xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c (revision 31e67366)
1 /*
2  * Copyright 2016 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 
26 #include "amdgpu.h"
27 #include "amdgpu_uvd.h"
28 #include "soc15.h"
29 #include "soc15d.h"
30 #include "soc15_common.h"
31 #include "mmsch_v1_0.h"
32 
33 #include "uvd/uvd_7_0_offset.h"
34 #include "uvd/uvd_7_0_sh_mask.h"
35 #include "vce/vce_4_0_offset.h"
36 #include "vce/vce_4_0_default.h"
37 #include "vce/vce_4_0_sh_mask.h"
38 #include "nbif/nbif_6_1_offset.h"
39 #include "mmhub/mmhub_1_0_offset.h"
40 #include "mmhub/mmhub_1_0_sh_mask.h"
41 #include "ivsrcid/uvd/irqsrcs_uvd_7_0.h"
42 
43 #define mmUVD_PG0_CC_UVD_HARVESTING                                                                    0x00c7
44 #define mmUVD_PG0_CC_UVD_HARVESTING_BASE_IDX                                                           1
45 //UVD_PG0_CC_UVD_HARVESTING
46 #define UVD_PG0_CC_UVD_HARVESTING__UVD_DISABLE__SHIFT                                                         0x1
47 #define UVD_PG0_CC_UVD_HARVESTING__UVD_DISABLE_MASK                                                           0x00000002L
48 
49 #define UVD7_MAX_HW_INSTANCES_VEGA20			2
50 
51 static void uvd_v7_0_set_ring_funcs(struct amdgpu_device *adev);
52 static void uvd_v7_0_set_enc_ring_funcs(struct amdgpu_device *adev);
53 static void uvd_v7_0_set_irq_funcs(struct amdgpu_device *adev);
54 static int uvd_v7_0_start(struct amdgpu_device *adev);
55 static void uvd_v7_0_stop(struct amdgpu_device *adev);
56 static int uvd_v7_0_sriov_start(struct amdgpu_device *adev);
57 
58 static int amdgpu_ih_clientid_uvds[] = {
59 	SOC15_IH_CLIENTID_UVD,
60 	SOC15_IH_CLIENTID_UVD1
61 };
62 
63 /**
64  * uvd_v7_0_ring_get_rptr - get read pointer
65  *
66  * @ring: amdgpu_ring pointer
67  *
68  * Returns the current hardware read pointer
69  */
70 static uint64_t uvd_v7_0_ring_get_rptr(struct amdgpu_ring *ring)
71 {
72 	struct amdgpu_device *adev = ring->adev;
73 
74 	return RREG32_SOC15(UVD, ring->me, mmUVD_RBC_RB_RPTR);
75 }
76 
77 /**
78  * uvd_v7_0_enc_ring_get_rptr - get enc read pointer
79  *
80  * @ring: amdgpu_ring pointer
81  *
82  * Returns the current hardware enc read pointer
83  */
84 static uint64_t uvd_v7_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
85 {
86 	struct amdgpu_device *adev = ring->adev;
87 
88 	if (ring == &adev->uvd.inst[ring->me].ring_enc[0])
89 		return RREG32_SOC15(UVD, ring->me, mmUVD_RB_RPTR);
90 	else
91 		return RREG32_SOC15(UVD, ring->me, mmUVD_RB_RPTR2);
92 }
93 
94 /**
95  * uvd_v7_0_ring_get_wptr - get write pointer
96  *
97  * @ring: amdgpu_ring pointer
98  *
99  * Returns the current hardware write pointer
100  */
101 static uint64_t uvd_v7_0_ring_get_wptr(struct amdgpu_ring *ring)
102 {
103 	struct amdgpu_device *adev = ring->adev;
104 
105 	return RREG32_SOC15(UVD, ring->me, mmUVD_RBC_RB_WPTR);
106 }
107 
108 /**
109  * uvd_v7_0_enc_ring_get_wptr - get enc write pointer
110  *
111  * @ring: amdgpu_ring pointer
112  *
113  * Returns the current hardware enc write pointer
114  */
115 static uint64_t uvd_v7_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
116 {
117 	struct amdgpu_device *adev = ring->adev;
118 
119 	if (ring->use_doorbell)
120 		return adev->wb.wb[ring->wptr_offs];
121 
122 	if (ring == &adev->uvd.inst[ring->me].ring_enc[0])
123 		return RREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR);
124 	else
125 		return RREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR2);
126 }
127 
128 /**
129  * uvd_v7_0_ring_set_wptr - set write pointer
130  *
131  * @ring: amdgpu_ring pointer
132  *
133  * Commits the write pointer to the hardware
134  */
135 static void uvd_v7_0_ring_set_wptr(struct amdgpu_ring *ring)
136 {
137 	struct amdgpu_device *adev = ring->adev;
138 
139 	WREG32_SOC15(UVD, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
140 }
141 
142 /**
143  * uvd_v7_0_enc_ring_set_wptr - set enc write pointer
144  *
145  * @ring: amdgpu_ring pointer
146  *
147  * Commits the enc write pointer to the hardware
148  */
149 static void uvd_v7_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
150 {
151 	struct amdgpu_device *adev = ring->adev;
152 
153 	if (ring->use_doorbell) {
154 		/* XXX check if swapping is necessary on BE */
155 		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
156 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
157 		return;
158 	}
159 
160 	if (ring == &adev->uvd.inst[ring->me].ring_enc[0])
161 		WREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR,
162 			lower_32_bits(ring->wptr));
163 	else
164 		WREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR2,
165 			lower_32_bits(ring->wptr));
166 }
167 
168 /**
169  * uvd_v7_0_enc_ring_test_ring - test if UVD ENC ring is working
170  *
171  * @ring: the engine to test on
172  *
173  */
174 static int uvd_v7_0_enc_ring_test_ring(struct amdgpu_ring *ring)
175 {
176 	struct amdgpu_device *adev = ring->adev;
177 	uint32_t rptr;
178 	unsigned i;
179 	int r;
180 
181 	if (amdgpu_sriov_vf(adev))
182 		return 0;
183 
184 	r = amdgpu_ring_alloc(ring, 16);
185 	if (r)
186 		return r;
187 
188 	rptr = amdgpu_ring_get_rptr(ring);
189 
190 	amdgpu_ring_write(ring, HEVC_ENC_CMD_END);
191 	amdgpu_ring_commit(ring);
192 
193 	for (i = 0; i < adev->usec_timeout; i++) {
194 		if (amdgpu_ring_get_rptr(ring) != rptr)
195 			break;
196 		udelay(1);
197 	}
198 
199 	if (i >= adev->usec_timeout)
200 		r = -ETIMEDOUT;
201 
202 	return r;
203 }
204 
205 /**
206  * uvd_v7_0_enc_get_create_msg - generate a UVD ENC create msg
207  *
208  * @ring: ring we should submit the msg to
209  * @handle: session handle to use
210  * @bo: amdgpu object for which we query the offset
211  * @fence: optional fence to return
212  *
213  * Open up a stream for HW test
214  */
215 static int uvd_v7_0_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
216 				       struct amdgpu_bo *bo,
217 				       struct dma_fence **fence)
218 {
219 	const unsigned ib_size_dw = 16;
220 	struct amdgpu_job *job;
221 	struct amdgpu_ib *ib;
222 	struct dma_fence *f = NULL;
223 	uint64_t addr;
224 	int i, r;
225 
226 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
227 					AMDGPU_IB_POOL_DIRECT, &job);
228 	if (r)
229 		return r;
230 
231 	ib = &job->ibs[0];
232 	addr = amdgpu_bo_gpu_offset(bo);
233 
234 	ib->length_dw = 0;
235 	ib->ptr[ib->length_dw++] = 0x00000018;
236 	ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
237 	ib->ptr[ib->length_dw++] = handle;
238 	ib->ptr[ib->length_dw++] = 0x00000000;
239 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
240 	ib->ptr[ib->length_dw++] = addr;
241 
242 	ib->ptr[ib->length_dw++] = 0x00000014;
243 	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
244 	ib->ptr[ib->length_dw++] = 0x0000001c;
