xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c (revision f5c27da4)
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 "amdgpu_cs.h"
29 #include "soc15.h"
30 #include "soc15d.h"
31 #include "vcn_v2_0.h"
32 #include "mmsch_v3_0.h"
33 #include "vcn_sw_ring.h"
34 
35 #include "vcn/vcn_3_0_0_offset.h"
36 #include "vcn/vcn_3_0_0_sh_mask.h"
37 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
38 
39 #include <drm/drm_drv.h>
40 
41 #define VCN_VID_SOC_ADDRESS_2_0					0x1fa00
42 #define VCN1_VID_SOC_ADDRESS_3_0				0x48200
43 
44 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
45 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
46 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
47 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
48 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
49 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
50 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
51 
52 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
53 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
54 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x3b5
55 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
56 
57 #define VCN_INSTANCES_SIENNA_CICHLID				2
58 #define DEC_SW_RING_ENABLED					FALSE
59 
60 #define RDECODE_MSG_CREATE					0x00000000
61 #define RDECODE_MESSAGE_CREATE					0x00000001
62 
63 static int amdgpu_ih_clientid_vcns[] = {
64 	SOC15_IH_CLIENTID_VCN,
65 	SOC15_IH_CLIENTID_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 
91 	if (amdgpu_sriov_vf(adev)) {
92 		adev->vcn.num_vcn_inst = VCN_INSTANCES_SIENNA_CICHLID;
93 		adev->vcn.harvest_config = 0;
94 		adev->vcn.num_enc_rings = 1;
95 
96 	} else {
97 		if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
98 						 AMDGPU_VCN_HARVEST_VCN1))
99 			/* both instances are harvested, disable the block */
100 			return -ENOENT;
101 
102 		if (adev->ip_versions[UVD_HWIP][0] == IP_VERSION(3, 0, 33))
103 			adev->vcn.num_enc_rings = 0;
104 		else
105 			adev->vcn.num_enc_rings = 2;
106 	}
107 
108 	vcn_v3_0_set_dec_ring_funcs(adev);
109 	vcn_v3_0_set_enc_ring_funcs(adev);
110 	vcn_v3_0_set_irq_funcs(adev);
111 
112 	return 0;
113 }
114 
115 /**
116  * vcn_v3_0_sw_init - sw init for VCN block
117  *
118  * @handle: amdgpu_device pointer
119  *
120  * Load firmware and sw initialization
121  */
122 static int vcn_v3_0_sw_init(void *handle)
123 {
124 	struct amdgpu_ring *ring;
125 	int i, j, r;
126 	int vcn_doorbell_index = 0;
127 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
128 
129 	r = amdgpu_vcn_sw_init(adev);
130 	if (r)
131 		return r;
132 
133 	amdgpu_vcn_setup_ucode(adev);
134 
135 	r = amdgpu_vcn_resume(adev);
136 	if (r)
137 		return r;
138 
139 	/*
140 	 * Note: doorbell assignment is fixed for SRIOV multiple VCN engines
141 	 * Formula:
142 	 *   vcn_db_base  = adev->doorbell_index.vcn.vcn_ring0_1 << 1;
143 	 *   dec_ring_i   = vcn_db_base + i * (adev->vcn.num_enc_rings + 1)
144 	 *   enc_ring_i,j = vcn_db_base + i * (adev->vcn.num_enc_rings + 1) + 1 + j
145 	 */
146 	if (amdgpu_sriov_vf(adev)) {
147 		vcn_doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1;
148 		/* get DWORD offset */
149 		vcn_doorbell_index = vcn_doorbell_index << 1;
150 	}
151 
152 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
153 		volatile struct amdgpu_fw_shared *fw_shared;
154 
155 		if (adev->vcn.harvest_config & (1 << i))
156 			continue;
157 
158 		adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
159 		adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
160 		adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
161 		adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
162 		adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
163 		adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
164 
165 		adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
166 		adev->vcn.inst[i].external.scratch9 = SOC15_REG_OFFSET(VCN, i, mmUVD_SCRATCH9);
167 		adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
168 		adev->vcn.inst[i].external.data0 = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_DATA0);
169 		adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
170 		adev->vcn.inst[i].external.data1 = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_DATA1);
171 		adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
172 		adev->vcn.inst[i].external.cmd = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_CMD);
173 		adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
174 		adev->vcn.inst[i].external.nop = SOC15_REG_OFFSET(VCN, i, mmUVD_NO_OP);
175 
176 		/* VCN DEC TRAP */
177 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
178 				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[i].irq);
179 		if (r)
180 			return r;
181 
182 		atomic_set(&adev->vcn.inst[i].sched_score, 0);
183 
184 		ring = &adev->vcn.inst[i].ring_dec;
185 		ring->use_doorbell = true;
186 		if (amdgpu_sriov_vf(adev)) {
187 			ring->doorbell_index = vcn_doorbell_index + i * (adev->vcn.num_enc_rings + 1);
188 		} else {
189 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i;
190 		}
191 		sprintf(ring->name, "vcn_dec_%d", i);
192 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
193 				     AMDGPU_RING_PRIO_DEFAULT,
194 				     &adev->vcn.inst[i].sched_score);
195 		if (r)
196 			return r;
197 
198 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
199 			enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(j);
200 
201 			/* VCN ENC TRAP */
202 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
203 				j + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
204 			if (r)
205 				return r;
206 
207 			ring = &adev->vcn.inst[i].ring_enc[j];
208 			ring->use_doorbell = true;
209 			if (amdgpu_sriov_vf(adev)) {
210 				ring->doorbell_index = vcn_doorbell_index + i * (adev->vcn.num_enc_rings + 1) + 1 + j;
211 			} else {
212 				ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + j + 8 * i;
213 			}
214 			sprintf(ring->name, "vcn_enc_%d.%d", i, j);
215 			r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
216 					     hw_prio, &adev->vcn.inst[i].sched_score);
217 			if (r)
218 				return r;
219 		}
220 
221 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
222 		fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_SW_RING_FLAG) |
223 					     cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG) |
224 					     cpu_to_le32(AMDGPU_VCN_FW_SHARED_FLAG_0_RB);
225 		fw_shared->sw_ring.is_enabled = cpu_to_le32(DEC_SW_RING_ENABLED);
226 		fw_shared->present_flag_0 |= AMDGPU_VCN_SMU_VERSION_INFO_FLAG;
227 		if (adev->ip_versions[UVD_HWIP][0] == IP_VERSION(3, 1, 2))
228 			fw_shared->smu_interface_info.smu_interface_type = 2;
229 		else if (adev->ip_versions[UVD_HWIP][0] == IP_VERSION(3, 1, 1))
230 			fw_shared->smu_interface_info.smu_interface_type = 1;
231 
232 		if (amdgpu_vcnfw_log)
233 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
234 	}
235 
236 	if (amdgpu_sriov_vf(adev)) {
237 		r = amdgpu_virt_alloc_mm_table(adev);
238 		if (r)
239 			return r;
240 	}
241 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
242 		adev->vcn.pause_dpg_mode = vcn_v3_0_pause_dpg_mode;
243 
244 	return 0;
245 }
246 
247 /**
248  * vcn_v3_0_sw_fini - sw fini for VCN block
249  *
250  * @handle: amdgpu_device pointer
251  *
252  * VCN suspend and free up sw allocation
253  */
254 static int vcn_v3_0_sw_fini(void *handle)
255 {
256 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
257 	int i, r, idx;
258 
259 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
260 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
261 			volatile struct amdgpu_fw_shared *fw_shared;
262 
263 			if (adev->vcn.harvest_config & (1 << i))
264 				continue;
265 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
266 			fw_shared->present_flag_0 = 0;
267 			fw_shared->sw_ring.is_enabled = false;
268 		}
269 
270 		drm_dev_exit(idx);
271 	}
272 
273 	if (amdgpu_sriov_vf(adev))
274 		amdgpu_virt_free_mm_table(adev);
275 
276 	r = amdgpu_vcn_suspend(adev);
277 	if (r)
278 		return r;
279 
280 	r = amdgpu_vcn_sw_fini(adev);
281 
282 	return r;
283 }
284 
285 /**
286  * vcn_v3_0_hw_init - start and test VCN block
287  *
288  * @handle: amdgpu_device pointer
289  *
290  * Initialize the hardware, boot up the VCPU and do some testing
291  */
292 static int vcn_v3_0_hw_init(void *handle)
293 {
294 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
295 	struct amdgpu_ring *ring;
296 	int i, j, r;
297 
298 	if (amdgpu_sriov_vf(adev)) {
299 		r = vcn_v3_0_start_sriov(adev);
300 		if (r)
301 			goto done;
302 
303 		/* initialize VCN dec and enc ring buffers */
304 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
305 			if (adev->vcn.harvest_config & (1 << i))
306 				continue;
307 
308 			ring = &adev->vcn.inst[i].ring_dec;
309 			if (amdgpu_vcn_is_disabled_vcn(adev, VCN_DECODE_RING, i)) {
310 				ring->sched.ready = false;
311 				ring->no_scheduler = true;
312 				dev_info(adev->dev, "ring %s is disabled by hypervisor\n", ring->name);
313 			} else {
314 				ring->wptr = 0;
315 				ring->wptr_old = 0;
316 				vcn_v3_0_dec_ring_set_wptr(ring);
317 				ring->sched.ready = true;
318 			}
319 
320 			for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
321 				ring = &adev->vcn.inst[i].ring_enc[j];
322 				if (amdgpu_vcn_is_disabled_vcn(adev, VCN_ENCODE_RING, i)) {
323 					ring->sched.ready = false;
324 					ring->no_scheduler = true;
325 					dev_info(adev->dev, "ring %s is disabled by hypervisor\n", ring->name);
326 				} else {
327 					ring->wptr = 0;
328 					ring->wptr_old = 0;
329 					vcn_v3_0_enc_ring_set_wptr(ring);
330 					ring->sched.ready = true;
331 				}
332 			}
333 		}
334 	} else {
335 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
336 			if (adev->vcn.harvest_config & (1 << i))
337 				continue;
338 
339 			ring = &adev->vcn.inst[i].ring_dec;
340 
341 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
342 						     ring->doorbell_index, i);
343 
344 			r = amdgpu_ring_test_helper(ring);
345 			if (r)
346 				goto done;
347 
348 			for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
349 				ring = &adev->vcn.inst[i].ring_enc[j];
350 				r = amdgpu_ring_test_helper(ring);
351 				if (r)
352 					goto done;
353 			}
354 		}
355 	}
356 
357 done:
358 	if (!r)
