[Intel-gfx] [PATCH] [v3] drm/i915: Fix context sizes on HSW

[Daniel Vetter]

On Tue, Jun 25, 2013 at 09:53:40PM -0700, Ben Widawsky wrote:
> With updates to the spec, we can actually see the context layout, and
> how many dwords are allocated. That table suggests we need 70720 bytes
> per HW context. Rounded up, this is 18 pages. Looking at what lives
> after the current 4 pages we use, I can't see too much important (mostly
> it's d3d related), but there are a couple of things which look scary. I
> am hopeful this can explain some of our odd HSW failures.
> 
> v2: Make the context only 17 pages. The power context space isn't used
> ever, and execlists aren't used in our driver, making the actual total
> 66944 bytes.
> 
> v3: Add a comment to the code. (Jesse & Paulo)
> 
> Reported-by: "Azad, Vinit" <vinit.azad at intel.com>
> Cc: stable at vger.kernel.org
> Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>

Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch