[Intel-gfx] [PATCH] drm/i915: add modeset_global_pipes callback for global config adjustments

[Jesse Barnes]

On Fri,  1 Nov 2013 12:24:06 -0700
Jesse Barnes <jbarnes at virtuousgeek.org> wrote:

> In some cases we may need to turn off more pipes than just the ones
> affected by a connector or encoder change, probably due to modifying
> some global resource that requires all pipes to shut down.  Add a hook
> for this purpose to allow platform code to adjust the prepare_pipes
> mask, which allows otherwise active pipes to get shut down for the
> duration of the mode set, then restored at the end.
> 
> Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>

Oops just went back in time with the wrong commit... will resend yet
again.
-- 
Jesse Barnes, Intel Open Source Technology Center