From: Jammy Zhou Date: Wed, 22 Jul 2015 02:41:30 +0000 (+0800) Subject: drm/amd/powerplay: add Carrizo dpm support X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bdecc20a986bbe527cea0775f265d1927083410e;p=linux-beck.git drm/amd/powerplay: add Carrizo dpm support This patch enables basic DPM support for Carrizo. DPM handles dynamic clock and voltage scaling. v3: delete peci sub-module v2: use cgs interface directly correct define SMU_EnabledFeatureScoreboard_SclkDpmOn Signed-off-by: Rex Zhu Signed-off-by: Jammy Zhou Reviewed-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile index ef529e0e3d70..22d383e09312 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile @@ -3,7 +3,7 @@ # It provides the hardware management services for the driver. HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \ - hardwaremanager.o pp_acpi.o + hardwaremanager.o pp_acpi.o cz_hwmgr.o AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR)) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c new file mode 100644 index 000000000000..0c4950584583 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c @@ -0,0 +1,898 @@ +/* + * 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 +#include +#include +#include "atom-types.h" +#include "atombios.h" +#include "processpptables.h" +#include "cgs_common.h" +#include "smu/smu_8_0_d.h" +#include "smumgr.h" +#include "hwmgr.h" +#include "hardwaremanager.h" +#include "cz_ppsmc.h" +#include "cz_hwmgr.h" +#include "power_state.h" + +static const unsigned long PhwCz_Magic = (unsigned long) PHM_Cz_Magic; + +static struct cz_power_state *cast_PhwCzPowerState(struct pp_hw_power_state *hw_ps) +{ + if (PhwCz_Magic != hw_ps->magic) + return NULL; + + return (struct cz_power_state *)hw_ps; +} + +static uint32_t cz_get_sclk_level(struct pp_hwmgr *hwmgr, + uint32_t clock, uint32_t msg) +{ + int i = 0; + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + + switch (msg) { + case PPSMC_MSG_SetSclkSoftMin: + case PPSMC_MSG_SetSclkHardMin: + for (i = 0; i < (int)table->count; i++) { + if (clock <= table->entries[i].clk) + break; + } + break; + + case PPSMC_MSG_SetSclkSoftMax: + case PPSMC_MSG_SetSclkHardMax: + for (i = table->count - 1; i >= 0; i--) { + if (clock >= table->entries[i].clk) + break; + } + break; + + default: + break; + } + return i; +} + +static uint32_t cz_get_max_sclk_level(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + if (cz_hwmgr->max_sclk_level == 0) { + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_GetMaxSclkLevel); + cz_hwmgr->max_sclk_level = smum_get_argument(hwmgr->smumgr) + 1; + } + + return cz_hwmgr->max_sclk_level; +} + +static int cz_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + uint32_t i; + + cz_hwmgr->gfx_ramp_step = 256*25/100; + + cz_hwmgr->gfx_ramp_delay = 1; /* by default, we delay 1us */ + + for (i = 0; i < CZ_MAX_HARDWARE_POWERLEVELS; i++) + cz_hwmgr->activity_target[i] = CZ_AT_DFLT; + + cz_hwmgr->mgcg_cgtt_local0 = 0x00000000; + cz_hwmgr->mgcg_cgtt_local1 = 0x00000000; + + cz_hwmgr->clock_slow_down_freq = 25000; + + cz_hwmgr->skip_clock_slow_down = 1; + + cz_hwmgr->enable_nb_ps_policy = 1; /* disable until UNB is ready, Enabled */ + + cz_hwmgr->voltage_drop_in_dce_power_gating = 0; /* disable until fully verified */ + + cz_hwmgr->voting_rights_clients = 0x00C00033; + + cz_hwmgr->static_screen_threshold = 8; + + cz_hwmgr->ddi_power_gating_disabled = 0; + + cz_hwmgr->bapm_enabled = 1; + + cz_hwmgr->voltage_drop_threshold = 0; + + cz_hwmgr->gfx_power_gating_threshold = 500; + + cz_hwmgr->vce_slow_sclk_threshold = 20000; + + cz_hwmgr->dce_slow_sclk_threshold = 