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 "amdgpu.h"
32 #include "amdgpu_pm.h"
33 #include "amdgpu_vcn.h"
34 #include "soc15d.h"
35 
36 /* Firmware Names */
37 #define FIRMWARE_RAVEN		"amdgpu/raven_vcn.bin"
38 #define FIRMWARE_PICASSO	"amdgpu/picasso_vcn.bin"
39 #define FIRMWARE_RAVEN2		"amdgpu/raven2_vcn.bin"
40 #define FIRMWARE_ARCTURUS 	"amdgpu/arcturus_vcn.bin"
41 #define FIRMWARE_RENOIR 	"amdgpu/renoir_vcn.bin"
42 #define FIRMWARE_GREEN_SARDINE 	"amdgpu/green_sardine_vcn.bin"
43 #define FIRMWARE_NAVI10 	"amdgpu/navi10_vcn.bin"
44 #define FIRMWARE_NAVI14 	"amdgpu/navi14_vcn.bin"
45 #define FIRMWARE_NAVI12 	"amdgpu/navi12_vcn.bin"
46 #define FIRMWARE_SIENNA_CICHLID 	"amdgpu/sienna_cichlid_vcn.bin"
47 #define FIRMWARE_NAVY_FLOUNDER 	"amdgpu/navy_flounder_vcn.bin"
48 
49 MODULE_FIRMWARE(FIRMWARE_RAVEN);
50 MODULE_FIRMWARE(FIRMWARE_PICASSO);
51 MODULE_FIRMWARE(FIRMWARE_RAVEN2);
52 MODULE_FIRMWARE(FIRMWARE_ARCTURUS);
53 MODULE_FIRMWARE(FIRMWARE_RENOIR);
54 MODULE_FIRMWARE(FIRMWARE_GREEN_SARDINE);
55 MODULE_FIRMWARE(FIRMWARE_NAVI10);
56 MODULE_FIRMWARE(FIRMWARE_NAVI14);
57 MODULE_FIRMWARE(FIRMWARE_NAVI12);
58 MODULE_FIRMWARE(FIRMWARE_SIENNA_CICHLID);
59 MODULE_FIRMWARE(FIRMWARE_NAVY_FLOUNDER);
60 
61 static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
62 
amdgpu_vcn_sw_init(struct amdgpu_device * adev)63 int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
64 {
65 	unsigned long bo_size;
66 	const char *fw_name;
67 	const struct common_firmware_header *hdr;
68 	unsigned char fw_check;
69 	int i, r;
70 
71 	INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
72 	mutex_init(&adev->vcn.vcn_pg_lock);
73 	mutex_init(&adev->vcn.vcn1_jpeg1_workaround);
74 	atomic_set(&adev->vcn.total_submission_cnt, 0);
75 	for (i = 0; i < adev->vcn.num_vcn_inst; i++)
76 		atomic_set(&adev->vcn.inst[i].dpg_enc_submission_cnt, 0);
77 
78 	switch (adev->asic_type) {
79 	case CHIP_RAVEN:
80 		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
81 			fw_name = FIRMWARE_RAVEN2;
82 		else if (adev->apu_flags & AMD_APU_IS_PICASSO)
83 			fw_name = FIRMWARE_PICASSO;
84 		else
85 			fw_name = FIRMWARE_RAVEN;
86 		break;
87 	case CHIP_ARCTURUS:
88 		fw_name = FIRMWARE_ARCTURUS;
89 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
90 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
91 			adev->vcn.indirect_sram = true;
92 		break;
93 	case CHIP_RENOIR:
94 		if (adev->apu_flags & AMD_APU_IS_RENOIR)
95 			fw_name = FIRMWARE_RENOIR;
96 		else
97 			fw_name = FIRMWARE_GREEN_SARDINE;
98 
99 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
100 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
101 			adev->vcn.indirect_sram = true;
102 		break;
103 	case CHIP_NAVI10:
104 		fw_name = FIRMWARE_NAVI10;
105 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
106 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
107 			adev->vcn.indirect_sram = true;
108 		break;
109 	case CHIP_NAVI14:
110 		fw_name = FIRMWARE_NAVI14;
111 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
112 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
113 			adev->vcn.indirect_sram = true;
114 		break;
115 	case CHIP_NAVI12:
116 		fw_name = FIRMWARE_NAVI12;
117 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
118 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
119 			adev->vcn.indirect_sram = true;
120 		break;
121 	case CHIP_SIENNA_CICHLID:
122 		fw_name = FIRMWARE_SIENNA_CICHLID;
123 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
124 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
125 			adev->vcn.indirect_sram = true;
126 		break;
127 	case CHIP_NAVY_FLOUNDER:
128 		fw_name = FIRMWARE_NAVY_FLOUNDER;
129 		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
130 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
