| commit | 96f298aa9c9fc9b7c8a2ebaf8c195d178f570e09 | [log] [tgz] |
|---|---|---|
| author | Ben Widawsky <ben@bwidawsk.net> | Sat Mar 19 18:14:27 2011 -0700 |
| committer | Keith Packard <keithp@keithp.com> | Tue May 10 13:56:40 2011 -0700 |
| tree | cfb71da9613d701728520ec5f916e7cb6aa8a889 | |
| parent | 2c34b850ee1e9f86b41706149d0954eee58757a3 [diff] |
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>