xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c (revision e330fb14)
1 /*
2  * Copyright 2019 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 #include "amdgpu.h"
26 #include "amdgpu_vcn.h"
27 #include "amdgpu_pm.h"
28 #include "soc15.h"
29 #include "soc15d.h"
30 #include "vcn_v2_0.h"
31 #include "mmsch_v3_0.h"
32 
33 #include "vcn/vcn_3_0_0_offset.h"
34 #include "vcn/vcn_3_0_0_sh_mask.h"
35 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
36 
37 #include <drm/drm_drv.h>
38 
39 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
40 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
41 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
42 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
43 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
44 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
45 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
46 
47 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
48 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
49 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x3b5
50 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
51 
52 #define VCN_INSTANCES_SIENNA_CICHLID				2
53 #define DEC_SW_RING_ENABLED					FALSE
54 
55 #define RDECODE_MSG_CREATE					0x00000000
56 #define RDECODE_MESSAGE_CREATE					0x00000001
57 
58 static int amdgpu_ih_clientid_vcns[] = {
59 	SOC15_IH_CLIENTID_VCN,
60 	SOC15_IH_CLIENTID_VCN1
61 };
62 
63 static int amdgpu_ucode_id_vcns[] = {
64 	AMDGPU_UCODE_ID_VCN,
65 	AMDGPU_UCODE_ID_VCN1
66 };
67 
68 static int vcn_v3_0_start_sriov(struct amdgpu_device *adev);
69 static void vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev);
70 static void vcn_v3_0_set_enc_ring_funcs(struct amdgpu_device *adev);
71 static void vcn_v3_0_set_irq_funcs(struct amdgpu_device *adev);
72 static int vcn_v3_0_set_powergating_state(void *handle,
73 			enum amd_powergating_state state);
74 static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev,
75 			int inst_idx, struct dpg_pause_state *new_state);
76 
77 static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring);
78 static void vcn_v3_0_enc_ring_set_wptr(struct amdgpu_ring *ring);
79 
80 /**
81  * vcn_v3_0_early_init - set function pointers
82  *
83  * @handle: amdgpu_device pointer
84  *
85  * Set ring and irq function pointers
86  */
87 static int vcn_v3_0_early_init(void *handle)
88 {
89 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
90 	int i;
91 
92 	if (amdgpu_sriov_vf(adev)) {
93 		adev->vcn.num_vcn_inst = VCN_INSTANCES_SIENNA_CICHLID;
94 		adev->vcn.harvest_config = 0;
95 		adev->vcn.num_enc_rings = 1;
96 
97 	} else {
98 		if (adev->asic_type == CHIP_SIENNA_CICHLID) {
99 			u32 harvest;
100 
101 			adev->vcn.num_vcn_inst = VCN_INSTANCES_SIENNA_CICHLID;
102 			for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
103 				harvest = RREG32_SOC15(VCN, i, mmCC_UVD_HARVESTING);
104 				if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
105 					adev->vcn.harvest_config |= 1 << i;
106 			}
107 
108 			if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
109 						AMDGPU_VCN_HARVEST_VCN1))
110 				/* both instances are harvested, disable the block */
111 				return -ENOENT;
112 		} else
113 			adev->vcn.num_vcn_inst = 1;
114 
115 		if (adev->asic_type == CHIP_BEIGE_GOBY)
116 			adev->vcn.num_enc_rings = 0;
117 		else
118 			adev->vcn.num_enc_rings = 2;
119 	}
120 
121 	vcn_v3_0_set_dec_ring_funcs(adev);
122 	vcn_v3_0_set_enc_ring_funcs(adev);
123 	vcn_v3_0_set_irq_funcs(adev);
124 
125 	return 0;
126 }
127 
128 /**
129  * vcn_v3_0_sw_init - sw init for VCN block
130  *
131  * @handle: amdgpu_device pointer
132  *
133  * Load firmware and sw initialization
134  */
135 static int vcn_v3_0_sw_init(void *handle)
136 {
137 	struct amdgpu_ring *ring;
138 	int i, j, r;
139 	int vcn_doorbell_index = 0;
140 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
141 
142 	r = amdgpu_vcn_sw_init(adev);
143 	if (r)
144 		return r;
145 
146 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
147 		const struct common_firmware_header *hdr;
148 		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
149 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].ucode_id = AMDGPU_UCODE_ID_VCN;
150 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].fw = adev->vcn.fw;
151 		adev->firmware.fw_size +=
152 			ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
153 
154 		if (adev->vcn.num_vcn_inst == VCN_INSTANCES_SIENNA_CICHLID) {
155 			adev->firmware.ucode[AMDGPU_UCODE_ID_VCN1].ucode_id = AMDGPU_UCODE_ID_VCN1;
156 			adev->firmware.ucode[AMDGPU_UCODE_ID_VCN1].fw = adev->vcn.fw;
157 			adev->firmware.fw_size +=
158 				ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
159 		}
160 		dev_info(adev->dev, "Will use PSP to load VCN firmware\n");
161 	}
162 
163 	r = amdgpu_vcn_resume(adev);
164 	if (r)
165 		return r;
166 
167 	/*
168 	 * Note: doorbell assignment is fixed for SRIOV multiple VCN engines
169 	 * Formula:
170 	 *   vcn_db_base  = adev->doorbell_index.vcn.vcn_ring0_1 << 1;
171 	 *   dec_ring_i   = vcn_db_base + i * (adev->vcn.num_enc_rings + 1)
172 	 *   enc_ring_i,j = vcn_db_base + i * (adev->vcn.num_enc_rings + 1) + 1 + j
173 	 */
174 	if (amdgpu_sriov_vf(adev)) {
175 		vcn_doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1;
176 		/* get DWORD offset */
177 		vcn_doorbell_index = vcn_doorbell_index << 1;
178 	}
179 
180 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
181 		volatile struct amdgpu_fw_shared *fw_shared;
182 
183 		if (adev->vcn.harvest_config & (1 << i))
184 			continue;
185 
186 		adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
187 		adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
188 		adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
189 		adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
190 		adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
191 		adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
192 
193 		adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
194 		adev->vcn.inst[i].external.scratch9 = SOC15_REG_OFFSET(VCN, i, mmUVD_SCRATCH9);
195 		adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
196 		adev->vcn.inst[i].external.data0 = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_DATA0);
197 		adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
198 		adev->vcn.inst[i].external.data1 = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_DATA1);
199 		adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
200 		adev->vcn.inst[i].external.cmd = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_CMD);
201 		adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
202 		adev->vcn.inst[i].external.nop = SOC15_REG_OFFSET(VCN, i, mmUVD_NO_OP);
203 
204 		/* VCN DEC TRAP */
205 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
206 				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[i].irq);
207 		if (r)
208 			return r;
209 
210 		atomic_set(&adev->vcn.inst[i].sched_score, 0);
211 
212 		ring = &adev->vcn.inst[i].ring_dec;
213 		ring->use_doorbell = true;
214 		if (amdgpu_sriov_vf(adev)) {
215 			ring->doorbell_index = vcn_doorbell_index + i * (adev->vcn.num_enc_rings + 1);
216 		} else {
217 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i;
218 		}
219 		sprintf(ring->name, "vcn_dec_%d", i);
220 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
221 				     AMDGPU_RING_PRIO_DEFAULT,
222 				     &adev->vcn.inst[i].sched_score);
223 		if (r)
224 			return r;
225 
226 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
227 			/* VCN ENC TRAP */
228 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
229 				j + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
230 			if (r)
231 				return r;
232 
233 			ring = &adev->vcn.inst[i].ring_enc[j];
234 			ring->use_doorbell = true;
235 			if (amdgpu_sriov_vf(adev)) {
236 				ring->doorbell_index = vcn_doorbell_index + i * (adev->vcn.num_enc_rings + 1) + 1 + j;
237 			} else {
238 				ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + j + 8 * i;
239 			}
240 			sprintf(ring->name, "vcn_enc_%d.%d", i, j);
241 			r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
242 					     AMDGPU_RING_PRIO_DEFAULT,
243 					     &adev->vcn.inst[i].sched_score);
244 			if (r)
245 				return r;
246 		}
247 
248 		fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
249 		fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_SW_RING_FLAG) |
250 					     cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG) |
251 					     cpu_to_le32(AMDGPU_VCN_FW_SHARED_FLAG_0_RB);
252 		fw_shared->sw_ring.is_enabled = cpu_to_le32(DEC_SW_RING_ENABLED);
253 	}
254 
255 	if (amdgpu_sriov_vf(adev)) {
256 		r = amdgpu_virt_alloc_mm_table(adev);
257 		if (r)
258 			return r;
259 	}
260 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
261 		adev->vcn.pause_dpg_mode = vcn_v3_0_pause_dpg_mode;
262 
263 	return 0;
264 }
265 
266 /**
267  * vcn_v3_0_sw_fini - sw fini for VCN block
268  *
269  * @handle: amdgpu_device pointer
270  *
271  * VCN suspend and free up sw allocation
272  */
273 static int vcn_v3_0_sw_fini(void *handle)
274 {
275 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
276 	int i, r, idx;
277 
278 	if (drm_dev_enter(&adev->ddev, &idx)) {
279 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
280 			volatile struct amdgpu_fw_shared *fw_shared;
281 
282 			if (adev->vcn.harvest_config & (1 << i))
283 				continue;
284 			fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
285 			fw_shared->present_flag_0 = 0;
286 			fw_shared->sw_ring.is_enabled = false;
287 		}
288 
289 		drm_dev_exit(idx);
290 	}
291 
292 	if (amdgpu_sriov_vf(adev))
293 		amdgpu_virt_free_mm_table(adev);
294 
295 	r = amdgpu_vcn_suspend(adev);
296 	if (r)
297 		return r;
298 
299 	r = amdgpu_vcn_sw_fini(adev);
300 
301 	return r;
302 }
303 
304 /**
305  * vcn_v3_0_hw_init - start and test VCN block
306  *
307  * @handle: amdgpu_device pointer
308  *
309  * Initialize the hardware, boot up the VCPU and do some testing
310  */
311 static int vcn_v3_0_hw_init(void *handle)
312 {
313 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
314 	struct amdgpu_ring *ring;
315 	int i, j, r;
316 
317 	if (amdgpu_sriov_vf(adev)) {
318 		r = vcn_v3_0_start_sriov(adev);
319 		if (r)
320 			goto done;
321 
322 		/* initialize VCN dec and enc ring buffers */
323 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
324 			if (adev->vcn.harvest_config & (1 << i))
325 				continue;
326 
327 			ring = &adev->vcn.inst[i].ring_dec;
328 			if (amdgpu_vcn_is_disabled_vcn(adev, VCN_DECODE_RING, i)) {
329 				ring->sched.ready = false;
330 				dev_info(adev->dev, "ring %s is disabled by hypervisor\n", ring->name);
331 			} else {
332 				ring->wptr = 0;
333 				ring->wptr_old = 0;