245 	ib->ptr[ib->length_dw++] = 0x00000000;
246 	ib->ptr[ib->length_dw++] = 0x00000000;
247 
248 	ib->ptr[ib->length_dw++] = 0x00000008;
249 	ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
250 
251 	for (i = ib->length_dw; i < ib_size_dw; ++i)
252 		ib->ptr[i] = 0x0;
253 
254 	r = amdgpu_job_submit_direct(job, ring, &f);
255 	if (r)
256 		goto err;
257 
258 	if (fence)
259 		*fence = dma_fence_get(f);
260 	dma_fence_put(f);
261 	return 0;
262 
263 err:
264 	amdgpu_job_free(job);
265 	return r;
266 }
267 
268 /**
269  * uvd_v7_0_enc_get_destroy_msg - generate a UVD ENC destroy msg
270  *
271  * @ring: ring we should submit the msg to
272  * @handle: session handle to use
273  * @bo: amdgpu object for which we query the offset
274  * @fence: optional fence to return
275  *
276  * Close up a stream for HW test or if userspace failed to do so
277  */
278 static int uvd_v7_0_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
279 					struct amdgpu_bo *bo,
280 					struct dma_fence **fence)
281 {
282 	const unsigned ib_size_dw = 16;
283 	struct amdgpu_job *job;
284 	struct amdgpu_ib *ib;
285 	struct dma_fence *f = NULL;
286 	uint64_t addr;
287 	int i, r;
288 
289 	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
290 					AMDGPU_IB_POOL_DIRECT, &job);
291 	if (r)
292 		return r;
293 
294 	ib = &job->ibs[0];
295 	addr = amdgpu_bo_gpu_offset(bo);
296 
297 	ib->length_dw = 0;
298 	ib->ptr[ib->length_dw++] = 0x00000018;
299 	ib->ptr[ib->length_dw++] = 0x00000001;
300 	ib->ptr[ib->length_dw++] = handle;
301 	ib->ptr[ib->length_dw++] = 0x00000000;
302 	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
303 	ib->ptr[ib->length_dw++] = addr;
304 
305 	ib->ptr[ib->length_dw++] = 0x00000014;
306 	ib->ptr[ib->length_dw++] = 0x00000002;
307 	ib->ptr[ib->length_dw++] = 0x0000001c;
308 	ib->ptr[ib->length_dw++] = 0x00000000;
309 	ib->ptr[ib->length_dw++] = 0x00000000;
310 
311 	ib->ptr[ib->length_dw++] = 0x00000008;
312 	ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
313 
314 	for (i = ib->length_dw; i < ib_size_dw; ++i)
315 		ib->ptr[i] = 0x0;
316 
317 	r = amdgpu_job_submit_direct(job, ring, &f);
318 	if (r)
319 		goto err;
320 
321 	if (fence)
322 		*fence = dma_fence_get(f);
323 	dma_fence_put(f);
324 	return 0;
325 
326 err:
327 	amdgpu_job_free(job);
328 	return r;
329 }
330 
331 /**
332  * uvd_v7_0_enc_ring_test_ib - test if UVD ENC IBs are working
333  *
334  * @ring: the engine to test on
335  * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
336  *
337  */
338 static int uvd_v7_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
339 {
340 	struct dma_fence *fence = NULL;
341 	struct amdgpu_bo *bo = NULL;
342 	long r;
343 
344 	r = amdgpu_bo_create_reserved(ring->adev, 128 * 1024, PAGE_SIZE,
345 				      AMDGPU_GEM_DOMAIN_VRAM,
346 				      &bo, NULL, NULL);
347 	if (r)
348 		return r;
349 
350 	r = uvd_v7_0_enc_get_create_msg(ring, 1, bo, NULL);
351 	if (r)
352 		goto error;
353 
354 	r = uvd_v7_0_enc_get_destroy_msg(ring, 1, bo, &fence);
355 	if (r)
356 		goto error;
357 
358 	r = dma_fence_wait_timeout(fence, false, timeout);
359 	if (r == 0)
360 		r = -ETIMEDOUT;
361 	else if (r > 0)
362 		r = 0;
363 
364 error:
365 	dma_fence_put(fence);
366 	amdgpu_bo_unreserve(bo);
367 	amdgpu_bo_unref(&bo);
368 	return r;
369 }
370 
371 static int uvd_v7_0_early_init(void *handle)
372 {
373 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
374 
375 	if (adev->asic_type == CHIP_VEGA20) {
376 		u32 harvest;
377 		int i;
378 
379 		adev->uvd.num_uvd_inst = UVD7_MAX_HW_INSTANCES_VEGA20;
380 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
381 			harvest = RREG32_SOC15(UVD, i, mmUVD_PG0_CC_UVD_HARVESTING);
382 			if (harvest & UVD_PG0_CC_UVD_HARVESTING__UVD_DISABLE_MASK) {
383 				adev->uvd.harvest_config |= 1 << i;
384 			}
385 		}
386 		if (adev->uvd.harvest_config == (AMDGPU_UVD_HARVEST_UVD0 |
387 						 AMDGPU_UVD_HARVEST_UVD1))
388 			/* both instances are harvested, disable the block */
389 			return -ENOENT;
390 	} else {
391 		adev->uvd.num_uvd_inst = 1;
392 	}
393 
394 	if (amdgpu_sriov_vf(adev))
395 		adev->uvd.num_enc_rings = 1;
396 	else
397 		adev->uvd.num_enc_rings = 2;
398 	uvd_v7_0_set_ring_funcs(adev);
399 	uvd_v7_0_set_enc_ring_funcs(adev);
400 	uvd_v7_0_set_irq_funcs(adev);
401 
402 	return 0;
403 }
404 
405 static int uvd_v7_0_sw_init(void *handle)
406 {
407 	struct amdgpu_ring *ring;
408 
409 	int i, j, r;
410 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
411 
412 	for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
413 		if (adev->uvd.harvest_config & (1 << j))
414 			continue;
415 		/* UVD TRAP */
416 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_uvds[j], UVD_7_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->uvd.inst[j].irq);
417 		if (r)
418 			return r;
419 
420 		/* UVD ENC TRAP */
421 		for (i = 0; i < adev->uvd.num_enc_rings; ++i) {
422 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_uvds[j], i + UVD_7_0__SRCID__UVD_ENC_GEN_PURP, &adev->uvd.inst[j].irq);
423 			if (r)
424 				return r;
425 		}
426 	}
427 
428 	r = amdgpu_uvd_sw_init(adev);
429 	if (r)
430 		return r;
431 
432 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
433 		const struct common_firmware_header *hdr;
434 		hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
435 		adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].ucode_id = AMDGPU_UCODE_ID_UVD;
436 		adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].fw = adev->uvd.fw;
437 		adev->firmware.fw_size +=
438 			ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
439 
440 		if (adev->uvd.num_uvd_inst == UVD7_MAX_HW_INSTANCES_VEGA20) {
441 			adev->firmware.ucode[AMDGPU_UCODE_ID_UVD1].ucode_id = AMDGPU_UCODE_ID_UVD1;
442 			adev->firmware.ucode[AMDGPU_UCODE_ID_UVD1].fw = adev->uvd.fw;
443 			adev->firmware.fw_size +=
444 				ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
445 		}
446 		DRM_INFO("PSP loading UVD firmware\n");
447 	}
448 
449 	for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
450 		if (adev->uvd.harvest_config & (1 << j))
451 			continue;
452 		if (!amdgpu_sriov_vf(adev)) {
453 			ring = &adev->uvd.inst[j].ring;
454 			sprintf(ring->name, "uvd_%d", ring->me);
455 			r = amdgpu_ring_init(adev, ring, 512,
456 					     &adev->uvd.inst[j].irq, 0,
457 					     AMDGPU_RING_PRIO_DEFAULT);
458 			if (r)
459 				return r;
460 		}
461 
462 		for (i = 0; i < adev->uvd.num_enc_rings; ++i) {
463 			ring = &adev->uvd.inst[j].ring_enc[i];
464 			sprintf(ring->name, "uvd_enc_%d.%d", ring->me, i);
465 			if (amdgpu_sriov_vf(adev)) {
466 				ring->use_doorbell = true;
467 
468 				/* currently only use the first enconding ring for
469 				 * sriov, so set unused location for other unused rings.
