treewide: remove redundant IS_ERR() before error code check

[linux/fpc-iii.git] / drivers / gpu / drm / amd / display / dc / calcs / dcn_calcs.c

/*
 * Copyright 2017 Advanced Micro Devices, Inc.
 * Copyright 2019 Raptor Engineering, LLC
 *
 * 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 "dcn_calcs.h"
#include "dcn_calc_auto.h"
#include "dal_asic_id.h"
#include "resource.h"
#include "dcn10/dcn10_resource.h"
#include "dcn10/dcn10_hubbub.h"
#include "dml/dml1_display_rq_dlg_calc.h"

#include "dcn_calc_math.h"

#define DC_LOGGER \
        dc->ctx->logger

#define WM_SET_COUNT 4
#define WM_A 0
#define WM_B 1
#define WM_C 2
#define WM_D 3

/*
 * NOTE:
 *   This file is gcc-parseable HW gospel, coming straight from HW engineers.
 *
 * It doesn't adhere to Linux kernel style and sometimes will do things in odd
 * ways. Unless there is something clearly wrong with it the code should
 * remain as-is as it provides us with a guarantee from HW that it is correct.
 */

/* Defaults from spreadsheet rev#247.
 * RV2 delta: dram_clock_change_latency, max_num_dpp
 */
const struct dcn_soc_bounding_box dcn10_soc_defaults = {
                /* latencies */
                .sr_exit_time = 17, /*us*/
                .sr_enter_plus_exit_time = 19, /*us*/
                .urgent_latency = 4, /*us*/
                .dram_clock_change_latency = 17, /*us*/
                .write_back_latency = 12, /*us*/
                .percent_of_ideal_drambw_received_after_urg_latency = 80, /*%*/

                /* below default clocks derived from STA target base on
                 * slow-slow corner + 10% margin with voltages aligned to FCLK.
                 *
                 * Use these value if fused value doesn't make sense as earlier
                 * part don't have correct value fused */
                /* default DCF CLK DPM on RV*/
                .dcfclkv_max0p9 = 655,  /* MHz, = 3600/5.5 */
                .dcfclkv_nom0p8 = 626,  /* MHz, = 3600/5.75 */
                .dcfclkv_mid0p72 = 600, /* MHz, = 3600/6, bypass */
                .dcfclkv_min0p65 = 300, /* MHz, = 3600/12, bypass */

                /* default DISP CLK voltage state on RV */
                .max_dispclk_vmax0p9 = 1108,    /* MHz, = 3600/3.25 */
                .max_dispclk_vnom0p8 = 1029,    /* MHz, = 3600/3.5 */
                .max_dispclk_vmid0p72 = 960,    /* MHz, = 3600/3.75 */
                .max_dispclk_vmin0p65 = 626,    /* MHz, = 3600/5.75 */

                /* default DPP CLK voltage state on RV */
                .max_dppclk_vmax0p9 = 720,      /* MHz, = 3600/5 */
                .max_dppclk_vnom0p8 = 686,      /* MHz, = 3600/5.25 */
                .max_dppclk_vmid0p72 = 626,     /* MHz, = 3600/5.75 */
                .max_dppclk_vmin0p65 = 400,     /* MHz, = 3600/9 */

                /* default PHY CLK voltage state on RV */
                .phyclkv_max0p9 = 900, /*MHz*/
                .phyclkv_nom0p8 = 847, /*MHz*/
                .phyclkv_mid0p72 = 800, /*MHz*/
                .phyclkv_min0p65 = 600, /*MHz*/

                /* BW depend on FCLK, MCLK, # of channels */
                /* dual channel BW */
                .fabric_and_dram_bandwidth_vmax0p9 = 38.4f, /*GB/s*/
                .fabric_and_dram_bandwidth_vnom0p8 = 34.133f, /*GB/s*/
                .fabric_and_dram_bandwidth_vmid0p72 = 29.866f, /*GB/s*/
                .fabric_and_dram_bandwidth_vmin0p65 = 12.8f, /*GB/s*/
                /* single channel BW
                .fabric_and_dram_bandwidth_vmax0p9 = 19.2f,
                .fabric_and_dram_bandwidth_vnom0p8 = 17.066f,
                .fabric_and_dram_bandwidth_vmid0p72 = 14.933f,
                .fabric_and_dram_bandwidth_vmin0p65 = 12.8f,
                */

                .number_of_channels = 2,

                .socclk = 208, /*MHz*/
                .downspreading = 0.5f, /*%*/
                .round_trip_ping_latency_cycles = 128, /*DCFCLK Cycles*/
                .urgent_out_of_order_return_per_channel = 256, /*bytes*/
                .vmm_page_size = 4096, /*bytes*/
                .return_bus_width = 64, /*bytes*/
                .max_request_size = 256, /*bytes*/

                /* Depends on user class (client vs embedded, workstation, etc) */
                .percent_disp_bw_limit = 0.3f /*%*/
};

const struct dcn_ip_params dcn10_ip_defaults = {
                .rob_buffer_size_in_kbyte = 64,
                .det_buffer_size_in_kbyte = 164,
                .dpp_output_buffer_pixels = 2560,
                .opp_output_buffer_lines = 1,
                .pixel_chunk_size_in_kbyte = 8,
                .pte_enable = dcn_bw_yes,
                .pte_chunk_size = 2, /*kbytes*/
                .meta_chunk_size = 2, /*kbytes*/
                .writeback_chunk_size = 2, /*kbytes*/
                .odm_capability = dcn_bw_no,
                .dsc_capability = dcn_bw_no,
                .line_buffer_size = 589824, /*bit*/
                .max_line_buffer_lines = 12,
                .is_line_buffer_bpp_fixed = dcn_bw_no,
                .line_buffer_fixed_bpp = dcn_bw_na,
                .writeback_luma_buffer_size = 12, /*kbytes*/
                .writeback_chroma_buffer_size = 8, /*kbytes*/
                .max_num_dpp = 4,
                .max_num_writeback = 2,
                .max_dchub_topscl_throughput = 4, /*pixels/dppclk*/
                .max_pscl_tolb_throughput = 2, /*pixels/dppclk*/
                .max_lb_tovscl_throughput = 4, /*pixels/dppclk*/
                .max_vscl_tohscl_throughput = 4, /*pixels/dppclk*/
                .max_hscl_ratio = 4,
                .max_vscl_ratio = 4,
                .max_hscl_taps = 8,
                .max_vscl_taps = 8,
                .pte_buffer_size_in_requests = 42,
                .dispclk_ramping_margin = 1, /*%*/
                .under_scan_factor = 1.11f,
                .max_inter_dcn_tile_repeaters = 8,
                .can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one = dcn_bw_no,
                .bug_forcing_luma_and_chroma_request_to_same_size_fixed = dcn_bw_no,
                .dcfclk_cstate_latency = 10 /*TODO clone of something else? sr_enter_plus_exit_time?*/
};

static enum dcn_bw_defs tl_sw_mode_to_bw_defs(enum swizzle_mode_values sw_mode)
{
        switch (sw_mode) {
        case DC_SW_LINEAR:
                return dcn_bw_sw_linear;
        case DC_SW_4KB_S:
                return dcn_bw_sw_4_kb_s;
        case DC_SW_4KB_D:
                return dcn_bw_sw_4_kb_d;
        case DC_SW_64KB_S:
                return dcn_bw_sw_64_kb_s;
        case DC_SW_64KB_D:
                return dcn_bw_sw_64_kb_d;
        case DC_SW_VAR_S:
                return dcn_bw_sw_var_s;
        case DC_SW_VAR_D:
                return dcn_bw_sw_var_d;
        case DC_SW_64KB_S_T:
                return dcn_bw_sw_64_kb_s_t;
        case DC_SW_64KB_D_T:
                return dcn_bw_sw_64_kb_d_t;
        case DC_SW_4KB_S_X:
                return dcn_bw_sw_4_kb_s_x;
        case DC_SW_4KB_D_X:
                return dcn_bw_sw_4_kb_d_x;
        case DC_SW_64KB_S_X:
                return dcn_bw_sw_64_kb_s_x;
        case DC_SW_64KB_D_X:
                return dcn_bw_sw_64_kb_d_x;
        case DC_SW_VAR_S_X:
                return dcn_bw_sw_var_s_x;
        case DC_SW_VAR_D_X:
                return dcn_bw_sw_var_d_x;
        case DC_SW_256B_S:
        case DC_SW_256_D:
        case DC_SW_256_R:
        case DC_SW_4KB_R:
        case DC_SW_64KB_R:
        case DC_SW_VAR_R:
        case DC_SW_4KB_R_X:
        case DC_SW_64KB_R_X:
        case DC_SW_VAR_R_X:
        default:
                BREAK_TO_DEBUGGER(); /*not in formula*/
                return dcn_bw_sw_4_kb_s;
        }
}

static int tl_lb_bpp_to_int(enum lb_pixel_depth depth)
{
        switch (depth) {
        case LB_PIXEL_DEPTH_18BPP:
                return 18;
        case LB_PIXEL_DEPTH_24BPP:
                return 24;
        case LB_PIXEL_DEPTH_30BPP:
                return 30;
        case LB_PIXEL_DEPTH_36BPP:
                return 36;
        default:
                return 30;
        }
}

static enum dcn_bw_defs tl_pixel_format_to_bw_defs(enum surface_pixel_format format)
{
        switch (format) {
        case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:
        case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
                return dcn_bw_rgb_sub_16;
        case SURFACE_PIXEL_FORMAT_GRPH_ARGB8888:
        case SURFACE_PIXEL_FORMAT_GRPH_ABGR8888:
        case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010:
        case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010:
        case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010_XR_BIAS:
                return dcn_bw_rgb_sub_32;
        case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
        case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
        case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
                return dcn_bw_rgb_sub_64;
        case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
        case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
                return dcn_bw_yuv420_sub_8;
        case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
        case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
                return dcn_bw_yuv420_sub_10;
        default:
                return dcn_bw_rgb_sub_32;
        }
}

enum source_macro_tile_size swizzle_mode_to_macro_tile_size(enum swizzle_mode_values sw_mode)
{
        switch (sw_mode) {
        /* for 4/8/16 high tiles */
        case DC_SW_LINEAR:
                return dm_4k_tile;
        case DC_SW_4KB_S:
        case DC_SW_4KB_S_X:
                return dm_4k_tile;
        case DC_SW_64KB_S:
        case DC_SW_64KB_S_X:
        case DC_SW_64KB_S_T:
                return dm_64k_tile;
        case DC_SW_VAR_S:
        case DC_SW_VAR_S_X:
                return dm_256k_tile;

        /* For 64bpp 2 high tiles */
        case DC_SW_4KB_D:
        case DC_SW_4KB_D_X:
                return dm_4k_tile;
        case DC_SW_64KB_D:
        case DC_SW_64KB_D_X:
        case DC_SW_64KB_D_T:
                return dm_64k_tile;
        case DC_SW_VAR_D:
        case DC_SW_VAR_D_X:
                return dm_256k_tile;

        case DC_SW_4KB_R:
        case DC_SW_4KB_R_X:
                return dm_4k_tile;
        case DC_SW_64KB_R:
        case DC_SW_64KB_R_X:
                return dm_64k_tile;
        case DC_SW_VAR_R:
        case DC_SW_VAR_R_X:
                return dm_256k_tile;

