[Bug 67121] Broken suspend/resume with radeon/KMS on RS482M

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=67121

--- Comment #10 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to Adrian Knoth from comment #9)
> Maybe, but then again, why does with work on a freshly booted machine
> (before first suspend). And last not least, why isn't UMS affected?

UMS runs the bios post to re-init the gpu on resume while kms re-inits the hw
itself.  Presumably the bios post does something else to the system which
prevents the issue.

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