xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c (revision bf62221e9d0e1e4ba50ab2b331a0008c15de97be)
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 #include <drm/drm_drv.h>
31 
32 #include "amdgpu.h"
33 #include "amdgpu_pm.h"
34 #include "amdgpu_vcn.h"
35 #include "soc15d.h"
36 
37 /* Firmware Names */
38 #define FIRMWARE_RAVEN		"amdgpu/raven_vcn.bin"
39 #define FIRMWARE_PICASSO	"amdgpu/picasso_vcn.bin"
40 #define FIRMWARE_RAVEN2		"amdgpu/raven2_vcn.bin"
41 #define FIRMWARE_ARCTURUS	"amdgpu/arcturus_vcn.bin"
42 #define FIRMWARE_RENOIR		"amdgpu/renoir_vcn.bin"
43 #define FIRMWARE_GREEN_SARDINE	"amdgpu/green_sardine_vcn.bin"
44 #define FIRMWARE_NAVI10		"amdgpu/navi10_vcn.bin"
45 #define FIRMWARE_NAVI14		"amdgpu/navi14_vcn.bin"
46 #define FIRMWARE_NAVI12		"amdgpu/navi12_vcn.bin"
47 #define FIRMWARE_SIENNA_CICHLID	"amdgpu/sienna_cichlid_vcn.bin"
48 #define FIRMWARE_NAVY_FLOUNDER	"amdgpu/navy_flounder_vcn.bin"
49 #define FIRMWARE_VANGOGH	"amdgpu/vangogh_vcn.bin"
50 #define FIRMWARE_DIMGREY_CAVEFISH	"amdgpu/dimgrey_cavefish_vcn.bin"
51 #define FIRMWARE_ALDEBARAN	"amdgpu/aldebaran_vcn.bin"
52 #define FIRMWARE_BEIGE_GOBY	"amdgpu/beige_goby_vcn.bin"
53 #define FIRMWARE_YELLOW_CARP	"amdgpu/yellow_carp_vcn.bin"
54 
55 MODULE_FIRMWARE(FIRMWARE_RAVEN);
56 MODULE_FIRMWARE(FIRMWARE_PICASSO);
57 MODULE_FIRMWARE(FIRMWARE_RAVEN2);
58 MODULE_FIRMWARE(FIRMWARE_ARCTURUS);
59 MODULE_FIRMWARE(FIRMWARE_RENOIR);
60 MODULE_FIRMWARE(FIRMWARE_GREEN_SARDINE);
61 MODULE_FIRMWARE(FIRMWARE_ALDEBARAN);
62 MODULE_FIRMWARE(FIRMWARE_NAVI10);
63 MODULE_FIRMWARE(FIRMWARE_NAVI14);
64 MODULE_FIRMWARE(FIRMWARE_NAVI12);
65 MODULE_FIRMWARE(FIRMWARE_SIENNA_CICHLID);
66 MODULE_FIRMWARE(FIRMWARE_NAVY_FLOUNDER);
67 MODULE_FIRMWARE(FIRMWARE_VANGOGH);
68 MODULE_FIRMWARE(FIRMWARE_DIMGREY_CAVEFISH);
69 MODULE_FIRMWARE(FIRMWARE_BEIGE_GOBY);
70 MODULE_FIRMWARE(FIRMWARE_YELLOW_CARP);
71 
72 static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
73 
74 int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
75 {
76 	unsigned long bo_size;
77 	const char *fw_name;
78 	const struct common_firmware_header *hdr;
79 	unsigned char fw_check;
80 	int i, r;
81 
82 	INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
83 	mutex_init(&adev->vcn.vcn_pg_lock);
84 	mutex_init(&adev->vcn.vcn1_jpeg1_workaround);
85 	atomic_set(&adev->vcn.total_submission_cnt, 0);
86 	for (i = 0; i < adev->vcn.num_vcn_inst; i++)
87 		atomic_set(&adev->vcn.inst[i].dpg_enc_submission_cnt, 0);
88 
89 	switch (adev->asic_type) {
90 	case CHIP_RAVEN:
91 		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
92 			fw_name = FIRMWARE_RAVEN2;
93 		else if (adev->apu_flags & AMD_APU_IS_PICASSO)
94 			fw_name = FIRMWARE_PICASSO;
95 		else
96 			fw_name = FIRMWARE_RAVEN;
97 		break;
98 	case CHIP_ARCTURUS:
99 		fw_name = FIRMWARE_ARCTURUS;
100 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
101 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
102 			adev->vcn.indirect_sram = true;
103 		break;
104 	case CHIP_RENOIR:
105 		if (adev->apu_flags & AMD_APU_IS_RENOIR)
106 			fw_name = FIRMWARE_RENOIR;
107 		else
108 			fw_name = FIRMWARE_GREEN_SARDINE;
109 
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_ALDEBARAN:
115 		fw_name = FIRMWARE_ALDEBARAN;
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_NAVI10:
121 		fw_name = FIRMWARE_NAVI10;
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 	case CHIP_NAVI14:
127 		fw_name = FIRMWARE_NAVI14;
128 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
129 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
130 			adev->vcn.indirect_sram = true;
131 		break;
132 	case CHIP_NAVI12:
133 		fw_name = FIRMWARE_NAVI12;
134 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
135 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
136 			adev->vcn.indirect_sram = true;
