Messages in this thread | | | From | Kevin Hilman <> | Subject | Re: [PATCH] arm64: dts: meson: Add capacity-dmips-mhz attributes to G12B | Date | Tue, 24 Sep 2019 12:10:05 -0700 |
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Christian Hewitt <christianshewitt@gmail.com> writes:
> From: Frank Hartung <supervisedthinking@gmail.com> > > From: Frank Hartung <supervisedthinking@gmail.com>
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] https://lore.kernel.org/patchwork/patch/862742/ > [2] https://patchwork.kernel.org/patch/10836577/ > > Signed-off-by: Frank Hartung <supervisedthinking@gmail.com> > Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Queued for v5.5,
Thanks!
Kevin
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