On Thu, Sep 9, 2021 at 9:42 AM Simon Ser wrote:
>
> On Thursday, September 9th, 2021 at 18:31, Rob Clark
> wrote:
>
> > Yes, I think it would.. and "dma-buf/sync_file: Add SET_DEADLINE
> > ioctl" adds such an ioctl.. just for the benefit of igt tests at this
> > point, but the thought was it wou
On Thursday, September 9th, 2021 at 18:31, Rob Clark
wrote:
> Yes, I think it would.. and "dma-buf/sync_file: Add SET_DEADLINE
> ioctl" adds such an ioctl.. just for the benefit of igt tests at this
> point, but the thought was it would be also used by compositors that
> are doing such frame sch
On Thu, Sep 9, 2021 at 9:16 AM Simon Ser wrote:
>
> Out of curiosity, would it be reasonable to allow user-space (more
> precisely, the compositor) to set the deadline via an IOCTL without
> actually performing an atomic commit with the FB?
>
> Some compositors might want to wait themselves for FB
Out of curiosity, would it be reasonable to allow user-space (more
precisely, the compositor) to set the deadline via an IOCTL without
actually performing an atomic commit with the FB?
Some compositors might want to wait themselves for FB fence completions
to ensure a client doesn't block the whol
From: Rob Clark
This series adds deadline awareness to fences, so realtime deadlines
such as vblank can be communicated to the fence signaller for power/
frequency management decisions.
This is partially inspired by a trick i915 does, but implemented
via dma-fence for a couple of reasons:
1) To