137 		break;
138 	case CHIP_SIENNA_CICHLID:
139 		fw_name = FIRMWARE_SIENNA_CICHLID;
140 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
141 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
142 			adev->vcn.indirect_sram = true;
143 		break;
144 	case CHIP_NAVY_FLOUNDER:
145 		fw_name = FIRMWARE_NAVY_FLOUNDER;
146 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
147 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
148 			adev->vcn.indirect_sram = true;
149 		break;
150 	case CHIP_VANGOGH:
151 		fw_name = FIRMWARE_VANGOGH;
152 		break;
153 	case CHIP_DIMGREY_CAVEFISH:
154 		fw_name = FIRMWARE_DIMGREY_CAVEFISH;
155 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
156 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
157 			adev->vcn.indirect_sram = true;
158 		break;
159 	case CHIP_BEIGE_GOBY:
160 		fw_name = FIRMWARE_BEIGE_GOBY;
161 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
162 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
163 			adev->vcn.indirect_sram = true;
164 		break;
165 	case CHIP_YELLOW_CARP:
166 		fw_name = FIRMWARE_YELLOW_CARP;
167 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
168 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
169 			adev->vcn.indirect_sram = true;
170 		break;
171 	default:
172 		return -EINVAL;
173 	}
174 
175 	r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
176 	if (r) {
177 		dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n",
178 			fw_name);
179 		return r;
180 	}
181 
182 	r = amdgpu_ucode_validate(adev->vcn.fw);
183 	if (r) {
184 		dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n",
185 			fw_name);
186 		release_firmware(adev->vcn.fw);
187 		adev->vcn.fw = NULL;
188 		return r;
189 	}
190 
191 	hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
192 	adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
193 
194 	/* Bit 20-23, it is encode major and non-zero for new naming convention.
195 	 * This field is part of version minor and DRM_DISABLED_FLAG in old naming
196 	 * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
197 	 * is zero in old naming convention, this field is always zero so far.
198 	 * These four bits are used to tell which naming convention is present.
199 	 */
200 	fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
201 	if (fw_check) {
202 		unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
203 
204 		fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
205 		enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
206 		enc_major = fw_check;
207 		dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
208 		vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
209 		DRM_INFO("Found VCN firmware Version ENC: %u.%u DEC: %u VEP: %u Revision: %u\n",
210 			enc_major, enc_minor, dec_ver, vep, fw_rev);
211 	} else {
212 		unsigned int version_major, version_minor, family_id;
213 
214 		family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
215 		version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
216 		version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
217 		DRM_INFO("Found VCN firmware Version: %u.%u Family ID: %u\n",
218 			version_major, version_minor, family_id);
219 	}
220 
221 	bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
222 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
223 		bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
224 	bo_size += AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
225 
226 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
227 		if (adev->vcn.harvest_config & (1 << i))
228 			continue;
229 
230 		r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
231 						AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].vcpu_bo,
232 						&adev->vcn.inst[i].gpu_addr, &adev->vcn.inst[i].cpu_addr);
