/* SPDX-License-Identifier: MIT */
/*
 * Copyright 2023 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.
 *
 * Authors: AMD
 *
 */

#include "reg_helper.h"
#include "core_types.h"
#include "dcn35_pg_cntl.h"
#include "dccg.h"

#define TO_DCN_PG_CNTL(pg_cntl)\
        container_of(pg_cntl, struct dcn_pg_cntl, base)

#define REG(reg) \
        (pg_cntl_dcn->regs->reg)

#undef FN
#define FN(reg_name, field_name) \
        pg_cntl_dcn->pg_cntl_shift->field_name, pg_cntl_dcn->pg_cntl_mask->field_name

#define CTX \
        pg_cntl_dcn->base.ctx
#define DC_LOGGER \
        pg_cntl->ctx->logger

static bool pg_cntl35_dsc_pg_status(struct pg_cntl *pg_cntl, unsigned int dsc_inst)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t pwr_status = 0;

        if (pg_cntl->ctx->dc->debug.ignore_pg)
                return true;

        switch (dsc_inst) {
        case 0: /* DSC0 */
                REG_GET(DOMAIN16_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
                break;
        case 1: /* DSC1 */
                REG_GET(DOMAIN17_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
                break;
        case 2: /* DSC2 */
                REG_GET(DOMAIN18_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
                break;
        case 3: /* DSC3 */
                REG_GET(DOMAIN19_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
                break;
        default:
                BREAK_TO_DEBUGGER();
                break;
        }

        return pwr_status == 0;
}

void pg_cntl35_dsc_pg_control(struct pg_cntl *pg_cntl, unsigned int dsc_inst, bool power_on)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t power_gate = power_on ? 0 : 1;
        uint32_t pwr_status = power_on ? 0 : 2;
        uint32_t org_ip_request_cntl = 0;
        bool block_enabled = false;
        bool skip_pg = pg_cntl->ctx->dc->debug.ignore_pg ||
                       pg_cntl->ctx->dc->debug.disable_dsc_power_gate ||
                       pg_cntl->ctx->dc->idle_optimizations_allowed;

        if (skip_pg && !power_on)
                return;

        block_enabled = pg_cntl35_dsc_pg_status(pg_cntl, dsc_inst);
        if (power_on) {
                if (block_enabled)
                        return;
        } else {
                if (!block_enabled)
                        return;
        }

        REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
        if (org_ip_request_cntl == 0)
                REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);

        switch (dsc_inst) {
        case 0: /* DSC0 */
                REG_UPDATE(DOMAIN16_PG_CONFIG,
                                DOMAIN_POWER_GATE, power_gate);

                REG_WAIT(DOMAIN16_PG_STATUS,
                                DOMAIN_PGFSM_PWR_STATUS, pwr_status,
                                1, 10000);
                break;
        case 1: /* DSC1 */
                REG_UPDATE(DOMAIN17_PG_CONFIG,
                                DOMAIN_POWER_GATE, power_gate);

                REG_WAIT(DOMAIN17_PG_STATUS,
                                DOMAIN_PGFSM_PWR_STATUS, pwr_status,
                                1, 10000);
                break;
        case 2: /* DSC2 */
                REG_UPDATE(DOMAIN18_PG_CONFIG,
                                DOMAIN_POWER_GATE, power_gate);

                REG_WAIT(DOMAIN18_PG_STATUS,
                                DOMAIN_PGFSM_PWR_STATUS, pwr_status,
                                1, 10000);
                break;
        case 3: /* DSC3 */
                REG_UPDATE(DOMAIN19_PG_CONFIG,
                                DOMAIN_POWER_GATE, power_gate);

