xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c (revision b5e161e42e0af7b55d4627aa68922765db2d9367)
1 /*
2  * Copyright 2016 Advanced Micro Devices, Inc.
3  * All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sub license, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
16  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
17  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
18  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
19  * USE OR OTHER DEALINGS IN THE SOFTWARE.
20  *
21  * The above copyright notice and this permission notice (including the
22  * next paragraph) shall be included in all copies or substantial portions
23  * of the Software.
24  *
25  */
26 
27 #include <linux/firmware.h>
28 #include <linux/module.h>
29 #include <linux/dmi.h>
30 #include <linux/pci.h>
31 #include <linux/debugfs.h>
32 #include <drm/drm_drv.h>
33 
34 #include "amdgpu.h"
35 #include "amdgpu_pm.h"
36 #include "amdgpu_vcn.h"
37 #include "soc15d.h"
38 
39 /* Firmware Names */
40 #define FIRMWARE_RAVEN			"amdgpu/raven_vcn.bin"
41 #define FIRMWARE_PICASSO		"amdgpu/picasso_vcn.bin"
42 #define FIRMWARE_RAVEN2			"amdgpu/raven2_vcn.bin"
43 #define FIRMWARE_ARCTURUS		"amdgpu/arcturus_vcn.bin"
44 #define FIRMWARE_RENOIR			"amdgpu/renoir_vcn.bin"
45 #define FIRMWARE_GREEN_SARDINE		"amdgpu/green_sardine_vcn.bin"
46 #define FIRMWARE_NAVI10			"amdgpu/navi10_vcn.bin"
47 #define FIRMWARE_NAVI14			"amdgpu/navi14_vcn.bin"
48 #define FIRMWARE_NAVI12			"amdgpu/navi12_vcn.bin"
49 #define FIRMWARE_SIENNA_CICHLID		"amdgpu/sienna_cichlid_vcn.bin"
50 #define FIRMWARE_NAVY_FLOUNDER		"amdgpu/navy_flounder_vcn.bin"
51 #define FIRMWARE_VANGOGH		"amdgpu/vangogh_vcn.bin"
52 #define FIRMWARE_DIMGREY_CAVEFISH	"amdgpu/dimgrey_cavefish_vcn.bin"
53 #define FIRMWARE_ALDEBARAN		"amdgpu/aldebaran_vcn.bin"
54 #define FIRMWARE_BEIGE_GOBY		"amdgpu/beige_goby_vcn.bin"
55 #define FIRMWARE_YELLOW_CARP		"amdgpu/yellow_carp_vcn.bin"
56 #define FIRMWARE_VCN_3_1_2		"amdgpu/vcn_3_1_2.bin"
57 #define FIRMWARE_VCN4_0_0		"amdgpu/vcn_4_0_0.bin"
58 #define FIRMWARE_VCN4_0_2		"amdgpu/vcn_4_0_2.bin"
59 #define FIRMWARE_VCN4_0_3		"amdgpu/vcn_4_0_3.bin"
60 #define FIRMWARE_VCN4_0_4		"amdgpu/vcn_4_0_4.bin"
61 #define FIRMWARE_VCN4_0_5		"amdgpu/vcn_4_0_5.bin"
62 #define FIRMWARE_VCN5_0_0		"amdgpu/vcn_5_0_0.bin"
63 
64 MODULE_FIRMWARE(FIRMWARE_RAVEN);
65 MODULE_FIRMWARE(FIRMWARE_PICASSO);
66 MODULE_FIRMWARE(FIRMWARE_RAVEN2);
67 MODULE_FIRMWARE(FIRMWARE_ARCTURUS);
68 MODULE_FIRMWARE(FIRMWARE_RENOIR);
69 MODULE_FIRMWARE(FIRMWARE_GREEN_SARDINE);
70 MODULE_FIRMWARE(FIRMWARE_ALDEBARAN);
71 MODULE_FIRMWARE(FIRMWARE_NAVI10);
72 MODULE_FIRMWARE(FIRMWARE_NAVI14);
73 MODULE_FIRMWARE(FIRMWARE_NAVI12);
74 MODULE_FIRMWARE(FIRMWARE_SIENNA_CICHLID);
75 MODULE_FIRMWARE(FIRMWARE_NAVY_FLOUNDER);
76 MODULE_FIRMWARE(FIRMWARE_VANGOGH);
77 MODULE_FIRMWARE(FIRMWARE_DIMGREY_CAVEFISH);
78 MODULE_FIRMWARE(FIRMWARE_BEIGE_GOBY);
79 MODULE_FIRMWARE(FIRMWARE_YELLOW_CARP);
80 MODULE_FIRMWARE(FIRMWARE_VCN_3_1_2);
81 MODULE_FIRMWARE(FIRMWARE_VCN4_0_0);
82 MODULE_FIRMWARE(FIRMWARE_VCN4_0_2);
83 MODULE_FIRMWARE(FIRMWARE_VCN4_0_3);
84 MODULE_FIRMWARE(FIRMWARE_VCN4_0_4);
85 MODULE_FIRMWARE(FIRMWARE_VCN4_0_5);
86 MODULE_FIRMWARE(FIRMWARE_VCN5_0_0);
87 
88 static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
89 
90 int amdgpu_vcn_early_init(struct amdgpu_device *adev)
91 {
92 	char ucode_prefix[30];
93 	char fw_name[40];
94 	int r;
95 
96 	amdgpu_ucode_ip_version_decode(adev, UVD_HWIP, ucode_prefix, sizeof(ucode_prefix));
97 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
98 	r = amdgpu_ucode_request(adev, &adev->vcn.fw, fw_name);
99 	if (r)
100 		amdgpu_ucode_release(&adev->vcn.fw);
101 
102 	return r;
103 }
104 
105 int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
106 {
107 	unsigned long bo_size;
108 	const struct common_firmware_header *hdr;
109 	unsigned char fw_check;
110 	unsigned int fw_shared_size, log_offset;
111 	int i, r;
112 
113 	INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
114 	mutex_init(&adev->vcn.vcn_pg_lock);
115 	mutex_init(&adev->vcn.vcn1_jpeg1_workaround);
116 	atomic_set(&adev->vcn.total_submission_cnt, 0);
117 	for (i = 0; i < adev->vcn.num_vcn_inst; i++)
118 		atomic_set(&adev->vcn.inst[i].dpg_enc_submission_cnt, 0);
119 
120 	if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
121 	    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
122 		adev->vcn.indirect_sram = true;
123 
124 	/*
125 	 * Some Steam Deck's BIOS versions are incompatible with the
126 	 * indirect SRAM mode, leading to amdgpu being unable to get
127 	 * properly probed (and even potentially crashing the kernel).
