1 /*
2 * Copyright 2012-15 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 "reg_helper.h"
27 #include "dcn20_optc.h"
28 #include "dc.h"
29
30 #define REG(reg)\
31 optc1->tg_regs->reg
32
33 #define CTX \
34 optc1->base.ctx
35
36 #undef FN
37 #define FN(reg_name, field_name) \
38 optc1->tg_shift->field_name, optc1->tg_mask->field_name
39
40 /**
41 * optc2_enable_crtc() - Enable CRTC - call ASIC Control Object to enable Timing generator.
42 *
43 * @optc: timing_generator instance.
44 *
45 * Return: If CRTC is enabled, return true.
46 *
47 */
optc2_enable_crtc(struct timing_generator * optc)48 bool optc2_enable_crtc(struct timing_generator *optc)
49 {
50 /* TODO FPGA wait for answer
51 * OTG_MASTER_UPDATE_MODE != CRTC_MASTER_UPDATE_MODE
52 * OTG_MASTER_UPDATE_LOCK != CRTC_MASTER_UPDATE_LOCK
53 */
54 struct optc *optc1 = DCN10TG_FROM_TG(optc);
55
56 /* opp instance for OTG. For DCN1.0, ODM is remoed.
57 * OPP and OPTC should 1:1 mapping
58 */
59 REG_UPDATE(OPTC_DATA_SOURCE_SELECT,
60 OPTC_SEG0_SRC_SEL, optc->inst);
61
62 /* VTG enable first is for HW workaround */
63 REG_UPDATE(CONTROL,
64 VTG0_ENABLE, 1);
65
66 REG_SEQ_START();
67
68 /* Enable CRTC */
69 REG_UPDATE_2(OTG_CONTROL,
70 OTG_DISABLE_POINT_CNTL, 3,
71 OTG_MASTER_EN, 1);
72
73 REG_SEQ_SUBMIT();
74 REG_SEQ_WAIT_DONE();
75
76 return true;
77 }
78
79 /**
80 * optc2_set_gsl() - Assign OTG to GSL groups,
81 * set one of the OTGs to be master & rest are slaves
82 *
83 * @optc: timing_generator instance.
84 * @params: pointer to gsl_params
85 */
optc2_set_gsl(struct timing_generator * optc,const struct gsl_params * params)86 void optc2_set_gsl(struct timing_generator *optc,
87 const struct gsl_params *params)
88 {
89 struct optc *optc1 = DCN10TG_FROM_TG(optc);
90
91 /*
92 * There are (MAX_OPTC+1)/2 gsl groups available for use.
93 * In each group (assign an OTG to a group by setting OTG_GSLX_EN = 1,
94 * set one of the OTGs to be the master (OTG_GSL_MASTER_EN = 1) and the rest are slaves.
95 */
96 REG_UPDATE_5(OTG_GSL_CONTROL,
97 OTG_GSL0_EN, params->gsl0_en,
98 OTG_GSL1_EN, params->gsl1_en,
99 OTG_GSL2_EN, params->gsl2_en,
100 OTG_GSL_MASTER_EN, params->gsl_master_en,
101 OTG_GSL_MASTER_MODE, params->gsl_master_mode);
102 }
103
104
optc2_set_gsl_source_select(struct timing_generator * optc,int group_idx,uint32_t gsl_ready_signal)105 void optc2_set_gsl_source_select(
106 struct timing_generator *optc,
107 int group_idx,
108 uint32_t gsl_ready_signal)
109 {
110 struct optc *optc1 = DCN10TG_FROM_TG(optc);
111
112 switch (group_idx) {
113 case 1:
114 REG_UPDATE(GSL_SOURCE_SELECT, GSL0_READY_SOURCE_SEL, gsl_ready_signal);
115 break;
116 case 2:
117 REG_UPDATE(GSL_SOURCE_SELECT, GSL1_READY_SOURCE_SEL, gsl_ready_signal);
118 break;
119 case 3:
120 REG_UPDATE(GSL_SOURCE_SELECT, GSL2_READY_SOURCE_SEL, gsl_ready_signal);
121 break;
122 default:
123 break;
124 }
125 }
126
127 /* Set DSC-related configuration.
