Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa...
[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / display / dc / dcn31 / dcn31_hwseq.c
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
52 #define DC_LOGGER_INIT(logger)
53
54 #define CTX \
55         hws->ctx
56 #define REG(reg)\
57         hws->regs->reg
58 #define DC_LOGGER \
59                 dc->ctx->logger
60
61
62 #undef FN
63 #define FN(reg_name, field_name) \
64         hws->shifts->field_name, hws->masks->field_name
65
66 void dcn31_init_hw(struct dc *dc)
67 {
68         struct abm **abms = dc->res_pool->multiple_abms;
69         struct dce_hwseq *hws = dc->hwseq;
70         struct dc_bios *dcb = dc->ctx->dc_bios;
71         struct resource_pool *res_pool = dc->res_pool;
72         uint32_t backlight = MAX_BACKLIGHT_LEVEL;
73         int i, j;
74         int edp_num;
75
76         if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
77                 dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
78
79         // Initialize the dccg
80         if (res_pool->dccg->funcs->dccg_init)
81                 res_pool->dccg->funcs->dccg_init(res_pool->dccg);
82
83         if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
84
85                 REG_WRITE(REFCLK_CNTL, 0);
86                 REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
87                 REG_WRITE(DIO_MEM_PWR_CTRL, 0);
88
89                 if (!dc->debug.disable_clock_gate) {
90                         /* enable all DCN clock gating */
91                         REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
92
93                         REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
94
95                         REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
96                 }
97
98                 //Enable ability to power gate / don't force power on permanently
99                 if (hws->funcs.enable_power_gating_plane)
100                         hws->funcs.enable_power_gating_plane(hws, true);
101
102                 return;
103         }
104
105         if (!dcb->funcs->is_accelerated_mode(dcb)) {
106                 hws->funcs.bios_golden_init(dc);
107                 hws->funcs.disable_vga(dc->hwseq);
108         }
109
110         if (dc->debug.enable_mem_low_power.bits.dmcu) {
111                 // Force ERAM to shutdown if DMCU is not enabled
112                 if (dc->debug.disable_dmcu || dc->config.disable_dmcu) {
113                         REG_UPDATE(DMU_MEM_PWR_CNTL, DMCU_ERAM_MEM_PWR_FORCE, 3);
114                 }
115         }
116
117         // Set default OPTC memory power states
118         if (dc->debug.enable_mem_low_power.bits.optc) {
119                 // Shutdown when unassigned and light sleep in VBLANK
120                 REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1);
121         }
122
123         if (dc->debug.enable_mem_low_power.bits.vga) {
124                 // Power down VGA memory
125                 REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1);
126         }
127
128         if (dc->ctx->dc_bios->fw_info_valid) {
129                 res_pool->ref_clocks.xtalin_clock_inKhz =
130                                 dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
131
132                 if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
133                         if (res_pool->dccg && res_pool->hubbub) {
134
135                                 (res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
136                                                 dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
137                                                 &res_pool->ref_clocks.dccg_ref_clock_inKhz);
138
139                                 (res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
140                                                 res_pool->ref_clocks.dccg_ref_clock_inKhz,
141                                                 &res_pool->ref_clocks.dchub_ref_clock_inKhz);
142                         } else {
143                                 // Not all ASICs have DCCG sw component
144                                 res_pool->ref_clocks.dccg_ref_clock_inKhz =
145                                                 res_pool->ref_clocks.xtalin_clock_inKhz;
146                                 res_pool->ref_clocks.dchub_ref_clock_inKhz =
147                                                 res_pool->ref_clocks.xtalin_clock_inKhz;
148                         }
149                 }
150         } else
151                 ASSERT_CRITICAL(false);
152
153         for (i = 0; i < dc->link_count; i++) {
154                 /* Power up AND update implementation according to the
155                  * required signal (which may be different from the
156                  * default signal on connector).