334 				vcn_v3_0_dec_ring_set_wptr(ring);
335 				ring->sched.ready = true;
336 			}
337 
338 			for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
339 				ring = &adev->vcn.inst[i].ring_enc[j];
340 				if (amdgpu_vcn_is_disabled_vcn(adev, VCN_ENCODE_RING, i)) {
341 					ring->sched.ready = false;
342 					dev_info(adev->dev, "ring %s is disabled by hypervisor\n", ring->name);
343 				} else {
344 					ring->wptr = 0;
345 					ring->wptr_old = 0;
346 					vcn_v3_0_enc_ring_set_wptr(ring);
347 					ring->sched.ready = true;
348 				}
349 			}
350 		}
351 	} else {
352 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
353 			if (adev->vcn.harvest_config & (1 << i))
354 				continue;
355 
356 			ring = &adev->vcn.inst[i].ring_dec;
357 
358 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
359 						     ring->doorbell_index, i);
360 
361 			r = amdgpu_ring_test_helper(ring);
362 			if (r)
363 				goto done;
364 
365 			for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
366 				ring = &adev->vcn.inst[i].ring_enc[j];
367 				r = amdgpu_ring_test_helper(ring);
368 				if (r)
369 					goto done;
370 			}
371 		}
372 	}
373 
374 done:
375 	if (!r)
376 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
377 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
378 
379 	return r;
380 }
381 
382 /**
383  * vcn_v3_0_hw_fini - stop the hardware block
384  *
385  * @handle: amdgpu_device pointer
386  *
387  * Stop the VCN block, mark ring as not ready any more
388  */
389 static int vcn_v3_0_hw_fini(void *handle)
390 {
391 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
392 	int i;
393 
394 	cancel_delayed_work_sync(&adev->vcn.idle_work);
395 
396 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
397 		if (adev->vcn.harvest_config & (1 << i))
398 			continue;
399 
400 		if (!amdgpu_sriov_vf(adev)) {
401 			if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
402 					(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
403 					 RREG32_SOC15(VCN, i, mmUVD_STATUS))) {
404 				vcn_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
405 			}
406 		}
407 	}
408 
409 	return 0;
410 }
411 
412 /**
413  * vcn_v3_0_suspend - suspend VCN block
414  *
415  * @handle: amdgpu_device pointer
416  *
417  * HW fini and suspend VCN block
418  */
419 static int vcn_v3_0_suspend(void *handle)
420 {
421 	int r;
422 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
423 
424 	r = vcn_v3_0_hw_fini(adev);
425 	if (r)
426 		return r;
427 
428 	r = amdgpu_vcn_suspend(adev);
429 
430 	return r;
431 }
432 
433 /**
434  * vcn_v3_0_resume - resume VCN block
435  *
436  * @handle: amdgpu_device pointer
437  *
438  * Resume firmware and hw init VCN block
439  */
440 static int vcn_v3_0_resume(void *handle)
441 {
442 	int r;
443 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
444 
445 	r = amdgpu_vcn_resume(adev);
446 	if (r)
447 		return r;
448 
449 	r = vcn_v3_0_hw_init(adev);
450 
451 	return r;
452 }
453 
454 /**
455  * vcn_v3_0_mc_resume - memory controller programming
456  *
457  * @adev: amdgpu_device pointer
458  * @inst: instance number
459  *
460  * Let the VCN memory controller know it's offsets
461  */
462 static void vcn_v3_0_mc_resume(struct amdgpu_device *adev, int inst)
463 {
464 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
465 	uint32_t offset;
466 
467 	/* cache window 0: fw */
468 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
469 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
470 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
471 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
472 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
473 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0, 0);
474 		offset = 0;
475 	} else {
476 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
477 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
478 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
479 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
480 		offset = size;
481 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0,
482 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
483 	}
484 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE0, size);
485 
486 	/* cache window 1: stack */
487 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
488 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
489 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
490 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
491 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET1, 0);
492 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
493 
494 	/* cache window 2: context */
495 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
496 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
497 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
498 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
499 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET2, 0);
500 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
501 
502 	/* non-cache window */
503 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
504 		lower_32_bits(adev->vcn.inst[inst].fw_shared_gpu_addr));
505 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
506 		upper_32_bits(adev->vcn.inst[inst].fw_shared_gpu_addr));
507 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
508 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_SIZE0,
509 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
510 }
511 
512 static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
513 {
514 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
515 	uint32_t offset;
516 
517 	/* cache window 0: fw */
518 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
519 		if (!indirect) {
520 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
521 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
522 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
523 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
524 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
525 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
526 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
527 				VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
528 		} else {
529 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
530 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
531 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
532 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
533 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
534 				VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
535 		}
536 		offset = 0;
537 	} else {
538 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
539 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
540 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
541 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
542 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
543 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
544 		offset = size;
545 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
546 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0),
547 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
548 	}
549 
550 	if (!indirect)
551 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
552 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
553 	else
554 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
555 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
556 
557 	/* cache window 1: stack */
558 	if (!indirect) {
559 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
560 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
561 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
562 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
563 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
564 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
565 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
566 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
567 	} else {
568 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
569 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
570 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
571 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
572 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
573 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
574 	}
575 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
576 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
577 
578 	/* cache window 2: context */
579 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
580 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
581 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
582 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
583 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
584 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
585 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
586 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
587 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
588 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
589 
590 	/* non-cache window */
591 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
592 			VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
593 			lower_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
594 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
595 			VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
596 			upper_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
597 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
598 			VCN, inst_idx, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
599 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
600 			VCN, inst_idx, mmUVD_VCPU_NONCACHE_SIZE0),
601 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
602 
603 	/* VCN global tiling registers */
604 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
605 		UVD, 0, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
606 }
607 
608 static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
609 {
610 	uint32_t data = 0;
611 
612 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
613 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
614 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
615 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
616 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
617 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
618 			| 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
619 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
620 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
621 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
622 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
623 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
