--- /dev/null
+/*
+ * Copyright 2014 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 <linux/seq_file.h>
+#include "drmP.h"
+#include "amdgpu.h"
+#include "amdgpu_pm.h"
+#include "amdgpu_atombios.h"
+#include "vid.h"
+#include "vi_dpm.h"
+#include "amdgpu_dpm.h"
+#include "cz_dpm.h"
+#include "cz_ppsmc.h"
+#include "atom.h"
+
+#include "smu/smu_8_0_d.h"
+#include "smu/smu_8_0_sh_mask.h"
+#include "gca/gfx_8_0_d.h"
+#include "gca/gfx_8_0_sh_mask.h"
+#include "gmc/gmc_8_1_d.h"
+#include "bif/bif_5_1_d.h"
+#include "gfx_v8_0.h"
+
+static void cz_dpm_powergate_uvd(struct amdgpu_device *adev, bool gate);
+static void cz_dpm_powergate_vce(struct amdgpu_device *adev, bool gate);
+
+static struct cz_ps *cz_get_ps(struct amdgpu_ps *rps)
+{
+ struct cz_ps *ps = rps->ps_priv;
+
+ return ps;
+}
+
+static struct cz_power_info *cz_get_pi(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = adev->pm.dpm.priv;
+
+ return pi;
+}
+
+static uint16_t cz_convert_8bit_index_to_voltage(struct amdgpu_device *adev,
+ uint16_t voltage)
+{
+ uint16_t tmp = 6200 - voltage * 25;
+
+ return tmp;
+}
+
+static void cz_construct_max_power_limits_table(struct amdgpu_device *adev,
+ struct amdgpu_clock_and_voltage_limits *table)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_clock_voltage_dependency_table *dep_table =
+ &adev->pm.dpm.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(adev,
+ dep_table->entries[dep_table->count - 1].v);
+ }
+
+ table->mclk = pi->sys_info.nbp_memory_clock[0];
+
+}
+
+union igp_info {
+ struct _ATOM_INTEGRATED_SYSTEM_INFO info;
+ struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
+ struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
+ struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_9 info_9;
+};
+
+static int cz_parse_sys_info_table(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_mode_info *mode_info = &adev->mode_info;
+ int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
+ union igp_info *igp_info;
+ u8 frev, crev;
+ u16 data_offset;
+ int i = 0;
+
+ if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset)) {
+ igp_info = (union igp_info *)(mode_info->atom_context->bios +
+ data_offset);
+
+ if (crev != 9) {
+ DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
+ return -EINVAL;
+ }
+ pi->sys_info.bootup_sclk =
+ le32_to_cpu(igp_info->info_9.ulBootUpEngineClock);
+ pi->sys_info.bootup_uma_clk =
+ le32_to_cpu(igp_info->info_9.ulBootUpUMAClock);
+ pi->sys_info.dentist_vco_freq =
+ le32_to_cpu(igp_info->info_9.ulDentistVCOFreq);
+ pi->sys_info.bootup_nb_voltage_index =
+ le16_to_cpu(igp_info->info_9.usBootUpNBVoltage);
+
+ if (igp_info->info_9.ucHtcTmpLmt == 0)
+ pi->sys_info.htc_tmp_lmt = 203;
+ else
+ pi->sys_info.htc_tmp_lmt = igp_info->info_9.ucHtcTmpLmt;
+
+ if (igp_info->info_9.ucHtcHystLmt == 0)
+ pi->sys_info.htc_hyst_lmt = 5;
+ else
+ pi->sys_info.htc_hyst_lmt = igp_info->info_9.ucHtcHystLmt;
+
+ if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
+ DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
+ return -EINVAL;
+ }
+
+ if (le32_to_cpu(igp_info->info_9.ulSystemConfig) & (1 << 3) &&
+ pi->enable_nb_ps_policy)
+ pi->sys_info.nb_dpm_enable = true;
+ else
+ pi->sys_info.nb_dpm_enable = false;
+
+ for (i = 0; i < CZ_NUM_NBPSTATES; i++) {
+ if (i < CZ_NUM_NBPMEMORY_CLOCK)
+ pi->sys_info.nbp_memory_clock[i] =
+ le32_to_cpu(igp_info->info_9.ulNbpStateMemclkFreq[i]);
+ pi->sys_info.nbp_n_clock[i] =
+ le32_to_cpu(igp_info->info_9.ulNbpStateNClkFreq[i]);
+ }
+
+ for (i = 0; i < CZ_MAX_DISPLAY_CLOCK_LEVEL; i++)
+ pi->sys_info.display_clock[i] =
+ le32_to_cpu(igp_info->info_9.sDispClkVoltageMapping[i].ulMaximumSupportedCLK);
+
+ for (i = 0; i < CZ_NUM_NBPSTATES; i++)
+ pi->sys_info.nbp_voltage_index[i] =
+ le32_to_cpu(igp_info->info_9.usNBPStateVoltage[i]);
+
+ if (le32_to_cpu(igp_info->info_9.ulGPUCapInfo) &
+ SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS)
+ pi->caps_enable_dfs_bypass = true;
+
+ pi->sys_info.uma_channel_number =
+ igp_info->info_9.ucUMAChannelNumber;
+
+ cz_construct_max_power_limits_table(adev,
+ &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
+ }
+
+ return 0;
+}
+
+static void cz_patch_voltage_values(struct amdgpu_device *adev)
+{
+ int i;
+ struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
+ &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
+ struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
+ &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
+ struct amdgpu_clock_voltage_dependency_table *acp_table =
+ &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
+
+ if (uvd_table->count) {
+ for (i = 0; i < uvd_table->count; i++)
+ uvd_table->entries[i].v =
+ cz_convert_8bit_index_to_voltage(adev,
+ uvd_table->entries[i].v);
+ }
+
+ if (vce_table->count) {
+ for (i = 0; i < vce_table->count; i++)
+ vce_table->entries[i].v =
+ cz_convert_8bit_index_to_voltage(adev,
+ vce_table->entries[i].v);
+ }
+
+ if (acp_table->count) {
+ for (i = 0; i < acp_table->count; i++)
+ acp_table->entries[i].v =
+ cz_convert_8bit_index_to_voltage(adev,
+ acp_table->entries[i].v);
+ }
+
+}
+
+static void cz_construct_boot_state(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
+ pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
+ pi->boot_pl.ds_divider_index = 0;
+ pi->boot_pl.ss_divider_index = 0;
+ pi->boot_pl.allow_gnb_slow = 1;
+ pi->boot_pl.force_nbp_state = 0;
+ pi->boot_pl.display_wm = 0;
+ pi->boot_pl.vce_wm = 0;
+
+}
+
+static void cz_patch_boot_state(struct amdgpu_device *adev,
+ struct cz_ps *ps)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ ps->num_levels = 1;
+ ps->levels[0] = pi->boot_pl;
+}
+
+union pplib_clock_info {
+ struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
+ struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
+ struct _ATOM_PPLIB_CZ_CLOCK_INFO carrizo;
+};
+
+static void cz_parse_pplib_clock_info(struct amdgpu_device *adev,
+ struct amdgpu_ps *rps, int index,
+ union pplib_clock_info *clock_info)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct cz_ps *ps = cz_get_ps(rps);
+ struct cz_pl *pl = &ps->levels[index];
+ struct amdgpu_clock_voltage_dependency_table *table =
+ &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
+
+ pl->sclk = table->entries[clock_info->carrizo.index].clk;
+ pl->vddc_index = table->entries[clock_info->carrizo.index].v;
+
+ ps->num_levels = index + 1;
+
+ if (pi->caps_sclk_ds) {
+ pl->ds_divider_index = 5;
