linux/drivers/gpu/drm/amd/powerplay/amd_powerplay.c

1480 lines
34 KiB
C

/*
* Copyright 2015 Advanced Micro Devices, Inc.
*
* 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 "pp_debug.h"
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/gfp.h>
#include <linux/slab.h>
#include "amd_shared.h"
#include "amd_powerplay.h"
#include "pp_instance.h"
#include "power_state.h"
#include "eventmanager.h"
static inline int pp_check(struct pp_instance *handle)
{
if (handle == NULL || handle->pp_valid != PP_VALID)
return -EINVAL;
if (handle->smu_mgr == NULL || handle->smu_mgr->smumgr_funcs == NULL)
return -EINVAL;
if (handle->pm_en == 0)
return PP_DPM_DISABLED;
if (handle->hwmgr == NULL || handle->hwmgr->hwmgr_func == NULL
|| handle->eventmgr == NULL)
return PP_DPM_DISABLED;
return 0;
}
static int pp_early_init(void *handle)
{
int ret;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
ret = smum_early_init(pp_handle);
if (ret)
return ret;
if ((pp_handle->pm_en == 0)
|| cgs_is_virtualization_enabled(pp_handle->device))
return PP_DPM_DISABLED;
ret = hwmgr_early_init(pp_handle);
if (ret) {
pp_handle->pm_en = 0;
return PP_DPM_DISABLED;
}
ret = eventmgr_early_init(pp_handle);
if (ret) {
kfree(pp_handle->hwmgr);
pp_handle->hwmgr = NULL;
pp_handle->pm_en = 0;
return PP_DPM_DISABLED;
}
return 0;
}
static int pp_sw_init(void *handle)
{
struct pp_smumgr *smumgr;
int ret = 0;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
ret = pp_check(pp_handle);
if (ret == 0 || ret == PP_DPM_DISABLED) {
smumgr = pp_handle->smu_mgr;
if (smumgr->smumgr_funcs->smu_init == NULL)
return -EINVAL;
ret = smumgr->smumgr_funcs->smu_init(smumgr);
pr_info("amdgpu: powerplay sw initialized\n");
}
return ret;
}
static int pp_sw_fini(void *handle)
{
struct pp_smumgr *smumgr;
int ret = 0;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
ret = pp_check(pp_handle);
if (ret == 0 || ret == PP_DPM_DISABLED) {
smumgr = pp_handle->smu_mgr;
if (smumgr->smumgr_funcs->smu_fini == NULL)
return -EINVAL;
ret = smumgr->smumgr_funcs->smu_fini(smumgr);
}
return ret;
}
static int pp_hw_init(void *handle)
{
struct pp_smumgr *smumgr;
struct pp_eventmgr *eventmgr;
int ret = 0;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
ret = pp_check(pp_handle);
if (ret == 0 || ret == PP_DPM_DISABLED) {
smumgr = pp_handle->smu_mgr;
if (smumgr->smumgr_funcs->start_smu == NULL)
return -EINVAL;
if(smumgr->smumgr_funcs->start_smu(smumgr)) {
pr_err("smc start failed\n");
smumgr->smumgr_funcs->smu_fini(smumgr);
return -EINVAL;;
}
if (ret == PP_DPM_DISABLED)
return PP_DPM_DISABLED;
}
ret = hwmgr_hw_init(pp_handle);
if (ret)
goto err;
eventmgr = pp_handle->eventmgr;
if (eventmgr->pp_eventmgr_init == NULL ||
eventmgr->pp_eventmgr_init(eventmgr))
goto err;
return 0;
err:
pp_handle->pm_en = 0;
kfree(pp_handle->eventmgr);
kfree(pp_handle->hwmgr);
pp_handle->hwmgr = NULL;
pp_handle->eventmgr = NULL;
return PP_DPM_DISABLED;
}
static int pp_hw_fini(void *handle)
{
struct pp_eventmgr *eventmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret == 0) {
eventmgr = pp_handle->eventmgr;
if (eventmgr->pp_eventmgr_fini != NULL)
eventmgr->pp_eventmgr_fini(eventmgr);
hwmgr_hw_fini(pp_handle);
}
return 0;
}
static bool pp_is_idle(void *handle)
{
return false;
}
static int pp_wait_for_idle(void *handle)
{
return 0;
}
static int pp_sw_reset(void *handle)
{
return 0;
}
int amd_set_clockgating_by_smu(void *handle, uint32_t msg_id)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->update_clock_gatings == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
return hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id);
}
