root/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
/*
 * Copyright 2019 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 "dm_services.h"
#include "dc.h"
#include "dc_dmub_srv.h"
#include "../dmub/dmub_srv.h"
#include "dm_helpers.h"
#include "dc_hw_types.h"
#include "core_types.h"
#include "../basics/conversion.h"
#include "cursor_reg_cache.h"
#include "resource.h"
#include "clk_mgr.h"
#include "dc_state_priv.h"
#include "dc_plane_priv.h"

#define CTX dc_dmub_srv->ctx
#define DC_LOGGER CTX->logger
#define GPINT_RETRY_NUM 20

#define MAX_WAIT_US 100000

static void dc_dmub_srv_construct(struct dc_dmub_srv *dc_srv, struct dc *dc,
                                  struct dmub_srv *dmub)
{
        dc_srv->dmub = dmub;
        dc_srv->ctx = dc->ctx;
}

static void dc_dmub_srv_handle_failure(struct dc_dmub_srv *dc_dmub_srv)
{
        dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
        if (dc_dmub_srv->ctx->dc->debug.enable_dmu_recovery)
                dm_helpers_dmu_timeout(dc_dmub_srv->ctx);
}

struct dc_dmub_srv *dc_dmub_srv_create(struct dc *dc, struct dmub_srv *dmub)
{
        struct dc_dmub_srv *dc_srv =
                kzalloc_obj(struct dc_dmub_srv);

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

        dc_dmub_srv_construct(dc_srv, dc, dmub);

        return dc_srv;
}

void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv)
{
        if (*dmub_srv) {
                kfree(*dmub_srv);
                *dmub_srv = NULL;
        }
}

bool dc_dmub_srv_wait_for_pending(struct dc_dmub_srv *dc_dmub_srv)
{
        struct dmub_srv *dmub;
        struct dc_context *dc_ctx;
        enum dmub_status status;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        dc_ctx = dc_dmub_srv->ctx;
        dmub = dc_dmub_srv->dmub;

        do {
                status = dmub_srv_wait_for_pending(dmub, MAX_WAIT_US);
        } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK);

        if (status != DMUB_STATUS_OK) {
                DC_ERROR("Error waiting for DMUB idle: status=%d\n", status);
                dc_dmub_srv_handle_failure(dc_dmub_srv);
        }

        return status == DMUB_STATUS_OK;
}

void dc_dmub_srv_clear_inbox0_ack(struct dc_dmub_srv *dc_dmub_srv)
{
        struct dmub_srv *dmub = dc_dmub_srv->dmub;
        struct dc_context *dc_ctx = dc_dmub_srv->ctx;
        enum dmub_status status = DMUB_STATUS_OK;

        status = dmub_srv_clear_inbox0_ack(dmub);
        if (status != DMUB_STATUS_OK) {
                DC_ERROR("Error clearing INBOX0 ack: status=%d\n", status);
                dc_dmub_srv_handle_failure(dc_dmub_srv);
        }
}

void dc_dmub_srv_wait_for_inbox0_ack(struct dc_dmub_srv *dc_dmub_srv)
{
        struct dmub_srv *dmub = dc_dmub_srv->dmub;
        struct dc_context *dc_ctx = dc_dmub_srv->ctx;
        enum dmub_status status = DMUB_STATUS_OK;

        status = dmub_srv_wait_for_inbox0_ack(dmub, MAX_WAIT_US);
        if (status != DMUB_STATUS_OK) {
                DC_ERROR("Error waiting for INBOX0 HW Lock Ack\n");
                dc_dmub_srv_handle_failure(dc_dmub_srv);
        }
}

void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dc_dmub_srv,
                                 union dmub_inbox0_data_register data)
{
        struct dmub_srv *dmub = dc_dmub_srv->dmub;
        struct dc_context *dc_ctx = dc_dmub_srv->ctx;
        enum dmub_status status = DMUB_STATUS_OK;

        status = dmub_srv_send_inbox0_cmd(dmub, data);
        if (status != DMUB_STATUS_OK) {
                DC_ERROR("Error sending INBOX0 cmd\n");
                dc_dmub_srv_handle_failure(dc_dmub_srv);
        }
}

static bool dc_dmub_srv_reg_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv,
                unsigned int count,
                union dmub_rb_cmd *cmd_list)
{
        struct dc_context *dc_ctx;
        struct dmub_srv *dmub;
        enum dmub_status status = DMUB_STATUS_OK;
        int i;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        dc_ctx = dc_dmub_srv->ctx;
        dmub = dc_dmub_srv->dmub;

        for (i = 0 ; i < count; i++) {
                /* confirm no messages pending */
                do {
                        status = dmub_srv_wait_for_idle(dmub, MAX_WAIT_US);
                } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK);

                /* queue command */
                if (status == DMUB_STATUS_OK)
                        status = dmub_srv_reg_cmd_execute(dmub, &cmd_list[i]);

                /* check for errors */
                if (status != DMUB_STATUS_OK) {
                        break;
                }
        }

        if (status != DMUB_STATUS_OK) {
                if (status != DMUB_STATUS_POWER_STATE_D3) {
                        DC_ERROR("Error starting DMUB execution: status=%d\n", status);
                        dc_dmub_srv_handle_failure(dc_dmub_srv);
                }
                return false;
        }

        return true;
}

static bool dc_dmub_srv_fb_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv,
                unsigned int count,
                union dmub_rb_cmd *cmd_list)
{
        struct dc_context *dc_ctx;
        struct dmub_srv *dmub;
        enum dmub_status status;
        int i;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        dc_ctx = dc_dmub_srv->ctx;
        dmub = dc_dmub_srv->dmub;

        for (i = 0 ; i < count; i++) {
                // Queue command
                if (!cmd_list[i].cmd_common.header.multi_cmd_pending ||
                                dmub_rb_num_free(&dmub->inbox1.rb) >= count - i) {
                        status = dmub_srv_fb_cmd_queue(dmub, &cmd_list[i]);
                } else {
                        status = DMUB_STATUS_QUEUE_FULL;
                }

                if (status == DMUB_STATUS_QUEUE_FULL) {
                        /* Execute and wait for queue to become empty again. */
                        status = dmub_srv_fb_cmd_execute(dmub);
                        if (status == DMUB_STATUS_POWER_STATE_D3)
                                return false;

                        do {
                                        status = dmub_srv_wait_for_inbox_free(dmub, MAX_WAIT_US, count - i);
                        } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK);

                        /* Requeue the command. */
                        status = dmub_srv_fb_cmd_queue(dmub, &cmd_list[i]);
                }

                if (status != DMUB_STATUS_OK) {
                        if (status != DMUB_STATUS_POWER_STATE_D3) {
                                DC_ERROR("Error queueing DMUB command: status=%d\n", status);
                                dc_dmub_srv_handle_failure(dc_dmub_srv);
                        }
                        return false;
                }
        }

        status = dmub_srv_fb_cmd_execute(dmub);
        if (status != DMUB_STATUS_OK) {
                if (status != DMUB_STATUS_POWER_STATE_D3) {
                        DC_ERROR("Error starting DMUB execution: status=%d\n", status);
                        dc_dmub_srv_handle_failure(dc_dmub_srv);
                }
                return false;
        }

        return true;
}

bool dc_dmub_srv_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv,
                unsigned int count,
                union dmub_rb_cmd *cmd_list)
{
        bool res = false;

        if (dc_dmub_srv && dc_dmub_srv->dmub) {
                if (dc_dmub_srv->dmub->inbox_type == DMUB_CMD_INTERFACE_REG) {
                        res = dc_dmub_srv_reg_cmd_list_queue_execute(dc_dmub_srv, count, cmd_list);
                } else {
                        res = dc_dmub_srv_fb_cmd_list_queue_execute(dc_dmub_srv, count, cmd_list);
                }

                if (res)
                        res = dmub_srv_update_inbox_status(dc_dmub_srv->dmub) == DMUB_STATUS_OK;
        }

        return res;
}

bool dc_dmub_srv_wait_for_idle(struct dc_dmub_srv *dc_dmub_srv,
                enum dm_dmub_wait_type wait_type,
                union dmub_rb_cmd *cmd_list)
{
        struct dmub_srv *dmub;
        enum dmub_status status;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        dmub = dc_dmub_srv->dmub;

        // Wait for DMUB to process command
        if (wait_type != DM_DMUB_WAIT_TYPE_NO_WAIT) {
                do {
                        status = dmub_srv_wait_for_idle(dmub, MAX_WAIT_US);
                } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK);

                if (status != DMUB_STATUS_OK) {
                        DC_LOG_DEBUG("No reply for DMUB command: status=%d\n", status);
                        if (!dmub->debug.timeout_info.timeout_occured) {
                                dmub->debug.timeout_info.timeout_occured = true;
                                if (cmd_list)
                                        dmub->debug.timeout_info.timeout_cmd = *cmd_list;
                                dmub->debug.timeout_info.timestamp = dm_get_timestamp(dc_dmub_srv->ctx);
                        }
                        dc_dmub_srv_handle_failure(dc_dmub_srv);
                        return false;
                }

                // Copy data back from ring buffer into command
                if (wait_type == DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY && cmd_list) {
                        dmub_srv_cmd_get_response(dc_dmub_srv->dmub, cmd_list);
                }
        }

        return true;
}

bool dc_dmub_srv_cmd_run(struct dc_dmub_srv *dc_dmub_srv, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type)
{
        return dc_dmub_srv_cmd_run_list(dc_dmub_srv, 1, cmd, wait_type);
}

bool dc_dmub_srv_cmd_run_list(struct dc_dmub_srv *dc_dmub_srv, unsigned int count, union dmub_rb_cmd *cmd_list, enum dm_dmub_wait_type wait_type)
{
        if (!dc_dmub_srv_cmd_list_queue_execute(dc_dmub_srv, count, cmd_list))
                return false;

        return dc_dmub_srv_wait_for_idle(dc_dmub_srv, wait_type, cmd_list);
}

bool dc_dmub_srv_optimized_init_done(struct dc_dmub_srv *dc_dmub_srv)
{
        struct dmub_srv *dmub;
        struct dc_context *dc_ctx;
        union dmub_fw_boot_status boot_status;
        enum dmub_status status;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        dmub = dc_dmub_srv->dmub;
        dc_ctx = dc_dmub_srv->ctx;

        status = dmub_srv_get_fw_boot_status(dmub, &boot_status);
        if (status != DMUB_STATUS_OK) {
                DC_ERROR("Error querying DMUB boot status: error=%d\n", status);
                return false;
        }

        return boot_status.bits.optimized_init_done;
}

bool dc_dmub_srv_notify_stream_mask(struct dc_dmub_srv *dc_dmub_srv,
                                    unsigned int stream_mask)
{
        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        return dc_wake_and_execute_gpint(dc_dmub_srv->ctx, DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK,
                                         stream_mask, NULL, DM_DMUB_WAIT_TYPE_WAIT);
}

bool dc_dmub_srv_is_restore_required(struct dc_dmub_srv *dc_dmub_srv)
{
        struct dmub_srv *dmub;
        struct dc_context *dc_ctx;
        union dmub_fw_boot_status boot_status;
        enum dmub_status status;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        dmub = dc_dmub_srv->dmub;
        dc_ctx = dc_dmub_srv->ctx;

        status = dmub_srv_get_fw_boot_status(dmub, &boot_status);
        if (status != DMUB_STATUS_OK) {
                DC_ERROR("Error querying DMUB boot status: error=%d\n", status);
                return false;
        }

        return boot_status.bits.restore_required;
}

bool dc_dmub_srv_get_dmub_outbox0_msg(const struct dc *dc, struct dmcub_trace_buf_entry *entry)
{
        struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub;
        return dmub_srv_get_outbox0_msg(dmub, entry);
}

void dc_dmub_trace_event_control(struct dc *dc, bool enable)
{
        dm_helpers_dmub_outbox_interrupt_control(dc->ctx, enable);
}

void dc_dmub_srv_drr_update_cmd(struct dc *dc, uint32_t tg_inst, uint32_t vtotal_min, uint32_t vtotal_max)
{
        union dmub_rb_cmd cmd = { 0 };

        cmd.drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
        cmd.drr_update.header.sub_type = DMUB_CMD__FAMS_DRR_UPDATE;
        cmd.drr_update.dmub_optc_state_req.v_total_max = vtotal_max;
        cmd.drr_update.dmub_optc_state_req.v_total_min = vtotal_min;
        cmd.drr_update.dmub_optc_state_req.tg_inst = tg_inst;

        cmd.drr_update.header.payload_bytes = sizeof(cmd.drr_update) - sizeof(cmd.drr_update.header);

        // Send the command to the DMCUB.
        dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
}

void dc_dmub_srv_set_drr_manual_trigger_cmd(struct dc *dc, uint32_t tg_inst)
{
        union dmub_rb_cmd cmd = { 0 };

        cmd.drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
        cmd.drr_update.header.sub_type = DMUB_CMD__FAMS_SET_MANUAL_TRIGGER;
        cmd.drr_update.dmub_optc_state_req.tg_inst = tg_inst;

        cmd.drr_update.header.payload_bytes = sizeof(cmd.drr_update) - sizeof(cmd.drr_update.header);

        // Send the command to the DMCUB.
        dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
}

static uint8_t dc_dmub_srv_get_pipes_for_stream(struct dc *dc, struct dc_stream_state *stream)
{
        uint8_t pipes = 0;
        int i = 0;

        for (i = 0; i < MAX_PIPES; i++) {
                struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];

                if (pipe->stream == stream && pipe->stream_res.tg)
                        pipes = i;
        }
        return pipes;
}

static void dc_dmub_srv_populate_fams_pipe_info(struct dc *dc, struct dc_state *context,
                struct pipe_ctx *head_pipe,
                struct dmub_cmd_fw_assisted_mclk_switch_pipe_data *fams_pipe_data)
{
        int j;
        int pipe_idx = 0;

        fams_pipe_data->pipe_index[pipe_idx++] = head_pipe->plane_res.hubp->inst;
        for (j = 0; j < dc->res_pool->pipe_count; j++) {
                struct pipe_ctx *split_pipe = &context->res_ctx.pipe_ctx[j];

                if (split_pipe->stream == head_pipe->stream && (split_pipe->top_pipe || split_pipe->prev_odm_pipe)) {
                        fams_pipe_data->pipe_index[pipe_idx++] = split_pipe->plane_res.hubp->inst;
                }
        }
        fams_pipe_data->pipe_count = pipe_idx;
}

bool dc_dmub_srv_p_state_delegate(struct dc *dc, bool should_manage_pstate, struct dc_state *context)
{
        union dmub_rb_cmd cmd = { 0 };
        struct dmub_cmd_fw_assisted_mclk_switch_config *config_data = &cmd.fw_assisted_mclk_switch.config_data;
        int i = 0, k = 0;
        int ramp_up_num_steps = 1; // TODO: Ramp is currently disabled. Reenable it.
        uint8_t visual_confirm_enabled;
        struct dc_stream_status *stream_status = NULL;

        if (dc == NULL)
                return false;

        visual_confirm_enabled = dc->debug.visual_confirm == VISUAL_CONFIRM_FAMS;

        // Format command.
        cmd.fw_assisted_mclk_switch.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
        cmd.fw_assisted_mclk_switch.header.sub_type = DMUB_CMD__FAMS_SETUP_FW_CTRL;
        cmd.fw_assisted_mclk_switch.config_data.fams_enabled = should_manage_pstate;
        cmd.fw_assisted_mclk_switch.config_data.visual_confirm_enabled = visual_confirm_enabled;

        if (should_manage_pstate) {
                for (i = 0; i < dc->res_pool->pipe_count; i++) {
                        struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];

                        if (!pipe->stream)
                                continue;

                        /* If FAMS is being used to support P-State and there is a stream
                         * that does not use FAMS, we are in an FPO + VActive scenario.
                         * Assign vactive stretch margin in this case.
                         */
                        stream_status = dc_state_get_stream_status(context, pipe->stream);
                        if (stream_status && !stream_status->fpo_in_use) {
                                cmd.fw_assisted_mclk_switch.config_data.vactive_stretch_margin_us = dc->debug.fpo_vactive_margin_us;
                                break;
                        }
                }
        }

        for (i = 0, k = 0; context && i < dc->res_pool->pipe_count; i++) {
                struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];

                if (!resource_is_pipe_type(pipe, OTG_MASTER))
                        continue;

                stream_status = dc_state_get_stream_status(context, pipe->stream);
                if (stream_status && stream_status->fpo_in_use) {
                        struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
                        uint8_t min_refresh_in_hz = (pipe->stream->timing.min_refresh_in_uhz + 999999) / 1000000;

                        config_data->pipe_data[k].pix_clk_100hz = pipe->stream->timing.pix_clk_100hz;
                        config_data->pipe_data[k].min_refresh_in_hz = min_refresh_in_hz;
                        config_data->pipe_data[k].max_ramp_step = ramp_up_num_steps;
                        config_data->pipe_data[k].pipes = dc_dmub_srv_get_pipes_for_stream(dc, pipe->stream);
                        dc_dmub_srv_populate_fams_pipe_info(dc, context, pipe, &config_data->pipe_data[k]);
                        k++;
                }
        }
        cmd.fw_assisted_mclk_switch.header.payload_bytes =
                sizeof(cmd.fw_assisted_mclk_switch) - sizeof(cmd.fw_assisted_mclk_switch.header);

        // Send the command to the DMCUB.
        dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);

        return true;
}

void dc_dmub_srv_query_caps_cmd(struct dc_dmub_srv *dc_dmub_srv)
{
        union dmub_rb_cmd cmd = { 0 };

        if (dc_dmub_srv->ctx->dc->debug.dmcub_emulation)
                return;

        memset(&cmd, 0, sizeof(cmd));

        /* Prepare fw command */
        cmd.query_feature_caps.header.type = DMUB_CMD__QUERY_FEATURE_CAPS;
        cmd.query_feature_caps.header.sub_type = 0;
        cmd.query_feature_caps.header.ret_status = 1;
        cmd.query_feature_caps.header.payload_bytes = sizeof(struct dmub_cmd_query_feature_caps_data);

        /* If command was processed, copy feature caps to dmub srv */
        if (dc_wake_and_execute_dmub_cmd(dc_dmub_srv->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) &&
            cmd.query_feature_caps.header.ret_status == 0) {
                memcpy(&dc_dmub_srv->dmub->feature_caps,
                       &cmd.query_feature_caps.query_feature_caps_data,
                       sizeof(struct dmub_feature_caps));
        }
}

void dc_dmub_srv_get_visual_confirm_color_cmd(struct dc *dc, struct pipe_ctx *pipe_ctx)
{
        union dmub_rb_cmd cmd = { 0 };
        unsigned int panel_inst = 0;

        if (!dc_get_edp_link_panel_inst(dc, pipe_ctx->stream->link, &panel_inst) &&
                        dc->debug.visual_confirm == VISUAL_CONFIRM_DISABLE)
                return;

        memset(&cmd, 0, sizeof(cmd));

        // Prepare fw command
        cmd.visual_confirm_color.header.type = DMUB_CMD__GET_VISUAL_CONFIRM_COLOR;
        cmd.visual_confirm_color.header.sub_type = 0;
        cmd.visual_confirm_color.header.ret_status = 1;
        cmd.visual_confirm_color.header.payload_bytes = sizeof(struct dmub_cmd_visual_confirm_color_data);
        cmd.visual_confirm_color.visual_confirm_color_data.visual_confirm_color.panel_inst = panel_inst;

        // If command was processed, copy feature caps to dmub srv
        if (dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) &&
                cmd.visual_confirm_color.header.ret_status == 0) {
                memcpy(&dc->ctx->dmub_srv->dmub->visual_confirm_color,
                        &cmd.visual_confirm_color.visual_confirm_color_data,
                        sizeof(struct dmub_visual_confirm_color));
        }
}

/**
 * populate_subvp_cmd_drr_info - Helper to populate DRR pipe info for the DMCUB subvp command
 *
 * @dc: [in] pointer to dc object
 * @subvp_pipe: [in] pipe_ctx for the SubVP pipe
 * @vblank_pipe: [in] pipe_ctx for the DRR pipe
 * @pipe_data: [in] Pipe data which stores the VBLANK/DRR info
 * @context: [in] DC state for access to phantom stream
 *
 * Populate the DMCUB SubVP command with DRR pipe info. All the information
 * required for calculating the SubVP + DRR microschedule is populated here.
 *
 * High level algorithm:
 * 1. Get timing for SubVP pipe, phantom pipe, and DRR pipe
 * 2. Calculate the min and max vtotal which supports SubVP + DRR microschedule
 * 3. Populate the drr_info with the min and max supported vtotal values
 */
static void populate_subvp_cmd_drr_info(struct dc *dc,
                struct dc_state *context,
                struct pipe_ctx *subvp_pipe,
                struct pipe_ctx *vblank_pipe,
                struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data)
{
        struct dc_stream_state *phantom_stream = dc_state_get_paired_subvp_stream(context, subvp_pipe->stream);
        struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing;
        struct dc_crtc_timing *phantom_timing;
        struct dc_crtc_timing *drr_timing = &vblank_pipe->stream->timing;
        uint16_t drr_frame_us = 0;
        uint16_t min_drr_supported_us = 0;
        uint16_t max_drr_supported_us = 0;
        uint16_t max_drr_vblank_us = 0;
        uint16_t max_drr_mallregion_us = 0;
        uint16_t mall_region_us = 0;
        uint16_t prefetch_us = 0;
        uint16_t subvp_active_us = 0;
        uint16_t drr_active_us = 0;
        uint16_t min_vtotal_supported = 0;
        uint16_t max_vtotal_supported = 0;

        if (!phantom_stream)
                return;

        phantom_timing = &phantom_stream->timing;

        pipe_data->pipe_config.vblank_data.drr_info.drr_in_use = true;
        pipe_data->pipe_config.vblank_data.drr_info.use_ramping = false; // for now don't use ramping
        pipe_data->pipe_config.vblank_data.drr_info.drr_window_size_ms = 4; // hardcode 4ms DRR window for now

        drr_frame_us = div64_u64(((uint64_t)drr_timing->v_total * drr_timing->h_total * 1000000),
                        (((uint64_t)drr_timing->pix_clk_100hz * 100)));
        // P-State allow width and FW delays already included phantom_timing->v_addressable
        mall_region_us = div64_u64(((uint64_t)phantom_timing->v_addressable * phantom_timing->h_total * 1000000),
                        (((uint64_t)phantom_timing->pix_clk_100hz * 100)));
        min_drr_supported_us = drr_frame_us + mall_region_us + SUBVP_DRR_MARGIN_US;
        min_vtotal_supported = div64_u64(((uint64_t)drr_timing->pix_clk_100hz * 100 * min_drr_supported_us),
                        (((uint64_t)drr_timing->h_total * 1000000)));

        prefetch_us = div64_u64(((uint64_t)(phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total * 1000000),
                        (((uint64_t)phantom_timing->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us));
        subvp_active_us = div64_u64(((uint64_t)main_timing->v_addressable * main_timing->h_total * 1000000),
                        (((uint64_t)main_timing->pix_clk_100hz * 100)));
        drr_active_us = div64_u64(((uint64_t)drr_timing->v_addressable * drr_timing->h_total * 1000000),
                        (((uint64_t)drr_timing->pix_clk_100hz * 100)));
        max_drr_vblank_us = div64_u64((subvp_active_us - prefetch_us -
                        dc->caps.subvp_fw_processing_delay_us - drr_active_us), 2) + drr_active_us;
        max_drr_mallregion_us = subvp_active_us - prefetch_us - mall_region_us - dc->caps.subvp_fw_processing_delay_us;
        max_drr_supported_us = max_drr_vblank_us > max_drr_mallregion_us ? max_drr_vblank_us : max_drr_mallregion_us;
        max_vtotal_supported = div64_u64(((uint64_t)drr_timing->pix_clk_100hz * 100 * max_drr_supported_us),
                        (((uint64_t)drr_timing->h_total * 1000000)));

        /* When calculating the max vtotal supported for SubVP + DRR cases, add
         * margin due to possible rounding errors (being off by 1 line in the
         * FW calculation can incorrectly push the P-State switch to wait 1 frame
         * longer).
         */
        max_vtotal_supported = max_vtotal_supported - dc->caps.subvp_drr_max_vblank_margin_us;

        pipe_data->pipe_config.vblank_data.drr_info.min_vtotal_supported = min_vtotal_supported;
        pipe_data->pipe_config.vblank_data.drr_info.max_vtotal_supported = max_vtotal_supported;
        pipe_data->pipe_config.vblank_data.drr_info.drr_vblank_start_margin = dc->caps.subvp_drr_vblank_start_margin_us;
}

/**
 * populate_subvp_cmd_vblank_pipe_info - Helper to populate VBLANK pipe info for the DMUB subvp command
 *
 * @dc: [in] current dc state
 * @context: [in] new dc state
 * @cmd: [in] DMUB cmd to be populated with SubVP info
 * @vblank_pipe: [in] pipe_ctx for the VBLANK pipe
 * @cmd_pipe_index: [in] index for the pipe array in DMCUB SubVP cmd
 *
 * Populate the DMCUB SubVP command with VBLANK pipe info. All the information
 * required to calculate the microschedule for SubVP + VBLANK case is stored in
 * the pipe_data (subvp_data and vblank_data).  Also check if the VBLANK pipe
 * is a DRR display -- if it is make a call to populate drr_info.
 */
static void populate_subvp_cmd_vblank_pipe_info(struct dc *dc,
                struct dc_state *context,
                union dmub_rb_cmd *cmd,
                struct pipe_ctx *vblank_pipe,
                uint8_t cmd_pipe_index)
{
        uint32_t i;
        struct pipe_ctx *pipe = NULL;
        struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data =
                        &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index];

        // Find the SubVP pipe
        for (i = 0; i < dc->res_pool->pipe_count; i++) {
                pipe = &context->res_ctx.pipe_ctx[i];

                // We check for master pipe, but it shouldn't matter since we only need
                // the pipe for timing info (stream should be same for any pipe splits)
                if (!resource_is_pipe_type(pipe, OTG_MASTER) ||
                                !resource_is_pipe_type(pipe, DPP_PIPE))
                        continue;

                // Find the SubVP pipe
                if (dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN)
                        break;
        }

        pipe_data->mode = VBLANK;
        pipe_data->pipe_config.vblank_data.pix_clk_100hz = vblank_pipe->stream->timing.pix_clk_100hz;
        pipe_data->pipe_config.vblank_data.vblank_start = vblank_pipe->stream->timing.v_total -
                                                        vblank_pipe->stream->timing.v_front_porch;
        pipe_data->pipe_config.vblank_data.vtotal = vblank_pipe->stream->timing.v_total;
        pipe_data->pipe_config.vblank_data.htotal = vblank_pipe->stream->timing.h_total;
        pipe_data->pipe_config.vblank_data.vblank_pipe_index = vblank_pipe->pipe_idx;
        pipe_data->pipe_config.vblank_data.vstartup_start = vblank_pipe->pipe_dlg_param.vstartup_start;
        pipe_data->pipe_config.vblank_data.vblank_end =
                        vblank_pipe->stream->timing.v_total - vblank_pipe->stream->timing.v_front_porch - vblank_pipe->stream->timing.v_addressable;

        if (vblank_pipe->stream->ignore_msa_timing_param &&
                (vblank_pipe->stream->allow_freesync || vblank_pipe->stream->vrr_active_variable || vblank_pipe->stream->vrr_active_fixed))
                populate_subvp_cmd_drr_info(dc, context, pipe, vblank_pipe, pipe_data);
}

