Re: [PATCH v2 04/13] drm/bridge: lt9611: fix programming of video modes

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On 08/01/2023 17:56, Dmitry Baryshkov wrote:
Program the upper part of the hfront_porch into the proper register.

Fixes: 23278bf54afe ("drm/bridge: Introduce LT9611 DSI to HDMI bridge")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
  drivers/gpu/drm/bridge/lontium-lt9611.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
index deb503ca956a..f377052a45a4 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));
  }

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>



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