[Bug 29726] New CRTC ID query breaks Radeon DRM in Zaphod mode

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29726

--- Comment #5 from Alex Deucher <agd5f at yahoo.com> 2010-10-24 08:33:15 PDT ---
vblank synchronization apparently does not work correctly in zaphod mode.  You
can disable it by setting the env var vblank_mode=0.

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