linux-kernel - [PATCH -next] drm/amdgpu: add missing pci_disable_device() in amdgpu_pmops_runtime

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Date:   Fri, 26 Aug 2022 16:57:54 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <amd-gfx@...ts.freedesktop.org>
CC:     <alexander.deucher@....com>, <pavan.ramayanam@....com>
Subject: [PATCH -next] drm/amdgpu: add missing pci_disable_device() in amdgpu_pmops_runtime_resume()

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@...wei.com>
---
 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 429fcdf28836..de7144b06e93 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2563,8 +2563,11 @@ 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;
-- 
2.25.1