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display_rq_dlg_calc_20v2.c

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linux-6.19.14/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c C
   1/*
   2 * Copyright 2018 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 "display_rq_dlg_calc_20v2.h"
  29
  30// Function: dml20v2_rq_dlg_get_rq_params
  31//  Calculate requestor related parameters that register definition agnostic
  32//  (i.e. this layer does try to separate real values from register definition)
  33// Input:
  34//  pipe_src_param - pipe source configuration (e.g. vp, pitch, etc.)
  35// Output:
  36//  rq_param - values that can be used to setup RQ (e.g. swath_height, plane1_addr, etc.)
  37//
  38static void dml20v2_rq_dlg_get_rq_params(
  39		struct display_mode_lib *mode_lib,
  40		display_rq_params_st * rq_param,
  41		const display_pipe_source_params_st *pipe_src_param);
  42
  43// Function: dml20v2_rq_dlg_get_dlg_params
  44//  Calculate deadline related parameters
  45//
  46static void dml20v2_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
  47		const display_e2e_pipe_params_st *e2e_pipe_param,
  48		const unsigned int num_pipes,
  49		const unsigned int pipe_idx,
  50		display_dlg_regs_st *disp_dlg_regs,
  51		display_ttu_regs_st *disp_ttu_regs,
  52		const display_rq_dlg_params_st *rq_dlg_param,
  53		const display_dlg_sys_params_st *dlg_sys_param,
  54		const bool cstate_en,
  55		const bool pstate_en);
  56/*
  57 * NOTE:
  58 *   This file is gcc-parseable HW gospel, coming straight from HW engineers.
  59 *
  60 * It doesn't adhere to Linux kernel style and sometimes will do things in odd
  61 * ways. Unless there is something clearly wrong with it the code should
  62 * remain as-is as it provides us with a guarantee from HW that it is correct.
  63 */
  64
  65static void calculate_ttu_cursor(struct display_mode_lib *mode_lib,
  66		double *refcyc_per_req_delivery_pre_cur,
  67		double *refcyc_per_req_delivery_cur,
  68		double refclk_freq_in_mhz,
  69		double ref_freq_to_pix_freq,
  70		double hscale_pixel_rate_l,
  71		double hscl_ratio,
  72		double vratio_pre_l,
  73		double vratio_l,
  74		unsigned int cur_width,
  75		enum cursor_bpp cur_bpp);
  76
  77#include "../dml_inline_defs.h"
  78
  79static unsigned int get_bytes_per_element(enum source_format_class source_format, bool is_chroma)
  80{
  81	unsigned int ret_val = 1;
  82
  83	if (source_format == dm_444_16) {
  84		if (!is_chroma)
  85			ret_val = 2;
  86	} else if (source_format == dm_444_32) {
  87		if (!is_chroma)
  88			ret_val = 4;
  89	} else if (source_format == dm_444_64) {
  90		if (!is_chroma)
  91			ret_val = 8;
  92	} else if (source_format == dm_420_8) {
  93		if (is_chroma)
  94			ret_val = 2;
  95		else
  96			ret_val = 1;
  97	} else if (source_format == dm_420_10) {
  98		if (is_chroma)
  99			ret_val = 4;
 100		else
 101			ret_val = 2;
 102	} else if (source_format == dm_444_8) {
 103		ret_val = 1;
 104	}
 105	return ret_val;
 106}
 107
 108static bool is_dual_plane(enum source_format_class source_format)
 109{
 110	bool ret_val = false;
 111
 112	if ((source_format == dm_420_8) || (source_format == dm_420_10))
 113		ret_val = true;
 114
 115	return ret_val;
 116}
 117
 118static double get_refcyc_per_delivery(struct display_mode_lib *mode_lib,
 119		double refclk_freq_in_mhz,
 120		double pclk_freq_in_mhz,
 121		bool odm_combine,
 122		unsigned int recout_width,
 123		unsigned int hactive,
 124		double vratio,
 125		double hscale_pixel_rate,
 126		unsigned int delivery_width,
 127		unsigned int req_per_swath_ub)
 128{
 129	double refcyc_per_delivery = 0.0;
 130
 131	if (vratio <= 1.0) {
 132		if (odm_combine)
 133			refcyc_per_delivery = (double) refclk_freq_in_mhz
 134					* dml_min((double) recout_width, (double) hactive / 2.0)
 135					/ pclk_freq_in_mhz / (double) req_per_swath_ub;
 136		else
 137			refcyc_per_delivery = (double) refclk_freq_in_mhz * (double) recout_width
 138					/ pclk_freq_in_mhz / (double) req_per_swath_ub;
 139	} else {
 140		refcyc_per_delivery = (double) refclk_freq_in_mhz * (double) delivery_width
 141				/ (double) hscale_pixel_rate / (double) req_per_swath_ub;
 142	}
 143
 144	dml_print("DML_DLG: %s: refclk_freq_in_mhz = %3.2f\n", __func__, refclk_freq_in_mhz);
 145	dml_print("DML_DLG: %s: pclk_freq_in_mhz   = %3.2f\n", __func__, pclk_freq_in_mhz);
 146	dml_print("DML_DLG: %s: recout_width       = %d\n", __func__, recout_width);
 147	dml_print("DML_DLG: %s: vratio             = %3.2f\n", __func__, vratio);
 148	dml_print("DML_DLG: %s: req_per_swath_ub   = %d\n", __func__, req_per_swath_ub);
 149	dml_print("DML_DLG: %s: refcyc_per_delivery= %3.2f\n", __func__, refcyc_per_delivery);
 150
 151	return refcyc_per_delivery;
 152
 153}
 154
 155static unsigned int get_blk_size_bytes(const enum source_macro_tile_size tile_size)
 156{
 157	if (tile_size == dm_256k_tile)
 158		return (256 * 1024);
 159	else if (tile_size == dm_64k_tile)
 160		return (64 * 1024);
 161	else
 162		return (4 * 1024);
 163}
 164
 165static void extract_rq_sizing_regs(struct display_mode_lib *mode_lib,
 166		display_data_rq_regs_st *rq_regs,
 167		const display_data_rq_sizing_params_st *rq_sizing)
 168{
 169	dml_print("DML_DLG: %s: rq_sizing param\n", __func__);
 170	print__data_rq_sizing_params_st(mode_lib, rq_sizing);
 171
 172	rq_regs->chunk_size = dml_log2(rq_sizing->chunk_bytes) - 10;
 173
 174	if (rq_sizing->min_chunk_bytes == 0)
 175		rq_regs->min_chunk_size = 0;
 176	else
 177		rq_regs->min_chunk_size = dml_log2(rq_sizing->min_chunk_bytes) - 8 + 1;
 178
 179	rq_regs->meta_chunk_size = dml_log2(rq_sizing->meta_chunk_bytes) - 10;
 180	if (rq_sizing->min_meta_chunk_bytes == 0)
 181		rq_regs->min_meta_chunk_size = 0;
 182	else
 183		rq_regs->min_meta_chunk_size = dml_log2(rq_sizing->min_meta_chunk_bytes) - 6 + 1;
 184
 185	rq_regs->dpte_group_size = dml_log2(rq_sizing->dpte_group_bytes) - 6;
 186	rq_regs->mpte_group_size = dml_log2(rq_sizing->mpte_group_bytes) - 6;
 187}
 188
 189static void extract_rq_regs(struct display_mode_lib *mode_lib,
 190		display_rq_regs_st *rq_regs,
 191		const display_rq_params_st *rq_param)
 192{
 193	unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
 194	unsigned int detile_buf_plane1_addr = 0;
 195
 196	extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_l), &rq_param->sizing.rq_l);
 197
 198	rq_regs->rq_regs_l.pte_row_height_linear = dml_floor(dml_log2(rq_param->dlg.rq_l.dpte_row_height),
 199			1) - 3;
 200
 201	if (rq_param->yuv420) {
 202		extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_c), &rq_param->sizing.rq_c);
 203		rq_regs->rq_regs_c.pte_row_height_linear = dml_floor(dml_log2(rq_param->dlg.rq_c.dpte_row_height),
 204				1) - 3;
 205	}
 206
 207	rq_regs->rq_regs_l.swath_height = dml_log2(rq_param->dlg.rq_l.swath_height);
 208	rq_regs->rq_regs_c.swath_height = dml_log2(rq_param->dlg.rq_c.swath_height);
 209
 210	// TODO: take the max between luma, chroma chunk size?
 211	// okay for now, as we are setting chunk_bytes to 8kb anyways
 212	if (rq_param->sizing.rq_l.chunk_bytes >= 32 * 1024) { //32kb
 213		rq_regs->drq_expansion_mode = 0;
 214	} else {
 215		rq_regs->drq_expansion_mode = 2;
 216	}
 217	rq_regs->prq_expansion_mode = 1;
 218	rq_regs->mrq_expansion_mode = 1;
 219	rq_regs->crq_expansion_mode = 1;
 220
 221	if (rq_param->yuv420) {
 222		if ((double) rq_param->misc.rq_l.stored_swath_bytes
 223				/ (double) rq_param->misc.rq_c.stored_swath_bytes <= 1.5) {
 224			detile_buf_plane1_addr = (detile_buf_size_in_bytes / 2.0 / 64.0); // half to chroma
 225		} else {
 226			detile_buf_plane1_addr = dml_round_to_multiple((unsigned int) ((2.0 * detile_buf_size_in_bytes) / 3.0),
 227					256,
 228					0) / 64.0; // 2/3 to chroma
 229		}
 230	}
 231	rq_regs->plane1_base_address = detile_buf_plane1_addr;
 232}
 233
 234static void handle_det_buf_split(struct display_mode_lib *mode_lib,
 235		display_rq_params_st *rq_param,
 236		const display_pipe_source_params_st *pipe_src_param)
 237{
 238	unsigned int total_swath_bytes = 0;
 239	unsigned int swath_bytes_l = 0;
 240	unsigned int swath_bytes_c = 0;
 241	unsigned int full_swath_bytes_packed_l = 0;
 242	unsigned int full_swath_bytes_packed_c = 0;
 243	bool req128_l = false;
 244	bool req128_c = false;
 245	bool surf_linear = (pipe_src_param->sw_mode == dm_sw_linear);
 246	bool surf_vert = (pipe_src_param->source_scan == dm_vert);
 247	unsigned int log2_swath_height_l = 0;
 248	unsigned int log2_swath_height_c = 0;
 249	unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024;
 250
 251	full_swath_bytes_packed_l = rq_param->misc.rq_l.full_swath_bytes;
 252	full_swath_bytes_packed_c = rq_param->misc.rq_c.full_swath_bytes;
 253
 254	if (rq_param->yuv420_10bpc) {
 255		full_swath_bytes_packed_l = dml_round_to_multiple(rq_param->misc.rq_l.full_swath_bytes * 2 / 3,
 256				256,
 257				1) + 256;
 258		full_swath_bytes_packed_c = dml_round_to_multiple(rq_param->misc.rq_c.full_swath_bytes * 2 / 3,
 259				256,
 260				1) + 256;
 261	}
 262
 263	if (rq_param->yuv420) {
 264		total_swath_bytes = 2 * full_swath_bytes_packed_l + 2 * full_swath_bytes_packed_c;
 265
 266		if (total_swath_bytes <= detile_buf_size_in_bytes) { //full 256b request
 267			req128_l = false;
 268			req128_c = false;
 269			swath_bytes_l = full_swath_bytes_packed_l;
 270			swath_bytes_c = full_swath_bytes_packed_c;
 271		} else { //128b request (for luma only for yuv420 8bpc)
 272			req128_l = true;
 273			req128_c = false;
 274			swath_bytes_l = full_swath_bytes_packed_l / 2;
 275			swath_bytes_c = full_swath_bytes_packed_c;
 276		}
 277		// Note: assumption, the config that pass in will fit into
 278		//       the detiled buffer.
