xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c (revision 32ced09d)
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 
26 #include "amdgpu.h"
27 #include "amdgpu_vcn.h"
28 #include "amdgpu_pm.h"
29 #include "soc15.h"
30 #include "soc15d.h"
31 #include "vcn_v2_0.h"
32 #include "mmsch_v1_0.h"
33 
34 #include "vcn/vcn_2_5_offset.h"
35 #include "vcn/vcn_2_5_sh_mask.h"
36 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
37 
38 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
39 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
40 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
41 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
42 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
43 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
44 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
45 
46 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
47 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
48 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET 	0x3b5
49 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
50 
51 #define VCN25_MAX_HW_INSTANCES_ARCTURUS			2
52 
53 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev);
54 static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev);
55 static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev);
56 static int vcn_v2_5_set_powergating_state(void *handle,
57 				enum amd_powergating_state state);
58 static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
59 				int inst_idx, struct dpg_pause_state *new_state);
60 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev);
61 
62 static int amdgpu_ih_clientid_vcns[] = {
63 	SOC15_IH_CLIENTID_VCN,
64 	SOC15_IH_CLIENTID_VCN1
65 };
66 
67 /**
68  * vcn_v2_5_early_init - set function pointers
69  *
70  * @handle: amdgpu_device pointer
71  *
72  * Set ring and irq function pointers
73  */
74 static int vcn_v2_5_early_init(void *handle)
75 {
76 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
77 	if (adev->asic_type == CHIP_ARCTURUS) {
78 		u32 harvest;
79 		int i;
80 
81 		adev->vcn.num_vcn_inst = VCN25_MAX_HW_INSTANCES_ARCTURUS;
82 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
83 			harvest = RREG32_SOC15(UVD, i, mmCC_UVD_HARVESTING);
84 			if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
85 				adev->vcn.harvest_config |= 1 << i;
86 		}
87 
88 		if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
89 						 AMDGPU_VCN_HARVEST_VCN1))
90 			/* both instances are harvested, disable the block */
91 			return -ENOENT;
92 	} else
93 		adev->vcn.num_vcn_inst = 1;
94 
95 	if (amdgpu_sriov_vf(adev)) {
96 		adev->vcn.num_vcn_inst = 2;
97 		adev->vcn.harvest_config = 0;
98 		adev->vcn.num_enc_rings = 1;
99 	} else {
100 		adev->vcn.num_enc_rings = 2;
101 	}
102 
103 	vcn_v2_5_set_dec_ring_funcs(adev);
104 	vcn_v2_5_set_enc_ring_funcs(adev);
105 	vcn_v2_5_set_irq_funcs(adev);
106 
107 	return 0;
108 }
109 
110 /**
111  * vcn_v2_5_sw_init - sw init for VCN block
112  *
113  * @handle: amdgpu_device pointer
114  *
115  * Load firmware and sw initialization
116  */
117 static int vcn_v2_5_sw_init(void *handle)
118 {
119 	struct amdgpu_ring *ring;
120 	int i, j, r;
121 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
122 
123 	for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
124 		if (adev->vcn.harvest_config & (1 << j))
125 			continue;
126 		/* VCN DEC TRAP */
127 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
128 				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[j].irq);
129 		if (r)
130 			return r;
131 
132 		/* VCN ENC TRAP */
133 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
134 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
135 				i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[j].irq);
136 			if (r)
137 				return r;
138 		}
139 	}
140 
141 	r = amdgpu_vcn_sw_init(adev);
142 	if (r)
143 		return r;
144 
145 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
146 		const struct common_firmware_header *hdr;
147 		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
148 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].ucode_id = AMDGPU_UCODE_ID_VCN;
149 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].fw = adev->vcn.fw;
150 		adev->firmware.fw_size +=
151 			ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
152 
153 		if (adev->vcn.num_vcn_inst == VCN25_MAX_HW_INSTANCES_ARCTURUS) {
154 			adev->firmware.ucode[AMDGPU_UCODE_ID_VCN1].ucode_id = AMDGPU_UCODE_ID_VCN1;
155 			adev->firmware.ucode[AMDGPU_UCODE_ID_VCN1].fw = adev->vcn.fw;
156 			adev->firmware.fw_size +=
157 				ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
158 		}
159 		DRM_INFO("PSP loading VCN firmware\n");
160 	}
161 
162 	r = amdgpu_vcn_resume(adev);
163 	if (r)
164 		return r;
165 
166 	for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
167 		if (adev->vcn.harvest_config & (1 << j))
168 			continue;
169 		adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
170 		adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
171 		adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
172 		adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
173 		adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
174 		adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
175 
176 		adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
177 		adev->vcn.inst[j].external.scratch9 = SOC15_REG_OFFSET(UVD, j, mmUVD_SCRATCH9);
178 		adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
179 		adev->vcn.inst[j].external.data0 = SOC15_REG_OFFSET(UVD, j, mmUVD_GPCOM_VCPU_DATA0);
180 		adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
181 		adev->vcn.inst[j].external.data1 = SOC15_REG_OFFSET(UVD, j, mmUVD_GPCOM_VCPU_DATA1);
182 		adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
183 		adev->vcn.inst[j].external.cmd = SOC15_REG_OFFSET(UVD, j, mmUVD_GPCOM_VCPU_CMD);
184 		adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
185 		adev->vcn.inst[j].external.nop = SOC15_REG_OFFSET(UVD, j, mmUVD_NO_OP);
186 
187 		ring = &adev->vcn.inst[j].ring_dec;
188 		ring->use_doorbell = true;
189 
190 		ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
191 				(amdgpu_sriov_vf(adev) ? 2*j : 8*j);
192 		sprintf(ring->name, "vcn_dec_%d", j);
193 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq, 0);
194 		if (r)
195 			return r;
196 
197 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
198 			ring = &adev->vcn.inst[j].ring_enc[i];
199 			ring->use_doorbell = true;
200 
201 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
202 					(amdgpu_sriov_vf(adev) ? (1 + i + 2*j) : (2 + i + 8*j));
203 
204 			sprintf(ring->name, "vcn_enc_%d.%d", j, i);
205 			r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq, 0);
206 			if (r)
207 				return r;
208 		}
209 	}
210 
211 	if (amdgpu_sriov_vf(adev)) {
212 		r = amdgpu_virt_alloc_mm_table(adev);
213 		if (r)
214 			return r;
215 	}
216 
217 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
218 		adev->vcn.pause_dpg_mode = vcn_v2_5_pause_dpg_mode;
219 
220 	return 0;
221 }
222 
223 /**
224  * vcn_v2_5_sw_fini - sw fini for VCN block
225  *
226  * @handle: amdgpu_device pointer
227  *
228  * VCN suspend and free up sw allocation
229  */
230 static int vcn_v2_5_sw_fini(void *handle)
231 {
232 	int r;
233 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
234 
235 	if (amdgpu_sriov_vf(adev))
236 		amdgpu_virt_free_mm_table(adev);
237 
238 	r = amdgpu_vcn_suspend(adev);
239 	if (r)
240 		return r;
241 
242 	r = amdgpu_vcn_sw_fini(adev);
243 
244 	return r;
245 }
246 
247 /**
248  * vcn_v2_5_hw_init - start and test VCN block
249  *
250  * @handle: amdgpu_device pointer
251  *
252  * Initialize the hardware, boot up the VCPU and do some testing
253  */
254 static int vcn_v2_5_hw_init(void *handle)
255 {
256 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
257 	struct amdgpu_ring *ring;
258 	int i, j, r = 0;
259 
260 	if (amdgpu_sriov_vf(adev))
261 		r = vcn_v2_5_sriov_start(adev);
262 
263 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
264 		if (adev->vcn.harvest_config & (1 << j))
265 			continue;
266 
267 		if (amdgpu_sriov_vf(adev)) {
268 			adev->vcn.inst[j].ring_enc[0].sched.ready = true;
269 			adev->vcn.inst[j].ring_enc[1].sched.ready = false;
270 			adev->vcn.inst[j].ring_enc[2].sched.ready = false;
271 			adev->vcn.inst[j].ring_dec.sched.ready = true;
272 		} else {
273 
274 			ring = &adev->vcn.inst[j].ring_dec;
275 
276 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
277 						     ring->doorbell_index, j);
278 
279 			r = amdgpu_ring_test_helper(ring);
280 			if (r)
281 				goto done;
282 
283 			for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
284 				ring = &adev->vcn.inst[j].ring_enc[i];
285 				r = amdgpu_ring_test_helper(ring);
286 				if (r)
287 					goto done;
288 			}
289 		}
290 	}
291 
292 done:
293 	if (!r)
294 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
295 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
296 
297 	return r;
298 }
299 
300 /**
301  * vcn_v2_5_hw_fini - stop the hardware block
302  *
303  * @handle: amdgpu_device pointer
304  *
305  * Stop the VCN block, mark ring as not ready any more
306  */
307 static int vcn_v2_5_hw_fini(void *handle)
308 {
309 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
310 	struct amdgpu_ring *ring;
311 	int i, j;
312 
313 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
314 		if (adev->vcn.harvest_config & (1 << i))
315 			continue;
316 		ring = &adev->vcn.inst[i].ring_dec;
317 
318 		if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
319 		    (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
320 		     RREG32_SOC15(VCN, i, mmUVD_STATUS)))
321 			vcn_v2_5_set_powergating_state(adev, AMD_PG_STATE_GATE);
322 
323 		ring->sched.ready = false;
324 
325 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
326 			ring = &adev->vcn.inst[i].ring_enc[j];
327 			ring->sched.ready = false;
328 		}
329 	}
330 
331 	return 0;
332 }
333 
334 /**
335  * vcn_v2_5_suspend - suspend VCN block
336  *
337  * @handle: amdgpu_device pointer
338  *
339  * HW fini and suspend VCN block
340  */
341 static int vcn_v2_5_suspend(void *handle)
342 {
343 	int r;
344 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
345 
346 	r = vcn_v2_5_hw_fini(adev);
347 	if (r)
348 		return r;
349 
350 	r = amdgpu_vcn_suspend(adev);
351 
352 	return r;
353 }
354 
355 /**
356  * vcn_v2_5_resume - resume VCN block
357  *
358  * @handle: amdgpu_device pointer
359  *
360  * Resume firmware and hw init VCN block
361  */
362 static int vcn_v2_5_resume(void *handle)
363 {
364 	int r;
365 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
366 
367 	r = amdgpu_vcn_resume(adev);
368 	if (r)
369 		return r;
370 
371 	r = vcn_v2_5_hw_init(adev);
372 
373 	return r;
374 }
375 
376 /**
377  * vcn_v2_5_mc_resume - memory controller programming
378  *
379  * @adev: amdgpu_device pointer
380  *
381  * Let the VCN memory controller know it's offsets
382  */
383 static void vcn_v2_5_mc_resume(struct amdgpu_device *adev)
384 {
385 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
386 	uint32_t offset;
387 	int i;
388 
389 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
390 		if (adev->vcn.harvest_config & (1 << i))
391 			continue;
392 		/* cache window 0: fw */
393 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
394 			WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
395 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo));
396 			WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
397 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi));
398 			WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET0, 0);
399 			offset = 0;
400 		} else {
401 			WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
402 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
403 			WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
404 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
405 			offset = size;
406 			WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET0,
407 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
408 		}
409 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_SIZE0, size);
410 
411 		/* cache window 1: stack */
412 		WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
413 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
414 		WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
415 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
416 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET1, 0);
417 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
418 
419 		/* cache window 2: context */
420 		WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
421 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
422 		WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
423 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
424 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET2, 0);
425 		WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
426 	}
427 }
428 
429 static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
430 {
431 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
432 	uint32_t offset;
433 
434 	/* cache window 0: fw */
435 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
436 		if (!indirect) {
437 			WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
438 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
439 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
440 			WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
441 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
442 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
443 			WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
444 				UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
445 		} else {
446 			WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
447 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
448 			WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
449 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
450 			WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
451 				UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
452 		}
453 		offset = 0;
454 	} else {
455 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
456 			UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
457 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
458 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
459 			UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
460 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
461 		offset = size;
462 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
463 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET0),
464 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
465 	}
466 
467 	if (!indirect)
468 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
469 			UVD, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
470 	else
471 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
472 			UVD, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
473 
474 	/* cache window 1: stack */
475 	if (!indirect) {
476 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
477 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
478 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
479 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
480 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
481 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
482 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
483 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
484 	} else {
485 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
486 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
487 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
488 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
489 		WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
490 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
491 	}
492 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
493 		UVD, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
494 
495 	/* cache window 2: context */
496 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
497 		UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
498 		lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
499 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
500 		UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
501 		upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
502 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
503 		UVD, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