                REG_WAIT(DOMAIN19_PG_STATUS,
                                DOMAIN_PGFSM_PWR_STATUS, pwr_status,
                                1, 10000);
                break;
        default:
                BREAK_TO_DEBUGGER();
                break;
        }

        if (dsc_inst < MAX_PIPES)
                pg_cntl->pg_pipe_res_enable[PG_DSC][dsc_inst] = power_on;
}

static bool pg_cntl35_hubp_dpp_pg_status(struct pg_cntl *pg_cntl, unsigned int hubp_dpp_inst)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t pwr_status = 0;

        switch (hubp_dpp_inst) {
        case 0:
                /* DPP0 & HUBP0 */
                REG_GET(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
                break;
        case 1:
                /* DPP1 & HUBP1 */
                REG_GET(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
                break;
        case 2:
                /* DPP2 & HUBP2 */
                REG_GET(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
                break;
        case 3:
                /* DPP3 & HUBP3 */
                REG_GET(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, &pwr_status);
                break;
        default:
                BREAK_TO_DEBUGGER();
                break;
        }

        return pwr_status == 0;
}

void pg_cntl35_hubp_dpp_pg_control(struct pg_cntl *pg_cntl, unsigned int hubp_dpp_inst, bool power_on)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t power_gate = power_on ? 0 : 1;
        uint32_t pwr_status = power_on ? 0 : 2;
        uint32_t org_ip_request_cntl;
        bool block_enabled;
        bool skip_pg = pg_cntl->ctx->dc->debug.ignore_pg ||
                       pg_cntl->ctx->dc->debug.disable_hubp_power_gate ||
                       pg_cntl->ctx->dc->debug.disable_dpp_power_gate ||
                       pg_cntl->ctx->dc->idle_optimizations_allowed;

        if (skip_pg && !power_on)
                return;

        block_enabled = pg_cntl35_hubp_dpp_pg_status(pg_cntl, hubp_dpp_inst);
        if (power_on) {
                if (block_enabled)
                        return;
        } else {
                if (!block_enabled)
                        return;
        }

        REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
        if (org_ip_request_cntl == 0)
                REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);

        switch (hubp_dpp_inst) {
        case 0:
                /* DPP0 & HUBP0 */
                REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_GATE, power_gate);
                REG_WAIT(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 10000);
                break;
        case 1:
                /* DPP1 & HUBP1 */
                REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_GATE, power_gate);
                REG_WAIT(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 10000);
                break;
        case 2:
                /* DPP2 & HUBP2 */
                REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_GATE, power_gate);
                REG_WAIT(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 10000);
                break;
        case 3:
                /* DPP3 & HUBP3 */
                REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_GATE, power_gate);
                REG_WAIT(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 10000);
                break;
        default:
                BREAK_TO_DEBUGGER();
                break;
        }

        DC_LOG_DEBUG("HUBP DPP instance %d, power %s", hubp_dpp_inst,
                power_on ? "ON" : "OFF");

        if (hubp_dpp_inst < MAX_PIPES) {
                pg_cntl->pg_pipe_res_enable[PG_HUBP][hubp_dpp_inst] = power_on;
                pg_cntl->pg_pipe_res_enable[PG_DPP][hubp_dpp_inst] = power_on;
        }
}

static bool pg_cntl35_hpo_pg_status(struct pg_cntl *pg_cntl)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t pwr_status = 0;

        REG_GET(DOMAIN25_PG_STATUS,
                        DOMAIN_PGFSM_PWR_STATUS, &pwr_status);

        return pwr_status == 0;
}

void pg_cntl35_hpo_pg_control(struct pg_cntl *pg_cntl, bool power_on)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t power_gate = power_on ? 0 : 1;
        uint32_t pwr_status = power_on ? 0 : 2;
        uint32_t org_ip_request_cntl;
        uint32_t power_forceon;
        bool block_enabled;

        if (pg_cntl->ctx->dc->debug.ignore_pg ||
                pg_cntl->ctx->dc->debug.disable_hpo_power_gate ||
                pg_cntl->ctx->dc->idle_optimizations_allowed)
                return;

        block_enabled = pg_cntl35_hpo_pg_status(pg_cntl);
        if (power_on) {
                if (block_enabled)
                        return;
        } else {
                if (!block_enabled)
                        return;
        }

        REG_GET(DOMAIN25_PG_CONFIG, DOMAIN_POWER_FORCEON, &power_forceon);
        if (power_forceon)
                return;

        REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
        if (org_ip_request_cntl == 0)
                REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);

