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https://bugs.freedesktop.org/show_bug.cgi?id=104441 Bug ID: 104441 Summary: drm/nouveau: drm_hwcomposer cannot get rotation property/does not work Product: xorg Version: unspecified Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: Driver/nouveau...

...staging ioctl locked down forever. The other part I don't like with this plan is that it looks a bit like it could be easily abused to evade the open source userspace requirement upstream has for new interfaces. Doesn't help that your first staging ioctl doesn't come with links to mesa/hwc/whatever patches attached ;-) Overall I don't think this will help - you need internal branch management anyway, and upstreaming new ABI is somewhat painful for a reason: Screwing things up is really expensive long-term, and the drm community has paid that price a few too many times. Cheers,...

Second version of this patchset addressing Ben's comments and fixing a few extra things. This patchset proposes to introduce a "staging" module option to dynamically enable features (mostly ioctls) that are merged but may be refined before they are declared "stable". The second patch illustrates the use of this staging option with the SET_TILING ioctl, which can be used to

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