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 = 0;
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		if (req128_c && log2_swath_height_c > 0)
318			log2_swath_height_c -= 1;
319	}
320
321	rq_param->dlg.rq_l.swath_height = 1 << log2_swath_height_l;
322	rq_param->dlg.rq_c.swath_height = 1 << log2_swath_height_c;
323
324	dml_print("DML_DLG: %s: req128_l = %0d\n", __func__, req128_l);
325	dml_print("DML_DLG: %s: req128_c = %0d\n", __func__, req128_c);
326	dml_print("DML_DLG: %s: full_swath_bytes_packed_l = %0d\n",
327			__func__,
328			full_swath_bytes_packed_l);
329	dml_print("DML_DLG: %s: full_swath_bytes_packed_c = %0d\n",
330			__func__,
331			full_swath_bytes_packed_c);
332}
333
334static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
335		display_data_rq_dlg_params_st *rq_dlg_param,
336		display_data_rq_misc_params_st *rq_misc_param,
337		display_data_rq_sizing_params_st *rq_sizing_param,
338		unsigned int vp_width,
339		unsigned int vp_height,
340		unsigned int data_pitch,
341		unsigned int meta_pitch,
342		unsigned int source_format,
343		unsigned int tiling,
344		unsigned int macro_tile_size,
345		unsigned int source_scan,
346		unsigned int is_chroma)
347{
348	bool surf_linear = (tiling == dm_sw_linear);
349	bool surf_vert = (source_scan == dm_vert);
350
351	unsigned int bytes_per_element;
352	unsigned int bytes_per_element_y = get_bytes_per_element((enum source_format_class)(source_format),
353			false);
354	unsigned int bytes_per_element_c = get_bytes_per_element((enum source_format_class)(source_format),
355			true);
356
357	unsigned int blk256_width = 0;
358	unsigned int blk256_height = 0;
359
360	unsigned int blk256_width_y = 0;
361	unsigned int blk256_height_y = 0;
362	unsigned int blk256_width_c = 0;
363	unsigned int blk256_height_c = 0;
364	unsigned int log2_bytes_per_element;
365	unsigned int log2_blk256_width;
366	unsigned int log2_blk256_height;
367	unsigned int blk_bytes;
368	unsigned int log2_blk_bytes;
369	unsigned int log2_blk_height;
370	unsigned int log2_blk_width;
371	unsigned int log2_meta_req_bytes;
372	unsigned int log2_meta_req_height;
373	unsigned int log2_meta_req_width;
374	unsigned int meta_req_width;
375	unsigned int meta_req_height;
376	unsigned int log2_meta_row_height;
377	unsigned int meta_row_width_ub;
378	unsigned int log2_meta_chunk_bytes;
379	unsigned int log2_meta_chunk_height;
380
381	//full sized meta chunk width in unit of data elements
382	unsigned int log2_meta_chunk_width;
383	unsigned int log2_min_meta_chunk_bytes;
384	unsigned int min_meta_chunk_width;
385	unsigned int meta_chunk_width;
386	unsigned int meta_chunk_per_row_int;
387	unsigned int meta_row_remainder;
388	unsigned int meta_chunk_threshold;
389	unsigned int meta_blk_bytes;
390	unsigned int meta_blk_height;
391	unsigned int meta_blk_width;
392	unsigned int meta_surface_bytes;
393	unsigned int vmpg_bytes;
394	unsigned int meta_pte_req_per_frame_ub;
395	unsigned int meta_pte_bytes_per_frame_ub;
396	const unsigned int log2_vmpg_bytes = dml_log2(mode_lib->soc.vmm_page_size_bytes);
397	const unsigned int dpte_buf_in_pte_reqs = mode_lib->ip.dpte_buffer_size_in_pte_reqs_luma;
398	const unsigned int pde_proc_buffer_size_64k_reqs =
399			mode_lib->ip.pde_proc_buffer_size_64k_reqs;
400
401	unsigned int log2_vmpg_height = 0;
402	unsigned int log2_vmpg_width = 0;
403	unsigned int log2_dpte_req_height_ptes = 0;
404	unsigned int log2_dpte_req_height = 0;
405	unsigned int log2_dpte_req_width = 0;
406	unsigned int log2_dpte_row_height_linear = 0;
407	unsigned int log2_dpte_row_height = 0;
408	unsigned int log2_dpte_group_width = 0;
409	unsigned int dpte_row_width_ub = 0;
410	unsigned int dpte_req_height = 0;
411	unsigned int dpte_req_width = 0;
412	unsigned int dpte_group_width = 0;
413	unsigned int log2_dpte_group_bytes = 0;
414	unsigned int log2_dpte_group_length = 0;
415	unsigned int pde_buf_entries;
416	bool yuv420 = (source_format == dm_420_8 || source_format == dm_420_10);
417
418	Calculate256BBlockSizes((enum source_format_class)(source_format),
419			(enum dm_swizzle_mode)(tiling),
420			bytes_per_element_y,
421			bytes_per_element_c,
422			&blk256_height_y,
423			&blk256_height_c,
424			&blk256_width_y,
425			&blk256_width_c);
426
427	if (!is_chroma) {
428		blk256_width = blk256_width_y;
429		blk256_height = blk256_height_y;
430		bytes_per_element = bytes_per_element_y;
431	} else {
432		blk256_width = blk256_width_c;
433		blk256_height = blk256_height_c;
434		bytes_per_element = bytes_per_element_c;
435	}
436
437	log2_bytes_per_element = dml_log2(bytes_per_element);
438
439	dml_print("DML_DLG: %s: surf_linear        = %d\n", __func__, surf_linear);
440	dml_print("DML_DLG: %s: surf_vert          = %d\n", __func__, surf_vert);
441	dml_print("DML_DLG: %s: blk256_width       = %d\n", __func__, blk256_width);
442	dml_print("DML_DLG: %s: blk256_height      = %d\n", __func__, blk256_height);
443
444	log2_blk256_width = dml_log2((double) blk256_width);
445	log2_blk256_height = dml_log2((double) blk256_height);
446	blk_bytes = surf_linear ?
447			256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
448	log2_blk_bytes = dml_log2((double) blk_bytes);
449	log2_blk_height = 0;
450	log2_blk_width = 0;
451
452	// remember log rule
453	// "+" in log is multiply
454	// "-" in log is divide
455	// "/2" is like square root
456	// blk is vertical biased
457	if (tiling != dm_sw_linear)
458		log2_blk_height = log2_blk256_height
459				+ dml_ceil((double) (log2_blk_bytes - 8) / 2.0, 1);
460	else
461		log2_blk_height = 0;  // blk height of 1
462
463	log2_blk_width = log2_blk_bytes - log2_bytes_per_element - log2_blk_height;
464
465	if (!surf_vert) {
466		rq_dlg_param->swath_width_ub = dml_round_to_multiple(vp_width - 1, blk256_width, 1)
467				+ blk256_width;
468		rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_width;
469	} else {
470		rq_dlg_param->swath_width_ub = dml_round_to_multiple(vp_height - 1, blk256_height, 1)
471				+ blk256_height;
472		rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_height;
473	}
474
475	if (!surf_vert)
476		rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_height
477				* bytes_per_element;
478	else
479		rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_width
480				* bytes_per_element;
481
482	rq_misc_param->blk256_height = blk256_height;
483	rq_misc_param->blk256_width = blk256_width;
484
485	// -------
486	// meta
487	// -------
488	log2_meta_req_bytes = 6; // meta request is 64b and is 8x8byte meta element
489
490	// each 64b meta request for dcn is 8x8 meta elements and
491	// a meta element covers one 256b block of the data surface.
492	log2_meta_req_height = log2_blk256_height + 3; // meta req is 8x8 byte, each byte represent 1 blk256
493	log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element
494			- log2_meta_req_height;
495	meta_req_width = 1 << log2_meta_req_width;
496	meta_req_height = 1 << log2_meta_req_height;
497	log2_meta_row_height = 0;
498	meta_row_width_ub = 0;
499
500	// the dimensions of a meta row are meta_row_width x meta_row_height in elements.
