Re: [PATCH v6 3/6] drm: Add driver for Solomon SSD130x OLED displays

[Geert Uytterhoeven]

Hi Javier,

On Wed, Mar 9, 2022 at 1:14 PM Javier Martinez Canillas
<javierm@xxxxxxxxxx> wrote:
> On 3/8/22 17:30, Geert Uytterhoeven wrote:
> > Unfortunately a regression was introduced since your v3: printed
> > text is mirrored upside-down. I.e. "E" is rendered correctly, but "L"
> > turns into "Γ" (Greek Gamma).
> > I suspect something went wrong with the display initialization
> > sequence.
> >
>
> Could you please try Chen-Yu's fix for the COM scan direction mask ?
>
> https://lists.freedesktop.org/archives/dri-devel/2022-March/345915.html
>
> I made a mistake when converting to use the GENMASK() and FIELD_PREP()
> macros in v4 as suggested by Andy. The SSD130X_SET_COM_SCAN_DIR_MASK
> wasn't correct which would explain the output to be vertically flipped.

Thanks, confirmed fixed.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds