Re: [PATCH 0/3] drm/ssd130x: fix column and row end address in partial updates of ssd132x and ssd133x devices

From: Javier Martinez Canillas

Date: Mon Jul 06 2026 - 08:39:03 EST


Javier Martinez Canillas <javierm@xxxxxxxxxx> writes:

> Amit Barzilai <amit.barzilai22@xxxxxxxxx> writes:
>
> Hello Amit,
>
> Thanks for your patches.
>
>> While working on adding SSD1351 support to the ssd130x driver - I
>> noticed that the area of the cursor was refreshing in a weird state.
>> I would fill the screen red while the flashing cursor was on the screen,
>> but the screen wouldn't refresh the entire 8x8 rectangle each flash.
>>
>> After reading the SSD1351, SSD1331 and SSD132x manuals and manual
>> testing on the SSD1351, I was able to be sure that the problem was the
>> end addresses of "Set Column/Row Address" being sent as relative addresses
>> instead of absolute addresses.
>>

[...]

> For the whole series:
>
> Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
>
> I plan to push them to drm-misc-next rather than to drm-misc-fixes, since
> these have been long standing bugs and the changes are likely to conflict
> with your SSD1351 patches that are in-flight.

Pushed to drm-misc (drm-misc-next). Thanks!

--
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat