1/*
2 * Copyright 2020 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 "dcn30_hubp.h"
27
28#include "dm_services.h"
29#include "dce_calcs.h"
30#include "reg_helper.h"
31#include "basics/conversion.h"
32#include "dcn20/dcn20_hubp.h"
33#include "dcn21/dcn21_hubp.h"
34
35#define REG(reg)\
36 hubp2->hubp_regs->reg
37
38#define CTX \
39 hubp2->base.ctx
40
41#undef FN
42#define FN(reg_name, field_name) \
43 hubp2->hubp_shift->field_name, hubp2->hubp_mask->field_name
44
45void hubp3_set_vm_system_aperture_settings(struct hubp *hubp,
46 struct vm_system_aperture_param *apt)
47{
48 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
49
50 PHYSICAL_ADDRESS_LOC mc_vm_apt_low;
51 PHYSICAL_ADDRESS_LOC mc_vm_apt_high;
52
53 // The format of high/low are 48:18 of the 48 bit addr
54 mc_vm_apt_low.quad_part = apt->sys_low.quad_part >> 18;
55 mc_vm_apt_high.quad_part = apt->sys_high.quad_part >> 18;
56
57 REG_SET(DCN_VM_SYSTEM_APERTURE_LOW_ADDR, 0,
58 MC_VM_SYSTEM_APERTURE_LOW_ADDR, mc_vm_apt_low.quad_part);
59
60 REG_SET(DCN_VM_SYSTEM_APERTURE_HIGH_ADDR, 0,
61 MC_VM_SYSTEM_APERTURE_HIGH_ADDR, mc_vm_apt_high.quad_part);
62
63 REG_SET_2(DCN_VM_MX_L1_TLB_CNTL, 0,
64 ENABLE_L1_TLB, 1,
65 SYSTEM_ACCESS_MODE, 0x3);
66}
67
68bool hubp3_program_surface_flip_and_addr(
69 struct hubp *hubp,
70 const struct dc_plane_address *address,
71 bool flip_immediate)
72{
73 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
74
75 //program flip type
76 REG_UPDATE(DCSURF_FLIP_CONTROL,
77 SURFACE_FLIP_TYPE, flip_immediate);
78
79 // Program VMID reg
80 if (flip_immediate == 0)
81 REG_UPDATE(VMID_SETTINGS_0,
82 VMID, address->vmid);
83
84 if (address->type == PLN_ADDR_TYPE_GRPH_STEREO) {
85 REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0);
86 REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_IN_STEREOSYNC, 0x1);
87
88 } else {
89 // turn off stereo if not in stereo
90 REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0x0);
91 REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_IN_STEREOSYNC, 0x0);
92 }
93
94 /* HW automatically latch rest of address register on write to
95 * DCSURF_PRIMARY_SURFACE_ADDRESS if SURFACE_UPDATE_LOCK is not used
96 *
97 * program high first and then the low addr, order matters!