504 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
505 		UVD, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
506 
507 	/* non-cache window */
508 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
509 		UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW), 0, 0, indirect);
510 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
511 		UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH), 0, 0, indirect);
512 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
513 		UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
514 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
515 		UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0), 0, 0, indirect);
516 
517 	/* VCN global tiling registers */
518 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
519 		UVD, 0, mmUVD_GFX8_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
520 }
521 
522 /**
523  * vcn_v2_5_disable_clock_gating - disable VCN clock gating
524  *
525  * @adev: amdgpu_device pointer
526  *
527  * Disable clock gating for VCN block
528  */
529 static void vcn_v2_5_disable_clock_gating(struct amdgpu_device *adev)
530 {
531 	uint32_t data;
532 	int ret = 0;
533 	int i;
534 
535 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
536 		if (adev->vcn.harvest_config & (1 << i))
537 			continue;
538 		/* UVD disable CGC */
539 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
540 		if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
541 			data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
542 		else
543 			data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
544 		data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
545 		data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
546 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
547 
548 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_GATE);
549 		data &= ~(UVD_CGC_GATE__SYS_MASK
550 			| UVD_CGC_GATE__UDEC_MASK
551 			| UVD_CGC_GATE__MPEG2_MASK
552 			| UVD_CGC_GATE__REGS_MASK
553 			| UVD_CGC_GATE__RBC_MASK
554 			| UVD_CGC_GATE__LMI_MC_MASK
555 			| UVD_CGC_GATE__LMI_UMC_MASK
556 			| UVD_CGC_GATE__IDCT_MASK
557 			| UVD_CGC_GATE__MPRD_MASK
558 			| UVD_CGC_GATE__MPC_MASK
559 			| UVD_CGC_GATE__LBSI_MASK
560 			| UVD_CGC_GATE__LRBBM_MASK
561 			| UVD_CGC_GATE__UDEC_RE_MASK
562 			| UVD_CGC_GATE__UDEC_CM_MASK
563 			| UVD_CGC_GATE__UDEC_IT_MASK
564 			| UVD_CGC_GATE__UDEC_DB_MASK
565 			| UVD_CGC_GATE__UDEC_MP_MASK
566 			| UVD_CGC_GATE__WCB_MASK
567 			| UVD_CGC_GATE__VCPU_MASK
568 			| UVD_CGC_GATE__MMSCH_MASK);
569 
570 		WREG32_SOC15(VCN, i, mmUVD_CGC_GATE, data);
571 
572 		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_CGC_GATE, 0,  0xFFFFFFFF, ret);
573 
574 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
575 		data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
576 			| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
577 			| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
578 			| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
579 			| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
580 			| UVD_CGC_CTRL__SYS_MODE_MASK
581 			| UVD_CGC_CTRL__UDEC_MODE_MASK
582 			| UVD_CGC_CTRL__MPEG2_MODE_MASK
583 			| UVD_CGC_CTRL__REGS_MODE_MASK
584 			| UVD_CGC_CTRL__RBC_MODE_MASK
585 			| UVD_CGC_CTRL__LMI_MC_MODE_MASK
586 			| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
587 			| UVD_CGC_CTRL__IDCT_MODE_MASK
588 			| UVD_CGC_CTRL__MPRD_MODE_MASK
589 			| UVD_CGC_CTRL__MPC_MODE_MASK
590 			| UVD_CGC_CTRL__LBSI_MODE_MASK
591 			| UVD_CGC_CTRL__LRBBM_MODE_MASK
592 			| UVD_CGC_CTRL__WCB_MODE_MASK
593 			| UVD_CGC_CTRL__VCPU_MODE_MASK
594 			| UVD_CGC_CTRL__MMSCH_MODE_MASK);
595 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
596 
597 		/* turn on */
598 		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE);
599 		data |= (UVD_SUVD_CGC_GATE__SRE_MASK
600 			| UVD_SUVD_CGC_GATE__SIT_MASK
601 			| UVD_SUVD_CGC_GATE__SMP_MASK
602 			| UVD_SUVD_CGC_GATE__SCM_MASK
603 			| UVD_SUVD_CGC_GATE__SDB_MASK
604 			| UVD_SUVD_CGC_GATE__SRE_H264_MASK
605 			| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
606 			| UVD_SUVD_CGC_GATE__SIT_H264_MASK
607 			| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
608 			| UVD_SUVD_CGC_GATE__SCM_H264_MASK
609 			| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
610 			| UVD_SUVD_CGC_GATE__SDB_H264_MASK
611 			| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
612 			| UVD_SUVD_CGC_GATE__SCLR_MASK
613 			| UVD_SUVD_CGC_GATE__UVD_SC_MASK
614 			| UVD_SUVD_CGC_GATE__ENT_MASK
615 			| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
616 			| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
617 			| UVD_SUVD_CGC_GATE__SITE_MASK
618 			| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
619 			| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
620 			| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
621 			| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
622 			| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
623 		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE, data);
624 
625 		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
626 		data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
627 			| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
628 			| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
629 			| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
630 			| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
631 			| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
632 			| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
633 			| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
634 			| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
635 			| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
636 		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
637 	}
638 }
639 
640 static void vcn_v2_5_clock_gating_dpg_mode(struct amdgpu_device *adev,
641 		uint8_t sram_sel, int inst_idx, uint8_t indirect)
642 {
643 	uint32_t reg_data = 0;
644 
645 	/* enable sw clock gating control */
646 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
647 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
648 	else
649 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
650 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
651 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
652 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
653 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
654 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
655 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
656 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
657 		 UVD_CGC_CTRL__SYS_MODE_MASK |
658 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
659 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
660 		 UVD_CGC_CTRL__REGS_MODE_MASK |
661 		 UVD_CGC_CTRL__RBC_MODE_MASK |
662 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
663 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
664 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
665 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
666 		 UVD_CGC_CTRL__MPC_MODE_MASK |
667 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
668 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
669 		 UVD_CGC_CTRL__WCB_MODE_MASK |
670 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
671 		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
672 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
673 		UVD, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
674 
675 	/* turn off clock gating */
676 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
677 		UVD, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
678 
679 	/* turn on SUVD clock gating */
680 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
681 		UVD, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
682 
683 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
684 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
685 		UVD, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
686 }
687 
688 /**
689  * vcn_v2_5_enable_clock_gating - enable VCN clock gating
690  *
691  * @adev: amdgpu_device pointer
692  *
693  * Enable clock gating for VCN block
694  */
695 static void vcn_v2_5_enable_clock_gating(struct amdgpu_device *adev)
696 {
