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display_rq_dlg_calc_30.c

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linux-6.19.14/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c C
   1/*
   2 * Copyright 2020 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: AMD
  23 *
  24 */
  25
  26#include "../display_mode_lib.h"
  27#include "../display_mode_vba.h"
  28#include "../dml_inline_defs.h"
  29#include "display_rq_dlg_calc_30.h"
  30#include "display_mode_vba_30.h"
  31
  32static bool is_dual_plane(enum source_format_class source_format)
  33{
  34	bool ret_val = 0;
  35
  36	if ((source_format == dm_420_12) || (source_format == dm_420_8) || (source_format == dm_420_10) || (source_format == dm_rgbe_alpha))
  37		ret_val = 1;
  38
  39	return ret_val;
  40}
  41
  42static double get_refcyc_per_delivery(struct display_mode_lib *mode_lib,
  43	double refclk_freq_in_mhz,
  44	double pclk_freq_in_mhz,
  45	unsigned int odm_combine,
  46	unsigned int recout_width,
  47	unsigned int hactive,
  48	double vratio,
  49	double hscale_pixel_rate,
  50	unsigned int delivery_width,
  51	unsigned int req_per_swath_ub)
  52{
  53	double refcyc_per_delivery = 0.0;
  54
  55	if (vratio <= 1.0) {
  56		if (odm_combine)
  57			refcyc_per_delivery = (double)refclk_freq_in_mhz * (double)((unsigned int)odm_combine*2)
  58			* dml_min((double)recout_width, (double)hactive / ((unsigned int)odm_combine*2))
  59			/ pclk_freq_in_mhz / (double)req_per_swath_ub;
  60		else
  61			refcyc_per_delivery = (double)refclk_freq_in_mhz * (double)recout_width
  62			/ pclk_freq_in_mhz / (double)req_per_swath_ub;
  63	} else {
  64		refcyc_per_delivery = (double)refclk_freq_in_mhz * (double)delivery_width
  65			/ (double)hscale_pixel_rate / (double)req_per_swath_ub;
  66	}
  67
  68	dml_print("DML_DLG: %s: refclk_freq_in_mhz = %3.2f\n", __func__, refclk_freq_in_mhz);
  69	dml_print("DML_DLG: %s: pclk_freq_in_mhz   = %3.2f\n", __func__, pclk_freq_in_mhz);
  70	dml_print("DML_DLG: %s: recout_width       = %d\n", __func__, recout_width);
  71	dml_print("DML_DLG: %s: vratio             = %3.2f\n", __func__, vratio);
  72	dml_print("DML_DLG: %s: req_per_swath_ub   = %d\n", __func__, req_per_swath_ub);
  73	dml_print("DML_DLG: %s: refcyc_per_delivery= %3.2f\n", __func__, refcyc_per_delivery);
  74
  75	return refcyc_per_delivery;
  76
  77}
  78
  79static unsigned int get_blk_size_bytes(const enum source_macro_tile_size tile_size)
  80{
  81	if (tile_size == dm_256k_tile)
  82		return (256 * 1024);
  83	else if (tile_size == dm_64k_tile)
  84		return (64 * 1024);
  85	else
  86		return (4 * 1024);
  87}
  88
  89static void extract_rq_sizing_regs(struct display_mode_lib *mode_lib,
  90	display_data_rq_regs_st *rq_regs,
  91	const display_data_rq_sizing_params_st *rq_sizing)
  92{
  93	dml_print("DML_DLG: %s: rq_sizing param\n", __func__);
  94	print__data_rq_sizing_params_st(mode_lib, rq_sizing);
  95
  96	rq_regs->chunk_size = dml_log2(rq_sizing->chunk_bytes) - 10;
  97
  98	if (rq_sizing->min_chunk_bytes == 0)
  99		rq_regs->min_chunk_size = 0;
 100	else
 101		rq_regs->min_chunk_size = dml_log2(rq_sizing->min_chunk_bytes) - 8 + 1;
 102
 103	rq_regs->meta_chunk_size = dml_log2(rq_sizing->meta_chunk_bytes) - 10;
 104	if (rq_sizing->min_meta_chunk_bytes == 0)
 105		rq_regs->min_meta_chunk_size = 0;
 106	else
 107		rq_regs->min_meta_chunk_size = dml_log2(rq_sizing->min_meta_chunk_bytes) - 6 + 1;
 108
 109	rq_regs->dpte_group_size = dml_log2(rq_sizing->dpte_group_bytes) - 6;
 110	rq_regs->mpte_group_size = dml_log2(rq_sizing->mpte_group_bytes) - 6;
 111}
 112
 113static void extract_rq_regs(struct display_mode_lib *mode_lib,
 114	display_rq_regs_st *rq_regs,
 115	const display_rq_params_st *rq_param)
 116{
 117	unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
 118	unsigned int detile_buf_plane1_addr = 0;
 119
 120	extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_l), &rq_param->sizing.rq_l);
 121
 122	rq_regs->rq_regs_l.pte_row_height_linear = dml_floor(dml_log2(rq_param->dlg.rq_l.dpte_row_height),
 123		1) - 3;
 124
 125	if (rq_param->yuv420) {
 126		extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_c), &rq_param->sizing.rq_c);
 127		rq_regs->rq_regs_c.pte_row_height_linear = dml_floor(dml_log2(rq_param->dlg.rq_c.dpte_row_height),
 128			1) - 3;
 129	}
 130
 131	rq_regs->rq_regs_l.swath_height = dml_log2(rq_param->dlg.rq_l.swath_height);
 132	rq_regs->rq_regs_c.swath_height = dml_log2(rq_param->dlg.rq_c.swath_height);
 133
 134	// FIXME: take the max between luma, chroma chunk size?
 135	// okay for now, as we are setting chunk_bytes to 8kb anyways
 136	if (rq_param->sizing.rq_l.chunk_bytes >= 32 * 1024 || (rq_param->yuv420 && rq_param->sizing.rq_c.chunk_bytes >= 32 * 1024)) { //32kb
 137		rq_regs->drq_expansion_mode = 0;
 138	} else {
 139		rq_regs->drq_expansion_mode = 2;
 140	}
 141	rq_regs->prq_expansion_mode = 1;
 142	rq_regs->mrq_expansion_mode = 1;
 143	rq_regs->crq_expansion_mode = 1;
 144
 145	if (rq_param->yuv420) {
 146	if ((double)rq_param->misc.rq_l.stored_swath_bytes
 147			/ (double)rq_param->misc.rq_c.stored_swath_bytes <= 1.5) {
 148			detile_buf_plane1_addr = (detile_buf_size_in_bytes / 2.0 / 64.0); // half to chroma
 149		} else {
 150			detile_buf_plane1_addr = dml_round_to_multiple((unsigned int)((2.0 * detile_buf_size_in_bytes) / 3.0),
 151				256,
 152				0) / 64.0; // 2/3 to chroma
 153		}
 154	}
 155	rq_regs->plane1_base_address = detile_buf_plane1_addr;
 156}
 157
 158static void handle_det_buf_split(struct display_mode_lib *mode_lib,
 159	display_rq_params_st *rq_param,
 160	const display_pipe_source_params_st *pipe_src_param)
 161{
 162	unsigned int total_swath_bytes = 0;
 163	unsigned int swath_bytes_l = 0;
 164	unsigned int swath_bytes_c = 0;
 165	unsigned int full_swath_bytes_packed_l = 0;
 166	unsigned int full_swath_bytes_packed_c = 0;
 167	bool req128_l = false;
 168	bool req128_c = false;
 169	bool surf_linear = (pipe_src_param->sw_mode == dm_sw_linear);
 170	bool surf_vert = (pipe_src_param->source_scan == dm_vert);
 171	unsigned int log2_swath_height_l = 0;
 172	unsigned int log2_swath_height_c = 0;
 173	unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
 174
 175	full_swath_bytes_packed_l = rq_param->misc.rq_l.full_swath_bytes;
 176	full_swath_bytes_packed_c = rq_param->misc.rq_c.full_swath_bytes;
 177
 178	if (rq_param->yuv420_10bpc) {
 179		full_swath_bytes_packed_l = dml_round_to_multiple(rq_param->misc.rq_l.full_swath_bytes * 2.0 / 3.0,
 180			256,
 181			1) + 256;
 182		full_swath_bytes_packed_c = dml_round_to_multiple(rq_param->misc.rq_c.full_swath_bytes * 2.0 / 3.0,
 183			256,
 184			1) + 256;
 185	}
 186
 187	if (rq_param->yuv420)
 188		total_swath_bytes = 2 * full_swath_bytes_packed_l + 2 * full_swath_bytes_packed_c;
 189	else
 190		total_swath_bytes = 2 * full_swath_bytes_packed_l;
 191
 192	if (total_swath_bytes <= detile_buf_size_in_bytes) { //full 256b request
 193		req128_l = false;
 194		req128_c = false;
 195		swath_bytes_l = full_swath_bytes_packed_l;
 196		swath_bytes_c = full_swath_bytes_packed_c;
 197	} else if (!rq_param->yuv420) {
 198		req128_l = true;
 199		req128_c = false;
 200		swath_bytes_c = full_swath_bytes_packed_c;
 201		swath_bytes_l = full_swath_bytes_packed_l / 2;
 202	} else if ((double)full_swath_bytes_packed_l / (double)full_swath_bytes_packed_c < 1.5) {
 203		req128_l = false;
 204		req128_c = true;
 205		swath_bytes_l = full_swath_bytes_packed_l;
 206		swath_bytes_c = full_swath_bytes_packed_c / 2;
 207
 208		total_swath_bytes = 2 * swath_bytes_l + 2 * swath_bytes_c;
 209
 210		if (total_swath_bytes > detile_buf_size_in_bytes) {
 211			req128_l = true;
 212			swath_bytes_l = full_swath_bytes_packed_l / 2;
 213		}
 214	} else {
 215		req128_l = true;
 216		req128_c = false;
 217		swath_bytes_l = full_swath_bytes_packed_l/2;
 218		swath_bytes_c = full_swath_bytes_packed_c;
 219
 220		total_swath_bytes = 2 * swath_bytes_l + 2 * swath_bytes_c;
 221
 222		if (total_swath_bytes > detile_buf_size_in_bytes) {
 223			req128_c = true;
 224			swath_bytes_c = full_swath_bytes_packed_c/2;
 225		}
 226	}
 227
 228	if (rq_param->yuv420)
 229		total_swath_bytes = 2 * swath_bytes_l + 2 * swath_bytes_c;
 230	else
 231		total_swath_bytes = 2 * swath_bytes_l;
 232
 233	rq_param->misc.rq_l.stored_swath_bytes = swath_bytes_l;
 234	rq_param->misc.rq_c.stored_swath_bytes = swath_bytes_c;
 235
 236	if (surf_linear) {
 237		log2_swath_height_l = 0;
 238		log2_swath_height_c = 0;
 239	} else {
 240		unsigned int swath_height_l;
 241		unsigned int swath_height_c;
 242
 243		if (!surf_vert) {
 244			swath_height_l = rq_param->misc.rq_l.blk256_height;
 245			swath_height_c = rq_param->misc.rq_c.blk256_height;
