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Diffstat (limited to 'linux-core/nouveau_bo.c')
-rw-r--r--linux-core/nouveau_bo.c296
1 files changed, 0 insertions, 296 deletions
diff --git a/linux-core/nouveau_bo.c b/linux-core/nouveau_bo.c
deleted file mode 100644
index ab3b23a4..00000000
--- a/linux-core/nouveau_bo.c
+++ /dev/null
@@ -1,296 +0,0 @@
-/*
- * Copyright 2007 Dave Airlied
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-/*
- * Authors: Dave Airlied <airlied@linux.ie>
- * Ben Skeggs <darktama@iinet.net.au>
- * Jeremy Kolb <jkolb@brandeis.edu>
- */
-
-#include "drmP.h"
-#include "nouveau_drm.h"
-#include "nouveau_drv.h"
-#include "nouveau_dma.h"
-
-static struct drm_ttm_backend *
-nouveau_bo_create_ttm_backend_entry(struct drm_device * dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- switch (dev_priv->gart_info.type) {
- case NOUVEAU_GART_AGP:
- return drm_agp_init_ttm(dev);
- case NOUVEAU_GART_SGDMA:
- return nouveau_sgdma_init_ttm(dev);
- default:
- DRM_ERROR("Unknown GART type %d\n", dev_priv->gart_info.type);
- break;
- }
-
- return NULL;
-}
-
-static int
-nouveau_bo_fence_type(struct drm_buffer_object *bo,
- uint32_t *fclass, uint32_t *type)
-{
- /* When we get called, *fclass is set to the requested fence class */
-
- if (bo->mem.proposed_flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
- *type = 3;
- else
- *type = 1;
- return 0;
-
-}
-
-static int
-nouveau_bo_invalidate_caches(struct drm_device *dev, uint64_t buffer_flags)
-{
- /* We'll do this from user space. */
- return 0;
-}
-
-static int
-nouveau_bo_init_mem_type(struct drm_device *dev, uint32_t type,
- struct drm_mem_type_manager *man)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- switch (type) {
- case DRM_BO_MEM_LOCAL:
- man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
- _DRM_FLAG_MEMTYPE_CACHED;
- man->drm_bus_maptype = 0;
- break;
- case DRM_BO_MEM_VRAM:
- man->flags = _DRM_FLAG_MEMTYPE_FIXED |
- _DRM_FLAG_MEMTYPE_MAPPABLE |
- _DRM_FLAG_NEEDS_IOREMAP;
- man->io_addr = NULL;
- man->drm_bus_maptype = _DRM_FRAME_BUFFER;
- man->io_offset = drm_get_resource_start(dev, 1);
- man->io_size = drm_get_resource_len(dev, 1);
- if (man->io_size > nouveau_mem_fb_amount(dev))
- man->io_size = nouveau_mem_fb_amount(dev);
- break;
- case DRM_BO_MEM_PRIV0:
- /* Unmappable VRAM */
- man->flags = _DRM_FLAG_MEMTYPE_CMA;
- man->drm_bus_maptype = 0;
- break;
- case DRM_BO_MEM_TT:
- switch (dev_priv->gart_info.type) {
- case NOUVEAU_GART_AGP:
- man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
- _DRM_FLAG_MEMTYPE_CSELECT |
- _DRM_FLAG_NEEDS_IOREMAP;
- man->drm_bus_maptype = _DRM_AGP;
- break;
- case NOUVEAU_GART_SGDMA:
- man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
- _DRM_FLAG_MEMTYPE_CSELECT |
- _DRM_FLAG_MEMTYPE_CMA;
- man->drm_bus_maptype = _DRM_SCATTER_GATHER;
- break;
- default:
- DRM_ERROR("Unknown GART type: %d\n",
- dev_priv->gart_info.type);
- return -EINVAL;
- }
-
- man->io_offset = dev_priv->gart_info.aper_base;
- man->io_size = dev_priv->gart_info.aper_size;
- man->io_addr = NULL;
- break;
- default:
- DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
- return -EINVAL;
- }
- return 0;
-}
-
-static uint64_t
-nouveau_bo_evict_flags(struct drm_buffer_object *bo)
-{
- switch (bo->mem.mem_type) {
- case DRM_BO_MEM_LOCAL:
- case DRM_BO_MEM_TT:
- return DRM_BO_FLAG_MEM_LOCAL;
- default:
- return DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_CACHED;
- }
- return 0;
-}
-
-
-/* GPU-assisted copy using NV_MEMORY_TO_MEMORY_FORMAT, can access
- * DRM_BO_MEM_{VRAM,PRIV0,TT} directly.
