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 //
38 static 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 //
46 static 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 
65 static 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 
get_bytes_per_element(enum source_format_class source_format,bool is_chroma)79 static 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 
is_dual_plane(enum source_format_class source_format)108 static 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 
get_refcyc_per_delivery(struct display_mode_lib * mode_lib,double refclk_freq_in_mhz,double pclk_freq_in_mhz,bool odm_combine,unsigned int recout_width,unsigned int hactive,double vratio,double hscale_pixel_rate,unsigned int delivery_width,unsigned int req_per_swath_ub)118 static 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 
get_blk_size_bytes(const enum source_macro_tile_size tile_size)155 static 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 
extract_rq_sizing_regs(struct display_mode_lib * mode_lib,display_data_rq_regs_st * rq_regs,const display_data_rq_sizing_params_st * rq_sizing)165 static 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 
extract_rq_regs(struct display_mode_lib * mode_lib,display_rq_regs_st * rq_regs,const display_rq_params_st * rq_param)189 static 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 
handle_det_buf_split(struct display_mode_lib * mode_lib,display_rq_params_st * rq_param,const display_pipe_source_params_st * pipe_src_param)234 static 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 
get_meta_and_pte_attr(struct display_mode_lib * mode_lib,display_data_rq_dlg_params_st * rq_dlg_param,display_data_rq_misc_params_st * rq_misc_param,display_data_rq_sizing_params_st * rq_sizing_param,unsigned int vp_width,unsigned int vp_height,unsigned int data_pitch,unsigned int meta_pitch,unsigned int source_format,unsigned int tiling,unsigned int macro_tile_size,unsigned int source_scan,unsigned int is_chroma)334 static 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 
get_surf_rq_param(struct display_mode_lib * mode_lib,display_data_rq_sizing_params_st * rq_sizing_param,display_data_rq_dlg_params_st * rq_dlg_param,display_data_rq_misc_params_st * rq_misc_param,const display_pipe_source_params_st * pipe_src_param,bool is_chroma)684 static 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 
dml20v2_rq_dlg_get_rq_params(struct display_mode_lib * mode_lib,display_rq_params_st * rq_param,const display_pipe_source_params_st * pipe_src_param)738 static 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 
dml20v2_rq_dlg_get_rq_reg(struct display_mode_lib * mode_lib,display_rq_regs_st * rq_regs,const display_pipe_params_st * pipe_param)769 void 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.
dml20v2_rq_dlg_get_dlg_params(struct display_mode_lib * mode_lib,const display_e2e_pipe_params_st * e2e_pipe_param,const unsigned int num_pipes,const unsigned int pipe_idx,display_dlg_regs_st * disp_dlg_regs,display_ttu_regs_st * disp_ttu_regs,const display_rq_dlg_params_st * rq_dlg_param,const display_dlg_sys_params_st * dlg_sys_param,const bool cstate_en,const bool pstate_en)784 static 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 
dml20v2_rq_dlg_get_dlg_reg(struct display_mode_lib * mode_lib,display_dlg_regs_st * dlg_regs,display_ttu_regs_st * ttu_regs,const display_e2e_pipe_params_st * e2e_pipe_param,const unsigned int num_pipes,const unsigned int pipe_idx,const bool cstate_en,const bool pstate_en,const bool vm_en,const bool ignore_viewport_pos,const bool immediate_flip_support)1550 void 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 
calculate_ttu_cursor(struct display_mode_lib * mode_lib,double * refcyc_per_req_delivery_pre_cur,double * refcyc_per_req_delivery_cur,double refclk_freq_in_mhz,double ref_freq_to_pix_freq,double hscale_pixel_rate_l,double hscl_ratio,double vratio_pre_l,double vratio_l,unsigned int cur_width,enum cursor_bpp cur_bpp)1600 static 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