xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c (revision 67f9c312b0a7f4bc869376d2a68308e673235954)
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
23  *
24  */
25 
26 #include <linux/firmware.h>
27 #include <drm/drm_drv.h>
28 
29 #include "amdgpu.h"
30 #include "amdgpu_psp.h"
31 #include "amdgpu_ucode.h"
32 #include "amdgpu_xgmi.h"
33 #include "soc15_common.h"
34 #include "psp_v3_1.h"
35 #include "psp_v10_0.h"
36 #include "psp_v11_0.h"
37 #include "psp_v11_0_8.h"
38 #include "psp_v12_0.h"
39 #include "psp_v13_0.h"
40 #include "psp_v13_0_4.h"
41 #include "psp_v14_0.h"
42 
43 #include "amdgpu_ras.h"
44 #include "amdgpu_securedisplay.h"
45 #include "amdgpu_atomfirmware.h"
46 
47 #define AMD_VBIOS_FILE_MAX_SIZE_B      (1024*1024*3)
48 
49 static int psp_load_smu_fw(struct psp_context *psp);
50 static int psp_rap_terminate(struct psp_context *psp);
51 static int psp_securedisplay_terminate(struct psp_context *psp);
52 
53 static int psp_ring_init(struct psp_context *psp,
54 			 enum psp_ring_type ring_type)
55 {
56 	int ret = 0;
57 	struct psp_ring *ring;
58 	struct amdgpu_device *adev = psp->adev;
59 
60 	ring = &psp->km_ring;
61 
62 	ring->ring_type = ring_type;
63 
64 	/* allocate 4k Page of Local Frame Buffer memory for ring */
65 	ring->ring_size = 0x1000;
66 	ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
67 				      AMDGPU_GEM_DOMAIN_VRAM |
68 				      AMDGPU_GEM_DOMAIN_GTT,
69 				      &adev->firmware.rbuf,
70 				      &ring->ring_mem_mc_addr,
71 				      (void **)&ring->ring_mem);
72 	if (ret) {
73 		ring->ring_size = 0;
74 		return ret;
75 	}
76 
77 	return 0;
78 }
79 
80 /*
81  * Due to DF Cstate management centralized to PMFW, the firmware
82  * loading sequence will be updated as below:
83  *   - Load KDB
84  *   - Load SYS_DRV
85  *   - Load tOS
86  *   - Load PMFW
87  *   - Setup TMR
88  *   - Load other non-psp fw
89  *   - Load ASD
90  *   - Load XGMI/RAS/HDCP/DTM TA if any
91  *
92  * This new sequence is required for
93  *   - Arcturus and onwards
94  */
95 static void psp_check_pmfw_centralized_cstate_management(struct psp_context *psp)
96 {
97 	struct amdgpu_device *adev = psp->adev;
98 
99 	if (amdgpu_sriov_vf(adev)) {
100 		psp->pmfw_centralized_cstate_management = false;
101 		return;
102 	}
103 
104 	switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) {
105 	case IP_VERSION(11, 0, 0):
106 	case IP_VERSION(11, 0, 4):
107 	case IP_VERSION(11, 0, 5):
108 	case IP_VERSION(11, 0, 7):
109 	case IP_VERSION(11, 0, 9):
110 	case IP_VERSION(11, 0, 11):
111 	case IP_VERSION(11, 0, 12):
112 	case IP_VERSION(11, 0, 13):
113 	case IP_VERSION(13, 0, 0):
114 	case IP_VERSION(13, 0, 2):
115 	case IP_VERSION(13, 0, 7):
116 		psp->pmfw_centralized_cstate_management = true;
117 		break;
118 	default:
119 		psp->pmfw_centralized_cstate_management = false;
120 		break;
121 	}
122 }
123 
124 static int psp_init_sriov_microcode(struct psp_context *psp)
125 {
126 	struct amdgpu_device *adev = psp->adev;
127 	char ucode_prefix[30];
128 	int ret = 0;
129 
130 	amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
131 
132 	switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) {
133 	case IP_VERSION(9, 0, 0):
134 	case IP_VERSION(11, 0, 7):
135 	case IP_VERSION(11, 0, 9):
136 		adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
137 		ret = psp_init_cap_microcode(psp, ucode_prefix);
138 		break;
139 	case IP_VERSION(13, 0, 2):
140 		adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MEC2;
141 		ret = psp_init_cap_microcode(psp, ucode_prefix);
142 		ret &= psp_init_ta_microcode(psp, ucode_prefix);
143 		break;
144 	case IP_VERSION(13, 0, 0):
145 		adev->virt.autoload_ucode_id = 0;
146 		break;
147 	case IP_VERSION(13, 0, 6):
148 		ret = psp_init_cap_microcode(psp, ucode_prefix);
149 		ret &= psp_init_ta_microcode(psp, ucode_prefix);
150 		break;
151 	case IP_VERSION(13, 0, 10):
152 		adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MES1_DATA;
153 		ret = psp_init_cap_microcode(psp, ucode_prefix);
154 		break;
155 	default:
156 		return -EINVAL;
157 	}
158 	return ret;
159 }
160 
161 static int psp_early_init(void *handle)
162 {
163 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
164 	struct psp_context *psp = &adev->psp;
165 
166 	psp->autoload_supported = true;
167 	psp->boot_time_tmr = true;
168 
169 	switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) {
170 	case IP_VERSION(9, 0, 0):
171 		psp_v3_1_set_psp_funcs(psp);
172 		psp->autoload_supported = false;
173 		psp->boot_time_tmr = false;
174 		break;
175 	case IP_VERSION(10, 0, 0):
176 	case IP_VERSION(10, 0, 1):
177 		psp_v10_0_set_psp_funcs(psp);
178 		psp->autoload_supported = false;
179 		psp->boot_time_tmr = false;
180 		break;
181 	case IP_VERSION(11, 0, 2):
182 	case IP_VERSION(11, 0, 4):
183 		psp_v11_0_set_psp_funcs(psp);
184 		psp->autoload_supported = false;
185 		psp->boot_time_tmr = false;
186 		break;
187 	case IP_VERSION(11, 0, 0):
188 	case IP_VERSION(11, 0, 7):
189 		adev->psp.sup_pd_fw_up = !amdgpu_sriov_vf(adev);
190 		fallthrough;
191 	case IP_VERSION(11, 0, 5):
192 	case IP_VERSION(11, 0, 9):
193 	case IP_VERSION(11, 0, 11):
194 	case IP_VERSION(11, 5, 0):
195 	case IP_VERSION(11, 0, 12):
196 	case IP_VERSION(11, 0, 13):
197 		psp_v11_0_set_psp_funcs(psp);
198 		psp->boot_time_tmr = false;
199 		break;
200 	case IP_VERSION(11, 0, 3):
201 	case IP_VERSION(12, 0, 1):
202 		psp_v12_0_set_psp_funcs(psp);
203 		psp->autoload_supported = false;
204 		psp->boot_time_tmr = false;
205 		break;
206 	case IP_VERSION(13, 0, 2):
207 		psp->boot_time_tmr = false;
208 		fallthrough;
209 	case IP_VERSION(13, 0, 6):
210 		psp_v13_0_set_psp_funcs(psp);
211 		psp->autoload_supported = false;
212 		break;
213 	case IP_VERSION(13, 0, 1):
214 	case IP_VERSION(13, 0, 3):
215 	case IP_VERSION(13, 0, 5):
216 	case IP_VERSION(13, 0, 8):
217 	case IP_VERSION(13, 0, 11):
218 	case IP_VERSION(14, 0, 0):
219 	case IP_VERSION(14, 0, 1):
220 		psp_v13_0_set_psp_funcs(psp);
221 		psp->boot_time_tmr = false;
222 		break;
223 	case IP_VERSION(11, 0, 8):
224 		if (adev->apu_flags & AMD_APU_IS_CYAN_SKILLFISH2) {
225 			psp_v11_0_8_set_psp_funcs(psp);
226 		}
227 		psp->autoload_supported = false;
228 		psp->boot_time_tmr = false;
229 		break;
230 	case IP_VERSION(13, 0, 0):
231 	case IP_VERSION(13, 0, 7):
232 	case IP_VERSION(13, 0, 10):
233 		psp_v13_0_set_psp_funcs(psp);
234 		adev->psp.sup_ifwi_up = !amdgpu_sriov_vf(adev);
235 		psp->boot_time_tmr = false;
236 		break;
237 	case IP_VERSION(13, 0, 4):
238 		psp_v13_0_4_set_psp_funcs(psp);
239 		psp->boot_time_tmr = false;
240 		break;
241 	case IP_VERSION(14, 0, 2):
242 	case IP_VERSION(14, 0, 3):
243 		psp_v14_0_set_psp_funcs(psp);
244 		break;
245 	default:
246 		return -EINVAL;
247 	}
248 
249 	psp->adev = adev;
250 
251 	adev->psp_timeout = 20000;
252 
253 	psp_check_pmfw_centralized_cstate_management(psp);
254 
255 	if (amdgpu_sriov_vf(adev))
256 		return psp_init_sriov_microcode(psp);
257 	else
258 		return psp_init_microcode(psp);
259 }
260 
261 void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx)
262 {
263 	amdgpu_bo_free_kernel(&mem_ctx->shared_bo, &mem_ctx->shared_mc_addr,
264 			      &mem_ctx->shared_buf);
265 	mem_ctx->shared_bo = NULL;
266 }
267 
268 static void psp_free_shared_bufs(struct psp_context *psp)
269 {
270 	void *tmr_buf;
271 	void **pptr;
272 
273 	/* free TMR memory buffer */
274 	pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
275 	amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
276 	psp->tmr_bo = NULL;
277 
278 	/* free xgmi shared memory */
279 	psp_ta_free_shared_buf(&psp->xgmi_context.context.mem_context);
280 
281 	/* free ras shared memory */
282 	psp_ta_free_shared_buf(&psp->ras_context.context.mem_context);
283 
284 	/* free hdcp shared memory */
285 	psp_ta_free_shared_buf(&psp->hdcp_context.context.mem_context);
286 
287 	/* free dtm shared memory */
288 	psp_ta_free_shared_buf(&psp->dtm_context.context.mem_context);
289 
290 	/* free rap shared memory */
291 	psp_ta_free_shared_buf(&psp->rap_context.context.mem_context);
292 
293 	/* free securedisplay shared memory */
294 	psp_ta_free_shared_buf(&psp->securedisplay_context.context.mem_context);
295 
296 
297 }
298 
299 static void psp_memory_training_fini(struct psp_context *psp)
300 {
301 	struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
302 
303 	ctx->init = PSP_MEM_TRAIN_NOT_SUPPORT;
304 	kfree(ctx->sys_cache);
305 	ctx->sys_cache = NULL;
306 }
307 
308 static int psp_memory_training_init(struct psp_context *psp)
309 {
310 	int ret;
311 	struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
312 
313 	if (ctx->init != PSP_MEM_TRAIN_RESERVE_SUCCESS) {
314 		dev_dbg(psp->adev->dev, "memory training is not supported!\n");
315 		return 0;
316 	}
317 
318 	ctx->sys_cache = kzalloc(ctx->train_data_size, GFP_KERNEL);
319 	if (ctx->sys_cache == NULL) {
320 		dev_err(psp->adev->dev, "alloc mem_train_ctx.sys_cache failed!\n");
321 		ret = -ENOMEM;
322 		goto Err_out;
323 	}
324 
325 	dev_dbg(psp->adev->dev,
326 		"train_data_size:%llx,p2c_train_data_offset:%llx,c2p_train_data_offset:%llx.\n",
327 		ctx->train_data_size,
328 		ctx->p2c_train_data_offset,
329 		ctx->c2p_train_data_offset);
330 	ctx->init = PSP_MEM_TRAIN_INIT_SUCCESS;
331 	return 0;
332 
333 Err_out:
334 	psp_memory_training_fini(psp);
335 	return ret;
336 }
337 
338 /*
339  * Helper funciton to query psp runtime database entry
340  *
341  * @adev: amdgpu_device pointer
342  * @entry_type: the type of psp runtime database entry
343  * @db_entry: runtime database entry pointer
344  *
345  * Return false if runtime database doesn't exit or entry is invalid
346  * or true if the specific database entry is found, and copy to @db_entry
347  */
348 static bool psp_get_runtime_db_entry(struct amdgpu_device *adev,
349 				     enum psp_runtime_entry_type entry_type,
350 				     void *db_entry)
351 {
352 	uint64_t db_header_pos, db_dir_pos;
353 	struct psp_runtime_data_header db_header = {0};
354 	struct psp_runtime_data_directory db_dir = {0};
355 	bool ret = false;
356 	int i;
357 
358 	if (amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 6))
359 		return false;
360 
361 	db_header_pos = adev->gmc.mc_vram_size - PSP_RUNTIME_DB_OFFSET;
362 	db_dir_pos = db_header_pos + sizeof(struct psp_runtime_data_header);
363 
364 	/* read runtime db header from vram */
365 	amdgpu_device_vram_access(adev, db_header_pos, (uint32_t *)&db_header,
366 			sizeof(struct psp_runtime_data_header), false);
367 
368 	if (db_header.cookie != PSP_RUNTIME_DB_COOKIE_ID) {
369 		/* runtime db doesn't exist, exit */
370 		dev_dbg(adev->dev, "PSP runtime database doesn't exist\n");
371 		return false;
372 	}
373 
374 	/* read runtime database entry from vram */
375 	amdgpu_device_vram_access(adev, db_dir_pos, (uint32_t *)&db_dir,
376 			sizeof(struct psp_runtime_data_directory), false);
377 
378 	if (db_dir.entry_count >= PSP_RUNTIME_DB_DIAG_ENTRY_MAX_COUNT) {
379 		/* invalid db entry count, exit */
380 		dev_warn(adev->dev, "Invalid PSP runtime database entry count\n");
381 		return false;
382 	}
383 
384 	/* look up for requested entry type */
385 	for (i = 0; i < db_dir.entry_count && !ret; i++) {
386 		if (db_dir.entry_list[i].entry_type == entry_type) {
387 			switch (entry_type) {
388 			case PSP_RUNTIME_ENTRY_TYPE_BOOT_CONFIG:
389 				if (db_dir.entry_list[i].size < sizeof(struct psp_runtime_boot_cfg_entry)) {
390 					/* invalid db entry size */
391 					dev_warn(adev->dev, "Invalid PSP runtime database boot cfg entry size\n");
392 					return false;
393 				}
394 				/* read runtime database entry */
395 				amdgpu_device_vram_access(adev, db_header_pos + db_dir.entry_list[i].offset,
396 							  (uint32_t *)db_entry, sizeof(struct psp_runtime_boot_cfg_entry), false);
397 				ret = true;
398 				break;
399 			case PSP_RUNTIME_ENTRY_TYPE_PPTABLE_ERR_STATUS:
400 				if (db_dir.entry_list[i].size < sizeof(struct psp_runtime_scpm_entry)) {
401 					/* invalid db entry size */
402 					dev_warn(adev->dev, "Invalid PSP runtime database scpm entry size\n");
403 					return false;
404 				}
405 				/* read runtime database entry */
406 				amdgpu_device_vram_access(adev, db_header_pos + db_dir.entry_list[i].offset,
407 							  (uint32_t *)db_entry, sizeof(struct psp_runtime_scpm_entry), false);
408 				ret = true;
409 				break;
410 			default:
411 				ret = false;
412 				break;
413 			}
414 		}
415 	}
416 
417 	return ret;
418 }
419 
420 static int psp_sw_init(void *handle)
421 {
422 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
423 	struct psp_context *psp = &adev->psp;
424 	int ret;
425 	struct psp_runtime_boot_cfg_entry boot_cfg_entry;
426 	struct psp_memory_training_context *mem_training_ctx = &psp->mem_train_ctx;
427 	struct psp_runtime_scpm_entry scpm_entry;
428 
429 	psp->cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
430 	if (!psp->cmd) {
431 		dev_err(adev->dev, "Failed to allocate memory to command buffer!\n");
432 		ret = -ENOMEM;
433 	}
434 
435 	adev->psp.xgmi_context.supports_extended_data =
436 		!adev->gmc.xgmi.connected_to_cpu &&
437 		amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 2);
438 
439 	memset(&scpm_entry, 0, sizeof(scpm_entry));
440 	if ((psp_get_runtime_db_entry(adev,
441 				PSP_RUNTIME_ENTRY_TYPE_PPTABLE_ERR_STATUS,
442 				&scpm_entry)) &&
443 	    (scpm_entry.scpm_status != SCPM_DISABLE)) {
444 		adev->scpm_enabled = true;
445 		adev->scpm_status = scpm_entry.scpm_status;
446 	} else {
447 		adev->scpm_enabled = false;
448 		adev->scpm_status = SCPM_DISABLE;
449 	}
450 
451 	/* TODO: stop gpu driver services and print alarm if scpm is enabled with error status */
452 
453 	memset(&boot_cfg_entry, 0, sizeof(boot_cfg_entry));
454 	if (psp_get_runtime_db_entry(adev,
455 				PSP_RUNTIME_ENTRY_TYPE_BOOT_CONFIG,
456 				&boot_cfg_entry)) {
457 		psp->boot_cfg_bitmask = boot_cfg_entry.boot_cfg_bitmask;
458 		if ((psp->boot_cfg_bitmask) &
459 		    BOOT_CFG_FEATURE_TWO_STAGE_DRAM_TRAINING) {
460 			/* If psp runtime database exists, then
461 			 * only enable two stage memory training
462 			 * when TWO_STAGE_DRAM_TRAINING bit is set
463 			 * in runtime database
464 			 */
465 			mem_training_ctx->enable_mem_training = true;
466 		}
467 
468 	} else {
469 		/* If psp runtime database doesn't exist or is
470 		 * invalid, force enable two stage memory training
471 		 */
472 		mem_training_ctx->enable_mem_training = true;
473 	}
474 
475 	if (mem_training_ctx->enable_mem_training) {
476 		ret = psp_memory_training_init(psp);
477 		if (ret) {
478 			dev_err(adev->dev, "Failed to initialize memory training!\n");
479 			return ret;
480 		}
481 
482 		ret = psp_mem_training(psp, PSP_MEM_TRAIN_COLD_BOOT);
483 		if (ret) {
484 			dev_err(adev->dev, "Failed to process memory training!\n");
485 			return ret;
486 		}
487 	}
488 
489 	ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
490 				      (amdgpu_sriov_vf(adev) || adev->debug_use_vram_fw_buf) ?