359 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
360 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
361 
362 	return r;
363 }
364 
365 /**
366  * vcn_v3_0_hw_fini - stop the hardware block
367  *
368  * @handle: amdgpu_device pointer
369  *
370  * Stop the VCN block, mark ring as not ready any more
371  */
372 static int vcn_v3_0_hw_fini(void *handle)
373 {
374 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
375 	int i;
376 
377 	cancel_delayed_work_sync(&adev->vcn.idle_work);
378 
379 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
380 		if (adev->vcn.harvest_config & (1 << i))
381 			continue;
382 
383 		if (!amdgpu_sriov_vf(adev)) {
384 			if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
385 					(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
386 					 RREG32_SOC15(VCN, i, mmUVD_STATUS))) {
387 				vcn_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
388 			}
389 		}
390 	}
391 
392 	return 0;
393 }
394 
395 /**
396  * vcn_v3_0_suspend - suspend VCN block
397  *
398  * @handle: amdgpu_device pointer
399  *
400  * HW fini and suspend VCN block
401  */
402 static int vcn_v3_0_suspend(void *handle)
403 {
404 	int r;
405 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
406 
407 	r = vcn_v3_0_hw_fini(adev);
408 	if (r)
409 		return r;
410 
411 	r = amdgpu_vcn_suspend(adev);
412 
413 	return r;
414 }
415 
416 /**
417  * vcn_v3_0_resume - resume VCN block
418  *
419  * @handle: amdgpu_device pointer
420  *
421  * Resume firmware and hw init VCN block
422  */
423 static int vcn_v3_0_resume(void *handle)
424 {
425 	int r;
426 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
427 
428 	r = amdgpu_vcn_resume(adev);
429 	if (r)
430 		return r;
431 
432 	r = vcn_v3_0_hw_init(adev);
433 
434 	return r;
435 }
436 
437 /**
438  * vcn_v3_0_mc_resume - memory controller programming
439  *
440  * @adev: amdgpu_device pointer
441  * @inst: instance number
442  *
443  * Let the VCN memory controller know it's offsets
444  */
445 static void vcn_v3_0_mc_resume(struct amdgpu_device *adev, int inst)
446 {
447 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
448 	uint32_t offset;
449 
450 	/* cache window 0: fw */
451 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
452 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
453 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
454 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
455 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
456 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0, 0);
457 		offset = 0;
458 	} else {
459 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
460 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
461 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
462 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
463 		offset = size;
464 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0,
465 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
466 	}
467 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE0, size);
468 
469 	/* cache window 1: stack */
470 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
471 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
472 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
473 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
474 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET1, 0);
475 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
476 
477 	/* cache window 2: context */
478 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
479 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
480 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
481 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
482 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET2, 0);
483 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
484 
485 	/* non-cache window */
486 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
487 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
488 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
489 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
490 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
491 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_SIZE0,
492 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
493 }
494 
495 static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
496 {
497 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
498 	uint32_t offset;
499 
500 	/* cache window 0: fw */
501 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
502 		if (!indirect) {
503 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
504 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
505 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
506 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
507 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
508 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
509 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
510 				VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
511 		} else {
512 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
513 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
514 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
515 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
516 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
517 				VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
518 		}
519 		offset = 0;
520 	} else {
521 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
522 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
523 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
524 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
525 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
526 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
527 		offset = size;
528 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
529 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0),
530 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
531 	}
532 
533 	if (!indirect)
534 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
535 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
536 	else
537 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
538 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
539 
540 	/* cache window 1: stack */
541 	if (!indirect) {
542 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
543 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
544 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
545 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
546 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
547 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
548 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
549 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
550 	} else {
551 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
552 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
553 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
554 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
555 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
556 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
557 	}
558 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
559 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
560 
561 	/* cache window 2: context */
562 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
563 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
564 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
565 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
566 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
567 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
568 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
569 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
570 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
571 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
572 
573 	/* non-cache window */
574 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
575 			VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
576 			lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
577 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
578 			VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
579 			upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
580 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
581 			VCN, inst_idx, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
582 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
583 			VCN, inst_idx, mmUVD_VCPU_NONCACHE_SIZE0),
584 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
585 
586 	/* VCN global tiling registers */
587 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
588 		UVD, inst_idx, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
589 }
590 
591 static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
592 {
593 	uint32_t data = 0;
594 
595 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
596 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
597 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
598 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
599 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
600 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
601 			| 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
602 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
603 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
604 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
605 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
606 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
607 			| 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
608 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
609 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
610 
611 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
612 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS,
613 			UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF);
614 	} else {
615 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
616 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
617 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
618 			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
619 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
620 			| 1 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
