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 <drm/drmP.h>
30 #include <drm/drm.h>
31 
32 #include "amdgpu.h"
33 #include "amdgpu_pm.h"
34 #include "amdgpu_vcn.h"
35 #include "soc15d.h"
36 #include "soc15_common.h"
37 
38 #include "vcn/vcn_1_0_offset.h"
39 
40 /* 1 second timeout */
41 #define VCN_IDLE_TIMEOUT	msecs_to_jiffies(1000)
42 
43 /* Firmware Names */
44 #define FIRMWARE_RAVEN		"amdgpu/raven_vcn.bin"
45 
46 MODULE_FIRMWARE(FIRMWARE_RAVEN);
47 
48 static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
49 
amdgpu_vcn_sw_init(struct amdgpu_device * adev)50 int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
51 {
52 	unsigned long bo_size;
53 	const char *fw_name;
54 	const struct common_firmware_header *hdr;
55 	unsigned char fw_check;
56 	int r;
57 
58 	INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
59 
60 	switch (adev->asic_type) {
61 	case CHIP_RAVEN:
62 		fw_name = FIRMWARE_RAVEN;
63 		break;
64 	default:
65 		return -EINVAL;
66 	}
67 
68 	r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
69 	if (r) {
70 		dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n",
71 			fw_name);
72 		return r;
73 	}
74 
75 	r = amdgpu_ucode_validate(adev->vcn.fw);
76 	if (r) {
77 		dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n",
78 			fw_name);
79 		release_firmware(adev->vcn.fw);
80 		adev->vcn.fw = NULL;
81 		return r;
82 	}
83 
84 	hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
85 	adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
86 
87 	/* Bit 20-23, it is encode major and non-zero for new naming convention.
88 	 * This field is part of version minor and DRM_DISABLED_FLAG in old naming
89 	 * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
90 	 * is zero in old naming convention, this field is always zero so far.
91 	 * These four bits are used to tell which naming convention is present.
92 	 */
93 	fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
94 	if (fw_check) {
95 		unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
96 
97 		fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
98 		enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
99 		enc_major = fw_check;
100 		dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
101 		vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
102 		DRM_INFO("Found VCN firmware Version ENC: %hu.%hu DEC: %hu VEP: %hu Revision: %hu\n",
103 			enc_major, enc_minor, dec_ver, vep, fw_rev);
104 	} else {
105 		unsigned int version_major, version_minor, family_id;
106 
107 		family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
108 		version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
109 		version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
110 		DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
111 			version_major, version_minor, family_id);
112 	}
113 
114 	bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_HEAP_SIZE
115 		  +  AMDGPU_VCN_SESSION_SIZE * 40;
116 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
117 		bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
118 	r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
119 				    AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.vcpu_bo,
120 				    &adev->vcn.gpu_addr, &adev->vcn.cpu_addr);
121 	if (r) {
122 		dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
123 		return r;
124 	}
125 
126 	return 0;
127 }
128 
amdgpu_vcn_sw_fini(struct amdgpu_device * adev)129 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
