From: KyleMahlkuch kmahlkuc@linux.vnet.ibm.com
[ 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 --- 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 2a7977a23b31c..25b5407c74b5a 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -364,11 +364,19 @@ 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)