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From: Greg KH <gregkh@linuxfoundation.org>
To: Mark Boddington <lkml@badpenguin.co.uk>
Cc: stable@vger.kernel.org, regressions@lists.linux.dev
Subject: Re: kernel 5.15.1: AMD RX 6700 XT - Fails to resume after screen blank
Date: Wed, 10 Nov 2021 18:38:37 +0100	[thread overview]
Message-ID: <YYwDnbpES0rrnWBw@kroah.com> (raw)
In-Reply-To: <dbadfe41-24bf-5811-cf38-74973df45214@badpenguin.co.uk>

On Wed, Nov 10, 2021 at 04:27:39PM +0000, Mark Boddington wrote:
> Hi all,
> 
> I run the mainline Linux kernel on Ubuntu 20.04, built from
> https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.15.1/
> 
> There appears to be a regression in 5.15.1 which causes the GPU to fail to
> resume after power saving.
> 
> Could it be this change??:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c?h=v5.15.1&id=8af3a335b5531ca3df0920b1cca43e456cd110ad

If you revert it, does it solve the problem for you?

If not, what kernel version did work for you with this hardware?

thanks,

greg k-h

  reply	other threads:[~2021-11-10 17:38 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-10 16:27 kernel 5.15.1: AMD RX 6700 XT - Fails to resume after screen blank Mark Boddington
2021-11-10 17:38 ` Greg KH [this message]
2021-11-10 18:53   ` Mark Boddington
2021-11-10 23:02   ` Mark Boddington
2021-11-10 23:11     ` Mark Boddington
2021-11-12 16:04       ` Thorsten Leemhuis
2021-11-12 17:24         ` Mark Boddington
2021-11-13  8:15           ` Thorsten Leemhuis
2021-11-11  6:09 ` Thorsten Leemhuis
2021-11-25 11:11   ` Thorsten Leemhuis

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