+ pl->ss_divider_index = 5;
+ }
+
+}
+
+static void cz_parse_pplib_non_clock_info(struct amdgpu_device *adev,
+ struct amdgpu_ps *rps,
+ struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
+ u8 table_rev)
+{
+ struct cz_ps *ps = cz_get_ps(rps);
+
+ rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
+ rps->class = le16_to_cpu(non_clock_info->usClassification);
+ rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
+
+ if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
+ rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
+ rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
+ } else {
+ rps->vclk = 0;
+ rps->dclk = 0;
+ }
+
+ if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
+ adev->pm.dpm.boot_ps = rps;
+ cz_patch_boot_state(adev, ps);
+ }
+ if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
+ adev->pm.dpm.uvd_ps = rps;
+
+}
+
+union power_info {
+ struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
+ struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
+ struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
+ struct _ATOM_PPLIB_POWERPLAYTABLE4 pplib4;
+ struct _ATOM_PPLIB_POWERPLAYTABLE5 pplib5;
+};
+
+union pplib_power_state {
+ struct _ATOM_PPLIB_STATE v1;
+ struct _ATOM_PPLIB_STATE_V2 v2;
+};
+
+static int cz_parse_power_table(struct amdgpu_device *adev)
+{
+ struct amdgpu_mode_info *mode_info = &adev->mode_info;
+ struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
+ union pplib_power_state *power_state;
+ int i, j, k, non_clock_array_index, clock_array_index;
+ union pplib_clock_info *clock_info;
+ struct _StateArray *state_array;
+ struct _ClockInfoArray *clock_info_array;
+ struct _NonClockInfoArray *non_clock_info_array;
+ union power_info *power_info;
+ int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
+ u16 data_offset;
+ u8 frev, crev;
+ u8 *power_state_offset;
+ struct cz_ps *ps;
+
+ if (!amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset))
+ return -EINVAL;
+ power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
+
+ state_array = (struct _StateArray *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib.usStateArrayOffset));
+ clock_info_array = (struct _ClockInfoArray *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
+ non_clock_info_array = (struct _NonClockInfoArray *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
+
+ adev->pm.dpm.ps = kzalloc(sizeof(struct amdgpu_ps) *
+ state_array->ucNumEntries, GFP_KERNEL);
+
+ if (!adev->pm.dpm.ps)
+ return -ENOMEM;
+
+ power_state_offset = (u8 *)state_array->states;
+ adev->pm.dpm.platform_caps =
+ le32_to_cpu(power_info->pplib.ulPlatformCaps);
+ adev->pm.dpm.backbias_response_time =
+ le16_to_cpu(power_info->pplib.usBackbiasTime);
+ adev->pm.dpm.voltage_response_time =
+ le16_to_cpu(power_info->pplib.usVoltageTime);
+
+ for (i = 0; i < state_array->ucNumEntries; i++) {
+ power_state = (union pplib_power_state *)power_state_offset;
+ non_clock_array_index = power_state->v2.nonClockInfoIndex;
+ non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
+ &non_clock_info_array->nonClockInfo[non_clock_array_index];
+
+ ps = kzalloc(sizeof(struct cz_ps), GFP_KERNEL);
+ if (ps == NULL) {
+ kfree(adev->pm.dpm.ps);
+ return -ENOMEM;
+ }
+
+ adev->pm.dpm.ps[i].ps_priv = ps;
+ k = 0;
+ for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
+ clock_array_index = power_state->v2.clockInfoIndex[j];
+ if (clock_array_index >= clock_info_array->ucNumEntries)
+ continue;
+ if (k >= CZ_MAX_HARDWARE_POWERLEVELS)
+ break;
+ clock_info = (union pplib_clock_info *)
+ &clock_info_array->clockInfo[clock_array_index *
+ clock_info_array->ucEntrySize];
+ cz_parse_pplib_clock_info(adev, &adev->pm.dpm.ps[i],
+ k, clock_info);
+ k++;
+ }
+ cz_parse_pplib_non_clock_info(adev, &adev->pm.dpm.ps[i],
+ non_clock_info,
+ non_clock_info_array->ucEntrySize);
+ power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
+ }
+ adev->pm.dpm.num_ps = state_array->ucNumEntries;
+
+ return 0;
+}
+
+static int cz_process_firmware_header(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ u32 tmp;
+ int ret;
+
+ ret = cz_read_smc_sram_dword(adev, SMU8_FIRMWARE_HEADER_LOCATION +
+ offsetof(struct SMU8_Firmware_Header,
+ DpmTable),
+ &tmp, pi->sram_end);
+
+ if (ret == 0)
+ pi->dpm_table_start = tmp;
+
+ return ret;
+}
+
+static int cz_dpm_init(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi;
+ int ret, i;
+
+ pi = kzalloc(sizeof(struct cz_power_info), GFP_KERNEL);
+ if (NULL == pi)
+ return -ENOMEM;
+
+ adev->pm.dpm.priv = pi;
+
+ ret = amdgpu_get_platform_caps(adev);
+ if (ret)
+ return ret;
+
+ ret = amdgpu_parse_extended_power_table(adev);
+ if (ret)
+ return ret;
+
+ pi->sram_end = SMC_RAM_END;
+
+ /* set up DPM defaults */
+ for (i = 0; i < CZ_MAX_HARDWARE_POWERLEVELS; i++)
+ pi->active_target[i] = CZ_AT_DFLT;
+
+ pi->mgcg_cgtt_local0 = 0x0;
+ pi->mgcg_cgtt_local1 = 0x0;
+ pi->clock_slow_down_step = 25000;
+ pi->skip_clock_slow_down = 1;
+ pi->enable_nb_ps_policy = 0;
+ pi->caps_power_containment = true;
+ pi->caps_cac = true;
+ pi->didt_enabled = false;
+ if (pi->didt_enabled) {
+ pi->caps_sq_ramping = true;
+ pi->caps_db_ramping = true;
+ pi->caps_td_ramping = true;
+ pi->caps_tcp_ramping = true;
+ }
+ pi->caps_sclk_ds = true;
+ pi->voting_clients = 0x00c00033;
+ pi->auto_thermal_throttling_enabled = true;
+ pi->bapm_enabled = false;
+ pi->disable_nb_ps3_in_battery = false;
+ pi->voltage_drop_threshold = 0;
+ pi->caps_sclk_throttle_low_notification = false;
+ pi->gfx_pg_threshold = 500;
+ pi->caps_fps = true;
+ /* uvd */
+ pi->caps_uvd_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_UVD) ? true : false;
+ pi->caps_uvd_dpm = true;
+ /* vce */
+ pi->caps_vce_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_VCE) ? true : false;
+ pi->caps_vce_dpm = true;
+ /* acp */
+ pi->caps_acp_pg = (adev->pg_flags & AMDGPU_PG_SUPPORT_ACP) ? true : false;
+ pi->caps_acp_dpm = true;
+
+ pi->caps_stable_power_state = false;
+ pi->nb_dpm_enabled_by_driver = true;
+ pi->nb_dpm_enabled = false;
+ pi->caps_voltage_island = false;
+ /* flags which indicate need to upload pptable */
+ pi->need_pptable_upload = true;
+
+ ret = cz_parse_sys_info_table(adev);
+ if (ret)
+ return ret;
+
+ cz_patch_voltage_values(adev);
+ cz_construct_boot_state(adev);
+
+ ret = cz_parse_power_table(adev);
+ if (ret)
+ return ret;
+
+ ret = cz_process_firmware_header(adev);
+ if (ret)