621 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
622 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
623 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
624 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
625 			| 1 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
626 			| 1 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
627 			| 1 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
628 			| 1 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
629 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
630 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, 0,  0x3F3FFFFF);
631 	}
632 
633 	data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
634 	data &= ~0x103;
635 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
636 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
637 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
638 
639 	WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
640 }
641 
642 static void vcn_v3_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
643 {
644 	uint32_t data;
645 
646 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
647 		/* Before power off, this indicator has to be turned on */
648 		data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
649 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
650 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
651 		WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
652 
653 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
654 			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
655 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
656 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
657 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
658 			| 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
659 			| 2 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
660 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
661 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
662 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
663 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
664 			| 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
665 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
666 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
667 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
668 
669 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
670 			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
671 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
672 			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
673 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
674 			| 2 << UVD_PGFSM_STATUS__UVDIRL_PWR_STATUS__SHIFT
675 			| 2 << UVD_PGFSM_STATUS__UVDLM_PWR_STATUS__SHIFT
676 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
677 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
678 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
679 			| 2 << UVD_PGFSM_STATUS__UVDAB_PWR_STATUS__SHIFT
680 			| 2 << UVD_PGFSM_STATUS__UVDATD_PWR_STATUS__SHIFT
681 			| 2 << UVD_PGFSM_STATUS__UVDNA_PWR_STATUS__SHIFT
682 			| 2 << UVD_PGFSM_STATUS__UVDNB_PWR_STATUS__SHIFT);
683 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, data, 0x3F3FFFFF);
684 	}
685 }
686 
687 /**
688  * vcn_v3_0_disable_clock_gating - disable VCN clock gating
689  *
690  * @adev: amdgpu_device pointer
691  * @inst: instance number
692  *
693  * Disable clock gating for VCN block
694  */
695 static void vcn_v3_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
696 {
697 	uint32_t data;
698 
699 	/* VCN disable CGC */
700 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
701 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
702 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
703 	else
704 		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
705 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
706 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
707 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
708 
709 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_GATE);
710 	data &= ~(UVD_CGC_GATE__SYS_MASK
711 		| UVD_CGC_GATE__UDEC_MASK
712 		| UVD_CGC_GATE__MPEG2_MASK
713 		| UVD_CGC_GATE__REGS_MASK
714 		| UVD_CGC_GATE__RBC_MASK
715 		| UVD_CGC_GATE__LMI_MC_MASK
716 		| UVD_CGC_GATE__LMI_UMC_MASK
717 		| UVD_CGC_GATE__IDCT_MASK
718 		| UVD_CGC_GATE__MPRD_MASK
719 		| UVD_CGC_GATE__MPC_MASK
720 		| UVD_CGC_GATE__LBSI_MASK
721 		| UVD_CGC_GATE__LRBBM_MASK
722 		| UVD_CGC_GATE__UDEC_RE_MASK
723 		| UVD_CGC_GATE__UDEC_CM_MASK
724 		| UVD_CGC_GATE__UDEC_IT_MASK
725 		| UVD_CGC_GATE__UDEC_DB_MASK
726 		| UVD_CGC_GATE__UDEC_MP_MASK
727 		| UVD_CGC_GATE__WCB_MASK
728 		| UVD_CGC_GATE__VCPU_MASK
729 		| UVD_CGC_GATE__MMSCH_MASK);
730 
731 	WREG32_SOC15(VCN, inst, mmUVD_CGC_GATE, data);
732 
733 	SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
734 
735 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
736 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
737 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
738 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
739 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
740 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
741 		| UVD_CGC_CTRL__SYS_MODE_MASK
742 		| UVD_CGC_CTRL__UDEC_MODE_MASK
743 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
744 		| UVD_CGC_CTRL__REGS_MODE_MASK
745 		| UVD_CGC_CTRL__RBC_MODE_MASK
746 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
747 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
748 		| UVD_CGC_CTRL__IDCT_MODE_MASK
749 		| UVD_CGC_CTRL__MPRD_MODE_MASK
750 		| UVD_CGC_CTRL__MPC_MODE_MASK
751 		| UVD_CGC_CTRL__LBSI_MODE_MASK
752 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
753 		| UVD_CGC_CTRL__WCB_MODE_MASK
754 		| UVD_CGC_CTRL__VCPU_MODE_MASK
755 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
756 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
757 
758 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE);
759 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
760 		| UVD_SUVD_CGC_GATE__SIT_MASK
761 		| UVD_SUVD_CGC_GATE__SMP_MASK
762 		| UVD_SUVD_CGC_GATE__SCM_MASK
763 		| UVD_SUVD_CGC_GATE__SDB_MASK
764 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
765 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
766 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
767 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
768 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
769 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
770 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
771 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
772 		| UVD_SUVD_CGC_GATE__SCLR_MASK
773 		| UVD_SUVD_CGC_GATE__ENT_MASK
774 		| UVD_SUVD_CGC_GATE__IME_MASK
775 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
776 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
777 		| UVD_SUVD_CGC_GATE__SITE_MASK
778 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
779 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
780 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
781 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
782 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK
783 		| UVD_SUVD_CGC_GATE__EFC_MASK
784 		| UVD_SUVD_CGC_GATE__SAOE_MASK
785 		| UVD_SUVD_CGC_GATE__SRE_AV1_MASK
786 		| UVD_SUVD_CGC_GATE__FBC_PCLK_MASK
787 		| UVD_SUVD_CGC_GATE__FBC_CCLK_MASK
788 		| UVD_SUVD_CGC_GATE__SCM_AV1_MASK
789 		| UVD_SUVD_CGC_GATE__SMPA_MASK);
790 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE, data);
791 
792 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2);
793 	data |= (UVD_SUVD_CGC_GATE2__MPBE0_MASK
794 		| UVD_SUVD_CGC_GATE2__MPBE1_MASK
795 		| UVD_SUVD_CGC_GATE2__SIT_AV1_MASK
796 		| UVD_SUVD_CGC_GATE2__SDB_AV1_MASK
797 		| UVD_SUVD_CGC_GATE2__MPC1_MASK);
798 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2, data);
799 
800 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL);
801 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
802 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
803 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
804 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
805 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
806 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
807 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
808 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
809 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK
810 		| UVD_SUVD_CGC_CTRL__EFC_MODE_MASK
811 		| UVD_SUVD_CGC_CTRL__SAOE_MODE_MASK
812 		| UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK
813 		| UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK
814 		| UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK
815 		| UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK
816 		| UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK
817 		| UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK
818 		| UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK
819 		| UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK);
820 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
821 }
822 
823 static void vcn_v3_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
824 		uint8_t sram_sel, int inst_idx, uint8_t indirect)
825 {
826 	uint32_t reg_data = 0;
827 
828 	/* enable sw clock gating control */
829 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
830 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
831 	else
832 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
833 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
834 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
835 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
836 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
837 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
838 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
839 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
840 		 UVD_CGC_CTRL__SYS_MODE_MASK |
841 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
842 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
843 		 UVD_CGC_CTRL__REGS_MODE_MASK |
844 		 UVD_CGC_CTRL__RBC_MODE_MASK |
845 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
846 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
847 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
