Re: [PATCH 2/2] drm/i915/bdw: Setup global hardware status page in execlists mode

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On Fri, Oct 24, 2014 at 08:30:56AM +0000, Daniel, Thomas wrote:
> 
> 
> > -----Original Message-----
> > From: Daniel Vetter [mailto:daniel.vetter@xxxxxxxx] On Behalf Of Daniel
> > Vetter
> > Sent: Friday, October 24, 2014 9:15 AM
> > To: Daniel, Thomas
> > Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; shuang.he@xxxxxxxxxxxxxxx
> > Subject: Re:  [PATCH 2/2] drm/i915/bdw: Setup global hardware
> > status page in execlists mode
> > So every time a random new contexts gets created we write a new value into
> > the HWS_PGA register? Shouldn't this only be done when we set up the
> > default/system context?
> The write is inside an if(ctx == ring->default_ctx) block.
> We only write when the default context is created.

Hm right, confusing diff context. And I guess we can't move that out to
logical_ring_init since it must happen before we init the render ring?

I think extracting this entire block into a setup_global_hws or so helper
function would be useful for clarity.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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