1 /*
2 * Copyright 2016 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 "dm_services.h"
27 #include "dc.h"
28 
29 #include "dcn10_init.h"
30 
31 #include "resource.h"
32 #include "include/irq_service_interface.h"
33 #include "dcn10_resource.h"
34 #include "dcn10_ipp.h"
35 #include "dcn10_mpc.h"
36 #include "irq/dcn10/irq_service_dcn10.h"
37 #include "dcn10_dpp.h"
38 #include "dcn10_optc.h"
39 #include "dcn10_hw_sequencer.h"
40 #include "dce110/dce110_hw_sequencer.h"
41 #include "dcn10_opp.h"
42 #include "dcn10_link_encoder.h"
43 #include "dcn10_stream_encoder.h"
44 #include "dce/dce_clock_source.h"
45 #include "dce/dce_audio.h"
46 #include "dce/dce_hwseq.h"
47 #include "virtual/virtual_stream_encoder.h"
48 #include "dce110/dce110_resource.h"
49 #include "dce112/dce112_resource.h"
50 #include "dcn10_hubp.h"
51 #include "dcn10_hubbub.h"
52 #include "dce/dce_panel_cntl.h"
53 
54 #include "soc15_hw_ip.h"
55 #include "vega10_ip_offset.h"
56 
57 #include "dcn/dcn_1_0_offset.h"
58 #include "dcn/dcn_1_0_sh_mask.h"
59 
60 #include "nbio/nbio_7_0_offset.h"
61 
62 #include "mmhub/mmhub_9_1_offset.h"
63 #include "mmhub/mmhub_9_1_sh_mask.h"
64 
65 #include "reg_helper.h"
66 #include "dce/dce_abm.h"
67 #include "dce/dce_dmcu.h"
68 #include "dce/dce_aux.h"
69 #include "dce/dce_i2c.h"
70 
71 #ifndef mmDP0_DP_DPHY_INTERNAL_CTRL
72 	#define mmDP0_DP_DPHY_INTERNAL_CTRL		0x210f
73 	#define mmDP0_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
74 	#define mmDP1_DP_DPHY_INTERNAL_CTRL		0x220f
75 	#define mmDP1_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
76 	#define mmDP2_DP_DPHY_INTERNAL_CTRL		0x230f
77 	#define mmDP2_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
78 	#define mmDP3_DP_DPHY_INTERNAL_CTRL		0x240f
79 	#define mmDP3_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
80 	#define mmDP4_DP_DPHY_INTERNAL_CTRL		0x250f
81 	#define mmDP4_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
82 	#define mmDP5_DP_DPHY_INTERNAL_CTRL		0x260f
83 	#define mmDP5_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
84 	#define mmDP6_DP_DPHY_INTERNAL_CTRL		0x270f
85 	#define mmDP6_DP_DPHY_INTERNAL_CTRL_BASE_IDX	2
86 #endif
87 
88 
89 enum dcn10_clk_src_array_id {
90 	DCN10_CLK_SRC_PLL0,
91 	DCN10_CLK_SRC_PLL1,
92 	DCN10_CLK_SRC_PLL2,
93 	DCN10_CLK_SRC_PLL3,
94 	DCN10_CLK_SRC_TOTAL,
95 	DCN101_CLK_SRC_TOTAL = DCN10_CLK_SRC_PLL3
96 };
97 
98 /* begin *********************
99  * macros to expend register list macro defined in HW object header file */
100 
101 /* DCN */
102 #define BASE_INNER(seg) \
103 	DCE_BASE__INST0_SEG ## seg
104 
105 #define BASE(seg) \
106 	BASE_INNER(seg)
107 
108 #define SR(reg_name)\
109 		.reg_name = BASE(mm ## reg_name ## _BASE_IDX) +  \
110 					mm ## reg_name
111 
112 #define SRI(reg_name, block, id)\
113 	.reg_name = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
114 					mm ## block ## id ## _ ## reg_name
115 
116 
117 #define SRII(reg_name, block, id)\
118 	.reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
119 					mm ## block ## id ## _ ## reg_name
120 
121 #define VUPDATE_SRII(reg_name, block, id)\
122 	.reg_name[id] = BASE(mm ## reg_name ## 0 ## _ ## block ## id ## _BASE_IDX) + \
123 					mm ## reg_name ## 0 ## _ ## block ## id
124 
125 /* set field/register/bitfield name */
126 #define SFRB(field_name, reg_name, bitfield, post_fix)\
127 	.field_name = reg_name ## __ ## bitfield ## post_fix
128 
129 /* NBIO */
130 #define NBIO_BASE_INNER(seg) \
131 	NBIF_BASE__INST0_SEG ## seg
132 
133 #define NBIO_BASE(seg) \
134 	NBIO_BASE_INNER(seg)
135 
136 #define NBIO_SR(reg_name)\
137 		.reg_name = NBIO_BASE(mm ## reg_name ## _BASE_IDX) +  \
138 					mm ## reg_name
139 
140 /* MMHUB */
141 #define MMHUB_BASE_INNER(seg) \
142 	MMHUB_BASE__INST0_SEG ## seg
143 
144 #define MMHUB_BASE(seg) \
145 	MMHUB_BASE_INNER(seg)
146 
147 #define MMHUB_SR(reg_name)\
148 		.reg_name = MMHUB_BASE(mm ## reg_name ## _BASE_IDX) +  \
149 					mm ## reg_name
150 
151 /* macros to expend register list macro defined in HW object header file
152  * end *********************/
153 
154 
155 static const struct dce_dmcu_registers dmcu_regs = {
156 		DMCU_DCN10_REG_LIST()
157 };
158 
159 static const struct dce_dmcu_shift dmcu_shift = {
160 		DMCU_MASK_SH_LIST_DCN10(__SHIFT)
161 };
162 
163 static const struct dce_dmcu_mask dmcu_mask = {
164 		DMCU_MASK_SH_LIST_DCN10(_MASK)
165 };
166 
167 static const struct dce_abm_registers abm_regs = {
168 		ABM_DCN10_REG_LIST(0)
169 };
170 
171 static const struct dce_abm_shift abm_shift = {
172 		ABM_MASK_SH_LIST_DCN10(__SHIFT)
173 };
174 
175 static const struct dce_abm_mask abm_mask = {
176 		ABM_MASK_SH_LIST_DCN10(_MASK)
177 };
178 
179 #define stream_enc_regs(id)\
180 [id] = {\
181 	SE_DCN_REG_LIST(id)\
182 }
183 
184 static const struct dcn10_stream_enc_registers stream_enc_regs[] = {
185 	stream_enc_regs(0),
186 	stream_enc_regs(1),
187 	stream_enc_regs(2),
188 	stream_enc_regs(3),
189 };
190 
191 static const struct dcn10_stream_encoder_shift se_shift = {
192 		SE_COMMON_MASK_SH_LIST_DCN10(__SHIFT)
193 };
194 
195 static const struct dcn10_stream_encoder_mask se_mask = {
196 		SE_COMMON_MASK_SH_LIST_DCN10(_MASK)
197 };
198 
199 #define audio_regs(id)\
200 [id] = {\
201 		AUD_COMMON_REG_LIST(id)\
202 }
203 
204 static const struct dce_audio_registers audio_regs[] = {
205 	audio_regs(0),
206 	audio_regs(1),
207 	audio_regs(2),
208 	audio_regs(3),
209 };
210 
211 #define DCE120_AUD_COMMON_MASK_SH_LIST(mask_sh)\
212 		SF(AZF0ENDPOINT0_AZALIA_F0_CODEC_ENDPOINT_INDEX, AZALIA_ENDPOINT_REG_INDEX, mask_sh),\
213 		SF(AZF0ENDPOINT0_AZALIA_F0_CODEC_ENDPOINT_DATA, AZALIA_ENDPOINT_REG_DATA, mask_sh),\
214 		AUD_COMMON_MASK_SH_LIST_BASE(mask_sh)
215 
216 static const struct dce_audio_shift audio_shift = {
217 		DCE120_AUD_COMMON_MASK_SH_LIST(__SHIFT)
218 };
219 
220 static const struct dce_audio_mask audio_mask = {
221 		DCE120_AUD_COMMON_MASK_SH_LIST(_MASK)
222 };
223 
224 #define aux_regs(id)\
225 [id] = {\
226 	AUX_REG_LIST(id)\
227 }
228 
229 static const struct dcn10_link_enc_aux_registers link_enc_aux_regs[] = {
230 		aux_regs(0),
231 		aux_regs(1),
232 		aux_regs(2),
233 		aux_regs(3)
234 };
235 
236 #define hpd_regs(id)\
237 [id] = {\
238 	HPD_REG_LIST(id)\
239 }
240 
241 static const struct dcn10_link_enc_hpd_registers link_enc_hpd_regs[] = {
242 		hpd_regs(0),
243 		hpd_regs(1),
244 		hpd_regs(2),
245 		hpd_regs(3)
246 };
247 
248 #define link_regs(id)\
249 [id] = {\
250 	LE_DCN10_REG_LIST(id), \
251 	SRI(DP_DPHY_INTERNAL_CTRL, DP, id) \
252 }
253 
254 static const struct dcn10_link_enc_registers link_enc_regs[] = {
255 	link_regs(0),
256 	link_regs(1),
257 	link_regs(2),
258 	link_regs(3)
259 };
260 
261 static const struct dcn10_link_enc_shift le_shift = {
262 		LINK_ENCODER_MASK_SH_LIST_DCN10(__SHIFT)
263 };
264 
265 static const struct dcn10_link_enc_mask le_mask = {
266 		LINK_ENCODER_MASK_SH_LIST_DCN10(_MASK)
