xref: /dragonfly/sys/dev/drm/amd/powerplay/smumgr/iceland_smumgr.c (revision 789731325bde747251c28a37e0a00ed4efb88c46)
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  * Author: Huang Rui <ray.huang@amd.com>
23  *
24  */
25 #include "pp_debug.h"
26 #include <linux/types.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
29 #include <linux/gfp.h>
30 
31 #include "smumgr.h"
32 #include "iceland_smumgr.h"
33 
34 #include "ppsmc.h"
35 
36 #include "cgs_common.h"
37 
38 #include "smu7_dyn_defaults.h"
39 #include "smu7_hwmgr.h"
40 #include "hardwaremanager.h"
41 #include "ppatomctrl.h"
42 #include "atombios.h"
43 #include "pppcielanes.h"
44 #include "pp_endian.h"
45 #include "processpptables.h"
46 
47 
48 #include "smu/smu_7_1_1_d.h"
49 #include "smu/smu_7_1_1_sh_mask.h"
50 #include "smu71_discrete.h"
51 
52 #include "smu_ucode_xfer_vi.h"
53 #include "gmc/gmc_8_1_d.h"
54 #include "gmc/gmc_8_1_sh_mask.h"
55 #include "bif/bif_5_0_d.h"
56 #include "bif/bif_5_0_sh_mask.h"
57 #include "dce/dce_10_0_d.h"
58 #include "dce/dce_10_0_sh_mask.h"
59 
60 
61 #define ICELAND_SMC_SIZE               0x20000
62 
63 #define POWERTUNE_DEFAULT_SET_MAX    1
64 #define MC_CG_ARB_FREQ_F1           0x0b
65 #define VDDC_VDDCI_DELTA            200
66 
67 #define DEVICE_ID_VI_ICELAND_M_6900     0x6900
68 #define DEVICE_ID_VI_ICELAND_M_6901     0x6901
69 #define DEVICE_ID_VI_ICELAND_M_6902     0x6902
70 #define DEVICE_ID_VI_ICELAND_M_6903     0x6903
71 
72 static const struct iceland_pt_defaults defaults_iceland = {
73           /*
74            * sviLoadLIneEn, SviLoadLineVddC, TDC_VDDC_ThrottleReleaseLimitPerc,
75            * TDC_MAWt, TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac, BAPM_TEMP_GRADIENT
76            */
77           1, 0xF, 0xFD, 0x19, 5, 45, 0, 0xB0000,
78           { 0x79,  0x253, 0x25D, 0xAE,  0x72,  0x80,  0x83,  0x86,  0x6F,  0xC8,  0xC9,  0xC9,  0x2F,  0x4D,  0x61  },
79           { 0x17C, 0x172, 0x180, 0x1BC, 0x1B3, 0x1BD, 0x206, 0x200, 0x203, 0x25D, 0x25A, 0x255, 0x2C3, 0x2C5, 0x2B4 }
80 };
81 
82 /* 35W - XT, XTL */
83 static const struct iceland_pt_defaults defaults_icelandxt = {
84           /*
85            * sviLoadLIneEn, SviLoadLineVddC,
86            * TDC_VDDC_ThrottleReleaseLimitPerc, TDC_MAWt,
87            * TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac,
88            * BAPM_TEMP_GRADIENT
89            */
90           1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x0,
91           { 0xA7,  0x0, 0x0, 0xB5,  0x0, 0x0, 0x9F,  0x0, 0x0, 0xD6,  0x0, 0x0, 0xD7,  0x0, 0x0},
92           { 0x1EA, 0x0, 0x0, 0x224, 0x0, 0x0, 0x25E, 0x0, 0x0, 0x28E, 0x0, 0x0, 0x2AB, 0x0, 0x0}
93 };
94 
95 /* 25W - PRO, LE */
96 static const struct iceland_pt_defaults defaults_icelandpro = {
97           /*
98            * sviLoadLIneEn, SviLoadLineVddC,
99            * TDC_VDDC_ThrottleReleaseLimitPerc, TDC_MAWt,
100            * TdcWaterfallCtl, DTEAmbientTempBase, DisplayCac,
101            * BAPM_TEMP_GRADIENT
102            */
103           1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x0,
104           { 0xB7,  0x0, 0x0, 0xC3,  0x0, 0x0, 0xB5,  0x0, 0x0, 0xEA,  0x0, 0x0, 0xE6,  0x0, 0x0},
105           { 0x1EA, 0x0, 0x0, 0x224, 0x0, 0x0, 0x25E, 0x0, 0x0, 0x28E, 0x0, 0x0, 0x2AB, 0x0, 0x0}
106 };
107 
iceland_start_smc(struct pp_hwmgr * hwmgr)108 static int iceland_start_smc(struct pp_hwmgr *hwmgr)
109 {
110           PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
111                                           SMC_SYSCON_RESET_CNTL, rst_reg, 0);
112 
113           return 0;
114 }
115 
iceland_reset_smc(struct pp_hwmgr * hwmgr)116 static void iceland_reset_smc(struct pp_hwmgr *hwmgr)
117 {
118           PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
119                                           SMC_SYSCON_RESET_CNTL,
120                                           rst_reg, 1);
121 }
122 
123 
iceland_stop_smc_clock(struct pp_hwmgr * hwmgr)124 static void iceland_stop_smc_clock(struct pp_hwmgr *hwmgr)
125 {
126           PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
127                                           SMC_SYSCON_CLOCK_CNTL_0,
128                                           ck_disable, 1);
129 }
130 
iceland_start_smc_clock(struct pp_hwmgr * hwmgr)131 static void iceland_start_smc_clock(struct pp_hwmgr *hwmgr)
132 {
133           PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
134                                           SMC_SYSCON_CLOCK_CNTL_0,
135                                           ck_disable, 0);
136 }
137 
iceland_smu_start_smc(struct pp_hwmgr * hwmgr)138 static int iceland_smu_start_smc(struct pp_hwmgr *hwmgr)
139 {
140           /* set smc instruct start point at 0x0 */
141           smu7_program_jump_on_start(hwmgr);
142 
143           /* enable smc clock */
144           iceland_start_smc_clock(hwmgr);
145 
146           /* de-assert reset */
147           iceland_start_smc(hwmgr);
148 
149           PHM_WAIT_INDIRECT_FIELD(hwmgr, SMC_IND, FIRMWARE_FLAGS,
150                                          INTERRUPTS_ENABLED, 1);
151 
152           return 0;
153 }
154 
155 
iceland_upload_smc_firmware_data(struct pp_hwmgr * hwmgr,uint32_t length,const uint8_t * src,uint32_t limit,uint32_t start_addr)156 static int iceland_upload_smc_firmware_data(struct pp_hwmgr *hwmgr,
157                                                   uint32_t length, const uint8_t *src,
158                                                   uint32_t limit, uint32_t start_addr)
159 {
160           uint32_t byte_count = length;
161           uint32_t data;
162 
163           PP_ASSERT_WITH_CODE((limit >= byte_count), "SMC address is beyond the SMC RAM area.", return -EINVAL);
164 
165           cgs_write_register(hwmgr->device, mmSMC_IND_INDEX_0, start_addr);
166           PHM_WRITE_FIELD(hwmgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 1);
167 
168           while (byte_count >= 4) {
169                     data = src[0] * 0x1000000 + src[1] * 0x10000 + src[2] * 0x100 + src[3];
170                     cgs_write_register(hwmgr->device, mmSMC_IND_DATA_0, data);
171                     src += 4;
172                     byte_count -= 4;
173           }
174 
175           PHM_WRITE_FIELD(hwmgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0);
176 
177           PP_ASSERT_WITH_CODE((0 == byte_count), "SMC size must be divisible by 4.", return -EINVAL);
178 
179           return 0;
180 }
181 
182 
iceland_smu_upload_firmware_image(struct pp_hwmgr * hwmgr)183 static int iceland_smu_upload_firmware_image(struct pp_hwmgr *hwmgr)
184 {
185           uint32_t val;
186           struct cgs_firmware_info info = {0};
187 
188           if (hwmgr == NULL || hwmgr->device == NULL)
189                     return -EINVAL;
190 
191           /* load SMC firmware */
192           cgs_get_firmware_info(hwmgr->device,
193                     smu7_convert_fw_type_to_cgs(UCODE_ID_SMU), &info);
194 
195           if (info.image_size & 3) {
196                     pr_err("[ powerplay ] SMC ucode is not 4 bytes aligned\n");
197                     return -EINVAL;
198           }
199 
200           if (info.image_size > ICELAND_SMC_SIZE) {
201                     pr_err("[ powerplay ] SMC address is beyond the SMC RAM area\n");
202                     return -EINVAL;
203           }
204           hwmgr->smu_version = info.version;
205           /* wait for smc boot up */
206           PHM_WAIT_INDIRECT_FIELD_UNEQUAL(hwmgr, SMC_IND,
207                                                    RCU_UC_EVENTS, boot_seq_done, 0);
208 
209           /* clear firmware interrupt enable flag */
210           val = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC,
211                                             ixSMC_SYSCON_MISC_CNTL);
212           cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
213                                      ixSMC_SYSCON_MISC_CNTL, val | 1);
214 
215           /* stop smc clock */
216           iceland_stop_smc_clock(hwmgr);
217 
218           /* reset smc */
219           iceland_reset_smc(hwmgr);
220           iceland_upload_smc_firmware_data(hwmgr, info.image_size,
221                                         (uint8_t *)info.kptr, ICELAND_SMC_SIZE,
222                                         info.ucode_start_address);
223 
224           return 0;
225 }
226 
iceland_request_smu_load_specific_fw(struct pp_hwmgr * hwmgr,uint32_t firmwareType)227 static int iceland_request_smu_load_specific_fw(struct pp_hwmgr *hwmgr,
228                                                             uint32_t firmwareType)
229 {
230           return 0;
231 }
232 
iceland_start_smu(struct pp_hwmgr * hwmgr)233 static int iceland_start_smu(struct pp_hwmgr *hwmgr)
234 {
235           int result;
236 
237           result = iceland_smu_upload_firmware_image(hwmgr);
238           if (result)
239                     return result;
240           result = iceland_smu_start_smc(hwmgr);
241           if (result)
242                     return result;
243 
244           if (!smu7_is_smc_ram_running(hwmgr)) {
245                     pr_info("smu not running, upload firmware again \n");
246                     result = iceland_smu_upload_firmware_image(hwmgr);
247                     if (result)
248                               return result;
249 
250                     result = iceland_smu_start_smc(hwmgr);
251                     if (result)
252                               return result;
253           }
254 
255           result = smu7_request_smu_load_fw(hwmgr);
256 
257           return result;
258 }
259 
iceland_smu_init(struct pp_hwmgr * hwmgr)260 static int iceland_smu_init(struct pp_hwmgr *hwmgr)
261 {
262           struct iceland_smumgr *iceland_priv = NULL;
263 
264           iceland_priv = kzalloc(sizeof(struct iceland_smumgr), GFP_KERNEL);
265 
266           if (iceland_priv == NULL)
267                     return -ENOMEM;
268 
269           hwmgr->smu_backend = iceland_priv;
270 
271           if (smu7_init(hwmgr)) {
272                     kfree(iceland_priv);
273                     return -EINVAL;
274           }
275 
276           return 0;
277 }
278 
279 
iceland_initialize_power_tune_defaults(struct pp_hwmgr * hwmgr)280 static void iceland_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr)
281 {
282           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
283           struct amdgpu_device *adev = hwmgr->adev;
284           uint32_t dev_id;
285 
286           dev_id = adev->pdev->device;
287 
288           switch (dev_id) {
289           case DEVICE_ID_VI_ICELAND_M_6900:
290           case DEVICE_ID_VI_ICELAND_M_6903:
291                     smu_data->power_tune_defaults = &defaults_icelandxt;
292                     break;
293 
294           case DEVICE_ID_VI_ICELAND_M_6901:
295           case DEVICE_ID_VI_ICELAND_M_6902:
296                     smu_data->power_tune_defaults = &defaults_icelandpro;
297                     break;
298           default:
299                     smu_data->power_tune_defaults = &defaults_iceland;
300                     pr_warn("Unknown V.I. Device ID.\n");
301                     break;
302           }
303           return;
304 }
305 
iceland_populate_svi_load_line(struct pp_hwmgr * hwmgr)306 static int iceland_populate_svi_load_line(struct pp_hwmgr *hwmgr)
307 {
308           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
309           const struct iceland_pt_defaults *defaults = smu_data->power_tune_defaults;
310 
311           smu_data->power_tune_table.SviLoadLineEn = defaults->svi_load_line_en;
312           smu_data->power_tune_table.SviLoadLineVddC = defaults->svi_load_line_vddc;
313           smu_data->power_tune_table.SviLoadLineTrimVddC = 3;
314           smu_data->power_tune_table.SviLoadLineOffsetVddC = 0;
315 
316           return 0;
317 }
318 
iceland_populate_tdc_limit(struct pp_hwmgr * hwmgr)319 static int iceland_populate_tdc_limit(struct pp_hwmgr *hwmgr)
320 {
321           uint16_t tdc_limit;
322           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
323           const struct iceland_pt_defaults *defaults = smu_data->power_tune_defaults;
324 
325           tdc_limit = (uint16_t)(hwmgr->dyn_state.cac_dtp_table->usTDC * 256);
326           smu_data->power_tune_table.TDC_VDDC_PkgLimit =
327                               CONVERT_FROM_HOST_TO_SMC_US(tdc_limit);
328           smu_data->power_tune_table.TDC_VDDC_ThrottleReleaseLimitPerc =
329                               defaults->tdc_vddc_throttle_release_limit_perc;
330           smu_data->power_tune_table.TDC_MAWt = defaults->tdc_mawt;
331 
332           return 0;
333 }
334 
iceland_populate_dw8(struct pp_hwmgr * hwmgr,uint32_t fuse_table_offset)335 static int iceland_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset)
336 {
337           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
338           const struct iceland_pt_defaults *defaults = smu_data->power_tune_defaults;
339           uint32_t temp;
340 
341           if (smu7_read_smc_sram_dword(hwmgr,
342                               fuse_table_offset +
343                               offsetof(SMU71_Discrete_PmFuses, TdcWaterfallCtl),
344                               (uint32_t *)&temp, SMC_RAM_END))
345                     PP_ASSERT_WITH_CODE(false,
346                                         "Attempt to read PmFuses.DW6 (SviLoadLineEn) from SMC Failed!",
347                                         return -EINVAL);
348           else
349                     smu_data->power_tune_table.TdcWaterfallCtl = defaults->tdc_waterfall_ctl;
350 
351           return 0;
352 }
353 
iceland_populate_temperature_scaler(struct pp_hwmgr * hwmgr)354 static int iceland_populate_temperature_scaler(struct pp_hwmgr *hwmgr)
355 {
356           return 0;
357 }
358 
iceland_populate_gnb_lpml(struct pp_hwmgr * hwmgr)359 static int iceland_populate_gnb_lpml(struct pp_hwmgr *hwmgr)
360 {
361           int i;
362           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
363 
364           /* Currently not used. Set all to zero. */
365           for (i = 0; i < 8; i++)
366                     smu_data->power_tune_table.GnbLPML[i] = 0;
367 
368           return 0;
369 }
370 
iceland_populate_bapm_vddc_base_leakage_sidd(struct pp_hwmgr * hwmgr)371 static int iceland_populate_bapm_vddc_base_leakage_sidd(struct pp_hwmgr *hwmgr)
372 {
373           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
374           uint16_t HiSidd = smu_data->power_tune_table.BapmVddCBaseLeakageHiSidd;
375           uint16_t LoSidd = smu_data->power_tune_table.BapmVddCBaseLeakageLoSidd;
376           struct phm_cac_tdp_table *cac_table = hwmgr->dyn_state.cac_dtp_table;
377 
378           HiSidd = (uint16_t)(cac_table->usHighCACLeakage / 100 * 256);
379           LoSidd = (uint16_t)(cac_table->usLowCACLeakage / 100 * 256);
380 
381           smu_data->power_tune_table.BapmVddCBaseLeakageHiSidd =
382                               CONVERT_FROM_HOST_TO_SMC_US(HiSidd);
383           smu_data->power_tune_table.BapmVddCBaseLeakageLoSidd =
384                               CONVERT_FROM_HOST_TO_SMC_US(LoSidd);
385 
386           return 0;
387 }
388 
iceland_populate_bapm_vddc_vid_sidd(struct pp_hwmgr * hwmgr)389 static int iceland_populate_bapm_vddc_vid_sidd(struct pp_hwmgr *hwmgr)
390 {
391           int i;
392           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
393           uint8_t *hi_vid = smu_data->power_tune_table.BapmVddCVidHiSidd;
394           uint8_t *lo_vid = smu_data->power_tune_table.BapmVddCVidLoSidd;
395 
396           PP_ASSERT_WITH_CODE(NULL != hwmgr->dyn_state.cac_leakage_table,
397                                   "The CAC Leakage table does not exist!", return -EINVAL);
398           PP_ASSERT_WITH_CODE(hwmgr->dyn_state.cac_leakage_table->count <= 8,
399                                   "There should never be more than 8 entries for BapmVddcVid!!!", return -EINVAL);
400           PP_ASSERT_WITH_CODE(hwmgr->dyn_state.cac_leakage_table->count == hwmgr->dyn_state.vddc_dependency_on_sclk->count,
401                                   "CACLeakageTable->count and VddcDependencyOnSCLk->count not equal", return -EINVAL);
402 
403           if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_EVV)) {
404                     for (i = 0; (uint32_t) i < hwmgr->dyn_state.cac_leakage_table->count; i++) {
405                               lo_vid[i] = convert_to_vid(hwmgr->dyn_state.cac_leakage_table->entries[i].Vddc1);
406                               hi_vid[i] = convert_to_vid(hwmgr->dyn_state.cac_leakage_table->entries[i].Vddc2);
407                     }
408           } else {
409                     PP_ASSERT_WITH_CODE(false, "Iceland should always support EVV", return -EINVAL);
410           }
411 
412           return 0;
