xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c (revision 79e93d0a74e7fb6bee5674b1d59a324c22a6338b)
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_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
397 		       AMD_PG_STATE_GATE);
398 		r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
399 				false);
400 		if (r)
401 			dev_warn(adev->dev, "(%d) failed to disable video power profile mode\n", r);
402 	} else {
403 		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
404 	}
405 }
406 
407 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
408 {
409 	struct amdgpu_device *adev = ring->adev;
410 	int r = 0;
411 
412 	atomic_inc(&adev->vcn.total_submission_cnt);
413 
414 	if (!cancel_delayed_work_sync(&adev->vcn.idle_work)) {
415 		r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
416 				true);
417 		if (r)
418 			dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r);
419 	}
420 
421 	mutex_lock(&adev->vcn.vcn_pg_lock);
422 	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
423 	       AMD_PG_STATE_UNGATE);
424 
425 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
426 		struct dpg_pause_state new_state;
427 
428 		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
429 			atomic_inc(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
430 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
431 		} else {
432 			unsigned int fences = 0;
433 			unsigned int i;
434 
435 			for (i = 0; i < adev->vcn.num_enc_rings; ++i)
436 				fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
437 
438 			if (fences || atomic_read(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt))
439 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
440 			else
441 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
442 		}
443 
444 		adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
445 	}
446 	mutex_unlock(&adev->vcn.vcn_pg_lock);
447 }
448 
449 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
450 {
451 	if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
452 		ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
453 		atomic_dec(&ring->adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
454 
455 	atomic_dec(&ring->adev->vcn.total_submission_cnt);
456 
457 	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
458 }
459 
460 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
461 {
462 	struct amdgpu_device *adev = ring->adev;
463 	uint32_t tmp = 0;
464 	unsigned i;
465 	int r;
466 
467 	/* VCN in SRIOV does not support direct register read/write */
468 	if (amdgpu_sriov_vf(adev))
469 		return 0;
470 
471 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
472 	r = amdgpu_ring_alloc(ring, 3);
473 	if (r)
474 		return r;
475 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
476 	amdgpu_ring_write(ring, 0xDEADBEEF);
477 	amdgpu_ring_commit(ring);
478 	for (i = 0; i < adev->usec_timeout; i++) {
479 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
480 		if (tmp == 0xDEADBEEF)
481 			break;
482 		udelay(1);
483 	}
484 
485 	if (i >= adev->usec_timeout)
486 		r = -ETIMEDOUT;
487 
488 	return r;
489 }
490 
491 int amdgpu_vcn_dec_sw_ring_test_ring(struct amdgpu_ring *ring)
492 {
493 	struct amdgpu_device *adev = ring->adev;
494 	uint32_t rptr;
495 	unsigned int i;
496 	int r;
497 
498 	if (amdgpu_sriov_vf(adev))
499 		return 0;
500 
501 	r = amdgpu_ring_alloc(ring, 16);
502 	if (r)
503 		return r;
504 
505 	rptr = amdgpu_ring_get_rptr(ring);
506 
507 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
508 	amdgpu_ring_commit(ring);
509 
510 	for (i = 0; i < adev->usec_timeout; i++) {
