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authorLiu Ying <[email protected]>2022-07-01 14:56:33 +0800
committerNeil Armstrong <[email protected]>2022-07-04 16:17:06 +0200
commit57ef278ef125e9188474a164f35dcffc69836d01 (patch)
tree031b8a9b8ecb8f7aa50d2cc75d69441fc3da4735
parent591129d3db266648823bb953ebbc28c92e059bf3 (diff)
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 <[email protected]> Cc: Neil Armstrong <[email protected]> Cc: Robert Foss <[email protected]> Cc: Laurent Pinchart <[email protected]> Cc: Jonas Karlman <[email protected]> Cc: Jernej Skrabec <[email protected]> Cc: David Airlie <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Sam Ravnborg <[email protected]> Cc: Marek Vasut <[email protected]> Cc: NXP Linux Team <[email protected]> Signed-off-by: Liu Ying <[email protected]> Reviewed-by: Marek Vasut <[email protected]> Signed-off-by: Neil Armstrong <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
-rw-r--r--drivers/gpu/drm/bridge/fsl-ldb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/fsl-ldb.c b/drivers/gpu/drm/bridge/fsl-ldb.c
index 3cb3b310e283..d4f005eef6f6 100644
--- a/drivers/gpu/drm/bridge/fsl-ldb.c
+++ b/drivers/gpu/drm/bridge/fsl-ldb.c
@@ -153,7 +153,7 @@ 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;