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DRM: ingenic: Add support for panels with 8-bit serial bus 

Add support for the LCD panels with a serial 8-bit bus, where the color
components of each 24-bit pixel are sent sequentially.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190627182114.27299-3-paul@crapouillou.net
# *** extracted tags ***
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Paul Cercueil 2019-06-27 20:21:14 +02:00
parent dba8e98768
commit 8721215c7e
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/ingenic/ingenic-drm.c
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@ -426,6 +426,9 @@ static void ingenic_drm_encoder_atomic_mode_set(struct drm_encoder *encoder,
case MEDIA_BUS_FMT_RGB888_1X24:
cfg |= JZ_LCD_CFG_MODE_GENERIC_24BIT;
break;
case MEDIA_BUS_FMT_RGB888_3X8:
cfg |= JZ_LCD_CFG_MODE_8BIT_SERIAL;
break;
default:
break;
}
@ -451,6 +454,7 @@ static int ingenic_drm_encoder_atomic_check(struct drm_encoder *encoder,
case MEDIA_BUS_FMT_RGB565_1X16:
case MEDIA_BUS_FMT_RGB666_1X18:
case MEDIA_BUS_FMT_RGB888_1X24:
case MEDIA_BUS_FMT_RGB888_3X8:
return 0;
default:
return -EINVAL;