1 /*
2 * Copyright 2021 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
28 #include "dccg.h"
29 #include "clk_mgr_internal.h"
30
31 // For dce12_get_dp_ref_freq_khz
32 #include "dce100/dce_clk_mgr.h"
33 // For dcn20_update_clocks_update_dpp_dto
34 #include "dcn20/dcn20_clk_mgr.h"
35 #include "dcn31/dcn31_clk_mgr.h"
36 #include "dcn316_clk_mgr.h"
37 #include "reg_helper.h"
38 #include "core_types.h"
39 #include "dcn316_smu.h"
40 #include "dm_helpers.h"
41 #include "dc_dmub_srv.h"
42 #include "link.h"
43
44 // DCN316 this is CLK1 instance
45 #define MAX_INSTANCE 7
46 #define MAX_SEGMENT 6
47
48 struct IP_BASE_INSTANCE {
49 unsigned int segment[MAX_SEGMENT];
50 };
51
52 struct IP_BASE {
53 struct IP_BASE_INSTANCE instance[MAX_INSTANCE];
54 };
55
56 #define regCLK1_CLK_PLL_REQ 0x0237
57 #define regCLK1_CLK_PLL_REQ_BASE_IDX 0
58
59 #define CLK1_CLK_PLL_REQ__FbMult_int__SHIFT 0x0
60 #define CLK1_CLK_PLL_REQ__PllSpineDiv__SHIFT 0xc
61 #define CLK1_CLK_PLL_REQ__FbMult_frac__SHIFT 0x10
62 #define CLK1_CLK_PLL_REQ__FbMult_int_MASK 0x000001FFL
63 #define CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L
64 #define CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L
65
66 #define TO_CLK_MGR_DCN316(clk_mgr)\
67 container_of(clk_mgr, struct clk_mgr_dcn316, base)
68
dcn316_get_active_display_cnt_wa(struct dc * dc,struct dc_state * context)69 static int dcn316_get_active_display_cnt_wa(
70 struct dc *dc,
71 struct dc_state *context)
72 {
73 int i, display_count;
74 bool tmds_present = false;
75
76 display_count = 0;
77 for (i = 0; i < context->stream_count; i++) {
78 const struct dc_stream_state *stream = context->streams[i];
79
80 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A ||
81 stream->signal == SIGNAL_TYPE_DVI_SINGLE_LINK ||
82 stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK)
83 tmds_present = true;
84 }
85
86 for (i = 0; i < dc->link_count; i++) {
87 const struct dc_link *link = dc->links[i];
88
89 /* abusing the fact that the dig and phy are coupled to see if the phy is enabled */
90 if (link->link_enc && link->link_enc->funcs->is_dig_enabled &&
91 link->link_enc->funcs->is_dig_enabled(link->link_enc))
92 display_count++;
93 }
94
95 /* WA for hang on HDMI after display off back back on*/
96 if (display_count == 0 && tmds_present)
97 display_count = 1;
98
99 return display_count;
100 }
101
dcn316_disable_otg_wa(struct clk_mgr * clk_mgr_base,struct dc_state * context,bool safe_to_lower,bool disable)102 static void dcn316_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context,
103 bool safe_to_lower, bool disable)
104 {
105 struct dc *dc = clk_mgr_base->ctx->dc;
106 int i;
107
108 for (i = 0; i < dc->res_pool->pipe_count; ++i) {
109 struct pipe_ctx *pipe = safe_to_lower
110 ? &context->res_ctx.pipe_ctx[i]
111 : &dc->current_state->res_ctx.pipe_ctx[i];
112
113 if (pipe->top_pipe || pipe->prev_odm_pipe)
114 continue;
115 if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) ||
116 !pipe->stream->link_enc)) {
117 if (disable) {
118 if (pipe->stream_res.tg && pipe->stream_res.tg->funcs->immediate_disable_crtc)
119 pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg);
120
121 reset_sync_context_for_pipe(dc, context, i);
122 } else
123 pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
124 }
125 }
126 }
127
