This is a note to let you know that I've just added the patch titled drm/radeon: disable hard reset in hibernate for APUs to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-radeon-disable-hard-reset-in-hibernate-for-apus.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 820608548737e315c6f93e3099b4e65bde062334 Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexander.deucher@xxxxxxx> Date: Fri, 15 Sep 2017 11:55:27 -0400 Subject: drm/radeon: disable hard reset in hibernate for APUs From: Alex Deucher <alexander.deucher@xxxxxxx> commit 820608548737e315c6f93e3099b4e65bde062334 upstream. 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@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/radeon/radeon_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1674,7 +1674,7 @@ int radeon_suspend_kms(struct drm_device 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) { Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are queue-4.9/drm-radeon-disable-hard-reset-in-hibernate-for-apus.patch