[Bug 116251] New: radeon 5a427809cd9143bef89ee3110f45e84f37484218 "drm/radeon: disable runtime pm on PX laptop" makes dGPU never stop
https://bugzilla.kernel.org/show_bug.cgi?id=116251
Bug ID: 116251 Summary: radeon 5a427809cd9143bef89ee3110f45e84f37484218 "drm/radeon: disable runtime pm on PX laptop" makes dGPU never stop Product: Drivers Version: 2.5 Kernel Version: 4.5.1 Hardware: Intel OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@kernel-bugs.osdl.org Reporter: eugene.shalygin@gmail.com Regression: No
Clevo P177SM, these two GPUs:
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06) 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Neptune XT [Radeon HD 8970M] (rev ff)
With kernel 4.5.1 the Radeon card is always on. Reverting 5a427809cd9143bef89ee3110f45e84f37484218 fixes the problem.
https://bugzilla.kernel.org/show_bug.cgi?id=116251
Eugene Shalygin eugene.shalygin@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Regression|No |Yes
https://bugzilla.kernel.org/show_bug.cgi?id=116251
--- Comment #1 from Michel Dänzer michel@daenzer.net --- Duplicate of bug 115321.
(In reply to Eugene Shalygin from comment #0)
With kernel 4.5.1 the Radeon card is always on. Reverting 5a427809cd9143bef89ee3110f45e84f37484218 fixes the problem.
I did warn Greg KH about this regression, but it looks like he backported the change anyway. :(
https://bugzilla.kernel.org/show_bug.cgi?id=116251
Alex Deucher alexdeucher@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |alexdeucher@gmail.com
--- Comment #2 from Alex Deucher alexdeucher@gmail.com --- Please attach your full dmesg output.
https://bugzilla.kernel.org/show_bug.cgi?id=116251
--- Comment #3 from Eugene Shalygin eugene.shalygin@gmail.com --- Created attachment 212691 --> https://bugzilla.kernel.org/attachment.cgi?id=212691&action=edit dmesg
dmesg with the commit reverted
https://bugzilla.kernel.org/show_bug.cgi?id=116251
--- Comment #4 from Alex Deucher alexdeucher@gmail.com --- Created attachment 212711 --> https://bugzilla.kernel.org/attachment.cgi?id=212711&action=edit possible fix
Please apply this patch on top of the patches from bug 115321.
https://bugzilla.kernel.org/show_bug.cgi?id=116251
--- Comment #5 from Eugene Shalygin eugene.shalygin@gmail.com --- With the quirk it works, thank you.
https://bugzilla.kernel.org/show_bug.cgi?id=116251
Kertesz Laszlo laszlo.kertesz@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |laszlo.kertesz@gmail.com
--- Comment #6 from Kertesz Laszlo laszlo.kertesz@gmail.com --- The issue is present on Dell Latitude E6540 (Debian Testing installed).
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06) 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Mars XTX [Radeon HD 8790M] (rev ff)
Some more discussions about this here: https://www.phoronix.com/forums/forum/linux-graphics-x-org-drivers/open-sour...
https://bugzilla.kernel.org/show_bug.cgi?id=116251
--- Comment #7 from Alex Deucher alexdeucher@gmail.com --- The patch has been reverted: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bf... and will be reverted in stable branches as well.
https://bugzilla.kernel.org/show_bug.cgi?id=116251
Eugene Shalygin eugene.shalygin@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |CODE_FIX
--- Comment #8 from Eugene Shalygin eugene.shalygin@gmail.com --- Works in 4.6.0
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