1 // SPDX-License-Identifier: MIT
3 * Copyright 2022 Advanced Micro Devices, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
29 #include "dcn314_clk_mgr.h"
32 #include "clk_mgr_internal.h"
34 // For dce12_get_dp_ref_freq_khz
35 #include "dce100/dce_clk_mgr.h"
37 // For dcn20_update_clocks_update_dpp_dto
38 #include "dcn20/dcn20_clk_mgr.h"
42 #include "reg_helper.h"
43 #include "core_types.h"
44 #include "dm_helpers.h"
46 /* TODO: remove this include once we ported over remaining clk mgr functions*/
47 #include "dcn30/dcn30_clk_mgr.h"
48 #include "dcn31/dcn31_clk_mgr.h"
50 #include "dc_dmub_srv.h"
51 #include "dc_link_dp.h"
52 #include "dcn314_smu.h"
54 #define MAX_INSTANCE 7
57 struct IP_BASE_INSTANCE {
58 unsigned int segment[MAX_SEGMENT];
62 struct IP_BASE_INSTANCE instance[MAX_INSTANCE];
65 static const struct IP_BASE CLK_BASE = { { { { 0x00016C00, 0x02401800, 0, 0, 0, 0, 0, 0 } },
66 { { 0x00016E00, 0x02401C00, 0, 0, 0, 0, 0, 0 } },
67 { { 0x00017000, 0x02402000, 0, 0, 0, 0, 0, 0 } },
68 { { 0x00017200, 0x02402400, 0, 0, 0, 0, 0, 0 } },
69 { { 0x0001B000, 0x0242D800, 0, 0, 0, 0, 0, 0 } },
70 { { 0x0001B200, 0x0242DC00, 0, 0, 0, 0, 0, 0 } },
71 { { 0x0001B400, 0x0242E000, 0, 0, 0, 0, 0, 0 } } } };
73 #define regCLK1_CLK_PLL_REQ 0x0237
74 #define regCLK1_CLK_PLL_REQ_BASE_IDX 0
76 #define CLK1_CLK_PLL_REQ__FbMult_int__SHIFT 0x0
77 #define CLK1_CLK_PLL_REQ__PllSpineDiv__SHIFT 0xc
78 #define CLK1_CLK_PLL_REQ__FbMult_frac__SHIFT 0x10
79 #define CLK1_CLK_PLL_REQ__FbMult_int_MASK 0x000001FFL
80 #define CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L
81 #define CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L
83 #define REG(reg_name) \
84 (CLK_BASE.instance[0].segment[reg ## reg_name ## _BASE_IDX] + reg ## reg_name)
86 #define TO_CLK_MGR_DCN314(clk_mgr)\
87 container_of(clk_mgr, struct clk_mgr_dcn314, base)
89 static int dcn314_get_active_display_cnt_wa(
91 struct dc_state *context)
94 bool tmds_present = false;
97 for (i = 0; i < context->stream_count; i++) {
98 const struct dc_stream_state *stream = context->streams[i];
100 if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A ||
101 stream->signal == SIGNAL_TYPE_DVI_SINGLE_LINK ||
102 stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK)
106 for (i = 0; i < dc->link_count; i++) {
107 const struct dc_link *link = dc->links[i];
109 /* abusing the fact that the dig and phy are coupled to see if the phy is enabled */
110 if (link->link_enc && link->link_enc->funcs->is_dig_enabled &&
111 link->link_enc->funcs->is_dig_enabled(link->link_enc))
115 /* WA for hang on HDMI after display off back on*/
116 if (display_count == 0 && tmds_present)
119 return display_count;
122 static void dcn314_disable_otg_wa(struct clk_mgr *clk_mgr_base, bool disable)
124 struct dc *dc = clk_mgr_base->ctx->dc;
127 for (i = 0; i < dc->res_pool->pipe_count; ++i) {
128 struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
130 if (pipe->top_pipe || pipe->prev_odm_pipe)
132 if (pipe->stream && (pipe->stream->dpms_off || pipe->plane_state == NULL ||
133 dc_is_virtual_signal(pipe->stream->signal))) {
135 pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg);
