[PATCH v1 3/3] drm/panel-edp: Add BOE NV140WUM-N64

[Aleksandrs Vinarskis]

On Tue, 29 Jul 2025 at 17:50, Doug Anderson <dianders at chromium.org> wrote:
>
> Hi,
>
> On Sun, Jul 27, 2025 at 9:58 AM Aleksandrs Vinarskis
> <alex.vinarskis at gmail.com> wrote:
> >
> > Timings taken from NV140WUM-N41. It is found in some arm64 laptops,
> > eg. Asus Zenbook A14 UX3407QA.
> >
> > The raw edid of the panel is:
> > 00 ff ff ff ff ff ff 00 09 e5 f6 0c 00 00 00 00
> > 10 22 01 04 a5 1e 13 78 07 8e 95 a6 52 4c 9d 26
> > 0f 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
> > 01 01 01 01 01 01 5d 30 80 a0 70 b0 28 40 30 20
> > 36 00 2e bc 10 00 00 1a 00 00 00 fd 00 28 3c 4a
> > 4a 0f 01 0a 20 20 20 20 20 20 00 00 00 fe 00 3d
> > 4c 33 30 20 20 20 20 20 20 20 20 ff 00 00 00 fc
> > 00 4e 56 31 34 30 57 55 4d 2d 4e 36 34 0a 01 f8
> >
> > 70 20 79 02 00 21 00 1d c8 0b 5d 07 80 07 b0 04
> > 88 66 ea 51 cc 74 9d 66 52 0f 02 35 54 40 5e 40
> > 5e 00 44 12 78 22 00 14 7f 5c 02 85 7f 07 9f 00
> > 2f 00 1f 00 af 04 27 00 02 00 05 00 2b 00 0c 27
> > 00 28 3b 00 00 27 00 28 2f 00 00 2e 00 06 00 44
> > 40 5e 40 5e 81 00 1e 72 1a 00 00 03 71 28 3c 00
> > 00 60 ff 60 ff 3c 00 00 00 00 e3 05 04 00 e6 06
> > 01 01 60 60 ff 00 00 00 00 00 00 00 00 00 de 90
> >
> > Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis at gmail.com>
> > ---
> >  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 9a56e208cbdd..b334926e96ed 100644
> > --- a/drivers/gpu/drm/panel/panel-edp.c
> > +++ b/drivers/gpu/drm/panel/panel-edp.c
> > @@ -1947,6 +1947,7 @@ static const struct edp_panel_entry edp_panels[] = {
> >         EDP_PANEL_ENTRY('B', 'O', 'E', 0x0c20, &delay_200_500_e80, "NT140FHM-N47"),
> >         EDP_PANEL_ENTRY('B', 'O', 'E', 0x0c93, &delay_200_500_e200, "Unknown"),
> >         EDP_PANEL_ENTRY('B', 'O', 'E', 0x0cb6, &delay_200_500_e200, "NT116WHM-N44"),
> > +       EDP_PANEL_ENTRY('B', 'O', 'E', 0x0cf6, &delay_200_500_e50_p2e80, "NV140WUM-N64"),
>
> Since this is a "guess" timing without any datasheet, I'd be more
> comfortable picking the most conservative of the "cousin" timings. Can
> you re-send with "delay_200_500_e200" instead?

Sure.

Do I understand correctly that more conservative delay_200_500_e200
will for sure not make it worse, since its more conservative? In that
case can re-spin right away. Otherwise I would prefer to re-test it
first, may take a few days as I do not own the hardware so need to
propagate the change and get some feedback.

Thanks,
Alex

>
> -Doug