470 				 */
471 				if (i == 0)
472 					ring->doorbell_index = adev->doorbell_index.uvd_vce.uvd_ring0_1 * 2;
473 				else
474 					ring->doorbell_index = adev->doorbell_index.uvd_vce.uvd_ring2_3 * 2 + 1;
475 			}
476 			r = amdgpu_ring_init(adev, ring, 512,
477 					     &adev->uvd.inst[j].irq, 0,
478 					     AMDGPU_RING_PRIO_DEFAULT);
479 			if (r)
480 				return r;
481 		}
482 	}
483 
484 	r = amdgpu_uvd_resume(adev);
485 	if (r)
486 		return r;
487 
488 	r = amdgpu_uvd_entity_init(adev);
489 	if (r)
490 		return r;
491 
492 	r = amdgpu_virt_alloc_mm_table(adev);
493 	if (r)
494 		return r;
495 
496 	return r;
497 }
498 
499 static int uvd_v7_0_sw_fini(void *handle)
500 {
501 	int i, j, r;
502 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
503 
504 	amdgpu_virt_free_mm_table(adev);
505 
506 	r = amdgpu_uvd_suspend(adev);
507 	if (r)
508 		return r;
509 
510 	for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
511 		if (adev->uvd.harvest_config & (1 << j))
512 			continue;
513 		for (i = 0; i < adev->uvd.num_enc_rings; ++i)
514 			amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
515 	}
516 	return amdgpu_uvd_sw_fini(adev);
517 }
518 
519 /**
520  * uvd_v7_0_hw_init - start and test UVD block
521  *
522  * @handle: handle used to pass amdgpu_device pointer
523  *
524  * Initialize the hardware, boot up the VCPU and do some testing
525  */
526 static int uvd_v7_0_hw_init(void *handle)
527 {
528 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
529 	struct amdgpu_ring *ring;
530 	uint32_t tmp;
531 	int i, j, r;
532 
533 	if (amdgpu_sriov_vf(adev))
534 		r = uvd_v7_0_sriov_start(adev);
535 	else
536 		r = uvd_v7_0_start(adev);
537 	if (r)
538 		goto done;
539 
540 	for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
541 		if (adev->uvd.harvest_config & (1 << j))
542 			continue;
543 		ring = &adev->uvd.inst[j].ring;
544 
545 		if (!amdgpu_sriov_vf(adev)) {
546 			r = amdgpu_ring_test_helper(ring);
547 			if (r)
548 				goto done;
549 
550 			r = amdgpu_ring_alloc(ring, 10);
551 			if (r) {
552 				DRM_ERROR("amdgpu: (%d)ring failed to lock UVD ring (%d).\n", j, r);
553 				goto done;
554 			}
555 
556 			tmp = PACKET0(SOC15_REG_OFFSET(UVD, j,
557 				mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL), 0);
558 			amdgpu_ring_write(ring, tmp);
559 			amdgpu_ring_write(ring, 0xFFFFF);
560 
561 			tmp = PACKET0(SOC15_REG_OFFSET(UVD, j,
562 				mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL), 0);
563 			amdgpu_ring_write(ring, tmp);
564 			amdgpu_ring_write(ring, 0xFFFFF);
565 
566 			tmp = PACKET0(SOC15_REG_OFFSET(UVD, j,
567 				mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL), 0);
568 			amdgpu_ring_write(ring, tmp);
569 			amdgpu_ring_write(ring, 0xFFFFF);
570 
571 			/* Clear timeout status bits */
572 			amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, j,
573 				mmUVD_SEMA_TIMEOUT_STATUS), 0));
574 			amdgpu_ring_write(ring, 0x8);
575 
576 			amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, j,
577 				mmUVD_SEMA_CNTL), 0));
578 			amdgpu_ring_write(ring, 3);
579 
580 			amdgpu_ring_commit(ring);
581 		}
582 
583 		for (i = 0; i < adev->uvd.num_enc_rings; ++i) {
584 			ring = &adev->uvd.inst[j].ring_enc[i];
585 			r = amdgpu_ring_test_helper(ring);
586 			if (r)
587 				goto done;
588 		}
589 	}
590 done:
591 	if (!r)
592 		DRM_INFO("UVD and UVD ENC initialized successfully.\n");
593 
594 	return r;
595 }
596 
597 /**
598  * uvd_v7_0_hw_fini - stop the hardware block
599  *
600  * @handle: handle used to pass amdgpu_device pointer
601  *
602  * Stop the UVD block, mark ring as not ready any more
603  */
604 static int uvd_v7_0_hw_fini(void *handle)
605 {
606 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
607 
608 	if (!amdgpu_sriov_vf(adev))
609 		uvd_v7_0_stop(adev);
610 	else {
611 		/* full access mode, so don't touch any UVD register */
612 		DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
613 	}
614 
615 	return 0;
616 }
617 
618 static int uvd_v7_0_suspend(void *handle)
619 {
620 	int r;
621 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
622 
623 	r = uvd_v7_0_hw_fini(adev);
624 	if (r)
625 		return r;
626 
627 	return amdgpu_uvd_suspend(adev);
628 }
629 
630 static int uvd_v7_0_resume(void *handle)
631 {
632 	int r;
633 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
634 
635 	r = amdgpu_uvd_resume(adev);
636 	if (r)
637 		return r;
638 
639 	return uvd_v7_0_hw_init(adev);
640 }
641 
642 /**
643  * uvd_v7_0_mc_resume - memory controller programming
644  *
645  * @adev: amdgpu_device pointer
646  *
647  * Let the UVD memory controller know it's offsets
648  */
649 static void uvd_v7_0_mc_resume(struct amdgpu_device *adev)
650 {
651 	uint32_t size = AMDGPU_UVD_FIRMWARE_SIZE(adev);
652 	uint32_t offset;
653 	int i;
654 
655 	for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
656 		if (adev->uvd.harvest_config & (1 << i))
657 			continue;
658 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
659 			WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
660 				i == 0 ?
661 				adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].tmr_mc_addr_lo:
662 				adev->firmware.ucode[AMDGPU_UCODE_ID_UVD1].tmr_mc_addr_lo);
663 			WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
664 				i == 0 ?
665 				adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].tmr_mc_addr_hi:
666 				adev->firmware.ucode[AMDGPU_UCODE_ID_UVD1].tmr_mc_addr_hi);
667 			WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET0, 0);
668 			offset = 0;
669 		} else {
670 			WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
671 				lower_32_bits(adev->uvd.inst[i].gpu_addr));
672 			WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
673 				upper_32_bits(adev->uvd.inst[i].gpu_addr));
674 			offset = size;
675 			WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET0,
676 					AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
677 		}
678 
679 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_SIZE0, size);
680 
681 		WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
682 				lower_32_bits(adev->uvd.inst[i].gpu_addr + offset));
683 		WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
684 				upper_32_bits(adev->uvd.inst[i].gpu_addr + offset));
685 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET1, (1 << 21));
686 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_UVD_HEAP_SIZE);
687 
688 		WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
689 				lower_32_bits(adev->uvd.inst[i].gpu_addr + offset + AMDGPU_UVD_HEAP_SIZE));
690 		WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
691 				upper_32_bits(adev->uvd.inst[i].gpu_addr + offset + AMDGPU_UVD_HEAP_SIZE));
692 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET2, (2 << 21));
693 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_SIZE2,
694 				AMDGPU_UVD_STACK_SIZE + (AMDGPU_UVD_SESSION_SIZE * 40));
695 
696 		WREG32_SOC15(UVD, i, mmUVD_UDEC_ADDR_CONFIG,
697 				adev->gfx.config.gb_addr_config);
698 		WREG32_SOC15(UVD, i, mmUVD_UDEC_DB_ADDR_CONFIG,
699 				adev->gfx.config.gb_addr_config);
700 		WREG32_SOC15(UVD, i, mmUVD_UDEC_DBW_ADDR_CONFIG,
701 				adev->gfx.config.gb_addr_config);
702 
703 		WREG32_SOC15(UVD, i, mmUVD_GP_SCRATCH4, adev->uvd.max_handles);
704 	}
705 }
706 
707 static int uvd_v7_0_mmsch_start(struct amdgpu_device *adev,
708 				struct amdgpu_mm_table *table)
709 {
710 	uint32_t data = 0, loop;
711 	uint64_t addr = table->gpu_addr;
712 	struct mmsch_v1_0_init_header *header = (struct mmsch_v1_0_init_header *)table->cpu_addr;
713 	uint32_t size;
714 	int i;
715 
716 	size = header->header_size + header->vce_table_size + header->uvd_table_size;
717 
718 	/* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of memory descriptor location */
719 	WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
720 	WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
721 
722 	/* 2, update vmid of descriptor */
723 	data = RREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_VMID);
724 	data &= ~VCE_MMSCH_VF_VMID__VF_CTX_VMID_MASK;
725 	data |= (0 << VCE_MMSCH_VF_VMID__VF_CTX_VMID__SHIFT); /* use domain0 for MM scheduler */
726 	WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_VMID, data);
727 
728 	/* 3, notify mmsch about the size of this descriptor */
729 	WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_CTX_SIZE, size);
730 
731 	/* 4, set resp to zero */
732 	WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP, 0);
733 
734 	for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
735 		if (adev->uvd.harvest_config & (1 << i))
736 			continue;
737 		WDOORBELL32(adev->uvd.inst[i].ring_enc[0].doorbell_index, 0);
738 		adev->wb.wb[adev->uvd.inst[i].ring_enc[0].wptr_offs] = 0;
739 		adev->uvd.inst[i].ring_enc[0].wptr = 0;
740 		adev->uvd.inst[i].ring_enc[0].wptr_old = 0;
741 	}
742 	/* 5, kick off the initialization and wait until VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero */
743 	WREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_HOST, 0x10000001);
744 
745 	data = RREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP);
746 	loop = 1000;
747 	while ((data & 0x10000002) != 0x10000002) {
748 		udelay(10);
749 		data = RREG32_SOC15(VCE, 0, mmVCE_MMSCH_VF_MAILBOX_RESP);
750 		loop--;
751 		if (!loop)
752 			break;
753 	}
754 
755 	if (!loop) {
756 		dev_err(adev->dev, "failed to init MMSCH, mmVCE_MMSCH_VF_MAILBOX_RESP = %x\n", data);
757 		return -EBUSY;
758 	}
759 
760 	return 0;
761 }
762 
763 static int uvd_v7_0_sriov_start(struct amdgpu_device *adev)
764 {
765 	struct amdgpu_ring *ring;
766 	uint32_t offset, size, tmp;
767 	uint32_t table_size = 0;
768 	struct mmsch_v1_0_cmd_direct_write direct_wt = { {0} };
769 	struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { {0} };
