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 bool amdgpu_vcn_is_disabled_vcn(struct amdgpu_device *adev, enum vcn_ring_type type, uint32_t vcn_instance)
292 {
293 	bool ret = false;
294 
295 	int major;
296 	int minor;
297 	int revision;
298 
299 	/* if cannot find IP data, then this VCN does not exist */
300 	if (amdgpu_discovery_get_vcn_version(adev, vcn_instance, &major, &minor, &revision) != 0)
301 		return true;
302 
303 	if ((type == VCN_ENCODE_RING) && (revision & VCN_BLOCK_ENCODE_DISABLE_MASK)) {
304 		ret = true;
305 	} else if ((type == VCN_DECODE_RING) && (revision & VCN_BLOCK_DECODE_DISABLE_MASK)) {
306 		ret = true;
307 	} else if ((type == VCN_UNIFIED_RING) && (revision & VCN_BLOCK_QUEUE_DISABLE_MASK)) {
308 		ret = true;
309 	}
310 
311 	return ret;
312 }
313 
314 int amdgpu_vcn_suspend(struct amdgpu_device *adev)
315 {
316 	unsigned size;
317 	void *ptr;
318 	int i, idx;
319 
320 	cancel_delayed_work_sync(&adev->vcn.idle_work);
321 
322 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
323 		if (adev->vcn.harvest_config & (1 << i))
324 			continue;
325 		if (adev->vcn.inst[i].vcpu_bo == NULL)
326 			return 0;
327 
328 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
329 		ptr = adev->vcn.inst[i].cpu_addr;
330 
331 		adev->vcn.inst[i].saved_bo = kvmalloc(size, GFP_KERNEL);
332 		if (!adev->vcn.inst[i].saved_bo)
333 			return -ENOMEM;
334 
335 		if (drm_dev_enter(&adev->ddev, &idx)) {
336 			memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
337 			drm_dev_exit(idx);
338 		}
339 	}
340 	return 0;
341 }
342 
343 int amdgpu_vcn_resume(struct amdgpu_device *adev)
344 {
345 	unsigned size;
346 	void *ptr;
347 	int i, idx;
348 
349 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
350 		if (adev->vcn.harvest_config & (1 << i))
351 			continue;
352 		if (adev->vcn.inst[i].vcpu_bo == NULL)
353 			return -EINVAL;
354 
355 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
356 		ptr = adev->vcn.inst[i].cpu_addr;
357 
358 		if (adev->vcn.inst[i].saved_bo != NULL) {
359 			if (drm_dev_enter(&adev->ddev, &idx)) {
360 				memcpy_toio(ptr, adev->vcn.inst[i].saved_bo, size);
361 				drm_dev_exit(idx);
362 			}
363 			kvfree(adev->vcn.inst[i].saved_bo);
364 			adev->vcn.inst[i].saved_bo = NULL;
365 		} else {
366 			const struct common_firmware_header *hdr;
367 			unsigned offset;
368 
369 			hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
370 			if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
371 				offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
372 				if (drm_dev_enter(&adev->ddev, &idx)) {
373 					memcpy_toio(adev->vcn.inst[i].cpu_addr, adev->vcn.fw->data + offset,
374 						    le32_to_cpu(hdr->ucode_size_bytes));
375 					drm_dev_exit(idx);
376 				}
377 				size -= le32_to_cpu(hdr->ucode_size_bytes);
378 				ptr += le32_to_cpu(hdr->ucode_size_bytes);
379 			}
380 			memset_io(ptr, 0, size);
381 		}
382 	}
383 	return 0;
384 }
385 
386 static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
387 {
388 	struct amdgpu_device *adev =
389 		container_of(work, struct amdgpu_device, vcn.idle_work.work);
390 	unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
391 	unsigned int i, j;
392 	int r = 0;
393 
394 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
395 		if (adev->vcn.harvest_config & (1 << j))
396 			continue;
397 
398 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
399 			fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
400 		}
401 
402 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
403 			struct dpg_pause_state new_state;
404 
405 			if (fence[j] ||
406 				unlikely(atomic_read(&adev->vcn.inst[j].dpg_enc_submission_cnt)))