        /* Unsupported swizzle modes for dcn */
        case DC_SW_256B_S:
        default:
                ASSERT(0); /* Not supported */
                return 0;
        }
}

static void pipe_ctx_to_e2e_pipe_params (
                const struct pipe_ctx *pipe,
                struct _vcs_dpi_display_pipe_params_st *input)
{
        input->src.is_hsplit = false;
        if (pipe->top_pipe != NULL && pipe->top_pipe->plane_state == pipe->plane_state)
                input->src.is_hsplit = true;
        else if (pipe->bottom_pipe != NULL && pipe->bottom_pipe->plane_state == pipe->plane_state)
                input->src.is_hsplit = true;

        if (pipe->plane_res.dpp->ctx->dc->debug.optimized_watermark) {
                /*
                 * this method requires us to always re-calculate watermark when dcc change
                 * between flip.
                 */
                input->src.dcc = pipe->plane_state->dcc.enable ? 1 : 0;
        } else {
                /*
                 * allow us to disable dcc on the fly without re-calculating WM
                 *
                 * extra overhead for DCC is quite small.  for 1080p WM without
                 * DCC is only 0.417us lower (urgent goes from 6.979us to 6.562us)
                 */
                unsigned int bpe;

                input->src.dcc = pipe->plane_res.dpp->ctx->dc->res_pool->hubbub->funcs->
                        dcc_support_pixel_format(pipe->plane_state->format, &bpe) ? 1 : 0;
        }
        input->src.dcc_rate            = 1;
        input->src.meta_pitch          = pipe->plane_state->dcc.meta_pitch;
        input->src.source_scan         = dm_horz;
        input->src.sw_mode             = pipe->plane_state->tiling_info.gfx9.swizzle;

        input->src.viewport_width      = pipe->plane_res.scl_data.viewport.width;
        input->src.viewport_height     = pipe->plane_res.scl_data.viewport.height;
        input->src.data_pitch          = pipe->plane_res.scl_data.viewport.width;
        input->src.data_pitch_c        = pipe->plane_res.scl_data.viewport.width;
        input->src.cur0_src_width      = 128; /* TODO: Cursor calcs, not curently stored */
        input->src.cur0_bpp            = 32;

        input->src.macro_tile_size = swizzle_mode_to_macro_tile_size(pipe->plane_state->tiling_info.gfx9.swizzle);

        switch (pipe->plane_state->rotation) {
        case ROTATION_ANGLE_0:
        case ROTATION_ANGLE_180:
                input->src.source_scan = dm_horz;
                break;
        case ROTATION_ANGLE_90:
        case ROTATION_ANGLE_270:
                input->src.source_scan = dm_vert;
                break;
        default:
                ASSERT(0); /* Not supported */
                break;
        }

        /* TODO: Fix pixel format mappings */
        switch (pipe->plane_state->format) {
        case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
        case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
                input->src.source_format = dm_420_8;
                input->src.viewport_width_c    = input->src.viewport_width / 2;
                input->src.viewport_height_c   = input->src.viewport_height / 2;
                break;
        case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
        case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
                input->src.source_format = dm_420_10;
                input->src.viewport_width_c    = input->src.viewport_width / 2;
                input->src.viewport_height_c   = input->src.viewport_height / 2;
                break;
        case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
        case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
        case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
                input->src.source_format = dm_444_64;
                input->src.viewport_width_c    = input->src.viewport_width;
                input->src.viewport_height_c   = input->src.viewport_height;
                break;
        default:
                input->src.source_format = dm_444_32;
                input->src.viewport_width_c    = input->src.viewport_width;
                input->src.viewport_height_c   = input->src.viewport_height;
                break;
        }

        input->scale_taps.htaps                = pipe->plane_res.scl_data.taps.h_taps;
        input->scale_ratio_depth.hscl_ratio    = pipe->plane_res.scl_data.ratios.horz.value/4294967296.0;
        input->scale_ratio_depth.vscl_ratio    = pipe->plane_res.scl_data.ratios.vert.value/4294967296.0;
        input->scale_ratio_depth.vinit =  pipe->plane_res.scl_data.inits.v.value/4294967296.0;
        if (input->scale_ratio_depth.vinit < 1.0)
                        input->scale_ratio_depth.vinit = 1;
        input->scale_taps.vtaps = pipe->plane_res.scl_data.taps.v_taps;
        input->scale_taps.vtaps_c = pipe->plane_res.scl_data.taps.v_taps_c;
        input->scale_taps.htaps_c              = pipe->plane_res.scl_data.taps.h_taps_c;
        input->scale_ratio_depth.hscl_ratio_c  = pipe->plane_res.scl_data.ratios.horz_c.value/4294967296.0;
        input->scale_ratio_depth.vscl_ratio_c  = pipe->plane_res.scl_data.ratios.vert_c.value/4294967296.0;
        input->scale_ratio_depth.vinit_c       = pipe->plane_res.scl_data.inits.v_c.value/4294967296.0;
        if (input->scale_ratio_depth.vinit_c < 1.0)
                        input->scale_ratio_depth.vinit_c = 1;
        switch (pipe->plane_res.scl_data.lb_params.depth) {
        case LB_PIXEL_DEPTH_30BPP:
                input->scale_ratio_depth.lb_depth = 30; break;
        case LB_PIXEL_DEPTH_36BPP:
                input->scale_ratio_depth.lb_depth = 36; break;
        default:
                input->scale_ratio_depth.lb_depth = 24; break;
        }


        input->dest.vactive        = pipe->stream->timing.v_addressable + pipe->stream->timing.v_border_top
                        + pipe->stream->timing.v_border_bottom;

        input->dest.recout_width   = pipe->plane_res.scl_data.recout.width;
        input->dest.recout_height  = pipe->plane_res.scl_data.recout.height;

        input->dest.full_recout_width   = pipe->plane_res.scl_data.recout.width;
        input->dest.full_recout_height  = pipe->plane_res.scl_data.recout.height;

        input->dest.htotal         = pipe->stream->timing.h_total;
        input->dest.hblank_start   = input->dest.htotal - pipe->stream->timing.h_front_porch;
        input->dest.hblank_end     = input->dest.hblank_start
                        - pipe->stream->timing.h_addressable
                        - pipe->stream->timing.h_border_left
                        - pipe->stream->timing.h_border_right;

        input->dest.vtotal         = pipe->stream->timing.v_total;
        input->dest.vblank_start   = input->dest.vtotal - pipe->stream->timing.v_front_porch;
        input->dest.vblank_end     = input->dest.vblank_start
                        - pipe->stream->timing.v_addressable
                        - pipe->stream->timing.v_border_bottom
                        - pipe->stream->timing.v_border_top;
        input->dest.pixel_rate_mhz = pipe->stream->timing.pix_clk_100hz/10000.0;
        input->dest.vstartup_start = pipe->pipe_dlg_param.vstartup_start;
        input->dest.vupdate_offset = pipe->pipe_dlg_param.vupdate_offset;
        input->dest.vupdate_offset = pipe->pipe_dlg_param.vupdate_offset;
        input->dest.vupdate_width = pipe->pipe_dlg_param.vupdate_width;

}

static void dcn_bw_calc_rq_dlg_ttu(
                const struct dc *dc,
                const struct dcn_bw_internal_vars *v,
                struct pipe_ctx *pipe,
                int in_idx)
{
        struct display_mode_lib *dml = (struct display_mode_lib *)(&dc->dml);
        struct _vcs_dpi_display_dlg_regs_st *dlg_regs = &pipe->dlg_regs;
        struct _vcs_dpi_display_ttu_regs_st *ttu_regs = &pipe->ttu_regs;
        struct _vcs_dpi_display_rq_regs_st *rq_regs = &pipe->rq_regs;
        struct _vcs_dpi_display_rq_params_st rq_param = {0};
        struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param = {0};
        struct _vcs_dpi_display_e2e_pipe_params_st input = { { { 0 } } };
        float total_active_bw = 0;
        float total_prefetch_bw = 0;
        int total_flip_bytes = 0;
        int i;

        memset(dlg_regs, 0, sizeof(*dlg_regs));
        memset(ttu_regs, 0, sizeof(*ttu_regs));
        memset(rq_regs, 0, sizeof(*rq_regs));

        for (i = 0; i < number_of_planes; i++) {
                total_active_bw += v->read_bandwidth[i];
                total_prefetch_bw += v->prefetch_bandwidth[i];
                total_flip_bytes += v->total_immediate_flip_bytes[i];
        }
        dlg_sys_param.total_flip_bw = v->return_bw - dcn_bw_max2(total_active_bw, total_prefetch_bw);
        if (dlg_sys_param.total_flip_bw < 0.0)
                dlg_sys_param.total_flip_bw = 0;

        dlg_sys_param.t_mclk_wm_us = v->dram_clock_change_watermark;
        dlg_sys_param.t_sr_wm_us = v->stutter_enter_plus_exit_watermark;
        dlg_sys_param.t_urg_wm_us = v->urgent_watermark;
        dlg_sys_param.t_extra_us = v->urgent_extra_latency;
        dlg_sys_param.deepsleep_dcfclk_mhz = v->dcf_clk_deep_sleep;
        dlg_sys_param.total_flip_bytes = total_flip_bytes;

        pipe_ctx_to_e2e_pipe_params(pipe, &input.pipe);
        input.clks_cfg.dcfclk_mhz = v->dcfclk;
        input.clks_cfg.dispclk_mhz = v->dispclk;
        input.clks_cfg.dppclk_mhz = v->dppclk;
        input.clks_cfg.refclk_mhz = dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000.0;
        input.clks_cfg.socclk_mhz = v->socclk;
        input.clks_cfg.voltage = v->voltage_level;
//      dc->dml.logger = pool->base.logger;
        input.dout.output_format = (v->output_format[in_idx] == dcn_bw_420) ? dm_420 : dm_444;
        input.dout.output_type  = (v->output[in_idx] == dcn_bw_hdmi) ? dm_hdmi : dm_dp;
        //input[in_idx].dout.output_standard;

        /*todo: soc->sr_enter_plus_exit_time??*/
        dlg_sys_param.t_srx_delay_us = dc->dcn_ip->dcfclk_cstate_latency / v->dcf_clk_deep_sleep;

        dml1_rq_dlg_get_rq_params(dml, &rq_param, input.pipe.src);
        dml1_extract_rq_regs(dml, rq_regs, rq_param);
        dml1_rq_dlg_get_dlg_params(
                        dml,
                        dlg_regs,
                        ttu_regs,
                        rq_param.dlg,
                        dlg_sys_param,
                        input,
                        true,
                        true,
                        v->pte_enable == dcn_bw_yes,
                        pipe->plane_state->flip_immediate);
}

static void split_stream_across_pipes(
                struct resource_context *res_ctx,
                const struct resource_pool *pool,
                struct pipe_ctx *primary_pipe,
                struct pipe_ctx *secondary_pipe)
{
        int pipe_idx = secondary_pipe->pipe_idx;

        if (!primary_pipe->plane_state)
                return;

        *secondary_pipe = *primary_pipe;

        secondary_pipe->pipe_idx = pipe_idx;
        secondary_pipe->plane_res.mi = pool->mis[secondary_pipe->pipe_idx];
        secondary_pipe->plane_res.hubp = pool->hubps[secondary_pipe->pipe_idx];
        secondary_pipe->plane_res.ipp = pool->ipps[secondary_pipe->pipe_idx];
        secondary_pipe->plane_res.xfm = pool->transforms[secondary_pipe->pipe_idx];
        secondary_pipe->plane_res.dpp = pool->dpps[secondary_pipe->pipe_idx];
        secondary_pipe->plane_res.mpcc_inst = pool->dpps[secondary_pipe->pipe_idx]->inst;
        if (primary_pipe->bottom_pipe) {
                ASSERT(primary_pipe->bottom_pipe != secondary_pipe);
                secondary_pipe->bottom_pipe = primary_pipe->bottom_pipe;
                secondary_pipe->bottom_pipe->top_pipe = secondary_pipe;
        }
        primary_pipe->bottom_pipe = secondary_pipe;
        secondary_pipe->top_pipe = primary_pipe;

        resource_build_scaling_params(primary_pipe);
        resource_build_scaling_params(secondary_pipe);
}

