drm/amdgpu: don't evict vram on APUs for suspend to ram (v4)

Vram is system memory, so no need to evict. v2: use PM_EVENT messages v3: use correct dev v4: use driver flags Reviewed-by: Evan Quan <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
simonjhall · Apr 9, 2021 · 48ccbf7 · 48ccbf7
1 parent 6249873
commit 48ccbf7
Showing 1 changed file with 2 additions and 5 deletions.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -1024,13 +1024,10 @@ int amdgpu_bo_evict_vram(struct amdgpu_device *adev)
 {
 	struct ttm_resource_manager *man;
 
-	/* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */
-#ifndef CONFIG_HIBERNATION
-	if (adev->flags & AMD_IS_APU) {
-		/* Useless to evict on IGP chips */
+	if (adev->in_s3 && (adev->flags & AMD_IS_APU)) {
+		/* No need to evict vram on APUs for suspend to ram */
 		return 0;
 	}
-#endif
 
 	man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
 	return ttm_resource_manager_evict_all(&adev->mman.bdev, man);