128 	 * Hence, check for these versions here - notice this is
129 	 * restricted to Vangogh (Deck's APU).
130 	 */
131 	if (amdgpu_ip_version(adev, UVD_HWIP, 0) == IP_VERSION(3, 0, 2)) {
132 		const char *bios_ver = dmi_get_system_info(DMI_BIOS_VERSION);
133 
134 		if (bios_ver && (!strncmp("F7A0113", bios_ver, 7) ||
135 		     !strncmp("F7A0114", bios_ver, 7))) {
136 			adev->vcn.indirect_sram = false;
137 			dev_info(adev->dev,
138 				"Steam Deck quirk: indirect SRAM disabled on BIOS %s\n", bios_ver);
139 		}
140 	}
141 
142 	hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
143 	adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
144 
145 	/* Bit 20-23, it is encode major and non-zero for new naming convention.
146 	 * This field is part of version minor and DRM_DISABLED_FLAG in old naming
147 	 * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
148 	 * is zero in old naming convention, this field is always zero so far.
149 	 * These four bits are used to tell which naming convention is present.
150 	 */
151 	fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
152 	if (fw_check) {
153 		unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
154 
155 		fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
156 		enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
157 		enc_major = fw_check;
158 		dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
159 		vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
160 		DRM_INFO("Found VCN firmware Version ENC: %u.%u DEC: %u VEP: %u Revision: %u\n",
161 			enc_major, enc_minor, dec_ver, vep, fw_rev);
162 	} else {
163 		unsigned int version_major, version_minor, family_id;
164 
165 		family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
166 		version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
167 		version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
168 		DRM_INFO("Found VCN firmware Version: %u.%u Family ID: %u\n",
169 			version_major, version_minor, family_id);
170 	}
171 
172 	bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
173 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
174 		bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
175 
176 	if (amdgpu_ip_version(adev, UVD_HWIP, 0) >= IP_VERSION(4, 0, 0)) {
177 		fw_shared_size = AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared));
178 		log_offset = offsetof(struct amdgpu_vcn4_fw_shared, fw_log);
179 	} else {
180 		fw_shared_size = AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
181 		log_offset = offsetof(struct amdgpu_fw_shared, fw_log);
182 	}
183 
184 	bo_size += fw_shared_size;
185 
186 	if (amdgpu_vcnfw_log)
187 		bo_size += AMDGPU_VCNFW_LOG_SIZE;
188 
189 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
190 		if (adev->vcn.harvest_config & (1 << i))
191 			continue;
192 
193 		r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
194 					    AMDGPU_GEM_DOMAIN_VRAM |
195 					    AMDGPU_GEM_DOMAIN_GTT,
196 					    &adev->vcn.inst[i].vcpu_bo,
197 					    &adev->vcn.inst[i].gpu_addr,
198 					    &adev->vcn.inst[i].cpu_addr);
199 		if (r) {
200 			dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
201 			return r;
202 		}
203 
204 		adev->vcn.inst[i].fw_shared.cpu_addr = adev->vcn.inst[i].cpu_addr +
205 				bo_size - fw_shared_size;
206 		adev->vcn.inst[i].fw_shared.gpu_addr = adev->vcn.inst[i].gpu_addr +
207 				bo_size - fw_shared_size;
208 
209 		adev->vcn.inst[i].fw_shared.mem_size = fw_shared_size;
210 
211 		if (amdgpu_vcnfw_log) {
212 			adev->vcn.inst[i].fw_shared.cpu_addr -= AMDGPU_VCNFW_LOG_SIZE;
213 			adev->vcn.inst[i].fw_shared.gpu_addr -= AMDGPU_VCNFW_LOG_SIZE;
214 			adev->vcn.inst[i].fw_shared.log_offset = log_offset;
215 		}
216 
217 		if (adev->vcn.indirect_sram) {
218 			r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
219 					AMDGPU_GEM_DOMAIN_VRAM |
220 					AMDGPU_GEM_DOMAIN_GTT,
221 					&adev->vcn.inst[i].dpg_sram_bo,
222 					&adev->vcn.inst[i].dpg_sram_gpu_addr,
223 					&adev->vcn.inst[i].dpg_sram_cpu_addr);
224 			if (r) {
225 				dev_err(adev->dev, "VCN %d (%d) failed to allocate DPG bo\n", i, r);
226 				return r;
227 			}
228 		}
229 	}
230 
231 	return 0;
232 }
233 
234 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
235 {
236 	int i, j;
237 
238 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
239 		if (adev->vcn.harvest_config & (1 << j))
240 			continue;
241 
242 		amdgpu_bo_free_kernel(
243 			&adev->vcn.inst[j].dpg_sram_bo,
244 			&adev->vcn.inst[j].dpg_sram_gpu_addr,
245 			(void **)&adev->vcn.inst[j].dpg_sram_cpu_addr);
246 
247 		kvfree(adev->vcn.inst[j].saved_bo);
248 
249 		amdgpu_bo_free_kernel(&adev->vcn.inst[j].vcpu_bo,
250 					  &adev->vcn.inst[j].gpu_addr,
251 					  (void **)&adev->vcn.inst[j].cpu_addr);
252 
253 		amdgpu_ring_fini(&adev->vcn.inst[j].ring_dec);
254 
255 		for (i = 0; i < adev->vcn.num_enc_rings; ++i)