 246		} else {
 247			swath_height_l = rq_param->misc.rq_l.blk256_width;
 248			swath_height_c = rq_param->misc.rq_c.blk256_width;
 249		}
 250
 251		if (swath_height_l > 0)
 252			log2_swath_height_l = dml_log2(swath_height_l);
 253
 254		if (req128_l && log2_swath_height_l > 0)
 255			log2_swath_height_l -= 1;
 256
 257		if (swath_height_c > 0)
 258			log2_swath_height_c = dml_log2(swath_height_c);
 259
 260		if (req128_c && log2_swath_height_c > 0)
 261			log2_swath_height_c -= 1;
 262	}
 263
 264	rq_param->dlg.rq_l.swath_height = 1 << log2_swath_height_l;
 265	rq_param->dlg.rq_c.swath_height = 1 << log2_swath_height_c;
 266
 267	dml_print("DML_DLG: %s: req128_l = %0d\n", __func__, req128_l);
 268	dml_print("DML_DLG: %s: req128_c = %0d\n", __func__, req128_c);
 269	dml_print("DML_DLG: %s: full_swath_bytes_packed_l = %0d\n",
 270		__func__,
 271		full_swath_bytes_packed_l);
 272	dml_print("DML_DLG: %s: full_swath_bytes_packed_c = %0d\n",
 273		__func__,
 274		full_swath_bytes_packed_c);
 275}
 276
 277static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
 278	display_data_rq_dlg_params_st *rq_dlg_param,
 279	display_data_rq_misc_params_st *rq_misc_param,
 280	display_data_rq_sizing_params_st *rq_sizing_param,
 281	unsigned int vp_width,
 282	unsigned int vp_height,
 283	unsigned int data_pitch,
 284	unsigned int meta_pitch,
 285	unsigned int source_format,
 286	unsigned int tiling,
 287	unsigned int macro_tile_size,
 288	unsigned int source_scan,
 289	unsigned int hostvm_enable,
 290	unsigned int is_chroma,
 291	unsigned int surface_height)
 292{
 293	bool surf_linear = (tiling == dm_sw_linear);
 294	bool surf_vert = (source_scan == dm_vert);
 295
 296	unsigned int bytes_per_element = 0;
 297	unsigned int bytes_per_element_y = 0;
 298	unsigned int bytes_per_element_c = 0;
 299
 300	unsigned int blk256_width = 0;
 301	unsigned int blk256_height = 0;
 302
 303	unsigned int blk256_width_y = 0;
 304	unsigned int blk256_height_y = 0;
 305	unsigned int blk256_width_c = 0;
 306	unsigned int blk256_height_c = 0;
 307	unsigned int log2_bytes_per_element = 0;
 308	unsigned int log2_blk256_width = 0;
 309	unsigned int log2_blk256_height = 0;
 310	unsigned int blk_bytes = 0;
 311	unsigned int log2_blk_bytes = 0;
 312	unsigned int log2_blk_height = 0;
 313	unsigned int log2_blk_width = 0;
 314	unsigned int log2_meta_req_bytes = 0;
 315	unsigned int log2_meta_req_height = 0;
 316	unsigned int log2_meta_req_width = 0;
 317	unsigned int meta_req_width = 0;
 318	unsigned int meta_req_height = 0;
 319	unsigned int log2_meta_row_height = 0;
 320	unsigned int meta_row_width_ub = 0;
 321	unsigned int log2_meta_chunk_bytes = 0;
 322	unsigned int log2_meta_chunk_height = 0;
 323
 324	//full sized meta chunk width in unit of data elements
 325	unsigned int log2_meta_chunk_width = 0;
 326	unsigned int log2_min_meta_chunk_bytes = 0;
 327	unsigned int min_meta_chunk_width = 0;
 328	unsigned int meta_chunk_width = 0;
 329	unsigned int meta_chunk_per_row_int = 0;
 330	unsigned int meta_row_remainder = 0;
 331	unsigned int meta_chunk_threshold = 0;
 332	unsigned int meta_blk_bytes = 0;
 333	unsigned int meta_blk_height = 0;
 334	unsigned int meta_blk_width = 0;
 335	unsigned int meta_surface_bytes = 0;
 336	unsigned int vmpg_bytes = 0;
 337	unsigned int meta_pte_req_per_frame_ub = 0;
 338	unsigned int meta_pte_bytes_per_frame_ub = 0;
 339	const unsigned int log2_vmpg_bytes = dml_log2(mode_lib->soc.gpuvm_min_page_size_bytes);
 340	const bool dual_plane_en = is_dual_plane((enum source_format_class)(source_format));
 341	const unsigned int dpte_buf_in_pte_reqs = dual_plane_en ?
 342		(is_chroma ? mode_lib->ip.dpte_buffer_size_in_pte_reqs_chroma : mode_lib->ip.dpte_buffer_size_in_pte_reqs_luma)
 343		: (mode_lib->ip.dpte_buffer_size_in_pte_reqs_luma + mode_lib->ip.dpte_buffer_size_in_pte_reqs_chroma);
 344
 345	unsigned int log2_vmpg_height = 0;
 346	unsigned int log2_vmpg_width = 0;
 347	unsigned int log2_dpte_req_height_ptes = 0;
 348	unsigned int log2_dpte_req_height = 0;
 349	unsigned int log2_dpte_req_width = 0;
 350	unsigned int log2_dpte_row_height_linear = 0;
 351	unsigned int log2_dpte_row_height = 0;
 352	unsigned int log2_dpte_group_width = 0;
 353	unsigned int dpte_row_width_ub = 0;
 354	unsigned int dpte_req_height = 0;
 355	unsigned int dpte_req_width = 0;
 356	unsigned int dpte_group_width = 0;
 357	unsigned int log2_dpte_group_bytes = 0;
 358	unsigned int log2_dpte_group_length = 0;
 359	double byte_per_pixel_det_y = 0;
 360	double byte_per_pixel_det_c = 0;
 361
 362	dml30_CalculateBytePerPixelAnd256BBlockSizes((enum source_format_class)(source_format),
 363		(enum dm_swizzle_mode)(tiling),
 364		&bytes_per_element_y,
 365		&bytes_per_element_c,
 366		&byte_per_pixel_det_y,
 367		&byte_per_pixel_det_c,
 368		&blk256_height_y,
 369		&blk256_height_c,
 370		&blk256_width_y,
 371		&blk256_width_c);
 372
 373	if (!is_chroma) {
 374		blk256_width = blk256_width_y;
 375		blk256_height = blk256_height_y;
 376		bytes_per_element = bytes_per_element_y;
 377	} else {
 378		blk256_width = blk256_width_c;
 379		blk256_height = blk256_height_c;
 380		bytes_per_element = bytes_per_element_c;
 381	}
 382
 383	log2_bytes_per_element = dml_log2(bytes_per_element);
 384
 385	dml_print("DML_DLG: %s: surf_linear        = %d\n", __func__, surf_linear);
 386	dml_print("DML_DLG: %s: surf_vert          = %d\n", __func__, surf_vert);
 387	dml_print("DML_DLG: %s: blk256_width       = %d\n", __func__, blk256_width);
 388	dml_print("DML_DLG: %s: blk256_height      = %d\n", __func__, blk256_height);
 389
 390	log2_blk256_width = dml_log2((double)blk256_width);
 391	log2_blk256_height = dml_log2((double)blk256_height);
 392	blk_bytes = surf_linear ?
 393		256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
 394	log2_blk_bytes = dml_log2((double)blk_bytes);
 395
 396	// remember log rule
 397	// "+" in log is multiply
 398	// "-" in log is divide
 399	// "/2" is like square root
 400	// blk is vertical biased
 401	if (tiling != dm_sw_linear)
 402		log2_blk_height = log2_blk256_height
 403		+ dml_ceil((double)(log2_blk_bytes - 8) / 2.0, 1);
 404	else
 405		log2_blk_height = 0;  // blk height of 1
 406
 407	log2_blk_width = log2_blk_bytes - log2_bytes_per_element - log2_blk_height;
 408
 409	if (!surf_vert) {
 410		int unsigned temp = 0;
 411
 412		temp = dml_round_to_multiple(vp_width - 1, blk256_width, 1) + blk256_width;
 413		if (data_pitch < blk256_width) {
 414			dml_print("WARNING: DML_DLG: %s: swath_size calculation ignoring data_pitch=%u < blk256_width=%u\n", __func__, data_pitch, blk256_width);
 415		} else {
 416			if (temp > data_pitch) {
 417				if (data_pitch >= vp_width)
 418					temp = data_pitch;
 419				else
 420					dml_print("WARNING: DML_DLG: %s: swath_size calculation ignoring data_pitch=%u < vp_width=%u\n", __func__, data_pitch, vp_width);
 421			}
 422		}
 423		rq_dlg_param->swath_width_ub = temp;
 424		rq_dlg_param->req_per_swath_ub = temp >> log2_blk256_width;
 425	} else {
 426		int unsigned temp = 0;
 427
 428		temp = dml_round_to_multiple(vp_height - 1, blk256_height, 1) + blk256_height;
 429		if (surface_height < blk256_height) {
 430			dml_print("WARNING: DML_DLG: %s swath_size calculation ignored surface_height=%u < blk256_height=%u\n", __func__, surface_height, blk256_height);
 431		} else {
 432			if (temp > surface_height) {
 433				if (surface_height >= vp_height)
 434					temp = surface_height;
 435				else
 436					dml_print("WARNING: DML_DLG: %s swath_size calculation ignored surface_height=%u < vp_height=%u\n", __func__, surface_height, vp_height);
 437			}
 438		}
 439		rq_dlg_param->swath_width_ub = temp;
 440		rq_dlg_param->req_per_swath_ub = temp >> log2_blk256_height;
 441	}
 442
 443	if (!surf_vert)
 444		rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_height
 445		* bytes_per_element;
 446	else
 447		rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_width
 448		* bytes_per_element;
 449
 450	rq_misc_param->blk256_height = blk256_height;
 451	rq_misc_param->blk256_width = blk256_width;
 452
 453	// -------
 454	// meta
 455	// -------
 456	log2_meta_req_bytes = 6; // meta request is 64b and is 8x8byte meta element
 457
 458				 // each 64b meta request for dcn is 8x8 meta elements and
 459				 // a meta element covers one 256b block of the data surface.
 460	log2_meta_req_height = log2_blk256_height + 3; // meta req is 8x8 byte, each byte represent 1 blk256
 461	log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element
 462		- log2_meta_req_height;
 463	meta_req_width = 1 << log2_meta_req_width;
 464	meta_req_height = 1 << log2_meta_req_height;
 465
 466	// the dimensions of a meta row are meta_row_width x meta_row_height in elements.
