diff options
Diffstat (limited to 'linux-core/drm_fence.c')
| -rw-r--r-- | linux-core/drm_fence.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/linux-core/drm_fence.c b/linux-core/drm_fence.c index 088c50d6..ce161dc3 100644 --- a/linux-core/drm_fence.c +++ b/linux-core/drm_fence.c @@ -1,8 +1,8 @@ /************************************************************************** - * + * * Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA * All Rights Reserved. - * + * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including @@ -10,17 +10,17 @@ * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: - * + * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ @@ -49,8 +49,6 @@ void drm_fence_handler(drm_device_t * dev, uint32_t class, int is_exe = (type & DRM_FENCE_TYPE_EXE); int ge_last_exe; - - diff = (sequence - fc->exe_flush_sequence) & driver->sequence_mask; if (fc->pending_exe_flush && is_exe && diff < driver->wrap_diff) @@ -59,13 +57,13 @@ void drm_fence_handler(drm_device_t * dev, uint32_t class, diff = (sequence - fc->last_exe_flush) & driver->sequence_mask; ge_last_exe = diff < driver->wrap_diff; - if (ge_last_exe) + if (ge_last_exe) fc->pending_flush &= ~type; if (is_exe && ge_last_exe) { fc->last_exe_flush = sequence; } - + if (list_empty(&fc->ring)) return; @@ -107,9 +105,8 @@ void drm_fence_handler(drm_device_t * dev, uint32_t class, fence->base.hash.key); list_del_init(&fence->ring); } - } - + if (wake) { DRM_WAKEUP(&fc->fence_queue); } @@ -266,7 +263,7 @@ void drm_fence_flush_old(drm_device_t * dev, uint32_t class, uint32_t sequence) fc->exe_flush_sequence = sequence - (driver->flush_diff / 2); } write_unlock_irqrestore(&fm->lock, flags); - + mutex_lock(&dev->struct_mutex); read_lock_irqsave(&fm->lock, flags); @@ -413,7 +410,7 @@ int drm_fence_object_emit(drm_device_t * dev, drm_fence_object_t * fence, fence->signaled = 0x00; fence->sequence = sequence; fence->native_type = native_type; - if (list_empty(&fc->ring)) + if (list_empty(&fc->ring)) fc->last_exe_flush = sequence - 1; list_add_tail(&fence->ring, &fc->ring); write_unlock_irqrestore(&fm->lock, flags); @@ -498,7 +495,6 @@ void drm_fence_manager_init(drm_device_t * dev) drm_fence_driver_t *fed = dev->driver->fence_driver; int i; - rwlock_init(&fm->lock); write_lock(&fm->lock); fm->initialized = 0; |