xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c (revision 72251fac062c0b4fe98670ec9e3db3f0702c50ae)
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 <drm/drm.h>
32 
33 #include "amdgpu.h"
34 #include "amdgpu_pm.h"
35 #include "amdgpu_vcn.h"
36 #include "soc15d.h"
37 #include "soc15_common.h"
38 
39 #include "vcn/vcn_1_0_offset.h"
40 #include "vcn/vcn_1_0_sh_mask.h"
41 
42 /* 1 second timeout */
43 #define VCN_IDLE_TIMEOUT	msecs_to_jiffies(1000)
44 
45 /* Firmware Names */
46 #define FIRMWARE_RAVEN		"amdgpu/raven_vcn.bin"
47 #define FIRMWARE_PICASSO	"amdgpu/picasso_vcn.bin"
48 #define FIRMWARE_RAVEN2		"amdgpu/raven2_vcn.bin"
49 #define FIRMWARE_ARCTURUS 	"amdgpu/arcturus_vcn.bin"
50 #define FIRMWARE_NAVI10 	"amdgpu/navi10_vcn.bin"
51 #define FIRMWARE_NAVI14 	"amdgpu/navi14_vcn.bin"
52 #define FIRMWARE_NAVI12 	"amdgpu/navi12_vcn.bin"
53 
54 MODULE_FIRMWARE(FIRMWARE_RAVEN);
55 MODULE_FIRMWARE(FIRMWARE_PICASSO);
56 MODULE_FIRMWARE(FIRMWARE_RAVEN2);
57 MODULE_FIRMWARE(FIRMWARE_ARCTURUS);
58 MODULE_FIRMWARE(FIRMWARE_NAVI10);
59 MODULE_FIRMWARE(FIRMWARE_NAVI14);
60 MODULE_FIRMWARE(FIRMWARE_NAVI12);
61 
62 static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
63 
64 int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
65 {
66 	unsigned long bo_size;
67 	const char *fw_name;
68 	const struct common_firmware_header *hdr;
69 	unsigned char fw_check;
70 	int i, r;
71 
72 	INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
73 
74 	switch (adev->asic_type) {
75 	case CHIP_RAVEN:
76 		if (adev->rev_id >= 8)
77 			fw_name = FIRMWARE_RAVEN2;
78 		else if (adev->pdev->device == 0x15d8)
79 			fw_name = FIRMWARE_PICASSO;
80 		else
81 			fw_name = FIRMWARE_RAVEN;
82 		break;
83 	case CHIP_ARCTURUS:
84 		fw_name = FIRMWARE_ARCTURUS;
85 		break;
86 	case CHIP_NAVI10:
87 		fw_name = FIRMWARE_NAVI10;
88 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
89 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
90 			adev->vcn.indirect_sram = true;
91 		break;
92 	case CHIP_NAVI14:
93 		fw_name = FIRMWARE_NAVI14;
94 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
95 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
96 			adev->vcn.indirect_sram = true;
97 		break;
98 	case CHIP_NAVI12:
99 		fw_name = FIRMWARE_NAVI12;
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 	default:
105 		return -EINVAL;
106 	}
107 
108 	r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
109 	if (r) {
110 		dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n",
111 			fw_name);
112 		return r;
113 	}
114 
115 	r = amdgpu_ucode_validate(adev->vcn.fw);
116 	if (r) {
117 		dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n",
118 			fw_name);
119 		release_firmware(adev->vcn.fw);
120 		adev->vcn.fw = NULL;
121 		return r;
122 	}
123 
124 	hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
125 	adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
126 
127 	/* Bit 20-23, it is encode major and non-zero for new naming convention.
128 	 * This field is part of version minor and DRM_DISABLED_FLAG in old naming
129 	 * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
130 	 * is zero in old naming convention, this field is always zero so far.
131 	 * These four bits are used to tell which naming convention is present.