+ return ret;
+
+ pi->dpm_enabled = true;
+ pi->uvd_dynamic_pg = false;
+
+ return 0;
+}
+
+static void cz_dpm_fini(struct amdgpu_device *adev)
+{
+ int i;
+
+ for (i = 0; i < adev->pm.dpm.num_ps; i++)
+ kfree(adev->pm.dpm.ps[i].ps_priv);
+
+ kfree(adev->pm.dpm.ps);
+ kfree(adev->pm.dpm.priv);
+ amdgpu_free_extended_power_table(adev);
+}
+
+#define ixSMUSVI_NB_CURRENTVID 0xD8230044
+#define CURRENT_NB_VID_MASK 0xff000000
+#define CURRENT_NB_VID__SHIFT 24
+#define ixSMUSVI_GFX_CURRENTVID 0xD8230048
+#define CURRENT_GFX_VID_MASK 0xff000000
+#define CURRENT_GFX_VID__SHIFT 24
+
+static void
+cz_dpm_debugfs_print_current_performance_level(struct amdgpu_device *adev,
+ struct seq_file *m)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_clock_voltage_dependency_table *table =
+ &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
+ struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
+ &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
+ struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
+ &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
+ u32 sclk_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX),
+ TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX);
+ u32 uvd_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
+ TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX);
+ u32 vce_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2),
+ TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX);
+ u32 sclk, vclk, dclk, ecclk, tmp;
+ u16 vddnb, vddgfx;
+
+ if (sclk_index >= NUM_SCLK_LEVELS) {
+ seq_printf(m, "invalid sclk dpm profile %d\n", sclk_index);
+ } else {
+ sclk = table->entries[sclk_index].clk;
+ seq_printf(m, "%u sclk: %u\n", sclk_index, sclk);
+ }
+
+ tmp = (RREG32_SMC(ixSMUSVI_NB_CURRENTVID) &
+ CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT;
+ vddnb = cz_convert_8bit_index_to_voltage(adev, (u16)tmp);
+ tmp = (RREG32_SMC(ixSMUSVI_GFX_CURRENTVID) &
+ CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT;
+ vddgfx = cz_convert_8bit_index_to_voltage(adev, (u16)tmp);
+ seq_printf(m, "vddnb: %u vddgfx: %u\n", vddnb, vddgfx);
+
+ seq_printf(m, "uvd %sabled\n", pi->uvd_power_gated ? "dis" : "en");
+ if (!pi->uvd_power_gated) {
+ if (uvd_index >= CZ_MAX_HARDWARE_POWERLEVELS) {
+ seq_printf(m, "invalid uvd dpm level %d\n", uvd_index);
+ } else {
+ vclk = uvd_table->entries[uvd_index].vclk;
+ dclk = uvd_table->entries[uvd_index].dclk;
+ seq_printf(m, "%u uvd vclk: %u dclk: %u\n", uvd_index, vclk, dclk);
+ }
+ }
+
+ seq_printf(m, "vce %sabled\n", pi->vce_power_gated ? "dis" : "en");
+ if (!pi->vce_power_gated) {
+ if (vce_index >= CZ_MAX_HARDWARE_POWERLEVELS) {
+ seq_printf(m, "invalid vce dpm level %d\n", vce_index);
+ } else {
+ ecclk = vce_table->entries[vce_index].ecclk;
+ seq_printf(m, "%u vce ecclk: %u\n", vce_index, ecclk);
+ }
+ }
+}
+
+static void cz_dpm_print_power_state(struct amdgpu_device *adev,
+ struct amdgpu_ps *rps)
+{
+ int i;
+ struct cz_ps *ps = cz_get_ps(rps);
+
+ amdgpu_dpm_print_class_info(rps->class, rps->class2);
+ amdgpu_dpm_print_cap_info(rps->caps);
+
+ DRM_INFO("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
+ for (i = 0; i < ps->num_levels; i++) {
+ struct cz_pl *pl = &ps->levels[i];
+
+ DRM_INFO("\t\tpower level %d sclk: %u vddc: %u\n",
+ i, pl->sclk,
+ cz_convert_8bit_index_to_voltage(adev, pl->vddc_index));
+ }
+
+ amdgpu_dpm_print_ps_status(adev, rps);
+}
+
+static void cz_dpm_set_funcs(struct amdgpu_device *adev);
+
+static int cz_dpm_early_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ cz_dpm_set_funcs(adev);
+
+ return 0;
+}
+
+
+static int cz_dpm_late_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ if (amdgpu_dpm) {
+ int ret;
+ /* init the sysfs and debugfs files late */
+ ret = amdgpu_pm_sysfs_init(adev);
+ if (ret)
+ return ret;
+
+ /* powerdown unused blocks for now */
+ cz_dpm_powergate_uvd(adev, true);
+ cz_dpm_powergate_vce(adev, true);
+ }
+
+ return 0;
+}
+
+static int cz_dpm_sw_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int ret = 0;
+ /* fix me to add thermal support TODO */
+
+ /* default to balanced state */
+ adev->pm.dpm.state = POWER_STATE_TYPE_BALANCED;
+ adev->pm.dpm.user_state = POWER_STATE_TYPE_BALANCED;
+ adev->pm.dpm.forced_level = AMDGPU_DPM_FORCED_LEVEL_AUTO;
+ adev->pm.default_sclk = adev->clock.default_sclk;
+ adev->pm.default_mclk = adev->clock.default_mclk;
+ adev->pm.current_sclk = adev->clock.default_sclk;
+ adev->pm.current_mclk = adev->clock.default_mclk;
+ adev->pm.int_thermal_type = THERMAL_TYPE_NONE;
+
+ if (amdgpu_dpm == 0)
+ return 0;
+
+ mutex_lock(&adev->pm.mutex);
+ ret = cz_dpm_init(adev);
+ if (ret)
+ goto dpm_init_failed;
+
+ adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps;
+ if (amdgpu_dpm == 1)
+ amdgpu_pm_print_power_states(adev);
+
+ mutex_unlock(&adev->pm.mutex);
+ DRM_INFO("amdgpu: dpm initialized\n");
+
+ return 0;
+
+dpm_init_failed:
+ cz_dpm_fini(adev);
+ mutex_unlock(&adev->pm.mutex);
+ DRM_ERROR("amdgpu: dpm initialization failed\n");
+
+ return ret;
+}
+
+static int cz_dpm_sw_fini(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ mutex_lock(&adev->pm.mutex);
+ amdgpu_pm_sysfs_fini(adev);
+ cz_dpm_fini(adev);
+ mutex_unlock(&adev->pm.mutex);
+
+ return 0;
+}
+
+static void cz_reset_ap_mask(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ pi->active_process_mask = 0;
+
+}
+
+static int cz_dpm_download_pptable_from_smu(struct amdgpu_device *adev,
+ void **table)
+{
+ int ret = 0;
+
+ ret = cz_smu_download_pptable(adev, table);
+
+ return ret;
+}
+
+static int cz_dpm_upload_pptable_to_smu(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct SMU8_Fusion_ClkTable *clock_table;
+ struct atom_clock_dividers dividers;
+ void *table = NULL;
+ uint8_t i = 0;
+ int ret = 0;
+
+ struct amdgpu_clock_voltage_dependency_table *vddc_table =
+ &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
+ struct amdgpu_clock_voltage_dependency_table *vddgfx_table =
+ &adev->pm.dpm.dyn_state.vddgfx_dependency_on_sclk;
+ struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table =
+ &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
+ struct amdgpu_vce_clock_voltage_dependency_table *vce_table =
+ &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
+ struct amdgpu_clock_voltage_dependency_table *acp_table =
+ &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
+
+ if (!pi->need_pptable_upload)
+ return 0;
