Comment 51 for bug 964231

4 steps to go

http://kernel.ubuntu.com/~sarvatt/lp964231/bisect8/

git bisect start 'drivers/gpu/drm'
# good: [28a33cbc24e4256c143dce96c7d93bf423229f92] Linux 3.5
git bisect good 28a33cbc24e4256c143dce96c7d93bf423229f92
# bad: [19f949f52599ba7c3f67a5897ac6be14bfcb1200] Linux 3.8
git bisect bad 19f949f52599ba7c3f67a5897ac6be14bfcb1200
# bad: [a5a0fc67435599d9d787a8d7153967a70fed968e] Merge branch 'exynos-drm-next' of git://git.infradead.org/users/kmpark/linux-samsung into drm-next
git bisect bad a5a0fc67435599d9d787a8d7153967a70fed968e
# bad: [ea9d758d6ddb9f4bb9639619100743e8f5fa85a0] drm/i915: push commit_output_state past the crtc/encoder preparing
git bisect bad ea9d758d6ddb9f4bb9639619100743e8f5fa85a0
# bad: [eeef9b3874d756405ab8f71b4012a2e7ce31458e] drm/i915: Add -EIO to the list of known errors for __wait_seqno
git bisect bad eeef9b3874d756405ab8f71b4012a2e7ce31458e
# skip: [74da01dcfbb6300d758490d5d4efa1314c0e4e8b] drm/radeon: move r100_enable_bm to a more logic place
git bisect skip 74da01dcfbb6300d758490d5d4efa1314c0e4e8b
# skip: [e486fad9136dce21f5ba4322ae0454d23805d342] drm/i915: fix PIPE_WM_LINETIME definition
git bisect skip e486fad9136dce21f5ba4322ae0454d23805d342
# bad: [c20dc3698dc7ecf053e2bf77299ae5982c0c2c45] drm/radeon: fix & improve ih ring handling v3
git bisect bad c20dc3698dc7ecf053e2bf77299ae5982c0c2c45
# bad: [9d9740f099f2eaf309c4c9cbc0d732507140db28] drm/i915: add some barriers when changing DIPs
git bisect bad 9d9740f099f2eaf309c4c9cbc0d732507140db28