static int pp_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->enable_per_cu_power_gating == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
/* Enable/disable GFX per cu powergating through SMU */
return hwmgr->hwmgr_func->enable_per_cu_power_gating(hwmgr,
state == AMD_PG_STATE_GATE);
}
static int pp_suspend(void *handle)
{
struct pp_eventmgr *eventmgr;
struct pem_event_data event_data = { {0} };
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret == PP_DPM_DISABLED)
return 0;
else if (ret != 0)
return ret;
eventmgr = pp_handle->eventmgr;
pem_handle_event(eventmgr, AMD_PP_EVENT_SUSPEND, &event_data);
return 0;
}
static int pp_resume(void *handle)
{
struct pp_eventmgr *eventmgr;
struct pem_event_data event_data = { {0} };
struct pp_smumgr *smumgr;
int ret, ret1;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
ret1 = pp_check(pp_handle);
if (ret1 != 0 && ret1 != PP_DPM_DISABLED)
return ret1;
smumgr = pp_handle->smu_mgr;
if (smumgr->smumgr_funcs->start_smu == NULL)
return -EINVAL;
ret = smumgr->smumgr_funcs->start_smu(smumgr);
if (ret) {
pr_err("smc start failed\n");
smumgr->smumgr_funcs->smu_fini(smumgr);
return ret;
}
if (ret1 == PP_DPM_DISABLED)
return 0;
eventmgr = pp_handle->eventmgr;
pem_handle_event(eventmgr, AMD_PP_EVENT_RESUME, &event_data);
return 0;
}
const struct amd_ip_funcs pp_ip_funcs = {
.name = "powerplay",
.early_init = pp_early_init,
.late_init = NULL,
.sw_init = pp_sw_init,
.sw_fini = pp_sw_fini,
.hw_init = pp_hw_init,
.hw_fini = pp_hw_fini,
.suspend = pp_suspend,
.resume = pp_resume,
.is_idle = pp_is_idle,
.wait_for_idle = pp_wait_for_idle,
.soft_reset = pp_sw_reset,
.set_clockgating_state = NULL,
.set_powergating_state = pp_set_powergating_state,
};
static int pp_dpm_load_fw(void *handle)
{
return 0;
}
static int pp_dpm_fw_loading_complete(void *handle)
{
return 0;
}
static int pp_dpm_force_performance_level(void *handle,
enum amd_dpm_forced_level level)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->force_dpm_level == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
hwmgr->hwmgr_func->force_dpm_level(hwmgr, level);
mutex_unlock(&pp_handle->pp_lock);
return 0;
}
static enum amd_dpm_forced_level pp_dpm_get_performance_level(
void *handle)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
enum amd_dpm_forced_level level;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
mutex_lock(&pp_handle->pp_lock);
level = hwmgr->dpm_level;
mutex_unlock(&pp_handle->pp_lock);
return level;
}
static int pp_dpm_get_sclk(void *handle, bool low)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->get_sclk == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->get_sclk(hwmgr, low);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_get_mclk(void *handle, bool low)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->get_mclk == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->get_mclk(hwmgr, low);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_powergate_vce(void *handle, bool gate)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->powergate_vce == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->powergate_vce(hwmgr, gate);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_powergate_uvd(void *handle, bool gate)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->powergate_uvd == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->powergate_uvd(hwmgr, gate);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static enum PP_StateUILabel power_state_convert(enum amd_pm_state_type state)
{
switch (state) {
case POWER_STATE_TYPE_BATTERY:
return PP_StateUILabel_Battery;
case POWER_STATE_TYPE_BALANCED:
return PP_StateUILabel_Balanced;
case POWER_STATE_TYPE_PERFORMANCE:
return PP_StateUILabel_Performance;
default:
return PP_StateUILabel_None;
}
}
static int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id,
void *input, void *output)
{
int ret = 0;
struct pem_event_data data = { {0} };
struct pp_instance *pp_handle = (struct pp_instance *)handle;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
mutex_lock(&pp_handle->pp_lock);
switch (event_id) {
case AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE:
ret = pem_handle_event(pp_handle->eventmgr, event_id, &data);
break;
case AMD_PP_EVENT_ENABLE_USER_STATE:
{
enum amd_pm_state_type ps;
if (input == NULL) {
ret = -EINVAL;
break;
}
ps = *(unsigned long *)input;
data.requested_ui_label = power_state_convert(ps);
ret = pem_handle_event(pp_handle->eventmgr, event_id, &data);
break;
}
case AMD_PP_EVENT_COMPLETE_INIT:
ret = pem_handle_event(pp_handle->eventmgr, event_id, &data);
break;
case AMD_PP_EVENT_READJUST_POWER_STATE:
ret = pem_handle_event(pp_handle->eventmgr, event_id, &data);
break;
default:
break;
}
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static enum amd_pm_state_type pp_dpm_get_current_power_state(void *handle)
{
struct pp_hwmgr *hwmgr;
struct pp_power_state *state;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
enum amd_pm_state_type pm_type;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->current_ps == NULL)
return -EINVAL;
mutex_lock(&pp_handle->pp_lock);
state = hwmgr->current_ps;
switch (state->classification.ui_label) {
case PP_StateUILabel_Battery:
pm_type = POWER_STATE_TYPE_BATTERY;
break;
case PP_StateUILabel_Balanced:
pm_type = POWER_STATE_TYPE_BALANCED;
break;
case PP_StateUILabel_Performance:
pm_type = POWER_STATE_TYPE_PERFORMANCE;
break;
default:
if (state->classification.flags & PP_StateClassificationFlag_Boot)
pm_type = POWER_STATE_TYPE_INTERNAL_BOOT;
else
pm_type = POWER_STATE_TYPE_DEFAULT;
break;
}
mutex_unlock(&pp_handle->pp_lock);
return pm_type;
}
static int pp_dpm_set_fan_control_mode(void *handle, uint32_t mode)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->set_fan_control_mode == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->set_fan_control_mode(hwmgr, mode);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_get_fan_control_mode(void *handle)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->get_fan_control_mode == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->get_fan_control_mode(hwmgr);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_set_fan_speed_percent(void *handle, uint32_t percent)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->set_fan_speed_percent == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->set_fan_speed_percent(hwmgr, percent);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_get_fan_speed_percent(void *handle, uint32_t *speed)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->get_fan_speed_percent == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->get_fan_speed_percent(hwmgr, speed);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_get_fan_speed_rpm(void *handle, uint32_t *rpm)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->get_fan_speed_rpm == NULL)
return -EINVAL;
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->get_fan_speed_rpm(hwmgr, rpm);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_get_temperature(void *handle)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->get_temperature == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->get_temperature(hwmgr);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_get_pp_num_states(void *handle,
struct pp_states_info *data)
{
struct pp_hwmgr *hwmgr;
