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_GREEN_SARDINE 	"amdgpu/green_sardine_vcn.bin"
43 #define FIRMWARE_NAVI10 	"amdgpu/navi10_vcn.bin"
44 #define FIRMWARE_NAVI14 	"amdgpu/navi14_vcn.bin"
45 #define FIRMWARE_NAVI12 	"amdgpu/navi12_vcn.bin"
46 #define FIRMWARE_SIENNA_CICHLID 	"amdgpu/sienna_cichlid_vcn.bin"
47 #define FIRMWARE_NAVY_FLOUNDER 	"amdgpu/navy_flounder_vcn.bin"
48 #define FIRMWARE_VANGOGH	"amdgpu/vangogh_vcn.bin"
49 #define FIRMWARE_DIMGREY_CAVEFISH 	"amdgpu/dimgrey_cavefish_vcn.bin"
50 
51 MODULE_FIRMWARE(FIRMWARE_RAVEN);
52 MODULE_FIRMWARE(FIRMWARE_PICASSO);
53 MODULE_FIRMWARE(FIRMWARE_RAVEN2);
54 MODULE_FIRMWARE(FIRMWARE_ARCTURUS);
55 MODULE_FIRMWARE(FIRMWARE_RENOIR);
56 MODULE_FIRMWARE(FIRMWARE_GREEN_SARDINE);
57 MODULE_FIRMWARE(FIRMWARE_NAVI10);
58 MODULE_FIRMWARE(FIRMWARE_NAVI14);
59 MODULE_FIRMWARE(FIRMWARE_NAVI12);
60 MODULE_FIRMWARE(FIRMWARE_SIENNA_CICHLID);
61 MODULE_FIRMWARE(FIRMWARE_NAVY_FLOUNDER);
62 MODULE_FIRMWARE(FIRMWARE_VANGOGH);
63 MODULE_FIRMWARE(FIRMWARE_DIMGREY_CAVEFISH);
64 
65 static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
66 
67 int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
68 {
69 	unsigned long bo_size;
70 	const char *fw_name;
71 	const struct common_firmware_header *hdr;
72 	unsigned char fw_check;
73 	int i, r;
74 
75 	INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
76 	mutex_init(&adev->vcn.vcn_pg_lock);
77 	mutex_init(&adev->vcn.vcn1_jpeg1_workaround);
78 	atomic_set(&adev->vcn.total_submission_cnt, 0);
79 	for (i = 0; i < adev->vcn.num_vcn_inst; i++)
80 		atomic_set(&adev->vcn.inst[i].dpg_enc_submission_cnt, 0);
81 
82 	switch (adev->asic_type) {
83 	case CHIP_RAVEN:
84 		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
85 			fw_name = FIRMWARE_RAVEN2;
86 		else if (adev->apu_flags & AMD_APU_IS_PICASSO)
87 			fw_name = FIRMWARE_PICASSO;
88 		else
89 			fw_name = FIRMWARE_RAVEN;
90 		break;
91 	case CHIP_ARCTURUS:
92 		fw_name = FIRMWARE_ARCTURUS;
93 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
94 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
95 			adev->vcn.indirect_sram = true;
96 		break;
97 	case CHIP_RENOIR:
98 		if (adev->apu_flags & AMD_APU_IS_RENOIR)
99 			fw_name = FIRMWARE_RENOIR;
100 		else
101 			fw_name = FIRMWARE_GREEN_SARDINE;
102 
103 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
104 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
105 			adev->vcn.indirect_sram = true;
106 		break;
107 	case CHIP_NAVI10:
108 		fw_name = FIRMWARE_NAVI10;
109 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
110 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
111 			adev->vcn.indirect_sram = true;
112 		break;
113 	case CHIP_NAVI14:
114 		fw_name = FIRMWARE_NAVI14;
115 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
116 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
117 			adev->vcn.indirect_sram = true;
118 		break;
119 	case CHIP_NAVI12:
120 		fw_name = FIRMWARE_NAVI12;
121 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
122 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
123 			adev->vcn.indirect_sram = true;
124 		break;
125 	case CHIP_SIENNA_CICHLID:
126 		fw_name = FIRMWARE_SIENNA_CICHLID;
127 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
128 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
129 			adev->vcn.indirect_sram = true;
130 		break;
131 	case CHIP_NAVY_FLOUNDER:
132 		fw_name = FIRMWARE_NAVY_FLOUNDER;
133 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
134 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
135 			adev->vcn.indirect_sram = true;
136 		break;
137 	case CHIP_VANGOGH:
138 		fw_name = FIRMWARE_VANGOGH;
139 		break;
140 	case CHIP_DIMGREY_CAVEFISH:
141 		fw_name = FIRMWARE_DIMGREY_CAVEFISH;
142 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
143 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
144 			adev->vcn.indirect_sram = true;
145 		break;
146 	default:
147 		return -EINVAL;
148 	}
149 
150 	r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
151 	if (r) {
152 		dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n",
153 			fw_name);
154 		return r;
155 	}
156 
157 	r = amdgpu_ucode_validate(adev->vcn.fw);
158 	if (r) {
159 		dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n",
160 			fw_name);
161 		release_firmware(adev->vcn.fw);
162 		adev->vcn.fw = NULL;
163 		return r;
164 	}
165 
166 	hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
167 	adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
168 
169 	/* Bit 20-23, it is encode major and non-zero for new naming convention.