        REG_UPDATE(DOMAIN25_PG_CONFIG, DOMAIN_POWER_GATE, power_gate);
        REG_WAIT(DOMAIN25_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);

        pg_cntl->pg_res_enable[PG_HPO] = power_on;
}

static bool pg_cntl35_io_clk_status(struct pg_cntl *pg_cntl)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t pwr_status = 0;

        REG_GET(DOMAIN22_PG_STATUS,
                DOMAIN_PGFSM_PWR_STATUS, &pwr_status);

        return pwr_status == 0;
}

void pg_cntl35_io_clk_pg_control(struct pg_cntl *pg_cntl, bool power_on)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t power_gate = power_on ? 0 : 1;
        uint32_t pwr_status = power_on ? 0 : 2;
        uint32_t org_ip_request_cntl;
        uint32_t power_forceon;
        bool block_enabled;

        if (pg_cntl->ctx->dc->debug.ignore_pg ||
                pg_cntl->ctx->dc->idle_optimizations_allowed)
                return;

        block_enabled = pg_cntl35_io_clk_status(pg_cntl);
        if (power_on) {
                if (block_enabled)
                        return;
        } else {
                if (!block_enabled)
                        return;
        }

        REG_GET(DOMAIN22_PG_CONFIG, DOMAIN_POWER_FORCEON, &power_forceon);
        if (power_forceon)
                return;

        REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
        if (org_ip_request_cntl == 0)
                REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);

        /* DCCG, DIO, DCIO */
        REG_UPDATE(DOMAIN22_PG_CONFIG, DOMAIN_POWER_GATE, power_gate);
        REG_WAIT(DOMAIN22_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);

        pg_cntl->pg_res_enable[PG_DCCG] = power_on;
        pg_cntl->pg_res_enable[PG_DIO] = power_on;
        pg_cntl->pg_res_enable[PG_DCIO] = power_on;
}

static bool pg_cntl35_plane_otg_status(struct pg_cntl *pg_cntl)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t pwr_status = 0;

        REG_GET(DOMAIN24_PG_STATUS,
                DOMAIN_PGFSM_PWR_STATUS, &pwr_status);

        return pwr_status == 0;
}

void pg_cntl35_mpcc_pg_control(struct pg_cntl *pg_cntl,
        unsigned int mpcc_inst, bool power_on)
{
        if (pg_cntl->ctx->dc->idle_optimizations_allowed)
                return;

        if (mpcc_inst < MAX_PIPES)
                pg_cntl->pg_pipe_res_enable[PG_MPCC][mpcc_inst] = power_on;
}

void pg_cntl35_opp_pg_control(struct pg_cntl *pg_cntl,
        unsigned int opp_inst, bool power_on)
{
        if (pg_cntl->ctx->dc->idle_optimizations_allowed)
                return;

        if (opp_inst < MAX_PIPES)
                pg_cntl->pg_pipe_res_enable[PG_OPP][opp_inst] = power_on;
}

void pg_cntl35_optc_pg_control(struct pg_cntl *pg_cntl,
        unsigned int optc_inst, bool power_on)
{
        if (pg_cntl->ctx->dc->idle_optimizations_allowed)
                return;

        if (optc_inst < MAX_PIPES)
                pg_cntl->pg_pipe_res_enable[PG_OPTC][optc_inst] = power_on;
}

void pg_cntl35_plane_otg_pg_control(struct pg_cntl *pg_cntl, bool power_on)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t power_gate = power_on ? 0 : 1;
        uint32_t pwr_status = power_on ? 0 : 2;
        uint32_t org_ip_request_cntl;
        int i;
        bool block_enabled;
        bool all_mpcc_disabled = true, all_opp_disabled = true;
        bool all_optc_disabled = true, all_stream_disabled = true;

        if (pg_cntl->ctx->dc->debug.ignore_pg ||
                pg_cntl->ctx->dc->debug.disable_optc_power_gate ||
                pg_cntl->ctx->dc->idle_optimizations_allowed)
                return;

        block_enabled = pg_cntl35_plane_otg_status(pg_cntl);
        if (power_on) {
                if (block_enabled)
                        return;
        } else {
                if (!block_enabled)
                        return;
        }

