Vertical Synchronization
Nicolas Cadio <[email protected]> Mon, 17 Aug 2009 13:34:42 +0000 (GMT)
| Newsgroups | gmane.comp.video.dri.user |
|---|---|
| Message-ID | <[email protected]> |
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Hi all,=0A=0AI try to use the vertical synchronization on a program which u=
se the functions of openGL (glXWaitVideoSyncSGI), but the driver drm.ko doe=
s a wait (DRM_WAIT_ON, function : drm_wait_vblank, file : drm_irq.c) on the=
crtc 0 and does a wake up (DRM_WAKEUP) on the crtc 1 so, I haven't synchro=
nisation on my display, the wait take 3 secondes (3*DRM_HZ)=0A=0ASo I would=
like to know how to resolve this problem of crtc. I would like that the wa=
it and the wake up use the same crtc (1). Somebody can help me ?=0A=0AThank=
s, Nicolas=0A=0A=0A
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<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:arial,helvetica,sans-serif;font-size:10p=
t"><div style=3D"font-family: arial,helvetica,sans-serif; font-size: 10pt;"=
><div style=3D"font-family: times new roman,new york,times,serif; font-size=
: 12pt;"><div style=3D"font-family: times new roman,new york,times,serif; f=
ont-size: 12pt; color: rgb(0, 0, 0);">Hi all,<br><br>I try to use the verti=
cal synchronization on a program which use the functions of openGL (glXWait=
VideoSyncSGI), but the driver drm.ko does a wait (DRM_WAIT_ON, function : d=
rm_wait_vblank, file : drm_irq.c) on the crtc 0 and does a wake up (DRM_WAK=
EUP) on the crtc 1 so, I haven't synchronisation on my display, the wait ta=
ke 3 secondes (3*DRM_HZ)<br><br>So I would like to know how to resolve this=
problem of crtc. I would like that the wait and the wake up use the same c=
rtc (1). Somebody can help me ?<br><br>Thanks, Nicolas<br><br>=0A=0A=0A=0A =
</div></div></div></div><br>=0A=0A=0A=0A </body></html>
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