diff options
| 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_vm.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_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 5848564d3d66..f68b7cdc370a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1099,7 +1099,9 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, r = amdgpu_bo_create(adev, AMDGPU_VM_PTE_COUNT * 8, AMDGPU_GPU_PAGE_SIZE, true, - AMDGPU_GEM_DOMAIN_VRAM, 0, NULL, &pt); + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_CREATE_NO_CPU_ACCESS, + NULL, &pt); if (r) goto error_free; @@ -1299,7 +1301,8 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm) vm->page_directory_fence = NULL; r = amdgpu_bo_create(adev, pd_size, align, true, - AMDGPU_GEM_DOMAIN_VRAM, 0, + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_CREATE_NO_CPU_ACCESS, NULL, &vm->page_directory); if (r) return r; |