linux-kernel - Re: [PATCH 4/4] drm/panel-edp: Add BOE NE14QDM panel for Dell Latitude 7455

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Message-ID: <5mrwrceolmwfrkdwjpixmruygr5iqob2aclqm4wrptw6ljtqdk@wb3p7pbbku6h>
Date: Sun, 25 May 2025 16:11:53 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Val Packett <val@...kett.cool>
Cc: Douglas Anderson <dianders@...omium.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] drm/panel-edp: Add BOE NE14QDM panel for Dell
 Latitude 7455

On Sun, May 25, 2025 at 06:53:36AM -0300, Val Packett wrote:
> Cannot confirm which variant exactly it is, as the EDID alphanumeric data
> contains '0RGNR' <0x80> 'NE14QDM' and ends there; but it's 60 Hz and with
> touch.
> 
> I do not have access to datasheets for these panels, so the timing is
> a guess that was tested to work fine on this laptop.
> 
> Signed-off-by: Val Packett <val@...kett.cool>
> ---
>  drivers/gpu/drm/panel/panel-edp.c | 1 +
>  1 file changed, 1 insertion(+)

Could you please included a dumped EDID in the commit message? See git
log for existing examples.

> 
> diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
> index 90e8c154a978..ec7c1e21f2d2 100644
> --- a/drivers/gpu/drm/panel/panel-edp.c
> +++ b/drivers/gpu/drm/panel/panel-edp.c
> @@ -1937,6 +1937,7 @@ static const struct edp_panel_entry edp_panels[] = {
>  	EDP_PANEL_ENTRY('B', 'O', 'E', 0x0ac5, &delay_200_500_e50, "NV116WHM-N4C"),
>  	EDP_PANEL_ENTRY('B', 'O', 'E', 0x0ae8, &delay_200_500_e50_p2e80, "NV140WUM-N41"),
>  	EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b09, &delay_200_500_e50_po2e200, "NV140FHM-NZ"),
> +	EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b1e, &delay_200_500_e80, "NE140QDM-N6A"),
>  	EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b34, &delay_200_500_e80, "NV122WUM-N41"),
>  	EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b43, &delay_200_500_e200, "NV140FHM-T09"),
>  	EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b56, &delay_200_500_e80, "NT140FHM-N47"),
> -- 
> 2.49.0
> 

-- 
With best wishes
Dmitry