128 * dsc_mode: 0 disables DSC, other values enable DSC in specified format
129 * sc_bytes_per_pixel: Bytes per pixel in u3.28 format
130 * dsc_slice_width: Slice width in pixels
131 */
optc2_set_dsc_config(struct timing_generator * optc,enum optc_dsc_mode dsc_mode,uint32_t dsc_bytes_per_pixel,uint32_t dsc_slice_width)132 void optc2_set_dsc_config(struct timing_generator *optc,
133 enum optc_dsc_mode dsc_mode,
134 uint32_t dsc_bytes_per_pixel,
135 uint32_t dsc_slice_width)
136 {
137 struct optc *optc1 = DCN10TG_FROM_TG(optc);
138
139 REG_UPDATE(OPTC_DATA_FORMAT_CONTROL,
140 OPTC_DSC_MODE, dsc_mode);
141
142 REG_SET(OPTC_BYTES_PER_PIXEL, 0,
143 OPTC_DSC_BYTES_PER_PIXEL, dsc_bytes_per_pixel);
144
145 REG_UPDATE(OPTC_WIDTH_CONTROL,
146 OPTC_DSC_SLICE_WIDTH, dsc_slice_width);
147 }
148
149 /* Get DSC-related configuration.
150 * dsc_mode: 0 disables DSC, other values enable DSC in specified format
151 */
optc2_get_dsc_status(struct timing_generator * optc,uint32_t * dsc_mode)152 void optc2_get_dsc_status(struct timing_generator *optc,
153 uint32_t *dsc_mode)
154 {
155 struct optc *optc1 = DCN10TG_FROM_TG(optc);
156
157 REG_GET(OPTC_DATA_FORMAT_CONTROL,
158 OPTC_DSC_MODE, dsc_mode);
159 }
160
161
162 /*TEMP: Need to figure out inheritance model here.*/
optc2_is_two_pixels_per_containter(const struct dc_crtc_timing * timing)163 bool optc2_is_two_pixels_per_containter(const struct dc_crtc_timing *timing)
164 {
165 return optc1_is_two_pixels_per_containter(timing);
166 }
167
optc2_set_odm_bypass(struct timing_generator * optc,const struct dc_crtc_timing * dc_crtc_timing)168 void optc2_set_odm_bypass(struct timing_generator *optc,
169 const struct dc_crtc_timing *dc_crtc_timing)
170 {
171 struct optc *optc1 = DCN10TG_FROM_TG(optc);
172 uint32_t h_div_2 = 0;
173
174 REG_SET_3(OPTC_DATA_SOURCE_SELECT, 0,
175 OPTC_NUM_OF_INPUT_SEGMENT, 0,
176 OPTC_SEG0_SRC_SEL, optc->inst,
177 OPTC_SEG1_SRC_SEL, 0xf);
178 REG_WRITE(OTG_H_TIMING_CNTL, 0);
179
180 h_div_2 = optc2_is_two_pixels_per_containter(dc_crtc_timing);
181 REG_UPDATE(OTG_H_TIMING_CNTL,
182 OTG_H_TIMING_DIV_BY2, h_div_2);
183 REG_SET(OPTC_MEMORY_CONFIG, 0,
184 OPTC_MEM_SEL, 0);
185 optc1->opp_count = 1;
186 }
187
optc2_set_odm_combine(struct timing_generator * optc,int * opp_id,int opp_cnt,struct dc_crtc_timing * timing)188 void optc2_set_odm_combine(struct timing_generator *optc, int *opp_id, int opp_cnt,
189 struct dc_crtc_timing *timing)
190 {
191 struct optc *optc1 = DCN10TG_FROM_TG(optc);
192 int mpcc_hactive = (timing->h_addressable + timing->h_border_left + timing->h_border_right)
193 / opp_cnt;
194 uint32_t memory_mask;
195
196 ASSERT(opp_cnt == 2);
197
198 /* TODO: In pseudocode but does not affect maximus, delete comment if we dont need on asic
199 * REG_SET(OTG_GLOBAL_CONTROL2, 0, GLOBAL_UPDATE_LOCK_EN, 1);
200 * Program OTG register MASTER_UPDATE_LOCK_DB_X/Y to the position before DP frame start
201 * REG_SET_2(OTG_GLOBAL_CONTROL1, 0,
202 * MASTER_UPDATE_LOCK_DB_X, 160,
203 * MASTER_UPDATE_LOCK_DB_Y, 240);
204 */
205
206 /* 2 pieces of memory required for up to 5120 displays, 4 for up to 8192,
207 * however, for ODM combine we can simplify by always using 4.
