drm/radeon/kms: use wait queue (events) for VBLANK sync
This already simplifies code significally and makes it maintaible
in case of adding memory reclocking plus voltage changing in future.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index a1c937d..c90f8d3 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -645,6 +645,7 @@
mutex_init(&rdev->pm.mutex);
rwlock_init(&rdev->fence_drv.lock);
INIT_LIST_HEAD(&rdev->gem.objects);
+ init_waitqueue_head(&rdev->irq.vblank_queue);
/* setup workqueue */
rdev->wq = create_workqueue("radeon");