dcn316_enable_pme_wa(struct clk_mgr * clk_mgr_base)128 static void dcn316_enable_pme_wa(struct clk_mgr *clk_mgr_base)
129 {
130 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
131
132 dcn316_smu_enable_pme_wa(clk_mgr);
133 }
134
dcn316_update_clocks(struct clk_mgr * clk_mgr_base,struct dc_state * context,bool safe_to_lower)135 static void dcn316_update_clocks(struct clk_mgr *clk_mgr_base,
136 struct dc_state *context,
137 bool safe_to_lower)
138 {
139 union dmub_rb_cmd cmd;
140 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
141 struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
142 struct dc *dc = clk_mgr_base->ctx->dc;
143 int display_count;
144 bool update_dppclk = false;
145 bool update_dispclk = false;
146 bool dpp_clock_lowered = false;
147
148 if (dc->work_arounds.skip_clock_update)
149 return;
150
151 /*
152 * if it is safe to lower, but we are already in the lower state, we don't have to do anything
153 * also if safe to lower is false, we just go in the higher state
154 */
155 clk_mgr_base->clks.zstate_support = new_clocks->zstate_support;
156 if (safe_to_lower) {
157 if (clk_mgr_base->clks.dtbclk_en && !new_clocks->dtbclk_en) {
158 dcn316_smu_set_dtbclk(clk_mgr, false);
159 clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en;
160 }
161 /* check that we're not already in lower */
162 if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) {
163 display_count = dcn316_get_active_display_cnt_wa(dc, context);
164 /* if we can go lower, go lower */
165 if (display_count == 0) {
166 union display_idle_optimization_u idle_info = { 0 };
167 idle_info.idle_info.df_request_disabled = 1;
168 idle_info.idle_info.phy_ref_clk_off = 1;
169 idle_info.idle_info.s0i2_rdy = 1;
170 dcn316_smu_set_display_idle_optimization(clk_mgr, idle_info.data);
171 /* update power state */
172 clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER;
173 }
174 }
175 } else {
176 if (!clk_mgr_base->clks.dtbclk_en && new_clocks->dtbclk_en) {
177 dcn316_smu_set_dtbclk(clk_mgr, true);
178 clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en;
179 }
180
181 /* check that we're not already in D0 */
182 if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_MISSION_MODE) {
183 union display_idle_optimization_u idle_info = { 0 };
184 dcn316_smu_set_display_idle_optimization(clk_mgr, idle_info.data);
185 /* update power state */
186 clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_MISSION_MODE;
187 }
188 }
189
190 if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) {
191 clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz;
192 dcn316_smu_set_hard_min_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_khz);
193 }
194
195 if (should_set_clock(safe_to_lower,
196 new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz)) {
197 clk_mgr_base->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz;
198 dcn316_smu_set_min_deep_sleep_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_deep_sleep_khz);
199 }
200
201 // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow.
202 if (new_clocks->dppclk_khz < 100000)
203 new_clocks->dppclk_khz = 100000;
204 if (new_clocks->dispclk_khz < 100000)
205 new_clocks->dispclk_khz = 100000;
206
207 if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) {
208 if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz)
209 dpp_clock_lowered = true;