491 				      AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
492 				      &psp->fw_pri_bo,
493 				      &psp->fw_pri_mc_addr,
494 				      &psp->fw_pri_buf);
495 	if (ret)
496 		return ret;
497 
498 	ret = amdgpu_bo_create_kernel(adev, PSP_FENCE_BUFFER_SIZE, PAGE_SIZE,
499 				      AMDGPU_GEM_DOMAIN_VRAM |
500 				      AMDGPU_GEM_DOMAIN_GTT,
501 				      &psp->fence_buf_bo,
502 				      &psp->fence_buf_mc_addr,
503 				      &psp->fence_buf);
504 	if (ret)
505 		goto failed1;
506 
507 	ret = amdgpu_bo_create_kernel(adev, PSP_CMD_BUFFER_SIZE, PAGE_SIZE,
508 				      AMDGPU_GEM_DOMAIN_VRAM |
509 				      AMDGPU_GEM_DOMAIN_GTT,
510 				      &psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
511 				      (void **)&psp->cmd_buf_mem);
512 	if (ret)
513 		goto failed2;
514 
515 	return 0;
516 
517 failed2:
518 	amdgpu_bo_free_kernel(&psp->fence_buf_bo,
519 			      &psp->fence_buf_mc_addr, &psp->fence_buf);
520 failed1:
521 	amdgpu_bo_free_kernel(&psp->fw_pri_bo,
522 			      &psp->fw_pri_mc_addr, &psp->fw_pri_buf);
523 	return ret;
524 }
525 
526 static int psp_sw_fini(void *handle)
527 {
528 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
529 	struct psp_context *psp = &adev->psp;
530 	struct psp_gfx_cmd_resp *cmd = psp->cmd;
531 
532 	psp_memory_training_fini(psp);
533 
534 	amdgpu_ucode_release(&psp->sos_fw);
535 	amdgpu_ucode_release(&psp->asd_fw);
536 	amdgpu_ucode_release(&psp->ta_fw);
537 	amdgpu_ucode_release(&psp->cap_fw);
538 	amdgpu_ucode_release(&psp->toc_fw);
539 
540 	kfree(cmd);
541 	cmd = NULL;
542 
543 	psp_free_shared_bufs(psp);
544 
545 	if (psp->km_ring.ring_mem)
546 		amdgpu_bo_free_kernel(&adev->firmware.rbuf,
547 				      &psp->km_ring.ring_mem_mc_addr,
548 				      (void **)&psp->km_ring.ring_mem);
549 
550 	amdgpu_bo_free_kernel(&psp->fw_pri_bo,
551 			      &psp->fw_pri_mc_addr, &psp->fw_pri_buf);
552 	amdgpu_bo_free_kernel(&psp->fence_buf_bo,
553 			      &psp->fence_buf_mc_addr, &psp->fence_buf);
554 	amdgpu_bo_free_kernel(&psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
555 			      (void **)&psp->cmd_buf_mem);
556 
557 	return 0;
558 }
559 
560 int psp_wait_for(struct psp_context *psp, uint32_t reg_index,
561 		 uint32_t reg_val, uint32_t mask, bool check_changed)
562 {
563 	uint32_t val;
564 	int i;
565 	struct amdgpu_device *adev = psp->adev;
566 
567 	if (psp->adev->no_hw_access)
568 		return 0;
569 
570 	for (i = 0; i < adev->usec_timeout; i++) {
571 		val = RREG32(reg_index);
572 		if (check_changed) {
573 			if (val != reg_val)
574 				return 0;
575 		} else {
576 			if ((val & mask) == reg_val)
577 				return 0;
578 		}
579 		udelay(1);
580 	}
581 
582 	return -ETIME;
583 }
584 
585 int psp_wait_for_spirom_update(struct psp_context *psp, uint32_t reg_index,
586 			       uint32_t reg_val, uint32_t mask, uint32_t msec_timeout)
587 {
588 	uint32_t val;
589 	int i;
590 	struct amdgpu_device *adev = psp->adev;
591 
592 	if (psp->adev->no_hw_access)
593 		return 0;
594 
595 	for (i = 0; i < msec_timeout; i++) {
596 		val = RREG32(reg_index);
597 		if ((val & mask) == reg_val)
598 			return 0;
599 		msleep(1);
600 	}
601 
602 	return -ETIME;
603 }
604 
605 static const char *psp_gfx_cmd_name(enum psp_gfx_cmd_id cmd_id)
606 {
607 	switch (cmd_id) {
608 	case GFX_CMD_ID_LOAD_TA:
609 		return "LOAD_TA";
610 	case GFX_CMD_ID_UNLOAD_TA:
611 		return "UNLOAD_TA";
612 	case GFX_CMD_ID_INVOKE_CMD:
613 		return "INVOKE_CMD";
614 	case GFX_CMD_ID_LOAD_ASD:
615 		return "LOAD_ASD";
616 	case GFX_CMD_ID_SETUP_TMR:
617 		return "SETUP_TMR";
618 	case GFX_CMD_ID_LOAD_IP_FW:
619 		return "LOAD_IP_FW";
620 	case GFX_CMD_ID_DESTROY_TMR:
621 		return "DESTROY_TMR";
622 	case GFX_CMD_ID_SAVE_RESTORE:
623 		return "SAVE_RESTORE_IP_FW";
624 	case GFX_CMD_ID_SETUP_VMR:
625 		return "SETUP_VMR";
626 	case GFX_CMD_ID_DESTROY_VMR:
627 		return "DESTROY_VMR";
628 	case GFX_CMD_ID_PROG_REG:
629 		return "PROG_REG";
630 	case GFX_CMD_ID_GET_FW_ATTESTATION:
631 		return "GET_FW_ATTESTATION";
632 	case GFX_CMD_ID_LOAD_TOC:
633 		return "ID_LOAD_TOC";
634 	case GFX_CMD_ID_AUTOLOAD_RLC:
635 		return "AUTOLOAD_RLC";
636 	case GFX_CMD_ID_BOOT_CFG:
637 		return "BOOT_CFG";
638 	default:
639 		return "UNKNOWN CMD";
640 	}
641 }
642 
643 static bool psp_err_warn(struct psp_context *psp)
644 {
645 	struct psp_gfx_cmd_resp *cmd = psp->cmd_buf_mem;
646 
647 	/* This response indicates reg list is already loaded */
648 	if (amdgpu_ip_version(psp->adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 2) &&
649 	    cmd->cmd_id == GFX_CMD_ID_LOAD_IP_FW &&
650 	    cmd->cmd.cmd_load_ip_fw.fw_type == GFX_FW_TYPE_REG_LIST &&
651 	    cmd->resp.status == TEE_ERROR_CANCEL)
652 		return false;
653 
654 	return true;
655 }
656 
657 static int
658 psp_cmd_submit_buf(struct psp_context *psp,
659 		   struct amdgpu_firmware_info *ucode,
660 		   struct psp_gfx_cmd_resp *cmd, uint64_t fence_mc_addr)
661 {
662 	int ret;
663 	int index;
664 	int timeout = psp->adev->psp_timeout;
665 	bool ras_intr = false;
666 	bool skip_unsupport = false;
667 
668 	if (psp->adev->no_hw_access)
669 		return 0;
670 
671 	memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE);
672 
673 	memcpy(psp->cmd_buf_mem, cmd, sizeof(struct psp_gfx_cmd_resp));
674 
675 	index = atomic_inc_return(&psp->fence_value);
676 	ret = psp_ring_cmd_submit(psp, psp->cmd_buf_mc_addr, fence_mc_addr, index);
677 	if (ret) {
678 		atomic_dec(&psp->fence_value);
679 		goto exit;
680 	}
681 
682 	amdgpu_device_invalidate_hdp(psp->adev, NULL);
683 	while (*((unsigned int *)psp->fence_buf) != index) {
684 		if (--timeout == 0)
685 			break;
686 		/*
687 		 * Shouldn't wait for timeout when err_event_athub occurs,
688 		 * because gpu reset thread triggered and lock resource should
689 		 * be released for psp resume sequence.
690 		 */
691 		ras_intr = amdgpu_ras_intr_triggered();
692 		if (ras_intr)
693 			break;
694 		usleep_range(10, 100);
695 		amdgpu_device_invalidate_hdp(psp->adev, NULL);
696 	}
697 
698 	/* We allow TEE_ERROR_NOT_SUPPORTED for VMR command and PSP_ERR_UNKNOWN_COMMAND in SRIOV */
699 	skip_unsupport = (psp->cmd_buf_mem->resp.status == TEE_ERROR_NOT_SUPPORTED ||
700 		psp->cmd_buf_mem->resp.status == PSP_ERR_UNKNOWN_COMMAND) && amdgpu_sriov_vf(psp->adev);
701 
702 	memcpy(&cmd->resp, &psp->cmd_buf_mem->resp, sizeof(struct psp_gfx_resp));
703 
704 	/* In some cases, psp response status is not 0 even there is no
705 	 * problem while the command is submitted. Some version of PSP FW
706 	 * doesn't write 0 to that field.
707 	 * So here we would like to only print a warning instead of an error
708 	 * during psp initialization to avoid breaking hw_init and it doesn't
709 	 * return -EINVAL.
710 	 */
711 	if (!skip_unsupport && (psp->cmd_buf_mem->resp.status || !timeout) && !ras_intr) {
712 		if (ucode)
713 			dev_warn(psp->adev->dev,
714 				 "failed to load ucode %s(0x%X) ",
715 				 amdgpu_ucode_name(ucode->ucode_id), ucode->ucode_id);
716 		if (psp_err_warn(psp))
717 			dev_warn(
718 				psp->adev->dev,
719 				"psp gfx command %s(0x%X) failed and response status is (0x%X)\n",
720 				psp_gfx_cmd_name(psp->cmd_buf_mem->cmd_id),
721 				psp->cmd_buf_mem->cmd_id,
722 				psp->cmd_buf_mem->resp.status);
723 		/* If any firmware (including CAP) load fails under SRIOV, it should
724 		 * return failure to stop the VF from initializing.
725 		 * Also return failure in case of timeout
726 		 */
727 		if ((ucode && amdgpu_sriov_vf(psp->adev)) || !timeout) {
728 			ret = -EINVAL;
729 			goto exit;
730 		}
731 	}
732 
733 	if (ucode) {
734 		ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo;
735 		ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi;
736 	}
737 
738 exit:
739 	return ret;
740 }
741 
742 static struct psp_gfx_cmd_resp *acquire_psp_cmd_buf(struct psp_context *psp)
743 {
744 	struct psp_gfx_cmd_resp *cmd = psp->cmd;
745 
746 	mutex_lock(&psp->mutex);
747 
748 	memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
749 
750 	return cmd;
751 }
752 
753 static void release_psp_cmd_buf(struct psp_context *psp)
754 {
755 	mutex_unlock(&psp->mutex);
756 }
757 
758 static void psp_prep_tmr_cmd_buf(struct psp_context *psp,
759 				 struct psp_gfx_cmd_resp *cmd,
760 				 uint64_t tmr_mc, struct amdgpu_bo *tmr_bo)
761 {
762 	struct amdgpu_device *adev = psp->adev;
763 	uint32_t size = 0;
764 	uint64_t tmr_pa = 0;
765 
766 	if (tmr_bo) {
767 		size = amdgpu_bo_size(tmr_bo);
768 		tmr_pa = amdgpu_gmc_vram_pa(adev, tmr_bo);
769 	}
770 
771 	if (amdgpu_sriov_vf(psp->adev))
772 		cmd->cmd_id = GFX_CMD_ID_SETUP_VMR;
773 	else
774 		cmd->cmd_id = GFX_CMD_ID_SETUP_TMR;
775 	cmd->cmd.cmd_setup_tmr.buf_phy_addr_lo = lower_32_bits(tmr_mc);
776 	cmd->cmd.cmd_setup_tmr.buf_phy_addr_hi = upper_32_bits(tmr_mc);
777 	cmd->cmd.cmd_setup_tmr.buf_size = size;
778 	cmd->cmd.cmd_setup_tmr.bitfield.virt_phy_addr = 1;
779 	cmd->cmd.cmd_setup_tmr.system_phy_addr_lo = lower_32_bits(tmr_pa);
780 	cmd->cmd.cmd_setup_tmr.system_phy_addr_hi = upper_32_bits(tmr_pa);
781 }
782 
783 static void psp_prep_load_toc_cmd_buf(struct psp_gfx_cmd_resp *cmd,
784 				      uint64_t pri_buf_mc, uint32_t size)
785 {
786 	cmd->cmd_id = GFX_CMD_ID_LOAD_TOC;
787 	cmd->cmd.cmd_load_toc.toc_phy_addr_lo = lower_32_bits(pri_buf_mc);
788 	cmd->cmd.cmd_load_toc.toc_phy_addr_hi = upper_32_bits(pri_buf_mc);
789 	cmd->cmd.cmd_load_toc.toc_size = size;
790 }
791 
792 /* Issue LOAD TOC cmd to PSP to part toc and calculate tmr size needed */
793 static int psp_load_toc(struct psp_context *psp,
794 			uint32_t *tmr_size)
795 {
796 	int ret;
797 	struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
798 
799 	/* Copy toc to psp firmware private buffer */
800 	psp_copy_fw(psp, psp->toc.start_addr, psp->toc.size_bytes);
801 
802 	psp_prep_load_toc_cmd_buf(cmd, psp->fw_pri_mc_addr, psp->toc.size_bytes);
803 
804 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
805 				 psp->fence_buf_mc_addr);
806 	if (!ret)
807 		*tmr_size = psp->cmd_buf_mem->resp.tmr_size;
808 
809 	release_psp_cmd_buf(psp);
810 
811 	return ret;
812 }
813 
814 /* Set up Trusted Memory Region */
815 static int psp_tmr_init(struct psp_context *psp)
816 {
817 	int ret = 0;
818 	int tmr_size;
819 	void *tmr_buf;
820 	void **pptr;
821 
822 	/*
823 	 * According to HW engineer, they prefer the TMR address be "naturally
824 	 * aligned" , e.g. the start address be an integer divide of TMR size.
825 	 *
826 	 * Note: this memory need be reserved till the driver
827 	 * uninitializes.
828 	 */
829 	tmr_size = PSP_TMR_SIZE(psp->adev);
830 
831 	/* For ASICs support RLC autoload, psp will parse the toc
832 	 * and calculate the total size of TMR needed
833 	 */
834 	if (!amdgpu_sriov_vf(psp->adev) &&
835 	    psp->toc.start_addr &&
836 	    psp->toc.size_bytes &&
837 	    psp->fw_pri_buf) {
838 		ret = psp_load_toc(psp, &tmr_size);
839 		if (ret) {
840 			dev_err(psp->adev->dev, "Failed to load toc\n");
841 			return ret;
842 		}
843 	}
844 
845 	if (!psp->tmr_bo && !psp->boot_time_tmr) {
846 		pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
847 		ret = amdgpu_bo_create_kernel(psp->adev, tmr_size,
848 					      PSP_TMR_ALIGNMENT,
849 					      AMDGPU_HAS_VRAM(psp->adev) ?
850 					      AMDGPU_GEM_DOMAIN_VRAM :
851 					      AMDGPU_GEM_DOMAIN_GTT,
852 					      &psp->tmr_bo, &psp->tmr_mc_addr,
853 					      pptr);
854 	}
855 
856 	return ret;
857 }
858 
859 static bool psp_skip_tmr(struct psp_context *psp)
860 {
861 	switch (amdgpu_ip_version(psp->adev, MP0_HWIP, 0)) {
862 	case IP_VERSION(11, 0, 9):
863 	case IP_VERSION(11, 0, 7):
864 	case IP_VERSION(13, 0, 2):
865 	case IP_VERSION(13, 0, 6):
866 	case IP_VERSION(13, 0, 10):
867 		return true;
868 	default:
869 		return false;
870 	}
871 }
872 
873 static int psp_tmr_load(struct psp_context *psp)
874 {
875 	int ret;
876 	struct psp_gfx_cmd_resp *cmd;
877 
878 	/* For Navi12 and CHIP_SIENNA_CICHLID SRIOV, do not set up TMR.
879 	 * Already set up by host driver.
880 	 */
881 	if (amdgpu_sriov_vf(psp->adev) && psp_skip_tmr(psp))
882 		return 0;
883 
884 	cmd = acquire_psp_cmd_buf(psp);
885 
886 	psp_prep_tmr_cmd_buf(psp, cmd, psp->tmr_mc_addr, psp->tmr_bo);
887 	if (psp->tmr_bo)
888 		dev_info(psp->adev->dev, "reserve 0x%lx from 0x%llx for PSP TMR\n",
889 			 amdgpu_bo_size(psp->tmr_bo), psp->tmr_mc_addr);
890 
891 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
892 				 psp->fence_buf_mc_addr);
893 
894 	release_psp_cmd_buf(psp);
895 
896 	return ret;
897 }
898 
899 static void psp_prep_tmr_unload_cmd_buf(struct psp_context *psp,
900 					struct psp_gfx_cmd_resp *cmd)
901 {
902 	if (amdgpu_sriov_vf(psp->adev))
903 		cmd->cmd_id = GFX_CMD_ID_DESTROY_VMR;
904 	else
905 		cmd->cmd_id = GFX_CMD_ID_DESTROY_TMR;
906 }
907 
908 static int psp_tmr_unload(struct psp_context *psp)
909 {
910 	int ret;
911 	struct psp_gfx_cmd_resp *cmd;
912 
913 	/* skip TMR unload for Navi12 and CHIP_SIENNA_CICHLID SRIOV,
914 	 * as TMR is not loaded at all
915 	 */
916 	if (amdgpu_sriov_vf(psp->adev) && psp_skip_tmr(psp))
917 		return 0;
918 
919 	cmd = acquire_psp_cmd_buf(psp);
920 
921 	psp_prep_tmr_unload_cmd_buf(psp, cmd);
922 	dev_dbg(psp->adev->dev, "free PSP TMR buffer\n");
923 
924 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
925 				 psp->fence_buf_mc_addr);
926 
927 	release_psp_cmd_buf(psp);
928 
929 	return ret;
930 }
931 
932 static int psp_tmr_terminate(struct psp_context *psp)
933 {
934 	return psp_tmr_unload(psp);
935 }
936 
937 int psp_get_fw_attestation_records_addr(struct psp_context *psp,
938 					uint64_t *output_ptr)
939 {
940 	int ret;
941 	struct psp_gfx_cmd_resp *cmd;
942 
943 	if (!output_ptr)
944 		return -EINVAL;
945 
946 	if (amdgpu_sriov_vf(psp->adev))
947 		return 0;
948 
949 	cmd = acquire_psp_cmd_buf(psp);
950 
951 	cmd->cmd_id = GFX_CMD_ID_GET_FW_ATTESTATION;
952 
953 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
954 				 psp->fence_buf_mc_addr);
955 
956 	if (!ret) {
957 		*output_ptr = ((uint64_t)cmd->resp.uresp.fwar_db_info.fwar_db_addr_lo) +
958 			      ((uint64_t)cmd->resp.uresp.fwar_db_info.fwar_db_addr_hi << 32);
959 	}
960 
961 	release_psp_cmd_buf(psp);
962 
963 	return ret;
964 }
965 
966 static int psp_boot_config_get(struct amdgpu_device *adev, uint32_t *boot_cfg)
967 {
968 	struct psp_context *psp = &adev->psp;
969 	struct psp_gfx_cmd_resp *cmd;
970 	int ret;
971 
972 	if (amdgpu_sriov_vf(adev))
973 		return 0;
974 
975 	cmd = acquire_psp_cmd_buf(psp);
976 
977 	cmd->cmd_id = GFX_CMD_ID_BOOT_CFG;
978 	cmd->cmd.boot_cfg.sub_cmd = BOOTCFG_CMD_GET;
979 
980 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
981 	if (!ret) {
982 		*boot_cfg =
983 			(cmd->resp.uresp.boot_cfg.boot_cfg & BOOT_CONFIG_GECC) ? 1 : 0;
984 	}
985 
986 	release_psp_cmd_buf(psp);
987 
988 	return ret;
989 }
990 
991 static int psp_boot_config_set(struct amdgpu_device *adev, uint32_t boot_cfg)
992 {
993 	int ret;
994 	struct psp_context *psp = &adev->psp;
995 	struct psp_gfx_cmd_resp *cmd;
996 
997 	if (amdgpu_sriov_vf(adev))
998 		return 0;
999 
1000 	cmd = acquire_psp_cmd_buf(psp);
1001 
1002 	cmd->cmd_id = GFX_CMD_ID_BOOT_CFG;
1003 	cmd->cmd.boot_cfg.sub_cmd = BOOTCFG_CMD_SET;
1004 	cmd->cmd.boot_cfg.boot_config = boot_cfg;
1005 	cmd->cmd.boot_cfg.boot_config_valid = boot_cfg;
1006 
1007 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1008 
1009 	release_psp_cmd_buf(psp);
1010 
1011 	return ret;
1012 }
1013 
1014 static int psp_rl_load(struct amdgpu_device *adev)
1015 {
1016 	int ret;
1017 	struct psp_context *psp = &adev->psp;
1018 	struct psp_gfx_cmd_resp *cmd;
1019 
1020 	if (!is_psp_fw_valid(psp->rl))
1021 		return 0;
1022 
1023 	cmd = acquire_psp_cmd_buf(psp);
1024 
1025 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
1026 	memcpy(psp->fw_pri_buf, psp->rl.start_addr, psp->rl.size_bytes);
1027 
1028 	cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW;
1029 	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(psp->fw_pri_mc_addr);
1030 	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(psp->fw_pri_mc_addr);
1031 	cmd->cmd.cmd_load_ip_fw.fw_size = psp->rl.size_bytes;
1032 	cmd->cmd.cmd_load_ip_fw.fw_type = GFX_FW_TYPE_REG_LIST;
1033 
1034 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1035 
1036 	release_psp_cmd_buf(psp);
1037 
1038 	return ret;
1039 }
1040 
1041 int psp_spatial_partition(struct psp_context *psp, int mode)
1042 {
1043 	struct psp_gfx_cmd_resp *cmd;
1044 	int ret;
1045 
1046 	if (amdgpu_sriov_vf(psp->adev))
1047 		return 0;
1048 
1049 	cmd = acquire_psp_cmd_buf(psp);
1050 
1051 	cmd->cmd_id = GFX_CMD_ID_SRIOV_SPATIAL_PART;
1052 	cmd->cmd.cmd_spatial_part.mode = mode;
1053 
1054 	dev_info(psp->adev->dev, "Requesting %d partitions through PSP", mode);
1055 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1056 
1057 	release_psp_cmd_buf(psp);
1058 
1059 	return ret;
1060 }
1061 
1062 static int psp_asd_initialize(struct psp_context *psp)
1063 {
1064 	int ret;
1065 
1066 	/* If PSP version doesn't match ASD version, asd loading will be failed.
1067 	 * add workaround to bypass it for sriov now.