407 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
408 			else
409 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
410 
411 			adev->vcn.pause_dpg_mode(adev, j, &new_state);
412 		}
413 
414 		fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
415 		fences += fence[j];
416 	}
417 
418 	if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
419 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
420 		       AMD_PG_STATE_GATE);
421 		r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
422 				false);
423 		if (r)
424 			dev_warn(adev->dev, "(%d) failed to disable video power profile mode\n", r);
425 	} else {
426 		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
427 	}
428 }
429 
430 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
431 {
432 	struct amdgpu_device *adev = ring->adev;
433 	int r = 0;
434 
435 	atomic_inc(&adev->vcn.total_submission_cnt);
436 
437 	if (!cancel_delayed_work_sync(&adev->vcn.idle_work)) {
438 		r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
439 				true);
440 		if (r)
441 			dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r);
442 	}
443 
444 	mutex_lock(&adev->vcn.vcn_pg_lock);
445 	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
446 	       AMD_PG_STATE_UNGATE);
447 
448 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
449 		struct dpg_pause_state new_state;
450 
451 		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
452 			atomic_inc(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
453 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
454 		} else {
455 			unsigned int fences = 0;
456 			unsigned int i;
457 
458 			for (i = 0; i < adev->vcn.num_enc_rings; ++i)
459 				fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
460 
461 			if (fences || atomic_read(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt))
462 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
463 			else
464 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
465 		}
466 
467 		adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
468 	}
469 	mutex_unlock(&adev->vcn.vcn_pg_lock);
470 }
471 
472 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
473 {
474 	if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
475 		ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
476 		atomic_dec(&ring->adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
477 
478 	atomic_dec(&ring->adev->vcn.total_submission_cnt);
479 
480 	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
481 }
482 
483 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
484 {
485 	struct amdgpu_device *adev = ring->adev;
486 	uint32_t tmp = 0;
487 	unsigned i;
488 	int r;
489 
490 	/* VCN in SRIOV does not support direct register read/write */
491 	if (amdgpu_sriov_vf(adev))
492 		return 0;
493 
494 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
495 	r = amdgpu_ring_alloc(ring, 3);
496 	if (r)
497 		return r;
498 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
499 	amdgpu_ring_write(ring, 0xDEADBEEF);
500 	amdgpu_ring_commit(ring);
501 	for (i = 0; i < adev->usec_timeout; i++) {
502 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
503 		if (tmp == 0xDEADBEEF)
504 			break;
505 		udelay(1);
506 	}
507 
508 	if (i >= adev->usec_timeout)
509 		r = -ETIMEDOUT;
510 
511 	return r;
512 }
513 
514 int amdgpu_vcn_dec_sw_ring_test_ring(struct amdgpu_ring *ring)
515 {
516 	struct amdgpu_device *adev = ring->adev;
517 	uint32_t rptr;
518 	unsigned int i;
519 	int r;
520 
521 	if (amdgpu_sriov_vf(adev))
522 		return 0;
523 
524 	r = amdgpu_ring_alloc(ring, 16);
525 	if (r)
526 		return r;
527 
528 	rptr = amdgpu_ring_get_rptr(ring);
