[Bug 107154] [drm] GPU recovery disabled.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107154

--- Comment #1 from dwagner <jb5sgc1n.nya at 20mm.eu> ---
Indeed, crashes upon S3 resumes have been abundant with amdgpu.dc=1 for many
months now, and seemingly for more than one reason.

One bug I reported in August 2017 with
https://bugs.freedesktop.org/show_bug.cgi?id=102323 - that one was fixed
quickly.

The next S3 resume crash I reported in October 2017 in
https://bugs.freedesktop.org/show_bug.cgi?id=103277, that one stayed without
any resolution until April 2018, and the fix found in that report only works if
no "drm.edid_firmware=..." kernel command line option is used.

Another crash bug with S3 resumes I reported for 4.17.2 kernels in
https://bugs.freedesktop.org/show_bug.cgi?id=107065 - then realized that 4.18
pre-releases exhibit the very same kind of crash immediately upon starting X11.
For this crash upon X11 startup, there is a patch in the bug report, but it
does not prevent the S3 resume crash.

I currently work around S3 resume crashes by switching to the console display
before enterin S3 sleep - but this is really an awkward work-around.

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