1068 	 * TODO: add version check to make it common
1069 	 */
1070 	if (amdgpu_sriov_vf(psp->adev) || !psp->asd_context.bin_desc.size_bytes)
1071 		return 0;
1072 
1073 	/* bypass asd if display hardware is not available */
1074 	if (!amdgpu_device_has_display_hardware(psp->adev) &&
1075 	    amdgpu_ip_version(psp->adev, MP0_HWIP, 0) >= IP_VERSION(13, 0, 10))
1076 		return 0;
1077 
1078 	psp->asd_context.mem_context.shared_mc_addr  = 0;
1079 	psp->asd_context.mem_context.shared_mem_size = PSP_ASD_SHARED_MEM_SIZE;
1080 	psp->asd_context.ta_load_type                = GFX_CMD_ID_LOAD_ASD;
1081 
1082 	ret = psp_ta_load(psp, &psp->asd_context);
1083 	if (!ret)
1084 		psp->asd_context.initialized = true;
1085 
1086 	return ret;
1087 }
1088 
1089 static void psp_prep_ta_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
1090 				       uint32_t session_id)
1091 {
1092 	cmd->cmd_id = GFX_CMD_ID_UNLOAD_TA;
1093 	cmd->cmd.cmd_unload_ta.session_id = session_id;
1094 }
1095 
1096 int psp_ta_unload(struct psp_context *psp, struct ta_context *context)
1097 {
1098 	int ret;
1099 	struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
1100 
1101 	psp_prep_ta_unload_cmd_buf(cmd, context->session_id);
1102 
1103 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1104 
1105 	context->resp_status = cmd->resp.status;
1106 
1107 	release_psp_cmd_buf(psp);
1108 
1109 	return ret;
1110 }
1111 
1112 static int psp_asd_terminate(struct psp_context *psp)
1113 {
1114 	int ret;
1115 
1116 	if (amdgpu_sriov_vf(psp->adev))
1117 		return 0;
1118 
1119 	if (!psp->asd_context.initialized)
1120 		return 0;
1121 
1122 	ret = psp_ta_unload(psp, &psp->asd_context);
1123 	if (!ret)
1124 		psp->asd_context.initialized = false;
1125 
1126 	return ret;
1127 }
1128 
1129 static void psp_prep_reg_prog_cmd_buf(struct psp_gfx_cmd_resp *cmd,
1130 		uint32_t id, uint32_t value)
1131 {
1132 	cmd->cmd_id = GFX_CMD_ID_PROG_REG;
1133 	cmd->cmd.cmd_setup_reg_prog.reg_value = value;
1134 	cmd->cmd.cmd_setup_reg_prog.reg_id = id;
1135 }
1136 
1137 int psp_reg_program(struct psp_context *psp, enum psp_reg_prog_id reg,
1138 		uint32_t value)
1139 {
1140 	struct psp_gfx_cmd_resp *cmd;
1141 	int ret = 0;
1142 
1143 	if (reg >= PSP_REG_LAST)
1144 		return -EINVAL;
1145 
1146 	cmd = acquire_psp_cmd_buf(psp);
1147 
1148 	psp_prep_reg_prog_cmd_buf(cmd, reg, value);
1149 	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
1150 	if (ret)
1151 		dev_err(psp->adev->dev, "PSP failed to program reg id %d\n", reg);
1152 
1153 	release_psp_cmd_buf(psp);
1154 
1155 	return ret;
1156 }
1157 
1158 static void psp_prep_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
1159 				     uint64_t ta_bin_mc,
1160 				     struct ta_context *context)
1161 {
1162 	cmd->cmd_id				= context->ta_load_type;
1163 	cmd->cmd.cmd_load_ta.app_phy_addr_lo	= lower_32_bits(ta_bin_mc);
1164 	cmd->cmd.cmd_load_ta.app_phy_addr_hi	= upper_32_bits(ta_bin_mc);
1165 	cmd->cmd.cmd_load_ta.app_len		= context->bin_desc.size_bytes;
1166 
1167 	cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_lo =
1168 		lower_32_bits(context->mem_context.shared_mc_addr);
1169 	cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_hi =
1170 		upper_32_bits(context->mem_context.shared_mc_addr);
1171 	cmd->cmd.cmd_load_ta.cmd_buf_len = context->mem_context.shared_mem_size;
1172 }
1173 
1174 int psp_ta_init_shared_buf(struct psp_context *psp,
1175 				  struct ta_mem_context *mem_ctx)
1176 {
1177 	/*
1178 	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
1179 	 * physical) for ta to host memory
1180 	 */
1181 	return amdgpu_bo_create_kernel(psp->adev, mem_ctx->shared_mem_size,
1182 				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM |
1183 				      AMDGPU_GEM_DOMAIN_GTT,
1184 				      &mem_ctx->shared_bo,
1185 				      &mem_ctx->shared_mc_addr,
1186 				      &mem_ctx->shared_buf);
1187 }
1188 
1189 static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
1190 				       uint32_t ta_cmd_id,
1191 				       uint32_t session_id)
1192 {
1193 	cmd->cmd_id				= GFX_CMD_ID_INVOKE_CMD;
1194 	cmd->cmd.cmd_invoke_cmd.session_id	= session_id;
1195 	cmd->cmd.cmd_invoke_cmd.ta_cmd_id	= ta_cmd_id;
1196 }
1197 
1198 int psp_ta_invoke(struct psp_context *psp,
1199 		  uint32_t ta_cmd_id,
1200 		  struct ta_context *context)
1201 {
1202 	int ret;
1203 	struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
1204 
1205 	psp_prep_ta_invoke_cmd_buf(cmd, ta_cmd_id, context->session_id);
1206 
1207 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
1208 				 psp->fence_buf_mc_addr);
1209 
1210 	context->resp_status = cmd->resp.status;
1211 
1212 	release_psp_cmd_buf(psp);
1213 
1214 	return ret;
1215 }
1216 
1217 int psp_ta_load(struct psp_context *psp, struct ta_context *context)
1218 {
1219 	int ret;
1220 	struct psp_gfx_cmd_resp *cmd;
1221 
1222 	cmd = acquire_psp_cmd_buf(psp);
1223 
1224 	psp_copy_fw(psp, context->bin_desc.start_addr,
1225 		    context->bin_desc.size_bytes);
1226 
1227 	psp_prep_ta_load_cmd_buf(cmd, psp->fw_pri_mc_addr, context);
1228 
1229 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
1230 				 psp->fence_buf_mc_addr);
1231 
1232 	context->resp_status = cmd->resp.status;
1233 
1234 	if (!ret)
1235 		context->session_id = cmd->resp.session_id;
1236 
1237 	release_psp_cmd_buf(psp);
1238 
1239 	return ret;
1240 }
1241 
1242 int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
1243 {
1244 	return psp_ta_invoke(psp, ta_cmd_id, &psp->xgmi_context.context);
1245 }
1246 
1247 int psp_xgmi_terminate(struct psp_context *psp)
1248 {
1249 	int ret;
1250 	struct amdgpu_device *adev = psp->adev;
1251 
1252 	/* XGMI TA unload currently is not supported on Arcturus/Aldebaran A+A */
1253 	if (amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(11, 0, 4) ||
1254 	    (amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 2) &&
1255 	     adev->gmc.xgmi.connected_to_cpu))
1256 		return 0;
1257 
1258 	if (!psp->xgmi_context.context.initialized)
1259 		return 0;
1260 
1261 	ret = psp_ta_unload(psp, &psp->xgmi_context.context);
1262 
1263 	psp->xgmi_context.context.initialized = false;
1264 
1265 	return ret;
1266 }
1267 
1268 int psp_xgmi_initialize(struct psp_context *psp, bool set_extended_data, bool load_ta)
1269 {
1270 	struct ta_xgmi_shared_memory *xgmi_cmd;
1271 	int ret;
1272 
1273 	if (!psp->ta_fw ||
1274 	    !psp->xgmi_context.context.bin_desc.size_bytes ||
1275 	    !psp->xgmi_context.context.bin_desc.start_addr)
1276 		return -ENOENT;
1277 
1278 	if (!load_ta)
1279 		goto invoke;
1280 
1281 	psp->xgmi_context.context.mem_context.shared_mem_size = PSP_XGMI_SHARED_MEM_SIZE;
1282 	psp->xgmi_context.context.ta_load_type = GFX_CMD_ID_LOAD_TA;
1283 
1284 	if (!psp->xgmi_context.context.mem_context.shared_buf) {
1285 		ret = psp_ta_init_shared_buf(psp, &psp->xgmi_context.context.mem_context);
1286 		if (ret)
1287 			return ret;
1288 	}
1289 
1290 	/* Load XGMI TA */
1291 	ret = psp_ta_load(psp, &psp->xgmi_context.context);
1292 	if (!ret)
1293 		psp->xgmi_context.context.initialized = true;
1294 	else
1295 		return ret;
1296 
1297 invoke:
1298 	/* Initialize XGMI session */
1299 	xgmi_cmd = (struct ta_xgmi_shared_memory *)(psp->xgmi_context.context.mem_context.shared_buf);
1300 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
1301 	xgmi_cmd->flag_extend_link_record = set_extended_data;
1302 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__INITIALIZE;
1303 
1304 	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
1305 	/* note down the capbility flag for XGMI TA */
1306 	psp->xgmi_context.xgmi_ta_caps = xgmi_cmd->caps_flag;
1307 
1308 	return ret;
1309 }
1310 
1311 int psp_xgmi_get_hive_id(struct psp_context *psp, uint64_t *hive_id)
1312 {
1313 	struct ta_xgmi_shared_memory *xgmi_cmd;
1314 	int ret;
1315 
1316 	xgmi_cmd = (struct ta_xgmi_shared_memory *)psp->xgmi_context.context.mem_context.shared_buf;
1317 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
1318 
1319 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_HIVE_ID;
1320 
1321 	/* Invoke xgmi ta to get hive id */
1322 	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
1323 	if (ret)
1324 		return ret;
1325 
1326 	*hive_id = xgmi_cmd->xgmi_out_message.get_hive_id.hive_id;
1327 
1328 	return 0;
1329 }
1330 
1331 int psp_xgmi_get_node_id(struct psp_context *psp, uint64_t *node_id)
1332 {
1333 	struct ta_xgmi_shared_memory *xgmi_cmd;
1334 	int ret;
1335 
1336 	xgmi_cmd = (struct ta_xgmi_shared_memory *)psp->xgmi_context.context.mem_context.shared_buf;
1337 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
1338 
1339 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_NODE_ID;
1340 
1341 	/* Invoke xgmi ta to get the node id */
1342 	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
1343 	if (ret)
1344 		return ret;
1345 
1346 	*node_id = xgmi_cmd->xgmi_out_message.get_node_id.node_id;
1347 
1348 	return 0;
1349 }
1350 
1351 static bool psp_xgmi_peer_link_info_supported(struct psp_context *psp)
1352 {
1353 	return (amdgpu_ip_version(psp->adev, MP0_HWIP, 0) ==
1354 			IP_VERSION(13, 0, 2) &&
1355 		psp->xgmi_context.context.bin_desc.fw_version >= 0x2000000b) ||
1356 	       amdgpu_ip_version(psp->adev, MP0_HWIP, 0) >=
1357 		       IP_VERSION(13, 0, 6);
1358 }
1359 
1360 /*
1361  * Chips that support extended topology information require the driver to
1362  * reflect topology information in the opposite direction.  This is
1363  * because the TA has already exceeded its link record limit and if the
1364  * TA holds bi-directional information, the driver would have to do
1365  * multiple fetches instead of just two.
1366  */
1367 static void psp_xgmi_reflect_topology_info(struct psp_context *psp,
1368 					struct psp_xgmi_node_info node_info)
1369 {
1370 	struct amdgpu_device *mirror_adev;
1371 	struct amdgpu_hive_info *hive;
1372 	uint64_t src_node_id = psp->adev->gmc.xgmi.node_id;
1373 	uint64_t dst_node_id = node_info.node_id;
1374 	uint8_t dst_num_hops = node_info.num_hops;
1375 	uint8_t dst_num_links = node_info.num_links;
1376 
1377 	hive = amdgpu_get_xgmi_hive(psp->adev);
1378 	list_for_each_entry(mirror_adev, &hive->device_list, gmc.xgmi.head) {
1379 		struct psp_xgmi_topology_info *mirror_top_info;
1380 		int j;
1381 
1382 		if (mirror_adev->gmc.xgmi.node_id != dst_node_id)
1383 			continue;
1384 
1385 		mirror_top_info = &mirror_adev->psp.xgmi_context.top_info;
1386 		for (j = 0; j < mirror_top_info->num_nodes; j++) {
1387 			if (mirror_top_info->nodes[j].node_id != src_node_id)
1388 				continue;
1389 
1390 			mirror_top_info->nodes[j].num_hops = dst_num_hops;
1391 			/*
1392 			 * prevent 0 num_links value re-reflection since reflection
1393 			 * criteria is based on num_hops (direct or indirect).
1394 			 *
1395 			 */
1396 			if (dst_num_links)
1397 				mirror_top_info->nodes[j].num_links = dst_num_links;
1398 
1399 			break;
1400 		}
1401 
1402 		break;
1403 	}
1404 
1405 	amdgpu_put_xgmi_hive(hive);
1406 }
1407 
1408 int psp_xgmi_get_topology_info(struct psp_context *psp,
1409 			       int number_devices,
1410 			       struct psp_xgmi_topology_info *topology,
1411 			       bool get_extended_data)
1412 {
1413 	struct ta_xgmi_shared_memory *xgmi_cmd;
1414 	struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
1415 	struct ta_xgmi_cmd_get_topology_info_output *topology_info_output;
1416 	int i;
1417 	int ret;
1418 
1419 	if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
1420 		return -EINVAL;
1421 
1422 	xgmi_cmd = (struct ta_xgmi_shared_memory *)psp->xgmi_context.context.mem_context.shared_buf;
1423 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
1424 	xgmi_cmd->flag_extend_link_record = get_extended_data;
1425 
1426 	/* Fill in the shared memory with topology information as input */
1427 	topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
1428 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_TOPOLOGY_INFO;
1429 	topology_info_input->num_nodes = number_devices;
1430 
1431 	for (i = 0; i < topology_info_input->num_nodes; i++) {
1432 		topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
1433 		topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
1434 		topology_info_input->nodes[i].is_sharing_enabled = topology->nodes[i].is_sharing_enabled;
1435 		topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
1436 	}
1437 
1438 	/* Invoke xgmi ta to get the topology information */
1439 	ret = psp_xgmi_invoke(psp, TA_COMMAND_XGMI__GET_TOPOLOGY_INFO);
1440 	if (ret)
1441 		return ret;
1442 
1443 	/* Read the output topology information from the shared memory */
1444 	topology_info_output = &xgmi_cmd->xgmi_out_message.get_topology_info;
1445 	topology->num_nodes = xgmi_cmd->xgmi_out_message.get_topology_info.num_nodes;
1446 	for (i = 0; i < topology->num_nodes; i++) {
1447 		/* extended data will either be 0 or equal to non-extended data */
1448 		if (topology_info_output->nodes[i].num_hops)
1449 			topology->nodes[i].num_hops = topology_info_output->nodes[i].num_hops;
1450 
1451 		/* non-extended data gets everything here so no need to update */
1452 		if (!get_extended_data) {
1453 			topology->nodes[i].node_id = topology_info_output->nodes[i].node_id;
1454 			topology->nodes[i].is_sharing_enabled =
1455 					topology_info_output->nodes[i].is_sharing_enabled;
1456 			topology->nodes[i].sdma_engine =
1457 					topology_info_output->nodes[i].sdma_engine;
1458 		}
1459 
1460 	}
1461 
1462 	/* Invoke xgmi ta again to get the link information */
1463 	if (psp_xgmi_peer_link_info_supported(psp)) {
1464 		struct ta_xgmi_cmd_get_peer_link_info *link_info_output;
1465 		struct ta_xgmi_cmd_get_extend_peer_link_info *link_extend_info_output;
1466 		bool requires_reflection =
1467 			(psp->xgmi_context.supports_extended_data &&
1468 			 get_extended_data) ||
1469 			amdgpu_ip_version(psp->adev, MP0_HWIP, 0) ==
1470 				IP_VERSION(13, 0, 6);
1471 		bool ta_port_num_support = amdgpu_sriov_vf(psp->adev) ? 0 :
1472 				psp->xgmi_context.xgmi_ta_caps & EXTEND_PEER_LINK_INFO_CMD_FLAG;
1473 
1474 		/* popluate the shared output buffer rather than the cmd input buffer
1475 		 * with node_ids as the input for GET_PEER_LINKS command execution.
1476 		 * This is required for GET_PEER_LINKS per xgmi ta implementation.
1477 		 * The same requirement for GET_EXTEND_PEER_LINKS command.
1478 		 */
1479 		if (ta_port_num_support) {
1480 			link_extend_info_output = &xgmi_cmd->xgmi_out_message.get_extend_link_info;
1481 
1482 			for (i = 0; i < topology->num_nodes; i++)
1483 				link_extend_info_output->nodes[i].node_id = topology->nodes[i].node_id;
1484 
1485 			link_extend_info_output->num_nodes = topology->num_nodes;
1486 			xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_EXTEND_PEER_LINKS;
1487 		} else {
1488 			link_info_output = &xgmi_cmd->xgmi_out_message.get_link_info;
1489 
1490 			for (i = 0; i < topology->num_nodes; i++)
1491 				link_info_output->nodes[i].node_id = topology->nodes[i].node_id;
1492 
1493 			link_info_output->num_nodes = topology->num_nodes;
1494 			xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_PEER_LINKS;
1495 		}
1496 
1497 		ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
1498 		if (ret)
1499 			return ret;
1500 
1501 		for (i = 0; i < topology->num_nodes; i++) {
1502 			uint8_t node_num_links = ta_port_num_support ?
1503 				link_extend_info_output->nodes[i].num_links : link_info_output->nodes[i].num_links;
1504 			/* accumulate num_links on extended data */
1505 			if (get_extended_data) {
1506 				topology->nodes[i].num_links = topology->nodes[i].num_links + node_num_links;
1507 			} else {
1508 				topology->nodes[i].num_links = (requires_reflection && topology->nodes[i].num_links) ?