848 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
849 		 UVD_CGC_CTRL__MPC_MODE_MASK |
850 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
851 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
852 		 UVD_CGC_CTRL__WCB_MODE_MASK |
853 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
854 		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
855 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
856 		VCN, inst_idx, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
857 
858 	/* turn off clock gating */
859 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
860 		VCN, inst_idx, mmUVD_CGC_GATE), 0, sram_sel, indirect);
861 
862 	/* turn on SUVD clock gating */
863 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
864 		VCN, inst_idx, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
865 
866 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
867 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
868 		VCN, inst_idx, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
869 }
870 
871 /**
872  * vcn_v3_0_enable_clock_gating - enable VCN clock gating
873  *
874  * @adev: amdgpu_device pointer
875  * @inst: instance number
876  *
877  * Enable clock gating for VCN block
878  */
879 static void vcn_v3_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
880 {
881 	uint32_t data;
882 
883 	/* enable VCN CGC */
884 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
885 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
886 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
887 	else
888 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
889 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
890 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
891 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
892 
893 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
894 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
895 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
896 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
897 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
898 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
899 		| UVD_CGC_CTRL__SYS_MODE_MASK
900 		| UVD_CGC_CTRL__UDEC_MODE_MASK
901 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
902 		| UVD_CGC_CTRL__REGS_MODE_MASK
903 		| UVD_CGC_CTRL__RBC_MODE_MASK
904 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
905 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
906 		| UVD_CGC_CTRL__IDCT_MODE_MASK
907 		| UVD_CGC_CTRL__MPRD_MODE_MASK
908 		| UVD_CGC_CTRL__MPC_MODE_MASK
909 		| UVD_CGC_CTRL__LBSI_MODE_MASK
910 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
911 		| UVD_CGC_CTRL__WCB_MODE_MASK
912 		| UVD_CGC_CTRL__VCPU_MODE_MASK
913 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
914 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
915 
916 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL);
917 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
918 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
919 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
920 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
921 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
922 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
923 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
924 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
925 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK
926 		| UVD_SUVD_CGC_CTRL__EFC_MODE_MASK
927 		| UVD_SUVD_CGC_CTRL__SAOE_MODE_MASK
928 		| UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK
929 		| UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK
930 		| UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK
931 		| UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK
932 		| UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK
933 		| UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK
934 		| UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK
935 		| UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK);
936 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
937 }
938 
939 static int vcn_v3_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
940 {
941 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
942 	struct amdgpu_ring *ring;
943 	uint32_t rb_bufsz, tmp;
944 
945 	/* disable register anti-hang mechanism */
946 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
947 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
948 	/* enable dynamic power gating mode */
949 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
950 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
951 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
952 	WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
953 
954 	if (indirect)
955 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
956 
957 	/* enable clock gating */
958 	vcn_v3_0_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
959 
960 	/* enable VCPU clock */
961 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
962 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
963 	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
964 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
965 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
966 
967 	/* disable master interupt */
968 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
969 		VCN, inst_idx, mmUVD_MASTINT_EN), 0, 0, indirect);
970 
971 	/* setup mmUVD_LMI_CTRL */
972 	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
973 		UVD_LMI_CTRL__REQ_MODE_MASK |
974 		UVD_LMI_CTRL__CRC_RESET_MASK |
975 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
976 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
977 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
978 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
979 		0x00100000L);
980 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
981 		VCN, inst_idx, mmUVD_LMI_CTRL), tmp, 0, indirect);
982 
983 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
984 		VCN, inst_idx, mmUVD_MPC_CNTL),
985 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
986 
987 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
988 		VCN, inst_idx, mmUVD_MPC_SET_MUXA0),
989 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
990 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
991 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
992 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
993 
994 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
995 		VCN, inst_idx, mmUVD_MPC_SET_MUXB0),
996 		 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
997 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
998 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
999 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
1000 
1001 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1002 		VCN, inst_idx, mmUVD_MPC_SET_MUX),
1003 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1004 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1005 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
1006 
1007 	vcn_v3_0_mc_resume_dpg_mode(adev, inst_idx, indirect);
1008 
1009 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1010 		VCN, inst_idx, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
1011 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1012 		VCN, inst_idx, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
1013 
1014 	/* enable LMI MC and UMC channels */
1015 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1016 		VCN, inst_idx, mmUVD_LMI_CTRL2), 0, 0, indirect);
1017 
1018 	/* unblock VCPU register access */
1019 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1020 		VCN, inst_idx, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
1021 
1022 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1023 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1024 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1025 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1026 
1027 	/* enable master interrupt */
1028 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1029 		VCN, inst_idx, mmUVD_MASTINT_EN),
1030 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
1031 
1032 	/* add nop to workaround PSP size check */
1033 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1034 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1035 
1036 	if (indirect)
1037 		psp_update_vcn_sram(adev, inst_idx, adev->vcn.inst[inst_idx].dpg_sram_gpu_addr,
1038 			(uint32_t)((uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_curr_addr -
1039 				(uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr));
1040 
1041 	ring = &adev->vcn.inst[inst_idx].ring_dec;
1042 	/* force RBC into idle state */
1043 	rb_bufsz = order_base_2(ring->ring_size);
1044 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1045 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1046 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1047 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1048 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1049 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
1050 
1051 	/* Stall DPG before WPTR/RPTR reset */
1052 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1053 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1054 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1055 	fw_shared->multi_queue.decode_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1056 
1057 	/* set the write pointer delay */
1058 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
1059 
1060 	/* set the wb address */
1061 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
1062 		(upper_32_bits(ring->gpu_addr) >> 2));
1063 
1064 	/* programm the RB_BASE for ring buffer */
1065 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1066 		lower_32_bits(ring->gpu_addr));
1067 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1068 		upper_32_bits(ring->gpu_addr));
1069 
1070 	/* Initialize the ring buffer's read and write pointers */
1071 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
1072 
1073 	WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
1074 
1075 	ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
1076 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
1077 		lower_32_bits(ring->wptr));
