drm/amdgpu: be explicit about cpu vram access for driver BOs (v2)

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_ttm.c

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 399143541d8a2c377967d8df3183a62a594abced..b5abd5cde413ffaa42934aa0bf4a731ec8bb8fe2 100644 (file)
--- 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;