170 	 * This field is part of version minor and DRM_DISABLED_FLAG in old naming
171 	 * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
172 	 * is zero in old naming convention, this field is always zero so far.
173 	 * These four bits are used to tell which naming convention is present.
174 	 */
175 	fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
176 	if (fw_check) {
177 		unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
178 
179 		fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
180 		enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
181 		enc_major = fw_check;
182 		dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
183 		vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
184 		DRM_INFO("Found VCN firmware Version ENC: %hu.%hu DEC: %hu VEP: %hu Revision: %hu\n",
185 			enc_major, enc_minor, dec_ver, vep, fw_rev);
186 	} else {
187 		unsigned int version_major, version_minor, family_id;
188 
189 		family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
190 		version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
191 		version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
192 		DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
193 			version_major, version_minor, family_id);
194 	}
195 
196 	bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
197 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
198 		bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
199 	bo_size += AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
200 
201 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
202 		if (adev->vcn.harvest_config & (1 << i))
203 			continue;
204 
205 		r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
206 						AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].vcpu_bo,
207 						&adev->vcn.inst[i].gpu_addr, &adev->vcn.inst[i].cpu_addr);
208 		if (r) {
209 			dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
210 			return r;
211 		}
212 
213 		adev->vcn.inst[i].fw_shared_cpu_addr = adev->vcn.inst[i].cpu_addr +
214 				bo_size - AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
215 		adev->vcn.inst[i].fw_shared_gpu_addr = adev->vcn.inst[i].gpu_addr +
216 				bo_size - AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
217 
218 		if (adev->vcn.indirect_sram) {
219 			r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
220 					AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].dpg_sram_bo,
221 					&adev->vcn.inst[i].dpg_sram_gpu_addr, &adev->vcn.inst[i].dpg_sram_cpu_addr);
222 			if (r) {
223 				dev_err(adev->dev, "VCN %d (%d) failed to allocate DPG bo\n", i, r);
224 				return r;
225 			}
226 		}
227 	}
228 
229 	return 0;
230 }
231 
232 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
233 {
234 	int i, j;
235 
236 	cancel_delayed_work_sync(&adev->vcn.idle_work);
237 
238 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
239 		if (adev->vcn.harvest_config & (1 << j))
240 			continue;
241 
242 		if (adev->vcn.indirect_sram) {
243 			amdgpu_bo_free_kernel(&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 	release_firmware(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 int amdgpu_vcn_suspend(struct amdgpu_device *adev)
267 {
268 	unsigned size;
269 	void *ptr;
270 	int i;
271 
272 	cancel_delayed_work_sync(&adev->vcn.idle_work);
273 
274 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
275 		if (adev->vcn.harvest_config & (1 << i))
276 			continue;
277 		if (adev->vcn.inst[i].vcpu_bo == NULL)
278 			return 0;
279 
280 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
281 		ptr = adev->vcn.inst[i].cpu_addr;
282 
283 		adev->vcn.inst[i].saved_bo = kvmalloc(size, GFP_KERNEL);
284 		if (!adev->vcn.inst[i].saved_bo)
285 			return -ENOMEM;
286 
287 		memcpy_fromio(adev->vcn.inst[i].saved_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 	return 0;
327 }
328 