 279	} else {
 280		total_swath_bytes = 2 * full_swath_bytes_packed_l;
 281
 282		if (total_swath_bytes <= detile_buf_size_in_bytes)
 283			req128_l = false;
 284		else
 285			req128_l = true;
 286
 287		swath_bytes_l = total_swath_bytes;
 288		swath_bytes_c = 0;
 289	}
 290	rq_param->misc.rq_l.stored_swath_bytes = swath_bytes_l;
 291	rq_param->misc.rq_c.stored_swath_bytes = swath_bytes_c;
 292
 293	if (surf_linear) {
 294		log2_swath_height_l = 0;
 295		log2_swath_height_c = 0;
 296	} else {
 297		unsigned int swath_height_l;
 298		unsigned int swath_height_c;
 299
 300		if (!surf_vert) {
 301			swath_height_l = rq_param->misc.rq_l.blk256_height;
 302			swath_height_c = rq_param->misc.rq_c.blk256_height;
 303		} else {
 304			swath_height_l = rq_param->misc.rq_l.blk256_width;
 305			swath_height_c = rq_param->misc.rq_c.blk256_width;
 306		}
 307
 308		if (swath_height_l > 0)
 309			log2_swath_height_l = dml_log2(swath_height_l);
 310
 311		if (req128_l && log2_swath_height_l > 0)
 312			log2_swath_height_l -= 1;
 313
 314		if (swath_height_c > 0)
 315			log2_swath_height_c = dml_log2(swath_height_c);
 316	}
 317
 318	rq_param->dlg.rq_l.swath_height = 1 << log2_swath_height_l;
 319	rq_param->dlg.rq_c.swath_height = 1 << log2_swath_height_c;
 320
 321	dml_print("DML_DLG: %s: req128_l = %0d\n", __func__, req128_l);
 322	dml_print("DML_DLG: %s: req128_c = %0d\n", __func__, req128_c);
 323	dml_print("DML_DLG: %s: full_swath_bytes_packed_l = %0d\n",
 324			__func__,
 325			full_swath_bytes_packed_l);
 326	dml_print("DML_DLG: %s: full_swath_bytes_packed_c = %0d\n",
 327			__func__,
 328			full_swath_bytes_packed_c);
 329}
 330
 331static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
 332		display_data_rq_dlg_params_st *rq_dlg_param,
 333		display_data_rq_misc_params_st *rq_misc_param,
 334		display_data_rq_sizing_params_st *rq_sizing_param,
 335		unsigned int vp_width,
 336		unsigned int vp_height,
 337		unsigned int data_pitch,
 338		unsigned int meta_pitch,
 339		unsigned int source_format,
 340		unsigned int tiling,
 341		unsigned int macro_tile_size,
 342		unsigned int source_scan,
 343		unsigned int is_chroma)
 344{
 345	bool surf_linear = (tiling == dm_sw_linear);
 346	bool surf_vert = (source_scan == dm_vert);
 347
 348	unsigned int bytes_per_element;
 349	unsigned int bytes_per_element_y = get_bytes_per_element((enum source_format_class)(source_format),
 350			false);
 351	unsigned int bytes_per_element_c = get_bytes_per_element((enum source_format_class)(source_format),
 352			true);
 353
 354	unsigned int blk256_width = 0;
 355	unsigned int blk256_height = 0;
 356
 357	unsigned int blk256_width_y = 0;
 358	unsigned int blk256_height_y = 0;
 359	unsigned int blk256_width_c = 0;
 360	unsigned int blk256_height_c = 0;
 361	unsigned int log2_bytes_per_element;
 362	unsigned int log2_blk256_width;
 363	unsigned int log2_blk256_height;
 364	unsigned int blk_bytes;
 365	unsigned int log2_blk_bytes;
 366	unsigned int log2_blk_height;
 367	unsigned int log2_blk_width;
 368	unsigned int log2_meta_req_bytes;
 369	unsigned int log2_meta_req_height;
 370	unsigned int log2_meta_req_width;
 371	unsigned int meta_req_width;
 372	unsigned int meta_req_height;
 373	unsigned int log2_meta_row_height;
 374	unsigned int meta_row_width_ub;
 375	unsigned int log2_meta_chunk_bytes;
 376	unsigned int log2_meta_chunk_height;
 377
 378	//full sized meta chunk width in unit of data elements
 379	unsigned int log2_meta_chunk_width;
 380	unsigned int log2_min_meta_chunk_bytes;
 381	unsigned int min_meta_chunk_width;
 382	unsigned int meta_chunk_width;
 383	unsigned int meta_chunk_per_row_int;
 384	unsigned int meta_row_remainder;
 385	unsigned int meta_chunk_threshold;
 386	unsigned int meta_blk_bytes;
 387	unsigned int meta_blk_height;
 388	unsigned int meta_blk_width;
 389	unsigned int meta_surface_bytes;
 390	unsigned int vmpg_bytes;
 391	unsigned int meta_pte_req_per_frame_ub;
 392	unsigned int meta_pte_bytes_per_frame_ub;
 393	const unsigned int log2_vmpg_bytes = dml_log2(mode_lib->soc.vmm_page_size_bytes);
 394	const unsigned int dpte_buf_in_pte_reqs = mode_lib->ip.dpte_buffer_size_in_pte_reqs_luma;
 395	const unsigned int pde_proc_buffer_size_64k_reqs =
 396			mode_lib->ip.pde_proc_buffer_size_64k_reqs;
 397
 398	unsigned int log2_vmpg_height = 0;
 399	unsigned int log2_vmpg_width = 0;
 400	unsigned int log2_dpte_req_height_ptes = 0;
 401	unsigned int log2_dpte_req_height = 0;
 402	unsigned int log2_dpte_req_width = 0;
 403	unsigned int log2_dpte_row_height_linear = 0;
 404	unsigned int log2_dpte_row_height = 0;
 405	unsigned int log2_dpte_group_width = 0;
 406	unsigned int dpte_row_width_ub = 0;
 407	unsigned int dpte_req_height = 0;
 408	unsigned int dpte_req_width = 0;
 409	unsigned int dpte_group_width = 0;
 410	unsigned int log2_dpte_group_bytes = 0;
 411	unsigned int log2_dpte_group_length = 0;
 412	unsigned int pde_buf_entries;
 413	bool yuv420 = (source_format == dm_420_8 || source_format == dm_420_10);
 414
 415	Calculate256BBlockSizes((enum source_format_class)(source_format),
 416			(enum dm_swizzle_mode)(tiling),
 417			bytes_per_element_y,
 418			bytes_per_element_c,
 419			&blk256_height_y,
 420			&blk256_height_c,
 421			&blk256_width_y,
 422			&blk256_width_c);
 423
 424	if (!is_chroma) {
 425		blk256_width = blk256_width_y;
 426		blk256_height = blk256_height_y;
 427		bytes_per_element = bytes_per_element_y;
 428	} else {
 429		blk256_width = blk256_width_c;
 430		blk256_height = blk256_height_c;
 431		bytes_per_element = bytes_per_element_c;
 432	}
 433
 434	log2_bytes_per_element = dml_log2(bytes_per_element);
 435
 436	dml_print("DML_DLG: %s: surf_linear        = %d\n", __func__, surf_linear);
 437	dml_print("DML_DLG: %s: surf_vert          = %d\n", __func__, surf_vert);
 438	dml_print("DML_DLG: %s: blk256_width       = %d\n", __func__, blk256_width);
 439	dml_print("DML_DLG: %s: blk256_height      = %d\n", __func__, blk256_height);
 440
 441	log2_blk256_width = dml_log2((double) blk256_width);
 442	log2_blk256_height = dml_log2((double) blk256_height);
 443	blk_bytes = surf_linear ?
 444			256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
 445	log2_blk_bytes = dml_log2((double) blk_bytes);
 446
 447	// remember log rule
 448	// "+" in log is multiply
 449	// "-" in log is divide
 450	// "/2" is like square root
 451	// blk is vertical biased
 452	if (tiling != dm_sw_linear)
 453		log2_blk_height = log2_blk256_height
 454				+ dml_ceil((double) (log2_blk_bytes - 8) / 2.0, 1);
 455	else
 456		log2_blk_height = 0;  // blk height of 1
 457
 458	log2_blk_width = log2_blk_bytes - log2_bytes_per_element - log2_blk_height;
 459
 460	if (!surf_vert) {
 461		rq_dlg_param->swath_width_ub = dml_round_to_multiple(vp_width - 1, blk256_width, 1)
 462				+ blk256_width;
 463		rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_width;
 464	} else {
 465		rq_dlg_param->swath_width_ub = dml_round_to_multiple(vp_height - 1, blk256_height, 1)
 466				+ blk256_height;
 467		rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_height;
 468	}
 469
 470	if (!surf_vert)
 471		rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_height
 472				* bytes_per_element;
 473	else
 474		rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_width
 475				* bytes_per_element;
 476
 477	rq_misc_param->blk256_height = blk256_height;
 478	rq_misc_param->blk256_width = blk256_width;
 479
 480	// -------
 481	// meta
 482	// -------
 483	log2_meta_req_bytes = 6; // meta request is 64b and is 8x8byte meta element
 484
 485	// each 64b meta request for dcn is 8x8 meta elements and
 486	// a meta element covers one 256b block of the data surface.
 487	log2_meta_req_height = log2_blk256_height + 3; // meta req is 8x8 byte, each byte represent 1 blk256
 488	log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element
 489			- log2_meta_req_height;
 490	meta_req_width = 1 << log2_meta_req_width;
 491	meta_req_height = 1 << log2_meta_req_height;
 492
 493	// the dimensions of a meta row are meta_row_width x meta_row_height in elements.
 494	// calculate upper bound of the meta_row_width
 495	if (!surf_vert) {
 496		log2_meta_row_height = log2_meta_req_height;
 497		meta_row_width_ub = dml_round_to_multiple(vp_width - 1, meta_req_width, 1)
 498				+ meta_req_width;
 499		rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_width;
 500	} else {
 501		log2_meta_row_height = log2_meta_req_width;
 502		meta_row_width_ub = dml_round_to_multiple(vp_height - 1, meta_req_height, 1)
 503				+ meta_req_height;
 504		rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_height;
 505	}
 506	rq_dlg_param->meta_bytes_per_row_ub = rq_dlg_param->meta_req_per_row_ub * 64;
 507
 508	rq_dlg_param->meta_row_height = 1 << log2_meta_row_height;
 509
 510	log2_meta_chunk_bytes = dml_log2(rq_sizing_param->meta_chunk_bytes);
 511	log2_meta_chunk_height = log2_meta_row_height;
 512
 513	//full sized meta chunk width in unit of data elements
 514	log2_meta_chunk_width = log2_meta_chunk_bytes + 8 - log2_bytes_per_element
 515			- log2_meta_chunk_height;
 516	log2_min_meta_chunk_bytes = dml_log2(rq_sizing_param->min_meta_chunk_bytes);
 517	min_meta_chunk_width = 1
 518			<< (log2_min_meta_chunk_bytes + 8 - log2_bytes_per_element
 519					- log2_meta_chunk_height);
 520	meta_chunk_width = 1 << log2_meta_chunk_width;
 521	meta_chunk_per_row_int = (unsigned int) (meta_row_width_ub / meta_chunk_width);
 522	meta_row_remainder = meta_row_width_ub % meta_chunk_width;
 523	meta_chunk_threshold = 0;
 524	meta_blk_bytes = 4096;
 525	meta_blk_height = blk256_height * 64;
 526	meta_blk_width = meta_blk_bytes * 256 / bytes_per_element / meta_blk_height;
 527	meta_surface_bytes = meta_pitch
 528			* (dml_round_to_multiple(vp_height - 1, meta_blk_height, 1) + meta_blk_height)
 529			* bytes_per_element / 256;
 530	vmpg_bytes = mode_lib->soc.vmm_page_size_bytes;
 531	meta_pte_req_per_frame_ub = (dml_round_to_multiple(meta_surface_bytes - vmpg_bytes,
 532			8 * vmpg_bytes,
 533			1) + 8 * vmpg_bytes) / (8 * vmpg_bytes);
 534	meta_pte_bytes_per_frame_ub = meta_pte_req_per_frame_ub * 64; //64B mpte request
 535	rq_dlg_param->meta_pte_bytes_per_frame_ub = meta_pte_bytes_per_frame_ub;
 536
 537	dml_print("DML_DLG: %s: meta_blk_height             = %d\n", __func__, meta_blk_height);
 538	dml_print("DML_DLG: %s: meta_blk_width              = %d\n", __func__, meta_blk_width);
 539	dml_print("DML_DLG: %s: meta_surface_bytes          = %d\n", __func__, meta_surface_bytes);
 540	dml_print("DML_DLG: %s: meta_pte_req_per_frame_ub   = %d\n",
 541			__func__,
 542			meta_pte_req_per_frame_ub);
 543	dml_print("DML_DLG: %s: meta_pte_bytes_per_frame_ub = %d\n",
 544			__func__,
 545			meta_pte_bytes_per_frame_ub);
 546
 547	if (!surf_vert)
 548		meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_width;
 549	else
 550		meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_height;
 551
 552	if (meta_row_remainder <= meta_chunk_threshold)
 553		rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 1;
 554	else
 555		rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 2;
 556
 557	// ------
 558	// dpte
 559	// ------
 560	if (surf_linear) {
 561		log2_vmpg_height = 0;   // one line high
 562	} else {
 563		log2_vmpg_height = (log2_vmpg_bytes - 8) / 2 + log2_blk256_height;
 564	}
 565	log2_vmpg_width = log2_vmpg_bytes - log2_bytes_per_element - log2_vmpg_height;
 566
 567	// only 3 possible shapes for dpte request in dimensions of ptes: 8x1, 4x2, 2x4.
 568	if (surf_linear) { //one 64B PTE request returns 8 PTEs
 569		log2_dpte_req_height_ptes = 0;
 570		log2_dpte_req_width = log2_vmpg_width + 3;
 571		log2_dpte_req_height = 0;
 572	} else if (log2_blk_bytes == 12) { //4KB tile means 4kB page size
 573		//one 64B req gives 8x1 PTEs for 4KB tile
 574		log2_dpte_req_height_ptes = 0;
 575		log2_dpte_req_width = log2_blk_width + 3;
 576		log2_dpte_req_height = log2_blk_height + 0;
 577	} else if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) { // tile block >= 64KB
 578		//two 64B reqs of 2x4 PTEs give 16 PTEs to cover 64KB
 579		log2_dpte_req_height_ptes = 4;
 580		log2_dpte_req_width = log2_blk256_width + 4; // log2_64KB_width
 581		log2_dpte_req_height = log2_blk256_height + 4; // log2_64KB_height
 582	} else { //64KB page size and must 64KB tile block
 583		 //one 64B req gives 8x1 PTEs for 64KB tile
 584		log2_dpte_req_height_ptes = 0;
 585		log2_dpte_req_width = log2_blk_width + 3;
 586		log2_dpte_req_height = log2_blk_height + 0;
 587	}
 588
 589	// The dpte request dimensions in data elements is dpte_req_width x dpte_req_height
 590	// log2_vmpg_width is how much 1 pte represent, now calculating how much a 64b pte req represent
 591	// That depends on the pte shape (i.e. 8x1, 4x2, 2x4)
 592	//log2_dpte_req_height    = log2_vmpg_height + log2_dpte_req_height_ptes;
 593	//log2_dpte_req_width     = log2_vmpg_width + log2_dpte_req_width_ptes;
 594	dpte_req_height = 1 << log2_dpte_req_height;
 595	dpte_req_width = 1 << log2_dpte_req_width;
 596
 597	// calculate pitch dpte row buffer can hold
 598	// round the result down to a power of two.
 599	pde_buf_entries = yuv420 ? (pde_proc_buffer_size_64k_reqs >> 1) : pde_proc_buffer_size_64k_reqs;
 600	if (surf_linear) {
 601		unsigned int dpte_row_height;
 602
 603		log2_dpte_row_height_linear = dml_floor(dml_log2(dml_min(64 * 1024 * pde_buf_entries
 604										/ bytes_per_element,
 605								dpte_buf_in_pte_reqs
 606										* dpte_req_width)
 607								/ data_pitch),
 608				1);
 609
 610		ASSERT(log2_dpte_row_height_linear >= 3);
 611
 612		if (log2_dpte_row_height_linear > 7)
 613			log2_dpte_row_height_linear = 7;
 614
 615		log2_dpte_row_height = log2_dpte_row_height_linear;
 616		// For linear, the dpte row is pitch dependent and the pte requests wrap at the pitch boundary.
 617		// the dpte_row_width_ub is the upper bound of data_pitch*dpte_row_height in elements with this unique buffering.
 618		dpte_row_height = 1 << log2_dpte_row_height;
 619		dpte_row_width_ub = dml_round_to_multiple(data_pitch * dpte_row_height - 1,
 620				dpte_req_width,
 621				1) + dpte_req_width;
 622		rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
 623	} else {
 624		// the upper bound of the dpte_row_width without dependency on viewport position follows.
 625		// for tiled mode, row height is the same as req height and row store up to vp size upper bound
 626		if (!surf_vert) {
 627			log2_dpte_row_height = log2_dpte_req_height;
 628			dpte_row_width_ub = dml_round_to_multiple(vp_width - 1, dpte_req_width, 1)
 629					+ dpte_req_width;
 630			rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
 631		} else {
 632			log2_dpte_row_height =
 633					(log2_blk_width < log2_dpte_req_width) ?
 634							log2_blk_width : log2_dpte_req_width;
 635			dpte_row_width_ub = dml_round_to_multiple(vp_height - 1, dpte_req_height, 1)
 636					+ dpte_req_height;
 637			rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_height;
 638		}
 639	}
 640	if (log2_blk_bytes >= 16 && log2_vmpg_bytes == 12) // tile block >= 64KB
 641		rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 128; //2*64B dpte request
 642	else
 643		rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 64; //64B dpte request
 644
 645	rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height;
 646
 647	// the dpte_group_bytes is reduced for the specific case of vertical
 648	// access of a tile surface that has dpte request of 8x1 ptes.
 649	if (!surf_linear && (log2_dpte_req_height_ptes == 0) && surf_vert) //reduced, in this case, will have page fault within a group
 650		rq_sizing_param->dpte_group_bytes = 512;
 651	else
 652		//full size
 653		rq_sizing_param->dpte_group_bytes = 2048;
 654
 655	//since pte request size is 64byte, the number of data pte requests per full sized group is as follows.