131 			adev->vcn.indirect_sram = true;
132 		break;
133 	default:
134 		return -EINVAL;
135 	}
136 
137 	r = request_firmware(&adev->vcn.fw, fw_name, adev->dev);
138 	if (r) {
139 		dev_err(adev->dev, "amdgpu_vcn: Can't load firmware \"%s\"\n",
140 			fw_name);
141 		return r;
142 	}
143 
144 	r = amdgpu_ucode_validate(adev->vcn.fw);
145 	if (r) {
146 		dev_err(adev->dev, "amdgpu_vcn: Can't validate firmware \"%s\"\n",
147 			fw_name);
148 		release_firmware(adev->vcn.fw);
149 		adev->vcn.fw = NULL;
150 		return r;
151 	}
152 
153 	hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
154 	adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
155 
156 	/* Bit 20-23, it is encode major and non-zero for new naming convention.
157 	 * This field is part of version minor and DRM_DISABLED_FLAG in old naming
158 	 * convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
159 	 * is zero in old naming convention, this field is always zero so far.
160 	 * These four bits are used to tell which naming convention is present.
161 	 */
162 	fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
163 	if (fw_check) {
164 		unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
165 
166 		fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
167 		enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
168 		enc_major = fw_check;
169 		dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
170 		vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
171 		DRM_INFO("Found VCN firmware Version ENC: %hu.%hu DEC: %hu VEP: %hu Revision: %hu\n",
172 			enc_major, enc_minor, dec_ver, vep, fw_rev);
173 	} else {
174 		unsigned int version_major, version_minor, family_id;
175 
176 		family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
177 		version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
178 		version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
179 		DRM_INFO("Found VCN firmware Version: %hu.%hu Family ID: %hu\n",
180 			version_major, version_minor, family_id);
181 	}
182 
183 	bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
184 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
185 		bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
186 	bo_size += AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
187 
188 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
189 		if (adev->vcn.harvest_config & (1 << i))
190 			continue;
191 
192 		r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
193 						AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].vcpu_bo,
194 						&adev->vcn.inst[i].gpu_addr, &adev->vcn.inst[i].cpu_addr);
195 		if (r) {
196 			dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
197 			return r;
198 		}
199 
200 		adev->vcn.inst[i].fw_shared_cpu_addr = adev->vcn.inst[i].cpu_addr +
201 				bo_size - AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
202 		adev->vcn.inst[i].fw_shared_gpu_addr = adev->vcn.inst[i].gpu_addr +
203 				bo_size - AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
204 
205 		if (adev->vcn.indirect_sram) {
206 			r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
207 					AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].dpg_sram_bo,
208 					&adev->vcn.inst[i].dpg_sram_gpu_addr, &adev->vcn.inst[i].dpg_sram_cpu_addr);
209 			if (r) {
210 				dev_err(adev->dev, "VCN %d (%d) failed to allocate DPG bo\n", i, r);
211 				return r;
212 			}
213 		}
214 	}
215 
216 	return 0;
217 }
218 
amdgpu_vcn_sw_fini(struct amdgpu_device * adev)219 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
220 {
221 	int i, j;
222 
223 	cancel_delayed_work_sync(&adev->vcn.idle_work);
224 
225 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
226 		if (adev->vcn.harvest_config & (1 << j))
227 			continue;
228 