697 	uint32_t data = 0;
698 	int i;
699 
700 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
701 		if (adev->vcn.harvest_config & (1 << i))
702 			continue;
703 		/* enable UVD CGC */
704 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
705 		if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
706 			data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
707 		else
708 			data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
709 		data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
710 		data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
711 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
712 
713 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
714 		data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
715 			| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
716 			| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
717 			| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
718 			| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
719 			| UVD_CGC_CTRL__SYS_MODE_MASK
720 			| UVD_CGC_CTRL__UDEC_MODE_MASK
721 			| UVD_CGC_CTRL__MPEG2_MODE_MASK
722 			| UVD_CGC_CTRL__REGS_MODE_MASK
723 			| UVD_CGC_CTRL__RBC_MODE_MASK
724 			| UVD_CGC_CTRL__LMI_MC_MODE_MASK
725 			| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
726 			| UVD_CGC_CTRL__IDCT_MODE_MASK
727 			| UVD_CGC_CTRL__MPRD_MODE_MASK
728 			| UVD_CGC_CTRL__MPC_MODE_MASK
729 			| UVD_CGC_CTRL__LBSI_MODE_MASK
730 			| UVD_CGC_CTRL__LRBBM_MODE_MASK
731 			| UVD_CGC_CTRL__WCB_MODE_MASK
732 			| UVD_CGC_CTRL__VCPU_MODE_MASK);
733 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
734 
735 		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
736 		data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
737 			| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
738 			| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
739 			| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
740 			| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
741 			| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
742 			| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
743 			| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
744 			| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
745 			| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
746 		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
747 	}
748 }
749 
750 static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
751 {
752 	struct amdgpu_ring *ring;
753 	uint32_t rb_bufsz, tmp;
754 
755 	/* disable register anti-hang mechanism */
756 	WREG32_P(SOC15_REG_OFFSET(UVD, inst_idx, mmUVD_POWER_STATUS), 1,
757 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
758 	/* enable dynamic power gating mode */
759 	tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_POWER_STATUS);
760 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
761 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
762 	WREG32_SOC15(UVD, inst_idx, mmUVD_POWER_STATUS, tmp);
763 
764 	if (indirect)
765 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t*)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
766 
767 	/* enable clock gating */
768 	vcn_v2_5_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
769 
770 	/* enable VCPU clock */
771 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
772 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
773 	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
774 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
775 		UVD, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
776 
777 	/* disable master interupt */
778 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
779 		UVD, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
780 
781 	/* setup mmUVD_LMI_CTRL */
782 	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
783 		UVD_LMI_CTRL__REQ_MODE_MASK |
784 		UVD_LMI_CTRL__CRC_RESET_MASK |
785 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
786 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
787 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
788 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
789 		0x00100000L);
790 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
791 		UVD, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
792 
793 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
794 		UVD, 0, mmUVD_MPC_CNTL),
795 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
796 
797 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
798 		UVD, 0, mmUVD_MPC_SET_MUXA0),
799 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
800 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
801 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
802 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
803 
804 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
805 		UVD, 0, mmUVD_MPC_SET_MUXB0),
806 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
807 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
808 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
809 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
810 
811 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
812 		UVD, 0, mmUVD_MPC_SET_MUX),
813 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
814 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
815 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
816 
817 	vcn_v2_5_mc_resume_dpg_mode(adev, inst_idx, indirect);
818 
819 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
820 		UVD, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
821 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
822 		UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
823 
824 	/* enable LMI MC and UMC channels */
825 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
826 		UVD, 0, mmUVD_LMI_CTRL2), 0, 0, indirect);
827 
828 	/* unblock VCPU register access */
829 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
830 		UVD, 0, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
831 
832 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
833 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
834 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
835 		UVD, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
836 
837 	/* enable master interrupt */
838 	WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
839 		UVD, 0, mmUVD_MASTINT_EN),
840 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
841 
842 	if (indirect)
843 		psp_update_vcn_sram(adev, inst_idx, adev->vcn.inst[inst_idx].dpg_sram_gpu_addr,
844 				    (uint32_t)((uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_curr_addr -
845 					       (uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr));
846 
847 	ring = &adev->vcn.inst[inst_idx].ring_dec;
848 	/* force RBC into idle state */
849 	rb_bufsz = order_base_2(ring->ring_size);
850 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
851 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
852 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
853 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
854 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
855 	WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
856 
857 	/* set the write pointer delay */
858 	WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
859 
860 	/* set the wb address */
861 	WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
862 		(upper_32_bits(ring->gpu_addr) >> 2));
863 
864 	/* programm the RB_BASE for ring buffer */
865 	WREG32_SOC15(UVD, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
866 		lower_32_bits(ring->gpu_addr));
867 	WREG32_SOC15(UVD, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
868 		upper_32_bits(ring->gpu_addr));
869 
870 	/* Initialize the ring buffer's read and write pointers */
871 	WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_RPTR, 0);
872 
873 	WREG32_SOC15(UVD, inst_idx, mmUVD_SCRATCH2, 0);
874 
875 	ring->wptr = RREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_RPTR);
876 	WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR,
877 		lower_32_bits(ring->wptr));
878 
879 	return 0;
880 }
881 
882 static int vcn_v2_5_start(struct amdgpu_device *adev)
883 {
884 	struct amdgpu_ring *ring;
885 	uint32_t rb_bufsz, tmp;
886 	int i, j, k, r;
887 
888 	if (adev->pm.dpm_enabled)
