From: Wei Ni <wni@nvidia.com> To: thierry.reding@gmail.com, daniel.lezcano@linaro.org, edubezval@gmail.com, linux-tegra@vger.kernel.org Cc: rui.zhang@intel.com, srikars@nvidia.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Wei Ni <wni@nvidia.com> Subject: [PATCH v1 04/12] of: Add bindings of gpu hw throttle for Tegra soctherm Date: Tue, 18 Dec 2018 15:34:36 +0800 [thread overview] Message-ID: <1545118484-23641-6-git-send-email-wni@nvidia.com> (raw) In-Reply-To: <1545118484-23641-1-git-send-email-wni@nvidia.com> Add "nvidia,gpu-throt-level" property to set gpu hw throttle level. Signed-off-by: Wei Ni <wni@nvidia.com> --- .../bindings/thermal/nvidia,tegra124-soctherm.txt | 17 +++++++++++++++-- include/dt-bindings/thermal/tegra124-soctherm.h | 22 ++++++++++++++++++---- 2 files changed, 33 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt b/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt index ab66d6feab4b..cf6d0be56b7a 100644 --- a/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt +++ b/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt @@ -52,6 +52,15 @@ Required properties : Must set as following values: TEGRA_SOCTHERM_THROT_LEVEL_LOW, TEGRA_SOCTHERM_THROT_LEVEL_MED TEGRA_SOCTHERM_THROT_LEVEL_HIGH, TEGRA_SOCTHERM_THROT_LEVEL_NONE + - nvidia,gpu-throt-level: This property is for Tegra124 and Tegra210. + It is the level of pulse skippers, which used to throttle clock + frequencies. It indicates gpu clock throttling depth and can be + programmed to any of the following values which represent a throttling + percentage: + TEGRA_SOCTHERM_THROT_LEVEL_NONE (0%) + TEGRA_SOCTHERM_THROT_LEVEL_LOW (50%), + TEGRA_SOCTHERM_THROT_LEVEL_MED (75%), + TEGRA_SOCTHERM_THROT_LEVEL_HIGH (85%). - #cooling-cells: Should be 1. This cooling device only support on/off state. See ./thermal.txt for a description of this property. @@ -96,22 +105,26 @@ Example : throttle-cfgs { /* * When the "heavy" cooling device triggered, - * the HW will skip cpu clock's pulse in 85% depth + * the HW will skip cpu clock's pulse in 85% depth, + * skip gpu clock's pulse in 85% level */ throttle_heavy: heavy { nvidia,priority = <100>; nvidia,cpu-throt-percent = <85>; + nvidia,gpu-throt-level = <TEGRA_SOCTHERM_THROT_LEVEL_HIGH>; #cooling-cells = <1>; }; /* * When the "light" cooling device triggered, - * the HW will skip cpu clock's pulse in 50% depth + * the HW will skip cpu clock's pulse in 50% depth, + * skip gpu clock's pulse in 50% level */ throttle_light: light { nvidia,priority = <80>; nvidia,cpu-throt-percent = <50>; + nvidia,gpu-throt-level = <TEGRA_SOCTHERM_THROT_LEVEL_LOW>; #cooling-cells = <1>; }; diff --git a/include/dt-bindings/thermal/tegra124-soctherm.h b/include/dt-bindings/thermal/tegra124-soctherm.h index c15e8b709a0d..75853df1c609 100644 --- a/include/dt-bindings/thermal/tegra124-soctherm.h +++ b/include/dt-bindings/thermal/tegra124-soctherm.h @@ -1,5 +1,19 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* + * Copyright (c) 2014 - 2018, NVIDIA CORPORATION. All rights reserved. + * + * Author: + * Mikko Perttunen <mperttunen@nvidia.