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display_rq_dlg_calc_21.c

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linux-6.19.14/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c C
   1/*
   2 * Copyright 2017 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
  27#include "../display_mode_lib.h"
  28#include "../display_mode_vba.h"
  29#include "../dml_inline_defs.h"
  30#include "display_rq_dlg_calc_21.h"
  31
  32/*
  33 * NOTE:
  34 *   This file is gcc-parseable HW gospel, coming straight from HW engineers.
  35 *
  36 * It doesn't adhere to Linux kernel style and sometimes will do things in odd
  37 * ways. Unless there is something clearly wrong with it the code should
  38 * remain as-is as it provides us with a guarantee from HW that it is correct.
  39 */
  40
  41static void calculate_ttu_cursor(
  42		struct display_mode_lib *mode_lib,
  43		double *refcyc_per_req_delivery_pre_cur,
  44		double *refcyc_per_req_delivery_cur,
  45		double refclk_freq_in_mhz,
  46		double ref_freq_to_pix_freq,
  47		double hscale_pixel_rate_l,
  48		double hscl_ratio,
  49		double vratio_pre_l,
  50		double vratio_l,
  51		unsigned int cur_width,
  52		enum cursor_bpp cur_bpp);
  53
  54static unsigned int get_bytes_per_element(enum source_format_class source_format, bool is_chroma)
  55{
  56	unsigned int ret_val = 1;
  57
  58	if (source_format == dm_444_16) {
  59		if (!is_chroma)
  60			ret_val = 2;
  61	} else if (source_format == dm_444_32) {
  62		if (!is_chroma)
  63			ret_val = 4;
  64	} else if (source_format == dm_444_64) {
  65		if (!is_chroma)
  66			ret_val = 8;
  67	} else if (source_format == dm_420_8) {
  68		if (is_chroma)
  69			ret_val = 2;
  70		else
  71			ret_val = 1;
  72	} else if (source_format == dm_420_10) {
  73		if (is_chroma)
  74			ret_val = 4;
  75		else
  76			ret_val = 2;
  77	} else if (source_format == dm_444_8) {
  78		ret_val = 1;
  79	}
  80	return ret_val;
  81}
  82
  83static bool is_dual_plane(enum source_format_class source_format)
  84{
  85	bool ret_val = false;
  86
  87	if ((source_format == dm_420_8) || (source_format == dm_420_10))
  88		ret_val = true;
  89
  90	return ret_val;
  91}
  92
  93static double get_refcyc_per_delivery(
  94		struct display_mode_lib *mode_lib,
  95		double refclk_freq_in_mhz,
  96		double pclk_freq_in_mhz,
  97		bool odm_combine,
  98		unsigned int recout_width,
  99		unsigned int hactive,
 100		double vratio,
 101		double hscale_pixel_rate,
 102		unsigned int delivery_width,
 103		unsigned int req_per_swath_ub)
 104{
 105	double refcyc_per_delivery = 0.0;
 106
 107	if (vratio <= 1.0) {
 108		if (odm_combine)
 109			refcyc_per_delivery = (double) refclk_freq_in_mhz
 110					* dml_min((double) recout_width, (double) hactive / 2.0)
 111					/ pclk_freq_in_mhz / (double) req_per_swath_ub;
 112		else
 113			refcyc_per_delivery = (double) refclk_freq_in_mhz * (double) recout_width
 114					/ pclk_freq_in_mhz / (double) req_per_swath_ub;
 115	} else {
 116		refcyc_per_delivery = (double) refclk_freq_in_mhz * (double) delivery_width
 117				/ (double) hscale_pixel_rate / (double) req_per_swath_ub;
 118	}
 119
 120	dml_print("DML_DLG: %s: refclk_freq_in_mhz = %3.2f\n", __func__, refclk_freq_in_mhz);
 121	dml_print("DML_DLG: %s: pclk_freq_in_mhz   = %3.2f\n", __func__, pclk_freq_in_mhz);
 122	dml_print("DML_DLG: %s: recout_width       = %d\n", __func__, recout_width);
 123	dml_print("DML_DLG: %s: vratio             = %3.2f\n", __func__, vratio);
 124	dml_print("DML_DLG: %s: req_per_swath_ub   = %d\n", __func__, req_per_swath_ub);
 125	dml_print("DML_DLG: %s: refcyc_per_delivery= %3.2f\n", __func__, refcyc_per_delivery);
 126
 127	return refcyc_per_delivery;
 128
 129}
 130
 131static unsigned int get_blk_size_bytes(const enum source_macro_tile_size tile_size)
 132{
 133	if (tile_size == dm_256k_tile)
 134		return (256 * 1024);
 135	else if (tile_size == dm_64k_tile)
 136		return (64 * 1024);
 137	else
 138		return (4 * 1024);
 139}
 140
 141static void extract_rq_sizing_regs(
 142		struct display_mode_lib *mode_lib,
 143		display_data_rq_regs_st *rq_regs,
 144		const display_data_rq_sizing_params_st *rq_sizing)
 145{
 146	dml_print("DML_DLG: %s: rq_sizing param\n", __func__);
 147	print__data_rq_sizing_params_st(mode_lib, rq_sizing);
 148
 149	rq_regs->chunk_size = dml_log2(rq_sizing->chunk_bytes) - 10;
 150
 151	if (rq_sizing->min_chunk_bytes == 0)
 152		rq_regs->min_chunk_size = 0;
 153	else
 154		rq_regs->min_chunk_size = dml_log2(rq_sizing->min_chunk_bytes) - 8 + 1;
 155
 156	rq_regs->meta_chunk_size = dml_log2(rq_sizing->meta_chunk_bytes) - 10;
 157	if (rq_sizing->min_meta_chunk_bytes == 0)
 158		rq_regs->min_meta_chunk_size = 0;
 159	else
 160		rq_regs->min_meta_chunk_size = dml_log2(rq_sizing->min_meta_chunk_bytes) - 6 + 1;
 161
 162	rq_regs->dpte_group_size = dml_log2(rq_sizing->dpte_group_bytes) - 6;
 163	rq_regs->mpte_group_size = dml_log2(rq_sizing->mpte_group_bytes) - 6;
 164}
 165
 166static void extract_rq_regs(
 167		struct display_mode_lib *mode_lib,
 168		display_rq_regs_st *rq_regs,
 169		const display_rq_params_st *rq_param)
 170{
 171	unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
 172	unsigned int detile_buf_plane1_addr = 0;
 173
 174	extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_l), &rq_param->sizing.rq_l);
 175
 176	rq_regs->rq_regs_l.pte_row_height_linear = dml_floor(
 177			dml_log2(rq_param->dlg.rq_l.dpte_row_height),
 178			1) - 3;
 179
 180	if (rq_param->yuv420) {
 181		extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_c), &rq_param->sizing.rq_c);
 182		rq_regs->rq_regs_c.pte_row_height_linear = dml_floor(
 183				dml_log2(rq_param->dlg.rq_c.dpte_row_height),
 184				1) - 3;
 185	}
 186
 187	rq_regs->rq_regs_l.swath_height = dml_log2(rq_param->dlg.rq_l.swath_height);
 188	rq_regs->rq_regs_c.swath_height = dml_log2(rq_param->dlg.rq_c.swath_height);
 189
 190	// FIXME: take the max between luma, chroma chunk size?
 191	// okay for now, as we are setting chunk_bytes to 8kb anyways
 192	if (rq_param->sizing.rq_l.chunk_bytes >= 32 * 1024) { //32kb
 193		rq_regs->drq_expansion_mode = 0;
 194	} else {
 195		rq_regs->drq_expansion_mode = 2;
 196	}
 197	rq_regs->prq_expansion_mode = 1;
 198	rq_regs->mrq_expansion_mode = 1;
 199	rq_regs->crq_expansion_mode = 1;
 200
 201	if (rq_param->yuv420) {
 202		if ((double) rq_param->misc.rq_l.stored_swath_bytes
 203				/ (double) rq_param->misc.rq_c.stored_swath_bytes <= 1.5) {
 204			detile_buf_plane1_addr = (detile_buf_size_in_bytes / 2.0 / 64.0); // half to chroma
 205		} else {
 206			detile_buf_plane1_addr = dml_round_to_multiple(
 207					(unsigned int) ((2.0 * detile_buf_size_in_bytes) / 3.0),
 208					256,
 209					0) / 64.0; // 2/3 to chroma
 210		}
 211	}
 212	rq_regs->plane1_base_address = detile_buf_plane1_addr;
 213}
 214
 215static void handle_det_buf_split(
 216		struct display_mode_lib *mode_lib,
 217		display_rq_params_st *rq_param,
 218		const display_pipe_source_params_st *pipe_src_param)
 219{
 220	unsigned int total_swath_bytes = 0;
 221	unsigned int swath_bytes_l = 0;
 222	unsigned int swath_bytes_c = 0;
 223	unsigned int full_swath_bytes_packed_l = 0;
 224	unsigned int full_swath_bytes_packed_c = 0;
 225	bool req128_l = false;
 226	bool req128_c = false;
 227	bool surf_linear = (pipe_src_param->sw_mode == dm_sw_linear);
 228	bool surf_vert = (pipe_src_param->source_scan == dm_vert);
 229	unsigned int log2_swath_height_l = 0;
 230	unsigned int log2_swath_height_c = 0;
 231	unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
 232
 233	full_swath_bytes_packed_l = rq_param->misc.rq_l.full_swath_bytes;
 234	full_swath_bytes_packed_c = rq_param->misc.rq_c.full_swath_bytes;
 235
 236	if (rq_param->yuv420_10bpc) {
 237		full_swath_bytes_packed_l = dml_round_to_multiple(
 238				rq_param->misc.rq_l.full_swath_bytes * 2 / 3,
 239				256,
 240				1) + 256;
 241		full_swath_bytes_packed_c = dml_round_to_multiple(
 242				rq_param->misc.rq_c.full_swath_bytes * 2 / 3,
 243				256,
 244				1) + 256;
 245	}
 246
 247	if (rq_param->yuv420) {
 248		total_swath_bytes = 2 * full_swath_bytes_packed_l + 2 * full_swath_bytes_packed_c;
 249
 250		if (total_swath_bytes <= detile_buf_size_in_bytes) { //full 256b request
 251			req128_l = false;
 252			req128_c = false;
 253			swath_bytes_l = full_swath_bytes_packed_l;
 254			swath_bytes_c = full_swath_bytes_packed_c;
 255		} else { //128b request (for luma only for yuv420 8bpc)
 256			req128_l = true;
 257			req128_c = false;
 258			swath_bytes_l = full_swath_bytes_packed_l / 2;
 259			swath_bytes_c = full_swath_bytes_packed_c;
 260		}
 261		// Note: assumption, the config that pass in will fit into
 262		//       the detiled buffer.