#if 0
static void calc_wm_sets_and_perf_params(
                struct dc_state *context,
                struct dcn_bw_internal_vars *v)
{
        /* Calculate set A last to keep internal var state consistent for required config */
        if (v->voltage_level < 2) {
                v->fabric_and_dram_bandwidth_per_state[1] = v->fabric_and_dram_bandwidth_vnom0p8;
                v->fabric_and_dram_bandwidth_per_state[0] = v->fabric_and_dram_bandwidth_vnom0p8;
                v->fabric_and_dram_bandwidth = v->fabric_and_dram_bandwidth_vnom0p8;
                dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation(v);

                context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_exit_ns =
                        v->stutter_exit_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns =
                                v->stutter_enter_plus_exit_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.pstate_change_ns =
                                v->dram_clock_change_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.b.pte_meta_urgent_ns = v->ptemeta_urgent_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.b.urgent_ns = v->urgent_watermark * 1000;

                v->dcfclk_per_state[1] = v->dcfclkv_nom0p8;
                v->dcfclk_per_state[0] = v->dcfclkv_nom0p8;
                v->dcfclk = v->dcfclkv_nom0p8;
                dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation(v);

                context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_exit_ns =
                        v->stutter_exit_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns =
                                v->stutter_enter_plus_exit_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.pstate_change_ns =
                                v->dram_clock_change_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.c.pte_meta_urgent_ns = v->ptemeta_urgent_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.c.urgent_ns = v->urgent_watermark * 1000;
        }

        if (v->voltage_level < 3) {
                v->fabric_and_dram_bandwidth_per_state[2] = v->fabric_and_dram_bandwidth_vmax0p9;
                v->fabric_and_dram_bandwidth_per_state[1] = v->fabric_and_dram_bandwidth_vmax0p9;
                v->fabric_and_dram_bandwidth_per_state[0] = v->fabric_and_dram_bandwidth_vmax0p9;
                v->fabric_and_dram_bandwidth = v->fabric_and_dram_bandwidth_vmax0p9;
                v->dcfclk_per_state[2] = v->dcfclkv_max0p9;
                v->dcfclk_per_state[1] = v->dcfclkv_max0p9;
                v->dcfclk_per_state[0] = v->dcfclkv_max0p9;
                v->dcfclk = v->dcfclkv_max0p9;
                dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation(v);

                context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_exit_ns =
                        v->stutter_exit_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns =
                                v->stutter_enter_plus_exit_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.pstate_change_ns =
                                v->dram_clock_change_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.d.pte_meta_urgent_ns = v->ptemeta_urgent_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.d.urgent_ns = v->urgent_watermark * 1000;
        }

        v->fabric_and_dram_bandwidth_per_state[2] = v->fabric_and_dram_bandwidth_vnom0p8;
        v->fabric_and_dram_bandwidth_per_state[1] = v->fabric_and_dram_bandwidth_vmid0p72;
        v->fabric_and_dram_bandwidth_per_state[0] = v->fabric_and_dram_bandwidth_vmin0p65;
        v->fabric_and_dram_bandwidth = v->fabric_and_dram_bandwidth_per_state[v->voltage_level];
        v->dcfclk_per_state[2] = v->dcfclkv_nom0p8;
        v->dcfclk_per_state[1] = v->dcfclkv_mid0p72;
        v->dcfclk_per_state[0] = v->dcfclkv_min0p65;
        v->dcfclk = v->dcfclk_per_state[v->voltage_level];
        dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation(v);

        context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_exit_ns =
                v->stutter_exit_watermark * 1000;
        context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns =
                        v->stutter_enter_plus_exit_watermark * 1000;
        context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns =
                        v->dram_clock_change_watermark * 1000;
        context->bw_ctx.bw.dcn.watermarks.a.pte_meta_urgent_ns = v->ptemeta_urgent_watermark * 1000;
        context->bw_ctx.bw.dcn.watermarks.a.urgent_ns = v->urgent_watermark * 1000;
        if (v->voltage_level >= 2) {
                context->bw_ctx.bw.dcn.watermarks.b = context->bw_ctx.bw.dcn.watermarks.a;
                context->bw_ctx.bw.dcn.watermarks.c = context->bw_ctx.bw.dcn.watermarks.a;
        }
        if (v->voltage_level >= 3)
                context->bw_ctx.bw.dcn.watermarks.d = context->bw_ctx.bw.dcn.watermarks.a;
}
#endif

static bool dcn_bw_apply_registry_override(struct dc *dc)
{
        bool updated = false;

        DC_FP_START();
        if ((int)(dc->dcn_soc->sr_exit_time * 1000) != dc->debug.sr_exit_time_ns
                        && dc->debug.sr_exit_time_ns) {
                updated = true;
                dc->dcn_soc->sr_exit_time = dc->debug.sr_exit_time_ns / 1000.0;
        }

        if ((int)(dc->dcn_soc->sr_enter_plus_exit_time * 1000)
                                != dc->debug.sr_enter_plus_exit_time_ns
                        && dc->debug.sr_enter_plus_exit_time_ns) {
                updated = true;
                dc->dcn_soc->sr_enter_plus_exit_time =
                                dc->debug.sr_enter_plus_exit_time_ns / 1000.0;
        }

        if ((int)(dc->dcn_soc->urgent_latency * 1000) != dc->debug.urgent_latency_ns
                        && dc->debug.urgent_latency_ns) {
                updated = true;
                dc->dcn_soc->urgent_latency = dc->debug.urgent_latency_ns / 1000.0;
        }

        if ((int)(dc->dcn_soc->percent_of_ideal_drambw_received_after_urg_latency * 1000)
                                != dc->debug.percent_of_ideal_drambw
                        && dc->debug.percent_of_ideal_drambw) {
                updated = true;
                dc->dcn_soc->percent_of_ideal_drambw_received_after_urg_latency =
                                dc->debug.percent_of_ideal_drambw;
        }

        if ((int)(dc->dcn_soc->dram_clock_change_latency * 1000)
                                != dc->debug.dram_clock_change_latency_ns
                        && dc->debug.dram_clock_change_latency_ns) {
                updated = true;
                dc->dcn_soc->dram_clock_change_latency =
                                dc->debug.dram_clock_change_latency_ns / 1000.0;
        }
        DC_FP_END();

        return updated;
}

static void hack_disable_optional_pipe_split(struct dcn_bw_internal_vars *v)
{
        /*
         * disable optional pipe split by lower dispclk bounding box
         * at DPM0
         */
        v->max_dispclk[0] = v->max_dppclk_vmin0p65;
}

static void hack_force_pipe_split(struct dcn_bw_internal_vars *v,
                unsigned int pixel_rate_100hz)
{
        float pixel_rate_mhz = pixel_rate_100hz / 10000;

        /*
         * force enabling pipe split by lower dpp clock for DPM0 to just
         * below the specify pixel_rate, so bw calc would split pipe.
         */
        if (pixel_rate_mhz < v->max_dppclk[0])
                v->max_dppclk[0] = pixel_rate_mhz;
}

static void hack_bounding_box(struct dcn_bw_internal_vars *v,
                struct dc_debug_options *dbg,
                struct dc_state *context)
{
        if (dbg->pipe_split_policy == MPC_SPLIT_AVOID)
                hack_disable_optional_pipe_split(v);

        if (dbg->pipe_split_policy == MPC_SPLIT_AVOID_MULT_DISP &&
                context->stream_count >= 2)
                hack_disable_optional_pipe_split(v);

        if (context->stream_count == 1 &&
                        dbg->force_single_disp_pipe_split)
                hack_force_pipe_split(v, context->streams[0]->timing.pix_clk_100hz);
}


unsigned int get_highest_allowed_voltage_level(uint32_t hw_internal_rev)
{
        /* for dali & pollock, the highest voltage level we want is 0 */
        if (ASICREV_IS_POLLOCK(hw_internal_rev) || ASICREV_IS_DALI(hw_internal_rev))
                return 0;

        /* we are ok with all levels */
        return 4;
}

bool dcn_validate_bandwidth(
                struct dc *dc,
                struct dc_state *context,
                bool fast_validate)
{
        /*
         * we want a breakdown of the various stages of validation, which the
         * perf_trace macro doesn't support
         */
        BW_VAL_TRACE_SETUP();

        const struct resource_pool *pool = dc->res_pool;
        struct dcn_bw_internal_vars *v = &context->dcn_bw_vars;
        int i, input_idx, k;
        int vesa_sync_start, asic_blank_end, asic_blank_start;
        bool bw_limit_pass;
        float bw_limit;

        PERFORMANCE_TRACE_START();

        BW_VAL_TRACE_COUNT();

        if (dcn_bw_apply_registry_override(dc))
                dcn_bw_sync_calcs_and_dml(dc);

        memset(v, 0, sizeof(*v));
        DC_FP_START();

        v->sr_exit_time = dc->dcn_soc->sr_exit_time;
        v->sr_enter_plus_exit_time = dc->dcn_soc->sr_enter_plus_exit_time;
        v->urgent_latency = dc->dcn_soc->urgent_latency;
        v->write_back_latency = dc->dcn_soc->write_back_latency;
        v->percent_of_ideal_drambw_received_after_urg_latency =
                        dc->dcn_soc->percent_of_ideal_drambw_received_after_urg_latency;

        v->dcfclkv_min0p65 = dc->dcn_soc->dcfclkv_min0p65;
        v->dcfclkv_mid0p72 = dc->dcn_soc->dcfclkv_mid0p72;
        v->dcfclkv_nom0p8 = dc->dcn_soc->dcfclkv_nom0p8;
        v->dcfclkv_max0p9 = dc->dcn_soc->dcfclkv_max0p9;

        v->max_dispclk_vmin0p65 = dc->dcn_soc->max_dispclk_vmin0p65;
        v->max_dispclk_vmid0p72 = dc->dcn_soc->max_dispclk_vmid0p72;
        v->max_dispclk_vnom0p8 = dc->dcn_soc->max_dispclk_vnom0p8;
        v->max_dispclk_vmax0p9 = dc->dcn_soc->max_dispclk_vmax0p9;

        v->max_dppclk_vmin0p65 = dc->dcn_soc->max_dppclk_vmin0p65;
        v->max_dppclk_vmid0p72 = dc->dcn_soc->max_dppclk_vmid0p72;
        v->max_dppclk_vnom0p8 = dc->dcn_soc->max_dppclk_vnom0p8;
        v->max_dppclk_vmax0p9 = dc->dcn_soc->max_dppclk_vmax0p9;

        v->socclk = dc->dcn_soc->socclk;

        v->fabric_and_dram_bandwidth_vmin0p65 = dc->dcn_soc->fabric_and_dram_bandwidth_vmin0p65;
        v->fabric_and_dram_bandwidth_vmid0p72 = dc->dcn_soc->fabric_and_dram_bandwidth_vmid0p72;
        v->fabric_and_dram_bandwidth_vnom0p8 = dc->dcn_soc->fabric_and_dram_bandwidth_vnom0p8;
        v->fabric_and_dram_bandwidth_vmax0p9 = dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9;