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * * This header provides constants for binding nvidia,tegra124-soctherm. */ @@ -12,9 +26,9 @@ #define TEGRA124_SOCTHERM_SENSOR_PLLX 3 #define TEGRA124_SOCTHERM_SENSOR_NUM 4 -#define TEGRA_SOCTHERM_THROT_LEVEL_LOW 0 -#define TEGRA_SOCTHERM_THROT_LEVEL_MED 1 -#define TEGRA_SOCTHERM_THROT_LEVEL_HIGH 2 -#define TEGRA_SOCTHERM_THROT_LEVEL_NONE -1 +#define TEGRA_SOCTHERM_THROT_LEVEL_NONE 0 +#define TEGRA_SOCTHERM_THROT_LEVEL_LOW 1 +#define TEGRA_SOCTHERM_THROT_LEVEL_MED 2 +#define TEGRA_SOCTHERM_THROT_LEVEL_HIGH 3 #endif -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Wei Ni <wni@nvidia.com> To: <thierry.reding@gmail.com>, <daniel.lezcano@linaro.org>, <edubezval@gmail.com>, <linux-tegra@vger.kernel.org> Cc: <rui.zhang@intel.com>, <srikars@nvidia.com>, <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, Wei Ni <wni@nvidia.com> Subject: [PATCH v1 04/12] of: Add bindings of gpu hw throttle for Tegra soctherm Date: Tue, 18 Dec 2018 15:34:36 +0800 [thread overview] Message-ID: <1545118484-23641-6-git-send-email-wni@nvidia.com> (raw) In-Reply-To: <1545118484-23641-1-git-send-email-wni@nvidia.com> Add "nvidia,gpu-throt-level" property to set gpu hw throttle level. Signed-off-by: Wei Ni <wni@nvidia.com> --- .../bindings/thermal/nvidia,tegra124-soctherm.txt | 17 +++++++++++++++-- include/dt-bindings/thermal/tegra124-soctherm.h | 22 ++++++++++++++++++---- 2 files changed, 33 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt b/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt index ab66d6feab4b..cf6d0be56b7a 100644 --- a/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt +++ b/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.txt @@ -52,6 +52,15 @@ Required properties : Must set as following values: TEGRA_SOCTHERM_THROT_LEVEL_LOW, TEGRA_SOCTHERM_THROT_LEVEL_MED TEGRA_SOCTHERM_THROT_LEVEL_HIGH, TEGRA_SOCTHERM_THROT_LEVEL_NONE + - nvidia,gpu-throt-level: This property is for Tegra124 and Tegra210. + It is the level of pulse skippers, which used to throttle clock + frequencies. It indicates gpu clock throttling depth and can be + programmed to any of the following values which represent a throttling + percentage: + TEGRA_SOCTHERM_THROT_LEVEL_NONE (0%) + TEGRA_SOCTHERM_THROT_LEVEL_LOW (50%), + TEGRA_SOCTHERM_THROT_LEVEL_MED (75%), + TEGRA_SOCTHERM_THROT_LEVEL_HIGH (85%). - #cooling-cells: Should be 1. This cooling device only support on/off state. See ./thermal.txt for a description of this property. @@ -96,22 +105,26 @@ Example : throttle-cfgs { /* * When the "heavy" cooling device triggered, - * the HW will skip cpu clock's pulse in 85% depth + * the HW will skip cpu clock's pulse in 85% depth, + * skip gpu clock's pulse in 85% level */ throttle_heavy: heavy { nvidia,priority = <100>; nvidia,cpu-throt-percent = <85>; + nvidia,gpu-throt-level = <TEGRA_SOCTHERM_THROT_LEVEL_HIGH>; #cooling-cells = <1>; }; /* * When the "light" cooling device triggered, - * the HW will skip cpu clock's pulse in 50% depth + * the HW will skip cpu clock's pulse in 50% depth, + * skip gpu clock's pulse in 50% level */ throttle_light: light { nvidia,priority = <80>; nvidia,cpu-throt-percent = <50>; + nvidia,gpu-throt-level = <TEGRA_SOCTHERM_THROT_LEVEL_LOW>; #cooling-cells = <1>; }; diff --git a/include/dt-bindings/thermal/tegra124-soctherm.h b/include/dt-bindings/thermal/tegra124-soctherm.h index c15e8b709a0d..75853df1c609 100644 --- a/include/dt-bindings/thermal/tegra124-soctherm.h +++ b/include/dt-bindings/thermal/tegra124-soctherm.h @@ -1,5 +1,19 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* + * Copyright (c) 2014 - 2018, NVIDIA CORPORATION. All rights reserved. + * + * Author: + * Mikko Perttunen <mperttunen@nvidia.