Commit 5e4d4fbe authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher

drm/amd/pp: Implement edit_dpm_table on smu7

v2: - check clk against OverDrive limits from VBIOS
    - set OD flag when user commit the setting.
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b7e919b9
......@@ -4808,6 +4808,169 @@ static int smu7_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
return 0;
}
static bool smu7_check_clk_voltage_valid(struct pp_hwmgr *hwmgr,
enum PP_OD_DPM_TABLE_COMMAND type,
uint32_t clk,
uint32_t voltage)
{
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
uint32_t min_vddc;
struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table;
if (table_info == NULL)
return -EINVAL;
dep_sclk_table = table_info->vdd_dep_on_sclk;
min_vddc = dep_sclk_table->entries[0].vddc;
if (voltage < min_vddc || voltage > 2000) {
pr_info("OD voltage is out of range [%d - 2000] mV\n", min_vddc);
return false;
}
if (type == PP_OD_EDIT_SCLK_VDDC_TABLE) {
if (data->vbios_boot_state.sclk_bootup_value > clk ||
hwmgr->platform_descriptor.overdriveLimit.engineClock < clk) {
pr_info("OD engine clock is out of range [%d - %d] MHz\n",
data->vbios_boot_state.sclk_bootup_value,
hwmgr->platform_descriptor.overdriveLimit.engineClock / 100);
return false;
}
} else if (type == PP_OD_EDIT_MCLK_VDDC_TABLE) {
if (data->vbios_boot_state.mclk_bootup_value > clk ||
hwmgr->platform_descriptor.overdriveLimit.memoryClock < clk) {
pr_info("OD memory clock is out of range [%d - %d] MHz\n",
data->vbios_boot_state.mclk_bootup_value/100,
hwmgr->platform_descriptor.overdriveLimit.memoryClock / 100);
return false;
}
} else {
return false;
}
return true;
}
static void smu7_check_dpm_table_updated(struct pp_hwmgr *hwmgr)
{
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
struct smu7_odn_dpm_table *odn_table = &(data->odn_dpm_table);
struct phm_ppt_v1_information *table_info =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
uint32_t i;
struct phm_ppt_v1_clock_voltage_dependency_table *dep_table;
struct phm_ppt_v1_clock_voltage_dependency_table *odn_dep_table;
if (table_info == NULL)
return;
for (i=0; i<data->dpm_table.sclk_table.count; i++) {
if (odn_table->odn_core_clock_dpm_levels.entries[i].clock !=
data->dpm_table.sclk_table.dpm_levels[i].value) {
data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
break;
}
}
for (i=0; i<data->dpm_table.sclk_table.count; i++) {
if (odn_table->odn_memory_clock_dpm_levels.entries[i].clock !=
data->dpm_table.mclk_table.dpm_levels[i].value) {
data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK;
break;
}
}
dep_table = table_info->vdd_dep_on_mclk;
odn_dep_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)&(odn_table->vdd_dependency_on_mclk);
for (i=0; i<dep_table->count; i++) {
if (dep_table->entries[i].vddc != odn_dep_table->entries[i].vddc) {
data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC;
return;
}
}
dep_table = table_info->vdd_dep_on_sclk;
odn_dep_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)&(odn_table->vdd_dependency_on_sclk);
for (i=0; i<dep_table->count; i++) {
if (dep_table->entries[i].vddc != odn_dep_table->entries[i].vddc) {
data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC;
return;
}
}
}
static int smu7_odn_edit_dpm_table(struct pp_hwmgr *hwmgr,
enum PP_OD_DPM_TABLE_COMMAND type,
long *input, uint32_t size)
{
uint32_t i;
struct phm_odn_clock_levels *podn_dpm_table_in_backend = NULL;
struct smu7_odn_clock_voltage_dependency_table *podn_vdd_dep_in_backend = NULL;
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
uint32_t input_clk;
uint32_t input_vol;
uint32_t input_level;
PP_ASSERT_WITH_CODE(input, "NULL user input for clock and voltage",
return -EINVAL);
if (!hwmgr->od_enabled) {
pr_info("OverDrive feature not enabled\n");
return -EINVAL;
}
if (PP_OD_EDIT_SCLK_VDDC_TABLE == type) {
podn_dpm_table_in_backend = &data->odn_dpm_table.odn_core_clock_dpm_levels;
podn_vdd_dep_in_backend = &data->odn_dpm_table.vdd_dependency_on_sclk;
PP_ASSERT_WITH_CODE((podn_dpm_table_in_backend && podn_vdd_dep_in_backend),
"Failed to get ODN SCLK and Voltage tables",
return -EINVAL);
} else if (PP_OD_EDIT_MCLK_VDDC_TABLE == type) {
podn_dpm_table_in_backend = &data->odn_dpm_table.odn_memory_clock_dpm_levels;
podn_vdd_dep_in_backend = &data->odn_dpm_table.vdd_dependency_on_mclk;
PP_ASSERT_WITH_CODE((podn_dpm_table_in_backend && podn_vdd_dep_in_backend),
"Failed to get ODN MCLK and Voltage tables",
return -EINVAL);
} else if (PP_OD_RESTORE_DEFAULT_TABLE == type) {
smu7_odn_initial_default_setting(hwmgr);
return 0;
} else if (PP_OD_COMMIT_DPM_TABLE == type) {
smu7_check_dpm_table_updated(hwmgr);
return 0;
} else {
return -EINVAL;
}
for (i = 0; i < size; i += 3) {
if (i + 3 > size || input[i] >= podn_dpm_table_in_backend->num_of_pl) {
pr_info("invalid clock voltage input \n");
return 0;
}
input_level = input[i];
input_clk = input[i+1] * 100;
input_vol = input[i+2];
if (smu7_check_clk_voltage_valid(hwmgr, type, input_clk, input_vol)) {
podn_dpm_table_in_backend->entries[input_level].clock = input_clk;
podn_vdd_dep_in_backend->entries[input_level].clk = input_clk;
podn_dpm_table_in_backend->entries[input_level].vddc = input_vol;
podn_vdd_dep_in_backend->entries[input_level].vddc = input_vol;
} else {
return -EINVAL;
}
}
return 0;
}
static const struct pp_hwmgr_func smu7_hwmgr_funcs = {
.backend_init = &smu7_hwmgr_backend_init,
.backend_fini = &smu7_hwmgr_backend_fini,
......@@ -4862,6 +5025,7 @@ static const struct pp_hwmgr_func smu7_hwmgr_funcs = {
.notify_cac_buffer_info = smu7_notify_cac_buffer_info,
.get_max_high_clocks = smu7_get_max_high_clocks,
.get_thermal_temperature_range = smu7_get_thermal_temperature_range,
.odn_edit_dpm_table = smu7_odn_edit_dpm_table,
};
uint8_t smu7_get_sleep_divider_id_from_clock(uint32_t clock,
......@@ -4893,4 +5057,3 @@ int smu7_init_function_pointers(struct pp_hwmgr *hwmgr)
return ret;
}
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