linux_dsm_epyc7002/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
Evan Quan ac1092b341 drm/amd/powerplay: check gfxclk dpm enablement before proceeding
Support gfxclk dpm disablement.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-25 13:26:09 -05:00

1505 lines
35 KiB
C

/*
* Copyright 2019 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 <linux/firmware.h>
#include "pp_debug.h"
#include "amdgpu.h"
#include "amdgpu_smu.h"
#include "soc15_common.h"
#include "smu_v11_0.h"
#include "atom.h"
#include "amd_pcie.h"
int smu_get_smc_version(struct smu_context *smu, uint32_t *if_version, uint32_t *smu_version)
{
int ret = 0;
if (!if_version && !smu_version)
return -EINVAL;
if (if_version) {
ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion);
if (ret)
return ret;
ret = smu_read_smc_arg(smu, if_version);
if (ret)
return ret;
}
if (smu_version) {
ret = smu_send_smc_msg(smu, SMU_MSG_GetSmuVersion);
if (ret)
return ret;
ret = smu_read_smc_arg(smu, smu_version);
if (ret)
return ret;
}
return ret;
}
int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t min, uint32_t max)
{
int ret = 0, clk_id = 0;
uint32_t param;
if (min <= 0 && max <= 0)
return -EINVAL;
clk_id = smu_clk_get_index(smu, clk_type);
if (clk_id < 0)
return clk_id;
if (max > 0) {
param = (uint32_t)((clk_id << 16) | (max & 0xffff));
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxByFreq,
param);
if (ret)
return ret;
}
if (min > 0) {
param = (uint32_t)((clk_id << 16) | (min & 0xffff));
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMinByFreq,
param);
if (ret)
return ret;
}
return ret;
}
int smu_set_hard_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t min, uint32_t max)
{
int ret = 0, clk_id = 0;
uint32_t param;
if (min <= 0 && max <= 0)
return -EINVAL;
clk_id = smu_clk_get_index(smu, clk_type);
if (clk_id < 0)
return clk_id;
if (max > 0) {
param = (uint32_t)((clk_id << 16) | (max & 0xffff));
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetHardMaxByFreq,
param);
if (ret)
return ret;
}
if (min > 0) {
param = (uint32_t)((clk_id << 16) | (min & 0xffff));
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinByFreq,
param);
if (ret)
return ret;
}
return ret;
}
int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t *min, uint32_t *max)
{
int ret = 0, clk_id = 0;
uint32_t param = 0;
if (!min && !max)
return -EINVAL;
switch (clk_type) {
case SMU_UCLK:
if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
pr_warn("uclk dpm is not enabled\n");
return 0;
}
break;
case SMU_GFXCLK:
case SMU_SCLK:
if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_GFXCLK_BIT)) {
pr_warn("gfxclk dpm is not enabled\n");
return 0;
}
break;
default:
break;
}
mutex_lock(&smu->mutex);
clk_id = smu_clk_get_index(smu, clk_type);
if (clk_id < 0) {
ret = -EINVAL;
goto failed;
}
param = (clk_id & 0xffff) << 16;
if (max) {
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMaxDpmFreq, param);
if (ret)
goto failed;
ret = smu_read_smc_arg(smu, max);
if (ret)
goto failed;
}
if (min) {
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetMinDpmFreq, param);
if (ret)
goto failed;
ret = smu_read_smc_arg(smu, min);
if (ret)
goto failed;
}
failed:
mutex_unlock(&smu->mutex);
return ret;
}
int smu_get_dpm_freq_by_index(struct smu_context *smu, enum smu_clk_type clk_type,
uint16_t level, uint32_t *value)
{
int ret = 0, clk_id = 0;
uint32_t param;
if (!value)
return -EINVAL;
clk_id = smu_clk_get_index(smu, clk_type);
if (clk_id < 0)
return clk_id;
param = (uint32_t)(((clk_id & 0xffff) << 16) | (level & 0xffff));
ret = smu_send_smc_msg_with_param(smu,SMU_MSG_GetDpmFreqByIndex,
param);
if (ret)
return ret;
ret = smu_read_smc_arg(smu, &param);
if (ret)
return ret;
/* BIT31: 0 - Fine grained DPM, 1 - Dicrete DPM
* now, we un-support it */
*value = param & 0x7fffffff;
return ret;
}
int smu_get_dpm_level_count(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t *value)