30000; + + cz_hwmgr->disable_driver_thermal_policy = 1; + + cz_hwmgr->disable_nb_ps3_in_battery = 0; + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_ABM); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_NonABMSupportInPPLib); + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_SclkDeepSleep); + + phm_cap_unset(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicM3Arbiter); + + cz_hwmgr->override_dynamic_mgpg = 1; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicPatchPowerState); + + cz_hwmgr->thermal_auto_throttling_treshold = 0; + + cz_hwmgr->tdr_clock = 0; + + cz_hwmgr->disable_gfx_power_gating_in_uvd = 0; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DynamicUVDState); + + cz_hwmgr->is_nb_dpm_enabled_by_driver = 1; + + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_DisableVoltageIsland); + + return 0; +} + +static uint32_t cz_convert_8Bit_index_to_voltage( + struct pp_hwmgr *hwmgr, uint16_t voltage) +{ + return 6200 - (voltage * 25); +} + +static int cz_construct_max_power_limits_table(struct pp_hwmgr *hwmgr, + struct phm_clock_and_voltage_limits *table) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)hwmgr->backend; + struct cz_sys_info *sys_info = &cz_hwmgr->sys_info; + struct phm_clock_voltage_dependency_table *dep_table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + + if (dep_table->count > 0) { + table->sclk = dep_table->entries[dep_table->count-1].clk; + table->vddc = cz_convert_8Bit_index_to_voltage(hwmgr, + (uint16_t)dep_table->entries[dep_table->count-1].v); + } + table->mclk = sys_info->nbp_memory_clock[0]; + return 0; +} + +static int cz_init_dynamic_state_adjustment_rule_settings( + struct pp_hwmgr *hwmgr, + ATOM_CLK_VOLT_CAPABILITY *disp_voltage_table) +{ + uint32_t table_size = + sizeof(struct phm_clock_voltage_dependency_table) + + (7 * sizeof(struct phm_clock_voltage_dependency_record)); + + struct phm_clock_voltage_dependency_table *table_clk_vlt = + kzalloc(table_size, GFP_KERNEL); + + if (NULL == table_clk_vlt) { + printk(KERN_ERR "[ powerplay ] Can not allocate memory!\n"); + return -ENOMEM; + } + + table_clk_vlt->count = 8; + table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_0; + table_clk_vlt->entries[0].v = 0; + table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_1; + table_clk_vlt->entries[1].v = 1; + table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_2; + table_clk_vlt->entries[2].v = 2; + table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_3; + table_clk_vlt->entries[3].v = 3; + table_clk_vlt->entries[4].clk = PP_DAL_POWERLEVEL_4; + table_clk_vlt->entries[4].v = 4; + table_clk_vlt->entries[5].clk = PP_DAL_POWERLEVEL_5; + table_clk_vlt->entries[5].v = 5; + table_clk_vlt->entries[6].clk = PP_DAL_POWERLEVEL_6; + table_clk_vlt->entries[6].v = 6; + table_clk_vlt->entries[7].clk = PP_DAL_POWERLEVEL_7; + table_clk_vlt->entries[7].v = 7; + hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt; + + return 0; +} + +static int cz_get_system_info_data(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)hwmgr->backend; + ATOM_INTEGRATED_SYSTEM_INFO_V1_9 *info = NULL; + uint32_t i; + int result = 0; + uint8_t frev, crev; + uint16_t size; + + info = (ATOM_INTEGRATED_SYSTEM_INFO_V1_9 *) cgs_atom_get_data_table( + hwmgr->device, + GetIndexIntoMasterTable(DATA, IntegratedSystemInfo), + &size, &frev, &crev); + + if (crev != 9) { + printk(KERN_ERR "[ powerplay ] Unsupported IGP table: %d %d\n", frev, crev); + return -EINVAL; + } + + if (info == NULL) { + printk(KERN_ERR "[ powerplay ] Could not retrieve the Integrated System Info Table!