157                  */
158                 struct dc_link *link = dc->links[i];
159
160                 link->link_enc->funcs->hw_init(link->link_enc);
161
162                 /* Check for enabled DIG to identify enabled display */
163                 if (link->link_enc->funcs->is_dig_enabled &&
164                         link->link_enc->funcs->is_dig_enabled(link->link_enc))
165                         link->link_status.link_active = true;
166         }
167
168         /* Power gate DSCs */
169         for (i = 0; i < res_pool->res_cap->num_dsc; i++)
170                 if (hws->funcs.dsc_pg_control != NULL)
171                         hws->funcs.dsc_pg_control(hws, res_pool->dscs[i]->inst, false);
172
173         /* we want to turn off all dp displays before doing detection */
174         if (dc->config.power_down_display_on_boot) {
175                 uint8_t dpcd_power_state = '\0';
176                 enum dc_status status = DC_ERROR_UNEXPECTED;
177
178                 for (i = 0; i < dc->link_count; i++) {
179                         if (dc->links[i]->connector_signal != SIGNAL_TYPE_DISPLAY_PORT)
180                                 continue;
181
182                         /* if any of the displays are lit up turn them off */
183                         status = core_link_read_dpcd(dc->links[i], DP_SET_POWER,
184                                                      &dpcd_power_state, sizeof(dpcd_power_state));
185                         if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0) {
186                                 /* blank dp stream before power off receiver*/
187                                 if (dc->links[i]->link_enc->funcs->get_dig_frontend) {
188                                         unsigned int fe;
189
190                                         fe = dc->links[i]->link_enc->funcs->get_dig_frontend(
191                                                                                 dc->links[i]->link_enc);
192                                         if (fe == ENGINE_ID_UNKNOWN)
193                                                 continue;
194
195                                         for (j = 0; j < dc->res_pool->stream_enc_count; j++) {
196                                                 if (fe == dc->res_pool->stream_enc[j]->id) {
197                                                         dc->res_pool->stream_enc[j]->funcs->dp_blank(
198                                                                                 dc->res_pool->stream_enc[j]);
199                                                         break;
200                                                 }
201                                         }
202                                 }
203                                 dp_receiver_power_ctrl(dc->links[i], false);
204                         }
205                 }
206         }
207
208         /* If taking control over from VBIOS, we may want to optimize our first
209          * mode set, so we need to skip powering down pipes until we know which
210          * pipes we want to use.
211          * Otherwise, if taking control is not possible, we need to power
212          * everything down.
213          */
214         if (dcb->funcs->is_accelerated_mode(dcb) || dc->config.power_down_display_on_boot) {
215                 hws->funcs.init_pipes(dc, dc->current_state);
216                 if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
217                         dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
218                                         !dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
219         }
220
221         /* In headless boot cases, DIG may be turned
222          * on which causes HW/SW discrepancies.
223          * To avoid this, power down hardware on boot
224          * if DIG is turned on and seamless boot not enabled
225          */
226         if (dc->config.power_down_display_on_boot) {
227                 struct dc_link *edp_links[MAX_NUM_EDP];
228                 struct dc_link *edp_link;
229
230                 get_edp_links(dc, edp_links, &edp_num);
231                 if (edp_num) {
232                         for (i = 0; i < edp_num; i++) {
233                                 edp_link = edp_links[i];
234                                 if (edp_link->link_enc->funcs->is_dig_enabled &&
235                                                 edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) &&
236                                                 dc->hwss.edp_backlight_control &&
237                                                 dc->hwss.power_down &&
238                                                 dc->hwss.edp_power_control) {
239                                         dc->hwss.edp_backlight_control(edp_link, false);
240                                         dc->hwss.power_down(dc);
241                                         dc->hwss.edp_power_control(edp_link, false);
242                                 }
243                         }
244                 } else {
245                         for (i = 0; i < dc->link_count; i++) {
246                                 struct dc_link *link = dc->links[i];
247
248                                 if (link->link_enc->funcs->is_dig_enabled &&
249                                                 link->link_enc->funcs->is_dig_enabled(link->link_enc) &&
250                                                 dc->hwss.power_down) {
251                                         dc->hwss.power_down(dc);
