Am 07.10.2016 um 23:19 schrieb Felix Kuehling:
On 16-09-27 05:49 AM, Christian König wrote:--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1195,6 +1195,15 @@ int amdgpu_cs_sysvm_access_required(struct amdgpu_cs_parser *parser) r = amdgpu_ttm_bind(&bo->tbo, &bo->tbo.mem); if (unlikely(r)) return r; + + if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS) + continue;Should you also continue if the BO is not VRAM?
No, the placement of the BO at this point isn't final. For older UVD blocks this can still be shuffled around to fulfill the placement restrictions.
So the BO could still move into VRAM even after this. Regards, Christian.
Regards, Felix+ + bo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS; + amdgpu_ttm_placement_from_domain(bo, bo->allowed_domains); + r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false); + if (unlikely(r)) + return r; }return 0;
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