[Intel-gfx] [PATCH] drm/i915: Restrict GPU boost to the RCS engine

[Daniel Vetter]

On Wed, Dec 17, 2014 at 03:12:05PM +0000, Chris Wilson wrote:
> On Thu, Jun 12, 2014 at 10:28:55AM +0100, Chris Wilson wrote:
> > Make the assumption that media workloads are not as latency sensitive
> > for __wait_seqno, and that upclocking the GPU does not affect the BLT
> > engine. Under that assumption, we only wait to forcibly upclock the GPU
> > when we are stalling for results from the render pipeline.
> 
> For reference, the BLT does depend upon the gpu frequency (and acts as
> a media source of busyness), and to lesser extent the ring/memory bw,
> also controlled as a side-effect of gpu frequency.
> 
> Tested on ivb, i7-3720QM

Since the patch landed already, can you please submit a fixup to add the
|| ring == BLT with Deepak on cc so he can review it?

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch