From: Dmitry Baryshkov Date: Wed, 18 Jan 2023 08:16:49 +0000 (+0200) Subject: drm/bridge: lt9611: fix programming of video modes X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ad188aa47edaa033a270e1a3efae43836ff47569;p=linux.git drm/bridge: lt9611: fix programming of video modes Program the upper part of the hfront_porch into the proper register. Fixes: 23278bf54afe ("drm/bridge: Introduce LT9611 DSI to HDMI bridge") Reviewed-by: Neil Armstrong Signed-off-by: Dmitry Baryshkov Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/20230118081658.2198520-5-dmitry.baryshkov@linaro.org --- diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c index d6c08c888f030..7605c5b17657c 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c @@ -187,7 +187,8 @@ static void lt9611_mipi_video_setup(struct lt9611 *lt9611, regmap_write(lt9611->regmap, 0x8319, (u8)(hfront_porch % 256)); - regmap_write(lt9611->regmap, 0x831a, (u8)(hsync_porch / 256)); + regmap_write(lt9611->regmap, 0x831a, (u8)(hsync_porch / 256) | + ((hfront_porch / 256) << 4)); regmap_write(lt9611->regmap, 0x831b, (u8)(hsync_porch % 256)); }