208 * To make sure there's no overlap, each instance "reserves" 2 memories and
209 * they are uniquely combined here.
210 */
211 memory_mask = 0x3 << (opp_id[0] * 2) | 0x3 << (opp_id[1] * 2);
212
213 if (REG(OPTC_MEMORY_CONFIG))
214 REG_SET(OPTC_MEMORY_CONFIG, 0,
215 OPTC_MEM_SEL, memory_mask);
216
217 REG_SET_3(OPTC_DATA_SOURCE_SELECT, 0,
218 OPTC_NUM_OF_INPUT_SEGMENT, 1,
219 OPTC_SEG0_SRC_SEL, opp_id[0],
220 OPTC_SEG1_SRC_SEL, opp_id[1]);
221
222 REG_UPDATE(OPTC_WIDTH_CONTROL,
223 OPTC_SEGMENT_WIDTH, mpcc_hactive);
224
225 REG_SET(OTG_H_TIMING_CNTL, 0, OTG_H_TIMING_DIV_BY2, 1);
226 optc1->opp_count = opp_cnt;
227 }
228
optc2_get_optc_source(struct timing_generator * optc,uint32_t * num_of_src_opp,uint32_t * src_opp_id_0,uint32_t * src_opp_id_1)229 void optc2_get_optc_source(struct timing_generator *optc,
230 uint32_t *num_of_src_opp,
231 uint32_t *src_opp_id_0,
232 uint32_t *src_opp_id_1)
233 {
234 uint32_t num_of_input_segments;
235 struct optc *optc1 = DCN10TG_FROM_TG(optc);
236
237 REG_GET_3(OPTC_DATA_SOURCE_SELECT,
238 OPTC_NUM_OF_INPUT_SEGMENT, &num_of_input_segments,
239 OPTC_SEG0_SRC_SEL, src_opp_id_0,
240 OPTC_SEG1_SRC_SEL, src_opp_id_1);
241
242 if (num_of_input_segments == 1)
243 *num_of_src_opp = 2;
244 else
245 *num_of_src_opp = 1;
246
247 /* Work around VBIOS not updating OPTC_NUM_OF_INPUT_SEGMENT */
248 if (*src_opp_id_1 == 0xf)
249 *num_of_src_opp = 1;
250 }
251
optc2_set_dwb_source(struct timing_generator * optc,uint32_t dwb_pipe_inst)252 static void optc2_set_dwb_source(struct timing_generator *optc,
253 uint32_t dwb_pipe_inst)
254 {
255 struct optc *optc1 = DCN10TG_FROM_TG(optc);
256
257 if (dwb_pipe_inst == 0)
258 REG_UPDATE(DWB_SOURCE_SELECT,
259 OPTC_DWB0_SOURCE_SELECT, optc->inst);
260 else if (dwb_pipe_inst == 1)
261 REG_UPDATE(DWB_SOURCE_SELECT,
262 OPTC_DWB1_SOURCE_SELECT, optc->inst);
263 }
264
optc2_align_vblanks(struct timing_generator * optc_master,struct timing_generator * optc_slave,uint32_t master_pixel_clock_100Hz,uint32_t slave_pixel_clock_100Hz,uint8_t master_clock_divider,uint8_t slave_clock_divider)265 static void optc2_align_vblanks(
266 struct timing_generator *optc_master,
267 struct timing_generator *optc_slave,
268 uint32_t master_pixel_clock_100Hz,
269 uint32_t slave_pixel_clock_100Hz,
270 uint8_t master_clock_divider,
271 uint8_t slave_clock_divider)
272 {
273 /* accessing slave OTG registers */
274 struct optc *optc1 = DCN10TG_FROM_TG(optc_slave);
275
276 uint32_t master_v_active = 0;
277 uint32_t master_h_total = 0;
278 uint32_t slave_h_total = 0;
279 uint64_t L, XY;
280 uint32_t X, Y, p = 10000;
281 uint32_t master_update_lock;
282
283 /* disable slave OTG */
284 REG_UPDATE(OTG_CONTROL, OTG_MASTER_EN, 0);
285 /* wait until disabled */
