linux-kernel - Re: [PATCH v2 2/5] drm: panel: Add Starry KR070PE2T

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Date:   Sat, 28 Mar 2020 21:23:16 +0100
From:   Sam Ravnborg <sam@...nborg.org>
To:     Pascal Roeleven <dev@...calroeleven.nl>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Mark Brown <broonie@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2 2/5] drm: panel: Add Starry KR070PE2T

On Fri, Mar 20, 2020 at 12:21:33PM +0100, Pascal Roeleven wrote:
> The KR070PE2T is a 7" panel with a resolution of 800x480.
> 
> KR070PE2T is the marking present on the ribbon cable. As this panel is
> probably available under different brands, this marking will catch
> most devices.
> 
> As I can't find a datasheet for this panel, the bus_flags are instead
> from trial-and-error. The flags seem to be common for these kind of
> panels as well.
> 
> Signed-off-by: Pascal Roeleven <dev@...calroeleven.nl>

Applied to drm-misc-next.

	Sam

> ---
>  drivers/gpu/drm/panel/panel-simple.c | 29 ++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
> index e14c14ac6..b3d257257 100644
> --- a/drivers/gpu/drm/panel/panel-simple.c
> +++ b/drivers/gpu/drm/panel/panel-simple.c
> @@ -2842,6 +2842,32 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = {
>  	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
>  };
>  
> +static const struct drm_display_mode starry_kr070pe2t_mode = {
> +	.clock = 33000,
> +	.hdisplay = 800,
> +	.hsync_start = 800 + 209,
> +	.hsync_end = 800 + 209 + 1,
> +	.htotal = 800 + 209 + 1 + 45,
> +	.vdisplay = 480,
> +	.vsync_start = 480 + 22,
> +	.vsync_end = 480 + 22 + 1,
> +	.vtotal = 480 + 22 + 1 + 22,
> +	.vrefresh = 60,
> +};
> +
> +static const struct panel_desc starry_kr070pe2t = {
> +	.modes = &starry_kr070pe2t_mode,
> +	.num_modes = 1,
> +	.bpc = 8,
> +	.size = {
> +		.width = 152,
> +		.height = 86,
> +	},
> +	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
> +	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
> +	.connector_type = DRM_MODE_CONNECTOR_LVDS,
> +};
> +
>  static const struct drm_display_mode starry_kr122ea0sra_mode = {
>  	.clock = 147000,
>  	.hdisplay = 1920,
> @@ -3474,6 +3500,9 @@ static const struct of_device_id platform_of_match[] = {
>  	}, {
>  		.compatible = "shelly,sca07010-bfn-lnn",
>  		.data = &shelly_sca07010_bfn_lnn,
> +	}, {
> +		.compatible = "starry,kr070pe2t",
> +		.data = &starry_kr070pe2t,
>  	}, {
>  		.compatible = "starry,kr122ea0sra",
>  		.data = &starry_kr122ea0sra,
> -- 
> 2.20.1