98 */
99 switch (address->type) {
100 case PLN_ADDR_TYPE_GRAPHICS:
101 /* DCN1.0 does not support const color
102 * TODO: program DCHUBBUB_RET_PATH_DCC_CFGx_0/1
103 * base on address->grph.dcc_const_color
104 * x = 0, 2, 4, 6 for pipe 0, 1, 2, 3 for rgb and luma
105 * x = 1, 3, 5, 7 for pipe 0, 1, 2, 3 for chroma
106 */
107
108 if (address->grph.addr.quad_part == 0)
109 break;
110
111 REG_UPDATE_2(DCSURF_SURFACE_CONTROL,
112 PRIMARY_SURFACE_TMZ, address->tmz_surface,
113 PRIMARY_META_SURFACE_TMZ, address->tmz_surface);
114
115 if (address->grph.meta_addr.quad_part != 0) {
116 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH, 0,
117 PRIMARY_META_SURFACE_ADDRESS_HIGH,
118 address->grph.meta_addr.high_part);
119
120 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS, 0,
121 PRIMARY_META_SURFACE_ADDRESS,
122 address->grph.meta_addr.low_part);
123 }
124
125 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH, 0,
126 PRIMARY_SURFACE_ADDRESS_HIGH,
127 address->grph.addr.high_part);
128
129 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS, 0,
130 PRIMARY_SURFACE_ADDRESS,
131 address->grph.addr.low_part);
132 break;
133 case PLN_ADDR_TYPE_VIDEO_PROGRESSIVE:
134 if (address->video_progressive.luma_addr.quad_part == 0
135 || address->video_progressive.chroma_addr.quad_part == 0)
136 break;
137
138 REG_UPDATE_4(DCSURF_SURFACE_CONTROL,
139 PRIMARY_SURFACE_TMZ, address->tmz_surface,
140 PRIMARY_SURFACE_TMZ_C, address->tmz_surface,
141 PRIMARY_META_SURFACE_TMZ, address->tmz_surface,
142 PRIMARY_META_SURFACE_TMZ_C, address->tmz_surface);
143
144 if (address->video_progressive.luma_meta_addr.quad_part != 0) {
145 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH_C, 0,
146 PRIMARY_META_SURFACE_ADDRESS_HIGH_C,
147 address->video_progressive.chroma_meta_addr.high_part);
148
149 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS_C, 0,
150 PRIMARY_META_SURFACE_ADDRESS_C,
151 address->video_progressive.chroma_meta_addr.low_part);
152
153 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH, 0,
154 PRIMARY_META_SURFACE_ADDRESS_HIGH,
155 address->video_progressive.luma_meta_addr.high_part);
156
157 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS, 0,
158 PRIMARY_META_SURFACE_ADDRESS,
159 address->video_progressive.luma_meta_addr.low_part);
160 }
161
162 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C, 0,
163 PRIMARY_SURFACE_ADDRESS_HIGH_C,
164 address->video_progressive.chroma_addr.high_part);
165
166 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS_C, 0,
167 PRIMARY_SURFACE_ADDRESS_C,
168 address->video_progressive.chroma_addr.low_part);
169
170 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH, 0,
171 PRIMARY_SURFACE_ADDRESS_HIGH,
172 address->video_progressive.luma_addr.high_part);
173
174 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS, 0,
175 PRIMARY_SURFACE_ADDRESS,
176 address->video_progressive.luma_addr.low_part);
177 break;
178 case PLN_ADDR_TYPE_GRPH_STEREO:
179 if (address->grph_stereo.left_addr.quad_part == 0)
180 break;
181 if (address->grph_stereo.right_addr.quad_part == 0)
182 break;
183
184 REG_UPDATE_8(DCSURF_SURFACE_CONTROL,
185 PRIMARY_SURFACE_TMZ, address->tmz_surface,
186 PRIMARY_SURFACE_TMZ_C, address->tmz_surface,
