diff options
| author | Ben Widawsky <ben@bwidawsk.net> | 2011-03-20 04:14:27 +0300 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2011-05-11 00:56:40 +0400 |
| commit | 96f298aa9c9fc9b7c8a2ebaf8c195d178f570e09 (patch) | |
| tree | cfb71da9613d701728520ec5f916e7cb6aa8a889 /mm/dmapool.c | |
| parent | 2c34b850ee1e9f86b41706149d0954eee58757a3 (diff) | |
| download | linux-96f298aa9c9fc9b7c8a2ebaf8c195d178f570e09.tar.xz | |
drm/1915: ringbuffer wait for idle function
Added a new function which waits for the ringbuffer space to be equal to
(total - 8). This is the empty condition of the ringbuffer, and
equivalent to head==tail.
Also modified two users of this functionality elsewhere in the code.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'mm/dmapool.c')
0 files changed, 0 insertions, 0 deletions