[Intel-gfx] [RFC 7/8] drm/i915: Allow final wm programming to be scheduled after next vblank (v2)

[Maarten Lankhorst]

Op 02-07-15 om 04:26 schreef Matt Roper:
> Add a simple mechanism to trigger final watermark updates in an
> asynchronous manner once the next vblank occurs.  No platform types
> actually support atomic watermark programming until a future patch, so
> there should be no functional change yet; individual platforms will be
> converted to use this mechanism one-by-one in future patches.
>
> Note that we'll probably expand this to cover other post-vblank async
> tasks (like unpinning) at some point in the future.
>
> v2: Much simpler vblank mechanism than was used in the previous series;
>     no need to allocate new heap structures.
>
Patch 1-6 are good. But 7 and 8 make my life harder.

There is more that needs to be done asynchronously, can you just commit the watermarks synchronously after drm_atomic_helper_wait_for_vblanks for now?

~Maarten