From: Sibi Sankar <quic_sibis@quicinc.com>
To: Krzysztof Kozlowski <krzk@kernel.org>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: <sudeep.holla@arm.com>, <cristian.marussi@arm.com>,
<andersson@kernel.org>, <konrad.dybcio@linaro.org>,
<robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
<linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
<devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<quic_rgottimu@quicinc.com>, <quic_kshivnan@quicinc.com>,
<conor+dt@kernel.org>, <arm-scmi@vger.kernel.org>
Subject: Re: [PATCH V4 1/5] dt-bindings: firmware: Document bindings for QCOM SCMI Generic Extension
Date: Tue, 22 Oct 2024 12:55:19 +0530 [thread overview]
Message-ID: <0b297305-0141-208a-e414-fb7dc98317b9@quicinc.com> (raw)
In-Reply-To: <3765cf3d-8477-45a7-af0e-b0c78f41eaad@kernel.org>
On 10/8/24 17:41, Krzysztof Kozlowski wrote:
> On 08/10/2024 14:10, Dmitry Baryshkov wrote:
>> 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.
>
> So not a binding? Then these should be dropped.
I am not sure why the term "well hidden" was even considered :(
The driver just reads them from dt and passes them along. If you
want the dt to list magic numbers 0/1 instead I can do that as well.
-Sibi
>
> Best regards,
> Krzysztof
>
next prev parent reply other threads:[~2024-10-22 7:25 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-07 6:10 [PATCH V4 0/5] arm_scmi: vendors: Qualcomm Generic Vendor Extensions Sibi Sankar
2024-10-07 6:10 ` [PATCH V4 1/5] dt-bindings: firmware: Document bindings for QCOM SCMI Generic Extension Sibi Sankar
2024-10-07 18:06 ` Dmitry Baryshkov
2024-10-22 7:13 ` Sibi Sankar
2024-10-24 19:54 ` Dmitry Baryshkov
2024-10-08 6:47 ` Krzysztof Kozlowski
2024-10-08 6:49 ` Krzysztof Kozlowski
2024-10-08 12:10 ` Dmitry Baryshkov
2024-10-08 12:11 ` Krzysztof Kozlowski
2024-10-22 7:25 ` Sibi Sankar [this message]
2024-10-24 13:29 ` Krzysztof Kozlowski
2024-10-24 19:46 ` Dmitry Baryshkov
2024-10-24 19:48 ` Dmitry Baryshkov
2024-11-06 22:18 ` Jeffrey Hugo
2024-11-14 4:17 ` Sibi Sankar
2024-12-05 15:27 ` Sudeep Holla
2024-12-17 11:45 ` Sibi Sankar
2024-10-07 6:10 ` [PATCH V4 2/5] firmware: arm_scmi: Add QCOM Generic Vendor Protocol documentation Sibi Sankar
2024-10-22 10:22 ` Cristian Marussi
2024-11-14 4:32 ` Sibi Sankar
2024-10-07 6:10 ` [PATCH V4 3/5] firmware: arm_scmi: vendors: Add QCOM SCMI Generic Extensions Sibi Sankar
2024-10-07 18:13 ` Dmitry Baryshkov
2024-10-22 7:18 ` Sibi Sankar
2024-10-07 6:10 ` [PATCH V4 4/5] soc: qcom: Introduce SCMI based Memlat (Memory Latency) governor Sibi Sankar
2024-10-07 17:57 ` Dmitry Baryshkov
2024-10-22 8:18 ` Sibi Sankar
2024-10-26 18:16 ` Dmitry Baryshkov
2024-11-14 4:13 ` Sibi Sankar
2024-11-14 12:32 ` Dmitry Baryshkov
2024-12-05 10:52 ` Sibi Sankar
2024-12-05 11:30 ` Dmitry Baryshkov
2024-12-17 10:16 ` Sibi Sankar
2024-12-17 10:46 ` Dmitry Baryshkov
2024-12-17 11:05 ` Sibi Sankar
2024-12-17 12:10 ` Dmitry Baryshkov
2024-11-15 0:38 ` MyungJoo Ham
2024-12-05 10:17 ` Sibi Sankar
2024-10-28 8:30 ` Cristian Marussi
2024-10-10 12:18 ` Jonathan Cameron
2024-10-22 7:31 ` Sibi Sankar
2024-10-22 12:00 ` Cristian Marussi
2024-11-29 9:57 ` Shivnandan Kumar
2024-12-05 11:03 ` Sibi Sankar
2024-12-05 12:39 ` Cristian Marussi
2024-12-23 13:57 ` Sibi Sankar
2024-10-07 6:10 ` [PATCH V4 5/5] arm64: dts: qcom: x1e80100: Enable LLCC/DDR/DDR_QOS dvfs Sibi Sankar
2024-10-08 6:52 ` [PATCH V4 0/5] arm_scmi: vendors: Qualcomm Generic Vendor Extensions Krzysztof Kozlowski
2024-10-22 8:24 ` Sibi Sankar
2024-11-06 12:55 ` Johan Hovold
2024-11-06 20:03 ` Cristian Marussi
2024-11-08 15:14 ` Johan Hovold
2024-11-14 4:22 ` Sibi Sankar
2024-11-22 8:37 ` Johan Hovold
2024-12-05 10:56 ` Sibi Sankar
2024-12-05 15:52 ` Johan Hovold
2024-12-17 11:49 ` Sibi Sankar
2024-12-19 10:37 ` Johan Hovold
2024-12-23 14:00 ` Sibi Sankar
2024-12-05 17:01 ` Sudeep Holla
2024-12-17 12:25 ` Sibi Sankar
2024-12-17 14:45 ` Cristian Marussi
2024-12-23 14:09 ` Sibi Sankar
2024-12-17 17:59 ` Sudeep Holla
2024-12-23 14:14 ` Sibi Sankar
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