diff options
| author | Christian Gmeiner <christian.gmeiner@gmail.com> | 2017-09-24 15:15:28 +0200 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2017-10-10 11:45:45 +0200 |
| commit | 357713ce9bc86c1ae7ba804731d8db542944463c (patch) | |
| tree | 6a8a0edd3fc47cb62c172bdf90d04431d880dd81 /drivers/power | |
| parent | 249300c740e5bf2b48425e6f0cccc63964a35892 (diff) | |
drm/etnaviv: add 'sync point' support
In order to support performance counters in a sane way we need to provide
a method to sync the GPU with the CPU. The GPU can process multpile command
buffers/events per irq. With the help of a 'sync point' we can trigger an event
and stop the GPU/FE immediately. When the CPU is done with is processing it
simply needs to restart the FE and the GPU will process the command stream.
Changes from v1 -> v2:
- process sync point with a work item to keep irq as fast as possible
Changes from v4 -> v5:
- renamed pmrs_* to sync_point_*
- call event_free(..) in sync_point_worker(..)
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'drivers/power')
0 files changed, 0 insertions, 0 deletions