[Intel-gfx] [PATCH] [v3] drm/i915/bdw: Always issue a force restore

[Ben Widawsky]

On Wed, May 28, 2014 at 10:54:21PM -0700, Ben Widawsky wrote:
> On Wed, May 28, 2014 at 04:06:58PM -0700, Ben Widawsky wrote:
> > The PDPs seem to get screwed up otherwise, specifically PDP0. I am not
> > really clear why this is required, it just works with full PPGTT.
> > 
> > v2: Only do it for gen8, to limit regression potential
> > 
> > v3: Fix the bugzilla links
> 
> I should note there is a problem with this patch. Without full PPGTT, we
> also do a restore inhibit on the default context, and therefore any test
> which is running and not using contexts (like everything in IGT) is
> programming restore inhibit as well as force restore, which as has been
> pointed out in the semaphore series is weird at best.
> 
> All I know is the patch fixed at least a few of the bugs mentioned
> below. I guess we'll figure out what to do when the QA results come in.
> 
> [snip]
> 

Okay, now I am really confused. I've changed machines and none of these
tests are passing for me now. Until I figured out what happened, please
ignore this thread. Sorry for the noise.


-- 
Ben Widawsky, Intel Open Source Technology Center