 263	} else {
 264		total_swath_bytes = 2 * full_swath_bytes_packed_l;
 265
 266		if (total_swath_bytes <= detile_buf_size_in_bytes)
 267			req128_l = false;
 268		else
 269			req128_l = true;
 270
 271		swath_bytes_l = total_swath_bytes;
 272		swath_bytes_c = 0;
 273	}
 274	rq_param->misc.rq_l.stored_swath_bytes = swath_bytes_l;
 275	rq_param->misc.rq_c.stored_swath_bytes = swath_bytes_c;
 276
 277	if (surf_linear) {
 278		log2_swath_height_l = 0;
 279		log2_swath_height_c = 0;
 280	} else {
 281		unsigned int swath_height_l;
 282		unsigned int swath_height_c;
 283
 284		if (!surf_vert) {
 285			swath_height_l = rq_param->misc.rq_l.blk256_height;
 286			swath_height_c = rq_param->misc.rq_c.blk256_height;
 287		} else {
 288			swath_height_l = rq_param->misc.rq_l.blk256_width;
 289			swath_height_c = rq_param->misc.rq_c.blk256_width;
 290		}
 291
 292		if (swath_height_l > 0)
 293			log2_swath_height_l = dml_log2(swath_height_l);
 294
 295		if (req128_l && log2_swath_height_l > 0)
 296			log2_swath_height_l -= 1;
 297
 298		if (swath_height_c > 0)
 299			log2_swath_height_c = dml_log2(swath_height_c);
 300	}
 301
 302	rq_param->dlg.rq_l.swath_height = 1 << log2_swath_height_l;
 303	rq_param->dlg.rq_c.swath_height = 1 << log2_swath_height_c;
 304
 305	dml_print("DML_DLG: %s: req128_l = %0d\n", __func__, req128_l);
 306	dml_print("DML_DLG: %s: req128_c = %0d\n", __func__, req128_c);
 307	dml_print(
 308			"DML_DLG: %s: full_swath_bytes_packed_l = %0d\n",
 309			__func__,
 310			full_swath_bytes_packed_l);
 311	dml_print(
 312			"DML_DLG: %s: full_swath_bytes_packed_c = %0d\n",
 313			__func__,
 314			full_swath_bytes_packed_c);
 315}
 316
 317static void get_meta_and_pte_attr(
 318		struct display_mode_lib *mode_lib,
 319		display_data_rq_dlg_params_st *rq_dlg_param,
 320		display_data_rq_misc_params_st *rq_misc_param,
 321		display_data_rq_sizing_params_st *rq_sizing_param,
 322		unsigned int vp_width,
 323		unsigned int vp_height,
 324		unsigned int data_pitch,
 325		unsigned int meta_pitch,
 326		unsigned int source_format,
 327		unsigned int tiling,
 328		unsigned int macro_tile_size,
 329		unsigned int source_scan,
 330		unsigned int hostvm_enable,
 331		unsigned int is_chroma)
 332{
 333	bool surf_linear = (tiling == dm_sw_linear);
 334	bool surf_vert = (source_scan == dm_vert);
 335
 336	unsigned int bytes_per_element;
 337	unsigned int bytes_per_element_y = get_bytes_per_element(
 338			(enum source_format_class) (source_format),
 339			false);
 340	unsigned int bytes_per_element_c = get_bytes_per_element(
 341			(enum source_format_class) (source_format),
 342			true);
 343
 344	unsigned int blk256_width = 0;
 345	unsigned int blk256_height = 0;
 346
 347	unsigned int blk256_width_y = 0;
 348	unsigned int blk256_height_y = 0;
 349	unsigned int blk256_width_c = 0;
 350	unsigned int blk256_height_c = 0;
 351	unsigned int log2_bytes_per_element;
 352	unsigned int log2_blk256_width;
 353	unsigned int log2_blk256_height;
 354	unsigned int blk_bytes;
 355	unsigned int log2_blk_bytes;
 356	unsigned int log2_blk_height;
 357	unsigned int log2_blk_width;
 358	unsigned int log2_meta_req_bytes;
 359	unsigned int log2_meta_req_height;
 360	unsigned int log2_meta_req_width;
 361	unsigned int meta_req_width;
 362	unsigned int meta_req_height;
 363	unsigned int log2_meta_row_height;
 364	unsigned int meta_row_width_ub;
 365	unsigned int log2_meta_chunk_bytes;
 366	unsigned int log2_meta_chunk_height;
 367
 368	//full sized meta chunk width in unit of data elements
 369	unsigned int log2_meta_chunk_width;
 370	unsigned int log2_min_meta_chunk_bytes;
 371	unsigned int min_meta_chunk_width;
 372	unsigned int meta_chunk_width;
 373	unsigned int meta_chunk_per_row_int;
 374	unsigned int meta_row_remainder;
 375	unsigned int meta_chunk_threshold;
 376	unsigned int meta_blk_bytes;
 377	unsigned int meta_blk_height;
 378	unsigned int meta_blk_width;
 379	unsigned int meta_surface_bytes;
 380	unsigned int vmpg_bytes;
 381	unsigned int meta_pte_req_per_frame_ub;
 382	unsigned int meta_pte_bytes_per_frame_ub;
 383	const unsigned int log2_vmpg_bytes = dml_log2(mode_lib->soc.vmm_page_size_bytes);
 384	const unsigned int dpte_buf_in_pte_reqs =
 385		mode_lib->ip.dpte_buffer_size_in_pte_reqs_luma + mode_lib->ip.dpte_buffer_size_in_pte_reqs_chroma;
 386	const unsigned int pde_proc_buffer_size_64k_reqs =
 387			mode_lib->ip.pde_proc_buffer_size_64k_reqs;
 388
 389	unsigned int log2_vmpg_height = 0;
 390	unsigned int log2_vmpg_width = 0;
 391	unsigned int log2_dpte_req_height_ptes = 0;
 392	unsigned int log2_dpte_req_height = 0;
 393	unsigned int log2_dpte_req_width = 0;
 394	unsigned int log2_dpte_row_height_linear = 0;
 395	unsigned int log2_dpte_row_height = 0;
 396	unsigned int log2_dpte_group_width = 0;
 397	unsigned int dpte_row_width_ub = 0;
 398	unsigned int dpte_req_height = 0;
 399	unsigned int dpte_req_width = 0;
 400	unsigned int dpte_group_width = 0;
 401	unsigned int log2_dpte_group_bytes = 0;
 402	unsigned int log2_dpte_group_length = 0;
 403	unsigned int pde_buf_entries;
 404	bool yuv420 = (source_format == dm_420_8 || source_format == dm_420_10);
 405
 406	Calculate256BBlockSizes(
 407			(enum source_format_class) (source_format),
 408			(enum dm_swizzle_mode) (tiling),
 409			bytes_per_element_y,
 410			bytes_per_element_c,
 411			&blk256_height_y,
 412			&blk256_height_c,
 413			&blk256_width_y,
 414			&blk256_width_c);
 415
 416	if (!is_chroma) {
 417		blk256_width = blk256_width_y;
 418		blk256_height = blk256_height_y;
 419		bytes_per_element = bytes_per_element_y;
 420	} else {
 421		blk256_width = blk256_width_c;
 422		blk256_height = blk256_height_c;
 423		bytes_per_element = bytes_per_element_c;
 424	}
 425
 426	log2_bytes_per_element = dml_log2(bytes_per_element);
 427
 428	dml_print("DML_DLG: %s: surf_linear        = %d\n", __func__, surf_linear);
 429	dml_print("DML_DLG: %s: surf_vert          = %d\n", __func__, surf_vert);
 430	dml_print("DML_DLG: %s: blk256_width       = %d\n", __func__, blk256_width);
 431	dml_print("DML_DLG: %s: blk256_height      = %d\n", __func__, blk256_height);
 432
 433	log2_blk256_width = dml_log2((double) blk256_width);
 434	log2_blk256_height = dml_log2((double) blk256_height);
 435	blk_bytes = surf_linear ?
 436			256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
 437	log2_blk_bytes = dml_log2((double) blk_bytes);
 438
 439	// remember log rule
 440	// "+" in log is multiply
 441	// "-" in log is divide
 442	// "/2" is like square root
 443	// blk is vertical biased
 444	if (tiling != dm_sw_linear)
 445		log2_blk_height = log2_blk256_height
 446				+ dml_ceil((double) (log2_blk_bytes - 8) / 2.0, 1);
 447	else
 448		log2_blk_height = 0;  // blk height of 1
 449
 450	log2_blk_width = log2_blk_bytes - log2_bytes_per_element - log2_blk_height;
 451
 452	if (!surf_vert) {
 453		rq_dlg_param->swath_width_ub = dml_round_to_multiple(vp_width - 1, blk256_width, 1)
 454				+ blk256_width;
 455		rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_width;
 456	} else {
 457		rq_dlg_param->swath_width_ub = dml_round_to_multiple(
 458				vp_height - 1,
 459				blk256_height,
 460				1) + blk256_height;
 461		rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_height;
 462	}
 463
 464	if (!surf_vert)
 465		rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_height
 466				* bytes_per_element;
 467	else
 468		rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_width
 469				* bytes_per_element;
 470
 471	rq_misc_param->blk256_height = blk256_height;
 472	rq_misc_param->blk256_width = blk256_width;
 473
 474	// -------
 475	// meta
 476	// -------
 477	log2_meta_req_bytes = 6; // meta request is 64b and is 8x8byte meta element
 478
 479	// each 64b meta request for dcn is 8x8 meta elements and
 480	// a meta element covers one 256b block of the data surface.
 481	log2_meta_req_height = log2_blk256_height + 3; // meta req is 8x8 byte, each byte represent 1 blk256
 482	log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element
 483			- log2_meta_req_height;
 484	meta_req_width = 1 << log2_meta_req_width;
 485	meta_req_height = 1 << log2_meta_req_height;
 486
 487	// the dimensions of a meta row are meta_row_width x meta_row_height in elements.