+
+ ret = cz_dpm_download_pptable_from_smu(adev, &table);
+ if (ret) {
+ DRM_ERROR("amdgpu: Failed to get power play table from SMU!\n");
+ return -EINVAL;
+ }
+
+ clock_table = (struct SMU8_Fusion_ClkTable *)table;
+ /* patch clock table */
+ if (vddc_table->count > CZ_MAX_HARDWARE_POWERLEVELS ||
+ vddgfx_table->count > CZ_MAX_HARDWARE_POWERLEVELS ||
+ uvd_table->count > CZ_MAX_HARDWARE_POWERLEVELS ||
+ vce_table->count > CZ_MAX_HARDWARE_POWERLEVELS ||
+ acp_table->count > CZ_MAX_HARDWARE_POWERLEVELS) {
+ DRM_ERROR("amdgpu: Invalid Clock Voltage Dependency Table!\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < CZ_MAX_HARDWARE_POWERLEVELS; i++) {
+
+ /* vddc sclk */
+ clock_table->SclkBreakdownTable.ClkLevel[i].GnbVid =
+ (i < vddc_table->count) ? (uint8_t)vddc_table->entries[i].v : 0;
+ clock_table->SclkBreakdownTable.ClkLevel[i].Frequency =
+ (i < vddc_table->count) ? vddc_table->entries[i].clk : 0;
+ ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
+ clock_table->SclkBreakdownTable.ClkLevel[i].Frequency,
+ false, ÷rs);
+ if (ret)
+ return ret;
+ clock_table->SclkBreakdownTable.ClkLevel[i].DfsDid =
+ (uint8_t)dividers.post_divider;
+
+ /* vddgfx sclk */
+ clock_table->SclkBreakdownTable.ClkLevel[i].GfxVid =
+ (i < vddgfx_table->count) ? (uint8_t)vddgfx_table->entries[i].v : 0;
+
+ /* acp breakdown */
+ clock_table->AclkBreakdownTable.ClkLevel[i].GfxVid =
+ (i < acp_table->count) ? (uint8_t)acp_table->entries[i].v : 0;
+ clock_table->AclkBreakdownTable.ClkLevel[i].Frequency =
+ (i < acp_table->count) ? acp_table->entries[i].clk : 0;
+ ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
+ clock_table->SclkBreakdownTable.ClkLevel[i].Frequency,
+ false, ÷rs);
+ if (ret)
+ return ret;
+ clock_table->AclkBreakdownTable.ClkLevel[i].DfsDid =
+ (uint8_t)dividers.post_divider;
+
+ /* uvd breakdown */
+ clock_table->VclkBreakdownTable.ClkLevel[i].GfxVid =
+ (i < uvd_table->count) ? (uint8_t)uvd_table->entries[i].v : 0;
+ clock_table->VclkBreakdownTable.ClkLevel[i].Frequency =
+ (i < uvd_table->count) ? uvd_table->entries[i].vclk : 0;
+ ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
+ clock_table->VclkBreakdownTable.ClkLevel[i].Frequency,
+ false, ÷rs);
+ if (ret)
+ return ret;
+ clock_table->VclkBreakdownTable.ClkLevel[i].DfsDid =
+ (uint8_t)dividers.post_divider;
+
+ clock_table->DclkBreakdownTable.ClkLevel[i].GfxVid =
+ (i < uvd_table->count) ? (uint8_t)uvd_table->entries[i].v : 0;
+ clock_table->DclkBreakdownTable.ClkLevel[i].Frequency =
+ (i < uvd_table->count) ? uvd_table->entries[i].dclk : 0;
+ ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
+ clock_table->DclkBreakdownTable.ClkLevel[i].Frequency,
+ false, ÷rs);
+ if (ret)
+ return ret;
+ clock_table->DclkBreakdownTable.ClkLevel[i].DfsDid =
+ (uint8_t)dividers.post_divider;
+
+ /* vce breakdown */
+ clock_table->EclkBreakdownTable.ClkLevel[i].GfxVid =
+ (i < vce_table->count) ? (uint8_t)vce_table->entries[i].v : 0;
+ clock_table->EclkBreakdownTable.ClkLevel[i].Frequency =
+ (i < vce_table->count) ? vce_table->entries[i].ecclk : 0;
+ ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
+ clock_table->EclkBreakdownTable.ClkLevel[i].Frequency,
+ false, ÷rs);
+ if (ret)
+ return ret;
+ clock_table->EclkBreakdownTable.ClkLevel[i].DfsDid =
+ (uint8_t)dividers.post_divider;
+ }
+
+ /* its time to upload to SMU */
+ ret = cz_smu_upload_pptable(adev);
+ if (ret) {
+ DRM_ERROR("amdgpu: Failed to put power play table to SMU!\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static void cz_init_sclk_limit(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_clock_voltage_dependency_table *table =
+ &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
+ uint32_t clock = 0, level;
+
+ if (!table || !table->count) {
+ DRM_ERROR("Invalid Voltage Dependency table.\n");
+ return;
+ }
+
+ pi->sclk_dpm.soft_min_clk = 0;
+ pi->sclk_dpm.hard_min_clk = 0;
+ cz_send_msg_to_smc(adev, PPSMC_MSG_GetMaxSclkLevel);
+ level = cz_get_argument(adev);
+ if (level < table->count)
+ clock = table->entries[level].clk;
+ else {
+ DRM_ERROR("Invalid SLCK Voltage Dependency table entry.\n");
+ clock = table->entries[table->count - 1].clk;
+ }
+
+ pi->sclk_dpm.soft_max_clk = clock;
+ pi->sclk_dpm.hard_max_clk = clock;
+
+}
+
+static void cz_init_uvd_limit(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_uvd_clock_voltage_dependency_table *table =
+ &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
+ uint32_t clock = 0, level;
+
+ if (!table || !table->count) {
+ DRM_ERROR("Invalid Voltage Dependency table.\n");
+ return;
+ }
+
+ pi->uvd_dpm.soft_min_clk = 0;
+ pi->uvd_dpm.hard_min_clk = 0;
+ cz_send_msg_to_smc(adev, PPSMC_MSG_GetMaxUvdLevel);
+ level = cz_get_argument(adev);
+ if (level < table->count)
+ clock = table->entries[level].vclk;
+ else {
+ DRM_ERROR("Invalid UVD Voltage Dependency table entry.\n");
+ clock = table->entries[table->count - 1].vclk;
+ }
+
+ pi->uvd_dpm.soft_max_clk = clock;
+ pi->uvd_dpm.hard_max_clk = clock;
+
+}
+
+static void cz_init_vce_limit(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_vce_clock_voltage_dependency_table *table =
+ &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
+ uint32_t clock = 0, level;
+
+ if (!table || !table->count) {
+ DRM_ERROR("Invalid Voltage Dependency table.\n");
+ return;
+ }
+
+ pi->vce_dpm.soft_min_clk = table->entries[0].ecclk;
+ pi->vce_dpm.hard_min_clk = table->entries[0].ecclk;
+ cz_send_msg_to_smc(adev, PPSMC_MSG_GetMaxEclkLevel);
+ level = cz_get_argument(adev);
+ if (level < table->count)
+ clock = table->entries[level].ecclk;
+ else {
+ /* future BIOS would fix this error */
+ DRM_ERROR("Invalid VCE Voltage Dependency table entry.\n");
+ clock = table->entries[table->count - 1].ecclk;
+ }
+
+ pi->vce_dpm.soft_max_clk = clock;
+ pi->vce_dpm.hard_max_clk = clock;
+
+}
+
+static void cz_init_acp_limit(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_clock_voltage_dependency_table *table =
+ &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
+ uint32_t clock = 0, level;
+
+ if (!table || !table->count) {
+ DRM_ERROR("Invalid Voltage Dependency table.\n");
+ return;
+ }
+
+ pi->acp_dpm.soft_min_clk = 0;
+ pi->acp_dpm.hard_min_clk = 0;
+ cz_send_msg_to_smc(adev, PPSMC_MSG_GetMaxAclkLevel);
+ level = cz_get_argument(adev);
+ if (level < table->count)
+ clock = table->entries[level].clk;
+ else {
+ DRM_ERROR("Invalid ACP Voltage Dependency table entry.\n");
