Couldn't you just tell the commands? What is the point of me reading through xorg.conf man page if I only need one concrete thing. I see nothing that could be helpful:
Originally Posted by curaga
man radeon | grep sync
XV_VSYNC is used to control whether textured adapter synchronizes the screen update to the
XV_CRTC is used to control which display controller (crtc) the textured adapter synchro‐
nizes the screen update with when XV_VSYNC is enabled. The default, 'auto'(-1), will sync
things like clone mode where the user can best decide which display should be synced. The
man xorg.conf | grep sync
This option controls whether the log is flushed and/or synced to disk after each message.
Possible values are flush or sync. Unset by default.
gives the range(s) of horizontal sync frequencies supported by the monitor.
horizsync-range may be a comma separated list of either discrete values or ranges of val‐
HTimings hdisp hsyncstart hsyncend htotal
VTimings vdisp vsyncstart vsyncend vtotal
of the VSync signal. "Composite" can be used to specify composite sync on hardware
used to select the composite sync polarity.
tal timings. These numbers are the hdisp, hsyncstart, hsyncend, and htotal values. The
the vdisp, vsyncstart, vsyncend, and vtotal values. The final section is a list of flags
select the polarity of the VSync signal. Composite can be used to specify composite sync
be used to select the composite sync polarity. The HSkew and VScan options mentioned above
This option controls whether the video card should drive the sync signal on the green color
You can set sync_vblank on a per-application basis.