137 pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg);
142 void dcn314_update_clocks(struct clk_mgr *clk_mgr_base,
143 struct dc_state *context,
146 union dmub_rb_cmd cmd;
147 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
148 struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
149 struct dc *dc = clk_mgr_base->ctx->dc;
151 bool update_dppclk = false;
152 bool update_dispclk = false;
153 bool dpp_clock_lowered = false;
155 if (dc->work_arounds.skip_clock_update)
159 * if it is safe to lower, but we are already in the lower state, we don't have to do anything
160 * also if safe to lower is false, we just go in the higher state
163 if (new_clocks->zstate_support != DCN_ZSTATE_SUPPORT_DISALLOW &&
164 new_clocks->zstate_support != clk_mgr_base->clks.zstate_support) {
165 dcn314_smu_set_zstate_support(clk_mgr, new_clocks->zstate_support);
166 dm_helpers_enable_periodic_detection(clk_mgr_base->ctx, true);
167 clk_mgr_base->clks.zstate_support = new_clocks->zstate_support;
170 if (clk_mgr_base->clks.dtbclk_en && !new_clocks->dtbclk_en) {
171 dcn314_smu_set_dtbclk(clk_mgr, false);
172 clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en;
174 /* check that we're not already in lower */
175 if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) {
176 display_count = dcn314_get_active_display_cnt_wa(dc, context);
177 /* if we can go lower, go lower */
178 if (display_count == 0) {
179 union display_idle_optimization_u idle_info = { 0 };
180 idle_info.idle_info.df_request_disabled = 1;
181 idle_info.idle_info.phy_ref_clk_off = 1;
182 idle_info.idle_info.s0i2_rdy = 1;
183 dcn314_smu_set_display_idle_optimization(clk_mgr, idle_info.data);
184 /* update power state */
185 clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER;
189 if (new_clocks->zstate_support == DCN_ZSTATE_SUPPORT_DISALLOW &&
190 new_clocks->zstate_support != clk_mgr_base->clks.zstate_support) {
191 dcn314_smu_set_zstate_support(clk_mgr, DCN_ZSTATE_SUPPORT_DISALLOW);
192 dm_helpers_enable_periodic_detection(clk_mgr_base->ctx, false);
193 clk_mgr_base->clks.zstate_support = new_clocks->zstate_support;
196 if (!clk_mgr_base->clks.dtbclk_en && new_clocks->dtbclk_en) {
197 dcn314_smu_set_dtbclk(clk_mgr, true);
198 clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en;
201 /* check that we're not already in D0 */
202 if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_MISSION_MODE) {
203 union display_idle_optimization_u idle_info = { 0 };
205 dcn314_smu_set_display_idle_optimization(clk_mgr, idle_info.data);
206 /* update power state */
207 clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_MISSION_MODE;
211 if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) {
212 clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz;
213 dcn314_smu_set_hard_min_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_khz);
216 if (should_set_clock(safe_to_lower,
217 new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz)) {
218 clk_mgr_base->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz;
219 dcn314_smu_set_min_deep_sleep_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_deep_sleep_khz);
222 // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow.