/**
 * update_subvp_prefetch_end_to_mall_start - Helper for SubVP + SubVP case
 *
 * @dc: [in] current dc state
 * @context: [in] new dc state
 * @cmd: [in] DMUB cmd to be populated with SubVP info
 * @subvp_pipes: [in] Array of SubVP pipes (should always be length 2)
 *
 * For SubVP + SubVP, we use a single vertical interrupt to start the
 * microschedule for both SubVP pipes. In order for this to work correctly, the
 * MALL REGION of both SubVP pipes must start at the same time. This function
 * lengthens the prefetch end to mall start delay of the SubVP pipe that has
 * the shorter prefetch so that both MALL REGION's will start at the same time.
 */
static void update_subvp_prefetch_end_to_mall_start(struct dc *dc,
                struct dc_state *context,
                union dmub_rb_cmd *cmd,
                struct pipe_ctx *subvp_pipes[])
{
        uint32_t subvp0_prefetch_us = 0;
        uint32_t subvp1_prefetch_us = 0;
        uint32_t prefetch_delta_us = 0;
        struct dc_stream_state *phantom_stream0 = NULL;
        struct dc_stream_state *phantom_stream1 = NULL;
        struct dc_crtc_timing *phantom_timing0 = NULL;
        struct dc_crtc_timing *phantom_timing1 = NULL;
        struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data = NULL;

        phantom_stream0 = dc_state_get_paired_subvp_stream(context, subvp_pipes[0]->stream);
        if (!phantom_stream0)
                return;

        phantom_stream1 = dc_state_get_paired_subvp_stream(context, subvp_pipes[1]->stream);
        if (!phantom_stream1)
                return;

        phantom_timing0 = &phantom_stream0->timing;
        phantom_timing1 = &phantom_stream1->timing;

        subvp0_prefetch_us = div64_u64(((uint64_t)(phantom_timing0->v_total - phantom_timing0->v_front_porch) *
                        (uint64_t)phantom_timing0->h_total * 1000000),
                        (((uint64_t)phantom_timing0->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us));
        subvp1_prefetch_us = div64_u64(((uint64_t)(phantom_timing1->v_total - phantom_timing1->v_front_porch) *
                        (uint64_t)phantom_timing1->h_total * 1000000),
                        (((uint64_t)phantom_timing1->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us));

        // Whichever SubVP PIPE has the smaller prefetch (including the prefetch end to mall start time)
        // should increase it's prefetch time to match the other
        if (subvp0_prefetch_us > subvp1_prefetch_us) {
                pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[1];
                prefetch_delta_us = subvp0_prefetch_us - subvp1_prefetch_us;
                pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
                                div64_u64(((uint64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us) *
                                        ((uint64_t)phantom_timing1->pix_clk_100hz * 100) + ((uint64_t)phantom_timing1->h_total * 1000000 - 1)),
                                        ((uint64_t)phantom_timing1->h_total * 1000000));

        } else if (subvp1_prefetch_us >  subvp0_prefetch_us) {
                pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[0];
                prefetch_delta_us = subvp1_prefetch_us - subvp0_prefetch_us;
                pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
                                div64_u64(((uint64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us) *
                                        ((uint64_t)phantom_timing0->pix_clk_100hz * 100) + ((uint64_t)phantom_timing0->h_total * 1000000 - 1)),
                                        ((uint64_t)phantom_timing0->h_total * 1000000));
        }
}

/**
 * populate_subvp_cmd_pipe_info - Helper to populate the SubVP pipe info for the DMUB subvp command
 *
 * @dc: [in] current dc state
 * @context: [in] new dc state
 * @cmd: [in] DMUB cmd to be populated with SubVP info
 * @subvp_pipe: [in] pipe_ctx for the SubVP pipe
 * @cmd_pipe_index: [in] index for the pipe array in DMCUB SubVP cmd
 *
 * Populate the DMCUB SubVP command with SubVP pipe info. All the information
 * required to calculate the microschedule for the SubVP pipe is stored in the
 * pipe_data of the DMCUB SubVP command.
 */
static void populate_subvp_cmd_pipe_info(struct dc *dc,
                struct dc_state *context,
                union dmub_rb_cmd *cmd,
                struct pipe_ctx *subvp_pipe,
                uint8_t cmd_pipe_index)
{
        uint32_t j;
        struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data =
                        &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index];
        struct dc_stream_state *phantom_stream = dc_state_get_paired_subvp_stream(context, subvp_pipe->stream);
        struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing;
        struct dc_crtc_timing *phantom_timing;
        uint32_t out_num_stream, out_den_stream, out_num_plane, out_den_plane, out_num, out_den;

        if (!phantom_stream)
                return;

        phantom_timing = &phantom_stream->timing;

        pipe_data->mode = SUBVP;
        pipe_data->pipe_config.subvp_data.pix_clk_100hz = subvp_pipe->stream->timing.pix_clk_100hz;
        pipe_data->pipe_config.subvp_data.htotal = subvp_pipe->stream->timing.h_total;
        pipe_data->pipe_config.subvp_data.vtotal = subvp_pipe->stream->timing.v_total;
        pipe_data->pipe_config.subvp_data.main_vblank_start =
                        main_timing->v_total - main_timing->v_front_porch;
        pipe_data->pipe_config.subvp_data.main_vblank_end =
                        main_timing->v_total - main_timing->v_front_porch - main_timing->v_addressable;
        pipe_data->pipe_config.subvp_data.mall_region_lines = phantom_timing->v_addressable;
        pipe_data->pipe_config.subvp_data.main_pipe_index = subvp_pipe->stream_res.tg->inst;
        pipe_data->pipe_config.subvp_data.is_drr = subvp_pipe->stream->ignore_msa_timing_param &&
                (subvp_pipe->stream->allow_freesync || subvp_pipe->stream->vrr_active_variable || subvp_pipe->stream->vrr_active_fixed);

        /* Calculate the scaling factor from the src and dst height.
         * e.g. If 3840x2160 being downscaled to 1920x1080, the scaling factor is 1/2.
         * Reduce the fraction 1080/2160 = 1/2 for the "scaling factor"
         *
         * Make sure to combine stream and plane scaling together.
         */
        reduce_fraction(subvp_pipe->stream->src.height, subvp_pipe->stream->dst.height,
                        &out_num_stream, &out_den_stream);
        reduce_fraction(subvp_pipe->plane_state->src_rect.height, subvp_pipe->plane_state->dst_rect.height,
                        &out_num_plane, &out_den_plane);
        reduce_fraction(out_num_stream * out_num_plane, out_den_stream * out_den_plane, &out_num, &out_den);
        pipe_data->pipe_config.subvp_data.scale_factor_numerator = out_num;
        pipe_data->pipe_config.subvp_data.scale_factor_denominator = out_den;

        // Prefetch lines is equal to VACTIVE + BP + VSYNC
        pipe_data->pipe_config.subvp_data.prefetch_lines =
                        phantom_timing->v_total - phantom_timing->v_front_porch;

        // Round up
        pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
                        div64_u64(((uint64_t)dc->caps.subvp_prefetch_end_to_mall_start_us * ((uint64_t)phantom_timing->pix_clk_100hz * 100) +
                                        ((uint64_t)phantom_timing->h_total * 1000000 - 1)), ((uint64_t)phantom_timing->h_total * 1000000));
        pipe_data->pipe_config.subvp_data.processing_delay_lines =
                        div64_u64(((uint64_t)(dc->caps.subvp_fw_processing_delay_us) * ((uint64_t)phantom_timing->pix_clk_100hz * 100) +
                                        ((uint64_t)phantom_timing->h_total * 1000000 - 1)), ((uint64_t)phantom_timing->h_total * 1000000));

        if (subvp_pipe->bottom_pipe) {
                pipe_data->pipe_config.subvp_data.main_split_pipe_index = subvp_pipe->bottom_pipe->pipe_idx;
        } else if (subvp_pipe->next_odm_pipe) {
                pipe_data->pipe_config.subvp_data.main_split_pipe_index = subvp_pipe->next_odm_pipe->pipe_idx;
        } else {
                pipe_data->pipe_config.subvp_data.main_split_pipe_index = 0xF;
        }

        // Find phantom pipe index based on phantom stream
        for (j = 0; j < dc->res_pool->pipe_count; j++) {
                struct pipe_ctx *phantom_pipe = &context->res_ctx.pipe_ctx[j];

                if (resource_is_pipe_type(phantom_pipe, OTG_MASTER) &&
                                phantom_pipe->stream == dc_state_get_paired_subvp_stream(context, subvp_pipe->stream)) {
                        pipe_data->pipe_config.subvp_data.phantom_pipe_index = phantom_pipe->stream_res.tg->inst;
                        if (phantom_pipe->bottom_pipe) {
                                pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = phantom_pipe->bottom_pipe->plane_res.hubp->inst;
                        } else if (phantom_pipe->next_odm_pipe) {
                                pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = phantom_pipe->next_odm_pipe->plane_res.hubp->inst;
                        } else {
                                pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = 0xF;
                        }
                        break;
                }
        }
}

/**
 * dc_dmub_setup_subvp_dmub_command - Populate the DMCUB SubVP command
 *
 * @dc: [in] current dc state
 * @context: [in] new dc state
 * @enable: [in] if true enables the pipes population
 *
 * This function loops through each pipe and populates the DMUB SubVP CMD info
 * based on the pipe (e.g. SubVP, VBLANK).
 */
void dc_dmub_setup_subvp_dmub_command(struct dc *dc,
                struct dc_state *context,
                bool enable)
{
        uint8_t cmd_pipe_index = 0;
        uint32_t i;
        uint8_t subvp_count = 0;
        union dmub_rb_cmd cmd;
        struct pipe_ctx *subvp_pipes[2];
        uint32_t wm_val_refclk = 0;
        enum mall_stream_type pipe_mall_type;

        memset(&cmd, 0, sizeof(cmd));
        // FW command for SUBVP
        cmd.fw_assisted_mclk_switch_v2.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
        cmd.fw_assisted_mclk_switch_v2.header.sub_type = DMUB_CMD__HANDLE_SUBVP_CMD;
        cmd.fw_assisted_mclk_switch_v2.header.payload_bytes =
                        sizeof(cmd.fw_assisted_mclk_switch_v2) - sizeof(cmd.fw_assisted_mclk_switch_v2.header);

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

                /* For SubVP pipe count, only count the top most (ODM / MPC) pipe
                 */
                if (resource_is_pipe_type(pipe, OTG_MASTER) &&
                                resource_is_pipe_type(pipe, DPP_PIPE) &&
                                dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN)
                        subvp_pipes[subvp_count++] = pipe;
        }

        if (enable) {
                // For each pipe that is a "main" SUBVP pipe, fill in pipe data for DMUB SUBVP cmd
                for (i = 0; i < dc->res_pool->pipe_count; i++) {
                        struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
                        pipe_mall_type = dc_state_get_pipe_subvp_type(context, pipe);

                        if (!pipe->stream)
                                continue;

                        /* When populating subvp cmd info, only pass in the top most (ODM / MPC) pipe.
                         * Any ODM or MPC splits being used in SubVP will be handled internally in
                         * populate_subvp_cmd_pipe_info
                         */
                        if (resource_is_pipe_type(pipe, OTG_MASTER) &&
                                        resource_is_pipe_type(pipe, DPP_PIPE) &&
                                        pipe_mall_type == SUBVP_MAIN) {
                                populate_subvp_cmd_pipe_info(dc, context, &cmd, pipe, cmd_pipe_index++);
                        } else if (resource_is_pipe_type(pipe, OTG_MASTER) &&
                                        resource_is_pipe_type(pipe, DPP_PIPE) &&
                                        pipe_mall_type == SUBVP_NONE) {
                                // Don't need to check for ActiveDRAMClockChangeMargin < 0, not valid in cases where
                                // we run through DML without calculating "natural" P-state support
                                populate_subvp_cmd_vblank_pipe_info(dc, context, &cmd, pipe, cmd_pipe_index++);

                        }
                }
                if (subvp_count == 2) {
                        update_subvp_prefetch_end_to_mall_start(dc, context, &cmd, subvp_pipes);
                }
                cmd.fw_assisted_mclk_switch_v2.config_data.pstate_allow_width_us = dc->caps.subvp_pstate_allow_width_us;
                cmd.fw_assisted_mclk_switch_v2.config_data.vertical_int_margin_us = dc->caps.subvp_vertical_int_margin_us;

                // Store the original watermark value for this SubVP config so we can lower it when the
                // MCLK switch starts
                wm_val_refclk = context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns *
                                (dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000) / 1000;

                cmd.fw_assisted_mclk_switch_v2.config_data.watermark_a_cache = wm_val_refclk < 0xFFFF ? wm_val_refclk : 0xFFFF;
        }

        dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
}

bool dc_dmub_srv_get_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv)
{
        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;
        return dmub_srv_get_diagnostic_data(dc_dmub_srv->dmub);
}

void dc_dmub_srv_log_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv)
{
        uint32_t i;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub) {
                DC_LOG_ERROR("%s: invalid parameters.", __func__);
                return;
        }

        DC_LOG_ERROR("%s: DMCUB error - collecting diagnostic data\n", __func__);

        if (!dc_dmub_srv_get_diagnostic_data(dc_dmub_srv)) {
                DC_LOG_ERROR("%s: dc_dmub_srv_get_diagnostic_data failed.", __func__);
                return;
        }