 488	// calculate upper bound of the meta_row_width
 489	if (!surf_vert) {
 490		log2_meta_row_height = log2_meta_req_height;
 491		meta_row_width_ub = dml_round_to_multiple(vp_width - 1, meta_req_width, 1)
 492				+ meta_req_width;
 493		rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_width;
 494	} else {
 495		log2_meta_row_height = log2_meta_req_width;
 496		meta_row_width_ub = dml_round_to_multiple(vp_height - 1, meta_req_height, 1)
 497				+ meta_req_height;
 498		rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_height;
 499	}
 500	rq_dlg_param->meta_bytes_per_row_ub = rq_dlg_param->meta_req_per_row_ub * 64;
 501
 502	rq_dlg_param->meta_row_height = 1 << log2_meta_row_height;
 503
 504	log2_meta_chunk_bytes = dml_log2(rq_sizing_param->meta_chunk_bytes);
 505	log2_meta_chunk_height = log2_meta_row_height;
 506
 507	//full sized meta chunk width in unit of data elements
 508	log2_meta_chunk_width = log2_meta_chunk_bytes + 8 - log2_bytes_per_element
 509			- log2_meta_chunk_height;
 510	log2_min_meta_chunk_bytes = dml_log2(rq_sizing_param->min_meta_chunk_bytes);
 511	min_meta_chunk_width = 1
 512			<< (log2_min_meta_chunk_bytes + 8 - log2_bytes_per_element
 513					- log2_meta_chunk_height);
 514	meta_chunk_width = 1 << log2_meta_chunk_width;
 515	meta_chunk_per_row_int = (unsigned int) (meta_row_width_ub / meta_chunk_width);
 516	meta_row_remainder = meta_row_width_ub % meta_chunk_width;
 517	meta_chunk_threshold = 0;
 518	meta_blk_bytes = 4096;
 519	meta_blk_height = blk256_height * 64;
 520	meta_blk_width = meta_blk_bytes * 256 / bytes_per_element / meta_blk_height;
 521	meta_surface_bytes = meta_pitch
 522			* (dml_round_to_multiple(vp_height - 1, meta_blk_height, 1)
 523					+ meta_blk_height) * bytes_per_element / 256;
 524	vmpg_bytes = mode_lib->soc.vmm_page_size_bytes;
 525	meta_pte_req_per_frame_ub = (dml_round_to_multiple(
 526			meta_surface_bytes - vmpg_bytes,
 527			8 * vmpg_bytes,
 528			1) + 8 * vmpg_bytes) / (8 * vmpg_bytes);
 529	meta_pte_bytes_per_frame_ub = meta_pte_req_per_frame_ub * 64; //64B mpte request
 530	rq_dlg_param->meta_pte_bytes_per_frame_ub = meta_pte_bytes_per_frame_ub;
 531
 532	dml_print("DML_DLG: %s: meta_blk_height             = %d\n", __func__, meta_blk_height);
 533	dml_print("DML_DLG: %s: meta_blk_width              = %d\n", __func__, meta_blk_width);
 534	dml_print("DML_DLG: %s: meta_surface_bytes          = %d\n", __func__, meta_surface_bytes);
 535	dml_print(
 536			"DML_DLG: %s: meta_pte_req_per_frame_ub   = %d\n",
 537			__func__,
 538			meta_pte_req_per_frame_ub);
 539	dml_print(
 540			"DML_DLG: %s: meta_pte_bytes_per_frame_ub = %d\n",
 541			__func__,
 542			meta_pte_bytes_per_frame_ub);
 543
 544	if (!surf_vert)
 545		meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_width;
 546	else
 547		meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_height;
 548
 549	if (meta_row_remainder <= meta_chunk_threshold)
 550		rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 1;
 551	else
 552		rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 2;
 553
 554	// ------
 555	// dpte
 556	// ------
 557	if (surf_linear) {
 558		log2_vmpg_height = 0;   // one line high
 559	} else {
 560		log2_vmpg_height = (log2_vmpg_bytes - 8) / 2 + log2_blk256_height;
 561	}
 562	log2_vmpg_width = log2_vmpg_bytes - log2_bytes_per_element - log2_vmpg_height;
 563
 564	// only 3 possible shapes for dpte request in dimensions of ptes: 8x1, 4x2, 2x4.
 565	if (surf_linear) { //one 64B PTE request returns 8 PTEs
 566		log2_dpte_req_height_ptes = 0;
 567		log2_dpte_req_width = log2_vmpg_width + 3;
 568		log2_dpte_req_height = 0;
 569	} else if (log2_blk_bytes == 12) { //4KB tile means 4kB page size
 570					   //one 64B req gives 8x1 PTEs for 4KB tile
 571		log2_dpte_req_height_ptes = 0;
 572		log2_dpte_req_width = log2_blk_width + 3;
 573		log2_dpte_req_height = log2_blk_height + 0;
 574	} else if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) { // tile block >= 64KB
 575									//two 64B reqs of 2x4 PTEs give 16 PTEs to cover 64KB
 576		log2_dpte_req_height_ptes = 4;
 577		log2_dpte_req_width = log2_blk256_width + 4; // log2_64KB_width
 578		log2_dpte_req_height = log2_blk256_height + 4; // log2_64KB_height
 579	} else { //64KB page size and must 64KB tile block
 580		 //one 64B req gives 8x1 PTEs for 64KB tile
 581		log2_dpte_req_height_ptes = 0;
 582		log2_dpte_req_width = log2_blk_width + 3;
 583		log2_dpte_req_height = log2_blk_height + 0;
 584	}
 585
 586	// The dpte request dimensions in data elements is dpte_req_width x dpte_req_height
 587	// log2_vmpg_width is how much 1 pte represent, now calculating how much a 64b pte req represent
 588	// That depends on the pte shape (i.e. 8x1, 4x2, 2x4)
 589	//log2_dpte_req_height    = log2_vmpg_height + log2_dpte_req_height_ptes;
 590	//log2_dpte_req_width     = log2_vmpg_width + log2_dpte_req_width_ptes;
 591	dpte_req_height = 1 << log2_dpte_req_height;
 592	dpte_req_width = 1 << log2_dpte_req_width;
 593
 594	// calculate pitch dpte row buffer can hold
 595	// round the result down to a power of two.
 596	pde_buf_entries =
 597			yuv420 ? (pde_proc_buffer_size_64k_reqs >> 1) : pde_proc_buffer_size_64k_reqs;
 598	if (surf_linear) {
 599		unsigned int dpte_row_height;
 600
 601		log2_dpte_row_height_linear = dml_floor(
 602				dml_log2(
 603						dml_min(
 604								64 * 1024 * pde_buf_entries
 605										/ bytes_per_element,
 606								dpte_buf_in_pte_reqs
 607										* dpte_req_width)
 608								/ data_pitch),
 609				1);
 610
 611		ASSERT(log2_dpte_row_height_linear >= 3);
 612
 613		if (log2_dpte_row_height_linear > 7)
 614			log2_dpte_row_height_linear = 7;
 615
 616		log2_dpte_row_height = log2_dpte_row_height_linear;
 617		// For linear, the dpte row is pitch dependent and the pte requests wrap at the pitch boundary.
 618		// the dpte_row_width_ub is the upper bound of data_pitch*dpte_row_height in elements with this unique buffering.
 619		dpte_row_height = 1 << log2_dpte_row_height;
 620		dpte_row_width_ub = dml_round_to_multiple(
 621				data_pitch * dpte_row_height - 1,
 622				dpte_req_width,
 623				1) + dpte_req_width;
 624		rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
 625	} else {
 626		// the upper bound of the dpte_row_width without dependency on viewport position follows.
 627		// for tiled mode, row height is the same as req height and row store up to vp size upper bound
 628		if (!surf_vert) {
 629			log2_dpte_row_height = log2_dpte_req_height;
 630			dpte_row_width_ub = dml_round_to_multiple(vp_width - 1, dpte_req_width, 1)
 631					+ dpte_req_width;
 632			rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
 633		} else {
 634			log2_dpte_row_height =
 635					(log2_blk_width < log2_dpte_req_width) ?
 636							log2_blk_width : log2_dpte_req_width;
 637			dpte_row_width_ub = dml_round_to_multiple(vp_height - 1, dpte_req_height, 1)
 638					+ dpte_req_height;
 639			rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_height;
 640		}
 641	}
 642	if (log2_blk_bytes >= 16 && log2_vmpg_bytes == 12) // tile block >= 64KB
 643		rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 128; //2*64B dpte request
 644	else
 645		rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 64; //64B dpte request
 646
 647	rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height;
 648
 649	// the dpte_group_bytes is reduced for the specific case of vertical
 650	// access of a tile surface that has dpte request of 8x1 ptes.
 651
 652	if (hostvm_enable)
 653		rq_sizing_param->dpte_group_bytes = 512;
 654	else {
 655		if (!surf_linear && (log2_dpte_req_height_ptes == 0) && surf_vert) //reduced, in this case, will have page fault within a group
 656			rq_sizing_param->dpte_group_bytes = 512;
 657		else
 658			//full size
 659			rq_sizing_param->dpte_group_bytes = 2048;
 660	}
 661
 662	//since pte request size is 64byte, the number of data pte requests per full sized group is as follows.
 663	log2_dpte_group_bytes = dml_log2(rq_sizing_param->dpte_group_bytes);
 664	log2_dpte_group_length = log2_dpte_group_bytes - 6; //length in 64b requests
 665
 666	// full sized data pte group width in elements
 667	if (!surf_vert)
 668		log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_width;
 669	else
 670		log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_height;
 671
 672	//But if the tile block >=64KB and the page size is 4KB, then each dPTE request is 2*64B
 673	if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) // tile block >= 64KB
 674		log2_dpte_group_width = log2_dpte_group_width - 1;
 675
 676	dpte_group_width = 1 << log2_dpte_group_width;
 677
 678	// since dpte groups are only aligned to dpte_req_width and not dpte_group_width,
 679	// the upper bound for the dpte groups per row is as follows.