501	// calculate upper bound of the meta_row_width
502	if (!surf_vert) {
503		log2_meta_row_height = log2_meta_req_height;
504		meta_row_width_ub = dml_round_to_multiple(vp_width - 1, meta_req_width, 1)
505				+ meta_req_width;
506		rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_width;
507	} else {
508		log2_meta_row_height = log2_meta_req_width;
509		meta_row_width_ub = dml_round_to_multiple(vp_height - 1, meta_req_height, 1)
510				+ meta_req_height;
511		rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_height;
512	}
513	rq_dlg_param->meta_bytes_per_row_ub = rq_dlg_param->meta_req_per_row_ub * 64;
514
515	rq_dlg_param->meta_row_height = 1 << log2_meta_row_height;
516
517	log2_meta_chunk_bytes = dml_log2(rq_sizing_param->meta_chunk_bytes);
518	log2_meta_chunk_height = log2_meta_row_height;
519
520	//full sized meta chunk width in unit of data elements
521	log2_meta_chunk_width = log2_meta_chunk_bytes + 8 - log2_bytes_per_element
522			- log2_meta_chunk_height;
523	log2_min_meta_chunk_bytes = dml_log2(rq_sizing_param->min_meta_chunk_bytes);
524	min_meta_chunk_width = 1
525			<< (log2_min_meta_chunk_bytes + 8 - log2_bytes_per_element
526					- log2_meta_chunk_height);
527	meta_chunk_width = 1 << log2_meta_chunk_width;
528	meta_chunk_per_row_int = (unsigned int) (meta_row_width_ub / meta_chunk_width);
529	meta_row_remainder = meta_row_width_ub % meta_chunk_width;
530	meta_chunk_threshold = 0;
531	meta_blk_bytes = 4096;
532	meta_blk_height = blk256_height * 64;
533	meta_blk_width = meta_blk_bytes * 256 / bytes_per_element / meta_blk_height;
534	meta_surface_bytes = meta_pitch
535			* (dml_round_to_multiple(vp_height - 1, meta_blk_height, 1) + meta_blk_height)
536			* bytes_per_element / 256;
537	vmpg_bytes = mode_lib->soc.vmm_page_size_bytes;
538	meta_pte_req_per_frame_ub = (dml_round_to_multiple(meta_surface_bytes - vmpg_bytes,
539			8 * vmpg_bytes,
540			1) + 8 * vmpg_bytes) / (8 * vmpg_bytes);
541	meta_pte_bytes_per_frame_ub = meta_pte_req_per_frame_ub * 64; //64B mpte request
542	rq_dlg_param->meta_pte_bytes_per_frame_ub = meta_pte_bytes_per_frame_ub;
543
544	dml_print("DML_DLG: %s: meta_blk_height             = %d\n", __func__, meta_blk_height);
545	dml_print("DML_DLG: %s: meta_blk_width              = %d\n", __func__, meta_blk_width);
546	dml_print("DML_DLG: %s: meta_surface_bytes          = %d\n", __func__, meta_surface_bytes);
547	dml_print("DML_DLG: %s: meta_pte_req_per_frame_ub   = %d\n",
548			__func__,
549			meta_pte_req_per_frame_ub);
550	dml_print("DML_DLG: %s: meta_pte_bytes_per_frame_ub = %d\n",
551			__func__,
552			meta_pte_bytes_per_frame_ub);
553
554	if (!surf_vert)
555		meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_width;
556	else
557		meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_height;
558
559	if (meta_row_remainder <= meta_chunk_threshold)
560		rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 1;
561	else
562		rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 2;
563
564	// ------
565	// dpte
566	// ------
567	if (surf_linear) {
568		log2_vmpg_height = 0;   // one line high
569	} else {
570		log2_vmpg_height = (log2_vmpg_bytes - 8) / 2 + log2_blk256_height;
571	}
572	log2_vmpg_width = log2_vmpg_bytes - log2_bytes_per_element - log2_vmpg_height;
573
574	// only 3 possible shapes for dpte request in dimensions of ptes: 8x1, 4x2, 2x4.
575	if (surf_linear) { //one 64B PTE request returns 8 PTEs
576		log2_dpte_req_height_ptes = 0;
577		log2_dpte_req_width = log2_vmpg_width + 3;
578		log2_dpte_req_height = 0;
579	} else if (log2_blk_bytes == 12) { //4KB tile means 4kB page size
580		//one 64B req gives 8x1 PTEs for 4KB 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	} else if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) { // tile block >= 64KB
585		//two 64B reqs of 2x4 PTEs give 16 PTEs to cover 64KB
586		log2_dpte_req_height_ptes = 4;
587		log2_dpte_req_width = log2_blk256_width + 4; // log2_64KB_width
588		log2_dpte_req_height = log2_blk256_height + 4; // log2_64KB_height
589	} else { //64KB page size and must 64KB tile block
590		 //one 64B req gives 8x1 PTEs for 64KB tile
591		log2_dpte_req_height_ptes = 0;
592		log2_dpte_req_width = log2_blk_width + 3;
593		log2_dpte_req_height = log2_blk_height + 0;
594	}
595
596	// The dpte request dimensions in data elements is dpte_req_width x dpte_req_height
597	// log2_vmpg_width is how much 1 pte represent, now calculating how much a 64b pte req represent
598	// That depends on the pte shape (i.e. 8x1, 4x2, 2x4)
599	//log2_dpte_req_height    = log2_vmpg_height + log2_dpte_req_height_ptes;
600	//log2_dpte_req_width     = log2_vmpg_width + log2_dpte_req_width_ptes;
601	dpte_req_height = 1 << log2_dpte_req_height;
602	dpte_req_width = 1 << log2_dpte_req_width;
603
604	// calculate pitch dpte row buffer can hold
605	// round the result down to a power of two.
606	pde_buf_entries = yuv420 ? (pde_proc_buffer_size_64k_reqs >> 1) : pde_proc_buffer_size_64k_reqs;
607	if (surf_linear) {
608		unsigned int dpte_row_height;
609
610		log2_dpte_row_height_linear = dml_floor(dml_log2(dml_min(64 * 1024 * pde_buf_entries
611										/ bytes_per_element,
612								dpte_buf_in_pte_reqs
613										* dpte_req_width)
614								/ data_pitch),
615				1);
616
617		ASSERT(log2_dpte_row_height_linear >= 3);
618
619		if (log2_dpte_row_height_linear > 7)
620			log2_dpte_row_height_linear = 7;
621
622		log2_dpte_row_height = log2_dpte_row_height_linear;
623		// For linear, the dpte row is pitch dependent and the pte requests wrap at the pitch boundary.
624		// the dpte_row_width_ub is the upper bound of data_pitch*dpte_row_height in elements with this unique buffering.
625		dpte_row_height = 1 << log2_dpte_row_height;
626		dpte_row_width_ub = dml_round_to_multiple(data_pitch * dpte_row_height - 1,
627				dpte_req_width,
628				1) + dpte_req_width;
629		rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
630	} else {
631		// the upper bound of the dpte_row_width without dependency on viewport position follows.
632		// for tiled mode, row height is the same as req height and row store up to vp size upper bound
633		if (!surf_vert) {
634			log2_dpte_row_height = log2_dpte_req_height;
635			dpte_row_width_ub = dml_round_to_multiple(vp_width - 1, dpte_req_width, 1)
636					+ dpte_req_width;
637			rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width;
638		} else {
639			log2_dpte_row_height =
640					(log2_blk_width < log2_dpte_req_width) ?
641							log2_blk_width : log2_dpte_req_width;
642			dpte_row_width_ub = dml_round_to_multiple(vp_height - 1, dpte_req_height, 1)
643					+ dpte_req_height;
644			rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_height;
645		}
646	}
647	if (log2_blk_bytes >= 16 && log2_vmpg_bytes == 12) // tile block >= 64KB
648		rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 128; //2*64B dpte request
649	else
650		rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 64; //64B dpte request
651
652	rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height;
653
654	// the dpte_group_bytes is reduced for the specific case of vertical
655	// access of a tile surface that has dpte request of 8x1 ptes.
