git bisect start
# bad: [8b660f48b5734edc272a008a34207cf1a249fcf7] Linux 4.0.4
git bisect bad 8b660f48b5734edc272a008a34207cf1a249fcf7
# good: [fa253b2c80b4eb25785e98541842996cbd36ef83] Linux 4.0.3
git bisect good fa253b2c80b4eb25785e98541842996cbd36ef83
# good: [0559366f72c86288c8d3dc5cae91dfc2f6e26ad9] ARM: dts: imx23-olinuxino: Fix dr_mode of usb0
git bisect good 0559366f72c86288c8d3dc5cae91dfc2f6e26ad9
# bad: [88c4cb28e333782838b2101336d75c5765044e4c] drm/radeon: don't setup audio on asics that don't support it
git bisect bad 88c4cb28e333782838b2101336d75c5765044e4c
# good: [a314c7d8d9ca0af1d86cf01ebfe102f300cf6fa5] ARM: ux500: Enable GPIO regulator for SD-card for snowball
git bisect good a314c7d8d9ca0af1d86cf01ebfe102f300cf6fa5
# bad: [d226dcb5a72061174d007d36f47a8ffdc28c29ec] drm/i915/dp: there is no audio on port A
git bisect bad d226dcb5a72061174d007d36f47a8ffdc28c29ec
# bad: [09af0842dac496aae363719c449cb88dcc953299] drm/i915: Assume dual channel LVDS if pixel clock necessitates it
git bisect bad 09af0842dac496aae363719c449cb88dcc953299
# bad: [fcfb5aa246c80df8b0a2ccadd7284b4c189149b0] drm: Zero out invalid vblank timestamp in drm_update_vblank_count.
git bisect bad fcfb5aa246c80df8b0a2ccadd7284b4c189149b0
# first bad commit: [fcfb5aa246c80df8b0a2ccadd7284b4c189149b0] drm: Zero out invalid vblank timestamp in drm_update_vblank_count.