624 			| 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
625 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
626 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
627 
628 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
629 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS,
630 			UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF);
631 	} else {
632 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
633 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
634 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
635 			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
636 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
637 			| 1 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
638 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
639 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
640 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
641 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
642 			| 1 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
643 			| 1 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
644 			| 1 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
645 			| 1 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
646 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
647 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, 0,  0x3F3FFFFF);
648 	}
649 
650 	data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
651 	data &= ~0x103;
652 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
653 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
654 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
655 
656 	WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
657 }
658 
659 static void vcn_v3_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
660 {
661 	uint32_t data;
662 
663 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
664 		/* Before power off, this indicator has to be turned on */
665 		data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
666 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
667 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
668 		WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
669 
670 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
671 			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
672 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
673 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
674 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
675 			| 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
676 			| 2 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
677 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
678 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
679 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
680 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
681 			| 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
682 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
683 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
684 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
685 
686 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
687 			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
688 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
689 			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
690 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
691 			| 2 << UVD_PGFSM_STATUS__UVDIRL_PWR_STATUS__SHIFT
692 			| 2 << UVD_PGFSM_STATUS__UVDLM_PWR_STATUS__SHIFT
693 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
694 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
695 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
696 			| 2 << UVD_PGFSM_STATUS__UVDAB_PWR_STATUS__SHIFT
697 			| 2 << UVD_PGFSM_STATUS__UVDATD_PWR_STATUS__SHIFT
698 			| 2 << UVD_PGFSM_STATUS__UVDNA_PWR_STATUS__SHIFT
699 			| 2 << UVD_PGFSM_STATUS__UVDNB_PWR_STATUS__SHIFT);
700 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, data, 0x3F3FFFFF);
701 	}
702 }
703 
704 /**
705  * vcn_v3_0_disable_clock_gating - disable VCN clock gating
706  *
707  * @adev: amdgpu_device pointer
708  * @inst: instance number
709  *
710  * Disable clock gating for VCN block
711  */
712 static void vcn_v3_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
713 {
714 	uint32_t data;
715 
716 	/* VCN disable CGC */
717 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
718 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
719 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
720 	else
721 		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
722 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
723 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
724 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
725 
726 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_GATE);
727 	data &= ~(UVD_CGC_GATE__SYS_MASK
728 		| UVD_CGC_GATE__UDEC_MASK
729 		| UVD_CGC_GATE__MPEG2_MASK
730 		| UVD_CGC_GATE__REGS_MASK
731 		| UVD_CGC_GATE__RBC_MASK
732 		| UVD_CGC_GATE__LMI_MC_MASK
733 		| UVD_CGC_GATE__LMI_UMC_MASK
734 		| UVD_CGC_GATE__IDCT_MASK
735 		| UVD_CGC_GATE__MPRD_MASK
736 		| UVD_CGC_GATE__MPC_MASK
737 		| UVD_CGC_GATE__LBSI_MASK
738 		| UVD_CGC_GATE__LRBBM_MASK
739 		| UVD_CGC_GATE__UDEC_RE_MASK
740 		| UVD_CGC_GATE__UDEC_CM_MASK
741 		| UVD_CGC_GATE__UDEC_IT_MASK
742 		| UVD_CGC_GATE__UDEC_DB_MASK
743 		| UVD_CGC_GATE__UDEC_MP_MASK
744 		| UVD_CGC_GATE__WCB_MASK
745 		| UVD_CGC_GATE__VCPU_MASK
746 		| UVD_CGC_GATE__MMSCH_MASK);
747 
748 	WREG32_SOC15(VCN, inst, mmUVD_CGC_GATE, data);
749 
750 	SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
751 
752 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
753 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
754 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
755 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
756 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
757 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
758 		| UVD_CGC_CTRL__SYS_MODE_MASK
759 		| UVD_CGC_CTRL__UDEC_MODE_MASK
760 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
761 		| UVD_CGC_CTRL__REGS_MODE_MASK
762 		| UVD_CGC_CTRL__RBC_MODE_MASK
763 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
764 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
765 		| UVD_CGC_CTRL__IDCT_MODE_MASK
766 		| UVD_CGC_CTRL__MPRD_MODE_MASK
767 		| UVD_CGC_CTRL__MPC_MODE_MASK
768 		| UVD_CGC_CTRL__LBSI_MODE_MASK
769 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
770 		| UVD_CGC_CTRL__WCB_MODE_MASK
771 		| UVD_CGC_CTRL__VCPU_MODE_MASK
772 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
773 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
774 
775 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE);
776 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
777 		| UVD_SUVD_CGC_GATE__SIT_MASK
778 		| UVD_SUVD_CGC_GATE__SMP_MASK
779 		| UVD_SUVD_CGC_GATE__SCM_MASK
780 		| UVD_SUVD_CGC_GATE__SDB_MASK
781 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
782 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
783 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
784 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
785 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
786 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
787 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
788 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
789 		| UVD_SUVD_CGC_GATE__SCLR_MASK
790 		| UVD_SUVD_CGC_GATE__ENT_MASK
791 		| UVD_SUVD_CGC_GATE__IME_MASK
792 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
793 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
794 		| UVD_SUVD_CGC_GATE__SITE_MASK
795 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
796 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
797 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
798 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
799 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK
800 		| UVD_SUVD_CGC_GATE__EFC_MASK
801 		| UVD_SUVD_CGC_GATE__SAOE_MASK
802 		| UVD_SUVD_CGC_GATE__SRE_AV1_MASK
803 		| UVD_SUVD_CGC_GATE__FBC_PCLK_MASK
804 		| UVD_SUVD_CGC_GATE__FBC_CCLK_MASK
805 		| UVD_SUVD_CGC_GATE__SCM_AV1_MASK
806 		| UVD_SUVD_CGC_GATE__SMPA_MASK);
807 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE, data);
808 
809 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2);
810 	data |= (UVD_SUVD_CGC_GATE2__MPBE0_MASK
811 		| UVD_SUVD_CGC_GATE2__MPBE1_MASK
812 		| UVD_SUVD_CGC_GATE2__SIT_AV1_MASK
813 		| UVD_SUVD_CGC_GATE2__SDB_AV1_MASK
814 		| UVD_SUVD_CGC_GATE2__MPC1_MASK);
815 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2, data);
816 
817 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL);
818 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
819 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
820 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
821 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
822 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
823 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
824 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
825 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
826 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK
827 		| UVD_SUVD_CGC_CTRL__EFC_MODE_MASK
828 		| UVD_SUVD_CGC_CTRL__SAOE_MODE_MASK
829 		| UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK
830 		| UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK
831 		| UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK
832 		| UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK
833 		| UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK
834 		| UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK
835 		| UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK
836 		| UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK);
837 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
838 }
839 
840 static void vcn_v3_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
841 		uint8_t sram_sel, int inst_idx, uint8_t indirect)
842 {
843 	uint32_t reg_data = 0;
844 
845 	/* enable sw clock gating control */
846 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
847 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
848 	else
849 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
850 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
851 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
852 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
853 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
854 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
855 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
856 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
857 		 UVD_CGC_CTRL__SYS_MODE_MASK |
858 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
859 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
860 		 UVD_CGC_CTRL__REGS_MODE_MASK |
861 		 UVD_CGC_CTRL__RBC_MODE_MASK |
862 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
863 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
864 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
865 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
866 		 UVD_CGC_CTRL__MPC_MODE_MASK |
867 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
868 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
869 		 UVD_CGC_CTRL__WCB_MODE_MASK |
870 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
871 		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
872 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
873 		VCN, inst_idx, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
874 
875 	/* turn off clock gating */
876 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
877 		VCN, inst_idx, mmUVD_CGC_GATE), 0, sram_sel, indirect);
878 
879 	/* turn on SUVD clock gating */
880 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
881 		VCN, inst_idx, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
882 
883 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
884 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
885 		VCN, inst_idx, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
886 }
887 
888 /**
889  * vcn_v3_0_enable_clock_gating - enable VCN clock gating
890  *
891  * @adev: amdgpu_device pointer
892  * @inst: instance number
893  *
894  * Enable clock gating for VCN block
895  */
896 static void vcn_v3_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
897 {
898 	uint32_t data;
899 
900 	/* enable VCN CGC */
901 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
902 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
903 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
904 	else
905 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
906 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
907 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
908 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
909 
910 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
911 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
912 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
913 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
914 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
915 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
916 		| UVD_CGC_CTRL__SYS_MODE_MASK
917 		| UVD_CGC_CTRL__UDEC_MODE_MASK
918 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
919 		| UVD_CGC_CTRL__REGS_MODE_MASK
920 		| UVD_CGC_CTRL__RBC_MODE_MASK
921 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
922 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
923 		| UVD_CGC_CTRL__IDCT_MODE_MASK
924 		| UVD_CGC_CTRL__MPRD_MODE_MASK
925 		| UVD_CGC_CTRL__MPC_MODE_MASK
926 		| UVD_CGC_CTRL__LBSI_MODE_MASK
927 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
928 		| UVD_CGC_CTRL__WCB_MODE_MASK
929 		| UVD_CGC_CTRL__VCPU_MODE_MASK
930 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
931 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
932 
933 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL);
934 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
935 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
936 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
937 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
938 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
939 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
940 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
941 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
942 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK
943 		| UVD_SUVD_CGC_CTRL__EFC_MODE_MASK
944 		| UVD_SUVD_CGC_CTRL__SAOE_MODE_MASK
945 		| UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK
946 		| UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK
947 		| UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK
948 		| UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK
949 		| UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK
950 		| UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK
951 		| UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK
952 		| UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK);
953 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
954 }
955 
956 static int vcn_v3_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
957 {
958 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
959 	struct amdgpu_ring *ring;
960 	uint32_t rb_bufsz, tmp;
961 
962 	/* disable register anti-hang mechanism */
963 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
964 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
965 	/* enable dynamic power gating mode */
966 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
967 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
968 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
969 	WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
970 
971 	if (indirect)
972 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
973 
974 	/* enable clock gating */
975 	vcn_v3_0_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
976 
977 	/* enable VCPU clock */
978 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
979 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
980 	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
981 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
982 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
983 
984 	/* disable master interupt */
985 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
986 		VCN, inst_idx, mmUVD_MASTINT_EN), 0, 0, indirect);
987 
988 	/* setup mmUVD_LMI_CTRL */
989 	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
990 		UVD_LMI_CTRL__REQ_MODE_MASK |
991 		UVD_LMI_CTRL__CRC_RESET_MASK |
992 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
993 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
994 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
995 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
996 		0x00100000L);
997 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
998 		VCN, inst_idx, mmUVD_LMI_CTRL), tmp, 0, indirect);
999 
1000 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1001 		VCN, inst_idx, mmUVD_MPC_CNTL),
1002 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
1003 
1004 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1005 		VCN, inst_idx, mmUVD_MPC_SET_MUXA0),
1006 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1007 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1008 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1009 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
1010 
1011 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1012 		VCN, inst_idx, mmUVD_MPC_SET_MUXB0),
1013 		 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1014 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1015 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1016 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
1017 
1018 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1019 		VCN, inst_idx, mmUVD_MPC_SET_MUX),
1020 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1021 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1022 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
1023 
1024 	vcn_v3_0_mc_resume_dpg_mode(adev, inst_idx, indirect);
1025 
1026 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1027 		VCN, inst_idx, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
1028 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1029 		VCN, inst_idx, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
1030 
1031 	/* enable LMI MC and UMC channels */
1032 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1033 		VCN, inst_idx, mmUVD_LMI_CTRL2), 0, 0, indirect);
1034 
1035 	/* unblock VCPU register access */
1036 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1037 		VCN, inst_idx, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
1038 
1039 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1040 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1041 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1042 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1043 
1044 	/* enable master interrupt */
1045 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1046 		VCN, inst_idx, mmUVD_MASTINT_EN),
1047 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
1048 
1049 	/* add nop to workaround PSP size check */
1050 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1051 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1052 
1053 	if (indirect)
1054 		psp_update_vcn_sram(adev, inst_idx, adev->vcn.inst[inst_idx].dpg_sram_gpu_addr,
1055 			(uint32_t)((uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_curr_addr -
1056 				(uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr));
1057 
1058 	ring = &adev->vcn.inst[inst_idx].ring_dec;
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_NO_UPDATE, 1);
1065 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1066 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
1067 
1068 	/* Stall DPG before WPTR/RPTR reset */
1069 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1070 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1071 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1072 	fw_shared->multi_queue.decode_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1073 
1074 	/* set the write pointer delay */
1075 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
1076 
1077 	/* set the wb address */
1078 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
1079 		(upper_32_bits(ring->gpu_addr) >> 2));
1080 
1081 	/* programm the RB_BASE for ring buffer */
1082 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1083 		lower_32_bits(ring->gpu_addr));
1084 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1085 		upper_32_bits(ring->gpu_addr));
1086 
1087 	/* Initialize the ring buffer's read and write pointers */
1088 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
1089 
1090 	WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
1091 
1092 	ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
1093 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
1094 		lower_32_bits(ring->wptr));
1095 
1096 	/* Reset FW shared memory RBC WPTR/RPTR */
1097 	fw_shared->rb.rptr = 0;
1098 	fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1099 
1100 	/*resetting done, fw can check RB ring */
1101 	fw_shared->multi_queue.decode_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1102 
1103 	/* Unstall DPG */
1104 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1105 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1106 
