<html><head><style type="text/css"></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;">Hello,<br><br>I have an application which must to synchronize with the vertical synchronisation of my display. <br>To do this synchronization, I use a function of GLX (glXWaitVideoSyncSGI).<br><br>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.<br><br>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.<br><br>So my applicaton is not synchronized with my display.<br><br>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.<br>Where I can configure my application for it uses the pipe B for the VSync ?<br>Is it in the xorg.conf or elsewhere?<br><br>Thanks, Nicolas<br><br></div><br> </body></html>