[Bug 99215] AMDgpu freeze results in color corruption (red artifacts) in X on every subsequent boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99215

--- Comment #3 from Andy Furniss <adf.lists at gmail.com> ---
This involves llvm change anyway, but more generally, rebooting or (soft) power
off really doesn't totally reset GPUs.

You need to shutdown/soft power off the best you can and then totally cut power
by turning off PSU switch or unplugging. You should then wait a couple of
minutes to be sure everything has "drained" before powering up again.

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