1107 	return 0;
1108 }
1109 
1110 static int vcn_v3_0_start(struct amdgpu_device *adev)
1111 {
1112 	volatile struct amdgpu_fw_shared *fw_shared;
1113 	struct amdgpu_ring *ring;
1114 	uint32_t rb_bufsz, tmp;
1115 	int i, j, k, r;
1116 
1117 	if (adev->pm.dpm_enabled)
1118 		amdgpu_dpm_enable_uvd(adev, true);
1119 
1120 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1121 		if (adev->vcn.harvest_config & (1 << i))
1122 			continue;
1123 
1124 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG){
1125 			r = vcn_v3_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
1126 			continue;
1127 		}
1128 
1129 		/* disable VCN power gating */
1130 		vcn_v3_0_disable_static_power_gating(adev, i);
1131 
1132 		/* set VCN status busy */
1133 		tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
1134 		WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
1135 
1136 		/*SW clock gating */
1137 		vcn_v3_0_disable_clock_gating(adev, i);
1138 
1139 		/* enable VCPU clock */
1140 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1141 			UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1142 
1143 		/* disable master interrupt */
1144 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
1145 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1146 
1147 		/* enable LMI MC and UMC channels */
1148 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
1149 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1150 
1151 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1152 		tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1153 		tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1154 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1155 
1156 		/* setup mmUVD_LMI_CTRL */
1157 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
1158 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp |
1159 			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
1160 			UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1161 			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1162 			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1163 
1164 		/* setup mmUVD_MPC_CNTL */
1165 		tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
1166 		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1167 		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1168 		WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
1169 
1170 		/* setup UVD_MPC_SET_MUXA0 */
1171 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
1172 			((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1173 			(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1174 			(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1175 			(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1176 
1177 		/* setup UVD_MPC_SET_MUXB0 */
1178 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
1179 			((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1180 			(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1181 			(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1182 			(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1183 
1184 		/* setup mmUVD_MPC_SET_MUX */
1185 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
1186 			((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1187 			(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1188 			(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1189 
1190 		vcn_v3_0_mc_resume(adev, i);
1191 
1192 		/* VCN global tiling registers */
1193 		WREG32_SOC15(VCN, i, mmUVD_GFX10_ADDR_CONFIG,
1194 			adev->gfx.config.gb_addr_config);
1195 
1196 		/* unblock VCPU register access */
1197 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
1198 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1199 
1200 		/* release VCPU reset to boot */
1201 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1202 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1203 
1204 		for (j = 0; j < 10; ++j) {
1205 			uint32_t status;
1206 
1207 			for (k = 0; k < 100; ++k) {
1208 				status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
1209 				if (status & 2)
1210 					break;
1211 				mdelay(10);
1212 			}
1213 			r = 0;
1214 			if (status & 2)
1215 				break;
1216 
1217 			DRM_ERROR("VCN[%d] decode not responding, trying to reset the VCPU!!!\n", i);
1218 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1219 				UVD_VCPU_CNTL__BLK_RST_MASK,
1220 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1221 			mdelay(10);
1222 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1223 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1224 
1225 			mdelay(10);
1226 			r = -1;
1227 		}
1228 
1229 		if (r) {
1230 			DRM_ERROR("VCN[%d] decode not responding, giving up!!!\n", i);
1231 			return r;
1232 		}
1233 
1234 		/* enable master interrupt */
1235 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
1236 			UVD_MASTINT_EN__VCPU_EN_MASK,
1237 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1238 
1239 		/* clear the busy bit of VCN_STATUS */
1240 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
1241 			~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1242 
1243 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
1244 
1245 		ring = &adev->vcn.inst[i].ring_dec;
1246 		/* force RBC into idle state */
1247 		rb_bufsz = order_base_2(ring->ring_size);
1248 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1249 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1250 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1251 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1252 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1253 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
1254 
1255 		fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
1256 		fw_shared->multi_queue.decode_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1257 
1258 		/* programm the RB_BASE for ring buffer */
1259 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1260 			lower_32_bits(ring->gpu_addr));
1261 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1262 			upper_32_bits(ring->gpu_addr));
1263 
1264 		/* Initialize the ring buffer's read and write pointers */
1265 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
1266 
1267 		WREG32_SOC15(VCN, i, mmUVD_SCRATCH2, 0);
1268 		ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
1269 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
1270 			lower_32_bits(ring->wptr));
1271 		fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1272 		fw_shared->multi_queue.decode_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1273 
1274 		if (adev->asic_type != CHIP_BEIGE_GOBY) {
1275 			fw_shared->multi_queue.encode_generalpurpose_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1276 			ring = &adev->vcn.inst[i].ring_enc[0];
1277 			WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1278 			WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1279 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
1280 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1281 			WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
1282 			fw_shared->multi_queue.encode_generalpurpose_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1283 
1284 			fw_shared->multi_queue.encode_lowlatency_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1285 			ring = &adev->vcn.inst[i].ring_enc[1];
1286 			WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1287 			WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1288 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1289 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1290 			WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
1291 			fw_shared->multi_queue.encode_lowlatency_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1292 		}
1293 	}
1294 
1295 	return 0;
1296 }
1297 
1298 static int vcn_v3_0_start_sriov(struct amdgpu_device *adev)
1299 {
1300 	int i, j;
1301 	struct amdgpu_ring *ring;
1302 	uint64_t cache_addr;
1303 	uint64_t rb_addr;
1304 	uint64_t ctx_addr;
1305 	uint32_t param, resp, expected;
1306 	uint32_t offset, cache_size;
1307 	uint32_t tmp, timeout;
1308 	uint32_t id;
1309 
1310 	struct amdgpu_mm_table *table = &adev->virt.mm_table;
1311 	uint32_t *table_loc;
1312 	uint32_t table_size;
1313 	uint32_t size, size_dw;
1314 
1315 	struct mmsch_v3_0_cmd_direct_write
1316 		direct_wt = { {0} };
1317 	struct mmsch_v3_0_cmd_direct_read_modify_write
1318 		direct_rd_mod_wt = { {0} };
1319 	struct mmsch_v3_0_cmd_end end = { {0} };
1320 	struct mmsch_v3_0_init_header header;
1321 
1322 	direct_wt.cmd_header.command_type =
1323 		MMSCH_COMMAND__DIRECT_REG_WRITE;
1324 	direct_rd_mod_wt.cmd_header.command_type =
1325 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1326 	end.cmd_header.command_type =
1327 		MMSCH_COMMAND__END;
1328 
1329 	header.version = MMSCH_VERSION;
1330 	header.total_size = sizeof(struct mmsch_v3_0_init_header) >> 2;
1331 	for (i = 0; i < AMDGPU_MAX_VCN_INSTANCES; i++) {
1332 		header.inst[i].init_status = 0;
1333 		header.inst[i].table_offset = 0;
1334 		header.inst[i].table_size = 0;
1335 	}
1336 
1337 	table_loc = (uint32_t *)table->cpu_addr;
1338 	table_loc += header.total_size;
1339 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1340 		if (adev->vcn.harvest_config & (1 << i))
1341 			continue;
1342 
1343 		table_size = 0;
1344 
1345 		MMSCH_V3_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCN, i,
1346 			mmUVD_STATUS),
1347 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1348 
1349 		cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
1350 
1351 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1352 			id = amdgpu_ucode_id_vcns[i];
1353 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1354 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1355 				adev->firmware.ucode[id].tmr_mc_addr_lo);
1356 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1357 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1358 				adev->firmware.ucode[id].tmr_mc_addr_hi);
1359 			offset = 0;
1360 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1361 				mmUVD_VCPU_CACHE_OFFSET0),
1362 				0);
1363 		} else {
1364 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1365 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1366 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1367 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1368 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1369 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1370 			offset = cache_size;
1371 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1372 				mmUVD_VCPU_CACHE_OFFSET0),
1373 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1374 		}
1375 
1376 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1377 			mmUVD_VCPU_CACHE_SIZE0),
