[Bug 89521] New: Radeon driver fails to set dpm power state after resume from S3
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Wed Dec 10 09:32:54 PST 2014
https://bugzilla.kernel.org/show_bug.cgi?id=89521
Bug ID: 89521
Summary: Radeon driver fails to set dpm power state after
resume from S3
Product: Drivers
Version: 2.5
Kernel Version: 3.18.0
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri at kernel-bugs.osdl.org
Reporter: anhermann at gmx.net
Regression: No
Created attachment 160341
--> https://bugzilla.kernel.org/attachment.cgi?id=160341&action=edit
dmesg output from 3 resume cycles
Using a Radeon R9 270X and kernel 3.18.0 I get the following error message only
after resume from S3 state:
[drm:si_dpm_set_power_state] *ERROR* si_set_sw_state failed
I would like to notice that this also happened with older kernel versions (3.17
and 3.16 with radeon.dpm=1) and other cards. My other PC has a HD 5450 with the
same problem (slightly other ERROR string as its not SI).
Besides the error message, I cannot see any strange behaviour, performance is
good, no freezes etc. . But it sounds like performance level switching is not
working correctly?
I added the dmesg output showing three resume cycles with the mentioned error
message as attachment.
Thanks
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