Re: [PATCH] tests/gen7_forcewake_mt: Don't set the GGTT bit in SRM command

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On Wed, Apr 09, 2014 at 09:47:57AM -0700, Daniel Vetter wrote:
> On Wed, Apr 09, 2014 at 08:12:28AM -0700, Volkin, Bradley D wrote:
> > On Tue, Apr 08, 2014 at 11:20:30PM -0700, Chris Wilson wrote:
> > > On Tue, Apr 08, 2014 at 02:22:16PM -0700, bradley.d.volkin@xxxxxxxxx wrote:
> > > > From: Brad Volkin <bradley.d.volkin@xxxxxxxxx>
> > > > 
> > > > The command parser in newer kernels will reject it and setting this
> > > > bit is not required for the actual test case.
> > > > 
> > > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76670
> > > > Signed-off-by: Brad Volkin <bradley.d.volkin@xxxxxxxxx>
> > > 
> > > This was written how I did in the ddx...
> > 
> > Oh, I thought you had said that the ddx didn't use MI_STORE_REGISTER_MEM, and
> > I didn't see it used in the current ddx code, so I thought that part of the
> > test wasn't relevant to the actual workaround. It looked like it was just a
> > write so we could see the values and check that they were updated. But if it
> > is, then yeah, I don't want to change the test behavior.
> 
> Hm right I think Chris said that in the ended he never released a ddx
> version with this code. Now I'm indeed rather confused what's going on. If
> we don't need it I obviously prefer less complexity in the kernel cmd
> parser.

Chris, can you help clarify this?

Thanks,
Brad

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