1378 			cache_size);
1379 
1380 		cache_addr = adev->vcn.inst[i].gpu_addr + offset;
1381 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1382 			mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1383 			lower_32_bits(cache_addr));
1384 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1385 			mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1386 			upper_32_bits(cache_addr));
1387 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1388 			mmUVD_VCPU_CACHE_OFFSET1),
1389 			0);
1390 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1391 			mmUVD_VCPU_CACHE_SIZE1),
1392 			AMDGPU_VCN_STACK_SIZE);
1393 
1394 		cache_addr = adev->vcn.inst[i].gpu_addr + offset +
1395 			AMDGPU_VCN_STACK_SIZE;
1396 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1397 			mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1398 			lower_32_bits(cache_addr));
1399 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1400 			mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1401 			upper_32_bits(cache_addr));
1402 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1403 			mmUVD_VCPU_CACHE_OFFSET2),
1404 			0);
1405 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1406 			mmUVD_VCPU_CACHE_SIZE2),
1407 			AMDGPU_VCN_CONTEXT_SIZE);
1408 
1409 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
1410 			ring = &adev->vcn.inst[i].ring_enc[j];
1411 			ring->wptr = 0;
1412 			rb_addr = ring->gpu_addr;
1413 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1414 				mmUVD_RB_BASE_LO),
1415 				lower_32_bits(rb_addr));
1416 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1417 				mmUVD_RB_BASE_HI),
1418 				upper_32_bits(rb_addr));
1419 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1420 				mmUVD_RB_SIZE),
1421 				ring->ring_size / 4);
1422 		}
1423 
1424 		ring = &adev->vcn.inst[i].ring_dec;
1425 		ring->wptr = 0;
1426 		rb_addr = ring->gpu_addr;
1427 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1428 			mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1429 			lower_32_bits(rb_addr));
1430 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1431 			mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1432 			upper_32_bits(rb_addr));
1433 		/* force RBC into idle state */
1434 		tmp = order_base_2(ring->ring_size);
1435 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp);
1436 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1437 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1438 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1439 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1440 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1441 			mmUVD_RBC_RB_CNTL),
1442 			tmp);
1443 
1444 		/* add end packet */
1445 		MMSCH_V3_0_INSERT_END();
1446 
1447 		/* refine header */
1448 		header.inst[i].init_status = 0;
1449 		header.inst[i].table_offset = header.total_size;
1450 		header.inst[i].table_size = table_size;
1451 		header.total_size += table_size;
1452 	}
1453 
1454 	/* Update init table header in memory */
1455 	size = sizeof(struct mmsch_v3_0_init_header);
1456 	table_loc = (uint32_t *)table->cpu_addr;
1457 	memcpy((void *)table_loc, &header, size);
1458 
1459 	/* message MMSCH (in VCN[0]) to initialize this client
1460 	 * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1461 	 * of memory descriptor location
1462 	 */
1463 	ctx_addr = table->gpu_addr;
1464 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
1465 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
1466 
1467 	/* 2, update vmid of descriptor */
1468 	tmp = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
1469 	tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1470 	/* use domain0 for MM scheduler */
1471 	tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1472 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, tmp);
1473 
1474 	/* 3, notify mmsch about the size of this descriptor */
1475 	size = header.total_size;
1476 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
1477 
1478 	/* 4, set resp to zero */
1479 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1480 
1481 	/* 5, kick off the initialization and wait until
1482 	 * MMSCH_VF_MAILBOX_RESP becomes non-zero
1483 	 */
1484 	param = 0x10000001;
1485 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, param);
1486 	tmp = 0;
1487 	timeout = 1000;
1488 	resp = 0;
1489 	expected = param + 1;
1490 	while (resp != expected) {
1491 		resp = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1492 		if (resp == expected)
1493 			break;
1494 
1495 		udelay(10);
1496 		tmp = tmp + 10;
1497 		if (tmp >= timeout) {
1498 			DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
1499 				" waiting for mmMMSCH_VF_MAILBOX_RESP "\
1500 				"(expected=0x%08x, readback=0x%08x)\n",
1501 				tmp, expected, resp);
1502 			return -EBUSY;
1503 		}
1504 	}
1505 
1506 	return 0;
1507 }
1508 
1509 static int vcn_v3_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
1510 {
1511 	uint32_t tmp;
1512 
1513 	/* Wait for power status to be 1 */
1514 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1515 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1516 
1517 	/* wait for read ptr to be equal to write ptr */
1518 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
1519 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1520 
1521 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
1522 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1523 
1524 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1525 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1526 
1527 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1528 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1529 
1530 	/* disable dynamic power gating mode */
1531 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
1532 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1533 
1534 	return 0;
1535 }
1536 
1537 static int vcn_v3_0_stop(struct amdgpu_device *adev)
1538 {
1539 	uint32_t tmp;
1540 	int i, r = 0;
1541 
1542 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1543 		if (adev->vcn.harvest_config & (1 << i))
1544 			continue;
1545 
1546 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1547 			r = vcn_v3_0_stop_dpg_mode(adev, i);
1548 			continue;
1549 		}
1550 
1551 		/* wait for vcn idle */
1552 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1553 		if (r)
1554 			return r;
1555 
1556 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1557 			UVD_LMI_STATUS__READ_CLEAN_MASK |
1558 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1559 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1560 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1561 		if (r)
1562 			return r;
1563 
1564 		/* disable LMI UMC channel */
1565 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
1566 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1567 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
1568 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1569 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1570 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1571 		if (r)
1572 			return r;
1573 
1574 		/* block VCPU register access */
1575 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
1576 			UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1577 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1578 
1579 		/* reset VCPU */
1580 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1581 			UVD_VCPU_CNTL__BLK_RST_MASK,
1582 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1583 
1584 		/* disable VCPU clock */
1585 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1586 			~(UVD_VCPU_CNTL__CLK_EN_MASK));
1587 
1588 		/* apply soft reset */
1589 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1590 		tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1591 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1592 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1593 		tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1594 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1595 
1596 		/* clear status */
1597 		WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
1598 
1599 		/* apply HW clock gating */
1600 		vcn_v3_0_enable_clock_gating(adev, i);
1601 
1602 		/* enable VCN power gating */
1603 		vcn_v3_0_enable_static_power_gating(adev, i);
1604 	}
1605 
1606 	if (adev->pm.dpm_enabled)
1607 		amdgpu_dpm_enable_uvd(adev, false);
1608 
1609 	return 0;
1610 }
1611 
1612 static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev,
1613 		   int inst_idx, struct dpg_pause_state *new_state)
1614 {
1615 	volatile struct amdgpu_fw_shared *fw_shared;
1616 	struct amdgpu_ring *ring;
1617 	uint32_t reg_data = 0;
1618 	int ret_code;
1619 
1620 	/* pause/unpause if state is changed */
1621 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1622 		DRM_DEBUG("dpg pause state changed %d -> %d",
1623 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1624 		reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
1625 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1626 
1627 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1628 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1629 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1630 
1631 			if (!ret_code) {
1632 				/* pause DPG */
1633 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1634 				WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1635 
1636 				/* wait for ACK */
1637 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
1638 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1639 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1640 
1641 				/* Stall DPG before WPTR/RPTR reset */
1642 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1643 					UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1644 					~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1645 
1646 				if (adev->asic_type != CHIP_BEIGE_GOBY) {
1647 					/* Restore */
1648 					fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
1649 					fw_shared->multi_queue.encode_generalpurpose_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1650 					ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1651 					ring->wptr = 0;
1652 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
1653 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1654 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
1655 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1656 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1657 					fw_shared->multi_queue.encode_generalpurpose_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1658 
1659 					fw_shared->multi_queue.encode_lowlatency_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1660 					ring = &adev->vcn.inst[inst_idx].ring_enc[1];
