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
27 #include "dm_services.h"
28 #include "dm_helpers.h"
29 #include "core_types.h"
30 #include "resource.h"
31 #include "dccg.h"
32 #include "dce/dce_hwseq.h"
33 #include "clk_mgr.h"
34 #include "reg_helper.h"
35 #include "abm.h"
36 #include "hubp.h"
37 #include "dchubbub.h"
38 #include "timing_generator.h"
39 #include "opp.h"
40 #include "ipp.h"
41 #include "mpc.h"
42 #include "mcif_wb.h"
43 #include "dc_dmub_srv.h"
44 #include "dcn31_hwseq.h"
45 #include "link_hwss.h"
46 #include "dpcd_defs.h"
47 #include "dce/dmub_outbox.h"
48 #include "dc_link_dp.h"
49 #include "inc/link_dpcd.h"
50 #include "dcn10/dcn10_hw_sequencer.h"
51 #include "inc/link_enc_cfg.h"
52 #include "dcn30/dcn30_vpg.h"
53 #include "dce/dce_i2c_hw.h"
54
55 #define DC_LOGGER_INIT(logger)
56
57 #define CTX \
58 hws->ctx
59 #define REG(reg)\
60 hws->regs->reg
61 #define DC_LOGGER \
62 dc->ctx->logger
63
64
65 #undef FN
66 #define FN(reg_name, field_name) \
67 hws->shifts->field_name, hws->masks->field_name
68
enable_memory_low_power(struct dc * dc)69 static void enable_memory_low_power(struct dc *dc)
70 {
71 struct dce_hwseq *hws = dc->hwseq;
72 int i;
73
74 if (dc->debug.enable_mem_low_power.bits.dmcu) {
75 // Force ERAM to shutdown if DMCU is not enabled
76 if (dc->debug.disable_dmcu || dc->config.disable_dmcu) {
77 REG_UPDATE(DMU_MEM_PWR_CNTL, DMCU_ERAM_MEM_PWR_FORCE, 3);
78 }
79 }
80
81 // Set default OPTC memory power states
82 if (dc->debug.enable_mem_low_power.bits.optc) {
83 // Shutdown when unassigned and light sleep in VBLANK
84 REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1);
85 }
86
87 if (dc->debug.enable_mem_low_power.bits.vga) {
88 // Power down VGA memory
89 REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1);
90 }
91
92 if (dc->debug.enable_mem_low_power.bits.mpc)
93 dc->res_pool->mpc->funcs->set_mpc_mem_lp_mode(dc->res_pool->mpc);
94
95
96 if (dc->debug.enable_mem_low_power.bits.vpg && dc->res_pool->stream_enc[0]->vpg->funcs->vpg_powerdown) {
97 // Power down VPGs
98 for (i = 0; i < dc->res_pool->stream_enc_count; i++)
99 dc->res_pool->stream_enc[i]->vpg->funcs->vpg_powerdown(dc->res_pool->stream_enc[i]->vpg);
100 #if defined(CONFIG_DRM_AMD_DC_DCN)
101 for (i = 0; i < dc->res_pool->hpo_dp_stream_enc_count; i++)
102 dc->res_pool->hpo_dp_stream_enc[i]->vpg->funcs->vpg_powerdown(dc->res_pool->hpo_dp_stream_enc[i]->vpg);
103 #endif
104 }
105
106 }
107
dcn31_init_hw(struct dc * dc)108 void dcn31_init_hw(struct dc *dc)
109 {
110 struct abm **abms = dc->res_pool->multiple_abms;
111 struct dce_hwseq *hws = dc->hwseq;
112 struct dc_bios *dcb = dc->ctx->dc_bios;
113 struct resource_pool *res_pool = dc->res_pool;
114 uint32_t backlight = MAX_BACKLIGHT_LEVEL;
115 int i;
116
117 if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
118 dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
119
120 if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
121
122 REG_WRITE(REFCLK_CNTL, 0);
123 REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
124 REG_WRITE(DIO_MEM_PWR_CTRL, 0);
