6.11-stable review patch. If anyone has any objections, please let me know.
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From: Rodrigo Vivi rodrigo.vivi@intel.com
[ Upstream commit cffa8e83df9fe525afad1e1099097413f9174f57 ]
The pci state was saved, but not restored. Restore right after the power state transition request like every other driver.
v2: Use right fixes tag, since this was there initialy, but accidentally removed.
Fixes: f6761c68c0ac ("drm/xe/display: Improve s2idle handling.") Cc: Maarten Lankhorst maarten.lankhorst@linux.intel.com Cc: Lucas De Marchi lucas.demarchi@intel.com Reviewed-by: Jonathan Cavitt jonathan.cavitt@intel.com Signed-off-by: Rodrigo Vivi rodrigo.vivi@intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20240912214507.456897-1-rodrig... Signed-off-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com (cherry picked from commit ec2d1539e159f53eae708e194c449cfefa004994) Signed-off-by: Lucas De Marchi lucas.demarchi@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/xe/xe_pci.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c index 732ee0d02124f..5929ac61dbe0a 100644 --- a/drivers/gpu/drm/xe/xe_pci.c +++ b/drivers/gpu/drm/xe/xe_pci.c @@ -924,6 +924,8 @@ static int xe_pci_resume(struct device *dev) if (err) return err;
+ pci_restore_state(pdev); + err = pci_enable_device(pdev); if (err) return err;