linux-kernel - Re: [PATCH] drm/panel-edp: Add BOE NV140FHM-N4Z panel entry

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Message-ID: <94c5abb5-4c3f-44ec-ab6d-f173427a2c16@suse.de>
Date: Tue, 14 Jan 2025 10:11:59 +0100
From: Thomas Zimmermann <tzimmermann@...e.de>
To: Andy Yan <andyshrk@....com>, dianders@...omium.org
Cc: quic_jesszhan@...cinc.com, maarten.lankhorst@...ux.intel.com,
 mripard@...nel.org, neil.armstrong@...aro.org,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/panel-edp: Add BOE NV140FHM-N4Z panel entry




Am 14.01.25 um 10:04 schrieb Andy Yan:
> Hi All,
>
> At 2025-01-13 18:17:38, "Andy Yan" <andyshrk@....com> wrote:
>> Sorry, please don't merge this patch. after further testing,
>> I found that there are still some changce, it can't read edid.
> It turns out that we need set hpd-reliable-delay-ms = 120 in dts to ensure
> the right time to access edid.
> So the patch is ok, it is ready for review.
>
>> At 2025-01-13 16:59:54, "Andy Yan" <andyshrk@....com> wrote:
>>> Add an eDP panel entry for BOE NV140FHM-N4Z.
>>>
>>> No datasheet found for this panel.
>>>
>>> edid:
>>> 00 ff ff ff ff ff ff 00 09 e5 09 0b 00 00 00 00
>>> 01 20 01 04 a5 1f 11 78 03 9b 75 99 5b 5d 8f 2a
>>> 23 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
>>> 01 01 01 01 01 01 c8 37 80 cc 70 38 28 40 6c 30
>>> aa 00 35 ae 10 00 00 1a 00 00 00 fd 00 30 3c 43
>>> 43 8f 01 0a 20 20 20 20 20 20 00 00 00 fe 00 42
>>> 4f 45 20 48 46 0a 20 20 20 20 20 20 00 00 00 fe
>>> 00 4e 56 31 34 30 46 48 4d 2d 4e 34 5a 0a 00 35
>>>
>>> Signed-off-by: Andy Yan <andyshrk@....com>

Reviewed-by: Thomas Zimmermann <tzimmermann@...e.de>

>>> ---
>>>
>>> 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 94a46241dece..a3402b76aa3e 100644
>>> --- a/drivers/gpu/drm/panel/panel-edp.c
>>> +++ b/drivers/gpu/drm/panel/panel-edp.c
>>> @@ -1909,6 +1909,7 @@ 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', 0x0b34, &delay_200_500_e80, "NV122WUM-N41"),
>>> +	EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b09, &delay_200_500_e50_p2e200, "NV140FHM-NZ"),
>>> 	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"),
>>> 	EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b66, &delay_200_500_e80, "NE140WUM-N6G"),
>>> -- 
>>> 2.43.0

-- 
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)