        DC_LOG_DEBUG("DMCUB STATE:");
        DC_LOG_DEBUG("    dmcub_version      : %08x", dc_dmub_srv->dmub->debug.dmcub_version);
        DC_LOG_DEBUG("    scratch  [0]       : %08x", dc_dmub_srv->dmub->debug.scratch[0]);
        DC_LOG_DEBUG("    scratch  [1]       : %08x", dc_dmub_srv->dmub->debug.scratch[1]);
        DC_LOG_DEBUG("    scratch  [2]       : %08x", dc_dmub_srv->dmub->debug.scratch[2]);
        DC_LOG_DEBUG("    scratch  [3]       : %08x", dc_dmub_srv->dmub->debug.scratch[3]);
        DC_LOG_DEBUG("    scratch  [4]       : %08x", dc_dmub_srv->dmub->debug.scratch[4]);
        DC_LOG_DEBUG("    scratch  [5]       : %08x", dc_dmub_srv->dmub->debug.scratch[5]);
        DC_LOG_DEBUG("    scratch  [6]       : %08x", dc_dmub_srv->dmub->debug.scratch[6]);
        DC_LOG_DEBUG("    scratch  [7]       : %08x", dc_dmub_srv->dmub->debug.scratch[7]);
        DC_LOG_DEBUG("    scratch  [8]       : %08x", dc_dmub_srv->dmub->debug.scratch[8]);
        DC_LOG_DEBUG("    scratch  [9]       : %08x", dc_dmub_srv->dmub->debug.scratch[9]);
        DC_LOG_DEBUG("    scratch [10]       : %08x", dc_dmub_srv->dmub->debug.scratch[10]);
        DC_LOG_DEBUG("    scratch [11]       : %08x", dc_dmub_srv->dmub->debug.scratch[11]);
        DC_LOG_DEBUG("    scratch [12]       : %08x", dc_dmub_srv->dmub->debug.scratch[12]);
        DC_LOG_DEBUG("    scratch [13]       : %08x", dc_dmub_srv->dmub->debug.scratch[13]);
        DC_LOG_DEBUG("    scratch [14]       : %08x", dc_dmub_srv->dmub->debug.scratch[14]);
        DC_LOG_DEBUG("    scratch [15]       : %08x", dc_dmub_srv->dmub->debug.scratch[15]);
        for (i = 0; i < DMUB_PC_SNAPSHOT_COUNT; i++)
                DC_LOG_DEBUG("    pc[%d]             : %08x", i, dc_dmub_srv->dmub->debug.pc[i]);
        DC_LOG_DEBUG("    unk_fault_addr     : %08x", dc_dmub_srv->dmub->debug.undefined_address_fault_addr);
        DC_LOG_DEBUG("    inst_fault_addr    : %08x", dc_dmub_srv->dmub->debug.inst_fetch_fault_addr);
        DC_LOG_DEBUG("    data_fault_addr    : %08x", dc_dmub_srv->dmub->debug.data_write_fault_addr);
        DC_LOG_DEBUG("    inbox1_rptr        : %08x", dc_dmub_srv->dmub->debug.inbox1_rptr);
        DC_LOG_DEBUG("    inbox1_wptr        : %08x", dc_dmub_srv->dmub->debug.inbox1_wptr);
        DC_LOG_DEBUG("    inbox1_size        : %08x", dc_dmub_srv->dmub->debug.inbox1_size);
        DC_LOG_DEBUG("    inbox0_rptr        : %08x", dc_dmub_srv->dmub->debug.inbox0_rptr);
        DC_LOG_DEBUG("    inbox0_wptr        : %08x", dc_dmub_srv->dmub->debug.inbox0_wptr);
        DC_LOG_DEBUG("    inbox0_size        : %08x", dc_dmub_srv->dmub->debug.inbox0_size);
        DC_LOG_DEBUG("    outbox1_rptr       : %08x", dc_dmub_srv->dmub->debug.outbox1_rptr);
        DC_LOG_DEBUG("    outbox1_wptr       : %08x", dc_dmub_srv->dmub->debug.outbox1_wptr);
        DC_LOG_DEBUG("    outbox1_size       : %08x", dc_dmub_srv->dmub->debug.outbox1_size);
        DC_LOG_DEBUG("    is_enabled         : %d", dc_dmub_srv->dmub->debug.is_dmcub_enabled);
        DC_LOG_DEBUG("    is_soft_reset      : %d", dc_dmub_srv->dmub->debug.is_dmcub_soft_reset);
        DC_LOG_DEBUG("    is_secure_reset    : %d", dc_dmub_srv->dmub->debug.is_dmcub_secure_reset);
        DC_LOG_DEBUG("    is_traceport_en    : %d", dc_dmub_srv->dmub->debug.is_traceport_en);
        DC_LOG_DEBUG("    is_cw0_en          : %d", dc_dmub_srv->dmub->debug.is_cw0_enabled);
        DC_LOG_DEBUG("    is_cw6_en          : %d", dc_dmub_srv->dmub->debug.is_cw6_enabled);
        DC_LOG_DEBUG("    is_pwait           : %d", dc_dmub_srv->dmub->debug.is_pwait);
}

static bool dc_dmub_should_update_cursor_data(struct pipe_ctx *pipe_ctx)
{
        if (pipe_ctx->plane_state != NULL) {
                if (pipe_ctx->plane_state->address.type == PLN_ADDR_TYPE_VIDEO_PROGRESSIVE ||
                        resource_can_pipe_disable_cursor(pipe_ctx))
                        return false;
        }

        if ((pipe_ctx->stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1 ||
                pipe_ctx->stream->link->psr_settings.psr_version == DC_PSR_VERSION_1) &&
                pipe_ctx->stream->ctx->dce_version >= DCN_VERSION_3_1)
                return true;

        if (pipe_ctx->stream->link->replay_settings.config.replay_supported)
                return true;

        return false;
}

static void dc_build_cursor_update_payload0(
                struct pipe_ctx *pipe_ctx, uint8_t p_idx,
                struct dmub_cmd_update_cursor_payload0 *payload)
{
        struct dc *dc = pipe_ctx->stream->ctx->dc;
        struct hubp *hubp = pipe_ctx->plane_res.hubp;
        unsigned int panel_inst = 0;

        if (dc->config.frame_update_cmd_version2 == true) {
                /* Don't need panel_inst for command version2 */
                payload->cmd_version = DMUB_CMD_CURSOR_UPDATE_VERSION_2;
        } else {
                if (!dc_get_edp_link_panel_inst(hubp->ctx->dc,
                        pipe_ctx->stream->link, &panel_inst))
                        return;
                payload->cmd_version = DMUB_CMD_CURSOR_UPDATE_VERSION_1;
        }

        /* Payload: Cursor Rect is built from position & attribute
         * x & y are obtained from postion
         */
        payload->cursor_rect.x = hubp->cur_rect.x;
        payload->cursor_rect.y = hubp->cur_rect.y;
        /* w & h are obtained from attribute */
        payload->cursor_rect.width  = hubp->cur_rect.w;
        payload->cursor_rect.height = hubp->cur_rect.h;

        payload->enable      = hubp->pos.cur_ctl.bits.cur_enable;
        payload->pipe_idx    = p_idx;
        payload->panel_inst  = panel_inst;
        payload->otg_inst    = pipe_ctx->stream_res.tg->inst;
}

static void dc_build_cursor_position_update_payload0(
                struct dmub_cmd_update_cursor_payload0 *pl, const uint8_t p_idx,
                const struct hubp *hubp, const struct dpp *dpp)
{
        /* Hubp */
        pl->position_cfg.pHubp.cur_ctl.raw  = hubp->pos.cur_ctl.raw;
        pl->position_cfg.pHubp.position.raw = hubp->pos.position.raw;
        pl->position_cfg.pHubp.hot_spot.raw = hubp->pos.hot_spot.raw;
        pl->position_cfg.pHubp.dst_offset.raw = hubp->pos.dst_offset.raw;

        /* dpp */
        pl->position_cfg.pDpp.cur0_ctl.raw = dpp->pos.cur0_ctl.raw;
        pl->position_cfg.pipe_idx = p_idx;
}

static void dc_build_cursor_attribute_update_payload1(
                struct dmub_cursor_attributes_cfg *pl_A, const uint8_t p_idx,
                const struct hubp *hubp, const struct dpp *dpp)
{
        /* Hubp */
        pl_A->aHubp.SURFACE_ADDR_HIGH = hubp->att.SURFACE_ADDR_HIGH;
        pl_A->aHubp.SURFACE_ADDR = hubp->att.SURFACE_ADDR;
        pl_A->aHubp.cur_ctl.raw  = hubp->att.cur_ctl.raw;
        pl_A->aHubp.size.raw     = hubp->att.size.raw;
        pl_A->aHubp.settings.raw = hubp->att.settings.raw;

        /* dpp */
        pl_A->aDpp.cur0_ctl.raw = dpp->att.cur0_ctl.raw;
}

/**
 * dc_send_update_cursor_info_to_dmu - Populate the DMCUB Cursor update info command
 *
 * @pCtx: [in] pipe context
 * @pipe_idx: [in] pipe index
 *
 * This function would store the cursor related information and pass it into
 * dmub
 */
void dc_send_update_cursor_info_to_dmu(
                struct pipe_ctx *pCtx, uint8_t pipe_idx)
{
        union dmub_rb_cmd cmd[2];
        union dmub_cmd_update_cursor_info_data *update_cursor_info_0 =
                                        &cmd[0].update_cursor_info.update_cursor_info_data;

        memset(cmd, 0, sizeof(cmd));

        if (!dc_dmub_should_update_cursor_data(pCtx))
                return;
        /*
         * Since we use multi_cmd_pending for dmub command, the 2nd command is
         * only assigned to store cursor attributes info.
         * 1st command can view as 2 parts, 1st is for PSR/Replay data, the other
         * is to store cursor position info.
         *
         * Command heaer type must be the same type if using  multi_cmd_pending.
         * Besides, while process 2nd command in DMU, the sub type is useless.
         * So it's meanless to pass the sub type header with different type.
         */

        {
                /* Build Payload#0 Header */
                cmd[0].update_cursor_info.header.type = DMUB_CMD__UPDATE_CURSOR_INFO;
                cmd[0].update_cursor_info.header.payload_bytes =
                                sizeof(cmd[0].update_cursor_info.update_cursor_info_data);
                cmd[0].update_cursor_info.header.multi_cmd_pending = 1; //To combine multi dmu cmd, 1st cmd

                /* Prepare Payload */
                dc_build_cursor_update_payload0(pCtx, pipe_idx, &update_cursor_info_0->payload0);

                dc_build_cursor_position_update_payload0(&update_cursor_info_0->payload0, pipe_idx,
                                pCtx->plane_res.hubp, pCtx->plane_res.dpp);
                }
        {
                /* Build Payload#1 Header */
                cmd[1].update_cursor_info.header.type = DMUB_CMD__UPDATE_CURSOR_INFO;
                cmd[1].update_cursor_info.header.payload_bytes = sizeof(struct cursor_attributes_cfg);
                cmd[1].update_cursor_info.header.multi_cmd_pending = 0; //Indicate it's the last command.

                dc_build_cursor_attribute_update_payload1(
                                &cmd[1].update_cursor_info.update_cursor_info_data.payload1.attribute_cfg,
                                pipe_idx, pCtx->plane_res.hubp, pCtx->plane_res.dpp);

                /* Combine 2nd cmds update_curosr_info to DMU */
                dc_wake_and_execute_dmub_cmd_list(pCtx->stream->ctx, 2, cmd, DM_DMUB_WAIT_TYPE_WAIT);
        }
}

bool dc_dmub_check_min_version(struct dmub_srv *srv)
{
        if (!srv->hw_funcs.is_psrsu_supported)
                return true;
        return srv->hw_funcs.is_psrsu_supported(srv);
}

void dc_dmub_srv_enable_dpia_trace(const struct dc *dc)
{
        struct dc_dmub_srv *dc_dmub_srv = dc->ctx->dmub_srv;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub) {
                DC_LOG_ERROR("%s: invalid parameters.", __func__);
                return;
        }

        if (!dc_wake_and_execute_gpint(dc->ctx, DMUB_GPINT__SET_TRACE_BUFFER_MASK_WORD1,
                                       0x0010, NULL, DM_DMUB_WAIT_TYPE_WAIT)) {
                DC_LOG_ERROR("timeout updating trace buffer mask word\n");
                return;
        }

        if (!dc_wake_and_execute_gpint(dc->ctx, DMUB_GPINT__UPDATE_TRACE_BUFFER_MASK,
                                       0x0000, NULL, DM_DMUB_WAIT_TYPE_WAIT)) {
                DC_LOG_ERROR("timeout updating trace buffer mask word\n");
                return;
        }

