linux-kernel - Re: [PATCH 2/2] drm/panel-edp: add IVO M133NW4J panel entry

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Date:   Mon, 2 Jan 2023 09:27:22 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Abel Vesa <abel.vesa@...aro.org>
Cc:     Douglas Anderson <dianders@...omium.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Steev Klimaszewski <steev@...i.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] drm/panel-edp: add IVO M133NW4J panel entry

On Sat, Dec 31, 2022 at 04:27:21PM +0200, Abel Vesa wrote:
> Add an eDP panel entry for IVO M133NW4J.
> 
> Due to lack of documentation, use the delay_200_500_p2e100 timings like
> some other IVO entries for now.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
> 
> Assuming the information from here is correct:
> https://raw.githubusercontent.com/linuxhw/EDID/master/DigitalDisplay.md
 
>  drivers/gpu/drm/panel/panel-edp.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
> index ef70928c3ccb..bef5cdf6a582 100644
> --- a/drivers/gpu/drm/panel/panel-edp.c
> +++ b/drivers/gpu/drm/panel/panel-edp.c
> @@ -1891,6 +1891,7 @@ static const struct edp_panel_entry edp_panels[] = {
>  	EDP_PANEL_ENTRY('C', 'M', 'N', 0x1247, &delay_200_500_e80_d50, "N120ACA-EA1"),
>  
>  	EDP_PANEL_ENTRY('I', 'V', 'O', 0x057d, &delay_200_500_e200, "R140NWF5 RH"),
> +	EDP_PANEL_ENTRY('I', 'V', 'O', 0x854a, &delay_200_500_p2e100, "M133NW4J"),
>  	EDP_PANEL_ENTRY('I', 'V', 'O', 0x854b, &delay_200_500_p2e100, "R133NW4K-R0"),
>  
>  	EDP_PANEL_ENTRY('K', 'D', 'B', 0x0624, &kingdisplay_kd116n21_30nv_a010.delay, "116N21-30NV-A010"),

Can you also check the edid data for the string in case there's been
some mixup? For example,

	# strings /sys/class/drm/card0-eDP-1/edid
	...
	B133UAN02.1

Johan