 680	rq_dlg_param->dpte_groups_per_row_ub = dml_ceil(
 681			(double) dpte_row_width_ub / dpte_group_width,
 682			1);
 683}
 684
 685static void get_surf_rq_param(
 686		struct display_mode_lib *mode_lib,
 687		display_data_rq_sizing_params_st *rq_sizing_param,
 688		display_data_rq_dlg_params_st *rq_dlg_param,
 689		display_data_rq_misc_params_st *rq_misc_param,
 690		const display_pipe_params_st *pipe_param,
 691		bool is_chroma)
 692{
 693	unsigned int vp_width = 0;
 694	unsigned int vp_height = 0;
 695	unsigned int data_pitch = 0;
 696	unsigned int meta_pitch = 0;
 697	unsigned int ppe = 1;
 698
 699	// FIXME check if ppe apply for both luma and chroma in 422 case
 700	if (is_chroma) {
 701		vp_width = pipe_param->src.viewport_width_c / ppe;
 702		vp_height = pipe_param->src.viewport_height_c;
 703		data_pitch = pipe_param->src.data_pitch_c;
 704		meta_pitch = pipe_param->src.meta_pitch_c;
 705	} else {
 706		vp_width = pipe_param->src.viewport_width / ppe;
 707		vp_height = pipe_param->src.viewport_height;
 708		data_pitch = pipe_param->src.data_pitch;
 709		meta_pitch = pipe_param->src.meta_pitch;
 710	}
 711
 712	if (pipe_param->dest.odm_combine) {
 713		unsigned int access_dir;
 714		unsigned int full_src_vp_width;
 715		unsigned int hactive_half;
 716		unsigned int src_hactive_half;
 717		access_dir = (pipe_param->src.source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
 718		hactive_half  = pipe_param->dest.hactive / 2;
 719		if (is_chroma) {
 720			full_src_vp_width = pipe_param->scale_ratio_depth.hscl_ratio_c * pipe_param->dest.full_recout_width;
 721			src_hactive_half  = pipe_param->scale_ratio_depth.hscl_ratio_c * hactive_half;
 722		} else {
 723			full_src_vp_width = pipe_param->scale_ratio_depth.hscl_ratio * pipe_param->dest.full_recout_width;
 724			src_hactive_half  = pipe_param->scale_ratio_depth.hscl_ratio * hactive_half;
 725		}
 726
 727		if (access_dir == 0) {
 728			vp_width = dml_min(full_src_vp_width, src_hactive_half);
 729			dml_print("DML_DLG: %s: vp_width = %d\n", __func__, vp_width);
 730		} else {
 731			vp_height = dml_min(full_src_vp_width, src_hactive_half);
 732			dml_print("DML_DLG: %s: vp_height = %d\n", __func__, vp_height);
 733
 734		}
 735		dml_print("DML_DLG: %s: full_src_vp_width = %d\n", __func__, full_src_vp_width);
 736		dml_print("DML_DLG: %s: hactive_half = %d\n", __func__, hactive_half);
 737		dml_print("DML_DLG: %s: src_hactive_half = %d\n", __func__, src_hactive_half);
 738	}
 739	rq_sizing_param->chunk_bytes = 8192;
 740
 741	if (rq_sizing_param->chunk_bytes == 64 * 1024)
 742		rq_sizing_param->min_chunk_bytes = 0;
 743	else
 744		rq_sizing_param->min_chunk_bytes = 1024;
 745
 746	rq_sizing_param->meta_chunk_bytes = 2048;
 747	rq_sizing_param->min_meta_chunk_bytes = 256;
 748
 749	if (pipe_param->src.hostvm)
 750		rq_sizing_param->mpte_group_bytes = 512;
 751	else
 752		rq_sizing_param->mpte_group_bytes = 2048;
 753
 754	get_meta_and_pte_attr(
 755			mode_lib,
 756			rq_dlg_param,
 757			rq_misc_param,
 758			rq_sizing_param,
 759			vp_width,
 760			vp_height,
 761			data_pitch,
 762			meta_pitch,
 763			pipe_param->src.source_format,
 764			pipe_param->src.sw_mode,
 765			pipe_param->src.macro_tile_size,
 766			pipe_param->src.source_scan,
 767			pipe_param->src.hostvm,
 768			is_chroma);
 769}
 770
 771static void dml_rq_dlg_get_rq_params(
 772		struct display_mode_lib *mode_lib,
 773		display_rq_params_st *rq_param,
 774		const display_pipe_params_st *pipe_param)
 775{
 776	// get param for luma surface
 777	rq_param->yuv420 = pipe_param->src.source_format == dm_420_8
 778			|| pipe_param->src.source_format == dm_420_10;
 779	rq_param->yuv420_10bpc = pipe_param->src.source_format == dm_420_10;
 780
 781	get_surf_rq_param(
 782			mode_lib,
 783			&(rq_param->sizing.rq_l),
 784			&(rq_param->dlg.rq_l),
 785			&(rq_param->misc.rq_l),
 786			pipe_param,
 787			0);
 788
 789	if (is_dual_plane((enum source_format_class) (pipe_param->src.source_format))) {
 790		// get param for chroma surface
 791		get_surf_rq_param(
 792				mode_lib,
 793				&(rq_param->sizing.rq_c),
 794				&(rq_param->dlg.rq_c),
 795				&(rq_param->misc.rq_c),
 796				pipe_param,
 797				1);
 798	}
 799
 800	// calculate how to split the det buffer space between luma and chroma
 801	handle_det_buf_split(mode_lib, rq_param, &pipe_param->src);
 802	print__rq_params_st(mode_lib, rq_param);
 803}
 804
 805void dml21_rq_dlg_get_rq_reg(
 806		struct display_mode_lib *mode_lib,
 807		display_rq_regs_st *rq_regs,
 808		const display_pipe_params_st *pipe_param)
 809{
 810	display_rq_params_st rq_param = {0};
 811
 812	memset(rq_regs, 0, sizeof(*rq_regs));
 813	dml_rq_dlg_get_rq_params(mode_lib, &rq_param, pipe_param);
 814	extract_rq_regs(mode_lib, rq_regs, &rq_param);
 815
 816	print__rq_regs_st(mode_lib, rq_regs);
 817}
 818
 819// Note: currently taken in as is.
 820// Nice to decouple code from hw register implement and extract code that are repeated for luma and chroma.
 821static void dml_rq_dlg_get_dlg_params(
 822		struct display_mode_lib *mode_lib,
 823		const display_e2e_pipe_params_st *e2e_pipe_param,
 824		const unsigned int num_pipes,
 825		const unsigned int pipe_idx,
 826		display_dlg_regs_st *disp_dlg_regs,
 827		display_ttu_regs_st *disp_ttu_regs,
 828		const display_rq_dlg_params_st *rq_dlg_param,
 829		const display_dlg_sys_params_st *dlg_sys_param,
 830		const bool cstate_en,
 831		const bool pstate_en)
 832{
 833	const display_pipe_source_params_st *src = &e2e_pipe_param[pipe_idx].pipe.src;
 834	const display_pipe_dest_params_st *dst = &e2e_pipe_param[pipe_idx].pipe.dest;
 835	const display_output_params_st *dout = &e2e_pipe_param[pipe_idx].dout;
 836	const display_clocks_and_cfg_st *clks = &e2e_pipe_param[pipe_idx].clks_cfg;
 837	const scaler_ratio_depth_st *scl = &e2e_pipe_param[pipe_idx].pipe.scale_ratio_depth;
 838	const scaler_taps_st *taps = &e2e_pipe_param[pipe_idx].pipe.scale_taps;
 839
 840	// -------------------------
 841	// Section 1.15.2.1: OTG dependent Params
 842	// -------------------------
 843	// Timing
 844	unsigned int htotal = dst->htotal;
 845	//    unsigned int hblank_start = dst.hblank_start; // TODO: Remove
 846	unsigned int hblank_end = dst->hblank_end;
 847	unsigned int vblank_start = dst->vblank_start;
 848	unsigned int vblank_end = dst->vblank_end;
 849	unsigned int min_vblank = mode_lib->ip.min_vblank_lines;
 850
 851	double dppclk_freq_in_mhz = clks->dppclk_mhz;
 852	double dispclk_freq_in_mhz = clks->dispclk_mhz;
 853	double refclk_freq_in_mhz = clks->refclk_mhz;
 854	double pclk_freq_in_mhz = dst->pixel_rate_mhz;
 855	bool interlaced = dst->interlaced;
 856
 857	double ref_freq_to_pix_freq = refclk_freq_in_mhz / pclk_freq_in_mhz;
 858
 859	double min_dcfclk_mhz;
 860	double t_calc_us;
 861	double min_ttu_vblank;
 862
 863	double min_dst_y_ttu_vblank;
 864	unsigned int dlg_vblank_start;
 865	bool dual_plane;
 866	unsigned int access_dir;
 867	unsigned int vp_height_l;
 868	unsigned int vp_width_l;
 869	unsigned int vp_height_c;
 870	unsigned int vp_width_c;
 871
 872	// Scaling
 873	unsigned int htaps_l;
 874	unsigned int htaps_c;
 875	double hratio_l;
 876	double hratio_c;
 877	double vratio_l;
 878	double vratio_c;
 879	bool scl_enable;
 880
 881	double line_time_in_us;
 882	//    double vinit_l;
 883	//    double vinit_c;
 884	//    double vinit_bot_l;
 885	//    double vinit_bot_c;
 886
 887	//    unsigned int swath_height_l;
 888	unsigned int swath_width_ub_l;
 889	//    unsigned int dpte_bytes_per_row_ub_l;
 890	unsigned int dpte_groups_per_row_ub_l;
 891	//    unsigned int meta_pte_bytes_per_frame_ub_l;
 892	//    unsigned int meta_bytes_per_row_ub_l;
 893
 894	//    unsigned int swath_height_c;
 895	unsigned int swath_width_ub_c;
 896	//   unsigned int dpte_bytes_per_row_ub_c;
 897	unsigned int dpte_groups_per_row_ub_c;
 898
 899	unsigned int meta_chunks_per_row_ub_l;
 900	unsigned int meta_chunks_per_row_ub_c;
 901	unsigned int vupdate_offset;
 902	unsigned int vupdate_width;
 903	unsigned int vready_offset;
 904
 905	unsigned int dppclk_delay_subtotal;
 906	unsigned int dispclk_delay_subtotal;
 907	unsigned int pixel_rate_delay_subtotal;
 908
 909	unsigned int vstartup_start;
 910	unsigned int dst_x_after_scaler;
 911	unsigned int dst_y_after_scaler;
 912	double line_wait;
 913	double dst_y_prefetch;
 914	double dst_y_per_vm_vblank;
 915	double dst_y_per_row_vblank;
 916	double dst_y_per_vm_flip;
 917	double dst_y_per_row_flip;
 918	double max_dst_y_per_vm_vblank;
 919	double max_dst_y_per_row_vblank;
 920	double lsw;
 921	double vratio_pre_l;
 922	double vratio_pre_c;
 923	unsigned int req_per_swath_ub_l;
 924	unsigned int req_per_swath_ub_c;
 925	unsigned int meta_row_height_l;
 926	unsigned int meta_row_height_c;
 927	unsigned int swath_width_pixels_ub_l;
 928	unsigned int swath_width_pixels_ub_c;
 929	unsigned int scaler_rec_in_width_l;
 930	unsigned int scaler_rec_in_width_c;
 931	unsigned int dpte_row_height_l;
 932	unsigned int dpte_row_height_c;
 933	double hscale_pixel_rate_l;
