From: Russell King <rmk+kernel@armlinux.org.uk>
Date: Sat, 8 Jul 2017 10:22:34 +0100
Subject: drm/armada: wait for previous work when moving overlay window
Git-commit: 07da3c787a273b6d8478b416a694a740c85bdf72
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
We must wait for the previous plane work to complete before moving
the overlay window, as it could overwrite our positioning update.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/armada/armada_overlay.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/armada/armada_overlay.c
+++ b/drivers/gpu/drm/armada/armada_overlay.c
@@ -239,16 +239,16 @@ armada_ovl_plane_update(struct drm_plane
if (!dplane->base.state.changed)
return 0;
+ /* Wait for pending work to complete */
+ if (armada_drm_plane_work_wait(&dplane->base, HZ / 25) == 0)
+ armada_drm_plane_work_cancel(dcrtc, &dplane->base);
+
/* Just updating the position/size? */
if (!dplane->base.state.vsync_update) {
armada_ovl_plane_work(dcrtc, work);
return 0;
}
- /* Wait for pending work to complete */
- if (armada_drm_plane_work_wait(&dplane->base, HZ / 25) == 0)
- armada_drm_plane_work_cancel(dcrtc, &dplane->base);
-
if (!dcrtc->plane) {
dcrtc->plane = plane;
armada_ovl_update_attr(&dplane->prop, dcrtc);