770 	struct mmsch_v1_0_cmd_direct_polling direct_poll = { {0} };
771 	struct mmsch_v1_0_cmd_end end = { {0} };
772 	uint32_t *init_table = adev->virt.mm_table.cpu_addr;
773 	struct mmsch_v1_0_init_header *header = (struct mmsch_v1_0_init_header *)init_table;
774 	uint8_t i = 0;
775 
776 	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
777 	direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
778 	direct_poll.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_POLLING;
779 	end.cmd_header.command_type = MMSCH_COMMAND__END;
780 
781 	if (header->uvd_table_offset == 0 && header->uvd_table_size == 0) {
782 		header->version = MMSCH_VERSION;
783 		header->header_size = sizeof(struct mmsch_v1_0_init_header) >> 2;
784 
785 		if (header->vce_table_offset == 0 && header->vce_table_size == 0)
786 			header->uvd_table_offset = header->header_size;
787 		else
788 			header->uvd_table_offset = header->vce_table_size + header->vce_table_offset;
789 
790 		init_table += header->uvd_table_offset;
791 
792 		for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
793 			if (adev->uvd.harvest_config & (1 << i))
794 				continue;
795 			ring = &adev->uvd.inst[i].ring;
796 			ring->wptr = 0;
797 			size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4);
798 
799 			MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS),
800 							   0xFFFFFFFF, 0x00000004);
801 			/* mc resume*/
802 			if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
803 				MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i,
804 							mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
805 							adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].tmr_mc_addr_lo);
806 				MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i,
807 							mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
808 							adev->firmware.ucode[AMDGPU_UCODE_ID_UVD].tmr_mc_addr_hi);
809 				MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0);
810 				offset = 0;
811 			} else {
812 				MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
813 							    lower_32_bits(adev->uvd.inst[i].gpu_addr));
814 				MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
815 							    upper_32_bits(adev->uvd.inst[i].gpu_addr));
816 				offset = size;
817 				MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0),
818 							AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
819 
820 			}
821 
822 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE0), size);
823 
824 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
825 						    lower_32_bits(adev->uvd.inst[i].gpu_addr + offset));
826 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
827 						    upper_32_bits(adev->uvd.inst[i].gpu_addr + offset));
828 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET1), (1 << 21));
829 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_UVD_HEAP_SIZE);
830 
831 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
832 						    lower_32_bits(adev->uvd.inst[i].gpu_addr + offset + AMDGPU_UVD_HEAP_SIZE));
833 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
834 						    upper_32_bits(adev->uvd.inst[i].gpu_addr + offset + AMDGPU_UVD_HEAP_SIZE));
835 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET2), (2 << 21));
836 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE2),
837 						    AMDGPU_UVD_STACK_SIZE + (AMDGPU_UVD_SESSION_SIZE * 40));
838 
839 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_GP_SCRATCH4), adev->uvd.max_handles);
840 			/* mc resume end*/
841 
842 			/* disable clock gating */
843 			MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_CGC_CTRL),
844 							   ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK, 0);
845 
846 			/* disable interupt */
847 			MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_MASTINT_EN),
848 							   ~UVD_MASTINT_EN__VCPU_EN_MASK, 0);
849 
850 			/* stall UMC and register bus before resetting VCPU */
851 			MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_CTRL2),
852 							   ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK,
853 							   UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
854 
855 			/* put LMI, VCPU, RBC etc... into reset */
856 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_SOFT_RESET),
857 						    (uint32_t)(UVD_SOFT_RESET__LMI_SOFT_RESET_MASK |
858 							       UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK |
859 							       UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK |
860 							       UVD_SOFT_RESET__RBC_SOFT_RESET_MASK |
861 							       UVD_SOFT_RESET__CSM_SOFT_RESET_MASK |
862 							       UVD_SOFT_RESET__CXW_SOFT_RESET_MASK |
863 							       UVD_SOFT_RESET__TAP_SOFT_RESET_MASK |
864 							       UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK));
865 
866 			/* initialize UVD memory controller */
867 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_CTRL),
868 						    (uint32_t)((0x40 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
869 							       UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
870 							       UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
871 							       UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
872 							       UVD_LMI_CTRL__REQ_MODE_MASK |
873 							       0x00100000L));
874 
875 			/* take all subblocks out of reset, except VCPU */
876 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_SOFT_RESET),
877 						    UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
878 
879 			/* enable VCPU clock */
880 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL),
881 						    UVD_VCPU_CNTL__CLK_EN_MASK);
882 
883 			/* enable master interrupt */
884 			MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_MASTINT_EN),
885 							   ~(UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK),
886 							   (UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK));
887 
888 			/* clear the bit 4 of UVD_STATUS */
889 			MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS),
890 							   ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT), 0);
891 
892 			/* force RBC into idle state */
893 			size = order_base_2(ring->ring_size);
894 			tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, size);
895 			tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
896 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_RBC_RB_CNTL), tmp);
897 
898 			ring = &adev->uvd.inst[i].ring_enc[0];
899 			ring->wptr = 0;
900 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_LO), ring->gpu_addr);
901 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_HI), upper_32_bits(ring->gpu_addr));
902 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_RB_SIZE), ring->ring_size / 4);
903 
904 			/* boot up the VCPU */
905 			MMSCH_V1_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_SOFT_RESET), 0);
906 
907 			/* enable UMC */
908 			MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_CTRL2),
909 											   ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 0);
910 
911 			MMSCH_V1_0_INSERT_DIRECT_POLL(SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS), 0x02, 0x02);
912 		}
913 		/* add end packet */
914 		memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end));
915 		table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4;
916 		header->uvd_table_size = table_size;
917 
918 	}
919 	return uvd_v7_0_mmsch_start(adev, &adev->virt.mm_table);
920 }
921 
922 /**
923  * uvd_v7_0_start - start UVD block
924  *
925  * @adev: amdgpu_device pointer
926  *
927  * Setup and start the UVD block
928  */
929 static int uvd_v7_0_start(struct amdgpu_device *adev)
930 {
931 	struct amdgpu_ring *ring;
932 	uint32_t rb_bufsz, tmp;
933 	uint32_t lmi_swap_cntl;
934 	uint32_t mp_swap_cntl;
935 	int i, j, k, r;
936 
937 	for (k = 0; k < adev->uvd.num_uvd_inst; ++k) {
938 		if (adev->uvd.harvest_config & (1 << k))
939 			continue;
940 		/* disable DPG */
941 		WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_POWER_STATUS), 0,
942 				~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
943 	}
944 
945 	/* disable byte swapping */
946 	lmi_swap_cntl = 0;
947 	mp_swap_cntl = 0;
948 
949 	uvd_v7_0_mc_resume(adev);
950 
951 	for (k = 0; k < adev->uvd.num_uvd_inst; ++k) {
952 		if (adev->uvd.harvest_config & (1 << k))
953 			continue;
954 		ring = &adev->uvd.inst[k].ring;
955 		/* disable clock gating */
956 		WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_CGC_CTRL), 0,
957 				~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK);
958 
959 		/* disable interupt */
960 		WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_MASTINT_EN), 0,
961 				~UVD_MASTINT_EN__VCPU_EN_MASK);
962 
963 		/* stall UMC and register bus before resetting VCPU */
964 		WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_LMI_CTRL2),
965 				UVD_LMI_CTRL2__STALL_ARB_UMC_MASK,
966 				~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
967 		mdelay(1);
968 
969 		/* put LMI, VCPU, RBC etc... into reset */
970 		WREG32_SOC15(UVD, k, mmUVD_SOFT_RESET,
971 			UVD_SOFT_RESET__LMI_SOFT_RESET_MASK |
972 			UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK |
973 			UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK |
974 			UVD_SOFT_RESET__RBC_SOFT_RESET_MASK |
975 			UVD_SOFT_RESET__CSM_SOFT_RESET_MASK |
976 			UVD_SOFT_RESET__CXW_SOFT_RESET_MASK |
977 			UVD_SOFT_RESET__TAP_SOFT_RESET_MASK |
978 			UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
979 		mdelay(5);
980 
981 		/* initialize UVD memory controller */
982 		WREG32_SOC15(UVD, k, mmUVD_LMI_CTRL,
983 			(0x40 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
984 			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
985 			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
