3.7-stable review patch.  If anyone has any objections, please let me know.

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

From: Jerome Glisse <[email protected]>

commit d3493574e267c203836bfdcb9c58d8af46fc0da1 upstream.

Modeset path seems to conflict sometimes with the memory management
leading to kernel deadlock. This move modesetting reset after GPU
acceleration reset.

Signed-off-by: Jerome Glisse <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/gpu/drm/radeon/radeon_device.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1337,7 +1337,6 @@ retry:
        }
 
        radeon_restore_bios_scratch_regs(rdev);
-       drm_helper_resume_force_mode(rdev->ddev);
 
        if (!r) {
                for (i = 0; i < RADEON_NUM_RINGS; ++i) {
@@ -1362,6 +1361,8 @@ retry:
                }
        }
 
+       drm_helper_resume_force_mode(rdev->ddev);
+
        ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
        if (r) {
                /* bad news, how to tell it to userspace ? */


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