210 clk_mgr_base->clks.dppclk_khz = new_clocks->dppclk_khz;
211 update_dppclk = true;
212 }
213
214 if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) {
215 dcn316_disable_otg_wa(clk_mgr_base, context, safe_to_lower, true);
216
217 clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz;
218 dcn316_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz);
219 dcn316_disable_otg_wa(clk_mgr_base, context, safe_to_lower, false);
220
221 update_dispclk = true;
222 }
223
224 if (dpp_clock_lowered) {
225 // increase per DPP DTO before lowering global dppclk
226 dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower);
227 dcn316_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz);
228 } else {
229 // increase global DPPCLK before lowering per DPP DTO
230 if (update_dppclk || update_dispclk)
231 dcn316_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz);
232 // always update dtos unless clock is lowered and not safe to lower
233 if (new_clocks->dppclk_khz >= dc->current_state->bw_ctx.bw.dcn.clk.dppclk_khz)
234 dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower);
235 }
236
237 // notify DMCUB of latest clocks
238 memset(&cmd, 0, sizeof(cmd));
239 cmd.notify_clocks.header.type = DMUB_CMD__CLK_MGR;
240 cmd.notify_clocks.header.sub_type = DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS;
241 cmd.notify_clocks.clocks.dcfclk_khz = clk_mgr_base->clks.dcfclk_khz;
242 cmd.notify_clocks.clocks.dcfclk_deep_sleep_khz =
243 clk_mgr_base->clks.dcfclk_deep_sleep_khz;
244 cmd.notify_clocks.clocks.dispclk_khz = clk_mgr_base->clks.dispclk_khz;
245 cmd.notify_clocks.clocks.dppclk_khz = clk_mgr_base->clks.dppclk_khz;
246
247 dc_wake_and_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
248 }
249
dcn316_dump_clk_registers(struct clk_state_registers_and_bypass * regs_and_bypass,struct clk_mgr * clk_mgr_base,struct clk_log_info * log_info)250 static void dcn316_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass,
251 struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info)
252 {
253 return;
254 }
255
256 static struct clk_bw_params dcn316_bw_params = {
257 .vram_type = Ddr4MemType,
258 .num_channels = 1,
259 .clk_table = {
260 .num_entries = 5,
261 },
262
263 };
264
265 static struct wm_table ddr4_wm_table = {
266 .entries = {
267 {
268 .wm_inst = WM_A,
269 .wm_type = WM_TYPE_PSTATE_CHG,
270 .pstate_latency_us = 11.72,
271 .sr_exit_time_us = 6.09,
272 .sr_enter_plus_exit_time_us = 7.14,
273 .valid = true,
274 },
275 {
276 .wm_inst = WM_B,
277 .wm_type = WM_TYPE_PSTATE_CHG,
278 .pstate_latency_us = 11.72,
279 .sr_exit_time_us = 10.12,
280 .sr_enter_plus_exit_time_us = 11.48,
281 .valid = true,
282 },
283 {
284 .wm_inst = WM_C,
285 .wm_type = WM_TYPE_PSTATE_CHG,
286 .pstate_latency_us = 11.72,
287 .sr_exit_time_us = 10.12,
288 .sr_enter_plus_exit_time_us = 11.48,
289 .valid = true,
290 },
291 {
292 .wm_inst = WM_D,
293 .wm_type = WM_TYPE_PSTATE_CHG,
294 .pstate_latency_us = 11.72,
295 .sr_exit_time_us = 10.12,
296 .sr_enter_plus_exit_time_us = 11.48,
297 .valid = true,
298 },
299 }
300 };
301
302 static struct wm_table lpddr5_wm_table = {
303 .entries = {
304 {
305 .wm_inst = WM_A,
306 .wm_type = WM_TYPE_PSTATE_CHG,
307 .pstate_latency_us = 11.65333,
308 .sr_exit_time_us = 11.5,
309 .sr_enter_plus_exit_time_us = 14.5,
310 .valid = true,
311 },