256 			amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
257 	}
258 
259 	amdgpu_ucode_release(&adev->vcn.fw);
260 	mutex_destroy(&adev->vcn.vcn1_jpeg1_workaround);
261 	mutex_destroy(&adev->vcn.vcn_pg_lock);
262 
263 	return 0;
264 }
265 
266 /* from vcn4 and above, only unified queue is used */
267 static bool amdgpu_vcn_using_unified_queue(struct amdgpu_ring *ring)
268 {
269 	struct amdgpu_device *adev = ring->adev;
270 	bool ret = false;
271 
272 	if (amdgpu_ip_version(adev, UVD_HWIP, 0) >= IP_VERSION(4, 0, 0))
273 		ret = true;
274 
275 	return ret;
276 }
277 
278 bool amdgpu_vcn_is_disabled_vcn(struct amdgpu_device *adev, enum vcn_ring_type type, uint32_t vcn_instance)
279 {
280 	bool ret = false;
281 	int vcn_config = adev->vcn.vcn_config[vcn_instance];
282 
283 	if ((type == VCN_ENCODE_RING) && (vcn_config & VCN_BLOCK_ENCODE_DISABLE_MASK))
284 		ret = true;
285 	else if ((type == VCN_DECODE_RING) && (vcn_config & VCN_BLOCK_DECODE_DISABLE_MASK))
286 		ret = true;
287 	else if ((type == VCN_UNIFIED_RING) && (vcn_config & VCN_BLOCK_QUEUE_DISABLE_MASK))
288 		ret = true;
289 
290 	return ret;
291 }
292 
293 int amdgpu_vcn_suspend(struct amdgpu_device *adev)
294 {
295 	unsigned int size;
296 	void *ptr;
297 	int i, idx;
298 
299 	bool in_ras_intr = amdgpu_ras_intr_triggered();
300 
301 	cancel_delayed_work_sync(&adev->vcn.idle_work);
302 
303 	/* err_event_athub will corrupt VCPU buffer, so we need to
304 	 * restore fw data and clear buffer in amdgpu_vcn_resume() */
305 	if (in_ras_intr)
306 		return 0;
307 
308 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
309 		if (adev->vcn.harvest_config & (1 << i))
310 			continue;
311 		if (adev->vcn.inst[i].vcpu_bo == NULL)
312 			return 0;
313 
314 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
315 		ptr = adev->vcn.inst[i].cpu_addr;
316 
317 		adev->vcn.inst[i].saved_bo = kvmalloc(size, GFP_KERNEL);
318 		if (!adev->vcn.inst[i].saved_bo)
319 			return -ENOMEM;
320 
321 		if (drm_dev_enter(adev_to_drm(adev), &idx)) {
322 			memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
323 			drm_dev_exit(idx);
324 		}
325 	}
326 	return 0;
327 }
328 
329 int amdgpu_vcn_resume(struct amdgpu_device *adev)
330 {
331 	unsigned int size;
332 	void *ptr;
333 	int i, idx;
334 
335 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
336 		if (adev->vcn.harvest_config & (1 << i))
337 			continue;
338 		if (adev->vcn.inst[i].vcpu_bo == NULL)
339 			return -EINVAL;
340 
341 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
342 		ptr = adev->vcn.inst[i].cpu_addr;
343 
344 		if (adev->vcn.inst[i].saved_bo != NULL) {
345 			if (drm_dev_enter(adev_to_drm(adev), &idx)) {
346 				memcpy_toio(ptr, adev->vcn.inst[i].saved_bo, size);
347 				drm_dev_exit(idx);
348 			}
349 			kvfree(adev->vcn.inst[i].saved_bo);
350 			adev->vcn.inst[i].saved_bo = NULL;
351 		} else {
352 			const struct common_firmware_header *hdr;
353 			unsigned int offset;
354 
355 			hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
356 			if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
357 				offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
358 				if (drm_dev_enter(adev_to_drm(adev), &idx)) {
359 					memcpy_toio(adev->vcn.inst[i].cpu_addr, adev->vcn.fw->data + offset,
360 						    le32_to_cpu(hdr->ucode_size_bytes));
361 					drm_dev_exit(idx);
362 				}
363 				size -= le32_to_cpu(hdr->ucode_size_bytes);
364 				ptr += le32_to_cpu(hdr->ucode_size_bytes);
365 			}
366 			memset_io(ptr, 0, size);
367 		}
368 	}
369 	return 0;
370 }
371 
372 static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
373 {
374 	struct amdgpu_device *adev =
375 		container_of(work, struct amdgpu_device, vcn.idle_work.work);
376 	unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
377 	unsigned int i, j;
378 	int r = 0;
379 
380 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
381 		if (adev->vcn.harvest_config & (1 << j))
382 			continue;
383 
384 		for (i = 0; i < adev->vcn.num_enc_rings; ++i)
385 			fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
386 
387 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
388 			struct dpg_pause_state new_state;
389 
390 			if (fence[j] ||
391 				unlikely(atomic_read(&adev->vcn.inst[j].dpg_enc_submission_cnt)))
392 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
393 			else
394 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
395 
396 			adev->vcn.pause_dpg_mode(adev, j, &new_state);
397 		}
398 
399 		fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
400 		fences += fence[j];
401 	}
402 
403 	if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
404 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
405 		       AMD_PG_STATE_GATE);
406 		r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
407 				false);
408 		if (r)
409 			dev_warn(adev->dev, "(%d) failed to disable video power profile mode\n", r);
410 	} else {
