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fcee01b9 HW |
1 | /* |
2 | * Copyright 2018 Advanced Micro Devices, Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Authors: AMD | |
23 | * | |
24 | */ | |
25 | ||
26 | #include "dccg.h" | |
27 | #include "clk_mgr_internal.h" | |
28 | ||
fcee01b9 | 29 | #include "dce100/dce_clk_mgr.h" |
ccce745c | 30 | #include "dcn20_clk_mgr.h" |
fcee01b9 HW |
31 | #include "reg_helper.h" |
32 | #include "core_types.h" | |
33 | #include "dm_helpers.h" | |
34 | ||
35 | #include "navi10_ip_offset.h" | |
36 | #include "dcn/dcn_2_0_0_offset.h" | |
37 | #include "dcn/dcn_2_0_0_sh_mask.h" | |
38 | #include "clk/clk_11_0_0_offset.h" | |
39 | #include "clk/clk_11_0_0_sh_mask.h" | |
40 | ||
41 | #undef FN | |
42 | #define FN(reg_name, field_name) \ | |
43 | clk_mgr->clk_mgr_shift->field_name, clk_mgr->clk_mgr_mask->field_name | |
44 | ||
45 | #define REG(reg) \ | |
46 | (clk_mgr->regs->reg) | |
47 | ||
48 | #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg | |
49 | ||
50 | #define BASE(seg) BASE_INNER(seg) | |
51 | ||
52 | #define SR(reg_name)\ | |
53 | .reg_name = BASE(mm ## reg_name ## _BASE_IDX) + \ | |
54 | mm ## reg_name | |
55 | ||
56 | #define CLK_BASE_INNER(seg) \ | |
57 | CLK_BASE__INST0_SEG ## seg | |
58 | ||
59 | ||
60 | static const struct clk_mgr_registers clk_mgr_regs = { | |
61 | CLK_REG_LIST_NV10() | |
62 | }; | |
63 | ||
64 | static const struct clk_mgr_shift clk_mgr_shift = { | |
65 | CLK_MASK_SH_LIST_NV10(__SHIFT) | |
66 | }; | |
67 | ||
68 | static const struct clk_mgr_mask clk_mgr_mask = { | |
69 | CLK_MASK_SH_LIST_NV10(_MASK) | |
70 | }; | |
71 | ||
7a5ab155 | 72 | uint32_t dentist_get_did_from_divider(int divider) |
fcee01b9 HW |
73 | { |
74 | uint32_t divider_id; | |
75 | ||
76 | /* we want to floor here to get higher clock than required rather than lower */ | |
77 | if (divider < DENTIST_DIVIDER_RANGE_2_START) { | |
78 | if (divider < DENTIST_DIVIDER_RANGE_1_START) | |
79 | divider_id = DENTIST_BASE_DID_1; | |
80 | else | |
81 | divider_id = DENTIST_BASE_DID_1 | |
82 | + (divider - DENTIST_DIVIDER_RANGE_1_START) | |
83 | / DENTIST_DIVIDER_RANGE_1_STEP; | |
84 | } else if (divider < DENTIST_DIVIDER_RANGE_3_START) { | |
85 | divider_id = DENTIST_BASE_DID_2 | |
86 | + (divider - DENTIST_DIVIDER_RANGE_2_START) | |
87 | / DENTIST_DIVIDER_RANGE_2_STEP; | |
88 | } else if (divider < DENTIST_DIVIDER_RANGE_4_START) { | |
89 | divider_id = DENTIST_BASE_DID_3 | |
90 | + (divider - DENTIST_DIVIDER_RANGE_3_START) | |
91 | / DENTIST_DIVIDER_RANGE_3_STEP; | |
92 | } else { | |
93 | divider_id = DENTIST_BASE_DID_4 | |
94 | + (divider - DENTIST_DIVIDER_RANGE_4_START) | |
95 | / DENTIST_DIVIDER_RANGE_4_STEP; | |
96 | if (divider_id > DENTIST_MAX_DID) | |
97 | divider_id = DENTIST_MAX_DID; | |
98 | } | |
99 | ||
100 | return divider_id; | |
101 | } | |
102 | ||
c69dd2d0 | 103 | void dcn20_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr, |
54790345 | 104 | struct dc_state *context, bool safe_to_lower) |
fcee01b9 HW |
105 | { |
106 | int i; | |
107 | ||
