guc_ctxt_registration_info *info)
-{
- u32 action[] = {
- XE_GUC_ACTION_REGISTER_CONTEXT,
- info->flags,
- info->context_idx,
- info->engine_class,
- info->engine_submit_mask,
- info->wq_desc_lo,
- info->wq_desc_hi,
- info->wq_base_lo,
- info->wq_base_hi,
- info->wq_size,
- info->hwlrca_lo,
- info->hwlrca_hi,
- };
-
- xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action), 0, 0);
-}
-
-static void register_exec_queue(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_lrc *lrc = q->lrc[0];
- struct guc_ctxt_registration_info info;
-
- xe_assert(xe, !exec_queue_registered(q));
-
- memset(&info, 0, sizeof(info));
- info.context_idx = q->guc->id;
- info.engine_class = xe_engine_class_to_guc_class(q->class);
- info.engine_submit_mask = q->logical_mask;
- info.hwlrca_lo = lower_32_bits(xe_lrc_descriptor(lrc));
- info.hwlrca_hi = upper_32_bits(xe_lrc_descriptor(lrc));
- info.flags = CONTEXT_REGISTRATION_FLAG_KMD;
-
- if (xe_exec_queue_is_parallel(q)) {
- u64 ggtt_addr = xe_lrc_parallel_ggtt_addr(lrc);
- struct iosys_map map = xe_lrc_parallel_map(lrc);
-
- info.wq_desc_lo = lower_32_bits(ggtt_addr +
- offsetof(struct guc_submit_parallel_scratch, wq_desc));
- info.wq_desc_hi = upper_32_bits(ggtt_addr +
- offsetof(struct guc_submit_parallel_scratch, wq_desc));
- info.wq_base_lo = lower_32_bits(ggtt_addr +
- offsetof(struct guc_submit_parallel_scratch, wq[0]));
- info.wq_base_hi = upper_32_bits(ggtt_addr +
- offsetof(struct guc_submit_parallel_scratch, wq[0]));
- info.wq_size = WQ_SIZE;
-
- q->guc->wqi_head = 0;
- q->guc->wqi_tail = 0;
- xe_map_memset(xe, &map, 0, 0, PARALLEL_SCRATCH_SIZE - WQ_SIZE);
- parallel_write(xe, map, wq_desc.wq_status, WQ_STATUS_ACTIVE);
- }
-
- /*
- * We must keep a reference for LR engines if engine is registered with
- * the GuC as jobs signal immediately and can't destroy an engine if the
- * GuC has a reference to it.
- */
- if (xe_exec_queue_is_lr(q))
- xe_exec_queue_get(q);
-
- set_exec_queue_registered(q);
- trace_xe_exec_queue_register(q);
- if (xe_exec_queue_is_parallel(q))
- __register_mlrc_exec_queue(guc, q, &info);
- else
- __register_exec_queue(guc, &info);
- init_policies(guc, q);
-}
-
-static u32 wq_space_until_wrap(struct xe_exec_queue *q)
-{
- return (WQ_SIZE - q->guc->wqi_tail);
-}
-
-static int wq_wait_for_space(struct xe_exec_queue *q, u32 wqi_size)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct iosys_map map = xe_lrc_parallel_map(q->lrc[0]);
- unsigned int sleep_period_ms = 1;
-
-#define AVAILABLE_SPACE \
- CIRC_SPACE(q->guc->wqi_tail, q->guc->wqi_head, WQ_SIZE)
- if (wqi_size > AVAILABLE_SPACE) {
-try_again:
- q->guc->wqi_head = parallel_read(xe, map, wq_desc.head);
- if (wqi_size > AVAILABLE_SPACE) {
- if (sleep_period_ms == 1024) {
- xe_gt_reset_async(q->gt);
- return -ENODEV;
- }
-
- msleep(sleep_period_ms);
- sleep_period_ms <<= 1;
- goto try_again;
- }
- }
-#undef AVAILABLE_SPACE
-
- return 0;
-}
-
-static int wq_noop_append(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct iosys_map map = xe_lrc_parallel_map(q->lrc[0]);
- u32 len_dw = wq_space_until_wrap(q) / sizeof(u32) - 1;
-
- if (wq_wait_for_space(q, wq_space_until_wrap(q)))
- return -ENODEV;
-
- xe_assert(xe, FIELD_FIT(WQ_LEN_MASK, len_dw));
-
- parallel_write(xe, map, wq[q->guc->wqi_tail / sizeof(u32)],
- FIELD_PREP(WQ_TYPE_MASK, WQ_TYPE_NOOP) |
- FIELD_PREP(WQ_LEN_MASK, len_dw));
- q->guc->wqi_tail = 0;
-
- return 0;
-}
-
-static void wq_item_append(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct iosys_map map = xe_lrc_parallel_map(q->lrc[0]);
-#define WQ_HEADER_SIZE 4 /* Includes 1 LRC address too */
- u32 wqi[XE_HW_ENGINE_MAX_INSTANCE + (WQ_HEADER_SIZE - 1)];
- u32 wqi_size = (q->width + (WQ_HEADER_SIZE - 1)) * sizeof(u32);
- u32 len_dw = (wqi_size / sizeof(u32)) - 1;
- int i = 0, j;
-
- if (wqi_size > wq_space_until_wrap(q)) {
- if (wq_noop_append(q))
- return;
- }
- if (wq_wait_for_space(q, wqi_size))
- return;
-
- wqi[i++] = FIELD_PREP(WQ_TYPE_MASK, WQ_TYPE_MULTI_LRC) |
- FIELD_PREP(WQ_LEN_MASK, len_dw);
- wqi[i++] = xe_lrc_descriptor(q->lrc[0]);
- wqi[i++] = FIELD_PREP(WQ_GUC_ID_MASK, q->guc->id) |
- FIELD_PREP(WQ_RING_TAIL_MASK, q->lrc[0]->ring.tail / sizeof(u64));
- wqi[i++] = 0;
- for (j = 1; j < q->width; ++j) {
- struct xe_lrc *lrc = q->lrc[j];
-
- wqi[i++] = lrc->ring.tail / sizeof(u64);
- }
-
- xe_assert(xe, i == wqi_size / sizeof(u32));
-
- iosys_map_incr(&map, offsetof(struct guc_submit_parallel_scratch,
- wq[q->guc->wqi_tail / sizeof(u32)]));
- xe_map_memcpy_to(xe, &map, 0, wqi, wqi_size);
- q->guc->wqi_tail += wqi_size;
- xe_assert(xe, q->guc->wqi_tail <= WQ_SIZE);
-
- xe_device_wmb(xe);
-
- map = xe_lrc_parallel_map(q->lrc[0]);
- parallel_write(xe, map, wq_desc.tail, q->guc->wqi_tail);
-}
-
-#define RESUME_PENDING ~0x0ull
-static void submit_exec_queue(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_lrc *lrc = q->lrc[0];
- u32 action[3];
- u32 g2h_len = 0;
- u32 num_g2h = 0;
- int len = 0;
- bool extra_submit = false;
-
- xe_assert(xe, exec_queue_registered(q));
-
- if (xe_exec_queue_is_parallel(q))
- wq_item_append(q);
- else
- xe_lrc_set_ring_tail(lrc, lrc->ring.tail);
-
- if (exec_queue_suspended(q) && !xe_exec_queue_is_parallel(q))
- return;
-
- if (!exec_queue_enabled(q) && !exec_queue_suspended(q)) {
- action[len++] = XE_GUC_ACTION_SCHED_CONTEXT_MODE_SET;
- action[len++] = q->guc->id;
- action[len++] = GUC_CONTEXT_ENABLE;
- g2h_len = G2H_LEN_DW_SCHED_CONTEXT_MODE_SET;
- num_g2h = 1;
- if (xe_exec_queue_is_parallel(q))
- extra_submit = true;
-
- q->guc->resume_time = RESUME_PENDING;
- set_exec_queue_pending_enable(q);
- set_exec_queue_enabled(q);
- trace_xe_exec_queue_scheduling_enable(q);
- } else {
- action[len++] = XE_GUC_ACTION_SCHED_CONTEXT;
- action[len++] = q->guc->id;
- trace_xe_exec_queue_submit(q);
- }
-
- xe_guc_ct_send(&guc->ct, action, len, g2h_len, num_g2h);
-
- if (extra_submit) {
- len = 0;
- action[len++] = XE_GUC_ACTION_SCHED_CONTEXT;
- action[len++] = q->guc->id;
- trace_xe_exec_queue_submit(q);
-
- xe_guc_ct_send(&guc->ct, action, len, 0, 0);
- }
-}
-
-static struct dma_fence *
-guc_exec_queue_run_job(struct drm_sched_job *drm_job)
-{
- struct xe_sched_job *job = to_xe_sched_job(drm_job);
- struct xe_exec_queue *q = job->q;
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- bool lr = xe_exec_queue_is_lr(q);
-
- xe_assert(xe, !(exec_queue_destroyed(q) || exec_queue_pending_disable(q)) ||
- exec_queue_banned(q) || exec_queue_suspended(q));
-
- trace_xe_sched_job_run(job);
-
- if (!exec_queue_killed_or_banned_or_wedged(q) && !xe_sched_job_is_error(job)) {
- if (!exec_queue_registered(q))
- register_exec_queue(q);
- if (!lr) /* LR jobs are emitted in the exec IOCTL */
- q->ring_ops->emit_job(job);
- submit_exec_queue(q);
- }
-
- if (lr) {
- xe_sched_job_set_error(job, -EOPNOTSUPP);
- return NULL;
- } else if (test_and_set_bit(JOB_FLAG_SUBMIT, &job->fence->flags)) {
- return job->fence;
- } else {
- return dma_fence_get(job->fence);
- }
-}
-
-static void guc_exec_queue_free_job(struct drm_sched_job *drm_job)
-{
- struct xe_sched_job *job = to_xe_sched_job(drm_job);
-
- xe_exec_queue_update_run_ticks(job->q);
-
- trace_xe_sched_job_free(job);
- xe_sched_job_put(job);
-}
-
-static int guc_read_stopped(struct xe_guc *guc)
-{
- return atomic_read(&guc->submission_state.stopped);
-}
-
-#define MAKE_SCHED_CONTEXT_ACTION(q, enable_disable) \
- u32 action[] = { \
- XE_GUC_ACTION_SCHED_CONTEXT_MODE_SET, \
- q->guc->id, \
- GUC_CONTEXT_##enable_disable, \
- }
-
-static void disable_scheduling_deregister(struct xe_guc *guc,
- struct xe_exec_queue *q)
-{
- MAKE_SCHED_CONTEXT_ACTION(q, DISABLE);
- struct xe_device *xe = guc_to_xe(guc);
- int ret;
-
- set_min_preemption_timeout(guc, q);
- smp_rmb();
- ret = wait_event_timeout(guc->ct.wq, !exec_queue_pending_enable(q) ||
- guc_read_stopped(guc), HZ * 5);
- if (!ret) {
- struct xe_gpu_scheduler *sched = &q->guc->sched;
-
- drm_warn(&xe->drm, "Pending enable failed to respond");
- xe_sched_submission_start(sched);
- xe_gt_reset_async(q->gt);
- xe_sched_tdr_queue_imm(sched);
- return;
- }
-
- clear_exec_queue_enabled(q);
- set_exec_queue_pending_disable(q);
- set_exec_queue_destroyed(q);
- trace_xe_exec_queue_scheduling_disable(q);
-
- /*
- * Reserve space for both G2H here as the 2nd G2H is sent from a G2H
- * handler and we are not allowed to reserved G2H space in handlers.
- */
- xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action),
- G2H_LEN_DW_SCHED_CONTEXT_MODE_SET +
- G2H_LEN_DW_DEREGISTER_CONTEXT, 2);
-}
-
-static void xe_guc_exec_queue_trigger_cleanup(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
-
- /** to wakeup xe_wait_user_fence ioctl if exec queue is reset */
- wake_up_all(&xe->ufence_wq);
-
- if (xe_exec_queue_is_lr(q))
- queue_work(guc_to_gt(guc)->ordered_wq, &q->guc->lr_tdr);
- else
- xe_sched_tdr_queue_imm(&q->guc->sched);
-}
-
-/**
- * xe_guc_submit_wedge() - Wedge GuC submission
- * @guc: the GuC object
- *
- * Save exec queue's registered with GuC state by taking a ref to each queue.
- * Register a DRMM handler to drop refs upon driver unload.
- */
-void xe_guc_submit_wedge(struct xe_guc *guc)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
- unsigned long index;
- int err;
-
- xe_gt_assert(guc_to_gt(guc), guc_to_xe(guc)->wedged.mode);
-
- err = devm_add_action_or_reset(guc_to_xe(guc)->drm.dev,
- guc_submit_wedged_fini, guc);
- if (err) {
- drm_err(&xe->drm, "Failed to register xe_guc_submit clean-up on wedged.mode=2. Although device is wedged.\n");
- return;
- }
-
- mutex_lock(&guc->submission_state.lock);
- xa_for_each(&guc->submission_state.exec_queue_lookup, index, q)
- if (xe_exec_queue_get_unless_zero(q))
- set_exec_queue_wedged(q);
- mutex_unlock(&guc->submission_state.lock);
-}
-
-static bool guc_submit_hint_wedged(struct xe_guc *guc)
-{
- struct xe_device *xe = guc_to_xe(guc);
-
- if (xe->wedged.mode != 2)
- return false;
-
- if (xe_device_wedged(xe))
- return true;
-
- xe_device_declare_wedged(xe);
-
- return true;
-}
-
-static void xe_guc_exec_queue_lr_cleanup(struct work_struct *w)
-{
- struct xe_guc_exec_queue *ge =
- container_of(w, struct xe_guc_exec_queue, lr_tdr);
- struct xe_exec_queue *q = ge->q;
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_gpu_scheduler *sched = &ge->sched;
- bool wedged;
-
- xe_assert(xe, xe_exec_queue_is_lr(q));
- trace_xe_exec_queue_lr_cleanup(q);
-
- wedged = guc_submit_hint_wedged(exec_queue_to_guc(q));
-
- /* Kill the run_job / process_msg entry points */
- xe_sched_submission_stop(sched);
-
- /*
- * Engine state now mostly stable, disable scheduling / deregister if
- * needed. This cleanup routine might be called multiple times, where
- * the actual async engine deregister drops the final engine ref.
- * Calling disable_scheduling_deregister will mark the engine as
- * destroyed and fire off the CT requests to disable scheduling /
- * deregister, which we only want to do once. We also don't want to mark
- * the engine as pending_disable again as this may race with the
- * xe_guc_deregister_done_handler() which treats it as an unexpected
- * state.
- */
- if (!wedged && exec_queue_registered(q) && !exec_queue_destroyed(q)) {
- struct xe_guc *guc = exec_queue_to_guc(q);
- int ret;
-
- set_exec_queue_banned(q);
- disable_scheduling_deregister(guc, q);
-
- /*
- * Must wait for scheduling to be disabled before signalling
- * any fences, if GT broken the GT reset code should signal us.
- */
- ret = wait_event_timeout(guc->ct.wq,
- !exec_queue_pending_disable(q) ||
- guc_read_stopped(guc), HZ * 5);
- if (!ret) {
- drm_warn(&xe->drm, "Schedule disable failed to respond");
- xe_sched_submission_start(sched);
- xe_gt_reset_async(q->gt);
- return;
- }
- }
-
- xe_sched_submission_start(sched);
-}
-
-#define ADJUST_FIVE_PERCENT(__t) mul_u64_u32_div(__t, 105, 100)
-
-static bool check_timeout(struct xe_exec_queue *q, struct xe_sched_job *job)
-{
- struct xe_gt *gt = guc_to_gt(exec_queue_to_guc(q));
- u32 ctx_timestamp = xe_lrc_ctx_timestamp(q->lrc[0]);
- u32 ctx_job_timestamp = xe_lrc_ctx_job_timestamp(q->lrc[0]);
- u32 timeout_ms = q->sched_props.job_timeout_ms;
- u32 diff;
- u64 running_time_ms;
-
- /*
- * Counter wraps at ~223s at the usual 19.2MHz, be paranoid catch
- * possible overflows with a high timeout.