+ clock = table->entries[table->count - 1].clk;
+ }
+
+ pi->acp_dpm.soft_max_clk = clock;
+ pi->acp_dpm.hard_max_clk = clock;
+
+}
+
+static void cz_init_pg_state(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ pi->uvd_power_gated = false;
+ pi->vce_power_gated = false;
+ pi->acp_power_gated = false;
+
+}
+
+static void cz_init_sclk_threshold(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ pi->low_sclk_interrupt_threshold = 0;
+
+}
+
+static void cz_dpm_setup_asic(struct amdgpu_device *adev)
+{
+ cz_reset_ap_mask(adev);
+ cz_dpm_upload_pptable_to_smu(adev);
+ cz_init_sclk_limit(adev);
+ cz_init_uvd_limit(adev);
+ cz_init_vce_limit(adev);
+ cz_init_acp_limit(adev);
+ cz_init_pg_state(adev);
+ cz_init_sclk_threshold(adev);
+
+}
+
+static bool cz_check_smu_feature(struct amdgpu_device *adev,
+ uint32_t feature)
+{
+ uint32_t smu_feature = 0;
+ int ret;
+
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_GetFeatureStatus, 0);
+ if (ret) {
+ DRM_ERROR("Failed to get SMU features from SMC.\n");
+ return false;
+ } else {
+ smu_feature = cz_get_argument(adev);
+ if (feature & smu_feature)
+ return true;
+ }
+
+ return false;
+}
+
+static bool cz_check_for_dpm_enabled(struct amdgpu_device *adev)
+{
+ if (cz_check_smu_feature(adev,
+ SMU_EnabledFeatureScoreboard_SclkDpmOn))
+ return true;
+
+ return false;
+}
+
+static void cz_program_voting_clients(struct amdgpu_device *adev)
+{
+ WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, PPCZ_VOTINGRIGHTSCLIENTS_DFLT0);
+}
+
+static void cz_clear_voting_clients(struct amdgpu_device *adev)
+{
+ WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0);
+}
+
+static int cz_start_dpm(struct amdgpu_device *adev)
+{
+ int ret = 0;
+
+ if (amdgpu_dpm) {
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_EnableAllSmuFeatures, SCLK_DPM_MASK);
+ if (ret) {
+ DRM_ERROR("SMU feature: SCLK_DPM enable failed\n");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int cz_stop_dpm(struct amdgpu_device *adev)
+{
+ int ret = 0;
+
+ if (amdgpu_dpm && adev->pm.dpm_enabled) {
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_DisableAllSmuFeatures, SCLK_DPM_MASK);
+ if (ret) {
+ DRM_ERROR("SMU feature: SCLK_DPM disable failed\n");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static uint32_t cz_get_sclk_level(struct amdgpu_device *adev,
+ uint32_t clock, uint16_t msg)
+{
+ int i = 0;
+ struct amdgpu_clock_voltage_dependency_table *table =
+ &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
+
+ switch (msg) {
+ case PPSMC_MSG_SetSclkSoftMin:
+ case PPSMC_MSG_SetSclkHardMin:
+ for (i = 0; i < table->count; i++)
+ if (clock <= table->entries[i].clk)
+ break;
+ if (i == table->count)
+ i = table->count - 1;
+ break;
+ case PPSMC_MSG_SetSclkSoftMax:
+ case PPSMC_MSG_SetSclkHardMax:
+ for (i = table->count - 1; i >= 0; i--)
+ if (clock >= table->entries[i].clk)
+ break;
+ if (i < 0)
+ i = 0;
+ break;
+ default:
+ break;
+ }
+
+ return i;
+}
+
+static uint32_t cz_get_eclk_level(struct amdgpu_device *adev,
+ uint32_t clock, uint16_t msg)
+{
+ int i = 0;
+ struct amdgpu_vce_clock_voltage_dependency_table *table =
+ &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
+
+ if (table->count == 0)
+ return 0;
+
+ switch (msg) {
+ case PPSMC_MSG_SetEclkSoftMin:
+ case PPSMC_MSG_SetEclkHardMin:
+ for (i = 0; i < table->count-1; i++)
+ if (clock <= table->entries[i].ecclk)
+ break;
+ break;
+ case PPSMC_MSG_SetEclkSoftMax:
+ case PPSMC_MSG_SetEclkHardMax:
+ for (i = table->count - 1; i > 0; i--)
+ if (clock >= table->entries[i].ecclk)
+ break;
+ break;
+ default:
+ break;
+ }
+
+ return i;
+}
+
+static int cz_program_bootup_state(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ uint32_t soft_min_clk = 0;
+ uint32_t soft_max_clk = 0;
+ int ret = 0;
+
+ pi->sclk_dpm.soft_min_clk = pi->sys_info.bootup_sclk;
+ pi->sclk_dpm.soft_max_clk = pi->sys_info.bootup_sclk;
+
+ soft_min_clk = cz_get_sclk_level(adev,
+ pi->sclk_dpm.soft_min_clk,
+ PPSMC_MSG_SetSclkSoftMin);
+ soft_max_clk = cz_get_sclk_level(adev,
+ pi->sclk_dpm.soft_max_clk,
+ PPSMC_MSG_SetSclkSoftMax);
+
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetSclkSoftMin, soft_min_clk);
+ if (ret)
+ return -EINVAL;
+
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetSclkSoftMax, soft_max_clk);
+ if (ret)
+ return -EINVAL;
+
+ return 0;
+}
+
+/* TODO */
+static int cz_disable_cgpg(struct amdgpu_device *adev)
+{
+ return 0;
+}
+
+/* TODO */
+static int cz_enable_cgpg(struct amdgpu_device *adev)
+{
+ return 0;
+}
+
+/* TODO */
+static int cz_program_pt_config_registers(struct amdgpu_device *adev)
+{
+ return 0;
+}
+
+static void cz_do_enable_didt(struct amdgpu_device *adev, bool enable)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ uint32_t reg = 0;
+
+ if (pi->caps_sq_ramping) {
+ reg = RREG32_DIDT(ixDIDT_SQ_CTRL0);
+ if (enable)
+ reg = REG_SET_FIELD(reg, DIDT_SQ_CTRL0, DIDT_CTRL_EN, 1);
+ else
+ reg = REG_SET_FIELD(reg, DIDT_SQ_CTRL0, DIDT_CTRL_EN, 0);
+ WREG32_DIDT(ixDIDT_SQ_CTRL0, reg);
+ }
+ if (pi->caps_db_ramping) {
+ reg = RREG32_DIDT(ixDIDT_DB_CTRL0);
+ if (enable)
+ reg = REG_SET_FIELD(reg, DIDT_DB_CTRL0, DIDT_CTRL_EN, 1);
+ else
+ reg = REG_SET_FIELD(reg, DIDT_DB_CTRL0, DIDT_CTRL_EN, 0);
+ WREG32_DIDT(ixDIDT_DB_CTRL0, reg);
+ }
+ if (pi->caps_td_ramping) {
+ reg = RREG32_DIDT(ixDIDT_TD_CTRL0);
+ if (enable)
+ reg = REG_SET_FIELD(reg, DIDT_TD_CTRL0, DIDT_CTRL_EN, 1);
+ else
+ reg = REG_SET_FIELD(reg, DIDT_TD_CTRL0, DIDT_CTRL_EN, 0);
+ WREG32_DIDT(ixDIDT_TD_CTRL0, reg);
+ }
+ if (pi->caps_tcp_ramping) {
+ reg = RREG32_DIDT(ixDIDT_TCP_CTRL0);
+ if (enable)
+ reg = REG_SET_FIELD(reg, DIDT_SQ_CTRL0, DIDT_CTRL_EN, 1);
+ else
+ reg = REG_SET_FIELD(reg, DIDT_SQ_CTRL0, DIDT_CTRL_EN, 0);
+ WREG32_DIDT(ixDIDT_TCP_CTRL0, reg);
+ }
+
+}
+
+static int cz_enable_didt(struct amdgpu_device *adev, bool enable)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ int ret;
+
+ if (pi->caps_sq_ramping || pi->caps_db_ramping ||
+ pi->caps_td_ramping || pi->caps_tcp_ramping) {
+ if (adev->gfx.gfx_current_status != AMDGPU_GFX_SAFE_MODE) {
+ ret = cz_disable_cgpg(adev);
+ if (ret) {
+ DRM_ERROR("Pre Di/Dt disable cg/pg failed\n");
+ return -EINVAL;
+ }
+ adev->gfx.gfx_current_status = AMDGPU_GFX_SAFE_MODE;
+ }
+
+ ret = cz_program_pt_config_registers(adev);
+ if (ret) {
+ DRM_ERROR("Di/Dt config failed\n");
+ return -EINVAL;
+ }
+ cz_do_enable_didt(adev, enable);
+