132 	 */
133 	fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
134 	if (fw_check) {
135 		unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
136 
137 		fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
138 		enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
139 		enc_major = fw_check;
140 		dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
141 		vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
142 		DRM_INFO("Found VCN firmware Version ENC: %hu.%hu DEC: %hu VEP: %hu Revision: %hu\n",
143 			enc_major, enc_minor, dec_ver, vep, fw_rev);
144 	} else {
145 		unsigned int version_major, version_minor, family_id;
146 
147 		family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
148 		version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
149 		version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
150 		DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
151 			version_major, version_minor, family_id);
152 	}
153 
154 	bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
155 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
156 		bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
157 
158 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
159 		if (adev->vcn.harvest_config & (1 << i))
160 			continue;
161 
162 		r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
163 						AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].vcpu_bo,
164 						&adev->vcn.inst[i].gpu_addr, &adev->vcn.inst[i].cpu_addr);
165 		if (r) {
166 			dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
167 			return r;
168 		}
169 	}
170 
171 	if (adev->vcn.indirect_sram) {
172 		r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
173 			    AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.dpg_sram_bo,
174 			    &adev->vcn.dpg_sram_gpu_addr, &adev->vcn.dpg_sram_cpu_addr);
175 		if (r) {
176 			dev_err(adev->dev, "(%d) failed to allocate DPG bo\n", r);
177 			return r;
178 		}
179 	}
180 
181 	return 0;
182 }
183 
184 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
185 {
186 	int i, j;
187 
188 	if (adev->vcn.indirect_sram) {
189 		amdgpu_bo_free_kernel(&adev->vcn.dpg_sram_bo,
190 				      &adev->vcn.dpg_sram_gpu_addr,
191 				      (void **)&adev->vcn.dpg_sram_cpu_addr);
192 	}
193 
194 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
195 		if (adev->vcn.harvest_config & (1 << j))
196 			continue;
197 		kvfree(adev->vcn.inst[j].saved_bo);
198 
199 		amdgpu_bo_free_kernel(&adev->vcn.inst[j].vcpu_bo,
200 					  &adev->vcn.inst[j].gpu_addr,
201 					  (void **)&adev->vcn.inst[j].cpu_addr);
202 
203 		amdgpu_ring_fini(&adev->vcn.inst[j].ring_dec);
204 
205 		for (i = 0; i < adev->vcn.num_enc_rings; ++i)
206 			amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
207 
208 		amdgpu_ring_fini(&adev->vcn.inst[j].ring_jpeg);
209 	}
210 
211 	release_firmware(adev->vcn.fw);
212 
213 	return 0;
214 }
215 
216 int amdgpu_vcn_suspend(struct amdgpu_device *adev)
217 {
218 	unsigned size;
219 	void *ptr;
220 	int i;
221 
222 	cancel_delayed_work_sync(&adev->vcn.idle_work);
223 
224 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
225 		if (adev->vcn.harvest_config & (1 << i))
226 			continue;
227 		if (adev->vcn.inst[i].vcpu_bo == NULL)
228 			return 0;
229 
230 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
231 		ptr = adev->vcn.inst[i].cpu_addr;
232 
233 		adev->vcn.inst[i].saved_bo = kvmalloc(size, GFP_KERNEL);
234 		if (!adev->vcn.inst[i].saved_bo)
235 			return -ENOMEM;
236 
237 		memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
238 	}
239 	return 0;
240 }
241 