- */
- xe_gt_assert(gt, timeout_ms < 100 * MSEC_PER_SEC);
-
- if (ctx_timestamp < ctx_job_timestamp)
- diff = ctx_timestamp + U32_MAX - ctx_job_timestamp;
- else
- diff = ctx_timestamp - ctx_job_timestamp;
-
- /*
- * Ensure timeout is within 5% to account for an GuC scheduling latency
- */
- running_time_ms =
- ADJUST_FIVE_PERCENT(xe_gt_clock_interval_to_ms(gt, diff));
-
- xe_gt_dbg(gt,
- "Check job timeout: seqno=%u, lrc_seqno=%u, guc_id=%d, running_time_ms=%llu, timeout_ms=%u, diff=0x%08x",
- xe_sched_job_seqno(job), xe_sched_job_lrc_seqno(job),
- q->guc->id, running_time_ms, timeout_ms, diff);
-
- return running_time_ms >= timeout_ms;
-}
-
-static void enable_scheduling(struct xe_exec_queue *q)
-{
- MAKE_SCHED_CONTEXT_ACTION(q, ENABLE);
- struct xe_guc *guc = exec_queue_to_guc(q);
- int ret;
-
- xe_gt_assert(guc_to_gt(guc), !exec_queue_destroyed(q));
- xe_gt_assert(guc_to_gt(guc), exec_queue_registered(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_disable(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_enable(q));
-
- set_exec_queue_pending_enable(q);
- set_exec_queue_enabled(q);
- trace_xe_exec_queue_scheduling_enable(q);
-
- xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action),
- G2H_LEN_DW_SCHED_CONTEXT_MODE_SET, 1);
-
- ret = wait_event_timeout(guc->ct.wq,
- !exec_queue_pending_enable(q) ||
- guc_read_stopped(guc), HZ * 5);
- if (!ret || guc_read_stopped(guc)) {
- xe_gt_warn(guc_to_gt(guc), "Schedule enable failed to respond");
- set_exec_queue_banned(q);
- xe_gt_reset_async(q->gt);
- xe_sched_tdr_queue_imm(&q->guc->sched);
- }
-}
-
-static void disable_scheduling(struct xe_exec_queue *q, bool immediate)
-{
- MAKE_SCHED_CONTEXT_ACTION(q, DISABLE);
- struct xe_guc *guc = exec_queue_to_guc(q);
-
- xe_gt_assert(guc_to_gt(guc), !exec_queue_destroyed(q));
- xe_gt_assert(guc_to_gt(guc), exec_queue_registered(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_disable(q));
-
- if (immediate)
- set_min_preemption_timeout(guc, q);
- clear_exec_queue_enabled(q);
- set_exec_queue_pending_disable(q);
- trace_xe_exec_queue_scheduling_disable(q);
-
- xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action),
- G2H_LEN_DW_SCHED_CONTEXT_MODE_SET, 1);
-}
-
-static void __deregister_exec_queue(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- u32 action[] = {
- XE_GUC_ACTION_DEREGISTER_CONTEXT,
- q->guc->id,
- };
-
- xe_gt_assert(guc_to_gt(guc), !exec_queue_destroyed(q));
- xe_gt_assert(guc_to_gt(guc), exec_queue_registered(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_enable(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_disable(q));
-
- set_exec_queue_destroyed(q);
- trace_xe_exec_queue_deregister(q);
-
- xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action),
- G2H_LEN_DW_DEREGISTER_CONTEXT, 1);
-}
-
-static enum drm_gpu_sched_stat
-guc_exec_queue_timedout_job(struct drm_sched_job *drm_job)
-{
- struct xe_sched_job *job = to_xe_sched_job(drm_job);
- struct xe_sched_job *tmp_job;
- struct xe_exec_queue *q = job->q;
- struct xe_gpu_scheduler *sched = &q->guc->sched;
- struct xe_guc *guc = exec_queue_to_guc(q);
- const char *process_name = "no process";
- int err = -ETIME;
- pid_t pid = -1;
- int i = 0;
- bool wedged, skip_timeout_check;
-
- /*
- * TDR has fired before free job worker. Common if exec queue
- * immediately closed after last fence signaled.
- */
- if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &job->fence->flags)) {
- guc_exec_queue_free_job(drm_job);
-
- return DRM_GPU_SCHED_STAT_NOMINAL;
- }
-
- /* Kill the run_job entry point */
- xe_sched_submission_stop(sched);
-
- /* Must check all state after stopping scheduler */
- skip_timeout_check = exec_queue_reset(q) ||
- exec_queue_killed_or_banned_or_wedged(q) ||
- exec_queue_destroyed(q);
-
- /* Job hasn't started, can't be timed out */
- if (!skip_timeout_check && !xe_sched_job_started(job))
- goto rearm;
-
- /*
- * XXX: Sampling timeout doesn't work in wedged mode as we have to
- * modify scheduling state to read timestamp. We could read the
- * timestamp from a register to accumulate current running time but this
- * doesn't work for SRIOV. For now assuming timeouts in wedged mode are
- * genuine timeouts.
- */
- wedged = guc_submit_hint_wedged(exec_queue_to_guc(q));
-
- /* Engine state now stable, disable scheduling to check timestamp */
- if (!wedged && exec_queue_registered(q)) {
- int ret;
-
- if (exec_queue_reset(q))
- err = -EIO;
-
- if (!exec_queue_destroyed(q)) {
- /*
- * Wait for any pending G2H to flush out before
- * modifying state
- */
- ret = wait_event_timeout(guc->ct.wq,
- !exec_queue_pending_enable(q) ||
- guc_read_stopped(guc), HZ * 5);
- if (!ret || guc_read_stopped(guc))
- goto trigger_reset;
-
- /*
- * Flag communicates to G2H handler that schedule
- * disable originated from a timeout check. The G2H then
- * avoid triggering cleanup or deregistering the exec
- * queue.
- */
- set_exec_queue_check_timeout(q);
- disable_scheduling(q, skip_timeout_check);
- }
-
- /*
- * Must wait for scheduling to be disabled before signalling
- * any fences, if GT broken the GT reset code should signal us.
- *
- * FIXME: Tests can generate a ton of 0x6000 (IOMMU CAT fault
- * error) messages which can cause the schedule disable to get
- * lost. If this occurs, trigger a GT reset to recover.
- */
- smp_rmb();
- ret = wait_event_timeout(guc->ct.wq,
- !exec_queue_pending_disable(q) ||
- guc_read_stopped(guc), HZ * 5);
- if (!ret || guc_read_stopped(guc)) {
-trigger_reset:
- if (!ret)
- xe_gt_warn(guc_to_gt(guc), "Schedule disable failed to respond");
- set_exec_queue_extra_ref(q);
- xe_exec_queue_get(q); /* GT reset owns this */
- set_exec_queue_banned(q);
- xe_gt_reset_async(q->gt);
- xe_sched_tdr_queue_imm(sched);
- goto rearm;
- }
- }
-
- /*
- * Check if job is actually timed out, if so restart job execution and TDR
- */
- if (!wedged && !skip_timeout_check && !check_timeout(q, job) &&
- !exec_queue_reset(q) && exec_queue_registered(q)) {
- clear_exec_queue_check_timeout(q);
- goto sched_enable;
- }
-
- if (q->vm && q->vm->xef) {
- process_name = q->vm->xef->process_name;
- pid = q->vm->xef->pid;
- }
- xe_gt_notice(guc_to_gt(guc), "Timedout job: seqno=%u, lrc_seqno=%u, guc_id=%d, flags=0x%lx in %s [%d]",
- xe_sched_job_seqno(job), xe_sched_job_lrc_seqno(job),
- q->guc->id, q->flags, process_name, pid);
-
- trace_xe_sched_job_timedout(job);
-
- if (!exec_queue_killed(q))
- xe_devcoredump(job);
-
- /*
- * Kernel jobs should never fail, nor should VM jobs if they do
- * somethings has gone wrong and the GT needs a reset
- */
- xe_gt_WARN(q->gt, q->flags & EXEC_QUEUE_FLAG_KERNEL,
- "Kernel-submitted job timed out\n");
- xe_gt_WARN(q->gt, q->flags & EXEC_QUEUE_FLAG_VM && !exec_queue_killed(q),
- "VM job timed out on non-killed execqueue\n");
- if (!wedged && (q->flags & EXEC_QUEUE_FLAG_KERNEL ||
- (q->flags & EXEC_QUEUE_FLAG_VM && !exec_queue_killed(q)))) {
- if (!xe_sched_invalidate_job(job, 2)) {
- clear_exec_queue_check_timeout(q);
- xe_gt_reset_async(q->gt);
- goto rearm;
- }
- }
-
- /* Finish cleaning up exec queue via deregister */
- set_exec_queue_banned(q);
- if (!wedged && exec_queue_registered(q) && !exec_queue_destroyed(q)) {
- set_exec_queue_extra_ref(q);
- xe_exec_queue_get(q);
- __deregister_exec_queue(guc, q);
- }
-
- /* Stop fence signaling */
- xe_hw_fence_irq_stop(q->fence_irq);
-
- /*
- * Fence state now stable, stop / start scheduler which cleans up any
- * fences that are complete
- */
- xe_sched_add_pending_job(sched, job);
- xe_sched_submission_start(sched);
-
- xe_guc_exec_queue_trigger_cleanup(q);
-
- /* Mark all outstanding jobs as bad, thus completing them */
- spin_lock(&sched->base.job_list_lock);
- list_for_each_entry(tmp_job, &sched->base.pending_list, drm.list)
- xe_sched_job_set_error(tmp_job, !i++ ? err : -ECANCELED);
- spin_unlock(&sched->base.job_list_lock);
-
- /* Start fence signaling */
- xe_hw_fence_irq_start(q->fence_irq);
-
- return DRM_GPU_SCHED_STAT_NOMINAL;
-
-sched_enable:
- enable_scheduling(q);
-rearm:
- /*
- * XXX: Ideally want to adjust timeout based on current exection time
- * but there is not currently an easy way to do in DRM scheduler. With
- * some thought, do this in a follow up.
- */
- xe_sched_add_pending_job(sched, job);
- xe_sched_submission_start(sched);
-
- return DRM_GPU_SCHED_STAT_NOMINAL;
-}
-
-static void __guc_exec_queue_fini_async(struct work_struct *w)
-{
- struct xe_guc_exec_queue *ge =
- container_of(w, struct xe_guc_exec_queue, fini_async);
- struct xe_exec_queue *q = ge->q;
- struct xe_guc *guc = exec_queue_to_guc(q);
-
- xe_pm_runtime_get(guc_to_xe(guc));
- trace_xe_exec_queue_destroy(q);
-
- if (xe_exec_queue_is_lr(q))
- cancel_work_sync(&ge->lr_tdr);
- release_guc_id(guc, q);
- xe_sched_entity_fini(&ge->entity);
- xe_sched_fini(&ge->sched);
-
- kfree(ge);
- xe_exec_queue_fini(q);
- xe_pm_runtime_put(guc_to_xe(guc));
-}
-
-static void guc_exec_queue_fini_async(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
-
- INIT_WORK(&q->guc->fini_async, __guc_exec_queue_fini_async);
-
- /* We must block on kernel engines so slabs are empty on driver unload */
- if (q->flags & EXEC_QUEUE_FLAG_PERMANENT || exec_queue_wedged(q))
- __guc_exec_queue_fini_async(&q->guc->fini_async);
- else
- queue_work(xe->destroy_wq, &q->guc->fini_async);
-}
-
-static void __guc_exec_queue_fini(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- /*
- * Might be done from within the GPU scheduler, need to do async as we
- * fini the scheduler when the engine is fini'd, the scheduler can't
- * complete fini within itself (circular dependency). Async resolves
- * this we and don't really care when everything is fini'd, just that it
- * is.
- */
- guc_exec_queue_fini_async(q);
-}
-
-static void __guc_exec_queue_process_msg_cleanup(struct xe_sched_msg *msg)
-{
- struct xe_exec_queue *q = msg->private_data;
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
-
- xe_assert(xe, !(q->flags & EXEC_QUEUE_FLAG_PERMANENT));
- trace_xe_exec_queue_cleanup_entity(q);
-
- if (exec_queue_registered(q))
- disable_scheduling_deregister(guc, q);
- else
- __guc_exec_queue_fini(guc, q);
-}
-
-static bool guc_exec_queue_allowed_to_change_state(struct xe_exec_queue *q)
-{
- return !exec_queue_killed_or_banned_or_wedged(q) && exec_queue_registered(q);
-}
-
-static void __guc_exec_queue_process_msg_set_sched_props(struct xe_sched_msg *msg)
-{
- struct xe_exec_queue *q = msg->private_data;
- struct xe_guc *guc = exec_queue_to_guc(q);
-
- if (guc_exec_queue_allowed_to_change_state(q))
- init_policies(guc, q);
- kfree(msg);
-}
-
-static void __suspend_fence_signal(struct xe_exec_queue *q)
-{
- if (!q->guc->suspend_pending)
- return;
-
- WRITE_ONCE(q->guc->suspend_pending, false);
- wake_up(&q->guc->suspend_wait);
-}
-
-static void suspend_fence_signal(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
-
- xe_assert(xe, exec_queue_suspended(q) || exec_queue_killed(q) ||
- guc_read_stopped(guc));
- xe_assert(xe, q->guc->suspend_pending);
-
- __suspend_fence_signal(q);
-}
-
-static void __guc_exec_queue_process_msg_suspend(struct xe_sched_msg *msg)
-{
- struct xe_exec_queue *q = msg->private_data;
- struct xe_guc *guc = exec_queue_to_guc(q);
-
- if (guc_exec_queue_allowed_to_change_state(q) && !exec_queue_suspended(q) &&
- exec_queue_enabled(q)) {
- wait_event(guc->ct.wq, q->guc->resume_time != RESUME_PENDING ||
- guc_read_stopped(guc));
-
- if (!guc_read_stopped(guc)) {
- s64 since_resume_ms =
- ktime_ms_delta(ktime_get(),
- q->guc->resume_time);
- s64 wait_ms = q->vm->preempt.min_run_period_ms -
- since_resume_ms;
-
- if (wait_ms > 0 && q->guc->resume_time)
- msleep(wait_ms);
-
- set_exec_queue_suspended(q);
- disable_scheduling(q, false);
- }
- } else if (q->guc->suspend_pending) {
- set_exec_queue_suspended(q);
- suspend_fence_signal(q);
- }
-}
-
-static void __guc_exec_queue_process_msg_resume(struct xe_sched_msg *msg)
-{
- struct xe_exec_queue *q = msg->private_data;
-
- if (guc_exec_queue_allowed_to_change_state(q)) {
- clear_exec_queue_suspended(q);
- if (!exec_queue_enabled(q)) {
- q->guc->resume_time = RESUME_PENDING;
- enable_scheduling(q);
- }
- } else {
- clear_exec_queue_suspended(q);
- }
-}
-
-#define CLEANUP 1 /* Non-zero values to catch uninitialized msg */
-#define SET_SCHED_PROPS 2
-#define SUSPEND 3
-#define RESUME 4
-#define OPCODE_MASK 0xf
-#define MSG_LOCKED BIT(8)
-
-static void guc_exec_queue_process_msg(struct xe_sched_msg *msg)
-{
- struct xe_device *xe = guc_to_xe(exec_queue_to_guc(msg->private_data));
-
- trace_xe_sched_msg_recv(msg);
-
- switch (msg->opcode) {
- case CLEANUP:
- __guc_exec_queue_process_msg_cleanup(msg);
- break;
- case SET_SCHED_PROPS:
- __guc_exec_queue_process_msg_set_sched_props(msg);
- break;
- case SUSPEND:
- __guc_exec_queue_process_msg_suspend(msg);
- break;
- case RESUME:
- __guc_exec_queue_process_msg_resume(msg);
- break;
- default:
- XE_WARN_ON("Unknown message type");
- }
-
- xe_pm_runtime_put(xe);
-}
-
-static const struct drm_sched_backend_ops drm_sched_ops = {
- .run_job = guc_exec_queue_run_job,
- .free_job = guc_exec_queue_free_job,
- .timedout_job = guc_exec_queue_timedout_job,
-};
-
-static const struct xe_sched_backend_ops xe_sched_ops = {
- .process_msg = guc_exec_queue_process_msg,
-};
-
-static int guc_exec_queue_init(struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched;
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_guc_exec_queue *ge;
- long timeout;
- int err, i;
-
- xe_assert(xe, xe_device_uc_enabled(guc_to_xe(guc)));
-
- ge = kzalloc(sizeof(*ge), GFP_KERNEL);
- if (!ge)
- return -ENOMEM;
-
- q->guc = ge;
- ge->q = q;
- init_waitqueue_head(&ge->suspend_wait);
-
- for (i = 0; i < MAX_STATIC_MSG_TYPE; ++i)
- INIT_LIST_HEAD(&ge->static_msgs[i].link);
-
- timeout = (q->vm && xe_vm_in_lr_mode(q->vm)) ? MAX_SCHEDULE_TIMEOUT :
- msecs_to_jiffies(q->sched_props.job_timeout_ms);
- err = xe_sched_init(&ge->sched, &drm_sched_ops, &xe_sched_ops,
- NULL, q->lrc[0]->ring.size / MAX_JOB_SIZE_BYTES, 64,
- timeout, guc_to_gt(guc)->ordered_wq, NULL,
- q->name, gt_to_xe(q->gt)->drm.dev);
- if (err)
- goto err_free;
-
- sched = &ge->sched;
- err = xe_sched_entity_init(&ge->entity, sched);
- if (err)
- goto err_sched;
-
- if (xe_exec_queue_is_lr(q))
- INIT_WORK(&q->guc->lr_tdr, xe_guc_exec_queue_lr_cleanup);
-
- mutex_lock(&guc->submission_state.lock);
-
- err = alloc_guc_id(guc, q);
- if (err)
- goto err_entity;
-
- q->entity = &ge->entity;
-
- if (guc_read_stopped(guc))
- xe_sched_stop(sched);
-
- mutex_unlock(&guc->submission_state.lock);
-
- xe_exec_queue_assign_name(q, q->guc->id);
-
- trace_xe_exec_queue_create(q);
-
- return 0;
-
-err_entity:
- mutex_unlock(&guc->submission_state.lock);
- xe_sched_entity_fini(&ge->entity);
-err_sched:
- xe_sched_fini(&ge->sched);
-err_free:
- kfree(ge);
-
- return err;
-}
-
-static void guc_exec_queue_kill(struct xe_exec_queue *q)
-{
- trace_xe_exec_queue_kill(q);
- set_exec_queue_killed(q);
- __suspend_fence_signal(q);
- xe_guc_exec_queue_trigger_cleanup(q);
-}
-
-static void guc_exec_queue_add_msg(struct xe_exec_queue *q, struct xe_sched_msg *msg,
- u32 opcode)
-{
- xe_pm_runtime_get_noresume(guc_to_xe(exec_queue_to_guc(q)));
-
- INIT_LIST_HEAD(&msg->link);
- msg->opcode = opcode & OPCODE_MASK;
- msg->private_data = q;
-
- trace_xe_sched_msg_add(msg);
- if (opcode & MSG_LOCKED)
- xe_sched_add_msg_locked(&q->guc->sched, msg);
- else
- xe_sched_add_msg(&q->guc->sched, msg);
-}
-
-static bool guc_exec_queue_try_add_msg(struct xe_exec_queue *q,
- struct xe_sched_msg *msg,
- u32 opcode)
-{
- if (!list_empty(&msg->link))
- return false;
-
- guc_exec_queue_add_msg(q, msg, opcode | MSG_LOCKED);
-
- return true;
-}
-
-#define STATIC_MSG_CLEANUP 0
-#define STATIC_MSG_SUSPEND 1
-#define STATIC_MSG_RESUME 2
-static void guc_exec_queue_fini(struct xe_exec_queue *q)
-{
- struct xe_sched_msg *msg = q->guc->static_msgs + STATIC_MSG_CLEANUP;
-
- if (!(q->flags & EXEC_QUEUE_FLAG_PERMANENT) && !exec_queue_wedged(q))
- guc_exec_queue_add_msg(q, msg, CLEANUP);
- else
- __guc_exec_queue_fini(exec_queue_to_guc(q), q);
-}
-
-static int guc_exec_queue_set_priority(struct xe_exec_queue *q,
- enum xe_exec_queue_priority priority)
-{
- struct xe_sched_msg *msg;
-
- if (q->sched_props.priority == priority ||
- exec_queue_killed_or_banned_or_wedged(q))
- return 0;
-
- msg = kmalloc(sizeof(*msg), GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
-
- q->sched_props.priority = priority;
- guc_exec_queue_add_msg(q, msg, SET_SCHED_PROPS);
-
- return 0;
-}
-
-static int guc_exec_queue_set_timeslice(struct xe_exec_queue *q, u32 timeslice_us)
-{
- struct xe_sched_msg *msg;
-
- if (q->sched_props.timeslice_us == timeslice_us ||
- exec_queue_killed_or_banned_or_wedged(q))
- return 0;
-
- msg = kmalloc(sizeof(*msg), GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
-
- q->sched_props.timeslice_us = timeslice_us;
- guc_exec_queue_add_msg(q, msg, SET_SCHED_PROPS);
-
- return 0;
-}
-
-static int guc_exec_queue_set_preempt_timeout(struct xe_exec_queue *q,
- u32 preempt_timeout_us)
-{
- struct xe_sched_msg *msg;
-
- if (q->sched_props.preempt_timeout_us == preempt_timeout_us ||
- exec_queue_killed_or_banned_or_wedged(q))
- return 0;
-
- msg = kmalloc(sizeof(*msg), GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
-
- q->sched_props.preempt_timeout_us = preempt_timeout_us;
- guc_exec_queue_add_msg(q, msg, SET_SCHED_PROPS);
-
- return 0;
-}
-
-static int guc_exec_queue_suspend(struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched = &q->guc->sched;
- struct xe_sched_msg *msg = q->guc->static_msgs + STATIC_MSG_SUSPEND;
-
- if (exec_queue_killed_or_banned_or_wedged(q))
- return -EINVAL;
-
- xe_sched_msg_lock(sched);
- if (guc_exec_queue_try_add_msg(q, msg, SUSPEND))
- q->guc->suspend_pending = true;
- xe_sched_msg_unlock(sched);
-
- return 0;
-}
-
-static int guc_exec_queue_suspend_wait(struct xe_exec_queue *q)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- int ret;
-
- /*
- * Likely don't need to check exec_queue_killed() as we clear
- * suspend_pending upon kill but to be paranoid but races in which
- * suspend_pending is set after kill also check kill here.