1661 					ring->wptr = 0;
1662 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1663 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1664 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
1665 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1666 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1667 					fw_shared->multi_queue.encode_lowlatency_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1668 
1669 					/* restore wptr/rptr with pointers saved in FW shared memory*/
1670 					WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, fw_shared->rb.rptr);
1671 					WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR, fw_shared->rb.wptr);
1672 				}
1673 
1674 				/* Unstall DPG */
1675 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1676 					0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1677 
1678 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
1679 					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1680 			}
1681 		} else {
1682 			/* unpause dpg, no need to wait */
1683 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1684 			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1685 		}
1686 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1687 	}
1688 
1689 	return 0;
1690 }
1691 
1692 /**
1693  * vcn_v3_0_dec_ring_get_rptr - get read pointer
1694  *
1695  * @ring: amdgpu_ring pointer
1696  *
1697  * Returns the current hardware read pointer
1698  */
1699 static uint64_t vcn_v3_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1700 {
1701 	struct amdgpu_device *adev = ring->adev;
1702 
1703 	return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
1704 }
1705 
1706 /**
1707  * vcn_v3_0_dec_ring_get_wptr - get write pointer
1708  *
1709  * @ring: amdgpu_ring pointer
1710  *
1711  * Returns the current hardware write pointer
1712  */
1713 static uint64_t vcn_v3_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1714 {
1715 	struct amdgpu_device *adev = ring->adev;
1716 
1717 	if (ring->use_doorbell)
1718 		return adev->wb.wb[ring->wptr_offs];
1719 	else
1720 		return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
1721 }
1722 
1723 /**
1724  * vcn_v3_0_dec_ring_set_wptr - set write pointer
1725  *
1726  * @ring: amdgpu_ring pointer
1727  *
1728  * Commits the write pointer to the hardware
1729  */
1730 static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1731 {
1732 	struct amdgpu_device *adev = ring->adev;
1733 	volatile struct amdgpu_fw_shared *fw_shared;
1734 
1735 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1736 		/*whenever update RBC_RB_WPTR, we save the wptr in shared rb.wptr and scratch2 */
1737 		fw_shared = adev->vcn.inst[ring->me].fw_shared_cpu_addr;
1738 		fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1739 		WREG32_SOC15(VCN, ring->me, mmUVD_SCRATCH2,
1740 			lower_32_bits(ring->wptr));
1741 	}
1742 
1743 	if (ring->use_doorbell) {
1744 		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1745 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1746 	} else {
1747 		WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1748 	}
1749 }
1750 
1751 static void vcn_v3_0_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1752 				u64 seq, uint32_t flags)
1753 {
1754 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1755 
1756 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_FENCE);
1757 	amdgpu_ring_write(ring, addr);
1758 	amdgpu_ring_write(ring, upper_32_bits(addr));
1759 	amdgpu_ring_write(ring, seq);
1760 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_TRAP);
1761 }
1762 
1763 static void vcn_v3_0_dec_sw_ring_insert_end(struct amdgpu_ring *ring)
1764 {
1765 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
1766 }
1767 
1768 static void vcn_v3_0_dec_sw_ring_emit_ib(struct amdgpu_ring *ring,
1769 			       struct amdgpu_job *job,
1770 			       struct amdgpu_ib *ib,
1771 			       uint32_t flags)
1772 {
1773 	uint32_t vmid = AMDGPU_JOB_GET_VMID(job);
1774 
1775 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_IB);
1776 	amdgpu_ring_write(ring, vmid);
1777 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1778 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1779 	amdgpu_ring_write(ring, ib->length_dw);
1780 }
1781 
1782 static void vcn_v3_0_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1783 				uint32_t val, uint32_t mask)
1784 {
1785 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WAIT);
1786 	amdgpu_ring_write(ring, reg << 2);
1787 	amdgpu_ring_write(ring, mask);
1788 	amdgpu_ring_write(ring, val);
1789 }
1790 
1791 static void vcn_v3_0_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
1792 				uint32_t vmid, uint64_t pd_addr)
1793 {
1794 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1795 	uint32_t data0, data1, mask;
1796 
1797 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1798 
1799 	/* wait for register write */
1800 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
1801 	data1 = lower_32_bits(pd_addr);
1802 	mask = 0xffffffff;
1803 	vcn_v3_0_dec_sw_ring_emit_reg_wait(ring, data0, data1, mask);
1804 }
1805 
1806 static void vcn_v3_0_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
1807 {
1808 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WRITE);
1809 	amdgpu_ring_write(ring,	reg << 2);
1810 	amdgpu_ring_write(ring, val);
1811 }
1812 
1813 static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
1814 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1815 	.align_mask = 0x3f,
1816 	.nop = VCN_DEC_SW_CMD_NO_OP,
1817 	.vmhub = AMDGPU_MMHUB_0,
1818 	.get_rptr = vcn_v3_0_dec_ring_get_rptr,
1819 	.get_wptr = vcn_v3_0_dec_ring_get_wptr,
1820 	.set_wptr = vcn_v3_0_dec_ring_set_wptr,
1821 	.emit_frame_size =
1822 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1823 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1824 		4 + /* vcn_v3_0_dec_sw_ring_emit_vm_flush */
1825 		5 + 5 + /* vcn_v3_0_dec_sw_ring_emit_fdec_swe x2 vm fdec_swe */
1826 		1, /* vcn_v3_0_dec_sw_ring_insert_end */
1827 	.emit_ib_size = 5, /* vcn_v3_0_dec_sw_ring_emit_ib */
1828 	.emit_ib = vcn_v3_0_dec_sw_ring_emit_ib,
1829 	.emit_fence = vcn_v3_0_dec_sw_ring_emit_fence,
1830 	.emit_vm_flush = vcn_v3_0_dec_sw_ring_emit_vm_flush,
1831 	.test_ring = amdgpu_vcn_dec_sw_ring_test_ring,
1832 	.test_ib = NULL,//amdgpu_vcn_dec_sw_ring_test_ib,
1833 	.insert_nop = amdgpu_ring_insert_nop,
1834 	.insert_end = vcn_v3_0_dec_sw_ring_insert_end,
1835 	.pad_ib = amdgpu_ring_generic_pad_ib,
1836 	.begin_use = amdgpu_vcn_ring_begin_use,
1837 	.end_use = amdgpu_vcn_ring_end_use,
1838 	.emit_wreg = vcn_v3_0_dec_sw_ring_emit_wreg,
1839 	.emit_reg_wait = vcn_v3_0_dec_sw_ring_emit_reg_wait,
1840 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1841 };
1842 
1843 static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p)
1844 {
1845 	struct drm_gpu_scheduler **scheds;
1846 
1847 	/* The create msg must be in the first IB submitted */
1848 	if (atomic_read(&p->entity->fence_seq))
1849 		return -EINVAL;
1850 
1851 	scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_DEC]
1852 		[AMDGPU_RING_PRIO_DEFAULT].sched;
1853 	drm_sched_entity_modify_sched(p->entity, scheds, 1);
1854 	return 0;
1855 }
1856 
1857 static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
1858 {
1859 	struct ttm_operation_ctx ctx = { false, false };
1860 	struct amdgpu_bo_va_mapping *map;
1861 	uint32_t *msg, num_buffers;
1862 	struct amdgpu_bo *bo;
1863 	uint64_t start, end;
1864 	unsigned int i;
1865 	void * ptr;
1866 	int r;
1867 
1868 	addr &= AMDGPU_GMC_HOLE_MASK;
1869 	r = amdgpu_cs_find_mapping(p, addr, &bo, &map);
1870 	if (r) {
1871 		DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
1872 		return r;
1873 	}
1874 
1875 	start = map->start * AMDGPU_GPU_PAGE_SIZE;
1876 	end = (map->last + 1) * AMDGPU_GPU_PAGE_SIZE;
1877 	if (addr & 0x7) {
1878 		DRM_ERROR("VCN messages must be 8 byte aligned!\n");
1879 		return -EINVAL;
1880 	}
1881 
1882 	bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
1883 	amdgpu_bo_placement_from_domain(bo, bo->allowed_domains);
1884 	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1885 	if (r) {
1886 		DRM_ERROR("Failed validating the VCN message BO (%d)!\n", r);
1887 		return r;
1888 	}
1889 
1890 	r = amdgpu_bo_kmap(bo, &ptr);
1891 	if (r) {
1892 		DRM_ERROR("Failed mapping the VCN message (%d)!\n", r);
1893 		return r;
1894 	}
1895 
1896 	msg = ptr + addr - start;
1897 
1898 	/* Check length */
1899 	if (msg[1] > end - addr) {
1900 		r = -EINVAL;
1901 		goto out;
1902 	}
1903 
1904 	if (msg[3] != RDECODE_MSG_CREATE)
1905 		goto out;
1906 
1907 	num_buffers = msg[2];
1908 	for (i = 0, msg = &msg[6]; i < num_buffers; ++i, msg += 4) {
1909 		uint32_t offset, size, *create;
1910 
1911 		if (msg[0] != RDECODE_MESSAGE_CREATE)
1912 			continue;
1913 
1914 		offset = msg[1];
1915 		size = msg[2];
1916 
1917 		if (offset + size > end) {
1918 			r = -EINVAL;
1919 			goto out;
1920 		}
1921 
1922 		create = ptr + addr + offset - start;
1923 
1924 		/* H246, HEVC and VP9 can run on any instance */
1925 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
1926 			continue;
1927 
1928 		r = vcn_v3_0_limit_sched(p);
1929 		if (r)
1930 			goto out;
1931 	}
1932 
1933 out:
1934 	amdgpu_bo_kunmap(bo);
1935 	return r;
1936 }
1937 
1938 static int vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
1939 					   uint32_t ib_idx)
1940 {
1941 	struct amdgpu_ring *ring = to_amdgpu_ring(p->entity->rq->sched);
1942 	struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
1943 	uint32_t msg_lo = 0, msg_hi = 0;
1944 	unsigned i;
1945 	int r;
1946 
1947 	/* The first instance can decode anything */
1948 	if (!ring->me)
1949 		return 0;
1950 
1951 	for (i = 0; i < ib->length_dw; i += 2) {
1952 		uint32_t reg = amdgpu_get_ib_value(p, ib_idx, i);
1953 		uint32_t val = amdgpu_get_ib_value(p, ib_idx, i + 1);
1954 
1955 		if (reg == PACKET0(p->adev->vcn.internal.data0, 0)) {
1956 			msg_lo = val;
1957 		} else if (reg == PACKET0(p->adev->vcn.internal.data1, 0)) {
1958 			msg_hi = val;
1959 		} else if (reg == PACKET0(p->adev->vcn.internal.cmd, 0) &&
1960 			   val == 0) {
1961 			r = vcn_v3_0_dec_msg(p, ((u64)msg_hi) << 32 | msg_lo);
1962 			if (r)
1963 				return r;
1964 		}
1965 	}
1966 	return 0;
1967 }
1968 
1969 static const struct amdgpu_ring_funcs vcn_v3_0_dec_ring_vm_funcs = {
1970 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1971 	.align_mask = 0xf,
1972 	.vmhub = AMDGPU_MMHUB_0,
1973 	.get_rptr = vcn_v3_0_dec_ring_get_rptr,
1974 	.get_wptr = vcn_v3_0_dec_ring_get_wptr,
1975 	.set_wptr = vcn_v3_0_dec_ring_set_wptr,
1976 	.patch_cs_in_place = vcn_v3_0_ring_patch_cs_in_place,
1977 	.emit_frame_size =
