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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [REGRESSION][4.9-rc3 w/ drm-next-4.10-wip][AMDGPU][CIK] Unable to suspend, hangs on hibernation"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98513#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [REGRESSION][4.9-rc3 w/ drm-next-4.10-wip][AMDGPU][CIK] Unable to suspend, hangs on hibernation"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98513">bug 98513</a>
from <span class="vcard"><a class="email" href="mailto:shawn.starr@rogers.com" title="Shawn Starr <shawn.starr@rogers.com>"> <span class="fn">Shawn Starr</span></a>
</span></b>
<pre>Bisected results confirmed:
[spstarr@segfault linux]$ git bisect bad
86f8c599b09c916f9aad30563271440dbd79213a is the first bad commit
commit 86f8c599b09c916f9aad30563271440dbd79213a
Author: Rex Zhu <<a href="mailto:Rex.Zhu@amd.com">Rex.Zhu@amd.com</a>>
Date: Mon Oct 3 20:46:36 2016 +0800
drm/amdgpu: when suspend, set boot state instand of disable dpm.
fix pm-hibernate bug, when suspend/resume, dpm start failed.
Signed-off-by: Rex Zhu <<a href="mailto:Rex.Zhu@amd.com">Rex.Zhu@amd.com</a>>
Acked-by: Christian König <<a href="mailto:christian.koenig@amd.com">christian.koenig@amd.com</a>>
Reviewed-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
Signed-off-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
:040000 040000 5537c5937b203abdb5c48c5a0dc8dc5f6a3d00f2
7f048011c861d8c35b922fd94f089cd07d670f60 M drivers
[spstarr@segfault linux]$ git bisect log
git bisect start
# good: [1001354ca34179f3db924eb66672442a173147dc] Linux 4.9-rc1
git bisect good 1001354ca34179f3db924eb66672442a173147dc
# bad: [2f5945e707b5dffbf12444ad8bea079626ad30ec] drm/amdgpu: add the interface
of waiting multiple fences (v4)
git bisect bad 2f5945e707b5dffbf12444ad8bea079626ad30ec
# good: [61d0a04d6f5b2122f88aacbc4b1716e571961660] Merge tag
'topic/drm-misc-2016-10-24' of git://anongit.freedesktop.org/drm-intel into
drm-next
git bisect good 61d0a04d6f5b2122f88aacbc4b1716e571961660
# good: [e4ab73a13291fc844c9e24d5c347bd95818544d2] drm/i915: Respect
alternate_ddc_pin for all DDI ports
git bisect good e4ab73a13291fc844c9e24d5c347bd95818544d2
# bad: [415282b15e15c2d7fb18e29c5b554cc7f4ff5c52] drm/amdgpu: disable dpm
before turn off clock when vce idle.
git bisect bad 415282b15e15c2d7fb18e29c5b554cc7f4ff5c52
# good: [392f0c775c80de0eae4c07227cc220015df70abc] drm/amdgpu/gfx8: cache rb
config values
git bisect good 392f0c775c80de0eae4c07227cc220015df70abc
# good: [472259f02657ef99cba2a64832ccadad8e3baabe] drm/amd/amdgpu: re-factor
debugfs wave reader
git bisect good 472259f02657ef99cba2a64832ccadad8e3baabe
# good: [f1e68a7cf582b41d6da1dd15b9f0bfb9057c1164] drm/amdgpu/atom: remove a
bunch of unused functions
git bisect good f1e68a7cf582b41d6da1dd15b9f0bfb9057c1164
# good: [585ffd65441a4aea7e762d17f7a248d07cd1c9ac] drm/ttm: fix coding style in
ttm_bo_driver.h
git bisect good 585ffd65441a4aea7e762d17f7a248d07cd1c9ac
# good: [8ed8147abc7cf1f689245deb316aabfe2f657ade] drm/amdgpu: use failed label
to handle context init failure
git bisect good 8ed8147abc7cf1f689245deb316aabfe2f657ade
# bad: [3f767e3d076dd2a24a614917c8f0b05d8d82b90b] drm/amdgpu: just not load smc
firmware if smu is already running
git bisect bad 3f767e3d076dd2a24a614917c8f0b05d8d82b90b
# bad: [86f8c599b09c916f9aad30563271440dbd79213a] drm/amdgpu: when suspend, set
boot state instand of disable dpm.
git bisect bad 86f8c599b09c916f9aad30563271440dbd79213a
# first bad commit: [86f8c599b09c916f9aad30563271440dbd79213a] drm/amdgpu: when
suspend, set boot state instand of disable dpm.</pre>
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