xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c (revision 94cad89ae4505672ae65457d12f77c44ca87655b)
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/pci.h>
30 
31 #include "amdgpu.h"
32 #include "amdgpu_pm.h"
33 #include "amdgpu_vcn.h"
34 #include "soc15d.h"
35 
36 /* Firmware Names */
37 #define FIRMWARE_RAVEN		"amdgpu/raven_vcn.bin"
38 #define FIRMWARE_PICASSO	"amdgpu/picasso_vcn.bin"
39 #define FIRMWARE_RAVEN2		"amdgpu/raven2_vcn.bin"
40 #define FIRMWARE_ARCTURUS 	"amdgpu/arcturus_vcn.bin"
41 #define FIRMWARE_RENOIR 	"amdgpu/renoir_vcn.bin"
42 #define FIRMWARE_NAVI10 	"amdgpu/navi10_vcn.bin"
43 #define FIRMWARE_NAVI14 	"amdgpu/navi14_vcn.bin"
44 #define FIRMWARE_NAVI12 	"amdgpu/navi12_vcn.bin"
45 #define FIRMWARE_SIENNA_CICHLID 	"amdgpu/sienna_cichlid_vcn.bin"
46 #define FIRMWARE_NAVY_FLOUNDER 	"amdgpu/navy_flounder_vcn.bin"
47 
48 MODULE_FIRMWARE(FIRMWARE_RAVEN);
49 MODULE_FIRMWARE(FIRMWARE_PICASSO);
50 MODULE_FIRMWARE(FIRMWARE_RAVEN2);
51 MODULE_FIRMWARE(FIRMWARE_ARCTURUS);
52 MODULE_FIRMWARE(FIRMWARE_RENOIR);
53 MODULE_FIRMWARE(FIRMWARE_NAVI10);
54 MODULE_FIRMWARE(FIRMWARE_NAVI14);
55 MODULE_FIRMWARE(FIRMWARE_NAVI12);
56 MODULE_FIRMWARE(FIRMWARE_SIENNA_CICHLID);
57 MODULE_FIRMWARE(FIRMWARE_NAVY_FLOUNDER);
58 
59 static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
60 
61 int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
62 {
63 	unsigned long bo_size, fw_shared_bo_size;
64 	const char *fw_name;
65 	const struct common_firmware_header *hdr;
66 	unsigned char fw_check;
67 	int i, r;
68 
69 	INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
70 	mutex_init(&adev->vcn.vcn_pg_lock);
71 	atomic_set(&adev->vcn.total_submission_cnt, 0);
72 	for (i = 0; i < adev->vcn.num_vcn_inst; i++)
73 		atomic_set(&adev->vcn.inst[i].dpg_enc_submission_cnt, 0);
74 
75 	switch (adev->asic_type) {
76 	case CHIP_RAVEN:
77 		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
78 			fw_name = FIRMWARE_RAVEN2;
79 		else if (adev->apu_flags & AMD_APU_IS_PICASSO)
80 			fw_name = FIRMWARE_PICASSO;
81 		else
82 			fw_name = FIRMWARE_RAVEN;
83 		break;
84 	case CHIP_ARCTURUS:
85 		fw_name = FIRMWARE_ARCTURUS;
86 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
87 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
88 			adev->vcn.indirect_sram = true;
89 		break;
90 	case CHIP_RENOIR:
91 		fw_name = FIRMWARE_RENOIR;
92 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
93 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
94 			adev->vcn.indirect_sram = true;
95 		break;
96 	case CHIP_NAVI10:
97 		fw_name = FIRMWARE_NAVI10;
98 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
99 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
100 			adev->vcn.indirect_sram = true;
101 		break;
102 	case CHIP_NAVI14:
103 		fw_name = FIRMWARE_NAVI14;
104 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
105 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
106 			adev->vcn.indirect_sram = true;
107 		break;
108 	case CHIP_NAVI12:
109 		fw_name = FIRMWARE_NAVI12;
110 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
111 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
112 			adev->vcn.indirect_sram = true;
113 		break;
114 	case CHIP_SIENNA_CICHLID:
115 		fw_name = FIRMWARE_SIENNA_CICHLID;
116 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
117 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
118 			adev->vcn.indirect_sram = true;
119 		break;
120 	case CHIP_NAVY_FLOUNDER:
121 		fw_name = FIRMWARE_NAVY_FLOUNDER;
122 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
123 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
124 			adev->vcn.indirect_sram = true;
125 		break;
126 	default:
127 		return -EINVAL;
128 	}
129 
130 	r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
131 	if (r) {
132 		dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n",
133 			fw_name);
134 		return r;
135 	}
136 
137 	r = amdgpu_ucode_validate(adev->vcn.fw);
138 	if (r) {
139 		dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n",
140 			fw_name);
141 		release_firmware(adev->vcn.fw);
142 		adev->vcn.fw = NULL;
143 		return r;
144 	}
145 
146 	hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
147 	adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
148 
149 	/* Bit 20-23, it is encode major and non-zero for new naming convention.