656	if (!surf_linear & (log2_dpte_req_height_ptes == 0) & surf_vert) //reduced, in this case, will have page fault within a group
657		rq_sizing_param->dpte_group_bytes = 512;
658	else
659		//full size
660		rq_sizing_param->dpte_group_bytes = 2048;
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((double) dpte_row_width_ub / dpte_group_width,
681			1);
682}
683
684static void get_surf_rq_param(struct display_mode_lib *mode_lib,
685		display_data_rq_sizing_params_st *rq_sizing_param,
686		display_data_rq_dlg_params_st *rq_dlg_param,
687		display_data_rq_misc_params_st *rq_misc_param,
688		const display_pipe_source_params_st *pipe_src_param,
689		bool is_chroma)
690{
691	bool mode_422 = false;
692	unsigned int vp_width = 0;
693	unsigned int vp_height = 0;
694	unsigned int data_pitch = 0;
695	unsigned int meta_pitch = 0;
696	unsigned int ppe = mode_422 ? 2 : 1;
697
698	// TODO check if ppe apply for both luma and chroma in 422 case
699	if (is_chroma) {
700		vp_width = pipe_src_param->viewport_width_c / ppe;
701		vp_height = pipe_src_param->viewport_height_c;
702		data_pitch = pipe_src_param->data_pitch_c;
703		meta_pitch = pipe_src_param->meta_pitch_c;
704	} else {
705		vp_width = pipe_src_param->viewport_width / ppe;
706		vp_height = pipe_src_param->viewport_height;
707		data_pitch = pipe_src_param->data_pitch;
708		meta_pitch = pipe_src_param->meta_pitch;
709	}
710
711	rq_sizing_param->chunk_bytes = 8192;
712
713	if (rq_sizing_param->chunk_bytes == 64 * 1024)
714		rq_sizing_param->min_chunk_bytes = 0;
715	else
716		rq_sizing_param->min_chunk_bytes = 1024;
717
718	rq_sizing_param->meta_chunk_bytes = 2048;
719	rq_sizing_param->min_meta_chunk_bytes = 256;
720
721	rq_sizing_param->mpte_group_bytes = 2048;
722
723	get_meta_and_pte_attr(mode_lib,
724			rq_dlg_param,
725			rq_misc_param,
726			rq_sizing_param,
727			vp_width,
728			vp_height,
729			data_pitch,
730			meta_pitch,
731			pipe_src_param->source_format,
732			pipe_src_param->sw_mode,
733			pipe_src_param->macro_tile_size,
734			pipe_src_param->source_scan,
735			is_chroma);
736}
737
738static void dml20v2_rq_dlg_get_rq_params(struct display_mode_lib *mode_lib,
739		display_rq_params_st *rq_param,
740		const display_pipe_source_params_st *pipe_src_param)
741{
742	// get param for luma surface
743	rq_param->yuv420 = pipe_src_param->source_format == dm_420_8
744			|| pipe_src_param->source_format == dm_420_10;
745	rq_param->yuv420_10bpc = pipe_src_param->source_format == dm_420_10;
746
747	get_surf_rq_param(mode_lib,
748			&(rq_param->sizing.rq_l),
749			&(rq_param->dlg.rq_l),
750			&(rq_param->misc.rq_l),
751			pipe_src_param,
752			0);
753
754	if (is_dual_plane((enum source_format_class)(pipe_src_param->source_format))) {
755		// get param for chroma surface
756		get_surf_rq_param(mode_lib,
757				&(rq_param->sizing.rq_c),
758				&(rq_param->dlg.rq_c),
759				&(rq_param->misc.rq_c),
760				pipe_src_param,
761				1);
762	}
763
764	// calculate how to split the det buffer space between luma and chroma
765	handle_det_buf_split(mode_lib, rq_param, pipe_src_param);
766	print__rq_params_st(mode_lib, rq_param);
767}
768
769void dml20v2_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
770		display_rq_regs_st *rq_regs,
771		const display_pipe_params_st *pipe_param)
772{
773	display_rq_params_st rq_param = {0};
774
775	memset(rq_regs, 0, sizeof(*rq_regs));
776	dml20v2_rq_dlg_get_rq_params(mode_lib, &rq_param, &pipe_param->src);
777	extract_rq_regs(mode_lib, rq_regs, &rq_param);
778
779	print__rq_regs_st(mode_lib, rq_regs);
780}
781
782// Note: currently taken in as is.
783// Nice to decouple code from hw register implement and extract code that are repeated for luma and chroma.
784static void dml20v2_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
785		const display_e2e_pipe_params_st *e2e_pipe_param,
786		const unsigned int num_pipes,
787		const unsigned int pipe_idx,
788		display_dlg_regs_st *disp_dlg_regs,
789		display_ttu_regs_st *disp_ttu_regs,
790		const display_rq_dlg_params_st *rq_dlg_param,
791		const display_dlg_sys_params_st *dlg_sys_param,
792		const bool cstate_en,
793		const bool pstate_en)
794{
795	const display_pipe_source_params_st *src = &e2e_pipe_param[pipe_idx].pipe.src;
796	const display_pipe_dest_params_st *dst = &e2e_pipe_param[pipe_idx].pipe.dest;
797	const display_output_params_st *dout = &e2e_pipe_param[pipe_idx].dout;
798	const display_clocks_and_cfg_st *clks = &e2e_pipe_param[pipe_idx].clks_cfg;
799	const scaler_ratio_depth_st *scl = &e2e_pipe_param[pipe_idx].pipe.scale_ratio_depth;
800	const scaler_taps_st *taps = &e2e_pipe_param[pipe_idx].pipe.scale_taps;
801
802	// -------------------------
803	// Section 1.15.2.1: OTG dependent Params
804	// -------------------------
805	// Timing
806	unsigned int htotal = dst->htotal;
807//    unsigned int hblank_start = dst.hblank_start; // TODO: Remove
808	unsigned int hblank_end = dst->hblank_end;
809	unsigned int vblank_start = dst->vblank_start;
810	unsigned int vblank_end = dst->vblank_end;
811	unsigned int min_vblank = mode_lib->ip.min_vblank_lines;
812
813	double dppclk_freq_in_mhz = clks->dppclk_mhz;
814	double dispclk_freq_in_mhz = clks->dispclk_mhz;
815	double refclk_freq_in_mhz = clks->refclk_mhz;
816	double pclk_freq_in_mhz = dst->pixel_rate_mhz;
817	bool interlaced = dst->interlaced;
818
819	double ref_freq_to_pix_freq = refclk_freq_in_mhz / pclk_freq_in_mhz;
820
821	double min_dcfclk_mhz;
822	double t_calc_us;
823	double min_ttu_vblank;
824
825	double min_dst_y_ttu_vblank;
826	unsigned int dlg_vblank_start;
827	bool dual_plane;
828	bool mode_422;
829	unsigned int access_dir;
830	unsigned int vp_height_l;
831	unsigned int vp_width_l;
832	unsigned int vp_height_c;
833	unsigned int vp_width_c;
834
835	// Scaling
836	unsigned int htaps_l;
837	unsigned int htaps_c;
838	double hratio_l;
839	double hratio_c;
840	double vratio_l;
841	double vratio_c;
842	bool scl_enable;
843
844	double line_time_in_us;
845	//    double vinit_l;
846	//    double vinit_c;
847	//    double vinit_bot_l;
848	//    double vinit_bot_c;
849
850	//    unsigned int swath_height_l;
851	unsigned int swath_width_ub_l;
852	//    unsigned int dpte_bytes_per_row_ub_l;
853	unsigned int dpte_groups_per_row_ub_l;
854	//    unsigned int meta_pte_bytes_per_frame_ub_l;
855	//    unsigned int meta_bytes_per_row_ub_l;
856
857	//    unsigned int swath_height_c;
858	unsigned int swath_width_ub_c;
859	//   unsigned int dpte_bytes_per_row_ub_c;
860	unsigned int dpte_groups_per_row_ub_c;
861
862	unsigned int meta_chunks_per_row_ub_l;
863	unsigned int meta_chunks_per_row_ub_c;
864	unsigned int vupdate_offset;
865	unsigned int vupdate_width;
866	unsigned int vready_offset;
867
868	unsigned int dppclk_delay_subtotal;
869	unsigned int dispclk_delay_subtotal;
870	unsigned int pixel_rate_delay_subtotal;
871
872	unsigned int vstartup_start;
873	unsigned int dst_x_after_scaler;
874	unsigned int dst_y_after_scaler;
875	double line_wait;
876	double dst_y_prefetch;
877	double dst_y_per_vm_vblank;
878	double dst_y_per_row_vblank;
879	double dst_y_per_vm_flip;
880	double dst_y_per_row_flip;
881	double min_dst_y_per_vm_vblank;
882	double min_dst_y_per_row_vblank;
883	double lsw;
884	double vratio_pre_l;
885	double vratio_pre_c;
886	unsigned int req_per_swath_ub_l;
887	unsigned int req_per_swath_ub_c;