267 };
268 
269 static const struct dce_panel_cntl_registers panel_cntl_regs[] = {
270 	{ DCN_PANEL_CNTL_REG_LIST() }
271 };
272 
273 static const struct dce_panel_cntl_shift panel_cntl_shift = {
274 	DCE_PANEL_CNTL_MASK_SH_LIST(__SHIFT)
275 };
276 
277 static const struct dce_panel_cntl_mask panel_cntl_mask = {
278 	DCE_PANEL_CNTL_MASK_SH_LIST(_MASK)
279 };
280 
281 static const struct dce110_aux_registers_shift aux_shift = {
282 	DCN10_AUX_MASK_SH_LIST(__SHIFT)
283 };
284 
285 static const struct dce110_aux_registers_mask aux_mask = {
286 	DCN10_AUX_MASK_SH_LIST(_MASK)
287 };
288 
289 #define ipp_regs(id)\
290 [id] = {\
291 	IPP_REG_LIST_DCN10(id),\
292 }
293 
294 static const struct dcn10_ipp_registers ipp_regs[] = {
295 	ipp_regs(0),
296 	ipp_regs(1),
297 	ipp_regs(2),
298 	ipp_regs(3),
299 };
300 
301 static const struct dcn10_ipp_shift ipp_shift = {
302 		IPP_MASK_SH_LIST_DCN10(__SHIFT)
303 };
304 
305 static const struct dcn10_ipp_mask ipp_mask = {
306 		IPP_MASK_SH_LIST_DCN10(_MASK),
307 };
308 
309 #define opp_regs(id)\
310 [id] = {\
311 	OPP_REG_LIST_DCN10(id),\
312 }
313 
314 static const struct dcn10_opp_registers opp_regs[] = {
315 	opp_regs(0),
316 	opp_regs(1),
317 	opp_regs(2),
318 	opp_regs(3),
319 };
320 
321 static const struct dcn10_opp_shift opp_shift = {
322 		OPP_MASK_SH_LIST_DCN10(__SHIFT)
323 };
324 
325 static const struct dcn10_opp_mask opp_mask = {
326 		OPP_MASK_SH_LIST_DCN10(_MASK),
327 };
328 
329 #define aux_engine_regs(id)\
330 [id] = {\
331 	AUX_COMMON_REG_LIST(id), \
332 	.AUX_RESET_MASK = 0 \
333 }
334 
335 static const struct dce110_aux_registers aux_engine_regs[] = {
336 		aux_engine_regs(0),
337 		aux_engine_regs(1),
338 		aux_engine_regs(2),
339 		aux_engine_regs(3),
340 		aux_engine_regs(4),
341 		aux_engine_regs(5)
342 };
343 
344 #define tf_regs(id)\
345 [id] = {\
346 	TF_REG_LIST_DCN10(id),\
347 }
348 
349 static const struct dcn_dpp_registers tf_regs[] = {
350 	tf_regs(0),
351 	tf_regs(1),
352 	tf_regs(2),
353 	tf_regs(3),
354 };
355 
356 static const struct dcn_dpp_shift tf_shift = {
357 	TF_REG_LIST_SH_MASK_DCN10(__SHIFT),
358 	TF_DEBUG_REG_LIST_SH_DCN10
359 
360 };
361 
362 static const struct dcn_dpp_mask tf_mask = {
363 	TF_REG_LIST_SH_MASK_DCN10(_MASK),
364 	TF_DEBUG_REG_LIST_MASK_DCN10
365 };
366 
367 static const struct dcn_mpc_registers mpc_regs = {
368 		MPC_COMMON_REG_LIST_DCN1_0(0),
369 		MPC_COMMON_REG_LIST_DCN1_0(1),
370 		MPC_COMMON_REG_LIST_DCN1_0(2),
371 		MPC_COMMON_REG_LIST_DCN1_0(3),
372 		MPC_OUT_MUX_COMMON_REG_LIST_DCN1_0(0),
373 		MPC_OUT_MUX_COMMON_REG_LIST_DCN1_0(1),
374 		MPC_OUT_MUX_COMMON_REG_LIST_DCN1_0(2),
375 		MPC_OUT_MUX_COMMON_REG_LIST_DCN1_0(3)
376 };
377 
378 static const struct dcn_mpc_shift mpc_shift = {
379 	MPC_COMMON_MASK_SH_LIST_DCN1_0(__SHIFT),\
380 	SFRB(CUR_VUPDATE_LOCK_SET, CUR0_VUPDATE_LOCK_SET0, CUR0_VUPDATE_LOCK_SET, __SHIFT)
381 };
382 
383 static const struct dcn_mpc_mask mpc_mask = {
384 	MPC_COMMON_MASK_SH_LIST_DCN1_0(_MASK),\
385 	SFRB(CUR_VUPDATE_LOCK_SET, CUR0_VUPDATE_LOCK_SET0, CUR0_VUPDATE_LOCK_SET, _MASK)
386 };
387 
388 #define tg_regs(id)\
389 [id] = {TG_COMMON_REG_LIST_DCN1_0(id)}
390 
391 static const struct dcn_optc_registers tg_regs[] = {
392 	tg_regs(0),
393 	tg_regs(1),
394 	tg_regs(2),
395 	tg_regs(3),
396 };
397 
398 static const struct dcn_optc_shift tg_shift = {
399 	TG_COMMON_MASK_SH_LIST_DCN1_0(__SHIFT)
400 };
401 
402 static const struct dcn_optc_mask tg_mask = {
403 	TG_COMMON_MASK_SH_LIST_DCN1_0(_MASK)
404 };
405 
406 static const struct bios_registers bios_regs = {
407 		NBIO_SR(BIOS_SCRATCH_3),
408 		NBIO_SR(BIOS_SCRATCH_6)
409 };
410 
411 #define hubp_regs(id)\
412 [id] = {\
413 	HUBP_REG_LIST_DCN10(id)\
414 }
415 
416 static const struct dcn_mi_registers hubp_regs[] = {
417 	hubp_regs(0),
418 	hubp_regs(1),
419 	hubp_regs(2),
420 	hubp_regs(3),
421 };
422 
423 static const struct dcn_mi_shift hubp_shift = {
424 		HUBP_MASK_SH_LIST_DCN10(__SHIFT)
425 };
426 
427 static const struct dcn_mi_mask hubp_mask = {
428 		HUBP_MASK_SH_LIST_DCN10(_MASK)
429 };
430 
431 static const struct dcn_hubbub_registers hubbub_reg = {
432 		HUBBUB_REG_LIST_DCN10(0)
433 };
434 
435 static const struct dcn_hubbub_shift hubbub_shift = {
436 		HUBBUB_MASK_SH_LIST_DCN10(__SHIFT)
437 };
438 
439 static const struct dcn_hubbub_mask hubbub_mask = {
440 		HUBBUB_MASK_SH_LIST_DCN10(_MASK)
441 };
442 
map_transmitter_id_to_phy_instance(enum transmitter transmitter)443 static int map_transmitter_id_to_phy_instance(
444 	enum transmitter transmitter)
445 {
446 	switch (transmitter) {
447 	case TRANSMITTER_UNIPHY_A:
448 		return 0;
449 	break;
450 	case TRANSMITTER_UNIPHY_B:
451 		return 1;
452 	break;
453 	case TRANSMITTER_UNIPHY_C:
454 		return 2;
455 	break;
456 	case TRANSMITTER_UNIPHY_D:
457 		return 3;
458 	break;
459 	default:
460 		ASSERT(0);
461 		return 0;
462 	}
463 }
464 
465 #define clk_src_regs(index, pllid)\
466 [index] = {\
467 	CS_COMMON_REG_LIST_DCN1_0(index, pllid),\
468 }
469 
470 static const struct dce110_clk_src_regs clk_src_regs[] = {
471 	clk_src_regs(0, A),
472 	clk_src_regs(1, B),
473 	clk_src_regs(2, C),
474 	clk_src_regs(3, D)
475 };
476 
477 static const struct dce110_clk_src_shift cs_shift = {
478 		CS_COMMON_MASK_SH_LIST_DCN1_0(__SHIFT)
479 };
480 
481 static const struct dce110_clk_src_mask cs_mask = {
482 		CS_COMMON_MASK_SH_LIST_DCN1_0(_MASK)
483 };
484 
485 static const struct resource_caps res_cap = {
486 		.num_timing_generator = 4,
487 		.num_opp = 4,
488 		.num_video_plane = 4,
489 		.num_audio = 4,
490 		.num_stream_encoder = 4,
491 		.num_pll = 4,
492 		.num_ddc = 4,
493 };
494 
495 static const struct resource_caps rv2_res_cap = {
496 		.num_timing_generator = 3,
497 		.num_opp = 3,
498 		.num_video_plane = 3,
499 		.num_audio = 3,
500 		.num_stream_encoder = 3,
501 		.num_pll = 3,
502 		.num_ddc = 4,
503 };
504 
505 static const struct dc_plane_cap plane_cap = {
506 	.type = DC_PLANE_TYPE_DCN_UNIVERSAL,
507 	.blends_with_above = true,
508 	.blends_with_below = true,
509 	.per_pixel_alpha = true,
510 
511 	.pixel_format_support = {
512 			.argb8888 = true,
513 			.nv12 = true,
514 			.fp16 = true,
515 			.p010 = true
516 	},
517 
518 	.max_upscale_factor = {
519 			.argb8888 = 16000,
520 			.nv12 = 16000,
521 			.fp16 = 1
522 	},
523 
524 	.max_downscale_factor = {
525 			.argb8888 = 250,
526 			.nv12 = 250,
527 			.fp16 = 1
528 	}
529 };
530 
531 static const struct dc_debug_options debug_defaults_drv = {
532 		.sanity_checks = true,
533 		.disable_dmcu = false,
534 		.force_abm_enable = false,
535 		.timing_trace = false,
536 		.clock_trace = true,
537 
538 		/* raven smu dones't allow 0 disp clk,
539 		 * smu min disp clk limit is 50Mhz
540 		 * keep min disp clk 100Mhz avoid smu hang
541 		 */
542 		.min_disp_clk_khz = 100000,
543 
544 		.disable_pplib_clock_request = false,
545 		.disable_pplib_wm_range = false,