+ if (adev->gfx.gfx_current_status == AMDGPU_GFX_SAFE_MODE) {
+ ret = cz_enable_cgpg(adev);
+ if (ret) {
+ DRM_ERROR("Post Di/Dt enable cg/pg failed\n");
+ return -EINVAL;
+ }
+ adev->gfx.gfx_current_status = AMDGPU_GFX_NORMAL_MODE;
+ }
+ }
+
+ return 0;
+}
+
+/* TODO */
+static void cz_reset_acp_boot_level(struct amdgpu_device *adev)
+{
+}
+
+static void cz_update_current_ps(struct amdgpu_device *adev,
+ struct amdgpu_ps *rps)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct cz_ps *ps = cz_get_ps(rps);
+
+ pi->current_ps = *ps;
+ pi->current_rps = *rps;
+ pi->current_rps.ps_priv = ps;
+
+}
+
+static void cz_update_requested_ps(struct amdgpu_device *adev,
+ struct amdgpu_ps *rps)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct cz_ps *ps = cz_get_ps(rps);
+
+ pi->requested_ps = *ps;
+ pi->requested_rps = *rps;
+ pi->requested_rps.ps_priv = ps;
+
+}
+
+/* PP arbiter support needed TODO */
+static void cz_apply_state_adjust_rules(struct amdgpu_device *adev,
+ struct amdgpu_ps *new_rps,
+ struct amdgpu_ps *old_rps)
+{
+ struct cz_ps *ps = cz_get_ps(new_rps);
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_clock_and_voltage_limits *limits =
+ &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
+ /* 10kHz memory clock */
+ uint32_t mclk = 0;
+
+ ps->force_high = false;
+ ps->need_dfs_bypass = true;
+ pi->video_start = new_rps->dclk || new_rps->vclk ||
+ new_rps->evclk || new_rps->ecclk;
+
+ if ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) ==
+ ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)
+ pi->battery_state = true;
+ else
+ pi->battery_state = false;
+
+ if (pi->caps_stable_power_state)
+ mclk = limits->mclk;
+
+ if (mclk > pi->sys_info.nbp_memory_clock[CZ_NUM_NBPMEMORY_CLOCK - 1])
+ ps->force_high = true;
+
+}
+
+static int cz_dpm_enable(struct amdgpu_device *adev)
+{
+ const char *chip_name;
+ int ret = 0;
+
+ /* renable will hang up SMU, so check first */
+ if (cz_check_for_dpm_enabled(adev))
+ return -EINVAL;
+
+ cz_program_voting_clients(adev);
+
+ switch (adev->asic_type) {
+ case CHIP_CARRIZO:
+ chip_name = "carrizo";
+ break;
+ case CHIP_STONEY:
+ chip_name = "stoney";
+ break;
+ default:
+ BUG();
+ }
+
+
+ ret = cz_start_dpm(adev);
+ if (ret) {
+ DRM_ERROR("%s DPM enable failed\n", chip_name);
+ return -EINVAL;
+ }
+
+ ret = cz_program_bootup_state(adev);
+ if (ret) {
+ DRM_ERROR("%s bootup state program failed\n", chip_name);
+ return -EINVAL;
+ }
+
+ ret = cz_enable_didt(adev, true);
+ if (ret) {
+ DRM_ERROR("%s enable di/dt failed\n", chip_name);
+ return -EINVAL;
+ }
+
+ cz_reset_acp_boot_level(adev);
+
+ cz_update_current_ps(adev, adev->pm.dpm.boot_ps);
+
+ return 0;
+}
+
+static int cz_dpm_hw_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int ret = 0;
+
+ mutex_lock(&adev->pm.mutex);
+
+ /* smu init only needs to be called at startup, not resume.
+ * It should be in sw_init, but requires the fw info gathered
+ * in sw_init from other IP modules.
+ */
+ ret = cz_smu_init(adev);
+ if (ret) {
+ DRM_ERROR("amdgpu: smc initialization failed\n");
+ mutex_unlock(&adev->pm.mutex);
+ return ret;
+ }
+
+ /* do the actual fw loading */
+ ret = cz_smu_start(adev);
+ if (ret) {
+ DRM_ERROR("amdgpu: smc start failed\n");
+ mutex_unlock(&adev->pm.mutex);
+ return ret;
+ }
+
+ if (!amdgpu_dpm) {
+ adev->pm.dpm_enabled = false;
+ mutex_unlock(&adev->pm.mutex);
+ return ret;
+ }
+
+ /* cz dpm setup asic */
+ cz_dpm_setup_asic(adev);
+
+ /* cz dpm enable */
+ ret = cz_dpm_enable(adev);
+ if (ret)
+ adev->pm.dpm_enabled = false;
+ else
+ adev->pm.dpm_enabled = true;
+
+ mutex_unlock(&adev->pm.mutex);
+
+ return 0;
+}
+
+static int cz_dpm_disable(struct amdgpu_device *adev)
+{
+ int ret = 0;
+
+ if (!cz_check_for_dpm_enabled(adev))
+ return -EINVAL;
+
+ ret = cz_enable_didt(adev, false);
+ if (ret) {
+ DRM_ERROR("disable di/dt failed\n");
+ return -EINVAL;
+ }
+
+ /* powerup blocks */
+ cz_dpm_powergate_uvd(adev, false);
+ cz_dpm_powergate_vce(adev, false);
+
+ cz_clear_voting_clients(adev);
+ cz_stop_dpm(adev);
+ cz_update_current_ps(adev, adev->pm.dpm.boot_ps);
+
+ return 0;
+}
+
+static int cz_dpm_hw_fini(void *handle)
+{
+ int ret = 0;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ mutex_lock(&adev->pm.mutex);
+
+ /* smu fini only needs to be called at teardown, not suspend.
+ * It should be in sw_fini, but we put it here for symmetry
+ * with smu init.
+ */
+ cz_smu_fini(adev);
+
+ if (adev->pm.dpm_enabled) {
+ ret = cz_dpm_disable(adev);
+
+ adev->pm.dpm.current_ps =
+ adev->pm.dpm.requested_ps =
+ adev->pm.dpm.boot_ps;
+ }
+
+ adev->pm.dpm_enabled = false;
+
+ mutex_unlock(&adev->pm.mutex);
+
+ return ret;
+}
+
+static int cz_dpm_suspend(void *handle)
+{
+ int ret = 0;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ if (adev->pm.dpm_enabled) {
+ mutex_lock(&adev->pm.mutex);
+
+ ret = cz_dpm_disable(adev);
+
+ adev->pm.dpm.current_ps =
+ adev->pm.dpm.requested_ps =
+ adev->pm.dpm.boot_ps;
+
+ mutex_unlock(&adev->pm.mutex);
+ }
+
+ return ret;
+}
+
+static int cz_dpm_resume(void *handle)
+{
+ int ret = 0;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ mutex_lock(&adev->pm.mutex);
+
+ /* do the actual fw loading */
+ ret = cz_smu_start(adev);
+ if (ret) {
+ DRM_ERROR("amdgpu: smc start failed\n");
+ mutex_unlock(&adev->pm.mutex);
+ return ret;
+ }
+
+ if (!amdgpu_dpm) {
+ adev->pm.dpm_enabled = false;
+ mutex_unlock(&adev->pm.mutex);
+ return ret;
+ }
+
+ /* cz dpm setup asic */
+ cz_dpm_setup_asic(adev);
+
+ /* cz dpm enable */
+ ret = cz_dpm_enable(adev);
+ if (ret)
+ adev->pm.dpm_enabled = false;
+ else
+ adev->pm.dpm_enabled = true;
+
+ mutex_unlock(&adev->pm.mutex);
+ /* upon resume, re-compute the clocks */
+ if (adev->pm.dpm_enabled)
+ amdgpu_pm_compute_clocks(adev);
+
+ return 0;
+}
+
+static int cz_dpm_set_clockgating_state(void *handle,
+ enum amd_clockgating_state state)
+{
+ return 0;
+}
+
+static int cz_dpm_set_powergating_state(void *handle,
+ enum amd_powergating_state state)
+{
+ return 0;
+}
+
+/* borrowed from KV, need future unify */
+static int cz_dpm_get_temperature(struct amdgpu_device *adev)
+{
+ int actual_temp = 0;
+ uint32_t temp = RREG32_SMC(0xC0300E0C);
+
+ if (temp)
+ actual_temp = 1000 * ((temp / 8) - 49);
+
+ return actual_temp;
+}
+
+static int cz_dpm_pre_set_power_state(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_ps requested_ps = *adev->pm.dpm.requested_ps;
+ struct amdgpu_ps *new_ps = &requested_ps;
