diff options
| author | Luc Verhaegen <libv@skynet.be> | 2008-12-17 16:37:28 +0100 |
|---|---|---|
| committer | Luc Verhaegen <libv@skynet.be> | 2008-12-29 19:53:45 +0100 |
| commit | 07cd91b6f11b2b616dcb4fc297b20b51e3c498a5 (patch) | |
| tree | b2781cc161057664b1185bb40d566c6463bdcef0 | |
| parent | 83fca4e4d11917d5fb7e37074ccfc8ee329852f4 (diff) | |
Accel: Stop syncing when no acceleration is enabled.
This stops a huge slowdown when engine is not initialised properly.
Warns very verbosely so that callers can eventually be fixed.
| -rw-r--r-- | src/via_accel.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/via_accel.c b/src/via_accel.c index f52875d..4abb843 100644 --- a/src/via_accel.c +++ b/src/via_accel.c @@ -665,6 +665,12 @@ VIAAccelSync(ScrnInfoPtr pScrn) VIAPtr pVia = VIAPTR(pScrn); int loop = 0; + if (!pVia->AccelInfoRec) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "%s: Called without Accel enabled.\n", __func__); + return; + } + mem_barrier(); while (!(VIAGETREG(VIA_REG_STATUS) & VIA_VR_QUEUE_BUSY) && (loop++ < MAXLOOP)) |