223 if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
224 if (new_clocks->dppclk_khz < 100000)
225 new_clocks->dppclk_khz = 100000;
228 if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) {
229 if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz)
230 dpp_clock_lowered = true;
231 clk_mgr_base->clks.dppclk_khz = new_clocks->dppclk_khz;
232 update_dppclk = true;
235 if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) {
236 dcn314_disable_otg_wa(clk_mgr_base, true);
238 clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz;
239 dcn314_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz);
240 dcn314_disable_otg_wa(clk_mgr_base, false);
242 update_dispclk = true;
245 if (dpp_clock_lowered) {
246 // increase per DPP DTO before lowering global dppclk
247 dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower);
248 dcn314_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz);
250 // increase global DPPCLK before lowering per DPP DTO
251 if (update_dppclk || update_dispclk)
252 dcn314_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz);
253 // always update dtos unless clock is lowered and not safe to lower
254 if (new_clocks->dppclk_khz >= dc->current_state->bw_ctx.bw.dcn.clk.dppclk_khz)
255 dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower);
258 // notify DMCUB of latest clocks
259 memset(&cmd, 0, sizeof(cmd));
260 cmd.notify_clocks.header.type = DMUB_CMD__CLK_MGR;
261 cmd.notify_clocks.header.sub_type = DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS;
262 cmd.notify_clocks.clocks.dcfclk_khz = clk_mgr_base->clks.dcfclk_khz;
263 cmd.notify_clocks.clocks.dcfclk_deep_sleep_khz =
264 clk_mgr_base->clks.dcfclk_deep_sleep_khz;
265 cmd.notify_clocks.clocks.dispclk_khz = clk_mgr_base->clks.dispclk_khz;
266 cmd.notify_clocks.clocks.dppclk_khz = clk_mgr_base->clks.dppclk_khz;
268 dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
269 dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
270 dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
273 static int get_vco_frequency_from_reg(struct clk_mgr_internal *clk_mgr)
275 /* get FbMult value */
276 struct fixed31_32 pll_req;
277 unsigned int fbmult_frac_val = 0;
278 unsigned int fbmult_int_val = 0;
281 * Register value of fbmult is in 8.16 format, we are converting to 314.32
282 * to leverage the fix point operations available in driver
285 REG_GET(CLK1_CLK_PLL_REQ, FbMult_frac, &fbmult_frac_val); /* 16 bit fractional part*/
286 REG_GET(CLK1_CLK_PLL_REQ, FbMult_int, &fbmult_int_val); /* 8 bit integer part */
288 pll_req = dc_fixpt_from_int(fbmult_int_val);
291 * since fractional part is only 16 bit in register definition but is 32 bit
292 * in our fix point definiton, need to shift left by 16 to obtain correct value
294 pll_req.value |= fbmult_frac_val << 16;
296 /* multiply by REFCLK period */
297 pll_req = dc_fixpt_mul_int(pll_req, clk_mgr->dfs_ref_freq_khz);
299 /* integer part is now VCO frequency in kHz */
300 return dc_fixpt_floor(pll_req);
303 static void dcn314_enable_pme_wa(struct clk_mgr *clk_mgr_base)
305 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
307 dcn314_smu_enable_pme_wa(clk_mgr);
310 bool dcn314_are_clock_states_equal(struct dc_clocks *a,