- */
- ret = wait_event_interruptible_timeout(q->guc->suspend_wait,
- !READ_ONCE(q->guc->suspend_pending) ||
- exec_queue_killed(q) ||
- guc_read_stopped(guc),
- HZ * 5);
-
- if (!ret) {
- xe_gt_warn(guc_to_gt(guc),
- "Suspend fence, guc_id=%d, failed to respond",
- q->guc->id);
- /* XXX: Trigger GT reset? */
- return -ETIME;
- }
-
- return ret < 0 ? ret : 0;
-}
-
-static void guc_exec_queue_resume(struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched = &q->guc->sched;
- struct xe_sched_msg *msg = q->guc->static_msgs + STATIC_MSG_RESUME;
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
-
- xe_assert(xe, !q->guc->suspend_pending);
-
- xe_sched_msg_lock(sched);
- guc_exec_queue_try_add_msg(q, msg, RESUME);
- xe_sched_msg_unlock(sched);
-}
-
-static bool guc_exec_queue_reset_status(struct xe_exec_queue *q)
-{
- return exec_queue_reset(q) || exec_queue_killed_or_banned_or_wedged(q);
-}
-
-/*
- * All of these functions are an abstraction layer which other parts of XE can
- * use to trap into the GuC backend. All of these functions, aside from init,
- * really shouldn't do much other than trap into the DRM scheduler which
- * synchronizes these operations.
- */
-static const struct xe_exec_queue_ops guc_exec_queue_ops = {
- .init = guc_exec_queue_init,
- .kill = guc_exec_queue_kill,
- .fini = guc_exec_queue_fini,
- .set_priority = guc_exec_queue_set_priority,
- .set_timeslice = guc_exec_queue_set_timeslice,
- .set_preempt_timeout = guc_exec_queue_set_preempt_timeout,
- .suspend = guc_exec_queue_suspend,
- .suspend_wait = guc_exec_queue_suspend_wait,
- .resume = guc_exec_queue_resume,
- .reset_status = guc_exec_queue_reset_status,
-};
-
-static void guc_exec_queue_stop(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched = &q->guc->sched;
-
- /* Stop scheduling + flush any DRM scheduler operations */
- xe_sched_submission_stop(sched);
-
- /* Clean up lost G2H + reset engine state */
- if (exec_queue_registered(q)) {
- if (exec_queue_extra_ref(q) || xe_exec_queue_is_lr(q))
- xe_exec_queue_put(q);
- else if (exec_queue_destroyed(q))
- __guc_exec_queue_fini(guc, q);
- }
- if (q->guc->suspend_pending) {
- set_exec_queue_suspended(q);
- suspend_fence_signal(q);
- }
- atomic_and(EXEC_QUEUE_STATE_WEDGED | EXEC_QUEUE_STATE_BANNED |
- EXEC_QUEUE_STATE_KILLED | EXEC_QUEUE_STATE_DESTROYED |
- EXEC_QUEUE_STATE_SUSPENDED,
- &q->guc->state);
- q->guc->resume_time = 0;
- trace_xe_exec_queue_stop(q);
-
- /*
- * Ban any engine (aside from kernel and engines used for VM ops) with a
- * started but not complete job or if a job has gone through a GT reset
- * more than twice.
- */
- if (!(q->flags & (EXEC_QUEUE_FLAG_KERNEL | EXEC_QUEUE_FLAG_VM))) {
- struct xe_sched_job *job = xe_sched_first_pending_job(sched);
- bool ban = false;
-
- if (job) {
- if ((xe_sched_job_started(job) &&
- !xe_sched_job_completed(job)) ||
- xe_sched_invalidate_job(job, 2)) {
- trace_xe_sched_job_ban(job);
- ban = true;
- }
- } else if (xe_exec_queue_is_lr(q) &&
- (xe_lrc_ring_head(q->lrc[0]) != xe_lrc_ring_tail(q->lrc[0]))) {
- ban = true;
- }
-
- if (ban) {
- set_exec_queue_banned(q);
- xe_guc_exec_queue_trigger_cleanup(q);
- }
- }
-}
-
-int xe_guc_submit_reset_prepare(struct xe_guc *guc)
-{
- int ret;
-
- /*
- * Using an atomic here rather than submission_state.lock as this
- * function can be called while holding the CT lock (engine reset
- * failure). submission_state.lock needs the CT lock to resubmit jobs.
- * Atomic is not ideal, but it works to prevent against concurrent reset
- * and releasing any TDRs waiting on guc->submission_state.stopped.
- */
- ret = atomic_fetch_or(1, &guc->submission_state.stopped);
- smp_wmb();
- wake_up_all(&guc->ct.wq);
-
- return ret;
-}
-
-void xe_guc_submit_reset_wait(struct xe_guc *guc)
-{
- wait_event(guc->ct.wq, xe_device_wedged(guc_to_xe(guc)) ||
- !guc_read_stopped(guc));
-}
-
-void xe_guc_submit_stop(struct xe_guc *guc)
-{
- struct xe_exec_queue *q;
- unsigned long index;
- struct xe_device *xe = guc_to_xe(guc);
-
- xe_assert(xe, guc_read_stopped(guc) == 1);
-
- mutex_lock(&guc->submission_state.lock);
-
- xa_for_each(&guc->submission_state.exec_queue_lookup, index, q)
- guc_exec_queue_stop(guc, q);
-
- mutex_unlock(&guc->submission_state.lock);
-
- /*
- * No one can enter the backend at this point, aside from new engine
- * creation which is protected by guc->submission_state.lock.
- */
-
-}
-
-static void guc_exec_queue_start(struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched = &q->guc->sched;
-
- if (!exec_queue_killed_or_banned_or_wedged(q)) {
- int i;
-
- trace_xe_exec_queue_resubmit(q);
- for (i = 0; i < q->width; ++i)
- xe_lrc_set_ring_head(q->lrc[i], q->lrc[i]->ring.tail);
- xe_sched_resubmit_jobs(sched);
- }
-
- xe_sched_submission_start(sched);
-}
-
-int xe_guc_submit_start(struct xe_guc *guc)
-{
- struct xe_exec_queue *q;
- unsigned long index;
- struct xe_device *xe = guc_to_xe(guc);
-
- xe_assert(xe, guc_read_stopped(guc) == 1);
-
- mutex_lock(&guc->submission_state.lock);
- atomic_dec(&guc->submission_state.stopped);
- xa_for_each(&guc->submission_state.exec_queue_lookup, index, q)
- guc_exec_queue_start(q);
- mutex_unlock(&guc->submission_state.lock);
-
- wake_up_all(&guc->ct.wq);
-
- return 0;
-}
-
-static struct xe_exec_queue *
-g2h_exec_queue_lookup(struct xe_guc *guc, u32 guc_id)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
-
- if (unlikely(guc_id >= GUC_ID_MAX)) {
- drm_err(&xe->drm, "Invalid guc_id %u", guc_id);
- return NULL;
- }
-
- q = xa_load(&guc->submission_state.exec_queue_lookup, guc_id);
- if (unlikely(!q)) {
- drm_err(&xe->drm, "Not engine present for guc_id %u", guc_id);
- return NULL;
- }
-
- xe_assert(xe, guc_id >= q->guc->id);
- xe_assert(xe, guc_id < (q->guc->id + q->width));
-
- return q;
-}
-
-static void deregister_exec_queue(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- u32 action[] = {
- XE_GUC_ACTION_DEREGISTER_CONTEXT,
- q->guc->id,
- };
-
- xe_gt_assert(guc_to_gt(guc), exec_queue_destroyed(q));
- xe_gt_assert(guc_to_gt(guc), exec_queue_registered(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_disable(q));
- xe_gt_assert(guc_to_gt(guc), !exec_queue_pending_enable(q));
-
- trace_xe_exec_queue_deregister(q);
-
- xe_guc_ct_send_g2h_handler(&guc->ct, action, ARRAY_SIZE(action));
-}
-
-static void handle_sched_done(struct xe_guc *guc, struct xe_exec_queue *q,
- u32 runnable_state)
-{
- trace_xe_exec_queue_scheduling_done(q);
-
- if (runnable_state == 1) {
- xe_gt_assert(guc_to_gt(guc), exec_queue_pending_enable(q));
-
- q->guc->resume_time = ktime_get();
- clear_exec_queue_pending_enable(q);
- smp_wmb();
- wake_up_all(&guc->ct.wq);
- } else {
- bool check_timeout = exec_queue_check_timeout(q);
-
- xe_gt_assert(guc_to_gt(guc), runnable_state == 0);
- xe_gt_assert(guc_to_gt(guc), exec_queue_pending_disable(q));
-
- clear_exec_queue_pending_disable(q);
- if (q->guc->suspend_pending) {
- suspend_fence_signal(q);
- } else {
- if (exec_queue_banned(q) || check_timeout) {
- smp_wmb();
- wake_up_all(&guc->ct.wq);
- }
- if (!check_timeout)
- deregister_exec_queue(guc, q);
- }
- }
-}
-
-int xe_guc_sched_done_handler(struct xe_guc *guc, u32 *msg, u32 len)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
- u32 guc_id = msg[0];
- u32 runnable_state = msg[1];
-
- if (unlikely(len < 2)) {
- drm_err(&xe->drm, "Invalid length %u", len);
- return -EPROTO;
- }
-
- q = g2h_exec_queue_lookup(guc, guc_id);
- if (unlikely(!q))
- return -EPROTO;
-
- if (unlikely(!exec_queue_pending_enable(q) &&
- !exec_queue_pending_disable(q))) {
- xe_gt_err(guc_to_gt(guc),
- "SCHED_DONE: Unexpected engine state 0x%04x, guc_id=%d, runnable_state=%u",
- atomic_read(&q->guc->state), q->guc->id,
- runnable_state);
- return -EPROTO;
- }
-
- handle_sched_done(guc, q, runnable_state);
-
- return 0;
-}
-
-static void handle_deregister_done(struct xe_guc *guc, struct xe_exec_queue *q)
-{
- trace_xe_exec_queue_deregister_done(q);
-
- clear_exec_queue_registered(q);
-
- if (exec_queue_extra_ref(q) || xe_exec_queue_is_lr(q))
- xe_exec_queue_put(q);
- else
- __guc_exec_queue_fini(guc, q);
-}
-
-int xe_guc_deregister_done_handler(struct xe_guc *guc, u32 *msg, u32 len)
-{
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
- u32 guc_id = msg[0];
-
- if (unlikely(len < 1)) {
- drm_err(&xe->drm, "Invalid length %u", len);
- return -EPROTO;
- }
-
- q = g2h_exec_queue_lookup(guc, guc_id);
- if (unlikely(!q))
- return -EPROTO;
-
- if (!exec_queue_destroyed(q) || exec_queue_pending_disable(q) ||
- exec_queue_pending_enable(q) || exec_queue_enabled(q)) {
- xe_gt_err(guc_to_gt(guc),
- "DEREGISTER_DONE: Unexpected engine state 0x%04x, guc_id=%d",
- atomic_read(&q->guc->state), q->guc->id);
- return -EPROTO;
- }
-
- handle_deregister_done(guc, q);
-
- return 0;
-}
-
-int xe_guc_exec_queue_reset_handler(struct xe_guc *guc, u32 *msg, u32 len)
-{
- struct xe_gt *gt = guc_to_gt(guc);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
- u32 guc_id = msg[0];
-
- if (unlikely(len < 1)) {
- drm_err(&xe->drm, "Invalid length %u", len);
- return -EPROTO;
- }
-
- q = g2h_exec_queue_lookup(guc, guc_id);
- if (unlikely(!q))
- return -EPROTO;
-
- xe_gt_info(gt, "Engine reset: engine_class=%s, logical_mask: 0x%x, guc_id=%d",
- xe_hw_engine_class_to_str(q->class), q->logical_mask, guc_id);
-
- /* FIXME: Do error capture, most likely async */
-
- trace_xe_exec_queue_reset(q);
-
- /*
- * A banned engine is a NOP at this point (came from
- * guc_exec_queue_timedout_job). Otherwise, kick drm scheduler to cancel
- * jobs by setting timeout of the job to the minimum value kicking
- * guc_exec_queue_timedout_job.
