[Intel-gfx] [PATCH] drm/i915/sysfs: Adding mocs_state

[Daniel Vetter]

On Fri, May 06, 2016 at 02:16:29PM +0300, Ville Syrjälä wrote:
> On Thu, May 05, 2016 at 07:17:02AM +0000, Antoine, Peter wrote:
> > It's a little overkill?
> > 
> > They just need to know if the cache tables have changed and to be able to sync their indexes to the KMD.
> 
> We already shot ourselves in the foot with this MOCS ABI stuff. This
> sysfs stuff just feels like digging the hole deeper, as in more legacy
> baggage when we eventually have to change the whole apporach anyway.
> Given our track record here I have a feeling that will happen at some
> point.

Yeah, sysfs for MOCS given how bad we just failed at making the ABI solid
sounds like a very bad idea. More incremental ABI changes like Ville
suggested please. This also needs review from Imre to make sure we have a
consistent story here.

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch