[PATCH AUTOSEL 5.6 065/149] drm/amdgpu: Fix missing error check in suspend

Sasha Levin
2020-04-11T23:46:36Z

From: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>

[ Upstream commit 70bedd68e7b3a7f1d7f3198bb698fc23bc5aaa68 ]

amdgpu_device_suspend might return an error code since it can be called
from both runtime and system suspend flows. Add the missing return code
in case of a failure.

Reviewed-by: Oak Zeng <oak.zeng@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 42f4febe24c6d..921e2944255b2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1225,6 +1225,9 @@ static int amdgpu_pmops_runtime_suspend(struct device *dev)
drm_kms_helper_poll_disable(drm_dev);

ret = amdgpu_device_suspend(drm_dev, false);
+ if (ret)
+ return ret;
+
if (amdgpu_device_supports_boco(drm_dev)) {
/* Only need to handle PCI state in the driver for ATPX
* PCI core handles it for _PR3.
--
2.20.1