From 819da60d77c9f0ec9f069cb27952501562a2e17a Mon Sep 17 00:00:00 2001 From: Liu Ying Date: Fri, 1 Jul 2022 14:56:33 +0800 Subject: [PATCH] drm/bridge: fsl-ldb: Enable split mode for LVDS dual link When LVDS dual link is used, we have to enable the LDB_CTRL_SPLIT_MODE bit. Fixes: 463db5c2ed4a ("drm: bridge: ldb: Implement simple Freescale i.MX8MP LDB bridge") Cc: Andrzej Hajda Cc: Neil Armstrong Cc: Robert Foss Cc: Laurent Pinchart Cc: Jonas Karlman Cc: Jernej Skrabec Cc: David Airlie Cc: Daniel Vetter Cc: Sam Ravnborg Cc: Marek Vasut Cc: NXP Linux Team Signed-off-by: Liu Ying Reviewed-by: Marek Vasut Signed-off-by: Robert Foss Link: https://patchwork.freedesktop.org/patch/msgid/20220701065634.4027537-3-victor.liu@nxp.com Link: https://patchwork.freedesktop.org/patch/msgid/20220701065634.4027537-4-victor.liu@nxp.com --- drivers/gpu/drm/bridge/fsl-ldb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/fsl-ldb.c b/drivers/gpu/drm/bridge/fsl-ldb.c index 846cd06ab2fe..f9e0f8d99268 100644 --- a/drivers/gpu/drm/bridge/fsl-ldb.c +++ b/drivers/gpu/drm/bridge/fsl-ldb.c @@ -138,7 +138,7 @@ static void fsl_ldb_atomic_enable(struct drm_bridge *bridge, reg = LDB_CTRL_CH0_ENABLE; if (fsl_ldb->lvds_dual_link) - reg |= LDB_CTRL_CH1_ENABLE; + reg |= LDB_CTRL_CH1_ENABLE | LDB_CTRL_SPLIT_MODE; if (lvds_format_24bpp) { reg |= LDB_CTRL_CH0_DATA_WIDTH;