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author | Alex Deucher <alexander.deucher@amd.com> | 2015-08-27 00:14:16 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2015-09-03 10:29:32 -0400 |
commit | 857d913d057f8e7330e9f17eaa2b0eb7ad492c33 (patch) | |
tree | b87cd7e95038a9be3de7c01ce23f4f476a28cdb7 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
parent | bddf8026386927985ef6d0d11c3ba78f70b76bad (diff) | |
download | op-kernel-dev-857d913d057f8e7330e9f17eaa2b0eb7ad492c33.zip op-kernel-dev-857d913d057f8e7330e9f17eaa2b0eb7ad492c33.tar.gz |
drm/amdgpu: be explicit about cpu vram access for driver BOs (v2)
For kernel driver BOs, be explicit about whether we need
vram access up front. This avoids unecessary migrations and
avoids using visible vram for buffers were it's not needed.
v2: line wrap fixes
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_ttm.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 3991435..b5abd5c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -859,7 +859,8 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size); r = amdgpu_bo_create(adev, 256 * 1024, PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_VRAM, 0, + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, NULL, &adev->stollen_vga_memory); if (r) { return r; |