413 }
414 
iceland_populate_vddc_vid(struct pp_hwmgr * hwmgr)415 static int iceland_populate_vddc_vid(struct pp_hwmgr *hwmgr)
416 {
417           int i;
418           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
419           uint8_t *vid = smu_data->power_tune_table.VddCVid;
420           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
421 
422           PP_ASSERT_WITH_CODE(data->vddc_voltage_table.count <= 8,
423                     "There should never be more than 8 entries for VddcVid!!!",
424                     return -EINVAL);
425 
426           for (i = 0; i < (int)data->vddc_voltage_table.count; i++) {
427                     vid[i] = convert_to_vid(data->vddc_voltage_table.entries[i].value);
428           }
429 
430           return 0;
431 }
432 
433 
434 
iceland_populate_pm_fuses(struct pp_hwmgr * hwmgr)435 static int iceland_populate_pm_fuses(struct pp_hwmgr *hwmgr)
436 {
437           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
438           uint32_t pm_fuse_table_offset;
439 
440           if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
441                               PHM_PlatformCaps_PowerContainment)) {
442                     if (smu7_read_smc_sram_dword(hwmgr,
443                                         SMU71_FIRMWARE_HEADER_LOCATION +
444                                         offsetof(SMU71_Firmware_Header, PmFuseTable),
445                                         &pm_fuse_table_offset, SMC_RAM_END))
446                               PP_ASSERT_WITH_CODE(false,
447                                                   "Attempt to get pm_fuse_table_offset Failed!",
448                                                   return -EINVAL);
449 
450                     /* DW0 - DW3 */
451                     if (iceland_populate_bapm_vddc_vid_sidd(hwmgr))
452                               PP_ASSERT_WITH_CODE(false,
453                                                   "Attempt to populate bapm vddc vid Failed!",
454                                                   return -EINVAL);
455 
456                     /* DW4 - DW5 */
457                     if (iceland_populate_vddc_vid(hwmgr))
458                               PP_ASSERT_WITH_CODE(false,
459                                                   "Attempt to populate vddc vid Failed!",
460                                                   return -EINVAL);
461 
462                     /* DW6 */
463                     if (iceland_populate_svi_load_line(hwmgr))
464                               PP_ASSERT_WITH_CODE(false,
465                                                   "Attempt to populate SviLoadLine Failed!",
466                                                   return -EINVAL);
467                     /* DW7 */
468                     if (iceland_populate_tdc_limit(hwmgr))
469                               PP_ASSERT_WITH_CODE(false,
470                                                   "Attempt to populate TDCLimit Failed!", return -EINVAL);
471                     /* DW8 */
472                     if (iceland_populate_dw8(hwmgr, pm_fuse_table_offset))
473                               PP_ASSERT_WITH_CODE(false,
474                                                   "Attempt to populate TdcWaterfallCtl, "
475                                                   "LPMLTemperature Min and Max Failed!",
476                                                   return -EINVAL);
477 
478                     /* DW9-DW12 */
479                     if (0 != iceland_populate_temperature_scaler(hwmgr))
480                               PP_ASSERT_WITH_CODE(false,
481                                                   "Attempt to populate LPMLTemperatureScaler Failed!",
482                                                   return -EINVAL);
483 
484                     /* DW13-DW16 */
485                     if (iceland_populate_gnb_lpml(hwmgr))
486                               PP_ASSERT_WITH_CODE(false,
487                                                   "Attempt to populate GnbLPML Failed!",
488                                                   return -EINVAL);
489 
490                     /* DW18 */
491                     if (iceland_populate_bapm_vddc_base_leakage_sidd(hwmgr))
492                               PP_ASSERT_WITH_CODE(false,
493                                                   "Attempt to populate BapmVddCBaseLeakage Hi and Lo Sidd Failed!",
494                                                   return -EINVAL);
495 
496                     if (smu7_copy_bytes_to_smc(hwmgr, pm_fuse_table_offset,
497                                         (uint8_t *)&smu_data->power_tune_table,
498                                         sizeof(struct SMU71_Discrete_PmFuses), SMC_RAM_END))
499                               PP_ASSERT_WITH_CODE(false,
500                                                   "Attempt to download PmFuseTable Failed!",
501                                                   return -EINVAL);
502           }
503           return 0;
504 }
505 
iceland_get_dependency_volt_by_clk(struct pp_hwmgr * hwmgr,struct phm_clock_voltage_dependency_table * allowed_clock_voltage_table,uint32_t clock,uint32_t * vol)506 static int iceland_get_dependency_volt_by_clk(struct pp_hwmgr *hwmgr,
507           struct phm_clock_voltage_dependency_table *allowed_clock_voltage_table,
508           uint32_t clock, uint32_t *vol)
509 {
510           uint32_t i = 0;
511 
512           /* clock - voltage dependency table is empty table */
513           if (allowed_clock_voltage_table->count == 0)
514                     return -EINVAL;
515 
516           for (i = 0; i < allowed_clock_voltage_table->count; i++) {
517                     /* find first sclk bigger than request */
518                     if (allowed_clock_voltage_table->entries[i].clk >= clock) {
519                               *vol = allowed_clock_voltage_table->entries[i].v;
520                               return 0;
521                     }
522           }
523 
524           /* sclk is bigger than max sclk in the dependence table */
525           *vol = allowed_clock_voltage_table->entries[i - 1].v;
526 
527           return 0;
528 }
529 
iceland_get_std_voltage_value_sidd(struct pp_hwmgr * hwmgr,pp_atomctrl_voltage_table_entry * tab,uint16_t * hi,uint16_t * lo)530 static int iceland_get_std_voltage_value_sidd(struct pp_hwmgr *hwmgr,
531                     pp_atomctrl_voltage_table_entry *tab, uint16_t *hi,
532                     uint16_t *lo)
533 {
534           uint16_t v_index;
535           bool vol_found = false;
536           *hi = tab->value * VOLTAGE_SCALE;
537           *lo = tab->value * VOLTAGE_SCALE;
538 
539           /* SCLK/VDDC Dependency Table has to exist. */
540           PP_ASSERT_WITH_CODE(NULL != hwmgr->dyn_state.vddc_dependency_on_sclk,
541                               "The SCLK/VDDC Dependency Table does not exist.",
542                               return -EINVAL);
543 
544           if (NULL == hwmgr->dyn_state.cac_leakage_table) {
545                     pr_warn("CAC Leakage Table does not exist, using vddc.\n");
546                     return 0;
547           }
548 
549           /*
550            * Since voltage in the sclk/vddc dependency table is not
551            * necessarily in ascending order because of ELB voltage
552            * patching, loop through entire list to find exact voltage.
553            */
554           for (v_index = 0; (uint32_t)v_index < hwmgr->dyn_state.vddc_dependency_on_sclk->count; v_index++) {
555                     if (tab->value == hwmgr->dyn_state.vddc_dependency_on_sclk->entries[v_index].v) {
556                               vol_found = true;
557                               if ((uint32_t)v_index < hwmgr->dyn_state.cac_leakage_table->count) {
558                                         *lo = hwmgr->dyn_state.cac_leakage_table->entries[v_index].Vddc * VOLTAGE_SCALE;
559                                         *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[v_index].Leakage * VOLTAGE_SCALE);
560                               } else {
561                                         pr_warn("Index from SCLK/VDDC Dependency Table exceeds the CAC Leakage Table index, using maximum index from CAC table.\n");
562                                         *lo = hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Vddc * VOLTAGE_SCALE;
563                                         *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Leakage * VOLTAGE_SCALE);
564                               }
565                               break;
566                     }
567           }
568 
569           /*
570            * If voltage is not found in the first pass, loop again to
571            * find the best match, equal or higher value.
572            */
573           if (!vol_found) {
574                     for (v_index = 0; (uint32_t)v_index < hwmgr->dyn_state.vddc_dependency_on_sclk->count; v_index++) {
575                               if (tab->value <= hwmgr->dyn_state.vddc_dependency_on_sclk->entries[v_index].v) {
576                                         vol_found = true;
577                                         if ((uint32_t)v_index < hwmgr->dyn_state.cac_leakage_table->count) {
578                                                   *lo = hwmgr->dyn_state.cac_leakage_table->entries[v_index].Vddc * VOLTAGE_SCALE;
579                                                   *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[v_index].Leakage) * VOLTAGE_SCALE;
580                                         } else {
581                                                   pr_warn("Index from SCLK/VDDC Dependency Table exceeds the CAC Leakage Table index in second look up, using maximum index from CAC table.");
582                                                   *lo = hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Vddc * VOLTAGE_SCALE;
583                                                   *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Leakage * VOLTAGE_SCALE);
584                                         }
585                                         break;
586                               }
587                     }
588 
589                     if (!vol_found)
590                               pr_warn("Unable to get std_vddc from SCLK/VDDC Dependency Table, using vddc.\n");
591           }
592 
593           return 0;
594 }
595 
iceland_populate_smc_voltage_table(struct pp_hwmgr * hwmgr,pp_atomctrl_voltage_table_entry * tab,SMU71_Discrete_VoltageLevel * smc_voltage_tab)596 static int iceland_populate_smc_voltage_table(struct pp_hwmgr *hwmgr,
597                     pp_atomctrl_voltage_table_entry *tab,
598                     SMU71_Discrete_VoltageLevel *smc_voltage_tab)
599 {
600           int result;
601 
602           result = iceland_get_std_voltage_value_sidd(hwmgr, tab,
603                               &smc_voltage_tab->StdVoltageHiSidd,
604                               &smc_voltage_tab->StdVoltageLoSidd);
605           if (0 != result) {
606                     smc_voltage_tab->StdVoltageHiSidd = tab->value * VOLTAGE_SCALE;
607                     smc_voltage_tab->StdVoltageLoSidd = tab->value * VOLTAGE_SCALE;
608           }
609 
610           smc_voltage_tab->Voltage = PP_HOST_TO_SMC_US(tab->value * VOLTAGE_SCALE);
611           CONVERT_FROM_HOST_TO_SMC_US(smc_voltage_tab->StdVoltageHiSidd);
612           CONVERT_FROM_HOST_TO_SMC_US(smc_voltage_tab->StdVoltageHiSidd);
613 
614           return 0;
615 }
616 
iceland_populate_smc_vddc_table(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * table)617 static int iceland_populate_smc_vddc_table(struct pp_hwmgr *hwmgr,
618                               SMU71_Discrete_DpmTable *table)
619 {
620           unsigned int count;
621           int result;
622           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
623 
624           table->VddcLevelCount = data->vddc_voltage_table.count;
625           for (count = 0; count < table->VddcLevelCount; count++) {
626                     result = iceland_populate_smc_voltage_table(hwmgr,
627                                         &(data->vddc_voltage_table.entries[count]),
628                                         &(table->VddcLevel[count]));
629                     PP_ASSERT_WITH_CODE(0 == result, "do not populate SMC VDDC voltage table", return -EINVAL);
630 
631                     /* GPIO voltage control */
632                     if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->voltage_control)
633                               table->VddcLevel[count].Smio |= data->vddc_voltage_table.entries[count].smio_low;
634                     else if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control)
635                               table->VddcLevel[count].Smio = 0;
636           }
637 
638           CONVERT_FROM_HOST_TO_SMC_UL(table->VddcLevelCount);
639 
640           return 0;
641 }
642 
iceland_populate_smc_vdd_ci_table(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * table)643 static int iceland_populate_smc_vdd_ci_table(struct pp_hwmgr *hwmgr,
644                               SMU71_Discrete_DpmTable *table)
645 {
646           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
647           uint32_t count;
648           int result;
649 
650           table->VddciLevelCount = data->vddci_voltage_table.count;
651 
652           for (count = 0; count < table->VddciLevelCount; count++) {
653                     result = iceland_populate_smc_voltage_table(hwmgr,
654                                         &(data->vddci_voltage_table.entries[count]),
655                                         &(table->VddciLevel[count]));
656                     PP_ASSERT_WITH_CODE(result == 0, "do not populate SMC VDDCI voltage table", return -EINVAL);
657                     if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control)
658                               table->VddciLevel[count].Smio |= data->vddci_voltage_table.entries[count].smio_low;
659                     else
660                               table->VddciLevel[count].Smio |= 0;
661           }
662 
663           CONVERT_FROM_HOST_TO_SMC_UL(table->VddciLevelCount);
664 
665           return 0;
666 }
667 
iceland_populate_smc_mvdd_table(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * table)668 static int iceland_populate_smc_mvdd_table(struct pp_hwmgr *hwmgr,
669                               SMU71_Discrete_DpmTable *table)
670 {
671           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
672           uint32_t count;
673           int result;
674 
675           table->MvddLevelCount = data->mvdd_voltage_table.count;
676 
677           for (count = 0; count < table->VddciLevelCount; count++) {
678                     result = iceland_populate_smc_voltage_table(hwmgr,
679                                         &(data->mvdd_voltage_table.entries[count]),
680                                         &table->MvddLevel[count]);
681                     PP_ASSERT_WITH_CODE(result == 0, "do not populate SMC mvdd voltage table", return -EINVAL);
682                     if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control)
683                               table->MvddLevel[count].Smio |= data->mvdd_voltage_table.entries[count].smio_low;
684                     else
685                               table->MvddLevel[count].Smio |= 0;
686           }
687 
688           CONVERT_FROM_HOST_TO_SMC_UL(table->MvddLevelCount);
689 
690           return 0;
691 }
692 
693 
iceland_populate_smc_voltage_tables(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * table)694 static int iceland_populate_smc_voltage_tables(struct pp_hwmgr *hwmgr,
695           SMU71_Discrete_DpmTable *table)
696 {
697           int result;
698 
699           result = iceland_populate_smc_vddc_table(hwmgr, table);
700           PP_ASSERT_WITH_CODE(0 == result,
701                               "can not populate VDDC voltage table to SMC", return -EINVAL);
702 
703           result = iceland_populate_smc_vdd_ci_table(hwmgr, table);
704           PP_ASSERT_WITH_CODE(0 == result,
705                               "can not populate VDDCI voltage table to SMC", return -EINVAL);
706 
707           result = iceland_populate_smc_mvdd_table(hwmgr, table);
708           PP_ASSERT_WITH_CODE(0 == result,
709                               "can not populate MVDD voltage table to SMC", return -EINVAL);
710 
711           return 0;
712 }
713 
iceland_populate_ulv_level(struct pp_hwmgr * hwmgr,struct SMU71_Discrete_Ulv * state)714 static int iceland_populate_ulv_level(struct pp_hwmgr *hwmgr,
715                     struct SMU71_Discrete_Ulv *state)
716 {
717           uint32_t voltage_response_time, ulv_voltage;
718           int result;
