summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_overlay.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 495625914e4a..d7bc817f51a0 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -341,9 +341,17 @@ static int intel_overlay_off(struct intel_overlay *overlay)
intel_ring_emit(ring, flip_addr);
intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
/* turn overlay off */
- intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
- intel_ring_emit(ring, flip_addr);
- intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+ if (IS_I830(dev)) {
+ /* Workaround: Don't disable the overlay fully, since otherwise
+ * it dies on the next OVERLAY_ON cmd. */
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_emit(ring, MI_NOOP);
+ } else {
+ intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
+ intel_ring_emit(ring, flip_addr);
+ intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+ }
intel_ring_advance(ring);
return intel_overlay_do_wait_request(overlay, intel_overlay_off_tail);