529 
530 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
531 	amdgpu_ring_commit(ring);
532 
533 	for (i = 0; i < adev->usec_timeout; i++) {
534 		if (amdgpu_ring_get_rptr(ring) != rptr)
535 			break;
536 		udelay(1);
537 	}
538 
539 	if (i >= adev->usec_timeout)
540 		r = -ETIMEDOUT;
541 
542 	return r;
543 }
544 
545 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
546 				   struct amdgpu_bo *bo,
547 				   struct dma_fence **fence)
548 {
549 	struct amdgpu_device *adev = ring->adev;
550 	struct dma_fence *f = NULL;
551 	struct amdgpu_job *job;
552 	struct amdgpu_ib *ib;
553 	uint64_t addr;
554 	void *msg = NULL;
555 	int i, r;
556 
557 	r = amdgpu_job_alloc_with_ib(adev, 64,
558 					AMDGPU_IB_POOL_DIRECT, &job);
559 	if (r)
560 		goto err;
561 
562 	ib = &job->ibs[0];
563 	addr = amdgpu_bo_gpu_offset(bo);
564 	msg = amdgpu_bo_kptr(bo);
565 	ib->ptr[0] = PACKET0(adev->vcn.internal.data0, 0);
566 	ib->ptr[1] = addr;
567 	ib->ptr[2] = PACKET0(adev->vcn.internal.data1, 0);
568 	ib->ptr[3] = addr >> 32;
569 	ib->ptr[4] = PACKET0(adev->vcn.internal.cmd, 0);
570 	ib->ptr[5] = 0;
571 	for (i = 6; i < 16; i += 2) {
572 		ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
573 		ib->ptr[i+1] = 0;
574 	}
575 	ib->length_dw = 16;
576 
577 	r = amdgpu_job_submit_direct(job, ring, &f);
578 	if (r)
579 		goto err_free;
580 
581 	amdgpu_bo_fence(bo, f, false);
582 	amdgpu_bo_unreserve(bo);
583 	amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
584 
585 	if (fence)
586 		*fence = dma_fence_get(f);
587 	dma_fence_put(f);
588 
589 	return 0;
590 
591 err_free:
592 	amdgpu_job_free(job);
593 
594 err:
595 	amdgpu_bo_unreserve(bo);
596 	amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
597 	return r;
598 }
599 
600 static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
601 					 struct amdgpu_bo **bo)
602 {
603 	struct amdgpu_device *adev = ring->adev;
604 	uint32_t *msg;
605 	int r, i;
606 
607 	*bo = NULL;
608 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
609 				      AMDGPU_GEM_DOMAIN_VRAM,
610 				      bo, NULL, (void **)&msg);
611 	if (r)
612 		return r;
613 
614 	msg[0] = cpu_to_le32(0x00000028);
615 	msg[1] = cpu_to_le32(0x00000038);
616 	msg[2] = cpu_to_le32(0x00000001);
617 	msg[3] = cpu_to_le32(0x00000000);
618 	msg[4] = cpu_to_le32(handle);
619 	msg[5] = cpu_to_le32(0x00000000);
620 	msg[6] = cpu_to_le32(0x00000001);
621 	msg[7] = cpu_to_le32(0x00000028);
622 	msg[8] = cpu_to_le32(0x00000010);
623 	msg[9] = cpu_to_le32(0x00000000);
624 	msg[10] = cpu_to_le32(0x00000007);
625 	msg[11] = cpu_to_le32(0x00000000);
626 	msg[12] = cpu_to_le32(0x00000780);
627 	msg[13] = cpu_to_le32(0x00000440);
628 	for (i = 14; i < 1024; ++i)
629 		msg[i] = cpu_to_le32(0x0);
630 
631 	return 0;
632 }
633 
634 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
635 					  struct amdgpu_bo **bo)
636 {
637 	struct amdgpu_device *adev = ring->adev;
638 	uint32_t *msg;
639 	int r, i;
640 
641 	*bo = NULL;
642 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
643 				      AMDGPU_GEM_DOMAIN_VRAM,
644 				      bo, NULL, (void **)&msg);
645 	if (r)
646 		return r;
647 
648 	msg[0] = cpu_to_le32(0x00000028);
649 	msg[1] = cpu_to_le32(0x00000018);
650 	msg[2] = cpu_to_le32(0x00000000);
651 	msg[3] = cpu_to_le32(0x00000002);
652 	msg[4] = cpu_to_le32(handle);
653 	msg[5] = cpu_to_le32(0x00000000);
654 	for (i = 6; i < 1024; ++i)
655 		msg[i] = cpu_to_le32(0x0);
656 
657 	return 0;
658 }
659 
660 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
661 {
662 	struct dma_fence *fence = NULL;
663 	struct amdgpu_bo *bo;
664 	long r;
665 
666 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, &bo);