        v->phyclkv_min0p65 = dc->dcn_soc->phyclkv_min0p65;
        v->phyclkv_mid0p72 = dc->dcn_soc->phyclkv_mid0p72;
        v->phyclkv_nom0p8 = dc->dcn_soc->phyclkv_nom0p8;
        v->phyclkv_max0p9 = dc->dcn_soc->phyclkv_max0p9;

        v->downspreading = dc->dcn_soc->downspreading;
        v->round_trip_ping_latency_cycles = dc->dcn_soc->round_trip_ping_latency_cycles;
        v->urgent_out_of_order_return_per_channel = dc->dcn_soc->urgent_out_of_order_return_per_channel;
        v->number_of_channels = dc->dcn_soc->number_of_channels;
        v->vmm_page_size = dc->dcn_soc->vmm_page_size;
        v->dram_clock_change_latency = dc->dcn_soc->dram_clock_change_latency;
        v->return_bus_width = dc->dcn_soc->return_bus_width;

        v->rob_buffer_size_in_kbyte = dc->dcn_ip->rob_buffer_size_in_kbyte;
        v->det_buffer_size_in_kbyte = dc->dcn_ip->det_buffer_size_in_kbyte;
        v->dpp_output_buffer_pixels = dc->dcn_ip->dpp_output_buffer_pixels;
        v->opp_output_buffer_lines = dc->dcn_ip->opp_output_buffer_lines;
        v->pixel_chunk_size_in_kbyte = dc->dcn_ip->pixel_chunk_size_in_kbyte;
        v->pte_enable = dc->dcn_ip->pte_enable;
        v->pte_chunk_size = dc->dcn_ip->pte_chunk_size;
        v->meta_chunk_size = dc->dcn_ip->meta_chunk_size;
        v->writeback_chunk_size = dc->dcn_ip->writeback_chunk_size;
        v->odm_capability = dc->dcn_ip->odm_capability;
        v->dsc_capability = dc->dcn_ip->dsc_capability;
        v->line_buffer_size = dc->dcn_ip->line_buffer_size;
        v->is_line_buffer_bpp_fixed = dc->dcn_ip->is_line_buffer_bpp_fixed;
        v->line_buffer_fixed_bpp = dc->dcn_ip->line_buffer_fixed_bpp;
        v->max_line_buffer_lines = dc->dcn_ip->max_line_buffer_lines;
        v->writeback_luma_buffer_size = dc->dcn_ip->writeback_luma_buffer_size;
        v->writeback_chroma_buffer_size = dc->dcn_ip->writeback_chroma_buffer_size;
        v->max_num_dpp = dc->dcn_ip->max_num_dpp;
        v->max_num_writeback = dc->dcn_ip->max_num_writeback;
        v->max_dchub_topscl_throughput = dc->dcn_ip->max_dchub_topscl_throughput;
        v->max_pscl_tolb_throughput = dc->dcn_ip->max_pscl_tolb_throughput;
        v->max_lb_tovscl_throughput = dc->dcn_ip->max_lb_tovscl_throughput;
        v->max_vscl_tohscl_throughput = dc->dcn_ip->max_vscl_tohscl_throughput;
        v->max_hscl_ratio = dc->dcn_ip->max_hscl_ratio;
        v->max_vscl_ratio = dc->dcn_ip->max_vscl_ratio;
        v->max_hscl_taps = dc->dcn_ip->max_hscl_taps;
        v->max_vscl_taps = dc->dcn_ip->max_vscl_taps;
        v->under_scan_factor = dc->dcn_ip->under_scan_factor;
        v->pte_buffer_size_in_requests = dc->dcn_ip->pte_buffer_size_in_requests;
        v->dispclk_ramping_margin = dc->dcn_ip->dispclk_ramping_margin;
        v->max_inter_dcn_tile_repeaters = dc->dcn_ip->max_inter_dcn_tile_repeaters;
        v->can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one =
                        dc->dcn_ip->can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one;
        v->bug_forcing_luma_and_chroma_request_to_same_size_fixed =
                        dc->dcn_ip->bug_forcing_luma_and_chroma_request_to_same_size_fixed;

        v->voltage[5] = dcn_bw_no_support;
        v->voltage[4] = dcn_bw_v_max0p9;
        v->voltage[3] = dcn_bw_v_max0p9;
        v->voltage[2] = dcn_bw_v_nom0p8;
        v->voltage[1] = dcn_bw_v_mid0p72;
        v->voltage[0] = dcn_bw_v_min0p65;
        v->fabric_and_dram_bandwidth_per_state[5] = v->fabric_and_dram_bandwidth_vmax0p9;
        v->fabric_and_dram_bandwidth_per_state[4] = v->fabric_and_dram_bandwidth_vmax0p9;
        v->fabric_and_dram_bandwidth_per_state[3] = v->fabric_and_dram_bandwidth_vmax0p9;
        v->fabric_and_dram_bandwidth_per_state[2] = v->fabric_and_dram_bandwidth_vnom0p8;
        v->fabric_and_dram_bandwidth_per_state[1] = v->fabric_and_dram_bandwidth_vmid0p72;
        v->fabric_and_dram_bandwidth_per_state[0] = v->fabric_and_dram_bandwidth_vmin0p65;
        v->dcfclk_per_state[5] = v->dcfclkv_max0p9;
        v->dcfclk_per_state[4] = v->dcfclkv_max0p9;
        v->dcfclk_per_state[3] = v->dcfclkv_max0p9;
        v->dcfclk_per_state[2] = v->dcfclkv_nom0p8;
        v->dcfclk_per_state[1] = v->dcfclkv_mid0p72;
        v->dcfclk_per_state[0] = v->dcfclkv_min0p65;
        v->max_dispclk[5] = v->max_dispclk_vmax0p9;
        v->max_dispclk[4] = v->max_dispclk_vmax0p9;
        v->max_dispclk[3] = v->max_dispclk_vmax0p9;
        v->max_dispclk[2] = v->max_dispclk_vnom0p8;
        v->max_dispclk[1] = v->max_dispclk_vmid0p72;
        v->max_dispclk[0] = v->max_dispclk_vmin0p65;
        v->max_dppclk[5] = v->max_dppclk_vmax0p9;
        v->max_dppclk[4] = v->max_dppclk_vmax0p9;
        v->max_dppclk[3] = v->max_dppclk_vmax0p9;
        v->max_dppclk[2] = v->max_dppclk_vnom0p8;
        v->max_dppclk[1] = v->max_dppclk_vmid0p72;
        v->max_dppclk[0] = v->max_dppclk_vmin0p65;
        v->phyclk_per_state[5] = v->phyclkv_max0p9;
        v->phyclk_per_state[4] = v->phyclkv_max0p9;
        v->phyclk_per_state[3] = v->phyclkv_max0p9;
        v->phyclk_per_state[2] = v->phyclkv_nom0p8;
        v->phyclk_per_state[1] = v->phyclkv_mid0p72;
        v->phyclk_per_state[0] = v->phyclkv_min0p65;
        v->synchronized_vblank = dcn_bw_no;
        v->ta_pscalculation = dcn_bw_override;
        v->allow_different_hratio_vratio = dcn_bw_yes;

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

                if (!pipe->stream)
                        continue;
                /* skip all but first of split pipes */
                if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state)
                        continue;

                v->underscan_output[input_idx] = false; /* taken care of in recout already*/
                v->interlace_output[input_idx] = false;

                v->htotal[input_idx] = pipe->stream->timing.h_total;
                v->vtotal[input_idx] = pipe->stream->timing.v_total;
                v->vactive[input_idx] = pipe->stream->timing.v_addressable +
                                pipe->stream->timing.v_border_top + pipe->stream->timing.v_border_bottom;
                v->v_sync_plus_back_porch[input_idx] = pipe->stream->timing.v_total
                                - v->vactive[input_idx]
                                - pipe->stream->timing.v_front_porch;
                v->pixel_clock[input_idx] = pipe->stream->timing.pix_clk_100hz/10000.0;
                if (pipe->stream->timing.timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING)
                        v->pixel_clock[input_idx] *= 2;
                if (!pipe->plane_state) {
                        v->dcc_enable[input_idx] = dcn_bw_yes;
                        v->source_pixel_format[input_idx] = dcn_bw_rgb_sub_32;
                        v->source_surface_mode[input_idx] = dcn_bw_sw_4_kb_s;
                        v->lb_bit_per_pixel[input_idx] = 30;
                        v->viewport_width[input_idx] = pipe->stream->timing.h_addressable;
                        v->viewport_height[input_idx] = pipe->stream->timing.v_addressable;
                        /*
                         * for cases where we have no plane, we want to validate up to 1080p
                         * source size because here we are only interested in if the output
                         * timing is supported or not. if we cannot support native resolution
                         * of the high res display, we still want to support lower res up scale
                         * to native
                         */
                        if (v->viewport_width[input_idx] > 1920)
                                v->viewport_width[input_idx] = 1920;
                        if (v->viewport_height[input_idx] > 1080)
                                v->viewport_height[input_idx] = 1080;
                        v->scaler_rec_out_width[input_idx] = v->viewport_width[input_idx];
                        v->scaler_recout_height[input_idx] = v->viewport_height[input_idx];
                        v->override_hta_ps[input_idx] = 1;
                        v->override_vta_ps[input_idx] = 1;
                        v->override_hta_pschroma[input_idx] = 1;
                        v->override_vta_pschroma[input_idx] = 1;
                        v->source_scan[input_idx] = dcn_bw_hor;

                } else {
                        v->viewport_height[input_idx] =  pipe->plane_res.scl_data.viewport.height;
                        v->viewport_width[input_idx] = pipe->plane_res.scl_data.viewport.width;
                        v->scaler_rec_out_width[input_idx] = pipe->plane_res.scl_data.recout.width;
                        v->scaler_recout_height[input_idx] = pipe->plane_res.scl_data.recout.height;
                        if (pipe->bottom_pipe && pipe->bottom_pipe->plane_state == pipe->plane_state) {
                                if (pipe->plane_state->rotation % 2 == 0) {
                                        int viewport_end = pipe->plane_res.scl_data.viewport.width
                                                        + pipe->plane_res.scl_data.viewport.x;
                                        int viewport_b_end = pipe->bottom_pipe->plane_res.scl_data.viewport.width
                                                        + pipe->bottom_pipe->plane_res.scl_data.viewport.x;

                                        if (viewport_end > viewport_b_end)
                                                v->viewport_width[input_idx] = viewport_end
                                                        - pipe->bottom_pipe->plane_res.scl_data.viewport.x;
                                        else
                                                v->viewport_width[input_idx] = viewport_b_end
                                                                        - pipe->plane_res.scl_data.viewport.x;
                                } else  {
                                        int viewport_end = pipe->plane_res.scl_data.viewport.height
                                                + pipe->plane_res.scl_data.viewport.y;
                                        int viewport_b_end = pipe->bottom_pipe->plane_res.scl_data.viewport.height
                                                + pipe->bottom_pipe->plane_res.scl_data.viewport.y;

                                        if (viewport_end > viewport_b_end)
                                                v->viewport_height[input_idx] = viewport_end
                                                        - pipe->bottom_pipe->plane_res.scl_data.viewport.y;
                                        else
                                                v->viewport_height[input_idx] = viewport_b_end
                                                                        - pipe->plane_res.scl_data.viewport.y;
                                }
                                v->scaler_rec_out_width[input_idx] = pipe->plane_res.scl_data.recout.width
                                                + pipe->bottom_pipe->plane_res.scl_data.recout.width;
                        }