{
return smu_get_dpm_freq_by_index(smu, clk_type, 0xff, value);
}
int smu_dpm_set_power_gate(struct smu_context *smu, uint32_t block_type,
bool gate)
{
int ret = 0;
switch (block_type) {
case AMD_IP_BLOCK_TYPE_UVD:
ret = smu_dpm_set_uvd_enable(smu, gate);
break;
case AMD_IP_BLOCK_TYPE_VCE:
ret = smu_dpm_set_vce_enable(smu, gate);
break;
case AMD_IP_BLOCK_TYPE_GFX:
ret = smu_gfx_off_control(smu, gate);
break;
default:
break;
}
return ret;
}
enum amd_pm_state_type smu_get_current_power_state(struct smu_context *smu)
{
/* not support power state */
return POWER_STATE_TYPE_DEFAULT;
}
int smu_get_power_num_states(struct smu_context *smu,
struct pp_states_info *state_info)
{
if (!state_info)
return -EINVAL;
/* not support power state */
memset(state_info, 0, sizeof(struct pp_states_info));
state_info->nums = 0;
return 0;
}
int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor,
void *data, uint32_t *size)
{
int ret = 0;
switch (sensor) {
case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK:
*((uint32_t *)data) = smu->pstate_sclk;
*size = 4;
break;
case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
*((uint32_t *)data) = smu->pstate_mclk;
*size = 4;
break;
case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
ret = smu_feature_get_enabled_mask(smu, (uint32_t *)data, 2);
*size = 8;
break;
case AMDGPU_PP_SENSOR_UVD_POWER:
*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT) ? 1 : 0;
*size = 4;
break;
case AMDGPU_PP_SENSOR_VCE_POWER:
*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
*size = 4;
break;
default:
ret = -EINVAL;
break;
}
if (ret)
*size = 0;
return ret;
}
int smu_update_table(struct smu_context *smu, enum smu_table_id table_index,
void *table_data, bool drv2smu)
{
struct smu_table_context *smu_table = &smu->smu_table;
struct smu_table *table = NULL;
int ret = 0;
int table_id = smu_table_get_index(smu, table_index);
if (!table_data || table_id >= smu_table->table_count)
return -EINVAL;
table = &smu_table->tables[table_index];
if (drv2smu)
memcpy(table->cpu_addr, table_data, table->size);
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetDriverDramAddrHigh,
upper_32_bits(table->mc_address));
if (ret)
return ret;
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetDriverDramAddrLow,
lower_32_bits(table->mc_address));
if (ret)
return ret;
ret = smu_send_smc_msg_with_param(smu, drv2smu ?
SMU_MSG_TransferTableDram2Smu :
SMU_MSG_TransferTableSmu2Dram,
table_id);
if (ret)
return ret;
if (!drv2smu)
memcpy(table_data, table->cpu_addr, table->size);
return ret;
}
bool is_support_sw_smu(struct amdgpu_device *adev)
{
if (adev->asic_type == CHIP_VEGA20)
return (amdgpu_dpm == 2) ? true : false;
else if (adev->asic_type >= CHIP_NAVI10)
return true;
else
return false;
}
int smu_sys_get_pp_table(struct smu_context *smu, void **table)
{
struct smu_table_context *smu_table = &smu->smu_table;
if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
return -EINVAL;
if (smu_table->hardcode_pptable)
*table = smu_table->hardcode_pptable;
else
*table = smu_table->power_play_table;
return smu_table->power_play_table_size;
}
int smu_sys_set_pp_table(struct smu_context *smu, void *buf, size_t size)
{
struct smu_table_context *smu_table = &smu->smu_table;
ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
int ret = 0;
if (!smu->pm_enabled)
return -EINVAL;
if (header->usStructureSize != size) {
pr_err("pp table size not matched !\n");
return -EIO;
}
mutex_lock(&smu->mutex);
if (!smu_table->hardcode_pptable)
smu_table->hardcode_pptable = kzalloc(size, GFP_KERNEL);
if (!smu_table->hardcode_pptable) {
ret = -ENOMEM;
goto failed;
}
memcpy(smu_table->hardcode_pptable, buf, size);
smu_table->power_play_table = smu_table->hardcode_pptable;
smu_table->power_play_table_size = size;
mutex_unlock(&smu->mutex);
ret = smu_reset(smu);
if (ret)
pr_info("smu reset failed, ret = %d\n", ret);
return ret;
failed:
mutex_unlock(&smu->mutex);