888	unsigned int meta_row_height_l;
889	unsigned int meta_row_height_c;
890	unsigned int swath_width_pixels_ub_l;
891	unsigned int swath_width_pixels_ub_c;
892	unsigned int scaler_rec_in_width_l;
893	unsigned int scaler_rec_in_width_c;
894	unsigned int dpte_row_height_l;
895	unsigned int dpte_row_height_c;
896	double hscale_pixel_rate_l;
897	double hscale_pixel_rate_c;
898	double min_hratio_fact_l;
899	double min_hratio_fact_c;
900	double refcyc_per_line_delivery_pre_l;
901	double refcyc_per_line_delivery_pre_c;
902	double refcyc_per_line_delivery_l;
903	double refcyc_per_line_delivery_c;
904
905	double refcyc_per_req_delivery_pre_l;
906	double refcyc_per_req_delivery_pre_c;
907	double refcyc_per_req_delivery_l;
908	double refcyc_per_req_delivery_c;
909
910	unsigned int full_recout_width;
911	double refcyc_per_req_delivery_pre_cur0;
912	double refcyc_per_req_delivery_cur0;
913	double refcyc_per_req_delivery_pre_cur1;
914	double refcyc_per_req_delivery_cur1;
915
916	memset(disp_dlg_regs, 0, sizeof(*disp_dlg_regs));
917	memset(disp_ttu_regs, 0, sizeof(*disp_ttu_regs));
918
919	dml_print("DML_DLG: %s:  cstate_en = %d\n", __func__, cstate_en);
920	dml_print("DML_DLG: %s:  pstate_en = %d\n", __func__, pstate_en);
921
922	dml_print("DML_DLG: %s: dppclk_freq_in_mhz     = %3.2f\n", __func__, dppclk_freq_in_mhz);
923	dml_print("DML_DLG: %s: dispclk_freq_in_mhz    = %3.2f\n", __func__, dispclk_freq_in_mhz);
924	dml_print("DML_DLG: %s: refclk_freq_in_mhz     = %3.2f\n", __func__, refclk_freq_in_mhz);
925	dml_print("DML_DLG: %s: pclk_freq_in_mhz       = %3.2f\n", __func__, pclk_freq_in_mhz);
926	dml_print("DML_DLG: %s: interlaced             = %d\n", __func__, interlaced);
927	ASSERT(ref_freq_to_pix_freq < 4.0);
928
929	disp_dlg_regs->ref_freq_to_pix_freq =
930			(unsigned int) (ref_freq_to_pix_freq * dml_pow(2, 19));
931	disp_dlg_regs->refcyc_per_htotal = (unsigned int) (ref_freq_to_pix_freq * (double) htotal
932			* dml_pow(2, 8));
933	disp_dlg_regs->dlg_vblank_end = interlaced ? (vblank_end / 2) : vblank_end; // 15 bits
934	disp_dlg_regs->refcyc_h_blank_end = (unsigned int) ((double) hblank_end
935			* (double) ref_freq_to_pix_freq);
936	ASSERT(disp_dlg_regs->refcyc_h_blank_end < (unsigned int) dml_pow(2, 13));
937
938	min_dcfclk_mhz = dlg_sys_param->deepsleep_dcfclk_mhz;
939	t_calc_us = get_tcalc(mode_lib, e2e_pipe_param, num_pipes);
940	min_ttu_vblank = get_min_ttu_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
941
942	min_dst_y_ttu_vblank = min_ttu_vblank * pclk_freq_in_mhz / (double) htotal;
943	dlg_vblank_start = interlaced ? (vblank_start / 2) : vblank_start;
944
945	disp_dlg_regs->min_dst_y_next_start = (unsigned int) (((double) dlg_vblank_start
946			+ min_dst_y_ttu_vblank) * dml_pow(2, 2));
947	ASSERT(disp_dlg_regs->min_dst_y_next_start < (unsigned int) dml_pow(2, 18));
948
949	dml_print("DML_DLG: %s: min_dcfclk_mhz                         = %3.2f\n",
950			__func__,
951			min_dcfclk_mhz);
952	dml_print("DML_DLG: %s: min_ttu_vblank                         = %3.2f\n",
953			__func__,
954			min_ttu_vblank);
955	dml_print("DML_DLG: %s: min_dst_y_ttu_vblank                   = %3.2f\n",
956			__func__,
957			min_dst_y_ttu_vblank);
958	dml_print("DML_DLG: %s: t_calc_us                              = %3.2f\n",
959			__func__,
960			t_calc_us);
961	dml_print("DML_DLG: %s: disp_dlg_regs->min_dst_y_next_start    = 0x%0x\n",
962			__func__,
963			disp_dlg_regs->min_dst_y_next_start);
964	dml_print("DML_DLG: %s: ref_freq_to_pix_freq                   = %3.2f\n",
965			__func__,
966			ref_freq_to_pix_freq);
967
968	// -------------------------
969	// Section 1.15.2.2: Prefetch, Active and TTU
970	// -------------------------
971	// Prefetch Calc
972	// Source
973//             dcc_en              = src.dcc;
974	dual_plane = is_dual_plane((enum source_format_class)(src->source_format));
975	mode_422 = false; // TODO
976	access_dir = (src->source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
977//      bytes_per_element_l = get_bytes_per_element(source_format_class(src.source_format), 0);
978//      bytes_per_element_c = get_bytes_per_element(source_format_class(src.source_format), 1);
979	vp_height_l = src->viewport_height;
980	vp_width_l = src->viewport_width;
981	vp_height_c = src->viewport_height_c;
982	vp_width_c = src->viewport_width_c;
983
984	// Scaling
985	htaps_l = taps->htaps;
986	htaps_c = taps->htaps_c;
987	hratio_l = scl->hscl_ratio;
988	hratio_c = scl->hscl_ratio_c;
989	vratio_l = scl->vscl_ratio;
990	vratio_c = scl->vscl_ratio_c;
991	scl_enable = scl->scl_enable;
992
993	line_time_in_us = (htotal / pclk_freq_in_mhz);
994//     vinit_l         = scl.vinit;
995//     vinit_c         = scl.vinit_c;
996//     vinit_bot_l     = scl.vinit_bot;
997//     vinit_bot_c     = scl.vinit_bot_c;
998
999//    unsigned int swath_height_l                 = rq_dlg_param->rq_l.swath_height;
1000	swath_width_ub_l = rq_dlg_param->rq_l.swath_width_ub;
1001//    unsigned int dpte_bytes_per_row_ub_l        = rq_dlg_param->rq_l.dpte_bytes_per_row_ub;
1002	dpte_groups_per_row_ub_l = rq_dlg_param->rq_l.dpte_groups_per_row_ub;
1003//    unsigned int meta_pte_bytes_per_frame_ub_l  = rq_dlg_param->rq_l.meta_pte_bytes_per_frame_ub;
1004//    unsigned int meta_bytes_per_row_ub_l        = rq_dlg_param->rq_l.meta_bytes_per_row_ub;
1005
1006//    unsigned int swath_height_c                 = rq_dlg_param->rq_c.swath_height;
1007	swath_width_ub_c = rq_dlg_param->rq_c.swath_width_ub;
1008	//   dpte_bytes_per_row_ub_c        = rq_dlg_param->rq_c.dpte_bytes_per_row_ub;
1009	dpte_groups_per_row_ub_c = rq_dlg_param->rq_c.dpte_groups_per_row_ub;
1010
1011	meta_chunks_per_row_ub_l = rq_dlg_param->rq_l.meta_chunks_per_row_ub;
1012	meta_chunks_per_row_ub_c = rq_dlg_param->rq_c.meta_chunks_per_row_ub;
1013	vupdate_offset = dst->vupdate_offset;
1014	vupdate_width = dst->vupdate_width;
1015	vready_offset = dst->vready_offset;
1016
1017	dppclk_delay_subtotal = mode_lib->ip.dppclk_delay_subtotal;
1018	dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal;
1019
1020	if (scl_enable)
1021		dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl;
1022	else
1023		dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl_lb_only;
1024
1025	dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_cnvc_formatter
1026			+ src->num_cursors * mode_lib->ip.dppclk_delay_cnvc_cursor;
1027
1028	if (dout->dsc_enable) {
1029		double dsc_delay = get_dsc_delay(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1030
1031		dispclk_delay_subtotal += dsc_delay;
1032	}
1033
1034	pixel_rate_delay_subtotal = dppclk_delay_subtotal * pclk_freq_in_mhz / dppclk_freq_in_mhz
1035			+ dispclk_delay_subtotal * pclk_freq_in_mhz / dispclk_freq_in_mhz;
1036
1037	vstartup_start = dst->vstartup_start;
1038	if (interlaced) {
1039		if (vstartup_start / 2.0
1040				- (double) (vready_offset + vupdate_width + vupdate_offset) / htotal
1041				<= vblank_end / 2.0)
1042			disp_dlg_regs->vready_after_vcount0 = 1;
1043		else
1044			disp_dlg_regs->vready_after_vcount0 = 0;
1045	} else {
1046		if (vstartup_start
1047				- (double) (vready_offset + vupdate_width + vupdate_offset) / htotal
1048				<= vblank_end)
1049			disp_dlg_regs->vready_after_vcount0 = 1;
1050		else
1051			disp_dlg_regs->vready_after_vcount0 = 0;
1052	}
1053
1054	// TODO: Where is this coming from?