        for (i = 0; i < pg_cntl->ctx->dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe_ctx = &pg_cntl->ctx->dc->current_state->res_ctx.pipe_ctx[i];

                if (pipe_ctx) {
                        if (pipe_ctx->stream)
                                all_stream_disabled = false;
                }

                if (pg_cntl->pg_pipe_res_enable[PG_MPCC][i])
                        all_mpcc_disabled = false;

                if (pg_cntl->pg_pipe_res_enable[PG_OPP][i])
                        all_opp_disabled = false;

                if (pg_cntl->pg_pipe_res_enable[PG_OPTC][i])
                        all_optc_disabled = false;
        }

        if (!power_on) {
                if (!all_mpcc_disabled || !all_opp_disabled || !all_optc_disabled
                        || !all_stream_disabled || pg_cntl->pg_res_enable[PG_DWB])
                        return;
        }

        REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
        if (org_ip_request_cntl == 0)
                REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);

        /* MPC, OPP, OPTC, DWB */
        REG_UPDATE(DOMAIN24_PG_CONFIG, DOMAIN_POWER_GATE, power_gate);
        REG_WAIT(DOMAIN24_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);

        for (i = 0; i < pg_cntl->ctx->dc->res_pool->pipe_count; i++) {
                pg_cntl->pg_pipe_res_enable[PG_MPCC][i] = power_on;
                pg_cntl->pg_pipe_res_enable[PG_OPP][i] = power_on;
                pg_cntl->pg_pipe_res_enable[PG_OPTC][i] = power_on;
        }
        pg_cntl->pg_res_enable[PG_DWB] = power_on;
}

void pg_cntl35_dwb_pg_control(struct pg_cntl *pg_cntl, bool power_on)
{
        if (pg_cntl->ctx->dc->idle_optimizations_allowed)
                return;

        pg_cntl->pg_res_enable[PG_DWB] = power_on;
}

static bool pg_cntl35_mem_status(struct pg_cntl *pg_cntl)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(pg_cntl);
        uint32_t pwr_status = 0;

        REG_GET(DOMAIN23_PG_STATUS,
                DOMAIN_PGFSM_PWR_STATUS, &pwr_status);

        return pwr_status == 0;
}

void pg_cntl35_init_pg_status(struct pg_cntl *pg_cntl)
{
        int i = 0;
        bool block_enabled;

        pg_cntl->pg_res_enable[PG_HPO] = pg_cntl35_hpo_pg_status(pg_cntl);

        block_enabled = pg_cntl35_io_clk_status(pg_cntl);
        pg_cntl->pg_res_enable[PG_DCCG] = block_enabled;
        pg_cntl->pg_res_enable[PG_DIO] = block_enabled;
        pg_cntl->pg_res_enable[PG_DCIO] = block_enabled;

        block_enabled = pg_cntl35_mem_status(pg_cntl);
        pg_cntl->pg_res_enable[PG_DCHUBBUB] = block_enabled;
        pg_cntl->pg_res_enable[PG_DCHVM] = block_enabled;

        for (i = 0; i < pg_cntl->ctx->dc->res_pool->pipe_count; i++) {
                block_enabled = pg_cntl35_hubp_dpp_pg_status(pg_cntl, i);
                pg_cntl->pg_pipe_res_enable[PG_HUBP][i] = block_enabled;
                pg_cntl->pg_pipe_res_enable[PG_DPP][i] = block_enabled;

                block_enabled = pg_cntl35_dsc_pg_status(pg_cntl, i);
                pg_cntl->pg_pipe_res_enable[PG_DSC][i] = block_enabled;
        }

        block_enabled = pg_cntl35_plane_otg_status(pg_cntl);
        for (i = 0; i < pg_cntl->ctx->dc->res_pool->pipe_count; i++) {
                pg_cntl->pg_pipe_res_enable[PG_MPCC][i] = block_enabled;
                pg_cntl->pg_pipe_res_enable[PG_OPP][i] = block_enabled;
                pg_cntl->pg_pipe_res_enable[PG_OPTC][i] = block_enabled;
        }
        pg_cntl->pg_res_enable[PG_DWB] = block_enabled;
}

static void pg_cntl35_print_pg_status(struct pg_cntl *pg_cntl, const char *debug_func, const char *debug_log)
{
        int i = 0;
        bool block_enabled = false;

