xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c (revision 5c8d5e2619f7d2985adfe45608dc942ca8151aa3)
1 /*
2  * Copyright 2023 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 #include "amdgpu.h"
26 #include "amdgpu_vcn.h"
27 #include "amdgpu_pm.h"
28 #include "soc15.h"
29 #include "soc15d.h"
30 #include "soc15_hw_ip.h"
31 #include "vcn_v2_0.h"
32 
33 #include "vcn/vcn_5_0_0_offset.h"
34 #include "vcn/vcn_5_0_0_sh_mask.h"
35 #include "ivsrcid/vcn/irqsrcs_vcn_5_0.h"
36 #include "vcn_v5_0_0.h"
37 
38 #include <drm/drm_drv.h>
39 
40 static const struct amdgpu_hwip_reg_entry vcn_reg_list_5_0[] = {
41 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_POWER_STATUS),
42 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_STATUS),
43 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID),
44 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID2),
45 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA0),
46 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA1),
47 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_CMD),
48 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI),
49 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO),
50 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI2),
51 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO2),
52 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI3),
53 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO3),
54 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI4),
55 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO4),
56 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR),
57 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR),
58 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR2),
59 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR2),
60 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR3),
61 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR3),
62 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR4),
63 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR4),
64 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE),
65 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE2),
66 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE3),
67 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE4),
68 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_CTL),
69 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_DATA),
70 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_MASK),
71 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_PAUSE)
72 };
73 
74 static int amdgpu_ih_clientid_vcns[] = {
75 	SOC15_IH_CLIENTID_VCN,
76 	SOC15_IH_CLIENTID_VCN1
77 };
78 
79 static void vcn_v5_0_0_set_unified_ring_funcs(struct amdgpu_device *adev);
80 static void vcn_v5_0_0_set_irq_funcs(struct amdgpu_device *adev);
81 static int vcn_v5_0_0_set_pg_state(struct amdgpu_vcn_inst *vinst,
82 				   enum amd_powergating_state state);
83 static int vcn_v5_0_0_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
84 				     struct dpg_pause_state *new_state);
85 static void vcn_v5_0_0_unified_ring_set_wptr(struct amdgpu_ring *ring);
86 
87 /**
88  * vcn_v5_0_0_early_init - set function pointers and load microcode
89  *
90  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
91  *
92  * Set ring and irq function pointers
93  * Load microcode from filesystem
94  */
95 static int vcn_v5_0_0_early_init(struct amdgpu_ip_block *ip_block)
96 {
97 	struct amdgpu_device *adev = ip_block->adev;
98 	int i, r;
99 
100 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i)
101 		/* re-use enc ring as unified ring */
102 		adev->vcn.inst[i].num_enc_rings = 1;
103 
104 	vcn_v5_0_0_set_unified_ring_funcs(adev);
105 	vcn_v5_0_0_set_irq_funcs(adev);
106 
107 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
108 		adev->vcn.inst[i].set_pg_state = vcn_v5_0_0_set_pg_state;
109 
110 		r = amdgpu_vcn_early_init(adev, i);
111 		if (r)
112 			return r;
113 	}
114 
115 	return 0;
116 }
117 
118 /**
119  * vcn_v5_0_0_sw_init - sw init for VCN block
120  *
121  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
122  *
123  * Load firmware and sw initialization
124  */
125 static int vcn_v5_0_0_sw_init(struct amdgpu_ip_block *ip_block)
126 {
127 	struct amdgpu_ring *ring;
128 	struct amdgpu_device *adev = ip_block->adev;
129 	int i, r;
130 
131 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
132 		volatile struct amdgpu_vcn5_fw_shared *fw_shared;
133 
134 		if (adev->vcn.harvest_config & (1 << i))
135 			continue;
136 
137 		r = amdgpu_vcn_sw_init(adev, i);
138 		if (r)
139 			return r;
140 
141 		amdgpu_vcn_setup_ucode(adev, i);
142 
143 		r = amdgpu_vcn_resume(adev, i);
144 		if (r)
145 			return r;
146 
147 		atomic_set(&adev->vcn.inst[i].sched_score, 0);
148 
149 		/* VCN UNIFIED TRAP */
150 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
151 				VCN_5_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
152 		if (r)
153 			return r;
154 
155 		/* VCN POISON TRAP */
156 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
157 				VCN_5_0__SRCID_UVD_POISON, &adev->vcn.inst[i].irq);
158 		if (r)
159 			return r;
160 
161 		ring = &adev->vcn.inst[i].ring_enc[0];
162 		ring->use_doorbell = true;
163 		ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + 8 * i;
164 
165 		ring->vm_hub = AMDGPU_MMHUB0(0);
166 		sprintf(ring->name, "vcn_unified_%d", i);
167 
168 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
169 						AMDGPU_RING_PRIO_0, &adev->vcn.inst[i].sched_score);
170 		if (r)
171 			return r;
172 
173 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
174 		fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_FW_SHARED_FLAG_0_UNIFIED_QUEUE);
175 		fw_shared->sq.is_enabled = 1;
176 
177 		if (amdgpu_vcnfw_log)
178 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
179 
180 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
181 			adev->vcn.inst[i].pause_dpg_mode = vcn_v5_0_0_pause_dpg_mode;
182 	}
183 
184 	adev->vcn.supported_reset =
