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drm/armada: wait for previous work when moving overlay window

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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>
This commit is contained in:
Russell King
2017-07-08 10:22:34 +01:00
parent 65843e9af7
commit 07da3c787a
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/armada/armada_overlay.c
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@@ -239,16 +239,16 @@ armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
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);