546 		.pplib_wm_report_mode = WM_REPORT_DEFAULT,
547 		.pipe_split_policy = MPC_SPLIT_AVOID,
548 		.force_single_disp_pipe_split = false,
549 		.disable_dcc = DCC_ENABLE,
550 		.voltage_align_fclk = true,
551 		.disable_stereo_support = true,
552 		.vsr_support = true,
553 		.performance_trace = false,
554 		.az_endpoint_mute_only = true,
555 		.recovery_enabled = false, /*enable this by default after testing.*/
556 		.max_downscale_src_width = 3840,
557 		.underflow_assert_delay_us = 0xFFFFFFFF,
558 };
559 
560 static const struct dc_debug_options debug_defaults_diags = {
561 		.disable_dmcu = false,
562 		.force_abm_enable = false,
563 		.timing_trace = true,
564 		.clock_trace = true,
565 		.disable_stutter = true,
566 		.disable_pplib_clock_request = true,
567 		.disable_pplib_wm_range = true,
568 		.underflow_assert_delay_us = 0xFFFFFFFF,
569 };
570 
dcn10_dpp_destroy(struct dpp ** dpp)571 static void dcn10_dpp_destroy(struct dpp **dpp)
572 {
573 	kfree(TO_DCN10_DPP(*dpp));
574 	*dpp = NULL;
575 }
576 
dcn10_dpp_create(struct dc_context * ctx,uint32_t inst)577 static struct dpp *dcn10_dpp_create(
578 	struct dc_context *ctx,
579 	uint32_t inst)
580 {
581 	struct dcn10_dpp *dpp =
582 		kzalloc(sizeof(struct dcn10_dpp), GFP_KERNEL);
583 
584 	if (!dpp)
585 		return NULL;
586 
587 	dpp1_construct(dpp, ctx, inst,
588 		       &tf_regs[inst], &tf_shift, &tf_mask);
589 	return &dpp->base;
590 }
591 
dcn10_ipp_create(struct dc_context * ctx,uint32_t inst)592 static struct input_pixel_processor *dcn10_ipp_create(
593 	struct dc_context *ctx, uint32_t inst)
594 {
595 	struct dcn10_ipp *ipp =
596 		kzalloc(sizeof(struct dcn10_ipp), GFP_KERNEL);
597 
598 	if (!ipp) {
599 		BREAK_TO_DEBUGGER();
600 		return NULL;
601 	}
602 
603 	dcn10_ipp_construct(ipp, ctx, inst,
604 			&ipp_regs[inst], &ipp_shift, &ipp_mask);
605 	return &ipp->base;
606 }
607 
608 
dcn10_opp_create(struct dc_context * ctx,uint32_t inst)609 static struct output_pixel_processor *dcn10_opp_create(
610 	struct dc_context *ctx, uint32_t inst)
611 {
612 	struct dcn10_opp *opp =
613 		kzalloc(sizeof(struct dcn10_opp), GFP_KERNEL);
614 
615 	if (!opp) {
616 		BREAK_TO_DEBUGGER();
617 		return NULL;
618 	}
619 
620 	dcn10_opp_construct(opp, ctx, inst,
621 			&opp_regs[inst], &opp_shift, &opp_mask);
622 	return &opp->base;
623 }
624 
dcn10_aux_engine_create(struct dc_context * ctx,uint32_t inst)625 static struct dce_aux *dcn10_aux_engine_create(struct dc_context *ctx,
626 					       uint32_t inst)
627 {
628 	struct aux_engine_dce110 *aux_engine =
629 		kzalloc(sizeof(struct aux_engine_dce110), GFP_KERNEL);
630 
631 	if (!aux_engine)
632 		return NULL;
633 
634 	dce110_aux_engine_construct(aux_engine, ctx, inst,
635 				    SW_AUX_TIMEOUT_PERIOD_MULTIPLIER * AUX_TIMEOUT_PERIOD,
636 				    &aux_engine_regs[inst],
637 					&aux_mask,
638 					&aux_shift,
639 					ctx->dc->caps.extended_aux_timeout_support);
640 
641 	return &aux_engine->base;
642 }
643 #define i2c_inst_regs(id) { I2C_HW_ENGINE_COMMON_REG_LIST(id) }
644 
645 static const struct dce_i2c_registers i2c_hw_regs[] = {
646 		i2c_inst_regs(1),
647 		i2c_inst_regs(2),
648 		i2c_inst_regs(3),
649 		i2c_inst_regs(4),
650 		i2c_inst_regs(5),
651 		i2c_inst_regs(6),
652 };
653 
654 static const struct dce_i2c_shift i2c_shifts = {
655 		I2C_COMMON_MASK_SH_LIST_DCE110(__SHIFT)
656 };
657 
658 static const struct dce_i2c_mask i2c_masks = {
659 		I2C_COMMON_MASK_SH_LIST_DCE110(_MASK)
660 };
661 
dcn10_i2c_hw_create(struct dc_context * ctx,uint32_t inst)662 static struct dce_i2c_hw *dcn10_i2c_hw_create(struct dc_context *ctx,
663 					      uint32_t inst)
664 {
665 	struct dce_i2c_hw *dce_i2c_hw =
666 		kzalloc(sizeof(struct dce_i2c_hw), GFP_KERNEL);
667 
668 	if (!dce_i2c_hw)
669 		return NULL;
670 
671 	dcn1_i2c_hw_construct(dce_i2c_hw, ctx, inst,
672 				    &i2c_hw_regs[inst], &i2c_shifts, &i2c_masks);
673 
674 	return dce_i2c_hw;
675 }
dcn10_mpc_create(struct dc_context * ctx)676 static struct mpc *dcn10_mpc_create(struct dc_context *ctx)
677 {
678 	struct dcn10_mpc *mpc10 = kzalloc(sizeof(struct dcn10_mpc),
679 					  GFP_KERNEL);
680 
681 	if (!mpc10)
682 		return NULL;
683 
684 	dcn10_mpc_construct(mpc10, ctx,
685 			&mpc_regs,
686 			&mpc_shift,
687 			&mpc_mask,
688 			4);
689 
690 	return &mpc10->base;
691 }
692 
dcn10_hubbub_create(struct dc_context * ctx)693 static struct hubbub *dcn10_hubbub_create(struct dc_context *ctx)
694 {
695 	struct dcn10_hubbub *dcn10_hubbub = kzalloc(sizeof(struct dcn10_hubbub),
696 					  GFP_KERNEL);
697 
698 	if (!dcn10_hubbub)
699 		return NULL;
700 
701 	hubbub1_construct(&dcn10_hubbub->base, ctx,
702 			&hubbub_reg,
703 			&hubbub_shift,
704 			&hubbub_mask);
705 
706 	return &dcn10_hubbub->base;
707 }
708 
dcn10_timing_generator_create(struct dc_context * ctx,uint32_t instance)709 static struct timing_generator *dcn10_timing_generator_create(
710 		struct dc_context *ctx,
711 		uint32_t instance)
712 {
713 	struct optc *tgn10 =
714 		kzalloc(sizeof(struct optc), GFP_KERNEL);
715 
716 	if (!tgn10)
717 		return NULL;
718 
719 	tgn10->base.inst = instance;
720 	tgn10->base.ctx = ctx;
721 
722 	tgn10->tg_regs = &tg_regs[instance];
723 	tgn10->tg_shift = &tg_shift;
724 	tgn10->tg_mask = &tg_mask;
725 
726 	dcn10_timing_generator_init(tgn10);
727 
728 	return &tgn10->base;
729 }
730 
731 static const struct encoder_feature_support link_enc_feature = {
732 		.max_hdmi_deep_color = COLOR_DEPTH_121212,
733 		.max_hdmi_pixel_clock = 600000,
734 		.hdmi_ycbcr420_supported = true,
735 		.dp_ycbcr420_supported = true,
736 		.flags.bits.IS_HBR2_CAPABLE = true,
737 		.flags.bits.IS_HBR3_CAPABLE = true,
738 		.flags.bits.IS_TPS3_CAPABLE = true,
739 		.flags.bits.IS_TPS4_CAPABLE = true
740 };
741 
dcn10_link_encoder_create(struct dc_context * ctx,const struct encoder_init_data * enc_init_data)742 static struct link_encoder *dcn10_link_encoder_create(
743 	struct dc_context *ctx,
744 	const struct encoder_init_data *enc_init_data)
745 {
746 	struct dcn10_link_encoder *enc10 =
747 		kzalloc(sizeof(struct dcn10_link_encoder), GFP_KERNEL);
748 	int link_regs_id;
749 
750 	if (!enc10)
751 		return NULL;
752 
753 	link_regs_id =
754 		map_transmitter_id_to_phy_instance(enc_init_data->transmitter);
755 
756 	dcn10_link_encoder_construct(enc10,
757 				      enc_init_data,
758 				      &link_enc_feature,
759 				      &link_enc_regs[link_regs_id],
760 				      &link_enc_aux_regs[enc_init_data->channel - 1],
761 				      &link_enc_hpd_regs[enc_init_data->hpd_source],
762 				      &le_shift,
763 				      &le_mask);
764 
765 	return &enc10->base;
766 }
767 
dcn10_panel_cntl_create(const struct panel_cntl_init_data * init_data)768 static struct panel_cntl *dcn10_panel_cntl_create(const struct panel_cntl_init_data *init_data)
769 {
770 	struct dce_panel_cntl *panel_cntl =
771 		kzalloc(sizeof(struct dce_panel_cntl), GFP_KERNEL);
772 
773 	if (!panel_cntl)
