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From: Kevin Hilman <>
To: Christian Hewitt <>,
	Rob Herring <>,
	Mark Rutland <>,,,,
Cc: Frank Hartung <>,
	Christian Hewitt <>
Subject: Re: [PATCH] arm64: dts: meson: Add capacity-dmips-mhz attributes to G12B
Date: Tue, 24 Sep 2019 12:10:05 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Christian Hewitt <> writes:

> From: Frank Hartung <>
> From: Frank Hartung <>

nit: duplicate From line.  Removed when applying.

> Meson G12B SoCs (S922X and A311D) are a big-little design where not all CPUs
> are equal; the A53s cores are weaker than the A72s.
> Include capacity-dmips-mhz properties to tell the OS there is a difference
> in processing capacity. The dmips values are based on similar submissions for
> other A53/A72 SoCs: HiSilicon 3660 [1] and Rockchip RK3399 [2].
> This change is particularly beneficial for use-cases like retro gaming where
> emulators often run on a single core. The OS now chooses an A72 core instead
> of an A53 core.
> [1]
> [2]
> Signed-off-by: Frank Hartung <>
> Signed-off-by: Christian Hewitt <>

Queued for v5.5,



linux-amlogic mailing list

      parent reply	other threads:[~2019-09-24 19:10 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-14  2:49 [PATCH] arm64: dts: meson: Add capacity-dmips-mhz attributes to G12B Christian Hewitt
2019-09-19  9:47 ` Neil Armstrong
2019-09-24 19:10 ` Kevin Hilman [this message]

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