286 REG_WAIT(OTG_CONTROL,
287 OTG_CURRENT_MASTER_EN_STATE,
288 0, 10, 5000);
289
290 REG_GET(OTG_H_TOTAL, OTG_H_TOTAL, &slave_h_total);
291
292 /* assign slave OTG to be controlled by master update lock */
293 REG_SET(OTG_GLOBAL_CONTROL0, 0,
294 OTG_MASTER_UPDATE_LOCK_SEL, optc_master->inst);
295
296 /* accessing master OTG registers */
297 optc1 = DCN10TG_FROM_TG(optc_master);
298
299 /* saving update lock state, not sure if it's needed */
300 REG_GET(OTG_MASTER_UPDATE_LOCK,
301 OTG_MASTER_UPDATE_LOCK, &master_update_lock);
302 /* unlocking master OTG */
303 REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
304 OTG_MASTER_UPDATE_LOCK, 0);
305
306 REG_GET(OTG_V_BLANK_START_END,
307 OTG_V_BLANK_START, &master_v_active);
308 REG_GET(OTG_H_TOTAL, OTG_H_TOTAL, &master_h_total);
309
310 /* calculate when to enable slave OTG */
311 L = (uint64_t)p * slave_h_total * master_pixel_clock_100Hz;
312 L = div_u64(L, master_h_total);
313 L = div_u64(L, slave_pixel_clock_100Hz);
314 XY = div_u64(L, p);
315 Y = master_v_active - XY - 1;
316 X = div_u64(((XY + 1) * p - L) * master_h_total, p * master_clock_divider);
317
318 /*
319 * set master OTG to unlock when V/H
320 * counters reach calculated values
321 */
322 REG_UPDATE(OTG_GLOBAL_CONTROL1,
323 MASTER_UPDATE_LOCK_DB_EN, 1);
324 REG_UPDATE_2(OTG_GLOBAL_CONTROL1,
325 MASTER_UPDATE_LOCK_DB_X,
326 X,
327 MASTER_UPDATE_LOCK_DB_Y,
328 Y);
329
330 /* lock master OTG */
331 REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
332 OTG_MASTER_UPDATE_LOCK, 1);
333 REG_WAIT(OTG_MASTER_UPDATE_LOCK,
334 UPDATE_LOCK_STATUS, 1, 1, 10);
335
336 /* accessing slave OTG registers */
337 optc1 = DCN10TG_FROM_TG(optc_slave);
338
339 /*
340 * enable slave OTG, the OTG is locked with
341 * master's update lock, so it will not run
342 */
343 REG_UPDATE(OTG_CONTROL,
344 OTG_MASTER_EN, 1);
345
346 /* accessing master OTG registers */
347 optc1 = DCN10TG_FROM_TG(optc_master);
348
349 /*
350 * unlock master OTG. When master H/V counters reach
351 * DB_XY point, slave OTG will start
352 */
353 REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
354 OTG_MASTER_UPDATE_LOCK, 0);
355
356 /* accessing slave OTG registers */
357 optc1 = DCN10TG_FROM_TG(optc_slave);
358
359 /* wait for slave OTG to start running*/
360 REG_WAIT(OTG_CONTROL,
361 OTG_CURRENT_MASTER_EN_STATE,
362 1, 10, 5000);
363
364 /* accessing master OTG registers */
365 optc1 = DCN10TG_FROM_TG(optc_master);
366
367 /* disable the XY point*/
368 REG_UPDATE(OTG_GLOBAL_CONTROL1,
369 MASTER_UPDATE_LOCK_DB_EN, 0);
370 REG_UPDATE_2(OTG_GLOBAL_CONTROL1,
371 MASTER_UPDATE_LOCK_DB_X,
372 0,
373 MASTER_UPDATE_LOCK_DB_Y,
374 0);
375
376 /*restore master update lock*/
377 REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