312 {
313 .wm_inst = WM_B,
314 .wm_type = WM_TYPE_PSTATE_CHG,
315 .pstate_latency_us = 11.65333,
316 .sr_exit_time_us = 11.5,
317 .sr_enter_plus_exit_time_us = 14.5,
318 .valid = true,
319 },
320 {
321 .wm_inst = WM_C,
322 .wm_type = WM_TYPE_PSTATE_CHG,
323 .pstate_latency_us = 11.65333,
324 .sr_exit_time_us = 11.5,
325 .sr_enter_plus_exit_time_us = 14.5,
326 .valid = true,
327 },
328 {
329 .wm_inst = WM_D,
330 .wm_type = WM_TYPE_PSTATE_CHG,
331 .pstate_latency_us = 11.65333,
332 .sr_exit_time_us = 11.5,
333 .sr_enter_plus_exit_time_us = 14.5,
334 .valid = true,
335 },
336 }
337 };
338
339 static DpmClocks_316_t dummy_clocks;
340
341 static struct dcn316_watermarks dummy_wms = { 0 };
342
dcn316_build_watermark_ranges(struct clk_bw_params * bw_params,struct dcn316_watermarks * table)343 static void dcn316_build_watermark_ranges(struct clk_bw_params *bw_params, struct dcn316_watermarks *table)
344 {
345 int i, num_valid_sets;
346
347 num_valid_sets = 0;
348
349 for (i = 0; i < WM_SET_COUNT; i++) {
350 /* skip empty entries, the smu array has no holes*/
351 if (!bw_params->wm_table.entries[i].valid)
352 continue;
353
354 table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmSetting = bw_params->wm_table.entries[i].wm_inst;
355 table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmType = bw_params->wm_table.entries[i].wm_type;
356 /* We will not select WM based on fclk, so leave it as unconstrained */
357 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinClock = 0;
358 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxClock = 0xFFFF;
359
360 if (table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmType == WM_TYPE_PSTATE_CHG) {
361 if (i == 0)
362 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinMclk = 0;
363 else {
364 /* add 1 to make it non-overlapping with next lvl */
365 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinMclk =
366 bw_params->clk_table.entries[i - 1].dcfclk_mhz + 1;
367 }
368 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxMclk =
369 bw_params->clk_table.entries[i].dcfclk_mhz;
370
371 } else {
372 /* unconstrained for memory retraining */
373 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinClock = 0;
374 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxClock = 0xFFFF;
375
376 /* Modify previous watermark range to cover up to max */
377 table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxClock = 0xFFFF;
378 }
379 num_valid_sets++;
380 }
381
382 ASSERT(num_valid_sets != 0); /* Must have at least one set of valid watermarks */
383
384 /* modify the min and max to make sure we cover the whole range*/
385 table->WatermarkRow[WM_DCFCLK][0].MinMclk = 0;
386 table->WatermarkRow[WM_DCFCLK][0].MinClock = 0;
387 table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxMclk = 0xFFFF;
388 table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxClock = 0xFFFF;
389
390 /* This is for writeback only, does not matter currently as no writeback support*/
391 table->WatermarkRow[WM_SOCCLK][0].WmSetting = WM_A;
392 table->WatermarkRow[WM_SOCCLK][0].MinClock = 0;
393 table->WatermarkRow[WM_SOCCLK][0].MaxClock = 0xFFFF;
394 table->WatermarkRow[WM_SOCCLK][0].MinMclk = 0;
395 table->WatermarkRow[WM_SOCCLK][0].MaxMclk = 0xFFFF;
396 }
397
dcn316_notify_wm_ranges(struct clk_mgr * clk_mgr_base)398 static void dcn316_notify_wm_ranges(struct clk_mgr *clk_mgr_base)