                        if (pipe->plane_state->rotation % 2 == 0) {
                                ASSERT(pipe->plane_res.scl_data.ratios.horz.value != dc_fixpt_one.value
                                        || v->scaler_rec_out_width[input_idx] == v->viewport_width[input_idx]);
                                ASSERT(pipe->plane_res.scl_data.ratios.vert.value != dc_fixpt_one.value
                                        || v->scaler_recout_height[input_idx] == v->viewport_height[input_idx]);
                        } else {
                                ASSERT(pipe->plane_res.scl_data.ratios.horz.value != dc_fixpt_one.value
                                        || v->scaler_recout_height[input_idx] == v->viewport_width[input_idx]);
                                ASSERT(pipe->plane_res.scl_data.ratios.vert.value != dc_fixpt_one.value
                                        || v->scaler_rec_out_width[input_idx] == v->viewport_height[input_idx]);
                        }

                        if (dc->debug.optimized_watermark) {
                                /*
                                 * this method requires us to always re-calculate watermark when dcc change
                                 * between flip.
                                 */
                                v->dcc_enable[input_idx] = pipe->plane_state->dcc.enable ? dcn_bw_yes : dcn_bw_no;
                        } else {
                                /*
                                 * allow us to disable dcc on the fly without re-calculating WM
                                 *
                                 * extra overhead for DCC is quite small.  for 1080p WM without
                                 * DCC is only 0.417us lower (urgent goes from 6.979us to 6.562us)
                                 */
                                unsigned int bpe;

                                v->dcc_enable[input_idx] = dc->res_pool->hubbub->funcs->dcc_support_pixel_format(
                                                pipe->plane_state->format, &bpe) ? dcn_bw_yes : dcn_bw_no;
                        }

                        v->source_pixel_format[input_idx] = tl_pixel_format_to_bw_defs(
                                        pipe->plane_state->format);
                        v->source_surface_mode[input_idx] = tl_sw_mode_to_bw_defs(
                                        pipe->plane_state->tiling_info.gfx9.swizzle);
                        v->lb_bit_per_pixel[input_idx] = tl_lb_bpp_to_int(pipe->plane_res.scl_data.lb_params.depth);
                        v->override_hta_ps[input_idx] = pipe->plane_res.scl_data.taps.h_taps;
                        v->override_vta_ps[input_idx] = pipe->plane_res.scl_data.taps.v_taps;
                        v->override_hta_pschroma[input_idx] = pipe->plane_res.scl_data.taps.h_taps_c;
                        v->override_vta_pschroma[input_idx] = pipe->plane_res.scl_data.taps.v_taps_c;
                        /*
                         * Spreadsheet doesn't handle taps_c is one properly,
                         * need to force Chroma to always be scaled to pass
                         * bandwidth validation.
                         */
                        if (v->override_hta_pschroma[input_idx] == 1)
                                v->override_hta_pschroma[input_idx] = 2;
                        if (v->override_vta_pschroma[input_idx] == 1)
                                v->override_vta_pschroma[input_idx] = 2;
                        v->source_scan[input_idx] = (pipe->plane_state->rotation % 2) ? dcn_bw_vert : dcn_bw_hor;
                }
                if (v->is_line_buffer_bpp_fixed == dcn_bw_yes)
                        v->lb_bit_per_pixel[input_idx] = v->line_buffer_fixed_bpp;
                v->dcc_rate[input_idx] = 1; /*TODO: Worst case? does this change?*/
                v->output_format[input_idx] = pipe->stream->timing.pixel_encoding ==
                                PIXEL_ENCODING_YCBCR420 ? dcn_bw_420 : dcn_bw_444;
                v->output[input_idx] = pipe->stream->signal ==
                                SIGNAL_TYPE_HDMI_TYPE_A ? dcn_bw_hdmi : dcn_bw_dp;
                v->output_deep_color[input_idx] = dcn_bw_encoder_8bpc;
                if (v->output[input_idx] == dcn_bw_hdmi) {
                        switch (pipe->stream->timing.display_color_depth) {
                        case COLOR_DEPTH_101010:
                                v->output_deep_color[input_idx] = dcn_bw_encoder_10bpc;
                                break;
                        case COLOR_DEPTH_121212:
                                v->output_deep_color[input_idx]  = dcn_bw_encoder_12bpc;
                                break;
                        case COLOR_DEPTH_161616:
                                v->output_deep_color[input_idx]  = dcn_bw_encoder_16bpc;
                                break;
                        default:
                                break;
                        }
                }

                input_idx++;
        }
        v->number_of_active_planes = input_idx;

        scaler_settings_calculation(v);

        hack_bounding_box(v, &dc->debug, context);

        mode_support_and_system_configuration(v);

        /* Unhack dppclk: dont bother with trying to pipe split if we cannot maintain dpm0 */
        if (v->voltage_level != 0
                        && context->stream_count == 1
                        && dc->debug.force_single_disp_pipe_split) {
                v->max_dppclk[0] = v->max_dppclk_vmin0p65;
                mode_support_and_system_configuration(v);
        }

        if (v->voltage_level == 0 &&
                        (dc->debug.sr_exit_time_dpm0_ns
                                || dc->debug.sr_enter_plus_exit_time_dpm0_ns)) {

                if (dc->debug.sr_enter_plus_exit_time_dpm0_ns)
                        v->sr_enter_plus_exit_time =
                                dc->debug.sr_enter_plus_exit_time_dpm0_ns / 1000.0f;
                if (dc->debug.sr_exit_time_dpm0_ns)
                        v->sr_exit_time =  dc->debug.sr_exit_time_dpm0_ns / 1000.0f;
                context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = v->sr_enter_plus_exit_time;
                context->bw_ctx.dml.soc.sr_exit_time_us = v->sr_exit_time;
                mode_support_and_system_configuration(v);
        }

        display_pipe_configuration(v);

        for (k = 0; k <= v->number_of_active_planes - 1; k++) {
                if (v->source_scan[k] == dcn_bw_hor)
                        v->swath_width_y[k] = v->viewport_width[k] / v->dpp_per_plane[k];
                else
                        v->swath_width_y[k] = v->viewport_height[k] / v->dpp_per_plane[k];
        }
        for (k = 0; k <= v->number_of_active_planes - 1; k++) {
                if (v->source_pixel_format[k] == dcn_bw_rgb_sub_64) {
                        v->byte_per_pixel_dety[k] = 8.0;
                        v->byte_per_pixel_detc[k] = 0.0;
                } else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_32) {
                        v->byte_per_pixel_dety[k] = 4.0;
                        v->byte_per_pixel_detc[k] = 0.0;
                } else if (v->source_pixel_format[k] == dcn_bw_rgb_sub_16) {
                        v->byte_per_pixel_dety[k] = 2.0;
                        v->byte_per_pixel_detc[k] = 0.0;
                } else if (v->source_pixel_format[k] == dcn_bw_yuv420_sub_8) {
                        v->byte_per_pixel_dety[k] = 1.0;
                        v->byte_per_pixel_detc[k] = 2.0;
                } else {
                        v->byte_per_pixel_dety[k] = 4.0f / 3.0f;
                        v->byte_per_pixel_detc[k] = 8.0f / 3.0f;
                }
        }

        v->total_data_read_bandwidth = 0.0;
        for (k = 0; k <= v->number_of_active_planes - 1; k++) {
                v->read_bandwidth_plane_luma[k] = v->swath_width_y[k] * v->dpp_per_plane[k] *
                                dcn_bw_ceil2(v->byte_per_pixel_dety[k], 1.0) / (v->htotal[k] / v->pixel_clock[k]) * v->v_ratio[k];
                v->read_bandwidth_plane_chroma[k] = v->swath_width_y[k] / 2.0 * v->dpp_per_plane[k] *
                                dcn_bw_ceil2(v->byte_per_pixel_detc[k], 2.0) / (v->htotal[k] / v->pixel_clock[k]) * v->v_ratio[k] / 2.0;
                v->total_data_read_bandwidth = v->total_data_read_bandwidth +
                                v->read_bandwidth_plane_luma[k] + v->read_bandwidth_plane_chroma[k];
        }

        BW_VAL_TRACE_END_VOLTAGE_LEVEL();

        if (v->voltage_level != number_of_states_plus_one && !fast_validate) {
                float bw_consumed = v->total_bandwidth_consumed_gbyte_per_second;

                if (bw_consumed < v->fabric_and_dram_bandwidth_vmin0p65)
                        bw_consumed = v->fabric_and_dram_bandwidth_vmin0p65;
                else if (bw_consumed < v->fabric_and_dram_bandwidth_vmid0p72)
                        bw_consumed = v->fabric_and_dram_bandwidth_vmid0p72;
                else if (bw_consumed < v->fabric_and_dram_bandwidth_vnom0p8)
                        bw_consumed = v->fabric_and_dram_bandwidth_vnom0p8;
                else
                        bw_consumed = v->fabric_and_dram_bandwidth_vmax0p9;

                if (bw_consumed < v->fabric_and_dram_bandwidth)
                        if (dc->debug.voltage_align_fclk)
                                bw_consumed = v->fabric_and_dram_bandwidth;

                display_pipe_configuration(v);
                /*calc_wm_sets_and_perf_params(context, v);*/
                /* Only 1 set is used by dcn since no noticeable
                 * performance improvement was measured and due to hw bug DEGVIDCN10-254
                 */
                dispclkdppclkdcfclk_deep_sleep_prefetch_parameters_watermarks_and_performance_calculation(v);

                context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_exit_ns =
                        v->stutter_exit_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns =
                                v->stutter_enter_plus_exit_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns =
                                v->dram_clock_change_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.pte_meta_urgent_ns = v->ptemeta_urgent_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.a.urgent_ns = v->urgent_watermark * 1000;
                context->bw_ctx.bw.dcn.watermarks.b = context->bw_ctx.bw.dcn.watermarks.a;
                context->bw_ctx.bw.dcn.watermarks.c = context->bw_ctx.bw.dcn.watermarks.a;
                context->bw_ctx.bw.dcn.watermarks.d = context->bw_ctx.bw.dcn.watermarks.a;

                context->bw_ctx.bw.dcn.clk.fclk_khz = (int)(bw_consumed * 1000000 /
                                (ddr4_dram_factor_single_Channel * v->number_of_channels));
                if (bw_consumed == v->fabric_and_dram_bandwidth_vmin0p65)
                        context->bw_ctx.bw.dcn.clk.fclk_khz = (int)(bw_consumed * 1000000 / 32);

                context->bw_ctx.bw.dcn.clk.dcfclk_deep_sleep_khz = (int)(v->dcf_clk_deep_sleep * 1000);
                context->bw_ctx.bw.dcn.clk.dcfclk_khz = (int)(v->dcfclk * 1000);

                context->bw_ctx.bw.dcn.clk.dispclk_khz = (int)(v->dispclk * 1000);
                if (dc->debug.max_disp_clk == true)
                        context->bw_ctx.bw.dcn.clk.dispclk_khz = (int)(dc->dcn_soc->max_dispclk_vmax0p9 * 1000);

                if (context->bw_ctx.bw.dcn.clk.dispclk_khz <
                                dc->debug.min_disp_clk_khz) {
                        context->bw_ctx.bw.dcn.clk.dispclk_khz =
                                        dc->debug.min_disp_clk_khz;
                }

                context->bw_ctx.bw.dcn.clk.dppclk_khz = context->bw_ctx.bw.dcn.clk.dispclk_khz /
                                v->dispclk_dppclk_ratio;
                context->bw_ctx.bw.dcn.clk.phyclk_khz = v->phyclk_per_state[v->voltage_level];
                switch (v->voltage_level) {
                case 0:
                        context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz =
                                        (int)(dc->dcn_soc->max_dppclk_vmin0p65 * 1000);
                        break;
                case 1:
                        context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz =
                                        (int)(dc->dcn_soc->max_dppclk_vmid0p72 * 1000);
                        break;
                case 2:
                        context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz =
                                        (int)(dc->dcn_soc->max_dppclk_vnom0p8 * 1000);
                        break;
                default:
                        context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz =
                                        (int)(dc->dcn_soc->max_dppclk_vmax0p9 * 1000);
                        break;
                }

