[Freedreno] [PATCH 10/12] firmware: qcom_scm: Add qcom_scm_gpu_zap_resume()

[Andy Gross]

On Fri, Jan 13, 2017 at 10:22:45AM -0700, Jordan Crouse wrote:
> On Fri, Jan 13, 2017 at 11:12:41AM -0600, Andy Gross wrote:
> > On Mon, Nov 28, 2016 at 12:28:35PM -0700, Jordan Crouse wrote:
> > > Add an interface to trigger the remote processor to reinitialize the GPU
> > > zap shader on power-up.
> > > 
> > > Signed-off-by: Jordan Crouse <jcrouse at codeaurora.org>
> > > ---
> > 
> > <snip>
> > 
> > > +int __qcom_scm_gpu_zap_resume(struct device *dev)
> > > +{
> > > +	struct qcom_scm_desc desc = {0};
> > > +	struct arm_smccc_res res;
> > > +	int ret;
> > > +
> > > +	desc.args[0] = 0;
> > > +	desc.args[1] = 13;
> > 
> > Can I get a define here for these two?  Or maybe a comment on what these values
> > are?
> > 
> > > +	desc.arginfo = QCOM_SCM_ARGS(2);
> > > +
> > > +	ret = qcom_scm_call(dev, QCOM_SCM_SVC_BOOT, 0x0A, &desc, &res);
> > 
> > Same with the 0xA.  We usually throw a #define in for the command definitions.
> > 
> > Otherwise this all looks fine.  If you can get back to me with either the values
> > or a new patch I can include this in the next pull.
> 
> Thanks for reaching out. Since this isn't my usual area I'll need to work out
> some terminology with the SCM folks to make sure I don't accidentally do
> anything that will get me in trouble.

Yeah I did a brief look through CAF.   I saw basically the same information.  If
you can't get an answer, let me know and I'll just take it and put in a comment.


Andy