719           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
720 
721           state->CcPwrDynRm = 0;
722           state->CcPwrDynRm1 = 0;
723 
724           result = pp_tables_get_response_times(hwmgr, &voltage_response_time, &ulv_voltage);
725           PP_ASSERT_WITH_CODE((0 == result), "can not get ULV voltage value", return result;);
726 
727           if (ulv_voltage == 0) {
728                     data->ulv_supported = false;
729                     return 0;
730           }
731 
732           if (data->voltage_control != SMU7_VOLTAGE_CONTROL_BY_SVID2) {
733                     /* use minimum voltage if ulv voltage in pptable is bigger than minimum voltage */
734                     if (ulv_voltage > hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v)
735                               state->VddcOffset = 0;
736                     else
737                               /* used in SMIO Mode. not implemented for now. this is backup only for CI. */
738                               state->VddcOffset = (uint16_t)(hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v - ulv_voltage);
739           } else {
740                     /* use minimum voltage if ulv voltage in pptable is bigger than minimum voltage */
741                     if (ulv_voltage > hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v)
742                               state->VddcOffsetVid = 0;
743                     else  /* used in SVI2 Mode */
744                               state->VddcOffsetVid = (uint8_t)(
745                                                   (hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v - ulv_voltage)
746                                                             * VOLTAGE_VID_OFFSET_SCALE2
747                                                             / VOLTAGE_VID_OFFSET_SCALE1);
748           }
749           state->VddcPhase = 1;
750 
751           CONVERT_FROM_HOST_TO_SMC_UL(state->CcPwrDynRm);
752           CONVERT_FROM_HOST_TO_SMC_UL(state->CcPwrDynRm1);
753           CONVERT_FROM_HOST_TO_SMC_US(state->VddcOffset);
754 
755           return 0;
756 }
757 
iceland_populate_ulv_state(struct pp_hwmgr * hwmgr,SMU71_Discrete_Ulv * ulv_level)758 static int iceland_populate_ulv_state(struct pp_hwmgr *hwmgr,
759                      SMU71_Discrete_Ulv *ulv_level)
760 {
761           return iceland_populate_ulv_level(hwmgr, ulv_level);
762 }
763 
iceland_populate_smc_link_level(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * table)764 static int iceland_populate_smc_link_level(struct pp_hwmgr *hwmgr, SMU71_Discrete_DpmTable *table)
765 {
766           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
767           struct smu7_dpm_table *dpm_table = &data->dpm_table;
768           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
769           uint32_t i;
770 
771           /* Index (dpm_table->pcie_speed_table.count) is reserved for PCIE boot level. */
772           for (i = 0; i <= dpm_table->pcie_speed_table.count; i++) {
773                     table->LinkLevel[i].PcieGenSpeed  =
774                               (uint8_t)dpm_table->pcie_speed_table.dpm_levels[i].value;
775                     table->LinkLevel[i].PcieLaneCount =
776                               (uint8_t)encode_pcie_lane_width(dpm_table->pcie_speed_table.dpm_levels[i].param1);
777                     table->LinkLevel[i].EnabledForActivity =
778                               1;
779                     table->LinkLevel[i].SPC =
780                               (uint8_t)(data->pcie_spc_cap & 0xff);
781                     table->LinkLevel[i].DownThreshold =
782                               PP_HOST_TO_SMC_UL(5);
783                     table->LinkLevel[i].UpThreshold =
784                               PP_HOST_TO_SMC_UL(30);
785           }
786 
787           smu_data->smc_state_table.LinkLevelCount =
788                     (uint8_t)dpm_table->pcie_speed_table.count;
789           data->dpm_level_enable_mask.pcie_dpm_enable_mask =
790                     phm_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table);
791 
792           return 0;
793 }
794 
iceland_calculate_sclk_params(struct pp_hwmgr * hwmgr,uint32_t engine_clock,SMU71_Discrete_GraphicsLevel * sclk)795 static int iceland_calculate_sclk_params(struct pp_hwmgr *hwmgr,
796                     uint32_t engine_clock, SMU71_Discrete_GraphicsLevel *sclk)
797 {
798           const struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
799           pp_atomctrl_clock_dividers_vi dividers;
800           uint32_t spll_func_cntl            = data->clock_registers.vCG_SPLL_FUNC_CNTL;
801           uint32_t spll_func_cntl_3          = data->clock_registers.vCG_SPLL_FUNC_CNTL_3;
802           uint32_t spll_func_cntl_4          = data->clock_registers.vCG_SPLL_FUNC_CNTL_4;
803           uint32_t cg_spll_spread_spectrum   = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM;
804           uint32_t cg_spll_spread_spectrum_2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2;
805           uint32_t    reference_clock;
806           uint32_t reference_divider;
807           uint32_t fbdiv;
808           int result;
809 
810           /* get the engine clock dividers for this clock value*/
811           result = atomctrl_get_engine_pll_dividers_vi(hwmgr, engine_clock,  &dividers);
812 
813           PP_ASSERT_WITH_CODE(result == 0,
814                     "Error retrieving Engine Clock dividers from VBIOS.", return result);
815 
816           /* To get FBDIV we need to multiply this by 16384 and divide it by Fref.*/
817           reference_clock = atomctrl_get_reference_clock(hwmgr);
818 
819           reference_divider = 1 + dividers.uc_pll_ref_div;
820 
821           /* low 14 bits is fraction and high 12 bits is divider*/
822           fbdiv = dividers.ul_fb_div.ul_fb_divider & 0x3FFFFFF;
823 
824           /* SPLL_FUNC_CNTL setup*/
825           spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
826                     CG_SPLL_FUNC_CNTL, SPLL_REF_DIV, dividers.uc_pll_ref_div);
827           spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
828                     CG_SPLL_FUNC_CNTL, SPLL_PDIV_A,  dividers.uc_pll_post_div);
829 
830           /* SPLL_FUNC_CNTL_3 setup*/
831           spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3,
832                     CG_SPLL_FUNC_CNTL_3, SPLL_FB_DIV, fbdiv);
833 
834           /* set to use fractional accumulation*/
835           spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3,
836                     CG_SPLL_FUNC_CNTL_3, SPLL_DITHEN, 1);
837 
838           if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
839                               PHM_PlatformCaps_EngineSpreadSpectrumSupport)) {
840                     pp_atomctrl_internal_ss_info ss_info;
841 
842                     uint32_t vcoFreq = engine_clock * dividers.uc_pll_post_div;
843                     if (0 == atomctrl_get_engine_clock_spread_spectrum(hwmgr, vcoFreq, &ss_info)) {
844                               /*
845                               * ss_info.speed_spectrum_percentage -- in unit of 0.01%
846                               * ss_info.speed_spectrum_rate -- in unit of khz
847                               */
848                               /* clks = reference_clock * 10 / (REFDIV + 1) / speed_spectrum_rate / 2 */
849                               uint32_t clkS = reference_clock * 5 / (reference_divider * ss_info.speed_spectrum_rate);
850 
851                               /* clkv = 2 * D * fbdiv / NS */
852                               uint32_t clkV = 4 * ss_info.speed_spectrum_percentage * fbdiv / (clkS * 10000);
853 
854                               cg_spll_spread_spectrum =
855                                         PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, CLKS, clkS);
856                               cg_spll_spread_spectrum =
857                                         PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, SSEN, 1);
858                               cg_spll_spread_spectrum_2 =
859                                         PHM_SET_FIELD(cg_spll_spread_spectrum_2, CG_SPLL_SPREAD_SPECTRUM_2, CLKV, clkV);
860                     }
861           }
862 
863           sclk->SclkFrequency        = engine_clock;
864           sclk->CgSpllFuncCntl3      = spll_func_cntl_3;
865           sclk->CgSpllFuncCntl4      = spll_func_cntl_4;
866           sclk->SpllSpreadSpectrum   = cg_spll_spread_spectrum;
867           sclk->SpllSpreadSpectrum2  = cg_spll_spread_spectrum_2;
868           sclk->SclkDid              = (uint8_t)dividers.pll_post_divider;
869 
870           return 0;
871 }
872 
iceland_populate_phase_value_based_on_sclk(struct pp_hwmgr * hwmgr,const struct phm_phase_shedding_limits_table * pl,uint32_t sclk,uint32_t * p_shed)873 static int iceland_populate_phase_value_based_on_sclk(struct pp_hwmgr *hwmgr,
874                                         const struct phm_phase_shedding_limits_table *pl,
875                                                   uint32_t sclk, uint32_t *p_shed)
876 {
877           unsigned int i;
878 
879           /* use the minimum phase shedding */
880           *p_shed = 1;
881 
882           for (i = 0; i < pl->count; i++) {
883                     if (sclk < pl->entries[i].Sclk) {
884                               *p_shed = i;
885                               break;
886                     }
887           }
888           return 0;
889 }
890 
iceland_populate_single_graphic_level(struct pp_hwmgr * hwmgr,uint32_t engine_clock,SMU71_Discrete_GraphicsLevel * graphic_level)891 static int iceland_populate_single_graphic_level(struct pp_hwmgr *hwmgr,
892                                                             uint32_t engine_clock,
893                                         SMU71_Discrete_GraphicsLevel *graphic_level)
894 {
895           int result;
896           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
897 
898           result = iceland_calculate_sclk_params(hwmgr, engine_clock, graphic_level);
899 
900           /* populate graphics levels*/
901           result = iceland_get_dependency_volt_by_clk(hwmgr,
902                     hwmgr->dyn_state.vddc_dependency_on_sclk, engine_clock,
903                     &graphic_level->MinVddc);
904           PP_ASSERT_WITH_CODE((0 == result),
905                     "can not find VDDC voltage value for VDDC engine clock dependency table", return result);
906 
907           /* SCLK frequency in units of 10KHz*/
908           graphic_level->SclkFrequency = engine_clock;
909           graphic_level->MinVddcPhases = 1;
910 
911           if (data->vddc_phase_shed_control)
912                     iceland_populate_phase_value_based_on_sclk(hwmgr,
913                                         hwmgr->dyn_state.vddc_phase_shed_limits_table,
914                                         engine_clock,
915                                         &graphic_level->MinVddcPhases);
916 
917           /* Indicates maximum activity level for this performance level. 50% for now*/
918           graphic_level->ActivityLevel = data->current_profile_setting.sclk_activity;
919 
920           graphic_level->CcPwrDynRm = 0;
921           graphic_level->CcPwrDynRm1 = 0;
922           /* this level can be used if activity is high enough.*/
923           graphic_level->EnabledForActivity = 0;
924           /* this level can be used for throttling.*/
925           graphic_level->EnabledForThrottle = 1;
926           graphic_level->UpHyst = data->current_profile_setting.sclk_up_hyst;
927           graphic_level->DownHyst = data->current_profile_setting.sclk_down_hyst;
928           graphic_level->VoltageDownHyst = 0;
929           graphic_level->PowerThrottle = 0;
930 
931           data->display_timing.min_clock_in_sr =
932                               hwmgr->display_config->min_core_set_clock_in_sr;
933 
934           if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
935                               PHM_PlatformCaps_SclkDeepSleep))
936                     graphic_level->DeepSleepDivId =
937                                         smu7_get_sleep_divider_id_from_clock(engine_clock,
938                                                             data->display_timing.min_clock_in_sr);
939 
940           /* Default to slow, highest DPM level will be set to PPSMC_DISPLAY_WATERMARK_LOW later.*/
941           graphic_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
942 
943           if (0 == result) {
944                     graphic_level->MinVddc = PP_HOST_TO_SMC_UL(graphic_level->MinVddc * VOLTAGE_SCALE);
945                     CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->MinVddcPhases);
946                     CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SclkFrequency);
947                     CONVERT_FROM_HOST_TO_SMC_US(graphic_level->ActivityLevel);
948                     CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl3);
949                     CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl4);
950                     CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum);
951                     CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum2);
952                     CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm);
953                     CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm1);
954           }
955 
956           return result;
957 }
958 
iceland_populate_all_graphic_levels(struct pp_hwmgr * hwmgr)959 static int iceland_populate_all_graphic_levels(struct pp_hwmgr *hwmgr)
960 {
961           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
962           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
963           struct smu7_dpm_table *dpm_table = &data->dpm_table;
964           uint32_t level_array_adress = smu_data->smu7_data.dpm_table_start +
965                                         offsetof(SMU71_Discrete_DpmTable, GraphicsLevel);
966 
967           uint32_t level_array_size = sizeof(SMU71_Discrete_GraphicsLevel) *
968                                                             SMU71_MAX_LEVELS_GRAPHICS;
969 
970           SMU71_Discrete_GraphicsLevel *levels = smu_data->smc_state_table.GraphicsLevel;
971 
972           uint32_t i;
973           uint8_t highest_pcie_level_enabled = 0;
974           uint8_t lowest_pcie_level_enabled = 0, mid_pcie_level_enabled = 0;
975           uint8_t count = 0;
976           int result = 0;
977 
978           memset(levels, 0x00, level_array_size);
979 
980           for (i = 0; i < dpm_table->sclk_table.count; i++) {
981                     result = iceland_populate_single_graphic_level(hwmgr,
982                                                   dpm_table->sclk_table.dpm_levels[i].value,
983                                                   &(smu_data->smc_state_table.GraphicsLevel[i]));
984                     if (result != 0)
985                               return result;
986 
987                     /* Making sure only DPM level 0-1 have Deep Sleep Div ID populated. */
988                     if (i > 1)
989                               smu_data->smc_state_table.GraphicsLevel[i].DeepSleepDivId = 0;
990           }
991 
992           /* Only enable level 0 for now. */
993           smu_data->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1;
994 
995           /* set highest level watermark to high */
996           if (dpm_table->sclk_table.count > 1)
997                     smu_data->smc_state_table.GraphicsLevel[dpm_table->sclk_table.count-1].DisplayWatermark =
998                               PPSMC_DISPLAY_WATERMARK_HIGH;
999 
1000           smu_data->smc_state_table.GraphicsDpmLevelCount =
1001                     (uint8_t)dpm_table->sclk_table.count;
1002           data->dpm_level_enable_mask.sclk_dpm_enable_mask =
1003                     phm_get_dpm_level_enable_mask_value(&dpm_table->sclk_table);
1004 
1005           while ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
1006                                         (1 << (highest_pcie_level_enabled + 1))) != 0) {
1007                     highest_pcie_level_enabled++;
1008           }
1009 
1010           while ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
1011                     (1 << lowest_pcie_level_enabled)) == 0) {
1012                     lowest_pcie_level_enabled++;
1013           }
1014 
1015           while ((count < highest_pcie_level_enabled) &&
1016                               ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
1017                                         (1 << (lowest_pcie_level_enabled + 1 + count))) == 0)) {
1018                     count++;
1019           }
1020 
1021           mid_pcie_level_enabled = (lowest_pcie_level_enabled+1+count) < highest_pcie_level_enabled ?
