[PATCH] drm/radeon: disable hard reset in hibernate for APUs
Alex Deucher
alexdeucher at gmail.com
Fri Sep 15 18:22:48 UTC 2017
Fixes a hibernation regression on APUs.
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=191571
Fixes: 274ad65c9d02bdc (drm/radeon: hard reset r600 and newer GPU when hibernating.)
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Cc: stable at vger.kernel.org
---
drivers/gpu/drm/radeon/radeon_device.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 997131d..ffc10ca 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1663,7 +1663,7 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend,
radeon_agp_suspend(rdev);
pci_save_state(dev->pdev);
- if (freeze && rdev->family >= CHIP_CEDAR) {
+ if (freeze && rdev->family >= CHIP_CEDAR && !(rdev->flags & RADEON_IS_IGP)) {
rdev->asic->asic_reset(rdev, true);
pci_restore_state(dev->pdev);
} else if (suspend) {
--
2.5.5
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