229 		if (adev->vcn.indirect_sram) {
230 			amdgpu_bo_free_kernel(&adev->vcn.inst[j].dpg_sram_bo,
231 						  &adev->vcn.inst[j].dpg_sram_gpu_addr,
232 						  (void **)&adev->vcn.inst[j].dpg_sram_cpu_addr);
233 		}
234 		kvfree(adev->vcn.inst[j].saved_bo);
235 
236 		amdgpu_bo_free_kernel(&adev->vcn.inst[j].vcpu_bo,
237 					  &adev->vcn.inst[j].gpu_addr,
238 					  (void **)&adev->vcn.inst[j].cpu_addr);
239 
240 		amdgpu_ring_fini(&adev->vcn.inst[j].ring_dec);
241 
242 		for (i = 0; i < adev->vcn.num_enc_rings; ++i)
243 			amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
244 	}
245 
246 	release_firmware(adev->vcn.fw);
247 	mutex_destroy(&adev->vcn.vcn1_jpeg1_workaround);
248 	mutex_destroy(&adev->vcn.vcn_pg_lock);
249 
250 	return 0;
251 }
252 
amdgpu_vcn_suspend(struct amdgpu_device * adev)253 int amdgpu_vcn_suspend(struct amdgpu_device *adev)
254 {
255 	unsigned size;
256 	void *ptr;
257 	int i;
258 
259 	cancel_delayed_work_sync(&adev->vcn.idle_work);
260 
261 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
262 		if (adev->vcn.harvest_config & (1 << i))
263 			continue;
264 		if (adev->vcn.inst[i].vcpu_bo == NULL)
265 			return 0;
266 
267 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
268 		ptr = adev->vcn.inst[i].cpu_addr;
269 
270 		adev->vcn.inst[i].saved_bo = kvmalloc(size, GFP_KERNEL);
271 		if (!adev->vcn.inst[i].saved_bo)
272 			return -ENOMEM;
273 
274 		memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
275 	}
276 	return 0;
277 }
278 
amdgpu_vcn_resume(struct amdgpu_device * adev)279 int amdgpu_vcn_resume(struct amdgpu_device *adev)
280 {
281 	unsigned size;
282 	void *ptr;
283 	int i;
284 
285 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
286 		if (adev->vcn.harvest_config & (1 << i))
287 			continue;
288 		if (adev->vcn.inst[i].vcpu_bo == NULL)
289 			return -EINVAL;
290 
291 		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
292 		ptr = adev->vcn.inst[i].cpu_addr;
293 
294 		if (adev->vcn.inst[i].saved_bo != NULL) {
295 			memcpy_toio(ptr, adev->vcn.inst[i].saved_bo, size);
296 			kvfree(adev->vcn.inst[i].saved_bo);
297 			adev->vcn.inst[i].saved_bo = NULL;
298 		} else {
299 			const struct common_firmware_header *hdr;
300 			unsigned offset;
301 
302 			hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
303 			if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
304 				offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
305 				memcpy_toio(adev->vcn.inst[i].cpu_addr, adev->vcn.fw->data + offset,
306 					    le32_to_cpu(hdr->ucode_size_bytes));
307 				size -= le32_to_cpu(hdr->ucode_size_bytes);
308 				ptr += le32_to_cpu(hdr->ucode_size_bytes);
309 			}
310 			memset_io(ptr, 0, size);
311 		}
312 	}
313 	return 0;
314 }
315 
amdgpu_vcn_idle_work_handler(struct work_struct * work)316 static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
317 {
318 	struct amdgpu_device *adev =
319 		container_of(work, struct amdgpu_device, vcn.idle_work.work);
320 	unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
321 	unsigned int i, j;
322 
323 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
324 		if (adev->vcn.harvest_config & (1 << j))
325 			continue;
326 
327 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
328 			fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
329 		}
330 
331 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
332 			struct dpg_pause_state new_state;
333 
334 			if (fence[j] ||
335 				unlikely(atomic_read(&adev->vcn.inst[j].dpg_enc_submission_cnt)))
336 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
337 			else
338 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
339 
340 			adev->vcn.pause_dpg_mode(adev, j, &new_state);
341 		}
342 
343 		fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