1055	if (interlaced)
1056		vstartup_start = vstartup_start / 2;
1057
1058	// TODO: What if this min_vblank doesn't match the value in the dml_config_settings.cpp?
1059	if (vstartup_start >= min_vblank) {
1060		dml_print("WARNING: DML_DLG: %s: vblank_start=%d vblank_end=%d\n",
1061				__func__,
1062				vblank_start,
1063				vblank_end);
1064		dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",
1065				__func__,
1066				vstartup_start,
1067				min_vblank);
1068		min_vblank = vstartup_start + 1;
1069		dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",
1070				__func__,
1071				vstartup_start,
1072				min_vblank);
1073	}
1074
1075	dst_x_after_scaler = get_dst_x_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1076	dst_y_after_scaler = get_dst_y_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1077
1078	dml_print("DML_DLG: %s: htotal                                 = %d\n", __func__, htotal);
1079	dml_print("DML_DLG: %s: pixel_rate_delay_subtotal              = %d\n",
1080			__func__,
1081			pixel_rate_delay_subtotal);
1082	dml_print("DML_DLG: %s: dst_x_after_scaler                     = %d\n",
1083			__func__,
1084			dst_x_after_scaler);
1085	dml_print("DML_DLG: %s: dst_y_after_scaler                     = %d\n",
1086			__func__,
1087			dst_y_after_scaler);
1088
1089	// Lwait
1090	line_wait = mode_lib->soc.urgent_latency_us;
1091	if (cstate_en)
1092		line_wait = dml_max(mode_lib->soc.sr_enter_plus_exit_time_us, line_wait);
1093	if (pstate_en)
1094		line_wait = dml_max(mode_lib->soc.dram_clock_change_latency_us
1095						+ mode_lib->soc.urgent_latency_us,
1096				line_wait);
1097	line_wait = line_wait / line_time_in_us;
1098
1099	dst_y_prefetch = get_dst_y_prefetch(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1100	dml_print("DML_DLG: %s: dst_y_prefetch (after rnd) = %3.2f\n", __func__, dst_y_prefetch);
1101
1102	dst_y_per_vm_vblank = get_dst_y_per_vm_vblank(mode_lib,
1103			e2e_pipe_param,
1104			num_pipes,
1105			pipe_idx);
1106	dst_y_per_row_vblank = get_dst_y_per_row_vblank(mode_lib,
1107			e2e_pipe_param,
1108			num_pipes,
1109			pipe_idx);
1110	dst_y_per_vm_flip = get_dst_y_per_vm_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1111	dst_y_per_row_flip = get_dst_y_per_row_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1112
1113	min_dst_y_per_vm_vblank = 8.0;
1114	min_dst_y_per_row_vblank = 16.0;
1115
1116	// magic!
1117	if (htotal <= 75) {
1118		min_vblank = 300;
1119		min_dst_y_per_vm_vblank = 100.0;
1120		min_dst_y_per_row_vblank = 100.0;
1121	}
1122
1123	dml_print("DML_DLG: %s: dst_y_per_vm_vblank    = %3.2f\n", __func__, dst_y_per_vm_vblank);
1124	dml_print("DML_DLG: %s: dst_y_per_row_vblank   = %3.2f\n", __func__, dst_y_per_row_vblank);
1125
1126	ASSERT(dst_y_per_vm_vblank < min_dst_y_per_vm_vblank);
1127	ASSERT(dst_y_per_row_vblank < min_dst_y_per_row_vblank);
1128
1129	ASSERT(dst_y_prefetch > (dst_y_per_vm_vblank + dst_y_per_row_vblank));
1130	lsw = dst_y_prefetch - (dst_y_per_vm_vblank + dst_y_per_row_vblank);
1131
1132	dml_print("DML_DLG: %s: lsw = %3.2f\n", __func__, lsw);
1133
1134	vratio_pre_l = get_vratio_prefetch_l(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1135	vratio_pre_c = get_vratio_prefetch_c(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
1136
1137	dml_print("DML_DLG: %s: vratio_pre_l=%3.2f\n", __func__, vratio_pre_l);
1138	dml_print("DML_DLG: %s: vratio_pre_c=%3.2f\n", __func__, vratio_pre_c);
1139
1140	// Active
1141	req_per_swath_ub_l = rq_dlg_param->rq_l.req_per_swath_ub;
1142	req_per_swath_ub_c = rq_dlg_param->rq_c.req_per_swath_ub;
1143	meta_row_height_l = rq_dlg_param->rq_l.meta_row_height;
1144	meta_row_height_c = rq_dlg_param->rq_c.meta_row_height;
1145	swath_width_pixels_ub_l = 0;
1146	swath_width_pixels_ub_c = 0;
1147	scaler_rec_in_width_l = 0;
1148	scaler_rec_in_width_c = 0;
1149	dpte_row_height_l = rq_dlg_param->rq_l.dpte_row_height;
1150	dpte_row_height_c = rq_dlg_param->rq_c.dpte_row_height;
1151
1152	if (mode_422) {
1153		swath_width_pixels_ub_l = swath_width_ub_l * 2;  // *2 for 2 pixel per element
1154		swath_width_pixels_ub_c = swath_width_ub_c * 2;
1155	} else {
1156		swath_width_pixels_ub_l = swath_width_ub_l * 1;
1157		swath_width_pixels_ub_c = swath_width_ub_c * 1;
1158	}
1159
1160	hscale_pixel_rate_l = 0.;
1161	hscale_pixel_rate_c = 0.;
1162	min_hratio_fact_l = 1.0;
1163	min_hratio_fact_c = 1.0;
1164
1165	if (htaps_l <= 1)
1166		min_hratio_fact_l = 2.0;
1167	else if (htaps_l <= 6) {
1168		if ((hratio_l * 2.0) > 4.0)
1169			min_hratio_fact_l = 4.0;
1170		else
1171			min_hratio_fact_l = hratio_l * 2.0;
1172	} else {
1173		if (hratio_l > 4.0)
1174			min_hratio_fact_l = 4.0;
1175		else
1176			min_hratio_fact_l = hratio_l;
1177	}
1178
1179	hscale_pixel_rate_l = min_hratio_fact_l * dppclk_freq_in_mhz;
1180
1181	if (htaps_c <= 1)
1182		min_hratio_fact_c = 2.0;
1183	else if (htaps_c <= 6) {
1184		if ((hratio_c * 2.0) > 4.0)
1185			min_hratio_fact_c = 4.0;
1186		else
1187			min_hratio_fact_c = hratio_c * 2.0;
1188	} else {
1189		if (hratio_c > 4.0)
1190			min_hratio_fact_c = 4.0;
1191		else
1192			min_hratio_fact_c = hratio_c;
1193	}
1194
1195	hscale_pixel_rate_c = min_hratio_fact_c * dppclk_freq_in_mhz;
1196
1197	refcyc_per_line_delivery_pre_l = 0.;
1198	refcyc_per_line_delivery_pre_c = 0.;
1199	refcyc_per_line_delivery_l = 0.;
1200	refcyc_per_line_delivery_c = 0.;
1201
1202	refcyc_per_req_delivery_pre_l = 0.;
1203	refcyc_per_req_delivery_pre_c = 0.;
1204	refcyc_per_req_delivery_l = 0.;
1205	refcyc_per_req_delivery_c = 0.;
1206
1207	full_recout_width = 0;
1208	// In ODM
1209	if (src->is_hsplit) {
1210		// This "hack"  is only allowed (and valid) for MPC combine. In ODM
1211		// combine, you MUST specify the full_recout_width...according to Oswin
1212		if (dst->full_recout_width == 0 && !dst->odm_combine) {
1213			dml_print("DML_DLG: %s: Warning: full_recout_width not set in hsplit mode\n",
1214					__func__);
1215			full_recout_width = dst->recout_width * 2; // assume half split for dcn1
1216		} else
1217			full_recout_width = dst->full_recout_width;
1218	} else
1219		full_recout_width = dst->recout_width;
1220
1221	// As of DCN2, mpc_combine and odm_combine are mutually exclusive
1222	refcyc_per_line_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
1223			refclk_freq_in_mhz,
1224			pclk_freq_in_mhz,
1225			dst->odm_combine,
1226			full_recout_width,
1227			dst->hactive,
1228			vratio_pre_l,
1229			hscale_pixel_rate_l,
1230			swath_width_pixels_ub_l,
1231			1); // per line
1232
1233	refcyc_per_line_delivery_l = get_refcyc_per_delivery(mode_lib,
1234			refclk_freq_in_mhz,
1235			pclk_freq_in_mhz,
1236			dst->odm_combine,
1237			full_recout_width,
1238			dst->hactive,
1239			vratio_l,
1240			hscale_pixel_rate_l,
1241			swath_width_pixels_ub_l,
