From: KyleMahlkuch <kmahlkuc@xxxxxxxxxxxxxxxxxx>
[ Upstream commit 6f7fe9a93e6c09bf988c5059403f5f88e17e21e6 ]
During kexec some adapters hit an EEH since they are not properly
shut down in the radeon_pci_shutdown() function. Adding
radeon_suspend_kms() fixes this issue.
Signed-off-by: KyleMahlkuch <kmahlkuc@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_drv.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index f4becad0a78c0..54d97dd5780a1 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -368,11 +368,19 @@ radeon_pci_remove(struct pci_dev *pdev)
static void
radeon_pci_shutdown(struct pci_dev *pdev)
{
+ struct drm_device *ddev = pci_get_drvdata(pdev);
+
/* if we are running in a VM, make sure the device
* torn down properly on reboot/shutdown
*/
if (radeon_device_is_virtual())
radeon_pci_remove(pdev);
+
+ /* Some adapters need to be suspended before a
+ * shutdown occurs in order to prevent an error
+ * during kexec.
+ */
+ radeon_suspend_kms(ddev, true, true, false);
}
static int radeon_pmops_suspend(struct device *dev)
--
2.20.1
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