return ret;
}
int smu_feature_init_dpm(struct smu_context *smu)
{
struct smu_feature *feature = &smu->smu_feature;
int ret = 0;
uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
if (!smu->pm_enabled)
return ret;
mutex_lock(&feature->mutex);
bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
mutex_unlock(&feature->mutex);
ret = smu_get_allowed_feature_mask(smu, allowed_feature_mask,
SMU_FEATURE_MAX/32);
if (ret)
return ret;
mutex_lock(&feature->mutex);
bitmap_or(feature->allowed, feature->allowed,
(unsigned long *)allowed_feature_mask,
feature->feature_num);
mutex_unlock(&feature->mutex);
return ret;
}
int smu_feature_is_enabled(struct smu_context *smu, enum smu_feature_mask mask)
{
struct smu_feature *feature = &smu->smu_feature;
uint32_t feature_id;
int ret = 0;
feature_id = smu_feature_get_index(smu, mask);
WARN_ON(feature_id > feature->feature_num);
mutex_lock(&feature->mutex);
ret = test_bit(feature_id, feature->enabled);
mutex_unlock(&feature->mutex);
return ret;
}
int smu_feature_set_enabled(struct smu_context *smu, enum smu_feature_mask mask,
bool enable)
{
struct smu_feature *feature = &smu->smu_feature;
uint32_t feature_id;
int ret = 0;
feature_id = smu_feature_get_index(smu, mask);
WARN_ON(feature_id > feature->feature_num);
mutex_lock(&feature->mutex);
ret = smu_feature_update_enable_state(smu, feature_id, enable);
if (ret)
goto failed;
if (enable)
test_and_set_bit(feature_id, feature->enabled);
else
test_and_clear_bit(feature_id, feature->enabled);
failed:
mutex_unlock(&feature->mutex);
return ret;
}
int smu_feature_is_supported(struct smu_context *smu, enum smu_feature_mask mask)
{
struct smu_feature *feature = &smu->smu_feature;
uint32_t feature_id;
int ret = 0;
feature_id = smu_feature_get_index(smu, mask);
WARN_ON(feature_id > feature->feature_num);
mutex_lock(&feature->mutex);
ret = test_bit(feature_id, feature->supported);
mutex_unlock(&feature->mutex);
return ret;
}
int smu_feature_set_supported(struct smu_context *smu,
enum smu_feature_mask mask,
bool enable)
{
struct smu_feature *feature = &smu->smu_feature;
uint32_t feature_id;
int ret = 0;
feature_id = smu_feature_get_index(smu, mask);
WARN_ON(feature_id > feature->feature_num);
mutex_lock(&feature->mutex);
if (enable)
test_and_set_bit(feature_id, feature->supported);
else
test_and_clear_bit(feature_id, feature->supported);
mutex_unlock(&feature->mutex);
return ret;
}
static int smu_set_funcs(struct amdgpu_device *adev)
{
struct smu_context *smu = &adev->smu;
switch (adev->asic_type) {
case CHIP_VEGA20:
case CHIP_NAVI10:
if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
smu->od_enabled = true;
smu_v11_0_set_smu_funcs(smu);
break;
default:
return -EINVAL;
}
return 0;
}
static int smu_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
smu->adev = adev;
smu->pm_enabled = !!amdgpu_dpm;
mutex_init(&smu->mutex);
return smu_set_funcs(adev);
}
static int smu_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
if (!smu->pm_enabled)
return 0;
mutex_lock(&smu->mutex);
smu_handle_task(&adev->smu,
smu->smu_dpm.dpm_level,
AMD_PP_TASK_COMPLETE_INIT);
mutex_unlock(&smu->mutex);
return 0;
}
int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
uint16_t *size, uint8_t *frev, uint8_t *crev,
uint8_t **addr)
{
struct amdgpu_device *adev = smu->adev;
uint16_t data_start;
if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, table,
size, frev, crev, &data_start))
return -EINVAL;
*addr = (uint8_t *)adev->mode_info.atom_context->bios + data_start;
return 0;
}
static int smu_initialize_pptable(struct smu_context *smu)
{
/* TODO */
return 0;
}
static int smu_smc_table_sw_init(struct smu_context *smu)
{
int ret;
ret = smu_initialize_pptable(smu);
if (ret) {
pr_err("Failed to init smu_initialize_pptable!\n");
return ret;
}
/**
* Create smu_table structure, and init smc tables such as
* TABLE_PPTABLE, TABLE_WATERMARKS, TABLE_SMU_METRICS, and etc.