int i;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->ps == NULL)
return -EINVAL;
mutex_lock(&pp_handle->pp_lock);
data->nums = hwmgr->num_ps;
for (i = 0; i < hwmgr->num_ps; i++) {
struct pp_power_state *state = (struct pp_power_state *)
((unsigned long)hwmgr->ps + i * hwmgr->ps_size);
switch (state->classification.ui_label) {
case PP_StateUILabel_Battery:
data->states[i] = POWER_STATE_TYPE_BATTERY;
break;
case PP_StateUILabel_Balanced:
data->states[i] = POWER_STATE_TYPE_BALANCED;
break;
case PP_StateUILabel_Performance:
data->states[i] = POWER_STATE_TYPE_PERFORMANCE;
break;
default:
if (state->classification.flags & PP_StateClassificationFlag_Boot)
data->states[i] = POWER_STATE_TYPE_INTERNAL_BOOT;
else
data->states[i] = POWER_STATE_TYPE_DEFAULT;
}
}
mutex_unlock(&pp_handle->pp_lock);
return 0;
}
static int pp_dpm_get_pp_table(void *handle, char **table)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
int size = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (!hwmgr->soft_pp_table)
return -EINVAL;
mutex_lock(&pp_handle->pp_lock);
*table = (char *)hwmgr->soft_pp_table;
size = hwmgr->soft_pp_table_size;
mutex_unlock(&pp_handle->pp_lock);
return size;
}
static int pp_dpm_set_pp_table(void *handle, const char *buf, size_t size)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
mutex_lock(&pp_handle->pp_lock);
if (!hwmgr->hardcode_pp_table) {
hwmgr->hardcode_pp_table = kmemdup(hwmgr->soft_pp_table,
hwmgr->soft_pp_table_size,
GFP_KERNEL);
if (!hwmgr->hardcode_pp_table) {
mutex_unlock(&pp_handle->pp_lock);
return -ENOMEM;
}
}
memcpy(hwmgr->hardcode_pp_table, buf, size);
hwmgr->soft_pp_table = hwmgr->hardcode_pp_table;
mutex_unlock(&pp_handle->pp_lock);
ret = amd_powerplay_reset(handle);
if (ret)
return ret;
if (hwmgr->hwmgr_func->avfs_control) {
ret = hwmgr->hwmgr_func->avfs_control(hwmgr, false);
if (ret)
return ret;
}
return 0;
}
static int pp_dpm_force_clock_level(void *handle,
enum pp_clock_type type, uint32_t mask)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->force_clock_level == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
hwmgr->hwmgr_func->force_clock_level(hwmgr, type, mask);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_print_clock_levels(void *handle,
enum pp_clock_type type, char *buf)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->print_clock_levels == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->print_clock_levels(hwmgr, type, buf);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_get_sclk_od(void *handle)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->get_sclk_od == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->get_sclk_od(hwmgr);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_set_sclk_od(void *handle, uint32_t value)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->set_sclk_od == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->set_sclk_od(hwmgr, value);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_get_mclk_od(void *handle)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->get_mclk_od == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->get_mclk_od(hwmgr);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_set_mclk_od(void *handle, uint32_t value)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->set_mclk_od == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->set_mclk_od(hwmgr, value);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static int pp_dpm_read_sensor(void *handle, int idx,
void *value, int *size)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->read_sensor == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
mutex_lock(&pp_handle->pp_lock);