130 {
131 	int i;
132 
133 	kvfree(adev->vcn.saved_bo);
134 
135 	amdgpu_bo_free_kernel(&adev->vcn.vcpu_bo,
136 			      &adev->vcn.gpu_addr,
137 			      (void **)&adev->vcn.cpu_addr);
138 
139 	amdgpu_ring_fini(&adev->vcn.ring_dec);
140 
141 	for (i = 0; i < adev->vcn.num_enc_rings; ++i)
142 		amdgpu_ring_fini(&adev->vcn.ring_enc[i]);
143 
144 	amdgpu_ring_fini(&adev->vcn.ring_jpeg);
145 
146 	release_firmware(adev->vcn.fw);
147 
148 	return 0;
149 }
150 
amdgpu_vcn_suspend(struct amdgpu_device * adev)151 int amdgpu_vcn_suspend(struct amdgpu_device *adev)
152 {
153 	unsigned size;
154 	void *ptr;
155 
156 	cancel_delayed_work_sync(&adev->vcn.idle_work);
157 
158 	if (adev->vcn.vcpu_bo == NULL)
159 		return 0;
160 
161 	size = amdgpu_bo_size(adev->vcn.vcpu_bo);
162 	ptr = adev->vcn.cpu_addr;
163 
164 	adev->vcn.saved_bo = kvmalloc(size, GFP_KERNEL);
165 	if (!adev->vcn.saved_bo)
166 		return -ENOMEM;
167 
168 	memcpy_fromio(adev->vcn.saved_bo, ptr, size);
169 
170 	return 0;
171 }
172 
amdgpu_vcn_resume(struct amdgpu_device * adev)173 int amdgpu_vcn_resume(struct amdgpu_device *adev)
174 {
175 	unsigned size;
176 	void *ptr;
177 
178 	if (adev->vcn.vcpu_bo == NULL)
179 		return -EINVAL;
180 
181 	size = amdgpu_bo_size(adev->vcn.vcpu_bo);
182 	ptr = adev->vcn.cpu_addr;
183 
184 	if (adev->vcn.saved_bo != NULL) {
185 		memcpy_toio(ptr, adev->vcn.saved_bo, size);
186 		kvfree(adev->vcn.saved_bo);
187 		adev->vcn.saved_bo = NULL;
188 	} else {
189 		const struct common_firmware_header *hdr;
190 		unsigned offset;
191 
192 		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
193 		if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
194 			offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
195 			memcpy_toio(adev->vcn.cpu_addr, adev->vcn.fw->data + offset,
196 				    le32_to_cpu(hdr->ucode_size_bytes));
197 			size -= le32_to_cpu(hdr->ucode_size_bytes);
198 			ptr += le32_to_cpu(hdr->ucode_size_bytes);
199 		}
200 		memset_io(ptr, 0, size);
201 	}
202 
203 	return 0;
204 }
205 
amdgpu_vcn_idle_work_handler(struct work_struct * work)206 static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
207 {
208 	struct amdgpu_device *adev =
209 		container_of(work, struct amdgpu_device, vcn.idle_work.work);
210 	unsigned fences = amdgpu_fence_count_emitted(&adev->vcn.ring_dec);
211 	unsigned i;
212 
213 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
214 		fences += amdgpu_fence_count_emitted(&adev->vcn.ring_enc[i]);
215 	}
216 
217 	fences += amdgpu_fence_count_emitted(&adev->vcn.ring_jpeg);
218 
219 	if (fences == 0) {
220 		if (adev->pm.dpm_enabled)
221 			amdgpu_dpm_enable_uvd(adev, false);
222 		else
223 			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
224 							       AMD_PG_STATE_GATE);
225 	} else {
226 		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
227 	}
228 }
229 
amdgpu_vcn_ring_begin_use(struct amdgpu_ring * ring)230 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
231 {
232 	struct amdgpu_device *adev = ring->adev;
233 	bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
234 
235 	if (set_clocks) {
236 		if (adev->pm.dpm_enabled)
237 			amdgpu_dpm_enable_uvd(adev, true);
238 		else
239 			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
240 							       AMD_PG_STATE_UNGATE);
241 	}
242 }
243 
amdgpu_vcn_ring_end_use(struct amdgpu_ring * ring)244 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
245 {
246 	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
247 }
248 
amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring * ring)249 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
250 {
251 	struct amdgpu_device *adev = ring->adev;
252 	uint32_t tmp = 0;
253 	unsigned i;
254 	int r;
255 
256 	WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0xCAFEDEAD);
257 	r = amdgpu_ring_alloc(ring, 3);
258 	if (r) {
259 		DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
260 			  ring->idx, r);
261 		return r;
262 	}
263 	amdgpu_ring_write(ring,
264 		PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0));
265 	amdgpu_ring_write(ring, 0xDEADBEEF);
266 	amdgpu_ring_commit(ring);
267 	for (i = 0; i < adev->usec_timeout; i++) {
268 		tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID));
269 		if (tmp == 0xDEADBEEF)
270 			break;
271 		DRM_UDELAY(1);
272 	}
273 
274 	if (i < adev->usec_timeout) {
275 		DRM_DEBUG("ring test on %d succeeded in %d usecs\n",
276 			 ring->idx, i);
277 	} else {
278 		DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
279 			  ring->idx, tmp);
280 		r = -EINVAL;
281 	}
282 	return r;
283 }
284 
amdgpu_vcn_dec_send_msg(struct amdgpu_ring * ring,struct amdgpu_bo * bo,struct dma_fence ** fence)285 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
286 				   struct amdgpu_bo *bo,
287 				   struct dma_fence **fence)
288 {
289 	struct amdgpu_device *adev = ring->adev;
290 	struct dma_fence *f = NULL;
291 	struct amdgpu_job *job;
292 	struct amdgpu_ib *ib;
293 	uint64_t addr;
294 	int i, r;
295 
296 	r = amdgpu_job_alloc_with_ib(adev, 64, &job);
297 	if (r)
298 		goto err;
299 
300 	ib = &job->ibs[0];
301 	addr = amdgpu_bo_gpu_offset(bo);
302 	ib->ptr[0] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0);
303 	ib->ptr[1] = addr;
304 	ib->ptr[2] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0);
305 	ib->ptr[3] = addr >> 32;
306 	ib->ptr[4] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0);
307 	ib->ptr[5] = 0;
308 	for (i = 6; i < 16; i += 2) {
309 		ib->ptr[i] = PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0);
310 		ib->ptr[i+1] = 0;
311 	}
312 	ib->length_dw = 16;
313 
314 	r = amdgpu_job_submit_direct(job, ring, &f);
315 	if (r)
316 		goto err_free;
317 
318 	amdgpu_bo_fence(bo, f, false);
319 	amdgpu_bo_unreserve(bo);
320 	amdgpu_bo_unref(&bo);
321 
322 	if (fence)
323 		*fence = dma_fence_get(f);
324 	dma_fence_put(f);
325 
326 	return 0;
327 
328 err_free:
329 	amdgpu_job_free(job);
330 
331 err:
332 	amdgpu_bo_unreserve(bo);
333 	amdgpu_bo_unref(&bo);
334 	return r;
335 }
336 
amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring * ring,uint32_t handle,struct dma_fence ** fence)337 static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
338 			      struct dma_fence **fence)
339 {
340 	struct amdgpu_device *adev = ring->adev;
341 	struct amdgpu_bo *bo = NULL;
342 	uint32_t *msg;
343 	int r, i;
344 
345 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
346 				      AMDGPU_GEM_DOMAIN_VRAM,
347 				      &bo, NULL, (void **)&msg);
348 	if (r)
349 		return r;
350 
351 	msg[0] = cpu_to_le32(0x00000028);
352 	msg[1] = cpu_to_le32(0x00000038);
353 	msg[2] = cpu_to_le32(0x00000001);
354 	msg[3] = cpu_to_le32(0x00000000);
355 	msg[4] = cpu_to_le32(handle);
356 	msg[5] = cpu_to_le32(0x00000000);
357 	msg[6] = cpu_to_le32(0x00000001);
358 	msg[7] = cpu_to_le32(0x00000028);
359 	msg[8] = cpu_to_le32(0x00000010);
