On Fri, Aug 8, 2025 at 7:48 AM Christian Zigotzky <chzigot...@xenosoft.de> wrote: > > > > > On 08 August 2025 um 01:23 pm, Mario Limonciello <supe...@kernel.org> wrote: > > > > > > > >> On 8/8/25 2:36 AM, Christian Zigotzky wrote: > >> On 07 August 2025 at 04:21 pm, Limonciello, Mario > >> <mario.limoncie...@amd.com> wrote: > >> Does applying > >> https://github.com/torvalds/linux/commit/907a7a2e5bf40c6a359b2f6cc53d6fdca04009e0 > >> help? > >> - - - > >> Hello Mario, > >> Thanks a lot for your patch. > >> I tested it today but unfortunately it doesn’t solve the issue with the > >> Radeon framebuffer. > >> I have created two kernels with and without the drm-next-2025-07-30 > >> updates [1] because of the issue with the Radeon graphics framebuffer > >> device #15. [2] > >> Download and further information: > >> https://github.com/chzigotzky/kernels/releases/tag/v6.17.0-alpha5 > >> I have tested both kernels this week and I can definitely confirm, that > >> the issue is somewhere in the commit drm-next-2025-07-30 updates [1]. > >> The Radeon graphics framebuffer doesn't work with the kernel with the > >> drm-next-2025-07-30 updates [1]. Without these updates, the framebuffer > >> works. > >> I bisected yesterday. [2] > >> There are some other user reports: > >> - https://forum.hyperion-entertainment.com/viewtopic.php?p=60606#p60606 > >> - https://forum.hyperion-entertainment.com/viewtopic.php?p=60595#p60595 > >> They use other Radeon graphics chips. > >> @All > >> Please check the drm-next-2025-07-30 updates [1] > >> Thanks, > >> Christian > >> [1] > >> https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=260f6f4fda93c8485c8037865c941b42b9cba5d2 > >> [2] https://github.com/chzigotzky/kernels/issues/15 > > > > I think there is a mistake in your bisect, which I notice from looking at > > your other user reports. > > > > The original commit you identified in your bisect and thus CC'ed me came in > > 6.16-rc1. > > > > ❯ git describe --contains 4d4c10f763d7808fbade28d83d237411603bca05 > > v6.16-rc1~50^2~19^2 > > > > There absolutely was a regression for that was raised, but this was fixed > > in 6.16-rc3. > > > > ❯ git describe --contains 907a7a2e5bf40c6a359b2f6cc53d6fdca04009e0 > > v6.16-rc3~13^2~1 > > > > Users in your forums posts talk about 6.16 final working fine. So I think > > that when you bisected you ran into multiple confounding issues and > > replicated in a similar fashion. You should check every single bisect step > > to see if 4d4c10f763d7808fbade28d83d237411603bca05 is applied. If it's > > applied but 907a7a2e5bf40c6a359b2f6cc53d6fdca04009e0 is not applied in that > > step you should apply 907a7a2e5bf40c6a359b2f6cc53d6fdca04009e0. > > > > Hopefully that will get you down to the real cause. > > Thanks for the hint. Unfortunately I don’t have more time for figuring out > the issue.
Does this patch help? https://patchwork.kernel.org/project/dri-devel/patch/20250805175752.690504-4-imre.d...@intel.com/ Alex > > Two facts: > > - The Radeon driver can no longer be used. > The Radeon driver is broken for us. > > - The issue is somewhere in the commit drm-next-2025-07-30 updates [1]. > > I cannot provide any more due to time constraints. > > I've already spent time that I didn't actually have. > > Thanks for your help. > > Christian > >