ret = hwmgr->hwmgr_func->read_sensor(hwmgr, idx, value, size);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
static struct amd_vce_state*
pp_dpm_get_vce_clock_state(void *handle, unsigned idx)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return NULL;
hwmgr = pp_handle->hwmgr;
if (hwmgr && idx < hwmgr->num_vce_state_tables)
return &hwmgr->vce_states[idx];
return NULL;
}
static int pp_dpm_reset_power_profile_state(void *handle,
struct amd_pp_profile *request)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
if (!request || pp_check(pp_handle))
return -EINVAL;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->set_power_profile_state == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
if (request->type == AMD_PP_GFX_PROFILE) {
hwmgr->gfx_power_profile = hwmgr->default_gfx_power_profile;
return hwmgr->hwmgr_func->set_power_profile_state(hwmgr,
&hwmgr->gfx_power_profile);
} else if (request->type == AMD_PP_COMPUTE_PROFILE) {
hwmgr->compute_power_profile =
hwmgr->default_compute_power_profile;
return hwmgr->hwmgr_func->set_power_profile_state(hwmgr,
&hwmgr->compute_power_profile);
} else
return -EINVAL;
}
static int pp_dpm_get_power_profile_state(void *handle,
struct amd_pp_profile *query)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
if (!query || pp_check(pp_handle))
return -EINVAL;
hwmgr = pp_handle->hwmgr;
if (query->type == AMD_PP_GFX_PROFILE)
memcpy(query, &hwmgr->gfx_power_profile,
sizeof(struct amd_pp_profile));
else if (query->type == AMD_PP_COMPUTE_PROFILE)
memcpy(query, &hwmgr->compute_power_profile,
sizeof(struct amd_pp_profile));
else
return -EINVAL;
return 0;
}
static int pp_dpm_set_power_profile_state(void *handle,
struct amd_pp_profile *request)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = -1;
if (!request || pp_check(pp_handle))
return -EINVAL;
hwmgr = pp_handle->hwmgr;
if (hwmgr->hwmgr_func->set_power_profile_state == NULL) {
pr_info("%s was not implemented.\n", __func__);
return 0;
}
if (request->min_sclk ||
request->min_mclk ||
request->activity_threshold ||
request->up_hyst ||
request->down_hyst) {
if (request->type == AMD_PP_GFX_PROFILE)
memcpy(&hwmgr->gfx_power_profile, request,
sizeof(struct amd_pp_profile));
else if (request->type == AMD_PP_COMPUTE_PROFILE)
memcpy(&hwmgr->compute_power_profile, request,
sizeof(struct amd_pp_profile));
else
return -EINVAL;
if (request->type == hwmgr->current_power_profile)
ret = hwmgr->hwmgr_func->set_power_profile_state(
hwmgr,
request);
} else {
/* set power profile if it exists */
switch (request->type) {
case AMD_PP_GFX_PROFILE:
ret = hwmgr->hwmgr_func->set_power_profile_state(
hwmgr,
&hwmgr->gfx_power_profile);
break;
case AMD_PP_COMPUTE_PROFILE:
ret = hwmgr->hwmgr_func->set_power_profile_state(
hwmgr,
&hwmgr->compute_power_profile);
break;
default:
return -EINVAL;
}
}
if (!ret)
hwmgr->current_power_profile = request->type;
return 0;
}
static int pp_dpm_switch_power_profile(void *handle,
enum amd_pp_profile_type type)
{
struct pp_hwmgr *hwmgr;
struct amd_pp_profile request = {0};
struct pp_instance *pp_handle = (struct pp_instance *)handle;
if (pp_check(pp_handle))
return -EINVAL;
hwmgr = pp_handle->hwmgr;
if (hwmgr->current_power_profile != type) {
request.type = type;
pp_dpm_set_power_profile_state(handle, &request);
}
return 0;
}
const struct amd_powerplay_funcs pp_dpm_funcs = {
.get_temperature = pp_dpm_get_temperature,
.load_firmware = pp_dpm_load_fw,
.wait_for_fw_loading_complete = pp_dpm_fw_loading_complete,
.force_performance_level = pp_dpm_force_performance_level,
.get_performance_level = pp_dpm_get_performance_level,
.get_current_power_state = pp_dpm_get_current_power_state,