- */
-static int
-nouveau_bo_move_m2mf(struct drm_buffer_object *bo, int evict, int no_wait,
- struct drm_bo_mem_reg *new_mem)
-{
- struct drm_device *dev = bo->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_drm_channel *dchan = &dev_priv->channel;
- struct drm_bo_mem_reg *old_mem = &bo->mem;
- uint32_t srch, dsth, page_count;
-
- /* Can happen during init/takedown */
- if (!dchan->chan)
- return -EINVAL;
-
- srch = old_mem->mem_type == DRM_BO_MEM_TT ? NvDmaTT : NvDmaFB;
- dsth = new_mem->mem_type == DRM_BO_MEM_TT ? NvDmaTT : NvDmaFB;
- if (srch != dchan->m2mf_dma_source || dsth != dchan->m2mf_dma_destin) {
- dchan->m2mf_dma_source = srch;
- dchan->m2mf_dma_destin = dsth;
-
- BEGIN_RING(NvSubM2MF,
- NV_MEMORY_TO_MEMORY_FORMAT_SET_DMA_SOURCE, 2);
- OUT_RING (dchan->m2mf_dma_source);
- OUT_RING (dchan->m2mf_dma_destin);
- }
-
- page_count = new_mem->num_pages;
- while (page_count) {
- int line_count = (page_count > 2047) ? 2047 : page_count;
-
- BEGIN_RING(NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);
- OUT_RING (old_mem->mm_node->start << PAGE_SHIFT);
- OUT_RING (new_mem->mm_node->start << PAGE_SHIFT);
- OUT_RING (PAGE_SIZE); /* src_pitch */
- OUT_RING (PAGE_SIZE); /* dst_pitch */
- OUT_RING (PAGE_SIZE); /* line_length */
- OUT_RING (line_count);
- OUT_RING ((1<<8)|(1<<0));
- OUT_RING (0);
- BEGIN_RING(NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
- OUT_RING (0);
-
- page_count -= line_count;
- }
-
- return drm_bo_move_accel_cleanup(bo, evict, no_wait, dchan->chan->id,
- DRM_FENCE_TYPE_EXE, 0, new_mem);
-}
-
-/* Flip pages into the GART and move if we can. */
-static int
-nouveau_bo_move_flipd(struct drm_buffer_object *bo, int evict, int no_wait,
- struct drm_bo_mem_reg *new_mem)
-{
- struct drm_device *dev = bo->dev;
- struct drm_bo_mem_reg tmp_mem;
- int ret;
-
- tmp_mem = *new_mem;
- tmp_mem.mm_node = NULL;
- tmp_mem.proposed_flags = (DRM_BO_FLAG_MEM_TT |
- DRM_BO_FLAG_CACHED |
- DRM_BO_FLAG_FORCE_CACHING);
-
- ret = drm_bo_mem_space(bo, &tmp_mem, no_wait);
- if (ret)
- return ret;
-
- ret = drm_ttm_bind(bo->ttm, &tmp_mem);
- if (ret)
- goto out_cleanup;
-
- ret = nouveau_bo_move_m2mf(bo, 1, no_wait, &tmp_mem);
- if (ret)
- goto out_cleanup;
-
- ret = drm_bo_move_ttm(bo, evict, no_wait, new_mem);
-
-out_cleanup:
- if (tmp_mem.mm_node) {
- mutex_lock(&dev->struct_mutex);
- if (tmp_mem.mm_node != bo->pinned_node)
- drm_mm_put_block(tmp_mem.mm_node);
- tmp_mem.mm_node = NULL;
- mutex_unlock(&dev->struct_mutex);
- }
-
- return ret;
-}
-
-static int
-nouveau_bo_move(struct drm_buffer_object *bo, int evict, int no_wait,
- struct drm_bo_mem_reg *new_mem)
-{
- struct drm_bo_mem_reg *old_mem = &bo->mem;
-
- if (new_mem->mem_type == DRM_BO_MEM_LOCAL) {
- if (old_mem->mem_type == DRM_BO_MEM_LOCAL)
- return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
- if (nouveau_bo_move_flipd(bo, evict, no_wait, new_mem))
- return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
- }
- else
- if (old_mem->mem_type == DRM_BO_MEM_LOCAL) {
- if (1 /*nouveau_bo_move_flips(bo, evict, no_wait, new_mem)*/)
- return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
- }
- else {
- if (nouveau_bo_move_m2mf(bo, evict, no_wait, new_mem))
- return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
- }
-
- return 0;
-}
-
-static void
-nouveau_bo_flush_ttm(struct drm_ttm *ttm)
-{
-}
-
-static uint32_t nouveau_mem_prios[] = {
- DRM_BO_MEM_PRIV0,
- DRM_BO_MEM_VRAM,
- DRM_BO_MEM_TT,
- DRM_BO_MEM_LOCAL
-};
-static uint32_t nouveau_busy_prios[] = {
- DRM_BO_MEM_TT,
- DRM_BO_MEM_PRIV0,
- DRM_BO_MEM_VRAM,
- DRM_BO_MEM_LOCAL
-};
-
-struct drm_bo_driver nouveau_bo_driver = {
- .mem_type_prio = nouveau_mem_prios,
- .mem_busy_prio = nouveau_busy_prios,
- .num_mem_type_prio = sizeof(nouveau_mem_prios)/sizeof(uint32_t),
- .num_mem_busy_prio = sizeof(nouveau_busy_prios)/sizeof(uint32_t),
- .create_ttm_backend_entry = nouveau_bo_create_ttm_backend_entry,
- .fence_type = nouveau_bo_fence_type,
- .invalidate_caches = nouveau_bo_invalidate_caches,
- .init_mem_type = nouveau_bo_init_mem_type,
- .evict_flags = nouveau_bo_evict_flags,
- .move = nouveau_bo_move,
- .ttm_cache_flush= nouveau_bo_flush_ttm,
- .command_stream_barrier = NULL
-};
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-23 15:14:43 +0000