diff options
| author | Dave Airlie <airlied@redhat.com> | 2010-11-22 13:24:40 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-11-22 13:24:40 +1000 |
| commit | d6ea88865d3e5b0c62040531310c1f2c6a994f46 (patch) | |
| tree | b80a7cbc6eeab003b412e3037fd335ce9d572f67 /include/drm/ttm/ttm_execbuf_util.h | |
| parent | 27641c3f003e7f3b6585c01d8a788883603eb262 (diff) | |
drm/ttm: Add a bo list reserve fastpath (v2)
Makes it possible to reserve a list of buffer objects with a single
spin lock / unlock if there is no contention.
Should improve cpu usage on SMP kernels.
v2: Initialize private list members on reserve and don't call
ttm_bo_list_ref_sub() with zero put_count.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm/ttm/ttm_execbuf_util.h')
| -rw-r--r-- | include/drm/ttm/ttm_execbuf_util.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h index cd2c475da9ea..fd09b8438977 100644 --- a/include/drm/ttm/ttm_execbuf_util.h +++ b/include/drm/ttm/ttm_execbuf_util.h @@ -41,7 +41,9 @@ * @bo: refcounted buffer object pointer. * @new_sync_obj_arg: New sync_obj_arg for @bo, to be used once * adding a new sync object. - * @reservied: Indicates whether @bo has been reserved for validation. + * @reserved: Indicates whether @bo has been reserved for validation. + * @removed: Indicates whether @bo has been removed from lru lists. + * @put_count: Number of outstanding references on bo::list_kref. */ struct ttm_validate_buffer { @@ -49,6 +51,8 @@ struct ttm_validate_buffer { struct ttm_buffer_object *bo; void *new_sync_obj_arg; bool reserved; + bool removed; + int put_count; }; /** |