On Fri, Oct 25, 2019 at 4:44 PM KyleMahlkuch kmahlkuc@linux.vnet.ibm.com wrote:
From: Kyle Mahlkuch kmahlkuc@linux.vnet.ibm.com
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. Enabled only on PPC because this patch causes issues on some other boards.
Signed-off-by: Kyle Mahlkuch kmahlkuc@linux.vnet.ibm.com
Applied. Thanks!
Alex
drivers/gpu/drm/radeon/radeon_drv.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 9e55076..4528f4d 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -379,11 +379,25 @@ static int radeon_pci_probe(struct pci_dev *pdev, static void radeon_pci_shutdown(struct pci_dev *pdev) { +#ifdef CONFIG_PPC64
struct drm_device *ddev = pci_get_drvdata(pdev);+#endif
/* 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);+#ifdef CONFIG_PPC64
/* Some adapters need to be suspended before a* shutdown occurs in order to prevent an error* during kexec.* Make this power specific becauase it breaks* some non-power boards.*/radeon_suspend_kms(ddev, true, true, false);+#endif }
static int radeon_pmops_suspend(struct device *dev)
1.8.3.1
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