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path: root/drivers/gpu/drm/i915/intel_engine_cs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_engine_cs.c')
-rw-r--r--drivers/gpu/drm/i915/intel_engine_cs.c247
1 files changed, 156 insertions, 91 deletions
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 7eebfbb95e89..4ba139c27fba 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -123,6 +123,22 @@ static const struct engine_info intel_engines[] = {
.mmio_base = GEN8_BSD2_RING_BASE,
.irq_shift = GEN8_VCS2_IRQ_SHIFT,
},
+ [VCS3] = {
+ .hw_id = VCS3_HW,
+ .uabi_id = I915_EXEC_BSD,
+ .class = VIDEO_DECODE_CLASS,
+ .instance = 2,
+ .mmio_base = GEN11_BSD3_RING_BASE,
+ .irq_shift = 0, /* not used */
+ },
+ [VCS4] = {
+ .hw_id = VCS4_HW,
+ .uabi_id = I915_EXEC_BSD,
+ .class = VIDEO_DECODE_CLASS,
+ .instance = 3,
+ .mmio_base = GEN11_BSD4_RING_BASE,
+ .irq_shift = 0, /* not used */
+ },
[VECS] = {
.hw_id = VECS_HW,
.uabi_id = I915_EXEC_VEBOX,
@@ -131,6 +147,14 @@ static const struct engine_info intel_engines[] = {
.mmio_base = VEBOX_RING_BASE,
.irq_shift = GEN8_VECS_IRQ_SHIFT,
},
+ [VECS2] = {
+ .hw_id = VECS2_HW,
+ .uabi_id = I915_EXEC_VEBOX,
+ .class = VIDEO_ENHANCEMENT_CLASS,
+ .instance = 1,
+ .mmio_base = GEN11_VEBOX2_RING_BASE,
+ .irq_shift = 0, /* not used */
+ },
};
/**
@@ -210,6 +234,9 @@ intel_engine_setup(struct drm_i915_private *dev_priv,
GEM_BUG_ON(info->class >= ARRAY_SIZE(intel_engine_classes));
class_info = &intel_engine_classes[info->class];
+ BUILD_BUG_ON(MAX_ENGINE_CLASS >= BIT(GEN11_ENGINE_CLASS_WIDTH));
+ BUILD_BUG_ON(MAX_ENGINE_INSTANCE >= BIT(GEN11_ENGINE_INSTANCE_WIDTH));
+
if (GEM_WARN_ON(info->class > MAX_ENGINE_CLASS))
return -EINVAL;
@@ -230,7 +257,25 @@ intel_engine_setup(struct drm_i915_private *dev_priv,
class_info->name, info->instance) >=
sizeof(engine->name));
engine->hw_id = engine->guc_id = info->hw_id;
- engine->mmio_base = info->mmio_base;
+ if (INTEL_GEN(dev_priv) >= 11) {
+ switch (engine->id) {
+ case VCS:
+ engine->mmio_base = GEN11_BSD_RING_BASE;
+ break;
+ case VCS2:
+ engine->mmio_base = GEN11_BSD2_RING_BASE;
+ break;
+ case VECS:
+ engine->mmio_base = GEN11_VEBOX_RING_BASE;
+ break;
+ default:
+ /* take the original value for all other engines */
+ engine->mmio_base = info->mmio_base;
+ break;
+ }
+ } else {
+ engine->mmio_base = info->mmio_base;
+ }
engine->irq_shift = info->irq_shift;
engine->class = info->class;
engine->instance = info->instance;
@@ -423,6 +468,7 @@ static void intel_engine_init_execlist(struct intel_engine_cs *engine)
BUILD_BUG_ON_NOT_POWER_OF_2(execlists_num_ports(execlists));
GEM_BUG_ON(execlists_num_ports(execlists) > EXECLIST_MAX_PORTS);
+ execlists->queue_priority = INT_MIN;
execlists->queue = RB_ROOT;
execlists->first = NULL;
}
@@ -631,7 +677,7 @@ int intel_engine_init_common(struct intel_engine_cs *engine)
* Similarly the preempt context must always be available so that
* we can interrupt the engine at any time.
