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>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 65daf55af2d9..05769fa77a21 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2744,8 +2744,7 @@ restart_ih:
                         case 0: /* D1 vblank */
                                 if (disp_int & LB_D1_VBLANK_INTERRUPT) {
                                         drm_handle_vblank(rdev->ddev, 0);
-                                        if (rdev->pm.vblank_callback)
-                                                queue_work(rdev->wq, &rdev->pm.reclock_work);
+                                        wake_up(&rdev->irq.vblank_queue);
                                         disp_int &= ~LB_D1_VBLANK_INTERRUPT;
                                         DRM_DEBUG("IH: D1 vblank\n");
                                 }
@@ -2766,8 +2765,7 @@ restart_ih:
                         case 0: /* D2 vblank */
                                 if (disp_int & LB_D2_VBLANK_INTERRUPT) {
                                         drm_handle_vblank(rdev->ddev, 1);
-                                        if (rdev->pm.vblank_callback)
-                                                queue_work(rdev->wq, &rdev->pm.reclock_work);
+                                        wake_up(&rdev->irq.vblank_queue);
                                         disp_int &= ~LB_D2_VBLANK_INTERRUPT;
                                         DRM_DEBUG("IH: D2 vblank\n");
                                 }