378 OTG_MASTER_UPDATE_LOCK, master_update_lock);
379
380 /* accessing slave OTG registers */
381 optc1 = DCN10TG_FROM_TG(optc_slave);
382 /* restore slave to be controlled by it's own */
383 REG_SET(OTG_GLOBAL_CONTROL0, 0,
384 OTG_MASTER_UPDATE_LOCK_SEL, optc_slave->inst);
385
386 }
387
optc2_triplebuffer_lock(struct timing_generator * optc)388 void optc2_triplebuffer_lock(struct timing_generator *optc)
389 {
390 struct optc *optc1 = DCN10TG_FROM_TG(optc);
391
392 REG_SET(OTG_GLOBAL_CONTROL0, 0,
393 OTG_MASTER_UPDATE_LOCK_SEL, optc->inst);
394
395 REG_SET(OTG_VUPDATE_KEEPOUT, 0,
396 OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 1);
397
398 REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
399 OTG_MASTER_UPDATE_LOCK, 1);
400
401 REG_WAIT(OTG_MASTER_UPDATE_LOCK,
402 UPDATE_LOCK_STATUS, 1,
403 1, 10);
404 }
405
optc2_triplebuffer_unlock(struct timing_generator * optc)406 void optc2_triplebuffer_unlock(struct timing_generator *optc)
407 {
408 struct optc *optc1 = DCN10TG_FROM_TG(optc);
409
410 REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
411 OTG_MASTER_UPDATE_LOCK, 0);
412
413 REG_SET(OTG_VUPDATE_KEEPOUT, 0,
414 OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 0);
415
416 }
417
optc2_lock_doublebuffer_enable(struct timing_generator * optc)418 void optc2_lock_doublebuffer_enable(struct timing_generator *optc)
419 {
420 struct optc *optc1 = DCN10TG_FROM_TG(optc);
421 uint32_t v_blank_start = 0;
422 uint32_t h_blank_start = 0;
423
424 REG_UPDATE(OTG_GLOBAL_CONTROL1, MASTER_UPDATE_LOCK_DB_EN, 1);
425
426 REG_UPDATE_2(OTG_GLOBAL_CONTROL2, GLOBAL_UPDATE_LOCK_EN, 1,
427 DIG_UPDATE_LOCATION, 20);
428
429 REG_GET(OTG_V_BLANK_START_END, OTG_V_BLANK_START, &v_blank_start);
430
431 REG_GET(OTG_H_BLANK_START_END, OTG_H_BLANK_START, &h_blank_start);
432
433 REG_UPDATE_2(OTG_GLOBAL_CONTROL1,
434 MASTER_UPDATE_LOCK_DB_X,
435 (h_blank_start - 200 - 1) / optc1->opp_count,
436 MASTER_UPDATE_LOCK_DB_Y,
437 v_blank_start - 1);
438
439 REG_SET_3(OTG_VUPDATE_KEEPOUT, 0,
440 MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_START_OFFSET, 0,
441 MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_END_OFFSET, 100,
442 OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 1);
443 }
444
optc2_lock_doublebuffer_disable(struct timing_generator * optc)445 void optc2_lock_doublebuffer_disable(struct timing_generator *optc)
446 {
447 struct optc *optc1 = DCN10TG_FROM_TG(optc);
448
449 REG_UPDATE_2(OTG_GLOBAL_CONTROL1,
450 MASTER_UPDATE_LOCK_DB_X,
451 0,
452 MASTER_UPDATE_LOCK_DB_Y,
453 0);
454
455 REG_UPDATE_2(OTG_GLOBAL_CONTROL2, GLOBAL_UPDATE_LOCK_EN, 0,
456 DIG_UPDATE_LOCATION, 0);
457
458 REG_UPDATE(OTG_GLOBAL_CONTROL1, MASTER_UPDATE_LOCK_DB_EN, 0);
459 }