        DC_LOG_DEBUG("%s: %s", debug_func, debug_log);

        DC_LOG_DEBUG("PG_CNTL status:\n");

        block_enabled = pg_cntl35_io_clk_status(pg_cntl);
        DC_LOG_DEBUG("ONO0=%d (DCCG, DIO, DCIO)\n", block_enabled ? 1 : 0);

        block_enabled = pg_cntl35_mem_status(pg_cntl);
        DC_LOG_DEBUG("ONO1=%d (DCHUBBUB, DCHVM, DCHUBBUBMEM)\n", block_enabled ? 1 : 0);

        block_enabled = pg_cntl35_plane_otg_status(pg_cntl);
        DC_LOG_DEBUG("ONO2=%d (MPC, OPP, OPTC, DWB)\n", block_enabled ? 1 : 0);

        block_enabled = pg_cntl35_hpo_pg_status(pg_cntl);
        DC_LOG_DEBUG("ONO3=%d (HPO)\n", block_enabled ? 1 : 0);

        for (i = 0; i < pg_cntl->ctx->dc->res_pool->pipe_count; i++) {
                block_enabled = pg_cntl35_hubp_dpp_pg_status(pg_cntl, i);
                DC_LOG_DEBUG("ONO%d=%d (DCHUBP%d, DPP%d)\n", 4 + i * 2, block_enabled ? 1 : 0, i, i);

                block_enabled = pg_cntl35_dsc_pg_status(pg_cntl, i);
                DC_LOG_DEBUG("ONO%d=%d (DSC%d)\n", 5 + i * 2, block_enabled ? 1 : 0, i);
        }
}

static const struct pg_cntl_funcs pg_cntl35_funcs = {
        .init_pg_status = pg_cntl35_init_pg_status,
        .dsc_pg_control = pg_cntl35_dsc_pg_control,
        .hubp_dpp_pg_control = pg_cntl35_hubp_dpp_pg_control,
        .hpo_pg_control = pg_cntl35_hpo_pg_control,
        .io_clk_pg_control = pg_cntl35_io_clk_pg_control,
        .plane_otg_pg_control = pg_cntl35_plane_otg_pg_control,
        .mpcc_pg_control = pg_cntl35_mpcc_pg_control,
        .opp_pg_control = pg_cntl35_opp_pg_control,
        .optc_pg_control = pg_cntl35_optc_pg_control,
        .dwb_pg_control = pg_cntl35_dwb_pg_control,
        .print_pg_status = pg_cntl35_print_pg_status
};

struct pg_cntl *pg_cntl35_create(
        struct dc_context *ctx,
        const struct pg_cntl_registers *regs,
        const struct pg_cntl_shift *pg_cntl_shift,
        const struct pg_cntl_mask *pg_cntl_mask)
{
        struct dcn_pg_cntl *pg_cntl_dcn = kzalloc_obj(*pg_cntl_dcn);
        struct pg_cntl *base;

        if (pg_cntl_dcn == NULL) {
                BREAK_TO_DEBUGGER();
                return NULL;
        }

        base = &pg_cntl_dcn->base;
        base->ctx = ctx;
        base->funcs = &pg_cntl35_funcs;

        pg_cntl_dcn->regs = regs;
        pg_cntl_dcn->pg_cntl_shift = pg_cntl_shift;
        pg_cntl_dcn->pg_cntl_mask = pg_cntl_mask;

        memset(base->pg_pipe_res_enable, 0, PG_HW_PIPE_RESOURCES_NUM_ELEMENT * MAX_PIPES * sizeof(bool));
        memset(base->pg_res_enable, 0, PG_HW_RESOURCES_NUM_ELEMENT * sizeof(bool));

        return &pg_cntl_dcn->base;
}

void dcn_pg_cntl_destroy(struct pg_cntl **pg_cntl)
{
        struct dcn_pg_cntl *pg_cntl_dcn = TO_DCN_PG_CNTL(*pg_cntl);

        kfree(pg_cntl_dcn);
        *pg_cntl = NULL;
}