*/
- if (HAS_LOGICAL_RING_PREEMPTION(engine->i915)) {
+ if (engine->i915->preempt_context) {
ring = engine->context_pin(engine,
engine->i915->preempt_context);
if (IS_ERR(ring)) {
@@ -656,7 +702,7 @@ int intel_engine_init_common(struct intel_engine_cs *engine)
err_breadcrumbs:
intel_engine_fini_breadcrumbs(engine);
err_unpin_preempt:
- if (HAS_LOGICAL_RING_PREEMPTION(engine->i915))
+ if (engine->i915->preempt_context)
engine->context_unpin(engine, engine->i915->preempt_context);
err_unpin_kernel:
engine->context_unpin(engine, engine->i915->kernel_context);
@@ -686,12 +732,12 @@ void intel_engine_cleanup_common(struct intel_engine_cs *engine)
if (engine->default_state)
i915_gem_object_put(engine->default_state);
- if (HAS_LOGICAL_RING_PREEMPTION(engine->i915))
+ if (engine->i915->preempt_context)
engine->context_unpin(engine, engine->i915->preempt_context);
engine->context_unpin(engine, engine->i915->kernel_context);
}
-u64 intel_engine_get_active_head(struct intel_engine_cs *engine)
+u64 intel_engine_get_active_head(const struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
u64 acthd;
@@ -707,7 +753,7 @@ u64 intel_engine_get_active_head(struct intel_engine_cs *engine)
return acthd;
}
-u64 intel_engine_get_last_batch_head(struct intel_engine_cs *engine)
+u64 intel_engine_get_last_batch_head(const struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
u64 bbaddr;
@@ -1426,20 +1472,20 @@ int init_workarounds_ring(struct intel_engine_cs *engine)
return 0;
}
-int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
+int intel_ring_workarounds_emit(struct i915_request *rq)
{
- struct i915_workarounds *w = &req->i915->workarounds;
+ struct i915_workarounds *w = &rq->i915->workarounds;
u32 *cs;
int ret, i;
if (w->count == 0)
return 0;
- ret = req->engine->emit_flush(req, EMIT_BARRIER);
+ ret = rq->engine->emit_flush(rq, EMIT_BARRIER);
if (ret)
return ret;
- cs = intel_ring_begin(req, (w->count * 2 + 2));
+ cs = intel_ring_begin(rq, w->count * 2 + 2);
if (IS_ERR(cs))
return PTR_ERR(cs);
@@ -1450,9 +1496,9 @@ int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
}
*cs++ = MI_NOOP;
- intel_ring_advance(req, cs);
+ intel_ring_advance(rq, cs);
- ret = req->engine->emit_flush(req, EMIT_BARRIER);
+ ret = rq->engine->emit_flush(rq, EMIT_BARRIER);
if (ret)
return ret;
@@ -1464,7 +1510,9 @@ static bool ring_is_idle(struct intel_engine_cs *engine)
struct drm_i915_private *dev_priv = engine->i915;
bool idle = true;
- intel_runtime_pm_get(dev_priv);
+ /* If the whole device is asleep, the engine must be idle */
+ if (!intel_runtime_pm_get_if_in_use(dev_priv))
+ return true;
/* First check that no commands are left in the ring */
if ((I915_READ_HEAD(engine) & HEAD_ADDR) !=
@@ -1503,10 +1551,6 @@ bool intel_engine_is_idle(struct intel_engine_cs *engine)
if (I915_SELFTEST_ONLY(engine->breadcrumbs.mock))
return true;
- /* Interrupt/tasklet pending? */
- if (test_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted))
- return false;
-
/* Waiting to drain ELSP? */
if (READ_ONCE(engine->execlists.active))
return false;
@@ -1554,7 +1598,7 @@ bool intel_engine_has_kernel_context(const struct intel_engine_cs *engine)
{
const struct i915_gem_context * const kernel_context =
engine->i915->kernel_context;
- struct drm_i915_gem_request *rq;
+ struct i915_request *rq;
lockdep_assert_held(&engine->i915->drm.struct_mutex);
@@ -1666,13 +1710,13 @@ unsigned int intel_engines_has_context_isolation(struct drm_i915_private *i915)
}
static void print_request(struct drm_printer *m,
- struct drm_i915_gem_request *rq,
+ struct i915_request *rq,
const char *prefix)
{
- drm_printf(m, "%s%x%s [%x:%x] prio=%d @ %dms: %s\n", prefix,
+ drm_printf(m, "%s%x%s [%llx:%x] prio=%d @ %dms: %s\n", prefix,
rq->global_seqno,
- i915_gem_request_completed(rq) ? "!" : "",
- rq->ctx->hw_id, rq->fence.seqno,
+ i915_request_completed(rq) ? "!" : "",
+ rq->fence.context, rq->fence.seqno,
rq->priotree.priority,
jiffies_to_msecs(jiffies - rq->emitted_jiffies),
rq->timeline->common->name);
@@ -1707,73 +1751,20 @@ static void hexdump(struct drm_printer *m, const void *buf, size_t len)
}
}
-void intel_engine_dump(struct intel_engine_cs *engine,
- struct drm_printer *m,
- const char *header, ...)