187 PRIMARY_META_SURFACE_TMZ, address->tmz_surface,
188 PRIMARY_META_SURFACE_TMZ_C, address->tmz_surface,
189 SECONDARY_SURFACE_TMZ, address->tmz_surface,
190 SECONDARY_SURFACE_TMZ_C, address->tmz_surface,
191 SECONDARY_META_SURFACE_TMZ, address->tmz_surface,
192 SECONDARY_META_SURFACE_TMZ_C, address->tmz_surface);
193
194 if (address->grph_stereo.right_meta_addr.quad_part != 0) {
195
196 REG_SET(DCSURF_SECONDARY_META_SURFACE_ADDRESS_HIGH_C, 0,
197 SECONDARY_META_SURFACE_ADDRESS_HIGH_C,
198 address->grph_stereo.right_alpha_meta_addr.high_part);
199
200 REG_SET(DCSURF_SECONDARY_META_SURFACE_ADDRESS_C, 0,
201 SECONDARY_META_SURFACE_ADDRESS_C,
202 address->grph_stereo.right_alpha_meta_addr.low_part);
203
204 REG_SET(DCSURF_SECONDARY_META_SURFACE_ADDRESS_HIGH, 0,
205 SECONDARY_META_SURFACE_ADDRESS_HIGH,
206 address->grph_stereo.right_meta_addr.high_part);
207
208 REG_SET(DCSURF_SECONDARY_META_SURFACE_ADDRESS, 0,
209 SECONDARY_META_SURFACE_ADDRESS,
210 address->grph_stereo.right_meta_addr.low_part);
211 }
212 if (address->grph_stereo.left_meta_addr.quad_part != 0) {
213
214 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH_C, 0,
215 PRIMARY_META_SURFACE_ADDRESS_HIGH_C,
216 address->grph_stereo.left_alpha_meta_addr.high_part);
217
218 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS_C, 0,
219 PRIMARY_META_SURFACE_ADDRESS_C,
220 address->grph_stereo.left_alpha_meta_addr.low_part);
221
222 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH, 0,
223 PRIMARY_META_SURFACE_ADDRESS_HIGH,
224 address->grph_stereo.left_meta_addr.high_part);
225
226 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS, 0,
227 PRIMARY_META_SURFACE_ADDRESS,
228 address->grph_stereo.left_meta_addr.low_part);
229 }
230
231 REG_SET(DCSURF_SECONDARY_SURFACE_ADDRESS_HIGH_C, 0,
232 SECONDARY_SURFACE_ADDRESS_HIGH_C,
233 address->grph_stereo.right_alpha_addr.high_part);
234
235 REG_SET(DCSURF_SECONDARY_SURFACE_ADDRESS_C, 0,
236 SECONDARY_SURFACE_ADDRESS_C,
237 address->grph_stereo.right_alpha_addr.low_part);
238
239 REG_SET(DCSURF_SECONDARY_SURFACE_ADDRESS_HIGH, 0,
240 SECONDARY_SURFACE_ADDRESS_HIGH,
241 address->grph_stereo.right_addr.high_part);
242
243 REG_SET(DCSURF_SECONDARY_SURFACE_ADDRESS, 0,
244 SECONDARY_SURFACE_ADDRESS,
245 address->grph_stereo.right_addr.low_part);
246
247 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C, 0,
248 PRIMARY_SURFACE_ADDRESS_HIGH_C,
249 address->grph_stereo.left_alpha_addr.high_part);
250
251 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS_C, 0,
252 PRIMARY_SURFACE_ADDRESS_C,
253 address->grph_stereo.left_alpha_addr.low_part);
254
255 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH, 0,
256 PRIMARY_SURFACE_ADDRESS_HIGH,
257 address->grph_stereo.left_addr.high_part);
258
259 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS, 0,
260 PRIMARY_SURFACE_ADDRESS,
261 address->grph_stereo.left_addr.low_part);
262 break;
263 case PLN_ADDR_TYPE_RGBEA:
264 if (address->rgbea.addr.quad_part == 0
265 || address->rgbea.alpha_addr.quad_part == 0)
266 break;
267
268 REG_UPDATE_4(DCSURF_SURFACE_CONTROL,
269 PRIMARY_SURFACE_TMZ, address->tmz_surface,
270 PRIMARY_SURFACE_TMZ_C, address->tmz_surface,
271 PRIMARY_META_SURFACE_TMZ, address->tmz_surface,
272 PRIMARY_META_SURFACE_TMZ_C, address->tmz_surface);