 656	log2_dpte_group_bytes = dml_log2(rq_sizing_param->dpte_group_bytes);
 657	log2_dpte_group_length = log2_dpte_group_bytes - 6; //length in 64b requests
 658
 659	// full sized data pte group width in elements
 660	if (!surf_vert)
 661		log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_width;
 662	else
 663		log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_height;
 664
 665	//But if the tile block >=64KB and the page size is 4KB, then each dPTE request is 2*64B
 666	if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) // tile block >= 64KB
 667		log2_dpte_group_width = log2_dpte_group_width - 1;
 668
 669	dpte_group_width = 1 << log2_dpte_group_width;
 670
 671	// since dpte groups are only aligned to dpte_req_width and not dpte_group_width,
 672	// the upper bound for the dpte groups per row is as follows.
 673	rq_dlg_param->dpte_groups_per_row_ub = dml_ceil((double) dpte_row_width_ub / dpte_group_width,
 674			1);
 675}
 676
 677static void get_surf_rq_param(struct display_mode_lib *mode_lib,
 678		display_data_rq_sizing_params_st *rq_sizing_param,
 679		display_data_rq_dlg_params_st *rq_dlg_param,
 680		display_data_rq_misc_params_st *rq_misc_param,
 681		const display_pipe_source_params_st *pipe_src_param,
 682		bool is_chroma)
 683{
 684	unsigned int vp_width = 0;
 685	unsigned int vp_height = 0;
 686	unsigned int data_pitch = 0;
 687	unsigned int meta_pitch = 0;
 688	unsigned int ppe = 1;
 689
 690	// TODO check if ppe apply for both luma and chroma in 422 case
 691	if (is_chroma) {
 692		vp_width = pipe_src_param->viewport_width_c / ppe;
 693		vp_height = pipe_src_param->viewport_height_c;
 694		data_pitch = pipe_src_param->data_pitch_c;
 695		meta_pitch = pipe_src_param->meta_pitch_c;
 696	} else {
 697		vp_width = pipe_src_param->viewport_width / ppe;
 698		vp_height = pipe_src_param->viewport_height;
 699		data_pitch = pipe_src_param->data_pitch;
 700		meta_pitch = pipe_src_param->meta_pitch;
 701	}
 702
 703	rq_sizing_param->chunk_bytes = 8192;
 704
 705	if (rq_sizing_param->chunk_bytes == 64 * 1024)
 706		rq_sizing_param->min_chunk_bytes = 0;
 707	else
 708		rq_sizing_param->min_chunk_bytes = 1024;
 709
 710	rq_sizing_param->meta_chunk_bytes = 2048;
 711	rq_sizing_param->min_meta_chunk_bytes = 256;
 712
 713	rq_sizing_param->mpte_group_bytes = 2048;
 714
 715	get_meta_and_pte_attr(mode_lib,
 716			rq_dlg_param,
 717			rq_misc_param,
 718			rq_sizing_param,
 719			vp_width,
 720			vp_height,
 721			data_pitch,
 722			meta_pitch,
 723			pipe_src_param->source_format,
 724			pipe_src_param->sw_mode,
 725			pipe_src_param->macro_tile_size,
 726			pipe_src_param->source_scan,
 727			is_chroma);
 728}
 729
 730static void dml20v2_rq_dlg_get_rq_params(struct display_mode_lib *mode_lib,
 731		display_rq_params_st *rq_param,
 732		const display_pipe_source_params_st *pipe_src_param)
 733{
 734	// get param for luma surface
 735	rq_param->yuv420 = pipe_src_param->source_format == dm_420_8
 736			|| pipe_src_param->source_format == dm_420_10;
 737	rq_param->yuv420_10bpc = pipe_src_param->source_format == dm_420_10;
 738
 739	get_surf_rq_param(mode_lib,
 740			&(rq_param->sizing.rq_l),
 741			&(rq_param->dlg.rq_l),
 742			&(rq_param->misc.rq_l),
 743			pipe_src_param,
 744			0);
 745
 746	if (is_dual_plane((enum source_format_class)(pipe_src_param->source_format))) {
 747		// get param for chroma surface
 748		get_surf_rq_param(mode_lib,
 749				&(rq_param->sizing.rq_c),
 750				&(rq_param->dlg.rq_c),
 751				&(rq_param->misc.rq_c),
 752				pipe_src_param,
 753				1);
 754	}
 755
 756	// calculate how to split the det buffer space between luma and chroma
 757	handle_det_buf_split(mode_lib, rq_param, pipe_src_param);
 758	print__rq_params_st(mode_lib, rq_param);
 759}
 760
 761void dml20v2_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
 762		display_rq_regs_st *rq_regs,
 763		const display_pipe_params_st *pipe_param)
 764{
 765	display_rq_params_st rq_param = {0};
 766
 767	memset(rq_regs, 0, sizeof(*rq_regs));
 768	dml20v2_rq_dlg_get_rq_params(mode_lib, &rq_param, &pipe_param->src);
 769	extract_rq_regs(mode_lib, rq_regs, &rq_param);
 770
 771	print__rq_regs_st(mode_lib, rq_regs);
 772}
 773
 774// Note: currently taken in as is.
 775// Nice to decouple code from hw register implement and extract code that are repeated for luma and chroma.
 776static void dml20v2_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
 777		const display_e2e_pipe_params_st *e2e_pipe_param,
 778		const unsigned int num_pipes,
 779		const unsigned int pipe_idx,
 780		display_dlg_regs_st *disp_dlg_regs,
 781		display_ttu_regs_st *disp_ttu_regs,
 782		const display_rq_dlg_params_st *rq_dlg_param,
 783		const display_dlg_sys_params_st *dlg_sys_param,
 784		const bool cstate_en,
 785		const bool pstate_en)
 786{
 787	const display_pipe_source_params_st *src = &e2e_pipe_param[pipe_idx].pipe.src;
 788	const display_pipe_dest_params_st *dst = &e2e_pipe_param[pipe_idx].pipe.dest;
 789	const display_output_params_st *dout = &e2e_pipe_param[pipe_idx].dout;
 790	const display_clocks_and_cfg_st *clks = &e2e_pipe_param[pipe_idx].clks_cfg;
 791	const scaler_ratio_depth_st *scl = &e2e_pipe_param[pipe_idx].pipe.scale_ratio_depth;
 792	const scaler_taps_st *taps = &e2e_pipe_param[pipe_idx].pipe.scale_taps;
 793
 794	// -------------------------
 795	// Section 1.15.2.1: OTG dependent Params
 796	// -------------------------
 797	// Timing
 798	unsigned int htotal = dst->htotal;
 799//    unsigned int hblank_start = dst.hblank_start; // TODO: Remove
 800	unsigned int hblank_end = dst->hblank_end;
 801	unsigned int vblank_start = dst->vblank_start;
 802	unsigned int vblank_end = dst->vblank_end;
 803	unsigned int min_vblank = mode_lib->ip.min_vblank_lines;
 804
 805	double dppclk_freq_in_mhz = clks->dppclk_mhz;
 806	double dispclk_freq_in_mhz = clks->dispclk_mhz;
 807	double refclk_freq_in_mhz = clks->refclk_mhz;
 808	double pclk_freq_in_mhz = dst->pixel_rate_mhz;
 809	bool interlaced = dst->interlaced;
 810
 811	double ref_freq_to_pix_freq = refclk_freq_in_mhz / pclk_freq_in_mhz;
 812
 813	double min_dcfclk_mhz;
 814	double t_calc_us;
 815	double min_ttu_vblank;
 816
 817	double min_dst_y_ttu_vblank;
 818	unsigned int dlg_vblank_start;
 819	bool dual_plane;
 820	unsigned int access_dir;
 821	unsigned int vp_height_l;
 822	unsigned int vp_width_l;
 823	unsigned int vp_height_c;
 824	unsigned int vp_width_c;
 825
 826	// Scaling
 827	unsigned int htaps_l;
 828	unsigned int htaps_c;
 829	double hratio_l;
 830	double hratio_c;
 831	double vratio_l;
 832	double vratio_c;
 833	bool scl_enable;
 834
 835	double line_time_in_us;
 836	//    double vinit_l;
 837	//    double vinit_c;
 838	//    double vinit_bot_l;
 839	//    double vinit_bot_c;
 840
 841	//    unsigned int swath_height_l;
 842	unsigned int swath_width_ub_l;
 843	//    unsigned int dpte_bytes_per_row_ub_l;
 844	unsigned int dpte_groups_per_row_ub_l;
 845	//    unsigned int meta_pte_bytes_per_frame_ub_l;
 846	//    unsigned int meta_bytes_per_row_ub_l;
 847
 848	//    unsigned int swath_height_c;
 849	unsigned int swath_width_ub_c;
 850	//   unsigned int dpte_bytes_per_row_ub_c;
 851	unsigned int dpte_groups_per_row_ub_c;
 852
 853	unsigned int meta_chunks_per_row_ub_l;
 854	unsigned int meta_chunks_per_row_ub_c;
 855	unsigned int vupdate_offset;
 856	unsigned int vupdate_width;
 857	unsigned int vready_offset;
 858
 859	unsigned int dppclk_delay_subtotal;
 860	unsigned int dispclk_delay_subtotal;
 861	unsigned int pixel_rate_delay_subtotal;
 862
 863	unsigned int vstartup_start;
 864	unsigned int dst_x_after_scaler;
 865	unsigned int dst_y_after_scaler;
 866	double line_wait;
 867	double dst_y_prefetch;
 868	double dst_y_per_vm_vblank;
 869	double dst_y_per_row_vblank;
 870	double dst_y_per_vm_flip;
 871	double dst_y_per_row_flip;
 872	double min_dst_y_per_vm_vblank;
 873	double min_dst_y_per_row_vblank;
 874	double lsw;
 875	double vratio_pre_l;
 876	double vratio_pre_c;
 877	unsigned int req_per_swath_ub_l;
 878	unsigned int req_per_swath_ub_c;
 879	unsigned int meta_row_height_l;
 880	unsigned int meta_row_height_c;
 881	unsigned int swath_width_pixels_ub_l;
 882	unsigned int swath_width_pixels_ub_c;
 883	unsigned int scaler_rec_in_width_l;
 884	unsigned int scaler_rec_in_width_c;
 885	unsigned int dpte_row_height_l;
 886	unsigned int dpte_row_height_c;
 887	double hscale_pixel_rate_l;
 888	double hscale_pixel_rate_c;
 889	double min_hratio_fact_l;
 890	double min_hratio_fact_c;
 891	double refcyc_per_line_delivery_pre_l;
 892	double refcyc_per_line_delivery_pre_c;
 893	double refcyc_per_line_delivery_l;
 894	double refcyc_per_line_delivery_c;
 895
 896	double refcyc_per_req_delivery_pre_l;
 897	double refcyc_per_req_delivery_pre_c;
 898	double refcyc_per_req_delivery_l;
 899	double refcyc_per_req_delivery_c;
 900
 901	unsigned int full_recout_width;
 902	double refcyc_per_req_delivery_pre_cur0;