242 int amdgpu_vcn_resume(struct amdgpu_device *adev)
243 {
244 	unsigned size;
245 	void *ptr;
246 	int i;
247 
248 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
249 		if (adev->vcn.harvest_config & (1 << i))
250 			continue;
251 		if (adev->vcn.inst[i].vcpu_bo == NULL)
252 			return -EINVAL;
253 
254 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
255 		ptr = adev->vcn.inst[i].cpu_addr;
256 
257 		if (adev->vcn.inst[i].saved_bo != NULL) {
258 			memcpy_toio(ptr, adev->vcn.inst[i].saved_bo, size);
259 			kvfree(adev->vcn.inst[i].saved_bo);
260 			adev->vcn.inst[i].saved_bo = NULL;
261 		} else {
262 			const struct common_firmware_header *hdr;
263 			unsigned offset;
264 
265 			hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
266 			if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
267 				offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
268 				memcpy_toio(adev->vcn.inst[i].cpu_addr, adev->vcn.fw->data + offset,
269 					    le32_to_cpu(hdr->ucode_size_bytes));
270 				size -= le32_to_cpu(hdr->ucode_size_bytes);
271 				ptr += le32_to_cpu(hdr->ucode_size_bytes);
272 			}
273 			memset_io(ptr, 0, size);
274 		}
275 	}
276 	return 0;
277 }
278 
279 static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
280 {
281 	struct amdgpu_device *adev =
282 		container_of(work, struct amdgpu_device, vcn.idle_work.work);
283 	unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
284 	unsigned int i, j;
285 
286 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
287 		if (adev->vcn.harvest_config & (1 << j))
288 			continue;
289 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
290 			fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
291 		}
292 
293 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
294 			struct dpg_pause_state new_state;
295 
296 			if (fence[j])
297 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
298 			else
299 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
300 
301 			if (amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_jpeg))
302 				new_state.jpeg = VCN_DPG_STATE__PAUSE;
303 			else
304 				new_state.jpeg = VCN_DPG_STATE__UNPAUSE;
305 
306 			adev->vcn.pause_dpg_mode(adev, &new_state);
307 		}
308 
309 		fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_jpeg);
310 		fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
311 		fences += fence[j];
312 	}
313 
314 	if (fences == 0) {
315 		amdgpu_gfx_off_ctrl(adev, true);
316 		if (adev->asic_type < CHIP_ARCTURUS && adev->pm.dpm_enabled)
317 			amdgpu_dpm_enable_uvd(adev, false);
318 		else
319 			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
320 							       AMD_PG_STATE_GATE);
321 	} else {
322 		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
323 	}
324 }
325 
326 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
327 {
328 	struct amdgpu_device *adev = ring->adev;
329 	bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
330 
331 	if (set_clocks) {
332 		amdgpu_gfx_off_ctrl(adev, false);
333 		if (adev->asic_type < CHIP_ARCTURUS && adev->pm.dpm_enabled)
334 			amdgpu_dpm_enable_uvd(adev, true);
335 		else
336 			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
337 							       AMD_PG_STATE_UNGATE);
338 	}
339 
340 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
341 		struct dpg_pause_state new_state;
342 		unsigned int fences = 0;
343 		unsigned int i;
344 
345 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
346 			fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
347 		}
348 		if (fences)
349 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
350 		else
351 			new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
