diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index dfd22db13fb1..cc3b067e1ec6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -834,6 +834,45 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) sg_free_table(ttm->sg); } +int amdgpu_ttm_gart_bind(struct amdgpu_device *adev, + struct ttm_buffer_object *tbo, + uint64_t flags) +{ + struct amdgpu_bo *abo = ttm_to_amdgpu_bo(tbo); + struct ttm_tt *ttm = tbo->ttm; + struct amdgpu_ttm_tt *gtt = (void *)ttm; + int r; + + if (abo->flags & AMDGPU_GEM_CREATE_MQD_GFX9) { + uint64_t page_idx = 1; + + r = amdgpu_gart_bind(adev, gtt->offset, page_idx, + ttm->pages, gtt->ttm.dma_address, flags); + if (r) + goto gart_bind_fail; + + /* Patch mtype of the second part BO */ + flags &= ~AMDGPU_PTE_MTYPE_MASK; + flags |= AMDGPU_PTE_MTYPE(AMDGPU_MTYPE_NC); + + r = amdgpu_gart_bind(adev, + gtt->offset + (page_idx << PAGE_SHIFT), + ttm->num_pages - page_idx, + &ttm->pages[page_idx], + &(gtt->ttm.dma_address[page_idx]), flags); + } else { + r = amdgpu_gart_bind(adev, gtt->offset, ttm->num_pages, + ttm->pages, gtt->ttm.dma_address, flags); + } + +gart_bind_fail: + if (r) + DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", + ttm->num_pages, gtt->offset); + + return r; +} + static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) { @@ -907,8 +946,7 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo) flags = amdgpu_ttm_tt_pte_flags(adev, bo->ttm, &tmp); gtt->offset = (u64)tmp.start << PAGE_SHIFT; - r = amdgpu_gart_bind(adev, gtt->offset, bo->ttm->num_pages, - bo->ttm->pages, gtt->ttm.dma_address, flags); + r = amdgpu_ttm_gart_bind(adev, bo, flags); if (unlikely(r)) { ttm_bo_mem_put(bo, &tmp); return r; @@ -925,19 +963,15 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo) int amdgpu_ttm_recover_gart(struct ttm_buffer_object *tbo) { struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev); - struct amdgpu_ttm_tt *gtt = (void *)tbo->ttm; uint64_t flags; int r; - if (!gtt) + if (!tbo->ttm) return 0; - flags = amdgpu_ttm_tt_pte_flags(adev, >t->ttm.ttm, &tbo->mem); - r = amdgpu_gart_bind(adev, gtt->offset, gtt->ttm.ttm.num_pages, - gtt->ttm.ttm.pages, gtt->ttm.dma_address, flags); - if (r) - DRM_ERROR("failed to bind %lu pages at 0x%08llX\n", - gtt->ttm.ttm.num_pages, gtt->offset); + flags = amdgpu_ttm_tt_pte_flags(adev, tbo->ttm, &tbo->mem); + r = amdgpu_ttm_gart_bind(adev, tbo, flags); + return r; } |