\n"); + return -EINVAL; + } + + cz_hwmgr->sys_info.bootup_uma_clock = + le32_to_cpu(info->ulBootUpUMAClock); + + cz_hwmgr->sys_info.bootup_engine_clock = + le32_to_cpu(info->ulBootUpEngineClock); + + cz_hwmgr->sys_info.dentist_vco_freq = + le32_to_cpu(info->ulDentistVCOFreq); + + cz_hwmgr->sys_info.system_config = + le32_to_cpu(info->ulSystemConfig); + + cz_hwmgr->sys_info.bootup_nb_voltage_index = + le16_to_cpu(info->usBootUpNBVoltage); + + cz_hwmgr->sys_info.htc_hyst_lmt = + (info->ucHtcHystLmt == 0) ? 5 : info->ucHtcHystLmt; + + cz_hwmgr->sys_info.htc_tmp_lmt = + (info->ucHtcTmpLmt == 0) ? 203 : info->ucHtcTmpLmt; + + if (cz_hwmgr->sys_info.htc_tmp_lmt <= + cz_hwmgr->sys_info.htc_hyst_lmt) { + printk(KERN_ERR "[ powerplay ] The htcTmpLmt should be larger than htcHystLmt.\n"); + return -EINVAL; + } + + cz_hwmgr->sys_info.nb_dpm_enable = + cz_hwmgr->enable_nb_ps_policy && + (le32_to_cpu(info->ulSystemConfig) >> 3 & 0x1); + + for (i = 0; i < CZ_NUM_NBPSTATES; i++) { + if (i < CZ_NUM_NBPMEMORYCLOCK) { + cz_hwmgr->sys_info.nbp_memory_clock[i] = + le32_to_cpu(info->ulNbpStateMemclkFreq[i]); + } + cz_hwmgr->sys_info.nbp_n_clock[i] = + le32_to_cpu(info->ulNbpStateNClkFreq[i]); + } + + for (i = 0; i < MAX_DISPLAY_CLOCK_LEVEL; i++) { + cz_hwmgr->sys_info.display_clock[i] = + le32_to_cpu(info->sDispClkVoltageMapping[i].ulMaximumSupportedCLK); + } + + /* Here use 4 levels, make sure not exceed */ + for (i = 0; i < CZ_NUM_NBPSTATES; i++) { + cz_hwmgr->sys_info.nbp_voltage_index[i] = + le16_to_cpu(info->usNBPStateVoltage[i]); + } + + if (!cz_hwmgr->sys_info.nb_dpm_enable) { + for (i = 1; i < CZ_NUM_NBPSTATES; i++) { + if (i < CZ_NUM_NBPMEMORYCLOCK) { + cz_hwmgr->sys_info.nbp_memory_clock[i] = + cz_hwmgr->sys_info.nbp_memory_clock[0]; + } + cz_hwmgr->sys_info.nbp_n_clock[i] = + cz_hwmgr->sys_info.nbp_n_clock[0]; + cz_hwmgr->sys_info.nbp_voltage_index[i] = + cz_hwmgr->sys_info.nbp_voltage_index[0]; + } + } + + if (le32_to_cpu(info->ulGPUCapInfo) & + SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS) { + phm_cap_set(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_EnableDFSBypass); + } + + cz_hwmgr->sys_info.uma_channel_number = info->ucUMAChannelNumber; + + cz_construct_max_power_limits_table (hwmgr, + &hwmgr->dyn_state.max_clock_voltage_on_ac); + + cz_init_dynamic_state_adjustment_rule_settings(hwmgr, + &info->sDISPCLK_Voltage[0]); + + return result; +} + +static int cz_construct_boot_state(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + cz_hwmgr->boot_power_level.engineClock = + cz_hwmgr->sys_info.bootup_engine_clock; + + cz_hwmgr->boot_power_level.vddcIndex = + (uint8_t)cz_hwmgr->sys_info.bootup_nb_voltage_index; + + cz_hwmgr->boot_power_level.dsDividerIndex = 0; + + cz_hwmgr->boot_power_level.ssDividerIndex = 0; + + cz_hwmgr->boot_power_level.allowGnbSlow = 1; + + cz_hwmgr->boot_power_level.forceNBPstate = 0; + + cz_hwmgr->boot_power_level.hysteresis_up = 0; + + cz_hwmgr->boot_power_level.numSIMDToPowerDown = 0; + + cz_hwmgr->boot_power_level.display_wm = 0; + + cz_hwmgr->boot_power_level.vce_wm = 0; + + return 0; +} + +static int cz_tf_reset_active_process_mask(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + return 0; +} + +static int cz_tf_upload_pptable_to_smu(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + return 0; +} + +static int cz_tf_init_sclk_limit(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + unsigned long clock = 0, level; + + if (NULL == table && table->count <= 0) + return -EINVAL; + + cz_hwmgr->sclk_dpm.soft_min_clk = table->entries[0].clk; + cz_hwmgr->sclk_dpm.hard_min_clk = table->entries[0].clk; + + level = cz_get_max_sclk_level(hwmgr) - 1; + + if (level < table->count) + clock = table->entries[level].clk; + else + clock = table->entries[table->count - 1].clk; + + cz_hwmgr->sclk_dpm.soft_max_clk = clock; + cz_hwmgr->sclk_dpm.hard_max_clk = clock; + + return 0; +} + +static int cz_tf_init_uvd_limit(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_uvd_clock_voltage_dependency_table *table = + hwmgr->dyn_state.uvd_clocl_voltage_dependency_table; + unsigned long clock = 0, level; + + if (NULL == table && table->count <= 0) + return -EINVAL; + + cz_hwmgr->uvd_dpm.soft_min_clk = 0; + cz_hwmgr->uvd_dpm.hard_min_clk = 0; + + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_GetMaxUvdLevel); + level = smum_get_argument(hwmgr->smumgr); + + if (level < table->count) + clock = table->entries[level].vclk; + else + clock = table->entries[table->count - 1].vclk; + + cz_hwmgr->uvd_dpm.soft_max_clk = clock; + cz_hwmgr->uvd_dpm.hard_max_clk = clock; + + return 0; +} + +static int cz_tf_init_vce_limit(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_vce_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vce_clocl_voltage_dependency_table; + unsigned long clock = 0, level; + + if (NULL == table && table->count <= 0) + return -EINVAL; + + cz_hwmgr->vce_dpm.soft_min_clk = 0; + cz_hwmgr->vce_dpm.hard_min_clk = 0; + + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_GetMaxEclkLevel); + level = smum_get_argument(hwmgr->smumgr); + + if (level < table->count) + clock = table->entries[level].ecclk; + else + clock = table->entries[table->count - 1].ecclk; + + cz_hwmgr->vce_dpm.soft_max_clk = clock; + cz_hwmgr->vce_dpm.hard_max_clk = clock; + + return 0; +} + +static int cz_tf_init_acp_limit(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_acp_clock_voltage_dependency_table *table = + hwmgr->dyn_state.acp_clock_voltage_dependency_table; + unsigned long clock = 0, level; + + if (NULL == table && table->count <= 0) + return -EINVAL; + + cz_hwmgr->acp_dpm.soft_min_clk = 0; + cz_hwmgr->acp_dpm.hard_min_clk = 0; + + smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_GetMaxAclkLevel); + level = smum_get_argument(hwmgr->smumgr); + + if (level < table->count) + clock = table->entries[level].acpclk; + else + clock = table->entries[table->count - 1].acpclk; + + cz_hwmgr->acp_dpm.soft_max_clk = clock; + cz_hwmgr->acp_dpm.hard_max_clk = clock; + return 0; +} + +static int cz_tf_init_power_gate_state(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + cz_hwmgr->uvd_power_gated = false; + cz_hwmgr->vce_power_gated = false; + cz_hwmgr->samu_power_gated = false; + cz_hwmgr->acp_power_gated = false; + cz_hwmgr->pgacpinit = true; + + return 0; +} + +static int cz_tf_init_sclk_threshold(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + cz_hwmgr->low_sclk_interrupt_threshold = 0; + + return 0; +} + +static struct phm_master_table_item cz_setup_asic_list[] = { + {NULL, cz_tf_reset_active_process_mask}, + {NULL, cz_tf_upload_pptable_to_smu}, + {NULL, cz_tf_init_sclk_limit}, + {NULL, cz_tf_init_uvd_limit}, + {NULL, cz_tf_init_vce_limit}, + {NULL, cz_tf_init_acp_limit}, + {NULL, cz_tf_init_power_gate_state}, + {NULL, cz_tf_init_sclk_threshold}, + {NULL, NULL} +}; + +static struct phm_master_table_header cz_setup_asic_master = { + 0, + PHM_MasterTableFlag_None, + cz_setup_asic_list +}; + +static int cz_tf_program_voting_clients(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + PHMCZ_WRITE_SMC_REGISTER(hwmgr->device, CG_FREQ_TRAN_VOTING_0, + PPCZ_VOTINGRIGHTSCLIENTS_DFLT0); + return 0; +} + +static int cz_tf_start_dpm(struct pp_hwmgr *hwmgr, void *input, void *output, + void *storage, int result) +{ + int res = 0xff; + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + unsigned long dpm_features = 0; + + cz_hwmgr->dpm_flags |= DPMFlags_SCLK_Enabled; + dpm_features |= SCLK_DPM_MASK; + + res = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_EnableAllSmuFeatures, + dpm_features); + + return res; +} + +static int cz_tf_program_bootup_state(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + cz_hwmgr->sclk_dpm.soft_min_clk = cz_hwmgr->sys_info.bootup_engine_clock; + cz_hwmgr->sclk_dpm.soft_max_clk = cz_hwmgr->sys_info.bootup_engine_clock; + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMin, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_min_clk, + PPSMC_MSG_SetSclkSoftMin)); + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMax, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_max_clk, + PPSMC_MSG_SetSclkSoftMax)); + + return 0; +} + +int cz_tf_reset_acp_boot_level(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + cz_hwmgr->acp_boot_level = 0xff; + return 0; +} + +static bool cz_dpm_check_smu_features(struct pp_hwmgr *hwmgr, + unsigned long check_feature) +{ + int result; + unsigned long features; + + result = smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_GetFeatureStatus, 0); + if (result == 0) { + features = smum_get_argument(hwmgr->smumgr); + if (features & check_feature) + return true; + } + + return result; +} + +static int cz_tf_check_for_dpm_disabled(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + if (cz_dpm_check_smu_features(hwmgr, SMU_EnabledFeatureScoreboard_SclkDpmOn)) + return PP_Result_TableImmediateExit; + return 0; +} + +static int cz_tf_enable_didt(struct pp_hwmgr *hwmgr, void *input, + void *output, void *storage, int result) +{ + /* TO DO */ + return 0; +} + +static int cz_tf_check_for_dpm_enabled(struct pp_hwmgr *hwmgr, + void *input, void *output, + void *storage, int result) +{ + if (!cz_dpm_check_smu_features(hwmgr, + SMU_EnabledFeatureScoreboard_SclkDpmOn)) + return PP_Result_TableImmediateExit; + return 0; +} + +static struct phm_master_table_item cz_disable_dpm_list[] = { + { NULL, cz_tf_check_for_dpm_enabled}, + {NULL, NULL}, +}; + + +static struct phm_master_table_header cz_disable_dpm_master = { + 0, + PHM_MasterTableFlag_None, + cz_disable_dpm_list +}; + +static struct phm_master_table_item cz_enable_dpm_list[] = { + { NULL, cz_tf_check_for_dpm_disabled }, + { NULL, cz_tf_program_voting_clients }, + { NULL, cz_tf_start_dpm}, + { NULL, cz_tf_program_bootup_state}, + { NULL, cz_tf_enable_didt }, + { NULL, cz_tf_reset_acp_boot_level }, + {NULL, NULL}, +}; + +static struct phm_master_table_header cz_enable_dpm_master = { + 0, + PHM_MasterTableFlag_None, + cz_enable_dpm_list +}; + +static int cz_hwmgr_backend_init(struct pp_hwmgr *hwmgr) +{ + int result = 0; + + result = cz_initialize_dpm_defaults(hwmgr); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] cz_initialize_dpm_defaults failed\n"); + return result; + } + + result = cz_get_system_info_data(hwmgr); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] cz_get_system_info_data failed\n"); + return result; + } + + cz_construct_boot_state(hwmgr); + + result = phm_construct_table(hwmgr, &cz_setup_asic_master, + &(hwmgr->setup_asic)); + if (result != 0) { + printk(KERN_ERR "[ powerplay ] Fail to construct setup ASIC\n"); + return result; + } + + result = phm_construct_table(hwmgr, &cz_disable_dpm_master, + &(hwmgr->disable_dynamic_state_management)); + + result = phm_construct_table(hwmgr, &cz_enable_dpm_master, + &(hwmgr->enable_dynamic_state_management)); + + return