344 		fences += fence[j];
345 	}
346 
347 	if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
348 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
349 		       AMD_PG_STATE_GATE);
350 	} else {
351 		schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
352 	}
353 }
354 
amdgpu_vcn_ring_begin_use(struct amdgpu_ring * ring)355 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
356 {
357 	struct amdgpu_device *adev = ring->adev;
358 
359 	atomic_inc(&adev->vcn.total_submission_cnt);
360 	cancel_delayed_work_sync(&adev->vcn.idle_work);
361 
362 	mutex_lock(&adev->vcn.vcn_pg_lock);
363 	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
364 	       AMD_PG_STATE_UNGATE);
365 
366 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
367 		struct dpg_pause_state new_state;
368 
369 		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
370 			atomic_inc(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
371 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
372 		} else {
373 			unsigned int fences = 0;
374 			unsigned int i;
375 
376 			for (i = 0; i < adev->vcn.num_enc_rings; ++i)
377 				fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
378 
379 			if (fences || atomic_read(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt))
380 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
381 			else
382 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
383 		}
384 
385 		adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
386 	}
387 	mutex_unlock(&adev->vcn.vcn_pg_lock);
388 }
389 
amdgpu_vcn_ring_end_use(struct amdgpu_ring * ring)390 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
391 {
392 	if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
393 		ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
394 		atomic_dec(&ring->adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
395 
396 	atomic_dec(&ring->adev->vcn.total_submission_cnt);
397 
398 	schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
399 }
400 
amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring * ring)401 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
402 {
403 	struct amdgpu_device *adev = ring->adev;
404 	uint32_t tmp = 0;
405 	unsigned i;
406 	int r;
407 
408 	/* VCN in SRIOV does not support direct register read/write */
409 	if (amdgpu_sriov_vf(adev))
410 		return 0;
411 
412 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
413 	r = amdgpu_ring_alloc(ring, 3);
414 	if (r)
415 		return r;
416 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
417 	amdgpu_ring_write(ring, 0xDEADBEEF);
418 	amdgpu_ring_commit(ring);
419 	for (i = 0; i < adev->usec_timeout; i++) {
420 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
421 		if (tmp == 0xDEADBEEF)
422 			break;
423 		udelay(1);
424 	}
425 
426 	if (i >= adev->usec_timeout)
427 		r = -ETIMEDOUT;
428 
429 	return r;
430 }
431 
amdgpu_vcn_dec_send_msg(struct amdgpu_ring * ring,struct amdgpu_bo * bo,struct dma_fence ** fence)432 static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
433 				   struct amdgpu_bo *bo,
434 				   struct dma_fence **fence)
435 {
436 	struct amdgpu_device *adev = ring->adev;
437 	struct dma_fence *f = NULL;
438 	struct amdgpu_job *job;
439 	struct amdgpu_ib *ib;
440 	uint64_t addr;
441 	int i, r;
442 
443 	r = amdgpu_job_alloc_with_ib(adev, 64,
444 					AMDGPU_IB_POOL_DIRECT, &job);
445 	if (r)
446 		goto err;
447 
448 	ib = &job->ibs[0];
449 	addr = amdgpu_bo_gpu_offset(bo);
450 	ib->ptr[0] = PACKET0(adev->vcn.internal.data0, 0);
451 	ib->ptr[1] = addr;
452 	ib->ptr[2] = PACKET0(adev->vcn.internal.data1, 0);
453 	ib->ptr[3] = addr >> 32;
454 	ib->ptr[4] = PACKET0(adev->vcn.internal.cmd, 0);
455 	ib->ptr[5] = 0;
456 	for (i = 6; i < 16; i += 2) {
457 		ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