 934	double hscale_pixel_rate_c;
 935	double min_hratio_fact_l;
 936	double min_hratio_fact_c;
 937	double refcyc_per_line_delivery_pre_l;
 938	double refcyc_per_line_delivery_pre_c;
 939	double refcyc_per_line_delivery_l;
 940	double refcyc_per_line_delivery_c;
 941
 942	double refcyc_per_req_delivery_pre_l;
 943	double refcyc_per_req_delivery_pre_c;
 944	double refcyc_per_req_delivery_l;
 945	double refcyc_per_req_delivery_c;
 946
 947	unsigned int full_recout_width;
 948	double refcyc_per_req_delivery_pre_cur0;
 949	double refcyc_per_req_delivery_cur0;
 950	double refcyc_per_req_delivery_pre_cur1;
 951	double refcyc_per_req_delivery_cur1;
 952
 953	memset(disp_dlg_regs, 0, sizeof(*disp_dlg_regs));
 954	memset(disp_ttu_regs, 0, sizeof(*disp_ttu_regs));
 955
 956	dml_print("DML_DLG: %s:  cstate_en = %d\n", __func__, cstate_en);
 957	dml_print("DML_DLG: %s:  pstate_en = %d\n", __func__, pstate_en);
 958
 959	dml_print("DML_DLG: %s: dppclk_freq_in_mhz     = %3.2f\n", __func__, dppclk_freq_in_mhz);
 960	dml_print("DML_DLG: %s: dispclk_freq_in_mhz    = %3.2f\n", __func__, dispclk_freq_in_mhz);
 961	dml_print("DML_DLG: %s: refclk_freq_in_mhz     = %3.2f\n", __func__, refclk_freq_in_mhz);
 962	dml_print("DML_DLG: %s: pclk_freq_in_mhz       = %3.2f\n", __func__, pclk_freq_in_mhz);
 963	dml_print("DML_DLG: %s: interlaced             = %d\n", __func__, interlaced);
 964	ASSERT(ref_freq_to_pix_freq < 4.0);
 965
 966	disp_dlg_regs->ref_freq_to_pix_freq =
 967			(unsigned int) (ref_freq_to_pix_freq * dml_pow(2, 19));
 968	disp_dlg_regs->refcyc_per_htotal = (unsigned int) (ref_freq_to_pix_freq * (double) htotal
 969			* dml_pow(2, 8));
 970	disp_dlg_regs->dlg_vblank_end = interlaced ? (vblank_end / 2) : vblank_end; // 15 bits
 971	disp_dlg_regs->refcyc_h_blank_end = (unsigned int) ((double) hblank_end
 972			* (double) ref_freq_to_pix_freq);
 973	ASSERT(disp_dlg_regs->refcyc_h_blank_end < (unsigned int)dml_pow(2, 13));
 974
 975	min_dcfclk_mhz = dlg_sys_param->deepsleep_dcfclk_mhz;
 976	t_calc_us = get_tcalc(mode_lib, e2e_pipe_param, num_pipes);
 977	min_ttu_vblank = get_min_ttu_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
 978
 979	min_dst_y_ttu_vblank = min_ttu_vblank * pclk_freq_in_mhz / (double) htotal;
 980	dlg_vblank_start = interlaced ? (vblank_start / 2) : vblank_start;
 981
 982	disp_dlg_regs->min_dst_y_next_start = (unsigned int) (((double) dlg_vblank_start) * dml_pow(2, 2));
 983	ASSERT(disp_dlg_regs->min_dst_y_next_start < (unsigned int)dml_pow(2, 18));
 984
 985	dml_print(
 986			"DML_DLG: %s: min_dcfclk_mhz                         = %3.2f\n",
 987			__func__,
 988			min_dcfclk_mhz);
 989	dml_print(
 990			"DML_DLG: %s: min_ttu_vblank                         = %3.2f\n",
 991			__func__,
 992			min_ttu_vblank);
 993	dml_print(
 994			"DML_DLG: %s: min_dst_y_ttu_vblank                   = %3.2f\n",
 995			__func__,
 996			min_dst_y_ttu_vblank);
 997	dml_print(
 998			"DML_DLG: %s: t_calc_us                              = %3.2f\n",
 999			__func__,
1000			t_calc_us);
1001	dml_print(
1002			"DML_DLG: %s: disp_dlg_regs->min_dst_y_next_start    = 0x%0x\n",
1003			__func__,
1004			disp_dlg_regs->min_dst_y_next_start);
1005	dml_print(
1006			"DML_DLG: %s: ref_freq_to_pix_freq                   = %3.2f\n",
1007			__func__,
1008			ref_freq_to_pix_freq);
1009
1010	// -------------------------
1011	// Section 1.15.2.2: Prefetch, Active and TTU
1012	// -------------------------
1013	// Prefetch Calc
1014	// Source
1015	//             dcc_en              = src.dcc;
1016	dual_plane = is_dual_plane((enum source_format_class) (src->source_format));
1017	access_dir = (src->source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
1018						    //      bytes_per_element_l = get_bytes_per_element(source_format_class(src.source_format), 0);
1019						    //      bytes_per_element_c = get_bytes_per_element(source_format_class(src.source_format), 1);
1020	vp_height_l = src->viewport_height;
1021	vp_width_l = src->viewport_width;
1022	vp_height_c = src->viewport_height_c;
1023	vp_width_c = src->viewport_width_c;
1024
1025	// Scaling
1026	htaps_l = taps->htaps;
1027	htaps_c = taps->htaps_c;
1028	hratio_l = scl->hscl_ratio;
1029	hratio_c = scl->hscl_ratio_c;
1030	vratio_l = scl->vscl_ratio;
1031	vratio_c = scl->vscl_ratio_c;
1032	scl_enable = scl->scl_enable;
1033
1034	line_time_in_us = (htotal / pclk_freq_in_mhz);
1035	swath_width_ub_l = rq_dlg_param->rq_l.swath_width_ub;
1036	dpte_groups_per_row_ub_l = rq_dlg_param->rq_l.dpte_groups_per_row_ub;
1037	swath_width_ub_c = rq_dlg_param->rq_c.swath_width_ub;
1038	dpte_groups_per_row_ub_c = rq_dlg_param->rq_c.dpte_groups_per_row_ub;
1039
1040	meta_chunks_per_row_ub_l = rq_dlg_param->rq_l.meta_chunks_per_row_ub;
1041	meta_chunks_per_row_ub_c = rq_dlg_param->rq_c.meta_chunks_per_row_ub;
1042	vupdate_offset = dst->vupdate_offset;
1043	vupdate_width = dst->vupdate_width;
1044	vready_offset = dst->vready_offset;
1045
1046	dppclk_delay_subtotal = mode_lib->ip.dppclk_delay_subtotal;
1047	dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal;
1048
1049	if (scl_enable)
1050		dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl;
1051	else
1052		dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl_lb_only;
1053
1054	dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_cnvc_formatter
1055			+ src->num_cursors * mode_lib->ip.dppclk_delay_cnvc_cursor;
1056
1057	if (dout->dsc_enable) {
1058		double dsc_delay = get_dsc_delay(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1059
1060		dispclk_delay_subtotal += dsc_delay;
1061	}
1062
1063	pixel_rate_delay_subtotal = dppclk_delay_subtotal * pclk_freq_in_mhz / dppclk_freq_in_mhz
1064			+ dispclk_delay_subtotal * pclk_freq_in_mhz / dispclk_freq_in_mhz;
1065
1066	vstartup_start = dst->vstartup_start;
1067	if (interlaced) {
1068		if (vstartup_start / 2.0
1069				- (double) (vready_offset + vupdate_width + vupdate_offset) / htotal
1070				<= vblank_end / 2.0)
1071			disp_dlg_regs->vready_after_vcount0 = 1;
1072		else
1073			disp_dlg_regs->vready_after_vcount0 = 0;
1074	} else {
1075		if (vstartup_start
1076				- (double) (vready_offset + vupdate_width + vupdate_offset) / htotal
1077				<= vblank_end)
1078			disp_dlg_regs->vready_after_vcount0 = 1;
1079		else
1080			disp_dlg_regs->vready_after_vcount0 = 0;
1081	}
1082
1083	// TODO: Where is this coming from?
1084	if (interlaced)
1085		vstartup_start = vstartup_start / 2;
1086
1087	// TODO: What if this min_vblank doesn't match the value in the dml_config_settings.cpp?
1088	if (vstartup_start >= min_vblank) {
1089		dml_print(
1090				"WARNING: DML_DLG: %s: vblank_start=%d vblank_end=%d\n",
1091				__func__,
1092				vblank_start,
1093				vblank_end);
1094		dml_print(
1095				"WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",
1096				__func__,
1097				vstartup_start,
1098				min_vblank);
1099		min_vblank = vstartup_start + 1;
1100		dml_print(
1101				"WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",
1102				__func__,
1103				vstartup_start,
1104				min_vblank);
1105	}
1106
1107	dst_x_after_scaler = get_dst_x_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1108	dst_y_after_scaler = get_dst_y_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1109
1110	dml_print("DML_DLG: %s: htotal                                 = %d\n", __func__, htotal);
1111	dml_print(
1112			"DML_DLG: %s: pixel_rate_delay_subtotal              = %d\n",
1113			__func__,
1114			pixel_rate_delay_subtotal);
1115	dml_print(
1116			"DML_DLG: %s: dst_x_after_scaler                     = %d\n",
1117			__func__,
1118			dst_x_after_scaler);
1119	dml_print(
1120			"DML_DLG: %s: dst_y_after_scaler                     = %d\n",
1121			__func__,
1122			dst_y_after_scaler);
1123
1124	// Lwait
1125	// TODO: Should this be urgent_latency_pixel_mixed_with_vm_data_us?
1126	line_wait = mode_lib->soc.urgent_latency_pixel_data_only_us;
1127	if (cstate_en)
1128		line_wait = dml_max(mode_lib->soc.sr_enter_plus_exit_time_us, line_wait);
1129	if (pstate_en)
1130		line_wait = dml_max(
1131				mode_lib->soc.dram_clock_change_latency_us
1132						+ mode_lib->soc.urgent_latency_pixel_data_only_us, // TODO: Should this be urgent_latency_pixel_mixed_with_vm_data_us?
1133				line_wait);
1134	line_wait = line_wait / line_time_in_us;
1135
1136	dst_y_prefetch = get_dst_y_prefetch(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1137	dml_print("DML_DLG: %s: dst_y_prefetch (after rnd) = %3.2f\n", __func__, dst_y_prefetch);
1138
1139	dst_y_per_vm_vblank = get_dst_y_per_vm_vblank(
1140			mode_lib,
1141			e2e_pipe_param,
1142			num_pipes,
1143			pipe_idx);
1144	dst_y_per_row_vblank = get_dst_y_per_row_vblank(
1145			mode_lib,
1146			e2e_pipe_param,
1147			num_pipes,
1148			pipe_idx);
1149	dst_y_per_vm_flip = get_dst_y_per_vm_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1150	dst_y_per_row_flip = get_dst_y_per_row_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1151
1152	max_dst_y_per_vm_vblank = 32.0;
1153	max_dst_y_per_row_vblank = 16.0;
1154
1155	// magic!
