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Groups > linux.debian.kernel > #88382
| From | Ben Hutchings <ben@decadent.org.uk> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#1035878: rpi400: visual speckling on 'faulty' HDMI port during mouse movement |
| Date | 2025-07-12 18:40 +0200 |
| Message-ID | <L7Lqy-h7oT-9@gated-at.bofh.it> (permalink) |
| References | <GtScV-7V49-1@gated-at.bofh.it> <KGQHf-h4Iy-3@gated-at.bofh.it> <GtScV-7V49-1@gated-at.bofh.it> <KGQHf-h4Iy-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Cross-posted to 2 groups.
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Hi all,
On Tue, 2025-04-29 at 10:40 +0000, James Addison wrote:
> Control: tags -1 patch
>
> Hi Diederik, Maxime,
>
> On Wed, 10 May 2023 19:20:45 +0200, Diederik wrote:
> > Control: forwarded -1 https://lore.kernel.org/all/20230127-rpi-cursor-corruption-v2-1-1f97bd00df01@cerno.tech/
>
> I've found the time to test Maxime's vc4 dlist deferral patch -- with
> minor adjustments to rebase against Debian's 6.12.22-1 kernel -- on an
> rpi400 machine locally.
>
> From testing two side-by-side kernel builds, one with the patch
> applied, and one without it, I can attest that the patch does indeed
> resolve the reported cursor/video speckling problem when using the
> mini-HDMI port most-distant from the USB-C power port.
[...]
Looking at the previous posting of this patch upstream, it was not clear
to me why the patch wasn't applied. Maxime, do you know what happened?
Would it be worth submitting James's updated patch as a v3?
Ben.
--
Ben Hutchings
Experience is directly proportional to the value of equipment destroyed
- Carolyn Scheppner
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Bug#1035878: rpi400: visual speckling on 'faulty' HDMI port during mouse movement James Addison <jay@jp-hosting.net> - 2025-04-29 12:50 +0200
Bug#1035878: rpi400: visual speckling on 'faulty' HDMI port during mouse movement Ben Hutchings <ben@decadent.org.uk> - 2025-07-12 18:40 +0200
Bug#1035878: rpi400: visual speckling on 'faulty' HDMI port during mouse movement Maxime Ripard <mripard@kernel.org> - 2025-07-28 12:00 +0200
Bug#1035878: rpi400: visual speckling on 'faulty' HDMI port during mouse movement James Addison <jay@jp-hosting.net> - 2025-08-25 19:20 +0200
Bug#1035878: rpi400: visual speckling on 'faulty' HDMI port during mouse movement Maxime Ripard <mripard@kernel.org> - 2025-08-27 12:10 +0200
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