313 if (a->dispclk_khz != b->dispclk_khz)
315 else if (a->dppclk_khz != b->dppclk_khz)
317 else if (a->dcfclk_khz != b->dcfclk_khz)
319 else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz)
321 else if (a->zstate_support != b->zstate_support)
323 else if (a->dtbclk_en != b->dtbclk_en)
329 static void dcn314_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass,
330 struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info)
335 static struct clk_bw_params dcn314_bw_params = {
336 .vram_type = Ddr4MemType,
344 static struct wm_table ddr5_wm_table = {
348 .wm_type = WM_TYPE_PSTATE_CHG,
349 .pstate_latency_us = 11.72,
350 .sr_exit_time_us = 9,
351 .sr_enter_plus_exit_time_us = 11,
356 .wm_type = WM_TYPE_PSTATE_CHG,
357 .pstate_latency_us = 11.72,
358 .sr_exit_time_us = 9,
359 .sr_enter_plus_exit_time_us = 11,
364 .wm_type = WM_TYPE_PSTATE_CHG,
365 .pstate_latency_us = 11.72,
366 .sr_exit_time_us = 9,
367 .sr_enter_plus_exit_time_us = 11,
372 .wm_type = WM_TYPE_PSTATE_CHG,
373 .pstate_latency_us = 11.72,
374 .sr_exit_time_us = 9,
375 .sr_enter_plus_exit_time_us = 11,
381 static struct wm_table lpddr5_wm_table = {
385 .wm_type = WM_TYPE_PSTATE_CHG,
386 .pstate_latency_us = 11.65333,
387 .sr_exit_time_us = 11.5,
388 .sr_enter_plus_exit_time_us = 14.5,
393 .wm_type = WM_TYPE_PSTATE_CHG,
394 .pstate_latency_us = 11.65333,
395 .sr_exit_time_us = 11.5,
396 .sr_enter_plus_exit_time_us = 14.5,
401 .wm_type = WM_TYPE_PSTATE_CHG,
402 .pstate_latency_us = 11.65333,
403 .sr_exit_time_us = 11.5,
404 .sr_enter_plus_exit_time_us = 14.5,
409 .wm_type = WM_TYPE_PSTATE_CHG,
410 .pstate_latency_us = 11.65333,
411 .sr_exit_time_us = 11.5,
412 .sr_enter_plus_exit_time_us = 14.5,
418 static DpmClocks314_t dummy_clocks;
420 static struct dcn314_watermarks dummy_wms = { 0 };
422 static void dcn314_build_watermark_ranges(struct clk_bw_params *bw_params, struct dcn314_watermarks *table)
424 int i, num_valid_sets;
428 for (i = 0; i < WM_SET_COUNT; i++) {
429 /* skip empty entries, the smu array has no holes*/
430 if (!bw_params->wm_table.entries[i].valid)
433 table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmSetting = bw_params->wm_table.entries[i].wm_inst;
434 table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmType = bw_params->wm_table.entries[i].wm_type;
435 /* We will not select WM based on fclk, so leave it as unconstrained */
436 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinClock = 0;
437 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxClock = 0xFFFF;
439 if (table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmType == WM_TYPE_PSTATE_CHG) {
441 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinMclk = 0;
443 /* add 1 to make it non-overlapping with next lvl */
444 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinMclk =
445 bw_params->clk_table.entries[i - 1].dcfclk_mhz + 1;
447 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxMclk =
448 bw_params->clk_table.entries[i].dcfclk_mhz;
451 /* unconstrained for memory retraining */
452 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinClock = 0;
453 table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxClock = 0xFFFF;
455 /* Modify previous watermark range to cover up to max */
