linux-kernel - Re: [PATCH] drm/panel-edp: Add AUO B140QAX01.H panel

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Message-ID: <CAD=FV=VPgtYxoJK-EAn6VWXkbx8bjP+40APhytzCQSj0uZKzTw@mail.gmail.com>
Date: Mon, 8 Dec 2025 14:17:38 -0800
From: Doug Anderson <dianders@...omium.org>
To: Val Packett <val@...kett.cool>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, Jessica Zhang <jesszhan0024@...il.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] drm/panel-edp: Add AUO B140QAX01.H panel

Hi,

On Sat, Dec 6, 2025 at 9:38 AM Val Packett <val@...kett.cool> wrote:
>
> A 14-inch 2560x1600 60Hz matte touch panel, found on a Dell Latitude 7455
> laptop (second-source with BOE NE14QDM), according to online sources it's
> also found on the Latitude 7440 and some ASUS models.
>
> Raw EDID dump:
>
> 00 ff ff ff ff ff ff 00 06 af a4 0b 00 00 00 00
> 00 20 01 04 a5 1e 13 78 03 ad f5 a8 54 47 9c 24
> 0e 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
> 01 01 01 01 01 01 f0 68 00 a0 a0 40 2e 60 30 20
> 35 00 2d bc 10 00 00 1a f3 53 00 a0 a0 40 2e 60
> 30 20 35 00 2d bc 10 00 00 1a 00 00 00 fe 00 36
> 39 52 31 57 80 42 31 34 30 51 41 58 00 00 00 00
> 00 02 41 21 a8 00 01 00 00 1a 41 0a 20 20 00 a1
>
> Don't have datasheet access, but the same timing as for other panels from
> the same manufacturer works fine.
>
> Signed-off-by: Val Packett <val@...kett.cool>
> ---
>  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 415b894890ad..b71cef842ea7 100644
> --- a/drivers/gpu/drm/panel/panel-edp.c
> +++ b/drivers/gpu/drm/panel/panel-edp.c
> @@ -1913,6 +1913,7 @@ static const struct edp_panel_entry edp_panels[] = {
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0xb7a9, &delay_200_500_e50, "B140HAK03.3"),
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0xc4b4, &delay_200_500_e50, "B116XAT04.1"),
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0xc9a8, &delay_200_500_e50, "B140QAN08.H"),
> +       EDP_PANEL_ENTRY('A', 'U', 'O', 0x0ba4, &delay_200_500_e50, "B140QAX01.H"),
>         EDP_PANEL_ENTRY('A', 'U', 'O', 0xcdba, &delay_200_500_e50, "B140UAX01.2"),

As per the comment above this table, "Sort first by vendor, then by
product ID.". 0x0ba4 isn't sorted. I've moved it to the right place
for you.

Reviewed-by: Douglas Anderson <dianders@...omium.org>

Pushed to drm-misc-next:

[1/1] drm/panel-edp: Add AUO B140QAX01.H panel
      commit: bcd752c706c357229185a330ab450b86236d9031