 467	// calculate upper bound of the meta_row_width
 468	if (!surf_vert) {
 469		log2_meta_row_height = log2_meta_req_height;
 470		meta_row_width_ub = dml_round_to_multiple(vp_width - 1, meta_req_width, 1)
 471			+ meta_req_width;
 472		rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_width;
 473	} else {
 474		log2_meta_row_height = log2_meta_req_width;
 475		meta_row_width_ub = dml_round_to_multiple(vp_height - 1, meta_req_height, 1)
 476			+ meta_req_height;
 477		rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_height;
 478	}
 479	rq_dlg_param->meta_bytes_per_row_ub = rq_dlg_param->meta_req_per_row_ub * 64;
 480
 481	rq_dlg_param->meta_row_height = 1 << log2_meta_row_height;
 482
 483	log2_meta_chunk_bytes = dml_log2(rq_sizing_param->meta_chunk_bytes);
 484	log2_meta_chunk_height = log2_meta_row_height;
 485
 486	//full sized meta chunk width in unit of data elements
 487	log2_meta_chunk_width = log2_meta_chunk_bytes + 8 - log2_bytes_per_element
 488		- log2_meta_chunk_height;
 489	log2_min_meta_chunk_bytes = dml_log2(rq_sizing_param->min_meta_chunk_bytes);
 490	min_meta_chunk_width = 1
 491		<< (log2_min_meta_chunk_bytes + 8 - log2_bytes_per_element
 492			- log2_meta_chunk_height);
 493	meta_chunk_width = 1 << log2_meta_chunk_width;
 494	meta_chunk_per_row_int = (unsigned int)(meta_row_width_ub / meta_chunk_width);
 495	meta_row_remainder = meta_row_width_ub % meta_chunk_width;
 496	meta_chunk_threshold = 0;
 497	meta_blk_bytes = 4096;
 498	meta_blk_height = blk256_height * 64;
 499	meta_blk_width = meta_blk_bytes * 256 / bytes_per_element / meta_blk_height;
 500	meta_surface_bytes = meta_pitch
 501		* (dml_round_to_multiple(vp_height - 1, meta_blk_height, 1) + meta_blk_height)
 502		* bytes_per_element / 256;
 503	vmpg_bytes = mode_lib->soc.gpuvm_min_page_size_bytes;
 504	meta_pte_req_per_frame_ub = (dml_round_to_multiple(meta_surface_bytes - vmpg_bytes,
 505		8 * vmpg_bytes,
 506		1) + 8 * vmpg_bytes) / (8 * vmpg_bytes);
 507	meta_pte_bytes_per_frame_ub = meta_pte_req_per_frame_ub * 64; //64B mpte request
 508	rq_dlg_param->meta_pte_bytes_per_frame_ub = meta_pte_bytes_per_frame_ub;
 509
 510	dml_print("DML_DLG: %s: meta_blk_height             = %d\n", __func__, meta_blk_height);
 511	dml_print("DML_DLG: %s: meta_blk_width              = %d\n", __func__, meta_blk_width);
 512	dml_print("DML_DLG: %s: meta_surface_bytes          = %d\n", __func__, meta_surface_bytes);
 513	dml_print("DML_DLG: %s: meta_pte_req_per_frame_ub   = %d\n",
 514		__func__,
 515		meta_pte_req_per_frame_ub);
 516	dml_print("DML_DLG: %s: meta_pte_bytes_per_frame_ub = %d\n",
 517		__func__,
 518		meta_pte_bytes_per_frame_ub);
 519
 520	if (!surf_vert)
 521		meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_width;
 522	else
 523		meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_height;
 524
 525	if (meta_row_remainder <= meta_chunk_threshold)
 526		rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 1;
 527	else
 528		rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 2;
 529
 530	// ------
 531	// dpte
 532	// ------
 533	if (surf_linear) {
 534		log2_vmpg_height = 0;   // one line high
 535	} else {
 536		log2_vmpg_height = (log2_vmpg_bytes - 8) / 2 + log2_blk256_height;
 537	}
 538	log2_vmpg_width = log2_vmpg_bytes - log2_bytes_per_element - log2_vmpg_height;
 539
 540	// only 3 possible shapes for dpte request in dimensions of ptes: 8x1, 4x2, 2x4.
 541	if (surf_linear) { //one 64B PTE request returns 8 PTEs
 542		log2_dpte_req_height_ptes = 0;
 543		log2_dpte_req_width = log2_vmpg_width + 3;
 544		log2_dpte_req_height = 0;
 545	} else if (log2_blk_bytes == 12) { //4KB tile means 4kB page size
 546					 //one 64B req gives 8x1 PTEs for 4KB tile
 547		log2_dpte_req_height_ptes = 0;
 548		log2_dpte_req_width = log2_blk_width + 3;
 549		log2_dpte_req_height = log2_blk_height + 0;
 550	} else if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) { // tile block >= 64KB
 551									  //two 64B reqs of 2x4 PTEs give 16 PTEs to cover 64KB
 552		log2_dpte_req_height_ptes = 4;
 553		log2_dpte_req_width = log2_blk256_width + 4; // log2_64KB_width
 554		log2_dpte_req_height = log2_blk256_height + 4; // log2_64KB_height
 555	} else { //64KB page size and must 64KB tile block
 556		   //one 64B req gives 8x1 PTEs for 64KB tile
 557		log2_dpte_req_height_ptes = 0;
 558		log2_dpte_req_width = log2_blk_width + 3;
 559		log2_dpte_req_height = log2_blk_height + 0;
 560	}
 561
 562	// The dpte request dimensions in data elements is dpte_req_width x dpte_req_height
 563	// log2_vmpg_width is how much 1 pte represent, now calculating how much a 64b pte req represent
 564	// That depends on the pte shape (i.e. 8x1, 4x2, 2x4)
 565	//log2_dpte_req_height	= log2_vmpg_height + log2_dpte_req_height_ptes;
 566	//log2_dpte_req_width	 = log2_vmpg_width + log2_dpte_req_width_ptes;
 567	dpte_req_height = 1 << log2_dpte_req_height;
 568	dpte_req_width = 1 << log2_dpte_req_width;
 569
 570	// calculate pitch dpte row buffer can hold
 571	// round the result down to a power of two.
 572	if (surf_linear) {
 573		unsigned int dpte_row_height = 0;
 574
 575		log2_dpte_row_height_linear = dml_floor(dml_log2(dpte_buf_in_pte_reqs * dpte_req_width / data_pitch), 1);
 576
 577		dml_print("DML_DLG: %s: is_chroma                   = %d\n", __func__, is_chroma);
 578		dml_print("DML_DLG: %s: dpte_buf_in_pte_reqs        = %d\n", __func__, dpte_buf_in_pte_reqs);
 579		dml_print("DML_DLG: %s: log2_dpte_row_height_linear = %d\n", __func__, log2_dpte_row_height_linear);
 580
 581		ASSERT(log2_dpte_row_height_linear >= 3);
 582
 583		if (log2_dpte_row_height_linear > 7)
 584			log2_dpte_row_height_linear = 7;
 585
 586		log2_dpte_row_height = log2_dpte_row_height_linear;
 587		// For linear, the dpte row is pitch dependent and the pte requests wrap at the pitch boundary.
 588		// the dpte_row_width_ub is the upper bound of data_pitch*dpte_row_height in elements with this unique buffering.
 589		dpte_row_height = 1 << log2_dpte_row_height;
 590		dpte_row_width_ub = dml_round_to_multiple(data_pitch * dpte_row_height - 1,
 591			dpte_req_width,
 592			1) + dpte_req_width;
 593		rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
 594	} else {
 595		// the upper bound of the dpte_row_width without dependency on viewport position follows.
 596		// for tiled mode, row height is the same as req height and row store up to vp size upper bound
 597		if (!surf_vert) {
 598			log2_dpte_row_height = log2_dpte_req_height;
 599			dpte_row_width_ub = dml_round_to_multiple(vp_width - 1, dpte_req_width, 1)
 600				+ dpte_req_width;
 601			rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
 602		} else {
 603			log2_dpte_row_height =
 604				(log2_blk_width < log2_dpte_req_width) ?
 605				log2_blk_width : log2_dpte_req_width;
 606			dpte_row_width_ub = dml_round_to_multiple(vp_height - 1, dpte_req_height, 1)
 607				+ dpte_req_height;
 608			rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_height;
 609		}
 610	}
 611	if (log2_blk_bytes >= 16 && log2_vmpg_bytes == 12) // tile block >= 64KB
 612		rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 128; //2*64B dpte request
 613	else
 614		rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 64; //64B dpte request
 615
 616	rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height;
 617
 618	// the dpte_group_bytes is reduced for the specific case of vertical
 619	// access of a tile surface that has dpte request of 8x1 ptes.
 620	if (hostvm_enable)
 621		rq_sizing_param->dpte_group_bytes = 512;
 622	else {
 623		if (!surf_linear && (log2_dpte_req_height_ptes == 0) && surf_vert) //reduced, in this case, will have page fault within a group
 624			rq_sizing_param->dpte_group_bytes = 512;
 625		else
 626			rq_sizing_param->dpte_group_bytes = 2048;
 627	}
 628
 629	//since pte request size is 64byte, the number of data pte requests per full sized group is as follows.
 630	log2_dpte_group_bytes = dml_log2(rq_sizing_param->dpte_group_bytes);
 631	log2_dpte_group_length = log2_dpte_group_bytes - 6; //length in 64b requests
 632
 633								// full sized data pte group width in elements
 634	if (!surf_vert)
 635		log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_width;
 636	else
 637		log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_height;
 638
 639	//But if the tile block >=64KB and the page size is 4KB, then each dPTE request is 2*64B
 640	if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) // tile block >= 64KB
 641		log2_dpte_group_width = log2_dpte_group_width - 1;
 642
 643	dpte_group_width = 1 << log2_dpte_group_width;
 644
 645	// since dpte groups are only aligned to dpte_req_width and not dpte_group_width,
 646	// the upper bound for the dpte groups per row is as follows.