1509 								topology->nodes[i].num_links : node_num_links;
1510 			}
1511 			/* popluate the connected port num info if supported and available */
1512 			if (ta_port_num_support && topology->nodes[i].num_links) {
1513 				memcpy(topology->nodes[i].port_num, link_extend_info_output->nodes[i].port_num,
1514 				       sizeof(struct xgmi_connected_port_num) * TA_XGMI__MAX_PORT_NUM);
1515 			}
1516 
1517 			/* reflect the topology information for bi-directionality */
1518 			if (requires_reflection && topology->nodes[i].num_hops)
1519 				psp_xgmi_reflect_topology_info(psp, topology->nodes[i]);
1520 		}
1521 	}
1522 
1523 	return 0;
1524 }
1525 
1526 int psp_xgmi_set_topology_info(struct psp_context *psp,
1527 			       int number_devices,
1528 			       struct psp_xgmi_topology_info *topology)
1529 {
1530 	struct ta_xgmi_shared_memory *xgmi_cmd;
1531 	struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
1532 	int i;
1533 
1534 	if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
1535 		return -EINVAL;
1536 
1537 	xgmi_cmd = (struct ta_xgmi_shared_memory *)psp->xgmi_context.context.mem_context.shared_buf;
1538 	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
1539 
1540 	topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
1541 	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__SET_TOPOLOGY_INFO;
1542 	topology_info_input->num_nodes = number_devices;
1543 
1544 	for (i = 0; i < topology_info_input->num_nodes; i++) {
1545 		topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
1546 		topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
1547 		topology_info_input->nodes[i].is_sharing_enabled = 1;
1548 		topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
1549 	}
1550 
1551 	/* Invoke xgmi ta to set topology information */
1552 	return psp_xgmi_invoke(psp, TA_COMMAND_XGMI__SET_TOPOLOGY_INFO);
1553 }
1554 
1555 // ras begin
1556 static void psp_ras_ta_check_status(struct psp_context *psp)
1557 {
1558 	struct ta_ras_shared_memory *ras_cmd =
1559 		(struct ta_ras_shared_memory *)psp->ras_context.context.mem_context.shared_buf;
1560 
1561 	switch (ras_cmd->ras_status) {
1562 	case TA_RAS_STATUS__ERROR_UNSUPPORTED_IP:
1563 		dev_warn(psp->adev->dev,
1564 			 "RAS WARNING: cmd failed due to unsupported ip\n");
1565 		break;
1566 	case TA_RAS_STATUS__ERROR_UNSUPPORTED_ERROR_INJ:
1567 		dev_warn(psp->adev->dev,
1568 			 "RAS WARNING: cmd failed due to unsupported error injection\n");
1569 		break;
1570 	case TA_RAS_STATUS__SUCCESS:
1571 		break;
1572 	case TA_RAS_STATUS__TEE_ERROR_ACCESS_DENIED:
1573 		if (ras_cmd->cmd_id == TA_RAS_COMMAND__TRIGGER_ERROR)
1574 			dev_warn(psp->adev->dev,
1575 				 "RAS WARNING: Inject error to critical region is not allowed\n");
1576 		break;
1577 	default:
1578 		dev_warn(psp->adev->dev,
1579 			 "RAS WARNING: ras status = 0x%X\n", ras_cmd->ras_status);
1580 		break;
1581 	}
1582 }
1583 
1584 int psp_ras_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
1585 {
1586 	struct ta_ras_shared_memory *ras_cmd;
1587 	int ret;
1588 
1589 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras_context.context.mem_context.shared_buf;
1590 
1591 	/*
1592 	 * TODO: bypass the loading in sriov for now
1593 	 */
1594 	if (amdgpu_sriov_vf(psp->adev))
1595 		return 0;
1596 
1597 	ret = psp_ta_invoke(psp, ta_cmd_id, &psp->ras_context.context);
1598 
1599 	if (amdgpu_ras_intr_triggered())
1600 		return ret;
1601 
1602 	if (ras_cmd->if_version > RAS_TA_HOST_IF_VER) {
1603 		dev_warn(psp->adev->dev, "RAS: Unsupported Interface\n");
1604 		return -EINVAL;
1605 	}
1606 
1607 	if (!ret) {
1608 		if (ras_cmd->ras_out_message.flags.err_inject_switch_disable_flag) {
1609 			dev_warn(psp->adev->dev, "ECC switch disabled\n");
1610 
1611 			ras_cmd->ras_status = TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE;
1612 		} else if (ras_cmd->ras_out_message.flags.reg_access_failure_flag)
1613 			dev_warn(psp->adev->dev,
1614 				 "RAS internal register access blocked\n");
1615 
1616 		psp_ras_ta_check_status(psp);
1617 	}
1618 
1619 	return ret;
1620 }
1621 
1622 int psp_ras_enable_features(struct psp_context *psp,
1623 		union ta_ras_cmd_input *info, bool enable)
1624 {
1625 	struct ta_ras_shared_memory *ras_cmd;
1626 	int ret;
1627 
1628 	if (!psp->ras_context.context.initialized)
1629 		return -EINVAL;
1630 
1631 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras_context.context.mem_context.shared_buf;
1632 	memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
1633 
1634 	if (enable)
1635 		ras_cmd->cmd_id = TA_RAS_COMMAND__ENABLE_FEATURES;
1636 	else
1637 		ras_cmd->cmd_id = TA_RAS_COMMAND__DISABLE_FEATURES;
1638 
1639 	ras_cmd->ras_in_message = *info;
1640 
1641 	ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
1642 	if (ret)
1643 		return -EINVAL;
1644 
1645 	return 0;
1646 }
1647 
1648 int psp_ras_terminate(struct psp_context *psp)
1649 {
1650 	int ret;
1651 
1652 	/*
1653 	 * TODO: bypass the terminate in sriov for now
1654 	 */
1655 	if (amdgpu_sriov_vf(psp->adev))
1656 		return 0;
1657 
1658 	if (!psp->ras_context.context.initialized)
1659 		return 0;
1660 
1661 	ret = psp_ta_unload(psp, &psp->ras_context.context);
1662 
1663 	psp->ras_context.context.initialized = false;
1664 
1665 	return ret;
1666 }
1667 
1668 int psp_ras_initialize(struct psp_context *psp)
1669 {
1670 	int ret;
1671 	uint32_t boot_cfg = 0xFF;
1672 	struct amdgpu_device *adev = psp->adev;
1673 	struct ta_ras_shared_memory *ras_cmd;
1674 
1675 	/*
1676 	 * TODO: bypass the initialize in sriov for now
1677 	 */
1678 	if (amdgpu_sriov_vf(adev))
1679 		return 0;
1680 
1681 	if (!adev->psp.ras_context.context.bin_desc.size_bytes ||
1682 	    !adev->psp.ras_context.context.bin_desc.start_addr) {
1683 		dev_info(adev->dev, "RAS: optional ras ta ucode is not available\n");
1684 		return 0;
1685 	}
1686 
1687 	if (amdgpu_atomfirmware_dynamic_boot_config_supported(adev)) {
1688 		/* query GECC enablement status from boot config
1689 		 * boot_cfg: 1: GECC is enabled or 0: GECC is disabled
1690 		 */
1691 		ret = psp_boot_config_get(adev, &boot_cfg);
1692 		if (ret)
1693 			dev_warn(adev->dev, "PSP get boot config failed\n");
1694 
1695 		if (!amdgpu_ras_is_supported(psp->adev, AMDGPU_RAS_BLOCK__UMC)) {
1696 			if (!boot_cfg) {
1697 				dev_info(adev->dev, "GECC is disabled\n");
1698 			} else {
1699 				/* disable GECC in next boot cycle if ras is
1700 				 * disabled by module parameter amdgpu_ras_enable
1701 				 * and/or amdgpu_ras_mask, or boot_config_get call
1702 				 * is failed
1703 				 */
1704 				ret = psp_boot_config_set(adev, 0);
1705 				if (ret)
1706 					dev_warn(adev->dev, "PSP set boot config failed\n");
1707 				else
1708 					dev_warn(adev->dev, "GECC will be disabled in next boot cycle if set amdgpu_ras_enable and/or amdgpu_ras_mask to 0x0\n");
1709 			}
1710 		} else {
1711 			if (boot_cfg == 1) {
1712 				dev_info(adev->dev, "GECC is enabled\n");
1713 			} else {
1714 				/* enable GECC in next boot cycle if it is disabled
1715 				 * in boot config, or force enable GECC if failed to
1716 				 * get boot configuration
1717 				 */
1718 				ret = psp_boot_config_set(adev, BOOT_CONFIG_GECC);
1719 				if (ret)
1720 					dev_warn(adev->dev, "PSP set boot config failed\n");
1721 				else
1722 					dev_warn(adev->dev, "GECC will be enabled in next boot cycle\n");
1723 			}
1724 		}
1725 	}
1726 
1727 	psp->ras_context.context.mem_context.shared_mem_size = PSP_RAS_SHARED_MEM_SIZE;
1728 	psp->ras_context.context.ta_load_type = GFX_CMD_ID_LOAD_TA;
1729 
1730 	if (!psp->ras_context.context.mem_context.shared_buf) {
1731 		ret = psp_ta_init_shared_buf(psp, &psp->ras_context.context.mem_context);
1732 		if (ret)
1733 			return ret;
1734 	}
1735 
1736 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras_context.context.mem_context.shared_buf;
1737 	memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
1738 
1739 	if (amdgpu_ras_is_poison_mode_supported(adev))
1740 		ras_cmd->ras_in_message.init_flags.poison_mode_en = 1;
1741 	if (!adev->gmc.xgmi.connected_to_cpu && !adev->gmc.is_app_apu)
1742 		ras_cmd->ras_in_message.init_flags.dgpu_mode = 1;
1743 	ras_cmd->ras_in_message.init_flags.xcc_mask =
1744 		adev->gfx.xcc_mask;
1745 	ras_cmd->ras_in_message.init_flags.channel_dis_num = hweight32(adev->gmc.m_half_use) * 2;
1746 
1747 	ret = psp_ta_load(psp, &psp->ras_context.context);
1748 
1749 	if (!ret && !ras_cmd->ras_status)
1750 		psp->ras_context.context.initialized = true;
1751 	else {
1752 		if (ras_cmd->ras_status)
1753 			dev_warn(adev->dev, "RAS Init Status: 0x%X\n", ras_cmd->ras_status);
1754 
1755 		/* fail to load RAS TA */
1756 		psp->ras_context.context.initialized = false;
1757 	}
1758 
1759 	return ret;
1760 }
1761 
1762 int psp_ras_trigger_error(struct psp_context *psp,
1763 			  struct ta_ras_trigger_error_input *info, uint32_t instance_mask)
1764 {
1765 	struct ta_ras_shared_memory *ras_cmd;
1766 	struct amdgpu_device *adev = psp->adev;
1767 	int ret;
1768 	uint32_t dev_mask;
1769 
1770 	if (!psp->ras_context.context.initialized)
1771 		return -EINVAL;
1772 
1773 	switch (info->block_id) {
1774 	case TA_RAS_BLOCK__GFX:
1775 		dev_mask = GET_MASK(GC, instance_mask);
1776 		break;
1777 	case TA_RAS_BLOCK__SDMA:
1778 		dev_mask = GET_MASK(SDMA0, instance_mask);
1779 		break;
1780 	case TA_RAS_BLOCK__VCN:
1781 	case TA_RAS_BLOCK__JPEG:
1782 		dev_mask = GET_MASK(VCN, instance_mask);
1783 		break;
1784 	default:
1785 		dev_mask = instance_mask;
1786 		break;
1787 	}
1788 
1789 	/* reuse sub_block_index for backward compatibility */
1790 	dev_mask <<= AMDGPU_RAS_INST_SHIFT;
1791 	dev_mask &= AMDGPU_RAS_INST_MASK;
1792 	info->sub_block_index |= dev_mask;
1793 
1794 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras_context.context.mem_context.shared_buf;
1795 	memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
1796 
1797 	ras_cmd->cmd_id = TA_RAS_COMMAND__TRIGGER_ERROR;
1798 	ras_cmd->ras_in_message.trigger_error = *info;
1799 
1800 	ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
1801 	if (ret)
1802 		return -EINVAL;
1803 
1804 	/* If err_event_athub occurs error inject was successful, however
1805 	 *  return status from TA is no long reliable
1806 	 */
1807 	if (amdgpu_ras_intr_triggered())
1808 		return 0;
1809 
1810 	if (ras_cmd->ras_status == TA_RAS_STATUS__TEE_ERROR_ACCESS_DENIED)
1811 		return -EACCES;
1812 	else if (ras_cmd->ras_status)
1813 		return -EINVAL;
1814 
1815 	return 0;
1816 }
1817 
1818 int psp_ras_query_address(struct psp_context *psp,
1819 			  struct ta_ras_query_address_input *addr_in,
1820 			  struct ta_ras_query_address_output *addr_out)
1821 {
1822 	struct ta_ras_shared_memory *ras_cmd;
1823 	int ret;
1824 
1825 	if (!psp->ras_context.context.initialized)
1826 		return -EINVAL;
1827 
1828 	ras_cmd = (struct ta_ras_shared_memory *)psp->ras_context.context.mem_context.shared_buf;
1829 	memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
1830 
1831 	ras_cmd->cmd_id = TA_RAS_COMMAND__QUERY_ADDRESS;
1832 	ras_cmd->ras_in_message.address = *addr_in;
1833 
1834 	ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
1835 	if (ret || ras_cmd->ras_status || psp->cmd_buf_mem->resp.status)
1836 		return -EINVAL;
1837 
1838 	*addr_out = ras_cmd->ras_out_message.address;
1839 
1840 	return 0;
1841 }
1842 // ras end
1843 
1844 // HDCP start
1845 static int psp_hdcp_initialize(struct psp_context *psp)
1846 {
1847 	int ret;
1848 
1849 	/*
1850 	 * TODO: bypass the initialize in sriov for now
1851 	 */
1852 	if (amdgpu_sriov_vf(psp->adev))
1853 		return 0;
1854 
1855 	/* bypass hdcp initialization if dmu is harvested */
1856 	if (!amdgpu_device_has_display_hardware(psp->adev))
1857 		return 0;
1858 
1859 	if (!psp->hdcp_context.context.bin_desc.size_bytes ||
1860 	    !psp->hdcp_context.context.bin_desc.start_addr) {
1861 		dev_info(psp->adev->dev, "HDCP: optional hdcp ta ucode is not available\n");
1862 		return 0;
1863 	}
1864 
1865 	psp->hdcp_context.context.mem_context.shared_mem_size = PSP_HDCP_SHARED_MEM_SIZE;
1866 	psp->hdcp_context.context.ta_load_type = GFX_CMD_ID_LOAD_TA;
1867 
1868 	if (!psp->hdcp_context.context.mem_context.shared_buf) {
1869 		ret = psp_ta_init_shared_buf(psp, &psp->hdcp_context.context.mem_context);
1870 		if (ret)
1871 			return ret;
1872 	}
1873 
1874 	ret = psp_ta_load(psp, &psp->hdcp_context.context);
1875 	if (!ret) {
1876 		psp->hdcp_context.context.initialized = true;
1877 		mutex_init(&psp->hdcp_context.mutex);
1878 	}
1879 
1880 	return ret;
1881 }
1882 
1883 int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
1884 {
1885 	/*
1886 	 * TODO: bypass the loading in sriov for now
1887 	 */
1888 	if (amdgpu_sriov_vf(psp->adev))
1889 		return 0;
1890 
1891 	if (!psp->hdcp_context.context.initialized)
1892 		return 0;
1893 
1894 	return psp_ta_invoke(psp, ta_cmd_id, &psp->hdcp_context.context);
1895 }
1896 
1897 static int psp_hdcp_terminate(struct psp_context *psp)
1898 {
1899 	int ret;
1900 
1901 	/*
1902 	 * TODO: bypass the terminate in sriov for now
1903 	 */
1904 	if (amdgpu_sriov_vf(psp->adev))
1905 		return 0;
1906 
1907 	if (!psp->hdcp_context.context.initialized)
1908 		return 0;
1909 
1910 	ret = psp_ta_unload(psp, &psp->hdcp_context.context);
1911 
1912 	psp->hdcp_context.context.initialized = false;
1913 
1914 	return ret;
1915 }
1916 // HDCP end
1917 
1918 // DTM start
1919 static int psp_dtm_initialize(struct psp_context *psp)
1920 {
1921 	int ret;
1922 
1923 	/*
1924 	 * TODO: bypass the initialize in sriov for now
1925 	 */
1926 	if (amdgpu_sriov_vf(psp->adev))
1927 		return 0;
1928 
1929 	/* bypass dtm initialization if dmu is harvested */
1930 	if (!amdgpu_device_has_display_hardware(psp->adev))
1931 		return 0;
1932 
1933 	if (!psp->dtm_context.context.bin_desc.size_bytes ||
1934 	    !psp->dtm_context.context.bin_desc.start_addr) {
1935 		dev_info(psp->adev->dev, "DTM: optional dtm ta ucode is not available\n");
1936 		return 0;
1937 	}
1938 
1939 	psp->dtm_context.context.mem_context.shared_mem_size = PSP_DTM_SHARED_MEM_SIZE;
1940 	psp->dtm_context.context.ta_load_type = GFX_CMD_ID_LOAD_TA;
1941 
1942 	if (!psp->dtm_context.context.mem_context.shared_buf) {
1943 		ret = psp_ta_init_shared_buf(psp, &psp->dtm_context.context.mem_context);
1944 		if (ret)
1945 			return ret;
1946 	}
1947 
1948 	ret = psp_ta_load(psp, &psp->dtm_context.context);
1949 	if (!ret) {
1950 		psp->dtm_context.context.initialized = true;
1951 		mutex_init(&psp->dtm_context.mutex);
1952 	}
1953 
1954 	return ret;
1955 }
1956 
1957 int psp_dtm_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
1958 {
1959 	/*
1960 	 * TODO: bypass the loading in sriov for now
1961 	 */
1962 	if (amdgpu_sriov_vf(psp->adev))
1963 		return 0;
1964 
1965 	if (!psp->dtm_context.context.initialized)
1966 		return 0;
1967 
1968 	return psp_ta_invoke(psp, ta_cmd_id, &psp->dtm_context.context);
1969 }
1970 
1971 static int psp_dtm_terminate(struct psp_context *psp)
1972 {
1973 	int ret;
1974 
1975 	/*
1976 	 * TODO: bypass the terminate in sriov for now
1977 	 */
1978 	if (amdgpu_sriov_vf(psp->adev))
1979 		return 0;
1980 
1981 	if (!psp->dtm_context.context.initialized)
1982 		return 0;
1983 
1984 	ret = psp_ta_unload(psp, &psp->dtm_context.context);
1985 
1986 	psp->dtm_context.context.initialized = false;
1987 
1988 	return ret;
1989 }
1990 // DTM end
1991 
1992 // RAP start
1993 static int psp_rap_initialize(struct psp_context *psp)
1994 {
1995 	int ret;
1996 	enum ta_rap_status status = TA_RAP_STATUS__SUCCESS;
1997 
1998 	/*
1999 	 * TODO: bypass the initialize in sriov for now
2000 	 */
2001 	if (amdgpu_sriov_vf(psp->adev))
2002 		return 0;
2003 
2004 	if (!psp->rap_context.context.bin_desc.size_bytes ||
2005 	    !psp->rap_context.context.bin_desc.start_addr) {
2006 		dev_info(psp->adev->dev, "RAP: optional rap ta ucode is not available\n");
2007 		return 0;
2008 	}
2009 
2010 	psp->rap_context.context.mem_context.shared_mem_size = PSP_RAP_SHARED_MEM_SIZE;
2011 	psp->rap_context.context.ta_load_type = GFX_CMD_ID_LOAD_TA;
2012 
2013 	if (!psp->rap_context.context.mem_context.shared_buf) {
2014 		ret = psp_ta_init_shared_buf(psp, &psp->rap_context.context.mem_context);
2015 		if (ret)
2016 			return ret;
2017 	}
2018 
2019 	ret = psp_ta_load(psp, &psp->rap_context.context);
2020 	if (!ret) {
2021 		psp->rap_context.context.initialized = true;
2022 		mutex_init(&psp->rap_context.mutex);
2023 	} else
2024 		return ret;
2025 
2026 	ret = psp_rap_invoke(psp, TA_CMD_RAP__INITIALIZE, &status);
2027 	if (ret || status != TA_RAP_STATUS__SUCCESS) {
2028 		psp_rap_terminate(psp);
2029 		/* free rap shared memory */
2030 		psp_ta_free_shared_buf(&psp->rap_context.context.mem_context);
2031 
2032 		dev_warn(psp->adev->dev, "RAP TA initialize fail (%d) status %d.\n",
2033 			 ret, status);
2034 
2035 		return ret;
2036 	}
2037 
2038 	return 0;
2039 }
2040 
2041 static int psp_rap_terminate(struct psp_context *psp)
2042 {
2043 	int ret;
2044 
2045 	if (!psp->rap_context.context.initialized)
2046 		return 0;
2047 
2048 	ret = psp_ta_unload(psp, &psp->rap_context.context);
2049 
2050 	psp->rap_context.context.initialized = false;
2051 
2052 	return ret;
2053 }
2054 
2055 int psp_rap_invoke(struct psp_context *psp, uint32_t ta_cmd_id, enum ta_rap_status *status)
2056 {
2057 	struct ta_rap_shared_memory *rap_cmd;
2058 	int ret = 0;
2059 
2060 	if (!psp->rap_context.context.initialized)
2061 		return 0;
2062 
2063 	if (ta_cmd_id != TA_CMD_RAP__INITIALIZE &&
2064 	    ta_cmd_id != TA_CMD_RAP__VALIDATE_L0)
2065 		return -EINVAL;
2066 
2067 	mutex_lock(&psp->rap_context.mutex);
2068 
2069 	rap_cmd = (struct ta_rap_shared_memory *)
2070 		  psp->rap_context.context.mem_context.shared_buf;
2071 	memset(rap_cmd, 0, sizeof(struct ta_rap_shared_memory));
2072 
2073 	rap_cmd->cmd_id = ta_cmd_id;
2074 	rap_cmd->validation_method_id = METHOD_A;
2075 
2076 	ret = psp_ta_invoke(psp, rap_cmd->cmd_id, &psp->rap_context.context);
2077 	if (ret)
2078 		goto out_unlock;
2079 
2080 	if (status)
2081 		*status = rap_cmd->rap_status;
2082 
2083 out_unlock:
2084 	mutex_unlock(&psp->rap_context.mutex);
2085 
2086 	return ret;
2087 }
2088 // RAP end
2089 
2090 /* securedisplay start */
2091 static int psp_securedisplay_initialize(struct psp_context *psp)
