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From: Javier Martinez Canillas <javierm@redhat.com>
To: Fabio Piparo <holofermes@gmail.com>, dri-devel@lists.freedesktop.org
Subject: Re: drm/ssd130x: stale pixels when the GPU renders into the framebuffer
Date: Fri, 14 Aug 2026 20:34:47 +0200	[thread overview]
Message-ID: <87v79co8jc.fsf@ocarina.mail-host-address-is-not-set> (raw)
In-Reply-To: <CAB3Lz5ZuAJcgKpx0L-O3a-1psk+vwBMeH_Eux+OAgaYcyfFm6A@mail.gmail.com>

Fabio Piparo <holofermes@gmail.com> writes:

Hello Fabio,

> The symptom
> ===========
>
> I am working with a Raspberry Pi 5 driving a 128x32 SSD1306 over I2C
> through ssd130x, brought up with dtoverlay=ssd1306, and a GLES client
> rendering into it. The GPU renders straight into the panel's framebuffer.
> The panel shows a blocky pattern that is affected by CPU load. The kernel
> is 6.18.39.
>

Thanks for the detailed report. I'm on vacation until September 4, without
access to a SSD1306 and limited connectivity. But I'll take a look to your
email in detail once I'm back.

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat


  reply	other threads:[~2026-08-14 18:35 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-13  4:27 drm/ssd130x: stale pixels when the GPU renders into the framebuffer Fabio Piparo
2026-08-14 18:34 ` Javier Martinez Canillas [this message]
2026-09-14  8:43 ` Thomas Zimmermann
2026-09-23 16:00   ` Fabio Piparo
2026-09-29  9:04     ` Thomas Zimmermann
2026-09-29 21:50       ` Maíra Canal
2026-09-30  6:48         ` Thomas Zimmermann
2026-09-30  7:48           ` Javier Martinez Canillas
2026-09-30  8:32             ` Thomas Zimmermann
2026-09-30 13:49               ` Maíra Canal
2026-09-30 15:52                 ` Javier Martinez Canillas
2026-09-30 18:45                   ` Fabio Piparo
2026-10-02  8:18                     ` Thomas Zimmermann
2026-09-30 19:57                   ` Maíra Canal
2026-10-02  8:12                     ` Thomas Zimmermann
2026-10-02 21:13                       ` Maíra Canal
2026-10-06  6:50                         ` Thomas Zimmermann

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