352 
353 		if (amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_jpeg))
354 			new_state.jpeg = VCN_DPG_STATE__PAUSE;
355 		else
356 			new_state.jpeg = VCN_DPG_STATE__UNPAUSE;
357 
358 		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
359 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
360 		else if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG)
361 			new_state.jpeg = VCN_DPG_STATE__PAUSE;
362 
363 		adev->vcn.pause_dpg_mode(adev, &new_state);
364 	}
365 }
366 
367 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
368 {
369 	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
370 }
371 
372 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
373 {
374 	struct amdgpu_device *adev = ring->adev;
375 	uint32_t tmp = 0;
376 	unsigned i;
377 	int r;
378 
379 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
380 	r = amdgpu_ring_alloc(ring, 3);
381 	if (r)
382 		return r;
383 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
384 	amdgpu_ring_write(ring, 0xDEADBEEF);
385 	amdgpu_ring_commit(ring);
386 	for (i = 0; i < adev->usec_timeout; i++) {
387 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
388 		if (tmp == 0xDEADBEEF)
389 			break;
390 		udelay(1);
391 	}
392 
393 	if (i >= adev->usec_timeout)
394 		r = -ETIMEDOUT;
395 
396 	return r;
397 }
398 
399 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
400 				   struct amdgpu_bo *bo,
401 				   struct dma_fence **fence)
402 {
403 	struct amdgpu_device *adev = ring->adev;
404 	struct dma_fence *f = NULL;
405 	struct amdgpu_job *job;
406 	struct amdgpu_ib *ib;
407 	uint64_t addr;
408 	int i, r;
409 
410 	r = amdgpu_job_alloc_with_ib(adev, 64, &job);
411 	if (r)
412 		goto err;
413 
414 	ib = &job->ibs[0];
415 	addr = amdgpu_bo_gpu_offset(bo);
416 	ib->ptr[0] = PACKET0(adev->vcn.internal.data0, 0);
417 	ib->ptr[1] = addr;
418 	ib->ptr[2] = PACKET0(adev->vcn.internal.data1, 0);
419 	ib->ptr[3] = addr >> 32;
420 	ib->ptr[4] = PACKET0(adev->vcn.internal.cmd, 0);
421 	ib->ptr[5] = 0;
422 	for (i = 6; i < 16; i += 2) {
423 		ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
424 		ib->ptr[i+1] = 0;
425 	}
426 	ib->length_dw = 16;
427 
428 	r = amdgpu_job_submit_direct(job, ring, &f);
429 	if (r)
430 		goto err_free;
431 
432 	amdgpu_bo_fence(bo, f, false);
433 	amdgpu_bo_unreserve(bo);
434 	amdgpu_bo_unref(&bo);
435 
436 	if (fence)
437 		*fence = dma_fence_get(f);
438 	dma_fence_put(f);
439 
440 	return 0;
441 
442 err_free:
443 	amdgpu_job_free(job);
444 
445 err:
446 	amdgpu_bo_unreserve(bo);
447 	amdgpu_bo_unref(&bo);
448 	return r;
449 }
450 
451 static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
452 			      struct dma_fence **fence)
453 {
454 	struct amdgpu_device *adev = ring->adev;
455 	struct amdgpu_bo *bo = NULL;
456 	uint32_t *msg;
457 	int r, i;
458 
459 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
460 				      AMDGPU_GEM_DOMAIN_VRAM,
461 				      &bo, NULL, (void **)&msg);
462 	if (r)
463 		return r;
464 
465 	msg[0] = cpu_to_le32(0x00000028);
466 	msg[1] = cpu_to_le32(0x00000038);
467 	msg[2] = cpu_to_le32(0x00000001);
468 	msg[3] = cpu_to_le32(0x00000000);
469 	msg[4] = cpu_to_le32(handle);
470 	msg[5] = cpu_to_le32(0x00000000);
471 	msg[6] = cpu_to_le32(0x00000001);
472 	msg[7] = cpu_to_le32(0x00000028);
473 	msg[8] = cpu_to_le32(0x00000010);
474 	msg[9] = cpu_to_le32(0x00000000);
475 	msg[10] = cpu_to_le32(0x00000007);
476 	msg[11] = cpu_to_le32(0x00000000);
477 	msg[12] = cpu_to_le32(0x00000780);
478 	msg[13] = cpu_to_le32(0x00000440);
479 	for (i = 14; i < 1024; ++i)
480 		msg[i] = cpu_to_le32(0x0);
