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From: Sudeep Holla <sudeep.holla@arm.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Sibi Sankar <sibis@codeaurora.org>,
	bjorn.andersson@linaro.org, Sudeep Holla <sudeep.holla@arm.com>,
	swboyd@chromium.org, agross@kernel.org, robh+dt@kernel.org,
	rjw@rjwysocki.net, linux-arm-msm@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org, dianders@chromium.org,
	mka@chromium.org
Subject: Re: [PATCH 2/2] arm64: dts: qcom: sc7280: Add cpu OPP tables
Date: Wed, 5 May 2021 12:44:06 +0100	[thread overview]
Message-ID: <20210505114406.dawq5xvhnc6ifetb@bogus> (raw)
In-Reply-To: <20210505113724.fpzcizgytf55msfa@vireshk-i7>

On Wed, May 05, 2021 at 05:07:24PM +0530, Viresh Kumar wrote:
> On 05-05-21, 09:49, Sudeep Holla wrote:
> > No my main concern is this platform uses "qcom-cpufreq-hw" driver and the
> > fact that the OPPs are retrieved from the hardware lookup table invalidates
> > whatever we have in DT.
>
> Not exactly.
>
> It disables them all, and then call dev_pm_opp_adjust_voltage() and
> enable them again. This is how it started initially. Though the driver
> also works if the DT doesn't have the table, in that case it calls
> dev_pm_opp_add() for all the OPPs.
>

Ah OK, if it is handled in the driver, I will shut up then 😄. I did a
quick look at it but couldn't understand the connection, so I started
and continued the discussion. Thanks for the confirmation. I am fine if
it is handled.

--
Regards,
Sudeep

      reply	other threads:[~2021-05-05 11:44 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-30 14:28 [PATCH 0/2] DDR/L3 Scaling support on SC7280 SoCs Sibi Sankar
2021-04-30 14:28 ` [PATCH 1/2] cpufreq: blacklist SC7280 in cpufreq-dt-platdev Sibi Sankar
2021-05-03 16:20   ` Matthias Kaehlcke
2021-04-30 14:28 ` [PATCH 2/2] arm64: dts: qcom: sc7280: Add cpu OPP tables Sibi Sankar
2021-05-03 16:36   ` Matthias Kaehlcke
2021-05-04  7:05     ` Sibi Sankar
2021-05-04 14:42   ` Sudeep Holla
2021-05-04 18:25     ` Sibi Sankar
2021-05-04 19:16       ` Matthias Kaehlcke
2021-05-05  8:49       ` Sudeep Holla
2021-05-05 10:09         ` Sibi Sankar
2021-05-05 11:41           ` Sudeep Holla
2021-05-05 11:37         ` Viresh Kumar
2021-05-05 11:44           ` Sudeep Holla [this message]

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