[Intel-gfx] FBC patchset

[Keith Packard]

On Fri, 08 Jul 2011 20:43:47 +0100, Chris Wilson <chris at chris-wilson.co.uk> wrote:

> Bumping to 250ms sufficiently delays the task to miss the race, but we
> can not foretell just how long any given crtc modeset will take. So what
> we need is to take the mode_config.lock in order to prevent concurrent
> access to the FBC registers and also to prevent the fb from disappearing
> beneath us:

Sounds like we also need to push out any FBC reconfiguration anytime
modesetting occurs to ensure that we've waited past a vblank interval?

-- 
keith.packard at intel.com
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