Hello,
I have an application which must to synchronize with the vertical
synchronisation of my display.
To do this synchronization, I use a function of GLX (glXWaitVideoSyncSGI).
This function call the function DRM to wait the vertical synchronization
(drmWaitVBlank) and the driver (drm.ko) does a wait on the pipe A of my Xserver.
But my output (LVDS) of my Xserver is connected to the pipe B and so the
driver (drm.ko) does a wake up on the pipe B.
So my applicaton is not synchronized with my display.
I would like to know how to configure my application for it uses the pipe B
when it does a wait for the vertical synchronization.
Where I can configure my application for it uses the pipe B for the VSync ?
Is it in the xorg.conf or elsewhere?
Thanks, Nicolas
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