+
+ cz_update_requested_ps(adev, new_ps);
+ cz_apply_state_adjust_rules(adev, &pi->requested_rps,
+ &pi->current_rps);
+
+ return 0;
+}
+
+static int cz_dpm_update_sclk_limit(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_clock_and_voltage_limits *limits =
+ &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
+ uint32_t clock, stable_ps_clock = 0;
+
+ clock = pi->sclk_dpm.soft_min_clk;
+
+ if (pi->caps_stable_power_state) {
+ stable_ps_clock = limits->sclk * 75 / 100;
+ if (clock < stable_ps_clock)
+ clock = stable_ps_clock;
+ }
+
+ if (clock != pi->sclk_dpm.soft_min_clk) {
+ pi->sclk_dpm.soft_min_clk = clock;
+ cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetSclkSoftMin,
+ cz_get_sclk_level(adev, clock,
+ PPSMC_MSG_SetSclkSoftMin));
+ }
+
+ if (pi->caps_stable_power_state &&
+ pi->sclk_dpm.soft_max_clk != clock) {
+ pi->sclk_dpm.soft_max_clk = clock;
+ cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetSclkSoftMax,
+ cz_get_sclk_level(adev, clock,
+ PPSMC_MSG_SetSclkSoftMax));
+ } else {
+ cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetSclkSoftMax,
+ cz_get_sclk_level(adev,
+ pi->sclk_dpm.soft_max_clk,
+ PPSMC_MSG_SetSclkSoftMax));
+ }
+
+ return 0;
+}
+
+static int cz_dpm_set_deep_sleep_sclk_threshold(struct amdgpu_device *adev)
+{
+ int ret = 0;
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ if (pi->caps_sclk_ds) {
+ cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetMinDeepSleepSclk,
+ CZ_MIN_DEEP_SLEEP_SCLK);
+ }
+
+ return ret;
+}
+
+/* ?? without dal support, is this still needed in setpowerstate list*/
+static int cz_dpm_set_watermark_threshold(struct amdgpu_device *adev)
+{
+ int ret = 0;
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetWatermarkFrequency,
+ pi->sclk_dpm.soft_max_clk);
+
+ return ret;
+}
+
+static int cz_dpm_enable_nbdpm(struct amdgpu_device *adev)
+{
+ int ret = 0;
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ /* also depend on dal NBPStateDisableRequired */
+ if (pi->nb_dpm_enabled_by_driver && !pi->nb_dpm_enabled) {
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_EnableAllSmuFeatures,
+ NB_DPM_MASK);
+ if (ret) {
+ DRM_ERROR("amdgpu: nb dpm enable failed\n");
+ return ret;
+ }
+ pi->nb_dpm_enabled = true;
+ }
+
+ return ret;
+}
+
+static void cz_dpm_nbdpm_lm_pstate_enable(struct amdgpu_device *adev,
+ bool enable)
+{
+ if (enable)
+ cz_send_msg_to_smc(adev, PPSMC_MSG_EnableLowMemoryPstate);
+ else
+ cz_send_msg_to_smc(adev, PPSMC_MSG_DisableLowMemoryPstate);
+
+}
+
+static int cz_dpm_update_low_memory_pstate(struct amdgpu_device *adev)
+{
+ int ret = 0;
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct cz_ps *ps = &pi->requested_ps;
+
+ if (pi->sys_info.nb_dpm_enable) {
+ if (ps->force_high)
+ cz_dpm_nbdpm_lm_pstate_enable(adev, false);
+ else
+ cz_dpm_nbdpm_lm_pstate_enable(adev, true);
+ }
+
+ return ret;
+}
+
+/* with dpm enabled */
+static int cz_dpm_set_power_state(struct amdgpu_device *adev)
+{
+ int ret = 0;
+
+ cz_dpm_update_sclk_limit(adev);
+ cz_dpm_set_deep_sleep_sclk_threshold(adev);
+ cz_dpm_set_watermark_threshold(adev);
+ cz_dpm_enable_nbdpm(adev);
+ cz_dpm_update_low_memory_pstate(adev);
+
+ return ret;
+}
+
+static void cz_dpm_post_set_power_state(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_ps *ps = &pi->requested_rps;
+
+ cz_update_current_ps(adev, ps);
+
+}
+
+static int cz_dpm_force_highest(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ int ret = 0;
+
+ if (pi->sclk_dpm.soft_min_clk != pi->sclk_dpm.soft_max_clk) {
+ pi->sclk_dpm.soft_min_clk =
+ pi->sclk_dpm.soft_max_clk;
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetSclkSoftMin,
+ cz_get_sclk_level(adev,
+ pi->sclk_dpm.soft_min_clk,
+ PPSMC_MSG_SetSclkSoftMin));
+ if (ret)
+ return ret;
+ }
+
+ return ret;
+}
+
+static int cz_dpm_force_lowest(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ int ret = 0;
+
+ if (pi->sclk_dpm.soft_max_clk != pi->sclk_dpm.soft_min_clk) {
+ pi->sclk_dpm.soft_max_clk = pi->sclk_dpm.soft_min_clk;
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetSclkSoftMax,
+ cz_get_sclk_level(adev,
+ pi->sclk_dpm.soft_max_clk,
+ PPSMC_MSG_SetSclkSoftMax));
+ if (ret)
+ return ret;
+ }
+
+ return ret;
+}
+
+static uint32_t cz_dpm_get_max_sclk_level(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ if (!pi->max_sclk_level) {
+ cz_send_msg_to_smc(adev, PPSMC_MSG_GetMaxSclkLevel);
+ pi->max_sclk_level = cz_get_argument(adev) + 1;
+ }
+
+ if (pi->max_sclk_level > CZ_MAX_HARDWARE_POWERLEVELS) {
+ DRM_ERROR("Invalid max sclk level!\n");
+ return -EINVAL;
+ }
+
+ return pi->max_sclk_level;
+}
+
+static int cz_dpm_unforce_dpm_levels(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_clock_voltage_dependency_table *dep_table =
+ &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
+ uint32_t level = 0;
+ int ret = 0;
+
+ pi->sclk_dpm.soft_min_clk = dep_table->entries[0].clk;
+ level = cz_dpm_get_max_sclk_level(adev) - 1;
+ if (level < dep_table->count)
+ pi->sclk_dpm.soft_max_clk = dep_table->entries[level].clk;
+ else
+ pi->sclk_dpm.soft_max_clk =
+ dep_table->entries[dep_table->count - 1].clk;
+
+ /* get min/max sclk soft value
+ * notify SMU to execute */
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetSclkSoftMin,
+ cz_get_sclk_level(adev,
+ pi->sclk_dpm.soft_min_clk,
+ PPSMC_MSG_SetSclkSoftMin));
+ if (ret)
+ return ret;
+
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetSclkSoftMax,
+ cz_get_sclk_level(adev,
+ pi->sclk_dpm.soft_max_clk,
+ PPSMC_MSG_SetSclkSoftMax));
+ if (ret)
+ return ret;
+
+ DRM_DEBUG("DPM unforce state min=%d, max=%d.\n",
+ pi->sclk_dpm.soft_min_clk,
+ pi->sclk_dpm.soft_max_clk);
+
+ return 0;
+}
+
+static int cz_dpm_force_dpm_level(struct amdgpu_device *adev,
+ enum amdgpu_dpm_forced_level level)
+{
+ int ret = 0;
+
+ switch (level) {
+ case AMDGPU_DPM_FORCED_LEVEL_HIGH:
+ ret = cz_dpm_unforce_dpm_levels(adev);
+ if (ret)
+ return ret;
+ ret = cz_dpm_force_highest(adev);
+ if (ret)
+ return ret;
+ break;
+ case AMDGPU_DPM_FORCED_LEVEL_LOW:
+ ret = cz_dpm_unforce_dpm_levels(adev);
+ if (ret)
+ return ret;
+ ret = cz_dpm_force_lowest(adev);
+ if (ret)
+ return ret;
+ break;
+ case AMDGPU_DPM_FORCED_LEVEL_AUTO:
+ ret = cz_dpm_unforce_dpm_levels(adev);
+ if (ret)
+ return ret;
+ break;
+ default:
+ break;
+ }
+
+ adev->pm.dpm.forced_level = level;
+
+ return ret;
+}
+
+/* fix me, display configuration change lists here