185 		amdgpu_get_soft_full_reset_mask(&adev->vcn.inst[0].ring_enc[0]);
186 	if (!amdgpu_sriov_vf(adev))
187 		adev->vcn.supported_reset |= AMDGPU_RESET_TYPE_PER_QUEUE;
188 
189 	r = amdgpu_vcn_reg_dump_init(adev, vcn_reg_list_5_0, ARRAY_SIZE(vcn_reg_list_5_0));
190 	if (r)
191 		return r;
192 
193 	r = amdgpu_vcn_sysfs_reset_mask_init(adev);
194 	if (r)
195 		return r;
196 
197 	return 0;
198 }
199 
200 /**
201  * vcn_v5_0_0_sw_fini - sw fini for VCN block
202  *
203  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
204  *
205  * VCN suspend and free up sw allocation
206  */
207 static int vcn_v5_0_0_sw_fini(struct amdgpu_ip_block *ip_block)
208 {
209 	struct amdgpu_device *adev = ip_block->adev;
210 	int i, r, idx;
211 
212 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
213 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
214 			volatile struct amdgpu_vcn5_fw_shared *fw_shared;
215 
216 			if (adev->vcn.harvest_config & (1 << i))
217 				continue;
218 
219 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
220 			fw_shared->present_flag_0 = 0;
221 			fw_shared->sq.is_enabled = 0;
222 		}
223 
224 		drm_dev_exit(idx);
225 	}
226 
227 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
228 		r = amdgpu_vcn_suspend(adev, i);
229 		if (r)
230 			return r;
231 	}
232 
233 	amdgpu_vcn_sysfs_reset_mask_fini(adev);
234 
235 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
236 		r = amdgpu_vcn_sw_fini(adev, i);
237 		if (r)
238 			return r;
239 	}
240 
241 	return 0;
242 }
243 
244 /**
245  * vcn_v5_0_0_hw_init - start and test VCN block
246  *
247  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
248  *
249  * Initialize the hardware, boot up the VCPU and do some testing
250  */
251 static int vcn_v5_0_0_hw_init(struct amdgpu_ip_block *ip_block)
252 {
253 	struct amdgpu_device *adev = ip_block->adev;
254 	struct amdgpu_ring *ring;
255 	int i, r;
256 
257 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
258 		if (adev->vcn.harvest_config & (1 << i))
259 			continue;
260 
261 		ring = &adev->vcn.inst[i].ring_enc[0];
262 
263 		adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
264 			((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i), i);
265 
266 		r = amdgpu_ring_test_helper(ring);
267 		if (r)
268 			return r;
269 	}
270 
271 	return 0;
272 }
273 
274 /**
275  * vcn_v5_0_0_hw_fini - stop the hardware block
276  *
277  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
278  *
279  * Stop the VCN block, mark ring as not ready any more
280  */
281 static int vcn_v5_0_0_hw_fini(struct amdgpu_ip_block *ip_block)
282 {
283 	struct amdgpu_device *adev = ip_block->adev;
284 	int i;
285 
286 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
287 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
288 
289 		if (adev->vcn.harvest_config & (1 << i))
290 			continue;
291 
292 		cancel_delayed_work_sync(&vinst->idle_work);
293 
294 		if (!amdgpu_sriov_vf(adev)) {
295 			if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
296 			    (vinst->cur_state != AMD_PG_STATE_GATE &&
297 			     RREG32_SOC15(VCN, i, regUVD_STATUS))) {
298 				vinst->set_pg_state(vinst, AMD_PG_STATE_GATE);
299 			}
300 		}
301 	}
302 
303 	return 0;
304 }
305 
306 /**
307  * vcn_v5_0_0_suspend - suspend VCN block
308  *
309  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
310  *
311  * HW fini and suspend VCN block
312  */
313 static int vcn_v5_0_0_suspend(struct amdgpu_ip_block *ip_block)
314 {
315 	struct amdgpu_device *adev = ip_block->adev;
316 	int r, i;
317 
318 	r = vcn_v5_0_0_hw_fini(ip_block);
319 	if (r)
320 		return r;
321 
322 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
323 		r = amdgpu_vcn_suspend(ip_block->adev, i);
324 		if (r)
325 			return r;
326 	}
327 
328 	return r;
329 }
330 
331 /**
332  * vcn_v5_0_0_resume - resume VCN block
333  *
334  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
335  *
336  * Resume firmware and hw init VCN block
337  */
338 static int vcn_v5_0_0_resume(struct amdgpu_ip_block *ip_block)
339 {
340 	struct amdgpu_device *adev = ip_block->adev;
341 	int r, i;
342 
343 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
344 		r = amdgpu_vcn_resume(ip_block->adev, i);
345 		if (r)
346 			return r;
347 	}
348 
349 	r = vcn_v5_0_0_hw_init(ip_block);
350 
351 	return r;
352 }
353 
354 /**
355  * vcn_v5_0_0_mc_resume - memory controller programming
356  *
357  * @vinst: VCN instance
358  *
359  * Let the VCN memory controller know it's offsets
360  */
361 static void vcn_v5_0_0_mc_resume(struct amdgpu_vcn_inst *vinst)
362 {
363 	struct amdgpu_device *adev = vinst->adev;
364 	int inst = vinst->inst;
365 	uint32_t offset, size;
366 	const struct common_firmware_header *hdr;
367 
368 	hdr = (const struct common_firmware_header *)adev->vcn.inst[inst].fw->data;
369 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
370 
371 	/* cache window 0: fw */
372 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
373 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
374 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
375 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
376 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
377 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, 0);
378 		offset = 0;
379 	} else {
380 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
381 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
382 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
383 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
384 		offset = size;
385 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
386 	}
387 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE0, size);
388 
389 	/* cache window 1: stack */
390 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
391 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
392 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
393 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
394 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET1, 0);
