git bisect start
# good: [28a33cbc24e4256c143dce96c7d93bf423229f92] Linux 3.5
git bisect good 28a33cbc24e4256c143dce96c7d93bf423229f92
# bad: [5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52] Linux 3.12
git bisect bad 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52
# good: [5ce1a70e2f00f0bce0cab57f798ca354b9496169] Merge branch 'akpm' (more incoming from Andrew)
git bisect good 5ce1a70e2f00f0bce0cab57f798ca354b9496169
# good: [ce49b6289fa3878b190f15192e54bb23dca552b6] Merge tag 'staging-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
git bisect good ce49b6289fa3878b190f15192e54bb23dca552b6
# bad: [3ce9b35ff6de8dfebb0b0045e667c000f632e563] ipv6: move ip6_dst_hoplimit() into core kernel
git bisect bad 3ce9b35ff6de8dfebb0b0045e667c000f632e563
# bad: [2e17c5a97e231f3cb426f4b7895eab5be5c5442e] Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
git bisect bad 2e17c5a97e231f3cb426f4b7895eab5be5c5442e
# good: [f991fae5c6d42dfc5029150b05a78cf3f6c18cc9] Merge tag 'pm+acpi-3.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
git bisect good f991fae5c6d42dfc5029150b05a78cf3f6c18cc9
# good: [b2c311075db578f1433d9b303698491bfa21279a] Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
git bisect good b2c311075db578f1433d9b303698491bfa21279a
# bad: [f4dec31861e938267d41a962f145edc7d81c8e92] drm/radeon/dpm: implement vblank_too_short callback for si
git bisect bad f4dec31861e938267d41a962f145edc7d81c8e92
# good: [854c94a7854a4fabdd7db451cf1774e6dcba6bab] drm/i915: remove a superflous semi-colon
git bisect good 854c94a7854a4fabdd7db451cf1774e6dcba6bab
# bad: [a144acbcfbfea44a80afc8f880a7ad72bf01c819] drm/radeon/SI: fix TDP adjustment in set_power_state
git bisect bad a144acbcfbfea44a80afc8f880a7ad72bf01c819
# bad: [7c464f68b361aa05f964e22f7a8be4e7a7698a70] drm/radeon: add dpm UVD handling for r7xx asics
git bisect bad 7c464f68b361aa05f964e22f7a8be4e7a7698a70
# good: [44fa346f7ac0e23a53ae0a5587d14ef1c3f86647] drm/radeon: add get_gpu_clock_counter() callback for cik
git bisect good 44fa346f7ac0e23a53ae0a5587d14ef1c3f86647
# good: [46f9564ab03e4bf04ffa9647c4d42751f5cdcb97] drm/radeon/evergreen: add indirect register accessors for CG registers
git bisect good 46f9564ab03e4bf04ffa9647c4d42751f5cdcb97
# bad: [cf0cfdd7a7c87dff0f4ac6084b73fec83caa71a4] drm/radeon/kms: fix up dce4/5 display watermark calc for dpm
git bisect bad cf0cfdd7a7c87dff0f4ac6084b73fec83caa71a4
# good: [ae5b0abbb6f7478688ac2846b82c9dcc17718daa] drm/radeon/kms: add atom helper functions for dpm (v3)
git bisect good ae5b0abbb6f7478688ac2846b82c9dcc17718daa
# bad: [da321c8a6a2a947710499273aaad733974af1689] drm/radeon/kms: add common dpm infrastructure
git bisect bad da321c8a6a2a947710499273aaad733974af1689
# good: [ca361b6538bd91c33af7cb0bed6accc292b10253] drm/radeon/kms: add new asic struct for rv6xx (v4)
git bisect good ca361b6538bd91c33af7cb0bed6accc292b10253
# first bad commit: [da321c8a6a2a947710499273aaad733974af1689] drm/radeon/kms: add common dpm infrastructure