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>
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
index c6f1e2f..c900aa9 100644
--- a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
@@ -623,7 +623,9 @@
/* Allocate FW image data structure and header buffer */
ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
- true, AMDGPU_GEM_DOMAIN_VRAM, 0, NULL, toc_buf);
+ true, AMDGPU_GEM_DOMAIN_VRAM,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+ NULL, toc_buf);
if (ret) {
DRM_ERROR("Failed to allocate memory for TOC buffer\n");
return -ENOMEM;