git bisect start
# bad: [135c5504a600ff9b06e321694fbcac78a9530cd4] Merge tag 'drm-next-2018-06-06-1' of git://anongit.freedesktop.org/drm/drm
git bisect bad 135c5504a600ff9b06e321694fbcac78a9530cd4
# good: [c76f0b2cc2f1be1a8a20f0fe2c0f30919bc559fb] Merge tag 'drm-amdkfd-next-2018-05-14' of git://people.freedesktop.org/~gabbayo/linux into drm-next
git bisect good c76f0b2cc2f1be1a8a20f0fe2c0f30919bc559fb
# good: [92400b8c8b42e53abb0fcb4ac75cb85d4177a891] Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect good 92400b8c8b42e53abb0fcb4ac75cb85d4177a891
# good: [07c4dd3435aa387d3b58f4e941dc516513f14507] Merge tag 'usb-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
git bisect good 07c4dd3435aa387d3b58f4e941dc516513f14507
# bad: [cac18c82e0c5b39b69648942576dbd1d6f9d056e] drm/amdgpu: Specify vega20 uvd firmware
git bisect bad cac18c82e0c5b39b69648942576dbd1d6f9d056e
# bad: [7ab3fdde04218c4733e96712b651751c413d51c3] drm/amd/display: Update MST edid property every time
git bisect bad 7ab3fdde04218c4733e96712b651751c413d51c3
# good: [8ee3a52e3f35e064a3bf82f21dc74ddaf9843648] drm/gpu-sched: fix force APP kill hang(v4)
git bisect good 8ee3a52e3f35e064a3bf82f21dc74ddaf9843648
# bad: [ca8d40ca194dfb573e59a5e42b88da83e63a6630] drm/amdgpu/pm: document power_dpm_state
git bisect bad ca8d40ca194dfb573e59a5e42b88da83e63a6630
# bad: [b5b4ea4d98b42f94442e5d46d5942f392ed8af56] drm/scheduler: move last_sched fence updating prior to job popping (v2)
git bisect bad b5b4ea4d98b42f94442e5d46d5942f392ed8af56
# good: [c5b38aec266deade4067ddc606634ace68d2da8c] drm/amd/display: fix segfault on insufficient TG during validation
git bisect good c5b38aec266deade4067ddc606634ace68d2da8c
# good: [ad019f7b6db893271d13148d6d80001d0c23cdf9] drm/amd/display: add missing colorspace for set black color
git bisect good ad019f7b6db893271d13148d6d80001d0c23cdf9
# bad: [7951e376704773134cefcf0751e9042368226f15] drm/amdgpu: Reserved vram for smu to save debug info.
git bisect bad 7951e376704773134cefcf0751e9042368226f15
# bad: [a906dbb1e20f5791d728c7d9e2366b8acb4f1bb2] drm/amdgpu: add amdgpu_bo_param
git bisect bad a906dbb1e20f5791d728c7d9e2366b8acb4f1bb2
# bad: [f0c0761b38ac30b04d4fed436ff10e894ec0e525] drm/amd/display: Use dig enable to determine fast boot optimization.
git bisect bad f0c0761b38ac30b04d4fed436ff10e894ec0e525
# first bad commit: [f0c0761b38ac30b04d4fed436ff10e894ec0e525] drm/amd/display: Use dig enable to determine fast boot optimization.