diff options
| author | Philippe Schenker <philippe.schenker@toradex.com> | 2022-09-22 14:43:04 +0200 |
|---|---|---|
| committer | Robert Foss <robert.foss@linaro.org> | 2022-09-28 16:19:55 +0200 |
| commit | d25404a359b24a887db56b52064b754f79921bb7 (patch) | |
| tree | cb4216b6ae25d95307fa6f72e755c04214da8b01 /drivers/gpu/drm/bridge | |
| parent | e3e7f178d4d82743786d5a002b714b5d516f5870 (diff) | |
drm/bridge: lt8912b: set hdmi or dvi mode
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>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220922124306.34729-3-dev@pschenker.ch
Diffstat (limited to 'drivers/gpu/drm/bridge')
| -rw-r--r-- | drivers/gpu/drm/bridge/lontium-lt8912b.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c index f70da3785c4b..caf96c3a373f 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -331,6 +331,8 @@ 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; } |