        DC_LOG_DEBUG("Enabled DPIA trace\n");
}

void dc_dmub_srv_subvp_save_surf_addr(const struct dc_dmub_srv *dc_dmub_srv, const struct dc_plane_address *addr, uint8_t subvp_index)
{
        dmub_srv_subvp_save_surf_addr(dc_dmub_srv->dmub, addr, subvp_index);
}

void dc_dmub_srv_cursor_offload_init(struct dc *dc)
{
        struct dmub_rb_cmd_cursor_offload_init *init;
        struct dc_dmub_srv *dc_dmub_srv = dc->ctx->dmub_srv;
        union dmub_rb_cmd cmd;

        if (!dc->config.enable_cursor_offload)
                return;

        if (!dc_dmub_srv->dmub->meta_info.feature_bits.bits.cursor_offload_v1_support)
                return;

        if (!dc_dmub_srv->dmub->cursor_offload_fb.gpu_addr || !dc_dmub_srv->dmub->cursor_offload_fb.cpu_addr)
                return;

        if (!dc_dmub_srv->dmub->cursor_offload_v1)
                return;

        if (!dc_dmub_srv->dmub->shared_state)
                return;

        memset(&cmd, 0, sizeof(cmd));

        init = &cmd.cursor_offload_init;
        init->header.type = DMUB_CMD__CURSOR_OFFLOAD;
        init->header.sub_type = DMUB_CMD__CURSOR_OFFLOAD_INIT;
        init->header.payload_bytes = sizeof(init->init_data);
        init->init_data.state_addr.quad_part = dc_dmub_srv->dmub->cursor_offload_fb.gpu_addr;
        init->init_data.state_size = dc_dmub_srv->dmub->cursor_offload_fb.size;

        dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);

        dc_dmub_srv->cursor_offload_enabled = true;
}

void dc_dmub_srv_control_cursor_offload(struct dc *dc, struct dc_state *context,
                                        const struct dc_stream_state *stream, bool enable)
{
        struct pipe_ctx const *pipe_ctx;
        struct dmub_rb_cmd_cursor_offload_stream_cntl *cntl;
        union dmub_rb_cmd cmd;

        if (!dc_dmub_srv_is_cursor_offload_enabled(dc))
                return;

        if (!stream)
                return;

        pipe_ctx = resource_get_otg_master_for_stream(&context->res_ctx, stream);
        if (!pipe_ctx || !pipe_ctx->stream_res.tg || pipe_ctx->stream != stream)
                return;

        memset(&cmd, 0, sizeof(cmd));

        cntl = &cmd.cursor_offload_stream_ctnl;
        cntl->header.type = DMUB_CMD__CURSOR_OFFLOAD;
        cntl->header.sub_type =
                enable ? DMUB_CMD__CURSOR_OFFLOAD_STREAM_ENABLE : DMUB_CMD__CURSOR_OFFLOAD_STREAM_DISABLE;
        cntl->header.payload_bytes = sizeof(cntl->data);

        cntl->data.otg_inst = pipe_ctx->stream_res.tg->inst;
        cntl->data.line_time_in_ns = 1u + (uint32_t)(div64_u64(stream->timing.h_total * 1000000ull,
                                                               stream->timing.pix_clk_100hz / 10));

        cntl->data.v_total_max = stream->adjust.v_total_max > stream->timing.v_total ?
                                         stream->adjust.v_total_max :
                                         stream->timing.v_total;

        dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd,
                                     enable ? DM_DMUB_WAIT_TYPE_NO_WAIT : DM_DMUB_WAIT_TYPE_WAIT);
}

void dc_dmub_srv_program_cursor_now(struct dc *dc, const struct pipe_ctx *pipe)
{
        struct dmub_rb_cmd_cursor_offload_stream_cntl *cntl;
        union dmub_rb_cmd cmd;

        if (!dc_dmub_srv_is_cursor_offload_enabled(dc))
                return;

        if (!pipe || !pipe->stream || !pipe->stream_res.tg)
                return;

        memset(&cmd, 0, sizeof(cmd));

        cntl = &cmd.cursor_offload_stream_ctnl;
        cntl->header.type = DMUB_CMD__CURSOR_OFFLOAD;
        cntl->header.sub_type = DMUB_CMD__CURSOR_OFFLOAD_STREAM_PROGRAM;
        cntl->header.payload_bytes = sizeof(cntl->data);
        cntl->data.otg_inst = pipe->stream_res.tg->inst;

        dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_NO_WAIT);
}

bool dc_dmub_srv_is_hw_pwr_up(struct dc_dmub_srv *dc_dmub_srv, bool wait)
{
        struct dc_context *dc_ctx;
        enum dmub_status status;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return true;

        if (dc_dmub_srv->ctx->dc->debug.dmcub_emulation)
                return true;

        dc_ctx = dc_dmub_srv->ctx;

        if (wait) {
                if (dc_dmub_srv->ctx->dc->debug.disable_timeout) {
                        do {
                                status = dmub_srv_wait_for_hw_pwr_up(dc_dmub_srv->dmub, 500000);
                        } while (status != DMUB_STATUS_OK);
                } else {
                        status = dmub_srv_wait_for_hw_pwr_up(dc_dmub_srv->dmub, 500000);
                        if (status != DMUB_STATUS_OK) {
                                DC_ERROR("Error querying DMUB hw power up status: error=%d\n", status);
                                return false;
                        }
                }
        } else
                return dmub_srv_is_hw_pwr_up(dc_dmub_srv->dmub);

        return true;
}

static int count_active_streams(const struct dc *dc)
{
        int i, count = 0;

        for (i = 0; i < dc->current_state->stream_count; ++i) {
                struct dc_stream_state *stream = dc->current_state->streams[i];

                if (stream && (!stream->dpms_off || dc->config.disable_ips_in_dpms_off))
                        count += 1;
        }

        return count;
}

static void dc_dmub_srv_notify_idle(const struct dc *dc, bool allow_idle)
{
        volatile const struct dmub_shared_state_ips_fw *ips_fw;
        struct dc_dmub_srv *dc_dmub_srv;
        union dmub_rb_cmd cmd = {0};

        if (dc->debug.dmcub_emulation)
                return;

        if (!dc->ctx->dmub_srv || !dc->ctx->dmub_srv->dmub)
                return;

        dc_dmub_srv = dc->ctx->dmub_srv;
        ips_fw = &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_FW].data.ips_fw;

        memset(&cmd, 0, sizeof(cmd));
        cmd.idle_opt_notify_idle.header.type = DMUB_CMD__IDLE_OPT;
        cmd.idle_opt_notify_idle.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_NOTIFY_IDLE;
        cmd.idle_opt_notify_idle.header.payload_bytes =
                sizeof(cmd.idle_opt_notify_idle) -
                sizeof(cmd.idle_opt_notify_idle.header);

        cmd.idle_opt_notify_idle.cntl_data.driver_idle = allow_idle;

        if (dc->work_arounds.skip_psr_ips_crtc_disable)
                cmd.idle_opt_notify_idle.cntl_data.skip_otg_disable = true;

        if (allow_idle) {
                volatile struct dmub_shared_state_ips_driver *ips_driver =
                        &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_DRIVER].data.ips_driver;
                union dmub_shared_state_ips_driver_signals new_signals;

                DC_LOG_IPS(
                        "%s wait idle (ips1_commit=%u ips2_commit=%u)",
                        __func__,
                        ips_fw->signals.bits.ips1_commit,
                        ips_fw->signals.bits.ips2_commit);

                dc_dmub_srv_wait_for_idle(dc->ctx->dmub_srv, DM_DMUB_WAIT_TYPE_WAIT, NULL);

                memset(&new_signals, 0, sizeof(new_signals));

                new_signals.bits.allow_idle = 1; /* always set */

                if (dc->config.disable_ips == DMUB_IPS_ENABLE ||
                    dc->config.disable_ips == DMUB_IPS_DISABLE_DYNAMIC) {
                        new_signals.bits.allow_pg = 1;
                        new_signals.bits.allow_ips1 = 1;
                        new_signals.bits.allow_ips2 = 1;
                        new_signals.bits.allow_z10 = 1;
                        // New in IPSv2.0
                        new_signals.bits.allow_ips1z8 = 1;
                } else if (dc->config.disable_ips == DMUB_IPS_DISABLE_IPS1) {
                        new_signals.bits.allow_ips1 = 1;
                } else if (dc->config.disable_ips == DMUB_IPS_DISABLE_IPS2) {
                        // IPSv1.0 only
                        new_signals.bits.allow_pg = 1;
                        new_signals.bits.allow_ips1 = 1;
                } else if (dc->config.disable_ips == DMUB_IPS_DISABLE_IPS2_Z10) {
                        // IPSv1.0 only
                        new_signals.bits.allow_pg = 1;
                        new_signals.bits.allow_ips1 = 1;
                        new_signals.bits.allow_ips2 = 1;
                } else if (dc->config.disable_ips == DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF) {
                        /* TODO: Move this logic out to hwseq */
                        if (count_active_streams(dc) == 0) {
                                /* IPS2 - Display off */
                                new_signals.bits.allow_pg = 1;
                                new_signals.bits.allow_ips1 = 1;
                                new_signals.bits.allow_ips2 = 1;
                                new_signals.bits.allow_z10 = 1;
                                // New in IPSv2.0
                                new_signals.bits.allow_ips1z8 = 1;
                        } else {
                                /* RCG only */
                                new_signals.bits.allow_pg = 0;
                                new_signals.bits.allow_ips1 = 1;
                                new_signals.bits.allow_ips2 = 0;
                                new_signals.bits.allow_z10 = 0;
                        }
                } else if (dc->config.disable_ips == DMUB_IPS_DISABLE_Z8_RETENTION) {
                        new_signals.bits.allow_pg = 1;
                        new_signals.bits.allow_ips1 = 1;
                        new_signals.bits.allow_ips2 = 1;
                        new_signals.bits.allow_z10 = 1;
                }
                // Setting RCG allow bits (IPSv2.0)
                if (dc->config.disable_ips_rcg == DMUB_IPS_RCG_ENABLE) {
                        new_signals.bits.allow_ips0_rcg = 1;
                        new_signals.bits.allow_ips1_rcg = 1;
                } else if (dc->config.disable_ips_rcg == DMUB_IPS0_RCG_DISABLE) {
                        new_signals.bits.allow_ips1_rcg = 1;
                } else if (dc->config.disable_ips_rcg == DMUB_IPS1_RCG_DISABLE) {
                        new_signals.bits.allow_ips0_rcg = 1;
                }
                // IPS dynamic allow bits (IPSv2 change, vpb use case)
                if (dc->config.disable_ips_in_vpb == DMUB_IPS_VPB_ENABLE_IPS1_AND_RCG) {
                        new_signals.bits.allow_dynamic_ips1 = 1;
                } else if (dc->config.disable_ips_in_vpb == DMUB_IPS_VPB_ENABLE_ALL) {
                        new_signals.bits.allow_dynamic_ips1 = 1;
                        new_signals.bits.allow_dynamic_ips1_z8 = 1;
                }
                ips_driver->signals = new_signals;
                dc_dmub_srv->driver_signals = ips_driver->signals;
        }

        DC_LOG_IPS(
                "%s send allow_idle=%d (ips1_commit=%u ips2_commit=%u)",
                __func__,
                allow_idle,
                ips_fw->signals.bits.ips1_commit,
                ips_fw->signals.bits.ips2_commit);

        /* NOTE: This does not use the "wake" interface since this is part of the wake path. */
        /* We also do not perform a wait since DMCUB could enter idle after the notification. */
        dm_execute_dmub_cmd(dc->ctx, &cmd, allow_idle ? DM_DMUB_WAIT_TYPE_NO_WAIT : DM_DMUB_WAIT_TYPE_WAIT);

        /* Register access should stop at this point. */
        if (allow_idle)
                dc_dmub_srv->needs_idle_wake = true;
}

static void dc_dmub_srv_exit_low_power_state(const struct dc *dc)
{
        struct dc_dmub_srv *dc_dmub_srv;
        uint32_t rcg_exit_count = 0, ips1_exit_count = 0, ips2_exit_count = 0, ips1z8_exit_count = 0;

        if (dc->debug.dmcub_emulation)
                return;

        if (!dc->ctx->dmub_srv || !dc->ctx->dmub_srv->dmub)
                return;

        dc_dmub_srv = dc->ctx->dmub_srv;

        if (dc->clk_mgr->funcs->exit_low_power_state) {
                volatile const struct dmub_shared_state_ips_fw *ips_fw =
                        &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_FW].data.ips_fw;
                volatile struct dmub_shared_state_ips_driver *ips_driver =
                        &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_DRIVER].data.ips_driver;
                union dmub_shared_state_ips_driver_signals prev_driver_signals = ips_driver->signals;

                rcg_exit_count = ips_fw->rcg_exit_count;
                ips1_exit_count = ips_fw->ips1_exit_count;
                ips2_exit_count = ips_fw->ips2_exit_count;
                ips1z8_exit_count = ips_fw->ips1_z8ret_exit_count;

                ips_driver->signals.all = 0;
                dc_dmub_srv->driver_signals = ips_driver->signals;

                DC_LOG_IPS(
                        "%s (allow ips1=%u ips2=%u) (commit ips1=%u ips2=%u ips1z8=%u) (count rcg=%u ips1=%u ips2=%u ips1_z8=%u)",
                        __func__,
                        ips_driver->signals.bits.allow_ips1,
                        ips_driver->signals.bits.allow_ips2,
                        ips_fw->signals.bits.ips1_commit,
                        ips_fw->signals.bits.ips2_commit,
                        ips_fw->signals.bits.ips1z8_commit,
                        ips_fw->rcg_entry_count,
                        ips_fw->ips1_entry_count,
                        ips_fw->ips2_entry_count,
                        ips_fw->ips1_z8ret_entry_count);

                /* Note: register access has technically not resumed for DCN here, but we
                 * need to be message PMFW through our standard register interface.
                 */
                dc_dmub_srv->needs_idle_wake = false;

                if (!dc->caps.ips_v2_support && ((prev_driver_signals.bits.allow_ips2 || prev_driver_signals.all == 0) &&
                    (!dc->debug.optimize_ips_handshake ||
                     ips_fw->signals.bits.ips2_commit || !ips_fw->signals.bits.in_idle))) {
                        DC_LOG_IPS(
                                "wait IPS2 eval (ips1_commit=%u ips2_commit=%u )",
                                ips_fw->signals.bits.ips1_commit,
                                ips_fw->signals.bits.ips2_commit);

                        if (!dc->debug.optimize_ips_handshake || !ips_fw->signals.bits.ips2_commit)
                                udelay(dc->debug.ips2_eval_delay_us);

                        DC_LOG_IPS(
                                "exit IPS2 #1 (ips1_commit=%u ips2_commit=%u)",
                                ips_fw->signals.bits.ips1_commit,
                                ips_fw->signals.bits.ips2_commit);