799c5b9c | 108 | clk_mgr->dccg->ref_dppclk = clk_mgr->base.clks.dppclk_khz; |
fcee01b9 | 109 | for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) { |
54790345 | 110 | int dpp_inst, dppclk_khz, prev_dppclk_khz; |
fcee01b9 | 111 | |
1ea8751b NA |
112 | /* Loop index will match dpp->inst if resource exists, |
113 | * and we want to avoid dependency on dpp object | |
114 | */ | |
115 | dpp_inst = i; | |
fcee01b9 | 116 | dppclk_khz = context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz; |
1ea8751b | 117 | |
54790345 SL |
118 | prev_dppclk_khz = clk_mgr->base.ctx->dc->current_state->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz; |
119 | ||
8fab6a2f | 120 | if ((prev_dppclk_khz > dppclk_khz && safe_to_lower) || prev_dppclk_khz < dppclk_khz) { |
54790345 SL |
121 | clk_mgr->dccg->funcs->update_dpp_dto( |
122 | clk_mgr->dccg, dpp_inst, dppclk_khz); | |
123 | } | |
fcee01b9 HW |
124 | } |
125 | } | |
126 | ||
799c5b9c | 127 | void dcn20_update_clocks_update_dentist(struct clk_mgr_internal *clk_mgr) |
fcee01b9 HW |
128 | { |
129 | int dpp_divider = DENTIST_DIVIDER_RANGE_SCALE_FACTOR | |
44ce0cd3 | 130 | * clk_mgr->base.dentist_vco_freq_khz / clk_mgr->base.clks.dppclk_khz; |
f7f38ffe | 131 | int disp_divider = DENTIST_DIVIDER_RANGE_SCALE_FACTOR |
44ce0cd3 | 132 | * clk_mgr->base.dentist_vco_freq_khz / clk_mgr->base.clks.dispclk_khz; |
f7f38ffe | 133 | |
799c5b9c | 134 | uint32_t dppclk_wdivider = dentist_get_did_from_divider(dpp_divider); |
f7f38ffe JL |
135 | uint32_t dispclk_wdivider = dentist_get_did_from_divider(disp_divider); |
136 | ||
137 | REG_UPDATE(DENTIST_DISPCLK_CNTL, | |
138 | DENTIST_DISPCLK_WDIVIDER, dispclk_wdivider); | |
799c5b9c WC |
139 | // REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_CHG_DONE, 1, 5, 100); |
140 | REG_UPDATE(DENTIST_DISPCLK_CNTL, | |
141 | DENTIST_DPPCLK_WDIVIDER, dppclk_wdivider); | |
142 | REG_WAIT(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_CHG_DONE, 1, 5, 100); | |
f7f38ffe JL |
143 | } |
144 | ||
fcee01b9 HW |
145 | |
146 | void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, | |
147 | struct dc_state *context, | |
148 | bool safe_to_lower) | |
149 | { | |
150 | struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); | |
151 | struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk; | |
152 | struct dc *dc = clk_mgr_base->ctx->dc; | |
153 | struct pp_smu_funcs_nv *pp_smu = NULL; | |
154 | int display_count; | |
799c5b9c | 155 | bool update_dppclk = false; |
fcee01b9 HW |
156 | bool update_dispclk = false; |
157 | bool enter_display_off = false; | |
799c5b9c | 158 | bool dpp_clock_lowered = false; |
8712bda4 | 159 | struct dmcu *dmcu = clk_mgr_base->ctx->dc->res_pool->dmcu; |
39bca359 | 160 | bool force_reset = false; |
fcee01b9 | 161 | |
37495fbd JC |
162 | if (dc->work_arounds.skip_clock_update) |
163 | return; | |
164 | ||
39bca359 CL |
165 | if (clk_mgr_base->clks.dispclk_khz == 0 || |
166 | dc->debug.force_clock_mode & 0x1) { | |
167 | //this is from resume or boot up, if forced_clock cfg option used, we bypass program dispclk and DPPCLK, but need set them for S3. | |
