From: Kevin Hilman <khilman@baylibre.com>
To: Christian Hewitt <christianshewitt@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Frank Hartung <supervisedthinking@gmail.com>,
Christian Hewitt <christianshewitt@gmail.com>
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: <7htv915x4i.fsf@baylibre.com> (raw)
In-Reply-To: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Kevin Hilman <khilman@baylibre.com>
To: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Frank Hartung <supervisedthinking@gmail.com>,
Christian Hewitt <christianshewitt@gmail.com>
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: <7htv915x4i.fsf@baylibre.com> (raw)
In-Reply-To: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Kevin Hilman <khilman@baylibre.com>
To: Christian Hewitt <christianshewitt@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Frank Hartung <supervisedthinking@gmail.com>,
Christian Hewitt <christianshewitt@gmail.com>
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: <7htv915x4i.fsf@baylibre.com> (raw)
In-Reply-To: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com>
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
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Kevin Hilman <khilman@baylibre.com>
To: Christian Hewitt <christianshewitt@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Frank Hartung <supervisedthinking@gmail.com>,
Christian Hewitt <christianshewitt@gmail.com>
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: <7htv915x4i.fsf@baylibre.com> (raw)
In-Reply-To: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com>
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
_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic
next prev parent reply other threads:[~2019-09-24 19:10 UTC|newest]
Thread overview: 10+ 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
2019-09-14 2:49 ` Christian Hewitt
2019-09-14 2:49 ` Christian Hewitt
2019-09-19 9:47 ` Neil Armstrong
2019-09-19 9:47 ` Neil Armstrong
2019-09-19 9:47 ` Neil Armstrong
2019-09-24 19:10 ` Kevin Hilman [this message]
2019-09-24 19:10 ` Kevin Hilman
2019-09-24 19:10 ` Kevin Hilman
2019-09-24 19:10 ` Kevin Hilman
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