458 		ib->ptr[i+1] = 0;
459 	}
460 	ib->length_dw = 16;
461 
462 	r = amdgpu_job_submit_direct(job, ring, &f);
463 	if (r)
464 		goto err_free;
465 
466 	amdgpu_bo_fence(bo, f, false);
467 	amdgpu_bo_unreserve(bo);
468 	amdgpu_bo_unref(&bo);
469 
470 	if (fence)
471 		*fence = dma_fence_get(f);
472 	dma_fence_put(f);
473 
474 	return 0;
475 
476 err_free:
477 	amdgpu_job_free(job);
478 
479 err:
480 	amdgpu_bo_unreserve(bo);
481 	amdgpu_bo_unref(&bo);
482 	return r;
483 }
484 
amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring * ring,uint32_t handle,struct dma_fence ** fence)485 static int amdgpu_vcn_dec_get_create_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(0x00000038);
501 	msg[2] = cpu_to_le32(0x00000001);
502 	msg[3] = cpu_to_le32(0x00000000);
503 	msg[4] = cpu_to_le32(handle);
504 	msg[5] = cpu_to_le32(0x00000000);
505 	msg[6] = cpu_to_le32(0x00000001);
506 	msg[7] = cpu_to_le32(0x00000028);
507 	msg[8] = cpu_to_le32(0x00000010);
508 	msg[9] = cpu_to_le32(0x00000000);
509 	msg[10] = cpu_to_le32(0x00000007);
510 	msg[11] = cpu_to_le32(0x00000000);
511 	msg[12] = cpu_to_le32(0x00000780);
512 	msg[13] = cpu_to_le32(0x00000440);
513 	for (i = 14; i < 1024; ++i)
514 		msg[i] = cpu_to_le32(0x0);
515 
516 	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
517 }
518 
amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring * ring,uint32_t handle,struct dma_fence ** fence)519 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
520 			       struct dma_fence **fence)
521 {
522 	struct amdgpu_device *adev = ring->adev;
523 	struct amdgpu_bo *bo = NULL;
524 	uint32_t *msg;
525 	int r, i;
526 
527 	r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
528 				      AMDGPU_GEM_DOMAIN_VRAM,
529 				      &bo, NULL, (void **)&msg);
530 	if (r)
531 		return r;
532 
533 	msg[0] = cpu_to_le32(0x00000028);
534 	msg[1] = cpu_to_le32(0x00000018);
535 	msg[2] = cpu_to_le32(0x00000000);
536 	msg[3] = cpu_to_le32(0x00000002);
537 	msg[4] = cpu_to_le32(handle);
538 	msg[5] = cpu_to_le32(0x00000000);
539 	for (i = 6; i < 1024; ++i)
540 		msg[i] = cpu_to_le32(0x0);
541 
542 	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
543 }
544 
amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring * ring,long timeout)545 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
546 {
547 	struct dma_fence *fence;
548 	long r;
549 
550 	r = amdgpu_vcn_dec_get_create_msg(ring, 1, NULL);
551 	if (r)
552 		goto error;
553 
554 	r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &fence);
555 	if (r)
556 		goto error;
557 
558 	r = dma_fence_wait_timeout(fence, false, timeout);
559 	if (r == 0)
560 		r = -ETIMEDOUT;
561 	else if (r > 0)
562 		r = 0;
563 
564 	dma_fence_put(fence);
565 error:
566 	return r;
567 }
568 
amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring * ring)569 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
570 {
571 	struct amdgpu_device *adev = ring->adev;
572 	uint32_t rptr;
573 	unsigned i;
574 	int r;
575 
576 	if (amdgpu_sriov_vf(adev))
577 		return 0;
578 
579 	r = amdgpu_ring_alloc(ring, 16);
580 	if (r)
581 		return r;
582 
583 	rptr = amdgpu_ring_get_rptr(ring);
584 
585 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
586 	amdgpu_ring_commit(ring);
587 
588 	for (i = 0; i < adev->usec_timeout; i++) {
589 		if (amdgpu_ring_get_rptr(ring) != rptr)
590 			break;
591 		udelay(1);
592 	}
593 
594 	if (i >= adev->usec_timeout)
595 		r = -ETIMEDOUT;
596 
597 	return r;
598 }
599 
amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring * ring,uint32_t handle,struct amdgpu_bo * bo,struct dma_fence ** fence)600 static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
601 					 struct amdgpu_bo *bo,
602 					 struct dma_fence **fence)
603 {
