Re: [PATCH v1 2/2] drm/panel-simple: Add missing BUS descriptions for some panels

From: Laurent Pinchart
Date: Sat Jun 27 2020 - 16:43:46 EST


Hi Dmitry,

Thank you for the patch.

On Mon, Jun 22, 2020 at 01:27:42AM +0300, Dmitry Osipenko wrote:
> This patch adds missing BUS fields to the display panel descriptions of
> the panels which are found on NVIDIA Tegra devices:
>
> 1. AUO B101AW03
> 2. Chunghwa CLAA070WP03XG
> 3. Chunghwa CLAA101WA01A
> 4. Chunghwa CLAA101WB01
> 5. Innolux N156BGE L21
> 6. Samsung LTN101NT05
>
> Suggested-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> ---
> drivers/gpu/drm/panel/panel-simple.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index 87edd2bdf09a..986df9937650 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -698,6 +698,8 @@ static const struct panel_desc auo_b101aw03 = {
> .width = 223,
> .height = 125,
> },
> + .bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
> + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,

Does DRM_BUS_FLAG_PIXDATA_DRIVE_* make sense for LVDS ?

The rest looks good, except the Samsung panel for which I haven't been
able to locate a datasheet.

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> .connector_type = DRM_MODE_CONNECTOR_LVDS,
> };
>
> @@ -1352,6 +1354,8 @@ static const struct panel_desc chunghwa_claa070wp03xg = {
> .width = 94,
> .height = 150,
> },
> + .bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
> + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
> .connector_type = DRM_MODE_CONNECTOR_LVDS,
> };
>
> @@ -1375,6 +1379,8 @@ static const struct panel_desc chunghwa_claa101wa01a = {
> .width = 220,
> .height = 120,
> },
> + .bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
> + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
> .connector_type = DRM_MODE_CONNECTOR_LVDS,
> };
>
> @@ -1398,6 +1404,8 @@ static const struct panel_desc chunghwa_claa101wb01 = {
> .width = 223,
> .height = 125,
> },
> + .bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
> + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
> .connector_type = DRM_MODE_CONNECTOR_LVDS,
> };
>
> @@ -2071,6 +2079,8 @@ static const struct panel_desc innolux_n156bge_l21 = {
> .width = 344,
> .height = 193,
> },
> + .bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
> + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
> .connector_type = DRM_MODE_CONNECTOR_LVDS,
> };
>
> @@ -3018,6 +3028,8 @@ static const struct panel_desc samsung_ltn101nt05 = {
> .width = 223,
> .height = 125,
> },
> + .bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
> + .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE,
> .connector_type = DRM_MODE_CONNECTOR_LVDS,
> };
>

--
Regards,

Laurent Pinchart