drm/amdgpu: Handling of amdgpu_device_resume return value for gracefu…

…l teardown The runtime resume PM op disregards the return value from amdgpu_device_resume(), masking errors for failed resumes at the PM layer. Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Pavan Kumar Ramayanam <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
grate-driver · Apr 29, 2021 · b45aeb2 · b45aeb2
1 parent 4b12ee6
commit b45aeb2
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1573,6 +1573,9 @@ static int amdgpu_pmops_runtime_resume(struct device *dev)
 		amdgpu_device_baco_exit(drm_dev);
 	}
 	ret = amdgpu_device_resume(drm_dev, false);
+	if (ret)
+		return ret;
+
 	if (amdgpu_device_supports_px(drm_dev))
 		drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
 	adev->in_runpm = false;