From fe4c94bc67f52aba126bd8e46099f6ca2ebcfdce Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Tue, 16 Jan 2018 16:04:43 +0800 Subject: [PATCH 3225/4131] 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. Change-Id: I940324de6205ff210a26e530881131f0509b7011 Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu --- drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 165 ++++++++++++++++++++++- 1 file changed, 164 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index a64a7c2..288669a 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -4804,6 +4804,169 @@ 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; idpm_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; idpm_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; icount; 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; icount; 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, @@ -4858,6 +5021,7 @@ 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, @@ -4889,4 +5053,3 @@ int smu7_init_function_pointers(struct pp_hwmgr *hwmgr) return ret; } - -- 2.7.4