168 | force_reset = true; | |
ccce745c ML |
169 | |
170 | dcn2_read_clocks_from_hw_dentist(clk_mgr_base); | |
171 | ||
39bca359 CL |
172 | //force_clock_mode 0x1: force reset the clock even it is the same clock as long as it is in Passive level. |
173 | } | |
c69dd2d0 | 174 | display_count = clk_mgr_helper_get_active_display_cnt(dc, context); |
fcee01b9 HW |
175 | if (dc->res_pool->pp_smu) |
176 | pp_smu = &dc->res_pool->pp_smu->nv_funcs; | |
177 | ||
178 | if (display_count == 0) | |
179 | enter_display_off = true; | |
180 | ||
181 | if (enter_display_off == safe_to_lower) { | |
182 | if (pp_smu && pp_smu->set_display_count) | |
183 | pp_smu->set_display_count(&pp_smu->pp_smu, display_count); | |
184 | } | |
185 | ||
186 | if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, clk_mgr_base->clks.phyclk_khz)) { | |
187 | clk_mgr_base->clks.phyclk_khz = new_clocks->phyclk_khz; | |
188 | if (pp_smu && pp_smu->set_voltage_by_freq) | |
189 | pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_PHYCLK, clk_mgr_base->clks.phyclk_khz / 1000); | |
190 | } | |
191 | ||
f7f38ffe | 192 | |
2131f655 JL |
193 | if (dc->debug.force_min_dcfclk_mhz > 0) |
194 | new_clocks->dcfclk_khz = (new_clocks->dcfclk_khz > (dc->debug.force_min_dcfclk_mhz * 1000)) ? | |
195 | new_clocks->dcfclk_khz : (dc->debug.force_min_dcfclk_mhz * 1000); | |
196 | ||
fcee01b9 HW |
197 | if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) { |
198 | clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz; | |
199 | if (pp_smu && pp_smu->set_hard_min_dcfclk_by_freq) | |
200 | pp_smu->set_hard_min_dcfclk_by_freq(&pp_smu->pp_smu, clk_mgr_base->clks.dcfclk_khz / 1000); | |
201 | } | |
202 | ||
203 | if (should_set_clock(safe_to_lower, | |
204 | new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz)) { | |
205 | clk_mgr_base->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; | |
206 | if (pp_smu && pp_smu->set_min_deep_sleep_dcfclk) | |
207 | pp_smu->set_min_deep_sleep_dcfclk(&pp_smu->pp_smu, clk_mgr_base->clks.dcfclk_deep_sleep_khz / 1000); | |
208 | } | |
209 | ||
210 | if (should_set_clock(safe_to_lower, new_clocks->socclk_khz, clk_mgr_base->clks.socclk_khz)) { | |
211 | clk_mgr_base->clks.socclk_khz = new_clocks->socclk_khz; | |
212 | if (pp_smu && pp_smu->set_hard_min_socclk_by_freq) | |
213 | pp_smu->set_hard_min_socclk_by_freq(&pp_smu->pp_smu, clk_mgr_base->clks.socclk_khz / 1000); | |
214 | } | |
215 | ||
6e17b5b8 | 216 | if (should_update_pstate_support(safe_to_lower, new_clocks->p_state_change_support, clk_mgr_base->clks.p_state_change_support)) { |
057fc695 | 217 | clk_mgr_base->clks.prev_p_state_change_support = clk_mgr_base->clks.p_state_change_support; |
6ba11740 | 218 | clk_mgr_base->clks.p_state_change_support = new_clocks->p_state_change_support; |
6e17b5b8 JL |
219 | if (pp_smu && pp_smu->set_pstate_handshake_support) |
220 | pp_smu->set_pstate_handshake_support(&pp_smu->pp_smu, clk_mgr_base->clks.p_state_change_support); | |
6ba11740 | 221 | } |
fcee01b9 HW |
222 | |
