From: Michel Dänzer <[email protected]> It may be disabled in the Xorg build, either explicitly or because the xshmfence library isn't available.
(ported from amdgpu commit 1d0b0c1794e65e581a48aa9fb19679d928d82a5d) Signed-off-by: Michel Dänzer <[email protected]> --- src/radeon_sync.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/radeon_sync.c b/src/radeon_sync.c index d9ffbaf..86e0283 100644 --- a/src/radeon_sync.c +++ b/src/radeon_sync.c @@ -85,6 +85,13 @@ radeon_sync_init(ScreenPtr screen) RADEONInfoPtr info = RADEONPTR(scrn); SyncScreenFuncsPtr screen_funcs; + if (!xf86LoaderCheckSymbol("miSyncShmScreenInit")) { + xf86DrvMsg(scrn->scrnIndex, X_WARNING, + "SYNC extension fences disabled because " + "miSyncShmScreenInit symbol unresolved\n"); + return FALSE; + } + if (!miSyncShmScreenInit(screen)) { xf86DrvMsg(scrn->scrnIndex, X_WARNING, "SYNC extension fences disabled because " -- 2.7.0 _______________________________________________ xorg-driver-ati mailing list [email protected] https://lists.x.org/mailman/listinfo/xorg-driver-ati
