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Subject[PATCH 4.9 15/64] drm/radeon: disable hard reset in hibernate for APUs
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@amd.com>

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@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
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) {

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