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| author | Alex Deucher <alexander.deucher@amd.com> | 2015-08-27 00:14:16 -0400 |
|---|---|---|
| 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) | |
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 399143541d8a..b5abd5cde413 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; |