diff options
| author |   Frode Isaksen <fisaksen@baylibre.com> | 2017-12-19 11:15:35 +0000 |
|---|---|---|
| committer |   Jan-Simon Moeller <jsmoeller@linuxfoundation.org> | 2018-02-07 11:47:29 +0000 |
| commit | c4a6287185179732dfc1e903c195ff90c19f1065 (patch) | |
| tree | d35f5010dbd952e40f5c178322026445b55757c1 /meta-eas/recipes-kernel/linux/linux-renesas/0003-arm64-dts-r8a7795-es1-Update-cpu-capacity-dmips-mhz.patch | |
| parent | 109dea1d5c5a38807b098b588584636ae636a302 (diff) | |
This layer provides Energy Aware Scheduling (EAS) patcheseel_5.1.0eel_5.0.3eel_5.0.2eel/5.1.0eel/5.0.3eel/5.0.25.1.05.0.35.0.2eel
For the moment only for Renesas R-Car Gen3 SoC's.
Can be expanded for other SoC's by setting the machine
feature biglittle and provide the relevant EAS patches.
Bug-AGL: SPEC-813
Change-Id: I2b5e69c515c33e57be19b30466fe208d7b8ac1a5
Signed-off-by: Frode Isaksen <fisaksen@baylibre.com>
Diffstat (limited to 'meta-eas/recipes-kernel/linux/linux-renesas/0003-arm64-dts-r8a7795-es1-Update-cpu-capacity-dmips-mhz.patch')
| -rw-r--r-- | meta-eas/recipes-kernel/linux/linux-renesas/0003-arm64-dts-r8a7795-es1-Update-cpu-capacity-dmips-mhz.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/meta-eas/recipes-kernel/linux/linux-renesas/0003-arm64-dts-r8a7795-es1-Update-cpu-capacity-dmips-mhz.patch b/meta-eas/recipes-kernel/linux/linux-renesas/0003-arm64-dts-r8a7795-es1-Update-cpu-capacity-dmips-mhz.patch new file mode 100644 index 0000000..d779509 --- /dev/null +++ b/meta-eas/recipes-kernel/linux/linux-renesas/0003-arm64-dts-r8a7795-es1-Update-cpu-capacity-dmips-mhz.patch @@ -0,0 +1,59 @@ +From 30b845df13f693baadc3c35b8719adb0a13a2a4a Mon Sep 17 00:00:00 2001 +From: Gaku Inami <gaku.inami.xw@bp.renesas.com> +Date: Wed, 15 Nov 2017 11:36:37 +0900 +Subject: [PATCH 3/4] arm64: dts: r8a7795-es1: Update cpu capacity-dmips-mhz + +Since the cpu_capacity for CA53 was set smaller than expected, the +behavior of scheduler may not be suitable a little. This patch fixes +the reasonable value to fit current implementation. This value should +be updated again when the turbo mode and big little architecture will +support with cpu capacity features. + +Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com> +--- + arch/arm64/boot/dts/renesas/r8a7795-es1.dtsi | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/arch/arm64/boot/dts/renesas/r8a7795-es1.dtsi b/arch/arm64/boot/dts/renesas/r8a7795-es1.dtsi +index c2b5b8d..b8a1542 100644 +--- a/arch/arm64/boot/dts/renesas/r8a7795-es1.dtsi ++++ b/arch/arm64/boot/dts/renesas/r8a7795-es1.dtsi +@@ -170,7 +170,7 @@ + dynamic-power-coefficient = <277>; + clocks =<&cpg CPG_CORE R8A7795_CLK_Z2>; + operating-points-v2 = <&cluster1_opp_tb0>; +- capacity-dmips-mhz = <379>; ++ capacity-dmips-mhz = <540>; + }; + + a53_1: cpu@101 { +@@ -180,7 +180,7 @@ + next-level-cache = <&L2_CA53>; + enable-method = "psci"; + operating-points-v2 = <&cluster1_opp_tb0>; +- capacity-dmips-mhz = <379>; ++ capacity-dmips-mhz = <540>; + }; + + a53_2: cpu@102 { +@@ -190,7 +190,7 @@ + next-level-cache = <&L2_CA53>; + enable-method = "psci"; + operating-points-v2 = <&cluster1_opp_tb0>; +- capacity-dmips-mhz = <379>; ++ capacity-dmips-mhz = <540>; + }; + + a53_3: cpu@103 { +@@ -200,7 +200,7 @@ + next-level-cache = <&L2_CA53>; + enable-method = "psci"; + operating-points-v2 = <&cluster1_opp_tb0>; +- capacity-dmips-mhz = <379>; ++ capacity-dmips-mhz = <540>; + }; + + L2_CA57: cache-controller@0 { +-- +2.7.4 + |