 647	rq_dlg_param->dpte_groups_per_row_ub = dml_ceil((double)dpte_row_width_ub / dpte_group_width,
 648		1);
 649}
 650
 651static void get_surf_rq_param(struct display_mode_lib *mode_lib,
 652	display_data_rq_sizing_params_st *rq_sizing_param,
 653	display_data_rq_dlg_params_st *rq_dlg_param,
 654	display_data_rq_misc_params_st *rq_misc_param,
 655	const display_pipe_params_st *pipe_param,
 656	bool is_chroma,
 657	bool is_alpha)
 658{
 659	unsigned int vp_width = 0;
 660	unsigned int vp_height = 0;
 661	unsigned int data_pitch = 0;
 662	unsigned int meta_pitch = 0;
 663	unsigned int surface_height = 0;
 664	unsigned int ppe = 1;
 665
 666	// FIXME check if ppe apply for both luma and chroma in 422 case
 667	if (is_chroma | is_alpha) {
 668		vp_width = pipe_param->src.viewport_width_c / ppe;
 669		vp_height = pipe_param->src.viewport_height_c;
 670		data_pitch = pipe_param->src.data_pitch_c;
 671		meta_pitch = pipe_param->src.meta_pitch_c;
 672		surface_height = pipe_param->src.surface_height_y / 2.0;
 673	} else {
 674		vp_width = pipe_param->src.viewport_width / ppe;
 675		vp_height = pipe_param->src.viewport_height;
 676		data_pitch = pipe_param->src.data_pitch;
 677		meta_pitch = pipe_param->src.meta_pitch;
 678		surface_height = pipe_param->src.surface_height_y;
 679	}
 680
 681	if (pipe_param->dest.odm_combine) {
 682		unsigned int access_dir = 0;
 683		unsigned int full_src_vp_width = 0;
 684		unsigned int hactive_odm = 0;
 685		unsigned int src_hactive_odm = 0;
 686		access_dir = (pipe_param->src.source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
 687		hactive_odm  = pipe_param->dest.hactive / ((unsigned int) pipe_param->dest.odm_combine*2);
 688		if (is_chroma) {
 689			full_src_vp_width = pipe_param->scale_ratio_depth.hscl_ratio_c * pipe_param->dest.full_recout_width;
 690			src_hactive_odm  = pipe_param->scale_ratio_depth.hscl_ratio_c * hactive_odm;
 691		} else {
 692			full_src_vp_width = pipe_param->scale_ratio_depth.hscl_ratio * pipe_param->dest.full_recout_width;
 693			src_hactive_odm  = pipe_param->scale_ratio_depth.hscl_ratio * hactive_odm;
 694		}
 695
 696		if (access_dir == 0) {
 697			vp_width = dml_min(full_src_vp_width, src_hactive_odm);
 698			dml_print("DML_DLG: %s: vp_width = %d\n", __func__, vp_width);
 699		} else {
 700			vp_height = dml_min(full_src_vp_width, src_hactive_odm);
 701			dml_print("DML_DLG: %s: vp_height = %d\n", __func__, vp_height);
 702		}
 703		dml_print("DML_DLG: %s: full_src_vp_width = %d\n", __func__, full_src_vp_width);
 704		dml_print("DML_DLG: %s: hactive_odm = %d\n", __func__, hactive_odm);
 705		dml_print("DML_DLG: %s: src_hactive_odm = %d\n", __func__, src_hactive_odm);
 706	}
 707
 708	rq_sizing_param->chunk_bytes = 8192;
 709
 710	if (is_alpha) {
 711		rq_sizing_param->chunk_bytes = 4096;
 712	}
 713
 714	if (rq_sizing_param->chunk_bytes == 64 * 1024)
 715		rq_sizing_param->min_chunk_bytes = 0;
 716	else
 717		rq_sizing_param->min_chunk_bytes = 1024;
 718
 719	rq_sizing_param->meta_chunk_bytes = 2048;
 720	rq_sizing_param->min_meta_chunk_bytes = 256;
 721
 722	if (pipe_param->src.hostvm)
 723		rq_sizing_param->mpte_group_bytes = 512;
 724	else
 725		rq_sizing_param->mpte_group_bytes = 2048;
 726
 727	get_meta_and_pte_attr(mode_lib,
 728		rq_dlg_param,
 729		rq_misc_param,
 730		rq_sizing_param,
 731		vp_width,
 732		vp_height,
 733		data_pitch,
 734		meta_pitch,
 735		pipe_param->src.source_format,
 736		pipe_param->src.sw_mode,
 737		pipe_param->src.macro_tile_size,
 738		pipe_param->src.source_scan,
 739		pipe_param->src.hostvm,
 740		is_chroma,
 741		surface_height);
 742}
 743
 744static void dml_rq_dlg_get_rq_params(struct display_mode_lib *mode_lib,
 745	display_rq_params_st *rq_param,
 746	const display_pipe_params_st *pipe_param)
 747{
 748	// get param for luma surface
 749	rq_param->yuv420 = pipe_param->src.source_format == dm_420_8
 750	|| pipe_param->src.source_format == dm_420_10
 751	|| pipe_param->src.source_format == dm_rgbe_alpha
 752	|| pipe_param->src.source_format == dm_420_12;
 753
 754	rq_param->yuv420_10bpc = pipe_param->src.source_format == dm_420_10;
 755
 756	rq_param->rgbe_alpha = (pipe_param->src.source_format == dm_rgbe_alpha)?1:0;
 757
 758	get_surf_rq_param(mode_lib,
 759		&(rq_param->sizing.rq_l),
 760		&(rq_param->dlg.rq_l),
 761		&(rq_param->misc.rq_l),
 762		pipe_param,
 763		0,
 764		0);
 765
 766	if (is_dual_plane((enum source_format_class)(pipe_param->src.source_format))) {
 767		// get param for chroma surface
 768		get_surf_rq_param(mode_lib,
 769			&(rq_param->sizing.rq_c),
 770			&(rq_param->dlg.rq_c),
 771			&(rq_param->misc.rq_c),
 772			pipe_param,
 773			1,
 774			rq_param->rgbe_alpha);
 775	}
 776
 777	// calculate how to split the det buffer space between luma and chroma
 778	handle_det_buf_split(mode_lib, rq_param, &pipe_param->src);
 779	print__rq_params_st(mode_lib, rq_param);
 780}
 781
 782void dml30_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
 783	display_rq_regs_st *rq_regs,
 784	const display_pipe_params_st *pipe_param)
 785{
 786	display_rq_params_st rq_param = { 0 };
 787
 788	memset(rq_regs, 0, sizeof(*rq_regs));
 789	dml_rq_dlg_get_rq_params(mode_lib, &rq_param, pipe_param);
 790	extract_rq_regs(mode_lib, rq_regs, &rq_param);
 791
 792	print__rq_regs_st(mode_lib, rq_regs);
 793}
 794
 795static void calculate_ttu_cursor(struct display_mode_lib *mode_lib,
 796	double *refcyc_per_req_delivery_pre_cur,
 797	double *refcyc_per_req_delivery_cur,
 798	double refclk_freq_in_mhz,
 799	double ref_freq_to_pix_freq,
 800	double hscale_pixel_rate_l,
 801	double hscl_ratio,
 802	double vratio_pre_l,
 803	double vratio_l,
 804	unsigned int cur_width,
 805	enum cursor_bpp cur_bpp)
 806{
 807	unsigned int cur_src_width = cur_width;
 808	unsigned int cur_req_size = 0;
 809	unsigned int cur_req_width = 0;
 810	double cur_width_ub = 0.0;
 811	double cur_req_per_width = 0.0;
 812	double hactive_cur = 0.0;
 813
 814	ASSERT(cur_src_width <= 256);
 815
 816	*refcyc_per_req_delivery_pre_cur = 0.0;
 817	*refcyc_per_req_delivery_cur = 0.0;
 818	if (cur_src_width > 0) {
 819		unsigned int cur_bit_per_pixel = 0;
 820
 821		if (cur_bpp == dm_cur_2bit) {
 822			cur_req_size = 64; // byte
 823			cur_bit_per_pixel = 2;
 824		} else { // 32bit
 825			cur_bit_per_pixel = 32;
 826			if (cur_src_width >= 1 && cur_src_width <= 16)
 827				cur_req_size = 64;
 828			else if (cur_src_width >= 17 && cur_src_width <= 31)
 829				cur_req_size = 128;
 830			else
 831				cur_req_size = 256;
 832		}
 833
 834		cur_req_width = (double)cur_req_size / ((double)cur_bit_per_pixel / 8.0);
 835		cur_width_ub = dml_ceil((double)cur_src_width / (double)cur_req_width, 1)
 836			* (double)cur_req_width;
 837		cur_req_per_width = cur_width_ub / (double)cur_req_width;
 838		hactive_cur = (double)cur_src_width / hscl_ratio; // FIXME: oswin to think about what to do for cursor
 839
 840		if (vratio_pre_l <= 1.0) {
 841			*refcyc_per_req_delivery_pre_cur = hactive_cur * ref_freq_to_pix_freq
 842				/ (double)cur_req_per_width;
 843		} else {
 844			*refcyc_per_req_delivery_pre_cur = (double)refclk_freq_in_mhz
 845				* (double)cur_src_width / hscale_pixel_rate_l
 846				/ (double)cur_req_per_width;
 847		}
 848
 849		ASSERT(*refcyc_per_req_delivery_pre_cur < dml_pow(2, 13));
 850
 851		if (vratio_l <= 1.0) {
 852			*refcyc_per_req_delivery_cur = hactive_cur * ref_freq_to_pix_freq
 853				/ (double)cur_req_per_width;
 854		} else {
 855			*refcyc_per_req_delivery_cur = (double)refclk_freq_in_mhz
 856				* (double)cur_src_width / hscale_pixel_rate_l
 857				/ (double)cur_req_per_width;
 858		}
 859
 860		dml_print("DML_DLG: %s: cur_req_width                     = %d\n",
 861			__func__,
 862			cur_req_width);
 863		dml_print("DML_DLG: %s: cur_width_ub                      = %3.2f\n",
 864			__func__,
 865			cur_width_ub);
 866		dml_print("DML_DLG: %s: cur_req_per_width                 = %3.2f\n",
 867			__func__,
 868			cur_req_per_width);
 869		dml_print("DML_DLG: %s: hactive_cur                       = %3.2f\n",
 870			__func__,
 871			hactive_cur);
 872		dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_cur   = %3.2f\n",
 873			__func__,
 874			*refcyc_per_req_delivery_pre_cur);
 875		dml_print("DML_DLG: %s: refcyc_per_req_delivery_cur       = %3.2f\n",
 876			__func__,
 877			*refcyc_per_req_delivery_cur);
 878
 879		ASSERT(*refcyc_per_req_delivery_cur < dml_pow(2, 13));
 880	}
 881}
 882
 883// Note: currently taken in as is.
 884// Nice to decouple code from hw register implement and extract code that are repeated for luma and chroma.
