From: bugzilla-daemon@kernel.org
To: platform-driver-x86@vger.kernel.org
Subject: [Bug 216516] s2ram freezes screen (Ryzen-5650U incl. Radeon GPU)
Date: Tue, 27 Sep 2022 18:05:03 +0000 [thread overview]
Message-ID: <bug-216516-215701-X7FghtwU6h@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-216516-215701@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=216516
--- Comment #17 from Alex Deucher (alexdeucher@gmail.com) ---
(In reply to kolAflash from comment #15)
>
> But I also still the idea of using S3 (especially because of the very low
> power consumption).
> ---> So I'd still like to see a fix for the commit initially mentioned. Or
> maybe not a fix, but a kernel command line option to disable that behavior.
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/
> ?id=7123d39dc24dcd21ff23d75f46f926b15269b9da
You should not need to reset the GPU for S3 if the device is properly powered
down on suspend. The reset on suspend was to workaround the case where suspend
failed and we needed a to put the GPU into a clean state to resume without the
GPU having been powered down. I think the reason this helped you was because
the platform was not actually getting properly powered down so the GPU was
never powered off, thus on resume the GPU was in an unknown state. SO you were
not actually getting proper suspend in the first place.
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next prev parent reply other threads:[~2022-09-27 18:05 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-216516-215701@https.bugzilla.kernel.org/>
2022-09-26 18:49 ` [Bug 216516] s2ram freezes screen (Ryzen-5650U incl. Radeon GPU) bugzilla-daemon
2022-09-27 13:15 ` bugzilla-daemon
2022-09-27 18:00 ` bugzilla-daemon
2022-09-27 18:05 ` bugzilla-daemon [this message]
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2022-10-12 18:04 ` bugzilla-daemon
2022-10-13 1:17 ` bugzilla-daemon
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