411 		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
412 	}
413 }
414 
415 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
416 {
417 	struct amdgpu_device *adev = ring->adev;
418 	int r = 0;
419 
420 	atomic_inc(&adev->vcn.total_submission_cnt);
421 
422 	if (!cancel_delayed_work_sync(&adev->vcn.idle_work)) {
423 		r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
424 				true);
425 		if (r)
426 			dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r);
427 	}
428 
429 	mutex_lock(&adev->vcn.vcn_pg_lock);
430 	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
431 	       AMD_PG_STATE_UNGATE);
432 
433 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
434 		struct dpg_pause_state new_state;
435 
436 		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
437 			atomic_inc(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
438 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
439 		} else {
440 			unsigned int fences = 0;
441 			unsigned int i;
442 
443 			for (i = 0; i < adev->vcn.num_enc_rings; ++i)
444 				fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
445 
446 			if (fences || atomic_read(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt))
447 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
448 			else
449 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
450 		}
451 
452 		adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
453 	}
454 	mutex_unlock(&adev->vcn.vcn_pg_lock);
455 }
456 
457 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
458 {
459 	if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
460 		ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
461 		atomic_dec(&ring->adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
462 
463 	atomic_dec(&ring->adev->vcn.total_submission_cnt);
464 
465 	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
466 }
467 
468 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
469 {
470 	struct amdgpu_device *adev = ring->adev;
471 	uint32_t tmp = 0;
472 	unsigned int i;
473 	int r;
474 
475 	/* VCN in SRIOV does not support direct register read/write */
476 	if (amdgpu_sriov_vf(adev))
477 		return 0;
478 
479 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
480 	r = amdgpu_ring_alloc(ring, 3);
481 	if (r)
482 		return r;
483 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
484 	amdgpu_ring_write(ring, 0xDEADBEEF);
485 	amdgpu_ring_commit(ring);
486 	for (i = 0; i < adev->usec_timeout; i++) {
487 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
488 		if (tmp == 0xDEADBEEF)
489 			break;
490 		udelay(1);
491 	}
492 
493 	if (i >= adev->usec_timeout)
494 		r = -ETIMEDOUT;
495 
496 	return r;
497 }
498 
499 int amdgpu_vcn_dec_sw_ring_test_ring(struct amdgpu_ring *ring)
500 {
501 	struct amdgpu_device *adev = ring->adev;
502 	uint32_t rptr;
503 	unsigned int i;
504 	int r;
505 
506 	if (amdgpu_sriov_vf(adev))
507 		return 0;
508 
509 	r = amdgpu_ring_alloc(ring, 16);
510 	if (r)
511 		return r;
512 
513 	rptr = amdgpu_ring_get_rptr(ring);
514 
515 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
516 	amdgpu_ring_commit(ring);
517 
518 	for (i = 0; i < adev->usec_timeout; i++) {
519 		if (amdgpu_ring_get_rptr(ring) != rptr)
520 			break;
521 		udelay(1);
522 	}
523 
524 	if (i >= adev->usec_timeout)
525 		r = -ETIMEDOUT;
526 
527 	return r;
528 }
529 
530 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
531 				   struct amdgpu_ib *ib_msg,
532 				   struct dma_fence **fence)
533 {
534 	u64 addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr);
535 	struct amdgpu_device *adev = ring->adev;
536 	struct dma_fence *f = NULL;
537 	struct amdgpu_job *job;
538 	struct amdgpu_ib *ib;
539 	int i, r;
540 
541 	r = amdgpu_job_alloc_with_ib(ring->adev, NULL, NULL,
542 				     64, AMDGPU_IB_POOL_DIRECT,
543 				     &job);
544 	if (r)
545 		goto err;
546 
547 	ib = &job->ibs[0];
548 	ib->ptr[0] = PACKET0(adev->vcn.internal.data0, 0);
549 	ib->ptr[1] = addr;
550 	ib->ptr[2] = PACKET0(adev->vcn.internal.data1, 0);
551 	ib->ptr[3] = addr >> 32;
552 	ib->ptr[4] = PACKET0(adev->vcn.internal.cmd, 0);
553 	ib->ptr[5] = 0;
554 	for (i = 6; i < 16; i += 2) {
555 		ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
556 		ib->ptr[i+1] = 0;
557 	}
558 	ib->length_dw = 16;
559 
560 	r = amdgpu_job_submit_direct(job, ring, &f);
561 	if (r)
562 		goto err_free;
563 
564 	amdgpu_ib_free(adev, ib_msg, f);
565 
566 	if (fence)
567 		*fence = dma_fence_get(f);
568 	dma_fence_put(f);
569 
570 	return 0;
571 
572 err_free:
573 	amdgpu_job_free(job);
574 err:
575 	amdgpu_ib_free(adev, ib_msg, f);
576 	return r;
577 }
578 
579 static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
580 		struct amdgpu_ib *ib)
581 {
582 	struct amdgpu_device *adev = ring->adev;
583 	uint32_t *msg;
584 	int r, i;
585 
586 	memset(ib, 0, sizeof(*ib));
587 	r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2,
