[Bug 105324] R9 285 weston hangs since drm/amd/pp: Fix bug that dpm level was not really locked
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Mar 2 09:57:20 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=105324
Bug ID: 105324
Summary: R9 285 weston hangs since drm/amd/pp: Fix bug that dpm
level was not really locked
Product: DRI
Version: DRI git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel at lists.freedesktop.org
Reporter: adf.lists at gmail.com
R9 285 Tonga, testing with amdgpu.dc=0 on agd5f 4.17-wip
Since
commit a02497b73218f10f237d98fb10d34d0baed607a0
Author: Rex Zhu <Rex.Zhu at amd.com>
Date: Fri Feb 9 16:47:53 2018 +0800
drm/amd/pp: Fix bug that dpm level was not really locked
Lock the dpm levels when we use SW method to modify
the dpm tables directly to avoid a possible race
with the smu.
weston may hang display on start/quit/vt switch
SysRq works and logged will be errors like -
Mar 2 00:19:03 ph4 kernel: amdgpu: [powerplay]
Mar 2 00:19:03 ph4 kernel: failed to send message 18b ret is 0
Mar 2 00:19:03 ph4 kernel: amdgpu: [powerplay]
Mar 2 00:19:03 ph4 kernel: failed to send pre message 18a ret is 0
Mar 2 00:19:04 ph4 kernel: amdgpu: [powerplay]
Mar 2 00:19:04 ph4 kernel: failed to send message 18a ret is 0
Mar 2 00:19:04 ph4 kernel: amdgpu: [powerplay]
Mar 2 00:19:04 ph4 kernel: failed to send pre message 18c ret is 0
Mar 2 00:19:04 ph4 kernel: amdgpu: [powerplay]
Mar 2 00:19:04 ph4 kernel: failed to send message 18c ret is 0
Mar 2 00:19:05 ph4 kernel: amdgpu: [powerplay]
Mar 2 00:19:05 ph4 kernel: failed to send pre message 145 ret is 0
Mar 2 00:19:05 ph4 kernel: amdgpu: [powerplay]
Mar 2 00:19:05 ph4 kernel: failed to send message 145 ret is 0
Mar 2 00:19:06 ph4 kernel: amdgpu: [powerplay]
Mar 2 00:19:06 ph4 kernel: failed to send pre message 146 ret is 0
Mar 2 00:19:06 ph4 kernel: amdgpu: [powerplay]
Mar 2 00:19:06 ph4 kernel: failed to send message 146 ret is 0
Mar 2 00:19:07 ph4 kernel: amdgpu: [powerplay]
Mar 2 00:19:07 ph4 kernel: failed to send pre message 148 ret is 0
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