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * * This header provides constants for binding nvidia,tegra124-soctherm. */ @@ -12,9 +26,9 @@ #define TEGRA124_SOCTHERM_SENSOR_PLLX 3 #define TEGRA124_SOCTHERM_SENSOR_NUM 4 -#define TEGRA_SOCTHERM_THROT_LEVEL_LOW 0 -#define TEGRA_SOCTHERM_THROT_LEVEL_MED 1 -#define TEGRA_SOCTHERM_THROT_LEVEL_HIGH 2 -#define TEGRA_SOCTHERM_THROT_LEVEL_NONE -1 +#define TEGRA_SOCTHERM_THROT_LEVEL_NONE 0 +#define TEGRA_SOCTHERM_THROT_LEVEL_LOW 1 +#define TEGRA_SOCTHERM_THROT_LEVEL_MED 2 +#define TEGRA_SOCTHERM_THROT_LEVEL_HIGH 3 #endif -- 2.7.4
next prev parent reply other threads:[~2018-12-18 7:34 UTC|newest] Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-12-18 7:34 [PATCH v1 00/12] Add some functionalities for Tegra soctherm Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:34 ` Wei Ni 2019-01-21 9:26 ` Wei Ni 2019-01-21 9:26 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 01/12] of: Add bindings of thermtrip " Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-27 23:06 ` Rob Herring 2018-12-28 3:28 ` Wei Ni 2018-12-28 3:28 ` Wei Ni 2019-02-20 1:22 ` Eduardo Valentin 2019-02-20 8:39 ` Wei Ni 2019-02-20 8:39 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 02/12] thermal: tegra: support hw and sw shutdown Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 03/12] arm64: dts: tegra210: set thermtrip Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:34 ` Wei Ni [this message] 2018-12-18 7:34 ` [PATCH v1 04/12] of: Add bindings of gpu hw throttle for Tegra soctherm Wei Ni 2019-02-18 20:29 ` Rob Herring 2019-02-19 6:08 ` Wei Ni 2019-02-19 6:08 ` Wei Ni 2019-02-18 20:33 ` Rob Herring 2019-02-19 6:34 ` Wei Ni 2019-02-19 6:34 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 05/12] thermal: tegra: add support for gpu hw-throttle Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 06/12] arm64: dts: tegra210: set gpu hw throttle level Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 07/12] thermal: tegra: add support for thermal IRQ Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 08/12] thermal: tegra: add set_trips functionality Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 09/12] thermal: tegra: add support for EDP IRQ Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 10/12] arm64: dts: tegra210: set EDP interrupt line Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 11/12] of: Add bindings of OC hw throttle for Tegra soctherm Wei Ni 2018-12-18 7:34 ` Wei Ni 2019-02-18 20:32 ` Rob Herring 2019-02-19 6:31 ` Wei Ni 2019-02-19 6:31 ` Wei Ni 2018-12-18 7:34 ` [PATCH v1 12/12] thermal: tegra: enable OC hw throttle Wei Ni 2018-12-18 7:34 ` Wei Ni 2018-12-18 7:50 ` [PATCH v1 00/12] Add some functionalities for Tegra soctherm Wei Ni 2018-12-18 7:50 ` Wei Ni
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