233 		if (r) {
234 			dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
235 			return r;
236 		}
237 
238 		adev->vcn.inst[i].fw_shared_cpu_addr = adev->vcn.inst[i].cpu_addr +
239 				bo_size - AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
240 		adev->vcn.inst[i].fw_shared_gpu_addr = adev->vcn.inst[i].gpu_addr +
241 				bo_size - AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
242 
243 		if (adev->vcn.indirect_sram) {
244 			r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
245 					AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].dpg_sram_bo,
246 					&adev->vcn.inst[i].dpg_sram_gpu_addr, &adev->vcn.inst[i].dpg_sram_cpu_addr);
247 			if (r) {
248 				dev_err(adev->dev, "VCN %d (%d) failed to allocate DPG bo\n", i, r);
249 				return r;
250 			}
251 		}
252 	}
253 
254 	return 0;
255 }
256 
257 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
258 {
259 	int i, j;
260 
261 	cancel_delayed_work_sync(&adev->vcn.idle_work);
262 
263 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
264 		if (adev->vcn.harvest_config & (1 << j))
265 			continue;
266 
267 		if (adev->vcn.indirect_sram) {
268 			amdgpu_bo_free_kernel(&adev->vcn.inst[j].dpg_sram_bo,
269 						  &adev->vcn.inst[j].dpg_sram_gpu_addr,
270 						  (void **)&adev->vcn.inst[j].dpg_sram_cpu_addr);
271 		}
272 		kvfree(adev->vcn.inst[j].saved_bo);
273 
274 		amdgpu_bo_free_kernel(&adev->vcn.inst[j].vcpu_bo,
275 					  &adev->vcn.inst[j].gpu_addr,
276 					  (void **)&adev->vcn.inst[j].cpu_addr);
277 
278 		amdgpu_ring_fini(&adev->vcn.inst[j].ring_dec);
279 
280 		for (i = 0; i < adev->vcn.num_enc_rings; ++i)
281 			amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
282 	}
283 
284 	release_firmware(adev->vcn.fw);
285 	mutex_destroy(&adev->vcn.vcn1_jpeg1_workaround);
286 	mutex_destroy(&adev->vcn.vcn_pg_lock);
287 
288 	return 0;
289 }
290 
291 int amdgpu_vcn_suspend(struct amdgpu_device *adev)
292 {
293 	unsigned size;
294 	void *ptr;
295 	int i, idx;
296 
297 	cancel_delayed_work_sync(&adev->vcn.idle_work);
298 
299 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
300 		if (adev->vcn.harvest_config & (1 << i))
301 			continue;
302 		if (adev->vcn.inst[i].vcpu_bo == NULL)
303 			return 0;
304 
305 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
306 		ptr = adev->vcn.inst[i].cpu_addr;
307 
308 		adev->vcn.inst[i].saved_bo = kvmalloc(size, GFP_KERNEL);
309 		if (!adev->vcn.inst[i].saved_bo)
310 			return -ENOMEM;
311 
312 		if (drm_dev_enter(&adev->ddev, &idx)) {
313 			memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
314 			drm_dev_exit(idx);
315 		}
316 	}
317 	return 0;
318 }
319 
320 int amdgpu_vcn_resume(struct amdgpu_device *adev)
321 {
322 	unsigned size;
323 	void *ptr;
324 	int i, idx;
325 
326 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
327 		if (adev->vcn.harvest_config & (1 << i))
328 			continue;
329 		if (adev->vcn.inst[i].vcpu_bo == NULL)
330 			return -EINVAL;
331 
332 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
333 		ptr = adev->vcn.inst[i].cpu_addr;
334 
335 		if (adev->vcn.inst[i].saved_bo != NULL) {
336 			if (drm_dev_enter(&adev->ddev, &idx)) {
337 				memcpy_toio(ptr, adev->vcn.inst[i].saved_bo, size);
338 				drm_dev_exit(idx);
339 			}
340 			kvfree(adev->vcn.inst[i].saved_bo);
341 			adev->vcn.inst[i].saved_bo = NULL;
342 		} else {
343 			const struct common_firmware_header *hdr;
344 			unsigned offset;
345 
346 			hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
347 			if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
348 				offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
349 				if (drm_dev_enter(&adev->ddev, &idx)) {
350 					memcpy_toio(adev->vcn.inst[i].cpu_addr, adev->vcn.fw->data + offset,
351 						    le32_to_cpu(hdr->ucode_size_bytes));