1022                     (lowest_pcie_level_enabled+1+count) : highest_pcie_level_enabled;
1023 
1024 
1025           /* set pcieDpmLevel to highest_pcie_level_enabled*/
1026           for (i = 2; i < dpm_table->sclk_table.count; i++) {
1027                     smu_data->smc_state_table.GraphicsLevel[i].pcieDpmLevel = highest_pcie_level_enabled;
1028           }
1029 
1030           /* set pcieDpmLevel to lowest_pcie_level_enabled*/
1031           smu_data->smc_state_table.GraphicsLevel[0].pcieDpmLevel = lowest_pcie_level_enabled;
1032 
1033           /* set pcieDpmLevel to mid_pcie_level_enabled*/
1034           smu_data->smc_state_table.GraphicsLevel[1].pcieDpmLevel = mid_pcie_level_enabled;
1035 
1036           /* level count will send to smc once at init smc table and never change*/
1037           result = smu7_copy_bytes_to_smc(hwmgr, level_array_adress,
1038                                         (uint8_t *)levels, (uint32_t)level_array_size,
1039                                                                                 SMC_RAM_END);
1040 
1041           return result;
1042 }
1043 
iceland_calculate_mclk_params(struct pp_hwmgr * hwmgr,uint32_t memory_clock,SMU71_Discrete_MemoryLevel * mclk,bool strobe_mode,bool dllStateOn)1044 static int iceland_calculate_mclk_params(
1045                     struct pp_hwmgr *hwmgr,
1046                     uint32_t memory_clock,
1047                     SMU71_Discrete_MemoryLevel *mclk,
1048                     bool strobe_mode,
1049                     bool dllStateOn
1050                     )
1051 {
1052           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1053 
1054           uint32_t  dll_cntl = data->clock_registers.vDLL_CNTL;
1055           uint32_t  mclk_pwrmgt_cntl = data->clock_registers.vMCLK_PWRMGT_CNTL;
1056           uint32_t  mpll_ad_func_cntl = data->clock_registers.vMPLL_AD_FUNC_CNTL;
1057           uint32_t  mpll_dq_func_cntl = data->clock_registers.vMPLL_DQ_FUNC_CNTL;
1058           uint32_t  mpll_func_cntl = data->clock_registers.vMPLL_FUNC_CNTL;
1059           uint32_t  mpll_func_cntl_1 = data->clock_registers.vMPLL_FUNC_CNTL_1;
1060           uint32_t  mpll_func_cntl_2 = data->clock_registers.vMPLL_FUNC_CNTL_2;
1061           uint32_t  mpll_ss1 = data->clock_registers.vMPLL_SS1;
1062           uint32_t  mpll_ss2 = data->clock_registers.vMPLL_SS2;
1063 
1064           pp_atomctrl_memory_clock_param mpll_param;
1065           int result;
1066 
1067           result = atomctrl_get_memory_pll_dividers_si(hwmgr,
1068                                         memory_clock, &mpll_param, strobe_mode);
1069           PP_ASSERT_WITH_CODE(0 == result,
1070                     "Error retrieving Memory Clock Parameters from VBIOS.", return result);
1071 
1072           /* MPLL_FUNC_CNTL setup*/
1073           mpll_func_cntl = PHM_SET_FIELD(mpll_func_cntl, MPLL_FUNC_CNTL, BWCTRL, mpll_param.bw_ctrl);
1074 
1075           /* MPLL_FUNC_CNTL_1 setup*/
1076           mpll_func_cntl_1  = PHM_SET_FIELD(mpll_func_cntl_1,
1077                                                                       MPLL_FUNC_CNTL_1, CLKF, mpll_param.mpll_fb_divider.cl_kf);
1078           mpll_func_cntl_1  = PHM_SET_FIELD(mpll_func_cntl_1,
1079                                                                       MPLL_FUNC_CNTL_1, CLKFRAC, mpll_param.mpll_fb_divider.clk_frac);
1080           mpll_func_cntl_1  = PHM_SET_FIELD(mpll_func_cntl_1,
1081                                                                       MPLL_FUNC_CNTL_1, VCO_MODE, mpll_param.vco_mode);
1082 
1083           /* MPLL_AD_FUNC_CNTL setup*/
1084           mpll_ad_func_cntl = PHM_SET_FIELD(mpll_ad_func_cntl,
1085                                                                       MPLL_AD_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider);
1086 
1087           if (data->is_memory_gddr5) {
1088                     /* MPLL_DQ_FUNC_CNTL setup*/
1089                     mpll_dq_func_cntl  = PHM_SET_FIELD(mpll_dq_func_cntl,
1090                                                                                 MPLL_DQ_FUNC_CNTL, YCLK_SEL, mpll_param.yclk_sel);
1091                     mpll_dq_func_cntl  = PHM_SET_FIELD(mpll_dq_func_cntl,
1092                                                                                 MPLL_DQ_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider);
1093           }
1094 
1095           if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
1096                               PHM_PlatformCaps_MemorySpreadSpectrumSupport)) {
1097                     /*
1098                      ************************************
1099                      Fref = Reference Frequency
1100                      NF = Feedback divider ratio
1101                      NR = Reference divider ratio
1102                      Fnom = Nominal VCO output frequency = Fref * NF / NR
1103                      Fs = Spreading Rate
1104                      D = Percentage down-spread / 2
1105                      Fint = Reference input frequency to PFD = Fref / NR
1106                      NS = Spreading rate divider ratio = int(Fint / (2 * Fs))
1107                      CLKS = NS - 1 = ISS_STEP_NUM[11:0]
1108                      NV = D * Fs / Fnom * 4 * ((Fnom/Fref * NR) ^ 2)
1109                      CLKV = 65536 * NV = ISS_STEP_SIZE[25:0]
1110                      *************************************
1111                      */
1112                     pp_atomctrl_internal_ss_info ss_info;
1113                     uint32_t freq_nom;
1114                     uint32_t tmp;
1115                     uint32_t reference_clock = atomctrl_get_mpll_reference_clock(hwmgr);
1116 
1117                     /* for GDDR5 for all modes and DDR3 */
1118                     if (1 == mpll_param.qdr)
1119                               freq_nom = memory_clock * 4 * (1 << mpll_param.mpll_post_divider);
1120                     else
1121                               freq_nom = memory_clock * 2 * (1 << mpll_param.mpll_post_divider);
1122 
1123                     /* tmp = (freq_nom / reference_clock * reference_divider) ^ 2  Note: S.I. reference_divider = 1*/
1124                     tmp = (freq_nom / reference_clock);
1125                     tmp = tmp * tmp;
1126 
1127                     if (0 == atomctrl_get_memory_clock_spread_spectrum(hwmgr, freq_nom, &ss_info)) {
1128                               /* ss_info.speed_spectrum_percentage -- in unit of 0.01% */
1129                               /* ss.Info.speed_spectrum_rate -- in unit of khz */
1130                               /* CLKS = reference_clock / (2 * speed_spectrum_rate * reference_divider) * 10 */
1131                               /*     = reference_clock * 5 / speed_spectrum_rate */
1132                               uint32_t clks = reference_clock * 5 / ss_info.speed_spectrum_rate;
1133 
1134                               /* CLKV = 65536 * speed_spectrum_percentage / 2 * spreadSpecrumRate / freq_nom * 4 / 100000 * ((freq_nom / reference_clock) ^ 2) */
1135                               /*     = 131 * speed_spectrum_percentage * speed_spectrum_rate / 100 * ((freq_nom / reference_clock) ^ 2) / freq_nom */
1136                               uint32_t clkv =
1137                                         (uint32_t)((((131 * ss_info.speed_spectrum_percentage *
1138                                                                       ss_info.speed_spectrum_rate) / 100) * tmp) / freq_nom);
1139 
1140                               mpll_ss1 = PHM_SET_FIELD(mpll_ss1, MPLL_SS1, CLKV, clkv);
1141                               mpll_ss2 = PHM_SET_FIELD(mpll_ss2, MPLL_SS2, CLKS, clks);
1142                     }
1143           }
1144 
1145           /* MCLK_PWRMGT_CNTL setup */
1146           mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
1147                     MCLK_PWRMGT_CNTL, DLL_SPEED, mpll_param.dll_speed);
1148           mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
1149                     MCLK_PWRMGT_CNTL, MRDCK0_PDNB, dllStateOn);
1150           mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
1151                     MCLK_PWRMGT_CNTL, MRDCK1_PDNB, dllStateOn);
1152 
1153 
1154           /* Save the result data to outpupt memory level structure */
1155           mclk->MclkFrequency   = memory_clock;
1156           mclk->MpllFuncCntl    = mpll_func_cntl;
1157           mclk->MpllFuncCntl_1  = mpll_func_cntl_1;
1158           mclk->MpllFuncCntl_2  = mpll_func_cntl_2;
1159           mclk->MpllAdFuncCntl  = mpll_ad_func_cntl;
1160           mclk->MpllDqFuncCntl  = mpll_dq_func_cntl;
1161           mclk->MclkPwrmgtCntl  = mclk_pwrmgt_cntl;
1162           mclk->DllCntl         = dll_cntl;
1163           mclk->MpllSs1         = mpll_ss1;
1164           mclk->MpllSs2         = mpll_ss2;
1165 
1166           return 0;
1167 }
1168 
iceland_get_mclk_frequency_ratio(uint32_t memory_clock,bool strobe_mode)1169 static uint8_t iceland_get_mclk_frequency_ratio(uint32_t memory_clock,
1170                     bool strobe_mode)
1171 {
1172           uint8_t mc_para_index;
1173 
1174           if (strobe_mode) {
1175                     if (memory_clock < 12500) {
1176                               mc_para_index = 0x00;
1177                     } else if (memory_clock > 47500) {
1178                               mc_para_index = 0x0f;
1179                     } else {
1180                               mc_para_index = (uint8_t)((memory_clock - 10000) / 2500);
1181                     }
1182           } else {
1183                     if (memory_clock < 65000) {
1184                               mc_para_index = 0x00;
1185                     } else if (memory_clock > 135000) {
1186                               mc_para_index = 0x0f;
1187                     } else {
1188                               mc_para_index = (uint8_t)((memory_clock - 60000) / 5000);
1189                     }
1190           }
1191 
1192           return mc_para_index;
1193 }
1194 
iceland_get_ddr3_mclk_frequency_ratio(uint32_t memory_clock)1195 static uint8_t iceland_get_ddr3_mclk_frequency_ratio(uint32_t memory_clock)
1196 {
1197           uint8_t mc_para_index;
1198 
1199           if (memory_clock < 10000) {
1200                     mc_para_index = 0;
1201           } else if (memory_clock >= 80000) {
1202                     mc_para_index = 0x0f;
1203           } else {
1204                     mc_para_index = (uint8_t)((memory_clock - 10000) / 5000 + 1);
1205           }
1206 
1207           return mc_para_index;
1208 }
1209 
iceland_populate_phase_value_based_on_mclk(struct pp_hwmgr * hwmgr,const struct phm_phase_shedding_limits_table * pl,uint32_t memory_clock,uint32_t * p_shed)1210 static int iceland_populate_phase_value_based_on_mclk(struct pp_hwmgr *hwmgr, const struct phm_phase_shedding_limits_table *pl,
1211                                                   uint32_t memory_clock, uint32_t *p_shed)
1212 {
1213           unsigned int i;
1214 
1215           *p_shed = 1;
1216 
1217           for (i = 0; i < pl->count; i++) {
1218                     if (memory_clock < pl->entries[i].Mclk) {
1219                               *p_shed = i;
1220                               break;
1221                     }
1222           }
1223 
1224           return 0;
1225 }
1226 
iceland_populate_single_memory_level(struct pp_hwmgr * hwmgr,uint32_t memory_clock,SMU71_Discrete_MemoryLevel * memory_level)1227 static int iceland_populate_single_memory_level(
1228                     struct pp_hwmgr *hwmgr,
1229                     uint32_t memory_clock,
1230                     SMU71_Discrete_MemoryLevel *memory_level
1231                     )
1232 {
1233           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1234           int result = 0;
1235           bool dll_state_on;
1236           uint32_t mclk_edc_wr_enable_threshold = 40000;
1237           uint32_t mclk_edc_enable_threshold = 40000;
1238           uint32_t mclk_strobe_mode_threshold = 40000;
1239 
1240           if (hwmgr->dyn_state.vddc_dependency_on_mclk != NULL) {
1241                     result = iceland_get_dependency_volt_by_clk(hwmgr,
1242                               hwmgr->dyn_state.vddc_dependency_on_mclk, memory_clock, &memory_level->MinVddc);
1243                     PP_ASSERT_WITH_CODE((0 == result),
1244                               "can not find MinVddc voltage value from memory VDDC voltage dependency table", return result);
1245           }
1246 
1247           if (data->vddci_control == SMU7_VOLTAGE_CONTROL_NONE) {
1248                     memory_level->MinVddci = memory_level->MinVddc;
1249           } else if (NULL != hwmgr->dyn_state.vddci_dependency_on_mclk) {
1250                     result = iceland_get_dependency_volt_by_clk(hwmgr,
1251                                         hwmgr->dyn_state.vddci_dependency_on_mclk,
1252                                         memory_clock,
1253                                         &memory_level->MinVddci);
1254                     PP_ASSERT_WITH_CODE((0 == result),
1255                               "can not find MinVddci voltage value from memory VDDCI voltage dependency table", return result);
1256           }
1257 
1258           memory_level->MinVddcPhases = 1;
1259 
1260           if (data->vddc_phase_shed_control) {
1261                     iceland_populate_phase_value_based_on_mclk(hwmgr, hwmgr->dyn_state.vddc_phase_shed_limits_table,
1262                                         memory_clock, &memory_level->MinVddcPhases);
1263           }
1264 
1265           memory_level->EnabledForThrottle = 1;
1266           memory_level->EnabledForActivity = 0;
1267           memory_level->UpHyst = data->current_profile_setting.mclk_up_hyst;
1268           memory_level->DownHyst = data->current_profile_setting.mclk_down_hyst;
1269           memory_level->VoltageDownHyst = 0;
1270 
1271           /* Indicates maximum activity level for this performance level.*/
1272           memory_level->ActivityLevel = data->current_profile_setting.mclk_activity;
1273           memory_level->StutterEnable = 0;
1274           memory_level->StrobeEnable = 0;
1275           memory_level->EdcReadEnable = 0;
1276           memory_level->EdcWriteEnable = 0;
1277           memory_level->RttEnable = 0;
1278 
1279           /* default set to low watermark. Highest level will be set to high later.*/
1280           memory_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
1281 
1282           data->display_timing.num_existing_displays = hwmgr->display_config->num_display;
1283 
1284           /* stutter mode not support on iceland */
1285 
1286           /* decide strobe mode*/
1287           memory_level->StrobeEnable = (mclk_strobe_mode_threshold != 0) &&
1288                     (memory_clock <= mclk_strobe_mode_threshold);
1289 
1290           /* decide EDC mode and memory clock ratio*/
1291           if (data->is_memory_gddr5) {
1292                     memory_level->StrobeRatio = iceland_get_mclk_frequency_ratio(memory_clock,
1293                                                   memory_level->StrobeEnable);
1294 
1295                     if ((mclk_edc_enable_threshold != 0) &&
1296                                         (memory_clock > mclk_edc_enable_threshold)) {
1297                               memory_level->EdcReadEnable = 1;
1298                     }
1299 
1300                     if ((mclk_edc_wr_enable_threshold != 0) &&
1301                                         (memory_clock > mclk_edc_wr_enable_threshold)) {
1302                               memory_level->EdcWriteEnable = 1;
1303                     }
1304 
1305                     if (memory_level->StrobeEnable) {
1306                               if (iceland_get_mclk_frequency_ratio(memory_clock, 1) >=
1307                                                   ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC7) >> 16) & 0xf))
1308                                         dll_state_on = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0;
1309                               else
1310                                         dll_state_on = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC6) >> 1) & 0x1) ? 1 : 0;
1311                     } else
1312                               dll_state_on = data->dll_default_on;
1313           } else {
1314                     memory_level->StrobeRatio =
1315                               iceland_get_ddr3_mclk_frequency_ratio(memory_clock);
1316                     dll_state_on = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0;
1317           }
1318 
1319           result = iceland_calculate_mclk_params(hwmgr,
1320                     memory_clock, memory_level, memory_level->StrobeEnable, dll_state_on);
1321 
1322           if (0 == result) {
1323                     memory_level->MinVddc = PP_HOST_TO_SMC_UL(memory_level->MinVddc * VOLTAGE_SCALE);
1324                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MinVddcPhases);
1325                     memory_level->MinVddci = PP_HOST_TO_SMC_UL(memory_level->MinVddci * VOLTAGE_SCALE);
1326                     memory_level->MinMvdd = PP_HOST_TO_SMC_UL(memory_level->MinMvdd * VOLTAGE_SCALE);
1327                     /* MCLK frequency in units of 10KHz*/
1328                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkFrequency);
1329                     /* Indicates maximum activity level for this performance level.*/
1330                     CONVERT_FROM_HOST_TO_SMC_US(memory_level->ActivityLevel);
1331                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl);
1332                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_1);
1333                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_2);
1334                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllAdFuncCntl);
1335                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllDqFuncCntl);
1336                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkPwrmgtCntl);
1337                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->DllCntl);
1338                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs1);
1339                     CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs2);
1340           }
1341 
1342           return result;
1343 }
1344 
iceland_populate_all_memory_levels(struct pp_hwmgr * hwmgr)1345 static int iceland_populate_all_memory_levels(struct pp_hwmgr *hwmgr)
1346 {
1347           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1348           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
1349           struct smu7_dpm_table *dpm_table = &data->dpm_table;
1350           int result;
1351 
1352           /* populate MCLK dpm table to SMU7 */
1353           uint32_t level_array_adress = smu_data->smu7_data.dpm_table_start + offsetof(SMU71_Discrete_DpmTable, MemoryLevel);
1354           uint32_t level_array_size = sizeof(SMU71_Discrete_MemoryLevel) * SMU71_MAX_LEVELS_MEMORY;
1355           SMU71_Discrete_MemoryLevel *levels = smu_data->smc_state_table.MemoryLevel;
1356           uint32_t i;
1357 
1358           memset(levels, 0x00, level_array_size);
1359 
1360           for (i = 0; i < dpm_table->mclk_table.count; i++) {
1361                     PP_ASSERT_WITH_CODE((0 != dpm_table->mclk_table.dpm_levels[i].value),
1362                               "can not populate memory level as memory clock is zero", return -EINVAL);
1363                     result = iceland_populate_single_memory_level(hwmgr, dpm_table->mclk_table.dpm_levels[i].value,
1364                               &(smu_data->smc_state_table.MemoryLevel[i]));
1365                     if (0 != result) {
1366                               return result;
1367                     }
1368           }
1369 
1370           /* Only enable level 0 for now.*/
1371           smu_data->smc_state_table.MemoryLevel[0].EnabledForActivity = 1;
1372 
1373           /*
1374           * in order to prevent MC activity from stutter mode to push DPM up.
