Re: [Intel-gfx] [PATCH] dma-fence: Make ->enable_signaling optional

2018-05-07 Thread Maarten Lankhorst
Op 04-05-18 om 16:10 schreef Daniel Vetter: > Many drivers have a trivial implementation for ->enable_signaling. > Let's make it optional by assuming that signalling is already > available when the callback isn't present. > > v2: Don't do the trick to set the ENABLE_SIGNAL_BIT > unconditionally, it

[Intel-gfx] [PATCH] dma-fence: Make ->enable_signaling optional

2018-05-04 Thread Daniel Vetter
Many drivers have a trivial implementation for ->enable_signaling. Let's make it optional by assuming that signalling is already available when the callback isn't present. v2: Don't do the trick to set the ENABLE_SIGNAL_BIT unconditionally, it results in an expensive spinlock take for everyone. In