1156	if (htotal <= 75) {
1157		min_vblank = 300;
1158		max_dst_y_per_vm_vblank = 100.0;
1159		max_dst_y_per_row_vblank = 100.0;
1160	}
1161
1162	dml_print("DML_DLG: %s: dst_y_per_vm_flip    = %3.2f\n", __func__, dst_y_per_vm_flip);
1163	dml_print("DML_DLG: %s: dst_y_per_row_flip   = %3.2f\n", __func__, dst_y_per_row_flip);
1164	dml_print("DML_DLG: %s: dst_y_per_vm_vblank  = %3.2f\n", __func__, dst_y_per_vm_vblank);
1165	dml_print("DML_DLG: %s: dst_y_per_row_vblank = %3.2f\n", __func__, dst_y_per_row_vblank);
1166
1167	ASSERT(dst_y_per_vm_vblank < max_dst_y_per_vm_vblank);
1168	ASSERT(dst_y_per_row_vblank < max_dst_y_per_row_vblank);
1169
1170	ASSERT(dst_y_prefetch > (dst_y_per_vm_vblank + dst_y_per_row_vblank));
1171	lsw = dst_y_prefetch - (dst_y_per_vm_vblank + dst_y_per_row_vblank);
1172
1173	dml_print("DML_DLG: %s: lsw = %3.2f\n", __func__, lsw);
1174
1175	vratio_pre_l = get_vratio_prefetch_l(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1176	vratio_pre_c = get_vratio_prefetch_c(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1177
1178	dml_print("DML_DLG: %s: vratio_pre_l=%3.2f\n", __func__, vratio_pre_l);
1179	dml_print("DML_DLG: %s: vratio_pre_c=%3.2f\n", __func__, vratio_pre_c);
1180
1181	// Active
1182	req_per_swath_ub_l = rq_dlg_param->rq_l.req_per_swath_ub;
1183	req_per_swath_ub_c = rq_dlg_param->rq_c.req_per_swath_ub;
1184	meta_row_height_l = rq_dlg_param->rq_l.meta_row_height;
1185	meta_row_height_c = rq_dlg_param->rq_c.meta_row_height;
1186	swath_width_pixels_ub_l = 0;
1187	swath_width_pixels_ub_c = 0;
1188	scaler_rec_in_width_l = 0;
1189	scaler_rec_in_width_c = 0;
1190	dpte_row_height_l = rq_dlg_param->rq_l.dpte_row_height;
1191	dpte_row_height_c = rq_dlg_param->rq_c.dpte_row_height;
1192
1193	swath_width_pixels_ub_l = swath_width_ub_l;
1194	swath_width_pixels_ub_c = swath_width_ub_c;
1195
1196	if (hratio_l <= 1)
1197		min_hratio_fact_l = 2.0;
1198	else if (htaps_l <= 6) {
1199		if ((hratio_l * 2.0) > 4.0)
1200			min_hratio_fact_l = 4.0;
1201		else
1202			min_hratio_fact_l = hratio_l * 2.0;
1203	} else {
1204		if (hratio_l > 4.0)
1205			min_hratio_fact_l = 4.0;
1206		else
1207			min_hratio_fact_l = hratio_l;
1208	}
1209
1210	hscale_pixel_rate_l = min_hratio_fact_l * dppclk_freq_in_mhz;
1211
1212	if (hratio_c <= 1)
1213		min_hratio_fact_c = 2.0;
1214	else if (htaps_c <= 6) {
1215		if ((hratio_c * 2.0) > 4.0)
1216			min_hratio_fact_c = 4.0;
1217		else
1218			min_hratio_fact_c = hratio_c * 2.0;
1219	} else {
1220		if (hratio_c > 4.0)
1221			min_hratio_fact_c = 4.0;
1222		else
1223			min_hratio_fact_c = hratio_c;
1224	}
1225
1226	hscale_pixel_rate_c = min_hratio_fact_c * dppclk_freq_in_mhz;
1227
1228	refcyc_per_line_delivery_pre_l = 0.;
1229	refcyc_per_line_delivery_pre_c = 0.;
1230	refcyc_per_line_delivery_l = 0.;
1231	refcyc_per_line_delivery_c = 0.;
1232
1233	refcyc_per_req_delivery_pre_l = 0.;
1234	refcyc_per_req_delivery_pre_c = 0.;
1235	refcyc_per_req_delivery_l = 0.;
1236	refcyc_per_req_delivery_c = 0.;
1237
1238	full_recout_width = 0;
1239	// In ODM
1240	if (src->is_hsplit) {
1241		// This "hack"  is only allowed (and valid) for MPC combine. In ODM
1242		// combine, you MUST specify the full_recout_width...according to Oswin
1243		if (dst->full_recout_width == 0 && !dst->odm_combine) {
1244			dml_print(
1245					"DML_DLG: %s: Warning: full_recout_width not set in hsplit mode\n",
1246					__func__);
1247			full_recout_width = dst->recout_width * 2; // assume half split for dcn1
1248		} else
1249			full_recout_width = dst->full_recout_width;
1250	} else
1251		full_recout_width = dst->recout_width;
1252
1253	// As of DCN2, mpc_combine and odm_combine are mutually exclusive
1254	refcyc_per_line_delivery_pre_l = get_refcyc_per_delivery(
1255			mode_lib,
1256			refclk_freq_in_mhz,
1257			pclk_freq_in_mhz,
1258			dst->odm_combine,
1259			full_recout_width,
1260			dst->hactive,
1261			vratio_pre_l,
1262			hscale_pixel_rate_l,
1263			swath_width_pixels_ub_l,
1264			1); // per line
1265
1266	refcyc_per_line_delivery_l = get_refcyc_per_delivery(
1267			mode_lib,
1268			refclk_freq_in_mhz,
1269			pclk_freq_in_mhz,
1270			dst->odm_combine,
1271			full_recout_width,
1272			dst->hactive,
1273			vratio_l,
1274			hscale_pixel_rate_l,
1275			swath_width_pixels_ub_l,
1276			1); // per line
1277
1278	dml_print("DML_DLG: %s: full_recout_width              = %d\n", __func__, full_recout_width);
1279	dml_print(
1280			"DML_DLG: %s: hscale_pixel_rate_l            = %3.2f\n",
1281			__func__,
1282			hscale_pixel_rate_l);
1283	dml_print(
1284			"DML_DLG: %s: refcyc_per_line_delivery_pre_l = %3.2f\n",
1285			__func__,
1286			refcyc_per_line_delivery_pre_l);
1287	dml_print(
1288			"DML_DLG: %s: refcyc_per_line_delivery_l     = %3.2f\n",
1289			__func__,
1290			refcyc_per_line_delivery_l);
1291
1292	if (dual_plane) {
1293		refcyc_per_line_delivery_pre_c = get_refcyc_per_delivery(
1294				mode_lib,
1295				refclk_freq_in_mhz,
1296				pclk_freq_in_mhz,
1297				dst->odm_combine,
1298				full_recout_width,
1299				dst->hactive,
1300				vratio_pre_c,
1301				hscale_pixel_rate_c,
1302				swath_width_pixels_ub_c,
1303				1); // per line
1304
1305		refcyc_per_line_delivery_c = get_refcyc_per_delivery(
1306				mode_lib,
1307				refclk_freq_in_mhz,
1308				pclk_freq_in_mhz,
1309				dst->odm_combine,
1310				full_recout_width,
1311				dst->hactive,
1312				vratio_c,
1313				hscale_pixel_rate_c,
1314				swath_width_pixels_ub_c,
1315				1);  // per line
1316
1317		dml_print(
1318				"DML_DLG: %s: refcyc_per_line_delivery_pre_c = %3.2f\n",
1319				__func__,
1320				refcyc_per_line_delivery_pre_c);
1321		dml_print(
1322				"DML_DLG: %s: refcyc_per_line_delivery_c     = %3.2f\n",
1323				__func__,
1324				refcyc_per_line_delivery_c);
1325	}
1326
1327	// TTU - Luma / Chroma
1328	if (access_dir) {  // vertical access
1329		scaler_rec_in_width_l = vp_height_l;
1330		scaler_rec_in_width_c = vp_height_c;
1331	} else {
1332		scaler_rec_in_width_l = vp_width_l;
1333		scaler_rec_in_width_c = vp_width_c;
1334	}
1335
1336	refcyc_per_req_delivery_pre_l = get_refcyc_per_delivery(
1337			mode_lib,
1338			refclk_freq_in_mhz,
1339			pclk_freq_in_mhz,
1340			dst->odm_combine,
1341			full_recout_width,
1342			dst->hactive,
1343			vratio_pre_l,
1344			hscale_pixel_rate_l,
1345			scaler_rec_in_width_l,
1346			req_per_swath_ub_l);  // per req
1347	refcyc_per_req_delivery_l = get_refcyc_per_delivery(
1348			mode_lib,
1349			refclk_freq_in_mhz,
1350			pclk_freq_in_mhz,
1351			dst->odm_combine,
1352			full_recout_width,
1353			dst->hactive,
1354			vratio_l,
1355			hscale_pixel_rate_l,
1356			scaler_rec_in_width_l,
1357			req_per_swath_ub_l);  // per req
1358
1359	dml_print(
1360			"DML_DLG: %s: refcyc_per_req_delivery_pre_l = %3.2f\n",
1361			__func__,
1362			refcyc_per_req_delivery_pre_l);
1363	dml_print(
1364			"DML_DLG: %s: refcyc_per_req_delivery_l     = %3.2f\n",
1365			__func__,
1366			refcyc_per_req_delivery_l);
1367
1368	ASSERT(refcyc_per_req_delivery_pre_l < dml_pow(2, 13));
1369	ASSERT(refcyc_per_req_delivery_l < dml_pow(2, 13));
1370
1371	if (dual_plane) {
1372		refcyc_per_req_delivery_pre_c = get_refcyc_per_delivery(
1373				mode_lib,
1374				refclk_freq_in_mhz,
1375				pclk_freq_in_mhz,
1376				dst->odm_combine,
1377				full_recout_width,
1378				dst->hactive,
1379				vratio_pre_c,
1380				hscale_pixel_rate_c,
1381				scaler_rec_in_width_c,
1382				req_per_swath_ub_c);  // per req
1383		refcyc_per_req_delivery_c = get_refcyc_per_delivery(
1384				mode_lib,
1385				refclk_freq_in_mhz,
1386				pclk_freq_in_mhz,
1387				dst->odm_combine,
1388				full_recout_width,
1389				dst->hactive,
1390				vratio_c,
1391				hscale_pixel_rate_c,
1392				scaler_rec_in_width_c,
1393				req_per_swath_ub_c);  // per req
1394
1395		dml_print(
1396				"DML_DLG: %s: refcyc_per_req_delivery_pre_c = %3.2f\n",
1397				__func__,
1398				refcyc_per_req_delivery_pre_c);
1399		dml_print(
