drm/nouveau/volt: add GM20B driver (71757abf) · Commits · 戴 / test

drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -20,4 +20,5 @@ int nvkm_volt_set_id(struct nvkm_volt *, u8 id, int condition);
		int nv40_volt_new(struct nvkm_device , int, struct nvkm_volt *);
		int gk104_volt_new(struct nvkm_device , int, struct nvkm_volt *);
		int gk20a_volt_new(struct nvkm_device , int, struct nvkm_volt *);
		int gm20b_volt_new(struct nvkm_device , int, struct nvkm_volt *);
		#endif

drivers/gpu/drm/nouveau/nvkm/engine/device/base.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2093,6 +2093,7 @@ nv12b_chipset = {
		.secboot = gm20b_secboot_new,
		.timer = gk20a_timer_new,
		.ce[2] = gm200_ce_new,
		.volt = gm20b_volt_new,
		.dma = gf119_dma_new,
		.fifo = gm20b_fifo_new,
		.gr = gm20b_gr_new,

drivers/gpu/drm/nouveau/nvkm/subdev/volt/Kbuild

+1 −0

Original line number	Diff line number	Diff line
		@@ -3,3 +3,4 @@ nvkm-y += nvkm/subdev/volt/gpio.o
		nvkm-y += nvkm/subdev/volt/nv40.o
		nvkm-y += nvkm/subdev/volt/gk104.o
		nvkm-y += nvkm/subdev/volt/gk20a.o
		nvkm-y += nvkm/subdev/volt/gm20b.o

drivers/gpu/drm/nouveau/nvkm/subdev/volt/gm20b.c

0 → 100644

+56 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
		*
		* Permission is hereby granted, free of charge, to any person obtaining a
		* copy of this software and associated documentation files (the "Software"),
		* to deal in the Software without restriction, including without limitation
		* the rights to use, copy, modify, merge, publish, distribute, sublicense,
		* and/or sell copies of the Software, and to permit persons to whom the
		* Software is furnished to do so, subject to the following conditions:
		*
		* The above copyright notice and this permission notice shall be included in
		* all copies or substantial portions of the Software.
		*
		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
		* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
		* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
		* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
		* DEALINGS IN THE SOFTWARE.
		*/

		#include "priv.h"
		#include "gk20a.h"

		#include <core/tegra.h>

		const struct cvb_coef gm20b_cvb_coef[] = {
		/* KHz, c0, c1, c2 */
		/* 76800 */ { 1786666, -85625, 1632 },
		/* 153600 */ { 1846729, -87525, 1632 },
		/* 230400 */ { 1910480, -89425, 1632 },
		/* 307200 */ { 1977920, -91325, 1632 },
		/* 384000 */ { 2049049, -93215, 1632 },
		/* 460800 */ { 2122872, -95095, 1632 },
		/* 537600 */ { 2201331, -96985, 1632 },
		/* 614400 */ { 2283479, -98885, 1632 },
		/* 691200 */ { 2369315, -100785, 1632 },
		/* 768000 */ { 2458841, -102685, 1632 },
		/* 844800 */ { 2550821, -104555, 1632 },
		/* 921600 */ { 2647676, -106455, 1632 },
		};

		int
		gm20b_volt_new(struct nvkm_device device, int index, struct nvkm_volt *pvolt)
		{
		struct gk20a_volt *volt;

		volt = kzalloc(sizeof(*volt), GFP_KERNEL);
		if (!volt)
		return -ENOMEM;
		*pvolt = &volt->base;

		return _gk20a_volt_ctor(device, index, gm20b_cvb_coef,
		ARRAY_SIZE(gm20b_cvb_coef), volt);
		}

Admin message