399 {
400 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
401 struct clk_mgr_dcn316 *clk_mgr_dcn316 = TO_CLK_MGR_DCN316(clk_mgr);
402 struct dcn316_watermarks *table = clk_mgr_dcn316->smu_wm_set.wm_set;
403
404 if (!clk_mgr->smu_ver)
405 return;
406
407 if (!table || clk_mgr_dcn316->smu_wm_set.mc_address.quad_part == 0)
408 return;
409
410 memset(table, 0, sizeof(*table));
411
412 dcn316_build_watermark_ranges(clk_mgr_base->bw_params, table);
413
414 dcn316_smu_set_dram_addr_high(clk_mgr,
415 clk_mgr_dcn316->smu_wm_set.mc_address.high_part);
416 dcn316_smu_set_dram_addr_low(clk_mgr,
417 clk_mgr_dcn316->smu_wm_set.mc_address.low_part);
418 dcn316_smu_transfer_wm_table_dram_2_smu(clk_mgr);
419 }
420
dcn316_get_dpm_table_from_smu(struct clk_mgr_internal * clk_mgr,struct dcn316_smu_dpm_clks * smu_dpm_clks)421 static void dcn316_get_dpm_table_from_smu(struct clk_mgr_internal *clk_mgr,
422 struct dcn316_smu_dpm_clks *smu_dpm_clks)
423 {
424 DpmClocks_316_t *table = smu_dpm_clks->dpm_clks;
425
426 if (!clk_mgr->smu_ver)
427 return;
428
429 if (!table || smu_dpm_clks->mc_address.quad_part == 0)
430 return;
431
432 memset(table, 0, sizeof(*table));
433
434 dcn316_smu_set_dram_addr_high(clk_mgr,
435 smu_dpm_clks->mc_address.high_part);
436 dcn316_smu_set_dram_addr_low(clk_mgr,
437 smu_dpm_clks->mc_address.low_part);
438 dcn316_smu_transfer_dpm_table_smu_2_dram(clk_mgr);
439 }
440
find_max_clk_value(const uint32_t clocks[],uint32_t num_clocks)441 static uint32_t find_max_clk_value(const uint32_t clocks[], uint32_t num_clocks)
442 {
443 uint32_t max = 0;
444 int i;
445
446 for (i = 0; i < num_clocks; ++i) {
447 if (clocks[i] > max)
448 max = clocks[i];
449 }
450
451 return max;
452 }
453
find_clk_for_voltage(const DpmClocks_316_t * clock_table,const uint32_t clocks[],unsigned int voltage)454 static unsigned int find_clk_for_voltage(
455 const DpmClocks_316_t *clock_table,
456 const uint32_t clocks[],
457 unsigned int voltage)
458 {
459 int i;
460 int max_voltage = 0;
461 int clock = 0;
462
463 for (i = 0; i < NUM_SOC_VOLTAGE_LEVELS; i++) {
464 if (clock_table->SocVoltage[i] == voltage) {
465 return clocks[i];
466 } else if (clock_table->SocVoltage[i] >= max_voltage &&
467 clock_table->SocVoltage[i] < voltage) {
468 max_voltage = clock_table->SocVoltage[i];
469 clock = clocks[i];
470 }
471 }
472
473 ASSERT(clock);
474 return clock;
475 }
476
dcn316_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal * clk_mgr,struct integrated_info * bios_info,const DpmClocks_316_t * clock_table)477 static void dcn316_clk_mgr_helper_populate_bw_params(
478 struct clk_mgr_internal *clk_mgr,
479 struct integrated_info *bios_info,
480 const DpmClocks_316_t *clock_table)
481 {
482 int i, j;
483 struct clk_bw_params *bw_params = clk_mgr->base.bw_params;
484 uint32_t max_dispclk = 0, max_dppclk = 0;
485
486 j = -1;
487
488 static_assert(NUM_DF_PSTATE_LEVELS <= MAX_NUM_DPM_LVL,
489 "number of reported pstate levels exceeds maximum");
490
491 /* Find lowest DPM, FCLK is filled in reverse order*/
492
493 for (i = NUM_DF_PSTATE_LEVELS - 1; i >= 0; i--) {
494 if (clock_table->DfPstateTable[i].FClk != 0) {
495 j = i;
496 break;
497 }
498 }
499
500 if (j == -1) {
501 /* clock table is all 0s, just use our own hardcode */
502 ASSERT(0);
503 return;
504 }