 885static void dml_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
 886	const display_e2e_pipe_params_st *e2e_pipe_param,
 887	const unsigned int num_pipes,
 888	const unsigned int pipe_idx,
 889	display_dlg_regs_st *disp_dlg_regs,
 890	display_ttu_regs_st *disp_ttu_regs,
 891	const display_rq_dlg_params_st rq_dlg_param,
 892	const display_dlg_sys_params_st dlg_sys_param,
 893	const bool cstate_en,
 894	const bool pstate_en,
 895	const bool vm_en,
 896	const bool ignore_viewport_pos,
 897	const bool immediate_flip_support)
 898{
 899	const display_pipe_source_params_st *src = &e2e_pipe_param[pipe_idx].pipe.src;
 900	const display_pipe_dest_params_st *dst = &e2e_pipe_param[pipe_idx].pipe.dest;
 901	const display_output_params_st *dout = &e2e_pipe_param[pipe_idx].dout;
 902	const display_clocks_and_cfg_st *clks = &e2e_pipe_param[pipe_idx].clks_cfg;
 903	const scaler_ratio_depth_st *scl = &e2e_pipe_param[pipe_idx].pipe.scale_ratio_depth;
 904	const scaler_taps_st *taps = &e2e_pipe_param[pipe_idx].pipe.scale_taps;
 905
 906	// -------------------------
 907	// Section 1.15.2.1: OTG dependent Params
 908	// -------------------------
 909	// Timing
 910	unsigned int htotal = dst->htotal;
 911	//	unsigned int hblank_start = dst.hblank_start; // TODO: Remove
 912	unsigned int hblank_end = dst->hblank_end;
 913	unsigned int vblank_start = dst->vblank_start;
 914	unsigned int vblank_end = dst->vblank_end;
 915	unsigned int min_vblank = mode_lib->ip.min_vblank_lines;
 916
 917	double dppclk_freq_in_mhz = clks->dppclk_mhz;
 918	double dispclk_freq_in_mhz = clks->dispclk_mhz;
 919	double refclk_freq_in_mhz = clks->refclk_mhz;
 920	double pclk_freq_in_mhz = dst->pixel_rate_mhz;
 921	bool interlaced = dst->interlaced;
 922
 923	double ref_freq_to_pix_freq = refclk_freq_in_mhz / pclk_freq_in_mhz;
 924
 925	double min_dcfclk_mhz = 0;
 926	double t_calc_us = 0;
 927	double min_ttu_vblank = 0;
 928
 929	double min_dst_y_ttu_vblank = 0;
 930	unsigned int dlg_vblank_start = 0;
 931	bool dual_plane = false;
 932	unsigned int access_dir = 0;
 933	unsigned int vp_height_l = 0;
 934	unsigned int vp_width_l = 0;
 935	unsigned int vp_height_c = 0;
 936	unsigned int vp_width_c = 0;
 937
 938	// Scaling
 939	unsigned int htaps_l = 0;
 940	unsigned int htaps_c = 0;
 941	double hratio_l = 0;
 942	double hratio_c = 0;
 943	double vratio_l = 0;
 944	double vratio_c = 0;
 945	bool scl_enable = false;
 946
 947	double line_time_in_us = 0;
 948	//	double vinit_l;
 949	//	double vinit_c;
 950	//	double vinit_bot_l;
 951	//	double vinit_bot_c;
 952
 953	//	unsigned int swath_height_l;
 954	unsigned int swath_width_ub_l = 0;
 955	//	unsigned int dpte_bytes_per_row_ub_l;
 956	unsigned int dpte_groups_per_row_ub_l = 0;
 957	//	unsigned int meta_pte_bytes_per_frame_ub_l;
 958	//	unsigned int meta_bytes_per_row_ub_l;
 959
 960	//	unsigned int swath_height_c;
 961	unsigned int swath_width_ub_c = 0;
 962	//   unsigned int dpte_bytes_per_row_ub_c;
 963	unsigned int dpte_groups_per_row_ub_c = 0;
 964
 965	unsigned int meta_chunks_per_row_ub_l = 0;
 966	unsigned int meta_chunks_per_row_ub_c = 0;
 967	unsigned int vupdate_offset = 0;
 968	unsigned int vupdate_width = 0;
 969	unsigned int vready_offset = 0;
 970
 971	unsigned int dppclk_delay_subtotal = 0;
 972	unsigned int dispclk_delay_subtotal = 0;
 973	unsigned int pixel_rate_delay_subtotal = 0;
 974
 975	unsigned int vstartup_start = 0;
 976	unsigned int dst_x_after_scaler = 0;
 977	int dst_y_after_scaler = 0;
 978	double line_wait = 0;
 979	double dst_y_prefetch = 0;
 980	double dst_y_per_vm_vblank = 0;
 981	double dst_y_per_row_vblank = 0;
 982	double dst_y_per_vm_flip = 0;
 983	double dst_y_per_row_flip = 0;
 984	double max_dst_y_per_vm_vblank = 0;
 985	double max_dst_y_per_row_vblank = 0;
 986	double lsw = 0;
 987	double vratio_pre_l = 0;
 988	double vratio_pre_c = 0;
 989	unsigned int req_per_swath_ub_l = 0;
 990	unsigned int req_per_swath_ub_c = 0;
 991	unsigned int meta_row_height_l = 0;
 992	unsigned int meta_row_height_c = 0;
 993	unsigned int swath_width_pixels_ub_l = 0;
 994	unsigned int swath_width_pixels_ub_c = 0;
 995	unsigned int scaler_rec_in_width_l = 0;
 996	unsigned int scaler_rec_in_width_c = 0;
 997	unsigned int dpte_row_height_l = 0;
 998	unsigned int dpte_row_height_c = 0;
 999	double hscale_pixel_rate_l = 0;
1000	double hscale_pixel_rate_c = 0;
1001	double min_hratio_fact_l = 0;
1002	double min_hratio_fact_c = 0;
1003	double refcyc_per_line_delivery_pre_l = 0;
1004	double refcyc_per_line_delivery_pre_c = 0;
1005	double refcyc_per_line_delivery_l = 0;
1006	double refcyc_per_line_delivery_c = 0;
1007
1008	double refcyc_per_req_delivery_pre_l = 0;
1009	double refcyc_per_req_delivery_pre_c = 0;
1010	double refcyc_per_req_delivery_l = 0;
1011	double refcyc_per_req_delivery_c = 0;
1012
1013	unsigned int full_recout_width = 0;
1014	double refcyc_per_req_delivery_pre_cur0 = 0;
1015	double refcyc_per_req_delivery_cur0 = 0;
1016	double refcyc_per_req_delivery_pre_cur1 = 0;
1017	double refcyc_per_req_delivery_cur1 = 0;
1018
1019	unsigned int pipe_index_in_combine[DC__NUM_PIPES__MAX] = { 0 };
1020
1021	memset(disp_dlg_regs, 0, sizeof(*disp_dlg_regs));
1022	memset(disp_ttu_regs, 0, sizeof(*disp_ttu_regs));
1023
1024	dml_print("DML_DLG: %s:  cstate_en = %d\n", __func__, cstate_en);
1025	dml_print("DML_DLG: %s:  pstate_en = %d\n", __func__, pstate_en);
1026	dml_print("DML_DLG: %s:  vm_en     = %d\n", __func__, vm_en);
1027	dml_print("DML_DLG: %s:  ignore_viewport_pos  = %d\n", __func__, ignore_viewport_pos);
1028	dml_print("DML_DLG: %s:  immediate_flip_support  = %d\n", __func__, immediate_flip_support);
1029
1030	dml_print("DML_DLG: %s: dppclk_freq_in_mhz     = %3.2f\n", __func__, dppclk_freq_in_mhz);
1031	dml_print("DML_DLG: %s: dispclk_freq_in_mhz    = %3.2f\n", __func__, dispclk_freq_in_mhz);
1032	dml_print("DML_DLG: %s: refclk_freq_in_mhz     = %3.2f\n", __func__, refclk_freq_in_mhz);
1033	dml_print("DML_DLG: %s: pclk_freq_in_mhz       = %3.2f\n", __func__, pclk_freq_in_mhz);
1034	dml_print("DML_DLG: %s: interlaced             = %d\n", __func__, interlaced);
1035	ASSERT(ref_freq_to_pix_freq < 4.0);
1036
1037	disp_dlg_regs->ref_freq_to_pix_freq =
1038		(unsigned int)(ref_freq_to_pix_freq * dml_pow(2, 19));
1039	disp_dlg_regs->refcyc_per_htotal = (unsigned int)(ref_freq_to_pix_freq * (double)htotal
1040		* dml_pow(2, 8));
1041	disp_dlg_regs->dlg_vblank_end = interlaced ? (vblank_end / 2) : vblank_end; // 15 bits
1042
1043	min_dcfclk_mhz = dlg_sys_param.deepsleep_dcfclk_mhz;
1044	t_calc_us = get_tcalc(mode_lib, e2e_pipe_param, num_pipes);
1045	min_ttu_vblank = get_min_ttu_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1046
1047	min_dst_y_ttu_vblank = min_ttu_vblank * pclk_freq_in_mhz / (double)htotal;
1048	dlg_vblank_start = interlaced ? (vblank_start / 2) : vblank_start;
1049
1050	disp_dlg_regs->min_dst_y_next_start = (unsigned int)(((double)dlg_vblank_start
1051		) * dml_pow(2, 2));
1052	ASSERT(disp_dlg_regs->min_dst_y_next_start < (unsigned int)dml_pow(2, 18));
1053
1054	dml_print("DML_DLG: %s: min_dcfclk_mhz                         = %3.2f\n",
1055		__func__,
1056		min_dcfclk_mhz);
1057	dml_print("DML_DLG: %s: min_ttu_vblank                         = %3.2f\n",
1058		__func__,
1059		min_ttu_vblank);
1060	dml_print("DML_DLG: %s: min_dst_y_ttu_vblank                   = %3.2f\n",
1061		__func__,
1062		min_dst_y_ttu_vblank);
1063	dml_print("DML_DLG: %s: t_calc_us                              = %3.2f\n",
1064		__func__,
1065		t_calc_us);
1066	dml_print("DML_DLG: %s: disp_dlg_regs->min_dst_y_next_start    = 0x%0x\n",
1067		__func__,
1068		disp_dlg_regs->min_dst_y_next_start);
1069	dml_print("DML_DLG: %s: ref_freq_to_pix_freq                   = %3.2f\n",
1070		__func__,
1071		ref_freq_to_pix_freq);
1072
1073	// -------------------------
1074	// Section 1.15.2.2: Prefetch, Active and TTU
1075	// -------------------------
1076	// Prefetch Calc
1077	// Source
1078	//			 dcc_en			  = src.dcc;
1079	dual_plane = is_dual_plane((enum source_format_class)(src->source_format));
1080	access_dir = (src->source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
1081	vp_height_l = src->viewport_height;
1082	vp_width_l = src->viewport_width;
1083	vp_height_c = src->viewport_height_c;
1084	vp_width_c = src->viewport_width_c;
1085
1086	// Scaling
1087	htaps_l = taps->htaps;
1088	htaps_c = taps->htaps_c;
1089	hratio_l = scl->hscl_ratio;
1090	hratio_c = scl->hscl_ratio_c;
1091	vratio_l = scl->vscl_ratio;
1092	vratio_c = scl->vscl_ratio_c;
1093	scl_enable = scl->scl_enable;
1094
1095	line_time_in_us = (htotal / pclk_freq_in_mhz);
1096	swath_width_ub_l = rq_dlg_param.rq_l.swath_width_ub;
1097	dpte_groups_per_row_ub_l = rq_dlg_param.rq_l.dpte_groups_per_row_ub;
1098	swath_width_ub_c = rq_dlg_param.rq_c.swath_width_ub;
1099	dpte_groups_per_row_ub_c = rq_dlg_param.rq_c.dpte_groups_per_row_ub;
1100
1101	meta_chunks_per_row_ub_l = rq_dlg_param.rq_l.meta_chunks_per_row_ub;
1102	meta_chunks_per_row_ub_c = rq_dlg_param.rq_c.meta_chunks_per_row_ub;
1103	vupdate_offset = dst->vupdate_offset;
1104	vupdate_width = dst->vupdate_width;
1105	vready_offset = dst->vready_offset;
1106
1107	dppclk_delay_subtotal = mode_lib->ip.dppclk_delay_subtotal;
1108	dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal;
1109
1110	if (scl_enable)
1111		dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl;
1112	else
1113		dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl_lb_only;
1114
1115	dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_cnvc_formatter
1116		+ src->num_cursors * mode_lib->ip.dppclk_delay_cnvc_cursor;
1117
1118	if (dout->dsc_enable) {
1119		double dsc_delay = get_dsc_delay(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1120
1121		dispclk_delay_subtotal += dsc_delay;
1122	}
1123
1124	pixel_rate_delay_subtotal = dppclk_delay_subtotal * pclk_freq_in_mhz / dppclk_freq_in_mhz
1125		+ dispclk_delay_subtotal * pclk_freq_in_mhz / dispclk_freq_in_mhz;
1126
1127	vstartup_start = dst->vstartup_start;
1128	if (interlaced) {
1129		if (vstartup_start / 2.0
1130			- (double)(vready_offset + vupdate_width + vupdate_offset) / htotal
1131			<= vblank_end / 2.0)
1132			disp_dlg_regs->vready_after_vcount0 = 1;
1133		else
1134			disp_dlg_regs->vready_after_vcount0 = 0;
1135	} else {
1136		if (vstartup_start
1137			- (double)(vready_offset + vupdate_width + vupdate_offset) / htotal
1138			<= vblank_end)
1139			disp_dlg_regs->vready_after_vcount0 = 1;
1140		else
1141			disp_dlg_regs->vready_after_vcount0 = 0;
1142	}
1143
1144	// TODO: Where is this coming from?
1145	if (interlaced)
1146		vstartup_start = vstartup_start / 2;
1147
1148	// TODO: What if this min_vblank doesn't match the value in the dml_config_settings.cpp?