986 			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
987 			UVD_LMI_CTRL__REQ_MODE_MASK |
988 			0x00100000L);
989 
990 #ifdef __BIG_ENDIAN
991 		/* swap (8 in 32) RB and IB */
992 		lmi_swap_cntl = 0xa;
993 		mp_swap_cntl = 0;
994 #endif
995 		WREG32_SOC15(UVD, k, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
996 		WREG32_SOC15(UVD, k, mmUVD_MP_SWAP_CNTL, mp_swap_cntl);
997 
998 		WREG32_SOC15(UVD, k, mmUVD_MPC_SET_MUXA0, 0x40c2040);
999 		WREG32_SOC15(UVD, k, mmUVD_MPC_SET_MUXA1, 0x0);
1000 		WREG32_SOC15(UVD, k, mmUVD_MPC_SET_MUXB0, 0x40c2040);
1001 		WREG32_SOC15(UVD, k, mmUVD_MPC_SET_MUXB1, 0x0);
1002 		WREG32_SOC15(UVD, k, mmUVD_MPC_SET_ALU, 0);
1003 		WREG32_SOC15(UVD, k, mmUVD_MPC_SET_MUX, 0x88);
1004 
1005 		/* take all subblocks out of reset, except VCPU */
1006 		WREG32_SOC15(UVD, k, mmUVD_SOFT_RESET,
1007 				UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1008 		mdelay(5);
1009 
1010 		/* enable VCPU clock */
1011 		WREG32_SOC15(UVD, k, mmUVD_VCPU_CNTL,
1012 				UVD_VCPU_CNTL__CLK_EN_MASK);
1013 
1014 		/* enable UMC */
1015 		WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_LMI_CTRL2), 0,
1016 				~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1017 
1018 		/* boot up the VCPU */
1019 		WREG32_SOC15(UVD, k, mmUVD_SOFT_RESET, 0);
1020 		mdelay(10);
1021 
1022 		for (i = 0; i < 10; ++i) {
1023 			uint32_t status;
1024 
1025 			for (j = 0; j < 100; ++j) {
1026 				status = RREG32_SOC15(UVD, k, mmUVD_STATUS);
1027 				if (status & 2)
1028 					break;
1029 				mdelay(10);
1030 			}
1031 			r = 0;
1032 			if (status & 2)
1033 				break;
1034 
1035 			DRM_ERROR("UVD(%d) not responding, trying to reset the VCPU!!!\n", k);
1036 			WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_SOFT_RESET),
1037 					UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1038 					~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1039 			mdelay(10);
1040 			WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_SOFT_RESET), 0,
1041 					~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1042 			mdelay(10);
1043 			r = -1;
1044 		}
1045 
1046 		if (r) {
1047 			DRM_ERROR("UVD(%d) not responding, giving up!!!\n", k);
1048 			return r;
1049 		}
1050 		/* enable master interrupt */
1051 		WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_MASTINT_EN),
1052 			(UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK),
1053 			~(UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK));
1054 
1055 		/* clear the bit 4 of UVD_STATUS */
1056 		WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_STATUS), 0,
1057 				~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1058 
1059 		/* force RBC into idle state */
1060 		rb_bufsz = order_base_2(ring->ring_size);
1061 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1062 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1063 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1064 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0);
1065 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1066 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1067 		WREG32_SOC15(UVD, k, mmUVD_RBC_RB_CNTL, tmp);
1068 
1069 		/* set the write pointer delay */
1070 		WREG32_SOC15(UVD, k, mmUVD_RBC_RB_WPTR_CNTL, 0);
1071 
1072 		/* set the wb address */
1073 		WREG32_SOC15(UVD, k, mmUVD_RBC_RB_RPTR_ADDR,
1074 				(upper_32_bits(ring->gpu_addr) >> 2));
1075 
1076 		/* program the RB_BASE for ring buffer */
1077 		WREG32_SOC15(UVD, k, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1078 				lower_32_bits(ring->gpu_addr));
1079 		WREG32_SOC15(UVD, k, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1080 				upper_32_bits(ring->gpu_addr));
1081 
1082 		/* Initialize the ring buffer's read and write pointers */
1083 		WREG32_SOC15(UVD, k, mmUVD_RBC_RB_RPTR, 0);
1084 
1085 		ring->wptr = RREG32_SOC15(UVD, k, mmUVD_RBC_RB_RPTR);
1086 		WREG32_SOC15(UVD, k, mmUVD_RBC_RB_WPTR,
1087 				lower_32_bits(ring->wptr));
1088 
1089 		WREG32_P(SOC15_REG_OFFSET(UVD, k, mmUVD_RBC_RB_CNTL), 0,
1090 				~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);
1091 
1092 		ring = &adev->uvd.inst[k].ring_enc[0];
1093 		WREG32_SOC15(UVD, k, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1094 		WREG32_SOC15(UVD, k, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1095 		WREG32_SOC15(UVD, k, mmUVD_RB_BASE_LO, ring->gpu_addr);
1096 		WREG32_SOC15(UVD, k, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1097 		WREG32_SOC15(UVD, k, mmUVD_RB_SIZE, ring->ring_size / 4);
1098 
1099 		ring = &adev->uvd.inst[k].ring_enc[1];
1100 		WREG32_SOC15(UVD, k, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1101 		WREG32_SOC15(UVD, k, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1102 		WREG32_SOC15(UVD, k, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1103 		WREG32_SOC15(UVD, k, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1104 		WREG32_SOC15(UVD, k, mmUVD_RB_SIZE2, ring->ring_size / 4);
1105 	}
1106 	return 0;
1107 }
1108 
1109 /**
1110  * uvd_v7_0_stop - stop UVD block
1111  *
1112  * @adev: amdgpu_device pointer
1113  *
1114  * stop the UVD block
1115  */
1116 static void uvd_v7_0_stop(struct amdgpu_device *adev)
1117 {
1118 	uint8_t i = 0;
1119 
1120 	for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
1121 		if (adev->uvd.harvest_config & (1 << i))
1122 			continue;
1123 		/* force RBC into idle state */
1124 		WREG32_SOC15(UVD, i, mmUVD_RBC_RB_CNTL, 0x11010101);
1125 
1126 		/* Stall UMC and register bus before resetting VCPU */
1127 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_CTRL2),
1128 				UVD_LMI_CTRL2__STALL_ARB_UMC_MASK,
1129 				~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1130 		mdelay(1);
1131 
1132 		/* put VCPU into reset */
1133 		WREG32_SOC15(UVD, i, mmUVD_SOFT_RESET,
1134 				UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1135 		mdelay(5);
1136 
1137 		/* disable VCPU clock */
1138 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CNTL, 0x0);
1139 
1140 		/* Unstall UMC and register bus */
1141 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_CTRL2), 0,
1142 				~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1143 	}
1144 }
1145 
1146 /**
1147  * uvd_v7_0_ring_emit_fence - emit an fence & trap command
1148  *
1149  * @ring: amdgpu_ring pointer
1150  * @addr: address
1151  * @seq: sequence number
1152  * @flags: fence related flags
1153  *
1154  * Write a fence and a trap command to the ring.
1155  */
1156 static void uvd_v7_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1157 				     unsigned flags)
1158 {
1159 	struct amdgpu_device *adev = ring->adev;
1160 
1161 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1162 
1163 	amdgpu_ring_write(ring,
1164 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_CONTEXT_ID), 0));
1165 	amdgpu_ring_write(ring, seq);
1166 	amdgpu_ring_write(ring,
1167 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_DATA0), 0));
1168 	amdgpu_ring_write(ring, addr & 0xffffffff);
1169 	amdgpu_ring_write(ring,
1170 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_DATA1), 0));
1171 	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
1172 	amdgpu_ring_write(ring,
1173 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_CMD), 0));
1174 	amdgpu_ring_write(ring, 0);
1175 
1176 	amdgpu_ring_write(ring,
1177 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_DATA0), 0));
1178 	amdgpu_ring_write(ring, 0);
1179 	amdgpu_ring_write(ring,
1180 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_DATA1), 0));
1181 	amdgpu_ring_write(ring, 0);
1182 	amdgpu_ring_write(ring,
1183 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_CMD), 0));
1184 	amdgpu_ring_write(ring, 2);
1185 }
1186 
1187 /**
1188  * uvd_v7_0_enc_ring_emit_fence - emit an enc fence & trap command
1189  *
1190  * @ring: amdgpu_ring pointer
1191  * @addr: address
1192  * @seq: sequence number
1193  * @flags: fence related flags
1194  *
1195  * Write enc a fence and a trap command to the ring.
1196  */
1197 static void uvd_v7_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1198 			u64 seq, unsigned flags)
1199 {
1200 
1201 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1202 
1203 	amdgpu_ring_write(ring, HEVC_ENC_CMD_FENCE);
1204 	amdgpu_ring_write(ring, addr);
1205 	amdgpu_ring_write(ring, upper_32_bits(addr));
1206 	amdgpu_ring_write(ring, seq);
1207 	amdgpu_ring_write(ring, HEVC_ENC_CMD_TRAP);
1208 }
1209 
1210 /**
1211  * uvd_v7_0_ring_emit_hdp_flush - skip HDP flushing
1212  *
1213  * @ring: amdgpu_ring pointer
1214  */
1215 static void uvd_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
1216 {
1217 	/* The firmware doesn't seem to like touching registers at this point. */
1218 }
1219 
1220 /**
1221  * uvd_v7_0_ring_test_ring - register write test
1222  *
1223  * @ring: amdgpu_ring pointer
1224  *
1225  * Test if we can successfully write to the context register
1226  */
1227 static int uvd_v7_0_ring_test_ring(struct amdgpu_ring *ring)
1228 {
1229 	struct amdgpu_device *adev = ring->adev;
1230 	uint32_t tmp = 0;
1231 	unsigned i;
1232 	int r;
1233 
1234 	WREG32_SOC15(UVD, ring->me, mmUVD_CONTEXT_ID, 0xCAFEDEAD);
1235 	r = amdgpu_ring_alloc(ring, 3);
1236 	if (r)
1237 		return r;
1238 
1239 	amdgpu_ring_write(ring,
1240 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_CONTEXT_ID), 0));
1241 	amdgpu_ring_write(ring, 0xDEADBEEF);
1242 	amdgpu_ring_commit(ring);
1243 	for (i = 0; i < adev->usec_timeout; i++) {
1244 		tmp = RREG32_SOC15(UVD, ring->me, mmUVD_CONTEXT_ID);
1245 		if (tmp == 0xDEADBEEF)
1246 			break;
1247 		udelay(1);
1248 	}
1249 
1250 	if (i >= adev->usec_timeout)
1251 		r = -ETIMEDOUT;
1252 
1253 	return r;
1254 }
1255 
1256 /**
1257  * uvd_v7_0_ring_patch_cs_in_place - Patch the IB for command submission.