- */
- set_exec_queue_reset(q);
- if (!exec_queue_banned(q) && !exec_queue_check_timeout(q))
- xe_guc_exec_queue_trigger_cleanup(q);
-
- return 0;
-}
-
-int xe_guc_exec_queue_memory_cat_error_handler(struct xe_guc *guc, u32 *msg,
- u32 len)
-{
- struct xe_gt *gt = guc_to_gt(guc);
- struct xe_device *xe = guc_to_xe(guc);
- struct xe_exec_queue *q;
- u32 guc_id = msg[0];
-
- if (unlikely(len < 1)) {
- drm_err(&xe->drm, "Invalid length %u", len);
- return -EPROTO;
- }
-
- q = g2h_exec_queue_lookup(guc, guc_id);
- if (unlikely(!q))
- return -EPROTO;
-
- xe_gt_dbg(gt, "Engine memory cat error: engine_class=%s, logical_mask: 0x%x, guc_id=%d",
- xe_hw_engine_class_to_str(q->class), q->logical_mask, guc_id);
-
- trace_xe_exec_queue_memory_cat_error(q);
-
- /* Treat the same as engine reset */
- set_exec_queue_reset(q);
- if (!exec_queue_banned(q) && !exec_queue_check_timeout(q))
- xe_guc_exec_queue_trigger_cleanup(q);
-
- return 0;
-}
-
-int xe_guc_exec_queue_reset_failure_handler(struct xe_guc *guc, u32 *msg, u32 len)
-{
- struct xe_device *xe = guc_to_xe(guc);
- u8 guc_class, instance;
- u32 reason;
-
- if (unlikely(len != 3)) {
- drm_err(&xe->drm, "Invalid length %u", len);
- return -EPROTO;
- }
-
- guc_class = msg[0];
- instance = msg[1];
- reason = msg[2];
-
- /* Unexpected failure of a hardware feature, log an actual error */
- drm_err(&xe->drm, "GuC engine reset request failed on %d:%d because 0x%08X",
- guc_class, instance, reason);
-
- xe_gt_reset_async(guc_to_gt(guc));
-
- return 0;
-}
-
-static void
-guc_exec_queue_wq_snapshot_capture(struct xe_exec_queue *q,
- struct xe_guc_submit_exec_queue_snapshot *snapshot)
-{
- struct xe_guc *guc = exec_queue_to_guc(q);
- struct xe_device *xe = guc_to_xe(guc);
- struct iosys_map map = xe_lrc_parallel_map(q->lrc[0]);
- int i;
-
- snapshot->guc.wqi_head = q->guc->wqi_head;
- snapshot->guc.wqi_tail = q->guc->wqi_tail;
- snapshot->parallel.wq_desc.head = parallel_read(xe, map, wq_desc.head);
- snapshot->parallel.wq_desc.tail = parallel_read(xe, map, wq_desc.tail);
- snapshot->parallel.wq_desc.status = parallel_read(xe, map,
- wq_desc.wq_status);
-
- if (snapshot->parallel.wq_desc.head !=
- snapshot->parallel.wq_desc.tail) {
- for (i = snapshot->parallel.wq_desc.head;
- i != snapshot->parallel.wq_desc.tail;
- i = (i + sizeof(u32)) % WQ_SIZE)
- snapshot->parallel.wq[i / sizeof(u32)] =
- parallel_read(xe, map, wq[i / sizeof(u32)]);
- }
-}
-
-static void
-guc_exec_queue_wq_snapshot_print(struct xe_guc_submit_exec_queue_snapshot *snapshot,
- struct drm_printer *p)
-{
- int i;
-
- drm_printf(p, "\tWQ head: %u (internal), %d (memory)\n",
- snapshot->guc.wqi_head, snapshot->parallel.wq_desc.head);
- drm_printf(p, "\tWQ tail: %u (internal), %d (memory)\n",
- snapshot->guc.wqi_tail, snapshot->parallel.wq_desc.tail);
- drm_printf(p, "\tWQ status: %u\n", snapshot->parallel.wq_desc.status);
-
- if (snapshot->parallel.wq_desc.head !=
- snapshot->parallel.wq_desc.tail) {
- for (i = snapshot->parallel.wq_desc.head;
- i != snapshot->parallel.wq_desc.tail;
- i = (i + sizeof(u32)) % WQ_SIZE)
- drm_printf(p, "\tWQ[%zu]: 0x%08x\n", i / sizeof(u32),
- snapshot->parallel.wq[i / sizeof(u32)]);
- }
-}
-
-/**
- * xe_guc_exec_queue_snapshot_capture - Take a quick snapshot of the GuC Engine.
- * @q: faulty exec queue
- *
- * This can be printed out in a later stage like during dev_coredump
- * analysis.
- *
- * Returns: a GuC Submit Engine snapshot object that must be freed by the
- * caller, using `xe_guc_exec_queue_snapshot_free`.
- */
-struct xe_guc_submit_exec_queue_snapshot *
-xe_guc_exec_queue_snapshot_capture(struct xe_exec_queue *q)
-{
- struct xe_gpu_scheduler *sched = &q->guc->sched;
- struct xe_guc_submit_exec_queue_snapshot *snapshot;
- int i;
-
- snapshot = kzalloc(sizeof(*snapshot), GFP_ATOMIC);
-
- if (!snapshot)
- return NULL;
-
- snapshot->guc.id = q->guc->id;
- memcpy(&snapshot->name, &q->name, sizeof(snapshot->name));
- snapshot->class = q->class;
- snapshot->logical_mask = q->logical_mask;
- snapshot->width = q->width;
- snapshot->refcount = kref_read(&q->refcount);
- snapshot->sched_timeout = sched->base.timeout;
- snapshot->sched_props.timeslice_us = q->sched_props.timeslice_us;
- snapshot->sched_props.preempt_timeout_us =
- q->sched_props.preempt_timeout_us;
-
- snapshot->lrc = kmalloc_array(q->width, sizeof(struct xe_lrc_snapshot *),
- GFP_ATOMIC);
-
- if (snapshot->lrc) {
- for (i = 0; i < q->width; ++i) {
- struct xe_lrc *lrc = q->lrc[i];
-
- snapshot->lrc[i] = xe_lrc_snapshot_capture(lrc);
- }
- }
-
- snapshot->schedule_state = atomic_read(&q->guc->state);
- snapshot->exec_queue_flags = q->flags;
-
- snapshot->parallel_execution = xe_exec_queue_is_parallel(q);
- if (snapshot->parallel_execution)
- guc_exec_queue_wq_snapshot_capture(q, snapshot);
-
- spin_lock(&sched->base.job_list_lock);
- snapshot->pending_list_size = list_count_nodes(&sched->base.pending_list);
- snapshot->pending_list = kmalloc_array(snapshot->pending_list_size,
- sizeof(struct pending_list_snapshot),
- GFP_ATOMIC);
-
- if (snapshot->pending_list) {
- struct xe_sched_job *job_iter;
-
- i = 0;
- list_for_each_entry(job_iter, &sched->base.pending_list, drm.list) {
- snapshot->pending_list[i].seqno =
- xe_sched_job_seqno(job_iter);
- snapshot->pending_list[i].fence =
- dma_fence_is_signaled(job_iter->fence) ? 1 : 0;
- snapshot->pending_list[i].finished =
- dma_fence_is_signaled(&job_iter->drm.s_fence->finished)
- ? 1 : 0;
- i++;
- }
- }
-
- spin_unlock(&sched->base.job_list_lock);
-
- return snapshot;
-}
-
-/**
- * xe_guc_exec_queue_snapshot_capture_delayed - Take delayed part of snapshot of the GuC Engine.
- * @snapshot: Previously captured snapshot of job.
- *
- * This captures some data that requires taking some locks, so it cannot be done in signaling path.
- */
-void
-xe_guc_exec_queue_snapshot_capture_delayed(struct xe_guc_submit_exec_queue_snapshot *snapshot)
-{
- int i;
-
- if (!snapshot || !snapshot->lrc)
- return;
-
- for (i = 0; i < snapshot->width; ++i)
- xe_lrc_snapshot_capture_delayed(snapshot->lrc[i]);
-}
-
-/**
- * xe_guc_exec_queue_snapshot_print - Print out a given GuC Engine snapshot.
- * @snapshot: GuC Submit Engine snapshot object.
- * @p: drm_printer where it will be printed out.
- *
- * This function prints out a given GuC Submit Engine snapshot object.
- */
-void
-xe_guc_exec_queue_snapshot_print(struct xe_guc_submit_exec_queue_snapshot *snapshot,
- struct drm_printer *p)
-{
- int i;
-
- if (!snapshot)
- return;
-
- drm_printf(p, "\nGuC ID: %d\n", snapshot->guc.id);
- drm_printf(p, "\tName: %s\n", snapshot->name);
- drm_printf(p, "\tClass: %d\n", snapshot->class);
- drm_printf(p, "\tLogical mask: 0x%x\n", snapshot->logical_mask);
- drm_printf(p, "\tWidth: %d\n", snapshot->width);
- drm_printf(p, "\tRef: %d\n", snapshot->refcount);
- drm_printf(p, "\tTimeout: %ld (ms)\n", snapshot->sched_timeout);
- drm_printf(p, "\tTimeslice: %u (us)\n",
- snapshot->sched_props.timeslice_us);
- drm_printf(p, "\tPreempt timeout: %u (us)\n",
- snapshot->sched_props.preempt_timeout_us);
-
- for (i = 0; snapshot->lrc && i < snapshot->width; ++i)
- xe_lrc_snapshot_print(snapshot->lrc[i], p);
-
- drm_printf(p, "\tSchedule State: 0x%x\n", snapshot->schedule_state);
- drm_printf(p, "\tFlags: 0x%lx\n", snapshot->exec_queue_flags);
-
- if (snapshot->parallel_execution)
- guc_exec_queue_wq_snapshot_print(snapshot, p);
-
- for (i = 0; snapshot->pending_list && i < snapshot->pending_list_size;
- i++)
- drm_printf(p, "\tJob: seqno=%d, fence=%d, finished=%d\n",
- snapshot->pending_list[i].seqno,
- snapshot->pending_list[i].fence,
- snapshot->pending_list[i].finished);
-}
-
-/**
- * xe_guc_exec_queue_snapshot_free - Free all allocated objects for a given
- * snapshot.
- * @snapshot: GuC Submit Engine snapshot object.
- *
- * This function free all the memory that needed to be allocated at capture
- * time.
- */
-void xe_guc_exec_queue_snapshot_free(struct xe_guc_submit_exec_queue_snapshot *snapshot)
-{
- int i;
-
- if (!snapshot)
- return;
-
- if (snapshot->lrc) {
- for (i = 0; i < snapshot->width; i++)
- xe_lrc_snapshot_free(snapshot->lrc[i]);
- kfree(snapshot->lrc);
- }
- kfree(snapshot->pending_list);
- kfree(snapshot);
-}
-
-static void guc_exec_queue_print(struct xe_exec_queue *q, struct drm_printer *p)
-{
- struct xe_guc_submit_exec_queue_snapshot *snapshot;
-
- snapshot = xe_guc_exec_queue_snapshot_capture(q);
- xe_guc_exec_queue_snapshot_print(snapshot, p);
- xe_guc_exec_queue_snapshot_free(snapshot);
-}
-
-/**
- * xe_guc_submit_print - GuC Submit Print.
- * @guc: GuC.
- * @p: drm_printer where it will be printed out.
- *
- * This function capture and prints snapshots of **all** GuC Engines.
- */
-void xe_guc_submit_print(struct xe_guc *guc, struct drm_printer *p)
-{
- struct xe_exec_queue *q;
- unsigned long index;
-
- if (!xe_device_uc_enabled(guc_to_xe(guc)))
- return;
-
- mutex_lock(&guc->submission_state.lock);
- xa_for_each(&guc->submission_state.exec_queue_lookup, index, q)
- guc_exec_queue_print(q, p);
- mutex_unlock(&guc->submission_state.lock);
-}
diff --git a/rr-cache/d4411ef71ed1899152af2d2b74ba2ad8fdf109e8/postimage b/rr-cache/d4411ef71ed1899152af2d2b74ba2ad8fdf109e8/postimage
deleted file mode 100644
index 1a689a0a25d5..000000000000
--- a/rr-cache/d4411ef71ed1899152af2d2b74ba2ad8fdf109e8/postimage
+++ /dev/null
@@ -1,1262 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright 2018 Noralf Trønnes
- * Copyright (c) 2006-2009 Red Hat Inc.
- * Copyright (c) 2006-2008 Intel Corporation
- * Jesse Barnes <jesse.barnes@intel.com>
- * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
- */
-
-#include "drm/drm_modeset_lock.h"
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/slab.h>
-#include <linux/string_helpers.h>
-
-#include <drm/drm_atomic.h>
-#include <drm/drm_client.h>
-#include <drm/drm_connector.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_device.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_encoder.h>
-#include <drm/drm_print.h>
-
-#include "drm_crtc_internal.h"
-#include "drm_internal.h"
-
-#define DRM_CLIENT_MAX_CLONED_CONNECTORS 8
-
-struct drm_client_offset {
- int x, y;
-};
-
-int drm_client_modeset_create(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- unsigned int num_crtc = dev->mode_config.num_crtc;
- unsigned int max_connector_count = 1;
- struct drm_mode_set *modeset;
- struct drm_crtc *crtc;
- unsigned int i = 0;
-
- /* Add terminating zero entry to enable index less iteration */
- client->modesets = kcalloc(num_crtc + 1, sizeof(*client->modesets), GFP_KERNEL);
- if (!client->modesets)
- return -ENOMEM;
-
- mutex_init(&client->modeset_mutex);
-
- drm_for_each_crtc(crtc, dev)
- client->modesets[i++].crtc = crtc;
-
- /* Cloning is only supported in the single crtc case. */
- if (num_crtc == 1)
- max_connector_count = DRM_CLIENT_MAX_CLONED_CONNECTORS;
-
- for (modeset = client->modesets; modeset->crtc; modeset++) {
- modeset->connectors = kcalloc(max_connector_count,
- sizeof(*modeset->connectors), GFP_KERNEL);
- if (!modeset->connectors)
- goto err_free;
- }
-
- return 0;
-
-err_free:
- drm_client_modeset_free(client);
-
- return -ENOMEM;
-}
-
-static void drm_client_modeset_release(struct drm_client_dev *client)
-{
- struct drm_mode_set *modeset;
- unsigned int i;
-
- drm_client_for_each_modeset(modeset, client) {
- drm_mode_destroy(client->dev, modeset->mode);
- modeset->mode = NULL;
- modeset->fb = NULL;
-
- for (i = 0; i < modeset->num_connectors; i++) {
- drm_connector_put(modeset->connectors[i]);
- modeset->connectors[i] = NULL;
- }
- modeset->num_connectors = 0;
- }
-}
-
-void drm_client_modeset_free(struct drm_client_dev *client)
-{
- struct drm_mode_set *modeset;
-
- mutex_lock(&client->modeset_mutex);
-
- drm_client_modeset_release(client);
-
- drm_client_for_each_modeset(modeset, client)
- kfree(modeset->connectors);
-
- mutex_unlock(&client->modeset_mutex);
-
- mutex_destroy(&client->modeset_mutex);
- kfree(client->modesets);
-}
-
-static struct drm_mode_set *
-drm_client_find_modeset(struct drm_client_dev *client, struct drm_crtc *crtc)
-{
- struct drm_mode_set *modeset;
-
- drm_client_for_each_modeset(modeset, client)
- if (modeset->crtc == crtc)
- return modeset;
-
- return NULL;
-}
-
-static struct drm_display_mode *
-drm_connector_get_tiled_mode(struct drm_connector *connector)
-{
- struct drm_display_mode *mode;
-
- list_for_each_entry(mode, &connector->modes, head) {
- if (mode->hdisplay == connector->tile_h_size &&
- mode->vdisplay == connector->tile_v_size)
- return mode;
- }
- return NULL;
-}
-
-static struct drm_display_mode *
-drm_connector_fallback_non_tiled_mode(struct drm_connector *connector)
-{
- struct drm_display_mode *mode;
-
- list_for_each_entry(mode, &connector->modes, head) {
- if (mode->hdisplay == connector->tile_h_size &&
- mode->vdisplay == connector->tile_v_size)
- continue;
- return mode;
- }
- return NULL;
-}
-
-static struct drm_display_mode *
-drm_connector_preferred_mode(struct drm_connector *connector, int width, int height)
-{
- struct drm_display_mode *mode;
-
- list_for_each_entry(mode, &connector->modes, head) {
- if (mode->hdisplay > width ||
- mode->vdisplay > height)
- continue;
- if (mode->type & DRM_MODE_TYPE_PREFERRED)
- return mode;
- }
- return NULL;
-}
-
-static struct drm_display_mode *drm_connector_pick_cmdline_mode(struct drm_connector *connector)
-{
- struct drm_cmdline_mode *cmdline_mode;
- struct drm_display_mode *mode;
- bool prefer_non_interlace;
-
- /*
- * Find a user-defined mode. If the user gave us a valid
- * mode on the kernel command line, it will show up in this
- * list.
- */
-
- list_for_each_entry(mode, &connector->modes, head) {
- if (mode->type & DRM_MODE_TYPE_USERDEF)
- return mode;
- }
-
- cmdline_mode = &connector->cmdline_mode;
- if (cmdline_mode->specified == false)
- return NULL;
-
- /*
- * Attempt to find a matching mode in the list of modes we
- * have gotten so far.
- */
-
- prefer_non_interlace = !cmdline_mode->interlace;
-again:
- list_for_each_entry(mode, &connector->modes, head) {
- /* check width/height */
- if (mode->hdisplay != cmdline_mode->xres ||
- mode->vdisplay != cmdline_mode->yres)
- continue;
-
- if (cmdline_mode->refresh_specified) {
- if (drm_mode_vrefresh(mode) != cmdline_mode->refresh)
- continue;
- }
-
- if (cmdline_mode->interlace) {
- if (!(mode->flags & DRM_MODE_FLAG_INTERLACE))
- continue;
- } else if (prefer_non_interlace) {
- if (mode->flags & DRM_MODE_FLAG_INTERLACE)
- continue;
- }
- return mode;
- }
-
- if (prefer_non_interlace) {
- prefer_non_interlace = false;
- goto again;
- }
-
- return NULL;
-}
-
-static bool drm_connector_enabled(struct drm_connector *connector, bool strict)
-{
- bool enable;
-
- if (connector->display_info.non_desktop)
- return false;
-
- if (strict)
- enable = connector->status == connector_status_connected;
- else
- enable = connector->status != connector_status_disconnected;
-
- return enable;
-}
-
-static void drm_client_connectors_enabled(struct drm_connector **connectors,
- unsigned int connector_count,
- bool *enabled)
-{
- bool any_enabled = false;
- struct drm_connector *connector;
- int i = 0;
-
- for (i = 0; i < connector_count; i++) {
- connector = connectors[i];
- enabled[i] = drm_connector_enabled(connector, true);
- drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] enabled? %s\n",
- connector->base.id, connector->name,
- connector->display_info.non_desktop ?