456 table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxClock = 0xFFFF;
461 ASSERT(num_valid_sets != 0); /* Must have at least one set of valid watermarks */
463 /* modify the min and max to make sure we cover the whole range*/
464 table->WatermarkRow[WM_DCFCLK][0].MinMclk = 0;
465 table->WatermarkRow[WM_DCFCLK][0].MinClock = 0;
466 table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxMclk = 0xFFFF;
467 table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxClock = 0xFFFF;
469 /* This is for writeback only, does not matter currently as no writeback support*/
470 table->WatermarkRow[WM_SOCCLK][0].WmSetting = WM_A;
471 table->WatermarkRow[WM_SOCCLK][0].MinClock = 0;
472 table->WatermarkRow[WM_SOCCLK][0].MaxClock = 0xFFFF;
473 table->WatermarkRow[WM_SOCCLK][0].MinMclk = 0;
474 table->WatermarkRow[WM_SOCCLK][0].MaxMclk = 0xFFFF;
477 static void dcn314_notify_wm_ranges(struct clk_mgr *clk_mgr_base)
479 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
480 struct clk_mgr_dcn314 *clk_mgr_dcn314 = TO_CLK_MGR_DCN314(clk_mgr);
481 struct dcn314_watermarks *table = clk_mgr_dcn314->smu_wm_set.wm_set;
483 if (!clk_mgr->smu_ver)
486 if (!table || clk_mgr_dcn314->smu_wm_set.mc_address.quad_part == 0)
489 memset(table, 0, sizeof(*table));
491 dcn314_build_watermark_ranges(clk_mgr_base->bw_params, table);
493 dcn314_smu_set_dram_addr_high(clk_mgr,
494 clk_mgr_dcn314->smu_wm_set.mc_address.high_part);
495 dcn314_smu_set_dram_addr_low(clk_mgr,
496 clk_mgr_dcn314->smu_wm_set.mc_address.low_part);
497 dcn314_smu_transfer_wm_table_dram_2_smu(clk_mgr);
500 static void dcn314_get_dpm_table_from_smu(struct clk_mgr_internal *clk_mgr,
501 struct dcn314_smu_dpm_clks *smu_dpm_clks)
503 DpmClocks314_t *table = smu_dpm_clks->dpm_clks;
505 if (!clk_mgr->smu_ver)
508 if (!table || smu_dpm_clks->mc_address.quad_part == 0)
511 memset(table, 0, sizeof(*table));
513 dcn314_smu_set_dram_addr_high(clk_mgr,
514 smu_dpm_clks->mc_address.high_part);
515 dcn314_smu_set_dram_addr_low(clk_mgr,
516 smu_dpm_clks->mc_address.low_part);
517 dcn314_smu_transfer_dpm_table_smu_2_dram(clk_mgr);
520 static inline bool is_valid_clock_value(uint32_t clock_value)
522 return clock_value > 1 && clock_value < 100000;
525 static unsigned int convert_wck_ratio(uint8_t wck_ratio)
540 static uint32_t find_max_clk_value(const uint32_t clocks[], uint32_t num_clocks)
545 for (i = 0; i < num_clocks; ++i) {
553 static void dcn314_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *clk_mgr,
554 struct integrated_info *bios_info,
555 const DpmClocks314_t *clock_table)
557 struct clk_bw_params *bw_params = clk_mgr->base.bw_params;
558 struct clk_limit_table_entry def_max = bw_params->clk_table.entries[bw_params->clk_table.num_entries - 1];
559 uint32_t max_pstate = 0, max_fclk = 0, min_pstate = 0, max_dispclk = 0, max_dppclk = 0;
562 /* Find highest valid fclk pstate */
563 for (i = 0; i < clock_table->NumDfPstatesEnabled; i++) {
564 if (is_valid_clock_value(clock_table->DfPstateTable[i].FClk) &&
565 clock_table->DfPstateTable[i].FClk > max_fclk) {
566 max_fclk = clock_table->DfPstateTable[i].FClk;
571 /* We expect the table to contain at least one valid fclk entry. */
572 ASSERT(is_valid_clock_value(max_fclk));
