Hi Laurent.
On Thu, Aug 13, 2020 at 01:02:44AM +0300, Laurent Pinchart wrote:
> The OrtusTech COM43H4M85ULC panel is a 18-bit RGB panel, set the bus
> format to MEDIA_BUS_FMT_RGB666_1X18.
>
> Fixes: 725c9d40f3fe ("drm/panel: Add support for OrtusTech COM43H4M85ULC panel")
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/panel/panel-simple.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index ef8df838fe14..ef04fd75babd 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -3018,7 +3018,7 @@ static const struct panel_desc ortustech_com43h4m85ulc = {
> .width = 56,
> .height = 93,
> },
> - .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
> + .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
> .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
> .connector_type = DRM_MODE_CONNECTOR_DPI,
> };
So basically we say that this panel is bpc=8 but connected so we only
utilise 6 bits per color - seems like a waste but may be good enough.
There are other panels that is connected in the same way.
Applied.
Sam
> --
> Regards,
>
> Laurent Pinchart
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