511 		if (amdgpu_ring_get_rptr(ring) != rptr)
512 			break;
513 		udelay(1);
514 	}
515 
516 	if (i >= adev->usec_timeout)
517 		r = -ETIMEDOUT;
518 
519 	return r;
520 }
521 
522 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
523 				   struct amdgpu_bo *bo,
524 				   struct dma_fence **fence)
525 {
526 	struct amdgpu_device *adev = ring->adev;
527 	struct dma_fence *f = NULL;
528 	struct amdgpu_job *job;
529 	struct amdgpu_ib *ib;
530 	uint64_t addr;
531 	void *msg = NULL;
532 	int i, r;
533 
534 	r = amdgpu_job_alloc_with_ib(adev, 64,
535 					AMDGPU_IB_POOL_DIRECT, &job);
536 	if (r)
537 		goto err;
538 
539 	ib = &job->ibs[0];
540 	addr = amdgpu_bo_gpu_offset(bo);
541 	msg = amdgpu_bo_kptr(bo);
542 	ib->ptr[0] = PACKET0(adev->vcn.internal.data0, 0);
543 	ib->ptr[1] = addr;
544 	ib->ptr[2] = PACKET0(adev->vcn.internal.data1, 0);
545 	ib->ptr[3] = addr >> 32;
546 	ib->ptr[4] = PACKET0(adev->vcn.internal.cmd, 0);
547 	ib->ptr[5] = 0;
548 	for (i = 6; i < 16; i += 2) {
549 		ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
550 		ib->ptr[i+1] = 0;
551 	}
552 	ib->length_dw = 16;
553 
554 	r = amdgpu_job_submit_direct(job, ring, &f);
555 	if (r)
556 		goto err_free;
557 
558 	amdgpu_bo_fence(bo, f, false);
559 	amdgpu_bo_unreserve(bo);
560 	amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
561 
562 	if (fence)
563 		*fence = dma_fence_get(f);
564 	dma_fence_put(f);
565 
566 	return 0;
567 
568 err_free:
569 	amdgpu_job_free(job);
570 
571 err:
572 	amdgpu_bo_unreserve(bo);
573 	amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
574 	return r;
575 }
576 
577 static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
578 					 struct amdgpu_bo **bo)
579 {
580 	struct amdgpu_device *adev = ring->adev;
581 	uint32_t *msg;
582 	int r, i;
583 
584 	*bo = NULL;
585 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
586 				      AMDGPU_GEM_DOMAIN_VRAM,
587 				      bo, NULL, (void **)&msg);
588 	if (r)
589 		return r;
590 
591 	msg[0] = cpu_to_le32(0x00000028);
592 	msg[1] = cpu_to_le32(0x00000038);
593 	msg[2] = cpu_to_le32(0x00000001);
594 	msg[3] = cpu_to_le32(0x00000000);
595 	msg[4] = cpu_to_le32(handle);
596 	msg[5] = cpu_to_le32(0x00000000);
597 	msg[6] = cpu_to_le32(0x00000001);
598 	msg[7] = cpu_to_le32(0x00000028);
599 	msg[8] = cpu_to_le32(0x00000010);
600 	msg[9] = cpu_to_le32(0x00000000);
601 	msg[10] = cpu_to_le32(0x00000007);
602 	msg[11] = cpu_to_le32(0x00000000);
603 	msg[12] = cpu_to_le32(0x00000780);
604 	msg[13] = cpu_to_le32(0x00000440);
605 	for (i = 14; i < 1024; ++i)
606 		msg[i] = cpu_to_le32(0x0);
607 
608 	return 0;
609 }
610 
611 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
612 					  struct amdgpu_bo **bo)
613 {
614 	struct amdgpu_device *adev = ring->adev;
615 	uint32_t *msg;
616 	int r, i;
617 
618 	*bo = NULL;
619 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
620 				      AMDGPU_GEM_DOMAIN_VRAM,
621 				      bo, NULL, (void **)&msg);
622 	if (r)
623 		return r;
624 
625 	msg[0] = cpu_to_le32(0x00000028);
626 	msg[1] = cpu_to_le32(0x00000018);
627 	msg[2] = cpu_to_le32(0x00000000);
628 	msg[3] = cpu_to_le32(0x00000002);
629 	msg[4] = cpu_to_le32(handle);
630 	msg[5] = cpu_to_le32(0x00000000);
631 	for (i = 6; i < 1024; ++i)
632 		msg[i] = cpu_to_le32(0x0);
633 
634 	return 0;
635 }
636 
637 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
638 {
639 	struct dma_fence *fence = NULL;
640 	struct amdgpu_bo *bo;
641 	long r;
642 
643 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, &bo);
644 	if (r)
645 		goto error;
646 
647 	r = amdgpu_vcn_dec_send_msg(ring, bo, NULL);
648 	if (r)
649 		goto error;