481 
482 	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
483 }
484 
485 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
486 			       struct dma_fence **fence)
487 {
488 	struct amdgpu_device *adev = ring->adev;
489 	struct amdgpu_bo *bo = NULL;
490 	uint32_t *msg;
491 	int r, i;
492 
493 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
494 				      AMDGPU_GEM_DOMAIN_VRAM,
495 				      &bo, NULL, (void **)&msg);
496 	if (r)
497 		return r;
498 
499 	msg[0] = cpu_to_le32(0x00000028);
500 	msg[1] = cpu_to_le32(0x00000018);
501 	msg[2] = cpu_to_le32(0x00000000);
502 	msg[3] = cpu_to_le32(0x00000002);
503 	msg[4] = cpu_to_le32(handle);
504 	msg[5] = cpu_to_le32(0x00000000);
505 	for (i = 6; i < 1024; ++i)
506 		msg[i] = cpu_to_le32(0x0);
507 
508 	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
509 }
510 
511 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
512 {
513 	struct dma_fence *fence;
514 	long r;
515 
516 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, NULL);
517 	if (r)
518 		goto error;
519 
520 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &fence);
521 	if (r)
522 		goto error;
523 
524 	r = dma_fence_wait_timeout(fence, false, timeout);
525 	if (r == 0)
526 		r = -ETIMEDOUT;
527 	else if (r > 0)
528 		r = 0;
529 
530 	dma_fence_put(fence);
531 error:
532 	return r;
533 }
534 
535 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
536 {
537 	struct amdgpu_device *adev = ring->adev;
538 	uint32_t rptr;
539 	unsigned i;
540 	int r;
541 
542 	r = amdgpu_ring_alloc(ring, 16);
543 	if (r)
544 		return r;
545 
546 	rptr = amdgpu_ring_get_rptr(ring);
547 
548 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
549 	amdgpu_ring_commit(ring);
550 
551 	for (i = 0; i < adev->usec_timeout; i++) {
552 		if (amdgpu_ring_get_rptr(ring) != rptr)
553 			break;
554 		udelay(1);
555 	}
556 
557 	if (i >= adev->usec_timeout)
558 		r = -ETIMEDOUT;
559 
560 	return r;
561 }
562 
563 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
564 			      struct dma_fence **fence)
565 {
566 	const unsigned ib_size_dw = 16;
567 	struct amdgpu_job *job;
568 	struct amdgpu_ib *ib;
569 	struct dma_fence *f = NULL;
570 	uint64_t dummy;
571 	int i, r;
572 
573 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
574 	if (r)
575 		return r;
576 
577 	ib = &job->ibs[0];
578 	dummy = ib->gpu_addr + 1024;
579 
580 	ib->length_dw = 0;
581 	ib->ptr[ib->length_dw++] = 0x00000018;
582 	ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
583 	ib->ptr[ib->length_dw++] = handle;
584 	ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
585 	ib->ptr[ib->length_dw++] = dummy;
586 	ib->ptr[ib->length_dw++] = 0x0000000b;
587 
588 	ib->ptr[ib->length_dw++] = 0x00000014;
589 	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
590 	ib->ptr[ib->length_dw++] = 0x0000001c;
591 	ib->ptr[ib->length_dw++] = 0x00000000;
592 	ib->ptr[ib->length_dw++] = 0x00000000;
593 
594 	ib->ptr[ib->length_dw++] = 0x00000008;
595 	ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
596 
597 	for (i = ib->length_dw; i < ib_size_dw; ++i)
598 		ib->ptr[i] = 0x0;
599 
600 	r = amdgpu_job_submit_direct(job, ring, &f);
601 	if (r)
602 		goto err;
603 
604 	if (fence)
605 		*fence = dma_fence_get(f);
606 	dma_fence_put(f);
607 
608 	return 0;
609 
610 err:
611 	amdgpu_job_free(job);
612 	return r;
613 }
614 
615 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
616 				struct dma_fence **fence)
617 {
618 	const unsigned ib_size_dw = 16;
619 	struct amdgpu_job *job;
620 	struct amdgpu_ib *ib;
621 	struct dma_fence *f = NULL;
622 	uint64_t dummy;
623 	int i, r;