*/
ret = smu_init_smc_tables(smu);
if (ret) {
pr_err("Failed to init smc tables!\n");
return ret;
}
/**
* Create smu_power_context structure, and allocate smu_dpm_context and
* context size to fill the smu_power_context data.
*/
ret = smu_init_power(smu);
if (ret) {
pr_err("Failed to init smu_init_power!\n");
return ret;
}
return 0;
}
static int smu_smc_table_sw_fini(struct smu_context *smu)
{
int ret;
ret = smu_fini_smc_tables(smu);
if (ret) {
pr_err("Failed to smu_fini_smc_tables!\n");
return ret;
}
return 0;
}
static int smu_sw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
int ret;
smu->pool_size = adev->pm.smu_prv_buffer_size;
smu->smu_feature.feature_num = SMU_FEATURE_MAX;
mutex_init(&smu->smu_feature.mutex);
bitmap_zero(smu->smu_feature.supported, SMU_FEATURE_MAX);
bitmap_zero(smu->smu_feature.enabled, SMU_FEATURE_MAX);
bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
smu->watermarks_bitmap = 0;
smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1;
smu->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING] = 2;
smu->workload_prority[PP_SMC_POWER_PROFILE_VIDEO] = 3;
smu->workload_prority[PP_SMC_POWER_PROFILE_VR] = 4;
smu->workload_prority[PP_SMC_POWER_PROFILE_COMPUTE] = 5;
smu->workload_prority[PP_SMC_POWER_PROFILE_CUSTOM] = 6;
smu->workload_setting[0] = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
smu->workload_setting[1] = PP_SMC_POWER_PROFILE_FULLSCREEN3D;
smu->workload_setting[2] = PP_SMC_POWER_PROFILE_POWERSAVING;
smu->workload_setting[3] = PP_SMC_POWER_PROFILE_VIDEO;
smu->workload_setting[4] = PP_SMC_POWER_PROFILE_VR;
smu->workload_setting[5] = PP_SMC_POWER_PROFILE_COMPUTE;
smu->workload_setting[6] = PP_SMC_POWER_PROFILE_CUSTOM;
smu->display_config = &adev->pm.pm_display_cfg;
smu->smu_dpm.dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
smu->smu_dpm.requested_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
ret = smu_init_microcode(smu);
if (ret) {
pr_err("Failed to load smu firmware!\n");
return ret;
}
ret = smu_smc_table_sw_init(smu);
if (ret) {
pr_err("Failed to sw init smc table!\n");
return ret;
}
return 0;
}
static int smu_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
int ret;
ret = smu_smc_table_sw_fini(smu);
if (ret) {
pr_err("Failed to sw fini smc table!\n");
return ret;
}
ret = smu_fini_power(smu);
if (ret) {
pr_err("Failed to init smu_fini_power!\n");
return ret;
}
return 0;
}
static int smu_init_fb_allocations(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
struct smu_table_context *smu_table = &smu->smu_table;
struct smu_table *tables = smu_table->tables;
uint32_t table_count = smu_table->table_count;
uint32_t i = 0;
int32_t ret = 0;
if (table_count <= 0)
return -EINVAL;
for (i = 0 ; i < table_count; i++) {
if (tables[i].size == 0)
continue;
ret = amdgpu_bo_create_kernel(adev,
tables[i].size,
tables[i].align,
tables[i].domain,
&tables[i].bo,
&tables[i].mc_address,
&tables[i].cpu_addr);
if (ret)
goto failed;
}
return 0;
failed:
for (; i > 0; i--) {
if (tables[i].size == 0)
continue;
amdgpu_bo_free_kernel(&tables[i].bo,
&tables[i].mc_address,
&tables[i].cpu_addr);
}
return ret;
}
static int smu_fini_fb_allocations(struct smu_context *smu)
{
struct smu_table_context *smu_table = &smu->smu_table;
struct smu_table *tables = smu_table->tables;
uint32_t table_count = smu_table->table_count;
uint32_t i = 0;
if (table_count == 0 || tables == NULL)
return 0;
for (i = 0 ; i < table_count; i++) {
if (tables[i].size == 0)
continue;
amdgpu_bo_free_kernel(&tables[i].bo,
&tables[i].mc_address,
&tables[i].cpu_addr);
}
return 0;
}
static int smu_override_pcie_parameters(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
uint32_t pcie_gen = 0, pcie_width = 0, smu_pcie_arg;
int ret;
if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
pcie_gen = 3;
else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
