From: MyungJoo Ham <myungjoo.ham@samsung.com>
To: undisclosed-recipients:;
Cc: Kyungmin Park <kyungmin.park@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Brian Norris <briannorris@chromium.org>,
Douglas Anderson <dianders@chromium.org>,
Matthias Kaehlcke <mka@chromium.org>
Subject: RE: [PATCH 04/11] PM / devfreq: Remove redundant frequency adjustment from governors
Date: Mon, 28 May 2018 13:57:44 +0900 [thread overview]
Message-ID: <20180528045744epcms1p115f761df5eff88a1648639385425f02b@epcms1p1> (raw)
In-Reply-To: <20180525203043.249193-5-mka@chromium.org>
> The userspace and simpleondemand governor determine a target frequency and
> then adjust it according to the df->min/max_freq limits that might have
> been set by user space. This adjustment is redundant, it is done in
> update_devfreq() for any governor, right after returning from
> governor->get_target_freq().
>
> Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> ---
> drivers/devfreq/governor_simpleondemand.c | 5 -----
> drivers/devfreq/governor_userspace.c | 16 ++++------------
> 2 files changed, 4 insertions(+), 17 deletions(-)
>
Yes, indeed. Governors are no longer required to be aware of min/max freq.
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
WARNING: multiple messages have this Message-ID (diff)
From: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Brian Norris <briannorris@chromium.org>,
Douglas Anderson <dianders@chromium.org>,
Matthias Kaehlcke <mka@chromium.org>
Subject: RE: [PATCH 04/11] PM / devfreq: Remove redundant frequency adjustment from governors
Date: Mon, 28 May 2018 13:57:44 +0900 [thread overview]
Message-ID: <20180528045744epcms1p115f761df5eff88a1648639385425f02b@epcms1p1> (raw)
In-Reply-To: <20180525203043.249193-5-mka@chromium.org>
> The userspace and simpleondemand governor determine a target frequency and
> then adjust it according to the df->min/max_freq limits that might have
> been set by user space. This adjustment is redundant, it is done in
> update_devfreq() for any governor, right after returning from
> governor->get_target_freq().
>
> Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> ---
> drivers/devfreq/governor_simpleondemand.c | 5 -----
> drivers/devfreq/governor_userspace.c | 16 ++++------------
> 2 files changed, 4 insertions(+), 17 deletions(-)
>
Yes, indeed. Governors are no longer required to be aware of min/max freq.
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
next prev parent reply other threads:[~2018-05-28 4:57 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-25 20:30 [PATCH 00/11] Add throttler driver for non-thermal throttling Matthias Kaehlcke
2018-05-25 20:30 ` [PATCH 01/11] PM / devfreq: Init user limits from OPP limits, not viceversa Matthias Kaehlcke
2018-05-28 5:26 ` Chanwoo Choi
2018-05-29 18:06 ` Matthias Kaehlcke
2018-05-25 20:30 ` [PATCH 02/11] PM / devfreq: Fix handling of min/max_freq == 0 Matthias Kaehlcke
2018-05-28 6:37 ` Chanwoo Choi
2018-05-29 18:57 ` Matthias Kaehlcke
2018-05-30 8:04 ` Chanwoo Choi
2018-05-30 21:13 ` Matthias Kaehlcke
2018-06-05 9:40 ` Chanwoo Choi
2018-05-25 20:30 ` [PATCH 03/11] PM / devfreq: Remove check for df->max_freq == 0 from governors Matthias Kaehlcke
2018-05-28 5:27 ` Chanwoo Choi
2018-05-25 20:30 ` [PATCH 04/11] PM / devfreq: Remove redundant frequency adjustment " Matthias Kaehlcke
2018-05-28 5:36 ` Chanwoo Choi
2018-05-25 20:30 ` [PATCH 05/11] PM / devfreq: governors: Return device frequency limits instead of user limits Matthias Kaehlcke
2018-05-28 6:56 ` Chanwoo Choi
2018-05-25 20:30 ` [PATCH 06/11] PM / devfreq: Add struct devfreq_policy Matthias Kaehlcke
2018-05-25 20:30 ` [PATCH 07/11] PM / devfreg: Add support policy notifiers Matthias Kaehlcke
2018-05-25 20:30 ` [PATCH 08/11] PM / devfreq: Make update_devfreq() public Matthias Kaehlcke
2018-05-25 20:30 ` [PATCH 09/11] misc: throttler: Add core support for non-thermal throttling Matthias Kaehlcke
2018-05-28 7:32 ` Chanwoo Choi
2018-05-29 20:57 ` Matthias Kaehlcke
2018-05-30 8:08 ` Chanwoo Choi
2018-05-28 8:08 ` Greg Kroah-Hartman
2018-05-29 21:30 ` Matthias Kaehlcke
2018-05-25 20:30 ` [PATCH 10/11] dt-bindings: misc: add bindings for throttler Matthias Kaehlcke
2018-05-31 16:31 ` Rob Herring
2018-05-31 18:34 ` Matthias Kaehlcke
2018-05-31 20:04 ` Rob Herring
2018-05-31 21:10 ` Matthias Kaehlcke
2018-05-25 20:30 ` [PATCH 11/11] misc/throttler: Add Chrome OS EC throttler Matthias Kaehlcke
2018-05-31 9:05 ` Enric Balletbo Serra
2018-05-31 17:33 ` Matthias Kaehlcke
[not found] ` <CGME20180525203120epcas2p429d60dc21e16f0b53c58e7b1f942858f@epcms1p8>
2018-05-28 3:59 ` [PATCH 02/11] PM / devfreq: Fix handling of min/max_freq == 0 MyungJoo Ham
2018-05-28 3:59 ` MyungJoo Ham
[not found] ` <CGME20180525203122epcas3p42a494949f50aa933355840b7e46bb0fe@epcms1p2>
2018-05-28 4:51 ` [PATCH 03/11] PM / devfreq: Remove check for df->max_freq == 0 from governors MyungJoo Ham
2018-05-28 4:51 ` MyungJoo Ham
[not found] ` <CGME20180525203124epcas2p2db3f1996b33348f19a6a91cee55abb0b@epcms1p1>
2018-05-28 4:57 ` MyungJoo Ham [this message]
2018-05-28 4:57 ` [PATCH 04/11] PM / devfreq: Remove redundant frequency adjustment " MyungJoo Ham
[not found] ` <CGME20180525203125epcas3p46c7cac352ede4b0ba5d2b36bc32ad566@epcms1p8>
2018-05-28 5:04 ` [PATCH 05/11] PM / devfreq: governors: Return device frequency limits instead of user limits MyungJoo Ham
2018-05-28 5:04 ` MyungJoo Ham
2018-05-29 19:32 ` Matthias Kaehlcke
[not found] ` <CGME20180525203128epcas5p138dbf89498c03bc2a9221aa662001fd4@epcms1p3>
2018-05-28 5:19 ` [PATCH 07/11] PM / devfreg: Add support policy notifiers MyungJoo Ham
2018-05-28 5:19 ` MyungJoo Ham
2018-05-29 20:02 ` Matthias Kaehlcke
[not found] ` <CGME20180525203128epcas2p21a65a88fed7838221d02f6419f58bf26@epcms1p1>
2018-05-28 5:24 ` [PATCH 08/11] PM / devfreq: Make update_devfreq() public MyungJoo Ham
2018-05-28 5:24 ` MyungJoo Ham
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