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From: Maulik Shah <mkshah@codeaurora.org>
To: Doug Anderson <dianders@chromium.org>
Cc: Stephen Boyd <swboyd@chromium.org>,
	Matthias Kaehlcke <mka@chromium.org>,
	Evan Green <evgreen@chromium.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-arm-msm <linux-arm-msm@vger.kernel.org>,
	Andy Gross <agross@kernel.org>,
	Rajendra Nayak <rnayak@codeaurora.org>,
	Lina Iyer <ilina@codeaurora.org>,
	lsrao@codeaurora.org
Subject: Re: [PATCH v13 0/4] Invoke rpmh_flush for non OSI targets
Date: Tue, 10 Mar 2020 17:19:05 +0530	[thread overview]
Message-ID: <f6890db3-6e6f-3f9e-103b-b606316e8b8f@codeaurora.org> (raw)
In-Reply-To: <CAD=FV=WBCaRhnMenyxg3-j2G2xgB9jebhe2pyh=6pzrq=JCbMg@mail.gmail.com>


On 3/10/2020 5:12 AM, Doug Anderson wrote:
> Hi,
>
> On Mon, Mar 9, 2020 at 2:31 AM Maulik Shah <mkshah@codeaurora.org> wrote:
>> Changes in v13:
>> - Address Stephen's comment to maintain COMPILE_TEST
>> - Address Doug's comments and add new APIs for start and end transaction
>>
>> Changes in v12:
>> - Kconfig change to remove COMPILE_TEST was dropped in v11, reinclude it.
>>
>> Changes in v11:
>> - Address Doug's comments on change 2 and 3
>> - Include change to invalidate TCSes before flush from [4]
>>
>> Changes in v10:
>> - Address Evan's comments to update commit message on change 2
>> - Add Evan's Reviewed by on change 2
>> - Remove comment from rpmh_flush() related to last CPU invoking it
>> - Rebase all changes on top of next-20200302
>>
>> Changes in v9:
>> - Keep rpmh_flush() to invoke from within cache_lock
>> - Remove comments related to only last cpu invoking rpmh_flush()
>>
>> Changes in v8:
>> - Address Stephen's comments on changes 2 and 3
>> - Add Reviewed by from Stephen on change 1
>>
>> Changes in v7:
>> - Address Srinivas's comments to update commit text
>> - Add Reviewed by from Srinivas
>>
>> Changes in v6:
>> - Drop 1 & 2 changes from v5 as they already landed in maintainer tree
>> - Drop 3 & 4 changes from v5 as no user at present for power domain in rsc
>> - Rename subject to appropriate since power domain changes are dropped
>> - Rebase other changes on top of next-20200221
>>
>> Changes in v5:
>> - Add Rob's Acked by on dt-bindings change
>> - Drop firmware psci change
>> - Update cpuidle stats in dtsi to follow PC mode
>> - Include change to update dirty flag when data is updated from [4]
>> - Add change to invoke rpmh_flush when caches are dirty
>>
>> Changes in v4:
>> - Add change to allow hierarchical topology in PC mode
>> - Drop hierarchical domain idle states converter from v3
>> - Address Merge sc7180 dtsi change to add low power modes
>>
>> Changes in v3:
>> - Address Rob's comment on dt property value
>> - Address Stephen's comments on rpmh-rsc driver change
>> - Include sc7180 cpuidle low power mode changes from [1]
>> - Include hierarchical domain idle states converter change from [2]
>>
>> Changes in v2:
>> - Add Stephen's Reviewed-By to the first three patches
>> - Addressed Stephen's comments on fourth patch
>> - Include changes to connect rpmh domain to cpuidle and genpds
>>
>> Resource State Coordinator (RSC) is responsible for powering off/lowering
>> the requirements from CPU subsystem for the associated hardware like buses,
>> clocks, and regulators when all CPUs and cluster is powered down.
>>
>> RSC power domain uses last-man activities provided by genpd framework based
>> on Ulf Hansoon's patch series[3], when the cluster of CPUs enter deepest
>> idle states. As a part of domain poweroff, RSC can lower resource state
>> requirements by flushing the cached sleep and wake state votes for various
>> resources.
>>
>> [1] https://patchwork.kernel.org/patch/11218965
>> [2] https://patchwork.kernel.org/patch/10941671
>> [3] https://patchwork.kernel.org/project/linux-arm-msm/list/?series=222355
>> [4] https://patchwork.kernel.org/project/linux-arm-msm/list/?series=236503
>>
>> Maulik Shah (3):
>>   arm64: dts: qcom: sc7180: Add cpuidle low power states
>>   soc: qcom: rpmh: Update dirty flag only when data changes
>>   soc: qcom: rpmh: Invoke rpmh_flush for dirty caches
>>
>>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 78 ++++++++++++++++++++++++++++++++++++
>>  drivers/soc/qcom/rpmh.c              | 27 ++++++++++---
>>  2 files changed, 100 insertions(+), 5 deletions(-)
> Did you happen to get a chance to test your patch against my cleanup /
> documentation patch?  AKA:
>
> https://lore.kernel.org/r/20200306235951.214678-1-dianders@chromium.org
>
> -Doug
Hi Doug,

Not yet. i will update on your patches.

Thanks,
Maulik

-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

      reply	other threads:[~2020-03-10 11:49 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-09  9:30 Maulik Shah
2020-03-09  9:30 ` [PATCH v13 1/5] arm64: dts: qcom: sc7180: Add cpuidle low power states Maulik Shah
2020-03-09  9:30 ` [PATCH v13 2/5] soc: qcom: rpmh: Update dirty flag only when data changes Maulik Shah
2020-03-09 23:42   ` Doug Anderson
2020-03-13  8:53     ` Maulik Shah
2020-03-09  9:30 ` [PATCH v13 3/5] soc: qcom: rpmh: Invalidate SLEEP and WAKE TCSes before flushing new data Maulik Shah
2020-03-09 23:42   ` Doug Anderson
2020-03-10 11:09     ` Maulik Shah
2020-03-09  9:30 ` [PATCH v13 4/5] soc: qcom: rpmh: Invoke rpmh_flush() for dirty caches Maulik Shah
2020-03-09 23:43   ` Doug Anderson
2020-03-10 11:19     ` Maulik Shah
2020-03-10 15:46       ` Doug Anderson
2020-03-11  6:36         ` Maulik Shah
2020-03-11 23:06           ` Doug Anderson
     [not found]             ` <5a5274ac-41f4-b06d-ff49-c00cef67aa7f@codeaurora.org>
2020-03-12 15:11               ` Doug Anderson
2020-03-25 17:15                 ` Maulik Shah
2020-03-26 18:08                   ` Doug Anderson
2020-03-09  9:30 ` [PATCH v13 5/5] drivers: qcom: Update rpmh clients to use start and end transactions Maulik Shah
2020-03-09 23:44   ` Doug Anderson
2020-03-10 11:46     ` Maulik Shah
2020-03-10 15:46       ` Doug Anderson
2020-03-11 23:02   ` Doug Anderson
2020-03-09 23:42 ` [PATCH v13 0/4] Invoke rpmh_flush for non OSI targets Doug Anderson
2020-03-10 11:49   ` Maulik Shah [this message]

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