329 static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
330 {
331 	struct amdgpu_device *adev =
332 		container_of(work, struct amdgpu_device, vcn.idle_work.work);
333 	unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
334 	unsigned int i, j;
335 
336 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
337 		if (adev->vcn.harvest_config & (1 << j))
338 			continue;
339 
340 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
341 			fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
342 		}
343 
344 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
345 			struct dpg_pause_state new_state;
346 
347 			if (fence[j] ||
348 				unlikely(atomic_read(&adev->vcn.inst[j].dpg_enc_submission_cnt)))
349 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
350 			else
351 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
352 
353 			adev->vcn.pause_dpg_mode(adev, j, &new_state);
354 		}
355 
356 		fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
357 		fences += fence[j];
358 	}
359 
360 	if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
361 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
362 		       AMD_PG_STATE_GATE);
363 	} else {
364 		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
365 	}
366 }
367 
368 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
369 {
370 	struct amdgpu_device *adev = ring->adev;
371 
372 	atomic_inc(&adev->vcn.total_submission_cnt);
373 	cancel_delayed_work_sync(&adev->vcn.idle_work);
374 
375 	mutex_lock(&adev->vcn.vcn_pg_lock);
376 	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
377 	       AMD_PG_STATE_UNGATE);
378 
379 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
380 		struct dpg_pause_state new_state;
381 
382 		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
383 			atomic_inc(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
384 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
385 		} else {
386 			unsigned int fences = 0;
387 			unsigned int i;
388 
389 			for (i = 0; i < adev->vcn.num_enc_rings; ++i)
390 				fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
391 
392 			if (fences || atomic_read(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt))
393 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
394 			else
395 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
396 		}
397 
398 		adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
399 	}
400 	mutex_unlock(&adev->vcn.vcn_pg_lock);
401 }
402 
403 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
404 {
405 	if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
406 		ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
407 		atomic_dec(&ring->adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
408 
409 	atomic_dec(&ring->adev->vcn.total_submission_cnt);
410 
411 	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
412 }
413 
414 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
415 {
416 	struct amdgpu_device *adev = ring->adev;
417 	uint32_t tmp = 0;
418 	unsigned i;
419 	int r;
420 
421 	/* VCN in SRIOV does not support direct register read/write */
422 	if (amdgpu_sriov_vf(adev))
423 		return 0;
424 
425 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
426 	r = amdgpu_ring_alloc(ring, 3);
427 	if (r)
428 		return r;
429 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
430 	amdgpu_ring_write(ring, 0xDEADBEEF);
431 	amdgpu_ring_commit(ring);
432 	for (i = 0; i < adev->usec_timeout; i++) {
433 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
434 		if (tmp == 0xDEADBEEF)
435 			break;
436 		udelay(1);
437 	}
438 
439 	if (i >= adev->usec_timeout)
440 		r = -ETIMEDOUT;
441 
442 	return r;
443 }
444 
445 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
446 				   struct amdgpu_bo *bo,
447 				   struct dma_fence **fence)
448 {
449 	struct amdgpu_device *adev = ring->adev;
450 	struct dma_fence *f = NULL;
451 	struct amdgpu_job *job;
