git bisect start
# bad: [d55dce9083d0308333c83d6abb8ea3560a8293b8] Linux 4.15.1
git bisect bad d55dce9083d0308333c83d6abb8ea3560a8293b8
# good: [bebc6082da0a9f5d47a1ea2edc099bf671058bd4] Linux 4.14
git bisect good bebc6082da0a9f5d47a1ea2edc099bf671058bd4
# good: [5d352e69c60e54b5f04d6e337a1d2bf0dbf3d94a] Merge tag 'media/v4.15-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
git bisect good 5d352e69c60e54b5f04d6e337a1d2bf0dbf3d94a
# bad: [f6705bf959efac87bca76d40050d342f1d212587] Merge tag 'drm-for-v4.15-amd-dc' of git://people.freedesktop.org/~airlied/linux
git bisect bad f6705bf959efac87bca76d40050d342f1d212587
# bad: [8c609698569578913ad40bb160b97c3f6cfa15ec] Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
git bisect bad 8c609698569578913ad40bb160b97c3f6cfa15ec
# bad: [8c609698569578913ad40bb160b97c3f6cfa15ec] Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
git bisect bad 8c609698569578913ad40bb160b97c3f6cfa15ec
# bad: [87331c83797b5d5763a82f09f26fbb6e1a7e6661] Merge tag 'drm-msm-next-2017-11-01' of git://people.freedesktop.org/~robclark/linux into drm-next
git bisect bad 87331c83797b5d5763a82f09f26fbb6e1a7e6661
# bad: [26eedf6daec4e7937c8f0f1dde5e9b8e3dcebfd3] drm/amdgpu: Fix extra call to amdgpu_ctx_put.
git bisect bad 26eedf6daec4e7937c8f0f1dde5e9b8e3dcebfd3
# good: [648bc3574716400acc06f99915815f80d9563783] drm/ttm: add transparent huge page support for DMA allocations v2
git bisect good 648bc3574716400acc06f99915815f80d9563783
# bad: [1af0838de60e723cb02253ecc9b555c30f8f6a6f] drm/virtio: Replace instances of reference/unreference with get/put
git bisect bad 1af0838de60e723cb02253ecc9b555c30f8f6a6f
# bad: [1469619d29d752759a2c9604a74091f92757830a] drm/sun4i: tcon: Check for multiple paths between TCONs and backends
git bisect bad 1469619d29d752759a2c9604a74091f92757830a
# good: [46ad42a3756d5e2078ed05bc99aa197815afac5d] drm/atomic: Fix typo in kerneldoc
git bisect good 46ad42a3756d5e2078ed05bc99aa197815afac5d
# good: [67a3b63a54cbe18944191f43d644686731cf30c7] drm: gma500: fix logic error
git bisect good 67a3b63a54cbe18944191f43d644686731cf30c7
# good: [21a01abbe32a3cbeb903378a24e504bfd9fe0648] drm/atomic: Fix freeing connector/plane state too early by tracking commits, v3.
git bisect good 21a01abbe32a3cbeb903378a24e504bfd9fe0648
# bad: [5663077a56804890506c913b3ca9fee78764f8b3] drm/vc4: clean up error handling on devm_kzalloc failure
git bisect bad 5663077a56804890506c913b3ca9fee78764f8b3
# bad: [77ac3b00b13185741effd0d5e2f1f05e4bfef7dc] drm/atomic: Remove deprecated accessor macros
git bisect bad 77ac3b00b13185741effd0d5e2f1f05e4bfef7dc
# good: [669c9215afea4e3684ef13e54e6908e9ae34f0ae] drm/atomic: Make async plane update checks work as intended, v2.
git bisect good 669c9215afea4e3684ef13e54e6908e9ae34f0ae
# first bad commit: [77ac3b00b13185741effd0d5e2f1f05e4bfef7dc] drm/atomic: Remove deprecated accessor macros