604 	const unsigned ib_size_dw = 16;
605 	struct amdgpu_job *job;
606 	struct amdgpu_ib *ib;
607 	struct dma_fence *f = NULL;
608 	uint64_t addr;
609 	int i, r;
610 
611 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
612 					AMDGPU_IB_POOL_DIRECT, &job);
613 	if (r)
614 		return r;
615 
616 	ib = &job->ibs[0];
617 	addr = amdgpu_bo_gpu_offset(bo);
618 
619 	ib->length_dw = 0;
620 	ib->ptr[ib->length_dw++] = 0x00000018;
621 	ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
622 	ib->ptr[ib->length_dw++] = handle;
623 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
624 	ib->ptr[ib->length_dw++] = addr;
625 	ib->ptr[ib->length_dw++] = 0x0000000b;
626 
627 	ib->ptr[ib->length_dw++] = 0x00000014;
628 	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
629 	ib->ptr[ib->length_dw++] = 0x0000001c;
630 	ib->ptr[ib->length_dw++] = 0x00000000;
631 	ib->ptr[ib->length_dw++] = 0x00000000;
632 
633 	ib->ptr[ib->length_dw++] = 0x00000008;
634 	ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
635 
636 	for (i = ib->length_dw; i < ib_size_dw; ++i)
637 		ib->ptr[i] = 0x0;
638 
639 	r = amdgpu_job_submit_direct(job, ring, &f);
640 	if (r)
641 		goto err;
642 
643 	if (fence)
644 		*fence = dma_fence_get(f);
645 	dma_fence_put(f);
646 
647 	return 0;
648 
649 err:
650 	amdgpu_job_free(job);
651 	return r;
652 }
653 
amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring * ring,uint32_t handle,struct amdgpu_bo * bo,struct dma_fence ** fence)654 static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
655 					  struct amdgpu_bo *bo,
656 					  struct dma_fence **fence)
657 {
658 	const unsigned ib_size_dw = 16;
659 	struct amdgpu_job *job;
660 	struct amdgpu_ib *ib;
661 	struct dma_fence *f = NULL;
662 	uint64_t addr;
663 	int i, r;
664 
665 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
666 					AMDGPU_IB_POOL_DIRECT, &job);
667 	if (r)
668 		return r;
669 
670 	ib = &job->ibs[0];
671 	addr = amdgpu_bo_gpu_offset(bo);
672 
673 	ib->length_dw = 0;
674 	ib->ptr[ib->length_dw++] = 0x00000018;
675 	ib->ptr[ib->length_dw++] = 0x00000001;
676 	ib->ptr[ib->length_dw++] = handle;
677 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
678 	ib->ptr[ib->length_dw++] = addr;
679 	ib->ptr[ib->length_dw++] = 0x0000000b;
680 
681 	ib->ptr[ib->length_dw++] = 0x00000014;
682 	ib->ptr[ib->length_dw++] = 0x00000002;
683 	ib->ptr[ib->length_dw++] = 0x0000001c;
684 	ib->ptr[ib->length_dw++] = 0x00000000;
685 	ib->ptr[ib->length_dw++] = 0x00000000;
686 
687 	ib->ptr[ib->length_dw++] = 0x00000008;
688 	ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
689 
690 	for (i = ib->length_dw; i < ib_size_dw; ++i)
691 		ib->ptr[i] = 0x0;
692 
693 	r = amdgpu_job_submit_direct(job, ring, &f);
694 	if (r)
695 		goto err;
696 
697 	if (fence)
698 		*fence = dma_fence_get(f);
699 	dma_fence_put(f);
700 
701 	return 0;
702 
703 err:
704 	amdgpu_job_free(job);
705 	return r;
706 }
707 
amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring * ring,long timeout)708 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
709 {
710 	struct dma_fence *fence = NULL;
711 	struct amdgpu_bo *bo = NULL;
712 	long r;
713 
714 	r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE,
715 				      AMDGPU_GEM_DOMAIN_VRAM,
716 				      &bo, NULL, NULL);
717 	if (r)
718 		return r;
719 
720 	r = amdgpu_vcn_enc_get_create_msg(ring, 1, bo, NULL);
721 	if (r)
722 		goto error;
723 
724 	r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, bo, &fence);
725 	if (r)
726 		goto error;
727 
728 	r = dma_fence_wait_timeout(fence, false, timeout);
729 	if (r == 0)
730 		r = -ETIMEDOUT;
731 	else if (r > 0)
732 		r = 0;
733 
734 error:
735 	dma_fence_put(fence);
736 	amdgpu_bo_unreserve(bo);
737 	amdgpu_bo_unref(&bo);
738 	return r;
739 }
740