125
126 if (!dc->debug.disable_clock_gate) {
127 /* enable all DCN clock gating */
128 REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
129
130 REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
131
132 REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
133 }
134
135 //Enable ability to power gate / don't force power on permanently
136 if (hws->funcs.enable_power_gating_plane)
137 hws->funcs.enable_power_gating_plane(hws, true);
138
139 return;
140 }
141
142 if (!dcb->funcs->is_accelerated_mode(dcb)) {
143 hws->funcs.bios_golden_init(dc);
144 hws->funcs.disable_vga(dc->hwseq);
145 }
146 // Initialize the dccg
147 if (res_pool->dccg->funcs->dccg_init)
148 res_pool->dccg->funcs->dccg_init(res_pool->dccg);
149
150 enable_memory_low_power(dc);
151
152 if (dc->ctx->dc_bios->fw_info_valid) {
153 res_pool->ref_clocks.xtalin_clock_inKhz =
154 dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
155
156 if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
157 if (res_pool->dccg && res_pool->hubbub) {
158
159 (res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
160 dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
161 &res_pool->ref_clocks.dccg_ref_clock_inKhz);
162
163 (res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
164 res_pool->ref_clocks.dccg_ref_clock_inKhz,
165 &res_pool->ref_clocks.dchub_ref_clock_inKhz);
166 } else {
167 // Not all ASICs have DCCG sw component
168 res_pool->ref_clocks.dccg_ref_clock_inKhz =
169 res_pool->ref_clocks.xtalin_clock_inKhz;
170 res_pool->ref_clocks.dchub_ref_clock_inKhz =
171 res_pool->ref_clocks.xtalin_clock_inKhz;
172 }
173 }
174 } else
175 ASSERT_CRITICAL(false);
176
177 for (i = 0; i < dc->link_count; i++) {
178 /* Power up AND update implementation according to the
179 * required signal (which may be different from the
180 * default signal on connector).
181 */
182 struct dc_link *link = dc->links[i];
183
184 if (link->ep_type != DISPLAY_ENDPOINT_PHY)
185 continue;
186
187 link->link_enc->funcs->hw_init(link->link_enc);
188
189 /* Check for enabled DIG to identify enabled display */
190 if (link->link_enc->funcs->is_dig_enabled &&
191 link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
192 link->link_status.link_active = true;
193 if (link->link_enc->funcs->fec_is_active &&
194 link->link_enc->funcs->fec_is_active(link->link_enc))
195 link->fec_state = dc_link_fec_enabled;
196 }
197 }
198
199 /* Enables outbox notifications for usb4 dpia */
200 if (dc->res_pool->usb4_dpia_count)
201 dmub_enable_outbox_notification(dc->ctx->dmub_srv);
202
203 /* we want to turn off all dp displays before doing detection */
204 dc_link_blank_all_dp_displays(dc);
205
206 if (hws->funcs.enable_power_gating_plane)
207 hws->funcs.enable_power_gating_plane(dc->hwseq, true);
208
209 /* If taking control over from VBIOS, we may want to optimize our first
210 * mode set, so we need to skip powering down pipes until we know which
211 * pipes we want to use.
212 * Otherwise, if taking control is not possible, we need to power
213 * everything down.
