From: Kevin Hilman <khilman-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>
Cc: Len Brown <len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Ulf Hansson <ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>,
Geert Uytterhoeven
<geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>,
"linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"Rafael J. Wysocki" <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Daniel Kurtz <djkurtz-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
Tomasz Figa <tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
"open list:ARM/Rockchip SoC..."
<linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Laurent Pinchart
<laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>,
Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>,
Sylwester Nawrocki
<s.nawrocki-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [RFC PATCH 2/2] iommu: rockchip: Handle system-wide and runtime PM
Date: Mon, 15 Dec 2014 10:06:51 -0800 [thread overview]
Message-ID: <7hr3w0iy84.fsf@deeprootsystems.com> (raw)
In-Reply-To: <CAMuHMdVpCgK-hNqZ=JWjFGS53g+ZUQ5t=uBxtN1qGXJhoRg8BQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> (Geert Uytterhoeven's message of "Mon, 15 Dec 2014 09:35:09 +0100")
Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org> writes:
> On Fri, Dec 12, 2014 at 9:04 PM, Kevin Hilman <khilman-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
>> An even more exciting problem exists when a CPU is in the same domain as
>> other peripherals, those peripherals are all idle and the power domain
>> is gated. :)
>
> We do have pm_genpd_attach_cpuidle() and pm_genpd_name_attach_cpuidle()?
Exactly.
And I think to solve this problem, we need to generalize the attaching
of dependent devices to a PM domain.
Kevin
WARNING: multiple messages have this Message-ID (diff)
From: khilman@kernel.org (Kevin Hilman)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 2/2] iommu: rockchip: Handle system-wide and runtime PM
Date: Mon, 15 Dec 2014 10:06:51 -0800 [thread overview]
Message-ID: <7hr3w0iy84.fsf@deeprootsystems.com> (raw)
In-Reply-To: <CAMuHMdVpCgK-hNqZ=JWjFGS53g+ZUQ5t=uBxtN1qGXJhoRg8BQ@mail.gmail.com> (Geert Uytterhoeven's message of "Mon, 15 Dec 2014 09:35:09 +0100")
Geert Uytterhoeven <geert@linux-m68k.org> writes:
> On Fri, Dec 12, 2014 at 9:04 PM, Kevin Hilman <khilman@kernel.org> wrote:
>> An even more exciting problem exists when a CPU is in the same domain as
>> other peripherals, those peripherals are all idle and the power domain
>> is gated. :)
>
> We do have pm_genpd_attach_cpuidle() and pm_genpd_name_attach_cpuidle()?
Exactly.
And I think to solve this problem, we need to generalize the attaching
of dependent devices to a PM domain.
Kevin
WARNING: multiple messages have this Message-ID (diff)
From: Kevin Hilman <khilman@kernel.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Tomasz Figa <tfiga@chromium.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Ulf Hansson <ulf.hansson@linaro.org>,
"open list\:ARM\/Rockchip SoC..."
<linux-rockchip@lists.infradead.org>,
"linux-pm\@vger.kernel.org" <linux-pm@vger.kernel.org>,
"linux-arm-kernel\@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
iommu@lists.linux-foundation.org, Len Brown <len.brown@intel.com>,
Pavel Machek <pavel@ucw.cz>, Heiko Stuebner <heiko@sntech.de>,
Joerg Roedel <joro@8bytes.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Daniel Kurtz <djkurtz@chromium.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Subject: Re: [RFC PATCH 2/2] iommu: rockchip: Handle system-wide and runtime PM
Date: Mon, 15 Dec 2014 10:06:51 -0800 [thread overview]
Message-ID: <7hr3w0iy84.fsf@deeprootsystems.com> (raw)
In-Reply-To: <CAMuHMdVpCgK-hNqZ=JWjFGS53g+ZUQ5t=uBxtN1qGXJhoRg8BQ@mail.gmail.com> (Geert Uytterhoeven's message of "Mon, 15 Dec 2014 09:35:09 +0100")
Geert Uytterhoeven <geert@linux-m68k.org> writes:
> On Fri, Dec 12, 2014 at 9:04 PM, Kevin Hilman <khilman@kernel.org> wrote:
>> An even more exciting problem exists when a CPU is in the same domain as
>> other peripherals, those peripherals are all idle and the power domain
>> is gated. :)
>
> We do have pm_genpd_attach_cpuidle() and pm_genpd_name_attach_cpuidle()?
Exactly.
And I think to solve this problem, we need to generalize the attaching
of dependent devices to a PM domain.