150 	 * This field is part of version minor and DRM_DISABLED_FLAG in old naming
151 	 * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
152 	 * is zero in old naming convention, this field is always zero so far.
153 	 * These four bits are used to tell which naming convention is present.
154 	 */
155 	fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
156 	if (fw_check) {
157 		unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
158 
159 		fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
160 		enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
161 		enc_major = fw_check;
162 		dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
163 		vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
164 		DRM_INFO("Found VCN firmware Version ENC: %hu.%hu DEC: %hu VEP: %hu Revision: %hu\n",
165 			enc_major, enc_minor, dec_ver, vep, fw_rev);
166 	} else {
167 		unsigned int version_major, version_minor, family_id;
168 
169 		family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
170 		version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
171 		version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
172 		DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
173 			version_major, version_minor, family_id);
174 	}
175 
176 	bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
177 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
178 		bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
179 
180 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
181 		if (adev->vcn.harvest_config & (1 << i))
182 			continue;
183 
184 		r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
185 						AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].vcpu_bo,
186 						&adev->vcn.inst[i].gpu_addr, &adev->vcn.inst[i].cpu_addr);
187 		if (r) {
188 			dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
189 			return r;
190 		}
191 
192 		if (adev->vcn.indirect_sram) {
193 			r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
194 					AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].dpg_sram_bo,
195 					&adev->vcn.inst[i].dpg_sram_gpu_addr, &adev->vcn.inst[i].dpg_sram_cpu_addr);
196 			if (r) {
197 				dev_err(adev->dev, "VCN %d (%d) failed to allocate DPG bo\n", i, r);
198 				return r;
199 			}
200 		}
201 
202 		r = amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)),
203 				PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].fw_shared_bo,
204 				&adev->vcn.inst[i].fw_shared_gpu_addr, &adev->vcn.inst[i].fw_shared_cpu_addr);
205 		if (r) {
206 			dev_err(adev->dev, "VCN %d (%d) failed to allocate firmware shared bo\n", i, r);
207 			return r;
208 		}
209 
210 		fw_shared_bo_size = amdgpu_bo_size(adev->vcn.inst[i].fw_shared_bo);
211 		adev->vcn.inst[i].saved_shm_bo = kvmalloc(fw_shared_bo_size, GFP_KERNEL);
212 	}
213 
214 	return 0;
215 }
216 
217 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
218 {
219 	int i, j;
220 
221 	cancel_delayed_work_sync(&adev->vcn.idle_work);
222 
223 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
224 		if (adev->vcn.harvest_config & (1 << j))
225 			continue;
226 
227 		kvfree(adev->vcn.inst[j].saved_shm_bo);
228 		amdgpu_bo_free_kernel(&adev->vcn.inst[j].fw_shared_bo,
229 					  &adev->vcn.inst[j].fw_shared_gpu_addr,
230 					  (void **)&adev->vcn.inst[j].fw_shared_cpu_addr);
231 
232 		if (adev->vcn.indirect_sram) {
233 			amdgpu_bo_free_kernel(&adev->vcn.inst[j].dpg_sram_bo,
234 						  &adev->vcn.inst[j].dpg_sram_gpu_addr,
235 						  (void **)&adev->vcn.inst[j].dpg_sram_cpu_addr);
236 		}
237 		kvfree(adev->vcn.inst[j].saved_bo);
238 
239 		amdgpu_bo_free_kernel(&adev->vcn.inst[j].vcpu_bo,