360 	msg[9] = cpu_to_le32(0x00000000);
361 	msg[10] = cpu_to_le32(0x00000007);
362 	msg[11] = cpu_to_le32(0x00000000);
363 	msg[12] = cpu_to_le32(0x00000780);
364 	msg[13] = cpu_to_le32(0x00000440);
365 	for (i = 14; i < 1024; ++i)
366 		msg[i] = cpu_to_le32(0x0);
367 
368 	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
369 }
370 
amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring * ring,uint32_t handle,struct dma_fence ** fence)371 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
372 			       struct dma_fence **fence)
373 {
374 	struct amdgpu_device *adev = ring->adev;
375 	struct amdgpu_bo *bo = NULL;
376 	uint32_t *msg;
377 	int r, i;
378 
379 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
380 				      AMDGPU_GEM_DOMAIN_VRAM,
381 				      &bo, NULL, (void **)&msg);
382 	if (r)
383 		return r;
384 
385 	msg[0] = cpu_to_le32(0x00000028);
386 	msg[1] = cpu_to_le32(0x00000018);
387 	msg[2] = cpu_to_le32(0x00000000);
388 	msg[3] = cpu_to_le32(0x00000002);
389 	msg[4] = cpu_to_le32(handle);
390 	msg[5] = cpu_to_le32(0x00000000);
391 	for (i = 6; i < 1024; ++i)
392 		msg[i] = cpu_to_le32(0x0);
393 
394 	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
395 }
396 
amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring * ring,long timeout)397 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
398 {
399 	struct dma_fence *fence;
400 	long r;
401 
402 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, NULL);
403 	if (r) {
404 		DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r);
405 		goto error;
406 	}
407 
408 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &fence);
409 	if (r) {
410 		DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
411 		goto error;
412 	}
413 
414 	r = dma_fence_wait_timeout(fence, false, timeout);
415 	if (r == 0) {
416 		DRM_ERROR("amdgpu: IB test timed out.\n");
417 		r = -ETIMEDOUT;
418 	} else if (r < 0) {
419 		DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
420 	} else {
421 		DRM_DEBUG("ib test on ring %d succeeded\n",  ring->idx);
422 		r = 0;
423 	}
424 
425 	dma_fence_put(fence);
426 
427 error:
428 	return r;
429 }
430 
amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring * ring)431 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
432 {
433 	struct amdgpu_device *adev = ring->adev;
434 	uint32_t rptr = amdgpu_ring_get_rptr(ring);
435 	unsigned i;
436 	int r;
437 
438 	r = amdgpu_ring_alloc(ring, 16);
439 	if (r) {
440 		DRM_ERROR("amdgpu: vcn enc failed to lock ring %d (%d).\n",
441 			  ring->idx, r);
442 		return r;
443 	}
444 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
445 	amdgpu_ring_commit(ring);
446 
447 	for (i = 0; i < adev->usec_timeout; i++) {
448 		if (amdgpu_ring_get_rptr(ring) != rptr)
449 			break;
450 		DRM_UDELAY(1);
451 	}
452 
453 	if (i < adev->usec_timeout) {
454 		DRM_DEBUG("ring test on %d succeeded in %d usecs\n",
455 			 ring->idx, i);
456 	} else {
457 		DRM_ERROR("amdgpu: ring %d test failed\n",
458 			  ring->idx);
459 		r = -ETIMEDOUT;
460 	}
461 
462 	return r;
463 }
464 
amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring * ring,uint32_t handle,struct dma_fence ** fence)465 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
466 			      struct dma_fence **fence)
467 {
468 	const unsigned ib_size_dw = 16;
469 	struct amdgpu_job *job;
470 	struct amdgpu_ib *ib;
471 	struct dma_fence *f = NULL;
472 	uint64_t dummy;
473 	int i, r;
474 
475 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
