126 lines
3.2 KiB
C
Executable file
126 lines
3.2 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* (C) COPYRIGHT 2021 Samsung Electronics Inc. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU licence.
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*
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* This program 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*/
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/* Implements */
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#include <gpex_clboost.h>
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/* Uses */
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#include <gpexbe_utilization.h>
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#include <gpex_utils.h>
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struct _clboost_info {
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int activation_compute_ratio;
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clboost_state state;
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};
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static struct _clboost_info clboost_info;
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int gpex_clboost_check_activation_condition(void)
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{
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if (clboost_info.state == CLBOOST_DISABLE)
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return false;
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return gpexbe_utilization_get_pure_compute_time_rate() >=
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clboost_info.activation_compute_ratio;
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}
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void gpex_clboost_set_state(clboost_state state)
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{
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clboost_info.state = state;
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}
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static ssize_t sysfs_wrapup(ssize_t count, char *buf)
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{
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if (count < PAGE_SIZE - 1) {
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count += snprintf(buf + count, PAGE_SIZE - count, "\n");
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} else {
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buf[PAGE_SIZE - 2] = '\n';
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buf[PAGE_SIZE - 1] = '\0';
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count = PAGE_SIZE - 1;
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}
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return count;
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}
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static ssize_t show_clboost_state(char *buf)
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{
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ssize_t ret = 0;
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ret += snprintf(buf + ret, PAGE_SIZE - ret, "enabled(%d) active(%d) compute_ratio(%d)",
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clboost_info.state, gpex_clboost_check_activation_condition(),
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gpexbe_utilization_get_pure_compute_time_rate());
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return sysfs_wrapup(ret, buf);
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}
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CREATE_SYSFS_KOBJECT_READ_FUNCTION(show_clboost_state)
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static ssize_t show_clboost_disable(char *buf)
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{
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ssize_t ret = 0;
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bool clboost_disabled = false;
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if (clboost_info.state == CLBOOST_DISABLE)
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clboost_disabled = true;
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ret += snprintf(buf + ret, PAGE_SIZE - ret, "%d", clboost_disabled);
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return sysfs_wrapup(ret, buf);
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}
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CREATE_SYSFS_KOBJECT_READ_FUNCTION(show_clboost_disable)
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static ssize_t set_clboost_disable(const char *buf, size_t count)
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{
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unsigned int clboost_disable = 0;
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int ret;
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ret = kstrtoint(buf, 0, &clboost_disable);
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if (ret) {
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GPU_LOG(MALI_EXYNOS_WARNING, "%s: invalid value\n", __func__);
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return -ENOENT;
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}
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if (clboost_disable == 0)
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clboost_info.state = CLBOOST_ENABLE;
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else
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clboost_info.state = CLBOOST_DISABLE;
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return count;
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}
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CREATE_SYSFS_KOBJECT_WRITE_FUNCTION(set_clboost_disable)
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int gpex_clboost_init(void)
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{
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clboost_info.state = CLBOOST_ENABLE;
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clboost_info.activation_compute_ratio = 100;
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GPEX_UTILS_SYSFS_KOBJECT_FILE_ADD(gpu_cl_boost_disable, show_clboost_disable,
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set_clboost_disable);
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GPEX_UTILS_SYSFS_KOBJECT_FILE_ADD_RO(gpu_cl_boost_state, show_clboost_state);
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gpex_utils_get_exynos_context()->clboost_info = &clboost_info;
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return 0;
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}
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void gpex_clboost_term(void)
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{
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clboost_info.state = CLBOOST_DISABLE;
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clboost_info.activation_compute_ratio = 101;
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}
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