252                                         break;
253                                 }
254
255                         }
256                 }
257         }
258
259         for (i = 0; i < res_pool->audio_count; i++) {
260                 struct audio *audio = res_pool->audios[i];
261
262                 audio->funcs->hw_init(audio);
263         }
264
265         for (i = 0; i < dc->link_count; i++) {
266                 struct dc_link *link = dc->links[i];
267
268                 if (link->panel_cntl)
269                         backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
270         }
271
272         for (i = 0; i < dc->res_pool->pipe_count; i++) {
273                 if (abms[i] != NULL)
274                         abms[i]->funcs->abm_init(abms[i], backlight);
275         }
276
277         /* power AFMT HDMI memory TODO: may move to dis/en output save power*/
278         REG_WRITE(DIO_MEM_PWR_CTRL, 0);
279
280         if (!dc->debug.disable_clock_gate) {
281                 /* enable all DCN clock gating */
282                 REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
283
284                 REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
285
286                 REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
287         }
288         if (hws->funcs.enable_power_gating_plane)
289                 hws->funcs.enable_power_gating_plane(dc->hwseq, true);
290
291         if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
292                 dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
293
294         if (dc->clk_mgr->funcs->notify_wm_ranges)
295                 dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
296
297         if (dc->clk_mgr->funcs->set_hard_max_memclk)
298                 dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
299
300         if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
301                 dc->res_pool->hubbub->funcs->force_pstate_change_control(
302                                 dc->res_pool->hubbub, false, false);
303         if (dc->res_pool->hubbub->funcs->init_crb)
304                 dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
305 }
306
307 void dcn31_dsc_pg_control(
308                 struct dce_hwseq *hws,
309                 unsigned int dsc_inst,
310                 bool power_on)
311 {
312         uint32_t power_gate = power_on ? 0 : 1;
313         uint32_t pwr_status = power_on ? 0 : 2;
314         uint32_t org_ip_request_cntl = 0;
315
316         if (hws->ctx->dc->debug.disable_dsc_power_gate)
317                 return;
318
319         REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl);
320         if (org_ip_request_cntl == 0)
321                 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1);
322
323         switch (dsc_inst) {
324         case 0: /* DSC0 */
325                 REG_UPDATE(DOMAIN16_PG_CONFIG,
326                                 DOMAIN_POWER_GATE, power_gate);
327
328                 REG_WAIT(DOMAIN16_PG_STATUS,
329                                 DOMAIN_PGFSM_PWR_STATUS, pwr_status,
330                                 1, 1000);
331                 break;
332         case 1: /* DSC1 */
333                 REG_UPDATE(DOMAIN17_PG_CONFIG,
334                                 DOMAIN_POWER_GATE, power_gate);
335
336                 REG_WAIT(DOMAIN17_PG_STATUS,
337                                 DOMAIN_PGFSM_PWR_STATUS, pwr_status,
338                                 1, 1000);
339                 break;
340         case 2: /* DSC2 */
341                 REG_UPDATE(DOMAIN18_PG_CONFIG,
342                                 DOMAIN_POWER_GATE, power_gate);
343
344                 REG_WAIT(DOMAIN18_PG_STATUS,
345                                 DOMAIN_PGFSM_PWR_STATUS, pwr_status,
346                                 1, 1000);
347                 break;
348         default:
349                 BREAK_TO_DEBUGGER();
350                 break;
351         }
352
353         if (org_ip_request_cntl == 0)
354                 REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0);
355 }
356
357
358 void dcn31_enable_power_gating_plane(
359         struct dce_hwseq *hws,
360         bool enable)
361 {
362         bool force_on = true; /* disable power gating */
363
364         if (enable)
365                 force_on = false;
366
367         /* DCHUBP0/1/2/3/4/5 */
368         REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
369         REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
370
371         /* DPP0/1/2/3/4/5 */
372         REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
373         REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
374
375         /* DCS0/1/2/3/4/5 */
376         REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
377         REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
378         REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on);
379 }
380
381 void dcn31_update_info_frame(struct pipe_ctx *pipe_ctx)
382 {
383         bool is_hdmi_tmds;
384         bool is_dp;
385
386         ASSERT(pipe_ctx->stream);
387
388         if (pipe_ctx->stream_res.stream_enc == NULL)
389                 return;  /* this is not root pipe */
390
391         is_hdmi_tmds = dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal);
392         is_dp = dc_is_dp_signal(pipe_ctx->stream->signal);
393
394         if (!is_hdmi_tmds && !is_dp)
395                 return;
396
397         if (is_hdmi_tmds)