588 			AMDGPU_IB_POOL_DIRECT,
589 			ib);
590 	if (r)
591 		return r;
592 
593 	msg = (uint32_t *)AMDGPU_GPU_PAGE_ALIGN((unsigned long)ib->ptr);
594 	msg[0] = cpu_to_le32(0x00000028);
595 	msg[1] = cpu_to_le32(0x00000038);
596 	msg[2] = cpu_to_le32(0x00000001);
597 	msg[3] = cpu_to_le32(0x00000000);
598 	msg[4] = cpu_to_le32(handle);
599 	msg[5] = cpu_to_le32(0x00000000);
600 	msg[6] = cpu_to_le32(0x00000001);
601 	msg[7] = cpu_to_le32(0x00000028);
602 	msg[8] = cpu_to_le32(0x00000010);
603 	msg[9] = cpu_to_le32(0x00000000);
604 	msg[10] = cpu_to_le32(0x00000007);
605 	msg[11] = cpu_to_le32(0x00000000);
606 	msg[12] = cpu_to_le32(0x00000780);
607 	msg[13] = cpu_to_le32(0x00000440);
608 	for (i = 14; i < 1024; ++i)
609 		msg[i] = cpu_to_le32(0x0);
610 
611 	return 0;
612 }
613 
614 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
615 					  struct amdgpu_ib *ib)
616 {
617 	struct amdgpu_device *adev = ring->adev;
618 	uint32_t *msg;
619 	int r, i;
620 
621 	memset(ib, 0, sizeof(*ib));
622 	r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2,
623 			AMDGPU_IB_POOL_DIRECT,
624 			ib);
625 	if (r)
626 		return r;
627 
628 	msg = (uint32_t *)AMDGPU_GPU_PAGE_ALIGN((unsigned long)ib->ptr);
629 	msg[0] = cpu_to_le32(0x00000028);
630 	msg[1] = cpu_to_le32(0x00000018);
631 	msg[2] = cpu_to_le32(0x00000000);
632 	msg[3] = cpu_to_le32(0x00000002);
633 	msg[4] = cpu_to_le32(handle);
634 	msg[5] = cpu_to_le32(0x00000000);
635 	for (i = 6; i < 1024; ++i)
636 		msg[i] = cpu_to_le32(0x0);
637 
638 	return 0;
639 }
640 
641 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
642 {
643 	struct dma_fence *fence = NULL;
644 	struct amdgpu_ib ib;
645 	long r;
646 
647 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, &ib);
648 	if (r)
649 		goto error;
650 
651 	r = amdgpu_vcn_dec_send_msg(ring, &ib, NULL);
652 	if (r)
653 		goto error;
654 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &ib);
655 	if (r)
656 		goto error;
657 
658 	r = amdgpu_vcn_dec_send_msg(ring, &ib, &fence);
659 	if (r)
660 		goto error;
661 
662 	r = dma_fence_wait_timeout(fence, false, timeout);
663 	if (r == 0)
664 		r = -ETIMEDOUT;
665 	else if (r > 0)
666 		r = 0;
667 
668 	dma_fence_put(fence);
669 error:
670 	return r;
671 }
672 
673 static uint32_t *amdgpu_vcn_unified_ring_ib_header(struct amdgpu_ib *ib,
674 						uint32_t ib_pack_in_dw, bool enc)
675 {
676 	uint32_t *ib_checksum;
677 
678 	ib->ptr[ib->length_dw++] = 0x00000010; /* single queue checksum */
679 	ib->ptr[ib->length_dw++] = 0x30000002;
680 	ib_checksum = &ib->ptr[ib->length_dw++];
681 	ib->ptr[ib->length_dw++] = ib_pack_in_dw;
682 
683 	ib->ptr[ib->length_dw++] = 0x00000010; /* engine info */
684 	ib->ptr[ib->length_dw++] = 0x30000001;
685 	ib->ptr[ib->length_dw++] = enc ? 0x2 : 0x3;
686 	ib->ptr[ib->length_dw++] = ib_pack_in_dw * sizeof(uint32_t);
687 
688 	return ib_checksum;
689 }
690 
691 static void amdgpu_vcn_unified_ring_ib_checksum(uint32_t **ib_checksum,
692 						uint32_t ib_pack_in_dw)
693 {
694 	uint32_t i;
695 	uint32_t checksum = 0;
696 
697 	for (i = 0; i < ib_pack_in_dw; i++)
698 		checksum += *(*ib_checksum + 2 + i);
699 
700 	**ib_checksum = checksum;
701 }
702 
703 static int amdgpu_vcn_dec_sw_send_msg(struct amdgpu_ring *ring,
704 				      struct amdgpu_ib *ib_msg,
705 				      struct dma_fence **fence)
706 {
707 	struct amdgpu_vcn_decode_buffer *decode_buffer = NULL;
708 	unsigned int ib_size_dw = 64;
709 	struct amdgpu_device *adev = ring->adev;
710 	struct dma_fence *f = NULL;
711 	struct amdgpu_job *job;
712 	struct amdgpu_ib *ib;
713 	uint64_t addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr);
714 	bool sq = amdgpu_vcn_using_unified_queue(ring);
715 	uint32_t *ib_checksum;
716 	uint32_t ib_pack_in_dw;
717 	int i, r;
718 
719 	if (sq)
720 		ib_size_dw += 8;
721 
722 	r = amdgpu_job_alloc_with_ib(ring->adev, NULL, NULL,
723 				     ib_size_dw * 4, AMDGPU_IB_POOL_DIRECT,
724 				     &job);
725 	if (r)
726 		goto err;
727 
728 	ib = &job->ibs[0];
729 	ib->length_dw = 0;
730 
731 	/* single queue headers */
732 	if (sq) {
733 		ib_pack_in_dw = sizeof(struct amdgpu_vcn_decode_buffer) / sizeof(uint32_t)
734 						+ 4 + 2; /* engine info + decoding ib in dw */
735 		ib_checksum = amdgpu_vcn_unified_ring_ib_header(ib, ib_pack_in_dw, false);
736 	}
737 
738 	ib->ptr[ib->length_dw++] = sizeof(struct amdgpu_vcn_decode_buffer) + 8;
739 	ib->ptr[ib->length_dw++] = cpu_to_le32(AMDGPU_VCN_IB_FLAG_DECODE_BUFFER);
740 	decode_buffer = (struct amdgpu_vcn_decode_buffer *)&(ib->ptr[ib->length_dw]);
741 	ib->length_dw += sizeof(struct amdgpu_vcn_decode_buffer) / 4;
742 	memset(decode_buffer, 0, sizeof(struct amdgpu_vcn_decode_buffer));
743 
744 	decode_buffer->valid_buf_flag |= cpu_to_le32(AMDGPU_VCN_CMD_FLAG_MSG_BUFFER);
745 	decode_buffer->msg_buffer_address_hi = cpu_to_le32(addr >> 32);
746 	decode_buffer->msg_buffer_address_lo = cpu_to_le32(addr);