214 */
215 if (dcb->funcs->is_accelerated_mode(dcb) || !dc->config.seamless_boot_edp_requested) {
216 hws->funcs.init_pipes(dc, dc->current_state);
217 if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
218 dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
219 !dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
220 }
221
222 for (i = 0; i < res_pool->audio_count; i++) {
223 struct audio *audio = res_pool->audios[i];
224
225 audio->funcs->hw_init(audio);
226 }
227
228 for (i = 0; i < dc->link_count; i++) {
229 struct dc_link *link = dc->links[i];
230
231 if (link->panel_cntl)
232 backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
233 }
234
235 for (i = 0; i < dc->res_pool->pipe_count; i++) {
236 if (abms[i] != NULL)
237 abms[i]->funcs->abm_init(abms[i], backlight);
238 }
239
240 /* power AFMT HDMI memory TODO: may move to dis/en output save power*/
241 REG_WRITE(DIO_MEM_PWR_CTRL, 0);
242
243 // Set i2c to light sleep until engine is setup
244 if (dc->debug.enable_mem_low_power.bits.i2c)
245 REG_UPDATE(DIO_MEM_PWR_CTRL, I2C_LIGHT_SLEEP_FORCE, 1);
246
247 if (hws->funcs.setup_hpo_hw_control)
248 hws->funcs.setup_hpo_hw_control(hws, false);
249
250 if (!dc->debug.disable_clock_gate) {
251 /* enable all DCN clock gating */
252 REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
253
254 REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
255
256 REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
257 }
258
259 if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
260 dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
261
262 if (dc->clk_mgr->funcs->notify_wm_ranges)
263 dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
264
265 if (dc->clk_mgr->funcs->set_hard_max_memclk)
266 dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
267
268 if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
269 dc->res_pool->hubbub->funcs->force_pstate_change_control(
270 dc->res_pool->hubbub, false, false);
271 #if defined(CONFIG_DRM_AMD_DC_DCN)
272 if (dc->res_pool->hubbub->funcs->init_crb)
273 dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
274 #endif
275 }
276
dcn31_dsc_pg_control(struct dce_hwseq * hws,unsigned int dsc_inst,bool power_on)277 void dcn31_dsc_pg_control(
278 struct dce_hwseq *hws,
279 unsigned int dsc_inst,
280 bool power_on)
281 {
282 uint32_t power_gate = power_on ? 0 : 1;
283 uint32_t pwr_status = power_on ? 0 : 2;
284 uint32_t org_ip_request_cntl = 0;
285
286 if (hws->ctx->dc->debug.disable_dsc_power_gate)
287 return;
288
289 if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc &&
290 hws->ctx->dc->res_pool->dccg->funcs->enable_dsc &&
291 power_on)
292 hws->ctx->dc->res_pool->dccg->funcs->enable_dsc(
293 hws->ctx->dc->res_pool->dccg, dsc_inst);
294
295 REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
296 if (org_ip_request_cntl == 0)
297 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
298
299 switch (dsc_inst) {
300 case 0: /* DSC0 */
301 REG_UPDATE(DOMAIN16_PG_CONFIG,
302 DOMAIN_POWER_GATE, power_gate);
303
304 REG_WAIT(DOMAIN16_PG_STATUS,
305 DOMAIN_PGFSM_PWR_STATUS, pwr_status,
306 1, 1000);
307 break;
308 case 1: /* DSC1 */
309 REG_UPDATE(DOMAIN17_PG_CONFIG,
310 DOMAIN_POWER_GATE, power_gate);
311
312 REG_WAIT(DOMAIN17_PG_STATUS,
313 DOMAIN_PGFSM_PWR_STATUS, pwr_status,
314 1, 1000);
315 break;
316 case 2: /* DSC2 */
317 REG_UPDATE(DOMAIN18_PG_CONFIG,
318 DOMAIN_POWER_GATE, power_gate);
319
320 REG_WAIT(DOMAIN18_PG_STATUS,
321 DOMAIN_PGFSM_PWR_STATUS, pwr_status,
322 1, 1000);
323 break;
324 default:
325 BREAK_TO_DEBUGGER();
326 break;
327 }
328
329 if (org_ip_request_cntl == 0)
330 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
331
332 if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc) {
333 if (hws->ctx->dc->res_pool->dccg->funcs->disable_dsc && !power_on)
334 hws->ctx->dc->res_pool->dccg->funcs->disable_dsc(
335 hws->ctx->dc->res_pool->dccg, dsc_inst);
336 }
337
338 }
339
340
dcn31_enable_power_gating_plane(struct dce_hwseq * hws,bool enable)341 void dcn31_enable_power_gating_plane(
342 struct dce_hwseq *hws,
343 bool enable)
344 {
345 bool force_on = true; /* disable power gating */
346 uint32_t org_ip_request_cntl = 0;
347
348 if (enable && !hws->ctx->dc->debug.disable_hubp_power_gate)
349 force_on = false;
350
351 REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
352 if (org_ip_request_cntl == 0)
353 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
354 /* DCHUBP0/1/2/3/4/5 */