774 		return NULL;
775 
776 	dce_panel_cntl_construct(panel_cntl,
777 			init_data,
778 			&panel_cntl_regs[init_data->inst],
779 			&panel_cntl_shift,
780 			&panel_cntl_mask);
781 
782 	return &panel_cntl->base;
783 }
784 
dcn10_clock_source_create(struct dc_context * ctx,struct dc_bios * bios,enum clock_source_id id,const struct dce110_clk_src_regs * regs,bool dp_clk_src)785 static struct clock_source *dcn10_clock_source_create(
786 	struct dc_context *ctx,
787 	struct dc_bios *bios,
788 	enum clock_source_id id,
789 	const struct dce110_clk_src_regs *regs,
790 	bool dp_clk_src)
791 {
792 	struct dce110_clk_src *clk_src =
793 		kzalloc(sizeof(struct dce110_clk_src), GFP_KERNEL);
794 
795 	if (!clk_src)
796 		return NULL;
797 
798 	if (dce112_clk_src_construct(clk_src, ctx, bios, id,
799 			regs, &cs_shift, &cs_mask)) {
800 		clk_src->base.dp_clk_src = dp_clk_src;
801 		return &clk_src->base;
802 	}
803 
804 	kfree(clk_src);
805 	BREAK_TO_DEBUGGER();
806 	return NULL;
807 }
808 
read_dce_straps(struct dc_context * ctx,struct resource_straps * straps)809 static void read_dce_straps(
810 	struct dc_context *ctx,
811 	struct resource_straps *straps)
812 {
813 	generic_reg_get(ctx, mmDC_PINSTRAPS + BASE(mmDC_PINSTRAPS_BASE_IDX),
814 		FN(DC_PINSTRAPS, DC_PINSTRAPS_AUDIO), &straps->dc_pinstraps_audio);
815 }
816 
create_audio(struct dc_context * ctx,unsigned int inst)817 static struct audio *create_audio(
818 		struct dc_context *ctx, unsigned int inst)
819 {
820 	return dce_audio_create(ctx, inst,
821 			&audio_regs[inst], &audio_shift, &audio_mask);
822 }
823 
dcn10_stream_encoder_create(enum engine_id eng_id,struct dc_context * ctx)824 static struct stream_encoder *dcn10_stream_encoder_create(
825 	enum engine_id eng_id,
826 	struct dc_context *ctx)
827 {
828 	struct dcn10_stream_encoder *enc1 =
829 		kzalloc(sizeof(struct dcn10_stream_encoder), GFP_KERNEL);
830 
831 	if (!enc1)
832 		return NULL;
833 
834 	dcn10_stream_encoder_construct(enc1, ctx, ctx->dc_bios, eng_id,
835 					&stream_enc_regs[eng_id],
836 					&se_shift, &se_mask);
837 	return &enc1->base;
838 }
839 
840 static const struct dce_hwseq_registers hwseq_reg = {
841 		HWSEQ_DCN1_REG_LIST()
842 };
843 
844 static const struct dce_hwseq_shift hwseq_shift = {
845 		HWSEQ_DCN1_MASK_SH_LIST(__SHIFT)
846 };
847 
848 static const struct dce_hwseq_mask hwseq_mask = {
849 		HWSEQ_DCN1_MASK_SH_LIST(_MASK)
850 };
851 
dcn10_hwseq_create(struct dc_context * ctx)852 static struct dce_hwseq *dcn10_hwseq_create(
853 	struct dc_context *ctx)
854 {
855 	struct dce_hwseq *hws = kzalloc(sizeof(struct dce_hwseq), GFP_KERNEL);
856 
857 	if (hws) {
858 		hws->ctx = ctx;
859 		hws->regs = &hwseq_reg;
860 		hws->shifts = &hwseq_shift;
861 		hws->masks = &hwseq_mask;
862 		hws->wa.DEGVIDCN10_253 = true;
863 		hws->wa.false_optc_underflow = true;
864 		hws->wa.DEGVIDCN10_254 = true;
865 
866 		if ((ctx->asic_id.chip_family == FAMILY_RV) &&
867 			ASICREV_IS_RAVEN2(ctx->asic_id.hw_internal_rev))
868 			switch (ctx->asic_id.pci_revision_id) {
869 			case PRID_POLLOCK_94:
870 			case PRID_POLLOCK_95:
871 			case PRID_POLLOCK_E9:
872 			case PRID_POLLOCK_EA:
873 			case PRID_POLLOCK_EB:
874 				hws->wa.wait_hubpret_read_start_during_mpo_transition = true;
875 				break;
876 			default:
877 				hws->wa.wait_hubpret_read_start_during_mpo_transition = false;
878 				break;
879 			}
880 	}
881 	return hws;
882 }
883 
884 static const struct resource_create_funcs res_create_funcs = {
885 	.read_dce_straps = read_dce_straps,
886 	.create_audio = create_audio,
887 	.create_stream_encoder = dcn10_stream_encoder_create,
888 	.create_hwseq = dcn10_hwseq_create,
889 };
890 
891 static const struct resource_create_funcs res_create_maximus_funcs = {
892 	.read_dce_straps = NULL,
893 	.create_audio = NULL,
894 	.create_stream_encoder = NULL,
895 	.create_hwseq = dcn10_hwseq_create,
896 };
897 
dcn10_clock_source_destroy(struct clock_source ** clk_src)898 static void dcn10_clock_source_destroy(struct clock_source **clk_src)
899 {
900 	kfree(TO_DCE110_CLK_SRC(*clk_src));
901 	*clk_src = NULL;
902 }
903 
dcn10_pp_smu_create(struct dc_context * ctx)904 static struct pp_smu_funcs *dcn10_pp_smu_create(struct dc_context *ctx)
905 {
906 	struct pp_smu_funcs *pp_smu = kzalloc(sizeof(*pp_smu), GFP_KERNEL);
907 
908 	if (!pp_smu)
909 		return pp_smu;
910 
911 	dm_pp_get_funcs(ctx, pp_smu);
912 	return pp_smu;
913 }
914 
dcn10_resource_destruct(struct dcn10_resource_pool * pool)915 static void dcn10_resource_destruct(struct dcn10_resource_pool *pool)
916 {
917 	unsigned int i;
918 
919 	for (i = 0; i < pool->base.stream_enc_count; i++) {
920 		if (pool->base.stream_enc[i] != NULL) {
921 			kfree(DCN10STRENC_FROM_STRENC(pool->base.stream_enc[i]));
922 			pool->base.stream_enc[i] = NULL;
923 		}
924 	}
925 
926 	if (pool->base.mpc != NULL) {
927 		kfree(TO_DCN10_MPC(pool->base.mpc));
928 		pool->base.mpc = NULL;
929 	}
930 
931 	kfree(pool->base.hubbub);
932 	pool->base.hubbub = NULL;
933 
934 	for (i = 0; i < pool->base.pipe_count; i++) {
935 		if (pool->base.opps[i] != NULL)
936 			pool->base.opps[i]->funcs->opp_destroy(&pool->base.opps[i]);
937 
938 		if (pool->base.dpps[i] != NULL)
939 			dcn10_dpp_destroy(&pool->base.dpps[i]);
940 
941 		if (pool->base.ipps[i] != NULL)
942 			pool->base.ipps[i]->funcs->ipp_destroy(&pool->base.ipps[i]);
943 
944 		if (pool->base.hubps[i] != NULL) {
945 			kfree(TO_DCN10_HUBP(pool->base.hubps[i]));
946 			pool->base.hubps[i] = NULL;
947 		}
948 
949 		if (pool->base.irqs != NULL) {
950 			dal_irq_service_destroy(&pool->base.irqs);
951 		}
952 
953 		if (pool->base.timing_generators[i] != NULL)	{
954 			kfree(DCN10TG_FROM_TG(pool->base.timing_generators[i]));
955 			pool->base.timing_generators[i] = NULL;
956 		}
957 	}
958 
959 	for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
960 		if (pool->base.engines[i] != NULL)
961 			dce110_engine_destroy(&pool->base.engines[i]);
962 		kfree(pool->base.hw_i2cs[i]);
963 		pool->base.hw_i2cs[i] = NULL;
964 		kfree(pool->base.sw_i2cs[i]);
965 		pool->base.sw_i2cs[i] = NULL;
966 	}
967 
968 	for (i = 0; i < pool->base.audio_count; i++) {
969 		if (pool->base.audios[i])
970 			dce_aud_destroy(&pool->base.audios[i]);
971 	}
972 
973 	for (i = 0; i < pool->base.clk_src_count; i++) {
974 		if (pool->base.clock_sources[i] != NULL) {
975 			dcn10_clock_source_destroy(&pool->base.clock_sources[i]);
976 			pool->base.clock_sources[i] = NULL;
977 		}
978 	}
979 
980 	if (pool->base.dp_clock_source != NULL) {
981 		dcn10_clock_source_destroy(&pool->base.dp_clock_source);
982 		pool->base.dp_clock_source = NULL;
983 	}
984 
985 	if (pool->base.abm != NULL)
986 		dce_abm_destroy(&pool->base.abm);
987 
988 	if (pool->base.dmcu != NULL)
989 		dce_dmcu_destroy(&pool->base.dmcu);
990 
991 	kfree(pool->base.pp_smu);
992 }
993 
dcn10_hubp_create(struct dc_context * ctx,uint32_t inst)994 static struct hubp *dcn10_hubp_create(