889 		amdgpu_dpm_enable_uvd(adev, true);
890 
891 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
892 		if (adev->vcn.harvest_config & (1 << i))
893 			continue;
894 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
895 			r = vcn_v2_5_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
896 			continue;
897 		}
898 
899 		/* disable register anti-hang mechanism */
900 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_POWER_STATUS), 0,
901 			~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
902 
903 		/* set uvd status busy */
904 		tmp = RREG32_SOC15(UVD, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
905 		WREG32_SOC15(UVD, i, mmUVD_STATUS, tmp);
906 	}
907 
908 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
909 		return 0;
910 
911 	/*SW clock gating */
912 	vcn_v2_5_disable_clock_gating(adev);
913 
914 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
915 		if (adev->vcn.harvest_config & (1 << i))
916 			continue;
917 		/* enable VCPU clock */
918 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL),
919 			UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
920 
921 		/* disable master interrupt */
922 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_MASTINT_EN), 0,
923 			~UVD_MASTINT_EN__VCPU_EN_MASK);
924 
925 		/* setup mmUVD_LMI_CTRL */
926 		tmp = RREG32_SOC15(UVD, i, mmUVD_LMI_CTRL);
927 		tmp &= ~0xff;
928 		WREG32_SOC15(UVD, i, mmUVD_LMI_CTRL, tmp | 0x8|
929 			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
930 			UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
931 			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
932 			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
933 
934 		/* setup mmUVD_MPC_CNTL */
935 		tmp = RREG32_SOC15(UVD, i, mmUVD_MPC_CNTL);
936 		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
937 		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
938 		WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
939 
940 		/* setup UVD_MPC_SET_MUXA0 */
941 		WREG32_SOC15(UVD, i, mmUVD_MPC_SET_MUXA0,
942 			((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
943 			(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
944 			(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
945 			(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
946 
947 		/* setup UVD_MPC_SET_MUXB0 */
948 		WREG32_SOC15(UVD, i, mmUVD_MPC_SET_MUXB0,
949 			((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
950 			(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
951 			(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
952 			(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
953 
954 		/* setup mmUVD_MPC_SET_MUX */
955 		WREG32_SOC15(UVD, i, mmUVD_MPC_SET_MUX,
956 			((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
957 			(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
958 			(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
959 	}
960 
961 	vcn_v2_5_mc_resume(adev);
962 
963 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
964 		if (adev->vcn.harvest_config & (1 << i))
965 			continue;
966 		/* VCN global tiling registers */
967 		WREG32_SOC15(UVD, i, mmUVD_GFX8_ADDR_CONFIG,
968 			adev->gfx.config.gb_addr_config);
969 		WREG32_SOC15(UVD, i, mmUVD_GFX8_ADDR_CONFIG,
970 			adev->gfx.config.gb_addr_config);
971 
972 		/* enable LMI MC and UMC channels */
973 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_CTRL2), 0,
974 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
975 
976 		/* unblock VCPU register access */
977 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_RB_ARB_CTRL), 0,
978 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
979 
980 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL), 0,
981 			~UVD_VCPU_CNTL__BLK_RST_MASK);
982 
983 		for (k = 0; k < 10; ++k) {
984 			uint32_t status;
985 
986 			for (j = 0; j < 100; ++j) {
987 				status = RREG32_SOC15(UVD, i, mmUVD_STATUS);
988 				if (status & 2)
989 					break;
990 				if (amdgpu_emu_mode == 1)
991 					msleep(500);
992 				else
993 					mdelay(10);
994 			}
995 			r = 0;
996 			if (status & 2)
997 				break;
998 
999 			DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
1000 			WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL),
1001 				UVD_VCPU_CNTL__BLK_RST_MASK,
1002 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1003 			mdelay(10);
1004 			WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL), 0,
1005 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1006 
1007 			mdelay(10);
1008 			r = -1;
1009 		}
1010 
1011 		if (r) {
1012 			DRM_ERROR("VCN decode not responding, giving up!!!\n");
1013 			return r;
1014 		}
1015 
1016 		/* enable master interrupt */
1017 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_MASTINT_EN),
1018 			UVD_MASTINT_EN__VCPU_EN_MASK,
1019 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1020 
1021 		/* clear the busy bit of VCN_STATUS */
1022 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS), 0,
1023 			~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1024 
1025 		WREG32_SOC15(UVD, i, mmUVD_LMI_RBC_RB_VMID, 0);
1026 
1027 		ring = &adev->vcn.inst[i].ring_dec;
1028 		/* force RBC into idle state */
1029 		rb_bufsz = order_base_2(ring->ring_size);
1030 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1031 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1032 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1033 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1034 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1035 		WREG32_SOC15(UVD, i, mmUVD_RBC_RB_CNTL, tmp);
1036 
1037 		/* programm the RB_BASE for ring buffer */
1038 		WREG32_SOC15(UVD, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1039 			lower_32_bits(ring->gpu_addr));
1040 		WREG32_SOC15(UVD, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1041 			upper_32_bits(ring->gpu_addr));
1042 
1043 		/* Initialize the ring buffer's read and write pointers */
1044 		WREG32_SOC15(UVD, i, mmUVD_RBC_RB_RPTR, 0);
1045 
1046 		ring->wptr = RREG32_SOC15(UVD, i, mmUVD_RBC_RB_RPTR);
1047 		WREG32_SOC15(UVD, i, mmUVD_RBC_RB_WPTR,
1048 				lower_32_bits(ring->wptr));
1049 		ring = &adev->vcn.inst[i].ring_enc[0];
1050 		WREG32_SOC15(UVD, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1051 		WREG32_SOC15(UVD, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1052 		WREG32_SOC15(UVD, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
1053 		WREG32_SOC15(UVD, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1054 		WREG32_SOC15(UVD, i, mmUVD_RB_SIZE, ring->ring_size / 4);
1055 
1056 		ring = &adev->vcn.inst[i].ring_enc[1];
1057 		WREG32_SOC15(UVD, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1058 		WREG32_SOC15(UVD, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1059 		WREG32_SOC15(UVD, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1060 		WREG32_SOC15(UVD, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1061 		WREG32_SOC15(UVD, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
1062 	}
1063 
1064 	return 0;
1065 }
1066 
1067 static int vcn_v2_5_mmsch_start(struct amdgpu_device *adev,
1068 				struct amdgpu_mm_table *table)
1069 {
1070 	uint32_t data = 0, loop = 0, size = 0;
1071 	uint64_t addr = table->gpu_addr;
1072 	struct mmsch_v1_1_init_header *header = NULL;;
1073 
1074 	header = (struct mmsch_v1_1_init_header *)table->cpu_addr;
1075 	size = header->total_size;
1076 
1077 	/*
1078 	 * 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of
1079 	 *  memory descriptor location
1080 	 */
1081 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
1082 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
1083 
1084 	/* 2, update vmid of descriptor */
1085 	data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID);
1086 	data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1087 	/* use domain0 for MM scheduler */
1088 	data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1089 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID, data);
1090 
1091 	/* 3, notify mmsch about the size of this descriptor */
1092 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_SIZE, size);
1093 
1094 	/* 4, set resp to zero */
1095 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1096 
1097 	/*
1098 	 * 5, kick off the initialization and wait until
