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

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Hello Geert,

On 3/9/22 13:56, Geert Uytterhoeven wrote:
> 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.
> 

Great, thanks a lot for testing and the confirmation!

-- 
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat




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