240 					  &adev->vcn.inst[j].gpu_addr,
241 					  (void **)&adev->vcn.inst[j].cpu_addr);
242 
243 		amdgpu_ring_fini(&adev->vcn.inst[j].ring_dec);
244 
245 		for (i = 0; i < adev->vcn.num_enc_rings; ++i)
246 			amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
247 	}
248 
249 	release_firmware(adev->vcn.fw);
250 	mutex_destroy(&adev->vcn.vcn_pg_lock);
251 
252 	return 0;
253 }
254 
255 int amdgpu_vcn_suspend(struct amdgpu_device *adev)
256 {
257 	unsigned size;
258 	void *ptr;
259 	int i;
260 
261 	cancel_delayed_work_sync(&adev->vcn.idle_work);
262 
263 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
264 		if (adev->vcn.harvest_config & (1 << i))
265 			continue;
266 		if (adev->vcn.inst[i].vcpu_bo == NULL)
267 			return 0;
268 
269 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
270 		ptr = adev->vcn.inst[i].cpu_addr;
271 
272 		adev->vcn.inst[i].saved_bo = kvmalloc(size, GFP_KERNEL);
273 		if (!adev->vcn.inst[i].saved_bo)
274 			return -ENOMEM;
275 
276 		memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
277 
278 		if (adev->vcn.inst[i].fw_shared_bo == NULL)
279 			return 0;
280 
281 		if (!adev->vcn.inst[i].saved_shm_bo)
282 			return -ENOMEM;
283 
284 		size = amdgpu_bo_size(adev->vcn.inst[i].fw_shared_bo);
285 		ptr = adev->vcn.inst[i].fw_shared_cpu_addr;
286 
287 		memcpy_fromio(adev->vcn.inst[i].saved_shm_bo, ptr, size);
288 	}
289 	return 0;
290 }
291 
292 int amdgpu_vcn_resume(struct amdgpu_device *adev)
293 {
294 	unsigned size;
295 	void *ptr;
296 	int i;
297 
298 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
299 		if (adev->vcn.harvest_config & (1 << i))
300 			continue;
301 		if (adev->vcn.inst[i].vcpu_bo == NULL)
302 			return -EINVAL;
303 
304 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
305 		ptr = adev->vcn.inst[i].cpu_addr;
306 
307 		if (adev->vcn.inst[i].saved_bo != NULL) {
308 			memcpy_toio(ptr, adev->vcn.inst[i].saved_bo, size);
309 			kvfree(adev->vcn.inst[i].saved_bo);
310 			adev->vcn.inst[i].saved_bo = NULL;
311 		} else {
312 			const struct common_firmware_header *hdr;
313 			unsigned offset;
314 
315 			hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
316 			if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
317 				offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
318 				memcpy_toio(adev->vcn.inst[i].cpu_addr, adev->vcn.fw->data + offset,
319 					    le32_to_cpu(hdr->ucode_size_bytes));
320 				size -= le32_to_cpu(hdr->ucode_size_bytes);
321 				ptr += le32_to_cpu(hdr->ucode_size_bytes);
322 			}
323 			memset_io(ptr, 0, size);
324 		}
325 
326 		if (adev->vcn.inst[i].fw_shared_bo == NULL)
327 			return -EINVAL;
328 
329 		size = amdgpu_bo_size(adev->vcn.inst[i].fw_shared_bo);
330 		ptr = adev->vcn.inst[i].fw_shared_cpu_addr;
331 
332 		if (adev->vcn.inst[i].saved_shm_bo != NULL)
333 			memcpy_toio(ptr, adev->vcn.inst[i].saved_shm_bo, size);
334 		else
335 			memset_io(ptr, 0, size);
336 	}
337 	return 0;
338 }
339 
340 static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
341 {
342 	struct amdgpu_device *adev =
343 		container_of(work, struct amdgpu_device, vcn.idle_work.work);
344 	unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
345 	unsigned int i, j;
346 
347 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
348 		if (adev->vcn.harvest_config & (1 << j))
349 			continue;
350 
351 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
352 			fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
353 		}
354 
355 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
356 			struct dpg_pause_state new_state;
357 
358 			if (fence[j] ||
359 				unlikely(atomic_read(&adev->vcn.inst[j].dpg_enc_submission_cnt)))
