From: Maxime Ripard <maxime@cerno.tech>
To: Mike Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
dri-devel@lists.freedesktop.org,
Daniel Vetter <daniel.vetter@intel.com>,
David Airlie <airlied@linux.ie>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Thomas Zimmermann <tzimmermann@suse.de>
Cc: linux-clk@vger.kernel.org,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Phil Elwell <phil@raspberrypi.com>,
Tim Gover <tim.gover@raspberrypi.com>,
Dom Cobley <dom@raspberrypi.com>, Emma Anholt <emma@anholt.net>,
linux-kernel@vger.kernel.org,
Russell King <linux@armlinux.org.uk>
Subject: Re: [PATCH v2 0/3] clk: Implement a clock request API
Date: Wed, 15 Dec 2021 15:08:36 +0100 [thread overview]
Message-ID: <20211215140836.bpxyau4atm74sfkk@houat> (raw)
In-Reply-To: <20210914093515.260031-1-maxime@cerno.tech>
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Hi Stephen, Mike,
On Tue, Sep 14, 2021 at 11:35:12AM +0200, Maxime Ripard wrote:
> Hi,
>
> This is a follow-up of the discussion here:
> https://lore.kernel.org/linux-clk/20210319150355.xzw7ikwdaga2dwhv@gilmour/
>
> This implements a mechanism to raise and lower clock rates based on consumer
> workloads, with an example of such an implementation for the RaspberryPi4 HDMI
> controller.
>
> There's a couple of things worth discussing:
>
> - The name is in conflict with clk_request_rate, and even though it feels
> like the right name to me, we should probably avoid any confusion
>
> - The code so far implements a policy of always going for the lowest rate
> possible. While we don't have an use-case for something else, this should
> maybe be made more flexible?
This has been posted around 8 monthes ago now:
https://lore.kernel.org/all/20210413101320.321584-1-maxime@cerno.tech/
I haven't had any review on this, and I'm struggling to see how we can
move forward. Given your initial reaction, I'm guessing you were a bit
reluctant at first with the approach, if so, can you share *any*
direction in which I should amend that series to support similar
features?
Maxime
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next prev parent reply other threads:[~2021-12-15 14:08 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-14 9:35 [PATCH v2 0/3] clk: Implement a clock request API Maxime Ripard
2021-09-14 9:35 ` [PATCH v2 1/3] clk: Introduce " Maxime Ripard
2022-01-12 3:37 ` Stephen Boyd
2022-01-12 11:46 ` Maxime Ripard
2022-01-13 21:44 ` Stephen Boyd
2022-01-14 16:15 ` Maxime Ripard
2022-01-14 22:38 ` Stephen Boyd
2022-01-14 22:41 ` Stephen Boyd
2021-09-14 9:35 ` [PATCH v2 2/3] drm/vc4: hdmi: Convert to the new " Maxime Ripard
2021-09-14 9:35 ` [PATCH v2 3/3] drm/vc4: hvs: " Maxime Ripard
2021-12-15 14:08 ` Maxime Ripard [this message]
2022-01-12 13:28 ` [PATCH v2 0/3] clk: Implement a " Dmitry Osipenko
2022-01-12 13:51 ` Maxime Ripard
2022-01-12 14:13 ` Dmitry Osipenko
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