1375           * the UVD change complements this by putting the MCLK in a higher state
1376           * by default such that we are not effected by up threshold or and MCLK DPM latency.
1377           */
1378           smu_data->smc_state_table.MemoryLevel[0].ActivityLevel = 0x1F;
1379           CONVERT_FROM_HOST_TO_SMC_US(smu_data->smc_state_table.MemoryLevel[0].ActivityLevel);
1380 
1381           smu_data->smc_state_table.MemoryDpmLevelCount = (uint8_t)dpm_table->mclk_table.count;
1382           data->dpm_level_enable_mask.mclk_dpm_enable_mask = phm_get_dpm_level_enable_mask_value(&dpm_table->mclk_table);
1383           /* set highest level watermark to high*/
1384           smu_data->smc_state_table.MemoryLevel[dpm_table->mclk_table.count-1].DisplayWatermark = PPSMC_DISPLAY_WATERMARK_HIGH;
1385 
1386           /* level count will send to smc once at init smc table and never change*/
1387           result = smu7_copy_bytes_to_smc(hwmgr,
1388                     level_array_adress, (uint8_t *)levels, (uint32_t)level_array_size,
1389                     SMC_RAM_END);
1390 
1391           return result;
1392 }
1393 
iceland_populate_mvdd_value(struct pp_hwmgr * hwmgr,uint32_t mclk,SMU71_Discrete_VoltageLevel * voltage)1394 static int iceland_populate_mvdd_value(struct pp_hwmgr *hwmgr, uint32_t mclk,
1395                                                   SMU71_Discrete_VoltageLevel *voltage)
1396 {
1397           const struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1398 
1399           uint32_t i = 0;
1400 
1401           if (SMU7_VOLTAGE_CONTROL_NONE != data->mvdd_control) {
1402                     /* find mvdd value which clock is more than request */
1403                     for (i = 0; i < hwmgr->dyn_state.mvdd_dependency_on_mclk->count; i++) {
1404                               if (mclk <= hwmgr->dyn_state.mvdd_dependency_on_mclk->entries[i].clk) {
1405                                         /* Always round to higher voltage. */
1406                                         voltage->Voltage = data->mvdd_voltage_table.entries[i].value;
1407                                         break;
1408                               }
1409                     }
1410 
1411                     PP_ASSERT_WITH_CODE(i < hwmgr->dyn_state.mvdd_dependency_on_mclk->count,
1412                               "MVDD Voltage is outside the supported range.", return -EINVAL);
1413 
1414           } else {
1415                     return -EINVAL;
1416           }
1417 
1418           return 0;
1419 }
1420 
iceland_populate_smc_acpi_level(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * table)1421 static int iceland_populate_smc_acpi_level(struct pp_hwmgr *hwmgr,
1422           SMU71_Discrete_DpmTable *table)
1423 {
1424           int result = 0;
1425           const struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1426           struct pp_atomctrl_clock_dividers_vi dividers;
1427           uint32_t vddc_phase_shed_control = 0;
1428 
1429           SMU71_Discrete_VoltageLevel voltage_level;
1430           uint32_t spll_func_cntl    = data->clock_registers.vCG_SPLL_FUNC_CNTL;
1431           uint32_t spll_func_cntl_2  = data->clock_registers.vCG_SPLL_FUNC_CNTL_2;
1432           uint32_t dll_cntl          = data->clock_registers.vDLL_CNTL;
1433           uint32_t mclk_pwrmgt_cntl  = data->clock_registers.vMCLK_PWRMGT_CNTL;
1434 
1435 
1436           /* The ACPI state should not do DPM on DC (or ever).*/
1437           table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC;
1438 
1439           if (data->acpi_vddc)
1440                     table->ACPILevel.MinVddc = PP_HOST_TO_SMC_UL(data->acpi_vddc * VOLTAGE_SCALE);
1441           else
1442                     table->ACPILevel.MinVddc = PP_HOST_TO_SMC_UL(data->min_vddc_in_pptable * VOLTAGE_SCALE);
1443 
1444           table->ACPILevel.MinVddcPhases = vddc_phase_shed_control ? 0 : 1;
1445           /* assign zero for now*/
1446           table->ACPILevel.SclkFrequency = atomctrl_get_reference_clock(hwmgr);
1447 
1448           /* get the engine clock dividers for this clock value*/
1449           result = atomctrl_get_engine_pll_dividers_vi(hwmgr,
1450                     table->ACPILevel.SclkFrequency,  &dividers);
1451 
1452           PP_ASSERT_WITH_CODE(result == 0,
1453                     "Error retrieving Engine Clock dividers from VBIOS.", return result);
1454 
1455           /* divider ID for required SCLK*/
1456           table->ACPILevel.SclkDid = (uint8_t)dividers.pll_post_divider;
1457           table->ACPILevel.DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
1458           table->ACPILevel.DeepSleepDivId = 0;
1459 
1460           spll_func_cntl      = PHM_SET_FIELD(spll_func_cntl,
1461                                                                       CG_SPLL_FUNC_CNTL,   SPLL_PWRON,     0);
1462           spll_func_cntl      = PHM_SET_FIELD(spll_func_cntl,
1463                                                                       CG_SPLL_FUNC_CNTL,   SPLL_RESET,     1);
1464           spll_func_cntl_2    = PHM_SET_FIELD(spll_func_cntl_2,
1465                                                                       CG_SPLL_FUNC_CNTL_2, SCLK_MUX_SEL,   4);
1466 
1467           table->ACPILevel.CgSpllFuncCntl = spll_func_cntl;
1468           table->ACPILevel.CgSpllFuncCntl2 = spll_func_cntl_2;
1469           table->ACPILevel.CgSpllFuncCntl3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3;
1470           table->ACPILevel.CgSpllFuncCntl4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4;
1471           table->ACPILevel.SpllSpreadSpectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM;
1472           table->ACPILevel.SpllSpreadSpectrum2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2;
1473           table->ACPILevel.CcPwrDynRm = 0;
1474           table->ACPILevel.CcPwrDynRm1 = 0;
1475 
1476 
1477           /* For various features to be enabled/disabled while this level is active.*/
1478           CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.Flags);
1479           /* SCLK frequency in units of 10KHz*/
1480           CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SclkFrequency);
1481           CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl);
1482           CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl2);
1483           CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl3);
1484           CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl4);
1485           CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum);
1486           CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum2);
1487           CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm);
1488           CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm1);
1489 
1490           /* table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases;*/
1491           table->MemoryACPILevel.MinVddc = table->ACPILevel.MinVddc;
1492           table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases;
1493 
1494           if (SMU7_VOLTAGE_CONTROL_NONE == data->vddci_control)
1495                     table->MemoryACPILevel.MinVddci = table->MemoryACPILevel.MinVddc;
1496           else {
1497                     if (data->acpi_vddci != 0)
1498                               table->MemoryACPILevel.MinVddci = PP_HOST_TO_SMC_UL(data->acpi_vddci * VOLTAGE_SCALE);
1499                     else
1500                               table->MemoryACPILevel.MinVddci = PP_HOST_TO_SMC_UL(data->min_vddci_in_pptable * VOLTAGE_SCALE);
1501           }
1502 
1503           if (0 == iceland_populate_mvdd_value(hwmgr, 0, &voltage_level))
1504                     table->MemoryACPILevel.MinMvdd =
1505                               PP_HOST_TO_SMC_UL(voltage_level.Voltage * VOLTAGE_SCALE);
1506           else
1507                     table->MemoryACPILevel.MinMvdd = 0;
1508 
1509           /* Force reset on DLL*/
1510           mclk_pwrmgt_cntl    = PHM_SET_FIELD(mclk_pwrmgt_cntl,
1511                     MCLK_PWRMGT_CNTL, MRDCK0_RESET, 0x1);
1512           mclk_pwrmgt_cntl    = PHM_SET_FIELD(mclk_pwrmgt_cntl,
1513                     MCLK_PWRMGT_CNTL, MRDCK1_RESET, 0x1);
1514 
1515           /* Disable DLL in ACPIState*/
1516           mclk_pwrmgt_cntl    = PHM_SET_FIELD(mclk_pwrmgt_cntl,
1517                     MCLK_PWRMGT_CNTL, MRDCK0_PDNB, 0);
1518           mclk_pwrmgt_cntl    = PHM_SET_FIELD(mclk_pwrmgt_cntl,
1519                     MCLK_PWRMGT_CNTL, MRDCK1_PDNB, 0);
1520 
1521           /* Enable DLL bypass signal*/
1522           dll_cntl            = PHM_SET_FIELD(dll_cntl,
1523                     DLL_CNTL, MRDCK0_BYPASS, 0);
1524           dll_cntl            = PHM_SET_FIELD(dll_cntl,
1525                     DLL_CNTL, MRDCK1_BYPASS, 0);
1526 
1527           table->MemoryACPILevel.DllCntl            =
1528                     PP_HOST_TO_SMC_UL(dll_cntl);
1529           table->MemoryACPILevel.MclkPwrmgtCntl     =
1530                     PP_HOST_TO_SMC_UL(mclk_pwrmgt_cntl);
1531           table->MemoryACPILevel.MpllAdFuncCntl     =
1532                     PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_AD_FUNC_CNTL);
1533           table->MemoryACPILevel.MpllDqFuncCntl     =
1534                     PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_DQ_FUNC_CNTL);
1535           table->MemoryACPILevel.MpllFuncCntl       =
1536                     PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL);
1537           table->MemoryACPILevel.MpllFuncCntl_1     =
1538                     PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_1);
1539           table->MemoryACPILevel.MpllFuncCntl_2     =
1540                     PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_2);
1541           table->MemoryACPILevel.MpllSs1            =
1542                     PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS1);
1543           table->MemoryACPILevel.MpllSs2            =
1544                     PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS2);
1545 
1546           table->MemoryACPILevel.EnabledForThrottle = 0;
1547           table->MemoryACPILevel.EnabledForActivity = 0;
1548           table->MemoryACPILevel.UpHyst = 0;
1549           table->MemoryACPILevel.DownHyst = 100;
1550           table->MemoryACPILevel.VoltageDownHyst = 0;
1551           /* Indicates maximum activity level for this performance level.*/
1552           table->MemoryACPILevel.ActivityLevel = PP_HOST_TO_SMC_US(data->current_profile_setting.mclk_activity);
1553 
1554           table->MemoryACPILevel.StutterEnable = 0;
1555           table->MemoryACPILevel.StrobeEnable = 0;
1556           table->MemoryACPILevel.EdcReadEnable = 0;
1557           table->MemoryACPILevel.EdcWriteEnable = 0;
1558           table->MemoryACPILevel.RttEnable = 0;
1559 
1560           return result;
1561 }
1562 
iceland_populate_smc_uvd_level(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * table)1563 static int iceland_populate_smc_uvd_level(struct pp_hwmgr *hwmgr,
1564                                                   SMU71_Discrete_DpmTable *table)
1565 {
1566           return 0;
1567 }
1568 
iceland_populate_smc_vce_level(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * table)1569 static int iceland_populate_smc_vce_level(struct pp_hwmgr *hwmgr,
1570                     SMU71_Discrete_DpmTable *table)
1571 {
1572           return 0;
1573 }
1574 
iceland_populate_smc_acp_level(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * table)1575 static int iceland_populate_smc_acp_level(struct pp_hwmgr *hwmgr,
1576                     SMU71_Discrete_DpmTable *table)
1577 {
1578           return 0;
1579 }
1580 
iceland_populate_memory_timing_parameters(struct pp_hwmgr * hwmgr,uint32_t engine_clock,uint32_t memory_clock,struct SMU71_Discrete_MCArbDramTimingTableEntry * arb_regs)1581 static int iceland_populate_memory_timing_parameters(
1582                     struct pp_hwmgr *hwmgr,
1583                     uint32_t engine_clock,
1584                     uint32_t memory_clock,
1585                     struct SMU71_Discrete_MCArbDramTimingTableEntry *arb_regs
1586                     )
1587 {
1588           uint32_t dramTiming;
1589           uint32_t dramTiming2;
1590           uint32_t burstTime;
1591           int result;
1592 
1593           result = atomctrl_set_engine_dram_timings_rv770(hwmgr,
1594                                         engine_clock, memory_clock);
1595 
1596           PP_ASSERT_WITH_CODE(result == 0,
1597                     "Error calling VBIOS to set DRAM_TIMING.", return result);
1598 
1599           dramTiming  = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING);
1600           dramTiming2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2);
1601           burstTime = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0);
1602 
1603           arb_regs->McArbDramTiming  = PP_HOST_TO_SMC_UL(dramTiming);
1604           arb_regs->McArbDramTiming2 = PP_HOST_TO_SMC_UL(dramTiming2);
1605           arb_regs->McArbBurstTime = (uint8_t)burstTime;
1606 
1607           return 0;
1608 }
1609 
iceland_program_memory_timing_parameters(struct pp_hwmgr * hwmgr)1610 static int iceland_program_memory_timing_parameters(struct pp_hwmgr *hwmgr)
1611 {
1612           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1613           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
1614           int result = 0;
1615           SMU71_Discrete_MCArbDramTimingTable  arb_regs;
1616           uint32_t i, j;
1617 
1618           memset(&arb_regs, 0x00, sizeof(SMU71_Discrete_MCArbDramTimingTable));
1619 
1620           for (i = 0; i < data->dpm_table.sclk_table.count; i++) {
1621                     for (j = 0; j < data->dpm_table.mclk_table.count; j++) {
1622                               result = iceland_populate_memory_timing_parameters
1623                                         (hwmgr, data->dpm_table.sclk_table.dpm_levels[i].value,
1624                                          data->dpm_table.mclk_table.dpm_levels[j].value,
1625                                          &arb_regs.entries[i][j]);
1626 
1627                               if (0 != result) {
1628                                         break;
1629                               }
1630                     }
1631           }
1632 
1633           if (0 == result) {
1634                     result = smu7_copy_bytes_to_smc(
1635                                         hwmgr,
1636                                         smu_data->smu7_data.arb_table_start,
1637                                         (uint8_t *)&arb_regs,
1638                                         sizeof(SMU71_Discrete_MCArbDramTimingTable),
1639                                         SMC_RAM_END
1640                                         );
1641           }
1642 
1643           return result;
1644 }
1645 
iceland_populate_smc_boot_level(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * table)1646 static int iceland_populate_smc_boot_level(struct pp_hwmgr *hwmgr,
1647                               SMU71_Discrete_DpmTable *table)
1648 {
1649           int result = 0;
1650           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1651           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
1652           table->GraphicsBootLevel = 0;
1653           table->MemoryBootLevel = 0;
1654 
1655           /* find boot level from dpm table*/
1656           result = phm_find_boot_level(&(data->dpm_table.sclk_table),
1657                               data->vbios_boot_state.sclk_bootup_value,
1658                               (uint32_t *)&(smu_data->smc_state_table.GraphicsBootLevel));
1659 
1660           if (0 != result) {
1661                     smu_data->smc_state_table.GraphicsBootLevel = 0;
1662                     pr_err("VBIOS did not find boot engine clock value in dependency table. Using Graphics DPM level 0!\n");
1663                     result = 0;
1664           }
1665 
1666           result = phm_find_boot_level(&(data->dpm_table.mclk_table),
1667                     data->vbios_boot_state.mclk_bootup_value,
1668                     (uint32_t *)&(smu_data->smc_state_table.MemoryBootLevel));
1669 
1670           if (0 != result) {
1671                     smu_data->smc_state_table.MemoryBootLevel = 0;
1672                     pr_err("VBIOS did not find boot engine clock value in dependency table. Using Memory DPM level 0!\n");
1673                     result = 0;
1674           }
1675 