 903	double refcyc_per_req_delivery_cur0;
 904	double refcyc_per_req_delivery_pre_cur1;
 905	double refcyc_per_req_delivery_cur1;
 906
 907	memset(disp_dlg_regs, 0, sizeof(*disp_dlg_regs));
 908	memset(disp_ttu_regs, 0, sizeof(*disp_ttu_regs));
 909
 910	dml_print("DML_DLG: %s:  cstate_en = %d\n", __func__, cstate_en);
 911	dml_print("DML_DLG: %s:  pstate_en = %d\n", __func__, pstate_en);
 912
 913	dml_print("DML_DLG: %s: dppclk_freq_in_mhz     = %3.2f\n", __func__, dppclk_freq_in_mhz);
 914	dml_print("DML_DLG: %s: dispclk_freq_in_mhz    = %3.2f\n", __func__, dispclk_freq_in_mhz);
 915	dml_print("DML_DLG: %s: refclk_freq_in_mhz     = %3.2f\n", __func__, refclk_freq_in_mhz);
 916	dml_print("DML_DLG: %s: pclk_freq_in_mhz       = %3.2f\n", __func__, pclk_freq_in_mhz);
 917	dml_print("DML_DLG: %s: interlaced             = %d\n", __func__, interlaced);
 918	ASSERT(ref_freq_to_pix_freq < 4.0);
 919
 920	disp_dlg_regs->ref_freq_to_pix_freq =
 921			(unsigned int) (ref_freq_to_pix_freq * dml_pow(2, 19));
 922	disp_dlg_regs->refcyc_per_htotal = (unsigned int) (ref_freq_to_pix_freq * (double) htotal
 923			* dml_pow(2, 8));
 924	disp_dlg_regs->dlg_vblank_end = interlaced ? (vblank_end / 2) : vblank_end; // 15 bits
 925	disp_dlg_regs->refcyc_h_blank_end = (unsigned int) ((double) hblank_end
 926			* (double) ref_freq_to_pix_freq);
 927	ASSERT(disp_dlg_regs->refcyc_h_blank_end < (unsigned int) dml_pow(2, 13));
 928
 929	min_dcfclk_mhz = dlg_sys_param->deepsleep_dcfclk_mhz;
 930	t_calc_us = get_tcalc(mode_lib, e2e_pipe_param, num_pipes);
 931	min_ttu_vblank = get_min_ttu_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
 932
 933	min_dst_y_ttu_vblank = min_ttu_vblank * pclk_freq_in_mhz / (double) htotal;
 934	dlg_vblank_start = interlaced ? (vblank_start / 2) : vblank_start;
 935
 936	disp_dlg_regs->min_dst_y_next_start = (unsigned int) (((double) dlg_vblank_start
 937			+ min_dst_y_ttu_vblank) * dml_pow(2, 2));
 938	ASSERT(disp_dlg_regs->min_dst_y_next_start < (unsigned int) dml_pow(2, 18));
 939
 940	dml_print("DML_DLG: %s: min_dcfclk_mhz                         = %3.2f\n",
 941			__func__,
 942			min_dcfclk_mhz);
 943	dml_print("DML_DLG: %s: min_ttu_vblank                         = %3.2f\n",
 944			__func__,
 945			min_ttu_vblank);
 946	dml_print("DML_DLG: %s: min_dst_y_ttu_vblank                   = %3.2f\n",
 947			__func__,
 948			min_dst_y_ttu_vblank);
 949	dml_print("DML_DLG: %s: t_calc_us                              = %3.2f\n",
 950			__func__,
 951			t_calc_us);
 952	dml_print("DML_DLG: %s: disp_dlg_regs->min_dst_y_next_start    = 0x%0x\n",
 953			__func__,
 954			disp_dlg_regs->min_dst_y_next_start);
 955	dml_print("DML_DLG: %s: ref_freq_to_pix_freq                   = %3.2f\n",
 956			__func__,
 957			ref_freq_to_pix_freq);
 958
 959	// -------------------------
 960	// Section 1.15.2.2: Prefetch, Active and TTU
 961	// -------------------------
 962	// Prefetch Calc
 963	// Source
 964//             dcc_en              = src.dcc;
 965	dual_plane = is_dual_plane((enum source_format_class)(src->source_format));
 966	access_dir = (src->source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
 967//      bytes_per_element_l = get_bytes_per_element(source_format_class(src.source_format), 0);
 968//      bytes_per_element_c = get_bytes_per_element(source_format_class(src.source_format), 1);
 969	vp_height_l = src->viewport_height;
 970	vp_width_l = src->viewport_width;
 971	vp_height_c = src->viewport_height_c;
 972	vp_width_c = src->viewport_width_c;
 973
 974	// Scaling
 975	htaps_l = taps->htaps;
 976	htaps_c = taps->htaps_c;
 977	hratio_l = scl->hscl_ratio;
 978	hratio_c = scl->hscl_ratio_c;
 979	vratio_l = scl->vscl_ratio;
 980	vratio_c = scl->vscl_ratio_c;
 981	scl_enable = scl->scl_enable;
 982
 983	line_time_in_us = (htotal / pclk_freq_in_mhz);
 984//     vinit_l         = scl.vinit;
 985//     vinit_c         = scl.vinit_c;
 986//     vinit_bot_l     = scl.vinit_bot;
 987//     vinit_bot_c     = scl.vinit_bot_c;
 988
 989//    unsigned int swath_height_l                 = rq_dlg_param->rq_l.swath_height;
 990	swath_width_ub_l = rq_dlg_param->rq_l.swath_width_ub;
 991//    unsigned int dpte_bytes_per_row_ub_l        = rq_dlg_param->rq_l.dpte_bytes_per_row_ub;
 992	dpte_groups_per_row_ub_l = rq_dlg_param->rq_l.dpte_groups_per_row_ub;
 993//    unsigned int meta_pte_bytes_per_frame_ub_l  = rq_dlg_param->rq_l.meta_pte_bytes_per_frame_ub;
 994//    unsigned int meta_bytes_per_row_ub_l        = rq_dlg_param->rq_l.meta_bytes_per_row_ub;
 995
 996//    unsigned int swath_height_c                 = rq_dlg_param->rq_c.swath_height;
 997	swath_width_ub_c = rq_dlg_param->rq_c.swath_width_ub;
 998	//   dpte_bytes_per_row_ub_c        = rq_dlg_param->rq_c.dpte_bytes_per_row_ub;
 999	dpte_groups_per_row_ub_c = rq_dlg_param->rq_c.dpte_groups_per_row_ub;
1000
1001	meta_chunks_per_row_ub_l = rq_dlg_param->rq_l.meta_chunks_per_row_ub;
1002	meta_chunks_per_row_ub_c = rq_dlg_param->rq_c.meta_chunks_per_row_ub;
1003	vupdate_offset = dst->vupdate_offset;
1004	vupdate_width = dst->vupdate_width;
1005	vready_offset = dst->vready_offset;
1006
1007	dppclk_delay_subtotal = mode_lib->ip.dppclk_delay_subtotal;
1008	dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal;
1009
1010	if (scl_enable)
1011		dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl;
1012	else
1013		dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl_lb_only;
1014
1015	dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_cnvc_formatter
1016			+ src->num_cursors * mode_lib->ip.dppclk_delay_cnvc_cursor;
1017
1018	if (dout->dsc_enable) {
1019		double dsc_delay = get_dsc_delay(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1020
1021		dispclk_delay_subtotal += dsc_delay;
1022	}
1023
1024	pixel_rate_delay_subtotal = dppclk_delay_subtotal * pclk_freq_in_mhz / dppclk_freq_in_mhz
1025			+ dispclk_delay_subtotal * pclk_freq_in_mhz / dispclk_freq_in_mhz;
1026
1027	vstartup_start = dst->vstartup_start;
1028	if (interlaced) {
1029		if (vstartup_start / 2.0
1030				- (double) (vready_offset + vupdate_width + vupdate_offset) / htotal
1031				<= vblank_end / 2.0)
1032			disp_dlg_regs->vready_after_vcount0 = 1;
1033		else
1034			disp_dlg_regs->vready_after_vcount0 = 0;
1035	} else {
1036		if (vstartup_start
1037				- (double) (vready_offset + vupdate_width + vupdate_offset) / htotal
1038				<= vblank_end)
1039			disp_dlg_regs->vready_after_vcount0 = 1;
1040		else
1041			disp_dlg_regs->vready_after_vcount0 = 0;
1042	}
1043
1044	// TODO: Where is this coming from?
1045	if (interlaced)
1046		vstartup_start = vstartup_start / 2;
1047
1048	// TODO: What if this min_vblank doesn't match the value in the dml_config_settings.cpp?
1049	if (vstartup_start >= min_vblank) {
1050		dml_print("WARNING: DML_DLG: %s: vblank_start=%d vblank_end=%d\n",
1051				__func__,
1052				vblank_start,
1053				vblank_end);
1054		dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",
1055				__func__,
1056				vstartup_start,
1057				min_vblank);
1058		min_vblank = vstartup_start + 1;
1059		dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",
1060				__func__,
1061				vstartup_start,
1062				min_vblank);
1063	}
1064
1065	dst_x_after_scaler = get_dst_x_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1066	dst_y_after_scaler = get_dst_y_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1067
1068	dml_print("DML_DLG: %s: htotal                                 = %d\n", __func__, htotal);
1069	dml_print("DML_DLG: %s: pixel_rate_delay_subtotal              = %d\n",
1070			__func__,
1071			pixel_rate_delay_subtotal);
1072	dml_print("DML_DLG: %s: dst_x_after_scaler                     = %d\n",
1073			__func__,
1074			dst_x_after_scaler);
1075	dml_print("DML_DLG: %s: dst_y_after_scaler                     = %d\n",
1076			__func__,
1077			dst_y_after_scaler);
1078
1079	// Lwait
1080	line_wait = mode_lib->soc.urgent_latency_us;
1081	if (cstate_en)
1082		line_wait = dml_max(mode_lib->soc.sr_enter_plus_exit_time_us, line_wait);
1083	if (pstate_en)
1084		line_wait = dml_max(mode_lib->soc.dram_clock_change_latency_us
1085						+ mode_lib->soc.urgent_latency_us,
1086				line_wait);
1087	line_wait = line_wait / line_time_in_us;
1088
1089	dst_y_prefetch = get_dst_y_prefetch(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1090	dml_print("DML_DLG: %s: dst_y_prefetch (after rnd) = %3.2f\n", __func__, dst_y_prefetch);
1091
1092	dst_y_per_vm_vblank = get_dst_y_per_vm_vblank(mode_lib,
1093			e2e_pipe_param,
1094			num_pipes,
1095			pipe_idx);
1096	dst_y_per_row_vblank = get_dst_y_per_row_vblank(mode_lib,
1097			e2e_pipe_param,
1098			num_pipes,
1099			pipe_idx);
1100	dst_y_per_vm_flip = get_dst_y_per_vm_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1101	dst_y_per_row_flip = get_dst_y_per_row_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1102
1103	min_dst_y_per_vm_vblank = 8.0;
1104	min_dst_y_per_row_vblank = 16.0;
1105
1106	// magic!
