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authorChristian König <christian.koenig@amd.com>2017-10-16 10:32:04 +0200
committerAlex Deucher <alexander.deucher@amd.com>2017-10-19 15:27:21 -0400
commit4b6b691ee38abae8842aed61d442dfb315c45789 (patch)
tree3e2bd4e827f45c68c749e981f4d952615f3c50a3 /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
parent658b93913e7a8a8d418b6d1208e88ddacc4d245d (diff)
downloadop-kernel-dev-4b6b691ee38abae8842aed61d442dfb315c45789.zip
op-kernel-dev-4b6b691ee38abae8842aed61d442dfb315c45789.tar.gz
drm/amdgpu: linear validate first then bind to GART
For VM emulation for old UVD/VCE we need to validate the BO with linear VRAM flag set first and then eventually bind it to GART. Validating with linear VRAM flag set can move the BO to GART making UVD/VCE read/write from an unbound GART BO. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> CC: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 32cf83e..f7fceb6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1582,14 +1582,14 @@ int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
if (READ_ONCE((*bo)->tbo.resv->lock.ctx) != &parser->ticket)
return -EINVAL;
- r = amdgpu_ttm_bind(&(*bo)->tbo, &(*bo)->tbo.mem);
- if (unlikely(r))
- return r;
-
- if ((*bo)->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS)
- return 0;
+ if (!((*bo)->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS)) {
+ (*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 (r)
+ return r;
+ }
- (*bo)->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
- amdgpu_ttm_placement_from_domain(*bo, (*bo)->allowed_domains);
- return ttm_bo_validate(&(*bo)->tbo, &(*bo)->placement, false, false);
+ return amdgpu_ttm_bind(&(*bo)->tbo, &(*bo)->tbo.mem);
}
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