995 	struct dc_context *ctx,
996 	uint32_t inst)
997 {
998 	struct dcn10_hubp *hubp1 =
999 		kzalloc(sizeof(struct dcn10_hubp), GFP_KERNEL);
1000 
1001 	if (!hubp1)
1002 		return NULL;
1003 
1004 	dcn10_hubp_construct(hubp1, ctx, inst,
1005 			     &hubp_regs[inst], &hubp_shift, &hubp_mask);
1006 	return &hubp1->base;
1007 }
1008 
get_pixel_clock_parameters(const struct pipe_ctx * pipe_ctx,struct pixel_clk_params * pixel_clk_params)1009 static void get_pixel_clock_parameters(
1010 	const struct pipe_ctx *pipe_ctx,
1011 	struct pixel_clk_params *pixel_clk_params)
1012 {
1013 	const struct dc_stream_state *stream = pipe_ctx->stream;
1014 	pixel_clk_params->requested_pix_clk_100hz = stream->timing.pix_clk_100hz;
1015 	pixel_clk_params->encoder_object_id = stream->link->link_enc->id;
1016 	pixel_clk_params->signal_type = pipe_ctx->stream->signal;
1017 	pixel_clk_params->controller_id = pipe_ctx->stream_res.tg->inst + 1;
1018 	/* TODO: un-hardcode*/
1019 	pixel_clk_params->requested_sym_clk = LINK_RATE_LOW *
1020 		LINK_RATE_REF_FREQ_IN_KHZ;
1021 	pixel_clk_params->flags.ENABLE_SS = 0;
1022 	pixel_clk_params->color_depth =
1023 		stream->timing.display_color_depth;
1024 	pixel_clk_params->flags.DISPLAY_BLANKED = 1;
1025 	pixel_clk_params->pixel_encoding = stream->timing.pixel_encoding;
1026 
1027 	if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422)
1028 		pixel_clk_params->color_depth = COLOR_DEPTH_888;
1029 
1030 	if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
1031 		pixel_clk_params->requested_pix_clk_100hz  /= 2;
1032 	if (stream->timing.timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING)
1033 		pixel_clk_params->requested_pix_clk_100hz *= 2;
1034 
1035 }
1036 
build_clamping_params(struct dc_stream_state * stream)1037 static void build_clamping_params(struct dc_stream_state *stream)
1038 {
1039 	stream->clamping.clamping_level = CLAMPING_FULL_RANGE;
1040 	stream->clamping.c_depth = stream->timing.display_color_depth;
1041 	stream->clamping.pixel_encoding = stream->timing.pixel_encoding;
1042 }
1043 
build_pipe_hw_param(struct pipe_ctx * pipe_ctx)1044 static void build_pipe_hw_param(struct pipe_ctx *pipe_ctx)
1045 {
1046 
1047 	get_pixel_clock_parameters(pipe_ctx, &pipe_ctx->stream_res.pix_clk_params);
1048 
1049 	pipe_ctx->clock_source->funcs->get_pix_clk_dividers(
1050 		pipe_ctx->clock_source,
1051 		&pipe_ctx->stream_res.pix_clk_params,
1052 		&pipe_ctx->pll_settings);
1053 
1054 	pipe_ctx->stream->clamping.pixel_encoding = pipe_ctx->stream->timing.pixel_encoding;
1055 
1056 	resource_build_bit_depth_reduction_params(pipe_ctx->stream,
1057 					&pipe_ctx->stream->bit_depth_params);
1058 	build_clamping_params(pipe_ctx->stream);
1059 }
1060 
build_mapped_resource(const struct dc * dc,struct dc_state * context,struct dc_stream_state * stream)1061 static enum dc_status build_mapped_resource(
1062 		const struct dc *dc,
1063 		struct dc_state *context,
1064 		struct dc_stream_state *stream)
1065 {
1066 	struct pipe_ctx *pipe_ctx = resource_get_head_pipe_for_stream(&context->res_ctx, stream);
1067 
1068 	if (!pipe_ctx)
1069 		return DC_ERROR_UNEXPECTED;
1070 
1071 	build_pipe_hw_param(pipe_ctx);
1072 	return DC_OK;
1073 }
1074 
dcn10_add_stream_to_ctx(struct dc * dc,struct dc_state * new_ctx,struct dc_stream_state * dc_stream)1075 static enum dc_status dcn10_add_stream_to_ctx(
1076 		struct dc *dc,
1077 		struct dc_state *new_ctx,
1078 		struct dc_stream_state *dc_stream)
1079 {
1080 	enum dc_status result = DC_ERROR_UNEXPECTED;
1081 
1082 	result = resource_map_pool_resources(dc, new_ctx, dc_stream);
1083 
1084 	if (result == DC_OK)
1085 		result = resource_map_phy_clock_resources(dc, new_ctx, dc_stream);
1086 
1087 
1088 	if (result == DC_OK)
1089 		result = build_mapped_resource(dc, new_ctx, dc_stream);
1090 
1091 	return result;
1092 }
1093 
dcn10_acquire_idle_pipe_for_layer(struct dc_state * context,const struct resource_pool * pool,struct dc_stream_state * stream)1094 static struct pipe_ctx *dcn10_acquire_idle_pipe_for_layer(
1095 		struct dc_state *context,
1096 		const struct resource_pool *pool,
1097 		struct dc_stream_state *stream)
1098 {
1099 	struct resource_context *res_ctx = &context->res_ctx;
1100 	struct pipe_ctx *head_pipe = resource_get_head_pipe_for_stream(res_ctx, stream);
1101 	struct pipe_ctx *idle_pipe = find_idle_secondary_pipe(res_ctx, pool, head_pipe);
1102 
1103 	if (!head_pipe) {
1104 		ASSERT(0);
1105 		return NULL;
1106 	}
1107 
1108 	if (!idle_pipe)
1109 		return NULL;
1110 
1111 	idle_pipe->stream = head_pipe->stream;
1112 	idle_pipe->stream_res.tg = head_pipe->stream_res.tg;
1113 	idle_pipe->stream_res.abm = head_pipe->stream_res.abm;
1114 	idle_pipe->stream_res.opp = head_pipe->stream_res.opp;
1115 
1116 	idle_pipe->plane_res.hubp = pool->hubps[idle_pipe->pipe_idx];
1117 	idle_pipe->plane_res.ipp = pool->ipps[idle_pipe->pipe_idx];
1118 	idle_pipe->plane_res.dpp = pool->dpps[idle_pipe->pipe_idx];
1119 	idle_pipe->plane_res.mpcc_inst = pool->dpps[idle_pipe->pipe_idx]->inst;
1120 
1121 	return idle_pipe;
1122 }
1123 
dcn10_get_dcc_compression_cap(const struct dc * dc,const struct dc_dcc_surface_param * input,struct dc_surface_dcc_cap * output)1124 static bool dcn10_get_dcc_compression_cap(const struct dc *dc,
1125 		const struct dc_dcc_surface_param *input,
1126 		struct dc_surface_dcc_cap *output)
1127 {
1128 	return dc->res_pool->hubbub->funcs->get_dcc_compression_cap(
1129 			dc->res_pool->hubbub,
1130 			input,
1131 			output);
1132 }
1133 
dcn10_destroy_resource_pool(struct resource_pool ** pool)1134 static void dcn10_destroy_resource_pool(struct resource_pool **pool)
1135 {
1136 	struct dcn10_resource_pool *dcn10_pool = TO_DCN10_RES_POOL(*pool);
1137 
1138 	dcn10_resource_destruct(dcn10_pool);
1139 	kfree(dcn10_pool);
1140 	*pool = NULL;
1141 }
1142 
dcn10_validate_bandwidth(struct dc * dc,struct dc_state * context,bool fast_validate)1143 static bool dcn10_validate_bandwidth(
1144 		struct dc *dc,
1145 		struct dc_state *context,
1146 		bool fast_validate)
1147 {
1148 	bool voltage_supported;
1149 
1150 	DC_FP_START();
1151 	voltage_supported = dcn_validate_bandwidth(dc, context, fast_validate);
1152 	DC_FP_END();
1153 
1154 	return voltage_supported;
1155 }
1156 
dcn10_validate_plane(const struct dc_plane_state * plane_state,struct dc_caps * caps)1157 static enum dc_status dcn10_validate_plane(const struct dc_plane_state *plane_state, struct dc_caps *caps)
1158 {
1159 	if (plane_state->format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN
1160 			&& caps->max_video_width != 0
1161 			&& plane_state->src_rect.width > caps->max_video_width)
1162 		return DC_FAIL_SURFACE_VALIDATE;
1163 
1164 	return DC_OK;
1165 }
1166 
dcn10_validate_global(struct dc * dc,struct dc_state * context)1167 static enum dc_status dcn10_validate_global(struct dc *dc, struct dc_state *context)