1078 
1079 	/* Reset FW shared memory RBC WPTR/RPTR */
1080 	fw_shared->rb.rptr = 0;
1081 	fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1082 
1083 	/*resetting done, fw can check RB ring */
1084 	fw_shared->multi_queue.decode_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1085 
1086 	/* Unstall DPG */
1087 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1088 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1089 
1090 	return 0;
1091 }
1092 
1093 static int vcn_v3_0_start(struct amdgpu_device *adev)
1094 {
1095 	volatile struct amdgpu_fw_shared *fw_shared;
1096 	struct amdgpu_ring *ring;
1097 	uint32_t rb_bufsz, tmp;
1098 	int i, j, k, r;
1099 
1100 	if (adev->pm.dpm_enabled)
1101 		amdgpu_dpm_enable_uvd(adev, true);
1102 
1103 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1104 		if (adev->vcn.harvest_config & (1 << i))
1105 			continue;
1106 
1107 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG){
1108 			r = vcn_v3_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
1109 			continue;
1110 		}
1111 
1112 		/* disable VCN power gating */
1113 		vcn_v3_0_disable_static_power_gating(adev, i);
1114 
1115 		/* set VCN status busy */
1116 		tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
1117 		WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
1118 
1119 		/*SW clock gating */
1120 		vcn_v3_0_disable_clock_gating(adev, i);
1121 
1122 		/* enable VCPU clock */
1123 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1124 			UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1125 
1126 		/* disable master interrupt */
1127 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
1128 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1129 
1130 		/* enable LMI MC and UMC channels */
1131 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
1132 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1133 
1134 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1135 		tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1136 		tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1137 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1138 
1139 		/* setup mmUVD_LMI_CTRL */
1140 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
1141 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp |
1142 			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
1143 			UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1144 			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1145 			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1146 
1147 		/* setup mmUVD_MPC_CNTL */
1148 		tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
1149 		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1150 		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1151 		WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
1152 
1153 		/* setup UVD_MPC_SET_MUXA0 */
1154 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
1155 			((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1156 			(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1157 			(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1158 			(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1159 
1160 		/* setup UVD_MPC_SET_MUXB0 */
1161 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
1162 			((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1163 			(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1164 			(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1165 			(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1166 
1167 		/* setup mmUVD_MPC_SET_MUX */
1168 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
1169 			((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1170 			(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1171 			(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1172 
1173 		vcn_v3_0_mc_resume(adev, i);
1174 
1175 		/* VCN global tiling registers */
1176 		WREG32_SOC15(VCN, i, mmUVD_GFX10_ADDR_CONFIG,
1177 			adev->gfx.config.gb_addr_config);
1178 
1179 		/* unblock VCPU register access */
1180 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
1181 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1182 
1183 		/* release VCPU reset to boot */
1184 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1185 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1186 
1187 		for (j = 0; j < 10; ++j) {
1188 			uint32_t status;
1189 
1190 			for (k = 0; k < 100; ++k) {
1191 				status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
1192 				if (status & 2)
1193 					break;
1194 				mdelay(10);
1195 			}
1196 			r = 0;
1197 			if (status & 2)
1198 				break;
1199 
1200 			DRM_ERROR("VCN[%d] decode not responding, trying to reset the VCPU!!!\n", i);
1201 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1202 				UVD_VCPU_CNTL__BLK_RST_MASK,
1203 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1204 			mdelay(10);
1205 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1206 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1207 
1208 			mdelay(10);
1209 			r = -1;
1210 		}
1211 
1212 		if (r) {
1213 			DRM_ERROR("VCN[%d] decode not responding, giving up!!!\n", i);
1214 			return r;
1215 		}
1216 
1217 		/* enable master interrupt */
1218 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
1219 			UVD_MASTINT_EN__VCPU_EN_MASK,
1220 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1221 
1222 		/* clear the busy bit of VCN_STATUS */
1223 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
1224 			~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1225 
1226 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
1227 
1228 		ring = &adev->vcn.inst[i].ring_dec;
1229 		/* force RBC into idle state */
1230 		rb_bufsz = order_base_2(ring->ring_size);
1231 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1232 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1233 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1234 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1235 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1236 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
1237 
1238 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1239 		fw_shared->multi_queue.decode_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1240 
1241 		/* programm the RB_BASE for ring buffer */
1242 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1243 			lower_32_bits(ring->gpu_addr));
1244 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1245 			upper_32_bits(ring->gpu_addr));
1246 
1247 		/* Initialize the ring buffer's read and write pointers */
1248 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
1249 
1250 		WREG32_SOC15(VCN, i, mmUVD_SCRATCH2, 0);
1251 		ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
1252 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
1253 			lower_32_bits(ring->wptr));
1254 		fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1255 		fw_shared->multi_queue.decode_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1256 
1257 		if (adev->ip_versions[UVD_HWIP][0] != IP_VERSION(3, 0, 33)) {
1258 			fw_shared->multi_queue.encode_generalpurpose_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1259 			ring = &adev->vcn.inst[i].ring_enc[0];
1260 			WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1261 			WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1262 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
1263 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1264 			WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
1265 			fw_shared->multi_queue.encode_generalpurpose_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1266 
1267 			fw_shared->multi_queue.encode_lowlatency_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1268 			ring = &adev->vcn.inst[i].ring_enc[1];
1269 			WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1270 			WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1271 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1272 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1273 			WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
1274 			fw_shared->multi_queue.encode_lowlatency_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1275 		}
1276 	}
1277 
1278 	return 0;
1279 }
1280 
1281 static int vcn_v3_0_start_sriov(struct amdgpu_device *adev)
1282 {
1283 	int i, j;
1284 	struct amdgpu_ring *ring;
1285 	uint64_t cache_addr;
1286 	uint64_t rb_addr;
1287 	uint64_t ctx_addr;
1288 	uint32_t param, resp, expected;
1289 	uint32_t offset, cache_size;
1290 	uint32_t tmp, timeout;
1291 
1292 	struct amdgpu_mm_table *table = &adev->virt.mm_table;
1293 	uint32_t *table_loc;
1294 	uint32_t table_size;
1295 	uint32_t size, size_dw;
1296 
1297 	struct mmsch_v3_0_cmd_direct_write
1298 		direct_wt = { {0} };
1299 	struct mmsch_v3_0_cmd_direct_read_modify_write
1300 		direct_rd_mod_wt = { {0} };
1301 	struct mmsch_v3_0_cmd_end end = { {0} };
1302 	struct mmsch_v3_0_init_header header;
1303 
1304 	direct_wt.cmd_header.command_type =
1305 		MMSCH_COMMAND__DIRECT_REG_WRITE;
1306 	direct_rd_mod_wt.cmd_header.command_type =
1307 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1308 	end.cmd_header.command_type =
1309 		MMSCH_COMMAND__END;
1310 
1311 	header.version = MMSCH_VERSION;
1312 	header.total_size = sizeof(struct mmsch_v3_0_init_header) >> 2;
1313 	for (i = 0; i < AMDGPU_MAX_VCN_INSTANCES; i++) {
1314 		header.inst[i].init_status = 0;
1315 		header.inst[i].table_offset = 0;
1316 		header.inst[i].table_size = 0;
1317 	}
1318 
1319 	table_loc = (uint32_t *)table->cpu_addr;
1320 	table_loc += header.total_size;
1321 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1322 		if (adev->vcn.harvest_config & (1 << i))
1323 			continue;
1324 
1325 		table_size = 0;
1326 
1327 		MMSCH_V3_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCN, i,
1328 			mmUVD_STATUS),
1329 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1330 
1331 		cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
1332 
1333 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1334 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1335 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1336 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
1337 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1338 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1339 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