1242			1); // per line
1243
1244	dml_print("DML_DLG: %s: full_recout_width              = %d\n",
1245			__func__,
1246			full_recout_width);
1247	dml_print("DML_DLG: %s: hscale_pixel_rate_l            = %3.2f\n",
1248			__func__,
1249			hscale_pixel_rate_l);
1250	dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_l = %3.2f\n",
1251			__func__,
1252			refcyc_per_line_delivery_pre_l);
1253	dml_print("DML_DLG: %s: refcyc_per_line_delivery_l     = %3.2f\n",
1254			__func__,
1255			refcyc_per_line_delivery_l);
1256
1257	if (dual_plane) {
1258		refcyc_per_line_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
1259				refclk_freq_in_mhz,
1260				pclk_freq_in_mhz,
1261				dst->odm_combine,
1262				full_recout_width,
1263				dst->hactive,
1264				vratio_pre_c,
1265				hscale_pixel_rate_c,
1266				swath_width_pixels_ub_c,
1267				1); // per line
1268
1269		refcyc_per_line_delivery_c = get_refcyc_per_delivery(mode_lib,
1270				refclk_freq_in_mhz,
1271				pclk_freq_in_mhz,
1272				dst->odm_combine,
1273				full_recout_width,
1274				dst->hactive,
1275				vratio_c,
1276				hscale_pixel_rate_c,
1277				swath_width_pixels_ub_c,
1278				1);  // per line
1279
1280		dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_c = %3.2f\n",
1281				__func__,
1282				refcyc_per_line_delivery_pre_c);
1283		dml_print("DML_DLG: %s: refcyc_per_line_delivery_c     = %3.2f\n",
1284				__func__,
1285				refcyc_per_line_delivery_c);
1286	}
1287
1288	// TTU - Luma / Chroma
1289	if (access_dir) {  // vertical access
1290		scaler_rec_in_width_l = vp_height_l;
1291		scaler_rec_in_width_c = vp_height_c;
1292	} else {
1293		scaler_rec_in_width_l = vp_width_l;
1294		scaler_rec_in_width_c = vp_width_c;
1295	}
1296
1297	refcyc_per_req_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
1298			refclk_freq_in_mhz,
1299			pclk_freq_in_mhz,
1300			dst->odm_combine,
1301			full_recout_width,
1302			dst->hactive,
1303			vratio_pre_l,
1304			hscale_pixel_rate_l,
1305			scaler_rec_in_width_l,
1306			req_per_swath_ub_l);  // per req
1307	refcyc_per_req_delivery_l = get_refcyc_per_delivery(mode_lib,
1308			refclk_freq_in_mhz,
1309			pclk_freq_in_mhz,
1310			dst->odm_combine,
1311			full_recout_width,
1312			dst->hactive,
1313			vratio_l,
1314			hscale_pixel_rate_l,
1315			scaler_rec_in_width_l,
1316			req_per_swath_ub_l);  // per req
1317
1318	dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_l = %3.2f\n",
1319			__func__,
1320			refcyc_per_req_delivery_pre_l);
1321	dml_print("DML_DLG: %s: refcyc_per_req_delivery_l     = %3.2f\n",
1322			__func__,
1323			refcyc_per_req_delivery_l);
1324
1325	ASSERT(refcyc_per_req_delivery_pre_l < dml_pow(2, 13));
1326	ASSERT(refcyc_per_req_delivery_l < dml_pow(2, 13));
1327
1328	if (dual_plane) {
1329		refcyc_per_req_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
1330				refclk_freq_in_mhz,
1331				pclk_freq_in_mhz,
1332				dst->odm_combine,
1333				full_recout_width,
1334				dst->hactive,
1335				vratio_pre_c,
1336				hscale_pixel_rate_c,
1337				scaler_rec_in_width_c,
1338				req_per_swath_ub_c);  // per req
1339		refcyc_per_req_delivery_c = get_refcyc_per_delivery(mode_lib,
1340				refclk_freq_in_mhz,
1341				pclk_freq_in_mhz,
1342				dst->odm_combine,
1343				full_recout_width,
1344				dst->hactive,
1345				vratio_c,
1346				hscale_pixel_rate_c,
1347				scaler_rec_in_width_c,
1348				req_per_swath_ub_c);  // per req
1349
1350		dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_c = %3.2f\n",
1351				__func__,
1352				refcyc_per_req_delivery_pre_c);
1353		dml_print("DML_DLG: %s: refcyc_per_req_delivery_c     = %3.2f\n",
1354				__func__,
1355				refcyc_per_req_delivery_c);
1356
1357		ASSERT(refcyc_per_req_delivery_pre_c < dml_pow(2, 13));
1358		ASSERT(refcyc_per_req_delivery_c < dml_pow(2, 13));
1359	}
1360
1361	// TTU - Cursor
1362	refcyc_per_req_delivery_pre_cur0 = 0.0;
1363	refcyc_per_req_delivery_cur0 = 0.0;
1364	if (src->num_cursors > 0) {
1365		calculate_ttu_cursor(mode_lib,
1366				&refcyc_per_req_delivery_pre_cur0,
1367				&refcyc_per_req_delivery_cur0,
1368				refclk_freq_in_mhz,
1369				ref_freq_to_pix_freq,
1370				hscale_pixel_rate_l,
1371				scl->hscl_ratio,
1372				vratio_pre_l,
1373				vratio_l,
1374				src->cur0_src_width,
1375				(enum cursor_bpp)(src->cur0_bpp));
1376	}
1377
1378	refcyc_per_req_delivery_pre_cur1 = 0.0;
1379	refcyc_per_req_delivery_cur1 = 0.0;
1380	if (src->num_cursors > 1) {
1381		calculate_ttu_cursor(mode_lib,
1382				&refcyc_per_req_delivery_pre_cur1,
1383				&refcyc_per_req_delivery_cur1,
1384				refclk_freq_in_mhz,
1385				ref_freq_to_pix_freq,
1386				hscale_pixel_rate_l,
1387				scl->hscl_ratio,
1388				vratio_pre_l,
1389				vratio_l,
1390				src->cur1_src_width,
1391				(enum cursor_bpp)(src->cur1_bpp));
1392	}
1393
1394	// TTU - Misc
1395	// all hard-coded
1396
1397	// Assignment to register structures
1398	disp_dlg_regs->dst_y_after_scaler = dst_y_after_scaler; // in terms of line
1399	disp_dlg_regs->refcyc_x_after_scaler = dst_x_after_scaler * ref_freq_to_pix_freq; // in terms of refclk
1400	ASSERT(disp_dlg_regs->refcyc_x_after_scaler < (unsigned int) dml_pow(2, 13));
1401	disp_dlg_regs->dst_y_prefetch = (unsigned int) (dst_y_prefetch * dml_pow(2, 2));
1402	disp_dlg_regs->dst_y_per_vm_vblank = (unsigned int) (dst_y_per_vm_vblank * dml_pow(2, 2));
1403	disp_dlg_regs->dst_y_per_row_vblank = (unsigned int) (dst_y_per_row_vblank * dml_pow(2, 2));
1404	disp_dlg_regs->dst_y_per_vm_flip = (unsigned int) (dst_y_per_vm_flip * dml_pow(2, 2));
1405	disp_dlg_regs->dst_y_per_row_flip = (unsigned int) (dst_y_per_row_flip * dml_pow(2, 2));
1406
1407	disp_dlg_regs->vratio_prefetch = (unsigned int) (vratio_pre_l * dml_pow(2, 19));
1408	disp_dlg_regs->vratio_prefetch_c = (unsigned int) (vratio_pre_c * dml_pow(2, 19));
1409
1410	disp_dlg_regs->refcyc_per_pte_group_vblank_l =
1411			(unsigned int) (dst_y_per_row_vblank * (double) htotal
1412					* ref_freq_to_pix_freq / (double) dpte_groups_per_row_ub_l);
1413	ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int) dml_pow(2, 13));
1414
1415	if (dual_plane) {
1416		disp_dlg_regs->refcyc_per_pte_group_vblank_c = (unsigned int) (dst_y_per_row_vblank
1417				* (double) htotal * ref_freq_to_pix_freq
1418				/ (double) dpte_groups_per_row_ub_c);
1419		ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_c
1420						< (unsigned int) dml_pow(2, 13));
1421	}
1422
1423	disp_dlg_regs->refcyc_per_meta_chunk_vblank_l =
1424			(unsigned int) (dst_y_per_row_vblank * (double) htotal
1425					* ref_freq_to_pix_freq / (double) meta_chunks_per_row_ub_l);
1426	ASSERT(disp_dlg_regs->refcyc_per_meta_chunk_vblank_l < (unsigned int) dml_pow(2, 13));
1427
1428	disp_dlg_regs->refcyc_per_meta_chunk_vblank_c =
1429			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
1430
