Re: [Intel-gfx] [PATCH 3/4] drm/i915: Interrupt driven fences

2015-06-26 Thread Chris Wilson
On Fri, Jun 26, 2015 at 06:00:03PM +0100, John Harrison wrote: > On 26/06/2015 14:34, Chris Wilson wrote: > >On Fri, Jun 26, 2015 at 01:58:11PM +0100, john.c.harri...@intel.com wrote: > >>From: John Harrison > >> > >>The intended usage model for struct fence is that the signalled status > >>shoul

Re: [Intel-gfx] [PATCH 3/4] drm/i915: Interrupt driven fences

2015-06-26 Thread John Harrison
On 26/06/2015 14:34, Chris Wilson wrote: On Fri, Jun 26, 2015 at 01:58:11PM +0100, john.c.harri...@intel.com wrote: From: John Harrison The intended usage model for struct fence is that the signalled status should be set on demand rather than polled. That is, there should not be a need for a '

Re: [Intel-gfx] [PATCH 3/4] drm/i915: Interrupt driven fences

2015-06-26 Thread Chris Wilson
On Fri, Jun 26, 2015 at 01:58:11PM +0100, john.c.harri...@intel.com wrote: > From: John Harrison > > The intended usage model for struct fence is that the signalled status should > be > set on demand rather than polled. That is, there should not be a need for a > 'signaled' function to be called

[Intel-gfx] [PATCH 3/4] drm/i915: Interrupt driven fences

2015-06-26 Thread John . C . Harrison
From: John Harrison The intended usage model for struct fence is that the signalled status should be set on demand rather than polled. That is, there should not be a need for a 'signaled' function to be called everytime the status is queried. Instead, 'something' should be done to enable a signal