- "non desktop" : str_yes_no(enabled[i]));
-
- any_enabled |= enabled[i];
- }
-
- if (any_enabled)
- return;
-
- for (i = 0; i < connector_count; i++)
- enabled[i] = drm_connector_enabled(connectors[i], false);
-}
-
-static bool drm_client_target_cloned(struct drm_device *dev,
- struct drm_connector **connectors,
- unsigned int connector_count,
- struct drm_display_mode **modes,
- struct drm_client_offset *offsets,
- bool *enabled, int width, int height)
-{
- int count, i, j;
- bool can_clone = false;
- struct drm_display_mode *dmt_mode, *mode;
-
- /* only contemplate cloning in the single crtc case */
- if (dev->mode_config.num_crtc > 1)
- return false;
-
- count = 0;
- for (i = 0; i < connector_count; i++) {
- if (enabled[i])
- count++;
- }
-
- /* only contemplate cloning if more than one connector is enabled */
- if (count <= 1)
- return false;
-
- /* check the command line or if nothing common pick 1024x768 */
- can_clone = true;
- for (i = 0; i < connector_count; i++) {
- if (!enabled[i])
- continue;
- modes[i] = drm_connector_pick_cmdline_mode(connectors[i]);
- if (!modes[i]) {
- can_clone = false;
- break;
- }
- for (j = 0; j < i; j++) {
- if (!enabled[j])
- continue;
- if (!drm_mode_match(modes[j], modes[i],
- DRM_MODE_MATCH_TIMINGS |
- DRM_MODE_MATCH_CLOCK |
- DRM_MODE_MATCH_FLAGS |
- DRM_MODE_MATCH_3D_FLAGS))
- can_clone = false;
- }
- }
-
- if (can_clone) {
- drm_dbg_kms(dev, "can clone using command line\n");
- return true;
- }
-
- /* try and find a 1024x768 mode on each connector */
- can_clone = true;
- dmt_mode = drm_mode_find_dmt(dev, 1024, 768, 60, false);
-
- if (!dmt_mode)
- goto fail;
-
- for (i = 0; i < connector_count; i++) {
- if (!enabled[i])
- continue;
-
- list_for_each_entry(mode, &connectors[i]->modes, head) {
- if (drm_mode_match(mode, dmt_mode,
- DRM_MODE_MATCH_TIMINGS |
- DRM_MODE_MATCH_CLOCK |
- DRM_MODE_MATCH_FLAGS |
- DRM_MODE_MATCH_3D_FLAGS))
- modes[i] = mode;
- }
- if (!modes[i])
- can_clone = false;
- }
- kfree(dmt_mode);
-
- if (can_clone) {
- drm_dbg_kms(dev, "can clone using 1024x768\n");
- return true;
- }
-fail:
- drm_info(dev, "kms: can't enable cloning when we probably wanted to.\n");
- return false;
-}
-
-static int drm_client_get_tile_offsets(struct drm_device *dev,
- struct drm_connector **connectors,
- unsigned int connector_count,
- struct drm_display_mode **modes,
- struct drm_client_offset *offsets,
- int idx,
- int h_idx, int v_idx)
-{
- struct drm_connector *connector;
- int i;
- int hoffset = 0, voffset = 0;
-
- for (i = 0; i < connector_count; i++) {
- connector = connectors[i];
- if (!connector->has_tile)
- continue;
-
- if (!modes[i] && (h_idx || v_idx)) {
- drm_dbg_kms(dev,
- "[CONNECTOR:%d:%s] no modes for connector tiled %d\n",
- connector->base.id, connector->name, i);
- continue;
- }
- if (connector->tile_h_loc < h_idx)
- hoffset += modes[i]->hdisplay;
-
- if (connector->tile_v_loc < v_idx)
- voffset += modes[i]->vdisplay;
- }
- offsets[idx].x = hoffset;
- offsets[idx].y = voffset;
- drm_dbg_kms(dev, "returned %d %d for %d %d\n", hoffset, voffset, h_idx, v_idx);
- return 0;
-}
-
-static bool drm_client_target_preferred(struct drm_device *dev,
- struct drm_connector **connectors,
- unsigned int connector_count,
- struct drm_display_mode **modes,
- struct drm_client_offset *offsets,
- bool *enabled, int width, int height)
-{
- const u64 mask = BIT_ULL(connector_count) - 1;
- struct drm_connector *connector;
- u64 conn_configured = 0;
- int tile_pass = 0;
- int num_tiled_conns = 0;
- int i;
-
- for (i = 0; i < connector_count; i++) {
- if (connectors[i]->has_tile &&
- connectors[i]->status == connector_status_connected)
- num_tiled_conns++;
- }
-
-retry:
- for (i = 0; i < connector_count; i++) {
- connector = connectors[i];
-
- if (conn_configured & BIT_ULL(i))
- continue;
-
- if (enabled[i] == false) {
- conn_configured |= BIT_ULL(i);
- continue;
- }
-
- /* first pass over all the untiled connectors */
- if (tile_pass == 0 && connector->has_tile)
- continue;
-
- if (tile_pass == 1) {
- if (connector->tile_h_loc != 0 ||
- connector->tile_v_loc != 0)
- continue;
-
- } else {
- if (connector->tile_h_loc != tile_pass - 1 &&
- connector->tile_v_loc != tile_pass - 1)
- /* if this tile_pass doesn't cover any of the tiles - keep going */
- continue;
-
- /*
- * find the tile offsets for this pass - need to find
- * all tiles left and above
- */
- drm_client_get_tile_offsets(dev, connectors, connector_count,
- modes, offsets, i,
- connector->tile_h_loc, connector->tile_v_loc);
- }
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] looking for cmdline mode\n",
- connector->base.id, connector->name);
-
- /* got for command line mode first */
- modes[i] = drm_connector_pick_cmdline_mode(connector);
- if (!modes[i]) {
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] looking for preferred mode, tile %d\n",
- connector->base.id, connector->name,
- connector->tile_group ? connector->tile_group->id : 0);
- modes[i] = drm_connector_preferred_mode(connector, width, height);
- }
- /* No preferred modes, pick one off the list */
- if (!modes[i] && !list_empty(&connector->modes)) {
- list_for_each_entry(modes[i], &connector->modes, head)
- break;
- }
- /*
- * In case of tiled mode if all tiles not present fallback to
- * first available non tiled mode.
- * After all tiles are present, try to find the tiled mode
- * for all and if tiled mode not present due to fbcon size
- * limitations, use first non tiled mode only for
- * tile 0,0 and set to no mode for all other tiles.
- */
- if (connector->has_tile) {
- if (num_tiled_conns <
- connector->num_h_tile * connector->num_v_tile ||
- (connector->tile_h_loc == 0 &&
- connector->tile_v_loc == 0 &&
- !drm_connector_get_tiled_mode(connector))) {
- drm_dbg_kms(dev,
- "[CONNECTOR:%d:%s] Falling back to non-tiled mode\n",
- connector->base.id, connector->name);
- modes[i] = drm_connector_fallback_non_tiled_mode(connector);
- } else {
- modes[i] = drm_connector_get_tiled_mode(connector);
- }
- }
-
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Found mode %s\n",
- connector->base.id, connector->name,
- modes[i] ? modes[i]->name : "none");
- conn_configured |= BIT_ULL(i);
- }
-
- if ((conn_configured & mask) != mask) {
- tile_pass++;
- goto retry;
- }
- return true;
-}
-
-static bool connector_has_possible_crtc(struct drm_connector *connector,
- struct drm_crtc *crtc)
-{
- struct drm_encoder *encoder;
-
- drm_connector_for_each_possible_encoder(connector, encoder) {
- if (encoder->possible_crtcs & drm_crtc_mask(crtc))
- return true;
- }
-
- return false;
-}
-
-static int drm_client_pick_crtcs(struct drm_client_dev *client,
- struct drm_connector **connectors,
- unsigned int connector_count,
- struct drm_crtc **best_crtcs,
- struct drm_display_mode **modes,
- int n, int width, int height)
-{
- struct drm_device *dev = client->dev;
- struct drm_connector *connector;
- int my_score, best_score, score;
- struct drm_crtc **crtcs, *crtc;
- struct drm_mode_set *modeset;
- int o;
-
- if (n == connector_count)
- return 0;
-
- connector = connectors[n];
-
- best_crtcs[n] = NULL;
- best_score = drm_client_pick_crtcs(client, connectors, connector_count,
- best_crtcs, modes, n + 1, width, height);
- if (modes[n] == NULL)
- return best_score;
-
- crtcs = kcalloc(connector_count, sizeof(*crtcs), GFP_KERNEL);
- if (!crtcs)
- return best_score;
-
- my_score = 1;
- if (connector->status == connector_status_connected)
- my_score++;
- if (connector->cmdline_mode.specified)
- my_score++;
- if (drm_connector_preferred_mode(connector, width, height))
- my_score++;
-
- /*
- * select a crtc for this connector and then attempt to configure
- * remaining connectors
- */
- drm_client_for_each_modeset(modeset, client) {
- crtc = modeset->crtc;
-
- if (!connector_has_possible_crtc(connector, crtc))
- continue;
-
- for (o = 0; o < n; o++)
- if (best_crtcs[o] == crtc)
- break;
-
- if (o < n) {
- /* ignore cloning unless only a single crtc */
- if (dev->mode_config.num_crtc > 1)
- continue;
-
- if (!drm_mode_equal(modes[o], modes[n]))
- continue;
- }
-
- crtcs[n] = crtc;
- memcpy(crtcs, best_crtcs, n * sizeof(*crtcs));
- score = my_score + drm_client_pick_crtcs(client, connectors, connector_count,
- crtcs, modes, n + 1, width, height);
- if (score > best_score) {
- best_score = score;
- memcpy(best_crtcs, crtcs, connector_count * sizeof(*crtcs));
- }
- }
-
- kfree(crtcs);
- return best_score;
-}
-
-/* Try to read the BIOS display configuration and use it for the initial config */
-static bool drm_client_firmware_config(struct drm_client_dev *client,
- struct drm_connector **connectors,
- unsigned int connector_count,
- struct drm_crtc **crtcs,
- struct drm_display_mode **modes,
- struct drm_client_offset *offsets,
- bool *enabled, int width, int height)
-{
- const int count = min_t(unsigned int, connector_count, BITS_PER_LONG);
- unsigned long conn_configured, conn_seq, mask;
- struct drm_device *dev = client->dev;
- int i, j;
- bool *save_enabled;
- bool fallback = true, ret = true;
- int num_connectors_enabled = 0;
- int num_connectors_detected = 0;
- int num_tiled_conns = 0;
- struct drm_modeset_acquire_ctx ctx;
-
- if (!drm_drv_uses_atomic_modeset(dev))
- return false;
-
- if (drm_WARN_ON(dev, count <= 0))
- return false;
-
- save_enabled = kcalloc(count, sizeof(bool), GFP_KERNEL);
- if (!save_enabled)
- return false;
-
- drm_modeset_acquire_init(&ctx, 0);
-
- while (drm_modeset_lock_all_ctx(dev, &ctx) != 0)
- drm_modeset_backoff(&ctx);
-
- memcpy(save_enabled, enabled, count);
- mask = GENMASK(count - 1, 0);
- conn_configured = 0;
- for (i = 0; i < count; i++) {
- if (connectors[i]->has_tile &&
- connectors[i]->status == connector_status_connected)
- num_tiled_conns++;
- }
-retry:
- conn_seq = conn_configured;
- for (i = 0; i < count; i++) {
- struct drm_connector *connector;
- struct drm_encoder *encoder;
- struct drm_crtc *new_crtc;
-
- connector = connectors[i];
-
- if (conn_configured & BIT(i))
- continue;
-
- if (conn_seq == 0 && !connector->has_tile)
- continue;
-
- if (connector->status == connector_status_connected)
- num_connectors_detected++;
-
- if (!enabled[i]) {
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] not enabled, skipping\n",
- connector->base.id, connector->name);
- conn_configured |= BIT(i);
- continue;
- }
-
- if (connector->force == DRM_FORCE_OFF) {
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] disabled by user, skipping\n",
- connector->base.id, connector->name);
- enabled[i] = false;
- continue;
- }
-
- encoder = connector->state->best_encoder;
- if (!encoder || drm_WARN_ON(dev, !connector->state->crtc)) {
- if (connector->force > DRM_FORCE_OFF)
- goto bail;
-
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] has no encoder or crtc, skipping\n",
- connector->base.id, connector->name);
- enabled[i] = false;
- conn_configured |= BIT(i);
- continue;
- }
-
- num_connectors_enabled++;
-
- new_crtc = connector->state->crtc;
-
- /*
- * Make sure we're not trying to drive multiple connectors
- * with a single CRTC, since our cloning support may not
- * match the BIOS.
- */
- for (j = 0; j < count; j++) {
- if (crtcs[j] == new_crtc) {
- drm_dbg_kms(dev, "fallback: cloned configuration\n");
- goto bail;
- }
- }
-
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] looking for cmdline mode\n",
- connector->base.id, connector->name);
-
- /* go for command line mode first */
- modes[i] = drm_connector_pick_cmdline_mode(connector);
-
- /* try for preferred next */
- if (!modes[i]) {
- drm_dbg_kms(dev,
- "[CONNECTOR:%d:%s] looking for preferred mode, has tile: %s\n",
- connector->base.id, connector->name,
- str_yes_no(connector->has_tile));
- modes[i] = drm_connector_preferred_mode(connector, width, height);
- }
-
- /* No preferred mode marked by the EDID? Are there any modes? */
- if (!modes[i] && !list_empty(&connector->modes)) {
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] using first listed mode\n",
- connector->base.id, connector->name);
- modes[i] = list_first_entry(&connector->modes,
- struct drm_display_mode,
- head);
- }
-
- /* last resort: use current mode */
- if (!modes[i]) {
- /*
- * IMPORTANT: We want to use the adjusted mode (i.e.
- * after the panel fitter upscaling) as the initial
- * config, not the input mode, which is what crtc->mode
- * usually contains. But since our current
- * code puts a mode derived from the post-pfit timings
- * into crtc->mode this works out correctly.
- *
- * This is crtc->mode and not crtc->state->mode for the
- * fastboot check to work correctly.
- */
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] looking for current mode\n",
- connector->base.id, connector->name);
- modes[i] = &connector->state->crtc->mode;
- }
- /*
- * In case of tiled modes, if all tiles are not present
- * then fallback to a non tiled mode.
- */
- if (connector->has_tile &&
- num_tiled_conns < connector->num_h_tile * connector->num_v_tile) {
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Falling back to non-tiled mode\n",
- connector->base.id, connector->name);
- modes[i] = drm_connector_fallback_non_tiled_mode(connector);
- }
- crtcs[i] = new_crtc;
-
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] on [CRTC:%d:%s]: %dx%d%s\n",
- connector->base.id, connector->name,
- connector->state->crtc->base.id,
- connector->state->crtc->name,
- modes[i]->hdisplay, modes[i]->vdisplay,
- modes[i]->flags & DRM_MODE_FLAG_INTERLACE ? "i" : "");
-
- fallback = false;
- conn_configured |= BIT(i);
- }
-
- if ((conn_configured & mask) != mask && conn_configured != conn_seq)
- goto retry;
-
- /*
- * If the BIOS didn't enable everything it could, fall back to have the
- * same user experiencing of lighting up as much as possible like the
- * fbdev helper library.
