Messages in this thread | | | Date | Mon, 23 Oct 2023 08:27:17 +0000 | From | Simon Ser <> | Subject | Re: [PATCH v7 4/6] drm: Refuse to async flip with atomic prop changes |
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On Sunday, October 22nd, 2023 at 12:12, Michel Dänzer <michel.daenzer@mailbox.org> wrote:
> On 10/17/23 14:16, Simon Ser wrote: > > > After discussing with André it seems like we missed a plane type check > > here. We need to make sure FB_ID changes are only allowed on primary > > planes. > > Can you elaborate why that's needed?
Current drivers are in general not prepared to perform async page-flips on planes other than primary. For instance I don't think i915 has logic to perform async page-flip on an overlay plane FB_ID change.
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