223 | if (should_set_clock(safe_to_lower, new_clocks->dramclk_khz, clk_mgr_base->clks.dramclk_khz)) { | |
224 | clk_mgr_base->clks.dramclk_khz = new_clocks->dramclk_khz; | |
225 | if (pp_smu && pp_smu->set_hard_min_uclk_by_freq) | |
226 | pp_smu->set_hard_min_uclk_by_freq(&pp_smu->pp_smu, clk_mgr_base->clks.dramclk_khz / 1000); | |
227 | } | |
228 | ||
799c5b9c WC |
229 | if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { |
230 | if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) | |
231 | dpp_clock_lowered = true; | |
232 | clk_mgr->base.clks.dppclk_khz = new_clocks->dppclk_khz; | |
fcee01b9 | 233 | |
799c5b9c WC |
234 | if (pp_smu && pp_smu->set_voltage_by_freq) |
235 | pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_PIXELCLK, clk_mgr_base->clks.dppclk_khz / 1000); | |
fcee01b9 | 236 | |
799c5b9c WC |
237 | update_dppclk = true; |
238 | } | |
fcee01b9 | 239 | |
799c5b9c WC |
240 | if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) { |
241 | clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; | |
242 | if (pp_smu && pp_smu->set_voltage_by_freq) | |
243 | pp_smu->set_voltage_by_freq(&pp_smu->pp_smu, PP_SMU_NV_DISPCLK, clk_mgr_base->clks.dispclk_khz / 1000); | |
f7f38ffe | 244 | |
799c5b9c WC |
245 | update_dispclk = true; |
246 | } | |
1ea8751b | 247 | |
799c5b9c WC |
248 | if (dc->config.forced_clocks == false || (force_reset && safe_to_lower)) { |
249 | if (dpp_clock_lowered) { | |
250 | // if clock is being lowered, increase DTO before lowering refclk | |
54790345 | 251 | dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); |
799c5b9c WC |
252 | dcn20_update_clocks_update_dentist(clk_mgr); |
253 | } else { | |
254 | // if clock is being raised, increase refclk before lowering DTO | |
255 | if (update_dppclk || update_dispclk) | |
256 | dcn20_update_clocks_update_dentist(clk_mgr); | |
1ea8751b NA |
257 | // always update dtos unless clock is lowered and not safe to lower |
258 | if (new_clocks->dppclk_khz >= dc->current_state->bw_ctx.bw.dcn.clk.dppclk_khz) | |
54790345 | 259 | dcn20_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); |
a6465d1f | 260 | } |
c69dd2d0 | 261 | } |
1ea8751b | 262 | |
c69dd2d0 EY |
263 | if (update_dispclk && |
264 | dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) { | |
265 | /*update dmcu for wait_loop count*/ | |
266 | dmcu->funcs->set_psr_wait_loop(dmcu, | |
267 | clk_mgr_base->clks.dispclk_khz / 1000 / 7); | |
fcee01b9 HW |
268 | } |
269 | } | |
270 | ||
271 | void dcn2_update_clocks_fpga(struct clk_mgr *clk_mgr, | |
272 | struct dc_state *context, | |
273 | bool safe_to_lower) | |
274 | { | |
952f6c4b AK |
275 | struct clk_mgr_internal *clk_mgr_int = TO_CLK_MGR_INTERNAL(clk_mgr); |
276 | ||
fcee01b9 | 277 | struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk; |
5940ff39 TD |
278 | /* Min fclk = 1.2GHz since all the extra scemi logic seems to run off of it */ |
279 | int fclk_adj = new_clocks->fclk_khz > 1200000 ? new_clocks->fclk_khz : 1200000; | |
fcee01b9 HW |
280 | |
281 | if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, clk_mgr->clks.phyclk_khz)) { | |