452 	struct amdgpu_ib *ib;
453 	uint64_t addr;
454 	int i, r;
455 
456 	r = amdgpu_job_alloc_with_ib(adev, 64,
457 					AMDGPU_IB_POOL_DIRECT, &job);
458 	if (r)
459 		goto err;
460 
461 	ib = &job->ibs[0];
462 	addr = amdgpu_bo_gpu_offset(bo);
463 	ib->ptr[0] = PACKET0(adev->vcn.internal.data0, 0);
464 	ib->ptr[1] = addr;
465 	ib->ptr[2] = PACKET0(adev->vcn.internal.data1, 0);
466 	ib->ptr[3] = addr >> 32;
467 	ib->ptr[4] = PACKET0(adev->vcn.internal.cmd, 0);
468 	ib->ptr[5] = 0;
469 	for (i = 6; i < 16; i += 2) {
470 		ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
471 		ib->ptr[i+1] = 0;
472 	}
473 	ib->length_dw = 16;
474 
475 	r = amdgpu_job_submit_direct(job, ring, &f);
476 	if (r)
477 		goto err_free;
478 
479 	amdgpu_bo_fence(bo, f, false);
480 	amdgpu_bo_unreserve(bo);
481 	amdgpu_bo_unref(&bo);
482 
483 	if (fence)
484 		*fence = dma_fence_get(f);
485 	dma_fence_put(f);
486 
487 	return 0;
488 
489 err_free:
490 	amdgpu_job_free(job);
491 
492 err:
493 	amdgpu_bo_unreserve(bo);
494 	amdgpu_bo_unref(&bo);
495 	return r;
496 }
497 
498 static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
499 			      struct dma_fence **fence)
500 {
501 	struct amdgpu_device *adev = ring->adev;
502 	struct amdgpu_bo *bo = NULL;
503 	uint32_t *msg;
504 	int r, i;
505 
506 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
507 				      AMDGPU_GEM_DOMAIN_VRAM,
508 				      &bo, NULL, (void **)&msg);
509 	if (r)
510 		return r;
511 
512 	msg[0] = cpu_to_le32(0x00000028);
513 	msg[1] = cpu_to_le32(0x00000038);
514 	msg[2] = cpu_to_le32(0x00000001);
515 	msg[3] = cpu_to_le32(0x00000000);
516 	msg[4] = cpu_to_le32(handle);
517 	msg[5] = cpu_to_le32(0x00000000);
518 	msg[6] = cpu_to_le32(0x00000001);
519 	msg[7] = cpu_to_le32(0x00000028);
520 	msg[8] = cpu_to_le32(0x00000010);
521 	msg[9] = cpu_to_le32(0x00000000);
522 	msg[10] = cpu_to_le32(0x00000007);
523 	msg[11] = cpu_to_le32(0x00000000);
524 	msg[12] = cpu_to_le32(0x00000780);
525 	msg[13] = cpu_to_le32(0x00000440);
526 	for (i = 14; i < 1024; ++i)
527 		msg[i] = cpu_to_le32(0x0);
528 
529 	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
530 }
531 
532 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
533 			       struct dma_fence **fence)
534 {
535 	struct amdgpu_device *adev = ring->adev;
536 	struct amdgpu_bo *bo = NULL;
537 	uint32_t *msg;
538 	int r, i;
539 
540 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
541 				      AMDGPU_GEM_DOMAIN_VRAM,
542 				      &bo, NULL, (void **)&msg);
543 	if (r)
544 		return r;
545 
546 	msg[0] = cpu_to_le32(0x00000028);
547 	msg[1] = cpu_to_le32(0x00000018);
548 	msg[2] = cpu_to_le32(0x00000000);
549 	msg[3] = cpu_to_le32(0x00000002);
550 	msg[4] = cpu_to_le32(handle);
551 	msg[5] = cpu_to_le32(0x00000000);
552 	for (i = 6; i < 1024; ++i)
553 		msg[i] = cpu_to_le32(0x0);
554 
555 	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
556 }
557 
558 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
559 {
560 	struct dma_fence *fence;
561 	long r;
562 
563 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, NULL);
564 	if (r)
565 		goto error;
566 
567 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &fence);
568 	if (r)
569 		goto error;
570 
571 	r = dma_fence_wait_timeout(fence, false, timeout);
572 	if (r == 0)
573 		r = -ETIMEDOUT;
574 	else if (r > 0)
575 		r = 0;
576 
577 	dma_fence_put(fence);
578 error:
579 	return r;
580 }
581 
582 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
583 {
584 	struct amdgpu_device *adev = ring->adev;
585 	uint32_t rptr;
586 	unsigned i;
587 	int r;
588 
589 	if (amdgpu_sriov_vf(adev))
590 		return 0;
591 
592 	r = amdgpu_ring_alloc(ring, 16);
593 	if (r)
594 		return r;
595 
596 	rptr = amdgpu_ring_get_rptr(ring);
597 
598 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
599 	amdgpu_ring_commit(ring);
600 
601 	for (i = 0; i < adev->usec_timeout; i++) {