- */
- if (num_connectors_enabled != num_connectors_detected &&
- num_connectors_enabled < dev->mode_config.num_crtc) {
- drm_dbg_kms(dev, "fallback: Not all outputs enabled\n");
- drm_dbg_kms(dev, "Enabled: %i, detected: %i\n",
- num_connectors_enabled, num_connectors_detected);
- fallback = true;
- }
-
- if (fallback) {
-bail:
- drm_dbg_kms(dev, "Not using firmware configuration\n");
- memcpy(enabled, save_enabled, count);
- ret = false;
- }
-
- drm_modeset_drop_locks(&ctx);
- drm_modeset_acquire_fini(&ctx);
-
- kfree(save_enabled);
- return ret;
-}
-
-/**
- * drm_client_modeset_probe() - Probe for displays
- * @client: DRM client
- * @width: Maximum display mode width (optional)
- * @height: Maximum display mode height (optional)
- *
- * This function sets up display pipelines for enabled connectors and stores the
- * config in the client's modeset array.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width, unsigned int height)
-{
- struct drm_connector *connector, **connectors = NULL;
- struct drm_connector_list_iter conn_iter;
- struct drm_device *dev = client->dev;
- unsigned int total_modes_count = 0;
- struct drm_client_offset *offsets;
- unsigned int connector_count = 0;
- /* points to modes protected by mode_config.mutex */
- struct drm_display_mode **modes;
- struct drm_crtc **crtcs;
- int i, ret = 0;
- bool *enabled;
-
- drm_dbg_kms(dev, "\n");
-
- if (!width)
- width = dev->mode_config.max_width;
- if (!height)
- height = dev->mode_config.max_height;
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_client_for_each_connector_iter(connector, &conn_iter) {
- struct drm_connector **tmp;
-
- tmp = krealloc(connectors, (connector_count + 1) * sizeof(*connectors), GFP_KERNEL);
- if (!tmp) {
- ret = -ENOMEM;
- goto free_connectors;
- }
-
- connectors = tmp;
- drm_connector_get(connector);
- connectors[connector_count++] = connector;
- }
- drm_connector_list_iter_end(&conn_iter);
-
- if (!connector_count)
- return 0;
-
- crtcs = kcalloc(connector_count, sizeof(*crtcs), GFP_KERNEL);
- modes = kcalloc(connector_count, sizeof(*modes), GFP_KERNEL);
- offsets = kcalloc(connector_count, sizeof(*offsets), GFP_KERNEL);
- enabled = kcalloc(connector_count, sizeof(bool), GFP_KERNEL);
- if (!crtcs || !modes || !enabled || !offsets) {
- ret = -ENOMEM;
- goto out;
- }
-
- mutex_lock(&client->modeset_mutex);
-
- mutex_lock(&dev->mode_config.mutex);
- for (i = 0; i < connector_count; i++)
- total_modes_count += connectors[i]->funcs->fill_modes(connectors[i], width, height);
- if (!total_modes_count)
- drm_dbg_kms(dev, "No connectors reported connected with modes\n");
- drm_client_connectors_enabled(connectors, connector_count, enabled);
-
- if (!drm_client_firmware_config(client, connectors, connector_count, crtcs,
- modes, offsets, enabled, width, height)) {
- memset(modes, 0, connector_count * sizeof(*modes));
- memset(crtcs, 0, connector_count * sizeof(*crtcs));
- memset(offsets, 0, connector_count * sizeof(*offsets));
-
- if (!drm_client_target_cloned(dev, connectors, connector_count, modes,
- offsets, enabled, width, height) &&
- !drm_client_target_preferred(dev, connectors, connector_count, modes,
- offsets, enabled, width, height))
- drm_err(dev, "Unable to find initial modes\n");
-
- drm_dbg_kms(dev, "picking CRTCs for %dx%d config\n",
- width, height);
-
- drm_client_pick_crtcs(client, connectors, connector_count,
- crtcs, modes, 0, width, height);
- }
-
- drm_client_modeset_release(client);
-
- for (i = 0; i < connector_count; i++) {
- struct drm_display_mode *mode = modes[i];
- struct drm_crtc *crtc = crtcs[i];
- struct drm_client_offset *offset = &offsets[i];
-
- if (mode && crtc) {
- struct drm_mode_set *modeset = drm_client_find_modeset(client, crtc);
- struct drm_connector *connector = connectors[i];
-
- drm_dbg_kms(dev, "[CRTC:%d:%s] desired mode %s set (%d,%d)\n",
- crtc->base.id, crtc->name,
- mode->name, offset->x, offset->y);
-
- if (drm_WARN_ON_ONCE(dev, modeset->num_connectors == DRM_CLIENT_MAX_CLONED_CONNECTORS ||
- (dev->mode_config.num_crtc > 1 && modeset->num_connectors == 1))) {
- ret = -EINVAL;
- break;
- }
-
- kfree(modeset->mode);
- modeset->mode = drm_mode_duplicate(dev, mode);
- if (!modeset->mode) {
- ret = -ENOMEM;
- break;
- }
-
- drm_connector_get(connector);
- modeset->connectors[modeset->num_connectors++] = connector;
- modeset->x = offset->x;
- modeset->y = offset->y;
- }
- }
- mutex_unlock(&dev->mode_config.mutex);
-
- mutex_unlock(&client->modeset_mutex);
-out:
- kfree(crtcs);
- kfree(modes);
- kfree(offsets);
- kfree(enabled);
-free_connectors:
- for (i = 0; i < connector_count; i++)
- drm_connector_put(connectors[i]);
- kfree(connectors);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_client_modeset_probe);
-
-/**
- * drm_client_rotation() - Check the initial rotation value
- * @modeset: DRM modeset
- * @rotation: Returned rotation value
- *
- * This function checks if the primary plane in @modeset can hw rotate
- * to match the rotation needed on its connector.
- *
- * Note: Currently only 0 and 180 degrees are supported.
- *
- * Return:
- * True if the plane can do the rotation, false otherwise.
- */
-bool drm_client_rotation(struct drm_mode_set *modeset, unsigned int *rotation)
-{
- struct drm_connector *connector = modeset->connectors[0];
- struct drm_plane *plane = modeset->crtc->primary;
- struct drm_cmdline_mode *cmdline;
- u64 valid_mask = 0;
- unsigned int i;
-
- if (!modeset->num_connectors)
- return false;
-
- switch (connector->display_info.panel_orientation) {
- case DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP:
- *rotation = DRM_MODE_ROTATE_180;
- break;
- case DRM_MODE_PANEL_ORIENTATION_LEFT_UP:
- *rotation = DRM_MODE_ROTATE_90;
- break;
- case DRM_MODE_PANEL_ORIENTATION_RIGHT_UP:
- *rotation = DRM_MODE_ROTATE_270;
- break;
- default:
- *rotation = DRM_MODE_ROTATE_0;
- }
-
- /**
- * The panel already defined the default rotation
- * through its orientation. Whatever has been provided
- * on the command line needs to be added to that.
- *
- * Unfortunately, the rotations are at different bit
- * indices, so the math to add them up are not as
- * trivial as they could.
- *
- * Reflections on the other hand are pretty trivial to deal with, a
- * simple XOR between the two handle the addition nicely.
- */
- cmdline = &connector->cmdline_mode;
- if (cmdline->specified && cmdline->rotation_reflection) {
- unsigned int cmdline_rest, panel_rest;
- unsigned int cmdline_rot, panel_rot;
- unsigned int sum_rot, sum_rest;
-
- panel_rot = ilog2(*rotation & DRM_MODE_ROTATE_MASK);
- cmdline_rot = ilog2(cmdline->rotation_reflection & DRM_MODE_ROTATE_MASK);
- sum_rot = (panel_rot + cmdline_rot) % 4;
-
- panel_rest = *rotation & ~DRM_MODE_ROTATE_MASK;
- cmdline_rest = cmdline->rotation_reflection & ~DRM_MODE_ROTATE_MASK;
- sum_rest = panel_rest ^ cmdline_rest;
-
- *rotation = (1 << sum_rot) | sum_rest;
- }
-
- /*
- * TODO: support 90 / 270 degree hardware rotation,
- * depending on the hardware this may require the framebuffer
- * to be in a specific tiling format.
- */
- if (((*rotation & DRM_MODE_ROTATE_MASK) != DRM_MODE_ROTATE_0 &&
- (*rotation & DRM_MODE_ROTATE_MASK) != DRM_MODE_ROTATE_180) ||
- !plane->rotation_property)
- return false;
-
- for (i = 0; i < plane->rotation_property->num_values; i++)
- valid_mask |= (1ULL << plane->rotation_property->values[i]);
-
- if (!(*rotation & valid_mask))
- return false;
-
- return true;
-}
-EXPORT_SYMBOL(drm_client_rotation);
-
-static int drm_client_modeset_commit_atomic(struct drm_client_dev *client, bool active, bool check)
-{
- struct drm_device *dev = client->dev;
- struct drm_plane *plane;
- struct drm_atomic_state *state;
- struct drm_modeset_acquire_ctx ctx;
- struct drm_mode_set *mode_set;
- int ret;
-
- drm_modeset_acquire_init(&ctx, 0);
-
- state = drm_atomic_state_alloc(dev);
- if (!state) {
- ret = -ENOMEM;
- goto out_ctx;
- }
-
- state->acquire_ctx = &ctx;
-retry:
- drm_for_each_plane(plane, dev) {
- struct drm_plane_state *plane_state;
-
- plane_state = drm_atomic_get_plane_state(state, plane);
- if (IS_ERR(plane_state)) {
- ret = PTR_ERR(plane_state);
- goto out_state;
- }
-
- plane_state->rotation = DRM_MODE_ROTATE_0;
-
- /* disable non-primary: */
- if (plane->type == DRM_PLANE_TYPE_PRIMARY)
- continue;
-
- ret = __drm_atomic_helper_disable_plane(plane, plane_state);
- if (ret != 0)
- goto out_state;
- }
-
- drm_client_for_each_modeset(mode_set, client) {
- struct drm_plane *primary = mode_set->crtc->primary;
- unsigned int rotation;
-
- if (drm_client_rotation(mode_set, &rotation)) {
- struct drm_plane_state *plane_state;
-
- /* Cannot fail as we've already gotten the plane state above */
- plane_state = drm_atomic_get_new_plane_state(state, primary);
- plane_state->rotation = rotation;
- }
-
- ret = __drm_atomic_helper_set_config(mode_set, state);
- if (ret != 0)
- goto out_state;
-
- /*
- * __drm_atomic_helper_set_config() sets active when a
- * mode is set, unconditionally clear it if we force DPMS off
- */
- if (!active) {
- struct drm_crtc *crtc = mode_set->crtc;
- struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
-
- crtc_state->active = false;
- }
- }
-
- if (check)
- ret = drm_atomic_check_only(state);
- else
- ret = drm_atomic_commit(state);
-
-out_state:
- if (ret == -EDEADLK)
- goto backoff;
-
- drm_atomic_state_put(state);
-out_ctx:
- drm_modeset_drop_locks(&ctx);
- drm_modeset_acquire_fini(&ctx);
-
- return ret;
-
-backoff:
- drm_atomic_state_clear(state);
- drm_modeset_backoff(&ctx);
-
- goto retry;
-}
-
-static int drm_client_modeset_commit_legacy(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- struct drm_mode_set *mode_set;
- struct drm_plane *plane;
- int ret = 0;
-
- drm_modeset_lock_all(dev);
- drm_for_each_plane(plane, dev) {
- if (plane->type != DRM_PLANE_TYPE_PRIMARY)
- drm_plane_force_disable(plane);
-
- if (plane->rotation_property)
- drm_mode_plane_set_obj_prop(plane,
- plane->rotation_property,
- DRM_MODE_ROTATE_0);
- }
-
- drm_client_for_each_modeset(mode_set, client) {
- struct drm_crtc *crtc = mode_set->crtc;
-
- if (crtc->funcs->cursor_set2) {
- ret = crtc->funcs->cursor_set2(crtc, NULL, 0, 0, 0, 0, 0);
- if (ret)
- goto out;
- } else if (crtc->funcs->cursor_set) {
- ret = crtc->funcs->cursor_set(crtc, NULL, 0, 0, 0);
- if (ret)
- goto out;
- }
-
- ret = drm_mode_set_config_internal(mode_set);
- if (ret)
- goto out;
- }
-out:
- drm_modeset_unlock_all(dev);
-
- return ret;
-}
-
-/**
- * drm_client_modeset_check() - Check modeset configuration
- * @client: DRM client
- *
- * Check modeset configuration.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_check(struct drm_client_dev *client)
-{
- int ret;
-
- if (!drm_drv_uses_atomic_modeset(client->dev))
- return 0;
-
- mutex_lock(&client->modeset_mutex);
- ret = drm_client_modeset_commit_atomic(client, true, true);
- mutex_unlock(&client->modeset_mutex);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_client_modeset_check);
-
-/**
- * drm_client_modeset_commit_locked() - Force commit CRTC configuration
- * @client: DRM client
- *
- * Commit modeset configuration to crtcs without checking if there is a DRM
- * master. The assumption is that the caller already holds an internal DRM
- * master reference acquired with drm_master_internal_acquire().
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_commit_locked(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- int ret;
-
- mutex_lock(&client->modeset_mutex);
- if (drm_drv_uses_atomic_modeset(dev))
- ret = drm_client_modeset_commit_atomic(client, true, false);
- else
- ret = drm_client_modeset_commit_legacy(client);
- mutex_unlock(&client->modeset_mutex);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_client_modeset_commit_locked);
-
-/**
- * drm_client_modeset_commit() - Commit CRTC configuration
- * @client: DRM client
- *
- * Commit modeset configuration to crtcs.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_commit(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- int ret;
-
- if (!drm_master_internal_acquire(dev))
- return -EBUSY;
-
- ret = drm_client_modeset_commit_locked(client);
-
- drm_master_internal_release(dev);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_client_modeset_commit);
-
-static void drm_client_modeset_dpms_legacy(struct drm_client_dev *client, int dpms_mode)
-{
- struct drm_device *dev = client->dev;
- struct drm_connector *connector;
- struct drm_mode_set *modeset;
- struct drm_modeset_acquire_ctx ctx;
- int j;
- int ret;
-
- DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
- drm_client_for_each_modeset(modeset, client) {
- if (!modeset->crtc->enabled)
- continue;
-
- for (j = 0; j < modeset->num_connectors; j++) {
- connector = modeset->connectors[j];
- connector->funcs->dpms(connector, dpms_mode);
- drm_object_property_set_value(&connector->base,
- dev->mode_config.dpms_property, dpms_mode);
- }
- }
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
-}
-
-/**
- * drm_client_modeset_dpms() - Set DPMS mode
- * @client: DRM client
- * @mode: DPMS mode
- *
- * Note: For atomic drivers @mode is reduced to on/off.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_dpms(struct drm_client_dev *client, int mode)
-{
- struct drm_device *dev = client->dev;
- int ret = 0;
-
- if (!drm_master_internal_acquire(dev))
- return -EBUSY;
-
- mutex_lock(&client->modeset_mutex);
- if (drm_drv_uses_atomic_modeset(dev))
- ret = drm_client_modeset_commit_atomic(client, mode == DRM_MODE_DPMS_ON, false);
- else
- drm_client_modeset_dpms_legacy(client, mode);
- mutex_unlock(&client->modeset_mutex);
-
- drm_master_internal_release(dev);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_client_modeset_dpms);
-
-#ifdef CONFIG_DRM_KUNIT_TEST
-#include "tests/drm_client_modeset_test.c"
-#endif
diff --git a/rr-cache/d4411ef71ed1899152af2d2b74ba2ad8fdf109e8/preimage b/rr-cache/d4411ef71ed1899152af2d2b74ba2ad8fdf109e8/preimage
deleted file mode 100644
index ba3af20ae599..000000000000
--- a/rr-cache/d4411ef71ed1899152af2d2b74ba2ad8fdf109e8/preimage
+++ /dev/null
@@ -1,1274 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright 2018 Noralf Trønnes
- * Copyright (c) 2006-2009 Red Hat Inc.
- * Copyright (c) 2006-2008 Intel Corporation
- * Jesse Barnes <jesse.barnes@intel.com>
- * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
- */
-
-#include "drm/drm_modeset_lock.h"
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/slab.h>
-#include <linux/string_helpers.h>
-
-#include <drm/drm_atomic.h>
-#include <drm/drm_client.h>
-#include <drm/drm_connector.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_device.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_encoder.h>
-#include <drm/drm_print.h>
-
-#include "drm_crtc_internal.h"
-#include "drm_internal.h"
-
-#define DRM_CLIENT_MAX_CLONED_CONNECTORS 8
-
-struct drm_client_offset {
- int x, y;
-};
-
-int drm_client_modeset_create(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- unsigned int num_crtc = dev->mode_config.num_crtc;
- unsigned int max_connector_count = 1;
- struct drm_mode_set *modeset;
- struct drm_crtc *crtc;
- unsigned int i = 0;
-
- /* Add terminating zero entry to enable index less iteration */
- client->modesets = kcalloc(num_crtc + 1, sizeof(*client->modesets), GFP_KERNEL);
- if (!client->modesets)
- return -ENOMEM;
-
- mutex_init(&client->modeset_mutex);
-
- drm_for_each_crtc(crtc, dev)
- client->modesets[i++].crtc = crtc;
-
- /* Cloning is only supported in the single crtc case. */
- if (num_crtc == 1)
- max_connector_count = DRM_CLIENT_MAX_CLONED_CONNECTORS;
-
- for (modeset = client->modesets; modeset->crtc; modeset++) {
- modeset->connectors = kcalloc(max_connector_count,
- sizeof(*modeset->connectors), GFP_KERNEL);
- if (!modeset->connectors)
- goto err_free;
- }
-
- return 0;
-
-err_free:
- drm_client_modeset_free(client);
-
- return -ENOMEM;
-}
-
-static void drm_client_modeset_release(struct drm_client_dev *client)
-{
- struct drm_mode_set *modeset;
- unsigned int i;
-
- drm_client_for_each_modeset(modeset, client) {
- drm_mode_destroy(client->dev, modeset->mode);
- modeset->mode = NULL;
- modeset->fb = NULL;
-
- for (i = 0; i < modeset->num_connectors; i++) {
- drm_connector_put(modeset->connectors[i]);
- modeset->connectors[i] = NULL;
- }
- modeset->num_connectors = 0;
- }
-}
-
-void drm_client_modeset_free(struct drm_client_dev *client)
-{
- struct drm_mode_set *modeset;
-
- mutex_lock(&client->modeset_mutex);
-
- drm_client_modeset_release(client);
-
- drm_client_for_each_modeset(modeset, client)
- kfree(modeset->connectors);
-
- mutex_unlock(&client->modeset_mutex);
-
- mutex_destroy(&client->modeset_mutex);
- kfree(client->modesets);
-}
-
-static struct drm_mode_set *
-drm_client_find_modeset(struct drm_client_dev *client, struct drm_crtc *crtc)
-{
- struct drm_mode_set *modeset;
-
- drm_client_for_each_modeset(modeset, client)
- if (modeset->crtc == crtc)
- return modeset;
-
- return NULL;
-}
-
-static struct drm_display_mode *
-drm_connector_get_tiled_mode(struct drm_connector *connector)
-{
- struct drm_display_mode *mode;
-
- list_for_each_entry(mode, &connector->modes, head) {
- if (mode->hdisplay == connector->tile_h_size &&
- mode->vdisplay == connector->tile_v_size)
- return mode;
- }
- return NULL;
-}
-
-static struct drm_display_mode *
-drm_connector_fallback_non_tiled_mode(struct drm_connector *connector)
-{
- struct drm_display_mode *mode;
-
- list_for_each_entry(mode, &connector->modes, head) {
- if (mode->hdisplay == connector->tile_h_size &&
- mode->vdisplay == connector->tile_v_size)
- continue;
- return mode;
- }
- return NULL;
-}
-
-static struct drm_display_mode *
-drm_connector_preferred_mode(struct drm_connector *connector, int width, int height)
-{
- struct drm_display_mode *mode;
-
- list_for_each_entry(mode, &connector->modes, head) {
- if (mode->hdisplay > width ||
- mode->vdisplay > height)
- continue;
- if (mode->type & DRM_MODE_TYPE_PREFERRED)
- return mode;
- }
- return NULL;
-}
-
-static struct drm_display_mode *drm_connector_pick_cmdline_mode(struct drm_connector *connector)
-{
- struct drm_cmdline_mode *cmdline_mode;
- struct drm_display_mode *mode;
- bool prefer_non_interlace;
-
- /*
- * Find a user-defined mode. If the user gave us a valid
- * mode on the kernel command line, it will show up in this
- * list.
