Messages in this thread | | | From | Adrien Grassein <> | Date | Thu, 22 Sep 2022 20:25:54 +0200 | Subject | Re: [PATCH 2/4] drm/bridge: lt8912b: set hdmi or dvi mode |
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Le jeu. 22 sept. 2022 à 14:43, Philippe Schenker <dev@pschenker.ch> a écrit : > > From: Philippe Schenker <philippe.schenker@toradex.com> > > The Lontium LT8912 does have a setting for DVI or HDMI. This patch reads > from EDID what the display needs and sets it accordingly. > > Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge") > Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com> Acked-by: Adrien Grassein <adrien.grassein@gmail.com> > --- > > drivers/gpu/drm/bridge/lontium-lt8912b.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c > index 0fd3472e767c..6a4bb7422176 100644 > --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c > +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c > @@ -323,6 +323,8 @@ static int lt8912_video_setup(struct lt8912 *lt) > vsync_activehigh ? BIT(0) : 0); > ret |= regmap_update_bits(lt->regmap[I2C_MAIN], 0xab, BIT(1), > hsync_activehigh ? BIT(1) : 0); > + ret |= regmap_update_bits(lt->regmap[I2C_MAIN], 0xb2, BIT(0), > + lt->connector.display_info.is_hdmi ? BIT(0) : 0); > > return ret; > } > -- > 2.37.3 >
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