[Bug 54691] Error enabling power savings on Ironlake chip since 3.8.0

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=54691





--- Comment #2 from Ilya Tumaykin <itumaykin at gmail.com>  2013-03-03 04:08:34 ---
git bisect log output (JIC):

git bisect start
# good: [356d8c6fb2a7cf49e836742738a8b9a47e77cfea] Linux 3.7.10
git bisect good 356d8c6fb2a7cf49e836742738a8b9a47e77cfea
# bad: [19f949f52599ba7c3f67a5897ac6be14bfcb1200] Linux 3.8
git bisect bad 19f949f52599ba7c3f67a5897ac6be14bfcb1200
# good: [29594404d7fe73cd80eaa4ee8c43dcc53970c60e] Linux 3.7
git bisect good 29594404d7fe73cd80eaa4ee8c43dcc53970c60e
# good: [dadfab4873256d2145640c0ce468fcbfb48977fe] Merge tag 'firewire-updates'
of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
git bisect good dadfab4873256d2145640c0ce468fcbfb48977fe
# bad: [992956189de58cae9f2be40585bc25105cd7c5ad] efi: Fix the build with user
namespaces enabled.
git bisect bad 992956189de58cae9f2be40585bc25105cd7c5ad
# good: [2b8318881ddbcb67c5e8d2178b42284749442222] Merge tag 'fbdev-for-3.8' of
git://gitorious.org/linux-omap-dss2/linux
git bisect good 2b8318881ddbcb67c5e8d2178b42284749442222
# bad: [3c2e81ef344a90bb0a39d84af6878b4aeff568a2] Merge branch 'drm-next' of
git://people.freedesktop.org/~airlied/linux
git bisect bad 3c2e81ef344a90bb0a39d84af6878b4aeff568a2
# good: [640631d04cd2cfbb4792d6a8fc5fcab14ee273a5] drm/exynos: use sgt instead
of pages for framebuffer address
git bisect good 640631d04cd2cfbb4792d6a8fc5fcab14ee273a5
# good: [aed606e3bc1f10753254db308d3fd8c053c41328] Merge branch 'for-next' of
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
git bisect good aed606e3bc1f10753254db308d3fd8c053c41328
# good: [221392c3ad0432e39fd74a349364f66cb0ed78f6] sched: numa: Fix build error
if CONFIG_NUMA_BALANCING && !CONFIG_TRANSPARENT_HUGEPAGE
git bisect good 221392c3ad0432e39fd74a349364f66cb0ed78f6
# good: [01ce113ca5b18aea4c97dea62287394ca4f8ad7f] drm/exynos: modify
wait_for_vblank of fimd
git bisect good 01ce113ca5b18aea4c97dea62287394ca4f8ad7f
# good: [2f3f24061c5c489074ad492bf694a5a76ebd8fc5] Merge branch
'exynos-drm-next' of
git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
git bisect good 2f3f24061c5c489074ad492bf694a5a76ebd8fc5
# bad: [633cf8f5056c3e72158e4dbc387b3d65926d2d55] drm/i915: Don't allow ring
tail to reach the same cacheline as head
git bisect bad 633cf8f5056c3e72158e4dbc387b3d65926d2d55
# good: [45e2b5f640b3766da3eda48f6c35f088155c06f3] drm/i915: force restore on
lid open
git bisect good 45e2b5f640b3766da3eda48f6c35f088155c06f3
# bad: [3e9605018ab3e333d51cc90fccfde2031886763b] drm/i915: Rearrange code to
only have a single method for waiting upon the ring
git bisect bad 3e9605018ab3e333d51cc90fccfde2031886763b
# good: [b662a0663230853fccdfceeda5db031f5d4b657c] drm/i915: Simplify flushing
activity on the ring
git bisect good b662a0663230853fccdfceeda5db031f5d4b657c

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