- */
-
- list_for_each_entry(mode, &connector->modes, head) {
- if (mode->type & DRM_MODE_TYPE_USERDEF)
- return mode;
- }
-
- cmdline_mode = &connector->cmdline_mode;
- if (cmdline_mode->specified == false)
- return NULL;
-
- /*
- * Attempt to find a matching mode in the list of modes we
- * have gotten so far.
- */
-
- prefer_non_interlace = !cmdline_mode->interlace;
-again:
- list_for_each_entry(mode, &connector->modes, head) {
- /* check width/height */
- if (mode->hdisplay != cmdline_mode->xres ||
- mode->vdisplay != cmdline_mode->yres)
- continue;
-
- if (cmdline_mode->refresh_specified) {
- if (drm_mode_vrefresh(mode) != cmdline_mode->refresh)
- continue;
- }
-
- if (cmdline_mode->interlace) {
- if (!(mode->flags & DRM_MODE_FLAG_INTERLACE))
- continue;
- } else if (prefer_non_interlace) {
- if (mode->flags & DRM_MODE_FLAG_INTERLACE)
- continue;
- }
- return mode;
- }
-
- if (prefer_non_interlace) {
- prefer_non_interlace = false;
- goto again;
- }
-
- return NULL;
-}
-
-static bool drm_connector_enabled(struct drm_connector *connector, bool strict)
-{
- bool enable;
-
- if (connector->display_info.non_desktop)
- return false;
-
- if (strict)
- enable = connector->status == connector_status_connected;
- else
- enable = connector->status != connector_status_disconnected;
-
- return enable;
-}
-
-static void drm_client_connectors_enabled(struct drm_connector **connectors,
- unsigned int connector_count,
- bool *enabled)
-{
- bool any_enabled = false;
- struct drm_connector *connector;
- int i = 0;
-
- for (i = 0; i < connector_count; i++) {
- connector = connectors[i];
- enabled[i] = drm_connector_enabled(connector, true);
- drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] enabled? %s\n",
- connector->base.id, connector->name,
- connector->display_info.non_desktop ?
- "non desktop" : str_yes_no(enabled[i]));
-
- any_enabled |= enabled[i];
- }
-
- if (any_enabled)
- return;
-
- for (i = 0; i < connector_count; i++)
- enabled[i] = drm_connector_enabled(connectors[i], false);
-}
-
-static bool drm_client_target_cloned(struct drm_device *dev,
- struct drm_connector **connectors,
- unsigned int connector_count,
- struct drm_display_mode **modes,
- struct drm_client_offset *offsets,
- bool *enabled, int width, int height)
-{
- int count, i, j;
- bool can_clone = false;
- struct drm_display_mode *dmt_mode, *mode;
-
- /* only contemplate cloning in the single crtc case */
- if (dev->mode_config.num_crtc > 1)
- return false;
-
- count = 0;
- for (i = 0; i < connector_count; i++) {
- if (enabled[i])
- count++;
- }
-
- /* only contemplate cloning if more than one connector is enabled */
- if (count <= 1)
- return false;
-
- /* check the command line or if nothing common pick 1024x768 */
- can_clone = true;
- for (i = 0; i < connector_count; i++) {
- if (!enabled[i])
- continue;
- modes[i] = drm_connector_pick_cmdline_mode(connectors[i]);
- if (!modes[i]) {
- can_clone = false;
- break;
- }
- for (j = 0; j < i; j++) {
- if (!enabled[j])
- continue;
- if (!drm_mode_match(modes[j], modes[i],
- DRM_MODE_MATCH_TIMINGS |
- DRM_MODE_MATCH_CLOCK |
- DRM_MODE_MATCH_FLAGS |
- DRM_MODE_MATCH_3D_FLAGS))
- can_clone = false;
- }
- }
-
- if (can_clone) {
- drm_dbg_kms(dev, "can clone using command line\n");
- return true;
- }
-
- /* try and find a 1024x768 mode on each connector */
- can_clone = true;
- dmt_mode = drm_mode_find_dmt(dev, 1024, 768, 60, false);
-
- if (!dmt_mode)
- goto fail;
-
- for (i = 0; i < connector_count; i++) {
- if (!enabled[i])
- continue;
-
- list_for_each_entry(mode, &connectors[i]->modes, head) {
- if (drm_mode_match(mode, dmt_mode,
- DRM_MODE_MATCH_TIMINGS |
- DRM_MODE_MATCH_CLOCK |
- DRM_MODE_MATCH_FLAGS |
- DRM_MODE_MATCH_3D_FLAGS))
- modes[i] = mode;
- }
- if (!modes[i])
- can_clone = false;
- }
- kfree(dmt_mode);
-
- if (can_clone) {
- drm_dbg_kms(dev, "can clone using 1024x768\n");
- return true;
- }
-fail:
- drm_info(dev, "kms: can't enable cloning when we probably wanted to.\n");
- return false;
-}
-
-static int drm_client_get_tile_offsets(struct drm_device *dev,
- struct drm_connector **connectors,
- unsigned int connector_count,
- struct drm_display_mode **modes,
- struct drm_client_offset *offsets,
- int idx,
- int h_idx, int v_idx)
-{
- struct drm_connector *connector;
- int i;
- int hoffset = 0, voffset = 0;
-
- for (i = 0; i < connector_count; i++) {
- connector = connectors[i];
- if (!connector->has_tile)
- continue;
-
- if (!modes[i] && (h_idx || v_idx)) {
- drm_dbg_kms(dev,
- "[CONNECTOR:%d:%s] no modes for connector tiled %d\n",
- connector->base.id, connector->name, i);
- continue;
- }
- if (connector->tile_h_loc < h_idx)
- hoffset += modes[i]->hdisplay;
-
- if (connector->tile_v_loc < v_idx)
- voffset += modes[i]->vdisplay;
- }
- offsets[idx].x = hoffset;
- offsets[idx].y = voffset;
- drm_dbg_kms(dev, "returned %d %d for %d %d\n", hoffset, voffset, h_idx, v_idx);
- return 0;
-}
-
-static bool drm_client_target_preferred(struct drm_device *dev,
- struct drm_connector **connectors,
- unsigned int connector_count,
- struct drm_display_mode **modes,
- struct drm_client_offset *offsets,
- bool *enabled, int width, int height)
-{
- const u64 mask = BIT_ULL(connector_count) - 1;
- struct drm_connector *connector;
- u64 conn_configured = 0;
- int tile_pass = 0;
- int num_tiled_conns = 0;
- int i;
-
- for (i = 0; i < connector_count; i++) {
- if (connectors[i]->has_tile &&
- connectors[i]->status == connector_status_connected)
- num_tiled_conns++;
- }
-
-retry:
- for (i = 0; i < connector_count; i++) {
- connector = connectors[i];
-
- if (conn_configured & BIT_ULL(i))
- continue;
-
- if (enabled[i] == false) {
- conn_configured |= BIT_ULL(i);
- continue;
- }
-
- /* first pass over all the untiled connectors */
- if (tile_pass == 0 && connector->has_tile)
- continue;
-
- if (tile_pass == 1) {
- if (connector->tile_h_loc != 0 ||
- connector->tile_v_loc != 0)
- continue;
-
- } else {
- if (connector->tile_h_loc != tile_pass - 1 &&
- connector->tile_v_loc != tile_pass - 1)
- /* if this tile_pass doesn't cover any of the tiles - keep going */
- continue;
-
- /*
- * find the tile offsets for this pass - need to find
- * all tiles left and above
- */
- drm_client_get_tile_offsets(dev, connectors, connector_count,
- modes, offsets, i,
- connector->tile_h_loc, connector->tile_v_loc);
- }
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] looking for cmdline mode\n",
- connector->base.id, connector->name);
-
- /* got for command line mode first */
- modes[i] = drm_connector_pick_cmdline_mode(connector);
- if (!modes[i]) {
-<<<<<<<
- DRM_DEBUG_KMS("looking for preferred mode on connector %d %d\n",
- connector->base.id, connector->tile_group ? connector->tile_group->id : 0);
- modes[i] = drm_connector_preferred_mode(connector, width, height);
-=======
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] looking for preferred mode, tile %d\n",
- connector->base.id, connector->name,
- connector->tile_group ? connector->tile_group->id : 0);
- modes[i] = drm_connector_has_preferred_mode(connector, width, height);
->>>>>>>
- }
- /* No preferred modes, pick one off the list */
- if (!modes[i] && !list_empty(&connector->modes)) {
- list_for_each_entry(modes[i], &connector->modes, head)
- break;
- }
- /*
- * In case of tiled mode if all tiles not present fallback to
- * first available non tiled mode.
- * After all tiles are present, try to find the tiled mode
- * for all and if tiled mode not present due to fbcon size
- * limitations, use first non tiled mode only for
- * tile 0,0 and set to no mode for all other tiles.
- */
- if (connector->has_tile) {
- if (num_tiled_conns <
- connector->num_h_tile * connector->num_v_tile ||
- (connector->tile_h_loc == 0 &&
- connector->tile_v_loc == 0 &&
- !drm_connector_get_tiled_mode(connector))) {
- drm_dbg_kms(dev,
- "[CONNECTOR:%d:%s] Falling back to non-tiled mode\n",
- connector->base.id, connector->name);
- modes[i] = drm_connector_fallback_non_tiled_mode(connector);
- } else {
- modes[i] = drm_connector_get_tiled_mode(connector);
- }
- }
-
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Found mode %s\n",
- connector->base.id, connector->name,
- modes[i] ? modes[i]->name : "none");
- conn_configured |= BIT_ULL(i);
- }
-
- if ((conn_configured & mask) != mask) {
- tile_pass++;
- goto retry;
- }
- return true;
-}
-
-static bool connector_has_possible_crtc(struct drm_connector *connector,
- struct drm_crtc *crtc)
-{
- struct drm_encoder *encoder;
-
- drm_connector_for_each_possible_encoder(connector, encoder) {
- if (encoder->possible_crtcs & drm_crtc_mask(crtc))
- return true;
- }
-
- return false;
-}
-
-static int drm_client_pick_crtcs(struct drm_client_dev *client,
- struct drm_connector **connectors,
- unsigned int connector_count,
- struct drm_crtc **best_crtcs,
- struct drm_display_mode **modes,
- int n, int width, int height)
-{
- struct drm_device *dev = client->dev;
- struct drm_connector *connector;
- int my_score, best_score, score;
- struct drm_crtc **crtcs, *crtc;
- struct drm_mode_set *modeset;
- int o;
-
- if (n == connector_count)
- return 0;
-
- connector = connectors[n];
-
- best_crtcs[n] = NULL;
- best_score = drm_client_pick_crtcs(client, connectors, connector_count,
- best_crtcs, modes, n + 1, width, height);
- if (modes[n] == NULL)
- return best_score;
-
- crtcs = kcalloc(connector_count, sizeof(*crtcs), GFP_KERNEL);
- if (!crtcs)
- return best_score;
-
- my_score = 1;
- if (connector->status == connector_status_connected)
- my_score++;
- if (connector->cmdline_mode.specified)
- my_score++;
- if (drm_connector_preferred_mode(connector, width, height))
- my_score++;
-
- /*
- * select a crtc for this connector and then attempt to configure
- * remaining connectors
- */
- drm_client_for_each_modeset(modeset, client) {
- crtc = modeset->crtc;
-
- if (!connector_has_possible_crtc(connector, crtc))
- continue;
-
- for (o = 0; o < n; o++)
- if (best_crtcs[o] == crtc)
- break;
-
- if (o < n) {
- /* ignore cloning unless only a single crtc */
- if (dev->mode_config.num_crtc > 1)
- continue;
-
- if (!drm_mode_equal(modes[o], modes[n]))
- continue;
- }
-
- crtcs[n] = crtc;
- memcpy(crtcs, best_crtcs, n * sizeof(*crtcs));
- score = my_score + drm_client_pick_crtcs(client, connectors, connector_count,
- crtcs, modes, n + 1, width, height);
- if (score > best_score) {
- best_score = score;
- memcpy(best_crtcs, crtcs, connector_count * sizeof(*crtcs));
- }
- }
-
- kfree(crtcs);
- return best_score;
-}
-
-/* Try to read the BIOS display configuration and use it for the initial config */
-static bool drm_client_firmware_config(struct drm_client_dev *client,
- struct drm_connector **connectors,
- unsigned int connector_count,
- struct drm_crtc **crtcs,
- struct drm_display_mode **modes,
- struct drm_client_offset *offsets,
- bool *enabled, int width, int height)
-{
- const int count = min_t(unsigned int, connector_count, BITS_PER_LONG);
- unsigned long conn_configured, conn_seq, mask;
- struct drm_device *dev = client->dev;
- int i, j;
- bool *save_enabled;
- bool fallback = true, ret = true;
- int num_connectors_enabled = 0;
- int num_connectors_detected = 0;
- int num_tiled_conns = 0;
- struct drm_modeset_acquire_ctx ctx;
-
- if (!drm_drv_uses_atomic_modeset(dev))
- return false;
-
- if (drm_WARN_ON(dev, count <= 0))
- return false;
-
- save_enabled = kcalloc(count, sizeof(bool), GFP_KERNEL);
- if (!save_enabled)
- return false;
-
- drm_modeset_acquire_init(&ctx, 0);
-
- while (drm_modeset_lock_all_ctx(dev, &ctx) != 0)
- drm_modeset_backoff(&ctx);
-
- memcpy(save_enabled, enabled, count);
- mask = GENMASK(count - 1, 0);
- conn_configured = 0;
- for (i = 0; i < count; i++) {
- if (connectors[i]->has_tile &&
- connectors[i]->status == connector_status_connected)
- num_tiled_conns++;
- }
-retry:
- conn_seq = conn_configured;
- for (i = 0; i < count; i++) {
- struct drm_connector *connector;
- struct drm_encoder *encoder;
- struct drm_crtc *new_crtc;
-
- connector = connectors[i];
-
- if (conn_configured & BIT(i))
- continue;
-
- if (conn_seq == 0 && !connector->has_tile)
- continue;
-
- if (connector->status == connector_status_connected)
- num_connectors_detected++;
-
- if (!enabled[i]) {
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] not enabled, skipping\n",
- connector->base.id, connector->name);
- conn_configured |= BIT(i);
- continue;
- }
-
- if (connector->force == DRM_FORCE_OFF) {
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] disabled by user, skipping\n",
- connector->base.id, connector->name);
- enabled[i] = false;
- continue;
- }
-
- encoder = connector->state->best_encoder;
- if (!encoder || drm_WARN_ON(dev, !connector->state->crtc)) {
- if (connector->force > DRM_FORCE_OFF)
- goto bail;
-
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] has no encoder or crtc, skipping\n",
- connector->base.id, connector->name);
- enabled[i] = false;
- conn_configured |= BIT(i);
- continue;
- }
-
- num_connectors_enabled++;
-
- new_crtc = connector->state->crtc;
-
- /*
- * Make sure we're not trying to drive multiple connectors
- * with a single CRTC, since our cloning support may not
- * match the BIOS.
- */
- for (j = 0; j < count; j++) {
- if (crtcs[j] == new_crtc) {
- drm_dbg_kms(dev, "fallback: cloned configuration\n");
- goto bail;
- }
- }
-
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] looking for cmdline mode\n",
- connector->base.id, connector->name);
-
- /* go for command line mode first */
- modes[i] = drm_connector_pick_cmdline_mode(connector);
-
- /* try for preferred next */
- if (!modes[i]) {
-<<<<<<<
- DRM_DEBUG_KMS("looking for preferred mode on connector %s %d\n",
- connector->name, connector->has_tile);
- modes[i] = drm_connector_preferred_mode(connector, width, height);
-=======
- drm_dbg_kms(dev,
- "[CONNECTOR:%d:%s] looking for preferred mode, has tile: %s\n",
- connector->base.id, connector->name,
- str_yes_no(connector->has_tile));
- modes[i] = drm_connector_has_preferred_mode(connector, width, height);
->>>>>>>
- }
-
- /* No preferred mode marked by the EDID? Are there any modes? */
- if (!modes[i] && !list_empty(&connector->modes)) {
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] using first listed mode\n",
- connector->base.id, connector->name);
- modes[i] = list_first_entry(&connector->modes,
- struct drm_display_mode,
- head);
- }
-
- /* last resort: use current mode */
- if (!modes[i]) {
- /*
- * IMPORTANT: We want to use the adjusted mode (i.e.