505
506 bw_params->clk_table.num_entries = j + 1;
507
508 /* dispclk and dppclk can be max at any voltage, same number of levels for both */
509 if (clock_table->NumDispClkLevelsEnabled <= NUM_DISPCLK_DPM_LEVELS &&
510 clock_table->NumDispClkLevelsEnabled <= NUM_DPPCLK_DPM_LEVELS) {
511 max_dispclk = find_max_clk_value(clock_table->DispClocks, clock_table->NumDispClkLevelsEnabled);
512 max_dppclk = find_max_clk_value(clock_table->DppClocks, clock_table->NumDispClkLevelsEnabled);
513 } else {
514 ASSERT(0);
515 }
516
517 for (i = 0; i < bw_params->clk_table.num_entries; i++, j--) {
518 int temp;
519
520 bw_params->clk_table.entries[i].fclk_mhz = clock_table->DfPstateTable[j].FClk;
521 bw_params->clk_table.entries[i].memclk_mhz = clock_table->DfPstateTable[j].MemClk;
522 bw_params->clk_table.entries[i].voltage = clock_table->DfPstateTable[j].Voltage;
523 switch (clock_table->DfPstateTable[j].WckRatio) {
524 case WCK_RATIO_1_2:
525 bw_params->clk_table.entries[i].wck_ratio = 2;
526 break;
527 case WCK_RATIO_1_4:
528 bw_params->clk_table.entries[i].wck_ratio = 4;
529 break;
530 default:
531 bw_params->clk_table.entries[i].wck_ratio = 1;
532 }
533 temp = find_clk_for_voltage(clock_table, clock_table->DcfClocks, clock_table->DfPstateTable[j].Voltage);
534 if (temp)
535 bw_params->clk_table.entries[i].dcfclk_mhz = temp;
536 temp = find_clk_for_voltage(clock_table, clock_table->SocClocks, clock_table->DfPstateTable[j].Voltage);
537 if (temp)
538 bw_params->clk_table.entries[i].socclk_mhz = temp;
539 bw_params->clk_table.entries[i].dispclk_mhz = max_dispclk;
540 bw_params->clk_table.entries[i].dppclk_mhz = max_dppclk;
541 }
542
543 bw_params->vram_type = bios_info->memory_type;
544 bw_params->num_channels = bios_info->ma_channel_number;
545 bw_params->dram_channel_width_bytes = bios_info->memory_type == 0x22 ? 8 : 4;
546
547 for (i = 0; i < WM_SET_COUNT; i++) {
548 bw_params->wm_table.entries[i].wm_inst = i;
549
550 if (i >= bw_params->clk_table.num_entries) {
551 bw_params->wm_table.entries[i].valid = false;
552 continue;
553 }
554
555 bw_params->wm_table.entries[i].wm_type = WM_TYPE_PSTATE_CHG;
556 bw_params->wm_table.entries[i].valid = true;
557 }
558 }
559
560
561
562 static struct clk_mgr_funcs dcn316_funcs = {
563 .enable_pme_wa = dcn316_enable_pme_wa,
564 .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,
565 .get_dtb_ref_clk_frequency = dcn31_get_dtb_ref_freq_khz,
566 .update_clocks = dcn316_update_clocks,
567 .init_clocks = dcn31_init_clocks,
568 .are_clock_states_equal = dcn31_are_clock_states_equal,
569 .notify_wm_ranges = dcn316_notify_wm_ranges
570 };
571 extern struct clk_mgr_funcs dcn3_fpga_funcs;
572
dcn316_clk_mgr_construct(struct dc_context * ctx,struct clk_mgr_dcn316 * clk_mgr,struct pp_smu_funcs * pp_smu,struct dccg * dccg)573 void dcn316_clk_mgr_construct(
574 struct dc_context *ctx,
575 struct clk_mgr_dcn316 *clk_mgr,
576 struct pp_smu_funcs *pp_smu,
577 struct dccg *dccg)
578 {
579 struct dcn316_smu_dpm_clks smu_dpm_clks = { 0 };
580 struct clk_log_info log_info = {0};
581
582 clk_mgr->base.base.ctx = ctx;
583 clk_mgr->base.base.funcs = &dcn316_funcs;
584
585 clk_mgr->base.pp_smu = pp_smu;
586
587 clk_mgr->base.dccg = dccg;
588 clk_mgr->base.dfs_bypass_disp_clk = 0;
589
590 clk_mgr->base.dprefclk_ss_percentage = 0;
591 clk_mgr->base.dprefclk_ss_divider = 1000;
