From 1759c16ab9b64598968a0058039e8a66bf5f9773 Mon Sep 17 00:00:00 2001 From: David Dawes Date: Mon, 9 Apr 2001 16:27:54 +0000 Subject: Import -f XFree86 4.0.99.2 --- bsd/drm/lock.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'bsd/drm/lock.c') diff --git a/bsd/drm/lock.c b/bsd/drm/lock.c index 1affcd1d..ec295b2b 100644 --- a/bsd/drm/lock.c +++ b/bsd/drm/lock.c @@ -135,9 +135,12 @@ static int drm_flush_queue(drm_device_t *dev, int context) if (atomic_read(&q->use_count) > 1) { atomic_inc(&q->block_write); atomic_inc(&q->block_count); - error = tsleep(&q->flush_queue, PCATCH|PZERO, "drmfq", 0); - if (error) - return error; + for (;;) { + if (!DRM_BUFCOUNT(&q->waitlist)) break; + error = tsleep(&q->flush_queue, PCATCH|PZERO, "drmfq", 0); + if (error) + return error; + } atomic_dec(&q->block_count); } atomic_dec(&q->use_count); -- cgit v1.2.3