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/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index a581fdead4dd..979b00034de9 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -408,13 +408,11 @@ int rs600_irq_process(struct radeon_device *rdev)
                 /* Vertical blank interrupts */
                 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int)) {
                         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);
                 }
                 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(r500_disp_int)) {
                         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);
                 }
                 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(r500_disp_int)) {
                         queue_hotplug = true;