[PATCH] Handling of amdgpu_device_resume return value for graceful teardown
pavan.ramayanam at amd.com
pavan.ramayanam at amd.com
Tue Apr 27 04:51:18 UTC 2021
From: Pavan Kumar Ramayanam <pavan.ramayanam at amd.com>
The runtime resume PM op disregards the return value from
amdgpu_device_resume(), masking errors for failed resumes at the PM
layer.
Signed-off-by: Pavan Kumar Ramayanam <pavan.ramayanam at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 0369d3532bf0..03f3cf194300 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1574,6 +1574,9 @@ 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;
--
2.17.1
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