Messages in this thread | | | From | Matt Turner <> | Date | Mon, 27 Mar 2023 15:05:48 -0400 | Subject | Re: [PATCH v10 00/15] dma-fence: Deadline awareness |
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On Wed, Mar 8, 2023 at 10:53 AM Rob Clark <robdclark@gmail.com> wrote: > > From: Rob Clark <robdclark@chromium.org> > > This series adds a deadline hint 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 continue to be able to use the atomic helpers > 2) To support cases where display and gpu are different drivers > > This iteration adds a dma-fence ioctl to set a deadline (both to > support igt-tests, and compositors which delay decisions about which > client buffer to display), and a sw_sync ioctl to read back the > deadline. IGT tests utilizing these can be found at:
I read through the series and didn't spot anything. Have a rather weak
Reviewed-by: Matt Turner <mattst88@gmail.com>
Thanks!
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