From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Artem Bityutskiy <dedekind1@gmail.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
Guilhem Lettron <guilhem@barpilot.io>,
Zhang Rui <rui.zhang@intel.com>,
Jacob Pan <jacob.jun.pan@linux.intel.com>,
Len Brown <lenb@kernel.org>, Linux PM <linux-pm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] intel_idle: Add ICL support
Date: Wed, 26 Aug 2020 18:43:52 +0200 [thread overview]
Message-ID: <CAJZ5v0gPY+7YBeWwszoNBwsbKLFOEeuLaekdX62_gvbHXB8xoA@mail.gmail.com> (raw)
In-Reply-To: <e9e6823d63fe2b9938e43a14c136b89aec0c503b.camel@gmail.com>
On Wed, Aug 26, 2020 at 6:39 PM Artem Bityutskiy <dedekind1@gmail.com> wrote:
>
> On Wed, 2020-08-26 at 18:02 +0200, Rafael J. Wysocki wrote:
> > To that end, I would try to upgrade the graphics firmware and see if
> > you can get some nonzero PC8 residency then.
>
> I am curious, somehow that patch makes a difference.
It does make a difference, because it makes the processor spend more
time in PC2. Which very well may be because the processor cannot
enter deeper C-states.
next prev parent reply other threads:[~2020-08-26 16:44 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-26 12:04 [PATCH] intel_idle: Add ICL support Guilhem Lettron
2020-08-26 12:43 ` Rafael J. Wysocki
2020-08-26 13:03 ` Guilhem Lettron
2020-08-26 13:09 ` Artem Bityutskiy
2020-08-26 13:19 ` Guilhem Lettron
2020-08-26 13:20 ` Rafael J. Wysocki
2020-08-26 13:16 ` Artem Bityutskiy
2020-08-26 13:18 ` Artem Bityutskiy
2020-08-26 13:21 ` Rafael J. Wysocki
2020-08-26 13:32 ` Guilhem Lettron
2020-08-26 13:41 ` Zhang Rui
2020-08-26 14:04 ` Guilhem Lettron
2020-08-26 16:02 ` Rafael J. Wysocki
2020-08-26 16:21 ` Rafael J. Wysocki
2020-08-26 16:39 ` Artem Bityutskiy
2020-08-26 16:43 ` Rafael J. Wysocki [this message]
2020-08-26 16:46 ` Guilhem Lettron
2020-08-26 17:00 ` Rafael J. Wysocki
2020-08-26 17:47 ` Zhang Rui
2020-08-26 16:52 ` Artem Bityutskiy
2020-08-26 16:19 ` Artem Bityutskiy
2020-08-26 16:25 ` Artem Bityutskiy
2020-08-26 16:28 ` Artem Bityutskiy
2020-08-26 16:41 ` Rafael J. Wysocki
[not found] ` <CAGX5Wg0655U71nFcaAJXmj1XMA3MjnCVn=q1Pf=7LLyryHhroQ@mail.gmail.com>
2020-08-26 13:17 ` Rafael J. Wysocki
2020-08-26 13:34 ` Guilhem Lettron
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