395 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
396 
397 	/* cache window 2: context */
398 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
399 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
400 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
401 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
402 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET2, 0);
403 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
404 
405 	/* non-cache window */
406 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
407 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
408 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
409 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
410 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_OFFSET0, 0);
411 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_SIZE0,
412 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn5_fw_shared)));
413 }
414 
415 /**
416  * vcn_v5_0_0_mc_resume_dpg_mode - memory controller programming for dpg mode
417  *
418  * @vinst: VCN instance
419  * @indirect: indirectly write sram
420  *
421  * Let the VCN memory controller know it's offsets with dpg mode
422  */
423 static void vcn_v5_0_0_mc_resume_dpg_mode(struct amdgpu_vcn_inst *vinst,
424 					  bool indirect)
425 {
426 	struct amdgpu_device *adev = vinst->adev;
427 	int inst_idx = vinst->inst;
428 	uint32_t offset, size;
429 	const struct common_firmware_header *hdr;
430 
431 	hdr = (const struct common_firmware_header *)adev->vcn.inst[inst_idx].fw->data;
432 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
433 
434 	/* cache window 0: fw */
435 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
436 		if (!indirect) {
437 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
438 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
439 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
440 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
441 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
442 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
443 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
444 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
445 		} else {
446 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
447 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
448 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
449 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
450 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
451 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
452 		}
453 		offset = 0;
454 	} else {
455 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
456 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
457 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
458 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
459 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
460 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
461 		offset = size;
462 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
463 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0),
464 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
465 	}
466 
467 	if (!indirect)
468 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
469 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
470 	else
471 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
472 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
473 
474 	/* cache window 1: stack */
475 	if (!indirect) {
476 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
477 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
478 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
479 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
480 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
481 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
482 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
483 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
484 	} else {
485 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
486 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
487 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
488 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
489 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
490 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
491 	}
492 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
493 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
494 
495 	/* cache window 2: context */
496 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
497 		VCN, inst_idx, regUVD_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_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
500 		VCN, inst_idx, regUVD_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_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
503 		VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
504 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
505 		VCN, inst_idx, regUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
506 
507 	/* non-cache window */
508 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
509 		VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
510 		lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
511 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
512 		VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
513 		upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
514 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
515 		VCN, inst_idx, regUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
516 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
517 		VCN, inst_idx, regUVD_VCPU_NONCACHE_SIZE0),
518 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn5_fw_shared)), 0, indirect);
519 
520 	/* VCN global tiling registers */
521 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
522 		VCN, inst_idx, regUVD_GFX10_ADDR_CONFIG),
523 		adev->gfx.config.gb_addr_config, 0, indirect);
524 
525 	return;
526 }
527 
528 /**
529  * vcn_v5_0_0_disable_static_power_gating - disable VCN static power gating