                BW_VAL_TRACE_END_WATERMARKS();

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

                        /* skip inactive pipe */
                        if (!pipe->stream)
                                continue;
                        /* skip all but first of split pipes */
                        if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state)
                                continue;

                        pipe->pipe_dlg_param.vupdate_width = v->v_update_width_pix[input_idx];
                        pipe->pipe_dlg_param.vupdate_offset = v->v_update_offset_pix[input_idx];
                        pipe->pipe_dlg_param.vready_offset = v->v_ready_offset_pix[input_idx];
                        pipe->pipe_dlg_param.vstartup_start = v->v_startup[input_idx];

                        pipe->pipe_dlg_param.htotal = pipe->stream->timing.h_total;
                        pipe->pipe_dlg_param.vtotal = pipe->stream->timing.v_total;
                        vesa_sync_start = pipe->stream->timing.v_addressable +
                                                pipe->stream->timing.v_border_bottom +
                                                pipe->stream->timing.v_front_porch;

                        asic_blank_end = (pipe->stream->timing.v_total -
                                                vesa_sync_start -
                                                pipe->stream->timing.v_border_top)
                        * (pipe->stream->timing.flags.INTERLACE ? 1 : 0);

                        asic_blank_start = asic_blank_end +
                                                (pipe->stream->timing.v_border_top +
                                                pipe->stream->timing.v_addressable +
                                                pipe->stream->timing.v_border_bottom)
                        * (pipe->stream->timing.flags.INTERLACE ? 1 : 0);

                        pipe->pipe_dlg_param.vblank_start = asic_blank_start;
                        pipe->pipe_dlg_param.vblank_end = asic_blank_end;

                        if (pipe->plane_state) {
                                struct pipe_ctx *hsplit_pipe = pipe->bottom_pipe;

                                pipe->plane_state->update_flags.bits.full_update = 1;

                                if (v->dpp_per_plane[input_idx] == 2 ||
                                        ((pipe->stream->view_format ==
                                          VIEW_3D_FORMAT_SIDE_BY_SIDE ||
                                          pipe->stream->view_format ==
                                          VIEW_3D_FORMAT_TOP_AND_BOTTOM) &&
                                        (pipe->stream->timing.timing_3d_format ==
                                         TIMING_3D_FORMAT_TOP_AND_BOTTOM ||
                                         pipe->stream->timing.timing_3d_format ==
                                         TIMING_3D_FORMAT_SIDE_BY_SIDE))) {
                                        if (hsplit_pipe && hsplit_pipe->plane_state == pipe->plane_state) {
                                                /* update previously split pipe */
                                                hsplit_pipe->pipe_dlg_param.vupdate_width = v->v_update_width_pix[input_idx];
                                                hsplit_pipe->pipe_dlg_param.vupdate_offset = v->v_update_offset_pix[input_idx];
                                                hsplit_pipe->pipe_dlg_param.vready_offset = v->v_ready_offset_pix[input_idx];
                                                hsplit_pipe->pipe_dlg_param.vstartup_start = v->v_startup[input_idx];

                                                hsplit_pipe->pipe_dlg_param.htotal = pipe->stream->timing.h_total;
                                                hsplit_pipe->pipe_dlg_param.vtotal = pipe->stream->timing.v_total;
                                                hsplit_pipe->pipe_dlg_param.vblank_start = pipe->pipe_dlg_param.vblank_start;
                                                hsplit_pipe->pipe_dlg_param.vblank_end = pipe->pipe_dlg_param.vblank_end;
                                        } else {
                                                /* pipe not split previously needs split */
                                                hsplit_pipe = find_idle_secondary_pipe(&context->res_ctx, pool, pipe);
                                                ASSERT(hsplit_pipe);
                                                split_stream_across_pipes(&context->res_ctx, pool, pipe, hsplit_pipe);
                                        }

                                        dcn_bw_calc_rq_dlg_ttu(dc, v, hsplit_pipe, input_idx);
                                } else if (hsplit_pipe && hsplit_pipe->plane_state == pipe->plane_state) {
                                        /* merge previously split pipe */
                                        pipe->bottom_pipe = hsplit_pipe->bottom_pipe;
                                        if (hsplit_pipe->bottom_pipe)
                                                hsplit_pipe->bottom_pipe->top_pipe = pipe;
                                        hsplit_pipe->plane_state = NULL;
                                        hsplit_pipe->stream = NULL;
                                        hsplit_pipe->top_pipe = NULL;
                                        hsplit_pipe->bottom_pipe = NULL;
                                        /* Clear plane_res and stream_res */
                                        memset(&hsplit_pipe->plane_res, 0, sizeof(hsplit_pipe->plane_res));
                                        memset(&hsplit_pipe->stream_res, 0, sizeof(hsplit_pipe->stream_res));
                                        resource_build_scaling_params(pipe);
                                }
                                /* for now important to do this after pipe split for building e2e params */
                                dcn_bw_calc_rq_dlg_ttu(dc, v, pipe, input_idx);
                        }

                        input_idx++;
                }
        } else if (v->voltage_level == number_of_states_plus_one) {
                BW_VAL_TRACE_SKIP(fail);
        } else if (fast_validate) {
                BW_VAL_TRACE_SKIP(fast);
        }

        if (v->voltage_level == 0) {
                context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us =
                                dc->dcn_soc->sr_enter_plus_exit_time;
                context->bw_ctx.dml.soc.sr_exit_time_us = dc->dcn_soc->sr_exit_time;
        }

        /*
         * BW limit is set to prevent display from impacting other system functions
         */

        bw_limit = dc->dcn_soc->percent_disp_bw_limit * v->fabric_and_dram_bandwidth_vmax0p9;
        bw_limit_pass = (v->total_data_read_bandwidth / 1000.0) < bw_limit;

        DC_FP_END();

        PERFORMANCE_TRACE_END();
        BW_VAL_TRACE_FINISH();

        if (bw_limit_pass && v->voltage_level <= get_highest_allowed_voltage_level(dc->ctx->asic_id.hw_internal_rev))
                return true;
        else
                return false;
}

static unsigned int dcn_find_normalized_clock_vdd_Level(
        const struct dc *dc,
        enum dm_pp_clock_type clocks_type,
        int clocks_in_khz)
{
        int vdd_level = dcn_bw_v_min0p65;

        if (clocks_in_khz == 0)/*todo some clock not in the considerations*/
                return vdd_level;

        switch (clocks_type) {
        case DM_PP_CLOCK_TYPE_DISPLAY_CLK:
                if (clocks_in_khz > dc->dcn_soc->max_dispclk_vmax0p9*1000) {
                        vdd_level = dcn_bw_v_max0p91;
                        BREAK_TO_DEBUGGER();
                } else if (clocks_in_khz > dc->dcn_soc->max_dispclk_vnom0p8*1000) {
                        vdd_level = dcn_bw_v_max0p9;
                } else if (clocks_in_khz > dc->dcn_soc->max_dispclk_vmid0p72*1000) {
                        vdd_level = dcn_bw_v_nom0p8;
                } else if (clocks_in_khz > dc->dcn_soc->max_dispclk_vmin0p65*1000) {
                        vdd_level = dcn_bw_v_mid0p72;
                } else
                        vdd_level = dcn_bw_v_min0p65;
                break;
        case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK:
                if (clocks_in_khz > dc->dcn_soc->phyclkv_max0p9*1000) {
                        vdd_level = dcn_bw_v_max0p91;
                        BREAK_TO_DEBUGGER();
                } else if (clocks_in_khz > dc->dcn_soc->phyclkv_nom0p8*1000) {
                        vdd_level = dcn_bw_v_max0p9;
                } else if (clocks_in_khz > dc->dcn_soc->phyclkv_mid0p72*1000) {
                        vdd_level = dcn_bw_v_nom0p8;
                } else if (clocks_in_khz > dc->dcn_soc->phyclkv_min0p65*1000) {
                        vdd_level = dcn_bw_v_mid0p72;
                } else
                        vdd_level = dcn_bw_v_min0p65;
                break;

        case DM_PP_CLOCK_TYPE_DPPCLK:
                if (clocks_in_khz > dc->dcn_soc->max_dppclk_vmax0p9*1000) {
                        vdd_level = dcn_bw_v_max0p91;
                        BREAK_TO_DEBUGGER();
                } else if (clocks_in_khz > dc->dcn_soc->max_dppclk_vnom0p8*1000) {
                        vdd_level = dcn_bw_v_max0p9;
                } else if (clocks_in_khz > dc->dcn_soc->max_dppclk_vmid0p72*1000) {
                        vdd_level = dcn_bw_v_nom0p8;
                } else if (clocks_in_khz > dc->dcn_soc->max_dppclk_vmin0p65*1000) {
                        vdd_level = dcn_bw_v_mid0p72;
                } else
                        vdd_level = dcn_bw_v_min0p65;
                break;

        case DM_PP_CLOCK_TYPE_MEMORY_CLK:
                {
                        unsigned factor = (ddr4_dram_factor_single_Channel * dc->dcn_soc->number_of_channels);

                        if (clocks_in_khz > dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9*1000000/factor) {
                                vdd_level = dcn_bw_v_max0p91;
                                BREAK_TO_DEBUGGER();
                        } else if (clocks_in_khz > dc->dcn_soc->fabric_and_dram_bandwidth_vnom0p8*1000000/factor) {
                                vdd_level = dcn_bw_v_max0p9;
                        } else if (clocks_in_khz > dc->dcn_soc->fabric_and_dram_bandwidth_vmid0p72*1000000/factor) {
                                vdd_level = dcn_bw_v_nom0p8;
                        } else if (clocks_in_khz > dc->dcn_soc->fabric_and_dram_bandwidth_vmin0p65*1000000/factor) {
                                vdd_level = dcn_bw_v_mid0p72;
                        } else
                                vdd_level = dcn_bw_v_min0p65;
                }
                break;

        case DM_PP_CLOCK_TYPE_DCFCLK:
                if (clocks_in_khz > dc->dcn_soc->dcfclkv_max0p9*1000) {
                        vdd_level = dcn_bw_v_max0p91;
                        BREAK_TO_DEBUGGER();
                } else if (clocks_in_khz > dc->dcn_soc->dcfclkv_nom0p8*1000) {
                        vdd_level = dcn_bw_v_max0p9;
                } else if (clocks_in_khz > dc->dcn_soc->dcfclkv_mid0p72*1000) {
                        vdd_level = dcn_bw_v_nom0p8;
                } else if (clocks_in_khz > dc->dcn_soc->dcfclkv_min0p65*1000) {
                        vdd_level = dcn_bw_v_mid0p72;
                } else
                        vdd_level = dcn_bw_v_min0p65;
                break;

        default:
                 break;
        }
        return vdd_level;
}

unsigned int dcn_find_dcfclk_suits_all(
        const struct dc *dc,
        struct dc_clocks *clocks)
{
        unsigned vdd_level, vdd_level_temp;
        unsigned dcf_clk;