1168 {
1169 	int i, j;
1170 	bool video_down_scaled = false;
1171 	bool video_large = false;
1172 	bool desktop_large = false;
1173 	bool dcc_disabled = false;
1174 	bool mpo_enabled = false;
1175 
1176 	for (i = 0; i < context->stream_count; i++) {
1177 		if (context->stream_status[i].plane_count == 0)
1178 			continue;
1179 
1180 		if (context->stream_status[i].plane_count > 2)
1181 			return DC_FAIL_UNSUPPORTED_1;
1182 
1183 		if (context->stream_status[i].plane_count > 1)
1184 			mpo_enabled = true;
1185 
1186 		for (j = 0; j < context->stream_status[i].plane_count; j++) {
1187 			struct dc_plane_state *plane =
1188 				context->stream_status[i].plane_states[j];
1189 
1190 
1191 			if (plane->format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
1192 
1193 				if (plane->src_rect.width > plane->dst_rect.width ||
1194 						plane->src_rect.height > plane->dst_rect.height)
1195 					video_down_scaled = true;
1196 
1197 				if (plane->src_rect.width >= 3840)
1198 					video_large = true;
1199 
1200 			} else {
1201 				if (plane->src_rect.width >= 3840)
1202 					desktop_large = true;
1203 				if (!plane->dcc.enable)
1204 					dcc_disabled = true;
1205 			}
1206 		}
1207 	}
1208 
1209 	/* Disable MPO in multi-display configurations. */
1210 	if (context->stream_count > 1 && mpo_enabled)
1211 		return DC_FAIL_UNSUPPORTED_1;
1212 
1213 	/*
1214 	 * Workaround: On DCN10 there is UMC issue that causes underflow when
1215 	 * playing 4k video on 4k desktop with video downscaled and single channel
1216 	 * memory
1217 	 */
1218 	if (video_large && desktop_large && video_down_scaled && dcc_disabled &&
1219 			dc->dcn_soc->number_of_channels == 1)
1220 		return DC_FAIL_SURFACE_VALIDATE;
1221 
1222 	return DC_OK;
1223 }
1224 
dcn10_patch_unknown_plane_state(struct dc_plane_state * plane_state)1225 static enum dc_status dcn10_patch_unknown_plane_state(struct dc_plane_state *plane_state)
1226 {
1227 	enum surface_pixel_format surf_pix_format = plane_state->format;
1228 	unsigned int bpp = resource_pixel_format_to_bpp(surf_pix_format);
1229 
1230 	enum swizzle_mode_values swizzle = DC_SW_LINEAR;
1231 
1232 	if (bpp == 64)
1233 		swizzle = DC_SW_64KB_D;
1234 	else
1235 		swizzle = DC_SW_64KB_S;
1236 
1237 	plane_state->tiling_info.gfx9.swizzle = swizzle;
1238 	return DC_OK;
1239 }
1240 
dcn10_find_first_free_match_stream_enc_for_link(struct resource_context * res_ctx,const struct resource_pool * pool,struct dc_stream_state * stream)1241 struct stream_encoder *dcn10_find_first_free_match_stream_enc_for_link(
1242 		struct resource_context *res_ctx,
1243 		const struct resource_pool *pool,
1244 		struct dc_stream_state *stream)
1245 {
1246 	int i;
1247 	int j = -1;
1248 	struct dc_link *link = stream->link;
1249 
1250 	for (i = 0; i < pool->stream_enc_count; i++) {
1251 		if (!res_ctx->is_stream_enc_acquired[i] &&
1252 				pool->stream_enc[i]) {
1253 			/* Store first available for MST second display
1254 			 * in daisy chain use case
1255 			 */
1256 			j = i;
1257 			if (link->ep_type == DISPLAY_ENDPOINT_PHY && pool->stream_enc[i]->id ==
1258 					link->link_enc->preferred_engine)
1259 				return pool->stream_enc[i];
1260 		}
1261 	}
1262 
1263 	/*
1264 	 * For CZ and later, we can allow DIG FE and BE to differ for all display types
1265 	 */
1266 
1267 	if (j >= 0)
1268 		return pool->stream_enc[j];
1269 
1270 	return NULL;
1271 }
1272 
1273 static const struct dc_cap_funcs cap_funcs = {
1274 	.get_dcc_compression_cap = dcn10_get_dcc_compression_cap
1275 };
1276 
1277 static const struct resource_funcs dcn10_res_pool_funcs = {
1278 	.destroy = dcn10_destroy_resource_pool,
1279 	.link_enc_create = dcn10_link_encoder_create,
1280 	.panel_cntl_create = dcn10_panel_cntl_create,
1281 	.validate_bandwidth = dcn10_validate_bandwidth,
1282 	.acquire_idle_pipe_for_layer = dcn10_acquire_idle_pipe_for_layer,
1283 	.validate_plane = dcn10_validate_plane,
1284 	.validate_global = dcn10_validate_global,
1285 	.add_stream_to_ctx = dcn10_add_stream_to_ctx,
1286 	.patch_unknown_plane_state = dcn10_patch_unknown_plane_state,
1287 	.find_first_free_match_stream_enc_for_link = dcn10_find_first_free_match_stream_enc_for_link
1288 };
1289 
read_pipe_fuses(struct dc_context * ctx)1290 static uint32_t read_pipe_fuses(struct dc_context *ctx)
1291 {
1292 	uint32_t value = dm_read_reg_soc15(ctx, mmCC_DC_PIPE_DIS, 0);
1293 	/* RV1 support max 4 pipes */
1294 	value = value & 0xf;
1295 	return value;
1296 }
1297 
1298 /*
1299  * Some architectures don't support soft-float (e.g. aarch64), on those
1300  * this function has to be called with hardfloat enabled, make sure not
1301  * to inline it so whatever fp stuff is done stays inside
1302  */
dcn10_resource_construct_fp(struct dc * dc)1303 static noinline void dcn10_resource_construct_fp(
1304 	struct dc *dc)
1305 {
1306 	if (dc->ctx->dce_version == DCN_VERSION_1_01) {
1307 		struct dcn_soc_bounding_box *dcn_soc = dc->dcn_soc;
1308 		struct dcn_ip_params *dcn_ip = dc->dcn_ip;
1309 		struct display_mode_lib *dml = &dc->dml;
1310 
1311 		dml->ip.max_num_dpp = 3;
1312 		/* TODO how to handle 23.84? */
1313 		dcn_soc->dram_clock_change_latency = 23;
1314 		dcn_ip->max_num_dpp = 3;
1315 	}
1316 	if (ASICREV_IS_RV1_F0(dc->ctx->asic_id.hw_internal_rev)) {
1317 		dc->dcn_soc->urgent_latency = 3;
1318 		dc->debug.disable_dmcu = true;
1319 		dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9 = 41.60f;
1320 	}
1321 
1322 
1323 	dc->dcn_soc->number_of_channels = dc->ctx->asic_id.vram_width / ddr4_dram_width;
1324 	ASSERT(dc->dcn_soc->number_of_channels < 3);
1325 	if (dc->dcn_soc->number_of_channels == 0)/*old sbios bug*/
1326 		dc->dcn_soc->number_of_channels = 2;
1327 
1328 	if (dc->dcn_soc->number_of_channels == 1) {
1329 		dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9 = 19.2f;
1330 		dc->dcn_soc->fabric_and_dram_bandwidth_vnom0p8 = 17.066f;
1331 		dc->dcn_soc->fabric_and_dram_bandwidth_vmid0p72 = 14.933f;
1332 		dc->dcn_soc->fabric_and_dram_bandwidth_vmin0p65 = 12.8f;
1333 		if (ASICREV_IS_RV1_F0(dc->ctx->asic_id.hw_internal_rev)) {
1334 			dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9 = 20.80f;
1335 		}
1336 	}
1337 }
1338 
verify_clock_values(struct dm_pp_clock_levels_with_voltage * clks)1339 static bool verify_clock_values(struct dm_pp_clock_levels_with_voltage *clks)
1340 {
1341 	int i;
1342 
1343 	if (clks->num_levels == 0)
1344 		return false;
1345 
1346 	for (i = 0; i < clks->num_levels; i++)
1347 		/* Ensure that the result is sane */
1348 		if (clks->data[i].clocks_in_khz == 0)
1349 			return false;
1350 
1351 	return true;
1352 }
1353 
dcn10_resource_construct(uint8_t num_virtual_links,struct dc * dc,struct dcn10_resource_pool * pool)1354 static bool dcn10_resource_construct(
1355 	uint8_t num_virtual_links,
1356 	struct dc *dc,
1357 	struct dcn10_resource_pool *pool)
1358 {
1359 	int i;
1360 	int j;
1361 	struct dc_context *ctx = dc->ctx;