273
274 if (address->rgbea.meta_addr.quad_part != 0) {
275
276 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH_C, 0,
277 PRIMARY_META_SURFACE_ADDRESS_HIGH_C,
278 address->rgbea.alpha_meta_addr.high_part);
279
280 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS_C, 0,
281 PRIMARY_META_SURFACE_ADDRESS_C,
282 address->rgbea.alpha_meta_addr.low_part);
283
284 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS_HIGH, 0,
285 PRIMARY_META_SURFACE_ADDRESS_HIGH,
286 address->rgbea.meta_addr.high_part);
287
288 REG_SET(DCSURF_PRIMARY_META_SURFACE_ADDRESS, 0,
289 PRIMARY_META_SURFACE_ADDRESS,
290 address->rgbea.meta_addr.low_part);
291 }
292
293 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C, 0,
294 PRIMARY_SURFACE_ADDRESS_HIGH_C,
295 address->rgbea.alpha_addr.high_part);
296
297 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS_C, 0,
298 PRIMARY_SURFACE_ADDRESS_C,
299 address->rgbea.alpha_addr.low_part);
300
301 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH, 0,
302 PRIMARY_SURFACE_ADDRESS_HIGH,
303 address->rgbea.addr.high_part);
304
305 REG_SET(DCSURF_PRIMARY_SURFACE_ADDRESS, 0,
306 PRIMARY_SURFACE_ADDRESS,
307 address->rgbea.addr.low_part);
308 break;
309 default:
310 BREAK_TO_DEBUGGER();
311 break;
312 }
313
314 hubp->request_address = *address;
315
316 return true;
317}
318
319void hubp3_program_tiling(
320 struct dcn20_hubp *hubp2,
321 const union dc_tiling_info *info,
322 const enum surface_pixel_format pixel_format)
323{
324 REG_UPDATE_4(DCSURF_ADDR_CONFIG,
325 NUM_PIPES, log_2(info->gfx9.num_pipes),
326 PIPE_INTERLEAVE, info->gfx9.pipe_interleave,
327 MAX_COMPRESSED_FRAGS, log_2(info->gfx9.max_compressed_frags),
328 NUM_PKRS, log_2(info->gfx9.num_pkrs));
329
330 REG_UPDATE_3(DCSURF_TILING_CONFIG,
331 SW_MODE, info->gfx9.swizzle,
332 META_LINEAR, info->gfx9.meta_linear,
333 PIPE_ALIGNED, info->gfx9.pipe_aligned);
334
335}
336
337void hubp3_dcc_control(struct hubp *hubp, bool enable,
338 enum hubp_ind_block_size blk_size)
339{
340 uint32_t dcc_en = enable ? 1 : 0;
341 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
342
343 REG_UPDATE_4(DCSURF_SURFACE_CONTROL,
344 PRIMARY_SURFACE_DCC_EN, dcc_en,
345 PRIMARY_SURFACE_DCC_IND_BLK, blk_size,
346 SECONDARY_SURFACE_DCC_EN, dcc_en,
347 SECONDARY_SURFACE_DCC_IND_BLK, blk_size);
348}
349
350void hubp3_dcc_control_sienna_cichlid(struct hubp *hubp,
351 struct dc_plane_dcc_param *dcc)
352{
353 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
354
355 REG_UPDATE_6(DCSURF_SURFACE_CONTROL,
356 PRIMARY_SURFACE_DCC_EN, dcc->enable,
357 PRIMARY_SURFACE_DCC_IND_BLK, dcc->dcc_ind_blk,
358 PRIMARY_SURFACE_DCC_IND_BLK_C, dcc->dcc_ind_blk_c,
359 SECONDARY_SURFACE_DCC_EN, dcc->enable,
360 SECONDARY_SURFACE_DCC_IND_BLK, dcc->dcc_ind_blk,
361 SECONDARY_SURFACE_DCC_IND_BLK_C, dcc->dcc_ind_blk_c);
362}
363
364void hubp3_dmdata_set_attributes(
365 struct hubp *hubp,
366 const struct dc_dmdata_attributes *attr)
367{
368 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
369
370 /*always HW mode */
371 REG_UPDATE(DMDATA_CNTL,
372 DMDATA_MODE, 1);
373
374 /* for DMDATA flip, need to use SURFACE_UPDATE_LOCK */
375 REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_UPDATE_LOCK, 1);
376