1340 			offset = 0;
1341 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1342 				mmUVD_VCPU_CACHE_OFFSET0),
1343 				0);
1344 		} else {
1345 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1346 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1347 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1348 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1349 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1350 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1351 			offset = cache_size;
1352 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1353 				mmUVD_VCPU_CACHE_OFFSET0),
1354 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1355 		}
1356 
1357 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1358 			mmUVD_VCPU_CACHE_SIZE0),
1359 			cache_size);
1360 
1361 		cache_addr = adev->vcn.inst[i].gpu_addr + offset;
1362 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1363 			mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1364 			lower_32_bits(cache_addr));
1365 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1366 			mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1367 			upper_32_bits(cache_addr));
1368 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1369 			mmUVD_VCPU_CACHE_OFFSET1),
1370 			0);
1371 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1372 			mmUVD_VCPU_CACHE_SIZE1),
1373 			AMDGPU_VCN_STACK_SIZE);
1374 
1375 		cache_addr = adev->vcn.inst[i].gpu_addr + offset +
1376 			AMDGPU_VCN_STACK_SIZE;
1377 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1378 			mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1379 			lower_32_bits(cache_addr));
1380 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1381 			mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1382 			upper_32_bits(cache_addr));
1383 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1384 			mmUVD_VCPU_CACHE_OFFSET2),
1385 			0);
1386 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1387 			mmUVD_VCPU_CACHE_SIZE2),
1388 			AMDGPU_VCN_CONTEXT_SIZE);
1389 
1390 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
1391 			ring = &adev->vcn.inst[i].ring_enc[j];
1392 			ring->wptr = 0;
1393 			rb_addr = ring->gpu_addr;
1394 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1395 				mmUVD_RB_BASE_LO),
1396 				lower_32_bits(rb_addr));
1397 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1398 				mmUVD_RB_BASE_HI),
1399 				upper_32_bits(rb_addr));
1400 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1401 				mmUVD_RB_SIZE),
1402 				ring->ring_size / 4);
1403 		}
1404 
1405 		ring = &adev->vcn.inst[i].ring_dec;
1406 		ring->wptr = 0;
1407 		rb_addr = ring->gpu_addr;
1408 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1409 			mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1410 			lower_32_bits(rb_addr));
1411 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1412 			mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1413 			upper_32_bits(rb_addr));
1414 		/* force RBC into idle state */
1415 		tmp = order_base_2(ring->ring_size);
1416 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp);
1417 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1418 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1419 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1420 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1421 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1422 			mmUVD_RBC_RB_CNTL),
1423 			tmp);
1424 
1425 		/* add end packet */
1426 		MMSCH_V3_0_INSERT_END();
1427 
1428 		/* refine header */
1429 		header.inst[i].init_status = 0;
1430 		header.inst[i].table_offset = header.total_size;
1431 		header.inst[i].table_size = table_size;
1432 		header.total_size += table_size;
1433 	}
1434 
1435 	/* Update init table header in memory */
1436 	size = sizeof(struct mmsch_v3_0_init_header);
1437 	table_loc = (uint32_t *)table->cpu_addr;
1438 	memcpy((void *)table_loc, &header, size);
1439 
1440 	/* message MMSCH (in VCN[0]) to initialize this client
1441 	 * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1442 	 * of memory descriptor location
1443 	 */
1444 	ctx_addr = table->gpu_addr;
1445 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
1446 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
1447 
1448 	/* 2, update vmid of descriptor */
1449 	tmp = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
1450 	tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1451 	/* use domain0 for MM scheduler */
1452 	tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1453 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, tmp);
1454 
1455 	/* 3, notify mmsch about the size of this descriptor */
1456 	size = header.total_size;
1457 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
1458 
1459 	/* 4, set resp to zero */
1460 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1461 
1462 	/* 5, kick off the initialization and wait until
1463 	 * MMSCH_VF_MAILBOX_RESP becomes non-zero
1464 	 */
1465 	param = 0x10000001;
1466 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, param);
1467 	tmp = 0;
1468 	timeout = 1000;
1469 	resp = 0;
1470 	expected = param + 1;
1471 	while (resp != expected) {
1472 		resp = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1473 		if (resp == expected)
1474 			break;
1475 
1476 		udelay(10);
1477 		tmp = tmp + 10;
1478 		if (tmp >= timeout) {
1479 			DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
1480 				" waiting for mmMMSCH_VF_MAILBOX_RESP "\
1481 				"(expected=0x%08x, readback=0x%08x)\n",
1482 				tmp, expected, resp);
1483 			return -EBUSY;
1484 		}
1485 	}
1486 
1487 	return 0;
1488 }
1489 
1490 static int vcn_v3_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
1491 {
1492 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
1493 	uint32_t tmp;
1494 
1495 	vcn_v3_0_pause_dpg_mode(adev, inst_idx, &state);
1496 
1497 	/* Wait for power status to be 1 */
1498 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1499 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1500 
1501 	/* wait for read ptr to be equal to write ptr */
1502 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
1503 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1504 
1505 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
1506 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1507 
1508 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1509 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1510 
1511 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1512 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1513 
1514 	/* disable dynamic power gating mode */
1515 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
1516 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1517 
1518 	return 0;
1519 }
1520 
1521 static int vcn_v3_0_stop(struct amdgpu_device *adev)
1522 {
1523 	uint32_t tmp;
1524 	int i, r = 0;
1525 
1526 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1527 		if (adev->vcn.harvest_config & (1 << i))
1528 			continue;
1529 
1530 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1531 			r = vcn_v3_0_stop_dpg_mode(adev, i);
1532 			continue;
1533 		}
1534 
1535 		/* wait for vcn idle */
1536 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1537 		if (r)
1538 			return r;
1539 
1540 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1541 			UVD_LMI_STATUS__READ_CLEAN_MASK |
1542 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1543 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1544 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1545 		if (r)
1546 			return r;
1547 
1548 		/* disable LMI UMC channel */
1549 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
1550 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1551 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
1552 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1553 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1554 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1555 		if (r)
1556 			return r;
1557 
1558 		/* block VCPU register access */
1559 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
1560 			UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1561 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1562 
1563 		/* reset VCPU */
1564 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1565 			UVD_VCPU_CNTL__BLK_RST_MASK,
1566 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1567 
1568 		/* disable VCPU clock */
1569 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1570 			~(UVD_VCPU_CNTL__CLK_EN_MASK));
1571 
1572 		/* apply soft reset */
1573 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1574 		tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1575 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1576 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1577 		tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1578 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1579 
1580 		/* clear status */
1581 		WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
1582 
1583 		/* apply HW clock gating */
1584 		vcn_v3_0_enable_clock_gating(adev, i);
1585 
1586 		/* enable VCN power gating */
1587 		vcn_v3_0_enable_static_power_gating(adev, i);
1588 	}
1589 
1590 	if (adev->pm.dpm_enabled)
1591 		amdgpu_dpm_enable_uvd(adev, false);
1592 
1593 	return 0;
1594 }
1595 
1596 static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev,
1597 		   int inst_idx, struct dpg_pause_state *new_state)
1598 {
1599 	volatile struct amdgpu_fw_shared *fw_shared;
1600 	struct amdgpu_ring *ring;
1601 	uint32_t reg_data = 0;
1602 	int ret_code;
1603 
1604 	/* pause/unpause if state is changed */
1605 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1606 		DRM_DEBUG("dpg pause state changed %d -> %d",
1607 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1608 		reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
1609 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1610 
1611 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1612 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1613 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1614 
1615 			if (!ret_code) {
1616 				/* pause DPG */