2092 {
2093 	int ret;
2094 	struct ta_securedisplay_cmd *securedisplay_cmd;
2095 
2096 	/*
2097 	 * TODO: bypass the initialize in sriov for now
2098 	 */
2099 	if (amdgpu_sriov_vf(psp->adev))
2100 		return 0;
2101 
2102 	/* bypass securedisplay initialization if dmu is harvested */
2103 	if (!amdgpu_device_has_display_hardware(psp->adev))
2104 		return 0;
2105 
2106 	if (!psp->securedisplay_context.context.bin_desc.size_bytes ||
2107 	    !psp->securedisplay_context.context.bin_desc.start_addr) {
2108 		dev_info(psp->adev->dev, "SECUREDISPLAY: securedisplay ta ucode is not available\n");
2109 		return 0;
2110 	}
2111 
2112 	psp->securedisplay_context.context.mem_context.shared_mem_size =
2113 		PSP_SECUREDISPLAY_SHARED_MEM_SIZE;
2114 	psp->securedisplay_context.context.ta_load_type = GFX_CMD_ID_LOAD_TA;
2115 
2116 	if (!psp->securedisplay_context.context.initialized) {
2117 		ret = psp_ta_init_shared_buf(psp,
2118 					     &psp->securedisplay_context.context.mem_context);
2119 		if (ret)
2120 			return ret;
2121 	}
2122 
2123 	ret = psp_ta_load(psp, &psp->securedisplay_context.context);
2124 	if (!ret) {
2125 		psp->securedisplay_context.context.initialized = true;
2126 		mutex_init(&psp->securedisplay_context.mutex);
2127 	} else
2128 		return ret;
2129 
2130 	mutex_lock(&psp->securedisplay_context.mutex);
2131 
2132 	psp_prep_securedisplay_cmd_buf(psp, &securedisplay_cmd,
2133 			TA_SECUREDISPLAY_COMMAND__QUERY_TA);
2134 
2135 	ret = psp_securedisplay_invoke(psp, TA_SECUREDISPLAY_COMMAND__QUERY_TA);
2136 
2137 	mutex_unlock(&psp->securedisplay_context.mutex);
2138 
2139 	if (ret) {
2140 		psp_securedisplay_terminate(psp);
2141 		/* free securedisplay shared memory */
2142 		psp_ta_free_shared_buf(&psp->securedisplay_context.context.mem_context);
2143 		dev_err(psp->adev->dev, "SECUREDISPLAY TA initialize fail.\n");
2144 		return -EINVAL;
2145 	}
2146 
2147 	if (securedisplay_cmd->status != TA_SECUREDISPLAY_STATUS__SUCCESS) {
2148 		psp_securedisplay_parse_resp_status(psp, securedisplay_cmd->status);
2149 		dev_err(psp->adev->dev, "SECUREDISPLAY: query securedisplay TA failed. ret 0x%x\n",
2150 			securedisplay_cmd->securedisplay_out_message.query_ta.query_cmd_ret);
2151 		/* don't try again */
2152 		psp->securedisplay_context.context.bin_desc.size_bytes = 0;
2153 	}
2154 
2155 	return 0;
2156 }
2157 
2158 static int psp_securedisplay_terminate(struct psp_context *psp)
2159 {
2160 	int ret;
2161 
2162 	/*
2163 	 * TODO:bypass the terminate in sriov for now
2164 	 */
2165 	if (amdgpu_sriov_vf(psp->adev))
2166 		return 0;
2167 
2168 	if (!psp->securedisplay_context.context.initialized)
2169 		return 0;
2170 
2171 	ret = psp_ta_unload(psp, &psp->securedisplay_context.context);
2172 
2173 	psp->securedisplay_context.context.initialized = false;
2174 
2175 	return ret;
2176 }
2177 
2178 int psp_securedisplay_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
2179 {
2180 	int ret;
2181 
2182 	if (!psp->securedisplay_context.context.initialized)
2183 		return -EINVAL;
2184 
2185 	if (ta_cmd_id != TA_SECUREDISPLAY_COMMAND__QUERY_TA &&
2186 	    ta_cmd_id != TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC)
2187 		return -EINVAL;
2188 
2189 	ret = psp_ta_invoke(psp, ta_cmd_id, &psp->securedisplay_context.context);
2190 
2191 	return ret;
2192 }
2193 /* SECUREDISPLAY end */
2194 
2195 int amdgpu_psp_wait_for_bootloader(struct amdgpu_device *adev)
2196 {
2197 	struct psp_context *psp = &adev->psp;
2198 	int ret = 0;
2199 
2200 	if (!amdgpu_sriov_vf(adev) && psp->funcs && psp->funcs->wait_for_bootloader != NULL)
2201 		ret = psp->funcs->wait_for_bootloader(psp);
2202 
2203 	return ret;
2204 }
2205 
2206 bool amdgpu_psp_get_ras_capability(struct psp_context *psp)
2207 {
2208 	if (psp->funcs &&
2209 	    psp->funcs->get_ras_capability) {
2210 		return psp->funcs->get_ras_capability(psp);
2211 	} else {
2212 		return false;
2213 	}
2214 }
2215 
2216 static int psp_hw_start(struct psp_context *psp)
2217 {
2218 	struct amdgpu_device *adev = psp->adev;
2219 	int ret;
2220 
2221 	if (!amdgpu_sriov_vf(adev)) {
2222 		if ((is_psp_fw_valid(psp->kdb)) &&
2223 		    (psp->funcs->bootloader_load_kdb != NULL)) {
2224 			ret = psp_bootloader_load_kdb(psp);
2225 			if (ret) {
2226 				dev_err(adev->dev, "PSP load kdb failed!\n");
2227 				return ret;
2228 			}
2229 		}
2230 
2231 		if ((is_psp_fw_valid(psp->spl)) &&
2232 		    (psp->funcs->bootloader_load_spl != NULL)) {
2233 			ret = psp_bootloader_load_spl(psp);
2234 			if (ret) {
2235 				dev_err(adev->dev, "PSP load spl failed!\n");
2236 				return ret;
2237 			}
2238 		}
2239 
2240 		if ((is_psp_fw_valid(psp->sys)) &&
2241 		    (psp->funcs->bootloader_load_sysdrv != NULL)) {
2242 			ret = psp_bootloader_load_sysdrv(psp);
2243 			if (ret) {
2244 				dev_err(adev->dev, "PSP load sys drv failed!\n");
2245 				return ret;
2246 			}
2247 		}
2248 
2249 		if ((is_psp_fw_valid(psp->soc_drv)) &&
2250 		    (psp->funcs->bootloader_load_soc_drv != NULL)) {
2251 			ret = psp_bootloader_load_soc_drv(psp);
2252 			if (ret) {
2253 				dev_err(adev->dev, "PSP load soc drv failed!\n");
2254 				return ret;
2255 			}
2256 		}
2257 
2258 		if ((is_psp_fw_valid(psp->intf_drv)) &&
2259 		    (psp->funcs->bootloader_load_intf_drv != NULL)) {
2260 			ret = psp_bootloader_load_intf_drv(psp);
2261 			if (ret) {
2262 				dev_err(adev->dev, "PSP load intf drv failed!\n");
2263 				return ret;
2264 			}
2265 		}
2266 
2267 		if ((is_psp_fw_valid(psp->dbg_drv)) &&
2268 		    (psp->funcs->bootloader_load_dbg_drv != NULL)) {
2269 			ret = psp_bootloader_load_dbg_drv(psp);
2270 			if (ret) {
2271 				dev_err(adev->dev, "PSP load dbg drv failed!\n");
2272 				return ret;
2273 			}
2274 		}
2275 
2276 		if ((is_psp_fw_valid(psp->ras_drv)) &&
2277 		    (psp->funcs->bootloader_load_ras_drv != NULL)) {
2278 			ret = psp_bootloader_load_ras_drv(psp);
2279 			if (ret) {
2280 				dev_err(adev->dev, "PSP load ras_drv failed!\n");
2281 				return ret;
2282 			}
2283 		}
2284 
2285 		if ((is_psp_fw_valid(psp->ipkeymgr_drv)) &&
2286 		    (psp->funcs->bootloader_load_ipkeymgr_drv != NULL)) {
2287 			ret = psp_bootloader_load_ipkeymgr_drv(psp);
2288 			if (ret) {
2289 				dev_err(adev->dev, "PSP load ipkeymgr_drv failed!\n");
2290 				return ret;
2291 			}
2292 		}
2293 
2294 		if ((is_psp_fw_valid(psp->sos)) &&
2295 		    (psp->funcs->bootloader_load_sos != NULL)) {
2296 			ret = psp_bootloader_load_sos(psp);
2297 			if (ret) {
2298 				dev_err(adev->dev, "PSP load sos failed!\n");
2299 				return ret;
2300 			}
2301 		}
2302 	}
2303 
2304 	ret = psp_ring_create(psp, PSP_RING_TYPE__KM);
2305 	if (ret) {
2306 		dev_err(adev->dev, "PSP create ring failed!\n");
2307 		return ret;
2308 	}
2309 
2310 	if (amdgpu_sriov_vf(adev) && amdgpu_in_reset(adev))
2311 		goto skip_pin_bo;
2312 
2313 	if (!psp->boot_time_tmr || psp->autoload_supported) {
2314 		ret = psp_tmr_init(psp);
2315 		if (ret) {
2316 			dev_err(adev->dev, "PSP tmr init failed!\n");
2317 			return ret;
2318 		}
2319 	}
2320 
2321 skip_pin_bo:
2322 	/*
2323 	 * For ASICs with DF Cstate management centralized
2324 	 * to PMFW, TMR setup should be performed after PMFW
2325 	 * loaded and before other non-psp firmware loaded.
2326 	 */
2327 	if (psp->pmfw_centralized_cstate_management) {
2328 		ret = psp_load_smu_fw(psp);
2329 		if (ret)
2330 			return ret;
2331 	}
2332 
2333 	if (!psp->boot_time_tmr || !psp->autoload_supported) {
2334 		ret = psp_tmr_load(psp);
2335 		if (ret) {
2336 			dev_err(adev->dev, "PSP load tmr failed!\n");
2337 			return ret;
2338 		}
2339 	}
2340 
2341 	return 0;
2342 }
2343 
2344 static int psp_get_fw_type(struct amdgpu_firmware_info *ucode,
2345 			   enum psp_gfx_fw_type *type)
2346 {
2347 	switch (ucode->ucode_id) {
2348 	case AMDGPU_UCODE_ID_CAP:
2349 		*type = GFX_FW_TYPE_CAP;
2350 		break;
2351 	case AMDGPU_UCODE_ID_SDMA0:
2352 		*type = GFX_FW_TYPE_SDMA0;
2353 		break;
2354 	case AMDGPU_UCODE_ID_SDMA1:
2355 		*type = GFX_FW_TYPE_SDMA1;
2356 		break;
2357 	case AMDGPU_UCODE_ID_SDMA2:
2358 		*type = GFX_FW_TYPE_SDMA2;
2359 		break;
2360 	case AMDGPU_UCODE_ID_SDMA3:
2361 		*type = GFX_FW_TYPE_SDMA3;
2362 		break;
2363 	case AMDGPU_UCODE_ID_SDMA4:
2364 		*type = GFX_FW_TYPE_SDMA4;
2365 		break;
2366 	case AMDGPU_UCODE_ID_SDMA5:
2367 		*type = GFX_FW_TYPE_SDMA5;
2368 		break;
2369 	case AMDGPU_UCODE_ID_SDMA6:
2370 		*type = GFX_FW_TYPE_SDMA6;
2371 		break;
2372 	case AMDGPU_UCODE_ID_SDMA7:
2373 		*type = GFX_FW_TYPE_SDMA7;
2374 		break;
2375 	case AMDGPU_UCODE_ID_CP_MES:
2376 		*type = GFX_FW_TYPE_CP_MES;
2377 		break;
2378 	case AMDGPU_UCODE_ID_CP_MES_DATA:
2379 		*type = GFX_FW_TYPE_MES_STACK;
2380 		break;
2381 	case AMDGPU_UCODE_ID_CP_MES1:
2382 		*type = GFX_FW_TYPE_CP_MES_KIQ;
2383 		break;
2384 	case AMDGPU_UCODE_ID_CP_MES1_DATA:
2385 		*type = GFX_FW_TYPE_MES_KIQ_STACK;
2386 		break;
2387 	case AMDGPU_UCODE_ID_CP_CE:
2388 		*type = GFX_FW_TYPE_CP_CE;
2389 		break;
2390 	case AMDGPU_UCODE_ID_CP_PFP:
2391 		*type = GFX_FW_TYPE_CP_PFP;
2392 		break;
2393 	case AMDGPU_UCODE_ID_CP_ME:
2394 		*type = GFX_FW_TYPE_CP_ME;
2395 		break;
2396 	case AMDGPU_UCODE_ID_CP_MEC1:
2397 		*type = GFX_FW_TYPE_CP_MEC;
2398 		break;
2399 	case AMDGPU_UCODE_ID_CP_MEC1_JT:
2400 		*type = GFX_FW_TYPE_CP_MEC_ME1;
2401 		break;
2402 	case AMDGPU_UCODE_ID_CP_MEC2:
2403 		*type = GFX_FW_TYPE_CP_MEC;
2404 		break;
2405 	case AMDGPU_UCODE_ID_CP_MEC2_JT:
2406 		*type = GFX_FW_TYPE_CP_MEC_ME2;
2407 		break;
2408 	case AMDGPU_UCODE_ID_RLC_P:
2409 		*type = GFX_FW_TYPE_RLC_P;
2410 		break;
2411 	case AMDGPU_UCODE_ID_RLC_V:
2412 		*type = GFX_FW_TYPE_RLC_V;
2413 		break;
2414 	case AMDGPU_UCODE_ID_RLC_G:
2415 		*type = GFX_FW_TYPE_RLC_G;
2416 		break;
2417 	case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL:
2418 		*type = GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_CNTL;
2419 		break;
2420 	case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM:
2421 		*type = GFX_FW_TYPE_RLC_RESTORE_LIST_GPM_MEM;
2422 		break;
2423 	case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM:
2424 		*type = GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_MEM;
2425 		break;
2426 	case AMDGPU_UCODE_ID_RLC_IRAM:
2427 		*type = GFX_FW_TYPE_RLC_IRAM;
2428 		break;
2429 	case AMDGPU_UCODE_ID_RLC_DRAM:
2430 		*type = GFX_FW_TYPE_RLC_DRAM_BOOT;
2431 		break;
2432 	case AMDGPU_UCODE_ID_GLOBAL_TAP_DELAYS:
2433 		*type = GFX_FW_TYPE_GLOBAL_TAP_DELAYS;
2434 		break;
2435 	case AMDGPU_UCODE_ID_SE0_TAP_DELAYS:
2436 		*type = GFX_FW_TYPE_SE0_TAP_DELAYS;
2437 		break;
2438 	case AMDGPU_UCODE_ID_SE1_TAP_DELAYS:
2439 		*type = GFX_FW_TYPE_SE1_TAP_DELAYS;
2440 		break;
2441 	case AMDGPU_UCODE_ID_SE2_TAP_DELAYS:
2442 		*type = GFX_FW_TYPE_SE2_TAP_DELAYS;
2443 		break;
2444 	case AMDGPU_UCODE_ID_SE3_TAP_DELAYS:
2445 		*type = GFX_FW_TYPE_SE3_TAP_DELAYS;
2446 		break;
2447 	case AMDGPU_UCODE_ID_SMC:
2448 		*type = GFX_FW_TYPE_SMU;
2449 		break;
2450 	case AMDGPU_UCODE_ID_PPTABLE:
2451 		*type = GFX_FW_TYPE_PPTABLE;
2452 		break;
2453 	case AMDGPU_UCODE_ID_UVD:
2454 		*type = GFX_FW_TYPE_UVD;
2455 		break;
2456 	case AMDGPU_UCODE_ID_UVD1:
2457 		*type = GFX_FW_TYPE_UVD1;
2458 		break;
2459 	case AMDGPU_UCODE_ID_VCE:
2460 		*type = GFX_FW_TYPE_VCE;
2461 		break;
2462 	case AMDGPU_UCODE_ID_VCN:
2463 		*type = GFX_FW_TYPE_VCN;
2464 		break;
2465 	case AMDGPU_UCODE_ID_VCN1:
2466 		*type = GFX_FW_TYPE_VCN1;
2467 		break;
2468 	case AMDGPU_UCODE_ID_DMCU_ERAM:
2469 		*type = GFX_FW_TYPE_DMCU_ERAM;
2470 		break;
2471 	case AMDGPU_UCODE_ID_DMCU_INTV:
2472 		*type = GFX_FW_TYPE_DMCU_ISR;
2473 		break;
2474 	case AMDGPU_UCODE_ID_VCN0_RAM:
2475 		*type = GFX_FW_TYPE_VCN0_RAM;
2476 		break;
2477 	case AMDGPU_UCODE_ID_VCN1_RAM:
2478 		*type = GFX_FW_TYPE_VCN1_RAM;
2479 		break;
2480 	case AMDGPU_UCODE_ID_DMCUB:
2481 		*type = GFX_FW_TYPE_DMUB;
2482 		break;
2483 	case AMDGPU_UCODE_ID_SDMA_UCODE_TH0:
2484 		*type = GFX_FW_TYPE_SDMA_UCODE_TH0;
2485 		break;
2486 	case AMDGPU_UCODE_ID_SDMA_UCODE_TH1:
2487 		*type = GFX_FW_TYPE_SDMA_UCODE_TH1;
2488 		break;
2489 	case AMDGPU_UCODE_ID_IMU_I:
2490 		*type = GFX_FW_TYPE_IMU_I;
2491 		break;
2492 	case AMDGPU_UCODE_ID_IMU_D:
2493 		*type = GFX_FW_TYPE_IMU_D;
2494 		break;
2495 	case AMDGPU_UCODE_ID_CP_RS64_PFP:
2496 		*type = GFX_FW_TYPE_RS64_PFP;
2497 		break;
2498 	case AMDGPU_UCODE_ID_CP_RS64_ME:
2499 		*type = GFX_FW_TYPE_RS64_ME;
2500 		break;
2501 	case AMDGPU_UCODE_ID_CP_RS64_MEC:
2502 		*type = GFX_FW_TYPE_RS64_MEC;
2503 		break;
2504 	case AMDGPU_UCODE_ID_CP_RS64_PFP_P0_STACK:
2505 		*type = GFX_FW_TYPE_RS64_PFP_P0_STACK;
2506 		break;
2507 	case AMDGPU_UCODE_ID_CP_RS64_PFP_P1_STACK:
2508 		*type = GFX_FW_TYPE_RS64_PFP_P1_STACK;
2509 		break;
2510 	case AMDGPU_UCODE_ID_CP_RS64_ME_P0_STACK:
2511 		*type = GFX_FW_TYPE_RS64_ME_P0_STACK;
2512 		break;
2513 	case AMDGPU_UCODE_ID_CP_RS64_ME_P1_STACK:
2514 		*type = GFX_FW_TYPE_RS64_ME_P1_STACK;
2515 		break;
2516 	case AMDGPU_UCODE_ID_CP_RS64_MEC_P0_STACK:
2517 		*type = GFX_FW_TYPE_RS64_MEC_P0_STACK;
2518 		break;
2519 	case AMDGPU_UCODE_ID_CP_RS64_MEC_P1_STACK:
2520 		*type = GFX_FW_TYPE_RS64_MEC_P1_STACK;
2521 		break;
2522 	case AMDGPU_UCODE_ID_CP_RS64_MEC_P2_STACK:
2523 		*type = GFX_FW_TYPE_RS64_MEC_P2_STACK;
2524 		break;
2525 	case AMDGPU_UCODE_ID_CP_RS64_MEC_P3_STACK:
2526 		*type = GFX_FW_TYPE_RS64_MEC_P3_STACK;
2527 		break;
2528 	case AMDGPU_UCODE_ID_VPE_CTX:
2529 		*type = GFX_FW_TYPE_VPEC_FW1;
2530 		break;
2531 	case AMDGPU_UCODE_ID_VPE_CTL:
2532 		*type = GFX_FW_TYPE_VPEC_FW2;
2533 		break;
2534 	case AMDGPU_UCODE_ID_VPE:
2535 		*type = GFX_FW_TYPE_VPE;
2536 		break;
2537 	case AMDGPU_UCODE_ID_UMSCH_MM_UCODE:
2538 		*type = GFX_FW_TYPE_UMSCH_UCODE;
2539 		break;
2540 	case AMDGPU_UCODE_ID_UMSCH_MM_DATA:
2541 		*type = GFX_FW_TYPE_UMSCH_DATA;
2542 		break;
2543 	case AMDGPU_UCODE_ID_UMSCH_MM_CMD_BUFFER:
2544 		*type = GFX_FW_TYPE_UMSCH_CMD_BUFFER;
2545 		break;
2546 	case AMDGPU_UCODE_ID_P2S_TABLE:
2547 		*type = GFX_FW_TYPE_P2S_TABLE;
2548 		break;
2549 	case AMDGPU_UCODE_ID_JPEG_RAM:
2550 		*type = GFX_FW_TYPE_JPEG_RAM;
2551 		break;
2552 	case AMDGPU_UCODE_ID_MAXIMUM:
2553 	default:
2554 		return -EINVAL;
2555 	}
2556 
2557 	return 0;
2558 }
2559 
2560 static void psp_print_fw_hdr(struct psp_context *psp,
2561 			     struct amdgpu_firmware_info *ucode)
2562 {
2563 	struct amdgpu_device *adev = psp->adev;
2564 	struct common_firmware_header *hdr;
2565 
2566 	switch (ucode->ucode_id) {
2567 	case AMDGPU_UCODE_ID_SDMA0:
2568 	case AMDGPU_UCODE_ID_SDMA1:
2569 	case AMDGPU_UCODE_ID_SDMA2:
2570 	case AMDGPU_UCODE_ID_SDMA3:
2571 	case AMDGPU_UCODE_ID_SDMA4:
2572 	case AMDGPU_UCODE_ID_SDMA5:
2573 	case AMDGPU_UCODE_ID_SDMA6:
2574 	case AMDGPU_UCODE_ID_SDMA7:
2575 		hdr = (struct common_firmware_header *)
2576 			adev->sdma.instance[ucode->ucode_id - AMDGPU_UCODE_ID_SDMA0].fw->data;
2577 		amdgpu_ucode_print_sdma_hdr(hdr);
2578 		break;
2579 	case AMDGPU_UCODE_ID_CP_CE:
2580 		hdr = (struct common_firmware_header *)adev->gfx.ce_fw->data;
2581 		amdgpu_ucode_print_gfx_hdr(hdr);
2582 		break;
2583 	case AMDGPU_UCODE_ID_CP_PFP:
2584 		hdr = (struct common_firmware_header *)adev->gfx.pfp_fw->data;
2585 		amdgpu_ucode_print_gfx_hdr(hdr);
2586 		break;
2587 	case AMDGPU_UCODE_ID_CP_ME:
2588 		hdr = (struct common_firmware_header *)adev->gfx.me_fw->data;
2589 		amdgpu_ucode_print_gfx_hdr(hdr);
2590 		break;
2591 	case AMDGPU_UCODE_ID_CP_MEC1:
2592 		hdr = (struct common_firmware_header *)adev->gfx.mec_fw->data;
2593 		amdgpu_ucode_print_gfx_hdr(hdr);
2594 		break;
2595 	case AMDGPU_UCODE_ID_RLC_G:
2596 		hdr = (struct common_firmware_header *)adev->gfx.rlc_fw->data;
2597 		amdgpu_ucode_print_rlc_hdr(hdr);
2598 		break;
2599 	case AMDGPU_UCODE_ID_SMC:
2600 		hdr = (struct common_firmware_header *)adev->pm.fw->data;
2601 		amdgpu_ucode_print_smc_hdr(hdr);
2602 		break;
2603 	default:
2604 		break;
2605 	}
2606 }
2607 
2608 static int psp_prep_load_ip_fw_cmd_buf(struct psp_context *psp,
2609 				       struct amdgpu_firmware_info *ucode,
2610 				       struct psp_gfx_cmd_resp *cmd)
2611 {
2612 	int ret;
2613 	uint64_t fw_mem_mc_addr = ucode->mc_addr;
2614 
2615 	cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW;
2616 	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(fw_mem_mc_addr);
2617 	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(fw_mem_mc_addr);
2618 	cmd->cmd.cmd_load_ip_fw.fw_size = ucode->ucode_size;
2619 
2620 	ret = psp_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type);
2621 	if (ret)
2622 		dev_err(psp->adev->dev, "Unknown firmware type\n");
2623 
2624 	return ret;
2625 }
2626 
2627 int psp_execute_ip_fw_load(struct psp_context *psp,
2628 			   struct amdgpu_firmware_info *ucode)
2629 {
2630 	int ret = 0;
2631 	struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
2632 
2633 	ret = psp_prep_load_ip_fw_cmd_buf(psp, ucode, cmd);
2634 	if (!ret) {
2635 		ret = psp_cmd_submit_buf(psp, ucode, cmd,
2636 					 psp->fence_buf_mc_addr);
2637 	}
2638 
2639 	release_psp_cmd_buf(psp);
2640 
2641 	return ret;
2642 }
2643 
2644 static int psp_load_p2s_table(struct psp_context *psp)
2645 {
2646 	int ret;
2647 	struct amdgpu_device *adev = psp->adev;
2648 	struct amdgpu_firmware_info *ucode =
2649 		&adev->firmware.ucode[AMDGPU_UCODE_ID_P2S_TABLE];
2650 
2651 	if (adev->in_runpm && ((adev->pm.rpm_mode == AMDGPU_RUNPM_BACO) ||
2652 				(adev->pm.rpm_mode == AMDGPU_RUNPM_BAMACO)))
2653 		return 0;
2654 
2655 	if (amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 6)) {
2656 		uint32_t supp_vers = adev->flags & AMD_IS_APU ? 0x0036013D :
2657 								0x0036003C;
2658 		if (psp->sos.fw_version < supp_vers)
2659 			return 0;
2660 	}
2661 
2662 	if (!ucode->fw || amdgpu_sriov_vf(psp->adev))
2663 		return 0;
2664 
2665 	ret = psp_execute_ip_fw_load(psp, ucode);
2666 
2667 	return ret;
2668 }
2669 
2670 static int psp_load_smu_fw(struct psp_context *psp)
2671 {
2672 	int ret;
2673 	struct amdgpu_device *adev = psp->adev;
2674 	struct amdgpu_firmware_info *ucode =
2675 			&adev->firmware.ucode[AMDGPU_UCODE_ID_SMC];
2676 	struct amdgpu_ras *ras = psp->ras_context.ras;
2677 
2678 	/*
2679 	 * Skip SMU FW reloading in case of using BACO for runpm only,
2680 	 * as SMU is always alive.