667 	if (r)
668 		goto error;
669 
670 	r = amdgpu_vcn_dec_send_msg(ring, bo, NULL);
671 	if (r)
672 		goto error;
673 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &bo);
674 	if (r)
675 		goto error;
676 
677 	r = amdgpu_vcn_dec_send_msg(ring, bo, &fence);
678 	if (r)
679 		goto error;
680 
681 	r = dma_fence_wait_timeout(fence, false, timeout);
682 	if (r == 0)
683 		r = -ETIMEDOUT;
684 	else if (r > 0)
685 		r = 0;
686 
687 	dma_fence_put(fence);
688 error:
689 	return r;
690 }
691 
692 static int amdgpu_vcn_dec_sw_send_msg(struct amdgpu_ring *ring,
693 				   struct amdgpu_bo *bo,
694 				   struct dma_fence **fence)
695 {
696 	struct amdgpu_vcn_decode_buffer *decode_buffer = NULL;
697 	const unsigned int ib_size_dw = 64;
698 	struct amdgpu_device *adev = ring->adev;
699 	struct dma_fence *f = NULL;
700 	struct amdgpu_job *job;
701 	struct amdgpu_ib *ib;
702 	uint64_t addr;
703 	int i, r;
704 
705 	r = amdgpu_job_alloc_with_ib(adev, ib_size_dw * 4,
706 				AMDGPU_IB_POOL_DIRECT, &job);
707 	if (r)
708 		goto err;
709 
710 	ib = &job->ibs[0];
711 	addr = amdgpu_bo_gpu_offset(bo);
712 	ib->length_dw = 0;
713 
714 	ib->ptr[ib->length_dw++] = sizeof(struct amdgpu_vcn_decode_buffer) + 8;
715 	ib->ptr[ib->length_dw++] = cpu_to_le32(AMDGPU_VCN_IB_FLAG_DECODE_BUFFER);
716 	decode_buffer = (struct amdgpu_vcn_decode_buffer *)&(ib->ptr[ib->length_dw]);
717 	ib->length_dw += sizeof(struct amdgpu_vcn_decode_buffer) / 4;
718 	memset(decode_buffer, 0, sizeof(struct amdgpu_vcn_decode_buffer));
719 
720 	decode_buffer->valid_buf_flag |= cpu_to_le32(AMDGPU_VCN_CMD_FLAG_MSG_BUFFER);
721 	decode_buffer->msg_buffer_address_hi = cpu_to_le32(addr >> 32);
722 	decode_buffer->msg_buffer_address_lo = cpu_to_le32(addr);
723 
724 	for (i = ib->length_dw; i < ib_size_dw; ++i)
725 		ib->ptr[i] = 0x0;
726 
727 	r = amdgpu_job_submit_direct(job, ring, &f);
728 	if (r)
729 		goto err_free;
730 
731 	amdgpu_bo_fence(bo, f, false);
732 	amdgpu_bo_unreserve(bo);
733 	amdgpu_bo_unref(&bo);
734 
735 	if (fence)
736 		*fence = dma_fence_get(f);
737 	dma_fence_put(f);
738 
739 	return 0;
740 
741 err_free:
742 	amdgpu_job_free(job);
743 
744 err:
745 	amdgpu_bo_unreserve(bo);
746 	amdgpu_bo_unref(&bo);
747 	return r;
748 }
749 
750 int amdgpu_vcn_dec_sw_ring_test_ib(struct amdgpu_ring *ring, long timeout)
751 {
752 	struct dma_fence *fence = NULL;
753 	struct amdgpu_bo *bo;
754 	long r;
755 
756 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, &bo);
757 	if (r)
758 		goto error;
759 
760 	r = amdgpu_vcn_dec_sw_send_msg(ring, bo, NULL);
761 	if (r)
762 		goto error;
763 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &bo);
764 	if (r)
765 		goto error;
766 
767 	r = amdgpu_vcn_dec_sw_send_msg(ring, bo, &fence);
768 	if (r)
769 		goto error;
770 
771 	r = dma_fence_wait_timeout(fence, false, timeout);
772 	if (r == 0)
773 		r = -ETIMEDOUT;
774 	else if (r > 0)
775 		r = 0;
776 
777 	dma_fence_put(fence);
778 error:
779 	return r;
780 }
781 
782 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
783 {
784 	struct amdgpu_device *adev = ring->adev;
785 	uint32_t rptr;
786 	unsigned i;
787 	int r;
788 
789 	if (amdgpu_sriov_vf(adev))
790 		return 0;
791 
792 	r = amdgpu_ring_alloc(ring, 16);
793 	if (r)
794 		return r;
795 
796 	rptr = amdgpu_ring_get_rptr(ring);
797 
798 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
799 	amdgpu_ring_commit(ring);
800 
801 	for (i = 0; i < adev->usec_timeout; i++) {
802 		if (amdgpu_ring_get_rptr(ring) != rptr)
803 			break;
804 		udelay(1);
805 	}
806 
807 	if (i >= adev->usec_timeout)
808 		r = -ETIMEDOUT;
809 
810 	return r;
811 }
812 
813 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
