Re: [REGRESSION] Too-low frequency limit for AMD GPU PCI-passed-through to Windows VM

[James Turner]

I finished about half of the bisection process today. The log so far is
below. I'll follow up again once I've narrowed it down to a single
commit.

git bisect start
# bad: [e73f0f0ee7541171d89f2e2491130c7771ba58d3] Linux 5.14-rc1
git bisect bad e73f0f0ee7541171d89f2e2491130c7771ba58d3
# good: [62fb9874f5da54fdb243003b386128037319b219] Linux 5.13
git bisect good 62fb9874f5da54fdb243003b386128037319b219
# bad: [e058a84bfddc42ba356a2316f2cf1141974625c9] Merge tag 'drm-next-2021-07-01' of git://anongit.freedesktop.org/drm/drm
git bisect bad e058a84bfddc42ba356a2316f2cf1141974625c9
# good: [a6eaf3850cb171c328a8b0db6d3c79286a1eba9d] Merge tag 'sched-urgent-2021-06-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect good a6eaf3850cb171c328a8b0db6d3c79286a1eba9d
# good: [007b312c6f294770de01fbc0643610145012d244] Merge tag 'mac80211-next-for-net-next-2021-06-25' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
git bisect good 007b312c6f294770de01fbc0643610145012d244
# bad: [18703923a66aecf6f7ded0e16d22eb412ddae72f] drm/amdgpu: Fix incorrect register offsets for Sienna Cichlid
git bisect bad 18703923a66aecf6f7ded0e16d22eb412ddae72f
# good: [c99c4d0ca57c978dcc2a2f41ab8449684ea154cc] Merge tag 'amd-drm-next-5.14-2021-05-19' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
git bisect good c99c4d0ca57c978dcc2a2f41ab8449684ea154cc
# good: [43ed3c6c786d996a264fcde68dbb36df6f03b965] Merge tag 'drm-misc-next-2021-06-01' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
git bisect good 43ed3c6c786d996a264fcde68dbb36df6f03b965
# bad: [050cd3d616d96c3a04f4877842a391c0a4fdcc7a] drm/amd/display: Add support for SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616.
git bisect bad 050cd3d616d96c3a04f4877842a391c0a4fdcc7a

James