[Bug 28456] radeon dri detects different number of pipes each boot

Tue Jun 8 19:08:27 PDT 2010

https://bugs.freedesktop.org/show_bug.cgi?id=28456

--- Comment #2 from Alexandre <alexandre.nunes at gmail.com> 2010-06-08 19:08:27 PDT ---
(In reply to comment #1)
> Before someone asks, whether or not KMS is set is irrelevant.

I should have been clearer here. It's irrelevant to the 3-versus-1 quad pipe
change. When KMS is not set, flash plugin (e.g. youtube) is much slower (in
case of youtube, the video is not smooth, it even stops rendering; in case of
games, it's overall slow) considering the 1 quad pipe scenario + KMS and
moderately slower than in the 3 pipe scenario + KMS.

Also, My xorg.conf relevant bits:

Section "Device"
       Identifier "Default Device"
       Driver  "radeon"
       Option "TVStandard" "ntsc"
       Option "ColorTiling" "on"
       Option "EnablePageFlip" "on"

       Option "monitor-VGA-0" "VGA-0 Monitor"

EndSection

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