[Bug 95472] [i915] Feature request: Add support for fencing for PRIME setups

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95472

--- Comment #48 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Michel Dänzer from comment #47)
> FWIW, this is working correctly between the radeon and amdgpu kernel
> drivers. So no changes to those drivers or to userspace should be necessary.

You really should check the compositors for missing glXWaitX because they've
been relying on the implicit flushes from DRI2 (hence the dri3_wait_x hack for
refreshing the tiled image from the shared linear buffer for tfp support).

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