1676           table->BootVddc = data->vbios_boot_state.vddc_bootup_value;
1677           if (SMU7_VOLTAGE_CONTROL_NONE == data->vddci_control)
1678                     table->BootVddci = table->BootVddc;
1679           else
1680                     table->BootVddci = data->vbios_boot_state.vddci_bootup_value;
1681 
1682           table->BootMVdd = data->vbios_boot_state.mvdd_bootup_value;
1683 
1684           return result;
1685 }
1686 
iceland_populate_mc_reg_address(struct pp_hwmgr * hwmgr,SMU71_Discrete_MCRegisters * mc_reg_table)1687 static int iceland_populate_mc_reg_address(struct pp_hwmgr *hwmgr,
1688                                          SMU71_Discrete_MCRegisters *mc_reg_table)
1689 {
1690           const struct iceland_smumgr *smu_data = (struct iceland_smumgr *)hwmgr->smu_backend;
1691 
1692           uint32_t i, j;
1693 
1694           for (i = 0, j = 0; j < smu_data->mc_reg_table.last; j++) {
1695                     if (smu_data->mc_reg_table.validflag & 1<<j) {
1696                               PP_ASSERT_WITH_CODE(i < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE,
1697                                         "Index of mc_reg_table->address[] array out of boundary", return -EINVAL);
1698                               mc_reg_table->address[i].s0 =
1699                                         PP_HOST_TO_SMC_US(smu_data->mc_reg_table.mc_reg_address[j].s0);
1700                               mc_reg_table->address[i].s1 =
1701                                         PP_HOST_TO_SMC_US(smu_data->mc_reg_table.mc_reg_address[j].s1);
1702                               i++;
1703                     }
1704           }
1705 
1706           mc_reg_table->last = (uint8_t)i;
1707 
1708           return 0;
1709 }
1710 
1711 /*convert register values from driver to SMC format */
iceland_convert_mc_registers(const struct iceland_mc_reg_entry * entry,SMU71_Discrete_MCRegisterSet * data,uint32_t num_entries,uint32_t valid_flag)1712 static void iceland_convert_mc_registers(
1713           const struct iceland_mc_reg_entry *entry,
1714           SMU71_Discrete_MCRegisterSet *data,
1715           uint32_t num_entries, uint32_t valid_flag)
1716 {
1717           uint32_t i, j;
1718 
1719           for (i = 0, j = 0; j < num_entries; j++) {
1720                     if (valid_flag & 1<<j) {
1721                               data->value[i] = PP_HOST_TO_SMC_UL(entry->mc_data[j]);
1722                               i++;
1723                     }
1724           }
1725 }
1726 
iceland_convert_mc_reg_table_entry_to_smc(struct pp_hwmgr * hwmgr,const uint32_t memory_clock,SMU71_Discrete_MCRegisterSet * mc_reg_table_data)1727 static int iceland_convert_mc_reg_table_entry_to_smc(struct pp_hwmgr *hwmgr,
1728                     const uint32_t memory_clock,
1729                     SMU71_Discrete_MCRegisterSet *mc_reg_table_data
1730                     )
1731 {
1732           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
1733           uint32_t i = 0;
1734 
1735           for (i = 0; i < smu_data->mc_reg_table.num_entries; i++) {
1736                     if (memory_clock <=
1737                               smu_data->mc_reg_table.mc_reg_table_entry[i].mclk_max) {
1738                               break;
1739                     }
1740           }
1741 
1742           if ((i == smu_data->mc_reg_table.num_entries) && (i > 0))
1743                     --i;
1744 
1745           iceland_convert_mc_registers(&smu_data->mc_reg_table.mc_reg_table_entry[i],
1746                                         mc_reg_table_data, smu_data->mc_reg_table.last,
1747                                         smu_data->mc_reg_table.validflag);
1748 
1749           return 0;
1750 }
1751 
iceland_convert_mc_reg_table_to_smc(struct pp_hwmgr * hwmgr,SMU71_Discrete_MCRegisters * mc_regs)1752 static int iceland_convert_mc_reg_table_to_smc(struct pp_hwmgr *hwmgr,
1753                     SMU71_Discrete_MCRegisters *mc_regs)
1754 {
1755           int result = 0;
1756           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1757           int res;
1758           uint32_t i;
1759 
1760           for (i = 0; i < data->dpm_table.mclk_table.count; i++) {
1761                     res = iceland_convert_mc_reg_table_entry_to_smc(
1762                                         hwmgr,
1763                                         data->dpm_table.mclk_table.dpm_levels[i].value,
1764                                         &mc_regs->data[i]
1765                                         );
1766 
1767                     if (0 != res)
1768                               result = res;
1769           }
1770 
1771           return result;
1772 }
1773 
iceland_update_and_upload_mc_reg_table(struct pp_hwmgr * hwmgr)1774 static int iceland_update_and_upload_mc_reg_table(struct pp_hwmgr *hwmgr)
1775 {
1776           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
1777           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1778           uint32_t address;
1779           int32_t result;
1780 
1781           if (0 == (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK))
1782                     return 0;
1783 
1784 
1785           memset(&smu_data->mc_regs, 0, sizeof(SMU71_Discrete_MCRegisters));
1786 
1787           result = iceland_convert_mc_reg_table_to_smc(hwmgr, &(smu_data->mc_regs));
1788 
1789           if (result != 0)
1790                     return result;
1791 
1792 
1793           address = smu_data->smu7_data.mc_reg_table_start + (uint32_t)offsetof(SMU71_Discrete_MCRegisters, data[0]);
1794 
1795           return  smu7_copy_bytes_to_smc(hwmgr, address,
1796                                          (uint8_t *)&smu_data->mc_regs.data[0],
1797                                         sizeof(SMU71_Discrete_MCRegisterSet) * data->dpm_table.mclk_table.count,
1798                                         SMC_RAM_END);
1799 }
1800 
iceland_populate_initial_mc_reg_table(struct pp_hwmgr * hwmgr)1801 static int iceland_populate_initial_mc_reg_table(struct pp_hwmgr *hwmgr)
1802 {
1803           int result;
1804           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
1805 
1806           memset(&smu_data->mc_regs, 0x00, sizeof(SMU71_Discrete_MCRegisters));
1807           result = iceland_populate_mc_reg_address(hwmgr, &(smu_data->mc_regs));
1808           PP_ASSERT_WITH_CODE(0 == result,
1809                     "Failed to initialize MCRegTable for the MC register addresses!", return result;);
1810 
1811           result = iceland_convert_mc_reg_table_to_smc(hwmgr, &smu_data->mc_regs);
1812           PP_ASSERT_WITH_CODE(0 == result,
1813                     "Failed to initialize MCRegTable for driver state!", return result;);
1814 
1815           return smu7_copy_bytes_to_smc(hwmgr, smu_data->smu7_data.mc_reg_table_start,
1816                               (uint8_t *)&smu_data->mc_regs, sizeof(SMU71_Discrete_MCRegisters), SMC_RAM_END);
1817 }
1818 
iceland_populate_smc_initial_state(struct pp_hwmgr * hwmgr)1819 static int iceland_populate_smc_initial_state(struct pp_hwmgr *hwmgr)
1820 {
1821           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1822           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
1823           uint8_t count, level;
1824 
1825           count = (uint8_t)(hwmgr->dyn_state.vddc_dependency_on_sclk->count);
1826 
1827           for (level = 0; level < count; level++) {
1828                     if (hwmgr->dyn_state.vddc_dependency_on_sclk->entries[level].clk
1829                                >= data->vbios_boot_state.sclk_bootup_value) {
1830                               smu_data->smc_state_table.GraphicsBootLevel = level;
1831                               break;
1832                     }
1833           }
1834 
1835           count = (uint8_t)(hwmgr->dyn_state.vddc_dependency_on_mclk->count);
1836 
1837           for (level = 0; level < count; level++) {
1838                     if (hwmgr->dyn_state.vddc_dependency_on_mclk->entries[level].clk
1839                               >= data->vbios_boot_state.mclk_bootup_value) {
1840                               smu_data->smc_state_table.MemoryBootLevel = level;
1841                               break;
1842                     }
1843           }
1844 
1845           return 0;
1846 }
1847 
iceland_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr * hwmgr)1848 static int iceland_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr)
1849 {
1850           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1851           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
1852           const struct iceland_pt_defaults *defaults = smu_data->power_tune_defaults;
1853           SMU71_Discrete_DpmTable  *dpm_table = &(smu_data->smc_state_table);
1854           struct phm_cac_tdp_table *cac_dtp_table = hwmgr->dyn_state.cac_dtp_table;
1855           struct phm_ppm_table *ppm = hwmgr->dyn_state.ppm_parameter_table;
1856           const uint16_t *def1, *def2;
1857           int i, j, k;
1858 
1859 
1860           /*
1861            * TDP number of fraction bits are changed from 8 to 7 for Iceland
1862            * as requested by SMC team
1863            */
1864 
1865           dpm_table->DefaultTdp = PP_HOST_TO_SMC_US((uint16_t)(cac_dtp_table->usTDP * 256));
1866           dpm_table->TargetTdp = PP_HOST_TO_SMC_US((uint16_t)(cac_dtp_table->usConfigurableTDP * 256));
1867 
1868 
1869           dpm_table->DTETjOffset = 0;
1870 
1871           dpm_table->GpuTjMax = (uint8_t)(data->thermal_temp_setting.temperature_high / PP_TEMPERATURE_UNITS_PER_CENTIGRADES);
1872           dpm_table->GpuTjHyst = 8;
1873 
1874           dpm_table->DTEAmbientTempBase = defaults->dte_ambient_temp_base;
1875 
1876           /* The following are for new Iceland Multi-input fan/thermal control */
1877           if (NULL != ppm) {
1878                     dpm_table->PPM_PkgPwrLimit = (uint16_t)ppm->dgpu_tdp * 256 / 1000;
1879                     dpm_table->PPM_TemperatureLimit = (uint16_t)ppm->tj_max * 256;
1880           } else {
1881                     dpm_table->PPM_PkgPwrLimit = 0;
1882                     dpm_table->PPM_TemperatureLimit = 0;
1883           }
1884 
1885           CONVERT_FROM_HOST_TO_SMC_US(dpm_table->PPM_PkgPwrLimit);
1886           CONVERT_FROM_HOST_TO_SMC_US(dpm_table->PPM_TemperatureLimit);
1887 
1888           dpm_table->BAPM_TEMP_GRADIENT = PP_HOST_TO_SMC_UL(defaults->bapm_temp_gradient);
1889           def1 = defaults->bapmti_r;
1890           def2 = defaults->bapmti_rc;
1891 
1892           for (i = 0; i < SMU71_DTE_ITERATIONS; i++) {
1893                     for (j = 0; j < SMU71_DTE_SOURCES; j++) {
1894                               for (k = 0; k < SMU71_DTE_SINKS; k++) {
1895                                         dpm_table->BAPMTI_R[i][j][k] = PP_HOST_TO_SMC_US(*def1);
1896                                         dpm_table->BAPMTI_RC[i][j][k] = PP_HOST_TO_SMC_US(*def2);
1897                                         def1++;
1898                                         def2++;
1899                               }
1900                     }
1901           }
1902 
1903           return 0;
1904 }
1905 
iceland_populate_smc_svi2_config(struct pp_hwmgr * hwmgr,SMU71_Discrete_DpmTable * tab)1906 static int iceland_populate_smc_svi2_config(struct pp_hwmgr *hwmgr,
1907                                                       SMU71_Discrete_DpmTable *tab)
1908 {
1909           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1910 
1911           if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control)
1912                     tab->SVI2Enable |= VDDC_ON_SVI2;
1913 
1914           if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control)
1915                     tab->SVI2Enable |= VDDCI_ON_SVI2;
1916           else
1917                     tab->MergedVddci = 1;
1918 
1919           if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control)
1920                     tab->SVI2Enable |= MVDD_ON_SVI2;
1921 
1922           PP_ASSERT_WITH_CODE(tab->SVI2Enable != (VDDC_ON_SVI2 | VDDCI_ON_SVI2 | MVDD_ON_SVI2) &&
1923                     (tab->SVI2Enable & VDDC_ON_SVI2), "SVI2 domain configuration is incorrect!", return -EINVAL);
1924 
1925           return 0;
1926 }
1927 
iceland_init_smc_table(struct pp_hwmgr * hwmgr)1928 static int iceland_init_smc_table(struct pp_hwmgr *hwmgr)
1929 {
1930           int result;
1931           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
1932           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
1933           SMU71_Discrete_DpmTable  *table = &(smu_data->smc_state_table);
1934 
1935 
1936           iceland_initialize_power_tune_defaults(hwmgr);
1937           memset(&(smu_data->smc_state_table), 0x00, sizeof(smu_data->smc_state_table));
1938 
1939           if (SMU7_VOLTAGE_CONTROL_NONE != data->voltage_control) {
1940                     iceland_populate_smc_voltage_tables(hwmgr, table);
1941           }
1942 
1943           if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
1944                               PHM_PlatformCaps_AutomaticDCTransition))
1945                     table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
1946 
1947 
1948           if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
1949                               PHM_PlatformCaps_StepVddc))
1950                     table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
1951 
1952           if (data->is_memory_gddr5)
1953                     table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
1954 
1955 
1956           if (data->ulv_supported) {
1957                     result = iceland_populate_ulv_state(hwmgr, &(smu_data->ulv_setting));
1958                     PP_ASSERT_WITH_CODE(0 == result,
1959                               "Failed to initialize ULV state!", return result;);
1960 
1961                     cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
1962                               ixCG_ULV_PARAMETER, 0x40035);
1963           }
1964 
1965           result = iceland_populate_smc_link_level(hwmgr, table);
1966           PP_ASSERT_WITH_CODE(0 == result,
1967                     "Failed to initialize Link Level!", return result;);
1968 
1969           result = iceland_populate_all_graphic_levels(hwmgr);
1970           PP_ASSERT_WITH_CODE(0 == result,
1971                     "Failed to initialize Graphics Level!", return result;);
1972 
1973           result = iceland_populate_all_memory_levels(hwmgr);
1974           PP_ASSERT_WITH_CODE(0 == result,
1975                     "Failed to initialize Memory Level!", return result;);
1976 
1977           result = iceland_populate_smc_acpi_level(hwmgr, table);
1978           PP_ASSERT_WITH_CODE(0 == result,
1979                     "Failed to initialize ACPI Level!", return result;);
1980 
1981           result = iceland_populate_smc_vce_level(hwmgr, table);
1982           PP_ASSERT_WITH_CODE(0 == result,
1983                     "Failed to initialize VCE Level!", return result;);
1984 
1985           result = iceland_populate_smc_acp_level(hwmgr, table);
1986           PP_ASSERT_WITH_CODE(0 == result,
1987                     "Failed to initialize ACP Level!", return result;);
1988 
1989           /* Since only the initial state is completely set up at this point (the other states are just copies of the boot state) we only */
1990           /* need to populate the  ARB settings for the initial state. */
1991           result = iceland_program_memory_timing_parameters(hwmgr);
1992           PP_ASSERT_WITH_CODE(0 == result,
1993                     "Failed to Write ARB settings for the initial state.", return result;);
1994 
1995           result = iceland_populate_smc_uvd_level(hwmgr, table);
1996           PP_ASSERT_WITH_CODE(0 == result,
1997                     "Failed to initialize UVD Level!", return result;);
1998 
1999           table->GraphicsBootLevel = 0;
2000           table->MemoryBootLevel = 0;
2001 
2002           result = iceland_populate_smc_boot_level(hwmgr, table);
2003           PP_ASSERT_WITH_CODE(0 == result,
2004                     "Failed to initialize Boot Level!", return result;);
2005 
2006           result = iceland_populate_smc_initial_state(hwmgr);
2007           PP_ASSERT_WITH_CODE(0 == result, "Failed to initialize Boot State!", return result);
2008 
2009           result = iceland_populate_bapm_parameters_in_dpm_table(hwmgr);
2010           PP_ASSERT_WITH_CODE(0 == result, "Failed to populate BAPM Parameters!", return result);
2011 
2012           table->GraphicsVoltageChangeEnable  = 1;
