git bisect start '--' 'include/drm' 'drivers/gpu'
# good: [22763c5cf3690a681551162c15d34d935308c8d7] Linux 2.6.32
git bisect good 22763c5cf3690a681551162c15d34d935308c8d7
# bad: [3ff99164f67aae78a2bd2313f65ad55bddb1ffea] Merge remote branch 'anholt/drm-intel-next' into drm-linus
git bisect bad 3ff99164f67aae78a2bd2313f65ad55bddb1ffea
# good: [103a196f4224dc6872081305cf7f82ebf67aa7bd] drm/i915: PineView only has LVDS and CRT ports
git bisect good 103a196f4224dc6872081305cf7f82ebf67aa7bd
# bad: [c078aa2fc4d8e022c3b611e07b25ff77afdf9b73] drm/ttm: Add TTM execbuf utilities.
git bisect bad c078aa2fc4d8e022c3b611e07b25ff77afdf9b73
# good: [862b89c069cafded4e31029be511f2e0b58d9c5f] drm/edid: Fix up partially corrupted headers
git bisect good 862b89c069cafded4e31029be511f2e0b58d9c5f
# bad: [862302ffe422378a5213f558fc5cdf62c37050a9] drm: Add support for drm master_[set|drop] callbacks.
git bisect bad 862302ffe422378a5213f558fc5cdf62c37050a9
# bad: [7ac96a9cb4982140e206bf3b58236efb2498ab3f] drm/modes: Add drm_mode_hsync()
git bisect bad 7ac96a9cb4982140e206bf3b58236efb2498ab3f
# bad: [9cf00977da092096c7a983276dad8b3002d23a99] drm/edid: Unify detailed block parsing between base and extension blocks
git bisect bad 9cf00977da092096c7a983276dad8b3002d23a99
# good: [9632b41f00cc2fb2846569cc99dbeef78e5c94a0] drm/modes: Fall back to 1024x768 instead of 800x600
git bisect good 9632b41f00cc2fb2846569cc99dbeef78e5c94a0