1617 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1618 				WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1619 
1620 				/* wait for ACK */
1621 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
1622 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1623 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1624 
1625 				/* Stall DPG before WPTR/RPTR reset */
1626 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1627 					UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1628 					~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1629 
1630 				if (adev->ip_versions[UVD_HWIP][0] != IP_VERSION(3, 0, 33)) {
1631 					/* Restore */
1632 					fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
1633 					fw_shared->multi_queue.encode_generalpurpose_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1634 					ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1635 					ring->wptr = 0;
1636 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
1637 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1638 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
1639 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1640 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1641 					fw_shared->multi_queue.encode_generalpurpose_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1642 
1643 					fw_shared->multi_queue.encode_lowlatency_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1644 					ring = &adev->vcn.inst[inst_idx].ring_enc[1];
1645 					ring->wptr = 0;
1646 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1647 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1648 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
1649 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1650 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1651 					fw_shared->multi_queue.encode_lowlatency_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1652 
1653 					/* restore wptr/rptr with pointers saved in FW shared memory*/
1654 					WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, fw_shared->rb.rptr);
1655 					WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR, fw_shared->rb.wptr);
1656 				}
1657 
1658 				/* Unstall DPG */
1659 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1660 					0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1661 
1662 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
1663 					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1664 			}
1665 		} else {
1666 			/* unpause dpg, no need to wait */
1667 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1668 			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1669 		}
1670 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1671 	}
1672 
1673 	return 0;
1674 }
1675 
1676 /**
1677  * vcn_v3_0_dec_ring_get_rptr - get read pointer
1678  *
1679  * @ring: amdgpu_ring pointer
1680  *
1681  * Returns the current hardware read pointer
1682  */
1683 static uint64_t vcn_v3_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1684 {
1685 	struct amdgpu_device *adev = ring->adev;
1686 
1687 	return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
1688 }
1689 
1690 /**
1691  * vcn_v3_0_dec_ring_get_wptr - get write pointer
1692  *
1693  * @ring: amdgpu_ring pointer
1694  *
1695  * Returns the current hardware write pointer
1696  */
1697 static uint64_t vcn_v3_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1698 {
1699 	struct amdgpu_device *adev = ring->adev;
1700 
1701 	if (ring->use_doorbell)
1702 		return *ring->wptr_cpu_addr;
1703 	else
1704 		return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
1705 }
1706 
1707 /**
1708  * vcn_v3_0_dec_ring_set_wptr - set write pointer
1709  *
1710  * @ring: amdgpu_ring pointer
1711  *
1712  * Commits the write pointer to the hardware
1713  */
1714 static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1715 {
1716 	struct amdgpu_device *adev = ring->adev;
1717 	volatile struct amdgpu_fw_shared *fw_shared;
1718 
1719 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1720 		/*whenever update RBC_RB_WPTR, we save the wptr in shared rb.wptr and scratch2 */
1721 		fw_shared = adev->vcn.inst[ring->me].fw_shared.cpu_addr;
1722 		fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1723 		WREG32_SOC15(VCN, ring->me, mmUVD_SCRATCH2,
1724 			lower_32_bits(ring->wptr));
1725 	}
1726 
1727 	if (ring->use_doorbell) {
1728 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1729 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1730 	} else {
1731 		WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1732 	}
1733 }
1734 
1735 static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
1736 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1737 	.align_mask = 0x3f,
1738 	.nop = VCN_DEC_SW_CMD_NO_OP,
1739 	.secure_submission_supported = true,
1740 	.vmhub = AMDGPU_MMHUB_0,
1741 	.get_rptr = vcn_v3_0_dec_ring_get_rptr,
1742 	.get_wptr = vcn_v3_0_dec_ring_get_wptr,
1743 	.set_wptr = vcn_v3_0_dec_ring_set_wptr,
1744 	.emit_frame_size =
1745 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1746 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1747 		VCN_SW_RING_EMIT_FRAME_SIZE,
1748 	.emit_ib_size = 5, /* vcn_dec_sw_ring_emit_ib */
1749 	.emit_ib = vcn_dec_sw_ring_emit_ib,
1750 	.emit_fence = vcn_dec_sw_ring_emit_fence,
1751 	.emit_vm_flush = vcn_dec_sw_ring_emit_vm_flush,
1752 	.test_ring = amdgpu_vcn_dec_sw_ring_test_ring,
1753 	.test_ib = NULL,//amdgpu_vcn_dec_sw_ring_test_ib,
1754 	.insert_nop = amdgpu_ring_insert_nop,
1755 	.insert_end = vcn_dec_sw_ring_insert_end,
1756 	.pad_ib = amdgpu_ring_generic_pad_ib,
1757 	.begin_use = amdgpu_vcn_ring_begin_use,
1758 	.end_use = amdgpu_vcn_ring_end_use,
1759 	.emit_wreg = vcn_dec_sw_ring_emit_wreg,
1760 	.emit_reg_wait = vcn_dec_sw_ring_emit_reg_wait,
1761 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1762 };
1763 
1764 static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p,
1765 				struct amdgpu_job *job)
1766 {
1767 	struct drm_gpu_scheduler **scheds;
1768 
1769 	/* The create msg must be in the first IB submitted */
1770 	if (atomic_read(&job->base.entity->fence_seq))
1771 		return -EINVAL;
1772 
1773 	scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_DEC]
1774 		[AMDGPU_RING_PRIO_DEFAULT].sched;
1775 	drm_sched_entity_modify_sched(job->base.entity, scheds, 1);
1776 	return 0;
1777 }
1778 
1779 static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
1780 			    uint64_t addr)
1781 {
1782 	struct ttm_operation_ctx ctx = { false, false };
1783 	struct amdgpu_bo_va_mapping *map;
1784 	uint32_t *msg, num_buffers;
1785 	struct amdgpu_bo *bo;
1786 	uint64_t start, end;
1787 	unsigned int i;
1788 	void * ptr;
1789 	int r;
1790 
1791 	addr &= AMDGPU_GMC_HOLE_MASK;
1792 	r = amdgpu_cs_find_mapping(p, addr, &bo, &map);
1793 	if (r) {
1794 		DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
1795 		return r;
1796 	}
1797 
1798 	start = map->start * AMDGPU_GPU_PAGE_SIZE;
1799 	end = (map->last + 1) * AMDGPU_GPU_PAGE_SIZE;
1800 	if (addr & 0x7) {
1801 		DRM_ERROR("VCN messages must be 8 byte aligned!\n");
1802 		return -EINVAL;
1803 	}
1804 
1805 	bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
1806 	amdgpu_bo_placement_from_domain(bo, bo->allowed_domains);
1807 	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1808 	if (r) {
1809 		DRM_ERROR("Failed validating the VCN message BO (%d)!\n", r);
1810 		return r;
1811 	}
1812 
1813 	r = amdgpu_bo_kmap(bo, &ptr);
1814 	if (r) {
1815 		DRM_ERROR("Failed mapping the VCN message (%d)!\n", r);
1816 		return r;
1817 	}
1818 
1819 	msg = ptr + addr - start;
1820 
1821 	/* Check length */
1822 	if (msg[1] > end - addr) {
1823 		r = -EINVAL;
1824 		goto out;
1825 	}
1826 
1827 	if (msg[3] != RDECODE_MSG_CREATE)
1828 		goto out;
1829 
1830 	num_buffers = msg[2];
1831 	for (i = 0, msg = &msg[6]; i < num_buffers; ++i, msg += 4) {
1832 		uint32_t offset, size, *create;
1833 
1834 		if (msg[0] != RDECODE_MESSAGE_CREATE)
1835 			continue;
1836 
1837 		offset = msg[1];
1838 		size = msg[2];
1839 
1840 		if (offset + size > end) {
1841 			r = -EINVAL;
1842 			goto out;
1843 		}
1844 
1845 		create = ptr + addr + offset - start;
1846 
1847 		/* H246, HEVC and VP9 can run on any instance */
1848 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
1849 			continue;
1850 
1851 		r = vcn_v3_0_limit_sched(p, job);
1852 		if (r)
1853 			goto out;
1854 	}
1855 
1856 out:
1857 	amdgpu_bo_kunmap(bo);
1858 	return r;
1859 }
1860 
1861 static int vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
1862 					   struct amdgpu_job *job,
1863 					   struct amdgpu_ib *ib)
1864 {
1865 	struct amdgpu_ring *ring = amdgpu_job_ring(job);
1866 	uint32_t msg_lo = 0, msg_hi = 0;
1867 	unsigned i;
1868 	int r;
1869 
1870 	/* The first instance can decode anything */
1871 	if (!ring->me)
1872 		return 0;
1873 
1874 	for (i = 0; i < ib->length_dw; i += 2) {
1875 		uint32_t reg = amdgpu_ib_get_value(ib, i);
1876 		uint32_t val = amdgpu_ib_get_value(ib, i + 1);
1877 
1878 		if (reg == PACKET0(p->adev->vcn.internal.data0, 0)) {
1879 			msg_lo = val;
1880 		} else if (reg == PACKET0(p->adev->vcn.internal.data1, 0)) {
1881 			msg_hi = val;
1882 		} else if (reg == PACKET0(p->adev->vcn.internal.cmd, 0) &&
1883 			   val == 0) {
1884 			r = vcn_v3_0_dec_msg(p, job,
1885 					     ((u64)msg_hi) << 32 | msg_lo);
1886 			if (r)
1887 				return r;
1888 		}
1889 	}
1890 	return 0;
1891 }
1892 
1893 static const struct amdgpu_ring_funcs vcn_v3_0_dec_ring_vm_funcs = {
1894 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1895 	.align_mask = 0xf,
1896 	.secure_submission_supported = true,
1897 	.vmhub = AMDGPU_MMHUB_0,
1898 	.get_rptr = vcn_v3_0_dec_ring_get_rptr,
1899 	.get_wptr = vcn_v3_0_dec_ring_get_wptr,
1900 	.set_wptr = vcn_v3_0_dec_ring_set_wptr,
1901 	.patch_cs_in_place = vcn_v3_0_ring_patch_cs_in_place,
1902 	.emit_frame_size =
1903 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1904 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1905 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
1906 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
1907 		6,
1908 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
1909 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
1910 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
1911 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