+ * mostly dal related*/
+static void cz_dpm_display_configuration_changed(struct amdgpu_device *adev)
+{
+}
+
+static uint32_t cz_dpm_get_sclk(struct amdgpu_device *adev, bool low)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct cz_ps *requested_state = cz_get_ps(&pi->requested_rps);
+
+ if (low)
+ return requested_state->levels[0].sclk;
+ else
+ return requested_state->levels[requested_state->num_levels - 1].sclk;
+
+}
+
+static uint32_t cz_dpm_get_mclk(struct amdgpu_device *adev, bool low)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ return pi->sys_info.bootup_uma_clk;
+}
+
+static int cz_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ int ret = 0;
+
+ if (enable && pi->caps_uvd_dpm ) {
+ pi->dpm_flags |= DPMFlags_UVD_Enabled;
+ DRM_DEBUG("UVD DPM Enabled.\n");
+
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_EnableAllSmuFeatures, UVD_DPM_MASK);
+ } else {
+ pi->dpm_flags &= ~DPMFlags_UVD_Enabled;
+ DRM_DEBUG("UVD DPM Stopped\n");
+
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_DisableAllSmuFeatures, UVD_DPM_MASK);
+ }
+
+ return ret;
+}
+
+static int cz_update_uvd_dpm(struct amdgpu_device *adev, bool gate)
+{
+ return cz_enable_uvd_dpm(adev, !gate);
+}
+
+
+static void cz_dpm_powergate_uvd(struct amdgpu_device *adev, bool gate)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ int ret;
+
+ if (pi->uvd_power_gated == gate)
+ return;
+
+ pi->uvd_power_gated = gate;
+
+ if (gate) {
+ if (pi->caps_uvd_pg) {
+ /* disable clockgating so we can properly shut down the block */
+ ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
+ AMD_CG_STATE_UNGATE);
+ /* shutdown the UVD block */
+ ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
+ AMD_PG_STATE_GATE);
+ /* XXX: check for errors */
+ }
+ cz_update_uvd_dpm(adev, gate);
+ if (pi->caps_uvd_pg)
+ /* power off the UVD block */
+ cz_send_msg_to_smc(adev, PPSMC_MSG_UVDPowerOFF);
+ } else {
+ if (pi->caps_uvd_pg) {
+ /* power on the UVD block */
+ if (pi->uvd_dynamic_pg)
+ cz_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_UVDPowerON, 1);
+ else
+ cz_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_UVDPowerON, 0);
+ /* re-init the UVD block */
+ ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
+ AMD_PG_STATE_UNGATE);
+ /* enable clockgating. hw will dynamically gate/ungate clocks on the fly */
+ ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
+ AMD_CG_STATE_GATE);
+ /* XXX: check for errors */
+ }
+ cz_update_uvd_dpm(adev, gate);
+ }
+}
+
+static int cz_enable_vce_dpm(struct amdgpu_device *adev, bool enable)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ int ret = 0;
+
+ if (enable && pi->caps_vce_dpm) {
+ pi->dpm_flags |= DPMFlags_VCE_Enabled;
+ DRM_DEBUG("VCE DPM Enabled.\n");
+
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_EnableAllSmuFeatures, VCE_DPM_MASK);
+
+ } else {
+ pi->dpm_flags &= ~DPMFlags_VCE_Enabled;
+ DRM_DEBUG("VCE DPM Stopped\n");
+
+ ret = cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_DisableAllSmuFeatures, VCE_DPM_MASK);
+ }
+
+ return ret;
+}
+
+static int cz_update_vce_dpm(struct amdgpu_device *adev)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+ struct amdgpu_vce_clock_voltage_dependency_table *table =
+ &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
+
+ /* Stable Pstate is enabled and we need to set the VCE DPM to highest level */
+ if (pi->caps_stable_power_state) {
+ pi->vce_dpm.hard_min_clk = table->entries[table->count-1].ecclk;
+
+ } else { /* non-stable p-state cases. without vce.Arbiter.EcclkHardMin */
+ pi->vce_dpm.hard_min_clk = table->entries[0].ecclk;
+ }
+
+ cz_send_msg_to_smc_with_parameter(adev,
+ PPSMC_MSG_SetEclkHardMin,
+ cz_get_eclk_level(adev,
+ pi->vce_dpm.hard_min_clk,
+ PPSMC_MSG_SetEclkHardMin));
+ return 0;
+}
+
+static void cz_dpm_powergate_vce(struct amdgpu_device *adev, bool gate)
+{
+ struct cz_power_info *pi = cz_get_pi(adev);
+
+ if (pi->caps_vce_pg) {
+ if (pi->vce_power_gated != gate) {
+ if (gate) {
+ /* disable clockgating so we can properly shut down the block */
+ amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+ AMD_CG_STATE_UNGATE);
+ /* shutdown the VCE block */
+ amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+ AMD_PG_STATE_GATE);
+
+ cz_enable_vce_dpm(adev, false);
+ /* TODO: to figure out why vce can't be poweroff. */
+ /* cz_send_msg_to_smc(adev, PPSMC_MSG_VCEPowerOFF); */
+ pi->vce_power_gated = true;
+ } else {
+ cz_send_msg_to_smc(adev, PPSMC_MSG_VCEPowerON);
+ pi->vce_power_gated = false;
+
+ /* re-init the VCE block */
+ amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+ AMD_PG_STATE_UNGATE);
+ /* enable clockgating. hw will dynamically gate/ungate clocks on the fly */
+ amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+ AMD_CG_STATE_GATE);
+
+ cz_update_vce_dpm(adev);
+ cz_enable_vce_dpm(adev, true);
+ }
+ } else {
+ if (! pi->vce_power_gated) {
+ cz_update_vce_dpm(adev);
+ }
+ }
+ } else { /*pi->caps_vce_pg*/
+ cz_update_vce_dpm(adev);
+ cz_enable_vce_dpm(adev, true);
+ }
+
+ return;
+}
+
+const struct amd_ip_funcs cz_dpm_ip_funcs = {
+ .early_init = cz_dpm_early_init,
+ .late_init = cz_dpm_late_init,
+ .sw_init = cz_dpm_sw_init,
+ .sw_fini = cz_dpm_sw_fini,
+ .hw_init = cz_dpm_hw_init,
+ .hw_fini = cz_dpm_hw_fini,
+ .suspend = cz_dpm_suspend,
+ .resume = cz_dpm_resume,
+ .is_idle = NULL,
+ .wait_for_idle = NULL,
+ .soft_reset = NULL,
+ .print_status = NULL,
+ .set_clockgating_state = cz_dpm_set_clockgating_state,
+ .set_powergating_state = cz_dpm_set_powergating_state,
+};
+
+static const struct amdgpu_dpm_funcs cz_dpm_funcs = {
+ .get_temperature = cz_dpm_get_temperature,
+ .pre_set_power_state = cz_dpm_pre_set_power_state,
+ .set_power_state = cz_dpm_set_power_state,
+ .post_set_power_state = cz_dpm_post_set_power_state,
+ .display_configuration_changed = cz_dpm_display_configuration_changed,
+ .get_sclk = cz_dpm_get_sclk,
+ .get_mclk = cz_dpm_get_mclk,
+ .print_power_state = cz_dpm_print_power_state,
+ .debugfs_print_current_performance_level =
+ cz_dpm_debugfs_print_current_performance_level,
+ .force_performance_level = cz_dpm_force_dpm_level,
+ .vblank_too_short = NULL,
+ .powergate_uvd = cz_dpm_powergate_uvd,
+ .powergate_vce = cz_dpm_powergate_vce,
+};
+
+static void cz_dpm_set_funcs(struct amdgpu_device *adev)
+{
+ if (NULL == adev->pm.funcs)
+ adev->pm.funcs = &cz_dpm_funcs;
+}
Code Review / kvmfornfv.git / blobdiff