[Bug 103271] AMD R9 270X Flickering with DPM Enabled on Linux 4.1 with RadeonSI

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=103271

--- Comment #19 from Kevin McCormack <wittyman37 at yahoo.com> ---
OK, I wasn't satisfied with the last bisect, so I decided to bisect again
between 4.0 and 4.2 to see if I could get anymore info. I think I have
identified the culprit!!

5dfc71bc44d91d1620505c064fa22b0b3db58a9d is the first bad commit
commit 5dfc71bc44d91d1620505c064fa22b0b3db58a9d
Author: Alex Deucher <alexander.deucher at amd.com>
Date:   Thu Jul 9 21:08:17 2015 -0400

    drm/radeon: add a dpm quirk for Sapphire Radeon R9 270X 2GB GDDR5

    bug:
    https://bugs.freedesktop.org/show_bug.cgi?id=76490

    Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
    Cc: stable at vger.kernel.org

:040000 040000 1534fb2d1b515cfd10436a41c1cffd6e46103815
7f55661cf1fc3b880a37e35fcbed9ca9a55568c5 M    drivers


Here is my bisect log...

git bisect start
# good: [39a8804455fb23f09157341d3ba7db6d7ae6ee76] Linux 4.0
git bisect good 39a8804455fb23f09157341d3ba7db6d7ae6ee76
# bad: [64291f7db5bd8150a74ad2036f1037e6a0428df2] Linux 4.2
git bisect bad 64291f7db5bd8150a74ad2036f1037e6a0428df2
# good: [f5ed2febda3ae51cc382a1341381506cec09248b] switchdev: documentation:
fix longer-than-80-char lines
git bisect good f5ed2febda3ae51cc382a1341381506cec09248b
# good: [3d9f96d850e4bbfae24dc9aee03033dd77c81596] Merge tag 'armsoc-dt' of
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
git bisect good 3d9f96d850e4bbfae24dc9aee03033dd77c81596
# skip: [d2fcb5486af754c990f9a11f91195e28ffd4c735] cxgb4: use kvfree() in
t4_free_mem()
git bisect skip d2fcb5486af754c990f9a11f91195e28ffd4c735
# good: [4479004e6409087d1b4986881dc98c6c15dffb28] mac80211: clear
subdir_stations when removing debugfs
git bisect good 4479004e6409087d1b4986881dc98c6c15dffb28
# bad: [8400935737bf02d97da281bdcd139a421624b6ba] Merge tag
'xfs-for-linus-4.2-rc4' of
git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs
git bisect bad 8400935737bf02d97da281bdcd139a421624b6ba
# bad: [00243b1d180b7de3cf38a69948ea46aa0308f8c8] Merge tag
'iio-fixes-for-4.2c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio
into staging-linus
git bisect bad 00243b1d180b7de3cf38a69948ea46aa0308f8c8
# bad: [2b3eb6e33723a0d2ce2b2a56dda8a793460d66cc] Merge tag 'usb-4.2-rc3' of
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
git bisect bad 2b3eb6e33723a0d2ce2b2a56dda8a793460d66cc
# good: [f85c712429ca43ca21daa35f8a47bcaffdb3d5a1] Merge branch 'for-next' of
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
git bisect good f85c712429ca43ca21daa35f8a47bcaffdb3d5a1
# bad: [ef2b731759b9ae6380c9728b60ce92cf32683e94] drm/ttm: fix uncached page
deallocation to properly fill page pool v3.
git bisect bad ef2b731759b9ae6380c9728b60ce92cf32683e94
# bad: [375539832c8cde73fd12762cb7fd223c31b30de0] Merge tag
'topic/drm-fixes-2015-07-16' of git://anongit.freedesktop.org/drm-intel into
drm-fixes
git bisect bad 375539832c8cde73fd12762cb7fd223c31b30de0
# bad: [58829aa67da95d03bcca7605d2556361a1785a08] drm/amdgpu/cz: store the
forced dpm level
git bisect bad 58829aa67da95d03bcca7605d2556361a1785a08
# bad: [5c2327beed49efa3198b8468e78b1182eb0b764b] drm/amdgpu: stop context leak
in the error path
git bisect bad 5c2327beed49efa3198b8468e78b1182eb0b764b
# bad: [12f1384da650bdb835fff63e66fe815ea882fc0e] drm/radeon: fix user ptr race
condition
git bisect bad 12f1384da650bdb835fff63e66fe815ea882fc0e
# bad: [233709d2cd6bbaaeda0aeb8d11f6ca7f98563b39] drm/radeon: Don't flush the
GART TLB if rdev->gart.ptr == NULL
git bisect bad 233709d2cd6bbaaeda0aeb8d11f6ca7f98563b39
# bad: [5dfc71bc44d91d1620505c064fa22b0b3db58a9d] drm/radeon: add a dpm quirk
for Sapphire Radeon R9 270X 2GB GDDR5
git bisect bad 5dfc71bc44d91d1620505c064fa22b0b3db58a9d
# first bad commit: [5dfc71bc44d91d1620505c064fa22b0b3db58a9d] drm/radeon: add
a dpm quirk for Sapphire Radeon R9 270X 2GB GDDR5

-- 
You are receiving this mail because:
You are watching the assignee of the bug.