pcie_gen = 2;
else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
pcie_gen = 1;
else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1)
pcie_gen = 0;
/* Bit 31:16: LCLK DPM level. 0 is DPM0, and 1 is DPM1
* Bit 15:8: PCIE GEN, 0 to 3 corresponds to GEN1 to GEN4
* Bit 7:0: PCIE lane width, 1 to 7 corresponds is x1 to x32
*/
if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
pcie_width = 6;
else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12)
pcie_width = 5;
else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8)
pcie_width = 4;
else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4)
pcie_width = 3;
else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2)
pcie_width = 2;
else if (adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X1)
pcie_width = 1;
smu_pcie_arg = (1 << 16) | (pcie_gen << 8) | pcie_width;
ret = smu_send_smc_msg_with_param(smu,
SMU_MSG_OverridePcieParameters,
smu_pcie_arg);
if (ret)
pr_err("[%s] Attempt to override pcie params failed!\n", __func__);
return ret;
}
static int smu_smc_table_hw_init(struct smu_context *smu,
bool initialize)
{
struct amdgpu_device *adev = smu->adev;
int ret;
if (smu_is_dpm_running(smu) && adev->in_suspend) {
pr_info("dpm has been enabled\n");
return 0;
}
ret = smu_init_display_count(smu, 0);
if (ret)
return ret;
if (initialize) {
/* get boot_values from vbios to set revision, gfxclk, and etc. */
ret = smu_get_vbios_bootup_values(smu);
if (ret)
return ret;
ret = smu_setup_pptable(smu);
if (ret)
return ret;
/*
* check if the format_revision in vbios is up to pptable header
* version, and the structure size is not 0.
*/
ret = smu_check_pptable(smu);
if (ret)
return ret;
/*
* allocate vram bos to store smc table contents.
*/
ret = smu_init_fb_allocations(smu);
if (ret)
return ret;
/*
* Parse pptable format and fill PPTable_t smc_pptable to
* smu_table_context structure. And read the smc_dpm_table from vbios,
* then fill it into smc_pptable.
*/
ret = smu_parse_pptable(smu);
if (ret)
return ret;
/*
* Send msg GetDriverIfVersion to check if the return value is equal
* with DRIVER_IF_VERSION of smc header.
*/
ret = smu_check_fw_version(smu);
if (ret)
return ret;
}
/*
* Copy pptable bo in the vram to smc with SMU MSGs such as
* SetDriverDramAddr and TransferTableDram2Smu.
*/
ret = smu_write_pptable(smu);
if (ret)
return ret;
/* issue RunAfllBtc msg */
ret = smu_run_afll_btc(smu);
if (ret)
return ret;
ret = smu_feature_set_allowed_mask(smu);
if (ret)
return ret;
ret = smu_system_features_control(smu, true);
if (ret)
return ret;
ret = smu_override_pcie_parameters(smu);
if (ret)
return ret;
ret = smu_notify_display_change(smu);
if (ret)
return ret;
/*
* Set min deep sleep dce fclk with bootup value from vbios via
* SetMinDeepSleepDcefclk MSG.
*/
ret = smu_set_min_dcef_deep_sleep(smu);
if (ret)
return ret;
/*
* Set initialized values (get from vbios) to dpm tables context such as
* gfxclk, memclk, dcefclk, and etc. And enable the DPM feature for each
* type of clks.
*/
if (initialize) {
ret = smu_populate_smc_pptable(smu);
if (ret)
return ret;
ret = smu_init_max_sustainable_clocks(smu);
if (ret)
return ret;
}
ret = smu_set_default_od_settings(smu, initialize);
if (ret)
return ret;
if (initialize) {
ret = smu_populate_umd_state_clk(smu);
if (ret)
return ret;
ret = smu_get_power_limit(smu, &smu->default_power_limit, false);
if (ret)
return ret;
}
/*
* Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
*/
ret = smu_set_tool_table_location(smu);
if (!smu_is_dpm_running(smu))
pr_info("dpm has been disabled\n");
return ret;
}
/**
* smu_alloc_memory_pool - allocate memory pool in the system memory
*
* @smu: amdgpu_device pointer
*
* This memory pool will be used for SMC use and msg SetSystemVirtualDramAddr
* and DramLogSetDramAddr can notify it changed.
*
* Returns 0 on success, error on failure.