352 					drm_dev_exit(idx);
353 				}
354 				size -= le32_to_cpu(hdr->ucode_size_bytes);
355 				ptr += le32_to_cpu(hdr->ucode_size_bytes);
356 			}
357 			memset_io(ptr, 0, size);
358 		}
359 	}
360 	return 0;
361 }
362 
363 static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
364 {
365 	struct amdgpu_device *adev =
366 		container_of(work, struct amdgpu_device, vcn.idle_work.work);
367 	unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
368 	unsigned int i, j;
369 	int r = 0;
370 
371 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
372 		if (adev->vcn.harvest_config & (1 << j))
373 			continue;
374 
375 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
376 			fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
377 		}
378 
379 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
380 			struct dpg_pause_state new_state;
381 
382 			if (fence[j] ||
383 				unlikely(atomic_read(&adev->vcn.inst[j].dpg_enc_submission_cnt)))
384 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
385 			else
386 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
387 
388 			adev->vcn.pause_dpg_mode(adev, j, &new_state);
389 		}
390 
391 		fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
392 		fences += fence[j];
393 	}
394 
395 	if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
396 		amdgpu_gfx_off_ctrl(adev, true);
397 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
398 		       AMD_PG_STATE_GATE);
399 		r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
400 				false);
401 		if (r)
402 			dev_warn(adev->dev, "(%d) failed to disable video power profile mode\n", r);
403 	} else {
404 		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
405 	}
406 }
407 
408 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
409 {
410 	struct amdgpu_device *adev = ring->adev;
411 	int r = 0;
412 
413 	atomic_inc(&adev->vcn.total_submission_cnt);
414 
415 	if (!cancel_delayed_work_sync(&adev->vcn.idle_work)) {
416 		amdgpu_gfx_off_ctrl(adev, false);
417 		r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
418 				true);
419 		if (r)
420 			dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r);
421 	}
422 
423 	mutex_lock(&adev->vcn.vcn_pg_lock);
424 	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
425 	       AMD_PG_STATE_UNGATE);
426 
427 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
428 		struct dpg_pause_state new_state;
429 
430 		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
431 			atomic_inc(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
432 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
433 		} else {
434 			unsigned int fences = 0;
435 			unsigned int i;
436 
437 			for (i = 0; i < adev->vcn.num_enc_rings; ++i)
438 				fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
439 
440 			if (fences || atomic_read(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt))
441 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
442 			else
443 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
444 		}
445 
446 		adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
447 	}
448 	mutex_unlock(&adev->vcn.vcn_pg_lock);
449 }
450 
451 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
452 {
453 	if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
454 		ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
455 		atomic_dec(&ring->adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
456 
457 	atomic_dec(&ring->adev->vcn.total_submission_cnt);
458 
459 	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
460 }
461 
462 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
463 {
464 	struct amdgpu_device *adev = ring->adev;
465 	uint32_t tmp = 0;
466 	unsigned i;
467 	int r;
468 
469 	/* VCN in SRIOV does not support direct register read/write */
470 	if (amdgpu_sriov_vf(adev))