2013           table->GraphicsThermThrottleEnable  = 1;
2014           table->GraphicsInterval = 1;
2015           table->VoltageInterval  = 1;
2016           table->ThermalInterval  = 1;
2017 
2018           table->TemperatureLimitHigh =
2019                     (data->thermal_temp_setting.temperature_high *
2020                      SMU7_Q88_FORMAT_CONVERSION_UNIT) / PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
2021           table->TemperatureLimitLow =
2022                     (data->thermal_temp_setting.temperature_low *
2023                     SMU7_Q88_FORMAT_CONVERSION_UNIT) / PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
2024 
2025           table->MemoryVoltageChangeEnable  = 1;
2026           table->MemoryInterval  = 1;
2027           table->VoltageResponseTime  = 0;
2028           table->PhaseResponseTime  = 0;
2029           table->MemoryThermThrottleEnable  = 1;
2030           table->PCIeBootLinkLevel = 0;
2031           table->PCIeGenInterval = 1;
2032 
2033           result = iceland_populate_smc_svi2_config(hwmgr, table);
2034           PP_ASSERT_WITH_CODE(0 == result,
2035                     "Failed to populate SVI2 setting!", return result);
2036 
2037           table->ThermGpio  = 17;
2038           table->SclkStepSize = 0x4000;
2039 
2040           CONVERT_FROM_HOST_TO_SMC_UL(table->SystemFlags);
2041           CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddcVid);
2042           CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddcPhase);
2043           CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddciVid);
2044           CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskMvddVid);
2045           CONVERT_FROM_HOST_TO_SMC_UL(table->SclkStepSize);
2046           CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitHigh);
2047           CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitLow);
2048           CONVERT_FROM_HOST_TO_SMC_US(table->VoltageResponseTime);
2049           CONVERT_FROM_HOST_TO_SMC_US(table->PhaseResponseTime);
2050 
2051           table->BootVddc = PP_HOST_TO_SMC_US(table->BootVddc * VOLTAGE_SCALE);
2052           table->BootVddci = PP_HOST_TO_SMC_US(table->BootVddci * VOLTAGE_SCALE);
2053           table->BootMVdd = PP_HOST_TO_SMC_US(table->BootMVdd * VOLTAGE_SCALE);
2054 
2055           /* Upload all dpm data to SMC memory.(dpm level, dpm level count etc) */
2056           result = smu7_copy_bytes_to_smc(hwmgr, smu_data->smu7_data.dpm_table_start +
2057                                                                                                     offsetof(SMU71_Discrete_DpmTable, SystemFlags),
2058                                                                                                     (uint8_t *)&(table->SystemFlags),
2059                                                                                                     sizeof(SMU71_Discrete_DpmTable)-3 * sizeof(SMU71_PIDController),
2060                                                                                                     SMC_RAM_END);
2061 
2062           PP_ASSERT_WITH_CODE(0 == result,
2063                     "Failed to upload dpm data to SMC memory!", return result;);
2064 
2065           /* Upload all ulv setting to SMC memory.(dpm level, dpm level count etc) */
2066           result = smu7_copy_bytes_to_smc(hwmgr,
2067                               smu_data->smu7_data.ulv_setting_starts,
2068                               (uint8_t *)&(smu_data->ulv_setting),
2069                               sizeof(SMU71_Discrete_Ulv),
2070                               SMC_RAM_END);
2071 
2072 
2073           result = iceland_populate_initial_mc_reg_table(hwmgr);
2074           PP_ASSERT_WITH_CODE((0 == result),
2075                     "Failed to populate initialize MC Reg table!", return result);
2076 
2077           result = iceland_populate_pm_fuses(hwmgr);
2078           PP_ASSERT_WITH_CODE(0 == result,
2079                               "Failed to  populate PM fuses to SMC memory!", return result);
2080 
2081           return 0;
2082 }
2083 
2084 int iceland_thermal_setup_fan_table(struct pp_hwmgr *hwmgr);
iceland_thermal_setup_fan_table(struct pp_hwmgr * hwmgr)2085 int iceland_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
2086 {
2087           struct smu7_smumgr *smu7_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
2088           SMU71_Discrete_FanTable fan_table = { FDO_MODE_HARDWARE };
2089           uint32_t duty100;
2090           uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2;
2091           uint16_t fdo_min, slope1, slope2;
2092           uint32_t reference_clock;
2093           int res;
2094           uint64_t tmp64;
2095 
2096           if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl))
2097                     return 0;
2098 
2099           if (hwmgr->thermal_controller.fanInfo.bNoFan) {
2100                     phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
2101                               PHM_PlatformCaps_MicrocodeFanControl);
2102                     return 0;
2103           }
2104 
2105           if (0 == smu7_data->fan_table_start) {
2106                     phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);
2107                     return 0;
2108           }
2109 
2110           duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100);
2111 
2112           if (0 == duty100) {
2113                     phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl);
2114                     return 0;
2115           }
2116 
2117           tmp64 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin * duty100;
2118           do_div(tmp64, 10000);
2119           fdo_min = (uint16_t)tmp64;
2120 
2121           t_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usTMed - hwmgr->thermal_controller.advanceFanControlParameters.usTMin;
2122           t_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usTHigh - hwmgr->thermal_controller.advanceFanControlParameters.usTMed;
2123 
2124           pwm_diff1 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed - hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin;
2125           pwm_diff2 = hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh - hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed;
2126 
2127           slope1 = (uint16_t)((50 + ((16 * duty100 * pwm_diff1) / t_diff1)) / 100);
2128           slope2 = (uint16_t)((50 + ((16 * duty100 * pwm_diff2) / t_diff2)) / 100);
2129 
2130           fan_table.TempMin = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMin) / 100);
2131           fan_table.TempMed = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMed) / 100);
2132           fan_table.TempMax = cpu_to_be16((50 + hwmgr->thermal_controller.advanceFanControlParameters.usTMax) / 100);
2133 
2134           fan_table.Slope1 = cpu_to_be16(slope1);
2135           fan_table.Slope2 = cpu_to_be16(slope2);
2136 
2137           fan_table.FdoMin = cpu_to_be16(fdo_min);
2138 
2139           fan_table.HystDown = cpu_to_be16(hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst);
2140 
2141           fan_table.HystUp = cpu_to_be16(1);
2142 
2143           fan_table.HystSlope = cpu_to_be16(1);
2144 
2145           fan_table.TempRespLim = cpu_to_be16(5);
2146 
2147           reference_clock = amdgpu_asic_get_xclk((struct amdgpu_device *)hwmgr->adev);
2148 
2149           fan_table.RefreshPeriod = cpu_to_be32((hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay * reference_clock) / 1600);
2150 
2151           fan_table.FdoMax = cpu_to_be16((uint16_t)duty100);
2152 
2153           fan_table.TempSrc = (uint8_t)PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_MULT_THERMAL_CTRL, TEMP_SEL);
2154 
2155           /* fan_table.FanControl_GL_Flag = 1; */
2156 
2157           res = smu7_copy_bytes_to_smc(hwmgr, smu7_data->fan_table_start, (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), SMC_RAM_END);
2158 
2159           return 0;
2160 }
2161 
2162 
iceland_program_mem_timing_parameters(struct pp_hwmgr * hwmgr)2163 static int iceland_program_mem_timing_parameters(struct pp_hwmgr *hwmgr)
2164 {
2165           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
2166 
2167           if (data->need_update_smu7_dpm_table &
2168                     (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_OD_UPDATE_MCLK))
2169                     return iceland_program_memory_timing_parameters(hwmgr);
2170 
2171           return 0;
2172 }
2173 
iceland_update_sclk_threshold(struct pp_hwmgr * hwmgr)2174 static int iceland_update_sclk_threshold(struct pp_hwmgr *hwmgr)
2175 {
2176           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
2177           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
2178 
2179           int result = 0;
2180           uint32_t low_sclk_interrupt_threshold = 0;
2181 
2182           if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
2183                               PHM_PlatformCaps_SclkThrottleLowNotification)
2184                     && (data->low_sclk_interrupt_threshold != 0)) {
2185                     low_sclk_interrupt_threshold =
2186                                         data->low_sclk_interrupt_threshold;
2187 
2188                     CONVERT_FROM_HOST_TO_SMC_UL(low_sclk_interrupt_threshold);
2189 
2190                     result = smu7_copy_bytes_to_smc(
2191                                         hwmgr,
2192                                         smu_data->smu7_data.dpm_table_start +
2193                                         offsetof(SMU71_Discrete_DpmTable,
2194                                                   LowSclkInterruptThreshold),
2195                                         (uint8_t *)&low_sclk_interrupt_threshold,
2196                                         sizeof(uint32_t),
2197                                         SMC_RAM_END);
2198           }
2199 
2200           result = iceland_update_and_upload_mc_reg_table(hwmgr);
2201 
2202           PP_ASSERT_WITH_CODE((0 == result), "Failed to upload MC reg table!", return result);
2203 
2204           result = iceland_program_mem_timing_parameters(hwmgr);
2205           PP_ASSERT_WITH_CODE((result == 0),
2206                               "Failed to program memory timing parameters!",
2207                               );
2208 
2209           return result;
2210 }
2211 
iceland_get_offsetof(uint32_t type,uint32_t member)2212 static uint32_t iceland_get_offsetof(uint32_t type, uint32_t member)
2213 {
2214           switch (type) {
2215           case SMU_SoftRegisters:
2216                     switch (member) {
2217                     case HandshakeDisables:
2218                               return offsetof(SMU71_SoftRegisters, HandshakeDisables);
2219                     case VoltageChangeTimeout:
2220                               return offsetof(SMU71_SoftRegisters, VoltageChangeTimeout);
2221                     case AverageGraphicsActivity:
2222                               return offsetof(SMU71_SoftRegisters, AverageGraphicsActivity);
2223                     case PreVBlankGap:
2224                               return offsetof(SMU71_SoftRegisters, PreVBlankGap);
2225                     case VBlankTimeout:
2226                               return offsetof(SMU71_SoftRegisters, VBlankTimeout);
2227                     case UcodeLoadStatus:
2228                               return offsetof(SMU71_SoftRegisters, UcodeLoadStatus);
2229                     case DRAM_LOG_ADDR_H:
2230                               return offsetof(SMU71_SoftRegisters, DRAM_LOG_ADDR_H);
2231                     case DRAM_LOG_ADDR_L:
2232                               return offsetof(SMU71_SoftRegisters, DRAM_LOG_ADDR_L);
2233                     case DRAM_LOG_PHY_ADDR_H:
2234                               return offsetof(SMU71_SoftRegisters, DRAM_LOG_PHY_ADDR_H);
2235                     case DRAM_LOG_PHY_ADDR_L:
2236                               return offsetof(SMU71_SoftRegisters, DRAM_LOG_PHY_ADDR_L);
2237                     case DRAM_LOG_BUFF_SIZE:
2238                               return offsetof(SMU71_SoftRegisters, DRAM_LOG_BUFF_SIZE);
2239                     }
2240                     break;
2241           case SMU_Discrete_DpmTable:
2242                     switch (member) {
2243                     case LowSclkInterruptThreshold:
2244                               return offsetof(SMU71_Discrete_DpmTable, LowSclkInterruptThreshold);
2245                     }
2246                     break;
2247           }
2248           pr_warn("can't get the offset of type %x member %x\n", type, member);
2249           return 0;
2250 }
2251 
iceland_get_mac_definition(uint32_t value)2252 static uint32_t iceland_get_mac_definition(uint32_t value)
2253 {
2254           switch (value) {
2255           case SMU_MAX_LEVELS_GRAPHICS:
2256                     return SMU71_MAX_LEVELS_GRAPHICS;
2257           case SMU_MAX_LEVELS_MEMORY:
2258                     return SMU71_MAX_LEVELS_MEMORY;
2259           case SMU_MAX_LEVELS_LINK:
2260                     return SMU71_MAX_LEVELS_LINK;
2261           case SMU_MAX_ENTRIES_SMIO:
2262                     return SMU71_MAX_ENTRIES_SMIO;
2263           case SMU_MAX_LEVELS_VDDC:
2264                     return SMU71_MAX_LEVELS_VDDC;
2265           case SMU_MAX_LEVELS_VDDCI:
2266                     return SMU71_MAX_LEVELS_VDDCI;
2267           case SMU_MAX_LEVELS_MVDD:
2268                     return SMU71_MAX_LEVELS_MVDD;
2269           }
2270 
2271           pr_warn("can't get the mac of %x\n", value);
2272           return 0;
2273 }
2274 
iceland_process_firmware_header(struct pp_hwmgr * hwmgr)2275 static int iceland_process_firmware_header(struct pp_hwmgr *hwmgr)
2276 {
2277           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
2278           struct smu7_smumgr *smu7_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
2279 
2280           uint32_t tmp;
2281           int result;
2282           bool error = false;
2283 
2284           result = smu7_read_smc_sram_dword(hwmgr,
2285                                         SMU71_FIRMWARE_HEADER_LOCATION +
2286                                         offsetof(SMU71_Firmware_Header, DpmTable),
2287                                         &tmp, SMC_RAM_END);
2288 
2289           if (0 == result) {
2290                     smu7_data->dpm_table_start = tmp;
2291           }
2292 
2293           error |= (0 != result);
2294 
2295           result = smu7_read_smc_sram_dword(hwmgr,
2296                                         SMU71_FIRMWARE_HEADER_LOCATION +
2297                                         offsetof(SMU71_Firmware_Header, SoftRegisters),
2298                                         &tmp, SMC_RAM_END);
2299 
2300           if (0 == result) {
2301                     data->soft_regs_start = tmp;
2302                     smu7_data->soft_regs_start = tmp;
2303           }
2304 
2305           error |= (0 != result);
2306 
2307 
2308           result = smu7_read_smc_sram_dword(hwmgr,
2309                                         SMU71_FIRMWARE_HEADER_LOCATION +
2310                                         offsetof(SMU71_Firmware_Header, mcRegisterTable),
2311                                         &tmp, SMC_RAM_END);
2312 
2313           if (0 == result) {
2314                     smu7_data->mc_reg_table_start = tmp;
2315           }
2316 
2317           result = smu7_read_smc_sram_dword(hwmgr,
2318                                         SMU71_FIRMWARE_HEADER_LOCATION +
2319                                         offsetof(SMU71_Firmware_Header, FanTable),
2320                                         &tmp, SMC_RAM_END);
2321 
2322           if (0 == result) {
2323                     smu7_data->fan_table_start = tmp;
2324           }
2325 
2326           error |= (0 != result);
2327 
2328           result = smu7_read_smc_sram_dword(hwmgr,
2329                                         SMU71_FIRMWARE_HEADER_LOCATION +
2330                                         offsetof(SMU71_Firmware_Header, mcArbDramTimingTable),
2331                                         &tmp, SMC_RAM_END);
2332 
2333           if (0 == result) {
2334                     smu7_data->arb_table_start = tmp;
2335           }
2336 
2337           error |= (0 != result);
2338 
2339 
2340           result = smu7_read_smc_sram_dword(hwmgr,
2341                                         SMU71_FIRMWARE_HEADER_LOCATION +
2342                                         offsetof(SMU71_Firmware_Header, Version),
