/*
 * Copyright 2013 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 <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_pm.h"
#include "cikd.h"
#include "atom.h"
#include "amdgpu_atombios.h"
#include "amdgpu_dpm.h"
#include "kv_dpm.h"
#include "gfx_v7_0.h"
#include <linux/seq_file.h>

#include "smu/smu_7_0_0_d.h"
#include "smu/smu_7_0_0_sh_mask.h"

#include "gca/gfx_7_2_d.h"
#include "gca/gfx_7_2_sh_mask.h"

#define KV_MAX_DEEPSLEEP_DIVIDER_ID     5
#define KV_MINIMUM_ENGINE_CLOCK         800
#define SMC_RAM_END                     0x40000

static const struct amd_pm_funcs kv_dpm_funcs;

static void kv_dpm_set_irq_funcs(struct amdgpu_device *adev);
static int kv_enable_nb_dpm(struct amdgpu_device *adev,
                            bool enable);
static void kv_init_graphics_levels(struct amdgpu_device *adev);
static int kv_calculate_ds_divider(struct amdgpu_device *adev);
static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev);
static int kv_calculate_dpm_settings(struct amdgpu_device *adev);
static void kv_enable_new_levels(struct amdgpu_device *adev);
static void kv_program_nbps_index_settings(struct amdgpu_device *adev,
                                           struct amdgpu_ps *new_rps);
static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level);
static int kv_set_enabled_levels(struct amdgpu_device *adev);
static int kv_force_dpm_highest(struct amdgpu_device *adev);
static int kv_force_dpm_lowest(struct amdgpu_device *adev);
static void kv_apply_state_adjust_rules(struct amdgpu_device *adev,
                                        struct amdgpu_ps *new_rps,
                                        struct amdgpu_ps *old_rps);
static int kv_set_thermal_temperature_range(struct amdgpu_device *adev,
                                            int min_temp, int max_temp);
static int kv_init_fps_limits(struct amdgpu_device *adev);

static void kv_dpm_powergate_uvd(void *handle, bool gate);
static void kv_dpm_powergate_vce(struct amdgpu_device *adev, bool gate);
static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate);
static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate);


static u32 kv_convert_vid2_to_vid7(struct amdgpu_device *adev,
                                   struct sumo_vid_mapping_table *vid_mapping_table,
                                   u32 vid_2bit)
{
        struct amdgpu_clock_voltage_dependency_table *vddc_sclk_table =
                &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
        u32 i;

        if (vddc_sclk_table && vddc_sclk_table->count) {
                if (vid_2bit < vddc_sclk_table->count)
                        return vddc_sclk_table->entries[vid_2bit].v;
                else
                        return vddc_sclk_table->entries[vddc_sclk_table->count - 1].v;
        } else {
                for (i = 0; i < vid_mapping_table->num_entries; i++) {
                        if (vid_mapping_table->entries[i].vid_2bit == vid_2bit)
                                return vid_mapping_table->entries[i].vid_7bit;
                }
                return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_7bit;
        }
}

static u32 kv_convert_vid7_to_vid2(struct amdgpu_device *adev,
                                   struct sumo_vid_mapping_table *vid_mapping_table,
                                   u32 vid_7bit)
{
        struct amdgpu_clock_voltage_dependency_table *vddc_sclk_table =
                &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
        u32 i;

        if (vddc_sclk_table && vddc_sclk_table->count) {
                for (i = 0; i < vddc_sclk_table->count; i++) {
                        if (vddc_sclk_table->entries[i].v == vid_7bit)
                                return i;
                }
                return vddc_sclk_table->count - 1;
        } else {
                for (i = 0; i < vid_mapping_table->num_entries; i++) {
                        if (vid_mapping_table->entries[i].vid_7bit == vid_7bit)
                                return vid_mapping_table->entries[i].vid_2bit;
                }

                return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_2bit;
        }
}

static void sumo_take_smu_control(struct amdgpu_device *adev, bool enable)
{
/* This bit selects who handles display phy powergating.
 * Clear the bit to let atom handle it.
 * Set it to let the driver handle it.
 * For now we just let atom handle it.
 */
#if 0
        u32 v = RREG32(mmDOUT_SCRATCH3);

        if (enable)
                v |= 0x4;
        else
                v &= 0xFFFFFFFB;

        WREG32(mmDOUT_SCRATCH3, v);
#endif
}

static void sumo_construct_sclk_voltage_mapping_table(struct amdgpu_device *adev,
                                                      struct sumo_sclk_voltage_mapping_table *sclk_voltage_mapping_table,
                                                      ATOM_AVAILABLE_SCLK_LIST *table)
{
        u32 i;
        u32 n = 0;
        u32 prev_sclk = 0;

        for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
                if (table[i].ulSupportedSCLK > prev_sclk) {
                        sclk_voltage_mapping_table->entries[n].sclk_frequency =
                                table[i].ulSupportedSCLK;
                        sclk_voltage_mapping_table->entries[n].vid_2bit =
                                table[i].usVoltageIndex;
                        prev_sclk = table[i].ulSupportedSCLK;
                        n++;
                }
        }

        sclk_voltage_mapping_table->num_max_dpm_entries = n;
}

static void sumo_construct_vid_mapping_table(struct amdgpu_device *adev,
                                             struct sumo_vid_mapping_table *vid_mapping_table,
                                             ATOM_AVAILABLE_SCLK_LIST *table)
{
        u32 i, j;

        for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) {
                if (table[i].ulSupportedSCLK != 0) {
                        vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit =
                                table[i].usVoltageID;
                        vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit =
                                table[i].usVoltageIndex;
                }
        }

        for (i = 0; i < SUMO_MAX_NUMBER_VOLTAGES; i++) {
                if (vid_mapping_table->entries[i].vid_7bit == 0) {
                        for (j = i + 1; j < SUMO_MAX_NUMBER_VOLTAGES; j++) {
                                if (vid_mapping_table->entries[j].vid_7bit != 0) {
                                        vid_mapping_table->entries[i] =
                                                vid_mapping_table->entries[j];
                                        vid_mapping_table->entries[j].vid_7bit = 0;
                                        break;
                                }
                        }

                        if (j == SUMO_MAX_NUMBER_VOLTAGES)
                                break;
                }
        }

        vid_mapping_table->num_entries = i;
}

#if 0
static const struct kv_lcac_config_values sx_local_cac_cfg_kv[] =
{
        {  0,       4,        1    },
        {  1,       4,        1    },
        {  2,       5,        1    },
        {  3,       4,        2    },
        {  4,       1,        1    },
        {  5,       5,        2    },
        {  6,       6,        1    },
        {  7,       9,        2    },
        { 0xffffffff }
};

static const struct kv_lcac_config_values mc0_local_cac_cfg_kv[] =
{
        {  0,       4,        1    },
        { 0xffffffff }
};

static const struct kv_lcac_config_values mc1_local_cac_cfg_kv[] =
{
        {  0,       4,        1    },
        { 0xffffffff }
};

static const struct kv_lcac_config_values mc2_local_cac_cfg_kv[] =
{
        {  0,       4,        1    },
        { 0xffffffff }
};

static const struct kv_lcac_config_values mc3_local_cac_cfg_kv[] =
{
        {  0,       4,        1    },
        { 0xffffffff }
};

static const struct kv_lcac_config_values cpl_local_cac_cfg_kv[] =
{
        {  0,       4,        1    },
        {  1,       4,        1    },
        {  2,       5,        1    },
        {  3,       4,        1    },
        {  4,       1,        1    },
        {  5,       5,        1    },
        {  6,       6,        1    },
        {  7,       9,        1    },
        {  8,       4,        1    },
        {  9,       2,        1    },
        {  10,      3,        1    },
        {  11,      6,        1    },
        {  12,      8,        2    },
        {  13,      1,        1    },
        {  14,      2,        1    },
        {  15,      3,        1    },
        {  16,      1,        1    },
        {  17,      4,        1    },
        {  18,      3,        1    },
        {  19,      1,        1    },
        {  20,      8,        1    },
        {  21,      5,        1    },
        {  22,      1,        1    },
        {  23,      1,        1    },
        {  24,      4,        1    },
        {  27,      6,        1    },
        {  28,      1,        1    },
        { 0xffffffff }
};

static const struct kv_lcac_config_reg sx0_cac_config_reg[] =
{
        { 0xc0400d00, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
};

static const struct kv_lcac_config_reg mc0_cac_config_reg[] =
{
        { 0xc0400d30, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
};

static const struct kv_lcac_config_reg mc1_cac_config_reg[] =
{
        { 0xc0400d3c, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
};

static const struct kv_lcac_config_reg mc2_cac_config_reg[] =
{
        { 0xc0400d48, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
};

static const struct kv_lcac_config_reg mc3_cac_config_reg[] =
{
        { 0xc0400d54, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
};

static const struct kv_lcac_config_reg cpl_cac_config_reg[] =
{
        { 0xc0400d80, 0x003e0000, 17, 0x3fc00000, 22, 0x0001fffe, 1, 0x00000001, 0 }
};
#endif

static const struct kv_pt_config_reg didt_config_kv[] =
{
        { 0x10, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x10, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x10, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x10, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x11, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x11, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x11, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x11, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x12, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x12, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x12, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x12, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x2, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
        { 0x2, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
        { 0x2, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
        { 0x1, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
        { 0x1, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
        { 0x0, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x30, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x30, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x30, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x30, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x31, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x31, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x31, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x31, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x32, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x32, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x32, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x32, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x22, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
        { 0x22, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
        { 0x22, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
        { 0x21, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
        { 0x21, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
        { 0x20, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x50, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x50, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x50, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x50, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x51, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x51, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x51, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x51, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x52, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x52, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x52, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x52, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x42, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
        { 0x42, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
        { 0x42, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
        { 0x41, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
        { 0x41, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
        { 0x40, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x70, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x70, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x70, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x70, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x71, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x71, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x71, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x71, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x72, 0x000000ff, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x72, 0x0000ff00, 8, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x72, 0x00ff0000, 16, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x72, 0xff000000, 24, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0x62, 0x00003fff, 0, 0x4, KV_CONFIGREG_DIDT_IND },
        { 0x62, 0x03ff0000, 16, 0x80, KV_CONFIGREG_DIDT_IND },
        { 0x62, 0x78000000, 27, 0x3, KV_CONFIGREG_DIDT_IND },
        { 0x61, 0x0000ffff, 0, 0x3FFF, KV_CONFIGREG_DIDT_IND },
        { 0x61, 0xffff0000, 16, 0x3FFF, KV_CONFIGREG_DIDT_IND },
        { 0x60, 0x00000001, 0, 0x0, KV_CONFIGREG_DIDT_IND },
        { 0xFFFFFFFF }
};