+static void intel_engine_print_registers(const struct intel_engine_cs *engine,
+ struct drm_printer *m)
{
- struct intel_breadcrumbs * const b = &engine->breadcrumbs;
- const struct intel_engine_execlists * const execlists = &engine->execlists;
- struct i915_gpu_error * const error = &engine->i915->gpu_error;
struct drm_i915_private *dev_priv = engine->i915;
- struct drm_i915_gem_request *rq;
- struct rb_node *rb;
- char hdr[80];
+ const struct intel_engine_execlists * const execlists =
+ &engine->execlists;
u64 addr;
- if (header) {
- va_list ap;
-
- va_start(ap, header);
- drm_vprintf(m, header, &ap);
- va_end(ap);
- }
-
- if (i915_terminally_wedged(&engine->i915->gpu_error))
- drm_printf(m, "*** WEDGED ***\n");
-
- drm_printf(m, "\tcurrent seqno %x, last %x, hangcheck %x [%d ms], inflight %d\n",
- intel_engine_get_seqno(engine),
- intel_engine_last_submit(engine),
- engine->hangcheck.seqno,
- jiffies_to_msecs(jiffies - engine->hangcheck.action_timestamp),
- engine->timeline->inflight_seqnos);
- drm_printf(m, "\tReset count: %d (global %d)\n",
- i915_reset_engine_count(error, engine),
- i915_reset_count(error));
-
- rcu_read_lock();
-
- drm_printf(m, "\tRequests:\n");
-
- rq = list_first_entry(&engine->timeline->requests,
- struct drm_i915_gem_request, link);
- if (&rq->link != &engine->timeline->requests)
- print_request(m, rq, "\t\tfirst ");
-
- rq = list_last_entry(&engine->timeline->requests,
- struct drm_i915_gem_request, link);
- if (&rq->link != &engine->timeline->requests)
- print_request(m, rq, "\t\tlast ");
-
- rq = i915_gem_find_active_request(engine);
- if (rq) {
- print_request(m, rq, "\t\tactive ");
- drm_printf(m,
- "\t\t[head %04x, postfix %04x, tail %04x, batch 0x%08x_%08x]\n",
- rq->head, rq->postfix, rq->tail,
- rq->batch ? upper_32_bits(rq->batch->node.start) : ~0u,
- rq->batch ? lower_32_bits(rq->batch->node.start) : ~0u);
- }
-
- drm_printf(m, "\tRING_START: 0x%08x [0x%08x]\n",
- I915_READ(RING_START(engine->mmio_base)),
- rq ? i915_ggtt_offset(rq->ring->vma) : 0);
- drm_printf(m, "\tRING_HEAD: 0x%08x [0x%08x]\n",
- I915_READ(RING_HEAD(engine->mmio_base)) & HEAD_ADDR,
- rq ? rq->ring->head : 0);
- drm_printf(m, "\tRING_TAIL: 0x%08x [0x%08x]\n",
- I915_READ(RING_TAIL(engine->mmio_base)) & TAIL_ADDR,
- rq ? rq->ring->tail : 0);
+ drm_printf(m, "\tRING_START: 0x%08x\n",
+ I915_READ(RING_START(engine->mmio_base)));
+ drm_printf(m, "\tRING_HEAD: 0x%08x\n",
+ I915_READ(RING_HEAD(engine->mmio_base)) & HEAD_ADDR);
+ drm_printf(m, "\tRING_TAIL: 0x%08x\n",
+ I915_READ(RING_TAIL(engine->mmio_base)) & TAIL_ADDR);
drm_printf(m, "\tRING_CTL: 0x%08x%s\n",
I915_READ(RING_CTL(engine->mmio_base)),
I915_READ(RING_CTL(engine->mmio_base)) & (RING_WAIT | RING_WAIT_SEMAPHORE) ? " [waiting]" : "");
@@ -1782,6 +1773,11 @@ void intel_engine_dump(struct intel_engine_cs *engine,
I915_READ(RING_MI_MODE(engine->mmio_base)),
I915_READ(RING_MI_MODE(engine->mmio_base)) & (MODE_IDLE) ? " [idle]" : "");
}
+
+ if (INTEL_GEN(dev_priv) >= 6) {
+ drm_printf(m, "\tRING_IMR: %08x\n", I915_READ_IMR(engine));
+ }
+
if (HAS_LEGACY_SEMAPHORES(dev_priv)) {
drm_printf(m, "\tSYNC_0: 0x%08x\n",
I915_READ(RING_SYNC_0(engine->mmio_base)));
@@ -1792,8 +1788,6 @@ void intel_engine_dump(struct intel_engine_cs *engine,
I915_READ(RING_SYNC_2(engine->mmio_base)));
}
- rcu_read_unlock();
-
addr = intel_engine_get_active_head(engine);
drm_printf(m, "\tACTHD: 0x%08x_%08x\n",
upper_32_bits(addr), lower_32_bits(addr));
@@ -1855,10 +1849,13 @@ void intel_engine_dump(struct intel_engine_cs *engine,
rcu_read_lock();
for (idx = 0; idx < execlists_num_ports(execlists); idx++) {
+ struct i915_request *rq;
unsigned int count;
rq = port_unpack(&execlists->port[idx], &count);
if (rq) {
+ char hdr[80];
+
snprintf(hdr, sizeof(hdr),
"\t\tELSP[%d] count=%d, rq: ",
idx, count);
@@ -1877,10 +1874,82 @@ void intel_engine_dump(struct intel_engine_cs *engine,
drm_printf(m, "\tPP_DIR_DCLV: 0x%08x\n",
I915_READ(RING_PP_DIR_DCLV(engine)));
}
+}
+
+void intel_engine_dump(struct intel_engine_cs *engine,
+ struct drm_printer *m,
+ const char *header, ...)