1362 	uint32_t pipe_fuses = read_pipe_fuses(ctx);
1363 	struct dm_pp_clock_levels_with_voltage fclks = {0}, dcfclks = {0};
1364 	int min_fclk_khz, min_dcfclk_khz, socclk_khz;
1365 	bool res;
1366 
1367 	ctx->dc_bios->regs = &bios_regs;
1368 
1369 	if (ctx->dce_version == DCN_VERSION_1_01)
1370 		pool->base.res_cap = &rv2_res_cap;
1371 	else
1372 		pool->base.res_cap = &res_cap;
1373 	pool->base.funcs = &dcn10_res_pool_funcs;
1374 
1375 	/*
1376 	 * TODO fill in from actual raven resource when we create
1377 	 * more than virtual encoder
1378 	 */
1379 
1380 	/*************************************************
1381 	 *  Resource + asic cap harcoding                *
1382 	 *************************************************/
1383 	pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
1384 
1385 	/* max pipe num for ASIC before check pipe fuses */
1386 	pool->base.pipe_count = pool->base.res_cap->num_timing_generator;
1387 
1388 	if (dc->ctx->dce_version == DCN_VERSION_1_01)
1389 		pool->base.pipe_count = 3;
1390 	dc->caps.max_video_width = 3840;
1391 	dc->caps.max_downscale_ratio = 200;
1392 	dc->caps.i2c_speed_in_khz = 100;
1393 	dc->caps.i2c_speed_in_khz_hdcp = 100; /*1.4 w/a not applied by default*/
1394 	dc->caps.max_cursor_size = 256;
1395 	dc->caps.min_horizontal_blanking_period = 80;
1396 	dc->caps.max_slave_planes = 1;
1397 	dc->caps.max_slave_yuv_planes = 1;
1398 	dc->caps.max_slave_rgb_planes = 0;
1399 	dc->caps.is_apu = true;
1400 	dc->caps.post_blend_color_processing = false;
1401 	dc->caps.extended_aux_timeout_support = false;
1402 
1403 	/* Raven DP PHY HBR2 eye diagram pattern is not stable. Use TP4 */
1404 	dc->caps.force_dp_tps4_for_cp2520 = true;
1405 
1406 	/* Color pipeline capabilities */
1407 	dc->caps.color.dpp.dcn_arch = 1;
1408 	dc->caps.color.dpp.input_lut_shared = 1;
1409 	dc->caps.color.dpp.icsc = 1;
1410 	dc->caps.color.dpp.dgam_ram = 1;
1411 	dc->caps.color.dpp.dgam_rom_caps.srgb = 1;
1412 	dc->caps.color.dpp.dgam_rom_caps.bt2020 = 1;
1413 	dc->caps.color.dpp.dgam_rom_caps.gamma2_2 = 0;
1414 	dc->caps.color.dpp.dgam_rom_caps.pq = 0;
1415 	dc->caps.color.dpp.dgam_rom_caps.hlg = 0;
1416 	dc->caps.color.dpp.post_csc = 0;
1417 	dc->caps.color.dpp.gamma_corr = 0;
1418 	dc->caps.color.dpp.dgam_rom_for_yuv = 1;
1419 
1420 	dc->caps.color.dpp.hw_3d_lut = 0;
1421 	dc->caps.color.dpp.ogam_ram = 1; // RGAM on DCN1
1422 	dc->caps.color.dpp.ogam_rom_caps.srgb = 1;
1423 	dc->caps.color.dpp.ogam_rom_caps.bt2020 = 1;
1424 	dc->caps.color.dpp.ogam_rom_caps.gamma2_2 = 0;
1425 	dc->caps.color.dpp.ogam_rom_caps.pq = 0;
1426 	dc->caps.color.dpp.ogam_rom_caps.hlg = 0;
1427 	dc->caps.color.dpp.ocsc = 1;
1428 
1429 	/* no post-blend color operations */
1430 	dc->caps.color.mpc.gamut_remap = 0;
1431 	dc->caps.color.mpc.num_3dluts = 0;
1432 	dc->caps.color.mpc.shared_3d_lut = 0;
1433 	dc->caps.color.mpc.ogam_ram = 0;
1434 	dc->caps.color.mpc.ogam_rom_caps.srgb = 0;
1435 	dc->caps.color.mpc.ogam_rom_caps.bt2020 = 0;
1436 	dc->caps.color.mpc.ogam_rom_caps.gamma2_2 = 0;
1437 	dc->caps.color.mpc.ogam_rom_caps.pq = 0;
1438 	dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
1439 	dc->caps.color.mpc.ocsc = 0;
1440 
1441 	if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
1442 		dc->debug = debug_defaults_drv;
1443 	else
1444 		dc->debug = debug_defaults_diags;
1445 
1446 	/*************************************************
1447 	 *  Create resources                             *
1448 	 *************************************************/
1449 
1450 	pool->base.clock_sources[DCN10_CLK_SRC_PLL0] =
1451 			dcn10_clock_source_create(ctx, ctx->dc_bios,
1452 				CLOCK_SOURCE_COMBO_PHY_PLL0,
1453 				&clk_src_regs[0], false);
1454 	pool->base.clock_sources[DCN10_CLK_SRC_PLL1] =
1455 			dcn10_clock_source_create(ctx, ctx->dc_bios,
1456 				CLOCK_SOURCE_COMBO_PHY_PLL1,
1457 				&clk_src_regs[1], false);
1458 	pool->base.clock_sources[DCN10_CLK_SRC_PLL2] =
1459 			dcn10_clock_source_create(ctx, ctx->dc_bios,
1460 				CLOCK_SOURCE_COMBO_PHY_PLL2,
1461 				&clk_src_regs[2], false);
1462 
1463 	if (dc->ctx->dce_version == DCN_VERSION_1_0) {
1464 		pool->base.clock_sources[DCN10_CLK_SRC_PLL3] =
1465 				dcn10_clock_source_create(ctx, ctx->dc_bios,
1466 					CLOCK_SOURCE_COMBO_PHY_PLL3,
1467 					&clk_src_regs[3], false);
1468 	}
1469 
1470 	pool->base.clk_src_count = DCN10_CLK_SRC_TOTAL;
1471 
1472 	if (dc->ctx->dce_version == DCN_VERSION_1_01)
1473 		pool->base.clk_src_count = DCN101_CLK_SRC_TOTAL;
1474 
1475 	pool->base.dp_clock_source =
1476 			dcn10_clock_source_create(ctx, ctx->dc_bios,
1477 				CLOCK_SOURCE_ID_DP_DTO,
1478 				/* todo: not reuse phy_pll registers */
1479 				&clk_src_regs[0], true);
1480 
1481 	for (i = 0; i < pool->base.clk_src_count; i++) {
1482 		if (pool->base.clock_sources[i] == NULL) {
1483 			dm_error("DC: failed to create clock sources!\n");
1484 			BREAK_TO_DEBUGGER();
1485 			goto fail;
1486 		}
1487 	}
1488 
1489 	pool->base.dmcu = dcn10_dmcu_create(ctx,
1490 			&dmcu_regs,
1491 			&dmcu_shift,
1492 			&dmcu_mask);
1493 	if (pool->base.dmcu == NULL) {
1494 		dm_error("DC: failed to create dmcu!\n");
1495 		BREAK_TO_DEBUGGER();
1496 		goto fail;
1497 	}
1498 
1499 	pool->base.abm = dce_abm_create(ctx,
1500 			&abm_regs,
1501 			&abm_shift,
1502 			&abm_mask);
1503 	if (pool->base.abm == NULL) {
1504 		dm_error("DC: failed to create abm!\n");
1505 		BREAK_TO_DEBUGGER();
1506 		goto fail;
1507 	}
1508 
1509 	dml_init_instance(&dc->dml, &dcn1_0_soc, &dcn1_0_ip, DML_PROJECT_RAVEN1);
1510 	memcpy(dc->dcn_ip, &dcn10_ip_defaults, sizeof(dcn10_ip_defaults));
1511 	memcpy(dc->dcn_soc, &dcn10_soc_defaults, sizeof(dcn10_soc_defaults));
1512 
1513 	/* Other architectures we build for build this with soft-float */
1514 	dcn10_resource_construct_fp(dc);
1515 
1516 	if (!dc->config.is_vmin_only_asic)
1517 		if (ASICREV_IS_RAVEN2(dc->ctx->asic_id.hw_internal_rev))
1518 			switch (dc->ctx->asic_id.pci_revision_id) {
1519 			case PRID_DALI_DE:
1520 			case PRID_DALI_DF:
1521 			case PRID_DALI_E3:
1522 			case PRID_DALI_E4:
1523 			case PRID_POLLOCK_94:
1524 			case PRID_POLLOCK_95:
1525 			case PRID_POLLOCK_E9:
1526 			case PRID_POLLOCK_EA:
1527 			case PRID_POLLOCK_EB:
1528 				dc->config.is_vmin_only_asic = true;
1529 				break;
1530 			default:
1531 				break;
1532 			}
1533 
1534 	pool->base.pp_smu = dcn10_pp_smu_create(ctx);
1535 
1536 	/*
1537 	 * Right now SMU/PPLIB and DAL all have the AZ D3 force PME notification *
1538 	 * implemented. So AZ D3 should work.For issue 197007.                   *
1539 	 */
1540 	if (pool->base.pp_smu != NULL
1541 			&& pool->base.pp_smu->rv_funcs.set_pme_wa_enable != NULL)
1542 		dc->debug.az_endpoint_mute_only = false;
1543 
1544 
1545 	if (!dc->debug.disable_pplib_clock_request) {
1546 		/*
1547 		 * TODO: This is not the proper way to obtain
1548 		 * fabric_and_dram_bandwidth, should be min(fclk, memclk).
