| drm_lock.c (189048) | drm_lock.c (189869) |
|---|---|
| 1/*- 2 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 3 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation --- 15 unchanged lines hidden (view full) --- 24 * 25 * Authors: 26 * Rickard E. (Rik) Faith <faith@valinux.com> 27 * Gareth Hughes <gareth@valinux.com> 28 * 29 */ 30 31#include <sys/cdefs.h> | 1/*- 2 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 3 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation --- 15 unchanged lines hidden (view full) --- 24 * 25 * Authors: 26 * Rickard E. (Rik) Faith <faith@valinux.com> 27 * Gareth Hughes <gareth@valinux.com> 28 * 29 */ 30 31#include <sys/cdefs.h> |
| 32__FBSDID("$FreeBSD: head/sys/dev/drm/drm_lock.c 189048 2009-02-25 18:25:47Z rnoland $"); | 32__FBSDID("$FreeBSD: head/sys/dev/drm/drm_lock.c 189869 2009-03-16 08:19:11Z rnoland $"); |
| 33 34/** @file drm_lock.c 35 * Implementation of the ioctls and other support code for dealing with the 36 * hardware lock. 37 * 38 * The DRM hardware lock is a shared structure between the kernel and userland. 39 * 40 * On uncontended access where the new context was the last context, the --- 36 unchanged lines hidden (view full) --- 77 dev->lock.file_priv = file_priv; 78 dev->lock.lock_time = jiffies; 79 atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); 80 break; /* Got lock */ 81 } 82 83 /* Contention */ 84 ret = mtx_sleep((void *)&dev->lock.lock_queue, &dev->dev_lock, | 33 34/** @file drm_lock.c 35 * Implementation of the ioctls and other support code for dealing with the 36 * hardware lock. 37 * 38 * The DRM hardware lock is a shared structure between the kernel and userland. 39 * 40 * On uncontended access where the new context was the last context, the --- 36 unchanged lines hidden (view full) --- 77 dev->lock.file_priv = file_priv; 78 dev->lock.lock_time = jiffies; 79 atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); 80 break; /* Got lock */ 81 } 82 83 /* Contention */ 84 ret = mtx_sleep((void *)&dev->lock.lock_queue, &dev->dev_lock, |
| 85 PZERO | PCATCH, "drmlk2", 0); | 85 PCATCH, "drmlk2", 0); |
| 86 if (ret != 0) 87 break; 88 } 89 DRM_UNLOCK(); 90 DRM_DEBUG("%d %s\n", lock->context, ret ? "interrupted" : "has lock"); 91 92 if (ret != 0) 93 return ret; --- 101 unchanged lines hidden --- | 86 if (ret != 0) 87 break; 88 } 89 DRM_UNLOCK(); 90 DRM_DEBUG("%d %s\n", lock->context, ret ? "interrupted" : "has lock"); 91 92 if (ret != 0) 93 return ret; --- 101 unchanged lines hidden --- |