linux-kernel - Re: [PATCH V4 1/5] dt-bindings: firmware: Document bindings for QCOM SCMI Generic Extension

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Message-ID: <hxfg6ztpqy7qdsgzhvvapeyh2f55mj7hhuqqkz7si6g5i7nsng@xoyfwztk66aj>
Date: Tue, 8 Oct 2024 15:10:51 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Sibi Sankar <quic_sibis@...cinc.com>, sudeep.holla@....com, 
	cristian.marussi@....com, andersson@...nel.org, konrad.dybcio@...aro.org, 
	robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, linux-kernel@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	quic_rgottimu@...cinc.com, quic_kshivnan@...cinc.com, conor+dt@...nel.org, 
	arm-scmi@...r.kernel.org
Subject: Re: [PATCH V4 1/5] dt-bindings: firmware: Document bindings for QCOM
 SCMI Generic Extension

On Tue, Oct 08, 2024 at 08:49:27AM GMT, Krzysztof Kozlowski wrote:
> On Mon, Oct 07, 2024 at 11:40:19AM +0530, Sibi Sankar wrote:
> > +/*
> > + * QCOM_MEM_TYPE_DDR_QOS supports the following states.
> > + *
> > + * %QCOM_DDR_LEVEL_AUTO:	DDR operates with LPM enabled
> > + * %QCOM_DDR_LEVEL_PERF:	DDR operates with LPM disabled
> > + */
> > +#define QCOM_DDR_LEVEL_AUTO	0x0
> > +#define QCOM_DDR_LEVEL_PERF	0x1
> 
> I could not find any driver using these. Can you point me to usage in
> the drivers?

It's well hidden. These are the raw values used for DDR_QOS memory.

> 
> Best regards,
> Krzysztof
> 

-- 
With best wishes
Dmitry