Re: [PATCH 08/21] drm/etnaviv: add 'sync point' support

2017-07-02 Thread Christian Gmeiner
2017-06-26 15:30 GMT+02:00 Lucas Stach : > Am Freitag, den 09.06.2017, 12:21 +0200 schrieb Christian Gmeiner: >> 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.

Re: [PATCH 08/21] drm/etnaviv: add 'sync point' support

2017-06-26 Thread Lucas Stach
Am Freitag, den 09.06.2017, 12:21 +0200 schrieb Christian Gmeiner: > 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

[PATCH 08/21] drm/etnaviv: add 'sync point' support

2017-06-09 Thread Christian Gmeiner
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 process