650 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &bo);
651 	if (r)
652 		goto error;
653 
654 	r = amdgpu_vcn_dec_send_msg(ring, bo, &fence);
655 	if (r)
656 		goto error;
657 
658 	r = dma_fence_wait_timeout(fence, false, timeout);
659 	if (r == 0)
660 		r = -ETIMEDOUT;
661 	else if (r > 0)
662 		r = 0;
663 
664 	dma_fence_put(fence);
665 error:
666 	return r;
667 }
668 
669 static int amdgpu_vcn_dec_sw_send_msg(struct amdgpu_ring *ring,
670 				   struct amdgpu_bo *bo,
671 				   struct dma_fence **fence)
672 {
673 	struct amdgpu_vcn_decode_buffer *decode_buffer = NULL;
674 	const unsigned int ib_size_dw = 64;
675 	struct amdgpu_device *adev = ring->adev;
676 	struct dma_fence *f = NULL;
677 	struct amdgpu_job *job;
678 	struct amdgpu_ib *ib;
679 	uint64_t addr;
680 	int i, r;
681 
682 	r = amdgpu_job_alloc_with_ib(adev, ib_size_dw * 4,
683 				AMDGPU_IB_POOL_DIRECT, &job);
684 	if (r)
685 		goto err;
686 
687 	ib = &job->ibs[0];
688 	addr = amdgpu_bo_gpu_offset(bo);
689 	ib->length_dw = 0;
690 
691 	ib->ptr[ib->length_dw++] = sizeof(struct amdgpu_vcn_decode_buffer) + 8;
692 	ib->ptr[ib->length_dw++] = cpu_to_le32(AMDGPU_VCN_IB_FLAG_DECODE_BUFFER);
693 	decode_buffer = (struct amdgpu_vcn_decode_buffer *)&(ib->ptr[ib->length_dw]);
694 	ib->length_dw += sizeof(struct amdgpu_vcn_decode_buffer) / 4;
695 	memset(decode_buffer, 0, sizeof(struct amdgpu_vcn_decode_buffer));
696 
697 	decode_buffer->valid_buf_flag |= cpu_to_le32(AMDGPU_VCN_CMD_FLAG_MSG_BUFFER);
698 	decode_buffer->msg_buffer_address_hi = cpu_to_le32(addr >> 32);
699 	decode_buffer->msg_buffer_address_lo = cpu_to_le32(addr);
700 
701 	for (i = ib->length_dw; i < ib_size_dw; ++i)
702 		ib->ptr[i] = 0x0;
703 
704 	r = amdgpu_job_submit_direct(job, ring, &f);
705 	if (r)
706 		goto err_free;
707 
708 	amdgpu_bo_fence(bo, f, false);
709 	amdgpu_bo_unreserve(bo);
710 	amdgpu_bo_unref(&bo);
711 
712 	if (fence)
713 		*fence = dma_fence_get(f);
714 	dma_fence_put(f);
715 
716 	return 0;
717 
718 err_free:
719 	amdgpu_job_free(job);
720 
721 err:
722 	amdgpu_bo_unreserve(bo);
723 	amdgpu_bo_unref(&bo);
724 	return r;
725 }
726 
727 int amdgpu_vcn_dec_sw_ring_test_ib(struct amdgpu_ring *ring, long timeout)
728 {
729 	struct dma_fence *fence = NULL;
730 	struct amdgpu_bo *bo;
731 	long r;
732 
733 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, &bo);
734 	if (r)
735 		goto error;
736 
737 	r = amdgpu_vcn_dec_sw_send_msg(ring, bo, NULL);
738 	if (r)
739 		goto error;
740 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &bo);
741 	if (r)
742 		goto error;
743 
744 	r = amdgpu_vcn_dec_sw_send_msg(ring, bo, &fence);
745 	if (r)
746 		goto error;
747 
748 	r = dma_fence_wait_timeout(fence, false, timeout);
749 	if (r == 0)
750 		r = -ETIMEDOUT;
751 	else if (r > 0)
752 		r = 0;
753 
754 	dma_fence_put(fence);
755 error:
756 	return r;
757 }
758 
759 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
760 {
761 	struct amdgpu_device *adev = ring->adev;
762 	uint32_t rptr;
763 	unsigned i;
764 	int r;
765 
766 	if (amdgpu_sriov_vf(adev))
767 		return 0;
768 
769 	r = amdgpu_ring_alloc(ring, 16);
770 	if (r)
771 		return r;
772 
773 	rptr = amdgpu_ring_get_rptr(ring);
774 
775 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
776 	amdgpu_ring_commit(ring);
777 
778 	for (i = 0; i < adev->usec_timeout; i++) {
779 		if (amdgpu_ring_get_rptr(ring) != rptr)
780 			break;
781 		udelay(1);
782 	}
783 
784 	if (i >= adev->usec_timeout)
785 		r = -ETIMEDOUT;
786 
787 	return r;
788 }
789 
790 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
791 					 struct amdgpu_bo *bo,