1912 	.test_ring = vcn_v2_0_dec_ring_test_ring,
1913 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
1914 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
1915 	.insert_start = vcn_v2_0_dec_ring_insert_start,
1916 	.insert_end = vcn_v2_0_dec_ring_insert_end,
1917 	.pad_ib = amdgpu_ring_generic_pad_ib,
1918 	.begin_use = amdgpu_vcn_ring_begin_use,
1919 	.end_use = amdgpu_vcn_ring_end_use,
1920 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
1921 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
1922 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1923 };
1924 
1925 /**
1926  * vcn_v3_0_enc_ring_get_rptr - get enc read pointer
1927  *
1928  * @ring: amdgpu_ring pointer
1929  *
1930  * Returns the current hardware enc read pointer
1931  */
1932 static uint64_t vcn_v3_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
1933 {
1934 	struct amdgpu_device *adev = ring->adev;
1935 
1936 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
1937 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
1938 	else
1939 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
1940 }
1941 
1942 /**
1943  * vcn_v3_0_enc_ring_get_wptr - get enc write pointer
1944  *
1945  * @ring: amdgpu_ring pointer
1946  *
1947  * Returns the current hardware enc write pointer
1948  */
1949 static uint64_t vcn_v3_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
1950 {
1951 	struct amdgpu_device *adev = ring->adev;
1952 
1953 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1954 		if (ring->use_doorbell)
1955 			return *ring->wptr_cpu_addr;
1956 		else
1957 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
1958 	} else {
1959 		if (ring->use_doorbell)
1960 			return *ring->wptr_cpu_addr;
1961 		else
1962 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
1963 	}
1964 }
1965 
1966 /**
1967  * vcn_v3_0_enc_ring_set_wptr - set enc write pointer
1968  *
1969  * @ring: amdgpu_ring pointer
1970  *
1971  * Commits the enc write pointer to the hardware
1972  */
1973 static void vcn_v3_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
1974 {
1975 	struct amdgpu_device *adev = ring->adev;
1976 
1977 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1978 		if (ring->use_doorbell) {
1979 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1980 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1981 		} else {
1982 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1983 		}
1984 	} else {
1985 		if (ring->use_doorbell) {
1986 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1987 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1988 		} else {
1989 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1990 		}
1991 	}
1992 }
1993 
1994 static const struct amdgpu_ring_funcs vcn_v3_0_enc_ring_vm_funcs = {
1995 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1996 	.align_mask = 0x3f,
1997 	.nop = VCN_ENC_CMD_NO_OP,
1998 	.vmhub = AMDGPU_MMHUB_0,
1999 	.get_rptr = vcn_v3_0_enc_ring_get_rptr,
2000 	.get_wptr = vcn_v3_0_enc_ring_get_wptr,
2001 	.set_wptr = vcn_v3_0_enc_ring_set_wptr,
2002 	.emit_frame_size =
2003 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2004 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2005 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
2006 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
2007 		1, /* vcn_v2_0_enc_ring_insert_end */
2008 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
2009 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
2010 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
2011 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
2012 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2013 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2014 	.insert_nop = amdgpu_ring_insert_nop,
2015 	.insert_end = vcn_v2_0_enc_ring_insert_end,
2016 	.pad_ib = amdgpu_ring_generic_pad_ib,
2017 	.begin_use = amdgpu_vcn_ring_begin_use,
2018 	.end_use = amdgpu_vcn_ring_end_use,
2019 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
2020 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
2021 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2022 };
2023 
2024 static void vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2025 {
2026 	int i;
2027 
2028 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2029 		if (adev->vcn.harvest_config & (1 << i))
2030 			continue;
2031 
2032 		if (!DEC_SW_RING_ENABLED)
2033 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_ring_vm_funcs;
2034 		else
2035 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_sw_ring_vm_funcs;
2036 		adev->vcn.inst[i].ring_dec.me = i;
2037 		DRM_INFO("VCN(%d) decode%s is enabled in VM mode\n", i,
2038 			  DEC_SW_RING_ENABLED?"(Software Ring)":"");
2039 	}
2040 }
2041 
2042 static void vcn_v3_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2043 {
2044 	int i, j;
2045 
2046 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2047 		if (adev->vcn.harvest_config & (1 << i))
2048 			continue;
2049 
2050 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
2051 			adev->vcn.inst[i].ring_enc[j].funcs = &vcn_v3_0_enc_ring_vm_funcs;
2052 			adev->vcn.inst[i].ring_enc[j].me = i;
2053 		}
2054 		if (adev->vcn.num_enc_rings > 0)
2055 			DRM_INFO("VCN(%d) encode is enabled in VM mode\n", i);
2056 	}
2057 }
2058 
2059 static bool vcn_v3_0_is_idle(void *handle)
2060 {
2061 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2062 	int i, ret = 1;
2063 
2064 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2065 		if (adev->vcn.harvest_config & (1 << i))
2066 			continue;
2067 
2068 		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
2069 	}
2070 
2071 	return ret;
2072 }
2073 
2074 static int vcn_v3_0_wait_for_idle(void *handle)
2075 {
2076 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2077 	int i, ret = 0;
2078 
2079 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2080 		if (adev->vcn.harvest_config & (1 << i))
2081 			continue;
2082 
2083 		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
2084 			UVD_STATUS__IDLE);
2085 		if (ret)
2086 			return ret;
2087 	}
2088 
2089 	return ret;
2090 }
2091 
2092 static int vcn_v3_0_set_clockgating_state(void *handle,
2093 					  enum amd_clockgating_state state)
2094 {
2095 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2096 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
2097 	int i;
2098 
2099 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2100 		if (adev->vcn.harvest_config & (1 << i))
2101 			continue;
2102 
2103 		if (enable) {
2104 			if (RREG32_SOC15(VCN, i, mmUVD_STATUS) != UVD_STATUS__IDLE)
2105 				return -EBUSY;
2106 			vcn_v3_0_enable_clock_gating(adev, i);
2107 		} else {
2108 			vcn_v3_0_disable_clock_gating(adev, i);
2109 		}
2110 	}
2111 
2112 	return 0;
2113 }
2114 
2115 static int vcn_v3_0_set_powergating_state(void *handle,
2116 					  enum amd_powergating_state state)
2117 {
2118 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2119 	int ret;
2120 
2121 	/* for SRIOV, guest should not control VCN Power-gating
2122 	 * MMSCH FW should control Power-gating and clock-gating
2123 	 * guest should avoid touching CGC and PG
2124 	 */
2125 	if (amdgpu_sriov_vf(adev)) {
2126 		adev->vcn.cur_state = AMD_PG_STATE_UNGATE;
2127 		return 0;
2128 	}
2129 
2130 	if(state == adev->vcn.cur_state)
2131 		return 0;
2132 
2133 	if (state == AMD_PG_STATE_GATE)
2134 		ret = vcn_v3_0_stop(adev);
2135 	else
2136 		ret = vcn_v3_0_start(adev);
2137 
2138 	if(!ret)
2139 		adev->vcn.cur_state = state;
2140 
2141 	return ret;
2142 }
2143 
2144 static int vcn_v3_0_set_interrupt_state(struct amdgpu_device *adev,
2145 					struct amdgpu_irq_src *source,
2146 					unsigned type,
2147 					enum amdgpu_interrupt_state state)
2148 {
2149 	return 0;
2150 }
2151 
2152 static int vcn_v3_0_process_interrupt(struct amdgpu_device *adev,
2153 				      struct amdgpu_irq_src *source,
2154 				      struct amdgpu_iv_entry *entry)
2155 {
2156 	uint32_t ip_instance;
2157 
2158 	switch (entry->client_id) {
2159 	case SOC15_IH_CLIENTID_VCN:
2160 		ip_instance = 0;
2161 		break;
2162 	case SOC15_IH_CLIENTID_VCN1:
2163 		ip_instance = 1;
2164 		break;
2165 	default:
2166 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
2167 		return 0;
2168 	}
2169 
2170 	DRM_DEBUG("IH: VCN TRAP\n");
2171 
2172 	switch (entry->src_id) {
2173 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
2174 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
2175 		break;
2176 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
2177 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
2178 		break;
2179 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
2180 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
2181 		break;
2182 	default:
2183 		DRM_ERROR("Unhandled interrupt: %d %d\n",
2184 			  entry->src_id, entry->src_data[0]);
2185 		break;
2186 	}
2187 
2188 	return 0;
2189 }
2190 
2191 static const struct amdgpu_irq_src_funcs vcn_v3_0_irq_funcs = {
2192 	.set = vcn_v3_0_set_interrupt_state,
2193 	.process = vcn_v3_0_process_interrupt,
2194 };
2195 
2196 static void vcn_v3_0_set_irq_funcs(struct amdgpu_device *adev)
2197 {
2198 	int i;
2199 
2200 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2201 		if (adev->vcn.harvest_config & (1 << i))
2202 			continue;
2203 
2204 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
2205 		adev->vcn.inst[i].irq.funcs = &vcn_v3_0_irq_funcs;
2206 	}
2207 }
2208 
2209 static const struct amd_ip_funcs vcn_v3_0_ip_funcs = {
2210 	.name = "vcn_v3_0",
2211 	.early_init = vcn_v3_0_early_init,
2212 	.late_init = NULL,
2213 	.sw_init = vcn_v3_0_sw_init,
2214 	.sw_fini = vcn_v3_0_sw_fini,
2215 	.hw_init = vcn_v3_0_hw_init,
2216 	.hw_fini = vcn_v3_0_hw_fini,
2217 	.suspend = vcn_v3_0_suspend,
2218 	.resume = vcn_v3_0_resume,
2219 	.is_idle = vcn_v3_0_is_idle,
2220 	.wait_for_idle = vcn_v3_0_wait_for_idle,
2221 	.check_soft_reset = NULL,
2222 	.pre_soft_reset = NULL,
2223 	.soft_reset = NULL,
2224 	.post_soft_reset = NULL,
2225 	.set_clockgating_state = vcn_v3_0_set_clockgating_state,
2226 	.set_powergating_state = vcn_v3_0_set_powergating_state,
2227 };
2228 
2229 const struct amdgpu_ip_block_version vcn_v3_0_ip_block =
2230 {
2231 	.type = AMD_IP_BLOCK_TYPE_VCN,
2232 	.major = 3,
2233 	.minor = 0,
2234 	.rev = 0,
2235 	.funcs = &vcn_v3_0_ip_funcs,
2236 };
2237