1107	if (htotal <= 75) {
1108		min_vblank = 300;
1109		min_dst_y_per_vm_vblank = 100.0;
1110		min_dst_y_per_row_vblank = 100.0;
1111	}
1112
1113	dml_print("DML_DLG: %s: dst_y_per_vm_vblank    = %3.2f\n", __func__, dst_y_per_vm_vblank);
1114	dml_print("DML_DLG: %s: dst_y_per_row_vblank   = %3.2f\n", __func__, dst_y_per_row_vblank);
1115
1116	ASSERT(dst_y_per_vm_vblank < min_dst_y_per_vm_vblank);
1117	ASSERT(dst_y_per_row_vblank < min_dst_y_per_row_vblank);
1118
1119	ASSERT(dst_y_prefetch > (dst_y_per_vm_vblank + dst_y_per_row_vblank));
1120	lsw = dst_y_prefetch - (dst_y_per_vm_vblank + dst_y_per_row_vblank);
1121
1122	dml_print("DML_DLG: %s: lsw = %3.2f\n", __func__, lsw);
1123
1124	vratio_pre_l = get_vratio_prefetch_l(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1125	vratio_pre_c = get_vratio_prefetch_c(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1126
1127	dml_print("DML_DLG: %s: vratio_pre_l=%3.2f\n", __func__, vratio_pre_l);
1128	dml_print("DML_DLG: %s: vratio_pre_c=%3.2f\n", __func__, vratio_pre_c);
1129
1130	// Active
1131	req_per_swath_ub_l = rq_dlg_param->rq_l.req_per_swath_ub;
1132	req_per_swath_ub_c = rq_dlg_param->rq_c.req_per_swath_ub;
1133	meta_row_height_l = rq_dlg_param->rq_l.meta_row_height;
1134	meta_row_height_c = rq_dlg_param->rq_c.meta_row_height;
1135	swath_width_pixels_ub_l = 0;
1136	swath_width_pixels_ub_c = 0;
1137	scaler_rec_in_width_l = 0;
1138	scaler_rec_in_width_c = 0;
1139	dpte_row_height_l = rq_dlg_param->rq_l.dpte_row_height;
1140	dpte_row_height_c = rq_dlg_param->rq_c.dpte_row_height;
1141
1142	swath_width_pixels_ub_l = swath_width_ub_l;
1143	swath_width_pixels_ub_c = swath_width_ub_c;
1144
1145	if (htaps_l <= 1)
1146		min_hratio_fact_l = 2.0;
1147	else if (htaps_l <= 6) {
1148		if ((hratio_l * 2.0) > 4.0)
1149			min_hratio_fact_l = 4.0;
1150		else
1151			min_hratio_fact_l = hratio_l * 2.0;
1152	} else {
1153		if (hratio_l > 4.0)
1154			min_hratio_fact_l = 4.0;
1155		else
1156			min_hratio_fact_l = hratio_l;
1157	}
1158
1159	hscale_pixel_rate_l = min_hratio_fact_l * dppclk_freq_in_mhz;
1160
1161	if (htaps_c <= 1)
1162		min_hratio_fact_c = 2.0;
1163	else if (htaps_c <= 6) {
1164		if ((hratio_c * 2.0) > 4.0)
1165			min_hratio_fact_c = 4.0;
1166		else
1167			min_hratio_fact_c = hratio_c * 2.0;
1168	} else {
1169		if (hratio_c > 4.0)
1170			min_hratio_fact_c = 4.0;
1171		else
1172			min_hratio_fact_c = hratio_c;
1173	}
1174
1175	hscale_pixel_rate_c = min_hratio_fact_c * dppclk_freq_in_mhz;
1176
1177	refcyc_per_line_delivery_pre_l = 0.;
1178	refcyc_per_line_delivery_pre_c = 0.;
1179	refcyc_per_line_delivery_l = 0.;
1180	refcyc_per_line_delivery_c = 0.;
1181
1182	refcyc_per_req_delivery_pre_l = 0.;
1183	refcyc_per_req_delivery_pre_c = 0.;
1184	refcyc_per_req_delivery_l = 0.;
1185	refcyc_per_req_delivery_c = 0.;
1186
1187	full_recout_width = 0;
1188	// In ODM
1189	if (src->is_hsplit) {
1190		// This "hack"  is only allowed (and valid) for MPC combine. In ODM
1191		// combine, you MUST specify the full_recout_width...according to Oswin
1192		if (dst->full_recout_width == 0 && !dst->odm_combine) {
1193			dml_print("DML_DLG: %s: Warning: full_recout_width not set in hsplit mode\n",
1194					__func__);
1195			full_recout_width = dst->recout_width * 2; // assume half split for dcn1
1196		} else
1197			full_recout_width = dst->full_recout_width;
1198	} else
1199		full_recout_width = dst->recout_width;
1200
1201	// As of DCN2, mpc_combine and odm_combine are mutually exclusive
1202	refcyc_per_line_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
1203			refclk_freq_in_mhz,
1204			pclk_freq_in_mhz,
1205			dst->odm_combine,
1206			full_recout_width,
1207			dst->hactive,
1208			vratio_pre_l,
1209			hscale_pixel_rate_l,
1210			swath_width_pixels_ub_l,
1211			1); // per line
1212
1213	refcyc_per_line_delivery_l = get_refcyc_per_delivery(mode_lib,
1214			refclk_freq_in_mhz,
1215			pclk_freq_in_mhz,
1216			dst->odm_combine,
1217			full_recout_width,
1218			dst->hactive,
1219			vratio_l,
1220			hscale_pixel_rate_l,
1221			swath_width_pixels_ub_l,
1222			1); // per line
1223
1224	dml_print("DML_DLG: %s: full_recout_width              = %d\n",
1225			__func__,
1226			full_recout_width);
1227	dml_print("DML_DLG: %s: hscale_pixel_rate_l            = %3.2f\n",
1228			__func__,
1229			hscale_pixel_rate_l);
1230	dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_l = %3.2f\n",
1231			__func__,
1232			refcyc_per_line_delivery_pre_l);
1233	dml_print("DML_DLG: %s: refcyc_per_line_delivery_l     = %3.2f\n",
1234			__func__,
1235			refcyc_per_line_delivery_l);
1236
1237	if (dual_plane) {
1238		refcyc_per_line_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
1239				refclk_freq_in_mhz,
1240				pclk_freq_in_mhz,
1241				dst->odm_combine,
1242				full_recout_width,
1243				dst->hactive,
1244				vratio_pre_c,
1245				hscale_pixel_rate_c,
1246				swath_width_pixels_ub_c,
1247				1); // per line
1248
1249		refcyc_per_line_delivery_c = get_refcyc_per_delivery(mode_lib,
1250				refclk_freq_in_mhz,
1251				pclk_freq_in_mhz,
1252				dst->odm_combine,
1253				full_recout_width,
1254				dst->hactive,
1255				vratio_c,
1256				hscale_pixel_rate_c,
1257				swath_width_pixels_ub_c,
1258				1);  // per line
1259
1260		dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_c = %3.2f\n",
1261				__func__,
1262				refcyc_per_line_delivery_pre_c);
1263		dml_print("DML_DLG: %s: refcyc_per_line_delivery_c     = %3.2f\n",
1264				__func__,
1265				refcyc_per_line_delivery_c);
1266	}
1267
1268	// TTU - Luma / Chroma
1269	if (access_dir) {  // vertical access
1270		scaler_rec_in_width_l = vp_height_l;
1271		scaler_rec_in_width_c = vp_height_c;
1272	} else {
1273		scaler_rec_in_width_l = vp_width_l;
1274		scaler_rec_in_width_c = vp_width_c;
1275	}
1276
1277	refcyc_per_req_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
1278			refclk_freq_in_mhz,
1279			pclk_freq_in_mhz,
1280			dst->odm_combine,
1281			full_recout_width,
1282			dst->hactive,
1283			vratio_pre_l,
1284			hscale_pixel_rate_l,
1285			scaler_rec_in_width_l,
1286			req_per_swath_ub_l);  // per req
1287	refcyc_per_req_delivery_l = get_refcyc_per_delivery(mode_lib,
1288			refclk_freq_in_mhz,
1289			pclk_freq_in_mhz,
1290			dst->odm_combine,
1291			full_recout_width,
1292			dst->hactive,
1293			vratio_l,
1294			hscale_pixel_rate_l,
1295			scaler_rec_in_width_l,
1296			req_per_swath_ub_l);  // per req
1297
1298	dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_l = %3.2f\n",
1299			__func__,
1300			refcyc_per_req_delivery_pre_l);
1301	dml_print("DML_DLG: %s: refcyc_per_req_delivery_l     = %3.2f\n",
1302			__func__,
1303			refcyc_per_req_delivery_l);
1304
1305	ASSERT(refcyc_per_req_delivery_pre_l < dml_pow(2, 13));
1306	ASSERT(refcyc_per_req_delivery_l < dml_pow(2, 13));
1307
1308	if (dual_plane) {
1309		refcyc_per_req_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