                        // Tell PMFW to exit low power state
                        dc->clk_mgr->funcs->exit_low_power_state(dc->clk_mgr);

                        if (ips_fw->signals.bits.ips2_commit) {

                                DC_LOG_IPS(
                                        "wait IPS2 entry delay (ips1_commit=%u ips2_commit=%u)",
                                        ips_fw->signals.bits.ips1_commit,
                                        ips_fw->signals.bits.ips2_commit);

                                // Wait for IPS2 entry upper bound
                                udelay(dc->debug.ips2_entry_delay_us);

                                DC_LOG_IPS(
                                        "exit IPS2 #2 (ips1_commit=%u ips2_commit=%u)",
                                        ips_fw->signals.bits.ips1_commit,
                                        ips_fw->signals.bits.ips2_commit);

                                dc->clk_mgr->funcs->exit_low_power_state(dc->clk_mgr);

                                DC_LOG_IPS(
                                        "wait IPS2 commit clear (ips1_commit=%u ips2_commit=%u)",
                                        ips_fw->signals.bits.ips1_commit,
                                        ips_fw->signals.bits.ips2_commit);

                                while (ips_fw->signals.bits.ips2_commit)
                                        udelay(1);

                                DC_LOG_IPS(
                                        "wait hw_pwr_up (ips1_commit=%u ips2_commit=%u)",
                                        ips_fw->signals.bits.ips1_commit,
                                        ips_fw->signals.bits.ips2_commit);

                                if (!dc_dmub_srv_is_hw_pwr_up(dc->ctx->dmub_srv, true))
                                        ASSERT(0);

                                DC_LOG_IPS(
                                        "resync inbox1 (ips1_commit=%u ips2_commit=%u)",
                                        ips_fw->signals.bits.ips1_commit,
                                        ips_fw->signals.bits.ips2_commit);

                                dmub_srv_sync_inboxes(dc->ctx->dmub_srv->dmub);
                        }
                }

                dc_dmub_srv_notify_idle(dc, false);
                if (prev_driver_signals.bits.allow_ips1 || prev_driver_signals.all == 0) {
                        DC_LOG_IPS(
                                "wait for IPS1 commit clear (ips1_commit=%u ips2_commit=%u ips1z8=%u)",
                                ips_fw->signals.bits.ips1_commit,
                                ips_fw->signals.bits.ips2_commit,
                                ips_fw->signals.bits.ips1z8_commit);

                        while (ips_fw->signals.bits.ips1_commit)
                                udelay(1);

                        DC_LOG_IPS(
                                "wait for IPS1 commit clear done (ips1_commit=%u ips2_commit=%u ips1z8=%u)",
                                ips_fw->signals.bits.ips1_commit,
                                ips_fw->signals.bits.ips2_commit,
                                ips_fw->signals.bits.ips1z8_commit);
                }
        }

        if (!dc_dmub_srv_is_hw_pwr_up(dc->ctx->dmub_srv, true))
                ASSERT(0);

        DC_LOG_IPS("%s exit (count rcg=%u ips1=%u ips2=%u ips1z8=%u)",
                __func__,
                rcg_exit_count,
                ips1_exit_count,
                ips2_exit_count,
                ips1z8_exit_count);
}

void dc_dmub_srv_set_power_state(struct dc_dmub_srv *dc_dmub_srv, enum dc_acpi_cm_power_state power_state)
{
        struct dmub_srv *dmub;

        if (!dc_dmub_srv)
                return;

        dmub = dc_dmub_srv->dmub;

        if (power_state == DC_ACPI_CM_POWER_STATE_D0)
                dmub_srv_set_power_state(dmub, DMUB_POWER_STATE_D0);
        else
                dmub_srv_set_power_state(dmub, DMUB_POWER_STATE_D3);
}

void dc_dmub_srv_notify_fw_dc_power_state(struct dc_dmub_srv *dc_dmub_srv,
                                          enum dc_acpi_cm_power_state power_state)
{
        union dmub_rb_cmd cmd;

        if (!dc_dmub_srv)
                return;

        memset(&cmd, 0, sizeof(cmd));

        cmd.idle_opt_set_dc_power_state.header.type = DMUB_CMD__IDLE_OPT;
        cmd.idle_opt_set_dc_power_state.header.sub_type = DMUB_CMD__IDLE_OPT_SET_DC_POWER_STATE;
        cmd.idle_opt_set_dc_power_state.header.payload_bytes =
                sizeof(cmd.idle_opt_set_dc_power_state) - sizeof(cmd.idle_opt_set_dc_power_state.header);

        if (power_state == DC_ACPI_CM_POWER_STATE_D0) {
                cmd.idle_opt_set_dc_power_state.data.power_state = DMUB_IDLE_OPT_DC_POWER_STATE_D0;
        } else if (power_state == DC_ACPI_CM_POWER_STATE_D3) {
                cmd.idle_opt_set_dc_power_state.data.power_state = DMUB_IDLE_OPT_DC_POWER_STATE_D3;
        } else {
                cmd.idle_opt_set_dc_power_state.data.power_state = DMUB_IDLE_OPT_DC_POWER_STATE_UNKNOWN;
        }

        dc_wake_and_execute_dmub_cmd(dc_dmub_srv->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
}

bool dc_dmub_srv_should_detect(struct dc_dmub_srv *dc_dmub_srv)
{
        volatile const struct dmub_shared_state_ips_fw *ips_fw;
        bool reallow_idle = false, should_detect = false;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        if (dc_dmub_srv->dmub->shared_state &&
            dc_dmub_srv->dmub->meta_info.feature_bits.bits.shared_state_link_detection) {
                ips_fw = &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_FW].data.ips_fw;
                return ips_fw->signals.bits.detection_required;
        }

        /* Detection may require reading scratch 0 - exit out of idle prior to the read. */
        if (dc_dmub_srv->idle_allowed) {
                dc_dmub_srv_apply_idle_power_optimizations(dc_dmub_srv->ctx->dc, false);
                reallow_idle = true;
        }

        should_detect = dmub_srv_should_detect(dc_dmub_srv->dmub);

        /* Re-enter idle if we're not about to immediately redetect links. */
        if (!should_detect && reallow_idle && dc_dmub_srv->idle_exit_counter == 0 &&
            !dc_dmub_srv->ctx->dc->debug.disable_dmub_reallow_idle)
                dc_dmub_srv_apply_idle_power_optimizations(dc_dmub_srv->ctx->dc, true);

        return should_detect;
}

void dc_dmub_srv_apply_idle_power_optimizations(const struct dc *dc, bool allow_idle)
{
        struct dc_dmub_srv *dc_dmub_srv = dc->ctx->dmub_srv;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return;

        allow_idle &= (!dc->debug.ips_disallow_entry);

        if (dc_dmub_srv->idle_allowed == allow_idle)
                return;

        DC_LOG_IPS("%s state change: old=%d new=%d", __func__, dc_dmub_srv->idle_allowed, allow_idle);

        /*
         * Entering a low power state requires a driver notification.
         * Powering up the hardware requires notifying PMFW and DMCUB.
         * Clearing the driver idle allow requires a DMCUB command.
         * DMCUB commands requires the DMCUB to be powered up and restored.
         */

        if (!allow_idle) {
                dc_dmub_srv->idle_exit_counter += 1;

                dc_dmub_srv_exit_low_power_state(dc);
                /*
                 * Idle is considered fully exited only after the sequence above
                 * fully completes. If we have a race of two threads exiting
                 * at the same time then it's safe to perform the sequence
                 * twice as long as we're not re-entering.
                 *
                 * Infinite command submission is avoided by using the
                 * dm_execute_dmub_cmd submission instead of the "wake" helpers.
                 */
                dc_dmub_srv->idle_allowed = false;

                dc_dmub_srv->idle_exit_counter -= 1;
                if (dc_dmub_srv->idle_exit_counter < 0) {
                        ASSERT(0);
                        dc_dmub_srv->idle_exit_counter = 0;
                }
        } else {
                /* Consider idle as notified prior to the actual submission to
                 * prevent multiple entries. */
                dc_dmub_srv->idle_allowed = true;

                dc_dmub_srv_notify_idle(dc, allow_idle);
        }
}

bool dc_wake_and_execute_dmub_cmd(const struct dc_context *ctx, union dmub_rb_cmd *cmd,
                                  enum dm_dmub_wait_type wait_type)
{
        return dc_wake_and_execute_dmub_cmd_list(ctx, 1, cmd, wait_type);
}

bool dc_wake_and_execute_dmub_cmd_list(const struct dc_context *ctx, unsigned int count,
                                       union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type)
{
        struct dc_dmub_srv *dc_dmub_srv = ctx->dmub_srv;
        bool result = false, reallow_idle = false;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        if (count == 0)
                return true;

        if (dc_dmub_srv->idle_allowed) {
                dc_dmub_srv_apply_idle_power_optimizations(ctx->dc, false);
                reallow_idle = true;
        }

        /*
         * These may have different implementations in DM, so ensure
         * that we guide it to the expected helper.
         */
        if (count > 1)
                result = dm_execute_dmub_cmd_list(ctx, count, cmd, wait_type);
        else
                result = dm_execute_dmub_cmd(ctx, cmd, wait_type);

        if (result && reallow_idle && dc_dmub_srv->idle_exit_counter == 0 &&
            !ctx->dc->debug.disable_dmub_reallow_idle)
                dc_dmub_srv_apply_idle_power_optimizations(ctx->dc, true);

        return result;
}

static bool dc_dmub_execute_gpint(const struct dc_context *ctx, enum dmub_gpint_command command_code,
                                  uint16_t param, uint32_t *response, enum dm_dmub_wait_type wait_type)
{
        struct dc_dmub_srv *dc_dmub_srv = ctx->dmub_srv;
        const uint32_t wait_us = wait_type == DM_DMUB_WAIT_TYPE_NO_WAIT ? 0 : 30;
        enum dmub_status status;

        if (response)
                *response = 0;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        status = dmub_srv_send_gpint_command(dc_dmub_srv->dmub, command_code, param, wait_us);
        if (status != DMUB_STATUS_OK) {
                if (status == DMUB_STATUS_TIMEOUT && wait_type == DM_DMUB_WAIT_TYPE_NO_WAIT)
                        return true;

                return false;
        }

        if (response && wait_type == DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY)
                dmub_srv_get_gpint_response(dc_dmub_srv->dmub, response);

        return true;
}

bool dc_wake_and_execute_gpint(const struct dc_context *ctx, enum dmub_gpint_command command_code,
                               uint16_t param, uint32_t *response, enum dm_dmub_wait_type wait_type)
{
        struct dc_dmub_srv *dc_dmub_srv = ctx->dmub_srv;
        bool result = false, reallow_idle = false;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return false;

        if (dc_dmub_srv->idle_allowed) {
                dc_dmub_srv_apply_idle_power_optimizations(ctx->dc, false);
                reallow_idle = true;
        }

        result = dc_dmub_execute_gpint(ctx, command_code, param, response, wait_type);

        if (result && reallow_idle && dc_dmub_srv->idle_exit_counter == 0 &&
            !ctx->dc->debug.disable_dmub_reallow_idle)
                dc_dmub_srv_apply_idle_power_optimizations(ctx->dc, true);

        return result;
}

static void dc_dmub_srv_rb_based_fams2_update_config(struct dc *dc,
                struct dc_state *context,
                bool enable)
{
        uint8_t num_cmds = 1;
        uint32_t i;
        union dmub_rb_cmd cmd[2 * MAX_STREAMS + 1];
        struct dmub_rb_cmd_fams2 *global_cmd = &cmd[0].fams2_config;

        memset(cmd, 0, sizeof(union dmub_rb_cmd) * (2 * MAX_STREAMS + 1));
        /* fill in generic command header */
        global_cmd->header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
        global_cmd->header.sub_type = DMUB_CMD__FAMS2_CONFIG;
        global_cmd->header.payload_bytes =
                        sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header);

        if (enable) {
                /* send global configuration parameters */
                memcpy(&global_cmd->config.global, &context->bw_ctx.bw.dcn.fams2_global_config, sizeof(struct dmub_cmd_fams2_global_config));

                /* copy static feature configuration overrides */
                global_cmd->config.global.features.bits.enable_stall_recovery = dc->debug.fams2_config.bits.enable_stall_recovery;
                global_cmd->config.global.features.bits.enable_debug = dc->debug.fams2_config.bits.enable_debug;
                global_cmd->config.global.features.bits.enable_offload_flip = dc->debug.fams2_config.bits.enable_offload_flip;

                /* construct per-stream configs */
                for (i = 0; i < context->bw_ctx.bw.dcn.fams2_global_config.num_streams; i++) {
                        struct dmub_rb_cmd_fams2 *stream_base_cmd = &cmd[i+1].fams2_config;
                        struct dmub_rb_cmd_fams2 *stream_sub_state_cmd = &cmd[i+1+context->bw_ctx.bw.dcn.fams2_global_config.num_streams].fams2_config;

                        /* configure command header */
                        stream_base_cmd->header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
                        stream_base_cmd->header.sub_type = DMUB_CMD__FAMS2_CONFIG;
                        stream_base_cmd->header.payload_bytes =
                                        sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header);
                        stream_base_cmd->header.multi_cmd_pending = 1;
                        stream_sub_state_cmd->header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
                        stream_sub_state_cmd->header.sub_type = DMUB_CMD__FAMS2_CONFIG;
                        stream_sub_state_cmd->header.payload_bytes =
                                        sizeof(struct dmub_rb_cmd_fams2) - sizeof(struct dmub_cmd_header);
                        stream_sub_state_cmd->header.multi_cmd_pending = 1;
                        /* copy stream static base state */
                        memcpy(&stream_base_cmd->config,
                                        &context->bw_ctx.bw.dcn.fams2_stream_base_params[i],
                                        sizeof(union dmub_cmd_fams2_config));
                        /* copy stream static sub state */
                        memcpy(&stream_sub_state_cmd->config,
                                        &context->bw_ctx.bw.dcn.fams2_stream_sub_params[i],
                                        sizeof(union dmub_cmd_fams2_config));
                }
        }