*/
static int smu_alloc_memory_pool(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
struct smu_table_context *smu_table = &smu->smu_table;
struct smu_table *memory_pool = &smu_table->memory_pool;
uint64_t pool_size = smu->pool_size;
int ret = 0;
if (pool_size == SMU_MEMORY_POOL_SIZE_ZERO)
return ret;
memory_pool->size = pool_size;
memory_pool->align = PAGE_SIZE;
memory_pool->domain = AMDGPU_GEM_DOMAIN_GTT;
switch (pool_size) {
case SMU_MEMORY_POOL_SIZE_256_MB:
case SMU_MEMORY_POOL_SIZE_512_MB:
case SMU_MEMORY_POOL_SIZE_1_GB:
case SMU_MEMORY_POOL_SIZE_2_GB:
ret = amdgpu_bo_create_kernel(adev,
memory_pool->size,
memory_pool->align,
memory_pool->domain,
&memory_pool->bo,
&memory_pool->mc_address,
&memory_pool->cpu_addr);
break;
default:
break;
}
return ret;
}
static int smu_free_memory_pool(struct smu_context *smu)
{
struct smu_table_context *smu_table = &smu->smu_table;
struct smu_table *memory_pool = &smu_table->memory_pool;
int ret = 0;
if (memory_pool->size == SMU_MEMORY_POOL_SIZE_ZERO)
return ret;
amdgpu_bo_free_kernel(&memory_pool->bo,
&memory_pool->mc_address,
&memory_pool->cpu_addr);
memset(memory_pool, 0, sizeof(struct smu_table));
return ret;
}
static int smu_hw_init(void *handle)
{
int ret;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
ret = smu_check_fw_status(smu);
if (ret) {
pr_err("SMC firmware status is not correct\n");
return ret;
}
}
ret = smu_feature_init_dpm(smu);
if (ret)
goto failed;
ret = smu_smc_table_hw_init(smu, true);
if (ret)
goto failed;
ret = smu_alloc_memory_pool(smu);
if (ret)
goto failed;
/*
* Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
* pool location.
*/
ret = smu_notify_memory_pool_location(smu);
if (ret)
goto failed;
ret = smu_start_thermal_control(smu);
if (ret)
goto failed;
ret = smu_register_irq_handler(smu);
if (ret)
goto failed;
if (!smu->pm_enabled)
adev->pm.dpm_enabled = false;
else
adev->pm.dpm_enabled = true; /* TODO: will set dpm_enabled flag while VCN and DAL DPM is workable */
pr_info("SMU is initialized successfully!\n");
return 0;
failed:
return ret;
}
static int smu_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
struct smu_table_context *table_context = &smu->smu_table;
int ret = 0;
kfree(table_context->driver_pptable);
table_context->driver_pptable = NULL;
kfree(table_context->max_sustainable_clocks);
table_context->max_sustainable_clocks = NULL;
kfree(table_context->overdrive_table);
table_context->overdrive_table = NULL;
kfree(smu->irq_source);
smu->irq_source = NULL;
ret = smu_fini_fb_allocations(smu);
if (ret)
return ret;
ret = smu_free_memory_pool(smu);
if (ret)
return ret;
return 0;
}
int smu_reset(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
int ret = 0;
ret = smu_hw_fini(adev);
if (ret)
return ret;
ret = smu_hw_init(adev);
if (ret)
return ret;
return ret;
}
static int smu_suspend(void *handle)
{
int ret;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
ret = smu_system_features_control(smu, false);
if (ret)
return ret;
smu->watermarks_bitmap &= ~(WATERMARKS_LOADED);
if (adev->asic_type >= CHIP_NAVI10 &&
adev->gfx.rlc.funcs->stop)
adev->gfx.rlc.funcs->stop(adev);
return 0;
}
static int smu_resume(void *handle)
{
int ret;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
pr_info("SMU is resuming...\n");
mutex_lock(&smu->mutex);
ret = smu_smc_table_hw_init(smu, false);
if (ret)
goto failed;
ret = smu_start_thermal_control(smu);
if (ret)
goto failed;
mutex_unlock(&smu->mutex);
pr_info("SMU is resumed successfully!\n");
return 0;
failed:
mutex_unlock(&smu->mutex);
return ret;
}
int smu_display_configuration_change(struct smu_context *smu,
const struct amd_pp_display_configuration *display_config)
{
int index = 0;
int num_of_active_display = 0;
if (!smu->pm_enabled || !is_support_sw_smu(smu->adev))
return -EINVAL;
if (!display_config)
return -EINVAL;
mutex_lock(&smu->mutex);
smu_set_deep_sleep_dcefclk(smu,
display_config->min_dcef_deep_sleep_set_clk / 100);