.get_sclk = pp_dpm_get_sclk,
.get_mclk = pp_dpm_get_mclk,
.powergate_vce = pp_dpm_powergate_vce,
.powergate_uvd = pp_dpm_powergate_uvd,
.dispatch_tasks = pp_dpm_dispatch_tasks,
.set_fan_control_mode = pp_dpm_set_fan_control_mode,
.get_fan_control_mode = pp_dpm_get_fan_control_mode,
.set_fan_speed_percent = pp_dpm_set_fan_speed_percent,
.get_fan_speed_percent = pp_dpm_get_fan_speed_percent,
.get_fan_speed_rpm = pp_dpm_get_fan_speed_rpm,
.get_pp_num_states = pp_dpm_get_pp_num_states,
.get_pp_table = pp_dpm_get_pp_table,
.set_pp_table = pp_dpm_set_pp_table,
.force_clock_level = pp_dpm_force_clock_level,
.print_clock_levels = pp_dpm_print_clock_levels,
.get_sclk_od = pp_dpm_get_sclk_od,
.set_sclk_od = pp_dpm_set_sclk_od,
.get_mclk_od = pp_dpm_get_mclk_od,
.set_mclk_od = pp_dpm_set_mclk_od,
.read_sensor = pp_dpm_read_sensor,
.get_vce_clock_state = pp_dpm_get_vce_clock_state,
.reset_power_profile_state = pp_dpm_reset_power_profile_state,
.get_power_profile_state = pp_dpm_get_power_profile_state,
.set_power_profile_state = pp_dpm_set_power_profile_state,
.switch_power_profile = pp_dpm_switch_power_profile,
};
int amd_powerplay_create(struct amd_pp_init *pp_init,
void **handle)
{
struct pp_instance *instance;
if (pp_init == NULL || handle == NULL)
return -EINVAL;
instance = kzalloc(sizeof(struct pp_instance), GFP_KERNEL);
if (instance == NULL)
return -ENOMEM;
instance->pp_valid = PP_VALID;
instance->chip_family = pp_init->chip_family;
instance->chip_id = pp_init->chip_id;
instance->pm_en = pp_init->pm_en;
instance->feature_mask = pp_init->feature_mask;
instance->device = pp_init->device;
mutex_init(&instance->pp_lock);
*handle = instance;
return 0;
}
int amd_powerplay_destroy(void *handle)
{
struct pp_instance *instance = (struct pp_instance *)handle;
if (instance->pm_en) {
kfree(instance->eventmgr);
kfree(instance->hwmgr);
instance->hwmgr = NULL;
instance->eventmgr = NULL;
}
kfree(instance->smu_mgr);
instance->smu_mgr = NULL;
kfree(instance);
instance = NULL;
return 0;
}
int amd_powerplay_reset(void *handle)
{
struct pp_instance *instance = (struct pp_instance *)handle;
struct pp_eventmgr *eventmgr;
struct pem_event_data event_data = { {0} };
int ret;
if (cgs_is_virtualization_enabled(instance->smu_mgr->device))
return PP_DPM_DISABLED;
ret = pp_check(instance);
if (ret != 0)
return ret;
ret = pp_hw_fini(handle);
if (ret)
return ret;
ret = hwmgr_hw_init(instance);
if (ret)
return PP_DPM_DISABLED;
eventmgr = instance->eventmgr;
if (eventmgr->pp_eventmgr_init == NULL)
return PP_DPM_DISABLED;
ret = eventmgr->pp_eventmgr_init(eventmgr);
if (ret)
return ret;
return pem_handle_event(eventmgr, AMD_PP_EVENT_COMPLETE_INIT, &event_data);
}
/* export this function to DAL */
int amd_powerplay_display_configuration_change(void *handle,
const struct amd_pp_display_configuration *display_config)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
mutex_lock(&pp_handle->pp_lock);
phm_store_dal_configuration_data(hwmgr, display_config);
mutex_unlock(&pp_handle->pp_lock);
return 0;
}
int amd_powerplay_get_display_power_level(void *handle,
struct amd_pp_simple_clock_info *output)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (output == NULL)
return -EINVAL;
mutex_lock(&pp_handle->pp_lock);
ret = phm_get_dal_power_level(hwmgr, output);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
int amd_powerplay_get_current_clocks(void *handle,
struct amd_pp_clock_info *clocks)
{
struct amd_pp_simple_clock_info simple_clocks;
struct pp_clock_info hw_clocks;
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
mutex_lock(&pp_handle->pp_lock);
phm_get_dal_power_level(hwmgr, &simple_clocks);