355 REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
356 REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
357 /* DPP0/1/2/3/4/5 */
358 REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
359 REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
360
361 force_on = true; /* disable power gating */
362 if (enable && !hws->ctx->dc->debug.disable_dsc_power_gate)
363 force_on = false;
364
365 /* DCS0/1/2/3/4/5 */
366 REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
367 REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
368 REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
369
370 if (org_ip_request_cntl == 0)
371 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
372 }
373
dcn31_update_info_frame(struct pipe_ctx * pipe_ctx)374 void dcn31_update_info_frame(struct pipe_ctx *pipe_ctx)
375 {
376 bool is_hdmi_tmds;
377 bool is_dp;
378
379 ASSERT(pipe_ctx->stream);
380
381 if (pipe_ctx->stream_res.stream_enc == NULL)
382 return; /* this is not root pipe */
383
384 is_hdmi_tmds = dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal);
385 is_dp = dc_is_dp_signal(pipe_ctx->stream->signal);
386
387 if (!is_hdmi_tmds && !is_dp)
388 return;
389
390 if (is_hdmi_tmds)
391 pipe_ctx->stream_res.stream_enc->funcs->update_hdmi_info_packets(
392 pipe_ctx->stream_res.stream_enc,
393 &pipe_ctx->stream_res.encoder_info_frame);
394 else {
395 pipe_ctx->stream_res.stream_enc->funcs->update_dp_info_packets(
396 pipe_ctx->stream_res.stream_enc,
397 &pipe_ctx->stream_res.encoder_info_frame);
398 }
399 }
dcn31_z10_save_init(struct dc * dc)400 void dcn31_z10_save_init(struct dc *dc)
401 {
402 union dmub_rb_cmd cmd;
403
404 memset(&cmd, 0, sizeof(cmd));
405 cmd.dcn_restore.header.type = DMUB_CMD__IDLE_OPT;
406 cmd.dcn_restore.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT;
407
408 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
409 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
410 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
411 }
412
dcn31_z10_restore(const struct dc * dc)413 void dcn31_z10_restore(const struct dc *dc)
414 {
415 union dmub_rb_cmd cmd;
416
417 /*
418 * DMUB notifies whether restore is required.
419 * Optimization to avoid sending commands when not required.
420 */
421 if (!dc_dmub_srv_is_restore_required(dc->ctx->dmub_srv))
422 return;
423
424 memset(&cmd, 0, sizeof(cmd));
425 cmd.dcn_restore.header.type = DMUB_CMD__IDLE_OPT;
426 cmd.dcn_restore.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_RESTORE;
427
428 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
429 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
430 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
431 }
432
dcn31_hubp_pg_control(struct dce_hwseq * hws,unsigned int hubp_inst,bool power_on)433 void dcn31_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on)
434 {
435 uint32_t power_gate = power_on ? 0 : 1;
436 uint32_t pwr_status = power_on ? 0 : 2;
437 uint32_t org_ip_request_cntl;
438 if (hws->ctx->dc->debug.disable_hubp_power_gate)
439 return;
440
441 if (REG(DOMAIN0_PG_CONFIG) == 0)
442 return;
443 REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
444 if (org_ip_request_cntl == 0)
445 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
446
447 switch (hubp_inst) {
448 case 0:
449 REG_SET(DOMAIN0_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
450 REG_WAIT(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
451 break;
452 case 1:
453 REG_SET(DOMAIN1_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
454 REG_WAIT(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
455 break;
456 case 2:
457 REG_SET(DOMAIN2_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
458 REG_WAIT(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
459 break;
460 case 3:
461 REG_SET(DOMAIN3_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
462 REG_WAIT(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
463 break;
464 default:
465 BREAK_TO_DEBUGGER();
466 break;
467 }
468 if (org_ip_request_cntl == 0)
469 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
470 }
471
dcn31_init_sys_ctx(struct dce_hwseq * hws,struct dc * dc,struct dc_phy_addr_space_config * pa_config)472 int dcn31_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
473 {
474 struct dcn_hubbub_phys_addr_config config;
475
476 config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
477 config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
478 config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