1099 	 * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
1100 	 */
1101 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
1102 
1103 	data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
1104 	loop = 10;
1105 	while ((data & 0x10000002) != 0x10000002) {
1106 		udelay(100);
1107 		data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
1108 		loop--;
1109 		if (!loop)
1110 			break;
1111 	}
1112 
1113 	if (!loop) {
1114 		dev_err(adev->dev,
1115 			"failed to init MMSCH, mmMMSCH_VF_MAILBOX_RESP = %x\n",
1116 			data);
1117 		return -EBUSY;
1118 	}
1119 
1120 	return 0;
1121 }
1122 
1123 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
1124 {
1125 	struct amdgpu_ring *ring;
1126 	uint32_t offset, size, tmp, i, rb_bufsz;
1127 	uint32_t table_size = 0;
1128 	struct mmsch_v1_0_cmd_direct_write direct_wt = { { 0 } };
1129 	struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { { 0 } };
1130 	struct mmsch_v1_0_cmd_direct_polling direct_poll = { { 0 } };
1131 	struct mmsch_v1_0_cmd_end end = { { 0 } };
1132 	uint32_t *init_table = adev->virt.mm_table.cpu_addr;
1133 	struct mmsch_v1_1_init_header *header = (struct mmsch_v1_1_init_header *)init_table;
1134 
1135 	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
1136 	direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1137 	direct_poll.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_POLLING;
1138 	end.cmd_header.command_type = MMSCH_COMMAND__END;
1139 
1140 	header->version = MMSCH_VERSION;
1141 	header->total_size = sizeof(struct mmsch_v1_1_init_header) >> 2;
1142 	init_table += header->total_size;
1143 
1144 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1145 		header->eng[i].table_offset = header->total_size;
1146 		header->eng[i].init_status = 0;
1147 		header->eng[i].table_size = 0;
1148 
1149 		table_size = 0;
1150 
1151 		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(
1152 			SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS),
1153 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1154 
1155 		size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
1156 		/* mc resume*/
1157 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1158 			MMSCH_V1_0_INSERT_DIRECT_WT(
1159 				SOC15_REG_OFFSET(UVD, i,
1160 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1161 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
1162 			MMSCH_V1_0_INSERT_DIRECT_WT(
1163 				SOC15_REG_OFFSET(UVD, i,
1164 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1165 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
1166 			offset = 0;
1167 			MMSCH_V1_0_INSERT_DIRECT_WT(
1168 				SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET0), 0);
1169 		} else {
1170 			MMSCH_V1_0_INSERT_DIRECT_WT(
1171 				SOC15_REG_OFFSET(UVD, i,
1172 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1173 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1174 			MMSCH_V1_0_INSERT_DIRECT_WT(
1175 				SOC15_REG_OFFSET(UVD, i,
1176 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1177 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1178 			offset = size;
1179 			MMSCH_V1_0_INSERT_DIRECT_WT(
1180 				SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET0),
1181 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1182 		}
1183 
1184 		MMSCH_V1_0_INSERT_DIRECT_WT(
1185 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE0),
1186 			size);
1187 		MMSCH_V1_0_INSERT_DIRECT_WT(
1188 			SOC15_REG_OFFSET(UVD, i,
1189 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1190 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
1191 		MMSCH_V1_0_INSERT_DIRECT_WT(
1192 			SOC15_REG_OFFSET(UVD, i,
1193 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1194 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
1195 		MMSCH_V1_0_INSERT_DIRECT_WT(
1196 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET1),
1197 			0);
1198 		MMSCH_V1_0_INSERT_DIRECT_WT(
1199 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE1),
1200 			AMDGPU_VCN_STACK_SIZE);
1201 		MMSCH_V1_0_INSERT_DIRECT_WT(
1202 			SOC15_REG_OFFSET(UVD, i,
1203 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1204 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset +
1205 				AMDGPU_VCN_STACK_SIZE));
1206 		MMSCH_V1_0_INSERT_DIRECT_WT(
1207 			SOC15_REG_OFFSET(UVD, i,
1208 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1209 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset +
1210 				AMDGPU_VCN_STACK_SIZE));
1211 		MMSCH_V1_0_INSERT_DIRECT_WT(
1212 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET2),
1213 			0);
1214 		MMSCH_V1_0_INSERT_DIRECT_WT(
1215 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE2),
1216 			AMDGPU_VCN_CONTEXT_SIZE);
1217 
1218 		ring = &adev->vcn.inst[i].ring_enc[0];
1219 		ring->wptr = 0;
1220 
1221 		MMSCH_V1_0_INSERT_DIRECT_WT(
1222 			SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_LO),
1223 			lower_32_bits(ring->gpu_addr));
1224 		MMSCH_V1_0_INSERT_DIRECT_WT(
1225 			SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_HI),
1226 			upper_32_bits(ring->gpu_addr));
1227 		MMSCH_V1_0_INSERT_DIRECT_WT(
1228 			SOC15_REG_OFFSET(UVD, i, mmUVD_RB_SIZE),
1229 			ring->ring_size / 4);
1230 
1231 		ring = &adev->vcn.inst[i].ring_dec;
1232 		ring->wptr = 0;
1233 		MMSCH_V1_0_INSERT_DIRECT_WT(
1234 			SOC15_REG_OFFSET(UVD, i,
1235 				mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1236 			lower_32_bits(ring->gpu_addr));
1237 		MMSCH_V1_0_INSERT_DIRECT_WT(
1238 			SOC15_REG_OFFSET(UVD, i,
1239 				mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1240 			upper_32_bits(ring->gpu_addr));
1241 
1242 		/* force RBC into idle state */
1243 		rb_bufsz = order_base_2(ring->ring_size);
1244 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1245 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1246 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1247 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1248 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1249 		MMSCH_V1_0_INSERT_DIRECT_WT(
1250 			SOC15_REG_OFFSET(UVD, i, mmUVD_RBC_RB_CNTL), tmp);
1251 
1252 		/* add end packet */
1253 		memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end));
1254 		table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4;
1255 		init_table += sizeof(struct mmsch_v1_0_cmd_end) / 4;
1256 
1257 		/* refine header */
1258 		header->eng[i].table_size = table_size;
1259 		header->total_size += table_size;
1260 	}
1261 
1262 	return vcn_v2_5_mmsch_start(adev, &adev->virt.mm_table);
1263 }
1264 
1265 static int vcn_v2_5_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
1266 {
1267 	int ret_code = 0;
1268 	uint32_t tmp;
1269 
1270 	/* Wait for power status to be 1 */
1271 	SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 1,
1272 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
1273 
1274 	/* wait for read ptr to be equal to write ptr */
1275 	tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_RB_WPTR);
1276 	SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
1277 
1278 	tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_RB_WPTR2);
1279 	SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF, ret_code);
1280 
1281 	tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1282 	SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
1283 
1284 	SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 1,
1285 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
1286 
1287 	/* disable dynamic power gating mode */
1288 	WREG32_P(SOC15_REG_OFFSET(UVD, inst_idx, mmUVD_POWER_STATUS), 0,
1289 			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1290 
1291 	return 0;
1292 }
1293 
1294 static int vcn_v2_5_stop(struct amdgpu_device *adev)
1295 {
1296 	uint32_t tmp;
1297 	int i, r = 0;
1298 
1299 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1300 		if (adev->vcn.harvest_config & (1 << i))
1301 			continue;
1302 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1303 			r = vcn_v2_5_stop_dpg_mode(adev, i);
1304 			continue;
1305 		}
1306 
1307 		/* wait for vcn idle */
1308 		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7, r);
1309 		if (r)
1310 			return r;
1311 
1312 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1313 			UVD_LMI_STATUS__READ_CLEAN_MASK |