574 /* Dispclk and dppclk can be max at any voltage, same number of levels for both */
575 if (clock_table->NumDispClkLevelsEnabled <= NUM_DISPCLK_DPM_LEVELS &&
576 clock_table->NumDispClkLevelsEnabled <= NUM_DPPCLK_DPM_LEVELS) {
577 max_dispclk = find_max_clk_value(clock_table->DispClocks, clock_table->NumDispClkLevelsEnabled);
578 max_dppclk = find_max_clk_value(clock_table->DppClocks, clock_table->NumDispClkLevelsEnabled);
580 /* Invalid number of entries in the table from PMFW. */
584 /* Base the clock table on dcfclk, need at least one entry regardless of pmfw table */
585 for (i = 0; i < clock_table->NumDcfClkLevelsEnabled; i++) {
586 uint32_t min_fclk = clock_table->DfPstateTable[0].FClk;
589 for (j = 1; j < clock_table->NumDfPstatesEnabled; j++) {
590 if (is_valid_clock_value(clock_table->DfPstateTable[j].FClk) &&
591 clock_table->DfPstateTable[j].FClk < min_fclk &&
592 clock_table->DfPstateTable[j].Voltage <= clock_table->SocVoltage[i]) {
593 min_fclk = clock_table->DfPstateTable[j].FClk;
598 /* First search defaults for the clocks we don't read using closest lower or equal default dcfclk */
599 for (j = bw_params->clk_table.num_entries - 1; j > 0; j--)
600 if (bw_params->clk_table.entries[j].dcfclk_mhz <= clock_table->DcfClocks[i])
603 bw_params->clk_table.entries[i].phyclk_mhz = bw_params->clk_table.entries[j].phyclk_mhz;
604 bw_params->clk_table.entries[i].phyclk_d18_mhz = bw_params->clk_table.entries[j].phyclk_d18_mhz;
605 bw_params->clk_table.entries[i].dtbclk_mhz = bw_params->clk_table.entries[j].dtbclk_mhz;
607 /* Now update clocks we do read */
608 bw_params->clk_table.entries[i].fclk_mhz = min_fclk;
609 bw_params->clk_table.entries[i].memclk_mhz = clock_table->DfPstateTable[min_pstate].MemClk;
610 bw_params->clk_table.entries[i].voltage = clock_table->DfPstateTable[min_pstate].Voltage;
611 bw_params->clk_table.entries[i].dcfclk_mhz = clock_table->DcfClocks[i];
612 bw_params->clk_table.entries[i].socclk_mhz = clock_table->SocClocks[i];
613 bw_params->clk_table.entries[i].dispclk_mhz = max_dispclk;
614 bw_params->clk_table.entries[i].dppclk_mhz = max_dppclk;
615 bw_params->clk_table.entries[i].wck_ratio = convert_wck_ratio(
616 clock_table->DfPstateTable[min_pstate].WckRatio);
619 /* Make sure to include at least one entry at highest pstate */
620 if (max_pstate != min_pstate || i == 0) {
621 if (i > MAX_NUM_DPM_LVL - 1)
622 i = MAX_NUM_DPM_LVL - 1;
624 bw_params->clk_table.entries[i].fclk_mhz = max_fclk;
625 bw_params->clk_table.entries[i].memclk_mhz = clock_table->DfPstateTable[max_pstate].MemClk;
626 bw_params->clk_table.entries[i].voltage = clock_table->DfPstateTable[max_pstate].Voltage;
627 bw_params->clk_table.entries[i].dcfclk_mhz = find_max_clk_value(clock_table->DcfClocks, NUM_DCFCLK_DPM_LEVELS);
628 bw_params->clk_table.entries[i].socclk_mhz = find_max_clk_value(clock_table->SocClocks, NUM_SOCCLK_DPM_LEVELS);
629 bw_params->clk_table.entries[i].dispclk_mhz = max_dispclk;
630 bw_params->clk_table.entries[i].dppclk_mhz = max_dppclk;
631 bw_params->clk_table.entries[i].wck_ratio = convert_wck_ratio(
632 clock_table->DfPstateTable[max_pstate].WckRatio);
635 bw_params->clk_table.num_entries = i--;
637 /* Make sure all highest clocks are included*/
