| Message ID | 20230108165656.136871-5-dmitry.baryshkov@linaro.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | drm/bridge: lt9611: several fixes and improvements | expand |
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@linaro.org> > --- > 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@linaro.org>
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)); }
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@linaro.org> --- drivers/gpu/drm/bridge/lontium-lt9611.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)