2681 	 */
2682 	if (adev->in_runpm && ((adev->pm.rpm_mode == AMDGPU_RUNPM_BACO) ||
2683 				(adev->pm.rpm_mode == AMDGPU_RUNPM_BAMACO)))
2684 		return 0;
2685 
2686 	if (!ucode->fw || amdgpu_sriov_vf(psp->adev))
2687 		return 0;
2688 
2689 	if ((amdgpu_in_reset(adev) && ras && adev->ras_enabled &&
2690 	     (amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(11, 0, 4) ||
2691 	      amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(11, 0, 2)))) {
2692 		ret = amdgpu_dpm_set_mp1_state(adev, PP_MP1_STATE_UNLOAD);
2693 		if (ret)
2694 			dev_err(adev->dev, "Failed to set MP1 state prepare for reload\n");
2695 	}
2696 
2697 	ret = psp_execute_ip_fw_load(psp, ucode);
2698 
2699 	if (ret)
2700 		dev_err(adev->dev, "PSP load smu failed!\n");
2701 
2702 	return ret;
2703 }
2704 
2705 static bool fw_load_skip_check(struct psp_context *psp,
2706 			       struct amdgpu_firmware_info *ucode)
2707 {
2708 	if (!ucode->fw || !ucode->ucode_size)
2709 		return true;
2710 
2711 	if (ucode->ucode_id == AMDGPU_UCODE_ID_P2S_TABLE)
2712 		return true;
2713 
2714 	if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
2715 	    (psp_smu_reload_quirk(psp) ||
2716 	     psp->autoload_supported ||
2717 	     psp->pmfw_centralized_cstate_management))
2718 		return true;
2719 
2720 	if (amdgpu_sriov_vf(psp->adev) &&
2721 	    amdgpu_virt_fw_load_skip_check(psp->adev, ucode->ucode_id))
2722 		return true;
2723 
2724 	if (psp->autoload_supported &&
2725 	    (ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC1_JT ||
2726 	     ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC2_JT))
2727 		/* skip mec JT when autoload is enabled */
2728 		return true;
2729 
2730 	return false;
2731 }
2732 
2733 int psp_load_fw_list(struct psp_context *psp,
2734 		     struct amdgpu_firmware_info **ucode_list, int ucode_count)
2735 {
2736 	int ret = 0, i;
2737 	struct amdgpu_firmware_info *ucode;
2738 
2739 	for (i = 0; i < ucode_count; ++i) {
2740 		ucode = ucode_list[i];
2741 		psp_print_fw_hdr(psp, ucode);
2742 		ret = psp_execute_ip_fw_load(psp, ucode);
2743 		if (ret)
2744 			return ret;
2745 	}
2746 	return ret;
2747 }
2748 
2749 static int psp_load_non_psp_fw(struct psp_context *psp)
2750 {
2751 	int i, ret;
2752 	struct amdgpu_firmware_info *ucode;
2753 	struct amdgpu_device *adev = psp->adev;
2754 
2755 	if (psp->autoload_supported &&
2756 	    !psp->pmfw_centralized_cstate_management) {
2757 		ret = psp_load_smu_fw(psp);
2758 		if (ret)
2759 			return ret;
2760 	}
2761 
2762 	/* Load P2S table first if it's available */
2763 	psp_load_p2s_table(psp);
2764 
2765 	for (i = 0; i < adev->firmware.max_ucodes; i++) {
2766 		ucode = &adev->firmware.ucode[i];
2767 
2768 		if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
2769 		    !fw_load_skip_check(psp, ucode)) {
2770 			ret = psp_load_smu_fw(psp);
2771 			if (ret)
2772 				return ret;
2773 			continue;
2774 		}
2775 
2776 		if (fw_load_skip_check(psp, ucode))
2777 			continue;
2778 
2779 		if (psp->autoload_supported &&
2780 		    (amdgpu_ip_version(adev, MP0_HWIP, 0) ==
2781 			     IP_VERSION(11, 0, 7) ||
2782 		     amdgpu_ip_version(adev, MP0_HWIP, 0) ==
2783 			     IP_VERSION(11, 0, 11) ||
2784 		     amdgpu_ip_version(adev, MP0_HWIP, 0) ==
2785 			     IP_VERSION(11, 0, 12)) &&
2786 		    (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1 ||
2787 		     ucode->ucode_id == AMDGPU_UCODE_ID_SDMA2 ||
2788 		     ucode->ucode_id == AMDGPU_UCODE_ID_SDMA3))
2789 			/* PSP only receive one SDMA fw for sienna_cichlid,
2790 			 * as all four sdma fw are same
2791 			 */
2792 			continue;
2793 
2794 		psp_print_fw_hdr(psp, ucode);
2795 
2796 		ret = psp_execute_ip_fw_load(psp, ucode);
2797 		if (ret)
2798 			return ret;
2799 
2800 		/* Start rlc autoload after psp recieved all the gfx firmware */
2801 		if (psp->autoload_supported && ucode->ucode_id == (amdgpu_sriov_vf(adev) ?
2802 		    adev->virt.autoload_ucode_id : AMDGPU_UCODE_ID_RLC_G)) {
2803 			ret = psp_rlc_autoload_start(psp);
2804 			if (ret) {
2805 				dev_err(adev->dev, "Failed to start rlc autoload\n");
2806 				return ret;
2807 			}
2808 		}
2809 	}
2810 
2811 	return 0;
2812 }
2813 
2814 static int psp_load_fw(struct amdgpu_device *adev)
2815 {
2816 	int ret;
2817 	struct psp_context *psp = &adev->psp;
2818 
2819 	if (amdgpu_sriov_vf(adev) && amdgpu_in_reset(adev)) {
2820 		/* should not destroy ring, only stop */
2821 		psp_ring_stop(psp, PSP_RING_TYPE__KM);
2822 	} else {
2823 		memset(psp->fence_buf, 0, PSP_FENCE_BUFFER_SIZE);
2824 
2825 		ret = psp_ring_init(psp, PSP_RING_TYPE__KM);
2826 		if (ret) {
2827 			dev_err(adev->dev, "PSP ring init failed!\n");
2828 			goto failed;
2829 		}
2830 	}
2831 
2832 	ret = psp_hw_start(psp);
2833 	if (ret)
2834 		goto failed;
2835 
2836 	ret = psp_load_non_psp_fw(psp);
2837 	if (ret)
2838 		goto failed1;
2839 
2840 	ret = psp_asd_initialize(psp);
2841 	if (ret) {
2842 		dev_err(adev->dev, "PSP load asd failed!\n");
2843 		goto failed1;
2844 	}
2845 
2846 	ret = psp_rl_load(adev);
2847 	if (ret) {
2848 		dev_err(adev->dev, "PSP load RL failed!\n");
2849 		goto failed1;
2850 	}
2851 
2852 	if (amdgpu_sriov_vf(adev) && amdgpu_in_reset(adev)) {
2853 		if (adev->gmc.xgmi.num_physical_nodes > 1) {
2854 			ret = psp_xgmi_initialize(psp, false, true);
2855 			/* Warning the XGMI seesion initialize failure
2856 			 * Instead of stop driver initialization
2857 			 */
2858 			if (ret)
2859 				dev_err(psp->adev->dev,
2860 					"XGMI: Failed to initialize XGMI session\n");
2861 		}
2862 	}
2863 
2864 	if (psp->ta_fw) {
2865 		ret = psp_ras_initialize(psp);
2866 		if (ret)
2867 			dev_err(psp->adev->dev,
2868 				"RAS: Failed to initialize RAS\n");
2869 
2870 		ret = psp_hdcp_initialize(psp);
2871 		if (ret)
2872 			dev_err(psp->adev->dev,
2873 				"HDCP: Failed to initialize HDCP\n");
2874 
2875 		ret = psp_dtm_initialize(psp);
2876 		if (ret)
2877 			dev_err(psp->adev->dev,
2878 				"DTM: Failed to initialize DTM\n");
2879 
2880 		ret = psp_rap_initialize(psp);
2881 		if (ret)
2882 			dev_err(psp->adev->dev,
2883 				"RAP: Failed to initialize RAP\n");
2884 
2885 		ret = psp_securedisplay_initialize(psp);
2886 		if (ret)
2887 			dev_err(psp->adev->dev,
2888 				"SECUREDISPLAY: Failed to initialize SECUREDISPLAY\n");
2889 	}
2890 
2891 	return 0;
2892 
2893 failed1:
2894 	psp_free_shared_bufs(psp);
2895 failed:
2896 	/*
2897 	 * all cleanup jobs (xgmi terminate, ras terminate,
2898 	 * ring destroy, cmd/fence/fw buffers destory,
2899 	 * psp->cmd destory) are delayed to psp_hw_fini
2900 	 */
2901 	psp_ring_destroy(psp, PSP_RING_TYPE__KM);
2902 	return ret;
2903 }
2904 
2905 static int psp_hw_init(void *handle)
2906 {
2907 	int ret;
2908 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2909 
2910 	mutex_lock(&adev->firmware.mutex);
2911 	/*
2912 	 * This sequence is just used on hw_init only once, no need on
2913 	 * resume.
2914 	 */
2915 	ret = amdgpu_ucode_init_bo(adev);
2916 	if (ret)
2917 		goto failed;
2918 
2919 	ret = psp_load_fw(adev);
2920 	if (ret) {
2921 		dev_err(adev->dev, "PSP firmware loading failed\n");
2922 		goto failed;
2923 	}
2924 
2925 	mutex_unlock(&adev->firmware.mutex);
2926 	return 0;
2927 
2928 failed:
2929 	adev->firmware.load_type = AMDGPU_FW_LOAD_DIRECT;
2930 	mutex_unlock(&adev->firmware.mutex);
2931 	return -EINVAL;
2932 }
2933 
2934 static int psp_hw_fini(void *handle)
2935 {
2936 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2937 	struct psp_context *psp = &adev->psp;
2938 
2939 	if (psp->ta_fw) {
2940 		psp_ras_terminate(psp);
2941 		psp_securedisplay_terminate(psp);
2942 		psp_rap_terminate(psp);
2943 		psp_dtm_terminate(psp);
2944 		psp_hdcp_terminate(psp);
2945 
2946 		if (adev->gmc.xgmi.num_physical_nodes > 1)
2947 			psp_xgmi_terminate(psp);
2948 	}
2949 
2950 	psp_asd_terminate(psp);
2951 	psp_tmr_terminate(psp);
2952 
2953 	psp_ring_destroy(psp, PSP_RING_TYPE__KM);
2954 
2955 	return 0;
2956 }
2957 
2958 static int psp_suspend(void *handle)
2959 {
2960 	int ret = 0;
2961 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2962 	struct psp_context *psp = &adev->psp;
2963 
2964 	if (adev->gmc.xgmi.num_physical_nodes > 1 &&
2965 	    psp->xgmi_context.context.initialized) {
2966 		ret = psp_xgmi_terminate(psp);
2967 		if (ret) {
2968 			dev_err(adev->dev, "Failed to terminate xgmi ta\n");
2969 			goto out;
2970 		}
2971 	}
2972 
2973 	if (psp->ta_fw) {
2974 		ret = psp_ras_terminate(psp);
2975 		if (ret) {
2976 			dev_err(adev->dev, "Failed to terminate ras ta\n");
2977 			goto out;
2978 		}
2979 		ret = psp_hdcp_terminate(psp);
2980 		if (ret) {
2981 			dev_err(adev->dev, "Failed to terminate hdcp ta\n");
2982 			goto out;
2983 		}
2984 		ret = psp_dtm_terminate(psp);
2985 		if (ret) {
2986 			dev_err(adev->dev, "Failed to terminate dtm ta\n");
2987 			goto out;
2988 		}
2989 		ret = psp_rap_terminate(psp);
2990 		if (ret) {
2991 			dev_err(adev->dev, "Failed to terminate rap ta\n");
2992 			goto out;
2993 		}
2994 		ret = psp_securedisplay_terminate(psp);
2995 		if (ret) {
2996 			dev_err(adev->dev, "Failed to terminate securedisplay ta\n");
2997 			goto out;
2998 		}
2999 	}
3000 
3001 	ret = psp_asd_terminate(psp);
3002 	if (ret) {
3003 		dev_err(adev->dev, "Failed to terminate asd\n");
3004 		goto out;
3005 	}
3006 
3007 	ret = psp_tmr_terminate(psp);
3008 	if (ret) {
3009 		dev_err(adev->dev, "Failed to terminate tmr\n");
3010 		goto out;
3011 	}
3012 
3013 	ret = psp_ring_stop(psp, PSP_RING_TYPE__KM);
3014 	if (ret)
3015 		dev_err(adev->dev, "PSP ring stop failed\n");
3016 
3017 out:
3018 	return ret;
3019 }
3020 
3021 static int psp_resume(void *handle)
3022 {
3023 	int ret;
3024 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3025 	struct psp_context *psp = &adev->psp;
3026 
3027 	dev_info(adev->dev, "PSP is resuming...\n");
3028 
3029 	if (psp->mem_train_ctx.enable_mem_training) {
3030 		ret = psp_mem_training(psp, PSP_MEM_TRAIN_RESUME);
3031 		if (ret) {
3032 			dev_err(adev->dev, "Failed to process memory training!\n");
3033 			return ret;
3034 		}
3035 	}
3036 
3037 	mutex_lock(&adev->firmware.mutex);
3038 
3039 	ret = psp_hw_start(psp);
3040 	if (ret)
3041 		goto failed;
3042 
3043 	ret = psp_load_non_psp_fw(psp);
3044 	if (ret)
3045 		goto failed;
3046 
3047 	ret = psp_asd_initialize(psp);
3048 	if (ret) {
3049 		dev_err(adev->dev, "PSP load asd failed!\n");
3050 		goto failed;
3051 	}
3052 
3053 	ret = psp_rl_load(adev);
3054 	if (ret) {
3055 		dev_err(adev->dev, "PSP load RL failed!\n");
3056 		goto failed;
3057 	}
3058 
3059 	if (adev->gmc.xgmi.num_physical_nodes > 1) {
3060 		ret = psp_xgmi_initialize(psp, false, true);
3061 		/* Warning the XGMI seesion initialize failure
3062 		 * Instead of stop driver initialization
3063 		 */
3064 		if (ret)
3065 			dev_err(psp->adev->dev,
3066 				"XGMI: Failed to initialize XGMI session\n");
3067 	}
3068 
3069 	if (psp->ta_fw) {
3070 		ret = psp_ras_initialize(psp);
3071 		if (ret)
3072 			dev_err(psp->adev->dev,
3073 				"RAS: Failed to initialize RAS\n");
3074 
3075 		ret = psp_hdcp_initialize(psp);
3076 		if (ret)
3077 			dev_err(psp->adev->dev,
3078 				"HDCP: Failed to initialize HDCP\n");
3079 
3080 		ret = psp_dtm_initialize(psp);
3081 		if (ret)
3082 			dev_err(psp->adev->dev,
3083 				"DTM: Failed to initialize DTM\n");
3084 
3085 		ret = psp_rap_initialize(psp);
3086 		if (ret)
3087 			dev_err(psp->adev->dev,
3088 				"RAP: Failed to initialize RAP\n");
3089 
3090 		ret = psp_securedisplay_initialize(psp);
3091 		if (ret)
3092 			dev_err(psp->adev->dev,
3093 				"SECUREDISPLAY: Failed to initialize SECUREDISPLAY\n");
3094 	}
3095 
3096 	mutex_unlock(&adev->firmware.mutex);
3097 
3098 	return 0;
3099 
3100 failed:
3101 	dev_err(adev->dev, "PSP resume failed\n");
3102 	mutex_unlock(&adev->firmware.mutex);
3103 	return ret;
3104 }
3105 
3106 int psp_gpu_reset(struct amdgpu_device *adev)
3107 {
3108 	int ret;
3109 
3110 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
3111 		return 0;
3112 
3113 	mutex_lock(&adev->psp.mutex);
3114 	ret = psp_mode1_reset(&adev->psp);
3115 	mutex_unlock(&adev->psp.mutex);
3116 
3117 	return ret;
3118 }
3119 
3120 int psp_rlc_autoload_start(struct psp_context *psp)
3121 {
3122 	int ret;
3123 	struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
3124 
3125 	cmd->cmd_id = GFX_CMD_ID_AUTOLOAD_RLC;
3126 
3127 	ret = psp_cmd_submit_buf(psp, NULL, cmd,
3128 				 psp->fence_buf_mc_addr);
3129 
3130 	release_psp_cmd_buf(psp);
3131 
3132 	return ret;
3133 }
3134 
3135 int psp_ring_cmd_submit(struct psp_context *psp,
3136 			uint64_t cmd_buf_mc_addr,
3137 			uint64_t fence_mc_addr,
3138 			int index)
3139 {
3140 	unsigned int psp_write_ptr_reg = 0;
3141 	struct psp_gfx_rb_frame *write_frame;
3142 	struct psp_ring *ring = &psp->km_ring;
3143 	struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
3144 	struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
3145 		ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
3146 	struct amdgpu_device *adev = psp->adev;
3147 	uint32_t ring_size_dw = ring->ring_size / 4;
3148 	uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
3149 
3150 	/* KM (GPCOM) prepare write pointer */
3151 	psp_write_ptr_reg = psp_ring_get_wptr(psp);
3152 
3153 	/* Update KM RB frame pointer to new frame */
3154 	/* write_frame ptr increments by size of rb_frame in bytes */
3155 	/* psp_write_ptr_reg increments by size of rb_frame in DWORDs */
3156 	if ((psp_write_ptr_reg % ring_size_dw) == 0)
3157 		write_frame = ring_buffer_start;
3158 	else
3159 		write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw);
3160 	/* Check invalid write_frame ptr address */
3161 	if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) {
3162 		dev_err(adev->dev,
3163 			"ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n",
3164 			ring_buffer_start, ring_buffer_end, write_frame);
3165 		dev_err(adev->dev,
3166 			"write_frame is pointing to address out of bounds\n");
3167 		return -EINVAL;
3168 	}
3169 
3170 	/* Initialize KM RB frame */
3171 	memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
3172 
3173 	/* Update KM RB frame */
3174 	write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
3175 	write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
3176 	write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
3177 	write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
3178 	write_frame->fence_value = index;
3179 	amdgpu_device_flush_hdp(adev, NULL);
3180 
3181 	/* Update the write Pointer in DWORDs */
3182 	psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
3183 	psp_ring_set_wptr(psp, psp_write_ptr_reg);
3184 	return 0;
3185 }
3186 
3187 int psp_init_asd_microcode(struct psp_context *psp, const char *chip_name)
3188 {
3189 	struct amdgpu_device *adev = psp->adev;
3190 	char fw_name[PSP_FW_NAME_LEN];
3191 	const struct psp_firmware_header_v1_0 *asd_hdr;
3192 	int err = 0;
3193 
3194 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
3195 	err = amdgpu_ucode_request(adev, &adev->psp.asd_fw, fw_name);
3196 	if (err)
3197 		goto out;
3198 
3199 	asd_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
3200 	adev->psp.asd_context.bin_desc.fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
3201 	adev->psp.asd_context.bin_desc.feature_version = le32_to_cpu(asd_hdr->sos.fw_version);
3202 	adev->psp.asd_context.bin_desc.size_bytes = le32_to_cpu(asd_hdr->header.ucode_size_bytes);
