https://bugs.freedesktop.org/show_bug.cgi?id=111305
--- Comment #3 from Alex Deucher <alexdeuc...@gmail.com> ---
(In reply to Paul Menzel from comment #2)
>
> Just to clarify, the VRAM on the external graphics device is powered off,
> correct?
Correct.
>
> Are there any tools to analyze these delays?
I guess profiling the relevant functions in ttm. See if we are waiting on
pages, etc.
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