398                 pipe_ctx->stream_res.stream_enc->funcs->update_hdmi_info_packets(
399                         pipe_ctx->stream_res.stream_enc,
400                         &pipe_ctx->stream_res.encoder_info_frame);
401         else {
402                 pipe_ctx->stream_res.stream_enc->funcs->update_dp_info_packets(
403                         pipe_ctx->stream_res.stream_enc,
404                         &pipe_ctx->stream_res.encoder_info_frame);
405         }
406 }
407
408 void dcn31_z10_restore(struct dc *dc)
409 {
410         union dmub_rb_cmd cmd;
411
412         /*
413          * DMUB notifies whether restore is required.
414          * Optimization to avoid sending commands when not required.
415          */
416         if (!dc_dmub_srv_is_restore_required(dc->ctx->dmub_srv))
417                 return;
418
419         memset(&cmd, 0, sizeof(cmd));
420         cmd.dcn_restore.header.type = DMUB_CMD__IDLE_OPT;
421         cmd.dcn_restore.header.sub_type = DMUB_CMD__IDLE_OPT_DCN_RESTORE;
422
423         dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
424         dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
425         dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
426 }
427
428 void dcn31_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on)
429 {
430         uint32_t power_gate = power_on ? 0 : 1;
431         uint32_t pwr_status = power_on ? 0 : 2;
432
433         if (hws->ctx->dc->debug.disable_hubp_power_gate)
434                 return;
435
436         if (REG(DOMAIN0_PG_CONFIG) == 0)
437                 return;
438
439         switch (hubp_inst) {
440         case 0:
441                 REG_SET(DOMAIN0_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
442                 REG_WAIT(DOMAIN0_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
443                 break;
444         case 1:
445                 REG_SET(DOMAIN1_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
446                 REG_WAIT(DOMAIN1_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
447                 break;
448         case 2:
449                 REG_SET(DOMAIN2_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
450                 REG_WAIT(DOMAIN2_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
451                 break;
452         case 3:
453                 REG_SET(DOMAIN3_PG_CONFIG, 0, DOMAIN_POWER_GATE, power_gate);
454                 REG_WAIT(DOMAIN3_PG_STATUS, DOMAIN_PGFSM_PWR_STATUS, pwr_status, 1, 1000);
455                 break;
456         default:
457                 BREAK_TO_DEBUGGER();
458                 break;
459         }
460 }
461
462 int dcn31_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
463 {
464         struct dcn_hubbub_phys_addr_config config;
465
466         config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
467         config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
468         config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
469         config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
470         config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
471         config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
472         config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
473         config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
474
475         if (pa_config->gart_config.base_addr_is_mc_addr) {
476                 /* Convert from MC address to offset into FB */
477                 config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr -
478                                 pa_config->system_aperture.fb_base +
479                                 pa_config->system_aperture.fb_offset;
480         } else
481                 config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
482
483         return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
484 }
485
486 static void dcn31_reset_back_end_for_pipe(
487                 struct dc *dc,
488                 struct pipe_ctx *pipe_ctx,
489                 struct dc_state *context)
490 {
491         struct dc_link *link;
492
493         DC_LOGGER_INIT(dc->ctx->logger);
494         if (pipe_ctx->stream_res.stream_enc == NULL) {
495                 pipe_ctx->stream = NULL;
496                 return;
497         }
498         ASSERT(!pipe_ctx->top_pipe);
499
500         dc->hwss.set_abm_immediate_disable(pipe_ctx);
501
502         pipe_ctx->stream_res.tg->funcs->set_dsc_config(
503                         pipe_ctx->stream_res.tg,
504                         OPTC_DSC_DISABLED, 0, 0);
505         pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
506
507         pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
508         if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
509                 pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
510                                 pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
511
512         if (pipe_ctx->stream_res.tg->funcs->set_drr)
513                 pipe_ctx->stream_res.tg->funcs->set_drr(
514                                 pipe_ctx->stream_res.tg, NULL);
515
516         if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
517                 link = pipe_ctx->stream->link;
518                 /* DPMS may already disable or */
519                 /* dpms_off status is incorrect due to fastboot
520                  * feature. When system resume from S4 with second
521                  * screen only, the dpms_off would be true but
522                  * VBIOS lit up eDP, so check link status too.
