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authorKyleMahlkuch <kmahlkuc@linux.vnet.ibm.com>2019-07-31 17:10:14 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-10-07 18:53:09 +0200
commit96aed711d302f50162c4a25762e2fde6bf189396 (patch)
tree4b75015416a3a205db6c7f3698044485a6f06a65 /drivers
parente68cb861bf61895bf9d23b01c5cd19bcc3f4b530 (diff)
drm/radeon: Fix EEH during kexec
[ 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@linux.vnet.ibm.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 30bd4a6a9d46..3ccf5b28b326 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -366,11 +366,19 @@ 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)