1310				refclk_freq_in_mhz,
1311				pclk_freq_in_mhz,
1312				dst->odm_combine,
1313				full_recout_width,
1314				dst->hactive,
1315				vratio_pre_c,
1316				hscale_pixel_rate_c,
1317				scaler_rec_in_width_c,
1318				req_per_swath_ub_c);  // per req
1319		refcyc_per_req_delivery_c = get_refcyc_per_delivery(mode_lib,
1320				refclk_freq_in_mhz,
1321				pclk_freq_in_mhz,
1322				dst->odm_combine,
1323				full_recout_width,
1324				dst->hactive,
1325				vratio_c,
1326				hscale_pixel_rate_c,
1327				scaler_rec_in_width_c,
1328				req_per_swath_ub_c);  // per req
1329
1330		dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_c = %3.2f\n",
1331				__func__,
1332				refcyc_per_req_delivery_pre_c);
1333		dml_print("DML_DLG: %s: refcyc_per_req_delivery_c     = %3.2f\n",
1334				__func__,
1335				refcyc_per_req_delivery_c);
1336
1337		ASSERT(refcyc_per_req_delivery_pre_c < dml_pow(2, 13));
1338		ASSERT(refcyc_per_req_delivery_c < dml_pow(2, 13));
1339	}
1340
1341	// TTU - Cursor
1342	refcyc_per_req_delivery_pre_cur0 = 0.0;
1343	refcyc_per_req_delivery_cur0 = 0.0;
1344	if (src->num_cursors > 0) {
1345		calculate_ttu_cursor(mode_lib,
1346				&refcyc_per_req_delivery_pre_cur0,
1347				&refcyc_per_req_delivery_cur0,
1348				refclk_freq_in_mhz,
1349				ref_freq_to_pix_freq,
1350				hscale_pixel_rate_l,
1351				scl->hscl_ratio,
1352				vratio_pre_l,
1353				vratio_l,
1354				src->cur0_src_width,
1355				(enum cursor_bpp)(src->cur0_bpp));
1356	}
1357
1358	refcyc_per_req_delivery_pre_cur1 = 0.0;
1359	refcyc_per_req_delivery_cur1 = 0.0;
1360	if (src->num_cursors > 1) {
1361		calculate_ttu_cursor(mode_lib,
1362				&refcyc_per_req_delivery_pre_cur1,
1363				&refcyc_per_req_delivery_cur1,
1364				refclk_freq_in_mhz,
1365				ref_freq_to_pix_freq,
1366				hscale_pixel_rate_l,
1367				scl->hscl_ratio,
1368				vratio_pre_l,
1369				vratio_l,
1370				src->cur1_src_width,
1371				(enum cursor_bpp)(src->cur1_bpp));
1372	}
1373
1374	// TTU - Misc
1375	// all hard-coded
1376
1377	// Assignment to register structures
1378	disp_dlg_regs->dst_y_after_scaler = dst_y_after_scaler; // in terms of line
1379	disp_dlg_regs->refcyc_x_after_scaler = dst_x_after_scaler * ref_freq_to_pix_freq; // in terms of refclk
1380	ASSERT(disp_dlg_regs->refcyc_x_after_scaler < (unsigned int) dml_pow(2, 13));
1381	disp_dlg_regs->dst_y_prefetch = (unsigned int) (dst_y_prefetch * dml_pow(2, 2));
1382	disp_dlg_regs->dst_y_per_vm_vblank = (unsigned int) (dst_y_per_vm_vblank * dml_pow(2, 2));
1383	disp_dlg_regs->dst_y_per_row_vblank = (unsigned int) (dst_y_per_row_vblank * dml_pow(2, 2));
1384	disp_dlg_regs->dst_y_per_vm_flip = (unsigned int) (dst_y_per_vm_flip * dml_pow(2, 2));
1385	disp_dlg_regs->dst_y_per_row_flip = (unsigned int) (dst_y_per_row_flip * dml_pow(2, 2));
1386
1387	disp_dlg_regs->vratio_prefetch = (unsigned int) (vratio_pre_l * dml_pow(2, 19));
1388	disp_dlg_regs->vratio_prefetch_c = (unsigned int) (vratio_pre_c * dml_pow(2, 19));
1389
1390	disp_dlg_regs->refcyc_per_pte_group_vblank_l =
1391			(unsigned int) (dst_y_per_row_vblank * (double) htotal
1392					* ref_freq_to_pix_freq / (double) dpte_groups_per_row_ub_l);
1393	ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int) dml_pow(2, 13));
1394
1395	if (dual_plane) {
1396		disp_dlg_regs->refcyc_per_pte_group_vblank_c = (unsigned int) (dst_y_per_row_vblank
1397				* (double) htotal * ref_freq_to_pix_freq
1398				/ (double) dpte_groups_per_row_ub_c);
1399		ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_c
1400						< (unsigned int) dml_pow(2, 13));
1401	}
1402
1403	disp_dlg_regs->refcyc_per_meta_chunk_vblank_l =
1404			(unsigned int) (dst_y_per_row_vblank * (double) htotal
1405					* ref_freq_to_pix_freq / (double) meta_chunks_per_row_ub_l);
1406	ASSERT(disp_dlg_regs->refcyc_per_meta_chunk_vblank_l < (unsigned int) dml_pow(2, 13));
1407
1408	disp_dlg_regs->refcyc_per_meta_chunk_vblank_c =
1409			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
1410
1411	disp_dlg_regs->refcyc_per_pte_group_flip_l = (unsigned int) (dst_y_per_row_flip * htotal
1412			* ref_freq_to_pix_freq) / dpte_groups_per_row_ub_l;
1413	disp_dlg_regs->refcyc_per_meta_chunk_flip_l = (unsigned int) (dst_y_per_row_flip * htotal
1414			* ref_freq_to_pix_freq) / meta_chunks_per_row_ub_l;
1415
1416	if (dual_plane) {
1417		disp_dlg_regs->refcyc_per_pte_group_flip_c = (unsigned int) (dst_y_per_row_flip
1418				* htotal * ref_freq_to_pix_freq) / dpte_groups_per_row_ub_c;
1419		disp_dlg_regs->refcyc_per_meta_chunk_flip_c = (unsigned int) (dst_y_per_row_flip
1420				* htotal * ref_freq_to_pix_freq) / meta_chunks_per_row_ub_c;
1421	}
1422
1423	disp_dlg_regs->dst_y_per_pte_row_nom_l = (unsigned int) ((double) dpte_row_height_l
1424			/ (double) vratio_l * dml_pow(2, 2));
1425	ASSERT(disp_dlg_regs->dst_y_per_pte_row_nom_l < (unsigned int) dml_pow(2, 17));
1426
1427	if (dual_plane) {
1428		disp_dlg_regs->dst_y_per_pte_row_nom_c = (unsigned int) ((double) dpte_row_height_c
1429				/ (double) vratio_c * dml_pow(2, 2));
1430		if (disp_dlg_regs->dst_y_per_pte_row_nom_c >= (unsigned int) dml_pow(2, 17)) {
1431			dml_print("DML_DLG: %s: Warning dst_y_per_pte_row_nom_c %u larger than supported by register format U15.2 %u\n",
1432					__func__,
1433					disp_dlg_regs->dst_y_per_pte_row_nom_c,
1434					(unsigned int) dml_pow(2, 17) - 1);
1435		}
1436	}
1437
1438	disp_dlg_regs->dst_y_per_meta_row_nom_l = (unsigned int) ((double) meta_row_height_l
1439			/ (double) vratio_l * dml_pow(2, 2));
1440	ASSERT(disp_dlg_regs->dst_y_per_meta_row_nom_l < (unsigned int) dml_pow(2, 17));
1441
1442	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
1443
1444	disp_dlg_regs->refcyc_per_pte_group_nom_l = (unsigned int) ((double) dpte_row_height_l
1445			/ (double) vratio_l * (double) htotal * ref_freq_to_pix_freq
1446			/ (double) dpte_groups_per_row_ub_l);
1447	if (disp_dlg_regs->refcyc_per_pte_group_nom_l >= (unsigned int) dml_pow(2, 23))
1448		disp_dlg_regs->refcyc_per_pte_group_nom_l = dml_pow(2, 23) - 1;
1449	disp_dlg_regs->refcyc_per_meta_chunk_nom_l = (unsigned int) ((double) meta_row_height_l
1450			/ (double) vratio_l * (double) htotal * ref_freq_to_pix_freq
1451			/ (double) meta_chunks_per_row_ub_l);
1452	if (disp_dlg_regs->refcyc_per_meta_chunk_nom_l >= (unsigned int) dml_pow(2, 23))
1453		disp_dlg_regs->refcyc_per_meta_chunk_nom_l = dml_pow(2, 23) - 1;
1454
1455	if (dual_plane) {
1456		disp_dlg_regs->refcyc_per_pte_group_nom_c =
1457				(unsigned int) ((double) dpte_row_height_c / (double) vratio_c
1458						* (double) htotal * ref_freq_to_pix_freq
1459						/ (double) dpte_groups_per_row_ub_c);
1460		if (disp_dlg_regs->refcyc_per_pte_group_nom_c >= (unsigned int) dml_pow(2, 23))
1461			disp_dlg_regs->refcyc_per_pte_group_nom_c = dml_pow(2, 23) - 1;
1462
1463		// TODO: Is this the right calculation? Does htotal need to be halved?
