From: srinivas pandruvada <srinivas.pandruvada@linux.intel.com>
To: Dave Hansen <dave.hansen@intel.com>,
tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
dave.hansen@linux.intel.com, hpa@zytor.com, rafael@kernel.org,
len.brown@intel.com
Cc: peterz@infradead.org, x86@kernel.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH] x86: intel_epb: Set Alder Lake N and Raptor Lake P normal EPB
Date: Thu, 27 Oct 2022 15:38:07 -0700 [thread overview]
Message-ID: <b79748ff2f07f95eb637ec7b6de74446c28f72b3.camel@linux.intel.com> (raw)
In-Reply-To: <235f4f04-b2ae-4a7f-043b-1cd6a85bd8ea@intel.com>
On Thu, 2022-10-27 at 15:30 -0700, Dave Hansen wrote:
> So, the tl;dr on this is:
>
> The EPB setting is fundamentally a classic power vs.
> performance
> knob. This change helps power a bunch (200+mw) while having
> a
> negligible performance impact (<1% if that), so it's a great
> trade-off.
>
> Right?
Yes.
We already using EPB 7 on other AlderLake Mobiles.
Thanks,
Srinivas
next prev parent reply other threads:[~2022-10-27 22:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-27 22:00 [PATCH] x86: intel_epb: Set Alder Lake N and Raptor Lake P normal EPB Srinivas Pandruvada
2022-10-27 22:30 ` Dave Hansen
2022-10-27 22:38 ` srinivas pandruvada [this message]
2022-10-28 15:24 ` Rafael J. Wysocki
2022-11-03 18:25 ` Rafael J. Wysocki
2022-11-03 18:32 ` Dave Hansen
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