3203 	adev->psp.asd_context.bin_desc.start_addr = (uint8_t *)asd_hdr +
3204 				le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
3205 	return 0;
3206 out:
3207 	amdgpu_ucode_release(&adev->psp.asd_fw);
3208 	return err;
3209 }
3210 
3211 int psp_init_toc_microcode(struct psp_context *psp, const char *chip_name)
3212 {
3213 	struct amdgpu_device *adev = psp->adev;
3214 	char fw_name[PSP_FW_NAME_LEN];
3215 	const struct psp_firmware_header_v1_0 *toc_hdr;
3216 	int err = 0;
3217 
3218 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_toc.bin", chip_name);
3219 	err = amdgpu_ucode_request(adev, &adev->psp.toc_fw, fw_name);
3220 	if (err)
3221 		goto out;
3222 
3223 	toc_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.toc_fw->data;
3224 	adev->psp.toc.fw_version = le32_to_cpu(toc_hdr->header.ucode_version);
3225 	adev->psp.toc.feature_version = le32_to_cpu(toc_hdr->sos.fw_version);
3226 	adev->psp.toc.size_bytes = le32_to_cpu(toc_hdr->header.ucode_size_bytes);
3227 	adev->psp.toc.start_addr = (uint8_t *)toc_hdr +
3228 				le32_to_cpu(toc_hdr->header.ucode_array_offset_bytes);
3229 	return 0;
3230 out:
3231 	amdgpu_ucode_release(&adev->psp.toc_fw);
3232 	return err;
3233 }
3234 
3235 static int parse_sos_bin_descriptor(struct psp_context *psp,
3236 				   const struct psp_fw_bin_desc *desc,
3237 				   const struct psp_firmware_header_v2_0 *sos_hdr)
3238 {
3239 	uint8_t *ucode_start_addr  = NULL;
3240 
3241 	if (!psp || !desc || !sos_hdr)
3242 		return -EINVAL;
3243 
3244 	ucode_start_addr  = (uint8_t *)sos_hdr +
3245 			    le32_to_cpu(desc->offset_bytes) +
3246 			    le32_to_cpu(sos_hdr->header.ucode_array_offset_bytes);
3247 
3248 	switch (desc->fw_type) {
3249 	case PSP_FW_TYPE_PSP_SOS:
3250 		psp->sos.fw_version        = le32_to_cpu(desc->fw_version);
3251 		psp->sos.feature_version   = le32_to_cpu(desc->fw_version);
3252 		psp->sos.size_bytes        = le32_to_cpu(desc->size_bytes);
3253 		psp->sos.start_addr	   = ucode_start_addr;
3254 		break;
3255 	case PSP_FW_TYPE_PSP_SYS_DRV:
3256 		psp->sys.fw_version        = le32_to_cpu(desc->fw_version);
3257 		psp->sys.feature_version   = le32_to_cpu(desc->fw_version);
3258 		psp->sys.size_bytes        = le32_to_cpu(desc->size_bytes);
3259 		psp->sys.start_addr        = ucode_start_addr;
3260 		break;
3261 	case PSP_FW_TYPE_PSP_KDB:
3262 		psp->kdb.fw_version        = le32_to_cpu(desc->fw_version);
3263 		psp->kdb.feature_version   = le32_to_cpu(desc->fw_version);
3264 		psp->kdb.size_bytes        = le32_to_cpu(desc->size_bytes);
3265 		psp->kdb.start_addr        = ucode_start_addr;
3266 		break;
3267 	case PSP_FW_TYPE_PSP_TOC:
3268 		psp->toc.fw_version        = le32_to_cpu(desc->fw_version);
3269 		psp->toc.feature_version   = le32_to_cpu(desc->fw_version);
3270 		psp->toc.size_bytes        = le32_to_cpu(desc->size_bytes);
3271 		psp->toc.start_addr        = ucode_start_addr;
3272 		break;
3273 	case PSP_FW_TYPE_PSP_SPL:
3274 		psp->spl.fw_version        = le32_to_cpu(desc->fw_version);
3275 		psp->spl.feature_version   = le32_to_cpu(desc->fw_version);
3276 		psp->spl.size_bytes        = le32_to_cpu(desc->size_bytes);
3277 		psp->spl.start_addr        = ucode_start_addr;
3278 		break;
3279 	case PSP_FW_TYPE_PSP_RL:
3280 		psp->rl.fw_version         = le32_to_cpu(desc->fw_version);
3281 		psp->rl.feature_version    = le32_to_cpu(desc->fw_version);
3282 		psp->rl.size_bytes         = le32_to_cpu(desc->size_bytes);
3283 		psp->rl.start_addr         = ucode_start_addr;
3284 		break;
3285 	case PSP_FW_TYPE_PSP_SOC_DRV:
3286 		psp->soc_drv.fw_version         = le32_to_cpu(desc->fw_version);
3287 		psp->soc_drv.feature_version    = le32_to_cpu(desc->fw_version);
3288 		psp->soc_drv.size_bytes         = le32_to_cpu(desc->size_bytes);
3289 		psp->soc_drv.start_addr         = ucode_start_addr;
3290 		break;
3291 	case PSP_FW_TYPE_PSP_INTF_DRV:
3292 		psp->intf_drv.fw_version        = le32_to_cpu(desc->fw_version);
3293 		psp->intf_drv.feature_version   = le32_to_cpu(desc->fw_version);
3294 		psp->intf_drv.size_bytes        = le32_to_cpu(desc->size_bytes);
3295 		psp->intf_drv.start_addr        = ucode_start_addr;
3296 		break;
3297 	case PSP_FW_TYPE_PSP_DBG_DRV:
3298 		psp->dbg_drv.fw_version         = le32_to_cpu(desc->fw_version);
3299 		psp->dbg_drv.feature_version    = le32_to_cpu(desc->fw_version);
3300 		psp->dbg_drv.size_bytes         = le32_to_cpu(desc->size_bytes);
3301 		psp->dbg_drv.start_addr         = ucode_start_addr;
3302 		break;
3303 	case PSP_FW_TYPE_PSP_RAS_DRV:
3304 		psp->ras_drv.fw_version         = le32_to_cpu(desc->fw_version);
3305 		psp->ras_drv.feature_version    = le32_to_cpu(desc->fw_version);
3306 		psp->ras_drv.size_bytes         = le32_to_cpu(desc->size_bytes);
3307 		psp->ras_drv.start_addr         = ucode_start_addr;
3308 		break;
3309 	case PSP_FW_TYPE_PSP_IPKEYMGR_DRV:
3310 		psp->ipkeymgr_drv.fw_version         = le32_to_cpu(desc->fw_version);
3311 		psp->ipkeymgr_drv.feature_version    = le32_to_cpu(desc->fw_version);
3312 		psp->ipkeymgr_drv.size_bytes         = le32_to_cpu(desc->size_bytes);
3313 		psp->ipkeymgr_drv.start_addr         = ucode_start_addr;
3314 		break;
3315 	default:
3316 		dev_warn(psp->adev->dev, "Unsupported PSP FW type: %d\n", desc->fw_type);
3317 		break;
3318 	}
3319 
3320 	return 0;
3321 }
3322 
3323 static int psp_init_sos_base_fw(struct amdgpu_device *adev)
3324 {
3325 	const struct psp_firmware_header_v1_0 *sos_hdr;
3326 	const struct psp_firmware_header_v1_3 *sos_hdr_v1_3;
3327 	uint8_t *ucode_array_start_addr;
3328 
3329 	sos_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;
3330 	ucode_array_start_addr = (uint8_t *)sos_hdr +
3331 		le32_to_cpu(sos_hdr->header.ucode_array_offset_bytes);
3332 
3333 	if (adev->gmc.xgmi.connected_to_cpu ||
3334 	    (amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 2))) {
3335 		adev->psp.sos.fw_version = le32_to_cpu(sos_hdr->header.ucode_version);
3336 		adev->psp.sos.feature_version = le32_to_cpu(sos_hdr->sos.fw_version);
3337 
3338 		adev->psp.sys.size_bytes = le32_to_cpu(sos_hdr->sos.offset_bytes);
3339 		adev->psp.sys.start_addr = ucode_array_start_addr;
3340 
3341 		adev->psp.sos.size_bytes = le32_to_cpu(sos_hdr->sos.size_bytes);
3342 		adev->psp.sos.start_addr = ucode_array_start_addr +
3343 				le32_to_cpu(sos_hdr->sos.offset_bytes);
3344 	} else {
3345 		/* Load alternate PSP SOS FW */
3346 		sos_hdr_v1_3 = (const struct psp_firmware_header_v1_3 *)adev->psp.sos_fw->data;
3347 
3348 		adev->psp.sos.fw_version = le32_to_cpu(sos_hdr_v1_3->sos_aux.fw_version);
3349 		adev->psp.sos.feature_version = le32_to_cpu(sos_hdr_v1_3->sos_aux.fw_version);
3350 
3351 		adev->psp.sys.size_bytes = le32_to_cpu(sos_hdr_v1_3->sys_drv_aux.size_bytes);
3352 		adev->psp.sys.start_addr = ucode_array_start_addr +
3353 			le32_to_cpu(sos_hdr_v1_3->sys_drv_aux.offset_bytes);
3354 
3355 		adev->psp.sos.size_bytes = le32_to_cpu(sos_hdr_v1_3->sos_aux.size_bytes);
3356 		adev->psp.sos.start_addr = ucode_array_start_addr +
3357 			le32_to_cpu(sos_hdr_v1_3->sos_aux.offset_bytes);
3358 	}
3359 
3360 	if ((adev->psp.sys.size_bytes == 0) || (adev->psp.sos.size_bytes == 0)) {
3361 		dev_warn(adev->dev, "PSP SOS FW not available");
3362 		return -EINVAL;
3363 	}
3364 
3365 	return 0;
3366 }
3367 
3368 int psp_init_sos_microcode(struct psp_context *psp, const char *chip_name)
3369 {
3370 	struct amdgpu_device *adev = psp->adev;
3371 	char fw_name[PSP_FW_NAME_LEN];
3372 	const struct psp_firmware_header_v1_0 *sos_hdr;
3373 	const struct psp_firmware_header_v1_1 *sos_hdr_v1_1;
3374 	const struct psp_firmware_header_v1_2 *sos_hdr_v1_2;
3375 	const struct psp_firmware_header_v1_3 *sos_hdr_v1_3;
3376 	const struct psp_firmware_header_v2_0 *sos_hdr_v2_0;
3377 	int err = 0;
3378 	uint8_t *ucode_array_start_addr;
3379 	int fw_index = 0;
3380 
3381 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);
3382 	err = amdgpu_ucode_request(adev, &adev->psp.sos_fw, fw_name);
3383 	if (err)
3384 		goto out;
3385 
3386 	sos_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;
3387 	ucode_array_start_addr = (uint8_t *)sos_hdr +
3388 		le32_to_cpu(sos_hdr->header.ucode_array_offset_bytes);
3389 	amdgpu_ucode_print_psp_hdr(&sos_hdr->header);
3390 
3391 	switch (sos_hdr->header.header_version_major) {
3392 	case 1:
3393 		err = psp_init_sos_base_fw(adev);
3394 		if (err)
3395 			goto out;
3396 
3397 		if (sos_hdr->header.header_version_minor == 1) {
3398 			sos_hdr_v1_1 = (const struct psp_firmware_header_v1_1 *)adev->psp.sos_fw->data;
3399 			adev->psp.toc.size_bytes = le32_to_cpu(sos_hdr_v1_1->toc.size_bytes);
3400 			adev->psp.toc.start_addr = (uint8_t *)adev->psp.sys.start_addr +
3401 					le32_to_cpu(sos_hdr_v1_1->toc.offset_bytes);
3402 			adev->psp.kdb.size_bytes = le32_to_cpu(sos_hdr_v1_1->kdb.size_bytes);
3403 			adev->psp.kdb.start_addr = (uint8_t *)adev->psp.sys.start_addr +
3404 					le32_to_cpu(sos_hdr_v1_1->kdb.offset_bytes);
3405 		}
3406 		if (sos_hdr->header.header_version_minor == 2) {
3407 			sos_hdr_v1_2 = (const struct psp_firmware_header_v1_2 *)adev->psp.sos_fw->data;
3408 			adev->psp.kdb.size_bytes = le32_to_cpu(sos_hdr_v1_2->kdb.size_bytes);
3409 			adev->psp.kdb.start_addr = (uint8_t *)adev->psp.sys.start_addr +
3410 						    le32_to_cpu(sos_hdr_v1_2->kdb.offset_bytes);
3411 		}
3412 		if (sos_hdr->header.header_version_minor == 3) {
3413 			sos_hdr_v1_3 = (const struct psp_firmware_header_v1_3 *)adev->psp.sos_fw->data;
3414 			adev->psp.toc.size_bytes = le32_to_cpu(sos_hdr_v1_3->v1_1.toc.size_bytes);
3415 			adev->psp.toc.start_addr = ucode_array_start_addr +
3416 				le32_to_cpu(sos_hdr_v1_3->v1_1.toc.offset_bytes);
3417 			adev->psp.kdb.size_bytes = le32_to_cpu(sos_hdr_v1_3->v1_1.kdb.size_bytes);
3418 			adev->psp.kdb.start_addr = ucode_array_start_addr +
3419 				le32_to_cpu(sos_hdr_v1_3->v1_1.kdb.offset_bytes);
3420 			adev->psp.spl.size_bytes = le32_to_cpu(sos_hdr_v1_3->spl.size_bytes);
3421 			adev->psp.spl.start_addr = ucode_array_start_addr +
3422 				le32_to_cpu(sos_hdr_v1_3->spl.offset_bytes);
3423 			adev->psp.rl.size_bytes = le32_to_cpu(sos_hdr_v1_3->rl.size_bytes);
3424 			adev->psp.rl.start_addr = ucode_array_start_addr +
3425 				le32_to_cpu(sos_hdr_v1_3->rl.offset_bytes);
3426 		}
3427 		break;
3428 	case 2:
3429 		sos_hdr_v2_0 = (const struct psp_firmware_header_v2_0 *)adev->psp.sos_fw->data;
3430 
3431 		if (le32_to_cpu(sos_hdr_v2_0->psp_fw_bin_count) >= UCODE_MAX_PSP_PACKAGING) {
3432 			dev_err(adev->dev, "packed SOS count exceeds maximum limit\n");
3433 			err = -EINVAL;
3434 			goto out;
3435 		}
3436 
3437 		for (fw_index = 0; fw_index < le32_to_cpu(sos_hdr_v2_0->psp_fw_bin_count); fw_index++) {
3438 			err = parse_sos_bin_descriptor(psp,
3439 						       &sos_hdr_v2_0->psp_fw_bin[fw_index],
3440 						       sos_hdr_v2_0);
3441 			if (err)
3442 				goto out;
3443 		}
3444 		break;
3445 	default:
3446 		dev_err(adev->dev,
3447 			"unsupported psp sos firmware\n");
3448 		err = -EINVAL;
3449 		goto out;
3450 	}
3451 
3452 	return 0;
3453 out:
3454 	amdgpu_ucode_release(&adev->psp.sos_fw);
3455 
3456 	return err;
3457 }
3458 
3459 static int parse_ta_bin_descriptor(struct psp_context *psp,
3460 				   const struct psp_fw_bin_desc *desc,
3461 				   const struct ta_firmware_header_v2_0 *ta_hdr)
3462 {
3463 	uint8_t *ucode_start_addr  = NULL;
3464 
3465 	if (!psp || !desc || !ta_hdr)
3466 		return -EINVAL;
3467 
3468 	ucode_start_addr  = (uint8_t *)ta_hdr +
3469 			    le32_to_cpu(desc->offset_bytes) +
3470 			    le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
3471 
3472 	switch (desc->fw_type) {
3473 	case TA_FW_TYPE_PSP_ASD:
3474 		psp->asd_context.bin_desc.fw_version        = le32_to_cpu(desc->fw_version);
3475 		psp->asd_context.bin_desc.feature_version   = le32_to_cpu(desc->fw_version);
3476 		psp->asd_context.bin_desc.size_bytes        = le32_to_cpu(desc->size_bytes);
3477 		psp->asd_context.bin_desc.start_addr        = ucode_start_addr;
3478 		break;
3479 	case TA_FW_TYPE_PSP_XGMI:
3480 		psp->xgmi_context.context.bin_desc.fw_version       = le32_to_cpu(desc->fw_version);
3481 		psp->xgmi_context.context.bin_desc.size_bytes       = le32_to_cpu(desc->size_bytes);
3482 		psp->xgmi_context.context.bin_desc.start_addr       = ucode_start_addr;
3483 		break;
3484 	case TA_FW_TYPE_PSP_RAS:
3485 		psp->ras_context.context.bin_desc.fw_version        = le32_to_cpu(desc->fw_version);
3486 		psp->ras_context.context.bin_desc.size_bytes        = le32_to_cpu(desc->size_bytes);
3487 		psp->ras_context.context.bin_desc.start_addr        = ucode_start_addr;
3488 		break;
3489 	case TA_FW_TYPE_PSP_HDCP:
3490 		psp->hdcp_context.context.bin_desc.fw_version       = le32_to_cpu(desc->fw_version);
3491 		psp->hdcp_context.context.bin_desc.size_bytes       = le32_to_cpu(desc->size_bytes);
3492 		psp->hdcp_context.context.bin_desc.start_addr       = ucode_start_addr;
3493 		break;
3494 	case TA_FW_TYPE_PSP_DTM:
3495 		psp->dtm_context.context.bin_desc.fw_version       = le32_to_cpu(desc->fw_version);
3496 		psp->dtm_context.context.bin_desc.size_bytes       = le32_to_cpu(desc->size_bytes);
3497 		psp->dtm_context.context.bin_desc.start_addr       = ucode_start_addr;
3498 		break;
3499 	case TA_FW_TYPE_PSP_RAP:
3500 		psp->rap_context.context.bin_desc.fw_version       = le32_to_cpu(desc->fw_version);
3501 		psp->rap_context.context.bin_desc.size_bytes       = le32_to_cpu(desc->size_bytes);
3502 		psp->rap_context.context.bin_desc.start_addr       = ucode_start_addr;
3503 		break;
3504 	case TA_FW_TYPE_PSP_SECUREDISPLAY:
3505 		psp->securedisplay_context.context.bin_desc.fw_version =
3506 			le32_to_cpu(desc->fw_version);
3507 		psp->securedisplay_context.context.bin_desc.size_bytes =
3508 			le32_to_cpu(desc->size_bytes);
3509 		psp->securedisplay_context.context.bin_desc.start_addr =
3510 			ucode_start_addr;
3511 		break;
3512 	default:
3513 		dev_warn(psp->adev->dev, "Unsupported TA type: %d\n", desc->fw_type);
3514 		break;
3515 	}
3516 
3517 	return 0;
3518 }
3519 
3520 static int parse_ta_v1_microcode(struct psp_context *psp)
3521 {
3522 	const struct ta_firmware_header_v1_0 *ta_hdr;
3523 	struct amdgpu_device *adev = psp->adev;
3524 
3525 	ta_hdr = (const struct ta_firmware_header_v1_0 *) adev->psp.ta_fw->data;
3526 
3527 	if (le16_to_cpu(ta_hdr->header.header_version_major) != 1)
3528 		return -EINVAL;
3529 
3530 	adev->psp.xgmi_context.context.bin_desc.fw_version =
3531 		le32_to_cpu(ta_hdr->xgmi.fw_version);
3532 	adev->psp.xgmi_context.context.bin_desc.size_bytes =
3533 		le32_to_cpu(ta_hdr->xgmi.size_bytes);
3534 	adev->psp.xgmi_context.context.bin_desc.start_addr =
3535 		(uint8_t *)ta_hdr +
3536 		le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
3537 
3538 	adev->psp.ras_context.context.bin_desc.fw_version =
3539 		le32_to_cpu(ta_hdr->ras.fw_version);
3540 	adev->psp.ras_context.context.bin_desc.size_bytes =
3541 		le32_to_cpu(ta_hdr->ras.size_bytes);
3542 	adev->psp.ras_context.context.bin_desc.start_addr =
3543 		(uint8_t *)adev->psp.xgmi_context.context.bin_desc.start_addr +
3544 		le32_to_cpu(ta_hdr->ras.offset_bytes);
3545 
3546 	adev->psp.hdcp_context.context.bin_desc.fw_version =
3547 		le32_to_cpu(ta_hdr->hdcp.fw_version);
3548 	adev->psp.hdcp_context.context.bin_desc.size_bytes =
3549 		le32_to_cpu(ta_hdr->hdcp.size_bytes);
3550 	adev->psp.hdcp_context.context.bin_desc.start_addr =
3551 		(uint8_t *)ta_hdr +