360 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
361 			else
362 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
363 
364 			adev->vcn.pause_dpg_mode(adev, j, &new_state);
365 		}
366 
367 		fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
368 		fences += fence[j];
369 	}
370 
371 	if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
372 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
373 		       AMD_PG_STATE_GATE);
374 	} else {
375 		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
376 	}
377 }
378 
379 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
380 {
381 	struct amdgpu_device *adev = ring->adev;
382 
383 	atomic_inc(&adev->vcn.total_submission_cnt);
384 	cancel_delayed_work_sync(&adev->vcn.idle_work);
385 
386 	mutex_lock(&adev->vcn.vcn_pg_lock);
387 	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
388 	       AMD_PG_STATE_UNGATE);
389 
390 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
391 		struct dpg_pause_state new_state;
392 
393 		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
394 			atomic_inc(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
395 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
396 		} else {
397 			unsigned int fences = 0;
398 			unsigned int i;
399 
400 			for (i = 0; i < adev->vcn.num_enc_rings; ++i)
401 				fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
402 
403 			if (fences || atomic_read(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt))
404 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
405 			else
406 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
407 		}
408 
409 		adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
410 	}
411 	mutex_unlock(&adev->vcn.vcn_pg_lock);
412 }
413 
414 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
415 {
416 	if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
417 		ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
418 		atomic_dec(&ring->adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
419 
420 	atomic_dec(&ring->adev->vcn.total_submission_cnt);
421 
422 	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
423 }
424 
425 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
426 {
427 	struct amdgpu_device *adev = ring->adev;
428 	uint32_t tmp = 0;
429 	unsigned i;
430 	int r;
431 
432 	/* VCN in SRIOV does not support direct register read/write */
433 	if (amdgpu_sriov_vf(adev))
434 		return 0;
435 
436 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
437 	r = amdgpu_ring_alloc(ring, 3);
438 	if (r)
439 		return r;
440 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
441 	amdgpu_ring_write(ring, 0xDEADBEEF);
442 	amdgpu_ring_commit(ring);
443 	for (i = 0; i < adev->usec_timeout; i++) {
444 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
445 		if (tmp == 0xDEADBEEF)
446 			break;
447 		udelay(1);
448 	}
449 
450 	if (i >= adev->usec_timeout)
451 		r = -ETIMEDOUT;
452 
453 	return r;
454 }
455 
456 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
457 				   struct amdgpu_bo *bo,
458 				   struct dma_fence **fence)
459 {
460 	struct amdgpu_device *adev = ring->adev;
461 	struct dma_fence *f = NULL;
462 	struct amdgpu_job *job;
463 	struct amdgpu_ib *ib;
464 	uint64_t addr;
465 	int i, r;
466 
467 	r = amdgpu_job_alloc_with_ib(adev, 64,
468 					AMDGPU_IB_POOL_DIRECT, &job);
469 	if (r)
470 		goto err;
471 
472 	ib = &job->ibs[0];
473 	addr = amdgpu_bo_gpu_offset(bo);
474 	ib->ptr[0] = PACKET0(adev->vcn.internal.data0, 0);
475 	ib->ptr[1] = addr;
476 	ib->ptr[2] = PACKET0(adev->vcn.internal.data1, 0);
477 	ib->ptr[3] = addr >> 32;
478 	ib->ptr[4] = PACKET0(adev->vcn.internal.cmd, 0);