1978 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1979 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1980 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
1981 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
1982 		6,
1983 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
1984 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
1985 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
1986 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
1987 	.test_ring = vcn_v2_0_dec_ring_test_ring,
1988 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
1989 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
1990 	.insert_start = vcn_v2_0_dec_ring_insert_start,
1991 	.insert_end = vcn_v2_0_dec_ring_insert_end,
1992 	.pad_ib = amdgpu_ring_generic_pad_ib,
1993 	.begin_use = amdgpu_vcn_ring_begin_use,
1994 	.end_use = amdgpu_vcn_ring_end_use,
1995 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
1996 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
1997 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1998 };
1999 
2000 /**
2001  * vcn_v3_0_enc_ring_get_rptr - get enc read pointer
2002  *
2003  * @ring: amdgpu_ring pointer
2004  *
2005  * Returns the current hardware enc read pointer
2006  */
2007 static uint64_t vcn_v3_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
2008 {
2009 	struct amdgpu_device *adev = ring->adev;
2010 
2011 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
2012 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
2013 	else
2014 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
2015 }
2016 
2017 /**
2018  * vcn_v3_0_enc_ring_get_wptr - get enc write pointer
2019  *
2020  * @ring: amdgpu_ring pointer
2021  *
2022  * Returns the current hardware enc write pointer
2023  */
2024 static uint64_t vcn_v3_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
2025 {
2026 	struct amdgpu_device *adev = ring->adev;
2027 
2028 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
2029 		if (ring->use_doorbell)
2030 			return adev->wb.wb[ring->wptr_offs];
2031 		else
2032 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
2033 	} else {
2034 		if (ring->use_doorbell)
2035 			return adev->wb.wb[ring->wptr_offs];
2036 		else
2037 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
2038 	}
2039 }
2040 
2041 /**
2042  * vcn_v3_0_enc_ring_set_wptr - set enc write pointer
2043  *
2044  * @ring: amdgpu_ring pointer
2045  *
2046  * Commits the enc write pointer to the hardware
2047  */
2048 static void vcn_v3_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
2049 {
2050 	struct amdgpu_device *adev = ring->adev;
2051 
2052 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
2053 		if (ring->use_doorbell) {
2054 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
2055 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
2056 		} else {
2057 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
2058 		}
2059 	} else {
2060 		if (ring->use_doorbell) {
2061 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
2062 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
2063 		} else {
2064 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
2065 		}
2066 	}
2067 }
2068 
2069 static const struct amdgpu_ring_funcs vcn_v3_0_enc_ring_vm_funcs = {
2070 	.type = AMDGPU_RING_TYPE_VCN_ENC,
2071 	.align_mask = 0x3f,
2072 	.nop = VCN_ENC_CMD_NO_OP,
2073 	.vmhub = AMDGPU_MMHUB_0,
2074 	.get_rptr = vcn_v3_0_enc_ring_get_rptr,
2075 	.get_wptr = vcn_v3_0_enc_ring_get_wptr,
2076 	.set_wptr = vcn_v3_0_enc_ring_set_wptr,
2077 	.emit_frame_size =
2078 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2079 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2080 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
2081 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
2082 		1, /* vcn_v2_0_enc_ring_insert_end */
2083 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
2084 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
2085 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
2086 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
2087 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2088 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2089 	.insert_nop = amdgpu_ring_insert_nop,
2090 	.insert_end = vcn_v2_0_enc_ring_insert_end,
2091 	.pad_ib = amdgpu_ring_generic_pad_ib,
2092 	.begin_use = amdgpu_vcn_ring_begin_use,
2093 	.end_use = amdgpu_vcn_ring_end_use,
2094 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
2095 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
2096 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2097 };
2098 
2099 static void vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2100 {
2101 	int i;
2102 
2103 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2104 		if (adev->vcn.harvest_config & (1 << i))
2105 			continue;
2106 
2107 		if (!DEC_SW_RING_ENABLED)
2108 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_ring_vm_funcs;
2109 		else
2110 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_sw_ring_vm_funcs;
2111 		adev->vcn.inst[i].ring_dec.me = i;
2112 		DRM_INFO("VCN(%d) decode%s is enabled in VM mode\n", i,
2113 			  DEC_SW_RING_ENABLED?"(Software Ring)":"");
2114 	}
2115 }
2116 
2117 static void vcn_v3_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2118 {
2119 	int i, j;
2120 
2121 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2122 		if (adev->vcn.harvest_config & (1 << i))
2123 			continue;
2124 
2125 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
2126 			adev->vcn.inst[i].ring_enc[j].funcs = &vcn_v3_0_enc_ring_vm_funcs;
2127 			adev->vcn.inst[i].ring_enc[j].me = i;
2128 		}
2129 		if (adev->vcn.num_enc_rings > 0)
2130 			DRM_INFO("VCN(%d) encode is enabled in VM mode\n", i);
2131 	}
2132 }
2133 
2134 static bool vcn_v3_0_is_idle(void *handle)
2135 {
2136 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2137 	int i, ret = 1;
2138 
2139 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2140 		if (adev->vcn.harvest_config & (1 << i))
2141 			continue;
2142 
2143 		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
2144 	}
2145 
2146 	return ret;
2147 }
2148 
2149 static int vcn_v3_0_wait_for_idle(void *handle)
2150 {
2151 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2152 	int i, ret = 0;
2153 
2154 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2155 		if (adev->vcn.harvest_config & (1 << i))
2156 			continue;
2157 
2158 		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
2159 			UVD_STATUS__IDLE);
2160 		if (ret)
2161 			return ret;
2162 	}
2163 
2164 	return ret;
2165 }
2166 
2167 static int vcn_v3_0_set_clockgating_state(void *handle,
2168 					  enum amd_clockgating_state state)
2169 {
2170 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2171 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
2172 	int i;
2173 
2174 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2175 		if (adev->vcn.harvest_config & (1 << i))
2176 			continue;
2177 
2178 		if (enable) {
2179 			if (RREG32_SOC15(VCN, i, mmUVD_STATUS) != UVD_STATUS__IDLE)
2180 				return -EBUSY;
2181 			vcn_v3_0_enable_clock_gating(adev, i);
2182 		} else {
2183 			vcn_v3_0_disable_clock_gating(adev, i);
2184 		}
2185 	}
2186 
2187 	return 0;
2188 }
2189 
2190 static int vcn_v3_0_set_powergating_state(void *handle,
2191 					  enum amd_powergating_state state)
2192 {
2193 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2194 	int ret;
2195 
2196 	/* for SRIOV, guest should not control VCN Power-gating
2197 	 * MMSCH FW should control Power-gating and clock-gating
2198 	 * guest should avoid touching CGC and PG
2199 	 */
2200 	if (amdgpu_sriov_vf(adev)) {
2201 		adev->vcn.cur_state = AMD_PG_STATE_UNGATE;
2202 		return 0;
2203 	}
2204 
2205 	if(state == adev->vcn.cur_state)
2206 		return 0;
2207 
2208 	if (state == AMD_PG_STATE_GATE)
2209 		ret = vcn_v3_0_stop(adev);
2210 	else
2211 		ret = vcn_v3_0_start(adev);
2212 
2213 	if(!ret)
2214 		adev->vcn.cur_state = state;
2215 
2216 	return ret;
2217 }
2218 
2219 static int vcn_v3_0_set_interrupt_state(struct amdgpu_device *adev,
2220 					struct amdgpu_irq_src *source,
2221 					unsigned type,
2222 					enum amdgpu_interrupt_state state)
2223 {
2224 	return 0;
2225 }
2226 
2227 static int vcn_v3_0_process_interrupt(struct amdgpu_device *adev,
2228 				      struct amdgpu_irq_src *source,
2229 				      struct amdgpu_iv_entry *entry)
2230 {
2231 	uint32_t ip_instance;
2232 
2233 	switch (entry->client_id) {
2234 	case SOC15_IH_CLIENTID_VCN:
2235 		ip_instance = 0;
2236 		break;
2237 	case SOC15_IH_CLIENTID_VCN1:
2238 		ip_instance = 1;
2239 		break;
2240 	default:
2241 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
2242 		return 0;
2243 	}
2244 
2245 	DRM_DEBUG("IH: VCN TRAP\n");
2246 
2247 	switch (entry->src_id) {
2248 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
2249 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
2250 		break;
2251 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
2252 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
2253 		break;
2254 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
2255 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
2256 		break;
2257 	default:
2258 		DRM_ERROR("Unhandled interrupt: %d %d\n",
2259 			  entry->src_id, entry->src_data[0]);
2260 		break;
2261 	}
2262 
2263 	return 0;
2264 }
2265 
2266 static const struct amdgpu_irq_src_funcs vcn_v3_0_irq_funcs = {
2267 	.set = vcn_v3_0_set_interrupt_state,
2268 	.process = vcn_v3_0_process_interrupt,
2269 };
2270 
2271 static void vcn_v3_0_set_irq_funcs(struct amdgpu_device *adev)
2272 {
2273 	int i;
2274 
2275 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2276 		if (adev->vcn.harvest_config & (1 << i))
2277 			continue;
2278 
2279 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
2280 		adev->vcn.inst[i].irq.funcs = &vcn_v3_0_irq_funcs;
2281 	}
2282 }
2283 
2284 static const struct amd_ip_funcs vcn_v3_0_ip_funcs = {
2285 	.name = "vcn_v3_0",
2286 	.early_init = vcn_v3_0_early_init,
2287 	.late_init = NULL,
2288 	.sw_init = vcn_v3_0_sw_init,
2289 	.sw_fini = vcn_v3_0_sw_fini,
2290 	.hw_init = vcn_v3_0_hw_init,
2291 	.hw_fini = vcn_v3_0_hw_fini,
2292 	.suspend = vcn_v3_0_suspend,
2293 	.resume = vcn_v3_0_resume,
2294 	.is_idle = vcn_v3_0_is_idle,
2295 	.wait_for_idle = vcn_v3_0_wait_for_idle,
2296 	.check_soft_reset = NULL,
2297 	.pre_soft_reset = NULL,
2298 	.soft_reset = NULL,
2299 	.post_soft_reset = NULL,
2300 	.set_clockgating_state = vcn_v3_0_set_clockgating_state,
2301 	.set_powergating_state = vcn_v3_0_set_powergating_state,
2302 };
2303 
2304 const struct amdgpu_ip_block_version vcn_v3_0_ip_block =
2305 {
2306 	.type = AMD_IP_BLOCK_TYPE_VCN,
2307 	.major = 3,
2308 	.minor = 0,
2309 	.rev = 0,
2310 	.funcs = &vcn_v3_0_ip_funcs,
2311 };
2312