1431	disp_dlg_regs->refcyc_per_pte_group_flip_l = (unsigned int) (dst_y_per_row_flip * htotal
1432			* ref_freq_to_pix_freq) / dpte_groups_per_row_ub_l;
1433	disp_dlg_regs->refcyc_per_meta_chunk_flip_l = (unsigned int) (dst_y_per_row_flip * htotal
1434			* ref_freq_to_pix_freq) / meta_chunks_per_row_ub_l;
1435
1436	if (dual_plane) {
1437		disp_dlg_regs->refcyc_per_pte_group_flip_c = (unsigned int) (dst_y_per_row_flip
1438				* htotal * ref_freq_to_pix_freq) / dpte_groups_per_row_ub_c;
1439		disp_dlg_regs->refcyc_per_meta_chunk_flip_c = (unsigned int) (dst_y_per_row_flip
1440				* htotal * ref_freq_to_pix_freq) / meta_chunks_per_row_ub_c;
1441	}
1442
1443	disp_dlg_regs->dst_y_per_pte_row_nom_l = (unsigned int) ((double) dpte_row_height_l
1444			/ (double) vratio_l * dml_pow(2, 2));
1445	ASSERT(disp_dlg_regs->dst_y_per_pte_row_nom_l < (unsigned int) dml_pow(2, 17));
1446
1447	if (dual_plane) {
1448		disp_dlg_regs->dst_y_per_pte_row_nom_c = (unsigned int) ((double) dpte_row_height_c
1449				/ (double) vratio_c * dml_pow(2, 2));
1450		if (disp_dlg_regs->dst_y_per_pte_row_nom_c >= (unsigned int) dml_pow(2, 17)) {
1451			dml_print("DML_DLG: %s: Warning dst_y_per_pte_row_nom_c %u larger than supported by register format U15.2 %u\n",
1452					__func__,
1453					disp_dlg_regs->dst_y_per_pte_row_nom_c,
1454					(unsigned int) dml_pow(2, 17) - 1);
1455		}
1456	}
1457
1458	disp_dlg_regs->dst_y_per_meta_row_nom_l = (unsigned int) ((double) meta_row_height_l
1459			/ (double) vratio_l * dml_pow(2, 2));
1460	ASSERT(disp_dlg_regs->dst_y_per_meta_row_nom_l < (unsigned int) dml_pow(2, 17));
1461
1462	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
1463
1464	disp_dlg_regs->refcyc_per_pte_group_nom_l = (unsigned int) ((double) dpte_row_height_l
1465			/ (double) vratio_l * (double) htotal * ref_freq_to_pix_freq
1466			/ (double) dpte_groups_per_row_ub_l);
1467	if (disp_dlg_regs->refcyc_per_pte_group_nom_l >= (unsigned int) dml_pow(2, 23))
1468		disp_dlg_regs->refcyc_per_pte_group_nom_l = dml_pow(2, 23) - 1;
1469	disp_dlg_regs->refcyc_per_meta_chunk_nom_l = (unsigned int) ((double) meta_row_height_l
1470			/ (double) vratio_l * (double) htotal * ref_freq_to_pix_freq
1471			/ (double) meta_chunks_per_row_ub_l);
1472	if (disp_dlg_regs->refcyc_per_meta_chunk_nom_l >= (unsigned int) dml_pow(2, 23))
1473		disp_dlg_regs->refcyc_per_meta_chunk_nom_l = dml_pow(2, 23) - 1;
1474
1475	if (dual_plane) {
1476		disp_dlg_regs->refcyc_per_pte_group_nom_c =
1477				(unsigned int) ((double) dpte_row_height_c / (double) vratio_c
1478						* (double) htotal * ref_freq_to_pix_freq
1479						/ (double) dpte_groups_per_row_ub_c);
1480		if (disp_dlg_regs->refcyc_per_pte_group_nom_c >= (unsigned int) dml_pow(2, 23))
1481			disp_dlg_regs->refcyc_per_pte_group_nom_c = dml_pow(2, 23) - 1;
1482
1483		// TODO: Is this the right calculation? Does htotal need to be halved?
1484		disp_dlg_regs->refcyc_per_meta_chunk_nom_c =
1485				(unsigned int) ((double) meta_row_height_c / (double) vratio_c
1486						* (double) htotal * ref_freq_to_pix_freq
1487						/ (double) meta_chunks_per_row_ub_c);
1488		if (disp_dlg_regs->refcyc_per_meta_chunk_nom_c >= (unsigned int) dml_pow(2, 23))
1489			disp_dlg_regs->refcyc_per_meta_chunk_nom_c = dml_pow(2, 23) - 1;
1490	}
1491
1492	disp_dlg_regs->refcyc_per_line_delivery_pre_l = (unsigned int) dml_floor(refcyc_per_line_delivery_pre_l,
1493			1);
1494	disp_dlg_regs->refcyc_per_line_delivery_l = (unsigned int) dml_floor(refcyc_per_line_delivery_l,
1495			1);
1496	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_l < (unsigned int) dml_pow(2, 13));
1497	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_l < (unsigned int) dml_pow(2, 13));
1498
1499	disp_dlg_regs->refcyc_per_line_delivery_pre_c = (unsigned int) dml_floor(refcyc_per_line_delivery_pre_c,
1500			1);
1501	disp_dlg_regs->refcyc_per_line_delivery_c = (unsigned int) dml_floor(refcyc_per_line_delivery_c,
1502			1);
1503	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_c < (unsigned int) dml_pow(2, 13));
1504	ASSERT(disp_dlg_regs->refcyc_per_line_delivery_c < (unsigned int) dml_pow(2, 13));
1505
1506	disp_dlg_regs->chunk_hdl_adjust_cur0 = 3;
1507	disp_dlg_regs->dst_y_offset_cur0 = 0;
1508	disp_dlg_regs->chunk_hdl_adjust_cur1 = 3;
1509	disp_dlg_regs->dst_y_offset_cur1 = 0;
1510
1511	disp_dlg_regs->dst_y_delta_drq_limit = 0x7fff; // off
1512
1513	disp_ttu_regs->refcyc_per_req_delivery_pre_l = (unsigned int) (refcyc_per_req_delivery_pre_l
1514			* dml_pow(2, 10));
1515	disp_ttu_regs->refcyc_per_req_delivery_l = (unsigned int) (refcyc_per_req_delivery_l
1516			* dml_pow(2, 10));
1517	disp_ttu_regs->refcyc_per_req_delivery_pre_c = (unsigned int) (refcyc_per_req_delivery_pre_c
1518			* dml_pow(2, 10));
1519	disp_ttu_regs->refcyc_per_req_delivery_c = (unsigned int) (refcyc_per_req_delivery_c
1520			* dml_pow(2, 10));
1521	disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 =
1522			(unsigned int) (refcyc_per_req_delivery_pre_cur0 * dml_pow(2, 10));
1523	disp_ttu_regs->refcyc_per_req_delivery_cur0 = (unsigned int) (refcyc_per_req_delivery_cur0
1524			* dml_pow(2, 10));
1525	disp_ttu_regs->refcyc_per_req_delivery_pre_cur1 =
1526			(unsigned int) (refcyc_per_req_delivery_pre_cur1 * dml_pow(2, 10));
1527	disp_ttu_regs->refcyc_per_req_delivery_cur1 = (unsigned int) (refcyc_per_req_delivery_cur1
1528			* dml_pow(2, 10));
1529	disp_ttu_regs->qos_level_low_wm = 0;
1530	ASSERT(disp_ttu_regs->qos_level_low_wm < dml_pow(2, 14));
1531	disp_ttu_regs->qos_level_high_wm = (unsigned int) (4.0 * (double) htotal
1532			* ref_freq_to_pix_freq);
1533	/*ASSERT(disp_ttu_regs->qos_level_high_wm < dml_pow(2, 14));*/
1534
1535	disp_ttu_regs->qos_level_flip = 14;
1536	disp_ttu_regs->qos_level_fixed_l = 8;
1537	disp_ttu_regs->qos_level_fixed_c = 8;
1538	disp_ttu_regs->qos_level_fixed_cur0 = 8;
1539	disp_ttu_regs->qos_ramp_disable_l = 0;
1540	disp_ttu_regs->qos_ramp_disable_c = 0;
1541	disp_ttu_regs->qos_ramp_disable_cur0 = 0;
1542
1543	disp_ttu_regs->min_ttu_vblank = min_ttu_vblank * refclk_freq_in_mhz;
1544	ASSERT(disp_ttu_regs->min_ttu_vblank < dml_pow(2, 24));
1545
1546	print__ttu_regs_st(mode_lib, disp_ttu_regs);
1547	print__dlg_regs_st(mode_lib, disp_dlg_regs);
1548}
1549
1550void dml20v2_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
1551		display_dlg_regs_st *dlg_regs,
1552		display_ttu_regs_st *ttu_regs,
1553		const display_e2e_pipe_params_st *e2e_pipe_param,
1554		const unsigned int num_pipes,
1555		const unsigned int pipe_idx,
1556		const bool cstate_en,
1557		const bool pstate_en,
1558		const bool vm_en,
1559		const bool ignore_viewport_pos,
1560		const bool immediate_flip_support)
1561{
1562	display_rq_params_st rq_param = {0};
1563	display_dlg_sys_params_st dlg_sys_param = {0};
1564
1565	// Get watermark and Tex.
