diff options
| author | Christian König <christian.koenig@amd.com> | 2019-10-01 10:02:58 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2019-10-25 11:40:28 +0200 |
| commit | 7fb03cc3e0794f00b8f154f335ad5b4eb4d78c58 (patch) | |
| tree | 9b556061a491d7eb6faf37e779cb9c81b696415c /include/drm | |
| parent | c6a5f8daff1179a443f3bf797c0400d84a8818a0 (diff) | |
| download | linux-7fb03cc3e0794f00b8f154f335ad5b4eb4d78c58.tar.bz2 | |
drm/ttm, drm/vmwgfx: move cpu_writers handling into vmwgfx
This feature is only used by vmwgfx and superfluous for everybody else.
Signed-off-by: Christian König <christian.koenig@amd.com>
Co-developed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Tested-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/333650/
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index d2277e06316d..9fb1408c6199 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -147,7 +147,6 @@ struct ttm_tt; * holds a pointer to a persistent shmem object. * @ttm: TTM structure holding system pages. * @evicted: Whether the object was evicted without user-space knowing. - * @cpu_writes: For synchronization. Number of cpu writers. * @lru: List head for the lru list. * @ddestroy: List head for the delayed destroy list. * @swap: List head for swap LRU list. @@ -199,12 +198,6 @@ struct ttm_buffer_object { bool evicted; /** - * Members protected by the bo::reserved lock only when written to. - */ - - atomic_t cpu_writers; - - /** * Members protected by the bdev::lru_lock. */ @@ -442,31 +435,6 @@ bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo, const struct ttm_place *place); /** - * ttm_bo_synccpu_write_grab - * - * @bo: The buffer object: - * @no_wait: Return immediately if buffer is busy. - * - * Synchronizes a buffer object for CPU RW access. This means - * command submission that affects the buffer will return -EBUSY - * until ttm_bo_synccpu_write_release is called. - * - * Returns - * -EBUSY if the buffer is busy and no_wait is true. - * -ERESTARTSYS if interrupted by a signal. - */ -int ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait); - -/** - * ttm_bo_synccpu_write_release: - * - * @bo : The buffer object. - * - * Releases a synccpu lock. - */ -void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo); - -/** * ttm_bo_acc_size * * @bdev: Pointer to a ttm_bo_device struct. |