result; +} + +static int cz_hwmgr_backend_fini(struct pp_hwmgr *hwmgr) +{ + if (hwmgr != NULL || hwmgr->backend != NULL) { + kfree(hwmgr->backend); + kfree(hwmgr); + } + return 0; +} + +int cz_phm_force_dpm_highest(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + if (cz_hwmgr->sclk_dpm.soft_min_clk != + cz_hwmgr->sclk_dpm.soft_max_clk) + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMin, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_max_clk, + PPSMC_MSG_SetSclkSoftMin)); + return 0; +} + +int cz_phm_unforce_dpm_levels(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + unsigned long clock = 0, level; + + if (NULL == table && table->count <= 0) + return -EINVAL; + + cz_hwmgr->sclk_dpm.soft_min_clk = table->entries[0].clk; + cz_hwmgr->sclk_dpm.hard_min_clk = table->entries[0].clk; + + level = cz_get_max_sclk_level(hwmgr) - 1; + + if (level < table->count) + clock = table->entries[level].clk; + else + clock = table->entries[table->count - 1].clk; + + cz_hwmgr->sclk_dpm.soft_max_clk = clock; + cz_hwmgr->sclk_dpm.hard_max_clk = clock; + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMin, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_min_clk, + PPSMC_MSG_SetSclkSoftMin)); + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMax, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_max_clk, + PPSMC_MSG_SetSclkSoftMax)); + + return 0; +} + +int cz_phm_force_dpm_lowest(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + + if (cz_hwmgr->sclk_dpm.soft_min_clk != + cz_hwmgr->sclk_dpm.soft_max_clk) { + cz_hwmgr->sclk_dpm.soft_max_clk = + cz_hwmgr->sclk_dpm.soft_min_clk; + + smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, + PPSMC_MSG_SetSclkSoftMax, + cz_get_sclk_level(hwmgr, + cz_hwmgr->sclk_dpm.soft_max_clk, + PPSMC_MSG_SetSclkSoftMax)); + } + + return 0; +} + +static int cz_dpm_force_dpm_level(struct pp_hwmgr *hwmgr, + enum amd_dpm_forced_level level) +{ + int ret = 0; + + switch (level) { + case AMD_DPM_FORCED_LEVEL_HIGH: + ret = cz_phm_force_dpm_highest(hwmgr); + if (ret) + return ret; + break; + case AMD_DPM_FORCED_LEVEL_LOW: + ret = cz_phm_force_dpm_lowest(hwmgr); + if (ret) + return ret; + break; + case AMD_DPM_FORCED_LEVEL_AUTO: + ret = cz_phm_unforce_dpm_levels(hwmgr); + if (ret) + return ret; + break; + default: + break; + } + + hwmgr->dpm_level = level; + + return ret; +} + +static int cz_dpm_patch_boot_state(struct pp_hwmgr *hwmgr, + struct pp_hw_power_state *hw_ps) +{ + struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend); + struct cz_power_state *cz_ps = cast_PhwCzPowerState(hw_ps); + + cz_ps->level = 1; + cz_ps->nbps_flags = 0; + cz_ps->bapm_flags = 0; + cz_ps->levels[0] = cz_hwmgr->boot_power_level; + + return 0; +} + +static int cz_dpm_get_pp_table_entry_callback( + struct pp_hwmgr *hwmgr, + struct pp_hw_power_state *hw_ps, + unsigned int index, + const void *clock_info) +{ + struct cz_power_state *cz_ps = cast_PhwCzPowerState(hw_ps); + + const ATOM_PPLIB_CZ_CLOCK_INFO *cz_clock_info = clock_info; + + struct phm_clock_voltage_dependency_table *table = + hwmgr->dyn_state.vddc_dependency_on_sclk; + uint8_t clock_info_index = cz_clock_info->index; + + if (clock_info_index > (uint8_t)(hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1)) + clock_info_index = (uint8_t)(hwmgr->platform_descriptor.hardwareActivityPerformanceLevels - 1); + + cz_ps->levels[index].engineClock = table->entries[clock_info_index].clk; + cz_ps->levels[index].vddcIndex = (uint8_t)table->entries[clock_info_index].v; + + cz_ps->level = index + 1; + + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) { + cz_ps->levels[index].dsDividerIndex = 5; + cz_ps->levels[index].ssDividerIndex = 5; + } + + return 0; +} + +static int cz_dpm_get_num_of_pp_table_entries(struct pp_hwmgr *hwmgr) +{ + int result; + unsigned long ret = 0; + + result = pp_tables_get_num_of_entries(hwmgr, &ret); + + return result ? 