1258  *
1259  * @p: the CS parser with the IBs
1260  * @ib_idx: which IB to patch
1261  *
1262  */
1263 static int uvd_v7_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
1264 					   uint32_t ib_idx)
1265 {
1266 	struct amdgpu_ring *ring = to_amdgpu_ring(p->entity->rq->sched);
1267 	struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
1268 	unsigned i;
1269 
1270 	/* No patching necessary for the first instance */
1271 	if (!ring->me)
1272 		return 0;
1273 
1274 	for (i = 0; i < ib->length_dw; i += 2) {
1275 		uint32_t reg = amdgpu_get_ib_value(p, ib_idx, i);
1276 
1277 		reg -= p->adev->reg_offset[UVD_HWIP][0][1];
1278 		reg += p->adev->reg_offset[UVD_HWIP][1][1];
1279 
1280 		amdgpu_set_ib_value(p, ib_idx, i, reg);
1281 	}
1282 	return 0;
1283 }
1284 
1285 /**
1286  * uvd_v7_0_ring_emit_ib - execute indirect buffer
1287  *
1288  * @ring: amdgpu_ring pointer
1289  * @job: job to retrieve vmid from
1290  * @ib: indirect buffer to execute
1291  * @flags: unused
1292  *
1293  * Write ring commands to execute the indirect buffer
1294  */
1295 static void uvd_v7_0_ring_emit_ib(struct amdgpu_ring *ring,
1296 				  struct amdgpu_job *job,
1297 				  struct amdgpu_ib *ib,
1298 				  uint32_t flags)
1299 {
1300 	struct amdgpu_device *adev = ring->adev;
1301 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1302 
1303 	amdgpu_ring_write(ring,
1304 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_LMI_RBC_IB_VMID), 0));
1305 	amdgpu_ring_write(ring, vmid);
1306 
1307 	amdgpu_ring_write(ring,
1308 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_LMI_RBC_IB_64BIT_BAR_LOW), 0));
1309 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1310 	amdgpu_ring_write(ring,
1311 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH), 0));
1312 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1313 	amdgpu_ring_write(ring,
1314 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_RBC_IB_SIZE), 0));
1315 	amdgpu_ring_write(ring, ib->length_dw);
1316 }
1317 
1318 /**
1319  * uvd_v7_0_enc_ring_emit_ib - enc execute indirect buffer
1320  *
1321  * @ring: amdgpu_ring pointer
1322  * @job: job to retrive vmid from
1323  * @ib: indirect buffer to execute
1324  * @flags: unused
1325  *
1326  * Write enc ring commands to execute the indirect buffer
1327  */
1328 static void uvd_v7_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
1329 					struct amdgpu_job *job,
1330 					struct amdgpu_ib *ib,
1331 					uint32_t flags)
1332 {
1333 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1334 
1335 	amdgpu_ring_write(ring, HEVC_ENC_CMD_IB_VM);
1336 	amdgpu_ring_write(ring, vmid);
1337 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1338 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1339 	amdgpu_ring_write(ring, ib->length_dw);
1340 }
1341 
1342 static void uvd_v7_0_ring_emit_wreg(struct amdgpu_ring *ring,
1343 				    uint32_t reg, uint32_t val)
1344 {
1345 	struct amdgpu_device *adev = ring->adev;
1346 
1347 	amdgpu_ring_write(ring,
1348 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_DATA0), 0));
1349 	amdgpu_ring_write(ring, reg << 2);
1350 	amdgpu_ring_write(ring,
1351 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_DATA1), 0));
1352 	amdgpu_ring_write(ring, val);
1353 	amdgpu_ring_write(ring,
1354 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_CMD), 0));
1355 	amdgpu_ring_write(ring, 8);
1356 }
1357 
1358 static void uvd_v7_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1359 					uint32_t val, uint32_t mask)
1360 {
1361 	struct amdgpu_device *adev = ring->adev;
1362 
1363 	amdgpu_ring_write(ring,
1364 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_DATA0), 0));
1365 	amdgpu_ring_write(ring, reg << 2);
1366 	amdgpu_ring_write(ring,
1367 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_DATA1), 0));
1368 	amdgpu_ring_write(ring, val);
1369 	amdgpu_ring_write(ring,
1370 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GP_SCRATCH8), 0));
1371 	amdgpu_ring_write(ring, mask);
1372 	amdgpu_ring_write(ring,
1373 		PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_GPCOM_VCPU_CMD), 0));
1374 	amdgpu_ring_write(ring, 12);
1375 }
1376 
1377 static void uvd_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
1378 					unsigned vmid, uint64_t pd_addr)
1379 {
1380 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1381 	uint32_t data0, data1, mask;
1382 
1383 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1384 
1385 	/* wait for reg writes */
1386 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
1387 	data1 = lower_32_bits(pd_addr);
1388 	mask = 0xffffffff;
1389 	uvd_v7_0_ring_emit_reg_wait(ring, data0, data1, mask);
1390 }
1391 
1392 static void uvd_v7_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
1393 {
1394 	struct amdgpu_device *adev = ring->adev;
1395 	int i;
1396 
1397 	WARN_ON(ring->wptr % 2 || count % 2);
1398 
1399 	for (i = 0; i < count / 2; i++) {
1400 		amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, ring->me, mmUVD_NO_OP), 0));
1401 		amdgpu_ring_write(ring, 0);
1402 	}
1403 }
1404 
1405 static void uvd_v7_0_enc_ring_insert_end(struct amdgpu_ring *ring)
1406 {
1407 	amdgpu_ring_write(ring, HEVC_ENC_CMD_END);
1408 }
1409 
1410 static void uvd_v7_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring,
1411 					    uint32_t reg, uint32_t val,
1412 					    uint32_t mask)
1413 {
1414 	amdgpu_ring_write(ring, HEVC_ENC_CMD_REG_WAIT);
1415 	amdgpu_ring_write(ring,	reg << 2);
1416 	amdgpu_ring_write(ring, mask);
1417 	amdgpu_ring_write(ring, val);
1418 }
1419 
1420 static void uvd_v7_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
1421 					    unsigned int vmid, uint64_t pd_addr)
1422 {
1423 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1424 
1425 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1426 
1427 	/* wait for reg writes */
1428 	uvd_v7_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 +
1429 					vmid * hub->ctx_addr_distance,
1430 					lower_32_bits(pd_addr), 0xffffffff);
1431 }
1432 
1433 static void uvd_v7_0_enc_ring_emit_wreg(struct amdgpu_ring *ring,
1434 					uint32_t reg, uint32_t val)
1435 {
1436 	amdgpu_ring_write(ring, HEVC_ENC_CMD_REG_WRITE);
1437 	amdgpu_ring_write(ring,	reg << 2);
1438 	amdgpu_ring_write(ring, val);
1439 }
1440 
1441 #if 0
1442 static bool uvd_v7_0_is_idle(void *handle)
1443 {
1444 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1445 
1446 	return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK);
1447 }
1448 
1449 static int uvd_v7_0_wait_for_idle(void *handle)
1450 {
1451 	unsigned i;
1452 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1453 
1454 	for (i = 0; i < adev->usec_timeout; i++) {
1455 		if (uvd_v7_0_is_idle(handle))
1456 			return 0;
1457 	}
1458 	return -ETIMEDOUT;
1459 }
1460 
1461 #define AMDGPU_UVD_STATUS_BUSY_MASK    0xfd
1462 static bool uvd_v7_0_check_soft_reset(void *handle)
1463 {
1464 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1465 	u32 srbm_soft_reset = 0;
1466 	u32 tmp = RREG32(mmSRBM_STATUS);
1467 
1468 	if (REG_GET_FIELD(tmp, SRBM_STATUS, UVD_RQ_PENDING) ||
1469 	    REG_GET_FIELD(tmp, SRBM_STATUS, UVD_BUSY) ||
1470 	    (RREG32_SOC15(UVD, ring->me, mmUVD_STATUS) &
1471 		    AMDGPU_UVD_STATUS_BUSY_MASK))
1472 		srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1473 				SRBM_SOFT_RESET, SOFT_RESET_UVD, 1);
1474 
1475 	if (srbm_soft_reset) {
1476 		adev->uvd.inst[ring->me].srbm_soft_reset = srbm_soft_reset;
1477 		return true;
1478 	} else {
1479 		adev->uvd.inst[ring->me].srbm_soft_reset = 0;
1480 		return false;
1481 	}
1482 }
1483 
1484 static int uvd_v7_0_pre_soft_reset(void *handle)
1485 {
1486 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1487 
1488 	if (!adev->uvd.inst[ring->me].srbm_soft_reset)
1489 		return 0;