static struct kv_ps *kv_get_ps(struct amdgpu_ps *rps)
{
        struct kv_ps *ps = rps->ps_priv;

        return ps;
}

static struct kv_power_info *kv_get_pi(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = adev->pm.dpm.priv;

        return pi;
}

#if 0
static void kv_program_local_cac_table(struct amdgpu_device *adev,
                                       const struct kv_lcac_config_values *local_cac_table,
                                       const struct kv_lcac_config_reg *local_cac_reg)
{
        u32 i, count, data;
        const struct kv_lcac_config_values *values = local_cac_table;

        while (values->block_id != 0xffffffff) {
                count = values->signal_id;
                for (i = 0; i < count; i++) {
                        data = ((values->block_id << local_cac_reg->block_shift) &
                                local_cac_reg->block_mask);
                        data |= ((i << local_cac_reg->signal_shift) &
                                 local_cac_reg->signal_mask);
                        data |= ((values->t << local_cac_reg->t_shift) &
                                 local_cac_reg->t_mask);
                        data |= ((1 << local_cac_reg->enable_shift) &
                                 local_cac_reg->enable_mask);
                        WREG32_SMC(local_cac_reg->cntl, data);
                }
                values++;
        }
}
#endif

static int kv_program_pt_config_registers(struct amdgpu_device *adev,
                                          const struct kv_pt_config_reg *cac_config_regs)
{
        const struct kv_pt_config_reg *config_regs = cac_config_regs;
        u32 data;
        u32 cache = 0;

        if (config_regs == NULL)
                return -EINVAL;

        while (config_regs->offset != 0xFFFFFFFF) {
                if (config_regs->type == KV_CONFIGREG_CACHE) {
                        cache |= ((config_regs->value << config_regs->shift) & config_regs->mask);
                } else {
                        switch (config_regs->type) {
                        case KV_CONFIGREG_SMC_IND:
                                data = RREG32_SMC(config_regs->offset);
                                break;
                        case KV_CONFIGREG_DIDT_IND:
                                data = RREG32_DIDT(config_regs->offset);
                                break;
                        default:
                                data = RREG32(config_regs->offset);
                                break;
                        }

                        data &= ~config_regs->mask;
                        data |= ((config_regs->value << config_regs->shift) & config_regs->mask);
                        data |= cache;
                        cache = 0;

                        switch (config_regs->type) {
                        case KV_CONFIGREG_SMC_IND:
                                WREG32_SMC(config_regs->offset, data);
                                break;
                        case KV_CONFIGREG_DIDT_IND:
                                WREG32_DIDT(config_regs->offset, data);
                                break;
                        default:
                                WREG32(config_regs->offset, data);
                                break;
                        }
                }
                config_regs++;
        }

        return 0;
}

static void kv_do_enable_didt(struct amdgpu_device *adev, bool enable)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 data;

        if (pi->caps_sq_ramping) {
                data = RREG32_DIDT(ixDIDT_SQ_CTRL0);
                if (enable)
                        data |= DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
                else
                        data &= ~DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK;
                WREG32_DIDT(ixDIDT_SQ_CTRL0, data);
        }

        if (pi->caps_db_ramping) {
                data = RREG32_DIDT(ixDIDT_DB_CTRL0);
                if (enable)
                        data |= DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
                else
                        data &= ~DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK;
                WREG32_DIDT(ixDIDT_DB_CTRL0, data);
        }

        if (pi->caps_td_ramping) {
                data = RREG32_DIDT(ixDIDT_TD_CTRL0);
                if (enable)
                        data |= DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
                else
                        data &= ~DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK;
                WREG32_DIDT(ixDIDT_TD_CTRL0, data);
        }

        if (pi->caps_tcp_ramping) {
                data = RREG32_DIDT(ixDIDT_TCP_CTRL0);
                if (enable)
                        data |= DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
                else
                        data &= ~DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK;
                WREG32_DIDT(ixDIDT_TCP_CTRL0, data);
        }
}

static int kv_enable_didt(struct amdgpu_device *adev, bool enable)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret;

        if (pi->caps_sq_ramping ||
            pi->caps_db_ramping ||
            pi->caps_td_ramping ||
            pi->caps_tcp_ramping) {
                adev->gfx.rlc.funcs->enter_safe_mode(adev);

                if (enable) {
                        ret = kv_program_pt_config_registers(adev, didt_config_kv);
                        if (ret) {
                                adev->gfx.rlc.funcs->exit_safe_mode(adev);
                                return ret;
                        }
                }

                kv_do_enable_didt(adev, enable);

                adev->gfx.rlc.funcs->exit_safe_mode(adev);
        }

        return 0;
}

#if 0
static void kv_initialize_hardware_cac_manager(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        if (pi->caps_cac) {
                WREG32_SMC(ixLCAC_SX0_OVR_SEL, 0);
                WREG32_SMC(ixLCAC_SX0_OVR_VAL, 0);
                kv_program_local_cac_table(adev, sx_local_cac_cfg_kv, sx0_cac_config_reg);

                WREG32_SMC(ixLCAC_MC0_OVR_SEL, 0);
                WREG32_SMC(ixLCAC_MC0_OVR_VAL, 0);
                kv_program_local_cac_table(adev, mc0_local_cac_cfg_kv, mc0_cac_config_reg);

                WREG32_SMC(ixLCAC_MC1_OVR_SEL, 0);
                WREG32_SMC(ixLCAC_MC1_OVR_VAL, 0);
                kv_program_local_cac_table(adev, mc1_local_cac_cfg_kv, mc1_cac_config_reg);

                WREG32_SMC(ixLCAC_MC2_OVR_SEL, 0);
                WREG32_SMC(ixLCAC_MC2_OVR_VAL, 0);
                kv_program_local_cac_table(adev, mc2_local_cac_cfg_kv, mc2_cac_config_reg);

                WREG32_SMC(ixLCAC_MC3_OVR_SEL, 0);
                WREG32_SMC(ixLCAC_MC3_OVR_VAL, 0);
                kv_program_local_cac_table(adev, mc3_local_cac_cfg_kv, mc3_cac_config_reg);

                WREG32_SMC(ixLCAC_CPL_OVR_SEL, 0);
                WREG32_SMC(ixLCAC_CPL_OVR_VAL, 0);
                kv_program_local_cac_table(adev, cpl_local_cac_cfg_kv, cpl_cac_config_reg);
        }
}
#endif

static int kv_enable_smc_cac(struct amdgpu_device *adev, bool enable)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret = 0;

        if (pi->caps_cac) {
                if (enable) {
                        ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_EnableCac);
                        if (ret)
                                pi->cac_enabled = false;
                        else
                                pi->cac_enabled = true;
                } else if (pi->cac_enabled) {
                        amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DisableCac);
                        pi->cac_enabled = false;
                }
        }

        return ret;
}

static int kv_process_firmware_header(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 tmp;
        int ret;

        ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
                                     offsetof(SMU7_Firmware_Header, DpmTable),
                                     &tmp, pi->sram_end);

        if (ret == 0)
                pi->dpm_table_start = tmp;

        ret = amdgpu_kv_read_smc_sram_dword(adev, SMU7_FIRMWARE_HEADER_LOCATION +
                                     offsetof(SMU7_Firmware_Header, SoftRegisters),
                                     &tmp, pi->sram_end);

        if (ret == 0)
                pi->soft_regs_start = tmp;

        return ret;
}

static int kv_enable_dpm_voltage_scaling(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret;

        pi->graphics_voltage_change_enable = 1;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, GraphicsVoltageChangeEnable),
                                   &pi->graphics_voltage_change_enable,
                                   sizeof(u8), pi->sram_end);

        return ret;
}

static int kv_set_dpm_interval(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret;

        pi->graphics_interval = 1;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, GraphicsInterval),
                                   &pi->graphics_interval,
                                   sizeof(u8), pi->sram_end);

        return ret;
}

static int kv_set_dpm_boot_state(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, GraphicsBootLevel),
                                   &pi->graphics_boot_level,
                                   sizeof(u8), pi->sram_end);

        return ret;
}

static void kv_program_vc(struct amdgpu_device *adev)
{
        WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0x3FFFC100);
}

static void kv_clear_vc(struct amdgpu_device *adev)
{
        WREG32_SMC(ixCG_FREQ_TRAN_VOTING_0, 0);
}

static int kv_set_divider_value(struct amdgpu_device *adev,
                                u32 index, u32 sclk)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        struct atom_clock_dividers dividers;
        int ret;

        ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
                                                 sclk, false, &dividers);
        if (ret)
                return ret;

        pi->graphics_level[index].SclkDid = (u8)dividers.post_div;
        pi->graphics_level[index].SclkFrequency = cpu_to_be32(sclk);

        return 0;
}

static u16 kv_convert_8bit_index_to_voltage(struct amdgpu_device *adev,
                                            u16 voltage)
{
        return 6200 - (voltage * 25);
}

static u16 kv_convert_2bit_index_to_voltage(struct amdgpu_device *adev,
                                            u32 vid_2bit)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 vid_8bit = kv_convert_vid2_to_vid7(adev,
                                               &pi->sys_info.vid_mapping_table,
                                               vid_2bit);

        return kv_convert_8bit_index_to_voltage(adev, (u16)vid_8bit);
}


static int kv_set_vid(struct amdgpu_device *adev, u32 index, u32 vid)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        pi->graphics_level[index].VoltageDownH = (u8)pi->voltage_drop_t;
        pi->graphics_level[index].MinVddNb =
                cpu_to_be32(kv_convert_2bit_index_to_voltage(adev, vid));

        return 0;
}

static int kv_set_at(struct amdgpu_device *adev, u32 index, u32 at)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        pi->graphics_level[index].AT = cpu_to_be16((u16)at);

        return 0;
}

static void kv_dpm_power_level_enable(struct amdgpu_device *adev,
                                      u32 index, bool enable)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        pi->graphics_level[index].EnabledForActivity = enable ? 1 : 0;
}

static void kv_start_dpm(struct amdgpu_device *adev)
{
        u32 tmp = RREG32_SMC(ixGENERAL_PWRMGT);

        tmp |= GENERAL_PWRMGT__GLOBAL_PWRMGT_EN_MASK;
        WREG32_SMC(ixGENERAL_PWRMGT, tmp);

        amdgpu_kv_smc_dpm_enable(adev, true);
}

static void kv_stop_dpm(struct amdgpu_device *adev)
{
        amdgpu_kv_smc_dpm_enable(adev, false);
}

static void kv_start_am(struct amdgpu_device *adev)
{
        u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);

        sclk_pwrmgt_cntl &= ~(SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
                        SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);
        sclk_pwrmgt_cntl |= SCLK_PWRMGT_CNTL__DYNAMIC_PM_EN_MASK;

        WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
}

static void kv_reset_am(struct amdgpu_device *adev)
{
        u32 sclk_pwrmgt_cntl = RREG32_SMC(ixSCLK_PWRMGT_CNTL);

        sclk_pwrmgt_cntl |= (SCLK_PWRMGT_CNTL__RESET_SCLK_CNT_MASK |
                        SCLK_PWRMGT_CNTL__RESET_BUSY_CNT_MASK);

        WREG32_SMC(ixSCLK_PWRMGT_CNTL, sclk_pwrmgt_cntl);
}

static int kv_freeze_sclk_dpm(struct amdgpu_device *adev, bool freeze)
{
        return amdgpu_kv_notify_message_to_smu(adev, freeze ?
                                        PPSMC_MSG_SCLKDPM_FreezeLevel : PPSMC_MSG_SCLKDPM_UnfreezeLevel);
}

static int kv_force_lowest_valid(struct amdgpu_device *adev)
{
        return kv_force_dpm_lowest(adev);
}

static int kv_unforce_levels(struct amdgpu_device *adev)
{
        if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
                return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NoForcedLevel);
        else
                return kv_set_enabled_levels(adev);
}

static int kv_update_sclk_t(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 low_sclk_interrupt_t = 0;
        int ret = 0;

        if (pi->caps_sclk_throttle_low_notification) {
                low_sclk_interrupt_t = cpu_to_be32(pi->low_sclk_interrupt_t);

                ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                           pi->dpm_table_start +
                                           offsetof(SMU7_Fusion_DpmTable, LowSclkInterruptT),
                                           (u8 *)&low_sclk_interrupt_t,
                                           sizeof(u32), pi->sram_end);
        }
        return ret;
}

static int kv_program_bootup_state(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 i;
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;

        if (table && table->count) {
                for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
                        if (table->entries[i].clk == pi->boot_pl.sclk)
                                break;
                }

                pi->graphics_boot_level = (u8)i;
                kv_dpm_power_level_enable(adev, i, true);
        } else {
                struct sumo_sclk_voltage_mapping_table *table =
                        &pi->sys_info.sclk_voltage_mapping_table;

                if (table->num_max_dpm_entries == 0)
                        return -EINVAL;

                for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
                        if (table->entries[i].sclk_frequency == pi->boot_pl.sclk)
                                break;
                }

                pi->graphics_boot_level = (u8)i;
                kv_dpm_power_level_enable(adev, i, true);
        }
        return 0;
}

static int kv_enable_auto_thermal_throttling(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret;

        pi->graphics_therm_throttle_enable = 1;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, GraphicsThermThrottleEnable),
                                   &pi->graphics_therm_throttle_enable,
                                   sizeof(u8), pi->sram_end);

        return ret;
}

static int kv_upload_dpm_settings(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, GraphicsLevel),
                                   (u8 *)&pi->graphics_level,
                                   sizeof(SMU7_Fusion_GraphicsLevel) * SMU7_MAX_LEVELS_GRAPHICS,
                                   pi->sram_end);

        if (ret)
                return ret;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, GraphicsDpmLevelCount),
                                   &pi->graphics_dpm_level_count,
                                   sizeof(u8), pi->sram_end);

        return ret;
}

static u32 kv_get_clock_difference(u32 a, u32 b)
{
        return (a >= b) ? a - b : b - a;
}

static u32 kv_get_clk_bypass(struct amdgpu_device *adev, u32 clk)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 value;

        if (pi->caps_enable_dfs_bypass) {
                if (kv_get_clock_difference(clk, 40000) < 200)
                        value = 3;
                else if (kv_get_clock_difference(clk, 30000) < 200)
                        value = 2;
                else if (kv_get_clock_difference(clk, 20000) < 200)
                        value = 7;
                else if (kv_get_clock_difference(clk, 15000) < 200)
                        value = 6;
                else if (kv_get_clock_difference(clk, 10000) < 200)
                        value = 8;
                else
                        value = 0;
        } else {
                value = 0;
        }

        return value;
}

static int kv_populate_uvd_table(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_uvd_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
        struct atom_clock_dividers dividers;
        int ret;
        u32 i;

        if (table == NULL || table->count == 0)
                return 0;

        pi->uvd_level_count = 0;
        for (i = 0; i < table->count; i++) {
                if (pi->high_voltage_t &&
                    (pi->high_voltage_t < table->entries[i].v))
                        break;

                pi->uvd_level[i].VclkFrequency = cpu_to_be32(table->entries[i].vclk);
                pi->uvd_level[i].DclkFrequency = cpu_to_be32(table->entries[i].dclk);
                pi->uvd_level[i].MinVddNb = cpu_to_be16(table->entries[i].v);

                pi->uvd_level[i].VClkBypassCntl =
                        (u8)kv_get_clk_bypass(adev, table->entries[i].vclk);
                pi->uvd_level[i].DClkBypassCntl =
                        (u8)kv_get_clk_bypass(adev, table->entries[i].dclk);

                ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
                                                         table->entries[i].vclk, false, &dividers);
                if (ret)
                        return ret;
                pi->uvd_level[i].VclkDivider = (u8)dividers.post_div;

                ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
                                                         table->entries[i].dclk, false, &dividers);
                if (ret)
                        return ret;
                pi->uvd_level[i].DclkDivider = (u8)dividers.post_div;

                pi->uvd_level_count++;
        }

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, UvdLevelCount),
                                   (u8 *)&pi->uvd_level_count,
                                   sizeof(u8), pi->sram_end);
        if (ret)
                return ret;

        pi->uvd_interval = 1;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, UVDInterval),
                                   &pi->uvd_interval,
                                   sizeof(u8), pi->sram_end);
        if (ret)
                return ret;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, UvdLevel),
                                   (u8 *)&pi->uvd_level,
                                   sizeof(SMU7_Fusion_UvdLevel) * SMU7_MAX_LEVELS_UVD,
                                   pi->sram_end);

        return ret;

}

static int kv_populate_vce_table(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret;
        u32 i;
        struct amdgpu_vce_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
        struct atom_clock_dividers dividers;

        if (table == NULL || table->count == 0)
                return 0;

        pi->vce_level_count = 0;
        for (i = 0; i < table->count; i++) {
                if (pi->high_voltage_t &&
                    pi->high_voltage_t < table->entries[i].v)
                        break;

                pi->vce_level[i].Frequency = cpu_to_be32(table->entries[i].evclk);
                pi->vce_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);

                pi->vce_level[i].ClkBypassCntl =
                        (u8)kv_get_clk_bypass(adev, table->entries[i].evclk);

                ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
                                                         table->entries[i].evclk, false, &dividers);

                if (ret)
                        return ret;
                pi->vce_level[i].Divider = (u8)dividers.post_div;

                pi->vce_level_count++;
        }

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, VceLevelCount),
                                   (u8 *)&pi->vce_level_count,
                                   sizeof(u8),
                                   pi->sram_end);
        if (ret)
                return ret;

        pi->vce_interval = 1;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, VCEInterval),
                                   (u8 *)&pi->vce_interval,
                                   sizeof(u8),
                                   pi->sram_end);
        if (ret)
                return ret;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, VceLevel),
                                   (u8 *)&pi->vce_level,
                                   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_VCE,
                                   pi->sram_end);

        return ret;
}

static int kv_populate_samu_table(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
        struct atom_clock_dividers dividers;
        int ret;
        u32 i;

        if (table == NULL || table->count == 0)
                return 0;

        pi->samu_level_count = 0;
        for (i = 0; i < table->count; i++) {
                if (pi->high_voltage_t &&
                    pi->high_voltage_t < table->entries[i].v)
                        break;

                pi->samu_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
                pi->samu_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);

                pi->samu_level[i].ClkBypassCntl =
                        (u8)kv_get_clk_bypass(adev, table->entries[i].clk);

                ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
                                                         table->entries[i].clk, false, &dividers);
                if (ret)
                        return ret;
                pi->samu_level[i].Divider = (u8)dividers.post_div;

                pi->samu_level_count++;
        }

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, SamuLevelCount),
                                   (u8 *)&pi->samu_level_count,
                                   sizeof(u8),
                                   pi->sram_end);
        if (ret)
                return ret;

        pi->samu_interval = 1;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, SAMUInterval),
                                   (u8 *)&pi->samu_interval,
                                   sizeof(u8),
                                   pi->sram_end);
        if (ret)
                return ret;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, SamuLevel),
                                   (u8 *)&pi->samu_level,
                                   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_SAMU,
                                   pi->sram_end);
        if (ret)
                return ret;

        return ret;
}


static int kv_populate_acp_table(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
        struct atom_clock_dividers dividers;
        int ret;
        u32 i;

        if (table == NULL || table->count == 0)
                return 0;

        pi->acp_level_count = 0;
        for (i = 0; i < table->count; i++) {
                pi->acp_level[i].Frequency = cpu_to_be32(table->entries[i].clk);
                pi->acp_level[i].MinVoltage = cpu_to_be16(table->entries[i].v);

                ret = amdgpu_atombios_get_clock_dividers(adev, COMPUTE_ENGINE_PLL_PARAM,
                                                         table->entries[i].clk, false, &dividers);
                if (ret)
                        return ret;
                pi->acp_level[i].Divider = (u8)dividers.post_div;

                pi->acp_level_count++;
        }

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, AcpLevelCount),
                                   (u8 *)&pi->acp_level_count,
                                   sizeof(u8),
                                   pi->sram_end);
        if (ret)
                return ret;

        pi->acp_interval = 1;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, ACPInterval),
                                   (u8 *)&pi->acp_interval,
                                   sizeof(u8),
                                   pi->sram_end);
        if (ret)
                return ret;

        ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                   pi->dpm_table_start +
                                   offsetof(SMU7_Fusion_DpmTable, AcpLevel),
                                   (u8 *)&pi->acp_level,
                                   sizeof(SMU7_Fusion_ExtClkLevel) * SMU7_MAX_LEVELS_ACP,
                                   pi->sram_end);
        if (ret)
                return ret;

        return ret;
}

static void kv_calculate_dfs_bypass_settings(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 i;
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;

        if (table && table->count) {
                for (i = 0; i < pi->graphics_dpm_level_count; i++) {
                        if (pi->caps_enable_dfs_bypass) {
                                if (kv_get_clock_difference(table->entries[i].clk, 40000) < 200)
                                        pi->graphics_level[i].ClkBypassCntl = 3;
                                else if (kv_get_clock_difference(table->entries[i].clk, 30000) < 200)
                                        pi->graphics_level[i].ClkBypassCntl = 2;
                                else if (kv_get_clock_difference(table->entries[i].clk, 26600) < 200)
                                        pi->graphics_level[i].ClkBypassCntl = 7;
                                else if (kv_get_clock_difference(table->entries[i].clk , 20000) < 200)
                                        pi->graphics_level[i].ClkBypassCntl = 6;
                                else if (kv_get_clock_difference(table->entries[i].clk , 10000) < 200)
                                        pi->graphics_level[i].ClkBypassCntl = 8;
                                else
                                        pi->graphics_level[i].ClkBypassCntl = 0;
                        } else {
                                pi->graphics_level[i].ClkBypassCntl = 0;
                        }
                }
        } else {
                struct sumo_sclk_voltage_mapping_table *table =
                        &pi->sys_info.sclk_voltage_mapping_table;
                for (i = 0; i < pi->graphics_dpm_level_count; i++) {
                        if (pi->caps_enable_dfs_bypass) {
                                if (kv_get_clock_difference(table->entries[i].sclk_frequency, 40000) < 200)
                                        pi->graphics_level[i].ClkBypassCntl = 3;
                                else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 30000) < 200)
                                        pi->graphics_level[i].ClkBypassCntl = 2;
                                else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 26600) < 200)
                                        pi->graphics_level[i].ClkBypassCntl = 7;
                                else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 20000) < 200)
                                        pi->graphics_level[i].ClkBypassCntl = 6;
                                else if (kv_get_clock_difference(table->entries[i].sclk_frequency, 10000) < 200)
                                        pi->graphics_level[i].ClkBypassCntl = 8;
                                else
                                        pi->graphics_level[i].ClkBypassCntl = 0;
                        } else {
                                pi->graphics_level[i].ClkBypassCntl = 0;
                        }
                }
        }
}

static int kv_enable_ulv(struct amdgpu_device *adev, bool enable)
{
        return amdgpu_kv_notify_message_to_smu(adev, enable ?
                                        PPSMC_MSG_EnableULV : PPSMC_MSG_DisableULV);
}

static void kv_reset_acp_boot_level(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        pi->acp_boot_level = 0xff;
}

static void kv_update_current_ps(struct amdgpu_device *adev,
                                 struct amdgpu_ps *rps)
{
        struct kv_ps *new_ps = kv_get_ps(rps);
        struct kv_power_info *pi = kv_get_pi(adev);

        pi->current_rps = *rps;
        pi->current_ps = *new_ps;
        pi->current_rps.ps_priv = &pi->current_ps;
        adev->pm.dpm.current_ps = &pi->current_rps;
}

static void kv_update_requested_ps(struct amdgpu_device *adev,
                                   struct amdgpu_ps *rps)
{
        struct kv_ps *new_ps = kv_get_ps(rps);
        struct kv_power_info *pi = kv_get_pi(adev);

        pi->requested_rps = *rps;
        pi->requested_ps = *new_ps;
        pi->requested_rps.ps_priv = &pi->requested_ps;
        adev->pm.dpm.requested_ps = &pi->requested_rps;
}

static void kv_dpm_enable_bapm(void *handle, bool enable)
{
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret;

        if (pi->bapm_enable) {
                ret = amdgpu_kv_smc_bapm_enable(adev, enable);
                if (ret)
                        DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
        }
}

static int kv_dpm_enable(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret;

        ret = kv_process_firmware_header(adev);
        if (ret) {
                DRM_ERROR("kv_process_firmware_header failed\n");
                return ret;
        }
        kv_init_fps_limits(adev);
        kv_init_graphics_levels(adev);
        ret = kv_program_bootup_state(adev);
        if (ret) {
                DRM_ERROR("kv_program_bootup_state failed\n");
                return ret;
        }
        kv_calculate_dfs_bypass_settings(adev);
        ret = kv_upload_dpm_settings(adev);
        if (ret) {
                DRM_ERROR("kv_upload_dpm_settings failed\n");
                return ret;
        }
        ret = kv_populate_uvd_table(adev);
        if (ret) {
                DRM_ERROR("kv_populate_uvd_table failed\n");
                return ret;
        }
        ret = kv_populate_vce_table(adev);
        if (ret) {
                DRM_ERROR("kv_populate_vce_table failed\n");
                return ret;
        }
        ret = kv_populate_samu_table(adev);
        if (ret) {
                DRM_ERROR("kv_populate_samu_table failed\n");
                return ret;
        }
        ret = kv_populate_acp_table(adev);
        if (ret) {
                DRM_ERROR("kv_populate_acp_table failed\n");
                return ret;
        }
        kv_program_vc(adev);
#if 0
        kv_initialize_hardware_cac_manager(adev);
#endif
        kv_start_am(adev);
        if (pi->enable_auto_thermal_throttling) {
                ret = kv_enable_auto_thermal_throttling(adev);
                if (ret) {
                        DRM_ERROR("kv_enable_auto_thermal_throttling failed\n");
                        return ret;
                }
        }
        ret = kv_enable_dpm_voltage_scaling(adev);
        if (ret) {
                DRM_ERROR("kv_enable_dpm_voltage_scaling failed\n");
                return ret;
        }
        ret = kv_set_dpm_interval(adev);
        if (ret) {
                DRM_ERROR("kv_set_dpm_interval failed\n");
                return ret;
        }
        ret = kv_set_dpm_boot_state(adev);
        if (ret) {
                DRM_ERROR("kv_set_dpm_boot_state failed\n");
                return ret;
        }
        ret = kv_enable_ulv(adev, true);
        if (ret) {
                DRM_ERROR("kv_enable_ulv failed\n");
                return ret;
        }
        kv_start_dpm(adev);
        ret = kv_enable_didt(adev, true);
        if (ret) {
                DRM_ERROR("kv_enable_didt failed\n");
                return ret;
        }
        ret = kv_enable_smc_cac(adev, true);
        if (ret) {
                DRM_ERROR("kv_enable_smc_cac failed\n");
                return ret;
        }

        kv_reset_acp_boot_level(adev);

        ret = amdgpu_kv_smc_bapm_enable(adev, false);
        if (ret) {
                DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
                return ret;
        }

        kv_update_current_ps(adev, adev->pm.dpm.boot_ps);

        if (adev->irq.installed &&
            amdgpu_is_internal_thermal_sensor(adev->pm.int_thermal_type)) {
                ret = kv_set_thermal_temperature_range(adev, KV_TEMP_RANGE_MIN, KV_TEMP_RANGE_MAX);
                if (ret) {
                        DRM_ERROR("kv_set_thermal_temperature_range failed\n");
                        return ret;
                }
                amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq,
                               AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
                amdgpu_irq_get(adev, &adev->pm.dpm.thermal.irq,
                               AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
        }

        return ret;
}

static void kv_dpm_disable(struct amdgpu_device *adev)
{
        amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
                       AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
        amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
                       AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);

        amdgpu_kv_smc_bapm_enable(adev, false);

        if (adev->asic_type == CHIP_MULLINS)
                kv_enable_nb_dpm(adev, false);

        /* powerup blocks */
        kv_dpm_powergate_acp(adev, false);
        kv_dpm_powergate_samu(adev, false);
        kv_dpm_powergate_vce(adev, false);
        kv_dpm_powergate_uvd(adev, false);

        kv_enable_smc_cac(adev, false);
        kv_enable_didt(adev, false);
        kv_clear_vc(adev);
        kv_stop_dpm(adev);
        kv_enable_ulv(adev, false);
        kv_reset_am(adev);

        kv_update_current_ps(adev, adev->pm.dpm.boot_ps);
}

#if 0
static int kv_write_smc_soft_register(struct amdgpu_device *adev,
                                      u16 reg_offset, u32 value)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        return amdgpu_kv_copy_bytes_to_smc(adev, pi->soft_regs_start + reg_offset,
                                    (u8 *)&value, sizeof(u16), pi->sram_end);
}

static int kv_read_smc_soft_register(struct amdgpu_device *adev,
                                     u16 reg_offset, u32 *value)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        return amdgpu_kv_read_smc_sram_dword(adev, pi->soft_regs_start + reg_offset,
                                      value, pi->sram_end);
}
#endif

static void kv_init_sclk_t(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        pi->low_sclk_interrupt_t = 0;
}

static int kv_init_fps_limits(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret = 0;

        if (pi->caps_fps) {
                u16 tmp;

                tmp = 45;
                pi->fps_high_t = cpu_to_be16(tmp);
                ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                           pi->dpm_table_start +
                                           offsetof(SMU7_Fusion_DpmTable, FpsHighT),
                                           (u8 *)&pi->fps_high_t,
                                           sizeof(u16), pi->sram_end);

                tmp = 30;
                pi->fps_low_t = cpu_to_be16(tmp);

                ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                           pi->dpm_table_start +
                                           offsetof(SMU7_Fusion_DpmTable, FpsLowT),
                                           (u8 *)&pi->fps_low_t,
                                           sizeof(u16), pi->sram_end);

        }
        return ret;
}

static void kv_init_powergate_state(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        pi->uvd_power_gated = false;
        pi->vce_power_gated = false;
        pi->samu_power_gated = false;
        pi->acp_power_gated = false;

}

static int kv_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
{
        return amdgpu_kv_notify_message_to_smu(adev, enable ?
                                        PPSMC_MSG_UVDDPM_Enable : PPSMC_MSG_UVDDPM_Disable);
}

static int kv_enable_vce_dpm(struct amdgpu_device *adev, bool enable)
{
        return amdgpu_kv_notify_message_to_smu(adev, enable ?
                                        PPSMC_MSG_VCEDPM_Enable : PPSMC_MSG_VCEDPM_Disable);
}

static int kv_enable_samu_dpm(struct amdgpu_device *adev, bool enable)
{
        return amdgpu_kv_notify_message_to_smu(adev, enable ?
                                        PPSMC_MSG_SAMUDPM_Enable : PPSMC_MSG_SAMUDPM_Disable);
}

static int kv_enable_acp_dpm(struct amdgpu_device *adev, bool enable)
{
        return amdgpu_kv_notify_message_to_smu(adev, enable ?
                                        PPSMC_MSG_ACPDPM_Enable : PPSMC_MSG_ACPDPM_Disable);
}

static int kv_update_uvd_dpm(struct amdgpu_device *adev, bool gate)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_uvd_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
        int ret;
        u32 mask;

        if (!gate) {
                if (table->count)
                        pi->uvd_boot_level = table->count - 1;
                else
                        pi->uvd_boot_level = 0;

                if (!pi->caps_uvd_dpm || pi->caps_stable_p_state) {
                        mask = 1 << pi->uvd_boot_level;
                } else {
                        mask = 0x1f;
                }

                ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                           pi->dpm_table_start +
                                           offsetof(SMU7_Fusion_DpmTable, UvdBootLevel),
                                           (uint8_t *)&pi->uvd_boot_level,
                                           sizeof(u8), pi->sram_end);
                if (ret)
                        return ret;

                amdgpu_kv_send_msg_to_smc_with_parameter(adev,
                                                  PPSMC_MSG_UVDDPM_SetEnabledMask,
                                                  mask);
        }

        return kv_enable_uvd_dpm(adev, !gate);
}

static u8 kv_get_vce_boot_level(struct amdgpu_device *adev, u32 evclk)
{
        u8 i;
        struct amdgpu_vce_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;

        for (i = 0; i < table->count; i++) {
                if (table->entries[i].evclk >= evclk)
                        break;
        }

        return i;
}

static int kv_update_vce_dpm(struct amdgpu_device *adev,
                             struct amdgpu_ps *amdgpu_new_state,
                             struct amdgpu_ps *amdgpu_current_state)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_vce_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
        int ret;

        if (amdgpu_new_state->evclk > 0 && amdgpu_current_state->evclk == 0) {
                kv_dpm_powergate_vce(adev, false);
                if (pi->caps_stable_p_state)
                        pi->vce_boot_level = table->count - 1;
                else
                        pi->vce_boot_level = kv_get_vce_boot_level(adev, amdgpu_new_state->evclk);

                ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                           pi->dpm_table_start +
                                           offsetof(SMU7_Fusion_DpmTable, VceBootLevel),
                                           (u8 *)&pi->vce_boot_level,
                                           sizeof(u8),
                                           pi->sram_end);
                if (ret)
                        return ret;

                if (pi->caps_stable_p_state)
                        amdgpu_kv_send_msg_to_smc_with_parameter(adev,
                                                          PPSMC_MSG_VCEDPM_SetEnabledMask,
                                                          (1 << pi->vce_boot_level));
                kv_enable_vce_dpm(adev, true);
        } else if (amdgpu_new_state->evclk == 0 && amdgpu_current_state->evclk > 0) {
                kv_enable_vce_dpm(adev, false);
                kv_dpm_powergate_vce(adev, true);
        }

        return 0;
}

static int kv_update_samu_dpm(struct amdgpu_device *adev, bool gate)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
        int ret;

        if (!gate) {
                if (pi->caps_stable_p_state)
                        pi->samu_boot_level = table->count - 1;
                else
                        pi->samu_boot_level = 0;

                ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                           pi->dpm_table_start +
                                           offsetof(SMU7_Fusion_DpmTable, SamuBootLevel),
                                           (u8 *)&pi->samu_boot_level,
                                           sizeof(u8),
                                           pi->sram_end);
                if (ret)
                        return ret;

                if (pi->caps_stable_p_state)
                        amdgpu_kv_send_msg_to_smc_with_parameter(adev,
                                                          PPSMC_MSG_SAMUDPM_SetEnabledMask,
                                                          (1 << pi->samu_boot_level));
        }

        return kv_enable_samu_dpm(adev, !gate);
}

static u8 kv_get_acp_boot_level(struct amdgpu_device *adev)
{
        u8 i;
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;

        for (i = 0; i < table->count; i++) {
                if (table->entries[i].clk >= 0) /* XXX */
                        break;
        }

        if (i >= table->count)
                i = table->count - 1;

        return i;
}

static void kv_update_acp_boot_level(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u8 acp_boot_level;

        if (!pi->caps_stable_p_state) {
                acp_boot_level = kv_get_acp_boot_level(adev);
                if (acp_boot_level != pi->acp_boot_level) {
                        pi->acp_boot_level = acp_boot_level;
                        amdgpu_kv_send_msg_to_smc_with_parameter(adev,
                                                          PPSMC_MSG_ACPDPM_SetEnabledMask,
                                                          (1 << pi->acp_boot_level));
                }
        }
}

static int kv_update_acp_dpm(struct amdgpu_device *adev, bool gate)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
        int ret;

        if (!gate) {
                if (pi->caps_stable_p_state)
                        pi->acp_boot_level = table->count - 1;
                else
                        pi->acp_boot_level = kv_get_acp_boot_level(adev);

                ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                           pi->dpm_table_start +
                                           offsetof(SMU7_Fusion_DpmTable, AcpBootLevel),
                                           (u8 *)&pi->acp_boot_level,
                                           sizeof(u8),
                                           pi->sram_end);
                if (ret)
                        return ret;

                if (pi->caps_stable_p_state)
                        amdgpu_kv_send_msg_to_smc_with_parameter(adev,
                                                          PPSMC_MSG_ACPDPM_SetEnabledMask,
                                                          (1 << pi->acp_boot_level));
        }

        return kv_enable_acp_dpm(adev, !gate);
}

static void kv_dpm_powergate_uvd(void *handle, bool gate)
{
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret;

        pi->uvd_power_gated = gate;

        if (gate) {
                /* stop the UVD block */
                ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
                                                             AMD_PG_STATE_GATE);
                kv_update_uvd_dpm(adev, gate);
                if (pi->caps_uvd_pg)
                        /* power off the UVD block */
                        amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerOFF);
        } else {
                if (pi->caps_uvd_pg)
                        /* power on the UVD block */
                        amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON);
                        /* re-init the UVD block */
                kv_update_uvd_dpm(adev, gate);

                ret = amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
                                                             AMD_PG_STATE_UNGATE);
        }
}

static void kv_dpm_powergate_vce(struct amdgpu_device *adev, bool gate)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        if (pi->vce_power_gated == gate)
                return;

        pi->vce_power_gated = gate;

        if (!pi->caps_vce_pg)
                return;

        if (gate)
                amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerOFF);
        else
                amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_VCEPowerON);
}

static void kv_dpm_powergate_samu(struct amdgpu_device *adev, bool gate)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        if (pi->samu_power_gated == gate)
                return;

        pi->samu_power_gated = gate;

        if (gate) {
                kv_update_samu_dpm(adev, true);
                if (pi->caps_samu_pg)
                        amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerOFF);
        } else {
                if (pi->caps_samu_pg)
                        amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SAMPowerON);
                kv_update_samu_dpm(adev, false);
        }
}

static void kv_dpm_powergate_acp(struct amdgpu_device *adev, bool gate)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        if (pi->acp_power_gated == gate)
                return;

        if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
                return;

        pi->acp_power_gated = gate;

        if (gate) {
                kv_update_acp_dpm(adev, true);
                if (pi->caps_acp_pg)
                        amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerOFF);
        } else {
                if (pi->caps_acp_pg)
                        amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_ACPPowerON);
                kv_update_acp_dpm(adev, false);
        }
}

static void kv_set_valid_clock_range(struct amdgpu_device *adev,
                                     struct amdgpu_ps *new_rps)
{
        struct kv_ps *new_ps = kv_get_ps(new_rps);
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 i;
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;

        if (table && table->count) {
                for (i = 0; i < pi->graphics_dpm_level_count; i++) {
                        if ((table->entries[i].clk >= new_ps->levels[0].sclk) ||
                            (i == (pi->graphics_dpm_level_count - 1))) {
                                pi->lowest_valid = i;
                                break;
                        }
                }

                for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
                        if (table->entries[i].clk <= new_ps->levels[new_ps->num_levels - 1].sclk)
                                break;
                }
                pi->highest_valid = i;

                if (pi->lowest_valid > pi->highest_valid) {
                        if ((new_ps->levels[0].sclk - table->entries[pi->highest_valid].clk) >
                            (table->entries[pi->lowest_valid].clk - new_ps->levels[new_ps->num_levels - 1].sclk))
                                pi->highest_valid = pi->lowest_valid;
                        else
                                pi->lowest_valid =  pi->highest_valid;
                }
        } else {
                struct sumo_sclk_voltage_mapping_table *table =
                        &pi->sys_info.sclk_voltage_mapping_table;

                for (i = 0; i < (int)pi->graphics_dpm_level_count; i++) {
                        if (table->entries[i].sclk_frequency >= new_ps->levels[0].sclk ||
                            i == (int)(pi->graphics_dpm_level_count - 1)) {
                                pi->lowest_valid = i;
                                break;
                        }
                }

                for (i = pi->graphics_dpm_level_count - 1; i > 0; i--) {
                        if (table->entries[i].sclk_frequency <=
                            new_ps->levels[new_ps->num_levels - 1].sclk)
                                break;
                }
                pi->highest_valid = i;

                if (pi->lowest_valid > pi->highest_valid) {
                        if ((new_ps->levels[0].sclk -
                             table->entries[pi->highest_valid].sclk_frequency) >
                            (table->entries[pi->lowest_valid].sclk_frequency -
                             new_ps->levels[new_ps->num_levels -1].sclk))
                                pi->highest_valid = pi->lowest_valid;
                        else
                                pi->lowest_valid =  pi->highest_valid;
                }
        }
}

static int kv_update_dfs_bypass_settings(struct amdgpu_device *adev,
                                         struct amdgpu_ps *new_rps)
{
        struct kv_ps *new_ps = kv_get_ps(new_rps);
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret = 0;
        u8 clk_bypass_cntl;

        if (pi->caps_enable_dfs_bypass) {
                clk_bypass_cntl = new_ps->need_dfs_bypass ?
                        pi->graphics_level[pi->graphics_boot_level].ClkBypassCntl : 0;
                ret = amdgpu_kv_copy_bytes_to_smc(adev,
                                           (pi->dpm_table_start +
                                            offsetof(SMU7_Fusion_DpmTable, GraphicsLevel) +
                                            (pi->graphics_boot_level * sizeof(SMU7_Fusion_GraphicsLevel)) +
                                            offsetof(SMU7_Fusion_GraphicsLevel, ClkBypassCntl)),
                                           &clk_bypass_cntl,
                                           sizeof(u8), pi->sram_end);
        }

        return ret;
}

static int kv_enable_nb_dpm(struct amdgpu_device *adev,
                            bool enable)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        int ret = 0;

        if (enable) {
                if (pi->enable_nb_dpm && !pi->nb_dpm_enabled) {
                        ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Enable);
                        if (ret == 0)
                                pi->nb_dpm_enabled = true;
                }
        } else {
                if (pi->enable_nb_dpm && pi->nb_dpm_enabled) {
                        ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_NBDPM_Disable);
                        if (ret == 0)
                                pi->nb_dpm_enabled = false;
                }
        }

