[PATCH 5.15 225/530] drm/amdgpu: add missing pci_disable_device() in amdgpu_pmops_runtime_resume()

From: Greg Kroah-Hartman
Date: Mon Oct 24 2022 - 12:41:05 EST


From: Yang Yingliang <yangyingliang@xxxxxxxxxx>

[ Upstream commit 6b11af6d1c8f5d4135332bb932baaa06e511173d ]

Add missing pci_disable_device() if amdgpu_device_resume() fails.

Fixes: 8e4d5d43cc6c ("drm/amdgpu: Handling of amdgpu_device_resume return value for graceful teardown")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index f65b4b233ffb..28dea2eb61c7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2415,8 +2415,11 @@ static int amdgpu_pmops_runtime_resume(struct device *dev)
amdgpu_device_baco_exit(drm_dev);
}
ret = amdgpu_device_resume(drm_dev, false);
- if (ret)
+ if (ret) {
+ if (amdgpu_device_supports_px(drm_dev))
+ pci_disable_device(pdev);
return ret;
+ }

if (amdgpu_device_supports_px(drm_dev))
drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
--
2.35.1