282 | clk_mgr->clks.phyclk_khz = new_clocks->phyclk_khz; | |
283 | } | |
284 | ||
285 | if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr->clks.dcfclk_khz)) { | |
286 | clk_mgr->clks.dcfclk_khz = new_clocks->dcfclk_khz; | |
287 | } | |
288 | ||
289 | if (should_set_clock(safe_to_lower, | |
290 | new_clocks->dcfclk_deep_sleep_khz, clk_mgr->clks.dcfclk_deep_sleep_khz)) { | |
291 | clk_mgr->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; | |
292 | } | |
293 | ||
294 | if (should_set_clock(safe_to_lower, new_clocks->socclk_khz, clk_mgr->clks.socclk_khz)) { | |
295 | clk_mgr->clks.socclk_khz = new_clocks->socclk_khz; | |
296 | } | |
297 | ||
298 | if (should_set_clock(safe_to_lower, new_clocks->dramclk_khz, clk_mgr->clks.dramclk_khz)) { | |
299 | clk_mgr->clks.dramclk_khz = new_clocks->dramclk_khz; | |
300 | } | |
301 | ||
302 | if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->clks.dppclk_khz)) { | |
303 | clk_mgr->clks.dppclk_khz = new_clocks->dppclk_khz; | |
304 | } | |
305 | ||
0ff8dfe8 DL |
306 | if (should_set_clock(safe_to_lower, fclk_adj, clk_mgr->clks.fclk_khz)) { |
307 | clk_mgr->clks.fclk_khz = fclk_adj; | |
fcee01b9 HW |
308 | } |
309 | ||
310 | if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr->clks.dispclk_khz)) { | |
311 | clk_mgr->clks.dispclk_khz = new_clocks->dispclk_khz; | |
312 | } | |
313 | ||
952f6c4b AK |
314 | /* Both fclk and ref_dppclk run on the same scemi clock. |
315 | * So take the higher value since the DPP DTO is typically programmed | |
316 | * such that max dppclk is 1:1 with ref_dppclk. | |
fcee01b9 HW |
317 | */ |
318 | if (clk_mgr->clks.fclk_khz > clk_mgr->clks.dppclk_khz) | |
319 | clk_mgr->clks.dppclk_khz = clk_mgr->clks.fclk_khz; | |
0ff8dfe8 DL |
320 | if (clk_mgr->clks.dppclk_khz > clk_mgr->clks.fclk_khz) |
321 | clk_mgr->clks.fclk_khz = clk_mgr->clks.dppclk_khz; | |
fcee01b9 | 322 | |
952f6c4b AK |
323 | // Both fclk and ref_dppclk run on the same scemi clock. |
324 | clk_mgr_int->dccg->ref_dppclk = clk_mgr->clks.fclk_khz; | |
325 | ||
fcee01b9 HW |
326 | dm_set_dcn_clocks(clk_mgr->ctx, &clk_mgr->clks); |
327 | } | |
328 | ||
329 | void dcn2_init_clocks(struct clk_mgr *clk_mgr) | |
330 | { | |
331 | memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks)); | |
93c25fbd JL |
332 | // Assumption is that boot state always supports pstate |
333 | clk_mgr->clks.p_state_change_support = true; | |
057fc695 | 334 | clk_mgr->clks.prev_p_state_change_support = true; |
fcee01b9 HW |
335 | } |
336 | ||
170a2398 SSC |
337 | void dcn2_enable_pme_wa(struct clk_mgr *clk_mgr_base) |
338 | { | |
339 | struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); | |
340 | struct pp_smu_funcs_nv *pp_smu = NULL; | |
341 | ||
342 | if (clk_mgr->pp_smu) { | |
343 | pp_smu = &clk_mgr->pp_smu->nv_funcs; | |
344 | ||
345 | if (pp_smu->set_pme_wa_enable) | |
346 | pp_smu->set_pme_wa_enable(&pp_smu->pp_smu); | |
347 | } | |
348 | } | |
349 | ||
ccce745c ML |
350 | |
351 | void dcn2_read_clocks_from_hw_dentist(struct clk_mgr *clk_mgr_base) | |
352 | { | |