747 
748 	for (i = ib->length_dw; i < ib_size_dw; ++i)
749 		ib->ptr[i] = 0x0;
750 
751 	if (sq)
752 		amdgpu_vcn_unified_ring_ib_checksum(&ib_checksum, ib_pack_in_dw);
753 
754 	r = amdgpu_job_submit_direct(job, ring, &f);
755 	if (r)
756 		goto err_free;
757 
758 	amdgpu_ib_free(adev, ib_msg, f);
759 
760 	if (fence)
761 		*fence = dma_fence_get(f);
762 	dma_fence_put(f);
763 
764 	return 0;
765 
766 err_free:
767 	amdgpu_job_free(job);
768 err:
769 	amdgpu_ib_free(adev, ib_msg, f);
770 	return r;
771 }
772 
773 int amdgpu_vcn_dec_sw_ring_test_ib(struct amdgpu_ring *ring, long timeout)
774 {
775 	struct dma_fence *fence = NULL;
776 	struct amdgpu_ib ib;
777 	long r;
778 
779 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, &ib);
780 	if (r)
781 		goto error;
782 
783 	r = amdgpu_vcn_dec_sw_send_msg(ring, &ib, NULL);
784 	if (r)
785 		goto error;
786 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &ib);
787 	if (r)
788 		goto error;
789 
790 	r = amdgpu_vcn_dec_sw_send_msg(ring, &ib, &fence);
791 	if (r)
792 		goto error;
793 
794 	r = dma_fence_wait_timeout(fence, false, timeout);
795 	if (r == 0)
796 		r = -ETIMEDOUT;
797 	else if (r > 0)
798 		r = 0;
799 
800 	dma_fence_put(fence);
801 error:
802 	return r;
803 }
804 
805 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
806 {
807 	struct amdgpu_device *adev = ring->adev;
808 	uint32_t rptr;
809 	unsigned int i;
810 	int r;
811 
812 	if (amdgpu_sriov_vf(adev))
813 		return 0;
814 
815 	r = amdgpu_ring_alloc(ring, 16);
816 	if (r)
817 		return r;
818 
819 	rptr = amdgpu_ring_get_rptr(ring);
820 
821 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
822 	amdgpu_ring_commit(ring);
823 
824 	for (i = 0; i < adev->usec_timeout; i++) {
825 		if (amdgpu_ring_get_rptr(ring) != rptr)
826 			break;
827 		udelay(1);
828 	}
829 
830 	if (i >= adev->usec_timeout)
831 		r = -ETIMEDOUT;
832 
833 	return r;
834 }
835 
836 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
837 					 struct amdgpu_ib *ib_msg,
838 					 struct dma_fence **fence)
839 {
840 	unsigned int ib_size_dw = 16;
841 	struct amdgpu_job *job;
842 	struct amdgpu_ib *ib;
843 	struct dma_fence *f = NULL;
844 	uint32_t *ib_checksum = NULL;
845 	uint64_t addr;
846 	bool sq = amdgpu_vcn_using_unified_queue(ring);
847 	int i, r;
848 
849 	if (sq)
850 		ib_size_dw += 8;
851 
852 	r = amdgpu_job_alloc_with_ib(ring->adev, NULL, NULL,
853 				     ib_size_dw * 4, AMDGPU_IB_POOL_DIRECT,
854 				     &job);
855 	if (r)
856 		return r;
857 
858 	ib = &job->ibs[0];
859 	addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr);
860 
861 	ib->length_dw = 0;
862 
863 	if (sq)
864 		ib_checksum = amdgpu_vcn_unified_ring_ib_header(ib, 0x11, true);
865 
866 	ib->ptr[ib->length_dw++] = 0x00000018;
867 	ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
868 	ib->ptr[ib->length_dw++] = handle;
869 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
870 	ib->ptr[ib->length_dw++] = addr;
871 	ib->ptr[ib->length_dw++] = 0x0000000b;
872 
873 	ib->ptr[ib->length_dw++] = 0x00000014;
874 	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
875 	ib->ptr[ib->length_dw++] = 0x0000001c;
876 	ib->ptr[ib->length_dw++] = 0x00000000;
877 	ib->ptr[ib->length_dw++] = 0x00000000;
878 
879 	ib->ptr[ib->length_dw++] = 0x00000008;
880 	ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
881 
882 	for (i = ib->length_dw; i < ib_size_dw; ++i)
883 		ib->ptr[i] = 0x0;
884 
885 	if (sq)
886 		amdgpu_vcn_unified_ring_ib_checksum(&ib_checksum, 0x11);
887 
888 	r = amdgpu_job_submit_direct(job, ring, &f);
889 	if (r)
890 		goto err;
891 
892 	if (fence)
893 		*fence = dma_fence_get(f);
894 	dma_fence_put(f);
895 
896 	return 0;
897 
898 err:
899 	amdgpu_job_free(job);
900 	return r;
901 }
902 
903 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
904 					  struct amdgpu_ib *ib_msg,
905 					  struct dma_fence **fence)
906 {
907 	unsigned int ib_size_dw = 16;
908 	struct amdgpu_job *job;
909 	struct amdgpu_ib *ib;
910 	struct dma_fence *f = NULL;
911 	uint32_t *ib_checksum = NULL;
912 	uint64_t addr;
913 	bool sq = amdgpu_vcn_using_unified_queue(ring);
914 	int i, r;
915 
916 	if (sq)
917 		ib_size_dw += 8;
918 
919 	r = amdgpu_job_alloc_with_ib(ring->adev, NULL, NULL,
920 				     ib_size_dw * 4, AMDGPU_IB_POOL_DIRECT,
921 				     &job);
922 	if (r)
923 		return r;
924 
925 	ib = &job->ibs[0];
926 	addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr);
927 
928 	ib->length_dw = 0;
929 
930 	if (sq)
931 		ib_checksum = amdgpu_vcn_unified_ring_ib_header(ib, 0x11, true);
932 
933 	ib->ptr[ib->length_dw++] = 0x00000018;
934 	ib->ptr[ib->length_dw++] = 0x00000001;
935 	ib->ptr[ib->length_dw++] = handle;
936 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
937 	ib->ptr[ib->length_dw++] = addr;
938 	ib->ptr[ib->length_dw++] = 0x0000000b;
939 
940 	ib->ptr[ib->length_dw++] = 0x00000014;