2343                                         &tmp, SMC_RAM_END);
2344 
2345           if (0 == result) {
2346                     hwmgr->microcode_version_info.SMC = tmp;
2347           }
2348 
2349           error |= (0 != result);
2350 
2351           result = smu7_read_smc_sram_dword(hwmgr,
2352                                         SMU71_FIRMWARE_HEADER_LOCATION +
2353                                         offsetof(SMU71_Firmware_Header, UlvSettings),
2354                                         &tmp, SMC_RAM_END);
2355 
2356           if (0 == result) {
2357                     smu7_data->ulv_setting_starts = tmp;
2358           }
2359 
2360           error |= (0 != result);
2361 
2362           return error ? 1 : 0;
2363 }
2364 
2365 /*---------------------------MC----------------------------*/
2366 
iceland_get_memory_modile_index(struct pp_hwmgr * hwmgr)2367 static uint8_t iceland_get_memory_modile_index(struct pp_hwmgr *hwmgr)
2368 {
2369           return (uint8_t) (0xFF & (cgs_read_register(hwmgr->device, mmBIOS_SCRATCH_4) >> 16));
2370 }
2371 
iceland_check_s0_mc_reg_index(uint16_t in_reg,uint16_t * out_reg)2372 static bool iceland_check_s0_mc_reg_index(uint16_t in_reg, uint16_t *out_reg)
2373 {
2374           bool result = true;
2375 
2376           switch (in_reg) {
2377           case  mmMC_SEQ_RAS_TIMING:
2378                     *out_reg = mmMC_SEQ_RAS_TIMING_LP;
2379                     break;
2380 
2381           case  mmMC_SEQ_DLL_STBY:
2382                     *out_reg = mmMC_SEQ_DLL_STBY_LP;
2383                     break;
2384 
2385           case  mmMC_SEQ_G5PDX_CMD0:
2386                     *out_reg = mmMC_SEQ_G5PDX_CMD0_LP;
2387                     break;
2388 
2389           case  mmMC_SEQ_G5PDX_CMD1:
2390                     *out_reg = mmMC_SEQ_G5PDX_CMD1_LP;
2391                     break;
2392 
2393           case  mmMC_SEQ_G5PDX_CTRL:
2394                     *out_reg = mmMC_SEQ_G5PDX_CTRL_LP;
2395                     break;
2396 
2397           case mmMC_SEQ_CAS_TIMING:
2398                     *out_reg = mmMC_SEQ_CAS_TIMING_LP;
2399                     break;
2400 
2401           case mmMC_SEQ_MISC_TIMING:
2402                     *out_reg = mmMC_SEQ_MISC_TIMING_LP;
2403                     break;
2404 
2405           case mmMC_SEQ_MISC_TIMING2:
2406                     *out_reg = mmMC_SEQ_MISC_TIMING2_LP;
2407                     break;
2408 
2409           case mmMC_SEQ_PMG_DVS_CMD:
2410                     *out_reg = mmMC_SEQ_PMG_DVS_CMD_LP;
2411                     break;
2412 
2413           case mmMC_SEQ_PMG_DVS_CTL:
2414                     *out_reg = mmMC_SEQ_PMG_DVS_CTL_LP;
2415                     break;
2416 
2417           case mmMC_SEQ_RD_CTL_D0:
2418                     *out_reg = mmMC_SEQ_RD_CTL_D0_LP;
2419                     break;
2420 
2421           case mmMC_SEQ_RD_CTL_D1:
2422                     *out_reg = mmMC_SEQ_RD_CTL_D1_LP;
2423                     break;
2424 
2425           case mmMC_SEQ_WR_CTL_D0:
2426                     *out_reg = mmMC_SEQ_WR_CTL_D0_LP;
2427                     break;
2428 
2429           case mmMC_SEQ_WR_CTL_D1:
2430                     *out_reg = mmMC_SEQ_WR_CTL_D1_LP;
2431                     break;
2432 
2433           case mmMC_PMG_CMD_EMRS:
2434                     *out_reg = mmMC_SEQ_PMG_CMD_EMRS_LP;
2435                     break;
2436 
2437           case mmMC_PMG_CMD_MRS:
2438                     *out_reg = mmMC_SEQ_PMG_CMD_MRS_LP;
2439                     break;
2440 
2441           case mmMC_PMG_CMD_MRS1:
2442                     *out_reg = mmMC_SEQ_PMG_CMD_MRS1_LP;
2443                     break;
2444 
2445           case mmMC_SEQ_PMG_TIMING:
2446                     *out_reg = mmMC_SEQ_PMG_TIMING_LP;
2447                     break;
2448 
2449           case mmMC_PMG_CMD_MRS2:
2450                     *out_reg = mmMC_SEQ_PMG_CMD_MRS2_LP;
2451                     break;
2452 
2453           case mmMC_SEQ_WR_CTL_2:
2454                     *out_reg = mmMC_SEQ_WR_CTL_2_LP;
2455                     break;
2456 
2457           default:
2458                     result = false;
2459                     break;
2460           }
2461 
2462           return result;
2463 }
2464 
iceland_set_s0_mc_reg_index(struct iceland_mc_reg_table * table)2465 static int iceland_set_s0_mc_reg_index(struct iceland_mc_reg_table *table)
2466 {
2467           uint32_t i;
2468           uint16_t address;
2469 
2470           for (i = 0; i < table->last; i++) {
2471                     table->mc_reg_address[i].s0 =
2472                               iceland_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address)
2473                               ? address : table->mc_reg_address[i].s1;
2474           }
2475           return 0;
2476 }
2477 
iceland_copy_vbios_smc_reg_table(const pp_atomctrl_mc_reg_table * table,struct iceland_mc_reg_table * ni_table)2478 static int iceland_copy_vbios_smc_reg_table(const pp_atomctrl_mc_reg_table *table,
2479                                                   struct iceland_mc_reg_table *ni_table)
2480 {
2481           uint8_t i, j;
2482 
2483           PP_ASSERT_WITH_CODE((table->last <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
2484                     "Invalid VramInfo table.", return -EINVAL);
2485           PP_ASSERT_WITH_CODE((table->num_entries <= MAX_AC_TIMING_ENTRIES),
2486                     "Invalid VramInfo table.", return -EINVAL);
2487 
2488           for (i = 0; i < table->last; i++) {
2489                     ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
2490           }
2491           ni_table->last = table->last;
2492 
2493           for (i = 0; i < table->num_entries; i++) {
2494                     ni_table->mc_reg_table_entry[i].mclk_max =
2495                               table->mc_reg_table_entry[i].mclk_max;
2496                     for (j = 0; j < table->last; j++) {
2497                               ni_table->mc_reg_table_entry[i].mc_data[j] =
2498                                         table->mc_reg_table_entry[i].mc_data[j];
2499                     }
2500           }
2501 
2502           ni_table->num_entries = table->num_entries;
2503 
2504           return 0;
2505 }
2506 
iceland_set_mc_special_registers(struct pp_hwmgr * hwmgr,struct iceland_mc_reg_table * table)2507 static int iceland_set_mc_special_registers(struct pp_hwmgr *hwmgr,
2508                                                   struct iceland_mc_reg_table *table)
2509 {
2510           uint8_t i, j, k;
2511           uint32_t temp_reg;
2512           struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
2513 
2514           for (i = 0, j = table->last; i < table->last; i++) {
2515                     PP_ASSERT_WITH_CODE((j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
2516                               "Invalid VramInfo table.", return -EINVAL);
2517 
2518                     switch (table->mc_reg_address[i].s1) {
2519 
2520                     case mmMC_SEQ_MISC1:
2521                               temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS);
2522                               table->mc_reg_address[j].s1 = mmMC_PMG_CMD_EMRS;
2523                               table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_EMRS_LP;
2524                               for (k = 0; k < table->num_entries; k++) {
2525                                         table->mc_reg_table_entry[k].mc_data[j] =
2526                                                   ((temp_reg & 0xffff0000)) |
2527                                                   ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
2528                               }
2529                               j++;
2530 
2531                               PP_ASSERT_WITH_CODE((j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
2532                                         "Invalid VramInfo table.", return -EINVAL);
2533                               temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS);
2534                               table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS;
2535                               table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS_LP;
2536                               for (k = 0; k < table->num_entries; k++) {
2537                                         table->mc_reg_table_entry[k].mc_data[j] =
2538                                                   (temp_reg & 0xffff0000) |
2539                                                   (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
2540 
2541                                         if (!data->is_memory_gddr5) {
2542                                                   table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
2543                                         }
2544                               }
2545                               j++;
2546 
2547                               if (!data->is_memory_gddr5) {
2548                                         PP_ASSERT_WITH_CODE((j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
2549                                                   "Invalid VramInfo table.", return -EINVAL);
2550                                         table->mc_reg_address[j].s1 = mmMC_PMG_AUTO_CMD;
2551                                         table->mc_reg_address[j].s0 = mmMC_PMG_AUTO_CMD;
2552                                         for (k = 0; k < table->num_entries; k++) {
2553                                                   table->mc_reg_table_entry[k].mc_data[j] =
2554                                                             (table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16;
2555                                         }
2556                                         j++;
2557                               }
2558 
2559                               break;
2560 
2561                     case mmMC_SEQ_RESERVE_M:
2562                               temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1);
2563                               table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS1;
2564                               table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS1_LP;
2565                               for (k = 0; k < table->num_entries; k++) {
2566                                         table->mc_reg_table_entry[k].mc_data[j] =
2567                                                   (temp_reg & 0xffff0000) |
2568                                                   (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
2569                               }
2570                               j++;
2571                               break;
2572 
2573                     default:
2574                               break;
2575                     }
2576 
2577           }
2578 
2579           table->last = j;
2580 
2581           return 0;
2582 }
2583 
iceland_set_valid_flag(struct iceland_mc_reg_table * table)2584 static int iceland_set_valid_flag(struct iceland_mc_reg_table *table)
2585 {
2586           uint8_t i, j;
2587           for (i = 0; i < table->last; i++) {
2588                     for (j = 1; j < table->num_entries; j++) {
2589                               if (table->mc_reg_table_entry[j-1].mc_data[i] !=
2590                                         table->mc_reg_table_entry[j].mc_data[i]) {
2591                                         table->validflag |= (1<<i);
2592                                         break;
2593                               }
2594                     }
2595           }
2596 
2597           return 0;
2598 }
2599 
iceland_initialize_mc_reg_table(struct pp_hwmgr * hwmgr)2600 static int iceland_initialize_mc_reg_table(struct pp_hwmgr *hwmgr)
2601 {
2602           int result;
2603           struct iceland_smumgr *smu_data = (struct iceland_smumgr *)(hwmgr->smu_backend);
2604           pp_atomctrl_mc_reg_table *table;
2605           struct iceland_mc_reg_table *ni_table = &smu_data->mc_reg_table;
2606           uint8_t module_index = iceland_get_memory_modile_index(hwmgr);
2607 
2608           table = kzalloc(sizeof(pp_atomctrl_mc_reg_table), GFP_KERNEL);
2609 
2610           if (NULL == table)
2611                     return -ENOMEM;
2612 
2613           /* Program additional LP registers that are no longer programmed by VBIOS */
2614           cgs_write_register(hwmgr->device, mmMC_SEQ_RAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RAS_TIMING));
2615           cgs_write_register(hwmgr->device, mmMC_SEQ_CAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_CAS_TIMING));
2616           cgs_write_register(hwmgr->device, mmMC_SEQ_DLL_STBY_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_DLL_STBY));
2617           cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0));
2618           cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1));
2619           cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL));
2620           cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD));
2621           cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL));
2622           cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING));
2623           cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2));
2624           cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_EMRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS));
2625           cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS));
2626           cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS1_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1));
2627           cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0));
2628           cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1));
2629           cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0));
2630           cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1));
2631           cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_TIMING));
2632           cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS2_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS2));
2633           cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_2));
2634 
2635           memset(table, 0x00, sizeof(pp_atomctrl_mc_reg_table));
2636 
2637           result = atomctrl_initialize_mc_reg_table(hwmgr, module_index, table);
2638 
2639           if (0 == result)
2640                     result = iceland_copy_vbios_smc_reg_table(table, ni_table);
2641 
2642           if (0 == result) {
2643                     iceland_set_s0_mc_reg_index(ni_table);
2644                     result = iceland_set_mc_special_registers(hwmgr, ni_table);
2645           }
2646 
2647           if (0 == result)
2648                     iceland_set_valid_flag(ni_table);
2649 
2650           kfree(table);
2651 
2652           return result;
2653 }
2654 
iceland_is_dpm_running(struct pp_hwmgr * hwmgr)2655 static bool iceland_is_dpm_running(struct pp_hwmgr *hwmgr)
2656 {
2657           return (1 == PHM_READ_INDIRECT_FIELD(hwmgr->device,
2658                               CGS_IND_REG__SMC, FEATURE_STATUS, VOLTAGE_CONTROLLER_ON))
2659                               ? true : false;
2660 }
2661 
2662 const struct pp_smumgr_func iceland_smu_funcs = {
2663           .smu_init = &iceland_smu_init,
2664           .smu_fini = &smu7_smu_fini,
2665           .start_smu = &iceland_start_smu,
2666           .check_fw_load_finish = &smu7_check_fw_load_finish,
2667           .request_smu_load_fw = &smu7_reload_firmware,
2668           .request_smu_load_specific_fw = &iceland_request_smu_load_specific_fw,
2669           .send_msg_to_smc = &smu7_send_msg_to_smc,
2670           .send_msg_to_smc_with_parameter = &smu7_send_msg_to_smc_with_parameter,
2671           .download_pptable_settings = NULL,
2672           .upload_pptable_settings = NULL,
2673           .get_offsetof = iceland_get_offsetof,
2674           .process_firmware_header = iceland_process_firmware_header,
2675           .init_smc_table = iceland_init_smc_table,
2676           .update_sclk_threshold = iceland_update_sclk_threshold,
2677           .thermal_setup_fan_table = iceland_thermal_setup_fan_table,
2678           .populate_all_graphic_levels = iceland_populate_all_graphic_levels,
2679           .populate_all_memory_levels = iceland_populate_all_memory_levels,
2680           .get_mac_definition = iceland_get_mac_definition,
2681           .initialize_mc_reg_table = iceland_initialize_mc_reg_table,
2682           .is_dpm_running = iceland_is_dpm_running,
2683 };
2684 
2685