377 /* toggle DMDATA_UPDATED and set repeat and size */
378 REG_UPDATE(DMDATA_CNTL,
379 DMDATA_UPDATED, 0);
380 REG_UPDATE_3(DMDATA_CNTL,
381 DMDATA_UPDATED, 1,
382 DMDATA_REPEAT, attr->dmdata_repeat,
383 DMDATA_SIZE, attr->dmdata_size);
384
385 /* set DMDATA address */
386 REG_WRITE(DMDATA_ADDRESS_LOW, attr->address.low_part);
387 REG_UPDATE(DMDATA_ADDRESS_HIGH,
388 DMDATA_ADDRESS_HIGH, attr->address.high_part);
389
390 REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_UPDATE_LOCK, 0);
391
392}
393
394
395void hubp3_program_surface_config(
396 struct hubp *hubp,
397 enum surface_pixel_format format,
398 union dc_tiling_info *tiling_info,
399 struct plane_size *plane_size,
400 enum dc_rotation_angle rotation,
401 struct dc_plane_dcc_param *dcc,
402 bool horizontal_mirror,
403 unsigned int compat_level)
404{
405 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
406
407 hubp3_dcc_control_sienna_cichlid(hubp, dcc);
408 hubp3_program_tiling(hubp2, info: tiling_info, pixel_format: format);
409 hubp2_program_size(hubp, format, plane_size, dcc);
410 hubp2_program_rotation(hubp, rotation, horizontal_mirror);
411 hubp2_program_pixel_format(hubp, format);
412}
413
414static void hubp3_program_deadline(
415 struct hubp *hubp,
416 struct _vcs_dpi_display_dlg_regs_st *dlg_attr,
417 struct _vcs_dpi_display_ttu_regs_st *ttu_attr)
418{
419 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
420
421 hubp2_program_deadline(hubp, dlg_attr, ttu_attr);
422 REG_UPDATE(DCN_DMDATA_VM_CNTL,
423 REFCYC_PER_VM_DMDATA, dlg_attr->refcyc_per_vm_dmdata);
424}
425
426void hubp3_read_state(struct hubp *hubp)
427{
428 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
429 struct dcn_hubp_state *s = &hubp2->state;
430 struct _vcs_dpi_display_rq_regs_st *rq_regs = &s->rq_regs;
431
432 hubp2_read_state_common(hubp);
433
434 REG_GET_7(DCHUBP_REQ_SIZE_CONFIG,
435 CHUNK_SIZE, &rq_regs->rq_regs_l.chunk_size,
436 MIN_CHUNK_SIZE, &rq_regs->rq_regs_l.min_chunk_size,
437 META_CHUNK_SIZE, &rq_regs->rq_regs_l.meta_chunk_size,
438 MIN_META_CHUNK_SIZE, &rq_regs->rq_regs_l.min_meta_chunk_size,
439 DPTE_GROUP_SIZE, &rq_regs->rq_regs_l.dpte_group_size,
440 SWATH_HEIGHT, &rq_regs->rq_regs_l.swath_height,
441 PTE_ROW_HEIGHT_LINEAR, &rq_regs->rq_regs_l.pte_row_height_linear);
442
443 REG_GET_7(DCHUBP_REQ_SIZE_CONFIG_C,
444 CHUNK_SIZE_C, &rq_regs->rq_regs_c.chunk_size,
445 MIN_CHUNK_SIZE_C, &rq_regs->rq_regs_c.min_chunk_size,
446 META_CHUNK_SIZE_C, &rq_regs->rq_regs_c.meta_chunk_size,
447 MIN_META_CHUNK_SIZE_C, &rq_regs->rq_regs_c.min_meta_chunk_size,
448 DPTE_GROUP_SIZE_C, &rq_regs->rq_regs_c.dpte_group_size,
449 SWATH_HEIGHT_C, &rq_regs->rq_regs_c.swath_height,
450 PTE_ROW_HEIGHT_LINEAR_C, &rq_regs->rq_regs_c.pte_row_height_linear);
451
452 if (REG(UCLK_PSTATE_FORCE))
453 s->uclk_pstate_force = REG_READ(UCLK_PSTATE_FORCE);
454
455 if (REG(DCHUBP_CNTL))
456 s->hubp_cntl = REG_READ(DCHUBP_CNTL);
457
458}
459
460void hubp3_setup(
461 struct hubp *hubp,
462 struct _vcs_dpi_display_dlg_regs_st *dlg_attr,
463 struct _vcs_dpi_display_ttu_regs_st *ttu_attr,
464 struct _vcs_dpi_display_rq_regs_st *rq_regs,
465 struct _vcs_dpi_display_pipe_dest_params_st *pipe_dest)
466{
467 /* otg is locked when this func is called. Register are double buffered.