624 
625 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
626 	if (r)
627 		return r;
628 
629 	ib = &job->ibs[0];
630 	dummy = ib->gpu_addr + 1024;
631 
632 	ib->length_dw = 0;
633 	ib->ptr[ib->length_dw++] = 0x00000018;
634 	ib->ptr[ib->length_dw++] = 0x00000001;
635 	ib->ptr[ib->length_dw++] = handle;
636 	ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
637 	ib->ptr[ib->length_dw++] = dummy;
638 	ib->ptr[ib->length_dw++] = 0x0000000b;
639 
640 	ib->ptr[ib->length_dw++] = 0x00000014;
641 	ib->ptr[ib->length_dw++] = 0x00000002;
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++] = 0x08000002; /* op close session */
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 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
668 {
669 	struct dma_fence *fence = NULL;
670 	long r;
671 
672 	r = amdgpu_vcn_enc_get_create_msg(ring, 1, NULL);
673 	if (r)
674 		goto error;
675 
676 	r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, &fence);
677 	if (r)
678 		goto error;
679 
680 	r = dma_fence_wait_timeout(fence, false, timeout);
681 	if (r == 0)
682 		r = -ETIMEDOUT;
683 	else if (r > 0)
684 		r = 0;
685 
686 error:
687 	dma_fence_put(fence);
688 	return r;
689 }
690 
691 int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring)
692 {
693 	struct amdgpu_device *adev = ring->adev;
694 	uint32_t tmp = 0;
695 	unsigned i;
696 	int r;
697 
698 	WREG32(adev->vcn.inst[ring->me].external.jpeg_pitch, 0xCAFEDEAD);
699 	r = amdgpu_ring_alloc(ring, 3);
700 	if (r)
701 		return r;
702 
703 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.jpeg_pitch, 0));
704 	amdgpu_ring_write(ring, 0xDEADBEEF);
705 	amdgpu_ring_commit(ring);
706 
707 	for (i = 0; i < adev->usec_timeout; i++) {
708 		tmp = RREG32(adev->vcn.inst[ring->me].external.jpeg_pitch);
709 		if (tmp == 0xDEADBEEF)
710 			break;
711 		udelay(1);
712 	}
713 
714 	if (i >= adev->usec_timeout)
715 		r = -ETIMEDOUT;
716 
717 	return r;
718 }
719 
720 static int amdgpu_vcn_jpeg_set_reg(struct amdgpu_ring *ring, uint32_t handle,
721 		struct dma_fence **fence)
722 {
723 	struct amdgpu_device *adev = ring->adev;
724 	struct amdgpu_job *job;
725 	struct amdgpu_ib *ib;
726 	struct dma_fence *f = NULL;
727 	const unsigned ib_size_dw = 16;
728 	int i, r;
729 
730 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
731 	if (r)
732 		return r;
733 
734 	ib = &job->ibs[0];
735 
736 	ib->ptr[0] = PACKETJ(adev->vcn.internal.jpeg_pitch, 0, 0, PACKETJ_TYPE0);
737 	ib->ptr[1] = 0xDEADBEEF;
738 	for (i = 2; i < 16; i += 2) {
739 		ib->ptr[i] = PACKETJ(0, 0, 0, PACKETJ_TYPE6);
740 		ib->ptr[i+1] = 0;
741 	}
742 	ib->length_dw = 16;
743 
744 	r = amdgpu_job_submit_direct(job, ring, &f);
745 	if (r)
746 		goto err;
747 
748 	if (fence)
749 		*fence = dma_fence_get(f);
750 	dma_fence_put(f);
751 
752 	return 0;
753 
754 err:
755 	amdgpu_job_free(job);
756 	return r;
757 }
758 
759 int amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring *ring, long timeout)
760 {
761 	struct amdgpu_device *adev = ring->adev;
762 	uint32_t tmp = 0;
763 	unsigned i;
764 	struct dma_fence *fence = NULL;
765 	long r = 0;
766 
767 	r = amdgpu_vcn_jpeg_set_reg(ring, 1, &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 		goto error;
775 	} else if (r < 0) {
776 		goto error;
777 	} else {
778 		r = 0;
779 	}
780 
781 	for (i = 0; i < adev->usec_timeout; i++) {
782 		tmp = RREG32(adev->vcn.inst[ring->me].external.jpeg_pitch);
783 		if (tmp == 0xDEADBEEF)
784 			break;
785 		udelay(1);
786 	}
787 
788 	if (i >= adev->usec_timeout)
789 		r = -ETIMEDOUT;
790 
791 	dma_fence_put(fence);
792 error:
793 	return r;
794 }
795