for (index = 0; index < display_config->num_path_including_non_display; index++) {
if (display_config->displays[index].controller_id != 0)
num_of_active_display++;
}
smu_set_active_display_count(smu, num_of_active_display);
smu_store_cc6_data(smu, display_config->cpu_pstate_separation_time,
display_config->cpu_cc6_disable,
display_config->cpu_pstate_disable,
display_config->nb_pstate_switch_disable);
mutex_unlock(&smu->mutex);
return 0;
}
static int smu_get_clock_info(struct smu_context *smu,
struct smu_clock_info *clk_info,
enum smu_perf_level_designation designation)
{
int ret;
struct smu_performance_level level = {0};
if (!clk_info)
return -EINVAL;
ret = smu_get_perf_level(smu, PERF_LEVEL_ACTIVITY, &level);
if (ret)
return -EINVAL;
clk_info->min_mem_clk = level.memory_clock;
clk_info->min_eng_clk = level.core_clock;
clk_info->min_bus_bandwidth = level.non_local_mem_freq * level.non_local_mem_width;
ret = smu_get_perf_level(smu, designation, &level);
if (ret)
return -EINVAL;
clk_info->min_mem_clk = level.memory_clock;
clk_info->min_eng_clk = level.core_clock;
clk_info->min_bus_bandwidth = level.non_local_mem_freq * level.non_local_mem_width;
return 0;
}
int smu_get_current_clocks(struct smu_context *smu,
struct amd_pp_clock_info *clocks)
{
struct amd_pp_simple_clock_info simple_clocks = {0};
struct smu_clock_info hw_clocks;
int ret = 0;
if (!is_support_sw_smu(smu->adev))
return -EINVAL;
mutex_lock(&smu->mutex);
smu_get_dal_power_level(smu, &simple_clocks);
if (smu->support_power_containment)
ret = smu_get_clock_info(smu, &hw_clocks,
PERF_LEVEL_POWER_CONTAINMENT);
else
ret = smu_get_clock_info(smu, &hw_clocks, PERF_LEVEL_ACTIVITY);
if (ret) {
pr_err("Error in smu_get_clock_info\n");
goto failed;
}
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;
if (simple_clocks.level == 0)
clocks->max_clocks_state = PP_DAL_POWERLEVEL_7;
else
clocks->max_clocks_state = simple_clocks.level;
if (!smu_get_current_shallow_sleep_clocks(smu, &hw_clocks)) {
clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk;
clocks->min_engine_clock_in_sr = hw_clocks.min_eng_clk;
}
failed:
mutex_unlock(&smu->mutex);
return ret;
}
static int smu_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
return 0;
}
static int smu_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
return 0;
}
static int smu_enable_umd_pstate(void *handle,
enum amd_dpm_forced_level *level)
{
uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK |
AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
struct smu_context *smu = (struct smu_context*)(handle);
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
if (!smu->pm_enabled || !smu_dpm_ctx->dpm_context)
return -EINVAL;
if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
/* enter umd pstate, save current level, disable gfx cg*/
if (*level & profile_mode_mask) {
smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
smu_dpm_ctx->enable_umd_pstate = true;
amdgpu_device_ip_set_clockgating_state(smu->adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_CG_STATE_UNGATE);
amdgpu_device_ip_set_powergating_state(smu->adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_PG_STATE_UNGATE);
}
} else {
/* exit umd pstate, restore level, enable gfx cg*/
if (!(*level & profile_mode_mask)) {
if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)
*level = smu_dpm_ctx->saved_dpm_level;
smu_dpm_ctx->enable_umd_pstate = false;
amdgpu_device_ip_set_clockgating_state(smu->adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_CG_STATE_GATE);
amdgpu_device_ip_set_powergating_state(smu->adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_PG_STATE_GATE);
}
}
return 0;
}
int smu_adjust_power_state_dynamic(struct smu_context *smu,
enum amd_dpm_forced_level level,
bool skip_display_settings)
{
int ret = 0;
int index = 0;
uint32_t sclk_mask, mclk_mask, soc_mask;
long workload;
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
if (!smu->pm_enabled)
return -EINVAL;