- * after the panel fitter upscaling) as the initial
- * config, not the input mode, which is what crtc->mode
- * usually contains. But since our current
- * code puts a mode derived from the post-pfit timings
- * into crtc->mode this works out correctly.
- *
- * This is crtc->mode and not crtc->state->mode for the
- * fastboot check to work correctly.
- */
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] looking for current mode\n",
- connector->base.id, connector->name);
- modes[i] = &connector->state->crtc->mode;
- }
- /*
- * In case of tiled modes, if all tiles are not present
- * then fallback to a non tiled mode.
- */
- if (connector->has_tile &&
- num_tiled_conns < connector->num_h_tile * connector->num_v_tile) {
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Falling back to non-tiled mode\n",
- connector->base.id, connector->name);
- modes[i] = drm_connector_fallback_non_tiled_mode(connector);
- }
- crtcs[i] = new_crtc;
-
- drm_dbg_kms(dev, "[CONNECTOR:%d:%s] on [CRTC:%d:%s]: %dx%d%s\n",
- connector->base.id, connector->name,
- connector->state->crtc->base.id,
- connector->state->crtc->name,
- modes[i]->hdisplay, modes[i]->vdisplay,
- modes[i]->flags & DRM_MODE_FLAG_INTERLACE ? "i" : "");
-
- fallback = false;
- conn_configured |= BIT(i);
- }
-
- if ((conn_configured & mask) != mask && conn_configured != conn_seq)
- goto retry;
-
- /*
- * If the BIOS didn't enable everything it could, fall back to have the
- * same user experiencing of lighting up as much as possible like the
- * fbdev helper library.
- */
- if (num_connectors_enabled != num_connectors_detected &&
- num_connectors_enabled < dev->mode_config.num_crtc) {
- drm_dbg_kms(dev, "fallback: Not all outputs enabled\n");
- drm_dbg_kms(dev, "Enabled: %i, detected: %i\n",
- num_connectors_enabled, num_connectors_detected);
- fallback = true;
- }
-
- if (fallback) {
-bail:
- drm_dbg_kms(dev, "Not using firmware configuration\n");
- memcpy(enabled, save_enabled, count);
- ret = false;
- }
-
- drm_modeset_drop_locks(&ctx);
- drm_modeset_acquire_fini(&ctx);
-
- kfree(save_enabled);
- return ret;
-}
-
-/**
- * drm_client_modeset_probe() - Probe for displays
- * @client: DRM client
- * @width: Maximum display mode width (optional)
- * @height: Maximum display mode height (optional)
- *
- * This function sets up display pipelines for enabled connectors and stores the
- * config in the client's modeset array.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width, unsigned int height)
-{
- struct drm_connector *connector, **connectors = NULL;
- struct drm_connector_list_iter conn_iter;
- struct drm_device *dev = client->dev;
- unsigned int total_modes_count = 0;
- struct drm_client_offset *offsets;
- unsigned int connector_count = 0;
- /* points to modes protected by mode_config.mutex */
- struct drm_display_mode **modes;
- struct drm_crtc **crtcs;
- int i, ret = 0;
- bool *enabled;
-
- drm_dbg_kms(dev, "\n");
-
- if (!width)
- width = dev->mode_config.max_width;
- if (!height)
- height = dev->mode_config.max_height;
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_client_for_each_connector_iter(connector, &conn_iter) {
- struct drm_connector **tmp;
-
- tmp = krealloc(connectors, (connector_count + 1) * sizeof(*connectors), GFP_KERNEL);
- if (!tmp) {
- ret = -ENOMEM;
- goto free_connectors;
- }
-
- connectors = tmp;
- drm_connector_get(connector);
- connectors[connector_count++] = connector;
- }
- drm_connector_list_iter_end(&conn_iter);
-
- if (!connector_count)
- return 0;
-
- crtcs = kcalloc(connector_count, sizeof(*crtcs), GFP_KERNEL);
- modes = kcalloc(connector_count, sizeof(*modes), GFP_KERNEL);
- offsets = kcalloc(connector_count, sizeof(*offsets), GFP_KERNEL);
- enabled = kcalloc(connector_count, sizeof(bool), GFP_KERNEL);
- if (!crtcs || !modes || !enabled || !offsets) {
- ret = -ENOMEM;
- goto out;
- }
-
- mutex_lock(&client->modeset_mutex);
-
- mutex_lock(&dev->mode_config.mutex);
- for (i = 0; i < connector_count; i++)
- total_modes_count += connectors[i]->funcs->fill_modes(connectors[i], width, height);
- if (!total_modes_count)
- drm_dbg_kms(dev, "No connectors reported connected with modes\n");
- drm_client_connectors_enabled(connectors, connector_count, enabled);
-
- if (!drm_client_firmware_config(client, connectors, connector_count, crtcs,
- modes, offsets, enabled, width, height)) {
- memset(modes, 0, connector_count * sizeof(*modes));
- memset(crtcs, 0, connector_count * sizeof(*crtcs));
- memset(offsets, 0, connector_count * sizeof(*offsets));
-
- if (!drm_client_target_cloned(dev, connectors, connector_count, modes,
- offsets, enabled, width, height) &&
- !drm_client_target_preferred(dev, connectors, connector_count, modes,
- offsets, enabled, width, height))
- drm_err(dev, "Unable to find initial modes\n");
-
- drm_dbg_kms(dev, "picking CRTCs for %dx%d config\n",
- width, height);
-
- drm_client_pick_crtcs(client, connectors, connector_count,
- crtcs, modes, 0, width, height);
- }
-
- drm_client_modeset_release(client);
-
- for (i = 0; i < connector_count; i++) {
- struct drm_display_mode *mode = modes[i];
- struct drm_crtc *crtc = crtcs[i];
- struct drm_client_offset *offset = &offsets[i];
-
- if (mode && crtc) {
- struct drm_mode_set *modeset = drm_client_find_modeset(client, crtc);
- struct drm_connector *connector = connectors[i];
-
- drm_dbg_kms(dev, "[CRTC:%d:%s] desired mode %s set (%d,%d)\n",
- crtc->base.id, crtc->name,
- mode->name, offset->x, offset->y);
-
- if (drm_WARN_ON_ONCE(dev, modeset->num_connectors == DRM_CLIENT_MAX_CLONED_CONNECTORS ||
- (dev->mode_config.num_crtc > 1 && modeset->num_connectors == 1))) {
- ret = -EINVAL;
- break;
- }
-
- kfree(modeset->mode);
- modeset->mode = drm_mode_duplicate(dev, mode);
- if (!modeset->mode) {
- ret = -ENOMEM;
- break;
- }
-
- drm_connector_get(connector);
- modeset->connectors[modeset->num_connectors++] = connector;
- modeset->x = offset->x;
- modeset->y = offset->y;
- }
- }
- mutex_unlock(&dev->mode_config.mutex);
-
- mutex_unlock(&client->modeset_mutex);
-out:
- kfree(crtcs);
- kfree(modes);
- kfree(offsets);
- kfree(enabled);
-free_connectors:
- for (i = 0; i < connector_count; i++)
- drm_connector_put(connectors[i]);
- kfree(connectors);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_client_modeset_probe);
-
-/**
- * drm_client_rotation() - Check the initial rotation value
- * @modeset: DRM modeset
- * @rotation: Returned rotation value
- *
- * This function checks if the primary plane in @modeset can hw rotate
- * to match the rotation needed on its connector.
- *
- * Note: Currently only 0 and 180 degrees are supported.
- *
- * Return:
- * True if the plane can do the rotation, false otherwise.
- */
-bool drm_client_rotation(struct drm_mode_set *modeset, unsigned int *rotation)
-{
- struct drm_connector *connector = modeset->connectors[0];
- struct drm_plane *plane = modeset->crtc->primary;
- struct drm_cmdline_mode *cmdline;
- u64 valid_mask = 0;
- unsigned int i;
-
- if (!modeset->num_connectors)
- return false;
-
- switch (connector->display_info.panel_orientation) {
- case DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP:
- *rotation = DRM_MODE_ROTATE_180;
- break;
- case DRM_MODE_PANEL_ORIENTATION_LEFT_UP:
- *rotation = DRM_MODE_ROTATE_90;
- break;
- case DRM_MODE_PANEL_ORIENTATION_RIGHT_UP:
- *rotation = DRM_MODE_ROTATE_270;
- break;
- default:
- *rotation = DRM_MODE_ROTATE_0;
- }
-
- /**
- * The panel already defined the default rotation
- * through its orientation. Whatever has been provided
- * on the command line needs to be added to that.
- *
- * Unfortunately, the rotations are at different bit
- * indices, so the math to add them up are not as
- * trivial as they could.
- *
- * Reflections on the other hand are pretty trivial to deal with, a
- * simple XOR between the two handle the addition nicely.
- */
- cmdline = &connector->cmdline_mode;
- if (cmdline->specified && cmdline->rotation_reflection) {
- unsigned int cmdline_rest, panel_rest;
- unsigned int cmdline_rot, panel_rot;
- unsigned int sum_rot, sum_rest;
-
- panel_rot = ilog2(*rotation & DRM_MODE_ROTATE_MASK);
- cmdline_rot = ilog2(cmdline->rotation_reflection & DRM_MODE_ROTATE_MASK);
- sum_rot = (panel_rot + cmdline_rot) % 4;
-
- panel_rest = *rotation & ~DRM_MODE_ROTATE_MASK;
- cmdline_rest = cmdline->rotation_reflection & ~DRM_MODE_ROTATE_MASK;
- sum_rest = panel_rest ^ cmdline_rest;
-
- *rotation = (1 << sum_rot) | sum_rest;
- }
-
- /*
- * TODO: support 90 / 270 degree hardware rotation,
- * depending on the hardware this may require the framebuffer
- * to be in a specific tiling format.
- */
- if (((*rotation & DRM_MODE_ROTATE_MASK) != DRM_MODE_ROTATE_0 &&
- (*rotation & DRM_MODE_ROTATE_MASK) != DRM_MODE_ROTATE_180) ||
- !plane->rotation_property)
- return false;
-
- for (i = 0; i < plane->rotation_property->num_values; i++)
- valid_mask |= (1ULL << plane->rotation_property->values[i]);
-
- if (!(*rotation & valid_mask))
- return false;
-
- return true;
-}
-EXPORT_SYMBOL(drm_client_rotation);
-
-static int drm_client_modeset_commit_atomic(struct drm_client_dev *client, bool active, bool check)
-{
- struct drm_device *dev = client->dev;
- struct drm_plane *plane;
- struct drm_atomic_state *state;
- struct drm_modeset_acquire_ctx ctx;
- struct drm_mode_set *mode_set;
- int ret;
-
- drm_modeset_acquire_init(&ctx, 0);
-
- state = drm_atomic_state_alloc(dev);
- if (!state) {
- ret = -ENOMEM;
- goto out_ctx;
- }
-
- state->acquire_ctx = &ctx;
-retry:
- drm_for_each_plane(plane, dev) {
- struct drm_plane_state *plane_state;
-
- plane_state = drm_atomic_get_plane_state(state, plane);
- if (IS_ERR(plane_state)) {
- ret = PTR_ERR(plane_state);
- goto out_state;
- }
-
- plane_state->rotation = DRM_MODE_ROTATE_0;
-
- /* disable non-primary: */
- if (plane->type == DRM_PLANE_TYPE_PRIMARY)
- continue;
-
- ret = __drm_atomic_helper_disable_plane(plane, plane_state);
- if (ret != 0)
- goto out_state;
- }
-
- drm_client_for_each_modeset(mode_set, client) {
- struct drm_plane *primary = mode_set->crtc->primary;
- unsigned int rotation;
-
- if (drm_client_rotation(mode_set, &rotation)) {
- struct drm_plane_state *plane_state;
-
- /* Cannot fail as we've already gotten the plane state above */
- plane_state = drm_atomic_get_new_plane_state(state, primary);
- plane_state->rotation = rotation;
- }
-
- ret = __drm_atomic_helper_set_config(mode_set, state);
- if (ret != 0)
- goto out_state;
-
- /*
- * __drm_atomic_helper_set_config() sets active when a
- * mode is set, unconditionally clear it if we force DPMS off
- */
- if (!active) {
- struct drm_crtc *crtc = mode_set->crtc;
- struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
-
- crtc_state->active = false;
- }
- }
-
- if (check)
- ret = drm_atomic_check_only(state);
- else
- ret = drm_atomic_commit(state);
-
-out_state:
- if (ret == -EDEADLK)
- goto backoff;
-
- drm_atomic_state_put(state);
-out_ctx:
- drm_modeset_drop_locks(&ctx);
- drm_modeset_acquire_fini(&ctx);
-
- return ret;
-
-backoff:
- drm_atomic_state_clear(state);
- drm_modeset_backoff(&ctx);
-
- goto retry;
-}
-
-static int drm_client_modeset_commit_legacy(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- struct drm_mode_set *mode_set;
- struct drm_plane *plane;
- int ret = 0;
-
- drm_modeset_lock_all(dev);
- drm_for_each_plane(plane, dev) {
- if (plane->type != DRM_PLANE_TYPE_PRIMARY)
- drm_plane_force_disable(plane);
-
- if (plane->rotation_property)
- drm_mode_plane_set_obj_prop(plane,
- plane->rotation_property,
- DRM_MODE_ROTATE_0);
- }
-
- drm_client_for_each_modeset(mode_set, client) {
- struct drm_crtc *crtc = mode_set->crtc;
-
- if (crtc->funcs->cursor_set2) {
- ret = crtc->funcs->cursor_set2(crtc, NULL, 0, 0, 0, 0, 0);
- if (ret)
- goto out;
- } else if (crtc->funcs->cursor_set) {
- ret = crtc->funcs->cursor_set(crtc, NULL, 0, 0, 0);
- if (ret)
- goto out;
- }
-
- ret = drm_mode_set_config_internal(mode_set);
- if (ret)
- goto out;
- }
-out:
- drm_modeset_unlock_all(dev);
-
- return ret;
-}
-
-/**
- * drm_client_modeset_check() - Check modeset configuration
- * @client: DRM client
- *
- * Check modeset configuration.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_check(struct drm_client_dev *client)
-{
- int ret;
-
- if (!drm_drv_uses_atomic_modeset(client->dev))
- return 0;
-
- mutex_lock(&client->modeset_mutex);
- ret = drm_client_modeset_commit_atomic(client, true, true);
- mutex_unlock(&client->modeset_mutex);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_client_modeset_check);
-
-/**
- * drm_client_modeset_commit_locked() - Force commit CRTC configuration
- * @client: DRM client
- *
- * Commit modeset configuration to crtcs without checking if there is a DRM
- * master. The assumption is that the caller already holds an internal DRM
- * master reference acquired with drm_master_internal_acquire().
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_commit_locked(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- int ret;
-
- mutex_lock(&client->modeset_mutex);
- if (drm_drv_uses_atomic_modeset(dev))
- ret = drm_client_modeset_commit_atomic(client, true, false);
- else
- ret = drm_client_modeset_commit_legacy(client);
- mutex_unlock(&client->modeset_mutex);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_client_modeset_commit_locked);
-
-/**
- * drm_client_modeset_commit() - Commit CRTC configuration
- * @client: DRM client
- *
- * Commit modeset configuration to crtcs.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_commit(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- int ret;
-
- if (!drm_master_internal_acquire(dev))
- return -EBUSY;
-
- ret = drm_client_modeset_commit_locked(client);
-
- drm_master_internal_release(dev);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_client_modeset_commit);
-
-static void drm_client_modeset_dpms_legacy(struct drm_client_dev *client, int dpms_mode)
-{
- struct drm_device *dev = client->dev;
- struct drm_connector *connector;
- struct drm_mode_set *modeset;
- struct drm_modeset_acquire_ctx ctx;
- int j;
- int ret;
-
- DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
- drm_client_for_each_modeset(modeset, client) {
- if (!modeset->crtc->enabled)
- continue;
-
- for (j = 0; j < modeset->num_connectors; j++) {
- connector = modeset->connectors[j];
- connector->funcs->dpms(connector, dpms_mode);
- drm_object_property_set_value(&connector->base,
- dev->mode_config.dpms_property, dpms_mode);
- }
- }
- DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
-}
-
-/**
- * drm_client_modeset_dpms() - Set DPMS mode
- * @client: DRM client
- * @mode: DPMS mode
- *
- * Note: For atomic drivers @mode is reduced to on/off.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_dpms(struct drm_client_dev *client, int mode)
-{
- struct drm_device *dev = client->dev;
- int ret = 0;
-
- if (!drm_master_internal_acquire(dev))
- return -EBUSY;
-
- mutex_lock(&client->modeset_mutex);
- if (drm_drv_uses_atomic_modeset(dev))
- ret = drm_client_modeset_commit_atomic(client, mode == DRM_MODE_DPMS_ON, false);
- else
- drm_client_modeset_dpms_legacy(client, mode);
- mutex_unlock(&client->modeset_mutex);
-
- drm_master_internal_release(dev);
-
- return ret;
-}
-EXPORT_SYMBOL(drm_client_modeset_dpms);
-
-#ifdef CONFIG_DRM_KUNIT_TEST
-#include "tests/drm_client_modeset_test.c"
-#endif