479 config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
480 config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
481 config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
482 config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
483 config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
484
485 if (pa_config->gart_config.base_addr_is_mc_addr) {
486 /* Convert from MC address to offset into FB */
487 config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr -
488 pa_config->system_aperture.fb_base +
489 pa_config->system_aperture.fb_offset;
490 } else
491 config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
492
493 return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
494 }
495
dcn31_reset_back_end_for_pipe(struct dc * dc,struct pipe_ctx * pipe_ctx,struct dc_state * context)496 static void dcn31_reset_back_end_for_pipe(
497 struct dc *dc,
498 struct pipe_ctx *pipe_ctx,
499 struct dc_state *context)
500 {
501 struct dc_link *link;
502
503 DC_LOGGER_INIT(dc->ctx->logger);
504 if (pipe_ctx->stream_res.stream_enc == NULL) {
505 pipe_ctx->stream = NULL;
506 return;
507 }
508 ASSERT(!pipe_ctx->top_pipe);
509
510 dc->hwss.set_abm_immediate_disable(pipe_ctx);
511
512 pipe_ctx->stream_res.tg->funcs->set_dsc_config(
513 pipe_ctx->stream_res.tg,
514 OPTC_DSC_DISABLED, 0, 0);
515 pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
516
517 pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
518 if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
519 pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
520 pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
521
522 if (pipe_ctx->stream_res.tg->funcs->set_drr)
523 pipe_ctx->stream_res.tg->funcs->set_drr(
524 pipe_ctx->stream_res.tg, NULL);
525
526 if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
527 link = pipe_ctx->stream->link;
528 /* DPMS may already disable or */
529 /* dpms_off status is incorrect due to fastboot
530 * feature. When system resume from S4 with second
531 * screen only, the dpms_off would be true but
532 * VBIOS lit up eDP, so check link status too.
533 */
534 if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
535 core_link_disable_stream(pipe_ctx);
536 else if (pipe_ctx->stream_res.audio)
537 dc->hwss.disable_audio_stream(pipe_ctx);
538
539 /* free acquired resources */
540 if (pipe_ctx->stream_res.audio) {
541 /*disable az_endpoint*/
542 pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
543
544 /*free audio*/
545 if (dc->caps.dynamic_audio == true) {
546 /*we have to dynamic arbitrate the audio endpoints*/
547 /*we free the resource, need reset is_audio_acquired*/
548 update_audio_usage(&dc->current_state->res_ctx, dc->res_pool,
549 pipe_ctx->stream_res.audio, false);
550 pipe_ctx->stream_res.audio = NULL;
551 }
552 }
553 } else if (pipe_ctx->stream_res.dsc) {
554 dp_set_dsc_enable(pipe_ctx, false);
555 }
556
557 pipe_ctx->stream = NULL;
558 DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n",
559 pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst);
560 }
561
dcn31_reset_hw_ctx_wrap(struct dc * dc,struct dc_state * context)562 void dcn31_reset_hw_ctx_wrap(
563 struct dc *dc,
564 struct dc_state *context)
565 {
566 int i;
567 struct dce_hwseq *hws = dc->hwseq;
568
569 /* Reset Back End*/
570 for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) {
571 struct pipe_ctx *pipe_ctx_old =
572 &dc->current_state->res_ctx.pipe_ctx[i];
573 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
574
575 if (!pipe_ctx_old->stream)
576 continue;
577
578 if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe)
579 continue;
580
581 if (!pipe_ctx->stream ||
582 pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
583 struct clock_source *old_clk = pipe_ctx_old->clock_source;
584
585 dcn31_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state);
586 if (hws->funcs.enable_stream_gating)
587 hws->funcs.enable_stream_gating(dc, pipe_ctx_old);
588 if (old_clk)
589 old_clk->funcs->cs_power_down(old_clk);
590 }
591 }
592
593 /* New dc_state in the process of being applied to hardware. */
594 dc->current_state->res_ctx.link_enc_cfg_ctx.mode = LINK_ENC_CFG_TRANSIENT;
595 }
596
dcn31_setup_hpo_hw_control(const struct dce_hwseq * hws,bool enable)597 void dcn31_setup_hpo_hw_control(const struct dce_hwseq *hws, bool enable)
598 {
599 if (hws->ctx->dc->debug.hpo_optimization)
600 REG_UPDATE(HPO_TOP_HW_CONTROL, HPO_IO_EN, !!enable);
601 }
602