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>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index 1a984c934b1f..76982438d1c6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -141,7 +141,9 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
         /* allocate firmware, stack and heap BO */
 
         r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
-                             AMDGPU_GEM_DOMAIN_VRAM, 0, NULL, &adev->vce.vcpu_bo);
+                             AMDGPU_GEM_DOMAIN_VRAM,
+                             AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+                             NULL, &adev->vce.vcpu_bo);
         if (r) {
                 dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
                 return r;