        return ret;
}

static int kv_dpm_force_performance_level(void *handle,
                                          enum amd_dpm_forced_level level)
{
        int ret;
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;

        if (level == AMD_DPM_FORCED_LEVEL_HIGH) {
                ret = kv_force_dpm_highest(adev);
                if (ret)
                        return ret;
        } else if (level == AMD_DPM_FORCED_LEVEL_LOW) {
                ret = kv_force_dpm_lowest(adev);
                if (ret)
                        return ret;
        } else if (level == AMD_DPM_FORCED_LEVEL_AUTO) {
                ret = kv_unforce_levels(adev);
                if (ret)
                        return ret;
        }

        adev->pm.dpm.forced_level = level;

        return 0;
}

static int kv_dpm_pre_set_power_state(void *handle)
{
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_ps requested_ps = *adev->pm.dpm.requested_ps;
        struct amdgpu_ps *new_ps = &requested_ps;

        kv_update_requested_ps(adev, new_ps);

        kv_apply_state_adjust_rules(adev,
                                    &pi->requested_rps,
                                    &pi->current_rps);

        return 0;
}

static int kv_dpm_set_power_state(void *handle)
{
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_ps *new_ps = &pi->requested_rps;
        struct amdgpu_ps *old_ps = &pi->current_rps;
        int ret;

        if (pi->bapm_enable) {
                ret = amdgpu_kv_smc_bapm_enable(adev, adev->pm.dpm.ac_power);
                if (ret) {
                        DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
                        return ret;
                }
        }

        if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
                if (pi->enable_dpm) {
                        kv_set_valid_clock_range(adev, new_ps);
                        kv_update_dfs_bypass_settings(adev, new_ps);
                        ret = kv_calculate_ds_divider(adev);
                        if (ret) {
                                DRM_ERROR("kv_calculate_ds_divider failed\n");
                                return ret;
                        }
                        kv_calculate_nbps_level_settings(adev);
                        kv_calculate_dpm_settings(adev);
                        kv_force_lowest_valid(adev);
                        kv_enable_new_levels(adev);
                        kv_upload_dpm_settings(adev);
                        kv_program_nbps_index_settings(adev, new_ps);
                        kv_unforce_levels(adev);
                        kv_set_enabled_levels(adev);
                        kv_force_lowest_valid(adev);
                        kv_unforce_levels(adev);

                        ret = kv_update_vce_dpm(adev, new_ps, old_ps);
                        if (ret) {
                                DRM_ERROR("kv_update_vce_dpm failed\n");
                                return ret;
                        }
                        kv_update_sclk_t(adev);
                        if (adev->asic_type == CHIP_MULLINS)
                                kv_enable_nb_dpm(adev, true);
                }
        } else {
                if (pi->enable_dpm) {
                        kv_set_valid_clock_range(adev, new_ps);
                        kv_update_dfs_bypass_settings(adev, new_ps);
                        ret = kv_calculate_ds_divider(adev);
                        if (ret) {
                                DRM_ERROR("kv_calculate_ds_divider failed\n");
                                return ret;
                        }
                        kv_calculate_nbps_level_settings(adev);
                        kv_calculate_dpm_settings(adev);
                        kv_freeze_sclk_dpm(adev, true);
                        kv_upload_dpm_settings(adev);
                        kv_program_nbps_index_settings(adev, new_ps);
                        kv_freeze_sclk_dpm(adev, false);
                        kv_set_enabled_levels(adev);
                        ret = kv_update_vce_dpm(adev, new_ps, old_ps);
                        if (ret) {
                                DRM_ERROR("kv_update_vce_dpm failed\n");
                                return ret;
                        }
                        kv_update_acp_boot_level(adev);
                        kv_update_sclk_t(adev);
                        kv_enable_nb_dpm(adev, true);
                }
        }

        return 0;
}

static void kv_dpm_post_set_power_state(void *handle)
{
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_ps *new_ps = &pi->requested_rps;

        kv_update_current_ps(adev, new_ps);
}

static void kv_dpm_setup_asic(struct amdgpu_device *adev)
{

        sumo_take_smu_control(adev, true);
        kv_init_powergate_state(adev);
        kv_init_sclk_t(adev);
}

#if 0
static void kv_dpm_reset_asic(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
                kv_force_lowest_valid(adev);
                kv_init_graphics_levels(adev);
                kv_program_bootup_state(adev);
                kv_upload_dpm_settings(adev);
                kv_force_lowest_valid(adev);
                kv_unforce_levels(adev);
        } else {
                kv_init_graphics_levels(adev);
                kv_program_bootup_state(adev);
                kv_freeze_sclk_dpm(adev, true);
                kv_upload_dpm_settings(adev);
                kv_freeze_sclk_dpm(adev, false);
                kv_set_enabled_level(adev, pi->graphics_boot_level);
        }
}
#endif

static void kv_construct_max_power_limits_table(struct amdgpu_device *adev,
                                                struct amdgpu_clock_and_voltage_limits *table)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        if (pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries > 0) {
                int idx = pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries - 1;
                table->sclk =
                        pi->sys_info.sclk_voltage_mapping_table.entries[idx].sclk_frequency;
                table->vddc =
                        kv_convert_2bit_index_to_voltage(adev,
                                                         pi->sys_info.sclk_voltage_mapping_table.entries[idx].vid_2bit);
        }

        table->mclk = pi->sys_info.nbp_memory_clock[0];
}

static void kv_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 *samu_table =
                &adev->pm.dpm.dyn_state.samu_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 =
                                kv_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 =
                                kv_convert_8bit_index_to_voltage(adev,
                                                                 vce_table->entries[i].v);
        }

        if (samu_table->count) {
                for (i = 0; i < samu_table->count; i++)
                        samu_table->entries[i].v =
                                kv_convert_8bit_index_to_voltage(adev,
                                                                 samu_table->entries[i].v);
        }

        if (acp_table->count) {
                for (i = 0; i < acp_table->count; i++)
                        acp_table->entries[i].v =
                                kv_convert_8bit_index_to_voltage(adev,
                                                                 acp_table->entries[i].v);
        }

}

static void kv_construct_boot_state(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_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 int kv_force_dpm_highest(struct amdgpu_device *adev)
{
        int ret;
        u32 enable_mask, i;

        ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
        if (ret)
                return ret;

        for (i = SMU7_MAX_LEVELS_GRAPHICS - 1; i > 0; i--) {
                if (enable_mask & (1 << i))
                        break;
        }

        if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
                return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
        else
                return kv_set_enabled_level(adev, i);
}

static int kv_force_dpm_lowest(struct amdgpu_device *adev)
{
        int ret;
        u32 enable_mask, i;

        ret = amdgpu_kv_dpm_get_enable_mask(adev, &enable_mask);
        if (ret)
                return ret;

        for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
                if (enable_mask & (1 << i))
                        break;
        }

        if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
                return amdgpu_kv_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DPM_ForceState, i);
        else
                return kv_set_enabled_level(adev, i);
}

static u8 kv_get_sleep_divider_id_from_clock(struct amdgpu_device *adev,
                                             u32 sclk, u32 min_sclk_in_sr)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 i;
        u32 temp;
        u32 min = max(min_sclk_in_sr, (u32)KV_MINIMUM_ENGINE_CLOCK);

        if (sclk < min)
                return 0;

        if (!pi->caps_sclk_ds)
                return 0;

        for (i = KV_MAX_DEEPSLEEP_DIVIDER_ID; i > 0; i--) {
                temp = sclk >> i;
                if (temp >= min)
                        break;
        }

        return (u8)i;
}

static int kv_get_high_voltage_limit(struct amdgpu_device *adev, int *limit)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
        int i;

        if (table && table->count) {
                for (i = table->count - 1; i >= 0; i--) {
                        if (pi->high_voltage_t &&
                            (kv_convert_8bit_index_to_voltage(adev, table->entries[i].v) <=
                             pi->high_voltage_t)) {
                                *limit = i;
                                return 0;
                        }
                }
        } else {
                struct sumo_sclk_voltage_mapping_table *table =
                        &pi->sys_info.sclk_voltage_mapping_table;

                for (i = table->num_max_dpm_entries - 1; i >= 0; i--) {
                        if (pi->high_voltage_t &&
                            (kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit) <=
                             pi->high_voltage_t)) {
                                *limit = i;
                                return 0;
                        }
                }
        }

        *limit = 0;
        return 0;
}

static void kv_apply_state_adjust_rules(struct amdgpu_device *adev,
                                        struct amdgpu_ps *new_rps,
                                        struct amdgpu_ps *old_rps)
{
        struct kv_ps *ps = kv_get_ps(new_rps);
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 min_sclk = 10000; /* ??? */
        u32 sclk, mclk = 0;
        int i, limit;
        bool force_high;
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
        u32 stable_p_state_sclk = 0;
        struct amdgpu_clock_and_voltage_limits *max_limits =
                &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;

        if (new_rps->vce_active) {
                new_rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk;
                new_rps->ecclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].ecclk;
        } else {
                new_rps->evclk = 0;
                new_rps->ecclk = 0;
        }

        mclk = max_limits->mclk;
        sclk = min_sclk;

        if (pi->caps_stable_p_state) {
                stable_p_state_sclk = (max_limits->sclk * 75) / 100;

                for (i = table->count - 1; i >= 0; i--) {
                        if (stable_p_state_sclk >= table->entries[i].clk) {
                                stable_p_state_sclk = table->entries[i].clk;
                                break;
                        }
                }

                if (i > 0)
                        stable_p_state_sclk = table->entries[0].clk;

                sclk = stable_p_state_sclk;
        }

        if (new_rps->vce_active) {
                if (sclk < adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk)
                        sclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].sclk;
        }

        ps->need_dfs_bypass = true;

        for (i = 0; i < ps->num_levels; i++) {
                if (ps->levels[i].sclk < sclk)
                        ps->levels[i].sclk = sclk;
        }

        if (table && table->count) {
                for (i = 0; i < ps->num_levels; i++) {
                        if (pi->high_voltage_t &&
                            (pi->high_voltage_t <
                             kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
                                kv_get_high_voltage_limit(adev, &limit);
                                ps->levels[i].sclk = table->entries[limit].clk;
                        }
                }
        } else {
                struct sumo_sclk_voltage_mapping_table *table =
                        &pi->sys_info.sclk_voltage_mapping_table;

                for (i = 0; i < ps->num_levels; i++) {
                        if (pi->high_voltage_t &&
                            (pi->high_voltage_t <
                             kv_convert_8bit_index_to_voltage(adev, ps->levels[i].vddc_index))) {
                                kv_get_high_voltage_limit(adev, &limit);
                                ps->levels[i].sclk = table->entries[limit].sclk_frequency;
                        }
                }
        }

        if (pi->caps_stable_p_state) {
                for (i = 0; i < ps->num_levels; i++) {
                        ps->levels[i].sclk = stable_p_state_sclk;
                }
        }