471 		return 0;
472 
473 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
474 	r = amdgpu_ring_alloc(ring, 3);
475 	if (r)
476 		return r;
477 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
478 	amdgpu_ring_write(ring, 0xDEADBEEF);
479 	amdgpu_ring_commit(ring);
480 	for (i = 0; i < adev->usec_timeout; i++) {
481 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
482 		if (tmp == 0xDEADBEEF)
483 			break;
484 		udelay(1);
485 	}
486 
487 	if (i >= adev->usec_timeout)
488 		r = -ETIMEDOUT;
489 
490 	return r;
491 }
492 
493 int amdgpu_vcn_dec_sw_ring_test_ring(struct amdgpu_ring *ring)
494 {
495 	struct amdgpu_device *adev = ring->adev;
496 	uint32_t rptr;
497 	unsigned int i;
498 	int r;
499 
500 	if (amdgpu_sriov_vf(adev))
501 		return 0;
502 
503 	r = amdgpu_ring_alloc(ring, 16);
504 	if (r)
505 		return r;
506 
507 	rptr = amdgpu_ring_get_rptr(ring);
508 
509 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
510 	amdgpu_ring_commit(ring);
511 
512 	for (i = 0; i < adev->usec_timeout; i++) {
513 		if (amdgpu_ring_get_rptr(ring) != rptr)
514 			break;
515 		udelay(1);
516 	}
517 
518 	if (i >= adev->usec_timeout)
519 		r = -ETIMEDOUT;
520 
521 	return r;
522 }
523 
524 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
525 				   struct amdgpu_bo *bo,
526 				   struct dma_fence **fence)
527 {
528 	struct amdgpu_device *adev = ring->adev;
529 	struct dma_fence *f = NULL;
530 	struct amdgpu_job *job;
531 	struct amdgpu_ib *ib;
532 	uint64_t addr;
533 	void *msg = NULL;
534 	int i, r;
535 
536 	r = amdgpu_job_alloc_with_ib(adev, 64,
537 					AMDGPU_IB_POOL_DIRECT, &job);
538 	if (r)
539 		goto err;
540 
541 	ib = &job->ibs[0];
542 	addr = amdgpu_bo_gpu_offset(bo);
543 	msg = amdgpu_bo_kptr(bo);
544 	ib->ptr[0] = PACKET0(adev->vcn.internal.data0, 0);
545 	ib->ptr[1] = addr;
546 	ib->ptr[2] = PACKET0(adev->vcn.internal.data1, 0);
547 	ib->ptr[3] = addr >> 32;
548 	ib->ptr[4] = PACKET0(adev->vcn.internal.cmd, 0);
549 	ib->ptr[5] = 0;
550 	for (i = 6; i < 16; i += 2) {
551 		ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
552 		ib->ptr[i+1] = 0;
553 	}
554 	ib->length_dw = 16;
555 
556 	r = amdgpu_job_submit_direct(job, ring, &f);
557 	if (r)
558 		goto err_free;
559 
560 	amdgpu_bo_fence(bo, f, false);
561 	amdgpu_bo_unreserve(bo);
562 	amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
563 
564 	if (fence)
565 		*fence = dma_fence_get(f);
566 	dma_fence_put(f);
567 
568 	return 0;
569 
570 err_free:
571 	amdgpu_job_free(job);
572 
573 err:
574 	amdgpu_bo_unreserve(bo);
575 	amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
576 	return r;
577 }
578 
579 static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
580 					 struct amdgpu_bo **bo)
581 {
582 	struct amdgpu_device *adev = ring->adev;
583 	uint32_t *msg;
584 	int r, i;
585 
586 	*bo = NULL;
587 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
588 				      AMDGPU_GEM_DOMAIN_VRAM,
589 				      bo, NULL, (void **)&msg);
590 	if (r)
591 		return r;
592 
593 	msg[0] = cpu_to_le32(0x00000028);
594 	msg[1] = cpu_to_le32(0x00000038);
595 	msg[2] = cpu_to_le32(0x00000001);
596 	msg[3] = cpu_to_le32(0x00000000);
597 	msg[4] = cpu_to_le32(handle);
598 	msg[5] = cpu_to_le32(0x00000000);
599 	msg[6] = cpu_to_le32(0x00000001);
600 	msg[7] = cpu_to_le32(0x00000028);
601 	msg[8] = cpu_to_le32(0x00000010);
602 	msg[9] = cpu_to_le32(0x00000000);
603 	msg[10] = cpu_to_le32(0x00000007);
604 	msg[11] = cpu_to_le32(0x00000000);
605 	msg[12] = cpu_to_le32(0x00000780);
606 	msg[13] = cpu_to_le32(0x00000440);
607 	for (i = 14; i < 1024; ++i)
608 		msg[i] = cpu_to_le32(0x0);
609 
610 	return 0;
611 }
612 
613 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
614 					  struct amdgpu_bo **bo)
615 {
616 	struct amdgpu_device *adev = ring->adev;
617 	uint32_t *msg;