        /*find a common supported voltage level*/
        vdd_level = dcn_find_normalized_clock_vdd_Level(
                dc, DM_PP_CLOCK_TYPE_DISPLAY_CLK, clocks->dispclk_khz);
        vdd_level_temp = dcn_find_normalized_clock_vdd_Level(
                dc, DM_PP_CLOCK_TYPE_DISPLAYPHYCLK, clocks->phyclk_khz);

        vdd_level = dcn_bw_max(vdd_level, vdd_level_temp);
        vdd_level_temp = dcn_find_normalized_clock_vdd_Level(
                dc, DM_PP_CLOCK_TYPE_DPPCLK, clocks->dppclk_khz);
        vdd_level = dcn_bw_max(vdd_level, vdd_level_temp);

        vdd_level_temp = dcn_find_normalized_clock_vdd_Level(
                dc, DM_PP_CLOCK_TYPE_MEMORY_CLK, clocks->fclk_khz);
        vdd_level = dcn_bw_max(vdd_level, vdd_level_temp);
        vdd_level_temp = dcn_find_normalized_clock_vdd_Level(
                dc, DM_PP_CLOCK_TYPE_DCFCLK, clocks->dcfclk_khz);

        /*find that level conresponding dcfclk*/
        vdd_level = dcn_bw_max(vdd_level, vdd_level_temp);
        if (vdd_level == dcn_bw_v_max0p91) {
                BREAK_TO_DEBUGGER();
                dcf_clk = dc->dcn_soc->dcfclkv_max0p9*1000;
        } else if (vdd_level == dcn_bw_v_max0p9)
                dcf_clk =  dc->dcn_soc->dcfclkv_max0p9*1000;
        else if (vdd_level == dcn_bw_v_nom0p8)
                dcf_clk =  dc->dcn_soc->dcfclkv_nom0p8*1000;
        else if (vdd_level == dcn_bw_v_mid0p72)
                dcf_clk =  dc->dcn_soc->dcfclkv_mid0p72*1000;
        else
                dcf_clk =  dc->dcn_soc->dcfclkv_min0p65*1000;

        DC_LOG_BANDWIDTH_CALCS("\tdcf_clk for voltage = %d\n", dcf_clk);
        return dcf_clk;
}

static bool verify_clock_values(struct dm_pp_clock_levels_with_voltage *clks)
{
        int i;

        if (clks->num_levels == 0)
                return false;

        for (i = 0; i < clks->num_levels; i++)
                /* Ensure that the result is sane */
                if (clks->data[i].clocks_in_khz == 0)
                        return false;

        return true;
}

void dcn_bw_update_from_pplib(struct dc *dc)
{
        struct dc_context *ctx = dc->ctx;
        struct dm_pp_clock_levels_with_voltage fclks = {0}, dcfclks = {0};
        bool res;

        /* TODO: This is not the proper way to obtain fabric_and_dram_bandwidth, should be min(fclk, memclk) */
        res = dm_pp_get_clock_levels_by_type_with_voltage(
                        ctx, DM_PP_CLOCK_TYPE_FCLK, &fclks);

        DC_FP_START();

        if (res)
                res = verify_clock_values(&fclks);

        if (res) {
                ASSERT(fclks.num_levels >= 3);
                dc->dcn_soc->fabric_and_dram_bandwidth_vmin0p65 = 32 * (fclks.data[0].clocks_in_khz / 1000.0) / 1000.0;
                dc->dcn_soc->fabric_and_dram_bandwidth_vmid0p72 = dc->dcn_soc->number_of_channels *
                                (fclks.data[fclks.num_levels - (fclks.num_levels > 2 ? 3 : 2)].clocks_in_khz / 1000.0)
                                * ddr4_dram_factor_single_Channel / 1000.0;
                dc->dcn_soc->fabric_and_dram_bandwidth_vnom0p8 = dc->dcn_soc->number_of_channels *
                                (fclks.data[fclks.num_levels - 2].clocks_in_khz / 1000.0)
                                * ddr4_dram_factor_single_Channel / 1000.0;
                dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9 = dc->dcn_soc->number_of_channels *
                                (fclks.data[fclks.num_levels - 1].clocks_in_khz / 1000.0)
                                * ddr4_dram_factor_single_Channel / 1000.0;
        } else
                BREAK_TO_DEBUGGER();

        DC_FP_END();

        res = dm_pp_get_clock_levels_by_type_with_voltage(
                        ctx, DM_PP_CLOCK_TYPE_DCFCLK, &dcfclks);

        DC_FP_START();

        if (res)
                res = verify_clock_values(&dcfclks);

        if (res && dcfclks.num_levels >= 3) {
                dc->dcn_soc->dcfclkv_min0p65 = dcfclks.data[0].clocks_in_khz / 1000.0;
                dc->dcn_soc->dcfclkv_mid0p72 = dcfclks.data[dcfclks.num_levels - 3].clocks_in_khz / 1000.0;
                dc->dcn_soc->dcfclkv_nom0p8 = dcfclks.data[dcfclks.num_levels - 2].clocks_in_khz / 1000.0;
                dc->dcn_soc->dcfclkv_max0p9 = dcfclks.data[dcfclks.num_levels - 1].clocks_in_khz / 1000.0;
        } else
                BREAK_TO_DEBUGGER();

        DC_FP_END();
}

void dcn_bw_notify_pplib_of_wm_ranges(struct dc *dc)
{
        struct pp_smu_funcs_rv *pp = NULL;
        struct pp_smu_wm_range_sets ranges = {0};
        int min_fclk_khz, min_dcfclk_khz, socclk_khz;
        const int overdrive = 5000000; /* 5 GHz to cover Overdrive */

        if (dc->res_pool->pp_smu)
                pp = &dc->res_pool->pp_smu->rv_funcs;
        if (!pp || !pp->set_wm_ranges)
                return;

        DC_FP_START();
        min_fclk_khz = dc->dcn_soc->fabric_and_dram_bandwidth_vmin0p65 * 1000000 / 32;
        min_dcfclk_khz = dc->dcn_soc->dcfclkv_min0p65 * 1000;
        socclk_khz = dc->dcn_soc->socclk * 1000;
        DC_FP_END();

        /* Now notify PPLib/SMU about which Watermarks sets they should select
         * depending on DPM state they are in. And update BW MGR GFX Engine and
         * Memory clock member variables for Watermarks calculations for each
         * Watermark Set. Only one watermark set for dcn1 due to hw bug DEGVIDCN10-254.
         */
        /* SOCCLK does not affect anytihng but writeback for DCN so for now we dont
         * care what the value is, hence min to overdrive level
         */
        ranges.num_reader_wm_sets = WM_SET_COUNT;
        ranges.num_writer_wm_sets = WM_SET_COUNT;
        ranges.reader_wm_sets[0].wm_inst = WM_A;
        ranges.reader_wm_sets[0].min_drain_clk_mhz = min_dcfclk_khz / 1000;
        ranges.reader_wm_sets[0].max_drain_clk_mhz = overdrive / 1000;
        ranges.reader_wm_sets[0].min_fill_clk_mhz = min_fclk_khz / 1000;
        ranges.reader_wm_sets[0].max_fill_clk_mhz = overdrive / 1000;
        ranges.writer_wm_sets[0].wm_inst = WM_A;
        ranges.writer_wm_sets[0].min_fill_clk_mhz = socclk_khz / 1000;
        ranges.writer_wm_sets[0].max_fill_clk_mhz = overdrive / 1000;
        ranges.writer_wm_sets[0].min_drain_clk_mhz = min_fclk_khz / 1000;
        ranges.writer_wm_sets[0].max_drain_clk_mhz = overdrive / 1000;

        if (dc->debug.pplib_wm_report_mode == WM_REPORT_OVERRIDE) {
                ranges.reader_wm_sets[0].wm_inst = WM_A;
                ranges.reader_wm_sets[0].min_drain_clk_mhz = 300;
                ranges.reader_wm_sets[0].max_drain_clk_mhz = 5000;
                ranges.reader_wm_sets[0].min_fill_clk_mhz = 800;
                ranges.reader_wm_sets[0].max_fill_clk_mhz = 5000;
                ranges.writer_wm_sets[0].wm_inst = WM_A;
                ranges.writer_wm_sets[0].min_fill_clk_mhz = 200;
                ranges.writer_wm_sets[0].max_fill_clk_mhz = 5000;
                ranges.writer_wm_sets[0].min_drain_clk_mhz = 800;
                ranges.writer_wm_sets[0].max_drain_clk_mhz = 5000;
        }

        ranges.reader_wm_sets[1] = ranges.writer_wm_sets[0];
        ranges.reader_wm_sets[1].wm_inst = WM_B;

        ranges.reader_wm_sets[2] = ranges.writer_wm_sets[0];
        ranges.reader_wm_sets[2].wm_inst = WM_C;

        ranges.reader_wm_sets[3] = ranges.writer_wm_sets[0];
        ranges.reader_wm_sets[3].wm_inst = WM_D;

        /* Notify PP Lib/SMU which Watermarks to use for which clock ranges */
        pp->set_wm_ranges(&pp->pp_smu, &ranges);
}