        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 (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
                ps->dpm0_pg_nb_ps_lo = 0x1;
                ps->dpm0_pg_nb_ps_hi = 0x0;
                ps->dpmx_nb_ps_lo = 0x1;
                ps->dpmx_nb_ps_hi = 0x0;
        } else {
                ps->dpm0_pg_nb_ps_lo = 0x3;
                ps->dpm0_pg_nb_ps_hi = 0x0;
                ps->dpmx_nb_ps_lo = 0x3;
                ps->dpmx_nb_ps_hi = 0x0;

                if (pi->sys_info.nb_dpm_enable) {
                        force_high = (mclk >= pi->sys_info.nbp_memory_clock[3]) ||
                                pi->video_start || (adev->pm.dpm.new_active_crtc_count >= 3) ||
                                pi->disable_nb_ps3_in_battery;
                        ps->dpm0_pg_nb_ps_lo = force_high ? 0x2 : 0x3;
                        ps->dpm0_pg_nb_ps_hi = 0x2;
                        ps->dpmx_nb_ps_lo = force_high ? 0x2 : 0x3;
                        ps->dpmx_nb_ps_hi = 0x2;
                }
        }
}

static void kv_dpm_power_level_enabled_for_throttle(struct amdgpu_device *adev,
                                                    u32 index, bool enable)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        pi->graphics_level[index].EnabledForThrottle = enable ? 1 : 0;
}

static int kv_calculate_ds_divider(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 sclk_in_sr = 10000; /* ??? */
        u32 i;

        if (pi->lowest_valid > pi->highest_valid)
                return -EINVAL;

        for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
                pi->graphics_level[i].DeepSleepDivId =
                        kv_get_sleep_divider_id_from_clock(adev,
                                                           be32_to_cpu(pi->graphics_level[i].SclkFrequency),
                                                           sclk_in_sr);
        }
        return 0;
}

static int kv_calculate_nbps_level_settings(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 i;
        bool force_high;
        struct amdgpu_clock_and_voltage_limits *max_limits =
                &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
        u32 mclk = max_limits->mclk;

        if (pi->lowest_valid > pi->highest_valid)
                return -EINVAL;

        if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS) {
                for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
                        pi->graphics_level[i].GnbSlow = 1;
                        pi->graphics_level[i].ForceNbPs1 = 0;
                        pi->graphics_level[i].UpH = 0;
                }

                if (!pi->sys_info.nb_dpm_enable)
                        return 0;

                force_high = ((mclk >= pi->sys_info.nbp_memory_clock[3]) ||
                              (adev->pm.dpm.new_active_crtc_count >= 3) || pi->video_start);

                if (force_high) {
                        for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
                                pi->graphics_level[i].GnbSlow = 0;
                } else {
                        if (pi->battery_state)
                                pi->graphics_level[0].ForceNbPs1 = 1;

                        pi->graphics_level[1].GnbSlow = 0;
                        pi->graphics_level[2].GnbSlow = 0;
                        pi->graphics_level[3].GnbSlow = 0;
                        pi->graphics_level[4].GnbSlow = 0;
                }
        } else {
                for (i = pi->lowest_valid; i <= pi->highest_valid; i++) {
                        pi->graphics_level[i].GnbSlow = 1;
                        pi->graphics_level[i].ForceNbPs1 = 0;
                        pi->graphics_level[i].UpH = 0;
                }

                if (pi->sys_info.nb_dpm_enable && pi->battery_state) {
                        pi->graphics_level[pi->lowest_valid].UpH = 0x28;
                        pi->graphics_level[pi->lowest_valid].GnbSlow = 0;
                        if (pi->lowest_valid != pi->highest_valid)
                                pi->graphics_level[pi->lowest_valid].ForceNbPs1 = 1;
                }
        }
        return 0;
}

static int kv_calculate_dpm_settings(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 i;

        if (pi->lowest_valid > pi->highest_valid)
                return -EINVAL;

        for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
                pi->graphics_level[i].DisplayWatermark = (i == pi->highest_valid) ? 1 : 0;

        return 0;
}

static void kv_init_graphics_levels(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 i;
        struct amdgpu_clock_voltage_dependency_table *table =
                &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk;

        if (table && table->count) {
                u32 vid_2bit;

                pi->graphics_dpm_level_count = 0;
                for (i = 0; i < table->count; i++) {
                        if (pi->high_voltage_t &&
                            (pi->high_voltage_t <
                             kv_convert_8bit_index_to_voltage(adev, table->entries[i].v)))
                                break;

                        kv_set_divider_value(adev, i, table->entries[i].clk);
                        vid_2bit = kv_convert_vid7_to_vid2(adev,
                                                           &pi->sys_info.vid_mapping_table,
                                                           table->entries[i].v);
                        kv_set_vid(adev, i, vid_2bit);
                        kv_set_at(adev, i, pi->at[i]);
                        kv_dpm_power_level_enabled_for_throttle(adev, i, true);
                        pi->graphics_dpm_level_count++;
                }
        } else {
                struct sumo_sclk_voltage_mapping_table *table =
                        &pi->sys_info.sclk_voltage_mapping_table;

                pi->graphics_dpm_level_count = 0;
                for (i = 0; i < table->num_max_dpm_entries; i++) {
                        if (pi->high_voltage_t &&
                            pi->high_voltage_t <
                            kv_convert_2bit_index_to_voltage(adev, table->entries[i].vid_2bit))
                                break;

                        kv_set_divider_value(adev, i, table->entries[i].sclk_frequency);
                        kv_set_vid(adev, i, table->entries[i].vid_2bit);
                        kv_set_at(adev, i, pi->at[i]);
                        kv_dpm_power_level_enabled_for_throttle(adev, i, true);
                        pi->graphics_dpm_level_count++;
                }
        }

        for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++)
                kv_dpm_power_level_enable(adev, i, false);
}

static void kv_enable_new_levels(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 i;

        for (i = 0; i < SMU7_MAX_LEVELS_GRAPHICS; i++) {
                if (i >= pi->lowest_valid && i <= pi->highest_valid)
                        kv_dpm_power_level_enable(adev, i, true);
        }
}

static int kv_set_enabled_level(struct amdgpu_device *adev, u32 level)
{
        u32 new_mask = (1 << level);

        return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
                                                 PPSMC_MSG_SCLKDPM_SetEnabledMask,
                                                 new_mask);
}

static int kv_set_enabled_levels(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 i, new_mask = 0;

        for (i = pi->lowest_valid; i <= pi->highest_valid; i++)
                new_mask |= (1 << i);

        return amdgpu_kv_send_msg_to_smc_with_parameter(adev,
                                                 PPSMC_MSG_SCLKDPM_SetEnabledMask,
                                                 new_mask);
}

static void kv_program_nbps_index_settings(struct amdgpu_device *adev,
                                           struct amdgpu_ps *new_rps)
{
        struct kv_ps *new_ps = kv_get_ps(new_rps);
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 nbdpmconfig1;

        if (adev->asic_type == CHIP_KABINI || adev->asic_type == CHIP_MULLINS)
                return;

        if (pi->sys_info.nb_dpm_enable) {
                nbdpmconfig1 = RREG32_SMC(ixNB_DPM_CONFIG_1);
                nbdpmconfig1 &= ~(NB_DPM_CONFIG_1__Dpm0PgNbPsLo_MASK |
                                NB_DPM_CONFIG_1__Dpm0PgNbPsHi_MASK |
                                NB_DPM_CONFIG_1__DpmXNbPsLo_MASK |
                                NB_DPM_CONFIG_1__DpmXNbPsHi_MASK);
                nbdpmconfig1 |= (new_ps->dpm0_pg_nb_ps_lo << NB_DPM_CONFIG_1__Dpm0PgNbPsLo__SHIFT) |
                                (new_ps->dpm0_pg_nb_ps_hi << NB_DPM_CONFIG_1__Dpm0PgNbPsHi__SHIFT) |
                                (new_ps->dpmx_nb_ps_lo << NB_DPM_CONFIG_1__DpmXNbPsLo__SHIFT) |
                                (new_ps->dpmx_nb_ps_hi << NB_DPM_CONFIG_1__DpmXNbPsHi__SHIFT);
                WREG32_SMC(ixNB_DPM_CONFIG_1, nbdpmconfig1);
        }
}

static int kv_set_thermal_temperature_range(struct amdgpu_device *adev,
                                            int min_temp, int max_temp)
{
        int low_temp = 0 * 1000;
        int high_temp = 255 * 1000;
        u32 tmp;

        if (low_temp < min_temp)
                low_temp = min_temp;
        if (high_temp > max_temp)
                high_temp = max_temp;
        if (high_temp < low_temp) {
                DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
                return -EINVAL;
        }

        tmp = RREG32_SMC(ixCG_THERMAL_INT_CTRL);
        tmp &= ~(CG_THERMAL_INT_CTRL__DIG_THERM_INTH_MASK |
                CG_THERMAL_INT_CTRL__DIG_THERM_INTL_MASK);
        tmp |= ((49 + (high_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTH__SHIFT) |
                ((49 + (low_temp / 1000)) << CG_THERMAL_INT_CTRL__DIG_THERM_INTL__SHIFT);
        WREG32_SMC(ixCG_THERMAL_INT_CTRL, tmp);

        adev->pm.dpm.thermal.min_temp = low_temp;
        adev->pm.dpm.thermal.max_temp = high_temp;

        return 0;
}

union igp_info {
        struct _ATOM_INTEGRATED_SYSTEM_INFO info;
        struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
        struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5;
        struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
        struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
        struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
};

static int kv_parse_sys_info_table(struct amdgpu_device *adev)
{
        struct kv_power_info *pi = kv_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;