1549 		 */
1550 		res = dm_pp_get_clock_levels_by_type_with_voltage(
1551 				ctx, DM_PP_CLOCK_TYPE_FCLK, &fclks);
1552 
1553 		DC_FP_START();
1554 
1555 		if (res)
1556 			res = verify_clock_values(&fclks);
1557 
1558 		if (res)
1559 			dcn_bw_update_from_pplib_fclks(dc, &fclks);
1560 		else
1561 			BREAK_TO_DEBUGGER();
1562 
1563 		DC_FP_END();
1564 
1565 		res = dm_pp_get_clock_levels_by_type_with_voltage(
1566 			ctx, DM_PP_CLOCK_TYPE_DCFCLK, &dcfclks);
1567 
1568 		DC_FP_START();
1569 
1570 		if (res)
1571 			res = verify_clock_values(&dcfclks);
1572 
1573 		if (res)
1574 			dcn_bw_update_from_pplib_dcfclks(dc, &dcfclks);
1575 		else
1576 			BREAK_TO_DEBUGGER();
1577 
1578 		DC_FP_END();
1579 	}
1580 
1581 	dcn_bw_sync_calcs_and_dml(dc);
1582 	if (!dc->debug.disable_pplib_wm_range) {
1583 		dc->res_pool = &pool->base;
1584 		DC_FP_START();
1585 		dcn_get_soc_clks(
1586 			dc, &min_fclk_khz, &min_dcfclk_khz, &socclk_khz);
1587 		DC_FP_END();
1588 		dcn_bw_notify_pplib_of_wm_ranges(
1589 			dc, min_fclk_khz, min_dcfclk_khz, socclk_khz);
1590 	}
1591 
1592 	{
1593 		struct irq_service_init_data init_data;
1594 		init_data.ctx = dc->ctx;
1595 		pool->base.irqs = dal_irq_service_dcn10_create(&init_data);
1596 		if (!pool->base.irqs)
1597 			goto fail;
1598 	}
1599 
1600 	/* index to valid pipe resource  */
1601 	j = 0;
1602 	/* mem input -> ipp -> dpp -> opp -> TG */
1603 	for (i = 0; i < pool->base.pipe_count; i++) {
1604 		/* if pipe is disabled, skip instance of HW pipe,
1605 		 * i.e, skip ASIC register instance
1606 		 */
1607 		if ((pipe_fuses & (1 << i)) != 0)
1608 			continue;
1609 
1610 		pool->base.hubps[j] = dcn10_hubp_create(ctx, i);
1611 		if (pool->base.hubps[j] == NULL) {
1612 			BREAK_TO_DEBUGGER();
1613 			dm_error(
1614 				"DC: failed to create memory input!\n");
1615 			goto fail;
1616 		}
1617 
1618 		pool->base.ipps[j] = dcn10_ipp_create(ctx, i);
1619 		if (pool->base.ipps[j] == NULL) {
1620 			BREAK_TO_DEBUGGER();
1621 			dm_error(
1622 				"DC: failed to create input pixel processor!\n");
1623 			goto fail;
1624 		}
1625 
1626 		pool->base.dpps[j] = dcn10_dpp_create(ctx, i);
1627 		if (pool->base.dpps[j] == NULL) {
1628 			BREAK_TO_DEBUGGER();
1629 			dm_error(
1630 				"DC: failed to create dpp!\n");
1631 			goto fail;
1632 		}
1633 
1634 		pool->base.opps[j] = dcn10_opp_create(ctx, i);
1635 		if (pool->base.opps[j] == NULL) {
1636 			BREAK_TO_DEBUGGER();
1637 			dm_error(
1638 				"DC: failed to create output pixel processor!\n");
1639 			goto fail;
1640 		}
1641 
1642 		pool->base.timing_generators[j] = dcn10_timing_generator_create(
1643 				ctx, i);
1644 		if (pool->base.timing_generators[j] == NULL) {
1645 			BREAK_TO_DEBUGGER();
1646 			dm_error("DC: failed to create tg!\n");
1647 			goto fail;
1648 		}
1649 		/* check next valid pipe */
1650 		j++;
1651 	}
1652 
1653 	for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
1654 		pool->base.engines[i] = dcn10_aux_engine_create(ctx, i);
1655 		if (pool->base.engines[i] == NULL) {
1656 			BREAK_TO_DEBUGGER();
1657 			dm_error(
1658 				"DC:failed to create aux engine!!\n");
1659 			goto fail;
1660 		}
1661 		pool->base.hw_i2cs[i] = dcn10_i2c_hw_create(ctx, i);
1662 		if (pool->base.hw_i2cs[i] == NULL) {
1663 			BREAK_TO_DEBUGGER();
1664 			dm_error(
1665 				"DC:failed to create hw i2c!!\n");
1666 			goto fail;
1667 		}
1668 		pool->base.sw_i2cs[i] = NULL;
1669 	}
1670 
1671 	/* valid pipe num */
1672 	pool->base.pipe_count = j;
1673 	pool->base.timing_generator_count = j;
1674 
1675 	/* within dml lib, it is hard code to 4. If ASIC pipe is fused,
1676 	 * the value may be changed
1677 	 */
1678 	dc->dml.ip.max_num_dpp = pool->base.pipe_count;
1679 	dc->dcn_ip->max_num_dpp = pool->base.pipe_count;
1680 
1681 	pool->base.mpc = dcn10_mpc_create(ctx);
1682 	if (pool->base.mpc == NULL) {
1683 		BREAK_TO_DEBUGGER();
1684 		dm_error("DC: failed to create mpc!\n");
1685 		goto fail;
1686 	}
1687 
1688 	pool->base.hubbub = dcn10_hubbub_create(ctx);
1689 	if (pool->base.hubbub == NULL) {
1690 		BREAK_TO_DEBUGGER();
1691 		dm_error("DC: failed to create hubbub!\n");
1692 		goto fail;
1693 	}
1694 
1695 	if (!resource_construct(num_virtual_links, dc, &pool->base,
1696 			(!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) ?
1697 			&res_create_funcs : &res_create_maximus_funcs)))
1698 			goto fail;
1699 
1700 	dcn10_hw_sequencer_construct(dc);
1701 	dc->caps.max_planes =  pool->base.pipe_count;
1702 
1703 	for (i = 0; i < dc->caps.max_planes; ++i)
1704 		dc->caps.planes[i] = plane_cap;
1705 
1706 	dc->cap_funcs = cap_funcs;
1707 
1708 	return true;
1709 
1710 fail:
1711 
1712 	dcn10_resource_destruct(pool);
1713 
1714 	return false;
1715 }
1716 
dcn10_create_resource_pool(const struct dc_init_data * init_data,struct dc * dc)1717 struct resource_pool *dcn10_create_resource_pool(
1718 		const struct dc_init_data *init_data,
1719 		struct dc *dc)
1720 {
1721 	struct dcn10_resource_pool *pool =
1722 		kzalloc(sizeof(struct dcn10_resource_pool), GFP_KERNEL);
1723 
1724 	if (!pool)
1725 		return NULL;
1726 
1727 	if (dcn10_resource_construct(init_data->num_virtual_links, dc, pool))
1728 		return &pool->base;
1729 
1730 	kfree(pool);
1731 	BREAK_TO_DEBUGGER();
1732 	return NULL;
1733 }
1734