479 	ib->ptr[5] = 0;
480 	for (i = 6; i < 16; i += 2) {
481 		ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
482 		ib->ptr[i+1] = 0;
483 	}
484 	ib->length_dw = 16;
485 
486 	r = amdgpu_job_submit_direct(job, ring, &f);
487 	if (r)
488 		goto err_free;
489 
490 	amdgpu_bo_fence(bo, f, false);
491 	amdgpu_bo_unreserve(bo);
492 	amdgpu_bo_unref(&bo);
493 
494 	if (fence)
495 		*fence = dma_fence_get(f);
496 	dma_fence_put(f);
497 
498 	return 0;
499 
500 err_free:
501 	amdgpu_job_free(job);
502 
503 err:
504 	amdgpu_bo_unreserve(bo);
505 	amdgpu_bo_unref(&bo);
506 	return r;
507 }
508 
509 static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
510 			      struct dma_fence **fence)
511 {
512 	struct amdgpu_device *adev = ring->adev;
513 	struct amdgpu_bo *bo = NULL;
514 	uint32_t *msg;
515 	int r, i;
516 
517 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
518 				      AMDGPU_GEM_DOMAIN_VRAM,
519 				      &bo, NULL, (void **)&msg);
520 	if (r)
521 		return r;
522 
523 	msg[0] = cpu_to_le32(0x00000028);
524 	msg[1] = cpu_to_le32(0x00000038);
525 	msg[2] = cpu_to_le32(0x00000001);
526 	msg[3] = cpu_to_le32(0x00000000);
527 	msg[4] = cpu_to_le32(handle);
528 	msg[5] = cpu_to_le32(0x00000000);
529 	msg[6] = cpu_to_le32(0x00000001);
530 	msg[7] = cpu_to_le32(0x00000028);
531 	msg[8] = cpu_to_le32(0x00000010);
532 	msg[9] = cpu_to_le32(0x00000000);
533 	msg[10] = cpu_to_le32(0x00000007);
534 	msg[11] = cpu_to_le32(0x00000000);
535 	msg[12] = cpu_to_le32(0x00000780);
536 	msg[13] = cpu_to_le32(0x00000440);
537 	for (i = 14; i < 1024; ++i)
538 		msg[i] = cpu_to_le32(0x0);
539 
540 	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
541 }
542 
543 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
544 			       struct dma_fence **fence)
545 {
546 	struct amdgpu_device *adev = ring->adev;
547 	struct amdgpu_bo *bo = NULL;
548 	uint32_t *msg;
549 	int r, i;
550 
551 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
552 				      AMDGPU_GEM_DOMAIN_VRAM,
553 				      &bo, NULL, (void **)&msg);
554 	if (r)
555 		return r;
556 
557 	msg[0] = cpu_to_le32(0x00000028);
558 	msg[1] = cpu_to_le32(0x00000018);
559 	msg[2] = cpu_to_le32(0x00000000);
560 	msg[3] = cpu_to_le32(0x00000002);
561 	msg[4] = cpu_to_le32(handle);
562 	msg[5] = cpu_to_le32(0x00000000);
563 	for (i = 6; i < 1024; ++i)
564 		msg[i] = cpu_to_le32(0x0);
565 
566 	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
567 }
568 
569 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
570 {
571 	struct dma_fence *fence;
572 	long r;
573 
574 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, NULL);
575 	if (r)
576 		goto error;
577 
578 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &fence);
579 	if (r)
580 		goto error;
581 
582 	r = dma_fence_wait_timeout(fence, false, timeout);
583 	if (r == 0)
584 		r = -ETIMEDOUT;
585 	else if (r > 0)
586 		r = 0;
587 
588 	dma_fence_put(fence);
589 error:
590 	return r;
591 }
592 
593 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
594 {
595 	struct amdgpu_device *adev = ring->adev;
596 	uint32_t rptr;
597 	unsigned i;
598 	int r;
599 
600 	if (amdgpu_sriov_vf(adev))
601 		return 0;
602 
603 	r = amdgpu_ring_alloc(ring, 16);
604 	if (r)
605 		return r;
606 
607 	rptr = amdgpu_ring_get_rptr(ring);
608 
609 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
610 	amdgpu_ring_commit(ring);
611 
612 	for (i = 0; i < adev->usec_timeout; i++) {
613 		if (amdgpu_ring_get_rptr(ring) != rptr)
614 			break;
615 		udelay(1);
616 	}
617 
618 	if (i >= adev->usec_timeout)
619 		r = -ETIMEDOUT;
620 
621 	return r;
622 }
623 
624 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