523                  */
524                 if (!pipe_ctx->stream->dpms_off || link->link_status.link_active)
525                         core_link_disable_stream(pipe_ctx);
526                 else if (pipe_ctx->stream_res.audio)
527                         dc->hwss.disable_audio_stream(pipe_ctx);
528
529                 /* free acquired resources */
530                 if (pipe_ctx->stream_res.audio) {
531                         /*disable az_endpoint*/
532                         pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
533
534                         /*free audio*/
535                         if (dc->caps.dynamic_audio == true) {
536                                 /*we have to dynamic arbitrate the audio endpoints*/
537                                 /*we free the resource, need reset is_audio_acquired*/
538                                 update_audio_usage(&dc->current_state->res_ctx, dc->res_pool,
539                                                 pipe_ctx->stream_res.audio, false);
540                                 pipe_ctx->stream_res.audio = NULL;
541                         }
542                 }
543         } else if (pipe_ctx->stream_res.dsc) {
544                         dp_set_dsc_enable(pipe_ctx, false);
545         }
546
547         pipe_ctx->stream = NULL;
548         DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n",
549                                         pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst);
550 }
551
552 void dcn31_reset_hw_ctx_wrap(
553                 struct dc *dc,
554                 struct dc_state *context)
555 {
556         int i;
557         struct dce_hwseq *hws = dc->hwseq;
558
559         /* Reset Back End*/
560         for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) {
561                 struct pipe_ctx *pipe_ctx_old =
562                         &dc->current_state->res_ctx.pipe_ctx[i];
563                 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
564
565                 if (!pipe_ctx_old->stream)
566                         continue;
567
568                 if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe)
569                         continue;
570
571                 if (!pipe_ctx->stream ||
572                                 pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
573                         struct clock_source *old_clk = pipe_ctx_old->clock_source;
574
575                         dcn31_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state);
576                         if (hws->funcs.enable_stream_gating)
577                                 hws->funcs.enable_stream_gating(dc, pipe_ctx);
578                         if (old_clk)
579                                 old_clk->funcs->cs_power_down(old_clk);
580                 }
581         }
582 }
583
584 bool dcn31_is_abm_supported(struct dc *dc,
585                 struct dc_state *context, struct dc_stream_state *stream)
586 {
587         int i;
588
589         for (i = 0; i < dc->res_pool->pipe_count; i++) {
590                 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
591
592                 if (pipe_ctx->stream == stream &&
593                                 (pipe_ctx->prev_odm_pipe == NULL && pipe_ctx->next_odm_pipe == NULL))
594                         return true;
595         }
596         return false;
597 }
598
599 static void apply_riommu_invalidation_wa(struct dc *dc)
600 {
601         struct dce_hwseq *hws = dc->hwseq;
602
603         if (!hws->wa.early_riommu_invalidation)
604                 return;
605
606         REG_UPDATE(DCHUBBUB_ARB_HOSTVM_CNTL, DISABLE_HOSTVM_FORCE_ALLOW_PSTATE, 0);
607 }
608
609 void dcn31_init_pipes(struct dc *dc, struct dc_state *context)
610 {
611         dcn10_init_pipes(dc, context);
612         apply_riommu_invalidation_wa(dc);
613
614 }