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In DRM_SPIN_WAIT_ON, don't stop after waiting only one tick. 

Continue the loop to recheck the condition and count the whole
duration.
This commit is contained in:
riastradh 2015-04-04 15:46:53 +00:00
parent 1a163254a9
commit 8ed8bab8ef
1 changed files with 3 additions and 2 deletions
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5
sys/external/bsd/drm2/include/drm/drm_wait_netbsd.h vendored
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@ -1,4 +1,4 @@
/* $NetBSD: drm_wait_netbsd.h,v 1.11 2015/02/28 21:30:22 riastradh Exp $ */
/* $NetBSD: drm_wait_netbsd.h,v 1.12 2015/04/04 15:46:53 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@ -147,7 +147,8 @@ DRM_SPIN_WAKEUP_ALL(drm_waitqueue_t *q, spinlock_t *interlock)
(RET) = -cv_timedwait_sig((Q), &(INTERLOCK)->sl_lock, 1); \
if (RET) { \
if ((RET) == -EWOULDBLOCK) \
(RET) = (CONDITION) ? 0 : -EBUSY; \
/* Waited only one tick. */ \
continue; \
break; \
} \
} \