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authorFelix Kuehling <Felix.Kuehling@amd.com>2021-01-25 17:34:35 -0500
committerAlex Deucher <alexander.deucher@amd.com>2021-01-25 17:45:10 -0500
commiteda1068dc995fbc87eee04496a3414372a8ef63d (patch)
treeb46500b50e58e297b6b9d42c7c0683b36c688279 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
parentdcb820d185f50d34d0b8ca21230d8d57e0aca7cc (diff)
downloadlinux-eda1068dc995fbc87eee04496a3414372a8ef63d.tar.bz2
drm/amdgpu: Make contiguous pinning optional
Enable pinning of VRAM without forcing it to be contiguous. When memory is already pinned, make sure it's contiguous if requested. Suggested-by: Christian König <christian.koenig@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 6cc9919b12cc..52f98e370a87 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -911,10 +911,15 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
if (bo->tbo.pin_count) {
uint32_t mem_type = bo->tbo.mem.mem_type;
+ uint32_t mem_flags = bo->tbo.mem.placement;
if (!(domain & amdgpu_mem_type_to_domain(mem_type)))
return -EINVAL;
+ if ((bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS) &&
+ !(mem_flags & TTM_PL_FLAG_CONTIGUOUS))
+ return -EINVAL;
+
ttm_bo_pin(&bo->tbo);
if (max_offset != 0) {
@@ -930,7 +935,6 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
if (bo->tbo.base.import_attach)
dma_buf_pin(bo->tbo.base.import_attach);
- bo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
/* force to pin into visible video ram */
if (!(bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS))
bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
@@ -983,6 +987,7 @@ error:
*/
int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain)
{
+ bo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
return amdgpu_bo_pin_restricted(bo, domain, 0, 0);
}