792 					 struct dma_fence **fence)
793 {
794 	const unsigned ib_size_dw = 16;
795 	struct amdgpu_job *job;
796 	struct amdgpu_ib *ib;
797 	struct dma_fence *f = NULL;
798 	uint64_t addr;
799 	int i, r;
800 
801 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
802 					AMDGPU_IB_POOL_DIRECT, &job);
803 	if (r)
804 		return r;
805 
806 	ib = &job->ibs[0];
807 	addr = amdgpu_bo_gpu_offset(bo);
808 
809 	ib->length_dw = 0;
810 	ib->ptr[ib->length_dw++] = 0x00000018;
811 	ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
812 	ib->ptr[ib->length_dw++] = handle;
813 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
814 	ib->ptr[ib->length_dw++] = addr;
815 	ib->ptr[ib->length_dw++] = 0x0000000b;
816 
817 	ib->ptr[ib->length_dw++] = 0x00000014;
818 	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
819 	ib->ptr[ib->length_dw++] = 0x0000001c;
820 	ib->ptr[ib->length_dw++] = 0x00000000;
821 	ib->ptr[ib->length_dw++] = 0x00000000;
822 
823 	ib->ptr[ib->length_dw++] = 0x00000008;
824 	ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
825 
826 	for (i = ib->length_dw; i < ib_size_dw; ++i)
827 		ib->ptr[i] = 0x0;
828 
829 	r = amdgpu_job_submit_direct(job, ring, &f);
830 	if (r)
831 		goto err;
832 
833 	if (fence)
834 		*fence = dma_fence_get(f);
835 	dma_fence_put(f);
836 
837 	return 0;
838 
839 err:
840 	amdgpu_job_free(job);
841 	return r;
842 }
843 
844 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
845 					  struct amdgpu_bo *bo,
846 					  struct dma_fence **fence)
847 {
848 	const unsigned ib_size_dw = 16;
849 	struct amdgpu_job *job;
850 	struct amdgpu_ib *ib;
851 	struct dma_fence *f = NULL;
852 	uint64_t addr;
853 	int i, r;
854 
855 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
856 					AMDGPU_IB_POOL_DIRECT, &job);
857 	if (r)
858 		return r;
859 
860 	ib = &job->ibs[0];
861 	addr = amdgpu_bo_gpu_offset(bo);
862 
863 	ib->length_dw = 0;
864 	ib->ptr[ib->length_dw++] = 0x00000018;
865 	ib->ptr[ib->length_dw++] = 0x00000001;
866 	ib->ptr[ib->length_dw++] = handle;
867 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
868 	ib->ptr[ib->length_dw++] = addr;
869 	ib->ptr[ib->length_dw++] = 0x0000000b;
870 
871 	ib->ptr[ib->length_dw++] = 0x00000014;
872 	ib->ptr[ib->length_dw++] = 0x00000002;
873 	ib->ptr[ib->length_dw++] = 0x0000001c;
874 	ib->ptr[ib->length_dw++] = 0x00000000;
875 	ib->ptr[ib->length_dw++] = 0x00000000;
876 
877 	ib->ptr[ib->length_dw++] = 0x00000008;
878 	ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
879 
880 	for (i = ib->length_dw; i < ib_size_dw; ++i)
881 		ib->ptr[i] = 0x0;
882 
883 	r = amdgpu_job_submit_direct(job, ring, &f);
884 	if (r)
885 		goto err;
886 
887 	if (fence)
888 		*fence = dma_fence_get(f);
889 	dma_fence_put(f);
890 
891 	return 0;
892 
893 err:
894 	amdgpu_job_free(job);
895 	return r;
896 }
897 
898 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
899 {
900 	struct dma_fence *fence = NULL;
901 	struct amdgpu_bo *bo = NULL;
902 	long r;
903 
904 	r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE,
905 				      AMDGPU_GEM_DOMAIN_VRAM,
906 				      &bo, NULL, NULL);
907 	if (r)
908 		return r;
909 
910 	r = amdgpu_vcn_enc_get_create_msg(ring, 1, bo, NULL);
911 	if (r)
912 		goto error;
913 
914 	r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, bo, &fence);
915 	if (r)
916 		goto error;
917 
918 	r = dma_fence_wait_timeout(fence, false, timeout);
919 	if (r == 0)
920 		r = -ETIMEDOUT;
921 	else if (r > 0)
922 		r = 0;
923 
924 error:
925 	dma_fence_put(fence);
926 	amdgpu_bo_unreserve(bo);
927 	amdgpu_bo_free_kernel(&bo, NULL, NULL);
928 
929 	return r;
930 }
931