625 					 struct amdgpu_bo *bo,
626 					 struct dma_fence **fence)
627 {
628 	const unsigned ib_size_dw = 16;
629 	struct amdgpu_job *job;
630 	struct amdgpu_ib *ib;
631 	struct dma_fence *f = NULL;
632 	uint64_t addr;
633 	int i, r;
634 
635 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
636 					AMDGPU_IB_POOL_DIRECT, &job);
637 	if (r)
638 		return r;
639 
640 	ib = &job->ibs[0];
641 	addr = amdgpu_bo_gpu_offset(bo);
642 
643 	ib->length_dw = 0;
644 	ib->ptr[ib->length_dw++] = 0x00000018;
645 	ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
646 	ib->ptr[ib->length_dw++] = handle;
647 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
648 	ib->ptr[ib->length_dw++] = addr;
649 	ib->ptr[ib->length_dw++] = 0x0000000b;
650 
651 	ib->ptr[ib->length_dw++] = 0x00000014;
652 	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
653 	ib->ptr[ib->length_dw++] = 0x0000001c;
654 	ib->ptr[ib->length_dw++] = 0x00000000;
655 	ib->ptr[ib->length_dw++] = 0x00000000;
656 
657 	ib->ptr[ib->length_dw++] = 0x00000008;
658 	ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
659 
660 	for (i = ib->length_dw; i < ib_size_dw; ++i)
661 		ib->ptr[i] = 0x0;
662 
663 	r = amdgpu_job_submit_direct(job, ring, &f);
664 	if (r)
665 		goto err;
666 
667 	if (fence)
668 		*fence = dma_fence_get(f);
669 	dma_fence_put(f);
670 
671 	return 0;
672 
673 err:
674 	amdgpu_job_free(job);
675 	return r;
676 }
677 
678 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
679 					  struct amdgpu_bo *bo,
680 					  struct dma_fence **fence)
681 {
682 	const unsigned ib_size_dw = 16;
683 	struct amdgpu_job *job;
684 	struct amdgpu_ib *ib;
685 	struct dma_fence *f = NULL;
686 	uint64_t addr;
687 	int i, r;
688 
689 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
690 					AMDGPU_IB_POOL_DIRECT, &job);
691 	if (r)
692 		return r;
693 
694 	ib = &job->ibs[0];
695 	addr = amdgpu_bo_gpu_offset(bo);
696 
697 	ib->length_dw = 0;
698 	ib->ptr[ib->length_dw++] = 0x00000018;
699 	ib->ptr[ib->length_dw++] = 0x00000001;
700 	ib->ptr[ib->length_dw++] = handle;
701 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
702 	ib->ptr[ib->length_dw++] = addr;
703 	ib->ptr[ib->length_dw++] = 0x0000000b;
704 
705 	ib->ptr[ib->length_dw++] = 0x00000014;
706 	ib->ptr[ib->length_dw++] = 0x00000002;
707 	ib->ptr[ib->length_dw++] = 0x0000001c;
708 	ib->ptr[ib->length_dw++] = 0x00000000;
709 	ib->ptr[ib->length_dw++] = 0x00000000;
710 
711 	ib->ptr[ib->length_dw++] = 0x00000008;
712 	ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
713 
714 	for (i = ib->length_dw; i < ib_size_dw; ++i)
715 		ib->ptr[i] = 0x0;
716 
717 	r = amdgpu_job_submit_direct(job, ring, &f);
718 	if (r)
719 		goto err;
720 
721 	if (fence)
722 		*fence = dma_fence_get(f);
723 	dma_fence_put(f);
724 
725 	return 0;
726 
727 err:
728 	amdgpu_job_free(job);
729 	return r;
730 }
731 
732 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
733 {
734 	struct dma_fence *fence = NULL;
735 	struct amdgpu_bo *bo = NULL;
736 	long r;
737 
738 	r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE,
739 				      AMDGPU_GEM_DOMAIN_VRAM,
740 				      &bo, NULL, NULL);
741 	if (r)
742 		return r;
743 
744 	r = amdgpu_vcn_enc_get_create_msg(ring, 1, bo, NULL);
745 	if (r)
746 		goto error;
747 
748 	r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, bo, &fence);
749 	if (r)
750 		goto error;
751 
752 	r = dma_fence_wait_timeout(fence, false, timeout);
753 	if (r == 0)
754 		r = -ETIMEDOUT;
755 	else if (r > 0)
756 		r = 0;
757 
758 error:
759 	dma_fence_put(fence);
760 	amdgpu_bo_unreserve(bo);
761 	amdgpu_bo_unref(&bo);
762 	return r;
763 }
764