638 bw_params->clk_table.entries[i].socclk_mhz = find_max_clk_value(clock_table->SocClocks, NUM_SOCCLK_DPM_LEVELS);
639 bw_params->clk_table.entries[i].dispclk_mhz = find_max_clk_value(clock_table->DispClocks, NUM_DISPCLK_DPM_LEVELS);
640 bw_params->clk_table.entries[i].dppclk_mhz = find_max_clk_value(clock_table->DppClocks, NUM_DPPCLK_DPM_LEVELS);
641 ASSERT(clock_table->DcfClocks[i] == find_max_clk_value(clock_table->DcfClocks, NUM_DCFCLK_DPM_LEVELS));
642 bw_params->clk_table.entries[i].phyclk_mhz = def_max.phyclk_mhz;
643 bw_params->clk_table.entries[i].phyclk_d18_mhz = def_max.phyclk_d18_mhz;
644 bw_params->clk_table.entries[i].dtbclk_mhz = def_max.dtbclk_mhz;
647 * Set any 0 clocks to max default setting. Not an issue for
648 * power since we aren't doing switching in such case anyway
650 for (i = 0; i < bw_params->clk_table.num_entries; i++) {
651 if (!bw_params->clk_table.entries[i].fclk_mhz) {
652 bw_params->clk_table.entries[i].fclk_mhz = def_max.fclk_mhz;
653 bw_params->clk_table.entries[i].memclk_mhz = def_max.memclk_mhz;
654 bw_params->clk_table.entries[i].voltage = def_max.voltage;
656 if (!bw_params->clk_table.entries[i].dcfclk_mhz)
657 bw_params->clk_table.entries[i].dcfclk_mhz = def_max.dcfclk_mhz;
658 if (!bw_params->clk_table.entries[i].socclk_mhz)
659 bw_params->clk_table.entries[i].socclk_mhz = def_max.socclk_mhz;
660 if (!bw_params->clk_table.entries[i].dispclk_mhz)
661 bw_params->clk_table.entries[i].dispclk_mhz = def_max.dispclk_mhz;
662 if (!bw_params->clk_table.entries[i].dppclk_mhz)
663 bw_params->clk_table.entries[i].dppclk_mhz = def_max.dppclk_mhz;
664 if (!bw_params->clk_table.entries[i].phyclk_mhz)
665 bw_params->clk_table.entries[i].phyclk_mhz = def_max.phyclk_mhz;
666 if (!bw_params->clk_table.entries[i].phyclk_d18_mhz)
667 bw_params->clk_table.entries[i].phyclk_d18_mhz = def_max.phyclk_d18_mhz;
668 if (!bw_params->clk_table.entries[i].dtbclk_mhz)
669 bw_params->clk_table.entries[i].dtbclk_mhz = def_max.dtbclk_mhz;
671 ASSERT(bw_params->clk_table.entries[i-1].dcfclk_mhz);
672 bw_params->vram_type = bios_info->memory_type;
673 bw_params->num_channels = bios_info->ma_channel_number ? bios_info->ma_channel_number : 4;
675 for (i = 0; i < WM_SET_COUNT; i++) {
676 bw_params->wm_table.entries[i].wm_inst = i;
678 if (i >= bw_params->clk_table.num_entries) {
679 bw_params->wm_table.entries[i].valid = false;
683 bw_params->wm_table.entries[i].wm_type = WM_TYPE_PSTATE_CHG;
684 bw_params->wm_table.entries[i].valid = true;
688 static struct clk_mgr_funcs dcn314_funcs = {
689 .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,
690 .get_dtb_ref_clk_frequency = dcn31_get_dtb_ref_freq_khz,
691 .update_clocks = dcn314_update_clocks,
692 .init_clocks = dcn31_init_clocks,
693 .enable_pme_wa = dcn314_enable_pme_wa,
694 .are_clock_states_equal = dcn314_are_clock_states_equal,
695 .notify_wm_ranges = dcn314_notify_wm_ranges
697 extern struct clk_mgr_funcs dcn3_fpga_funcs;
699 void dcn314_clk_mgr_construct(
700 struct dc_context *ctx,
701 struct clk_mgr_dcn314 *clk_mgr,
702 struct pp_smu_funcs *pp_smu,
705 struct dcn314_smu_dpm_clks smu_dpm_clks = { 0 };
707 clk_mgr->base.base.ctx = ctx;
708 clk_mgr->base.base.funcs = &dcn314_funcs;