468 * disable the requestors is not needed
469 */
470 hubp2_vready_at_or_After_vsync(hubp, pipe_dest);
471 hubp21_program_requestor(hubp, rq_regs);
472 hubp3_program_deadline(hubp, dlg_attr, ttu_attr);
473}
474
475void hubp3_init(struct hubp *hubp)
476{
477 // DEDCN21-133: Inconsistent row starting line for flip between DPTE and Meta
478 // This is a chicken bit to enable the ECO fix.
479
480 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
481 //hubp[i].HUBPREQ_DEBUG.HUBPREQ_DEBUG[26] = 1;
482 REG_WRITE(HUBPREQ_DEBUG, 1 << 26);
483}
484
485static struct hubp_funcs dcn30_hubp_funcs = {
486 .hubp_enable_tripleBuffer = hubp2_enable_triplebuffer,
487 .hubp_is_triplebuffer_enabled = hubp2_is_triplebuffer_enabled,
488 .hubp_program_surface_flip_and_addr = hubp3_program_surface_flip_and_addr,
489 .hubp_program_surface_config = hubp3_program_surface_config,
490 .hubp_is_flip_pending = hubp2_is_flip_pending,
491 .hubp_setup = hubp3_setup,
492 .hubp_setup_interdependent = hubp2_setup_interdependent,
493 .hubp_set_vm_system_aperture_settings = hubp3_set_vm_system_aperture_settings,
494 .set_blank = hubp2_set_blank,
495 .set_blank_regs = hubp2_set_blank_regs,
496 .dcc_control = hubp3_dcc_control,
497 .mem_program_viewport = min_set_viewport,
498 .set_cursor_attributes = hubp2_cursor_set_attributes,
499 .set_cursor_position = hubp2_cursor_set_position,
500 .hubp_clk_cntl = hubp2_clk_cntl,
501 .hubp_vtg_sel = hubp2_vtg_sel,
502 .dmdata_set_attributes = hubp3_dmdata_set_attributes,
503 .dmdata_load = hubp2_dmdata_load,
504 .dmdata_status_done = hubp2_dmdata_status_done,
505 .hubp_read_state = hubp3_read_state,
506 .hubp_clear_underflow = hubp2_clear_underflow,
507 .hubp_set_flip_control_surface_gsl = hubp2_set_flip_control_surface_gsl,
508 .hubp_init = hubp3_init,
509 .hubp_in_blank = hubp1_in_blank,
510 .hubp_soft_reset = hubp1_soft_reset,
511 .hubp_set_flip_int = hubp1_set_flip_int,
512};
513
514bool hubp3_construct(
515 struct dcn20_hubp *hubp2,
516 struct dc_context *ctx,
517 uint32_t inst,
518 const struct dcn_hubp2_registers *hubp_regs,
519 const struct dcn_hubp2_shift *hubp_shift,
520 const struct dcn_hubp2_mask *hubp_mask)
521{
522 hubp2->base.funcs = &dcn30_hubp_funcs;
523 hubp2->base.ctx = ctx;
524 hubp2->hubp_regs = hubp_regs;
525 hubp2->hubp_shift = hubp_shift;
526 hubp2->hubp_mask = hubp_mask;
527 hubp2->base.inst = inst;
528 hubp2->base.opp_id = OPP_ID_INVALID;
529 hubp2->base.mpcc_id = 0xf;
530
531 return true;
532}
533

source code of linux/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c