941 	ib->ptr[ib->length_dw++] = 0x00000002;
942 	ib->ptr[ib->length_dw++] = 0x0000001c;
943 	ib->ptr[ib->length_dw++] = 0x00000000;
944 	ib->ptr[ib->length_dw++] = 0x00000000;
945 
946 	ib->ptr[ib->length_dw++] = 0x00000008;
947 	ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
948 
949 	for (i = ib->length_dw; i < ib_size_dw; ++i)
950 		ib->ptr[i] = 0x0;
951 
952 	if (sq)
953 		amdgpu_vcn_unified_ring_ib_checksum(&ib_checksum, 0x11);
954 
955 	r = amdgpu_job_submit_direct(job, ring, &f);
956 	if (r)
957 		goto err;
958 
959 	if (fence)
960 		*fence = dma_fence_get(f);
961 	dma_fence_put(f);
962 
963 	return 0;
964 
965 err:
966 	amdgpu_job_free(job);
967 	return r;
968 }
969 
970 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
971 {
972 	struct amdgpu_device *adev = ring->adev;
973 	struct dma_fence *fence = NULL;
974 	struct amdgpu_ib ib;
975 	long r;
976 
977 	memset(&ib, 0, sizeof(ib));
978 	r = amdgpu_ib_get(adev, NULL, (128 << 10) + AMDGPU_GPU_PAGE_SIZE,
979 			AMDGPU_IB_POOL_DIRECT,
980 			&ib);
981 	if (r)
982 		return r;
983 
984 	r = amdgpu_vcn_enc_get_create_msg(ring, 1, &ib, NULL);
985 	if (r)
986 		goto error;
987 
988 	r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, &ib, &fence);
989 	if (r)
990 		goto error;
991 
992 	r = dma_fence_wait_timeout(fence, false, timeout);
993 	if (r == 0)
994 		r = -ETIMEDOUT;
995 	else if (r > 0)
996 		r = 0;
997 
998 error:
999 	amdgpu_ib_free(adev, &ib, fence);
1000 	dma_fence_put(fence);
1001 
1002 	return r;
1003 }
1004 
1005 int amdgpu_vcn_unified_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1006 {
1007 	struct amdgpu_device *adev = ring->adev;
1008 	long r;
1009 
1010 	if (amdgpu_ip_version(adev, UVD_HWIP, 0) != IP_VERSION(4, 0, 3)) {
1011 		r = amdgpu_vcn_enc_ring_test_ib(ring, timeout);
1012 		if (r)
1013 			goto error;
1014 	}
1015 
1016 	r =  amdgpu_vcn_dec_sw_ring_test_ib(ring, timeout);
1017 
1018 error:
1019 	return r;
1020 }
1021 
1022 enum amdgpu_ring_priority_level amdgpu_vcn_get_enc_ring_prio(int ring)
1023 {
1024 	switch (ring) {
1025 	case 0:
1026 		return AMDGPU_RING_PRIO_0;
1027 	case 1:
1028 		return AMDGPU_RING_PRIO_1;
1029 	case 2:
1030 		return AMDGPU_RING_PRIO_2;
1031 	default:
1032 		return AMDGPU_RING_PRIO_0;
1033 	}
1034 }
1035 
1036 void amdgpu_vcn_setup_ucode(struct amdgpu_device *adev)
1037 {
1038 	int i;
1039 	unsigned int idx;
1040 
1041 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1042 		const struct common_firmware_header *hdr;
1043 
1044 		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
1045 
1046 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1047 			if (adev->vcn.harvest_config & (1 << i))
1048 				continue;
1049 			/* currently only support 2 FW instances */
1050 			if (i >= 2) {
1051 				dev_info(adev->dev, "More then 2 VCN FW instances!\n");
1052 				break;
1053 			}
1054 			idx = AMDGPU_UCODE_ID_VCN + i;
1055 			adev->firmware.ucode[idx].ucode_id = idx;
1056 			adev->firmware.ucode[idx].fw = adev->vcn.fw;
1057 			adev->firmware.fw_size +=
1058 				ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
1059 
1060 			if (amdgpu_ip_version(adev, UVD_HWIP, 0) ==
1061 			    IP_VERSION(4, 0, 3))
1062 				break;
1063 		}
1064 		dev_info(adev->dev, "Will use PSP to load VCN firmware\n");
1065 	}
1066 }
1067 
1068 /*
1069  * debugfs for mapping vcn firmware log buffer.
1070  */
1071 #if defined(CONFIG_DEBUG_FS)
1072 static ssize_t amdgpu_debugfs_vcn_fwlog_read(struct file *f, char __user *buf,
1073 					     size_t size, loff_t *pos)
1074 {
1075 	struct amdgpu_vcn_inst *vcn;
1076 	void *log_buf;
1077 	volatile struct amdgpu_vcn_fwlog *plog;
1078 	unsigned int read_pos, write_pos, available, i, read_bytes = 0;
1079 	unsigned int read_num[2] = {0};
1080 
1081 	vcn = file_inode(f)->i_private;
1082 	if (!vcn)
1083 		return -ENODEV;
1084 
1085 	if (!vcn->fw_shared.cpu_addr || !amdgpu_vcnfw_log)
1086 		return -EFAULT;
1087 
1088 	log_buf = vcn->fw_shared.cpu_addr + vcn->fw_shared.mem_size;
1089 
1090 	plog = (volatile struct amdgpu_vcn_fwlog *)log_buf;
1091 	read_pos = plog->rptr;
1092 	write_pos = plog->wptr;
1093 
1094 	if (read_pos > AMDGPU_VCNFW_LOG_SIZE || write_pos > AMDGPU_VCNFW_LOG_SIZE)
1095 		return -EFAULT;
1096 
1097 	if (!size || (read_pos == write_pos))
1098 		return 0;
1099 
1100 	if (write_pos > read_pos) {
1101 		available = write_pos - read_pos;
1102 		read_num[0] = min_t(size_t, size, available);
1103 	} else {
1104 		read_num[0] = AMDGPU_VCNFW_LOG_SIZE - read_pos;
1105 		available = read_num[0] + write_pos - plog->header_size;
1106 		if (size > available)
1107 			read_num[1] = write_pos - plog->header_size;
1108 		else if (size > read_num[0])
1109 			read_num[1] = size - read_num[0];
1110 		else
1111 			read_num[0] = size;
1112 	}
1113 
1114 	for (i = 0; i < 2; i++) {
1115 		if (read_num[i]) {
1116 			if (read_pos == AMDGPU_VCNFW_LOG_SIZE)
1117 				read_pos = plog->header_size;
