diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-01-18 10:16:49 +0200 |
|---|---|---|
| committer | Neil Armstrong <neil.armstrong@linaro.org> | 2023-01-18 15:27:06 +0100 |
| commit | ad188aa47edaa033a270e1a3efae43836ff47569 (patch) | |
| tree | add271d56b1d37ba8ad91a22a739ccecc0a4c171 | |
| parent | 0b157efa384ea417304b1da284ee2f603c607fc3 (diff) | |
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 <neil.armstrong@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230118081658.2198520-5-dmitry.baryshkov@linaro.org
| -rw-r--r-- | drivers/gpu/drm/bridge/lontium-lt9611.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c index d6c08c888f03..7605c5b17657 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)); } |