+{
+ struct intel_breadcrumbs * const b = &engine->breadcrumbs;
+ const struct intel_engine_execlists * const execlists = &engine->execlists;
+ struct i915_gpu_error * const error = &engine->i915->gpu_error;
+ struct i915_request *rq;
+ struct rb_node *rb;
+
+ if (header) {
+ va_list ap;
+
+ va_start(ap, header);
+ drm_vprintf(m, header, &ap);
+ va_end(ap);
+ }
+
+ if (i915_terminally_wedged(&engine->i915->gpu_error))
+ drm_printf(m, "*** WEDGED ***\n");
+
+ drm_printf(m, "\tcurrent seqno %x, last %x, hangcheck %x [%d ms], inflight %d\n",
+ intel_engine_get_seqno(engine),
+ intel_engine_last_submit(engine),
+ engine->hangcheck.seqno,
+ jiffies_to_msecs(jiffies - engine->hangcheck.action_timestamp),
+ engine->timeline->inflight_seqnos);
+ drm_printf(m, "\tReset count: %d (global %d)\n",
+ i915_reset_engine_count(error, engine),
+ i915_reset_count(error));
+
+ rcu_read_lock();
+
+ drm_printf(m, "\tRequests:\n");
+
+ rq = list_first_entry(&engine->timeline->requests,
+ struct i915_request, link);
+ if (&rq->link != &engine->timeline->requests)
+ print_request(m, rq, "\t\tfirst ");
+
+ rq = list_last_entry(&engine->timeline->requests,
+ struct i915_request, link);
+ if (&rq->link != &engine->timeline->requests)
+ print_request(m, rq, "\t\tlast ");
+
+ rq = i915_gem_find_active_request(engine);
+ if (rq) {
+ print_request(m, rq, "\t\tactive ");
+ drm_printf(m,
+ "\t\t[head %04x, postfix %04x, tail %04x, batch 0x%08x_%08x]\n",
+ rq->head, rq->postfix, rq->tail,
+ rq->batch ? upper_32_bits(rq->batch->node.start) : ~0u,
+ rq->batch ? lower_32_bits(rq->batch->node.start) : ~0u);
+ drm_printf(m, "\t\tring->start: 0x%08x\n",
+ i915_ggtt_offset(rq->ring->vma));
+ drm_printf(m, "\t\tring->head: 0x%08x\n",
+ rq->ring->head);
+ drm_printf(m, "\t\tring->tail: 0x%08x\n",
+ rq->ring->tail);
+ }
+
+ rcu_read_unlock();
+
+ if (intel_runtime_pm_get_if_in_use(engine->i915)) {
+ intel_engine_print_registers(engine, m);
+ intel_runtime_pm_put(engine->i915);
+ } else {
+ drm_printf(m, "\tDevice is asleep; skipping register dump\n");
+ }
spin_lock_irq(&engine->timeline->lock);
list_for_each_entry(rq, &engine->timeline->requests, link)
print_request(m, rq, "\t\tE ");
+ drm_printf(m, "\t\tQueue priority: %d\n", execlists->queue_priority);
for (rb = execlists->first; rb; rb = rb_next(rb)) {
struct i915_priolist *p =
rb_entry(rb, typeof(*p), node);
@@ -1899,10 +1968,6 @@ void intel_engine_dump(struct intel_engine_cs *engine,
}
spin_unlock_irq(&b->rb_lock);
- if (INTEL_GEN(dev_priv) >= 6) {
- drm_printf(m, "\tRING_IMR: %08x\n", I915_READ_IMR(engine));
- }
-
drm_printf(m, "IRQ? 0x%lx (breadcrumbs? %s) (execlists? %s)\n",
engine->irq_posted,
yesno(test_bit(ENGINE_IRQ_BREADCRUMB,