1464		disp_dlg_regs->refcyc_per_meta_chunk_nom_c =
1465				(unsigned int) ((double) meta_row_height_c / (double) vratio_c
1466						* (double) htotal * ref_freq_to_pix_freq
1467						/ (double) meta_chunks_per_row_ub_c);
1468		if (disp_dlg_regs->refcyc_per_meta_chunk_nom_c >= (unsigned int) dml_pow(2, 23))
1469			disp_dlg_regs->refcyc_per_meta_chunk_nom_c = dml_pow(2, 23) - 1;
1470	}
1471
1472	disp_dlg_regs->refcyc_per_line_delivery_pre_l = (unsigned int) dml_floor(refcyc_per_line_delivery_pre_l,
1473			1);
1474	disp_dlg_regs->refcyc_per_line_delivery_l = (unsigned int) dml_floor(refcyc_per_line_delivery_l,
1475			1);
1476	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_l < (unsigned int) dml_pow(2, 13));
1477	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_l < (unsigned int) dml_pow(2, 13));
1478
1479	disp_dlg_regs->refcyc_per_line_delivery_pre_c = (unsigned int) dml_floor(refcyc_per_line_delivery_pre_c,
1480			1);
1481	disp_dlg_regs->refcyc_per_line_delivery_c = (unsigned int) dml_floor(refcyc_per_line_delivery_c,
1482			1);
1483	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_c < (unsigned int) dml_pow(2, 13));
1484	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_c < (unsigned int) dml_pow(2, 13));
1485
1486	disp_dlg_regs->chunk_hdl_adjust_cur0 = 3;
1487	disp_dlg_regs->dst_y_offset_cur0 = 0;
1488	disp_dlg_regs->chunk_hdl_adjust_cur1 = 3;
1489	disp_dlg_regs->dst_y_offset_cur1 = 0;
1490
1491	disp_dlg_regs->dst_y_delta_drq_limit = 0x7fff; // off
1492
1493	disp_ttu_regs->refcyc_per_req_delivery_pre_l = (unsigned int) (refcyc_per_req_delivery_pre_l
1494			* dml_pow(2, 10));
1495	disp_ttu_regs->refcyc_per_req_delivery_l = (unsigned int) (refcyc_per_req_delivery_l
1496			* dml_pow(2, 10));
1497	disp_ttu_regs->refcyc_per_req_delivery_pre_c = (unsigned int) (refcyc_per_req_delivery_pre_c
1498			* dml_pow(2, 10));
1499	disp_ttu_regs->refcyc_per_req_delivery_c = (unsigned int) (refcyc_per_req_delivery_c
1500			* dml_pow(2, 10));
1501	disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 =
1502			(unsigned int) (refcyc_per_req_delivery_pre_cur0 * dml_pow(2, 10));
1503	disp_ttu_regs->refcyc_per_req_delivery_cur0 = (unsigned int) (refcyc_per_req_delivery_cur0
1504			* dml_pow(2, 10));
1505	disp_ttu_regs->refcyc_per_req_delivery_pre_cur1 =
1506			(unsigned int) (refcyc_per_req_delivery_pre_cur1 * dml_pow(2, 10));
1507	disp_ttu_regs->refcyc_per_req_delivery_cur1 = (unsigned int) (refcyc_per_req_delivery_cur1
1508			* dml_pow(2, 10));
1509	disp_ttu_regs->qos_level_low_wm = 0;
1510	ASSERT(disp_ttu_regs->qos_level_low_wm < dml_pow(2, 14));
1511	disp_ttu_regs->qos_level_high_wm = (unsigned int) (4.0 * (double) htotal
1512			* ref_freq_to_pix_freq);
1513	/*ASSERT(disp_ttu_regs->qos_level_high_wm < dml_pow(2, 14));*/
1514
1515	disp_ttu_regs->qos_level_flip = 14;
1516	disp_ttu_regs->qos_level_fixed_l = 8;
1517	disp_ttu_regs->qos_level_fixed_c = 8;
1518	disp_ttu_regs->qos_level_fixed_cur0 = 8;
1519	disp_ttu_regs->qos_ramp_disable_l = 0;
1520	disp_ttu_regs->qos_ramp_disable_c = 0;
1521	disp_ttu_regs->qos_ramp_disable_cur0 = 0;
1522
1523	disp_ttu_regs->min_ttu_vblank = min_ttu_vblank * refclk_freq_in_mhz;
1524	ASSERT(disp_ttu_regs->min_ttu_vblank < dml_pow(2, 24));
1525
1526	print__ttu_regs_st(mode_lib, disp_ttu_regs);
1527	print__dlg_regs_st(mode_lib, disp_dlg_regs);
1528}
1529
1530void dml20v2_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
1531		display_dlg_regs_st *dlg_regs,
1532		display_ttu_regs_st *ttu_regs,
1533		const display_e2e_pipe_params_st *e2e_pipe_param,
1534		const unsigned int num_pipes,
1535		const unsigned int pipe_idx,
1536		const bool cstate_en,
1537		const bool pstate_en,
1538		const bool vm_en,
1539		const bool ignore_viewport_pos,
1540		const bool immediate_flip_support)
1541{
1542	display_rq_params_st rq_param = {0};
1543	display_dlg_sys_params_st dlg_sys_param = {0};
1544
1545	// Get watermark and Tex.
1546	dlg_sys_param.t_urg_wm_us = get_wm_urgent(mode_lib, e2e_pipe_param, num_pipes);
1547	dlg_sys_param.deepsleep_dcfclk_mhz = get_clk_dcf_deepsleep(mode_lib,
1548			e2e_pipe_param,
1549			num_pipes);
1550	dlg_sys_param.t_extra_us = get_urgent_extra_latency(mode_lib, e2e_pipe_param, num_pipes);
1551	dlg_sys_param.mem_trip_us = get_wm_memory_trip(mode_lib, e2e_pipe_param, num_pipes);
1552	dlg_sys_param.t_mclk_wm_us = get_wm_dram_clock_change(mode_lib, e2e_pipe_param, num_pipes);
1553	dlg_sys_param.t_sr_wm_us = get_wm_stutter_enter_exit(mode_lib, e2e_pipe_param, num_pipes);
1554	dlg_sys_param.total_flip_bw = get_total_immediate_flip_bw(mode_lib,
1555			e2e_pipe_param,
1556			num_pipes);
1557	dlg_sys_param.total_flip_bytes = get_total_immediate_flip_bytes(mode_lib,
1558			e2e_pipe_param,
1559			num_pipes);
1560
1561	print__dlg_sys_params_st(mode_lib, &dlg_sys_param);
1562
1563	// system parameter calculation done
1564
1565	dml_print("DML_DLG: Calculation for pipe[%d] start\n\n", pipe_idx);
1566	dml20v2_rq_dlg_get_rq_params(mode_lib, &rq_param, &e2e_pipe_param[pipe_idx].pipe.src);
1567	dml20v2_rq_dlg_get_dlg_params(mode_lib,
1568			e2e_pipe_param,
1569			num_pipes,
1570			pipe_idx,
1571			dlg_regs,
1572			ttu_regs,
1573			&rq_param.dlg,
1574			&dlg_sys_param,
1575			cstate_en,
1576			pstate_en);
1577	dml_print("DML_DLG: Calculation for pipe[%d] end\n", pipe_idx);
1578}
1579
1580static void calculate_ttu_cursor(struct display_mode_lib *mode_lib,
1581		double *refcyc_per_req_delivery_pre_cur,
1582		double *refcyc_per_req_delivery_cur,
1583		double refclk_freq_in_mhz,
1584		double ref_freq_to_pix_freq,
1585		double hscale_pixel_rate_l,
1586		double hscl_ratio,
1587		double vratio_pre_l,
1588		double vratio_l,
1589		unsigned int cur_width,
1590		enum cursor_bpp cur_bpp)
1591{
1592	unsigned int cur_src_width = cur_width;
1593	unsigned int cur_req_size = 0;
1594	unsigned int cur_req_width = 0;
1595	double cur_width_ub = 0.0;
1596	double cur_req_per_width = 0.0;
1597	double hactive_cur = 0.0;
1598
1599	ASSERT(cur_src_width <= 256);
1600
1601	*refcyc_per_req_delivery_pre_cur = 0.0;
1602	*refcyc_per_req_delivery_cur = 0.0;
1603	if (cur_src_width > 0) {
1604		unsigned int cur_bit_per_pixel = 0;
1605
1606		if (cur_bpp == dm_cur_2bit) {
1607			cur_req_size = 64; // byte
1608			cur_bit_per_pixel = 2;
1609		} else { // 32bit
1610			cur_bit_per_pixel = 32;
1611			if (cur_src_width >= 1 && cur_src_width <= 16)
1612				cur_req_size = 64;
1613			else if (cur_src_width >= 17 && cur_src_width <= 31)
1614				cur_req_size = 128;
1615			else
1616				cur_req_size = 256;
1617		}
1618
1619		cur_req_width = (double) cur_req_size / ((double) cur_bit_per_pixel / 8.0);
1620		cur_width_ub = dml_ceil((double) cur_src_width / (double) cur_req_width, 1)
1621				* (double) cur_req_width;
1622		cur_req_per_width = cur_width_ub / (double) cur_req_width;
1623		hactive_cur = (double) cur_src_width / hscl_ratio; // TODO: oswin to think about what to do for cursor
1624
1625		if (vratio_pre_l <= 1.0) {
1626			*refcyc_per_req_delivery_pre_cur = hactive_cur * ref_freq_to_pix_freq
1627					/ (double) cur_req_per_width;
1628		} else {
1629			*refcyc_per_req_delivery_pre_cur = (double) refclk_freq_in_mhz
1630					* (double) cur_src_width / hscale_pixel_rate_l
1631					/ (double) cur_req_per_width;
1632		}
1633
1634		ASSERT(*refcyc_per_req_delivery_pre_cur < dml_pow(2, 13));
1635
1636		if (vratio_l <= 1.0) {
1637			*refcyc_per_req_delivery_cur = hactive_cur * ref_freq_to_pix_freq
1638					/ (double) cur_req_per_width;
1639		} else {
1640			*refcyc_per_req_delivery_cur = (double) refclk_freq_in_mhz
1641					* (double) cur_src_width / hscale_pixel_rate_l
1642					/ (double) cur_req_per_width;
1643		}
1644
1645		dml_print("DML_DLG: %s: cur_req_width                     = %d\n",
1646				__func__,
1647				cur_req_width);
1648		dml_print("DML_DLG: %s: cur_width_ub                      = %3.2f\n",
1649				__func__,
1650				cur_width_ub);
1651		dml_print("DML_DLG: %s: cur_req_per_width                 = %3.2f\n",
1652				__func__,
1653				cur_req_per_width);
1654		dml_print("DML_DLG: %s: hactive_cur                       = %3.2f\n",
1655				__func__,
1656				hactive_cur);
1657		dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_cur   = %3.2f\n",
1658				__func__,
1659				*refcyc_per_req_delivery_pre_cur);
1660		dml_print("DML_DLG: %s: refcyc_per_req_delivery_cur       = %3.2f\n",
1661				__func__,
1662				*refcyc_per_req_delivery_cur);
1663
1664		ASSERT(*refcyc_per_req_delivery_cur < dml_pow(2, 13));
1665	}
1666}
~/ Read-only file preview.