        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 != 8) {
                        DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
                        return -EINVAL;
                }
                pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_8.ulBootUpEngineClock);
                pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_8.ulBootUpUMAClock);
                pi->sys_info.bootup_nb_voltage_index =
                        le16_to_cpu(igp_info->info_8.usBootUpNBVoltage);
                if (igp_info->info_8.ucHtcTmpLmt == 0)
                        pi->sys_info.htc_tmp_lmt = 203;
                else
                        pi->sys_info.htc_tmp_lmt = igp_info->info_8.ucHtcTmpLmt;
                if (igp_info->info_8.ucHtcHystLmt == 0)
                        pi->sys_info.htc_hyst_lmt = 5;
                else
                        pi->sys_info.htc_hyst_lmt = igp_info->info_8.ucHtcHystLmt;
                if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
                        DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
                }

                if (le32_to_cpu(igp_info->info_8.ulSystemConfig) & (1 << 3))
                        pi->sys_info.nb_dpm_enable = true;
                else
                        pi->sys_info.nb_dpm_enable = false;

                for (i = 0; i < KV_NUM_NBPSTATES; i++) {
                        pi->sys_info.nbp_memory_clock[i] =
                                le32_to_cpu(igp_info->info_8.ulNbpStateMemclkFreq[i]);
                        pi->sys_info.nbp_n_clock[i] =
                                le32_to_cpu(igp_info->info_8.ulNbpStateNClkFreq[i]);
                }
                if (le32_to_cpu(igp_info->info_8.ulGPUCapInfo) &
                    SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS)
                        pi->caps_enable_dfs_bypass = true;

                sumo_construct_sclk_voltage_mapping_table(adev,
                                                          &pi->sys_info.sclk_voltage_mapping_table,
                                                          igp_info->info_8.sAvail_SCLK);

                sumo_construct_vid_mapping_table(adev,
                                                 &pi->sys_info.vid_mapping_table,
                                                 igp_info->info_8.sAvail_SCLK);

                kv_construct_max_power_limits_table(adev,
                                                    &adev->pm.dpm.dyn_state.max_clock_voltage_on_ac);
        }
        return 0;
}

union power_info {
        struct _ATOM_POWERPLAY_INFO info;
        struct _ATOM_POWERPLAY_INFO_V2 info_2;
        struct _ATOM_POWERPLAY_INFO_V3 info_3;
        struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
        struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
        struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
};

union pplib_clock_info {
        struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
        struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
        struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
        struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
};

union pplib_power_state {
        struct _ATOM_PPLIB_STATE v1;
        struct _ATOM_PPLIB_STATE_V2 v2;
};

static void kv_patch_boot_state(struct amdgpu_device *adev,
                                struct kv_ps *ps)
{
        struct kv_power_info *pi = kv_get_pi(adev);

        ps->num_levels = 1;
        ps->levels[0] = pi->boot_pl;
}

static void kv_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 kv_ps *ps = kv_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;
                kv_patch_boot_state(adev, ps);
        }
        if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
                adev->pm.dpm.uvd_ps = rps;
}

static void kv_parse_pplib_clock_info(struct amdgpu_device *adev,
                                      struct amdgpu_ps *rps, int index,
                                        union pplib_clock_info *clock_info)
{
        struct kv_power_info *pi = kv_get_pi(adev);
        struct kv_ps *ps = kv_get_ps(rps);
        struct kv_pl *pl = &ps->levels[index];
        u32 sclk;

        sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
        sclk |= clock_info->sumo.ucEngineClockHigh << 16;
        pl->sclk = sclk;
        pl->vddc_index = clock_info->sumo.vddcIndex;

        ps->num_levels = index + 1;

        if (pi->caps_sclk_ds) {
                pl->ds_divider_index = 5;
                pl->ss_divider_index = 5;
        }
}

static int kv_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 kv_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);

        amdgpu_add_thermal_controller(adev);

        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 = kcalloc(state_array->ucNumEntries,
                                  sizeof(struct amdgpu_ps),
                                  GFP_KERNEL);
        if (!adev->pm.dpm.ps)
                return -ENOMEM;
        power_state_offset = (u8 *)state_array->states;
        for (i = 0; i < state_array->ucNumEntries; i++) {
                u8 *idx;
                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 kv_ps), GFP_KERNEL);
                if (ps == NULL) {
                        kfree(adev->pm.dpm.ps);
                        return -ENOMEM;
                }
                adev->pm.dpm.ps[i].ps_priv = ps;
                k = 0;
                idx = (u8 *)&power_state->v2.clockInfoIndex[0];
                for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
                        clock_array_index = idx[j];
                        if (clock_array_index >= clock_info_array->ucNumEntries)
                                continue;
                        if (k >= SUMO_MAX_HARDWARE_POWERLEVELS)
                                break;
                        clock_info = (union pplib_clock_info *)
                                ((u8 *)&clock_info_array->clockInfo[0] +
                                 (clock_array_index * clock_info_array->ucEntrySize));
                        kv_parse_pplib_clock_info(adev,
                                                  &adev->pm.dpm.ps[i], k,
                                                  clock_info);
                        k++;
                }
                kv_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;

        /* fill in the vce power states */
        for (i = 0; i < adev->pm.dpm.num_of_vce_states; i++) {
                u32 sclk;
                clock_array_index = adev->pm.dpm.vce_states[i].clk_idx;
                clock_info = (union pplib_clock_info *)
                        &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
                sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
                sclk |= clock_info->sumo.ucEngineClockHigh << 16;
                adev->pm.dpm.vce_states[i].sclk = sclk;
                adev->pm.dpm.vce_states[i].mclk = 0;
        }

        return 0;
}

static int kv_dpm_init(struct amdgpu_device *adev)
{
        struct kv_power_info *pi;
        int ret, i;

        pi = kzalloc(sizeof(struct kv_power_info), GFP_KERNEL);
        if (pi == NULL)
                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;

        for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
                pi->at[i] = TRINITY_AT_DFLT;

        pi->sram_end = SMC_RAM_END;

        pi->enable_nb_dpm = true;

        pi->caps_power_containment = true;
        pi->caps_cac = true;
        pi->enable_didt = false;
        if (pi->enable_didt) {
                pi->caps_sq_ramping = true;
                pi->caps_db_ramping = true;
                pi->caps_td_ramping = true;
                pi->caps_tcp_ramping = true;
        }

        if (adev->powerplay.pp_feature & PP_SCLK_DEEP_SLEEP_MASK)
                pi->caps_sclk_ds = true;
        else
                pi->caps_sclk_ds = false;

        pi->enable_auto_thermal_throttling = true;
        pi->disable_nb_ps3_in_battery = false;
        if (amdgpu_bapm == 0)
                pi->bapm_enable = false;
        else
                pi->bapm_enable = true;
        pi->voltage_drop_t = 0;
        pi->caps_sclk_throttle_low_notification = false;
        pi->caps_fps = false; /* true? */
        pi->caps_uvd_pg = (adev->pg_flags & AMD_PG_SUPPORT_UVD) ? true : false;
        pi->caps_uvd_dpm = true;
        pi->caps_vce_pg = (adev->pg_flags & AMD_PG_SUPPORT_VCE) ? true : false;
        pi->caps_samu_pg = (adev->pg_flags & AMD_PG_SUPPORT_SAMU) ? true : false;
        pi->caps_acp_pg = (adev->pg_flags & AMD_PG_SUPPORT_ACP) ? true : false;
        pi->caps_stable_p_state = false;

        ret = kv_parse_sys_info_table(adev);
        if (ret)
                return ret;

        kv_patch_voltage_values(adev);
        kv_construct_boot_state(adev);

        ret = kv_parse_power_table(adev);
        if (ret)
                return ret;

        pi->enable_dpm = true;

        return 0;
}

static void
kv_dpm_debugfs_print_current_performance_level(void *handle,
                                               struct seq_file *m)
{
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        struct kv_power_info *pi = kv_get_pi(adev);
        u32 current_index =
                (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) &
                TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >>
                TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT;
        u32 sclk, tmp;
        u16 vddc;

        if (current_index >= SMU__NUM_SCLK_DPM_STATE) {
                seq_printf(m, "invalid dpm profile %d\n", current_index);
        } else {
                sclk = be32_to_cpu(pi->graphics_level[current_index].SclkFrequency);
                tmp = (RREG32_SMC(ixSMU_VOLTAGE_STATUS) &
                        SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL_MASK) >>
                        SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL__SHIFT;
                vddc = kv_convert_8bit_index_to_voltage(adev, (u16)tmp);
                seq_printf(m, "uvd    %sabled\n", pi->uvd_power_gated ? "dis" : "en");
                seq_printf(m, "vce    %sabled\n", pi->vce_power_gated ? "dis" : "en");
                seq_printf(m, "power level %d    sclk: %u vddc: %u\n",
                           current_index, sclk, vddc);
        }
}

static void
kv_dpm_print_power_state(void *handle, void *request_ps)
{
        int i;
        struct amdgpu_ps *rps = (struct amdgpu_ps *)request_ps;
        struct kv_ps *ps = kv_get_ps(rps);
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;

        amdgpu_dpm_print_class_info(rps->class, rps->class2);
        amdgpu_dpm_print_cap_info(rps->caps);
        printk("\tuvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
        for (i = 0; i < ps->num_levels; i++) {
                struct kv_pl *pl = &ps->levels[i];
                printk("\t\tpower level %d    sclk: %u vddc: %u\n",
                       i, pl->sclk,
                       kv_convert_8bit_index_to_voltage(adev, pl->vddc_index));
        }
        amdgpu_dpm_print_ps_status(adev, rps);
}

static void kv_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);
}

static void kv_dpm_display_configuration_changed(void *handle)
{

}

static u32 kv_dpm_get_sclk(void *handle, bool low)
{
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        struct kv_power_info *pi = kv_get_pi(adev);
        struct kv_ps *requested_state = kv_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 u32 kv_dpm_get_mclk(void *handle, bool low)
{
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
        struct kv_power_info *pi = kv_get_pi(adev);

        return pi->sys_info.bootup_uma_clk;
}

/* get temperature in millidegrees */
static int kv_dpm_get_temp(void *handle)
{
        u32 temp;
        int actual_temp = 0;
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;

        temp = RREG32_SMC(0xC0300E0C);

        if (temp)
                actual_temp = (temp / 8) - 49;
        else
                actual_temp = 0;

        actual_temp = actual_temp * 1000;

        return actual_temp;
}

static int kv_dpm_early_init(void *handle)
{
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;

        adev->powerplay.pp_funcs = &kv_dpm_funcs;
        adev->powerplay.pp_handle = adev;
        kv_dpm_set_irq_funcs(adev);

        return 0;
}

static int kv_dpm_late_init(void *handle)
{
        /* powerdown unused blocks for now */
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;

        if (!adev->pm.dpm_enabled)
                return 0;

        kv_dpm_powergate_acp(adev, true);
        kv_dpm_powergate_samu(adev, true);

        return 0;
}

static int kv_dpm_sw_init(void *handle)
{
        int ret;
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;

        ret = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 230,
                                &adev->pm.dpm.thermal.irq);
        if (ret)
                return ret;

        ret = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 231,
                                &adev->pm.dpm.thermal.irq);
        if (ret)
                return ret;