drm/amdgpu: when resume failed, return error to avoid system hang.

Continuing if the GPU fails to resume will end in pain.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
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/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 83dda05..4aa10d7 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2249,9 +2249,10 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
        }
 
        r = amdgpu_resume(adev);
-       if (r)
+       if (r) {
                DRM_ERROR("amdgpu_resume failed (%d).\n", r);
-
+               return r;
+       }
        amdgpu_fence_driver_resume(adev);
 
        if (resume) {