1149	if (vstartup_start >= min_vblank) {
1150		dml_print("WARNING: DML_DLG: %s: vblank_start=%d vblank_end=%d\n",
1151			__func__,
1152			vblank_start,
1153			vblank_end);
1154		dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",
1155			__func__,
1156			vstartup_start,
1157			min_vblank);
1158		min_vblank = vstartup_start + 1;
1159		dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",
1160			__func__,
1161			vstartup_start,
1162			min_vblank);
1163	}
1164
1165	dst_x_after_scaler = get_dst_x_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1166	dst_y_after_scaler = get_dst_y_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1167	if (dst_y_after_scaler < 0)
1168		dst_y_after_scaler = 0;
1169
1170	// do some adjustment on the dst_after scaler to account for odm combine mode
1171	dml_print("DML_DLG: %s: input dst_x_after_scaler                     = %d\n",
1172		__func__,
1173		dst_x_after_scaler);
1174	dml_print("DML_DLG: %s: input dst_y_after_scaler                     = %d\n",
1175		__func__,
1176		dst_y_after_scaler);
1177
1178	// need to figure out which side of odm combine we're in
1179	if (dst->odm_combine) {
1180		// figure out which pipes go together
1181		bool visited[DC__NUM_PIPES__MAX] = { false };
1182		unsigned int i, j, k;
1183
1184		for (k = 0; k < num_pipes; ++k) {
1185			visited[k] = false;
1186			pipe_index_in_combine[k] = 0;
1187		}
1188
1189		for (i = 0; i < num_pipes; i++) {
1190			if (e2e_pipe_param[i].pipe.src.is_hsplit && !visited[i]) {
1191
1192				unsigned int grp = e2e_pipe_param[i].pipe.src.hsplit_grp;
1193				unsigned int grp_idx = 0;
1194
1195				for (j = i; j < num_pipes; j++) {
1196					if (e2e_pipe_param[j].pipe.src.hsplit_grp == grp
1197							&& e2e_pipe_param[j].pipe.src.is_hsplit && !visited[j]) {
1198						pipe_index_in_combine[j] = grp_idx;
1199						dml_print("DML_DLG: %s: pipe[%d] is in grp %d idx %d\n", __func__, j, grp, grp_idx);
1200						grp_idx++;
1201						visited[j] = true;
1202					}
1203				}
1204			}
1205		}
1206
1207	}
1208
1209	if (dst->odm_combine == dm_odm_combine_mode_disabled) {
1210		disp_dlg_regs->refcyc_h_blank_end = (unsigned int)((double) hblank_end * ref_freq_to_pix_freq);
1211	} else {
1212		unsigned int   odm_combine_factor = (dst->odm_combine == dm_odm_combine_mode_2to1 ? 2 : 4); // TODO: We should really check that 4to1 is supported before setting it to 4
1213		unsigned int   odm_pipe_index = pipe_index_in_combine[pipe_idx];
1214		disp_dlg_regs->refcyc_h_blank_end = (unsigned int)(((double) hblank_end + odm_pipe_index * (double) dst->hactive / odm_combine_factor) * ref_freq_to_pix_freq);
1215	}
1216	ASSERT(disp_dlg_regs->refcyc_h_blank_end < (unsigned int)dml_pow(2, 13));
1217
1218	dml_print("DML_DLG: %s: htotal                                     = %d\n", __func__, htotal);
1219	dml_print("DML_DLG: %s: pixel_rate_delay_subtotal                  = %d\n",
1220		__func__,
1221		pixel_rate_delay_subtotal);
1222	dml_print("DML_DLG: %s: dst_x_after_scaler[%d]                     = %d\n",
1223		__func__,
1224		pipe_idx,
1225		dst_x_after_scaler);
1226	dml_print("DML_DLG: %s: dst_y_after_scaler[%d]                     = %d\n",
1227		__func__,
1228		pipe_idx,
1229		dst_y_after_scaler);
1230
1231	// Lwait
1232		// TODO: Should this be urgent_latency_pixel_mixed_with_vm_data_us?
1233	line_wait = mode_lib->soc.urgent_latency_pixel_data_only_us;
1234	if (cstate_en)
1235		line_wait = dml_max(mode_lib->soc.sr_enter_plus_exit_time_us, line_wait);
1236	if (pstate_en)
1237		line_wait = dml_max(mode_lib->soc.dram_clock_change_latency_us
1238			+ mode_lib->soc.urgent_latency_pixel_data_only_us, // TODO: Should this be urgent_latency_pixel_mixed_with_vm_data_us?
1239			line_wait);
1240	line_wait = line_wait / line_time_in_us;
1241
1242	dst_y_prefetch = get_dst_y_prefetch(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1243	dml_print("DML_DLG: %s: dst_y_prefetch (after rnd) = %3.2f\n", __func__, dst_y_prefetch);
1244
1245	dst_y_per_vm_vblank = get_dst_y_per_vm_vblank(mode_lib,
1246		e2e_pipe_param,
1247		num_pipes,
1248		pipe_idx);
1249	dst_y_per_row_vblank = get_dst_y_per_row_vblank(mode_lib,
1250		e2e_pipe_param,
1251		num_pipes,
1252		pipe_idx);
1253	dst_y_per_vm_flip = get_dst_y_per_vm_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1254	dst_y_per_row_flip = get_dst_y_per_row_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1255
1256	max_dst_y_per_vm_vblank = 32.0;	 //U5.2
1257	max_dst_y_per_row_vblank = 16.0;	//U4.2
1258
1259	// magic!
1260	if (htotal <= 75) {
1261		min_vblank = 300;
1262		max_dst_y_per_vm_vblank = 100.0;
1263		max_dst_y_per_row_vblank = 100.0;
1264	}
1265
1266	dml_print("DML_DLG: %s: dst_y_per_vm_flip    = %3.2f\n", __func__, dst_y_per_vm_flip);
1267	dml_print("DML_DLG: %s: dst_y_per_row_flip   = %3.2f\n", __func__, dst_y_per_row_flip);
1268	dml_print("DML_DLG: %s: dst_y_per_vm_vblank  = %3.2f\n", __func__, dst_y_per_vm_vblank);
1269	dml_print("DML_DLG: %s: dst_y_per_row_vblank = %3.2f\n", __func__, dst_y_per_row_vblank);
1270
1271	ASSERT(dst_y_per_vm_vblank < max_dst_y_per_vm_vblank);
1272	ASSERT(dst_y_per_row_vblank < max_dst_y_per_row_vblank);
1273
1274	ASSERT(dst_y_prefetch > (dst_y_per_vm_vblank + dst_y_per_row_vblank));
1275	lsw = dst_y_prefetch - (dst_y_per_vm_vblank + dst_y_per_row_vblank);
1276
1277	dml_print("DML_DLG: %s: lsw = %3.2f\n", __func__, lsw);
1278
1279	vratio_pre_l = get_vratio_prefetch_l(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1280	vratio_pre_c = get_vratio_prefetch_c(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1281
1282	dml_print("DML_DLG: %s: vratio_pre_l=%3.2f\n", __func__, vratio_pre_l);
1283	dml_print("DML_DLG: %s: vratio_pre_c=%3.2f\n", __func__, vratio_pre_c);
1284
1285	// Active
1286	req_per_swath_ub_l = rq_dlg_param.rq_l.req_per_swath_ub;
1287	req_per_swath_ub_c = rq_dlg_param.rq_c.req_per_swath_ub;
1288	meta_row_height_l = rq_dlg_param.rq_l.meta_row_height;
1289	meta_row_height_c = rq_dlg_param.rq_c.meta_row_height;
1290	swath_width_pixels_ub_l = 0;
1291	swath_width_pixels_ub_c = 0;
1292	scaler_rec_in_width_l = 0;
1293	scaler_rec_in_width_c = 0;
1294	dpte_row_height_l = rq_dlg_param.rq_l.dpte_row_height;
1295	dpte_row_height_c = rq_dlg_param.rq_c.dpte_row_height;
1296
1297	swath_width_pixels_ub_l = swath_width_ub_l;
1298	swath_width_pixels_ub_c = swath_width_ub_c;
1299
1300	if (hratio_l <= 1)
1301		min_hratio_fact_l = 2.0;
1302	else if (htaps_l <= 6) {
1303		if ((hratio_l * 2.0) > 4.0)
1304			min_hratio_fact_l = 4.0;
1305		else
1306			min_hratio_fact_l = hratio_l * 2.0;
1307	} else {
1308		if (hratio_l > 4.0)
1309			min_hratio_fact_l = 4.0;
1310		else
1311			min_hratio_fact_l = hratio_l;
1312	}
1313
1314	hscale_pixel_rate_l = min_hratio_fact_l * dppclk_freq_in_mhz;
1315
1316	if (hratio_c <= 1)
1317		min_hratio_fact_c = 2.0;
1318	else if (htaps_c <= 6) {
1319		if ((hratio_c * 2.0) > 4.0)
1320			min_hratio_fact_c = 4.0;
1321		else
1322			min_hratio_fact_c = hratio_c * 2.0;
1323	} else {
1324		if (hratio_c > 4.0)
1325			min_hratio_fact_c = 4.0;
1326		else
1327			min_hratio_fact_c = hratio_c;
1328	}
1329
1330	hscale_pixel_rate_c = min_hratio_fact_c * dppclk_freq_in_mhz;
1331
1332	refcyc_per_line_delivery_pre_l = 0.;
1333	refcyc_per_line_delivery_pre_c = 0.;
1334	refcyc_per_line_delivery_l = 0.;
1335	refcyc_per_line_delivery_c = 0.;
1336
1337	refcyc_per_req_delivery_pre_l = 0.;
1338	refcyc_per_req_delivery_pre_c = 0.;
1339	refcyc_per_req_delivery_l = 0.;
1340	refcyc_per_req_delivery_c = 0.;
1341
1342	full_recout_width = 0;
1343	// In ODM
1344	if (src->is_hsplit) {
1345		// This "hack"  is only allowed (and valid) for MPC combine. In ODM
1346		// combine, you MUST specify the full_recout_width...according to Oswin
1347		if (dst->full_recout_width == 0 && !dst->odm_combine) {
1348			dml_print("DML_DLG: %s: Warning: full_recout_width not set in hsplit mode\n",
1349				__func__);
1350			full_recout_width = dst->recout_width * 2; // assume half split for dcn1
1351		} else
1352			full_recout_width = dst->full_recout_width;
1353	} else
1354		full_recout_width = dst->recout_width;
1355
1356	// As of DCN2, mpc_combine and odm_combine are mutually exclusive
1357	refcyc_per_line_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
1358		refclk_freq_in_mhz,
1359		pclk_freq_in_mhz,
1360		dst->odm_combine,
1361		full_recout_width,
1362		dst->hactive,
1363		vratio_pre_l,
1364		hscale_pixel_rate_l,
1365		swath_width_pixels_ub_l,
1366		1); // per line
1367
1368	refcyc_per_line_delivery_l = get_refcyc_per_delivery(mode_lib,
1369		refclk_freq_in_mhz,
1370		pclk_freq_in_mhz,
1371		dst->odm_combine,
1372		full_recout_width,
1373		dst->hactive,
1374		vratio_l,
1375		hscale_pixel_rate_l,
1376		swath_width_pixels_ub_l,
1377		1); // per line
1378
1379	dml_print("DML_DLG: %s: full_recout_width              = %d\n",