1314 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1315 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1316 		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp, r);
1317 		if (r)
1318 			return r;
1319 
1320 		/* block LMI UMC channel */
1321 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
1322 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1323 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
1324 
1325 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1326 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1327 		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp, r);
1328 		if (r)
1329 			return r;
1330 
1331 		/* block VCPU register access */
1332 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_RB_ARB_CTRL),
1333 			UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1334 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1335 
1336 		/* reset VCPU */
1337 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL),
1338 			UVD_VCPU_CNTL__BLK_RST_MASK,
1339 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1340 
1341 		/* disable VCPU clock */
1342 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL), 0,
1343 			~(UVD_VCPU_CNTL__CLK_EN_MASK));
1344 
1345 		/* clear status */
1346 		WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
1347 
1348 		vcn_v2_5_enable_clock_gating(adev);
1349 
1350 		/* enable register anti-hang mechanism */
1351 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_POWER_STATUS),
1352 			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK,
1353 			~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1354 	}
1355 
1356 	if (adev->pm.dpm_enabled)
1357 		amdgpu_dpm_enable_uvd(adev, false);
1358 
1359 	return 0;
1360 }
1361 
1362 static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
1363 				int inst_idx, struct dpg_pause_state *new_state)
1364 {
1365 	struct amdgpu_ring *ring;
1366 	uint32_t reg_data = 0;
1367 	int ret_code;
1368 
1369 	/* pause/unpause if state is changed */
1370 	if (adev->vcn.pause_state.fw_based != new_state->fw_based) {
1371 		DRM_DEBUG("dpg pause state changed %d -> %d",
1372 			adev->vcn.pause_state.fw_based,	new_state->fw_based);
1373 		reg_data = RREG32_SOC15(UVD, inst_idx, mmUVD_DPG_PAUSE) &
1374 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1375 
1376 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1377 			ret_code = 0;
1378 			SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 0x1,
1379 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
1380 
1381 			if (!ret_code) {
1382 				/* pause DPG */
1383 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1384 				WREG32_SOC15(UVD, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1385 
1386 				/* wait for ACK */
1387 				SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_DPG_PAUSE,
1388 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1389 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK, ret_code);
1390 
1391 				/* Restore */
1392 				ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1393 				WREG32_SOC15(UVD, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
1394 				WREG32_SOC15(UVD, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1395 				WREG32_SOC15(UVD, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
1396 				WREG32_SOC15(UVD, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1397 				WREG32_SOC15(UVD, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1398 
1399 				ring = &adev->vcn.inst[inst_idx].ring_enc[1];
1400 				WREG32_SOC15(UVD, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1401 				WREG32_SOC15(UVD, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1402 				WREG32_SOC15(UVD, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
1403 				WREG32_SOC15(UVD, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1404 				WREG32_SOC15(UVD, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1405 
1406 				WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR,
1407 					   RREG32_SOC15(UVD, inst_idx, mmUVD_SCRATCH2) & 0x7FFFFFFF);
1408 
1409 				SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS,
1410 					   0x0, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
1411 			}
1412 		} else {
1413 			/* unpause dpg, no need to wait */
1414 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1415 			WREG32_SOC15(UVD, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1416 		}
1417 		adev->vcn.pause_state.fw_based = new_state->fw_based;
1418 	}
1419 
1420 	return 0;
1421 }
1422 
1423 /**
1424  * vcn_v2_5_dec_ring_get_rptr - get read pointer
1425  *
1426  * @ring: amdgpu_ring pointer
1427  *
1428  * Returns the current hardware read pointer
1429  */
1430 static uint64_t vcn_v2_5_dec_ring_get_rptr(struct amdgpu_ring *ring)
1431 {
1432 	struct amdgpu_device *adev = ring->adev;
1433 
1434 	return RREG32_SOC15(UVD, ring->me, mmUVD_RBC_RB_RPTR);
1435 }
1436 
1437 /**
1438  * vcn_v2_5_dec_ring_get_wptr - get write pointer
1439  *
1440  * @ring: amdgpu_ring pointer
1441  *
1442  * Returns the current hardware write pointer
1443  */
1444 static uint64_t vcn_v2_5_dec_ring_get_wptr(struct amdgpu_ring *ring)
1445 {
1446 	struct amdgpu_device *adev = ring->adev;
1447 
1448 	if (ring->use_doorbell)
1449 		return adev->wb.wb[ring->wptr_offs];
1450 	else
1451 		return RREG32_SOC15(UVD, ring->me, mmUVD_RBC_RB_WPTR);
1452 }
1453 
1454 /**
1455  * vcn_v2_5_dec_ring_set_wptr - set write pointer
1456  *
1457  * @ring: amdgpu_ring pointer
1458  *
1459  * Commits the write pointer to the hardware
1460  */
1461 static void vcn_v2_5_dec_ring_set_wptr(struct amdgpu_ring *ring)
1462 {
1463 	struct amdgpu_device *adev = ring->adev;
1464 
1465 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1466 		WREG32_SOC15(UVD, ring->me, mmUVD_SCRATCH2,
1467 			lower_32_bits(ring->wptr) | 0x80000000);
1468 
1469 	if (ring->use_doorbell) {
1470 		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1471 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1472 	} else {
1473 		WREG32_SOC15(UVD, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1474 	}
1475 }
1476 
1477 static const struct amdgpu_ring_funcs vcn_v2_5_dec_ring_vm_funcs = {
1478 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1479 	.align_mask = 0xf,
1480 	.vmhub = AMDGPU_MMHUB_1,
1481 	.get_rptr = vcn_v2_5_dec_ring_get_rptr,
1482 	.get_wptr = vcn_v2_5_dec_ring_get_wptr,
1483 	.set_wptr = vcn_v2_5_dec_ring_set_wptr,
1484 	.emit_frame_size =
1485 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1486 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1487 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
1488 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
1489 		6,
1490 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
1491 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
1492 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
1493 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
1494 	.test_ring = vcn_v2_0_dec_ring_test_ring,
1495 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
1496 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
1497 	.insert_start = vcn_v2_0_dec_ring_insert_start,
1498 	.insert_end = vcn_v2_0_dec_ring_insert_end,
1499 	.pad_ib = amdgpu_ring_generic_pad_ib,
1500 	.begin_use = amdgpu_vcn_ring_begin_use,
1501 	.end_use = amdgpu_vcn_ring_end_use,
1502 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
1503 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
1504 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1505 };
1506 
1507 /**
1508  * vcn_v2_5_enc_ring_get_rptr - get enc read pointer
1509  *
1510  * @ring: amdgpu_ring pointer
1511  *
1512  * Returns the current hardware enc read pointer
1513  */
1514 static uint64_t vcn_v2_5_enc_ring_get_rptr(struct amdgpu_ring *ring)
1515 {
1516 	struct amdgpu_device *adev = ring->adev;
1517 
1518 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
1519 		return RREG32_SOC15(UVD, ring->me, mmUVD_RB_RPTR);
1520 	else
1521 		return RREG32_SOC15(UVD, ring->me, mmUVD_RB_RPTR2);
1522 }
1523 
1524 /**
1525  * vcn_v2_5_enc_ring_get_wptr - get enc write pointer
1526  *
1527  * @ring: amdgpu_ring pointer
1528  *
1529  * Returns the current hardware enc write pointer
1530  */
1531 static uint64_t vcn_v2_5_enc_ring_get_wptr(struct amdgpu_ring *ring)
1532 {
1533 	struct amdgpu_device *adev = ring->adev;
