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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e6e35596fd
This downclocks the shader domain from 720MHz to 594MHz, which gets rid of brown-outs due to excessive current draw on the PMIC switchers. The board has an unchanged power tree from the Quad design, which isn't able to cope with higher current needs of the QuadPlus GPU at full speed. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Tested-by: Chris Healy <cphealy@gmail.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
61 lines
2.2 KiB
Plaintext
61 lines
2.2 KiB
Plaintext
/*
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* Copyright (C) 2016-2017 Zodiac Inflight Innovations
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPL or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Or, alternatively,
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/dts-v1/;
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#include "imx6qp.dtsi"
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#include "imx6qdl-zii-rdu2.dtsi"
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/ {
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model = "ZII RDU2+ Board";
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compatible = "zii,imx6qp-zii-rdu2", "fsl,imx6qp";
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/* Will be filled by the bootloader */
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memory@10000000 {
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reg = <0x10000000 0>;
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};
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};
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&gpu_3d {
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assigned-clocks = <&clks IMX6QDL_CLK_GPU3D_SHADER_SEL>;
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assigned-clock-parents = <&clks IMX6QDL_CLK_PLL2_PFD1_594M>;
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};
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