476 	if (r)
477 		return r;
478 
479 	ib = &job->ibs[0];
480 	dummy = ib->gpu_addr + 1024;
481 
482 	ib->length_dw = 0;
483 	ib->ptr[ib->length_dw++] = 0x00000018;
484 	ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
485 	ib->ptr[ib->length_dw++] = handle;
486 	ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
487 	ib->ptr[ib->length_dw++] = dummy;
488 	ib->ptr[ib->length_dw++] = 0x0000000b;
489 
490 	ib->ptr[ib->length_dw++] = 0x00000014;
491 	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
492 	ib->ptr[ib->length_dw++] = 0x0000001c;
493 	ib->ptr[ib->length_dw++] = 0x00000000;
494 	ib->ptr[ib->length_dw++] = 0x00000000;
495 
496 	ib->ptr[ib->length_dw++] = 0x00000008;
497 	ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
498 
499 	for (i = ib->length_dw; i < ib_size_dw; ++i)
500 		ib->ptr[i] = 0x0;
501 
502 	r = amdgpu_job_submit_direct(job, ring, &f);
503 	if (r)
504 		goto err;
505 
506 	if (fence)
507 		*fence = dma_fence_get(f);
508 	dma_fence_put(f);
509 
510 	return 0;
511 
512 err:
513 	amdgpu_job_free(job);
514 	return r;
515 }
516 
amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring * ring,uint32_t handle,struct dma_fence ** fence)517 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
518 				struct dma_fence **fence)
519 {
520 	const unsigned ib_size_dw = 16;
521 	struct amdgpu_job *job;
522 	struct amdgpu_ib *ib;
523 	struct dma_fence *f = NULL;
524 	uint64_t dummy;
525 	int i, r;
526 
527 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
528 	if (r)
529 		return r;
530 
531 	ib = &job->ibs[0];
532 	dummy = ib->gpu_addr + 1024;
533 
534 	ib->length_dw = 0;
535 	ib->ptr[ib->length_dw++] = 0x00000018;
536 	ib->ptr[ib->length_dw++] = 0x00000001;
537 	ib->ptr[ib->length_dw++] = handle;
538 	ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
539 	ib->ptr[ib->length_dw++] = dummy;
540 	ib->ptr[ib->length_dw++] = 0x0000000b;
541 
542 	ib->ptr[ib->length_dw++] = 0x00000014;
543 	ib->ptr[ib->length_dw++] = 0x00000002;
544 	ib->ptr[ib->length_dw++] = 0x0000001c;
545 	ib->ptr[ib->length_dw++] = 0x00000000;
546 	ib->ptr[ib->length_dw++] = 0x00000000;
547 
548 	ib->ptr[ib->length_dw++] = 0x00000008;
549 	ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
550 
551 	for (i = ib->length_dw; i < ib_size_dw; ++i)
552 		ib->ptr[i] = 0x0;
553 
554 	r = amdgpu_job_submit_direct(job, ring, &f);
555 	if (r)
556 		goto err;
557 
558 	if (fence)
559 		*fence = dma_fence_get(f);
560 	dma_fence_put(f);
561 
562 	return 0;
563 
564 err:
565 	amdgpu_job_free(job);
566 	return r;
567 }
568 
amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring * ring,long timeout)569 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
570 {
571 	struct dma_fence *fence = NULL;
572 	long r;
573 
574 	r = amdgpu_vcn_enc_get_create_msg(ring, 1, NULL);
575 	if (r) {
576 		DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r);
577 		goto error;
578 	}
579 
580 	r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, &fence);
581 	if (r) {
582 		DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
583 		goto error;
584 	}
585 
586 	r = dma_fence_wait_timeout(fence, false, timeout);
587 	if (r == 0) {
588 		DRM_ERROR("amdgpu: IB test timed out.\n");
589 		r = -ETIMEDOUT;
590 	} else if (r < 0) {
591 		DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
592 	} else {
593 		DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx);
594 		r = 0;
595 	}
596 error:
597 	dma_fence_put(fence);
598 	return r;
599 }
600 
amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring * ring)601 int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring)
602 {
603 	struct amdgpu_device *adev = ring->adev;
604 	uint32_t tmp = 0;
605 	unsigned i;
606 	int r;
607 
608 	WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0xCAFEDEAD);
609 	r = amdgpu_ring_alloc(ring, 3);
610 
611 	if (r) {
612 		DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
613 				  ring->idx, r);
614 		return r;
615 	}
616 
617 	amdgpu_ring_write(ring,
618 		PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0, 0, 0));
619 	amdgpu_ring_write(ring, 0xDEADBEEF);
620 	amdgpu_ring_commit(ring);
621 
622 	for (i = 0; i < adev->usec_timeout; i++) {
623 		tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID));
624 		if (tmp == 0xDEADBEEF)
625 			break;
626 		DRM_UDELAY(1);
627 	}
628 
629 	if (i < adev->usec_timeout) {
630 		DRM_DEBUG("ring test on %d succeeded in %d usecs\n",
631 				  ring->idx, i);
632 	} else {
633 		DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
634 				  ring->idx, tmp);
635 		r = -EINVAL;
636 	}
637 
638 	return r;
639 }
640 
amdgpu_vcn_jpeg_set_reg(struct amdgpu_ring * ring,uint32_t handle,struct dma_fence ** fence)641 static int amdgpu_vcn_jpeg_set_reg(struct amdgpu_ring *ring, uint32_t handle,
642 		struct dma_fence **fence)
643 {
644 	struct amdgpu_device *adev = ring->adev;
645 	struct amdgpu_job *job;
646 	struct amdgpu_ib *ib;
647 	struct dma_fence *f = NULL;
648 	const unsigned ib_size_dw = 16;
649 	int i, r;
650 
651 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
652 	if (r)
653 		return r;
654 
655 	ib = &job->ibs[0];
656 
657 	ib->ptr[0] = PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_PITCH), 0, 0, PACKETJ_TYPE0);
658 	ib->ptr[1] = 0xDEADBEEF;
659 	for (i = 2; i < 16; i += 2) {
660 		ib->ptr[i] = PACKETJ(0, 0, 0, PACKETJ_TYPE6);
661 		ib->ptr[i+1] = 0;
662 	}
663 	ib->length_dw = 16;
664 
665 	r = amdgpu_job_submit_direct(job, ring, &f);
666 	if (r)
667 		goto err;
668 
669 	if (fence)
670 		*fence = dma_fence_get(f);
671 	dma_fence_put(f);
672 
673 	return 0;
674 
675 err:
676 	amdgpu_job_free(job);
677 	return r;
678 }
679 
amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring * ring,long timeout)680 int amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring *ring, long timeout)
681 {
682 	struct amdgpu_device *adev = ring->adev;
683 	uint32_t tmp = 0;
684 	unsigned i;
685 	struct dma_fence *fence = NULL;
686 	long r = 0;
687 
688 	r = amdgpu_vcn_jpeg_set_reg(ring, 1, &fence);
689 	if (r) {
690 		DRM_ERROR("amdgpu: failed to set jpeg register (%ld).\n", r);
691 		goto error;
692 	}
693 
694 	r = dma_fence_wait_timeout(fence, false, timeout);
695 	if (r == 0) {
696 		DRM_ERROR("amdgpu: IB test timed out.\n");
697 		r = -ETIMEDOUT;
698 		goto error;
699 	} else if (r < 0) {
700 		DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
701 		goto error;
702 	} else
703 		r = 0;
704 
705 	for (i = 0; i < adev->usec_timeout; i++) {
706 		tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_PITCH));
707 		if (tmp == 0xDEADBEEF)
708 			break;
709 		DRM_UDELAY(1);
710 	}
711 
712 	if (i < adev->usec_timeout)
713 		DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx);
714 	else {
715 		DRM_ERROR("ib test failed (0x%08X)\n", tmp);
716 		r = -EINVAL;
717 	}
718 
719 	dma_fence_put(fence);
720 
721 error:
722 	return r;
723 }
724