diff options
| author | Philippe Schenker <philippe.schenker@toradex.com> | 2022-09-22 14:43:04 +0200 |
|---|---|---|
| committer | Francesco Dolcini <francesco.dolcini@toradex.com> | 2023-04-18 12:18:23 +0200 |
| commit | 03ee685c4fc2c3414aa9aa163c2f3904ac5262f9 (patch) | |
| tree | 4f8b5ad0d512081c483fcc6d9e08af6debfe83a3 | |
| parent | 38b83f283dcbd93ed36586165c7bd25c354d2523 (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.
Upstream-Status: Backport [6dd1de12e1243f2013e4fabf31e99e63b1a860d0]
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: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220922124306.34729-3-dev@pschenker.ch
| -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 6d722dca35cc..ef3cdb76a2de 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -321,6 +321,8 @@ 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; } |