460
optc2_setup_manual_trigger(struct timing_generator * optc)461 void optc2_setup_manual_trigger(struct timing_generator *optc)
462 {
463 struct optc *optc1 = DCN10TG_FROM_TG(optc);
464
465 /* Set the min/max selectors unconditionally so that
466 * DMCUB fw may change OTG timings when necessary
467 * TODO: Remove the w/a after fixing the issue in DMCUB firmware
468 */
469 REG_UPDATE_4(OTG_V_TOTAL_CONTROL,
470 OTG_V_TOTAL_MIN_SEL, 1,
471 OTG_V_TOTAL_MAX_SEL, 1,
472 OTG_FORCE_LOCK_ON_EVENT, 0,
473 OTG_SET_V_TOTAL_MIN_MASK, (1 << 1)); /* TRIGA */
474
475 REG_SET_8(OTG_TRIGA_CNTL, 0,
476 OTG_TRIGA_SOURCE_SELECT, 21,
477 OTG_TRIGA_SOURCE_PIPE_SELECT, optc->inst,
478 OTG_TRIGA_RISING_EDGE_DETECT_CNTL, 1,
479 OTG_TRIGA_FALLING_EDGE_DETECT_CNTL, 0,
480 OTG_TRIGA_POLARITY_SELECT, 0,
481 OTG_TRIGA_FREQUENCY_SELECT, 0,
482 OTG_TRIGA_DELAY, 0,
483 OTG_TRIGA_CLEAR, 1);
484 }
485
optc2_program_manual_trigger(struct timing_generator * optc)486 void optc2_program_manual_trigger(struct timing_generator *optc)
487 {
488 struct optc *optc1 = DCN10TG_FROM_TG(optc);
489
490 REG_SET(OTG_TRIGA_MANUAL_TRIG, 0,
491 OTG_TRIGA_MANUAL_TRIG, 1);
492 }
493
optc2_configure_crc(struct timing_generator * optc,const struct crc_params * params)494 bool optc2_configure_crc(struct timing_generator *optc,
495 const struct crc_params *params)
496 {
497 struct optc *optc1 = DCN10TG_FROM_TG(optc);
498
499 REG_SET_2(OTG_CRC_CNTL2, 0,
500 OTG_CRC_DSC_MODE, params->dsc_mode,
501 OTG_CRC_DATA_STREAM_COMBINE_MODE, params->odm_mode);
502
503 return optc1_configure_crc(optc, params);
504 }
505
506
optc2_get_last_used_drr_vtotal(struct timing_generator * optc,uint32_t * refresh_rate)507 void optc2_get_last_used_drr_vtotal(struct timing_generator *optc, uint32_t *refresh_rate)
508 {
509 struct optc *optc1 = DCN10TG_FROM_TG(optc);
510
511 REG_GET(OTG_DRR_CONTROL, OTG_V_TOTAL_LAST_USED_BY_DRR, refresh_rate);
512 }
513
514 static struct timing_generator_funcs dcn20_tg_funcs = {
515 .validate_timing = optc1_validate_timing,
516 .program_timing = optc1_program_timing,
517 .setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0,
518 .setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1,
519 .setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2,
520 .program_global_sync = optc1_program_global_sync,
521 .enable_crtc = optc2_enable_crtc,
522 .disable_crtc = optc1_disable_crtc,
523 /* used by enable_timing_synchronization. Not need for FPGA */
524 .is_counter_moving = optc1_is_counter_moving,
525 .get_position = optc1_get_position,
526 .get_frame_count = optc1_get_vblank_counter,
527 .get_scanoutpos = optc1_get_crtc_scanoutpos,
528 .get_otg_active_size = optc1_get_otg_active_size,
529 .set_early_control = optc1_set_early_control,