353 | struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); | |
354 | uint32_t dispclk_wdivider; | |
355 | uint32_t dppclk_wdivider; | |
356 | int disp_divider; | |
357 | int dpp_divider; | |
358 | ||
359 | REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, &dispclk_wdivider); | |
360 | REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_WDIVIDER, &dppclk_wdivider); | |
361 | ||
362 | disp_divider = dentist_get_divider_from_did(dispclk_wdivider); | |
363 | dpp_divider = dentist_get_divider_from_did(dispclk_wdivider); | |
364 | ||
365 | if (disp_divider && dpp_divider) { | |
366 | /* Calculate the current DFS clock, in kHz.*/ | |
367 | clk_mgr_base->clks.dispclk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR | |
368 | * clk_mgr->base.dentist_vco_freq_khz) / disp_divider; | |
369 | ||
370 | clk_mgr_base->clks.dppclk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR | |
371 | * clk_mgr->base.dentist_vco_freq_khz) / dpp_divider; | |
372 | } | |
373 | ||
374 | } | |
375 | ||
925f566c CL |
376 | void dcn2_get_clock(struct clk_mgr *clk_mgr, |
377 | struct dc_state *context, | |
378 | enum dc_clock_type clock_type, | |
379 | struct dc_clock_config *clock_cfg) | |
380 | { | |
381 | ||
382 | if (clock_type == DC_CLOCK_TYPE_DISPCLK) { | |
383 | clock_cfg->max_clock_khz = context->bw_ctx.bw.dcn.clk.max_supported_dispclk_khz; | |
384 | clock_cfg->min_clock_khz = DCN_MINIMUM_DISPCLK_Khz; | |
385 | clock_cfg->current_clock_khz = clk_mgr->clks.dispclk_khz; | |
386 | clock_cfg->bw_requirequired_clock_khz = context->bw_ctx.bw.dcn.clk.bw_dispclk_khz; | |
387 | } | |
388 | if (clock_type == DC_CLOCK_TYPE_DPPCLK) { | |
389 | clock_cfg->max_clock_khz = context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz; | |
390 | clock_cfg->min_clock_khz = DCN_MINIMUM_DPPCLK_Khz; | |
391 | clock_cfg->current_clock_khz = clk_mgr->clks.dppclk_khz; | |
392 | clock_cfg->bw_requirequired_clock_khz = context->bw_ctx.bw.dcn.clk.bw_dppclk_khz; | |
393 | } | |
394 | } | |
395 | ||
deb79818 JL |
396 | static bool dcn2_are_clock_states_equal(struct dc_clocks *a, |
397 | struct dc_clocks *b) | |
398 | { | |
399 | if (a->dispclk_khz != b->dispclk_khz) | |
400 | return false; | |
401 | else if (a->dppclk_khz != b->dppclk_khz) | |
402 | return false; | |
403 | else if (a->dcfclk_khz != b->dcfclk_khz) | |
404 | return false; | |
405 | else if (a->socclk_khz != b->socclk_khz) | |
406 | return false; | |
407 | else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz) | |
408 | return false; | |
409 | else if (a->phyclk_khz != b->phyclk_khz) | |
410 | return false; | |
411 | else if (a->dramclk_khz != b->dramclk_khz) | |
412 | return false; | |
413 | else if (a->p_state_change_support != b->p_state_change_support) | |
414 | return false; | |
415 | ||
416 | return true; | |
417 | } | |
418 | ||
fcee01b9 HW |
419 | static struct clk_mgr_funcs dcn2_funcs = { |
420 | .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, | |
421 | .update_clocks = dcn2_update_clocks, | |
170a2398 | 422 | .init_clocks = dcn2_init_clocks, |
925f566c CL |
423 | .enable_pme_wa = dcn2_enable_pme_wa, |