if (!skip_display_settings) {
ret = smu_display_config_changed(smu);
if (ret) {
pr_err("Failed to change display config!");
return ret;
}
}
if (!smu->pm_enabled)
return -EINVAL;
ret = smu_apply_clocks_adjust_rules(smu);
if (ret) {
pr_err("Failed to apply clocks adjust rules!");
return ret;
}
if (!skip_display_settings) {
ret = smu_notify_smc_dispaly_config(smu);
if (ret) {
pr_err("Failed to notify smc display config!");
return ret;
}
}
if (smu_dpm_ctx->dpm_level != level) {
switch (level) {
case AMD_DPM_FORCED_LEVEL_HIGH:
ret = smu_force_dpm_limit_value(smu, true);
break;
case AMD_DPM_FORCED_LEVEL_LOW:
ret = smu_force_dpm_limit_value(smu, false);
break;
case AMD_DPM_FORCED_LEVEL_AUTO:
ret = smu_unforce_dpm_levels(smu);
break;
case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD:
case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK:
case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
ret = smu_get_profiling_clk_mask(smu, level,
&sclk_mask,
&mclk_mask,
&soc_mask);
if (ret)
return ret;
smu_force_clk_levels(smu, PP_SCLK, 1 << sclk_mask);
smu_force_clk_levels(smu, PP_MCLK, 1 << mclk_mask);
break;
case AMD_DPM_FORCED_LEVEL_MANUAL:
case AMD_DPM_FORCED_LEVEL_PROFILE_EXIT:
default:
break;
}
if (!ret)
smu_dpm_ctx->dpm_level = level;
}
if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
index = fls(smu->workload_mask);
index = index > 0 && index <= WORKLOAD_POLICY_MAX ? index - 1 : 0;
workload = smu->workload_setting[index];
if (smu->power_profile_mode != workload)
smu_set_power_profile_mode(smu, &workload, 0);
}
return ret;
}
int smu_handle_task(struct smu_context *smu,
enum amd_dpm_forced_level level,
enum amd_pp_task task_id)
{
int ret = 0;
switch (task_id) {
case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
ret = smu_pre_display_config_changed(smu);
if (ret)
return ret;
ret = smu_set_cpu_power_state(smu);
if (ret)
return ret;
ret = smu_adjust_power_state_dynamic(smu, level, false);
break;
case AMD_PP_TASK_COMPLETE_INIT:
case AMD_PP_TASK_READJUST_POWER_STATE:
ret = smu_adjust_power_state_dynamic(smu, level, true);
break;
default:
break;
}
return ret;
}
enum amd_dpm_forced_level smu_get_performance_level(struct smu_context *smu)
{
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
if (!smu_dpm_ctx->dpm_context)
return -EINVAL;
mutex_lock(&(smu->mutex));
if (smu_dpm_ctx->dpm_level != smu_dpm_ctx->saved_dpm_level) {
smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
}
mutex_unlock(&(smu->mutex));
return smu_dpm_ctx->dpm_level;
}
int smu_force_performance_level(struct smu_context *smu, enum amd_dpm_forced_level level)
{
int ret = 0;
int i;
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
if (!smu_dpm_ctx->dpm_context)
return -EINVAL;
for (i = 0; i < smu->adev->num_ip_blocks; i++) {
if (smu->adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC)
break;
}
smu->adev->ip_blocks[i].version->funcs->enable_umd_pstate(smu, &level);
ret = smu_handle_task(smu, level,
AMD_PP_TASK_READJUST_POWER_STATE);
if (ret)
return ret;
mutex_lock(&smu->mutex);
smu_dpm_ctx->dpm_level = level;
mutex_unlock(&smu->mutex);
return ret;
}
int smu_set_display_count(struct smu_context *smu, uint32_t count)
{
int ret = 0;
mutex_lock(&smu->mutex);
ret = smu_init_display_count(smu, count);
mutex_unlock(&smu->mutex);
return ret;
}
const struct amd_ip_funcs smu_ip_funcs = {
.name = "smu",
.early_init = smu_early_init,
.late_init = smu_late_init,
.sw_init = smu_sw_init,
.sw_fini = smu_sw_fini,
.hw_init = smu_hw_init,
.hw_fini = smu_hw_fini,
.suspend = smu_suspend,
.resume = smu_resume,
.is_idle = NULL,
.check_soft_reset = NULL,
.wait_for_idle = NULL,
.soft_reset = NULL,
.set_clockgating_state = smu_set_clockgating_state,
.set_powergating_state = smu_set_powergating_state,
.enable_umd_pstate = smu_enable_umd_pstate,
};
const struct amdgpu_ip_block_version smu_v11_0_ip_block =
{
.type = AMD_IP_BLOCK_TYPE_SMC,
.major = 11,
.minor = 0,
.rev = 0,
.funcs = &smu_ip_funcs,
};