1490 
1491 	uvd_v7_0_stop(adev);
1492 	return 0;
1493 }
1494 
1495 static int uvd_v7_0_soft_reset(void *handle)
1496 {
1497 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1498 	u32 srbm_soft_reset;
1499 
1500 	if (!adev->uvd.inst[ring->me].srbm_soft_reset)
1501 		return 0;
1502 	srbm_soft_reset = adev->uvd.inst[ring->me].srbm_soft_reset;
1503 
1504 	if (srbm_soft_reset) {
1505 		u32 tmp;
1506 
1507 		tmp = RREG32(mmSRBM_SOFT_RESET);
1508 		tmp |= srbm_soft_reset;
1509 		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1510 		WREG32(mmSRBM_SOFT_RESET, tmp);
1511 		tmp = RREG32(mmSRBM_SOFT_RESET);
1512 
1513 		udelay(50);
1514 
1515 		tmp &= ~srbm_soft_reset;
1516 		WREG32(mmSRBM_SOFT_RESET, tmp);
1517 		tmp = RREG32(mmSRBM_SOFT_RESET);
1518 
1519 		/* Wait a little for things to settle down */
1520 		udelay(50);
1521 	}
1522 
1523 	return 0;
1524 }
1525 
1526 static int uvd_v7_0_post_soft_reset(void *handle)
1527 {
1528 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1529 
1530 	if (!adev->uvd.inst[ring->me].srbm_soft_reset)
1531 		return 0;
1532 
1533 	mdelay(5);
1534 
1535 	return uvd_v7_0_start(adev);
1536 }
1537 #endif
1538 
1539 static int uvd_v7_0_set_interrupt_state(struct amdgpu_device *adev,
1540 					struct amdgpu_irq_src *source,
1541 					unsigned type,
1542 					enum amdgpu_interrupt_state state)
1543 {
1544 	// TODO
1545 	return 0;
1546 }
1547 
1548 static int uvd_v7_0_process_interrupt(struct amdgpu_device *adev,
1549 				      struct amdgpu_irq_src *source,
1550 				      struct amdgpu_iv_entry *entry)
1551 {
1552 	uint32_t ip_instance;
1553 
1554 	switch (entry->client_id) {
1555 	case SOC15_IH_CLIENTID_UVD:
1556 		ip_instance = 0;
1557 		break;
1558 	case SOC15_IH_CLIENTID_UVD1:
1559 		ip_instance = 1;
1560 		break;
1561 	default:
1562 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
1563 		return 0;
1564 	}
1565 
1566 	DRM_DEBUG("IH: UVD TRAP\n");
1567 
1568 	switch (entry->src_id) {
1569 	case 124:
1570 		amdgpu_fence_process(&adev->uvd.inst[ip_instance].ring);
1571 		break;
1572 	case 119:
1573 		amdgpu_fence_process(&adev->uvd.inst[ip_instance].ring_enc[0]);
1574 		break;
1575 	case 120:
1576 		if (!amdgpu_sriov_vf(adev))
1577 			amdgpu_fence_process(&adev->uvd.inst[ip_instance].ring_enc[1]);
1578 		break;
1579 	default:
1580 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1581 			  entry->src_id, entry->src_data[0]);
1582 		break;
1583 	}
1584 
1585 	return 0;
1586 }
1587 
1588 #if 0
1589 static void uvd_v7_0_set_sw_clock_gating(struct amdgpu_device *adev)
1590 {
1591 	uint32_t data, data1, data2, suvd_flags;
1592 
1593 	data = RREG32_SOC15(UVD, ring->me, mmUVD_CGC_CTRL);
1594 	data1 = RREG32_SOC15(UVD, ring->me, mmUVD_SUVD_CGC_GATE);
1595 	data2 = RREG32_SOC15(UVD, ring->me, mmUVD_SUVD_CGC_CTRL);
1596 
1597 	data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK |
1598 		  UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK);
1599 
1600 	suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK |
1601 		     UVD_SUVD_CGC_GATE__SIT_MASK |
1602 		     UVD_SUVD_CGC_GATE__SMP_MASK |
1603 		     UVD_SUVD_CGC_GATE__SCM_MASK |
1604 		     UVD_SUVD_CGC_GATE__SDB_MASK;
1605 
1606 	data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK |
1607 		(1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER)) |
1608 		(4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY));
1609 
1610 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
1611 			UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
1612 			UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
1613 			UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
1614 			UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
1615 			UVD_CGC_CTRL__SYS_MODE_MASK |
1616 			UVD_CGC_CTRL__UDEC_MODE_MASK |
1617 			UVD_CGC_CTRL__MPEG2_MODE_MASK |
1618 			UVD_CGC_CTRL__REGS_MODE_MASK |
1619 			UVD_CGC_CTRL__RBC_MODE_MASK |
1620 			UVD_CGC_CTRL__LMI_MC_MODE_MASK |
1621 			UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
1622 			UVD_CGC_CTRL__IDCT_MODE_MASK |
1623 			UVD_CGC_CTRL__MPRD_MODE_MASK |
1624 			UVD_CGC_CTRL__MPC_MODE_MASK |
1625 			UVD_CGC_CTRL__LBSI_MODE_MASK |
1626 			UVD_CGC_CTRL__LRBBM_MODE_MASK |
1627 			UVD_CGC_CTRL__WCB_MODE_MASK |
1628 			UVD_CGC_CTRL__VCPU_MODE_MASK |
1629 			UVD_CGC_CTRL__JPEG_MODE_MASK |
1630 			UVD_CGC_CTRL__JPEG2_MODE_MASK |
1631 			UVD_CGC_CTRL__SCPU_MODE_MASK);
1632 	data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK |
1633 			UVD_SUVD_CGC_CTRL__SIT_MODE_MASK |
1634 			UVD_SUVD_CGC_CTRL__SMP_MODE_MASK |
1635 			UVD_SUVD_CGC_CTRL__SCM_MODE_MASK |
1636 			UVD_SUVD_CGC_CTRL__SDB_MODE_MASK);
1637 	data1 |= suvd_flags;
1638 
1639 	WREG32_SOC15(UVD, ring->me, mmUVD_CGC_CTRL, data);
1640 	WREG32_SOC15(UVD, ring->me, mmUVD_CGC_GATE, 0);
1641 	WREG32_SOC15(UVD, ring->me, mmUVD_SUVD_CGC_GATE, data1);
1642 	WREG32_SOC15(UVD, ring->me, mmUVD_SUVD_CGC_CTRL, data2);
1643 }
1644 
1645 static void uvd_v7_0_set_hw_clock_gating(struct amdgpu_device *adev)
1646 {
1647 	uint32_t data, data1, cgc_flags, suvd_flags;
1648 
1649 	data = RREG32_SOC15(UVD, ring->me, mmUVD_CGC_GATE);
1650 	data1 = RREG32_SOC15(UVD, ring->me, mmUVD_SUVD_CGC_GATE);
1651 
1652 	cgc_flags = UVD_CGC_GATE__SYS_MASK |
1653 		UVD_CGC_GATE__UDEC_MASK |
1654 		UVD_CGC_GATE__MPEG2_MASK |
1655 		UVD_CGC_GATE__RBC_MASK |
1656 		UVD_CGC_GATE__LMI_MC_MASK |
1657 		UVD_CGC_GATE__IDCT_MASK |
1658 		UVD_CGC_GATE__MPRD_MASK |
1659 		UVD_CGC_GATE__MPC_MASK |
1660 		UVD_CGC_GATE__LBSI_MASK |
1661 		UVD_CGC_GATE__LRBBM_MASK |
1662 		UVD_CGC_GATE__UDEC_RE_MASK |
1663 		UVD_CGC_GATE__UDEC_CM_MASK |
1664 		UVD_CGC_GATE__UDEC_IT_MASK |
1665 		UVD_CGC_GATE__UDEC_DB_MASK |
1666 		UVD_CGC_GATE__UDEC_MP_MASK |
1667 		UVD_CGC_GATE__WCB_MASK |
1668 		UVD_CGC_GATE__VCPU_MASK |
1669 		UVD_CGC_GATE__SCPU_MASK |
1670 		UVD_CGC_GATE__JPEG_MASK |
1671 		UVD_CGC_GATE__JPEG2_MASK;
1672 
1673 	suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK |
1674 				UVD_SUVD_CGC_GATE__SIT_MASK |
1675 				UVD_SUVD_CGC_GATE__SMP_MASK |
1676 				UVD_SUVD_CGC_GATE__SCM_MASK |
1677 				UVD_SUVD_CGC_GATE__SDB_MASK;
1678 
1679 	data |= cgc_flags;
1680 	data1 |= suvd_flags;
1681 
1682 	WREG32_SOC15(UVD, ring->me, mmUVD_CGC_GATE, data);
1683 	WREG32_SOC15(UVD, ring->me, mmUVD_SUVD_CGC_GATE, data1);
1684 }
1685 
1686 static void uvd_v7_0_set_bypass_mode(struct amdgpu_device *adev, bool enable)
1687 {
1688 	u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL);
1689 
1690 	if (enable)
1691 		tmp |= (GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK |
1692 			GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK);
1693 	else
1694 		tmp &= ~(GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK |
1695 			 GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK);
1696 
1697 	WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp);
1698 }
1699 
1700 
1701 static int uvd_v7_0_set_clockgating_state(void *handle,
1702 					  enum amd_clockgating_state state)
1703 {
1704 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1705 	bool enable = (state == AMD_CG_STATE_GATE);
1706 
1707 	uvd_v7_0_set_bypass_mode(adev, enable);
1708 
1709 	if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG))
1710 		return 0;
1711 
1712 	if (enable) {
1713 		/* disable HW gating and enable Sw gating */
1714 		uvd_v7_0_set_sw_clock_gating(adev);
1715 	} else {
1716 		/* wait for STATUS to clear */
1717 		if (uvd_v7_0_wait_for_idle(handle))
1718 			return -EBUSY;
1719 
1720 		/* enable HW gates because UVD is idle */
1721 		/* uvd_v7_0_set_hw_clock_gating(adev); */
1722 	}
1723 
1724 	return 0;
1725 }
1726 
1727 static int uvd_v7_0_set_powergating_state(void *handle,
1728 					  enum amd_powergating_state state)
1729 {
1730 	/* This doesn't actually powergate the UVD block.