3552 		le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
3553 
3554 	adev->psp.dtm_context.context.bin_desc.fw_version =
3555 		le32_to_cpu(ta_hdr->dtm.fw_version);
3556 	adev->psp.dtm_context.context.bin_desc.size_bytes =
3557 		le32_to_cpu(ta_hdr->dtm.size_bytes);
3558 	adev->psp.dtm_context.context.bin_desc.start_addr =
3559 		(uint8_t *)adev->psp.hdcp_context.context.bin_desc.start_addr +
3560 		le32_to_cpu(ta_hdr->dtm.offset_bytes);
3561 
3562 	adev->psp.securedisplay_context.context.bin_desc.fw_version =
3563 		le32_to_cpu(ta_hdr->securedisplay.fw_version);
3564 	adev->psp.securedisplay_context.context.bin_desc.size_bytes =
3565 		le32_to_cpu(ta_hdr->securedisplay.size_bytes);
3566 	adev->psp.securedisplay_context.context.bin_desc.start_addr =
3567 		(uint8_t *)adev->psp.hdcp_context.context.bin_desc.start_addr +
3568 		le32_to_cpu(ta_hdr->securedisplay.offset_bytes);
3569 
3570 	adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
3571 
3572 	return 0;
3573 }
3574 
3575 static int parse_ta_v2_microcode(struct psp_context *psp)
3576 {
3577 	const struct ta_firmware_header_v2_0 *ta_hdr;
3578 	struct amdgpu_device *adev = psp->adev;
3579 	int err = 0;
3580 	int ta_index = 0;
3581 
3582 	ta_hdr = (const struct ta_firmware_header_v2_0 *)adev->psp.ta_fw->data;
3583 
3584 	if (le16_to_cpu(ta_hdr->header.header_version_major) != 2)
3585 		return -EINVAL;
3586 
3587 	if (le32_to_cpu(ta_hdr->ta_fw_bin_count) >= UCODE_MAX_PSP_PACKAGING) {
3588 		dev_err(adev->dev, "packed TA count exceeds maximum limit\n");
3589 		return -EINVAL;
3590 	}
3591 
3592 	for (ta_index = 0; ta_index < le32_to_cpu(ta_hdr->ta_fw_bin_count); ta_index++) {
3593 		err = parse_ta_bin_descriptor(psp,
3594 					      &ta_hdr->ta_fw_bin[ta_index],
3595 					      ta_hdr);
3596 		if (err)
3597 			return err;
3598 	}
3599 
3600 	return 0;
3601 }
3602 
3603 int psp_init_ta_microcode(struct psp_context *psp, const char *chip_name)
3604 {
3605 	const struct common_firmware_header *hdr;
3606 	struct amdgpu_device *adev = psp->adev;
3607 	char fw_name[PSP_FW_NAME_LEN];
3608 	int err;
3609 
3610 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
3611 	err = amdgpu_ucode_request(adev, &adev->psp.ta_fw, fw_name);
3612 	if (err)
3613 		return err;
3614 
3615 	hdr = (const struct common_firmware_header *)adev->psp.ta_fw->data;
3616 	switch (le16_to_cpu(hdr->header_version_major)) {
3617 	case 1:
3618 		err = parse_ta_v1_microcode(psp);
3619 		break;
3620 	case 2:
3621 		err = parse_ta_v2_microcode(psp);
3622 		break;
3623 	default:
3624 		dev_err(adev->dev, "unsupported TA header version\n");
3625 		err = -EINVAL;
3626 	}
3627 
3628 	if (err)
3629 		amdgpu_ucode_release(&adev->psp.ta_fw);
3630 
3631 	return err;
3632 }
3633 
3634 int psp_init_cap_microcode(struct psp_context *psp, const char *chip_name)
3635 {
3636 	struct amdgpu_device *adev = psp->adev;
3637 	char fw_name[PSP_FW_NAME_LEN];
3638 	const struct psp_firmware_header_v1_0 *cap_hdr_v1_0;
3639 	struct amdgpu_firmware_info *info = NULL;
3640 	int err = 0;
3641 
3642 	if (!amdgpu_sriov_vf(adev)) {
3643 		dev_err(adev->dev, "cap microcode should only be loaded under SRIOV\n");
3644 		return -EINVAL;
3645 	}
3646 
3647 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_cap.bin", chip_name);
3648 	err = amdgpu_ucode_request(adev, &adev->psp.cap_fw, fw_name);
3649 	if (err) {
3650 		if (err == -ENODEV) {
3651 			dev_warn(adev->dev, "cap microcode does not exist, skip\n");
3652 			err = 0;
3653 			goto out;
3654 		}
3655 		dev_err(adev->dev, "fail to initialize cap microcode\n");
3656 	}
3657 
3658 	info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CAP];
3659 	info->ucode_id = AMDGPU_UCODE_ID_CAP;
3660 	info->fw = adev->psp.cap_fw;
3661 	cap_hdr_v1_0 = (const struct psp_firmware_header_v1_0 *)
3662 		adev->psp.cap_fw->data;
3663 	adev->firmware.fw_size += ALIGN(
3664 			le32_to_cpu(cap_hdr_v1_0->header.ucode_size_bytes), PAGE_SIZE);
3665 	adev->psp.cap_fw_version = le32_to_cpu(cap_hdr_v1_0->header.ucode_version);
3666 	adev->psp.cap_feature_version = le32_to_cpu(cap_hdr_v1_0->sos.fw_version);
3667 	adev->psp.cap_ucode_size = le32_to_cpu(cap_hdr_v1_0->header.ucode_size_bytes);
3668 
3669 	return 0;
3670 
3671 out:
3672 	amdgpu_ucode_release(&adev->psp.cap_fw);
3673 	return err;
3674 }
3675 
3676 static int psp_set_clockgating_state(void *handle,
3677 				     enum amd_clockgating_state state)
3678 {
3679 	return 0;
3680 }
3681 
3682 static int psp_set_powergating_state(void *handle,
3683 				     enum amd_powergating_state state)
3684 {
3685 	return 0;
3686 }
3687 
3688 static ssize_t psp_usbc_pd_fw_sysfs_read(struct device *dev,
3689 					 struct device_attribute *attr,
3690 					 char *buf)
3691 {
3692 	struct drm_device *ddev = dev_get_drvdata(dev);
3693 	struct amdgpu_device *adev = drm_to_adev(ddev);
3694 	uint32_t fw_ver;
3695 	int ret;
3696 
3697 	if (!adev->ip_blocks[AMD_IP_BLOCK_TYPE_PSP].status.late_initialized) {
3698 		dev_info(adev->dev, "PSP block is not ready yet\n.");
3699 		return -EBUSY;
3700 	}
3701 
3702 	mutex_lock(&adev->psp.mutex);
3703 	ret = psp_read_usbc_pd_fw(&adev->psp, &fw_ver);
3704 	mutex_unlock(&adev->psp.mutex);
3705 
3706 	if (ret) {
3707 		dev_err(adev->dev, "Failed to read USBC PD FW, err = %d\n", ret);
3708 		return ret;
3709 	}
3710 
3711 	return sysfs_emit(buf, "%x\n", fw_ver);
3712 }
3713 
3714 static ssize_t psp_usbc_pd_fw_sysfs_write(struct device *dev,
3715 						       struct device_attribute *attr,
3716 						       const char *buf,
3717 						       size_t count)
3718 {
3719 	struct drm_device *ddev = dev_get_drvdata(dev);
3720 	struct amdgpu_device *adev = drm_to_adev(ddev);
3721 	int ret, idx;
3722 	char fw_name[100];
3723 	const struct firmware *usbc_pd_fw;
3724 	struct amdgpu_bo *fw_buf_bo = NULL;
3725 	uint64_t fw_pri_mc_addr;
3726 	void *fw_pri_cpu_addr;
3727 
3728 	if (!adev->ip_blocks[AMD_IP_BLOCK_TYPE_PSP].status.late_initialized) {
3729 		dev_err(adev->dev, "PSP block is not ready yet.");
3730 		return -EBUSY;
3731 	}
3732 
3733 	if (!drm_dev_enter(ddev, &idx))
3734 		return -ENODEV;
3735 
3736 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s", buf);
3737 	ret = request_firmware(&usbc_pd_fw, fw_name, adev->dev);
3738 	if (ret)
3739 		goto fail;
3740 
3741 	/* LFB address which is aligned to 1MB boundary per PSP request */
3742 	ret = amdgpu_bo_create_kernel(adev, usbc_pd_fw->size, 0x100000,
3743 				      AMDGPU_GEM_DOMAIN_VRAM |
3744 				      AMDGPU_GEM_DOMAIN_GTT,
3745 				      &fw_buf_bo, &fw_pri_mc_addr,
3746 				      &fw_pri_cpu_addr);
3747 	if (ret)
3748 		goto rel_buf;
3749 
3750 	memcpy_toio(fw_pri_cpu_addr, usbc_pd_fw->data, usbc_pd_fw->size);
3751 
3752 	mutex_lock(&adev->psp.mutex);
3753 	ret = psp_load_usbc_pd_fw(&adev->psp, fw_pri_mc_addr);
3754 	mutex_unlock(&adev->psp.mutex);
3755 
3756 	amdgpu_bo_free_kernel(&fw_buf_bo, &fw_pri_mc_addr, &fw_pri_cpu_addr);
3757 
3758 rel_buf:
3759 	release_firmware(usbc_pd_fw);
3760 fail:
3761 	if (ret) {
3762 		dev_err(adev->dev, "Failed to load USBC PD FW, err = %d", ret);
3763 		count = ret;
3764 	}
3765 
3766 	drm_dev_exit(idx);
3767 	return count;
3768 }
3769 
3770 void psp_copy_fw(struct psp_context *psp, uint8_t *start_addr, uint32_t bin_size)
3771 {
3772 	int idx;
3773 
3774 	if (!drm_dev_enter(adev_to_drm(psp->adev), &idx))
3775 		return;
3776 
3777 	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
3778 	memcpy(psp->fw_pri_buf, start_addr, bin_size);
3779 
3780 	drm_dev_exit(idx);
3781 }
3782 
3783 /**
3784  * DOC: usbc_pd_fw
3785  * Reading from this file will retrieve the USB-C PD firmware version. Writing to
3786  * this file will trigger the update process.
3787  */
3788 static DEVICE_ATTR(usbc_pd_fw, 0644,
3789 		   psp_usbc_pd_fw_sysfs_read,
3790 		   psp_usbc_pd_fw_sysfs_write);
3791 
3792 int is_psp_fw_valid(struct psp_bin_desc bin)
3793 {
3794 	return bin.size_bytes;
3795 }
3796 
3797 static ssize_t amdgpu_psp_vbflash_write(struct file *filp, struct kobject *kobj,
3798 					struct bin_attribute *bin_attr,
3799 					char *buffer, loff_t pos, size_t count)
3800 {
3801 	struct device *dev = kobj_to_dev(kobj);
3802 	struct drm_device *ddev = dev_get_drvdata(dev);
3803 	struct amdgpu_device *adev = drm_to_adev(ddev);
3804 
3805 	adev->psp.vbflash_done = false;
3806 
3807 	/* Safeguard against memory drain */
3808 	if (adev->psp.vbflash_image_size > AMD_VBIOS_FILE_MAX_SIZE_B) {
3809 		dev_err(adev->dev, "File size cannot exceed %u\n", AMD_VBIOS_FILE_MAX_SIZE_B);
3810 		kvfree(adev->psp.vbflash_tmp_buf);
3811 		adev->psp.vbflash_tmp_buf = NULL;
3812 		adev->psp.vbflash_image_size = 0;
3813 		return -ENOMEM;
3814 	}
3815 
3816 	/* TODO Just allocate max for now and optimize to realloc later if needed */
3817 	if (!adev->psp.vbflash_tmp_buf) {
3818 		adev->psp.vbflash_tmp_buf = kvmalloc(AMD_VBIOS_FILE_MAX_SIZE_B, GFP_KERNEL);
3819 		if (!adev->psp.vbflash_tmp_buf)
3820 			return -ENOMEM;
3821 	}
3822 
3823 	mutex_lock(&adev->psp.mutex);
3824 	memcpy(adev->psp.vbflash_tmp_buf + pos, buffer, count);
3825 	adev->psp.vbflash_image_size += count;
3826 	mutex_unlock(&adev->psp.mutex);
3827 
3828 	dev_dbg(adev->dev, "IFWI staged for update\n");
3829 
3830 	return count;
3831 }
3832 
3833 static ssize_t amdgpu_psp_vbflash_read(struct file *filp, struct kobject *kobj,
3834 				       struct bin_attribute *bin_attr, char *buffer,
3835 				       loff_t pos, size_t count)
3836 {
3837 	struct device *dev = kobj_to_dev(kobj);
3838 	struct drm_device *ddev = dev_get_drvdata(dev);
3839 	struct amdgpu_device *adev = drm_to_adev(ddev);
3840 	struct amdgpu_bo *fw_buf_bo = NULL;
3841 	uint64_t fw_pri_mc_addr;
3842 	void *fw_pri_cpu_addr;
3843 	int ret;
3844 
3845 	if (adev->psp.vbflash_image_size == 0)
3846 		return -EINVAL;
3847 
3848 	dev_dbg(adev->dev, "PSP IFWI flash process initiated\n");
3849 
3850 	ret = amdgpu_bo_create_kernel(adev, adev->psp.vbflash_image_size,
3851 					AMDGPU_GPU_PAGE_SIZE,
3852 					AMDGPU_GEM_DOMAIN_VRAM,
3853 					&fw_buf_bo,
3854 					&fw_pri_mc_addr,
3855 					&fw_pri_cpu_addr);
3856 	if (ret)
3857 		goto rel_buf;
3858 
3859 	memcpy_toio(fw_pri_cpu_addr, adev->psp.vbflash_tmp_buf, adev->psp.vbflash_image_size);
3860 
3861 	mutex_lock(&adev->psp.mutex);
3862 	ret = psp_update_spirom(&adev->psp, fw_pri_mc_addr);
3863 	mutex_unlock(&adev->psp.mutex);
3864 
3865 	amdgpu_bo_free_kernel(&fw_buf_bo, &fw_pri_mc_addr, &fw_pri_cpu_addr);
3866 
3867 rel_buf:
3868 	kvfree(adev->psp.vbflash_tmp_buf);
3869 	adev->psp.vbflash_tmp_buf = NULL;
3870 	adev->psp.vbflash_image_size = 0;
3871 
3872 	if (ret) {
3873 		dev_err(adev->dev, "Failed to load IFWI, err = %d\n", ret);
3874 		return ret;
3875 	}
3876 
3877 	dev_dbg(adev->dev, "PSP IFWI flash process done\n");
3878 	return 0;
3879 }
3880 
3881 /**
3882  * DOC: psp_vbflash
3883  * Writing to this file will stage an IFWI for update. Reading from this file
3884  * will trigger the update process.
3885  */
3886 static struct bin_attribute psp_vbflash_bin_attr = {
3887 	.attr = {.name = "psp_vbflash", .mode = 0660},
3888 	.size = 0,
3889 	.write = amdgpu_psp_vbflash_write,
3890 	.read = amdgpu_psp_vbflash_read,
3891 };
3892 
3893 /**
3894  * DOC: psp_vbflash_status
3895  * The status of the flash process.
3896  * 0: IFWI flash not complete.
3897  * 1: IFWI flash complete.
3898  */
3899 static ssize_t amdgpu_psp_vbflash_status(struct device *dev,
3900 					 struct device_attribute *attr,
3901 					 char *buf)
3902 {
3903 	struct drm_device *ddev = dev_get_drvdata(dev);
3904 	struct amdgpu_device *adev = drm_to_adev(ddev);
3905 	uint32_t vbflash_status;
3906 
3907 	vbflash_status = psp_vbflash_status(&adev->psp);
3908 	if (!adev->psp.vbflash_done)
3909 		vbflash_status = 0;
3910 	else if (adev->psp.vbflash_done && !(vbflash_status & 0x80000000))
3911 		vbflash_status = 1;
3912 
3913 	return sysfs_emit(buf, "0x%x\n", vbflash_status);
3914 }
3915 static DEVICE_ATTR(psp_vbflash_status, 0440, amdgpu_psp_vbflash_status, NULL);
3916 
3917 static struct bin_attribute *bin_flash_attrs[] = {
3918 	&psp_vbflash_bin_attr,
3919 	NULL
3920 };
3921 
3922 static struct attribute *flash_attrs[] = {
3923 	&dev_attr_psp_vbflash_status.attr,
3924 	&dev_attr_usbc_pd_fw.attr,
3925 	NULL
3926 };
3927 
3928 static umode_t amdgpu_flash_attr_is_visible(struct kobject *kobj, struct attribute *attr, int idx)
3929 {
3930 	struct device *dev = kobj_to_dev(kobj);
3931 	struct drm_device *ddev = dev_get_drvdata(dev);
3932 	struct amdgpu_device *adev = drm_to_adev(ddev);
3933 
3934 	if (attr == &dev_attr_usbc_pd_fw.attr)
3935 		return adev->psp.sup_pd_fw_up ? 0660 : 0;
3936 
3937 	return adev->psp.sup_ifwi_up ? 0440 : 0;
3938 }
3939 
3940 static umode_t amdgpu_bin_flash_attr_is_visible(struct kobject *kobj,
3941 						struct bin_attribute *attr,
3942 						int idx)
3943 {
3944 	struct device *dev = kobj_to_dev(kobj);
3945 	struct drm_device *ddev = dev_get_drvdata(dev);
3946 	struct amdgpu_device *adev = drm_to_adev(ddev);
3947 
3948 	return adev->psp.sup_ifwi_up ? 0660 : 0;
3949 }
3950 
3951 const struct attribute_group amdgpu_flash_attr_group = {
3952 	.attrs = flash_attrs,
3953 	.bin_attrs = bin_flash_attrs,
3954 	.is_bin_visible = amdgpu_bin_flash_attr_is_visible,
3955 	.is_visible = amdgpu_flash_attr_is_visible,
3956 };
3957 
3958 const struct amd_ip_funcs psp_ip_funcs = {
3959 	.name = "psp",
3960 	.early_init = psp_early_init,
3961 	.late_init = NULL,
3962 	.sw_init = psp_sw_init,
3963 	.sw_fini = psp_sw_fini,
3964 	.hw_init = psp_hw_init,
3965 	.hw_fini = psp_hw_fini,
3966 	.suspend = psp_suspend,
3967 	.resume = psp_resume,
3968 	.is_idle = NULL,
3969 	.check_soft_reset = NULL,
3970 	.wait_for_idle = NULL,
3971 	.soft_reset = NULL,
3972 	.set_clockgating_state = psp_set_clockgating_state,
3973 	.set_powergating_state = psp_set_powergating_state,
3974 };
3975 
3976 const struct amdgpu_ip_block_version psp_v3_1_ip_block = {
3977 	.type = AMD_IP_BLOCK_TYPE_PSP,
3978 	.major = 3,
3979 	.minor = 1,
3980 	.rev = 0,
3981 	.funcs = &psp_ip_funcs,
3982 };
3983 
3984 const struct amdgpu_ip_block_version psp_v10_0_ip_block = {
3985 	.type = AMD_IP_BLOCK_TYPE_PSP,
3986 	.major = 10,
3987 	.minor = 0,
3988 	.rev = 0,
3989 	.funcs = &psp_ip_funcs,
3990 };
3991 
3992 const struct amdgpu_ip_block_version psp_v11_0_ip_block = {
3993 	.type = AMD_IP_BLOCK_TYPE_PSP,
3994 	.major = 11,
3995 	.minor = 0,
3996 	.rev = 0,
3997 	.funcs = &psp_ip_funcs,
3998 };
3999 
4000 const struct amdgpu_ip_block_version psp_v11_0_8_ip_block = {
4001 	.type = AMD_IP_BLOCK_TYPE_PSP,
4002 	.major = 11,
4003 	.minor = 0,
4004 	.rev = 8,
4005 	.funcs = &psp_ip_funcs,
4006 };
4007 
4008 const struct amdgpu_ip_block_version psp_v12_0_ip_block = {
4009 	.type = AMD_IP_BLOCK_TYPE_PSP,
4010 	.major = 12,
4011 	.minor = 0,
4012 	.rev = 0,
4013 	.funcs = &psp_ip_funcs,
4014 };
4015 
4016 const struct amdgpu_ip_block_version psp_v13_0_ip_block = {
4017 	.type = AMD_IP_BLOCK_TYPE_PSP,
4018 	.major = 13,
4019 	.minor = 0,
4020 	.rev = 0,
4021 	.funcs = &psp_ip_funcs,
4022 };
4023 
4024 const struct amdgpu_ip_block_version psp_v13_0_4_ip_block = {
4025 	.type = AMD_IP_BLOCK_TYPE_PSP,
4026 	.major = 13,
4027 	.minor = 0,
4028 	.rev = 4,
4029 	.funcs = &psp_ip_funcs,
4030 };
4031 
4032 const struct amdgpu_ip_block_version psp_v14_0_ip_block = {
4033 	.type = AMD_IP_BLOCK_TYPE_PSP,
4034 	.major = 14,
4035 	.minor = 0,
4036 	.rev = 0,
4037 	.funcs = &psp_ip_funcs,
4038 };
4039