[PATCH 13/23] drm: omapdrm: crtc: update plane fifos on lcd config change

[Sebastian Reichel]

Due to a hardware bug, FIFOs thresholds must be
configured very carefully for manually updated
displays.

Signed-off-by: Sebastian Reichel <sre at kernel.org>
---
 drivers/gpu/drm/omapdrm/omap_crtc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c 
b/drivers/gpu/drm/omapdrm/omap_crtc.c
index 8967013c1fb5..094e89a2fa94 100644
--- a/drivers/gpu/drm/omapdrm/omap_crtc.c
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
@@ -253,6 +253,10 @@ static void omap_crtc_dss_set_lcd_config(struct 
omap_overlay_manager *mgr,
        omap_crtc->manually_updated = dss_lcd_mgr_config_get_stallmode(config);

        dispc_mgr_set_lcd_config(omap_crtc->channel, config);
+
+       drm_for_each_plane(plane, dev) {
+               omap_plane_update_fifo(plane);
+       }
 }

 static int omap_crtc_dss_register_framedone(
-- 
2.7.0