From dd7cfd641228abb2669d8d047d5ec377b1835900 Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst Date: Tue, 21 Jan 2014 13:07:31 +0100 Subject: drm/ttm: kill fence_lock No users are left, kill it off! :D Conversion to the reservation api is next on the list, after that the functionality can be restored with rcu. Signed-off-by: Maarten Lankhorst --- include/drm/ttm/ttm_bo_api.h | 5 +---- include/drm/ttm/ttm_bo_driver.h | 3 --- 2 files changed, 1 insertion(+), 7 deletions(-) (limited to 'include/drm/ttm') diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index e3d39c80a091..5805f4a49478 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -237,10 +237,7 @@ struct ttm_buffer_object { struct list_head io_reserve_lru; /** - * Members protected by struct buffer_object_device::fence_lock - * In addition, setting sync_obj to anything else - * than NULL requires bo::reserved to be held. This allows for - * checking NULL while reserved but not holding the mentioned lock. + * Members protected by a bo reservation. */ void *sync_obj; diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 5c8bb5699a6f..e1ee141e26cc 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -521,8 +521,6 @@ struct ttm_bo_global { * * @driver: Pointer to a struct ttm_bo_driver struct setup by the driver. * @man: An array of mem_type_managers. - * @fence_lock: Protects the synchronizing members on *all* bos belonging - * to this device. * @vma_manager: Address space manager * lru_lock: Spinlock that protects the buffer+device lru lists and * ddestroy lists. @@ -542,7 +540,6 @@ struct ttm_bo_device { struct ttm_bo_global *glob; struct ttm_bo_driver *driver; struct ttm_mem_type_manager man[TTM_NUM_MEM_TYPES]; - spinlock_t fence_lock; /* * Protected by internal locks. -- cgit v1.2.3