1566	dlg_sys_param.t_urg_wm_us = get_wm_urgent(mode_lib, e2e_pipe_param, num_pipes);
1567	dlg_sys_param.deepsleep_dcfclk_mhz = get_clk_dcf_deepsleep(mode_lib,
1568			e2e_pipe_param,
1569			num_pipes);
1570	dlg_sys_param.t_extra_us = get_urgent_extra_latency(mode_lib, e2e_pipe_param, num_pipes);
1571	dlg_sys_param.mem_trip_us = get_wm_memory_trip(mode_lib, e2e_pipe_param, num_pipes);
1572	dlg_sys_param.t_mclk_wm_us = get_wm_dram_clock_change(mode_lib, e2e_pipe_param, num_pipes);
1573	dlg_sys_param.t_sr_wm_us = get_wm_stutter_enter_exit(mode_lib, e2e_pipe_param, num_pipes);
1574	dlg_sys_param.total_flip_bw = get_total_immediate_flip_bw(mode_lib,
1575			e2e_pipe_param,
1576			num_pipes);
1577	dlg_sys_param.total_flip_bytes = get_total_immediate_flip_bytes(mode_lib,
1578			e2e_pipe_param,
1579			num_pipes);
1580
1581	print__dlg_sys_params_st(mode_lib, &dlg_sys_param);
1582
1583	// system parameter calculation done
1584
1585	dml_print("DML_DLG: Calculation for pipe[%d] start\n\n", pipe_idx);
1586	dml20v2_rq_dlg_get_rq_params(mode_lib, &rq_param, &e2e_pipe_param[pipe_idx].pipe.src);
1587	dml20v2_rq_dlg_get_dlg_params(mode_lib,
1588			e2e_pipe_param,
1589			num_pipes,
1590			pipe_idx,
1591			dlg_regs,
1592			ttu_regs,
1593			&rq_param.dlg,
1594			&dlg_sys_param,
1595			cstate_en,
1596			pstate_en);
1597	dml_print("DML_DLG: Calculation for pipe[%d] end\n", pipe_idx);
1598}
1599
1600static void calculate_ttu_cursor(struct display_mode_lib *mode_lib,
1601		double *refcyc_per_req_delivery_pre_cur,
1602		double *refcyc_per_req_delivery_cur,
1603		double refclk_freq_in_mhz,
1604		double ref_freq_to_pix_freq,
1605		double hscale_pixel_rate_l,
1606		double hscl_ratio,
1607		double vratio_pre_l,
1608		double vratio_l,
1609		unsigned int cur_width,
1610		enum cursor_bpp cur_bpp)
1611{
1612	unsigned int cur_src_width = cur_width;
1613	unsigned int cur_req_size = 0;
1614	unsigned int cur_req_width = 0;
1615	double cur_width_ub = 0.0;
1616	double cur_req_per_width = 0.0;
1617	double hactive_cur = 0.0;
1618
1619	ASSERT(cur_src_width <= 256);
1620
1621	*refcyc_per_req_delivery_pre_cur = 0.0;
1622	*refcyc_per_req_delivery_cur = 0.0;
1623	if (cur_src_width > 0) {
1624		unsigned int cur_bit_per_pixel = 0;
1625
1626		if (cur_bpp == dm_cur_2bit) {
1627			cur_req_size = 64; // byte
1628			cur_bit_per_pixel = 2;
1629		} else { // 32bit
1630			cur_bit_per_pixel = 32;
1631			if (cur_src_width >= 1 && cur_src_width <= 16)
1632				cur_req_size = 64;
1633			else if (cur_src_width >= 17 && cur_src_width <= 31)
1634				cur_req_size = 128;
1635			else
1636				cur_req_size = 256;
1637		}
1638
1639		cur_req_width = (double) cur_req_size / ((double) cur_bit_per_pixel / 8.0);
1640		cur_width_ub = dml_ceil((double) cur_src_width / (double) cur_req_width, 1)
1641				* (double) cur_req_width;
1642		cur_req_per_width = cur_width_ub / (double) cur_req_width;
1643		hactive_cur = (double) cur_src_width / hscl_ratio; // TODO: oswin to think about what to do for cursor
1644
1645		if (vratio_pre_l <= 1.0) {
1646			*refcyc_per_req_delivery_pre_cur = hactive_cur * ref_freq_to_pix_freq
1647					/ (double) cur_req_per_width;
1648		} else {
1649			*refcyc_per_req_delivery_pre_cur = (double) refclk_freq_in_mhz
1650					* (double) cur_src_width / hscale_pixel_rate_l
1651					/ (double) cur_req_per_width;
1652		}
1653
1654		ASSERT(*refcyc_per_req_delivery_pre_cur < dml_pow(2, 13));
1655
1656		if (vratio_l <= 1.0) {
1657			*refcyc_per_req_delivery_cur = hactive_cur * ref_freq_to_pix_freq
1658					/ (double) cur_req_per_width;
1659		} else {
1660			*refcyc_per_req_delivery_cur = (double) refclk_freq_in_mhz
1661					* (double) cur_src_width / hscale_pixel_rate_l
1662					/ (double) cur_req_per_width;
1663		}
1664
1665		dml_print("DML_DLG: %s: cur_req_width                     = %d\n",
1666				__func__,
1667				cur_req_width);
1668		dml_print("DML_DLG: %s: cur_width_ub                      = %3.2f\n",
1669				__func__,
1670				cur_width_ub);
1671		dml_print("DML_DLG: %s: cur_req_per_width                 = %3.2f\n",
1672				__func__,
1673				cur_req_per_width);
1674		dml_print("DML_DLG: %s: hactive_cur                       = %3.2f\n",
1675				__func__,
1676				hactive_cur);
1677		dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_cur   = %3.2f\n",
1678				__func__,
1679				*refcyc_per_req_delivery_pre_cur);
1680		dml_print("DML_DLG: %s: refcyc_per_req_delivery_cur       = %3.2f\n",
1681				__func__,
1682				*refcyc_per_req_delivery_cur);
1683
1684		ASSERT(*refcyc_per_req_delivery_cur < dml_pow(2, 13));
1685	}
1686}
1687