814 					 struct amdgpu_bo *bo,
815 					 struct dma_fence **fence)
816 {
817 	const unsigned ib_size_dw = 16;
818 	struct amdgpu_job *job;
819 	struct amdgpu_ib *ib;
820 	struct dma_fence *f = NULL;
821 	uint64_t addr;
822 	int i, r;
823 
824 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
825 					AMDGPU_IB_POOL_DIRECT, &job);
826 	if (r)
827 		return r;
828 
829 	ib = &job->ibs[0];
830 	addr = amdgpu_bo_gpu_offset(bo);
831 
832 	ib->length_dw = 0;
833 	ib->ptr[ib->length_dw++] = 0x00000018;
834 	ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
835 	ib->ptr[ib->length_dw++] = handle;
836 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
837 	ib->ptr[ib->length_dw++] = addr;
838 	ib->ptr[ib->length_dw++] = 0x0000000b;
839 
840 	ib->ptr[ib->length_dw++] = 0x00000014;
841 	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
842 	ib->ptr[ib->length_dw++] = 0x0000001c;
843 	ib->ptr[ib->length_dw++] = 0x00000000;
844 	ib->ptr[ib->length_dw++] = 0x00000000;
845 
846 	ib->ptr[ib->length_dw++] = 0x00000008;
847 	ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
848 
849 	for (i = ib->length_dw; i < ib_size_dw; ++i)
850 		ib->ptr[i] = 0x0;
851 
852 	r = amdgpu_job_submit_direct(job, ring, &f);
853 	if (r)
854 		goto err;
855 
856 	if (fence)
857 		*fence = dma_fence_get(f);
858 	dma_fence_put(f);
859 
860 	return 0;
861 
862 err:
863 	amdgpu_job_free(job);
864 	return r;
865 }
866 
867 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
868 					  struct amdgpu_bo *bo,
869 					  struct dma_fence **fence)
870 {
871 	const unsigned ib_size_dw = 16;
872 	struct amdgpu_job *job;
873 	struct amdgpu_ib *ib;
874 	struct dma_fence *f = NULL;
875 	uint64_t addr;
876 	int i, r;
877 
878 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
879 					AMDGPU_IB_POOL_DIRECT, &job);
880 	if (r)
881 		return r;
882 
883 	ib = &job->ibs[0];
884 	addr = amdgpu_bo_gpu_offset(bo);
885 
886 	ib->length_dw = 0;
887 	ib->ptr[ib->length_dw++] = 0x00000018;
888 	ib->ptr[ib->length_dw++] = 0x00000001;
889 	ib->ptr[ib->length_dw++] = handle;
890 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
891 	ib->ptr[ib->length_dw++] = addr;
892 	ib->ptr[ib->length_dw++] = 0x0000000b;
893 
894 	ib->ptr[ib->length_dw++] = 0x00000014;
895 	ib->ptr[ib->length_dw++] = 0x00000002;
896 	ib->ptr[ib->length_dw++] = 0x0000001c;
897 	ib->ptr[ib->length_dw++] = 0x00000000;
898 	ib->ptr[ib->length_dw++] = 0x00000000;
899 
900 	ib->ptr[ib->length_dw++] = 0x00000008;
901 	ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
902 
903 	for (i = ib->length_dw; i < ib_size_dw; ++i)
904 		ib->ptr[i] = 0x0;
905 
906 	r = amdgpu_job_submit_direct(job, ring, &f);
907 	if (r)
908 		goto err;
909 
910 	if (fence)
911 		*fence = dma_fence_get(f);
912 	dma_fence_put(f);
913 
914 	return 0;
915 
916 err:
917 	amdgpu_job_free(job);
918 	return r;
919 }
920 
921 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
922 {
923 	struct dma_fence *fence = NULL;
924 	struct amdgpu_bo *bo = NULL;
925 	long r;
926 
927 	r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE,
928 				      AMDGPU_GEM_DOMAIN_VRAM,
929 				      &bo, NULL, NULL);
930 	if (r)
931 		return r;
932 
933 	r = amdgpu_vcn_enc_get_create_msg(ring, 1, bo, NULL);
934 	if (r)
935 		goto error;
936 
937 	r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, bo, &fence);
938 	if (r)
939 		goto error;
940 
941 	r = dma_fence_wait_timeout(fence, false, timeout);
942 	if (r == 0)
943 		r = -ETIMEDOUT;
944 	else if (r > 0)
945 		r = 0;
946 
947 error:
948 	dma_fence_put(fence);
949 	amdgpu_bo_unreserve(bo);
950 	amdgpu_bo_free_kernel(&bo, NULL, NULL);
951 
952 	return r;
953 }
954