618 	int r, i;
619 
620 	*bo = NULL;
621 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
622 				      AMDGPU_GEM_DOMAIN_VRAM,
623 				      bo, NULL, (void **)&msg);
624 	if (r)
625 		return r;
626 
627 	msg[0] = cpu_to_le32(0x00000028);
628 	msg[1] = cpu_to_le32(0x00000018);
629 	msg[2] = cpu_to_le32(0x00000000);
630 	msg[3] = cpu_to_le32(0x00000002);
631 	msg[4] = cpu_to_le32(handle);
632 	msg[5] = cpu_to_le32(0x00000000);
633 	for (i = 6; i < 1024; ++i)
634 		msg[i] = cpu_to_le32(0x0);
635 
636 	return 0;
637 }
638 
639 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
640 {
641 	struct dma_fence *fence = NULL;
642 	struct amdgpu_bo *bo;
643 	long r;
644 
645 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, &bo);
646 	if (r)
647 		goto error;
648 
649 	r = amdgpu_vcn_dec_send_msg(ring, bo, NULL);
650 	if (r)
651 		goto error;
652 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &bo);
653 	if (r)
654 		goto error;
655 
656 	r = amdgpu_vcn_dec_send_msg(ring, bo, &fence);
657 	if (r)
658 		goto error;
659 
660 	r = dma_fence_wait_timeout(fence, false, timeout);
661 	if (r == 0)
662 		r = -ETIMEDOUT;
663 	else if (r > 0)
664 		r = 0;
665 
666 	dma_fence_put(fence);
667 error:
668 	return r;
669 }
670 
671 static int amdgpu_vcn_dec_sw_send_msg(struct amdgpu_ring *ring,
672 				   struct amdgpu_bo *bo,
673 				   struct dma_fence **fence)
674 {
675 	struct amdgpu_vcn_decode_buffer *decode_buffer = NULL;
676 	const unsigned int ib_size_dw = 64;
677 	struct amdgpu_device *adev = ring->adev;
678 	struct dma_fence *f = NULL;
679 	struct amdgpu_job *job;
680 	struct amdgpu_ib *ib;
681 	uint64_t addr;
682 	int i, r;
683 
684 	r = amdgpu_job_alloc_with_ib(adev, ib_size_dw * 4,
685 				AMDGPU_IB_POOL_DIRECT, &job);
686 	if (r)
687 		goto err;
688 
689 	ib = &job->ibs[0];
690 	addr = amdgpu_bo_gpu_offset(bo);
691 	ib->length_dw = 0;
692 
693 	ib->ptr[ib->length_dw++] = sizeof(struct amdgpu_vcn_decode_buffer) + 8;
694 	ib->ptr[ib->length_dw++] = cpu_to_le32(AMDGPU_VCN_IB_FLAG_DECODE_BUFFER);
695 	decode_buffer = (struct amdgpu_vcn_decode_buffer *)&(ib->ptr[ib->length_dw]);
696 	ib->length_dw += sizeof(struct amdgpu_vcn_decode_buffer) / 4;
697 	memset(decode_buffer, 0, sizeof(struct amdgpu_vcn_decode_buffer));
698 
699 	decode_buffer->valid_buf_flag |= cpu_to_le32(AMDGPU_VCN_CMD_FLAG_MSG_BUFFER);
700 	decode_buffer->msg_buffer_address_hi = cpu_to_le32(addr >> 32);
701 	decode_buffer->msg_buffer_address_lo = cpu_to_le32(addr);
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_free;
709 
710 	amdgpu_bo_fence(bo, f, false);
711 	amdgpu_bo_unreserve(bo);
712 	amdgpu_bo_unref(&bo);
713 
714 	if (fence)
715 		*fence = dma_fence_get(f);
716 	dma_fence_put(f);
717 
718 	return 0;
719 
720 err_free:
721 	amdgpu_job_free(job);
722 
723 err:
724 	amdgpu_bo_unreserve(bo);
725 	amdgpu_bo_unref(&bo);
726 	return r;
727 }
728 
729 int amdgpu_vcn_dec_sw_ring_test_ib(struct amdgpu_ring *ring, long timeout)
730 {
731 	struct dma_fence *fence = NULL;
732 	struct amdgpu_bo *bo;
733 	long r;
734 
735 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, &bo);
736 	if (r)
737 		goto error;
738 
739 	r = amdgpu_vcn_dec_sw_send_msg(ring, bo, NULL);
740 	if (r)
741 		goto error;
742 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &bo);
743 	if (r)
744 		goto error;
745 
746 	r = amdgpu_vcn_dec_sw_send_msg(ring, bo, &fence);
747 	if (r)
748 		goto error;
749 
750 	r = dma_fence_wait_timeout(fence, false, timeout);
751 	if (r == 0)
752 		r = -ETIMEDOUT;
753 	else if (r > 0)
754 		r = 0;
755 
756 	dma_fence_put(fence);
757 error:
758 	return r;
759 }
760 
761 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
762 {
763 	struct amdgpu_device *adev = ring->adev;
764 	uint32_t rptr;
765 	unsigned i;
766 	int r;
767 
768 	if (amdgpu_sriov_vf(adev))