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_PowerContainment))
ret = phm_get_clock_info(hwmgr, &hwmgr->current_ps->hardware,
&hw_clocks, PHM_PerformanceLevelDesignation_PowerContainment);
else
ret = phm_get_clock_info(hwmgr, &hwmgr->current_ps->hardware,
&hw_clocks, PHM_PerformanceLevelDesignation_Activity);
if (ret != 0) {
pr_info("Error in phm_get_clock_info \n");
mutex_unlock(&pp_handle->pp_lock);
return -EINVAL;
}
clocks->min_engine_clock = hw_clocks.min_eng_clk;
clocks->max_engine_clock = hw_clocks.max_eng_clk;
clocks->min_memory_clock = hw_clocks.min_mem_clk;
clocks->max_memory_clock = hw_clocks.max_mem_clk;
clocks->min_bus_bandwidth = hw_clocks.min_bus_bandwidth;
clocks->max_bus_bandwidth = hw_clocks.max_bus_bandwidth;
clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk;
clocks->min_engine_clock_in_sr = hw_clocks.min_eng_clk;
clocks->max_clocks_state = simple_clocks.level;
if (0 == phm_get_current_shallow_sleep_clocks(hwmgr, &hwmgr->current_ps->hardware, &hw_clocks)) {
clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk;
clocks->min_engine_clock_in_sr = hw_clocks.min_eng_clk;
}
mutex_unlock(&pp_handle->pp_lock);
return 0;
}
int amd_powerplay_get_clock_by_type(void *handle, enum amd_pp_clock_type type, struct amd_pp_clocks *clocks)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (clocks == NULL)
return -EINVAL;
mutex_lock(&pp_handle->pp_lock);
ret = phm_get_clock_by_type(hwmgr, type, clocks);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
int amd_powerplay_get_clock_by_type_with_latency(void *handle,
enum amd_pp_clock_type type,
struct pp_clock_levels_with_latency *clocks)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
if (!clocks)
return -EINVAL;
mutex_lock(&pp_handle->pp_lock);
hwmgr = ((struct pp_instance *)handle)->hwmgr;
ret = phm_get_clock_by_type_with_latency(hwmgr, type, clocks);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
int amd_powerplay_get_clock_by_type_with_voltage(void *handle,
enum amd_pp_clock_type type,
struct pp_clock_levels_with_voltage *clocks)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
if (!clocks)
return -EINVAL;
hwmgr = ((struct pp_instance *)handle)->hwmgr;
mutex_lock(&pp_handle->pp_lock);
ret = phm_get_clock_by_type_with_voltage(hwmgr, type, clocks);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
int amd_powerplay_set_watermarks_for_clocks_ranges(void *handle,
struct pp_wm_sets_with_clock_ranges_soc15 *wm_with_clock_ranges)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
if (!wm_with_clock_ranges)
return -EINVAL;
hwmgr = ((struct pp_instance *)handle)->hwmgr;
mutex_lock(&pp_handle->pp_lock);
ret = phm_set_watermarks_for_clocks_ranges(hwmgr,
wm_with_clock_ranges);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
int amd_powerplay_display_clock_voltage_request(void *handle,
struct pp_display_clock_request *clock)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
if (!clock)
return -EINVAL;
hwmgr = ((struct pp_instance *)handle)->hwmgr;
mutex_lock(&pp_handle->pp_lock);
ret = phm_display_clock_voltage_request(hwmgr, clock);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}
int amd_powerplay_get_display_mode_validation_clocks(void *handle,
struct amd_pp_simple_clock_info *clocks)
{
struct pp_hwmgr *hwmgr;
struct pp_instance *pp_handle = (struct pp_instance *)handle;
int ret = 0;
ret = pp_check(pp_handle);
if (ret != 0)
return ret;
hwmgr = pp_handle->hwmgr;
if (clocks == NULL)
return -EINVAL;
mutex_lock(&pp_handle->pp_lock);
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DynamicPatchPowerState))
ret = phm_get_max_high_clocks(hwmgr, clocks);
mutex_unlock(&pp_handle->pp_lock);
return ret;
}