Messages in this thread Patch in this message | | | From | Philippe Schenker <> | Subject | [PATCH 2/4] drm/bridge: lt8912b: set hdmi or dvi mode | Date | Thu, 22 Sep 2022 14:43:04 +0200 |
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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> ---
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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