drm/radeon: Update IH_RB_RPTR register after each processed interrupt
[linux-2.6-block.git] / drivers / gpu / drm / radeon / r600.c
index 81f3236de1b4f2ae176a423e5d363d25eaf09e4c..ea5c9af722ef9f5d322d61a9d0ff628f8daa151f 100644 (file)
@@ -4048,6 +4048,7 @@ restart_ih:
                /* wptr/rptr are in bytes! */
                rptr += 16;
                rptr &= rdev->ih.ptr_mask;
+               WREG32(IH_RB_RPTR, rptr);
        }
        if (queue_hotplug)
                schedule_work(&rdev->hotplug_work);
@@ -4056,7 +4057,6 @@ restart_ih:
        if (queue_thermal && rdev->pm.dpm_enabled)
                schedule_work(&rdev->pm.dpm.thermal.work);
        rdev->ih.rptr = rptr;
-       WREG32(IH_RB_RPTR, rdev->ih.rptr);
        atomic_set(&rdev->ih.lock, 0);
 
        /* make sure wptr hasn't changed while processing */