602 		if (amdgpu_ring_get_rptr(ring) != rptr)
603 			break;
604 		udelay(1);
605 	}
606 
607 	if (i >= adev->usec_timeout)
608 		r = -ETIMEDOUT;
609 
610 	return r;
611 }
612 
613 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
614 					 struct amdgpu_bo *bo,
615 					 struct dma_fence **fence)
616 {
617 	const unsigned ib_size_dw = 16;
618 	struct amdgpu_job *job;
619 	struct amdgpu_ib *ib;
620 	struct dma_fence *f = NULL;
621 	uint64_t addr;
622 	int i, r;
623 
624 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
625 					AMDGPU_IB_POOL_DIRECT, &job);
626 	if (r)
627 		return r;
628 
629 	ib = &job->ibs[0];
630 	addr = amdgpu_bo_gpu_offset(bo);
631 
632 	ib->length_dw = 0;
633 	ib->ptr[ib->length_dw++] = 0x00000018;
634 	ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
635 	ib->ptr[ib->length_dw++] = handle;
636 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
637 	ib->ptr[ib->length_dw++] = addr;
638 	ib->ptr[ib->length_dw++] = 0x0000000b;
639 
640 	ib->ptr[ib->length_dw++] = 0x00000014;
641 	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
642 	ib->ptr[ib->length_dw++] = 0x0000001c;
643 	ib->ptr[ib->length_dw++] = 0x00000000;
644 	ib->ptr[ib->length_dw++] = 0x00000000;
645 
646 	ib->ptr[ib->length_dw++] = 0x00000008;
647 	ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
648 
649 	for (i = ib->length_dw; i < ib_size_dw; ++i)
650 		ib->ptr[i] = 0x0;
651 
652 	r = amdgpu_job_submit_direct(job, ring, &f);
653 	if (r)
654 		goto err;
655 
656 	if (fence)
657 		*fence = dma_fence_get(f);
658 	dma_fence_put(f);
659 
660 	return 0;
661 
662 err:
663 	amdgpu_job_free(job);
664 	return r;
665 }
666 
667 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
668 					  struct amdgpu_bo *bo,
669 					  struct dma_fence **fence)
670 {
671 	const unsigned ib_size_dw = 16;
672 	struct amdgpu_job *job;
673 	struct amdgpu_ib *ib;
674 	struct dma_fence *f = NULL;
675 	uint64_t addr;
676 	int i, r;
677 
678 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
679 					AMDGPU_IB_POOL_DIRECT, &job);
680 	if (r)
681 		return r;
682 
683 	ib = &job->ibs[0];
684 	addr = amdgpu_bo_gpu_offset(bo);
685 
686 	ib->length_dw = 0;
687 	ib->ptr[ib->length_dw++] = 0x00000018;
688 	ib->ptr[ib->length_dw++] = 0x00000001;
689 	ib->ptr[ib->length_dw++] = handle;
690 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
691 	ib->ptr[ib->length_dw++] = addr;
692 	ib->ptr[ib->length_dw++] = 0x0000000b;
693 
694 	ib->ptr[ib->length_dw++] = 0x00000014;
695 	ib->ptr[ib->length_dw++] = 0x00000002;
696 	ib->ptr[ib->length_dw++] = 0x0000001c;
697 	ib->ptr[ib->length_dw++] = 0x00000000;
698 	ib->ptr[ib->length_dw++] = 0x00000000;
699 
700 	ib->ptr[ib->length_dw++] = 0x00000008;
701 	ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
702 
703 	for (i = ib->length_dw; i < ib_size_dw; ++i)
704 		ib->ptr[i] = 0x0;
705 
706 	r = amdgpu_job_submit_direct(job, ring, &f);
707 	if (r)
708 		goto err;
709 
710 	if (fence)
711 		*fence = dma_fence_get(f);
712 	dma_fence_put(f);
713 
714 	return 0;
715 
716 err:
717 	amdgpu_job_free(job);
718 	return r;
719 }
720 
721 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
722 {
723 	struct dma_fence *fence = NULL;
724 	struct amdgpu_bo *bo = NULL;
725 	long r;
726 
727 	r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE,
728 				      AMDGPU_GEM_DOMAIN_VRAM,
729 				      &bo, NULL, NULL);
730 	if (r)
731 		return r;
732 
733 	r = amdgpu_vcn_enc_get_create_msg(ring, 1, bo, NULL);
734 	if (r)
735 		goto error;
736 
737 	r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, bo, &fence);
738 	if (r)
739 		goto error;
740 
741 	r = dma_fence_wait_timeout(fence, false, timeout);
742 	if (r == 0)
743 		r = -ETIMEDOUT;
744 	else if (r > 0)
745 		r = 0;
746 
747 error:
748 	dma_fence_put(fence);
749 	amdgpu_bo_unreserve(bo);
750 	amdgpu_bo_unref(&bo);
751 	return r;
752 }
753