710 clk_mgr->base.pp_smu = pp_smu;
712 clk_mgr->base.dccg = dccg;
713 clk_mgr->base.dfs_bypass_disp_clk = 0;
715 clk_mgr->base.dprefclk_ss_percentage = 0;
716 clk_mgr->base.dprefclk_ss_divider = 1000;
717 clk_mgr->base.ss_on_dprefclk = false;
718 clk_mgr->base.dfs_ref_freq_khz = 48000;
720 clk_mgr->smu_wm_set.wm_set = (struct dcn314_watermarks *)dm_helpers_allocate_gpu_mem(
721 clk_mgr->base.base.ctx,
722 DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
723 sizeof(struct dcn314_watermarks),
724 &clk_mgr->smu_wm_set.mc_address.quad_part);
726 if (!clk_mgr->smu_wm_set.wm_set) {
727 clk_mgr->smu_wm_set.wm_set = &dummy_wms;
728 clk_mgr->smu_wm_set.mc_address.quad_part = 0;
730 ASSERT(clk_mgr->smu_wm_set.wm_set);
732 smu_dpm_clks.dpm_clks = (DpmClocks314_t *)dm_helpers_allocate_gpu_mem(
733 clk_mgr->base.base.ctx,
734 DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
735 sizeof(DpmClocks314_t),
736 &smu_dpm_clks.mc_address.quad_part);
738 if (smu_dpm_clks.dpm_clks == NULL) {
739 smu_dpm_clks.dpm_clks = &dummy_clocks;
740 smu_dpm_clks.mc_address.quad_part = 0;
743 ASSERT(smu_dpm_clks.dpm_clks);
745 if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
746 clk_mgr->base.base.funcs = &dcn3_fpga_funcs;
748 struct clk_log_info log_info = {0};
750 clk_mgr->base.smu_ver = dcn314_smu_get_smu_version(&clk_mgr->base);
752 if (clk_mgr->base.smu_ver)
753 clk_mgr->base.smu_present = true;
755 /* TODO: Check we get what we expect during bringup */
756 clk_mgr->base.base.dentist_vco_freq_khz = get_vco_frequency_from_reg(&clk_mgr->base);
758 if (ctx->dc_bios->integrated_info->memory_type == LpDdr5MemType)
759 dcn314_bw_params.wm_table = lpddr5_wm_table;
761 dcn314_bw_params.wm_table = ddr5_wm_table;
763 /* Saved clocks configured at boot for debug purposes */
764 dcn314_dump_clk_registers(&clk_mgr->base.base.boot_snapshot,
765 &clk_mgr->base.base, &log_info);
769 clk_mgr->base.base.dprefclk_khz = 600000;
770 clk_mgr->base.base.clks.ref_dtbclk_khz = 600000;
771 dce_clock_read_ss_info(&clk_mgr->base);
772 /*if bios enabled SS, driver needs to adjust dtb clock, only enable with correct bios*/
773 //clk_mgr->base.dccg->ref_dtbclk_khz = dce_adjust_dp_ref_freq_for_ss(clk_mgr_internal, clk_mgr->base.base.dprefclk_khz);
775 clk_mgr->base.base.bw_params = &dcn314_bw_params;
777 if (clk_mgr->base.base.ctx->dc->debug.pstate_enabled) {
778 dcn314_get_dpm_table_from_smu(&clk_mgr->base, &smu_dpm_clks);
780 if (ctx->dc_bios && ctx->dc_bios->integrated_info && ctx->dc->config.use_default_clock_table == false) {
781 dcn314_clk_mgr_helper_populate_bw_params(
783 ctx->dc_bios->integrated_info,
784 smu_dpm_clks.dpm_clks);
788 if (smu_dpm_clks.dpm_clks && smu_dpm_clks.mc_address.quad_part != 0)
789 dm_helpers_free_gpu_mem(clk_mgr->base.base.ctx, DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
790 smu_dpm_clks.dpm_clks);
793 void dcn314_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int)
795 struct clk_mgr_dcn314 *clk_mgr = TO_CLK_MGR_DCN314(clk_mgr_int);
797 if (clk_mgr->smu_wm_set.wm_set && clk_mgr->smu_wm_set.mc_address.quad_part != 0)
798 dm_helpers_free_gpu_mem(clk_mgr_int->base.ctx, DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
799 clk_mgr->smu_wm_set.wm_set);