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gpu: nvgpu: Move Linux files away from common
Move all Linux source code files to drivers/gpu/nvgpu/os/linux from drivers/gpu/nvgpu/common/linux. This changes the meaning of common to be OS independent. JIRA NVGPU-598 JIRA NVGPU-601 Change-Id: Ib7f2a43d3688bb0d0b7dcc48469a6783fd988ce9 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1747714 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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168
drivers/gpu/nvgpu/os/linux/vgpu/clk_vgpu.c
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168
drivers/gpu/nvgpu/os/linux/vgpu/clk_vgpu.c
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/*
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* Virtualized GPU Clock Interface
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*
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* Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions 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 program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <nvgpu/vgpu/vgpu.h>
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#include "gk20a/gk20a.h"
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#include "clk_vgpu.h"
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#include "ctrl/ctrlclk.h"
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#include "os/linux/platform_gk20a.h"
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static unsigned long
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vgpu_freq_table[TEGRA_VGPU_GPU_FREQ_TABLE_SIZE];
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static unsigned long vgpu_clk_get_rate(struct gk20a *g, u32 api_domain)
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{
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struct tegra_vgpu_cmd_msg msg = {};
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struct tegra_vgpu_gpu_clk_rate_params *p = &msg.params.gpu_clk_rate;
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int err;
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unsigned long ret = 0;
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nvgpu_log_fn(g, " ");
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switch (api_domain) {
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case CTRL_CLK_DOMAIN_GPCCLK:
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msg.cmd = TEGRA_VGPU_CMD_GET_GPU_CLK_RATE;
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msg.handle = vgpu_get_handle(g);
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err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
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err = err ? err : msg.ret;
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if (err)
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nvgpu_err(g, "%s failed - %d", __func__, err);
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else
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/* return frequency in Hz */
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ret = p->rate * 1000;
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break;
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case CTRL_CLK_DOMAIN_PWRCLK:
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nvgpu_err(g, "unsupported clock: %u", api_domain);
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break;
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default:
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nvgpu_err(g, "unknown clock: %u", api_domain);
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break;
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}
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return ret;
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}
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static int vgpu_clk_set_rate(struct gk20a *g,
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u32 api_domain, unsigned long rate)
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{
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struct tegra_vgpu_cmd_msg msg = {};
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struct tegra_vgpu_gpu_clk_rate_params *p = &msg.params.gpu_clk_rate;
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int err = -EINVAL;
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nvgpu_log_fn(g, " ");
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switch (api_domain) {
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case CTRL_CLK_DOMAIN_GPCCLK:
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msg.cmd = TEGRA_VGPU_CMD_SET_GPU_CLK_RATE;
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msg.handle = vgpu_get_handle(g);
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/* server dvfs framework requires frequency in kHz */
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p->rate = (u32)(rate / 1000);
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err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
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err = err ? err : msg.ret;
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if (err)
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nvgpu_err(g, "%s failed - %d", __func__, err);
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break;
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case CTRL_CLK_DOMAIN_PWRCLK:
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nvgpu_err(g, "unsupported clock: %u", api_domain);
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break;
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default:
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nvgpu_err(g, "unknown clock: %u", api_domain);
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break;
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}
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return err;
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}
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static unsigned long vgpu_clk_get_maxrate(struct gk20a *g, u32 api_domain)
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{
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struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
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return priv->constants.max_freq;
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}
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void vgpu_init_clk_support(struct gk20a *g)
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{
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g->ops.clk.get_rate = vgpu_clk_get_rate;
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g->ops.clk.set_rate = vgpu_clk_set_rate;
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g->ops.clk.get_maxrate = vgpu_clk_get_maxrate;
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}
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long vgpu_clk_round_rate(struct device *dev, unsigned long rate)
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{
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/* server will handle frequency rounding */
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return rate;
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}
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int vgpu_clk_get_freqs(struct device *dev,
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unsigned long **freqs, int *num_freqs)
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{
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struct gk20a_platform *platform = gk20a_get_platform(dev);
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struct gk20a *g = platform->g;
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struct tegra_vgpu_cmd_msg msg = {};
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struct tegra_vgpu_get_gpu_freq_table_params *p =
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&msg.params.get_gpu_freq_table;
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unsigned int i;
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int err;
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nvgpu_log_fn(g, " ");
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msg.cmd = TEGRA_VGPU_CMD_GET_GPU_FREQ_TABLE;
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msg.handle = vgpu_get_handle(g);
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p->num_freqs = TEGRA_VGPU_GPU_FREQ_TABLE_SIZE;
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err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
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err = err ? err : msg.ret;
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if (err) {
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nvgpu_err(g, "%s failed - %d", __func__, err);
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return err;
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}
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/* return frequency in Hz */
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for (i = 0; i < p->num_freqs; i++)
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vgpu_freq_table[i] = p->freqs[i] * 1000;
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*freqs = vgpu_freq_table;
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*num_freqs = p->num_freqs;
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return 0;
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}
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int vgpu_clk_cap_rate(struct device *dev, unsigned long rate)
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{
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struct gk20a_platform *platform = gk20a_get_platform(dev);
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struct gk20a *g = platform->g;
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struct tegra_vgpu_cmd_msg msg = {};
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struct tegra_vgpu_gpu_clk_rate_params *p = &msg.params.gpu_clk_rate;
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int err = 0;
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nvgpu_log_fn(g, " ");
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msg.cmd = TEGRA_VGPU_CMD_CAP_GPU_CLK_RATE;
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msg.handle = vgpu_get_handle(g);
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p->rate = (u32)rate;
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err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
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err = err ? err : msg.ret;
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if (err) {
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nvgpu_err(g, "%s failed - %d", __func__, err);
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return err;
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}
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return 0;
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}
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