Re: [PATCH 3/3] DRM: ingenic: Add support for panels with 8-bit serial bus

[Sam Ravnborg]

On Thu, Jun 27, 2019 at 08:21:14PM +0200, Paul Cercueil wrote:
> Add support for the LCD panels with a serial 8-bit bus, where the color
> components of each 24-bit pixel are sent sequentially.

There are strange bus formats...

> 
> Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/ingenic/ingenic-drm.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c
> index da966f3dc1f7..ce1fae3a78a9 100644
> --- a/drivers/gpu/drm/ingenic/ingenic-drm.c
> +++ b/drivers/gpu/drm/ingenic/ingenic-drm.c
> @@ -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;
> -- 
> 2.21.0.593.g511ec345e18
> 
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