1380		__func__,
1381		full_recout_width);
1382	dml_print("DML_DLG: %s: hscale_pixel_rate_l            = %3.2f\n",
1383		__func__,
1384		hscale_pixel_rate_l);
1385	dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_l = %3.2f\n",
1386		__func__,
1387		refcyc_per_line_delivery_pre_l);
1388	dml_print("DML_DLG: %s: refcyc_per_line_delivery_l     = %3.2f\n",
1389		__func__,
1390		refcyc_per_line_delivery_l);
1391
1392	if (dual_plane) {
1393		refcyc_per_line_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
1394			refclk_freq_in_mhz,
1395			pclk_freq_in_mhz,
1396			dst->odm_combine,
1397			full_recout_width,
1398			dst->hactive,
1399			vratio_pre_c,
1400			hscale_pixel_rate_c,
1401			swath_width_pixels_ub_c,
1402			1); // per line
1403
1404		refcyc_per_line_delivery_c = get_refcyc_per_delivery(mode_lib,
1405			refclk_freq_in_mhz,
1406			pclk_freq_in_mhz,
1407			dst->odm_combine,
1408			full_recout_width,
1409			dst->hactive,
1410			vratio_c,
1411			hscale_pixel_rate_c,
1412			swath_width_pixels_ub_c,
1413			1);  // per line
1414
1415		dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_c = %3.2f\n",
1416			__func__,
1417			refcyc_per_line_delivery_pre_c);
1418		dml_print("DML_DLG: %s: refcyc_per_line_delivery_c     = %3.2f\n",
1419			__func__,
1420			refcyc_per_line_delivery_c);
1421	}
1422
1423	// smehta: this is a hack added until we get the real dml, sorry, need to make progress
1424	if (src->dynamic_metadata_enable && src->gpuvm) {
1425		unsigned int levels = mode_lib->ip.gpuvm_max_page_table_levels;
1426		double ref_cycles;
1427
1428		if (src->hostvm)
1429			levels = levels * (mode_lib->ip.hostvm_max_page_table_levels+1);
1430
1431		ref_cycles = (levels * mode_lib->soc.urgent_latency_vm_data_only_us) * refclk_freq_in_mhz;
1432		dml_print("BENyamin:    dst_y_prefetch                  = %f %d %f %f \n",
1433			ref_cycles, levels, mode_lib->soc.urgent_latency_vm_data_only_us, refclk_freq_in_mhz);
1434		disp_dlg_regs->refcyc_per_vm_dmdata = (unsigned int) ref_cycles;
1435	}
1436	dml_print("BENyamin:    dmdta_en vm                     = %d %d \n",
1437		src->dynamic_metadata_enable, src->vm);
1438	// TTU - Luma / Chroma
1439	if (access_dir) {  // vertical access
1440		scaler_rec_in_width_l = vp_height_l;
1441		scaler_rec_in_width_c = vp_height_c;
1442	} else {
1443		scaler_rec_in_width_l = vp_width_l;
1444		scaler_rec_in_width_c = vp_width_c;
1445	}
1446
1447	refcyc_per_req_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
1448		refclk_freq_in_mhz,
1449		pclk_freq_in_mhz,
1450		dst->odm_combine,
1451		full_recout_width,
1452		dst->hactive,
1453		vratio_pre_l,
1454		hscale_pixel_rate_l,
1455		scaler_rec_in_width_l,
1456		req_per_swath_ub_l);  // per req
1457	refcyc_per_req_delivery_l = get_refcyc_per_delivery(mode_lib,
1458		refclk_freq_in_mhz,
1459		pclk_freq_in_mhz,
1460		dst->odm_combine,
1461		full_recout_width,
1462		dst->hactive,
1463		vratio_l,
1464		hscale_pixel_rate_l,
1465		scaler_rec_in_width_l,
1466		req_per_swath_ub_l);  // per req
1467
1468	dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_l = %3.2f\n",
1469		__func__,
1470		refcyc_per_req_delivery_pre_l);
1471	dml_print("DML_DLG: %s: refcyc_per_req_delivery_l     = %3.2f\n",
1472		__func__,
1473		refcyc_per_req_delivery_l);
1474
1475	ASSERT(refcyc_per_req_delivery_pre_l < dml_pow(2, 13));
1476	ASSERT(refcyc_per_req_delivery_l < dml_pow(2, 13));
1477
1478	if (dual_plane) {
1479		refcyc_per_req_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
1480			refclk_freq_in_mhz,
1481			pclk_freq_in_mhz,
1482			dst->odm_combine,
1483			full_recout_width,
1484			dst->hactive,
1485			vratio_pre_c,
1486			hscale_pixel_rate_c,
1487			scaler_rec_in_width_c,
1488			req_per_swath_ub_c);  // per req
1489		refcyc_per_req_delivery_c = get_refcyc_per_delivery(mode_lib,
1490			refclk_freq_in_mhz,
1491			pclk_freq_in_mhz,
1492			dst->odm_combine,
1493			full_recout_width,
1494			dst->hactive,
1495			vratio_c,
1496			hscale_pixel_rate_c,
1497			scaler_rec_in_width_c,
1498			req_per_swath_ub_c);  // per req
1499
1500		dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_c = %3.2f\n",
1501			__func__,
1502			refcyc_per_req_delivery_pre_c);
1503		dml_print("DML_DLG: %s: refcyc_per_req_delivery_c     = %3.2f\n",
1504			__func__,
1505			refcyc_per_req_delivery_c);
1506
1507		ASSERT(refcyc_per_req_delivery_pre_c < dml_pow(2, 13));
1508		ASSERT(refcyc_per_req_delivery_c < dml_pow(2, 13));
1509	}
1510
1511	// TTU - Cursor
1512	refcyc_per_req_delivery_pre_cur0 = 0.0;
1513	refcyc_per_req_delivery_cur0 = 0.0;
1514	if (src->num_cursors > 0) {
1515		calculate_ttu_cursor(mode_lib,
1516			&refcyc_per_req_delivery_pre_cur0,
1517			&refcyc_per_req_delivery_cur0,
1518			refclk_freq_in_mhz,
1519			ref_freq_to_pix_freq,
1520			hscale_pixel_rate_l,
1521			scl->hscl_ratio,
1522			vratio_pre_l,
1523			vratio_l,
1524			src->cur0_src_width,
1525			(enum cursor_bpp)(src->cur0_bpp));
1526	}
1527
1528	refcyc_per_req_delivery_pre_cur1 = 0.0;
1529	refcyc_per_req_delivery_cur1 = 0.0;
1530	if (src->num_cursors > 1) {
1531		calculate_ttu_cursor(mode_lib,
1532			&refcyc_per_req_delivery_pre_cur1,
1533			&refcyc_per_req_delivery_cur1,
1534			refclk_freq_in_mhz,
1535			ref_freq_to_pix_freq,
1536			hscale_pixel_rate_l,
1537			scl->hscl_ratio,
1538			vratio_pre_l,
1539			vratio_l,
1540			src->cur1_src_width,
1541			(enum cursor_bpp)(src->cur1_bpp));
1542	}
1543
1544	// TTU - Misc
1545	// all hard-coded
1546
1547	// Assignment to register structures
1548	disp_dlg_regs->dst_y_after_scaler = dst_y_after_scaler; // in terms of line
1549	ASSERT(disp_dlg_regs->dst_y_after_scaler < (unsigned int)8);
1550	disp_dlg_regs->refcyc_x_after_scaler = dst_x_after_scaler * ref_freq_to_pix_freq; // in terms of refclk
1551	ASSERT(disp_dlg_regs->refcyc_x_after_scaler < (unsigned int)dml_pow(2, 13));
1552	disp_dlg_regs->dst_y_prefetch = (unsigned int)(dst_y_prefetch * dml_pow(2, 2));
1553	disp_dlg_regs->dst_y_per_vm_vblank = (unsigned int)(dst_y_per_vm_vblank * dml_pow(2, 2));
1554	disp_dlg_regs->dst_y_per_row_vblank = (unsigned int)(dst_y_per_row_vblank * dml_pow(2, 2));
1555	disp_dlg_regs->dst_y_per_vm_flip = (unsigned int)(dst_y_per_vm_flip * dml_pow(2, 2));
1556	disp_dlg_regs->dst_y_per_row_flip = (unsigned int)(dst_y_per_row_flip * dml_pow(2, 2));
1557
1558	disp_dlg_regs->vratio_prefetch = (unsigned int)(vratio_pre_l * dml_pow(2, 19));
1559	disp_dlg_regs->vratio_prefetch_c = (unsigned int)(vratio_pre_c * dml_pow(2, 19));
1560
1561	dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_vm_vblank  = 0x%x\n", __func__, disp_dlg_regs->dst_y_per_vm_vblank);
1562	dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_row_vblank = 0x%x\n", __func__, disp_dlg_regs->dst_y_per_row_vblank);
1563	dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_vm_flip    = 0x%x\n", __func__, disp_dlg_regs->dst_y_per_vm_flip);
1564	dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_row_flip   = 0x%x\n", __func__, disp_dlg_regs->dst_y_per_row_flip);
1565
1566	disp_dlg_regs->refcyc_per_pte_group_vblank_l =
1567		(unsigned int)(dst_y_per_row_vblank * (double)htotal
1568			* ref_freq_to_pix_freq / (double)dpte_groups_per_row_ub_l);
1569	ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int)dml_pow(2, 13));
1570
1571	if (dual_plane) {
1572		disp_dlg_regs->refcyc_per_pte_group_vblank_c = (unsigned int)(dst_y_per_row_vblank
1573			* (double)htotal * ref_freq_to_pix_freq
1574			/ (double)dpte_groups_per_row_ub_c);
1575		ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_c
1576			< (unsigned int)dml_pow(2, 13));
1577	}
1578
1579	disp_dlg_regs->refcyc_per_meta_chunk_vblank_l =
1580		(unsigned int)(dst_y_per_row_vblank * (double)htotal
1581			* ref_freq_to_pix_freq / (double)meta_chunks_per_row_ub_l);
1582	ASSERT(disp_dlg_regs->refcyc_per_meta_chunk_vblank_l < (unsigned int)dml_pow(2, 13));
1583
1584	disp_dlg_regs->refcyc_per_meta_chunk_vblank_c =
1585		disp_dlg_regs->refcyc_per_meta_chunk_vblank_l; // dcc for 4:2:0 is not supported in dcn1.0.  assigned to be the same as _l for now
1586
1587	disp_dlg_regs->refcyc_per_pte_group_flip_l = (unsigned int)(dst_y_per_row_flip * htotal
1588		* ref_freq_to_pix_freq) / dpte_groups_per_row_ub_l;
1589	disp_dlg_regs->refcyc_per_meta_chunk_flip_l = (unsigned int)(dst_y_per_row_flip * htotal
1590		* ref_freq_to_pix_freq) / meta_chunks_per_row_ub_l;
1591
1592	if (dual_plane) {
1593		disp_dlg_regs->refcyc_per_pte_group_flip_c = (unsigned int)(dst_y_per_row_flip
1594			* htotal * ref_freq_to_pix_freq) / dpte_groups_per_row_ub_c;
1595		disp_dlg_regs->refcyc_per_meta_chunk_flip_c = (unsigned int)(dst_y_per_row_flip
1596			* htotal * ref_freq_to_pix_freq) / meta_chunks_per_row_ub_c;
1597	}
1598
1599	disp_dlg_regs->refcyc_per_vm_group_vblank   = get_refcyc_per_vm_group_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz;