1534 
1535 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1536 		if (ring->use_doorbell)
1537 			return adev->wb.wb[ring->wptr_offs];
1538 		else
1539 			return RREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR);
1540 	} else {
1541 		if (ring->use_doorbell)
1542 			return adev->wb.wb[ring->wptr_offs];
1543 		else
1544 			return RREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR2);
1545 	}
1546 }
1547 
1548 /**
1549  * vcn_v2_5_enc_ring_set_wptr - set enc write pointer
1550  *
1551  * @ring: amdgpu_ring pointer
1552  *
1553  * Commits the enc write pointer to the hardware
1554  */
1555 static void vcn_v2_5_enc_ring_set_wptr(struct amdgpu_ring *ring)
1556 {
1557 	struct amdgpu_device *adev = ring->adev;
1558 
1559 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1560 		if (ring->use_doorbell) {
1561 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1562 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1563 		} else {
1564 			WREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1565 		}
1566 	} else {
1567 		if (ring->use_doorbell) {
1568 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1569 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1570 		} else {
1571 			WREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1572 		}
1573 	}
1574 }
1575 
1576 static const struct amdgpu_ring_funcs vcn_v2_5_enc_ring_vm_funcs = {
1577 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1578 	.align_mask = 0x3f,
1579 	.nop = VCN_ENC_CMD_NO_OP,
1580 	.vmhub = AMDGPU_MMHUB_1,
1581 	.get_rptr = vcn_v2_5_enc_ring_get_rptr,
1582 	.get_wptr = vcn_v2_5_enc_ring_get_wptr,
1583 	.set_wptr = vcn_v2_5_enc_ring_set_wptr,
1584 	.emit_frame_size =
1585 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1586 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1587 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1588 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1589 		1, /* vcn_v2_0_enc_ring_insert_end */
1590 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1591 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1592 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1593 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1594 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1595 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
1596 	.insert_nop = amdgpu_ring_insert_nop,
1597 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1598 	.pad_ib = amdgpu_ring_generic_pad_ib,
1599 	.begin_use = amdgpu_vcn_ring_begin_use,
1600 	.end_use = amdgpu_vcn_ring_end_use,
1601 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1602 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1603 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1604 };
1605 
1606 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev)
1607 {
1608 	int i;
1609 
1610 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1611 		if (adev->vcn.harvest_config & (1 << i))
1612 			continue;
1613 		adev->vcn.inst[i].ring_dec.funcs = &vcn_v2_5_dec_ring_vm_funcs;
1614 		adev->vcn.inst[i].ring_dec.me = i;
1615 		DRM_INFO("VCN(%d) decode is enabled in VM mode\n", i);
1616 	}
1617 }
1618 
1619 static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev)
1620 {
1621 	int i, j;
1622 
1623 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
1624 		if (adev->vcn.harvest_config & (1 << j))
1625 			continue;
1626 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
1627 			adev->vcn.inst[j].ring_enc[i].funcs = &vcn_v2_5_enc_ring_vm_funcs;
1628 			adev->vcn.inst[j].ring_enc[i].me = j;
1629 		}
1630 		DRM_INFO("VCN(%d) encode is enabled in VM mode\n", j);
1631 	}
1632 }
1633 
1634 static bool vcn_v2_5_is_idle(void *handle)
1635 {
1636 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1637 	int i, ret = 1;
1638 
1639 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1640 		if (adev->vcn.harvest_config & (1 << i))
1641 			continue;
1642 		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
1643 	}
1644 
1645 	return ret;
1646 }
1647 
1648 static int vcn_v2_5_wait_for_idle(void *handle)
1649 {
1650 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1651 	int i, ret = 0;
1652 
1653 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1654 		if (adev->vcn.harvest_config & (1 << i))
1655 			continue;
1656 		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
1657 			UVD_STATUS__IDLE, ret);
1658 		if (ret)
1659 			return ret;
1660 	}
1661 
1662 	return ret;
1663 }
1664 
1665 static int vcn_v2_5_set_clockgating_state(void *handle,
1666 					  enum amd_clockgating_state state)
1667 {
1668 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1669 	bool enable = (state == AMD_CG_STATE_GATE);
1670 
1671 	if (amdgpu_sriov_vf(adev))
1672 		return 0;
1673 
1674 	if (enable) {
1675 		if (vcn_v2_5_is_idle(handle))
1676 			return -EBUSY;
1677 		vcn_v2_5_enable_clock_gating(adev);
1678 	} else {
1679 		vcn_v2_5_disable_clock_gating(adev);
1680 	}
1681 
1682 	return 0;
1683 }
1684 
1685 static int vcn_v2_5_set_powergating_state(void *handle,
1686 					  enum amd_powergating_state state)
1687 {
1688 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1689 	int ret;
1690 
1691 	if (amdgpu_sriov_vf(adev))
1692 		return 0;
1693 
1694 	if(state == adev->vcn.cur_state)
1695 		return 0;
1696 
1697 	if (state == AMD_PG_STATE_GATE)
1698 		ret = vcn_v2_5_stop(adev);
1699 	else
1700 		ret = vcn_v2_5_start(adev);
1701 
1702 	if(!ret)
1703 		adev->vcn.cur_state = state;
1704 
1705 	return ret;
1706 }
1707 
1708 static int vcn_v2_5_set_interrupt_state(struct amdgpu_device *adev,
1709 					struct amdgpu_irq_src *source,
1710 					unsigned type,
1711 					enum amdgpu_interrupt_state state)
1712 {
1713 	return 0;
1714 }
1715 
1716 static int vcn_v2_5_process_interrupt(struct amdgpu_device *adev,
1717 				      struct amdgpu_irq_src *source,
1718 				      struct amdgpu_iv_entry *entry)
1719 {
1720 	uint32_t ip_instance;
1721 
1722 	switch (entry->client_id) {
1723 	case SOC15_IH_CLIENTID_VCN:
1724 		ip_instance = 0;
1725 		break;
1726 	case SOC15_IH_CLIENTID_VCN1:
1727 		ip_instance = 1;
1728 		break;
1729 	default:
1730 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
1731 		return 0;
1732 	}
1733 
1734 	DRM_DEBUG("IH: VCN TRAP\n");
1735 
1736 	switch (entry->src_id) {
1737 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
1738 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
1739 		break;
1740 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1741 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
1742 		break;
1743 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
1744 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
1745 		break;
1746 	default:
1747 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1748 			  entry->src_id, entry->src_data[0]);
1749 		break;
1750 	}
1751 
1752 	return 0;
1753 }
1754 
1755 static const struct amdgpu_irq_src_funcs vcn_v2_5_irq_funcs = {
1756 	.set = vcn_v2_5_set_interrupt_state,
1757 	.process = vcn_v2_5_process_interrupt,
1758 };
1759 
1760 static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev)
1761 {
1762 	int i;
1763 
1764 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1765 		if (adev->vcn.harvest_config & (1 << i))
1766 			continue;
1767 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
1768 		adev->vcn.inst[i].irq.funcs = &vcn_v2_5_irq_funcs;
1769 	}
1770 }
1771 
1772 static const struct amd_ip_funcs vcn_v2_5_ip_funcs = {
1773 	.name = "vcn_v2_5",
1774 	.early_init = vcn_v2_5_early_init,
1775 	.late_init = NULL,
1776 	.sw_init = vcn_v2_5_sw_init,
1777 	.sw_fini = vcn_v2_5_sw_fini,
1778 	.hw_init = vcn_v2_5_hw_init,
1779 	.hw_fini = vcn_v2_5_hw_fini,
1780 	.suspend = vcn_v2_5_suspend,
1781 	.resume = vcn_v2_5_resume,
1782 	.is_idle = vcn_v2_5_is_idle,
1783 	.wait_for_idle = vcn_v2_5_wait_for_idle,
1784 	.check_soft_reset = NULL,
1785 	.pre_soft_reset = NULL,
1786 	.soft_reset = NULL,
1787 	.post_soft_reset = NULL,
1788 	.set_clockgating_state = vcn_v2_5_set_clockgating_state,
1789 	.set_powergating_state = vcn_v2_5_set_powergating_state,
1790 };
1791 
1792 const struct amdgpu_ip_block_version vcn_v2_5_ip_block =
1793 {
1794 		.type = AMD_IP_BLOCK_TYPE_VCN,
1795 		.major = 2,
1796 		.minor = 5,
1797 		.rev = 0,
1798 		.funcs = &vcn_v2_5_ip_funcs,
1799 };
1800