1731 	 * That's done in the dpm code via the SMC.  This
1732 	 * just re-inits the block as necessary.  The actual
1733 	 * gating still happens in the dpm code.  We should
1734 	 * revisit this when there is a cleaner line between
1735 	 * the smc and the hw blocks
1736 	 */
1737 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1738 
1739 	if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD))
1740 		return 0;
1741 
1742 	WREG32_SOC15(UVD, ring->me, mmUVD_POWER_STATUS, UVD_POWER_STATUS__UVD_PG_EN_MASK);
1743 
1744 	if (state == AMD_PG_STATE_GATE) {
1745 		uvd_v7_0_stop(adev);
1746 		return 0;
1747 	} else {
1748 		return uvd_v7_0_start(adev);
1749 	}
1750 }
1751 #endif
1752 
1753 static int uvd_v7_0_set_clockgating_state(void *handle,
1754 					  enum amd_clockgating_state state)
1755 {
1756 	/* needed for driver unload*/
1757 	return 0;
1758 }
1759 
1760 const struct amd_ip_funcs uvd_v7_0_ip_funcs = {
1761 	.name = "uvd_v7_0",
1762 	.early_init = uvd_v7_0_early_init,
1763 	.late_init = NULL,
1764 	.sw_init = uvd_v7_0_sw_init,
1765 	.sw_fini = uvd_v7_0_sw_fini,
1766 	.hw_init = uvd_v7_0_hw_init,
1767 	.hw_fini = uvd_v7_0_hw_fini,
1768 	.suspend = uvd_v7_0_suspend,
1769 	.resume = uvd_v7_0_resume,
1770 	.is_idle = NULL /* uvd_v7_0_is_idle */,
1771 	.wait_for_idle = NULL /* uvd_v7_0_wait_for_idle */,
1772 	.check_soft_reset = NULL /* uvd_v7_0_check_soft_reset */,
1773 	.pre_soft_reset = NULL /* uvd_v7_0_pre_soft_reset */,
1774 	.soft_reset = NULL /* uvd_v7_0_soft_reset */,
1775 	.post_soft_reset = NULL /* uvd_v7_0_post_soft_reset */,
1776 	.set_clockgating_state = uvd_v7_0_set_clockgating_state,
1777 	.set_powergating_state = NULL /* uvd_v7_0_set_powergating_state */,
1778 };
1779 
1780 static const struct amdgpu_ring_funcs uvd_v7_0_ring_vm_funcs = {
1781 	.type = AMDGPU_RING_TYPE_UVD,
1782 	.align_mask = 0xf,
1783 	.support_64bit_ptrs = false,
1784 	.no_user_fence = true,
1785 	.vmhub = AMDGPU_MMHUB_0,
1786 	.get_rptr = uvd_v7_0_ring_get_rptr,
1787 	.get_wptr = uvd_v7_0_ring_get_wptr,
1788 	.set_wptr = uvd_v7_0_ring_set_wptr,
1789 	.patch_cs_in_place = uvd_v7_0_ring_patch_cs_in_place,
1790 	.emit_frame_size =
1791 		6 + /* hdp invalidate */
1792 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1793 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1794 		8 + /* uvd_v7_0_ring_emit_vm_flush */
1795 		14 + 14, /* uvd_v7_0_ring_emit_fence x2 vm fence */
1796 	.emit_ib_size = 8, /* uvd_v7_0_ring_emit_ib */
1797 	.emit_ib = uvd_v7_0_ring_emit_ib,
1798 	.emit_fence = uvd_v7_0_ring_emit_fence,
1799 	.emit_vm_flush = uvd_v7_0_ring_emit_vm_flush,
1800 	.emit_hdp_flush = uvd_v7_0_ring_emit_hdp_flush,
1801 	.test_ring = uvd_v7_0_ring_test_ring,
1802 	.test_ib = amdgpu_uvd_ring_test_ib,
1803 	.insert_nop = uvd_v7_0_ring_insert_nop,
1804 	.pad_ib = amdgpu_ring_generic_pad_ib,
1805 	.begin_use = amdgpu_uvd_ring_begin_use,
1806 	.end_use = amdgpu_uvd_ring_end_use,
1807 	.emit_wreg = uvd_v7_0_ring_emit_wreg,
1808 	.emit_reg_wait = uvd_v7_0_ring_emit_reg_wait,
1809 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1810 };
1811 
1812 static const struct amdgpu_ring_funcs uvd_v7_0_enc_ring_vm_funcs = {
1813 	.type = AMDGPU_RING_TYPE_UVD_ENC,
1814 	.align_mask = 0x3f,
1815 	.nop = HEVC_ENC_CMD_NO_OP,
1816 	.support_64bit_ptrs = false,
1817 	.no_user_fence = true,
1818 	.vmhub = AMDGPU_MMHUB_0,
1819 	.get_rptr = uvd_v7_0_enc_ring_get_rptr,
1820 	.get_wptr = uvd_v7_0_enc_ring_get_wptr,
1821 	.set_wptr = uvd_v7_0_enc_ring_set_wptr,
1822 	.emit_frame_size =
1823 		3 + 3 + /* hdp flush / invalidate */
1824 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1825 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1826 		4 + /* uvd_v7_0_enc_ring_emit_vm_flush */
1827 		5 + 5 + /* uvd_v7_0_enc_ring_emit_fence x2 vm fence */
1828 		1, /* uvd_v7_0_enc_ring_insert_end */
1829 	.emit_ib_size = 5, /* uvd_v7_0_enc_ring_emit_ib */
1830 	.emit_ib = uvd_v7_0_enc_ring_emit_ib,
1831 	.emit_fence = uvd_v7_0_enc_ring_emit_fence,
1832 	.emit_vm_flush = uvd_v7_0_enc_ring_emit_vm_flush,
1833 	.test_ring = uvd_v7_0_enc_ring_test_ring,
1834 	.test_ib = uvd_v7_0_enc_ring_test_ib,
1835 	.insert_nop = amdgpu_ring_insert_nop,
1836 	.insert_end = uvd_v7_0_enc_ring_insert_end,
1837 	.pad_ib = amdgpu_ring_generic_pad_ib,
1838 	.begin_use = amdgpu_uvd_ring_begin_use,
1839 	.end_use = amdgpu_uvd_ring_end_use,
1840 	.emit_wreg = uvd_v7_0_enc_ring_emit_wreg,
1841 	.emit_reg_wait = uvd_v7_0_enc_ring_emit_reg_wait,
1842 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1843 };
1844 
1845 static void uvd_v7_0_set_ring_funcs(struct amdgpu_device *adev)
1846 {
1847 	int i;
1848 
1849 	for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
1850 		if (adev->uvd.harvest_config & (1 << i))
1851 			continue;
1852 		adev->uvd.inst[i].ring.funcs = &uvd_v7_0_ring_vm_funcs;
1853 		adev->uvd.inst[i].ring.me = i;
1854 		DRM_INFO("UVD(%d) is enabled in VM mode\n", i);
1855 	}
1856 }
1857 
1858 static void uvd_v7_0_set_enc_ring_funcs(struct amdgpu_device *adev)
1859 {
1860 	int i, j;
1861 
1862 	for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
1863 		if (adev->uvd.harvest_config & (1 << j))
1864 			continue;
1865 		for (i = 0; i < adev->uvd.num_enc_rings; ++i) {
1866 			adev->uvd.inst[j].ring_enc[i].funcs = &uvd_v7_0_enc_ring_vm_funcs;
1867 			adev->uvd.inst[j].ring_enc[i].me = j;
1868 		}
1869 
1870 		DRM_INFO("UVD(%d) ENC is enabled in VM mode\n", j);
1871 	}
1872 }
1873 
1874 static const struct amdgpu_irq_src_funcs uvd_v7_0_irq_funcs = {
1875 	.set = uvd_v7_0_set_interrupt_state,
1876 	.process = uvd_v7_0_process_interrupt,
1877 };
1878 
1879 static void uvd_v7_0_set_irq_funcs(struct amdgpu_device *adev)
1880 {
1881 	int i;
1882 
1883 	for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
1884 		if (adev->uvd.harvest_config & (1 << i))
1885 			continue;
1886 		adev->uvd.inst[i].irq.num_types = adev->uvd.num_enc_rings + 1;
1887 		adev->uvd.inst[i].irq.funcs = &uvd_v7_0_irq_funcs;
1888 	}
1889 }
1890 
1891 const struct amdgpu_ip_block_version uvd_v7_0_ip_block =
1892 {
1893 		.type = AMD_IP_BLOCK_TYPE_UVD,
1894 		.major = 7,
1895 		.minor = 0,
1896 		.rev = 0,
1897 		.funcs = &uvd_v7_0_ip_funcs,
1898 };
1899