424 | .get_clock = dcn2_get_clock, | |
deb79818 | 425 | .are_clock_states_equal = dcn2_are_clock_states_equal, |
fcee01b9 HW |
426 | }; |
427 | ||
428 | ||
429 | void dcn20_clk_mgr_construct( | |
430 | struct dc_context *ctx, | |
431 | struct clk_mgr_internal *clk_mgr, | |
432 | struct pp_smu_funcs *pp_smu, | |
433 | struct dccg *dccg) | |
434 | { | |
435 | clk_mgr->base.ctx = ctx; | |
1d0610bc | 436 | clk_mgr->pp_smu = pp_smu; |
fcee01b9 HW |
437 | clk_mgr->base.funcs = &dcn2_funcs; |
438 | clk_mgr->regs = &clk_mgr_regs; | |
439 | clk_mgr->clk_mgr_shift = &clk_mgr_shift; | |
440 | clk_mgr->clk_mgr_mask = &clk_mgr_mask; | |
441 | ||
442 | clk_mgr->dccg = dccg; | |
443 | clk_mgr->dfs_bypass_disp_clk = 0; | |
444 | ||
445 | clk_mgr->dprefclk_ss_percentage = 0; | |
446 | clk_mgr->dprefclk_ss_divider = 1000; | |
447 | clk_mgr->ss_on_dprefclk = false; | |
448 | ||
449 | clk_mgr->base.dprefclk_khz = 700000; // 700 MHz planned if VCO is 3.85 GHz, will be retrieved | |
450 | ||
451 | if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) { | |
452 | dcn2_funcs.update_clocks = dcn2_update_clocks_fpga; | |
44ce0cd3 | 453 | clk_mgr->base.dentist_vco_freq_khz = 3850000; |
fcee01b9 HW |
454 | |
455 | } else { | |
456 | /* DFS Slice 2 should be used for DPREFCLK */ | |
457 | int dprefclk_did = REG_READ(CLK3_CLK2_DFS_CNTL); | |
458 | /* Convert DPREFCLK DFS Slice DID to actual divider*/ | |
459 | int target_div = dentist_get_divider_from_did(dprefclk_did); | |
460 | ||
461 | /* get FbMult value */ | |
462 | uint32_t pll_req_reg = REG_READ(CLK3_CLK_PLL_REQ); | |
463 | struct fixed31_32 pll_req; | |
464 | ||
465 | /* set up a fixed-point number | |
466 | * this works because the int part is on the right edge of the register | |
467 | * and the frac part is on the left edge | |
468 | */ | |
8712bda4 | 469 | |
fcee01b9 HW |
470 | pll_req = dc_fixpt_from_int(pll_req_reg & clk_mgr->clk_mgr_mask->FbMult_int); |
471 | pll_req.value |= pll_req_reg & clk_mgr->clk_mgr_mask->FbMult_frac; | |
472 | ||
473 | /* multiply by REFCLK period */ | |
474 | pll_req = dc_fixpt_mul_int(pll_req, 100000); | |
475 | ||
476 | /* integer part is now VCO frequency in kHz */ | |
44ce0cd3 | 477 | clk_mgr->base.dentist_vco_freq_khz = dc_fixpt_floor(pll_req); |
fcee01b9 HW |
478 | |
479 | /* in case we don't get a value from the register, use default */ | |
44ce0cd3 DL |
480 | if (clk_mgr->base.dentist_vco_freq_khz == 0) |
481 | clk_mgr->base.dentist_vco_freq_khz = 3850000; | |
fcee01b9 HW |
482 | |
483 | /* Calculate the DPREFCLK in kHz.*/ | |
484 | clk_mgr->base.dprefclk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR | |
44ce0cd3 | 485 | * clk_mgr->base.dentist_vco_freq_khz) / target_div; |
fcee01b9 HW |
486 | } |
487 | //Integrated_info table does not exist on dGPU projects so should not be referenced | |
488 | //anywhere in code for dGPUs. | |
489 | //Also there is no plan for now that DFS BYPASS will be used on NV10/12/14. | |
490 | clk_mgr->dfs_bypass_enabled = false; | |
491 | ||
492 | dce_clock_read_ss_info(clk_mgr); | |
493 | } | |
494 |