1118 			if (read_num[i] == copy_to_user((buf + read_bytes),
1119 							(log_buf + read_pos), read_num[i]))
1120 				return -EFAULT;
1121 
1122 			read_bytes += read_num[i];
1123 			read_pos += read_num[i];
1124 		}
1125 	}
1126 
1127 	plog->rptr = read_pos;
1128 	*pos += read_bytes;
1129 	return read_bytes;
1130 }
1131 
1132 static const struct file_operations amdgpu_debugfs_vcnfwlog_fops = {
1133 	.owner = THIS_MODULE,
1134 	.read = amdgpu_debugfs_vcn_fwlog_read,
1135 	.llseek = default_llseek
1136 };
1137 #endif
1138 
1139 void amdgpu_debugfs_vcn_fwlog_init(struct amdgpu_device *adev, uint8_t i,
1140 				   struct amdgpu_vcn_inst *vcn)
1141 {
1142 #if defined(CONFIG_DEBUG_FS)
1143 	struct drm_minor *minor = adev_to_drm(adev)->primary;
1144 	struct dentry *root = minor->debugfs_root;
1145 	char name[32];
1146 
1147 	sprintf(name, "amdgpu_vcn_%d_fwlog", i);
1148 	debugfs_create_file_size(name, S_IFREG | 0444, root, vcn,
1149 				 &amdgpu_debugfs_vcnfwlog_fops,
1150 				 AMDGPU_VCNFW_LOG_SIZE);
1151 #endif
1152 }
1153 
1154 void amdgpu_vcn_fwlog_init(struct amdgpu_vcn_inst *vcn)
1155 {
1156 #if defined(CONFIG_DEBUG_FS)
1157 	volatile uint32_t *flag = vcn->fw_shared.cpu_addr;
1158 	void *fw_log_cpu_addr = vcn->fw_shared.cpu_addr + vcn->fw_shared.mem_size;
1159 	uint64_t fw_log_gpu_addr = vcn->fw_shared.gpu_addr + vcn->fw_shared.mem_size;
1160 	volatile struct amdgpu_vcn_fwlog *log_buf = fw_log_cpu_addr;
1161 	volatile struct amdgpu_fw_shared_fw_logging *fw_log = vcn->fw_shared.cpu_addr
1162 							 + vcn->fw_shared.log_offset;
1163 	*flag |= cpu_to_le32(AMDGPU_VCN_FW_LOGGING_FLAG);
1164 	fw_log->is_enabled = 1;
1165 	fw_log->addr_lo = cpu_to_le32(fw_log_gpu_addr & 0xFFFFFFFF);
1166 	fw_log->addr_hi = cpu_to_le32(fw_log_gpu_addr >> 32);
1167 	fw_log->size = cpu_to_le32(AMDGPU_VCNFW_LOG_SIZE);
1168 
1169 	log_buf->header_size = sizeof(struct amdgpu_vcn_fwlog);
1170 	log_buf->buffer_size = AMDGPU_VCNFW_LOG_SIZE;
1171 	log_buf->rptr = log_buf->header_size;
1172 	log_buf->wptr = log_buf->header_size;
1173 	log_buf->wrapped = 0;
1174 #endif
1175 }
1176 
1177 int amdgpu_vcn_process_poison_irq(struct amdgpu_device *adev,
1178 				struct amdgpu_irq_src *source,
1179 				struct amdgpu_iv_entry *entry)
1180 {
1181 	struct ras_common_if *ras_if = adev->vcn.ras_if;
1182 	struct ras_dispatch_if ih_data = {
1183 		.entry = entry,
1184 	};
1185 
1186 	if (!ras_if)
1187 		return 0;
1188 
1189 	if (!amdgpu_sriov_vf(adev)) {
1190 		ih_data.head = *ras_if;
1191 		amdgpu_ras_interrupt_dispatch(adev, &ih_data);
1192 	} else {
1193 		if (adev->virt.ops && adev->virt.ops->ras_poison_handler)
1194 			adev->virt.ops->ras_poison_handler(adev, ras_if->block);
1195 		else
1196 			dev_warn(adev->dev,
1197 				"No ras_poison_handler interface in SRIOV for VCN!\n");
1198 	}
1199 
1200 	return 0;
1201 }
1202 
1203 int amdgpu_vcn_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
1204 {
1205 	int r, i;
1206 
1207 	r = amdgpu_ras_block_late_init(adev, ras_block);
1208 	if (r)
1209 		return r;
1210 
1211 	if (amdgpu_ras_is_supported(adev, ras_block->block)) {
1212 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1213 			if (adev->vcn.harvest_config & (1 << i) ||
1214 			    !adev->vcn.inst[i].ras_poison_irq.funcs)
1215 				continue;
1216 
1217 			r = amdgpu_irq_get(adev, &adev->vcn.inst[i].ras_poison_irq, 0);
1218 			if (r)
1219 				goto late_fini;
1220 		}
1221 	}
1222 	return 0;
1223 
1224 late_fini:
1225 	amdgpu_ras_block_late_fini(adev, ras_block);
1226 	return r;
1227 }
1228 
1229 int amdgpu_vcn_ras_sw_init(struct amdgpu_device *adev)
1230 {
1231 	int err;
1232 	struct amdgpu_vcn_ras *ras;
1233 
1234 	if (!adev->vcn.ras)
1235 		return 0;
1236 
1237 	ras = adev->vcn.ras;
1238 	err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
1239 	if (err) {
1240 		dev_err(adev->dev, "Failed to register vcn ras block!\n");
1241 		return err;
1242 	}
1243 
1244 	strcpy(ras->ras_block.ras_comm.name, "vcn");
1245 	ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__VCN;
1246 	ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__POISON;
1247 	adev->vcn.ras_if = &ras->ras_block.ras_comm;
1248 
1249 	if (!ras->ras_block.ras_late_init)
1250 		ras->ras_block.ras_late_init = amdgpu_vcn_ras_late_init;
1251 
1252 	return 0;
1253 }
1254 
1255 int amdgpu_vcn_psp_update_sram(struct amdgpu_device *adev, int inst_idx,
1256 			       enum AMDGPU_UCODE_ID ucode_id)
1257 {
1258 	struct amdgpu_firmware_info ucode = {
1259 		.ucode_id = (ucode_id ? ucode_id :
1260 			    (inst_idx ? AMDGPU_UCODE_ID_VCN1_RAM :
1261 					AMDGPU_UCODE_ID_VCN0_RAM)),
1262 		.mc_addr = adev->vcn.inst[inst_idx].dpg_sram_gpu_addr,
1263 		.ucode_size = ((uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_curr_addr -
1264 			      (uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr),
1265 	};
1266 
1267 	return psp_execute_ip_fw_load(&adev->psp, &ucode);
1268 }
1269