1400				"DML_DLG: %s: refcyc_per_req_delivery_c     = %3.2f\n",
1401				__func__,
1402				refcyc_per_req_delivery_c);
1403
1404		ASSERT(refcyc_per_req_delivery_pre_c < dml_pow(2, 13));
1405		ASSERT(refcyc_per_req_delivery_c < dml_pow(2, 13));
1406	}
1407
1408	// TTU - Cursor
1409	refcyc_per_req_delivery_pre_cur0 = 0.0;
1410	refcyc_per_req_delivery_cur0 = 0.0;
1411	if (src->num_cursors > 0) {
1412		calculate_ttu_cursor(
1413				mode_lib,
1414				&refcyc_per_req_delivery_pre_cur0,
1415				&refcyc_per_req_delivery_cur0,
1416				refclk_freq_in_mhz,
1417				ref_freq_to_pix_freq,
1418				hscale_pixel_rate_l,
1419				scl->hscl_ratio,
1420				vratio_pre_l,
1421				vratio_l,
1422				src->cur0_src_width,
1423				(enum cursor_bpp) (src->cur0_bpp));
1424	}
1425
1426	refcyc_per_req_delivery_pre_cur1 = 0.0;
1427	refcyc_per_req_delivery_cur1 = 0.0;
1428	if (src->num_cursors > 1) {
1429		calculate_ttu_cursor(
1430				mode_lib,
1431				&refcyc_per_req_delivery_pre_cur1,
1432				&refcyc_per_req_delivery_cur1,
1433				refclk_freq_in_mhz,
1434				ref_freq_to_pix_freq,
1435				hscale_pixel_rate_l,
1436				scl->hscl_ratio,
1437				vratio_pre_l,
1438				vratio_l,
1439				src->cur1_src_width,
1440				(enum cursor_bpp) (src->cur1_bpp));
1441	}
1442
1443	// TTU - Misc
1444	// all hard-coded
1445
1446	// Assignment to register structures
1447	disp_dlg_regs->dst_y_after_scaler = dst_y_after_scaler; // in terms of line
1448	disp_dlg_regs->refcyc_x_after_scaler = dst_x_after_scaler * ref_freq_to_pix_freq; // in terms of refclk
1449	ASSERT(disp_dlg_regs->refcyc_x_after_scaler < (unsigned int)dml_pow(2, 13));
1450	disp_dlg_regs->dst_y_prefetch = (unsigned int) (dst_y_prefetch * dml_pow(2, 2));
1451	disp_dlg_regs->dst_y_per_vm_vblank = (unsigned int) (dst_y_per_vm_vblank * dml_pow(2, 2));
1452	disp_dlg_regs->dst_y_per_row_vblank = (unsigned int) (dst_y_per_row_vblank * dml_pow(2, 2));
1453	disp_dlg_regs->dst_y_per_vm_flip = (unsigned int) (dst_y_per_vm_flip * dml_pow(2, 2));
1454	disp_dlg_regs->dst_y_per_row_flip = (unsigned int) (dst_y_per_row_flip * dml_pow(2, 2));
1455
1456	disp_dlg_regs->vratio_prefetch = (unsigned int) (vratio_pre_l * dml_pow(2, 19));
1457	disp_dlg_regs->vratio_prefetch_c = (unsigned int) (vratio_pre_c * dml_pow(2, 19));
1458
1459	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);
1460	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);
1461	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);
1462	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);
1463
1464	disp_dlg_regs->refcyc_per_pte_group_vblank_l =
1465			(unsigned int) (dst_y_per_row_vblank * (double) htotal
1466					* ref_freq_to_pix_freq / (double) dpte_groups_per_row_ub_l);
1467	if ((refclk_freq_in_mhz / ref_freq_to_pix_freq < 28) &&
1468			disp_dlg_regs->refcyc_per_pte_group_vblank_l >= (unsigned int)dml_pow(2, 13))
1469		disp_dlg_regs->refcyc_per_pte_group_vblank_l = (1 << 13) - 1;
1470	else
1471		ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int)dml_pow(2, 13));
1472
1473	if (dual_plane) {
1474		disp_dlg_regs->refcyc_per_pte_group_vblank_c = (unsigned int) (dst_y_per_row_vblank
1475				* (double) htotal * ref_freq_to_pix_freq
1476				/ (double) dpte_groups_per_row_ub_c);
1477		if ((refclk_freq_in_mhz / ref_freq_to_pix_freq < 28) &&
1478				disp_dlg_regs->refcyc_per_pte_group_vblank_c >= (unsigned int)dml_pow(2, 13))
1479			disp_dlg_regs->refcyc_per_pte_group_vblank_c = (1 << 13) - 1;
1480		else
1481			ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_c
1482				< (unsigned int)dml_pow(2, 13));
1483	}
1484
1485	if (src->dcc)
1486		disp_dlg_regs->refcyc_per_meta_chunk_vblank_l =
1487			(unsigned int) (dst_y_per_row_vblank * (double) htotal
1488					* ref_freq_to_pix_freq / (double) meta_chunks_per_row_ub_l);
1489	else
1490		disp_dlg_regs->refcyc_per_meta_chunk_vblank_l = 0;
1491	ASSERT(disp_dlg_regs->refcyc_per_meta_chunk_vblank_l < (unsigned int)dml_pow(2, 13));
1492
1493	disp_dlg_regs->refcyc_per_meta_chunk_vblank_c =
1494			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
1495
1496	disp_dlg_regs->refcyc_per_pte_group_flip_l = (unsigned int) (dst_y_per_row_flip * htotal
1497			* ref_freq_to_pix_freq) / dpte_groups_per_row_ub_l;
1498	disp_dlg_regs->refcyc_per_meta_chunk_flip_l = (unsigned int) (dst_y_per_row_flip * htotal
1499			* ref_freq_to_pix_freq) / meta_chunks_per_row_ub_l;
1500
1501	if (dual_plane) {
1502		disp_dlg_regs->refcyc_per_pte_group_flip_c = (unsigned int) (dst_y_per_row_flip
1503				* htotal * ref_freq_to_pix_freq) / dpte_groups_per_row_ub_c;
1504		disp_dlg_regs->refcyc_per_meta_chunk_flip_c = (unsigned int) (dst_y_per_row_flip
1505				* htotal * ref_freq_to_pix_freq) / meta_chunks_per_row_ub_c;
1506	}
1507
1508	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;
1509	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;
1510	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);
1511	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);
1512
1513	// Clamp to max for now
1514	if (disp_dlg_regs->refcyc_per_vm_group_vblank >= (unsigned int)dml_pow(2, 23))
1515		disp_dlg_regs->refcyc_per_vm_group_vblank = dml_pow(2, 23) - 1;
1516
1517	if (disp_dlg_regs->refcyc_per_vm_group_flip >= (unsigned int)dml_pow(2, 23))
1518		disp_dlg_regs->refcyc_per_vm_group_flip = dml_pow(2, 23) - 1;
1519
1520	if (disp_dlg_regs->refcyc_per_vm_req_vblank >= (unsigned int)dml_pow(2, 23))
1521		disp_dlg_regs->refcyc_per_vm_req_vblank = dml_pow(2, 23) - 1;
1522
1523	if (disp_dlg_regs->refcyc_per_vm_req_flip >= (unsigned int)dml_pow(2, 23))
1524		disp_dlg_regs->refcyc_per_vm_req_flip = dml_pow(2, 23) - 1;
1525	disp_dlg_regs->dst_y_per_pte_row_nom_l = (unsigned int) ((double) dpte_row_height_l
1526			/ (double) vratio_l * dml_pow(2, 2));
1527	ASSERT(disp_dlg_regs->dst_y_per_pte_row_nom_l < (unsigned int)dml_pow(2, 17));
1528
1529	if (dual_plane) {
1530		disp_dlg_regs->dst_y_per_pte_row_nom_c = (unsigned int) ((double) dpte_row_height_c
1531				/ (double) vratio_c * dml_pow(2, 2));
1532		if (disp_dlg_regs->dst_y_per_pte_row_nom_c >= (unsigned int) dml_pow(2, 17)) {
1533			dml_print(
1534					"DML_DLG: %s: Warning dst_y_per_pte_row_nom_c %u larger than supported by register format U15.2 %u\n",
1535					__func__,
1536					disp_dlg_regs->dst_y_per_pte_row_nom_c,
1537					(unsigned int)dml_pow(2, 17) - 1);
1538		}
1539	}
1540
1541	disp_dlg_regs->dst_y_per_meta_row_nom_l = (unsigned int) ((double) meta_row_height_l
1542			/ (double) vratio_l * dml_pow(2, 2));
1543	ASSERT(disp_dlg_regs->dst_y_per_meta_row_nom_l < (unsigned int)dml_pow(2, 17));
1544
1545	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
1546
1547	dml_print(
1548			"DML: Trow: %fus\n",
1549			line_time_in_us * (double)dpte_row_height_l / (double)vratio_l);
1550
1551	disp_dlg_regs->refcyc_per_pte_group_nom_l = (unsigned int) ((double) dpte_row_height_l
1552			/ (double) vratio_l * (double) htotal * ref_freq_to_pix_freq
1553			/ (double) dpte_groups_per_row_ub_l);
1554	if (disp_dlg_regs->refcyc_per_pte_group_nom_l >= (unsigned int) dml_pow(2, 23))
1555		disp_dlg_regs->refcyc_per_pte_group_nom_l = dml_pow(2, 23) - 1;
1556	disp_dlg_regs->refcyc_per_meta_chunk_nom_l = (unsigned int) ((double) meta_row_height_l
1557			/ (double) vratio_l * (double) htotal * ref_freq_to_pix_freq
1558			/ (double) meta_chunks_per_row_ub_l);
1559	if (disp_dlg_regs->refcyc_per_meta_chunk_nom_l >= (unsigned int) dml_pow(2, 23))
1560		disp_dlg_regs->refcyc_per_meta_chunk_nom_l = dml_pow(2, 23) - 1;
1561
1562	if (dual_plane) {
1563		disp_dlg_regs->refcyc_per_pte_group_nom_c =
1564				(unsigned int) ((double) dpte_row_height_c / (double) vratio_c
1565						* (double) htotal * ref_freq_to_pix_freq
1566						/ (double) dpte_groups_per_row_ub_c);
1567		if (disp_dlg_regs->refcyc_per_pte_group_nom_c >= (unsigned int) dml_pow(2, 23))
1568			disp_dlg_regs->refcyc_per_pte_group_nom_c = dml_pow(2, 23) - 1;
1569
1570		// TODO: Is this the right calculation? Does htotal need to be halved?