0 : ret; +} + +static int cz_dpm_get_pp_table_entry(struct pp_hwmgr *hwmgr, + unsigned long entry, struct pp_power_state *ps) +{ + int result; + struct cz_power_state *cz_ps; + + ps->hardware.magic = PhwCz_Magic; + + cz_ps = cast_PhwCzPowerState(&(ps->hardware)); + + result = pp_tables_get_entry(hwmgr, entry, ps, + cz_dpm_get_pp_table_entry_callback); + + cz_ps->uvd_clocks.vclk = ps->uvd_clocks.VCLK; + cz_ps->uvd_clocks.dclk = ps->uvd_clocks.DCLK; + + return result; +} + +int cz_get_power_state_size(struct pp_hwmgr *hwmgr) +{ + return sizeof(struct cz_power_state); +} + +static const struct pp_hwmgr_func cz_hwmgr_funcs = { + .backend_init = cz_hwmgr_backend_init, + .backend_fini = cz_hwmgr_backend_fini, + .asic_setup = NULL, + .force_dpm_level = cz_dpm_force_dpm_level, + .get_power_state_size = cz_get_power_state_size, + .patch_boot_state = cz_dpm_patch_boot_state, + .get_pp_table_entry = cz_dpm_get_pp_table_entry, + .get_num_of_pp_table_entries = cz_dpm_get_num_of_pp_table_entries, +}; + +int cz_hwmgr_init(struct pp_hwmgr *hwmgr) +{ + struct cz_hwmgr *cz_hwmgr; + int ret = 0; + + cz_hwmgr = kzalloc(sizeof(struct cz_hwmgr), GFP_KERNEL); + if (cz_hwmgr == NULL) + return -ENOMEM; + + hwmgr->backend = cz_hwmgr; + hwmgr->hwmgr_func = &cz_hwmgr_funcs; + hwmgr->pptable_func = &pptable_funcs; + return ret; +} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.h new file mode 100644 index 000000000000..05849fdfe7c2 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.h @@ -0,0 +1,309 @@ +/* + * 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. + * + */ + +#ifndef _CZ_HWMGR_H_ +#define _CZ_HWMGR_H_ + +#include "cgs_common.h" + +#define CZ_NUM_NBPSTATES 4 +#define CZ_NUM_NBPMEMORYCLOCK 2 +#define MAX_DISPLAY_CLOCK_LEVEL 8 +#define CZ_AT_DFLT 30 +#define CZ_MAX_HARDWARE_POWERLEVELS 8 +#define PPCZ_VOTINGRIGHTSCLIENTS_DFLT0 0x3FFFC102 + +/* Carrizo device IDs */ +#define DEVICE_ID_CZ_9870 0x9870 +#define DEVICE_ID_CZ_9874 0x9874 +#define DEVICE_ID_CZ_9875 0x9875 +#define DEVICE_ID_CZ_9876 0x9876 +#define DEVICE_ID_CZ_9877 0x9877 + +#define PHMCZ_WRITE_SMC_REGISTER(device, reg, value) \ + cgs_write_ind_register(device, CGS_IND_REG__SMC, ix##reg, value) + +struct cz_dpm_entry { + uint32_t soft_min_clk; + uint32_t hard_min_clk; + uint32_t soft_max_clk; + uint32_t hard_max_clk; +}; + +struct cz_sys_info { + uint32_t bootup_uma_clock; + uint32_t bootup_engine_clock; + uint32_t dentist_vco_freq; + uint32_t nb_dpm_enable; + uint32_t nbp_memory_clock[CZ_NUM_NBPMEMORYCLOCK]; + uint32_t nbp_n_clock[CZ_NUM_NBPSTATES]; + uint16_t nbp_voltage_index[CZ_NUM_NBPSTATES]; + uint32_t display_clock[MAX_DISPLAY_CLOCK_LEVEL]; + uint16_t bootup_nb_voltage_index; + uint8_t htc_tmp_lmt; + uint8_t htc_hyst_lmt; + uint32_t system_config; + uint32_t uma_channel_number; +}; + +#define MAX_DISPLAYPHY_IDS 0x8 +#define DISPLAYPHY_LANEMASK 0xF +#define UNKNOWN_TRANSMITTER_PHY_ID (-1) + +#define DISPLAYPHY_PHYID_SHIFT 24 +#define DISPLAYPHY_LANESELECT_SHIFT 16 + +#define DISPLAYPHY_RX_SELECT 0x1 +#define DISPLAYPHY_TX_SELECT 0x2 +#define DISPLAYPHY_CORE_SELECT 0x4 + +#define DDI_POWERGATING_ARG(phyID, lanemask, rx, tx, core) \ + (((uint32_t)(phyID))<power_source = PP_PowerSource_AC; switch (hwmgr->chip_family) { + case AMD_FAMILY_CZ: + cz_hwmgr_init(hwmgr); + break; default: return -EINVAL; }