[Bug 40495] r300 performance is slower on sleep resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=40495

--- Comment #6 from Jean-François Fortin Tam <nekohayo at gmail.com> 2011-08-31 11:26:16 PDT ---
Created an attachment (id=50758)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50758)
files requested in bug 39714 comment 4

/sys/kernel/debug/dri/0/radeon_*_mm
/proc/mtrr

But not /sys/kernel/debug/x86/pat_memtype_list, as the file was not present.

I have some doubts that maybe this might be unrelated to suspend/resume, but
instead related to the amount of windows open and/or general bugs/corruption...
I've noticed that after a short while (maybe after opening a couple of browser
windows), not only does performance decrease a lot, but there are weird visual
glitches: font glyphs missing, colors changing in Getting Things GNOME, text
shadows or colors in various apps (gedit, browser windows) going black,
scrollbars going black, etc.

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