1571		disp_dlg_regs->refcyc_per_meta_chunk_nom_c =
1572				(unsigned int) ((double) meta_row_height_c / (double) vratio_c
1573						* (double) htotal * ref_freq_to_pix_freq
1574						/ (double) meta_chunks_per_row_ub_c);
1575		if (disp_dlg_regs->refcyc_per_meta_chunk_nom_c >= (unsigned int) dml_pow(2, 23))
1576			disp_dlg_regs->refcyc_per_meta_chunk_nom_c = dml_pow(2, 23) - 1;
1577	}
1578
1579	disp_dlg_regs->refcyc_per_line_delivery_pre_l = (unsigned int) dml_floor(
1580			refcyc_per_line_delivery_pre_l, 1);
1581	disp_dlg_regs->refcyc_per_line_delivery_l = (unsigned int) dml_floor(
1582			refcyc_per_line_delivery_l, 1);
1583	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_l < (unsigned int)dml_pow(2, 13));
1584	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_l < (unsigned int)dml_pow(2, 13));
1585
1586	disp_dlg_regs->refcyc_per_line_delivery_pre_c = (unsigned int) dml_floor(
1587			refcyc_per_line_delivery_pre_c, 1);
1588	disp_dlg_regs->refcyc_per_line_delivery_c = (unsigned int) dml_floor(
1589			refcyc_per_line_delivery_c, 1);
1590	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_c < (unsigned int)dml_pow(2, 13));
1591	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_c < (unsigned int)dml_pow(2, 13));
1592
1593	disp_dlg_regs->chunk_hdl_adjust_cur0 = 3;
1594	disp_dlg_regs->dst_y_offset_cur0 = 0;
1595	disp_dlg_regs->chunk_hdl_adjust_cur1 = 3;
1596	disp_dlg_regs->dst_y_offset_cur1 = 0;
1597
1598	disp_dlg_regs->dst_y_delta_drq_limit = 0x7fff; // off
1599
1600	disp_ttu_regs->refcyc_per_req_delivery_pre_l = (unsigned int) (refcyc_per_req_delivery_pre_l
1601			* dml_pow(2, 10));
1602	disp_ttu_regs->refcyc_per_req_delivery_l = (unsigned int) (refcyc_per_req_delivery_l
1603			* dml_pow(2, 10));
1604	disp_ttu_regs->refcyc_per_req_delivery_pre_c = (unsigned int) (refcyc_per_req_delivery_pre_c
1605			* dml_pow(2, 10));
1606	disp_ttu_regs->refcyc_per_req_delivery_c = (unsigned int) (refcyc_per_req_delivery_c
1607			* dml_pow(2, 10));
1608	disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 =
1609			(unsigned int) (refcyc_per_req_delivery_pre_cur0 * dml_pow(2, 10));
1610	disp_ttu_regs->refcyc_per_req_delivery_cur0 = (unsigned int) (refcyc_per_req_delivery_cur0
1611			* dml_pow(2, 10));
1612	disp_ttu_regs->refcyc_per_req_delivery_pre_cur1 =
1613			(unsigned int) (refcyc_per_req_delivery_pre_cur1 * dml_pow(2, 10));
1614	disp_ttu_regs->refcyc_per_req_delivery_cur1 = (unsigned int) (refcyc_per_req_delivery_cur1
1615			* dml_pow(2, 10));
1616	disp_ttu_regs->qos_level_low_wm = 0;
1617	ASSERT(disp_ttu_regs->qos_level_low_wm < dml_pow(2, 14));
1618	disp_ttu_regs->qos_level_high_wm = (unsigned int) (4.0 * (double) htotal
1619			* ref_freq_to_pix_freq);
1620	ASSERT(disp_ttu_regs->qos_level_high_wm < dml_pow(2, 14));
1621
1622	disp_ttu_regs->qos_level_flip = 14;
1623	disp_ttu_regs->qos_level_fixed_l = 8;
1624	disp_ttu_regs->qos_level_fixed_c = 8;
1625	disp_ttu_regs->qos_level_fixed_cur0 = 8;
1626	disp_ttu_regs->qos_ramp_disable_l = 0;
1627	disp_ttu_regs->qos_ramp_disable_c = 0;
1628	disp_ttu_regs->qos_ramp_disable_cur0 = 0;
1629
1630	disp_ttu_regs->min_ttu_vblank = min_ttu_vblank * refclk_freq_in_mhz;
1631	ASSERT(disp_ttu_regs->min_ttu_vblank < dml_pow(2, 24));
1632
1633	print__ttu_regs_st(mode_lib, disp_ttu_regs);
1634	print__dlg_regs_st(mode_lib, disp_dlg_regs);
1635}
1636
1637void dml21_rq_dlg_get_dlg_reg(
1638		struct display_mode_lib *mode_lib,
1639		display_dlg_regs_st *dlg_regs,
1640		display_ttu_regs_st *ttu_regs,
1641		const display_e2e_pipe_params_st *e2e_pipe_param,
1642		const unsigned int num_pipes,
1643		const unsigned int pipe_idx,
1644		const bool cstate_en,
1645		const bool pstate_en,
1646		const bool vm_en,
1647		const bool ignore_viewport_pos,
1648		const bool immediate_flip_support)
1649{
1650	display_rq_params_st rq_param = {0};
1651	display_dlg_sys_params_st dlg_sys_param = {0};
1652
1653	// Get watermark and Tex.
1654	dlg_sys_param.t_urg_wm_us = get_wm_urgent(mode_lib, e2e_pipe_param, num_pipes);
1655	dlg_sys_param.deepsleep_dcfclk_mhz = get_clk_dcf_deepsleep(
1656			mode_lib,
1657			e2e_pipe_param,
1658			num_pipes);
1659	dlg_sys_param.t_extra_us = get_urgent_extra_latency(mode_lib, e2e_pipe_param, num_pipes);
1660	dlg_sys_param.mem_trip_us = get_wm_memory_trip(mode_lib, e2e_pipe_param, num_pipes);
1661	dlg_sys_param.t_mclk_wm_us = get_wm_dram_clock_change(mode_lib, e2e_pipe_param, num_pipes);
1662	dlg_sys_param.t_sr_wm_us = get_wm_stutter_enter_exit(mode_lib, e2e_pipe_param, num_pipes);
1663	dlg_sys_param.total_flip_bw = get_total_immediate_flip_bw(
1664			mode_lib,
1665			e2e_pipe_param,
1666			num_pipes);
1667	dlg_sys_param.total_flip_bytes = get_total_immediate_flip_bytes(
1668			mode_lib,
1669			e2e_pipe_param,
1670			num_pipes);
1671
1672	print__dlg_sys_params_st(mode_lib, &dlg_sys_param);
1673
1674	// system parameter calculation done
1675
1676	dml_print("DML_DLG: Calculation for pipe[%d] start\n\n", pipe_idx);
1677	dml_rq_dlg_get_rq_params(mode_lib, &rq_param, &e2e_pipe_param[pipe_idx].pipe);
1678	dml_rq_dlg_get_dlg_params(
1679			mode_lib,
1680			e2e_pipe_param,
1681			num_pipes,
1682			pipe_idx,
1683			dlg_regs,
1684			ttu_regs,
1685			&rq_param.dlg,
1686			&dlg_sys_param,
1687			cstate_en,
1688			pstate_en);
1689	dml_print("DML_DLG: Calculation for pipe[%d] end\n", pipe_idx);
1690}
1691
1692static void calculate_ttu_cursor(
1693		struct display_mode_lib *mode_lib,
1694		double *refcyc_per_req_delivery_pre_cur,
1695		double *refcyc_per_req_delivery_cur,
1696		double refclk_freq_in_mhz,
1697		double ref_freq_to_pix_freq,
1698		double hscale_pixel_rate_l,
1699		double hscl_ratio,
1700		double vratio_pre_l,
1701		double vratio_l,
1702		unsigned int cur_width,
1703		enum cursor_bpp cur_bpp)
1704{
1705	unsigned int cur_src_width = cur_width;
1706	unsigned int cur_req_size = 0;
1707	unsigned int cur_req_width = 0;
1708	double cur_width_ub = 0.0;
1709	double cur_req_per_width = 0.0;
1710	double hactive_cur = 0.0;
1711
1712	ASSERT(cur_src_width <= 256);
1713
1714	*refcyc_per_req_delivery_pre_cur = 0.0;
1715	*refcyc_per_req_delivery_cur = 0.0;
1716	if (cur_src_width > 0) {
1717		unsigned int cur_bit_per_pixel = 0;
1718
1719		if (cur_bpp == dm_cur_2bit) {
1720			cur_req_size = 64; // byte
1721			cur_bit_per_pixel = 2;
1722		} else { // 32bit
1723			cur_bit_per_pixel = 32;
1724			if (cur_src_width >= 1 && cur_src_width <= 16)
1725				cur_req_size = 64;
1726			else if (cur_src_width >= 17 && cur_src_width <= 31)
1727				cur_req_size = 128;
1728			else
1729				cur_req_size = 256;
1730		}
1731
1732		cur_req_width = (double) cur_req_size / ((double) cur_bit_per_pixel / 8.0);
1733		cur_width_ub = dml_ceil((double) cur_src_width / (double) cur_req_width, 1)
1734				* (double) cur_req_width;
1735		cur_req_per_width = cur_width_ub / (double) cur_req_width;
1736		hactive_cur = (double) cur_src_width / hscl_ratio; // FIXME: oswin to think about what to do for cursor
1737
1738		if (vratio_pre_l <= 1.0) {
1739			*refcyc_per_req_delivery_pre_cur = hactive_cur * ref_freq_to_pix_freq
1740					/ (double) cur_req_per_width;
1741		} else {
1742			*refcyc_per_req_delivery_pre_cur = (double) refclk_freq_in_mhz
1743					* (double) cur_src_width / hscale_pixel_rate_l
1744					/ (double) cur_req_per_width;
1745		}
1746
1747		ASSERT(*refcyc_per_req_delivery_pre_cur < dml_pow(2, 13));
1748
1749		if (vratio_l <= 1.0) {
1750			*refcyc_per_req_delivery_cur = hactive_cur * ref_freq_to_pix_freq
1751					/ (double) cur_req_per_width;
1752		} else {
1753			*refcyc_per_req_delivery_cur = (double) refclk_freq_in_mhz
1754					* (double) cur_src_width / hscale_pixel_rate_l
1755					/ (double) cur_req_per_width;
1756		}
1757
1758		dml_print(
1759				"DML_DLG: %s: cur_req_width                     = %d\n",
1760				__func__,
1761				cur_req_width);
1762		dml_print(
1763				"DML_DLG: %s: cur_width_ub                      = %3.2f\n",
1764				__func__,
1765				cur_width_ub);
1766		dml_print(
1767				"DML_DLG: %s: cur_req_per_width                 = %3.2f\n",
1768				__func__,
1769				cur_req_per_width);
1770		dml_print(
1771				"DML_DLG: %s: hactive_cur                       = %3.2f\n",
1772				__func__,
1773				hactive_cur);
1774		dml_print(
1775				"DML_DLG: %s: refcyc_per_req_delivery_pre_cur   = %3.2f\n",
1776				__func__,
1777				*refcyc_per_req_delivery_pre_cur);
1778		dml_print(
1779				"DML_DLG: %s: refcyc_per_req_delivery_cur       = %3.2f\n",
1780				__func__,
1781				*refcyc_per_req_delivery_cur);
1782
1783		ASSERT(*refcyc_per_req_delivery_cur < dml_pow(2, 13));
1784	}
1785}
1786
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