From 5eeb44f3983dfda2f2707783be12806da795cbcd Mon Sep 17 00:00:00 2001 From: Michel Dänzer Date: Wed, 12 Aug 2009 19:11:11 +0200 Subject: st/xorg: Acquire/drop DRM master in order to work with multiple servers. --- src/gallium/state_trackers/xorg/xorg_driver.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'src') diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c index d68fd37697..53d1a33095 100644 --- a/src/gallium/state_trackers/xorg/xorg_driver.c +++ b/src/gallium/state_trackers/xorg/xorg_driver.c @@ -633,6 +633,10 @@ LeaveVT(int scrnIndex, int flags) RestoreHWState(pScrn); + if (drmDropMaster(ms->fd)) + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "drmDropMaster failed: %s\n", strerror(errno)); + pScrn->vtSema = FALSE; } @@ -645,6 +649,17 @@ EnterVT(int scrnIndex, int flags) ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; modesettingPtr ms = modesettingPTR(pScrn); + if (drmSetMaster(ms->fd)) { + if (errno == EINVAL) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "drmSetMaster failed: 2.6.29 or newer kernel required for " + "multi-server DRI\n"); + } else { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "drmSetMaster failed: %s\n", strerror(errno)); + } + } + /* * Only save state once per server generation since that's what most * drivers do. Could change this to save state at each VT enter. -- cgit v1.2.3