[Bug 30025] New: r600 kms, massave slowdown with latest drm-radeon-testing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30025

           Summary: r600 kms,  massave slowdown with latest
                    drm-radeon-testing
           Product: DRI
           Version: XOrg CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: chainsawbike at gmail.com


ive bisected to this commit:
http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commitdiff;h=8b8d01dff630e9725828689d001ec9bc5baba0b7

odd thing i noted:
if i run compiz with vblank_mode=0 and run glxgears  it reports a frame-rate of
about 1500 fps ( being the same as i get when running the previous revision
kernel) but its still looks as slow as molasses
if i unset vblank_mode then run it it reports about 5 fps but looks the same as
before

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