Messages in this thread | | | Date | Wed, 22 Nov 2023 17:28:35 -0300 | Subject | Re: [PATCH v9 0/4] drm: Add support for atomic async page-flip | From | André Almeida <> |
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Hi Hamza,
Em 22/11/2023 17:23, Hamza Mahfooz escreveu: > Hi André, > On 11/22/23 11:19, André Almeida wrote: >> Hi, >> >> This work from me and Simon adds support for DRM_MODE_PAGE_FLIP_ASYNC >> through >> the atomic API. This feature is already available via the legacy API. >> The use >> case is to be able to present a new frame immediately (or as soon as >> possible), even if after missing a vblank. This might result in >> tearing, but >> it's useful when a high framerate is desired, such as for gaming. >> >> Differently from earlier versions, this one refuses to flip if any >> prop changes >> for async flips. The idea is that the fast path of immediate page >> flips doesn't >> play well with modeset changes, so only the fb_id can be changed. >> >> Tested with: >> - Intel TigerLake-LP GT2 >> - AMD VanGogh > > Have you had a chance to test this with VRR enabled? Since, I suspect > this series might break that feature. >
Someone asked this question in an earlier version of this patch, and the result is that VRR still works as expected. You can follow the thread at this link:
https://lore.kernel.org/lkml/b48bd1fc-fcb0-481b-8413-9210d44d709b@igalia.com/
I should have included this note at my cover letter, my bad.
Thanks, André
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