769 		return 0;
770 
771 	r = amdgpu_ring_alloc(ring, 16);
772 	if (r)
773 		return r;
774 
775 	rptr = amdgpu_ring_get_rptr(ring);
776 
777 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
778 	amdgpu_ring_commit(ring);
779 
780 	for (i = 0; i < adev->usec_timeout; i++) {
781 		if (amdgpu_ring_get_rptr(ring) != rptr)
782 			break;
783 		udelay(1);
784 	}
785 
786 	if (i >= adev->usec_timeout)
787 		r = -ETIMEDOUT;
788 
789 	return r;
790 }
791 
792 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
793 					 struct amdgpu_bo *bo,
794 					 struct dma_fence **fence)
795 {
796 	const unsigned ib_size_dw = 16;
797 	struct amdgpu_job *job;
798 	struct amdgpu_ib *ib;
799 	struct dma_fence *f = NULL;
800 	uint64_t addr;
801 	int i, r;
802 
803 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
804 					AMDGPU_IB_POOL_DIRECT, &job);
805 	if (r)
806 		return r;
807 
808 	ib = &job->ibs[0];
809 	addr = amdgpu_bo_gpu_offset(bo);
810 
811 	ib->length_dw = 0;
812 	ib->ptr[ib->length_dw++] = 0x00000018;
813 	ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
814 	ib->ptr[ib->length_dw++] = handle;
815 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
816 	ib->ptr[ib->length_dw++] = addr;
817 	ib->ptr[ib->length_dw++] = 0x0000000b;
818 
819 	ib->ptr[ib->length_dw++] = 0x00000014;
820 	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
821 	ib->ptr[ib->length_dw++] = 0x0000001c;
822 	ib->ptr[ib->length_dw++] = 0x00000000;
823 	ib->ptr[ib->length_dw++] = 0x00000000;
824 
825 	ib->ptr[ib->length_dw++] = 0x00000008;
826 	ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
827 
828 	for (i = ib->length_dw; i < ib_size_dw; ++i)
829 		ib->ptr[i] = 0x0;
830 
831 	r = amdgpu_job_submit_direct(job, ring, &f);
832 	if (r)
833 		goto err;
834 
835 	if (fence)
836 		*fence = dma_fence_get(f);
837 	dma_fence_put(f);
838 
839 	return 0;
840 
841 err:
842 	amdgpu_job_free(job);
843 	return r;
844 }
845 
846 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
847 					  struct amdgpu_bo *bo,
848 					  struct dma_fence **fence)
849 {
850 	const unsigned ib_size_dw = 16;
851 	struct amdgpu_job *job;
852 	struct amdgpu_ib *ib;
853 	struct dma_fence *f = NULL;
854 	uint64_t addr;
855 	int i, r;
856 
857 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
858 					AMDGPU_IB_POOL_DIRECT, &job);
859 	if (r)
860 		return r;
861 
862 	ib = &job->ibs[0];
863 	addr = amdgpu_bo_gpu_offset(bo);
864 
865 	ib->length_dw = 0;
866 	ib->ptr[ib->length_dw++] = 0x00000018;
867 	ib->ptr[ib->length_dw++] = 0x00000001;
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;
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++] = 0x08000002; /* op close session */
881 
882 	for (i = ib->length_dw; i < ib_size_dw; ++i)
883 		ib->ptr[i] = 0x0;
884 
885 	r = amdgpu_job_submit_direct(job, ring, &f);
886 	if (r)
887 		goto err;
888 
889 	if (fence)
890 		*fence = dma_fence_get(f);
891 	dma_fence_put(f);
892 
893 	return 0;
894 
895 err:
896 	amdgpu_job_free(job);
897 	return r;
898 }
899 
900 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
901 {
902 	struct dma_fence *fence = NULL;
903 	struct amdgpu_bo *bo = NULL;
904 	long r;
905 
906 	r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE,
907 				      AMDGPU_GEM_DOMAIN_VRAM,
908 				      &bo, NULL, NULL);
909 	if (r)
910 		return r;
911 
912 	r = amdgpu_vcn_enc_get_create_msg(ring, 1, bo, NULL);
913 	if (r)
914 		goto error;
915 
916 	r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, bo, &fence);
917 	if (r)
918 		goto error;
919 
920 	r = dma_fence_wait_timeout(fence, false, timeout);
921 	if (r == 0)
922 		r = -ETIMEDOUT;
923 	else if (r > 0)
924 		r = 0;
925 
926 error:
927 	dma_fence_put(fence);
928 	amdgpu_bo_unreserve(bo);
929 	amdgpu_bo_free_kernel(&bo, NULL, NULL);
930 
931 	return r;
932 }
933