1600	disp_dlg_regs->refcyc_per_vm_group_flip	 = get_refcyc_per_vm_group_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz;
1601	disp_dlg_regs->refcyc_per_vm_req_vblank	 = get_refcyc_per_vm_req_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz * dml_pow(2, 10);
1602	disp_dlg_regs->refcyc_per_vm_req_flip	   = get_refcyc_per_vm_req_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz * dml_pow(2, 10);
1603
1604	// Clamp to max for now
1605	if (disp_dlg_regs->refcyc_per_vm_group_vblank >= (unsigned int)dml_pow(2, 23))
1606		disp_dlg_regs->refcyc_per_vm_group_vblank = dml_pow(2, 23) - 1;
1607
1608	if (disp_dlg_regs->refcyc_per_vm_group_flip >= (unsigned int)dml_pow(2, 23))
1609		disp_dlg_regs->refcyc_per_vm_group_flip = dml_pow(2, 23) - 1;
1610
1611	if (disp_dlg_regs->refcyc_per_vm_req_vblank >= (unsigned int)dml_pow(2, 23))
1612		disp_dlg_regs->refcyc_per_vm_req_vblank = dml_pow(2, 23) - 1;
1613
1614	if (disp_dlg_regs->refcyc_per_vm_req_flip >= (unsigned int)dml_pow(2, 23))
1615		disp_dlg_regs->refcyc_per_vm_req_flip = dml_pow(2, 23) - 1;
1616
1617	disp_dlg_regs->dst_y_per_pte_row_nom_l = (unsigned int)((double)dpte_row_height_l
1618		/ (double)vratio_l * dml_pow(2, 2));
1619	ASSERT(disp_dlg_regs->dst_y_per_pte_row_nom_l < (unsigned int)dml_pow(2, 17));
1620
1621	if (dual_plane) {
1622		disp_dlg_regs->dst_y_per_pte_row_nom_c = (unsigned int)((double)dpte_row_height_c
1623			/ (double)vratio_c * dml_pow(2, 2));
1624		if (disp_dlg_regs->dst_y_per_pte_row_nom_c >= (unsigned int)dml_pow(2, 17)) {
1625			dml_print("DML_DLG: %s: Warning dst_y_per_pte_row_nom_c %u larger than supported by register format U15.2 %u\n",
1626				__func__,
1627				disp_dlg_regs->dst_y_per_pte_row_nom_c,
1628				(unsigned int)dml_pow(2, 17) - 1);
1629		}
1630	}
1631
1632	disp_dlg_regs->dst_y_per_meta_row_nom_l = (unsigned int)((double)meta_row_height_l
1633		/ (double)vratio_l * dml_pow(2, 2));
1634	ASSERT(disp_dlg_regs->dst_y_per_meta_row_nom_l < (unsigned int)dml_pow(2, 17));
1635
1636	disp_dlg_regs->dst_y_per_meta_row_nom_c = disp_dlg_regs->dst_y_per_meta_row_nom_l; // TODO: dcc for 4:2:0 is not supported in dcn1.0.  assigned to be the same as _l for now
1637
1638	dml_print("DML: Trow: %fus\n", line_time_in_us * (double)dpte_row_height_l / (double)vratio_l);
1639
1640	disp_dlg_regs->refcyc_per_pte_group_nom_l = (unsigned int)((double)dpte_row_height_l
1641		/ (double)vratio_l * (double)htotal * ref_freq_to_pix_freq
1642		/ (double)dpte_groups_per_row_ub_l);
1643	if (disp_dlg_regs->refcyc_per_pte_group_nom_l >= (unsigned int)dml_pow(2, 23))
1644		disp_dlg_regs->refcyc_per_pte_group_nom_l = dml_pow(2, 23) - 1;
1645	disp_dlg_regs->refcyc_per_meta_chunk_nom_l = (unsigned int)((double)meta_row_height_l
1646		/ (double)vratio_l * (double)htotal * ref_freq_to_pix_freq
1647		/ (double)meta_chunks_per_row_ub_l);
1648	if (disp_dlg_regs->refcyc_per_meta_chunk_nom_l >= (unsigned int)dml_pow(2, 23))
1649		disp_dlg_regs->refcyc_per_meta_chunk_nom_l = dml_pow(2, 23) - 1;
1650
1651	if (dual_plane) {
1652		disp_dlg_regs->refcyc_per_pte_group_nom_c =
1653			(unsigned int)((double)dpte_row_height_c / (double)vratio_c
1654				* (double)htotal * ref_freq_to_pix_freq
1655				/ (double)dpte_groups_per_row_ub_c);
1656		if (disp_dlg_regs->refcyc_per_pte_group_nom_c >= (unsigned int)dml_pow(2, 23))
1657			disp_dlg_regs->refcyc_per_pte_group_nom_c = dml_pow(2, 23) - 1;
1658
1659		// TODO: Is this the right calculation? Does htotal need to be halved?
1660		disp_dlg_regs->refcyc_per_meta_chunk_nom_c =
1661			(unsigned int)((double)meta_row_height_c / (double)vratio_c
1662				* (double)htotal * ref_freq_to_pix_freq
1663				/ (double)meta_chunks_per_row_ub_c);
1664		if (disp_dlg_regs->refcyc_per_meta_chunk_nom_c >= (unsigned int)dml_pow(2, 23))
1665			disp_dlg_regs->refcyc_per_meta_chunk_nom_c = dml_pow(2, 23) - 1;
1666	}
1667
1668	disp_dlg_regs->refcyc_per_line_delivery_pre_l = (unsigned int)dml_floor(refcyc_per_line_delivery_pre_l,
1669		1);
1670	disp_dlg_regs->refcyc_per_line_delivery_l = (unsigned int)dml_floor(refcyc_per_line_delivery_l,
1671		1);
1672	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_l < (unsigned int)dml_pow(2, 13));
1673	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_l < (unsigned int)dml_pow(2, 13));
1674
1675	disp_dlg_regs->refcyc_per_line_delivery_pre_c = (unsigned int)dml_floor(refcyc_per_line_delivery_pre_c,
1676		1);
1677	disp_dlg_regs->refcyc_per_line_delivery_c = (unsigned int)dml_floor(refcyc_per_line_delivery_c,
1678		1);
1679	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_c < (unsigned int)dml_pow(2, 13));
1680	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_c < (unsigned int)dml_pow(2, 13));
1681
1682	disp_dlg_regs->chunk_hdl_adjust_cur0 = 3;
1683	disp_dlg_regs->dst_y_offset_cur0 = 0;
1684	disp_dlg_regs->chunk_hdl_adjust_cur1 = 3;
1685	disp_dlg_regs->dst_y_offset_cur1 = 0;
1686
1687	disp_dlg_regs->dst_y_delta_drq_limit = 0x7fff; // off
1688
1689	disp_ttu_regs->refcyc_per_req_delivery_pre_l = (unsigned int)(refcyc_per_req_delivery_pre_l
1690		* dml_pow(2, 10));
1691	disp_ttu_regs->refcyc_per_req_delivery_l = (unsigned int)(refcyc_per_req_delivery_l
1692		* dml_pow(2, 10));
1693	disp_ttu_regs->refcyc_per_req_delivery_pre_c = (unsigned int)(refcyc_per_req_delivery_pre_c
1694		* dml_pow(2, 10));
1695	disp_ttu_regs->refcyc_per_req_delivery_c = (unsigned int)(refcyc_per_req_delivery_c
1696		* dml_pow(2, 10));
1697	disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 =
1698		(unsigned int)(refcyc_per_req_delivery_pre_cur0 * dml_pow(2, 10));
1699	disp_ttu_regs->refcyc_per_req_delivery_cur0 = (unsigned int)(refcyc_per_req_delivery_cur0
1700		* dml_pow(2, 10));
1701	disp_ttu_regs->refcyc_per_req_delivery_pre_cur1 =
1702		(unsigned int)(refcyc_per_req_delivery_pre_cur1 * dml_pow(2, 10));
1703	disp_ttu_regs->refcyc_per_req_delivery_cur1 = (unsigned int)(refcyc_per_req_delivery_cur1
1704		* dml_pow(2, 10));
1705	disp_ttu_regs->qos_level_low_wm = 0;
1706	ASSERT(disp_ttu_regs->qos_level_low_wm < dml_pow(2, 14));
1707	disp_ttu_regs->qos_level_high_wm = (unsigned int)(4.0 * (double)htotal
1708		* ref_freq_to_pix_freq);
1709	ASSERT(disp_ttu_regs->qos_level_high_wm < dml_pow(2, 14));
1710
1711	disp_ttu_regs->qos_level_flip = 14;
1712	disp_ttu_regs->qos_level_fixed_l = 8;
1713	disp_ttu_regs->qos_level_fixed_c = 8;
1714	disp_ttu_regs->qos_level_fixed_cur0 = 8;
1715	disp_ttu_regs->qos_ramp_disable_l = 0;
1716	disp_ttu_regs->qos_ramp_disable_c = 0;
1717	disp_ttu_regs->qos_ramp_disable_cur0 = 0;
1718
1719	disp_ttu_regs->min_ttu_vblank = min_ttu_vblank * refclk_freq_in_mhz;
1720	ASSERT(disp_ttu_regs->min_ttu_vblank < dml_pow(2, 24));
1721
1722	print__ttu_regs_st(mode_lib, disp_ttu_regs);
1723	print__dlg_regs_st(mode_lib, disp_dlg_regs);
1724}
1725
1726void dml30_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
1727	display_dlg_regs_st *dlg_regs,
1728	display_ttu_regs_st *ttu_regs,
1729	const display_e2e_pipe_params_st *e2e_pipe_param,
1730	const unsigned int num_pipes,
1731	const unsigned int pipe_idx,
1732	const bool cstate_en,
1733	const bool pstate_en,
1734	const bool vm_en,
1735	const bool ignore_viewport_pos,
1736	const bool immediate_flip_support)
1737{
1738	display_rq_params_st rq_param = { 0 };
1739	display_dlg_sys_params_st dlg_sys_param = { 0 };
1740
1741	// Get watermark and Tex.
1742	dlg_sys_param.t_urg_wm_us = get_wm_urgent(mode_lib, e2e_pipe_param, num_pipes);
1743	dlg_sys_param.deepsleep_dcfclk_mhz = get_clk_dcf_deepsleep(mode_lib,
1744		e2e_pipe_param,
1745		num_pipes);
1746	dlg_sys_param.t_extra_us = get_urgent_extra_latency(mode_lib, e2e_pipe_param, num_pipes);
1747	dlg_sys_param.mem_trip_us = get_wm_memory_trip(mode_lib, e2e_pipe_param, num_pipes);
1748	dlg_sys_param.t_mclk_wm_us = get_wm_dram_clock_change(mode_lib, e2e_pipe_param, num_pipes);
1749	dlg_sys_param.t_sr_wm_us = get_wm_stutter_enter_exit(mode_lib, e2e_pipe_param, num_pipes);
1750	dlg_sys_param.total_flip_bw = get_total_immediate_flip_bw(mode_lib,
1751		e2e_pipe_param,
1752		num_pipes);
1753	dlg_sys_param.total_flip_bytes = get_total_immediate_flip_bytes(mode_lib,
1754		e2e_pipe_param,
1755		num_pipes);
1756
1757	print__dlg_sys_params_st(mode_lib, &dlg_sys_param);
1758
1759	// system parameter calculation done
1760
1761	dml_print("DML_DLG: Calculation for pipe[%d] start\n\n", pipe_idx);
1762	dml_rq_dlg_get_rq_params(mode_lib, &rq_param, &e2e_pipe_param[pipe_idx].pipe);
1763	dml_rq_dlg_get_dlg_params(mode_lib,
1764		e2e_pipe_param,
1765		num_pipes,
1766		pipe_idx,
1767		dlg_regs,
1768		ttu_regs,
1769		rq_param.dlg,
1770		dlg_sys_param,
1771		cstate_en,
1772		pstate_en,
1773		vm_en,
1774		ignore_viewport_pos,
1775		immediate_flip_support);
1776	dml_print("DML_DLG: Calculation for pipe[%d] end\n", pipe_idx);
1777}
1778
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