[Bug 38800] glXSwapBuffersMscOML is slow on AMD Fusion but not on Intel 945 w/Atom

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=38800

--- Comment #19 from Simon Farnsworth <simon.farnsworth at onelan.co.uk> 2011-07-06 03:19:46 PDT ---
I'm using the preferred mode from the panel's EDID, which xrandr says is:

  1920x1200 (0x54)  154.0MHz +HSync -VSync *current +preferred
        h: width  1920 start 1968 end 2000 total 2080 skew    0 clock   74.0KHz
        v: height 1200 start 1203 end 1209 total 1235           clock   60.0Hz

The panel is a Dell 2408WFP. This looks identical to the mode generated by cvt
-r 1920 1200 60:

# cvt -r 1920 1200 60
# 1920x1200 59.95 Hz (CVT 2.30MA-R) hsync: 74.04 kHz; pclk: 154.00 MHz
Modeline "1920x1200R"  154.00  1920 1968 2000 2080  1200 1203 1209 1235 +hsync
-vsync

so I'd guess that it is reduced blanking.

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