Kevin
next prev parent reply other threads:[~2014-12-15 18:06 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-11 8:26 [RFC PATCH 0/2] Fix rockchip IOMMU driver vs PM issues Tomasz Figa
2014-12-11 8:26 ` Tomasz Figa
2014-12-11 8:26 ` [RFC PATCH 1/2] pm: Add PM domain notifications Tomasz Figa
2014-12-11 8:26 ` Tomasz Figa
2014-12-11 10:36 ` Sylwester Nawrocki
2014-12-11 10:36 ` Sylwester Nawrocki
2014-12-11 11:04 ` Tomasz Figa
2014-12-11 11:04 ` Tomasz Figa
2014-12-11 13:54 ` Sylwester Nawrocki
2014-12-11 13:54 ` Sylwester Nawrocki
[not found] ` <5489A227.8010907-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2014-12-11 15:30 ` Ulf Hansson
2014-12-11 15:30 ` Ulf Hansson
2014-12-11 15:30 ` Ulf Hansson
2014-12-11 8:26 ` [RFC PATCH 2/2] iommu: rockchip: Handle system-wide and runtime PM Tomasz Figa
2014-12-11 8:26 ` Tomasz Figa
2014-12-11 11:58 ` Ulf Hansson
2014-12-11 11:58 ` Ulf Hansson
2014-12-11 12:42 ` Tomasz Figa
2014-12-11 12:42 ` Tomasz Figa
[not found] ` <CAAFQd5CA374MF-_w=3zqsZctwTcBHz9J_0Ygg4fD_wjg8kLATg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-11 15:22 ` Ulf Hansson
2014-12-11 15:22 ` Ulf Hansson
2014-12-11 15:22 ` Ulf Hansson
2014-12-11 15:31 ` Kevin Hilman
2014-12-11 15:31 ` Kevin Hilman
2014-12-11 15:31 ` Kevin Hilman
[not found] ` <7h8uiemce7.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
2014-12-11 15:51 ` Ulf Hansson
2014-12-11 15:51 ` Ulf Hansson
2014-12-11 15:51 ` Ulf Hansson
2014-12-11 20:48 ` Rafael J. Wysocki
2014-12-11 20:48 ` Rafael J. Wysocki
2014-12-12 4:15 ` Tomasz Figa
2014-12-12 4:15 ` Tomasz Figa
2014-12-12 20:04 ` Kevin Hilman
2014-12-12 20:04 ` Kevin Hilman
2014-12-12 20:04 ` Kevin Hilman
2014-12-15 2:32 ` Tomasz Figa
2014-12-15 2:32 ` Tomasz Figa
[not found] ` <7ha92sk533.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
2014-12-15 8:35 ` Geert Uytterhoeven
2014-12-15 8:35 ` Geert Uytterhoeven
2014-12-15 8:35 ` Geert Uytterhoeven
[not found] ` <CAMuHMdVpCgK-hNqZ=JWjFGS53g+ZUQ5t=uBxtN1qGXJhoRg8BQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-15 18:06 ` Kevin Hilman [this message]
2014-12-15 18:06 ` Kevin Hilman
2014-12-15 18:06 ` Kevin Hilman
[not found] ` <CAAFQd5B28WiWUqmbmROJUa3H25R=Y774NuemTZDvkoa=CvZUsw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-12 20:47 ` Laurent Pinchart
2014-12-12 20:47 ` Laurent Pinchart
2014-12-12 20:47 ` Laurent Pinchart
2014-12-15 2:39 ` Tomasz Figa
2014-12-15 2:39 ` Tomasz Figa
2014-12-15 2:39 ` Tomasz Figa
[not found] ` <CAAFQd5A5UAYpV6Z3ii+TTuPOxJF8VFJmnUnHZWkc9dZN04qxYA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-15 19:53 ` Laurent Pinchart
2014-12-15 19:53 ` Laurent Pinchart
2014-12-15 19:53 ` Laurent Pinchart
2014-12-16 2:18 ` Tomasz Figa
2014-12-16 2:18 ` Tomasz Figa
2014-12-16 2:18 ` Tomasz Figa
2014-12-17 0:15 ` Laurent Pinchart
2014-12-17 0:15 ` Laurent Pinchart
2014-12-17 0:15 ` Laurent Pinchart
2014-12-18 1:32 ` Rafael J. Wysocki
2014-12-18 1:32 ` Rafael J. Wysocki
2014-12-18 1:32 ` Rafael J. Wysocki
2014-12-18 19:12 ` Laurent Pinchart
2014-12-18 19:12 ` Laurent Pinchart
2014-12-18 21:14 ` Kevin Hilman
2014-12-18 21:14 ` Kevin Hilman
2014-12-18 21:14 ` Kevin Hilman
[not found] ` <7hppbg7j9r.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
2014-12-18 21:28 ` Laurent Pinchart
2014-12-18 21:28 ` Laurent Pinchart
2014-12-18 21:28 ` Laurent Pinchart
2014-12-19 2:27 ` Rafael J. Wysocki
2014-12-19 2:27 ` Rafael J. Wysocki
2014-12-20 19:01 ` Laurent Pinchart
2014-12-20 19:01 ` Laurent Pinchart
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