void dcn_bw_sync_calcs_and_dml(struct dc *dc)
{
        DC_FP_START();
        DC_LOG_BANDWIDTH_CALCS("sr_exit_time: %f ns\n"
                        "sr_enter_plus_exit_time: %f ns\n"
                        "urgent_latency: %f ns\n"
                        "write_back_latency: %f ns\n"
                        "percent_of_ideal_drambw_received_after_urg_latency: %f %%\n"
                        "max_request_size: %d bytes\n"
                        "dcfclkv_max0p9: %f kHz\n"
                        "dcfclkv_nom0p8: %f kHz\n"
                        "dcfclkv_mid0p72: %f kHz\n"
                        "dcfclkv_min0p65: %f kHz\n"
                        "max_dispclk_vmax0p9: %f kHz\n"
                        "max_dispclk_vnom0p8: %f kHz\n"
                        "max_dispclk_vmid0p72: %f kHz\n"
                        "max_dispclk_vmin0p65: %f kHz\n"
                        "max_dppclk_vmax0p9: %f kHz\n"
                        "max_dppclk_vnom0p8: %f kHz\n"
                        "max_dppclk_vmid0p72: %f kHz\n"
                        "max_dppclk_vmin0p65: %f kHz\n"
                        "socclk: %f kHz\n"
                        "fabric_and_dram_bandwidth_vmax0p9: %f MB/s\n"
                        "fabric_and_dram_bandwidth_vnom0p8: %f MB/s\n"
                        "fabric_and_dram_bandwidth_vmid0p72: %f MB/s\n"
                        "fabric_and_dram_bandwidth_vmin0p65: %f MB/s\n"
                        "phyclkv_max0p9: %f kHz\n"
                        "phyclkv_nom0p8: %f kHz\n"
                        "phyclkv_mid0p72: %f kHz\n"
                        "phyclkv_min0p65: %f kHz\n"
                        "downspreading: %f %%\n"
                        "round_trip_ping_latency_cycles: %d DCFCLK Cycles\n"
                        "urgent_out_of_order_return_per_channel: %d Bytes\n"
                        "number_of_channels: %d\n"
                        "vmm_page_size: %d Bytes\n"
                        "dram_clock_change_latency: %f ns\n"
                        "return_bus_width: %d Bytes\n",
                        dc->dcn_soc->sr_exit_time * 1000,
                        dc->dcn_soc->sr_enter_plus_exit_time * 1000,
                        dc->dcn_soc->urgent_latency * 1000,
                        dc->dcn_soc->write_back_latency * 1000,
                        dc->dcn_soc->percent_of_ideal_drambw_received_after_urg_latency,
                        dc->dcn_soc->max_request_size,
                        dc->dcn_soc->dcfclkv_max0p9 * 1000,
                        dc->dcn_soc->dcfclkv_nom0p8 * 1000,
                        dc->dcn_soc->dcfclkv_mid0p72 * 1000,
                        dc->dcn_soc->dcfclkv_min0p65 * 1000,
                        dc->dcn_soc->max_dispclk_vmax0p9 * 1000,
                        dc->dcn_soc->max_dispclk_vnom0p8 * 1000,
                        dc->dcn_soc->max_dispclk_vmid0p72 * 1000,
                        dc->dcn_soc->max_dispclk_vmin0p65 * 1000,
                        dc->dcn_soc->max_dppclk_vmax0p9 * 1000,
                        dc->dcn_soc->max_dppclk_vnom0p8 * 1000,
                        dc->dcn_soc->max_dppclk_vmid0p72 * 1000,
                        dc->dcn_soc->max_dppclk_vmin0p65 * 1000,
                        dc->dcn_soc->socclk * 1000,
                        dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9 * 1000,
                        dc->dcn_soc->fabric_and_dram_bandwidth_vnom0p8 * 1000,
                        dc->dcn_soc->fabric_and_dram_bandwidth_vmid0p72 * 1000,
                        dc->dcn_soc->fabric_and_dram_bandwidth_vmin0p65 * 1000,
                        dc->dcn_soc->phyclkv_max0p9 * 1000,
                        dc->dcn_soc->phyclkv_nom0p8 * 1000,
                        dc->dcn_soc->phyclkv_mid0p72 * 1000,
                        dc->dcn_soc->phyclkv_min0p65 * 1000,
                        dc->dcn_soc->downspreading * 100,
                        dc->dcn_soc->round_trip_ping_latency_cycles,
                        dc->dcn_soc->urgent_out_of_order_return_per_channel,
                        dc->dcn_soc->number_of_channels,
                        dc->dcn_soc->vmm_page_size,
                        dc->dcn_soc->dram_clock_change_latency * 1000,
                        dc->dcn_soc->return_bus_width);
        DC_LOG_BANDWIDTH_CALCS("rob_buffer_size_in_kbyte: %f\n"
                        "det_buffer_size_in_kbyte: %f\n"
                        "dpp_output_buffer_pixels: %f\n"
                        "opp_output_buffer_lines: %f\n"
                        "pixel_chunk_size_in_kbyte: %f\n"
                        "pte_enable: %d\n"
                        "pte_chunk_size: %d kbytes\n"
                        "meta_chunk_size: %d kbytes\n"
                        "writeback_chunk_size: %d kbytes\n"
                        "odm_capability: %d\n"
                        "dsc_capability: %d\n"
                        "line_buffer_size: %d bits\n"
                        "max_line_buffer_lines: %d\n"
                        "is_line_buffer_bpp_fixed: %d\n"
                        "line_buffer_fixed_bpp: %d\n"
                        "writeback_luma_buffer_size: %d kbytes\n"
                        "writeback_chroma_buffer_size: %d kbytes\n"
                        "max_num_dpp: %d\n"
                        "max_num_writeback: %d\n"
                        "max_dchub_topscl_throughput: %d pixels/dppclk\n"
                        "max_pscl_tolb_throughput: %d pixels/dppclk\n"
                        "max_lb_tovscl_throughput: %d pixels/dppclk\n"
                        "max_vscl_tohscl_throughput: %d pixels/dppclk\n"
                        "max_hscl_ratio: %f\n"
                        "max_vscl_ratio: %f\n"
                        "max_hscl_taps: %d\n"
                        "max_vscl_taps: %d\n"
                        "pte_buffer_size_in_requests: %d\n"
                        "dispclk_ramping_margin: %f %%\n"
                        "under_scan_factor: %f %%\n"
                        "max_inter_dcn_tile_repeaters: %d\n"
                        "can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one: %d\n"
                        "bug_forcing_luma_and_chroma_request_to_same_size_fixed: %d\n"
                        "dcfclk_cstate_latency: %d\n",
                        dc->dcn_ip->rob_buffer_size_in_kbyte,
                        dc->dcn_ip->det_buffer_size_in_kbyte,
                        dc->dcn_ip->dpp_output_buffer_pixels,
                        dc->dcn_ip->opp_output_buffer_lines,
                        dc->dcn_ip->pixel_chunk_size_in_kbyte,
                        dc->dcn_ip->pte_enable,
                        dc->dcn_ip->pte_chunk_size,
                        dc->dcn_ip->meta_chunk_size,
                        dc->dcn_ip->writeback_chunk_size,
                        dc->dcn_ip->odm_capability,
                        dc->dcn_ip->dsc_capability,
                        dc->dcn_ip->line_buffer_size,
                        dc->dcn_ip->max_line_buffer_lines,
                        dc->dcn_ip->is_line_buffer_bpp_fixed,
                        dc->dcn_ip->line_buffer_fixed_bpp,
                        dc->dcn_ip->writeback_luma_buffer_size,
                        dc->dcn_ip->writeback_chroma_buffer_size,
                        dc->dcn_ip->max_num_dpp,
                        dc->dcn_ip->max_num_writeback,
                        dc->dcn_ip->max_dchub_topscl_throughput,
                        dc->dcn_ip->max_pscl_tolb_throughput,
                        dc->dcn_ip->max_lb_tovscl_throughput,
                        dc->dcn_ip->max_vscl_tohscl_throughput,
                        dc->dcn_ip->max_hscl_ratio,
                        dc->dcn_ip->max_vscl_ratio,
                        dc->dcn_ip->max_hscl_taps,
                        dc->dcn_ip->max_vscl_taps,
                        dc->dcn_ip->pte_buffer_size_in_requests,
                        dc->dcn_ip->dispclk_ramping_margin,
                        dc->dcn_ip->under_scan_factor * 100,
                        dc->dcn_ip->max_inter_dcn_tile_repeaters,
                        dc->dcn_ip->can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one,
                        dc->dcn_ip->bug_forcing_luma_and_chroma_request_to_same_size_fixed,
                        dc->dcn_ip->dcfclk_cstate_latency);

        dc->dml.soc.sr_exit_time_us = dc->dcn_soc->sr_exit_time;
        dc->dml.soc.sr_enter_plus_exit_time_us = dc->dcn_soc->sr_enter_plus_exit_time;
        dc->dml.soc.urgent_latency_us = dc->dcn_soc->urgent_latency;
        dc->dml.soc.writeback_latency_us = dc->dcn_soc->write_back_latency;
        dc->dml.soc.ideal_dram_bw_after_urgent_percent =
                        dc->dcn_soc->percent_of_ideal_drambw_received_after_urg_latency;
        dc->dml.soc.max_request_size_bytes = dc->dcn_soc->max_request_size;
        dc->dml.soc.downspread_percent = dc->dcn_soc->downspreading;
        dc->dml.soc.round_trip_ping_latency_dcfclk_cycles =
                        dc->dcn_soc->round_trip_ping_latency_cycles;
        dc->dml.soc.urgent_out_of_order_return_per_channel_bytes =
                        dc->dcn_soc->urgent_out_of_order_return_per_channel;
        dc->dml.soc.num_chans = dc->dcn_soc->number_of_channels;
        dc->dml.soc.vmm_page_size_bytes = dc->dcn_soc->vmm_page_size;
        dc->dml.soc.dram_clock_change_latency_us = dc->dcn_soc->dram_clock_change_latency;
        dc->dml.soc.return_bus_width_bytes = dc->dcn_soc->return_bus_width;

        dc->dml.ip.rob_buffer_size_kbytes = dc->dcn_ip->rob_buffer_size_in_kbyte;
        dc->dml.ip.det_buffer_size_kbytes = dc->dcn_ip->det_buffer_size_in_kbyte;
        dc->dml.ip.dpp_output_buffer_pixels = dc->dcn_ip->dpp_output_buffer_pixels;
        dc->dml.ip.opp_output_buffer_lines = dc->dcn_ip->opp_output_buffer_lines;
        dc->dml.ip.pixel_chunk_size_kbytes = dc->dcn_ip->pixel_chunk_size_in_kbyte;
        dc->dml.ip.pte_enable = dc->dcn_ip->pte_enable == dcn_bw_yes;
        dc->dml.ip.pte_chunk_size_kbytes = dc->dcn_ip->pte_chunk_size;
        dc->dml.ip.meta_chunk_size_kbytes = dc->dcn_ip->meta_chunk_size;
        dc->dml.ip.writeback_chunk_size_kbytes = dc->dcn_ip->writeback_chunk_size;
        dc->dml.ip.line_buffer_size_bits = dc->dcn_ip->line_buffer_size;
        dc->dml.ip.max_line_buffer_lines = dc->dcn_ip->max_line_buffer_lines;
        dc->dml.ip.IsLineBufferBppFixed = dc->dcn_ip->is_line_buffer_bpp_fixed == dcn_bw_yes;
        dc->dml.ip.LineBufferFixedBpp = dc->dcn_ip->line_buffer_fixed_bpp;
        dc->dml.ip.writeback_luma_buffer_size_kbytes = dc->dcn_ip->writeback_luma_buffer_size;
        dc->dml.ip.writeback_chroma_buffer_size_kbytes = dc->dcn_ip->writeback_chroma_buffer_size;
        dc->dml.ip.max_num_dpp = dc->dcn_ip->max_num_dpp;
        dc->dml.ip.max_num_wb = dc->dcn_ip->max_num_writeback;
        dc->dml.ip.max_dchub_pscl_bw_pix_per_clk = dc->dcn_ip->max_dchub_topscl_throughput;
        dc->dml.ip.max_pscl_lb_bw_pix_per_clk = dc->dcn_ip->max_pscl_tolb_throughput;
        dc->dml.ip.max_lb_vscl_bw_pix_per_clk = dc->dcn_ip->max_lb_tovscl_throughput;
        dc->dml.ip.max_vscl_hscl_bw_pix_per_clk = dc->dcn_ip->max_vscl_tohscl_throughput;
        dc->dml.ip.max_hscl_ratio = dc->dcn_ip->max_hscl_ratio;
        dc->dml.ip.max_vscl_ratio = dc->dcn_ip->max_vscl_ratio;
        dc->dml.ip.max_hscl_taps = dc->dcn_ip->max_hscl_taps;
        dc->dml.ip.max_vscl_taps = dc->dcn_ip->max_vscl_taps;
        /*pte_buffer_size_in_requests missing in dml*/
        dc->dml.ip.dispclk_ramp_margin_percent = dc->dcn_ip->dispclk_ramping_margin;
        dc->dml.ip.underscan_factor = dc->dcn_ip->under_scan_factor;
        dc->dml.ip.max_inter_dcn_tile_repeaters = dc->dcn_ip->max_inter_dcn_tile_repeaters;
        dc->dml.ip.can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one =
                dc->dcn_ip->can_vstartup_lines_exceed_vsync_plus_back_porch_lines_minus_one == dcn_bw_yes;
        dc->dml.ip.bug_forcing_LC_req_same_size_fixed =
                dc->dcn_ip->bug_forcing_luma_and_chroma_request_to_same_size_fixed == dcn_bw_yes;
        dc->dml.ip.dcfclk_cstate_latency = dc->dcn_ip->dcfclk_cstate_latency;
        DC_FP_END();
}