# bad: [c9eaa447e77efe77b7fa4c953bd62de8297fd6c5] Linux 3.15-rc1
# good: [455c6fdbd219161bd09b1165f11699d6d73de11c] Linux 3.14
git bisect start 'v3.15-rc1' 'v3.14' '--' 'drivers/gpu/'
# good: [e19b9137142988bec5a76c5f8bdf12a77ea802b0] Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next
git bisect good e19b9137142988bec5a76c5f8bdf12a77ea802b0
# good: [0d3215e3857ab679f74c9b26b7e711955c9d0438] drm/ttm: Add a ttm_ref_object_exists function
git bisect good 0d3215e3857ab679f74c9b26b7e711955c9d0438
# good: [efbc20abd826033859cc28d1442e48640cf09045] drm/i915: don't read pp_ctrl_reg if we're suspended
git bisect good efbc20abd826033859cc28d1442e48640cf09045
# bad: [14c6d5bdf759274868c6a3534e56f1991118df63] Merge tag 'vmwgfx-next-2014-04-04' of git://people.freedesktop.org/~thomash/linux into drm-next
git bisect bad 14c6d5bdf759274868c6a3534e56f1991118df63
# bad: [a8947f576728a66bd3aac629bd8ca021a010c808] drm/radeon: fix endian swap on hawaii clear state buffer setup
git bisect bad a8947f576728a66bd3aac629bd8ca021a010c808
# good: [2d82d188b2cb11b6b221eb84dda2344ef3cd1bb4] drm/msm: Switch to universal plane API's
git bisect good 2d82d188b2cb11b6b221eb84dda2344ef3cd1bb4
# bad: [2844ea3f252331cc0ecf3ae74f6226db2f580f8a] Merge branch 'primary-plane' of git://people.freedesktop.org/~robclark/linux into drm-next
git bisect bad 2844ea3f252331cc0ecf3ae74f6226db2f580f8a
# bad: [177cf92de4aa97ec1435987e91696ed8b5023130] drm/crtc-helpers: fix dpms on logic
git bisect bad 177cf92de4aa97ec1435987e91696ed8b5023130
# good: [41ccec352f3c823931a7d9d2a9c7880c14d7415a] drm/qxl: unset a pointer in sync_obj_unref
git bisect good 41ccec352f3c823931a7d9d2a9c7880c14d7415a
# first bad commit: [177cf92de4aa97ec1435987e91696ed8b5023130] drm/crtc-helpers: fix dpms on logic