        /* apply feature configuration based on current driver state */
        global_cmd->config.global.features.bits.enable_visual_confirm = dc->debug.visual_confirm == VISUAL_CONFIRM_FAMS2;
        global_cmd->config.global.features.bits.enable = enable && context->bw_ctx.bw.dcn.fams2_global_config.features.bits.enable;
        global_cmd->config.global.features.bits.enable_ppt_check = dc->debug.fams2_config.bits.enable_ppt_check;

        if (enable) {
                /* set multi pending for global, and unset for last stream cmd */
                global_cmd->header.multi_cmd_pending = 1;
                cmd[2 * context->bw_ctx.bw.dcn.fams2_global_config.num_streams].fams2_config.header.multi_cmd_pending = 0;
                num_cmds += 2 * context->bw_ctx.bw.dcn.fams2_global_config.num_streams;
        }

        dm_execute_dmub_cmd_list(dc->ctx, num_cmds, cmd, DM_DMUB_WAIT_TYPE_WAIT);
}

static void dc_dmub_srv_ib_based_fams2_update_config(struct dc *dc,
                struct dc_state *context,
                bool enable)
{
        struct dmub_fams2_config_v2 *config = (struct dmub_fams2_config_v2 *)dc->ctx->dmub_srv->dmub->ib_mem_gart.cpu_addr;
        union dmub_rb_cmd cmd;
        uint32_t i;

        memset(config, 0, sizeof(*config));
        memset(&cmd, 0, sizeof(cmd));

        cmd.ib_fams2_config.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
        cmd.ib_fams2_config.header.sub_type = DMUB_CMD__FAMS2_IB_CONFIG;

        cmd.ib_fams2_config.ib_data.src.quad_part = dc->ctx->dmub_srv->dmub->ib_mem_gart.gpu_addr;
        cmd.ib_fams2_config.ib_data.size = sizeof(*config);

        if (enable) {
                /* send global configuration parameters */
                memcpy(&config->global, &context->bw_ctx.bw.dcn.fams2_global_config,
                        sizeof(struct dmub_cmd_fams2_global_config));

                /* copy static feature configuration overrides */
                config->global.features.bits.enable_stall_recovery = dc->debug.fams2_config.bits.enable_stall_recovery;
                config->global.features.bits.enable_offload_flip = dc->debug.fams2_config.bits.enable_offload_flip;
                config->global.features.bits.enable_debug = dc->debug.fams2_config.bits.enable_debug;

                /* construct per-stream configs */
                for (i = 0; i < context->bw_ctx.bw.dcn.fams2_global_config.num_streams; i++) {
                        /* copy stream static base state */
                        memcpy(&config->stream_v1[i].base,
                                &context->bw_ctx.bw.dcn.fams2_stream_base_params[i],
                                sizeof(config->stream_v1[i].base));

                        /* copy stream static sub-state */
                        memcpy(&config->stream_v1[i].sub_state,
                                &context->bw_ctx.bw.dcn.fams2_stream_sub_params_v2[i],
                                sizeof(config->stream_v1[i].sub_state));
                }
        }

        config->global.features.bits.enable_visual_confirm = dc->debug.visual_confirm == VISUAL_CONFIRM_FAMS2;
        config->global.features.bits.enable = enable && context->bw_ctx.bw.dcn.fams2_global_config.features.bits.enable;
        config->global.features.bits.enable_ppt_check = dc->debug.fams2_config.bits.enable_ppt_check;

        dm_execute_dmub_cmd_list(dc->ctx, 1, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
}

void dc_dmub_srv_fams2_update_config(struct dc *dc,
                struct dc_state *context,
                bool enable)
{
        if (dc->debug.fams_version.major == 2)
                dc_dmub_srv_rb_based_fams2_update_config(dc, context, enable);
        if (dc->debug.fams_version.major == 3)
                dc_dmub_srv_ib_based_fams2_update_config(dc, context, enable);
}

void dc_dmub_srv_fams2_drr_update(struct dc *dc,
                uint32_t tg_inst,
                uint32_t vtotal_min,
                uint32_t vtotal_max,
                uint32_t vtotal_mid,
                uint32_t vtotal_mid_frame_num,
                bool program_manual_trigger)
{
        union dmub_rb_cmd cmd = { 0 };

        cmd.fams2_drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
        cmd.fams2_drr_update.header.sub_type = DMUB_CMD__FAMS2_DRR_UPDATE;
        cmd.fams2_drr_update.dmub_optc_state_req.tg_inst = tg_inst;
        cmd.fams2_drr_update.dmub_optc_state_req.v_total_max = vtotal_max;
        cmd.fams2_drr_update.dmub_optc_state_req.v_total_min = vtotal_min;
        cmd.fams2_drr_update.dmub_optc_state_req.v_total_mid = vtotal_mid;
        cmd.fams2_drr_update.dmub_optc_state_req.v_total_mid_frame_num = vtotal_mid_frame_num;
        cmd.fams2_drr_update.dmub_optc_state_req.program_manual_trigger = program_manual_trigger;

        cmd.fams2_drr_update.header.payload_bytes =
                        sizeof(cmd.fams2_drr_update) - sizeof(cmd.fams2_drr_update.header);

        dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
}

void dc_dmub_srv_fams2_passthrough_flip(
                struct dc *dc,
                struct dc_state *state,
                struct dc_stream_state *stream,
                struct dc_surface_update *srf_updates,
                int surface_count)
{
        int plane_index;
        union dmub_rb_cmd cmds[MAX_PLANES];
        struct dc_plane_address *address;
        struct dc_plane_state *plane_state;
        int num_cmds = 0;
        struct dc_stream_status *stream_status = dc_stream_get_status(stream);

        if (surface_count <= 0 || stream_status == NULL)
                return;

        memset(cmds, 0, sizeof(union dmub_rb_cmd) * MAX_PLANES);

        /* build command for each surface update */
        for (plane_index = 0; plane_index < surface_count; plane_index++) {
                plane_state = srf_updates[plane_index].surface;
                address = &plane_state->address;

                /* skip if there is no address update for plane */
                if (!srf_updates[plane_index].flip_addr)
                        continue;

                /* build command header */
                cmds[num_cmds].fams2_flip.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
                cmds[num_cmds].fams2_flip.header.sub_type = DMUB_CMD__FAMS2_FLIP;
                cmds[num_cmds].fams2_flip.header.payload_bytes =
                                sizeof(struct dmub_rb_cmd_fams2_flip) - sizeof(struct dmub_cmd_header);

                /* for chaining multiple commands, all but last command should set to 1 */
                cmds[num_cmds].fams2_flip.header.multi_cmd_pending = 1;

                /* set topology info */
                cmds[num_cmds].fams2_flip.flip_info.pipe_mask = dc_plane_get_pipe_mask(state, plane_state);
                if (stream_status)
                        cmds[num_cmds].fams2_flip.flip_info.otg_inst = stream_status->primary_otg_inst;

                cmds[num_cmds].fams2_flip.flip_info.config.bits.is_immediate = plane_state->flip_immediate;

                /* build address info for command */
                switch (address->type) {
                case PLN_ADDR_TYPE_GRAPHICS:
                        if (address->grph.addr.quad_part == 0) {
                                BREAK_TO_DEBUGGER();
                                break;
                        }

                        cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_lo =
                                        address->grph.meta_addr.low_part;
                        cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_hi =
                                        (uint16_t)address->grph.meta_addr.high_part;
                        cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_lo =
                                        address->grph.addr.low_part;
                        cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_hi =
                                        (uint16_t)address->grph.addr.high_part;
                        break;
                case PLN_ADDR_TYPE_VIDEO_PROGRESSIVE:
                        if (address->video_progressive.luma_addr.quad_part == 0 ||
                                address->video_progressive.chroma_addr.quad_part == 0) {
                                BREAK_TO_DEBUGGER();
                                break;
                        }

                        cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_lo =
                                        address->video_progressive.luma_meta_addr.low_part;
                        cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_hi =
                                        (uint16_t)address->video_progressive.luma_meta_addr.high_part;
                        cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_c_lo =
                                        address->video_progressive.chroma_meta_addr.low_part;
                        cmds[num_cmds].fams2_flip.flip_info.addr_info.meta_addr_c_hi =
                                        (uint16_t)address->video_progressive.chroma_meta_addr.high_part;
                        cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_lo =
                                        address->video_progressive.luma_addr.low_part;
                        cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_hi =
                                        (uint16_t)address->video_progressive.luma_addr.high_part;
                        cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_c_lo =
                                        address->video_progressive.chroma_addr.low_part;
                        cmds[num_cmds].fams2_flip.flip_info.addr_info.surf_addr_c_hi =
                                        (uint16_t)address->video_progressive.chroma_addr.high_part;
                        break;
                default:
                        // Should never be hit
                        BREAK_TO_DEBUGGER();
                        break;
                }

                num_cmds++;
        }

        if (num_cmds > 0)  {
                cmds[num_cmds - 1].fams2_flip.header.multi_cmd_pending = 0;
                dm_execute_dmub_cmd_list(dc->ctx, num_cmds, cmds, DM_DMUB_WAIT_TYPE_WAIT);
        }
}


bool dc_dmub_srv_ips_residency_cntl(const struct dc_context *ctx, uint8_t panel_inst, bool start_measurement)
{
        union dmub_rb_cmd cmd;

        memset(&cmd, 0, sizeof(cmd));

        cmd.ips_residency_cntl.header.type = DMUB_CMD__IPS;
        cmd.ips_residency_cntl.header.sub_type = DMUB_CMD__IPS_RESIDENCY_CNTL;
        cmd.ips_residency_cntl.header.payload_bytes = sizeof(struct dmub_cmd_ips_residency_cntl_data);

        // only panel_inst=0 is supported at the moment
        cmd.ips_residency_cntl.cntl_data.panel_inst = panel_inst;
        cmd.ips_residency_cntl.cntl_data.start_measurement = start_measurement;

        if (!dc_wake_and_execute_dmub_cmd(ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY))
                return false;

        return true;
}

bool dc_dmub_srv_ips_query_residency_info(const struct dc_context *ctx, uint8_t panel_inst, struct dmub_ips_residency_info *driver_info,
                                          enum ips_residency_mode ips_mode)
{
        union dmub_rb_cmd cmd;
        uint32_t bytes = sizeof(struct dmub_ips_residency_info);

        dmub_flush_buffer_mem(&ctx->dmub_srv->dmub->scratch_mem_fb);
        memset(&cmd, 0, sizeof(cmd));

        cmd.ips_query_residency_info.header.type = DMUB_CMD__IPS;
        cmd.ips_query_residency_info.header.sub_type = DMUB_CMD__IPS_QUERY_RESIDENCY_INFO;
        cmd.ips_query_residency_info.header.payload_bytes = sizeof(struct dmub_cmd_ips_query_residency_info_data);

        cmd.ips_query_residency_info.info_data.dest.quad_part = ctx->dmub_srv->dmub->scratch_mem_fb.gpu_addr;
        cmd.ips_query_residency_info.info_data.size = bytes;
        cmd.ips_query_residency_info.info_data.panel_inst = panel_inst;
        cmd.ips_query_residency_info.info_data.ips_mode = (uint32_t)ips_mode;

        if (!dc_wake_and_execute_dmub_cmd(ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT_WITH_REPLY) ||
                                          cmd.ips_query_residency_info.header.ret_status == 0)
                return false;

        // copy the result to the output since ret_status != 0 means the command returned data
        memcpy(driver_info, ctx->dmub_srv->dmub->scratch_mem_fb.cpu_addr, bytes);

        return true;
}

bool dmub_lsdma_init(struct dc_dmub_srv *dc_dmub_srv)
{
        struct dc_context *dc_ctx = dc_dmub_srv->ctx;
        union dmub_rb_cmd cmd;
        enum dm_dmub_wait_type wait_type;
        struct dmub_cmd_lsdma_data *lsdma_data = &cmd.lsdma.lsdma_data;
        bool result;

        if (!dc_dmub_srv->dmub->feature_caps.lsdma_support_in_dmu)
                return false;

        memset(&cmd, 0, sizeof(cmd));

        cmd.cmd_common.header.type     = DMUB_CMD__LSDMA;
        cmd.cmd_common.header.sub_type = DMUB_CMD__LSDMA_INIT_CONFIG;
        wait_type                      = DM_DMUB_WAIT_TYPE_NO_WAIT;

        lsdma_data->u.init_data.gpu_addr_base.quad_part = dc_ctx->dmub_srv->dmub->lsdma_rb_fb.gpu_addr;
        lsdma_data->u.init_data.ring_size               = dc_ctx->dmub_srv->dmub->lsdma_rb_fb.size;

        result = dc_wake_and_execute_dmub_cmd(dc_ctx, &cmd, wait_type);

        if (!result)
                DC_ERROR("LSDMA Init failed in DMUB");

        return result;
}

bool dmub_lsdma_send_linear_copy_command(
        struct dc_dmub_srv *dc_dmub_srv,
        uint64_t src_addr,
        uint64_t dst_addr,
        uint32_t count
)
{
        struct dc_context *dc_ctx = dc_dmub_srv->ctx;
        union dmub_rb_cmd cmd;
        enum dm_dmub_wait_type wait_type;
        struct dmub_cmd_lsdma_data *lsdma_data = &cmd.lsdma.lsdma_data;
        bool result;

        memset(&cmd, 0, sizeof(cmd));