592 clk_mgr->base.ss_on_dprefclk = false;
593 clk_mgr->base.dfs_ref_freq_khz = 48000;
594
595 clk_mgr->smu_wm_set.wm_set = (struct dcn316_watermarks *)dm_helpers_allocate_gpu_mem(
596 clk_mgr->base.base.ctx,
597 DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
598 sizeof(struct dcn316_watermarks),
599 &clk_mgr->smu_wm_set.mc_address.quad_part);
600
601 if (!clk_mgr->smu_wm_set.wm_set) {
602 clk_mgr->smu_wm_set.wm_set = &dummy_wms;
603 clk_mgr->smu_wm_set.mc_address.quad_part = 0;
604 }
605 ASSERT(clk_mgr->smu_wm_set.wm_set);
606
607 smu_dpm_clks.dpm_clks = (DpmClocks_316_t *)dm_helpers_allocate_gpu_mem(
608 clk_mgr->base.base.ctx,
609 DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
610 sizeof(DpmClocks_316_t),
611 &smu_dpm_clks.mc_address.quad_part);
612
613 if (smu_dpm_clks.dpm_clks == NULL) {
614 smu_dpm_clks.dpm_clks = &dummy_clocks;
615 smu_dpm_clks.mc_address.quad_part = 0;
616 }
617
618 ASSERT(smu_dpm_clks.dpm_clks);
619
620 clk_mgr->base.smu_ver = dcn316_smu_get_smu_version(&clk_mgr->base);
621
622 if (clk_mgr->base.smu_ver > 0)
623 clk_mgr->base.smu_present = true;
624
625 // Skip this for now as it did not work on DCN315, renable during bring up
626 //clk_mgr->base.base.dentist_vco_freq_khz = get_vco_frequency_from_reg(&clk_mgr->base);
627 clk_mgr->base.base.dentist_vco_freq_khz = 2500000;
628
629 /* in case we don't get a value from the register, use default */
630 if (clk_mgr->base.base.dentist_vco_freq_khz == 0)
631 clk_mgr->base.base.dentist_vco_freq_khz = 2500000; /* 2400MHz */
632
633
634 if (ctx->dc_bios->integrated_info->memory_type == LpDdr5MemType) {
635 dcn316_bw_params.wm_table = lpddr5_wm_table;
636 } else {
637 dcn316_bw_params.wm_table = ddr4_wm_table;
638 }
639 /* Saved clocks configured at boot for debug purposes */
640 dcn316_dump_clk_registers(&clk_mgr->base.base.boot_snapshot,
641 &clk_mgr->base.base, &log_info);
642
643 clk_mgr->base.base.dprefclk_khz = 600000;
644 clk_mgr->base.base.dprefclk_khz = dcn316_smu_get_dpref_clk(&clk_mgr->base);
645 clk_mgr->base.base.clks.ref_dtbclk_khz = clk_mgr->base.base.dprefclk_khz;
646 dce_clock_read_ss_info(&clk_mgr->base);
647 /*clk_mgr->base.dccg->ref_dtbclk_khz =
648 dce_adjust_dp_ref_freq_for_ss(&clk_mgr->base, clk_mgr->base.base.dprefclk_khz);*/
649
650 clk_mgr->base.base.bw_params = &dcn316_bw_params;
651
652 if (clk_mgr->base.base.ctx->dc->debug.pstate_enabled) {
653 dcn316_get_dpm_table_from_smu(&clk_mgr->base, &smu_dpm_clks);
654
655 if (ctx->dc_bios->integrated_info) {
656 dcn316_clk_mgr_helper_populate_bw_params(
657 &clk_mgr->base,
658 ctx->dc_bios->integrated_info,
659 smu_dpm_clks.dpm_clks);
660 }
661 }
662
663 if (smu_dpm_clks.dpm_clks && smu_dpm_clks.mc_address.quad_part != 0)
664 dm_helpers_free_gpu_mem(clk_mgr->base.base.ctx, DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
665 smu_dpm_clks.dpm_clks);
666 }
667
dcn316_clk_mgr_destroy(struct clk_mgr_internal * clk_mgr_int)668 void dcn316_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int)
669 {
670 struct clk_mgr_dcn316 *clk_mgr = TO_CLK_MGR_DCN316(clk_mgr_int);
671
672 if (clk_mgr->smu_wm_set.wm_set && clk_mgr->smu_wm_set.mc_address.quad_part != 0)
673 dm_helpers_free_gpu_mem(clk_mgr_int->base.ctx, DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
674 clk_mgr->smu_wm_set.wm_set);
675 }
676