530 /* used by enable_timing_synchronization. Not need for FPGA */
531 .wait_for_state = optc1_wait_for_state,
532 .set_blank = optc1_set_blank,
533 .is_blanked = optc1_is_blanked,
534 .set_blank_color = optc1_program_blank_color,
535 .enable_reset_trigger = optc1_enable_reset_trigger,
536 .enable_crtc_reset = optc1_enable_crtc_reset,
537 .did_triggered_reset_occur = optc1_did_triggered_reset_occur,
538 .triplebuffer_lock = optc2_triplebuffer_lock,
539 .triplebuffer_unlock = optc2_triplebuffer_unlock,
540 .disable_reset_trigger = optc1_disable_reset_trigger,
541 .lock = optc1_lock,
542 .unlock = optc1_unlock,
543 .lock_doublebuffer_enable = optc2_lock_doublebuffer_enable,
544 .lock_doublebuffer_disable = optc2_lock_doublebuffer_disable,
545 .enable_optc_clock = optc1_enable_optc_clock,
546 .set_drr = optc1_set_drr,
547 .get_last_used_drr_vtotal = optc2_get_last_used_drr_vtotal,
548 .set_vtotal_min_max = optc1_set_vtotal_min_max,
549 .set_static_screen_control = optc1_set_static_screen_control,
550 .program_stereo = optc1_program_stereo,
551 .is_stereo_left_eye = optc1_is_stereo_left_eye,
552 .set_blank_data_double_buffer = optc1_set_blank_data_double_buffer,
553 .tg_init = optc1_tg_init,
554 .is_tg_enabled = optc1_is_tg_enabled,
555 .is_optc_underflow_occurred = optc1_is_optc_underflow_occurred,
556 .clear_optc_underflow = optc1_clear_optc_underflow,
557 .setup_global_swap_lock = NULL,
558 .get_crc = optc1_get_crc,
559 .configure_crc = optc2_configure_crc,
560 .set_dsc_config = optc2_set_dsc_config,
561 .get_dsc_status = optc2_get_dsc_status,
562 .set_dwb_source = optc2_set_dwb_source,
563 .set_odm_bypass = optc2_set_odm_bypass,
564 .set_odm_combine = optc2_set_odm_combine,
565 .get_optc_source = optc2_get_optc_source,
566 .set_gsl = optc2_set_gsl,
567 .set_gsl_source_select = optc2_set_gsl_source_select,
568 .set_vtg_params = optc1_set_vtg_params,
569 .program_manual_trigger = optc2_program_manual_trigger,
570 .setup_manual_trigger = optc2_setup_manual_trigger,
571 .get_hw_timing = optc1_get_hw_timing,
572 .align_vblanks = optc2_align_vblanks,
573 };
574
dcn20_timing_generator_init(struct optc * optc1)575 void dcn20_timing_generator_init(struct optc *optc1)
576 {
577 optc1->base.funcs = &dcn20_tg_funcs;
578
579 optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1;
580 optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1;
581
582 optc1->min_h_blank = 32;
583 optc1->min_v_blank = 3;
584 optc1->min_v_blank_interlace = 5;
585 optc1->min_h_sync_width = 4;// Minimum HSYNC = 8 pixels asked By HW in the first place for no actual reason. Oculus Rift S will not light up with 8 as it's hsyncWidth is 6. Changing it to 4 to fix that issue.
586 optc1->min_v_sync_width = 1;
587 }
588