        cmd.cmd_common.header.type     = DMUB_CMD__LSDMA;
        cmd.cmd_common.header.sub_type = DMUB_CMD__LSDMA_LINEAR_COPY;
        wait_type                      = DM_DMUB_WAIT_TYPE_NO_WAIT;

        lsdma_data->u.linear_copy_data.count   = count - 1; // LSDMA controller expects bytes to copy -1
        lsdma_data->u.linear_copy_data.src_lo  = src_addr & 0xFFFFFFFF;
        lsdma_data->u.linear_copy_data.src_hi  = (src_addr >> 32) & 0xFFFFFFFF;
        lsdma_data->u.linear_copy_data.dst_lo  = dst_addr & 0xFFFFFFFF;
        lsdma_data->u.linear_copy_data.dst_hi  = (dst_addr >> 32) & 0xFFFFFFFF;

        result = dc_wake_and_execute_dmub_cmd(dc_ctx, &cmd, wait_type);

        if (!result)
                DC_ERROR("LSDMA Linear Copy failed in DMUB");

        return result;
}

bool dmub_lsdma_send_linear_sub_window_copy_command(
        struct dc_dmub_srv *dc_dmub_srv,
        struct lsdma_linear_sub_window_copy_params copy_data
)
{
        struct dc_context *dc_ctx = dc_dmub_srv->ctx;
        union dmub_rb_cmd cmd;
        enum dm_dmub_wait_type wait_type;
        struct dmub_cmd_lsdma_data *lsdma_data = &cmd.lsdma.lsdma_data;
        bool result;

        memset(&cmd, 0, sizeof(cmd));

        cmd.cmd_common.header.type     = DMUB_CMD__LSDMA;
        cmd.cmd_common.header.sub_type = DMUB_CMD__LSDMA_LINEAR_SUB_WINDOW_COPY;
        wait_type                      = DM_DMUB_WAIT_TYPE_NO_WAIT;

        lsdma_data->u.linear_sub_window_copy_data.tmz              = copy_data.tmz;
        lsdma_data->u.linear_sub_window_copy_data.element_size     = copy_data.element_size;
        lsdma_data->u.linear_sub_window_copy_data.src_lo           = copy_data.src_lo;
        lsdma_data->u.linear_sub_window_copy_data.src_hi           = copy_data.src_hi;
        lsdma_data->u.linear_sub_window_copy_data.src_x            = copy_data.src_x;
        lsdma_data->u.linear_sub_window_copy_data.src_y            = copy_data.src_y;
        lsdma_data->u.linear_sub_window_copy_data.src_pitch        = copy_data.src_pitch;
        lsdma_data->u.linear_sub_window_copy_data.src_slice_pitch  = copy_data.src_slice_pitch;
        lsdma_data->u.linear_sub_window_copy_data.dst_lo           = copy_data.dst_lo;
        lsdma_data->u.linear_sub_window_copy_data.dst_hi           = copy_data.dst_hi;
        lsdma_data->u.linear_sub_window_copy_data.dst_x            = copy_data.dst_x;
        lsdma_data->u.linear_sub_window_copy_data.dst_y            = copy_data.dst_y;
        lsdma_data->u.linear_sub_window_copy_data.dst_pitch        = copy_data.dst_pitch;
        lsdma_data->u.linear_sub_window_copy_data.dst_slice_pitch  = copy_data.dst_slice_pitch;
        lsdma_data->u.linear_sub_window_copy_data.rect_x           = copy_data.rect_x;
        lsdma_data->u.linear_sub_window_copy_data.rect_y           = copy_data.rect_y;
        lsdma_data->u.linear_sub_window_copy_data.src_cache_policy = copy_data.src_cache_policy;
        lsdma_data->u.linear_sub_window_copy_data.dst_cache_policy = copy_data.dst_cache_policy;

        result = dc_wake_and_execute_dmub_cmd(dc_ctx, &cmd, wait_type);

        if (!result)
                DC_ERROR("LSDMA Linear Sub Window Copy failed in DMUB");

        return result;
}

bool dmub_lsdma_send_tiled_to_tiled_copy_command(
        struct dc_dmub_srv *dc_dmub_srv,
        struct lsdma_send_tiled_to_tiled_copy_command_params params
)
{
        struct dc_context *dc_ctx = dc_dmub_srv->ctx;
        union dmub_rb_cmd cmd;
        enum dm_dmub_wait_type wait_type;
        struct dmub_cmd_lsdma_data *lsdma_data = &cmd.lsdma.lsdma_data;
        bool result;

        memset(&cmd, 0, sizeof(cmd));

        cmd.cmd_common.header.type     = DMUB_CMD__LSDMA;
        cmd.cmd_common.header.sub_type = DMUB_CMD__LSDMA_TILED_TO_TILED_COPY;
        wait_type                      = DM_DMUB_WAIT_TYPE_NO_WAIT;

        lsdma_data->u.tiled_copy_data.src_addr_lo      = params.src_addr & 0xFFFFFFFF;
        lsdma_data->u.tiled_copy_data.src_addr_hi      = (params.src_addr >> 32) & 0xFFFFFFFF;
        lsdma_data->u.tiled_copy_data.dst_addr_lo      = params.dst_addr & 0xFFFFFFFF;
        lsdma_data->u.tiled_copy_data.dst_addr_hi      = (params.dst_addr >> 32) & 0xFFFFFFFF;
        lsdma_data->u.tiled_copy_data.src_x            = params.src_x;
        lsdma_data->u.tiled_copy_data.src_y            = params.src_y;
        lsdma_data->u.tiled_copy_data.dst_x            = params.dst_x;
        lsdma_data->u.tiled_copy_data.dst_y            = params.dst_y;
        lsdma_data->u.tiled_copy_data.src_width        = params.src_width;
        lsdma_data->u.tiled_copy_data.dst_width        = params.dst_width;
        lsdma_data->u.tiled_copy_data.src_swizzle_mode = params.swizzle_mode;
        lsdma_data->u.tiled_copy_data.dst_swizzle_mode = params.swizzle_mode;
        lsdma_data->u.tiled_copy_data.src_element_size = params.element_size;
        lsdma_data->u.tiled_copy_data.dst_element_size = params.element_size;
        lsdma_data->u.tiled_copy_data.rect_x           = params.rect_x;
        lsdma_data->u.tiled_copy_data.rect_y           = params.rect_y;
        lsdma_data->u.tiled_copy_data.dcc              = params.dcc;
        lsdma_data->u.tiled_copy_data.tmz              = params.tmz;
        lsdma_data->u.tiled_copy_data.read_compress    = params.read_compress;
        lsdma_data->u.tiled_copy_data.write_compress   = params.write_compress;
        lsdma_data->u.tiled_copy_data.src_height       = params.src_height;
        lsdma_data->u.tiled_copy_data.dst_height       = params.dst_height;
        lsdma_data->u.tiled_copy_data.data_format      = params.data_format;
        lsdma_data->u.tiled_copy_data.max_com          = params.max_com;
        lsdma_data->u.tiled_copy_data.max_uncom        = params.max_uncom;

        result = dc_wake_and_execute_dmub_cmd(dc_ctx, &cmd, wait_type);

        if (!result)
                DC_ERROR("LSDMA Tiled to Tiled Copy failed in DMUB");

        return result;
}

bool dmub_lsdma_send_pio_copy_command(
        struct dc_dmub_srv *dc_dmub_srv,
        uint64_t src_addr,
        uint64_t dst_addr,
        uint32_t byte_count,
        uint32_t overlap_disable
)
{
        struct dc_context *dc_ctx = dc_dmub_srv->ctx;
        union dmub_rb_cmd cmd;
        enum dm_dmub_wait_type wait_type;
        struct dmub_cmd_lsdma_data *lsdma_data = &cmd.lsdma.lsdma_data;
        bool result;

        memset(&cmd, 0, sizeof(cmd));

        cmd.cmd_common.header.type     = DMUB_CMD__LSDMA;
        cmd.cmd_common.header.sub_type = DMUB_CMD__LSDMA_PIO_COPY;
        wait_type                      = DM_DMUB_WAIT_TYPE_NO_WAIT;

        lsdma_data->u.pio_copy_data.packet.fields.byte_count      = byte_count;
        lsdma_data->u.pio_copy_data.packet.fields.overlap_disable = overlap_disable;
        lsdma_data->u.pio_copy_data.src_lo                        = src_addr & 0xFFFFFFFF;
        lsdma_data->u.pio_copy_data.src_hi                        = (src_addr >> 32) & 0xFFFFFFFF;
        lsdma_data->u.pio_copy_data.dst_lo                        = dst_addr & 0xFFFFFFFF;
        lsdma_data->u.pio_copy_data.dst_hi                        = (dst_addr >> 32) & 0xFFFFFFFF;

        result = dc_wake_and_execute_dmub_cmd(dc_ctx, &cmd, wait_type);

        if (!result)
                DC_ERROR("LSDMA PIO Copy failed in DMUB");

        return result;
}

bool dmub_lsdma_send_pio_constfill_command(
        struct dc_dmub_srv *dc_dmub_srv,
        uint64_t dst_addr,
        uint32_t byte_count,
        uint32_t data
)
{
        struct dc_context *dc_ctx = dc_dmub_srv->ctx;
        union dmub_rb_cmd cmd;
        enum dm_dmub_wait_type wait_type;
        struct dmub_cmd_lsdma_data *lsdma_data = &cmd.lsdma.lsdma_data;
        bool result;

        memset(&cmd, 0, sizeof(cmd));

        cmd.cmd_common.header.type     = DMUB_CMD__LSDMA;
        cmd.cmd_common.header.sub_type = DMUB_CMD__LSDMA_PIO_CONSTFILL;
        wait_type                      = DM_DMUB_WAIT_TYPE_NO_WAIT;

        lsdma_data->u.pio_constfill_data.packet.fields.constant_fill = 1;
        lsdma_data->u.pio_constfill_data.packet.fields.byte_count    = byte_count;
        lsdma_data->u.pio_constfill_data.dst_lo                      = dst_addr & 0xFFFFFFFF;
        lsdma_data->u.pio_constfill_data.dst_hi                      = (dst_addr >> 32) & 0xFFFFFFFF;
        lsdma_data->u.pio_constfill_data.data                        = data;

        result = dc_wake_and_execute_dmub_cmd(dc_ctx, &cmd, wait_type);

        if (!result)
                DC_ERROR("LSDMA PIO Constfill failed in DMUB");

        return result;
}

bool dmub_lsdma_send_poll_reg_write_command(struct dc_dmub_srv *dc_dmub_srv, uint32_t reg_addr, uint32_t reg_data)
{
        struct dc_context *dc_ctx = dc_dmub_srv->ctx;
        union dmub_rb_cmd cmd;
        enum dm_dmub_wait_type wait_type;
        struct dmub_cmd_lsdma_data *lsdma_data = &cmd.lsdma.lsdma_data;
        bool result;

        memset(&cmd, 0, sizeof(cmd));

        cmd.cmd_common.header.type     = DMUB_CMD__LSDMA;
        cmd.cmd_common.header.sub_type = DMUB_CMD__LSDMA_POLL_REG_WRITE;
        wait_type                      = DM_DMUB_WAIT_TYPE_NO_WAIT;

        lsdma_data->u.reg_write_data.reg_addr = reg_addr;
        lsdma_data->u.reg_write_data.reg_data = reg_data;

        result = dc_wake_and_execute_dmub_cmd(dc_ctx, &cmd, wait_type);

        if (!result)
                DC_ERROR("LSDMA Poll Reg failed in DMUB");

        return result;
}

bool dc_dmub_srv_is_cursor_offload_enabled(const struct dc *dc)
{
        return dc->ctx->dmub_srv && dc->ctx->dmub_srv->cursor_offload_enabled;
}

void dc_dmub_srv_release_hw(const struct dc *dc)
{
        struct dc_dmub_srv *dc_dmub_srv = dc->ctx->dmub_srv;
        union dmub_rb_cmd cmd = {0};

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return;

        memset(&cmd, 0, sizeof(cmd));
        cmd.idle_opt_notify_idle.header.type = DMUB_CMD__IDLE_OPT;
        cmd.idle_opt_notify_idle.header.sub_type = DMUB_CMD__IDLE_OPT_RELEASE_HW;
        cmd.idle_opt_notify_idle.header.payload_bytes =
                sizeof(cmd.idle_opt_notify_idle) -
                sizeof(cmd.idle_opt_notify_idle.header);

        dm_execute_dmub_cmd(dc->ctx, &cmd,  DM_DMUB_WAIT_TYPE_WAIT);
}

void dc_dmub_srv_log_preos_dmcub_info(struct dc_dmub_srv *dc_dmub_srv)
{
        struct dmub_srv *dmub;

        if (!dc_dmub_srv || !dc_dmub_srv->dmub)
                return;

        dmub = dc_dmub_srv->dmub;

        if (dmub_srv_get_preos_info(dmub)) {
                DC_LOG_DEBUG("%s: PreOS DMCUB Info", __func__);
                DC_LOG_DEBUG("fw_version                                : 0x%08x", dmub->preos_info.fw_version);
                DC_LOG_DEBUG("boot_options                              : 0x%08x", dmub->preos_info.boot_options);
                DC_LOG_DEBUG("boot_status                               : 0x%08x", dmub->preos_info.boot_status);
                DC_LOG_DEBUG("trace_buffer_phy_addr             : 0x%016llx", dmub->preos_info.trace_buffer_phy_addr);
                DC_LOG_DEBUG("trace_buffer_size_bytes   : 0x%08x", dmub->preos_info.trace_buffer_size);
                DC_LOG_DEBUG("fb_base                                   : 0x%016llx", dmub->preos_info.fb_base);
                DC_LOG_DEBUG("fb_offset                                 : 0x%016llx", dmub->preos_info.fb_offset);
        }
}