[Intel-gfx] [PATCH] Lower threshold for pixel doubling.

[Chris Wilson]

On Mon, May 20, 2013 at 11:15:08AM -0700, Stuart Abercrombie wrote:
> 90% of core speed (=180MHz dot clock) is too high for 2048x1280 to get
> pixel doubling on Pineview, which it needs to avoid underruns, so
> lower this to 85%.
> 
> Signed-off-by: Stuart Abercrombie <sabercrombie at chromium.org>

I've not found any rationale in the gen3 bspec describing what the upper
limit on usuable bw is. Nothing to support the old value nor the new, so

Acked-by: Chris Wilson <chris at chris-wilson.co.uk>

And quick before Daniel converts the double-wide tracking to
pipe_config...
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre