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amdgpu: make AMDGPU_GEM_CREATE_CPU_GTT_USWC flag default

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amdgpu kernel driver requires USWC flag for allowing bo
allocation in GTT domain, hence enable it by default.

BUG=b:152378755
TEST=On Dali play 4k YouTube video

Signed-off-by: Shirish S <shirish.s@amd.com>
Change-Id: Ic509701f683d184d3fb85b7616dc9a7ed467cfe3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/2128147
Tested-by: Bas Nieuwenhuizen <basni@chromium.org>
Reviewed-by: Bas Nieuwenhuizen <basni@chromium.org>
Reviewed-by: Drew Davenport <ddavenport@chromium.org>
This commit is contained in:
Shirish S 2020-03-31 16:05:33 +05:30 • committed by Commit Bot
parent d708f6108c
commit 4eebcea0cc
1 changed files with 1 additions and 2 deletions
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3
amdgpu.c
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@ -159,8 +159,7 @@ static int amdgpu_create_bo_linear(struct bo *bo, uint32_t width, uint32_t heigh
gem_create.in.domain_flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
gem_create.in.domains = AMDGPU_GEM_DOMAIN_GTT;
if (!(use_flags & (BO_USE_SW_READ_OFTEN | BO_USE_SCANOUT)))
gem_create.in.domain_flags |= AMDGPU_GEM_CREATE_CPU_GTT_USWC;
gem_create.in.domain_flags |= AMDGPU_GEM_CREATE_CPU_GTT_USWC;
/* Allocate the buffer with the preferred heap. */
ret = drmCommandWriteRead(drv_get_fd(bo->drv), DRM_AMDGPU_GEM_CREATE, &gem_create,