530  *
531  * @vinst: VCN instance
532  *
533  * Disable static power gating for VCN block
534  */
535 static void vcn_v5_0_0_disable_static_power_gating(struct amdgpu_vcn_inst *vinst)
536 {
537 	struct amdgpu_device *adev = vinst->adev;
538 	int inst = vinst->inst;
539 	uint32_t data = 0;
540 
541 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
542 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT;
543 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
544 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
545 				UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
546 
547 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT;
548 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
549 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
550 				1 << UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS__SHIFT,
551 				UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
552 
553 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT;
554 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
555 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
556 				1 << UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS__SHIFT,
557 				UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
558 
559 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT;
560 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
561 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
562 				1 << UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS__SHIFT,
563 				UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
564 	} else {
565 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT;
566 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
567 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
568 				UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
569 
570 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT;
571 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
572 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
573 				UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
574 
575 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT;
576 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
577 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
578 				UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
579 
580 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT;
581 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
582 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
583 				UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
584 	}
585 
586 	data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
587 	data &= ~0x103;
588 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
589 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
590 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
591 
592 	WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
593 	return;
594 }
595 
596 /**
597  * vcn_v5_0_0_enable_static_power_gating - enable VCN static power gating
598  *
599  * @vinst: VCN instance
600  *
601  * Enable static power gating for VCN block
602  */
603 static void vcn_v5_0_0_enable_static_power_gating(struct amdgpu_vcn_inst *vinst)
604 {
605 	struct amdgpu_device *adev = vinst->adev;
606 	int inst = vinst->inst;
607 	uint32_t data;
608 
609 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
610 		/* Before power off, this indicator has to be turned on */
611 		data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
612 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
613 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
614 		WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
615 
616 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT;
617 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
618 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
619 				1 << UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS__SHIFT,
620 				UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
621 
622 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT;
623 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
624 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
625 				1 << UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS__SHIFT,
626 				UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
627 
628 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT;
629 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
630 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
631 				1 << UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS__SHIFT,
632 				UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
633 
634 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT;
635 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
636 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
637 				1 << UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS__SHIFT,
638 				UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
639 	}
640 	return;
641 }
642 
643 /**
644  * vcn_v5_0_0_disable_clock_gating - disable VCN clock gating
645  *
646  * @vinst: VCN instance
647  *
648  * Disable clock gating for VCN block
649  */
650 static void vcn_v5_0_0_disable_clock_gating(struct amdgpu_vcn_inst *vinst)
651 {
652 	return;
653 }
654 
655 #if 0
656 /**
657  * vcn_v5_0_0_disable_clock_gating_dpg_mode - disable VCN clock gating dpg mode
658  *
659  * @vinst: VCN instance
660  * @sram_sel: sram select
661  * @indirect: indirectly write sram
662  *
663  * Disable clock gating for VCN block with dpg mode
664  */
665 static void vcn_v5_0_0_disable_clock_gating_dpg_mode(struct amdgpu_vcn_inst *vinst,
666 						     uint8_t sram_sel,
667 						     uint8_t indirect)
668 {
669 	return;
670 }
671 #endif
672 
673 /**
674  * vcn_v5_0_0_enable_clock_gating - enable VCN clock gating
675  *
676  * @vinst: VCN instance
677  *
678  * Enable clock gating for VCN block
679  */
680 static void vcn_v5_0_0_enable_clock_gating(struct amdgpu_vcn_inst *vinst)
681 {
682 	return;
683 }
684 
685 /**
686  * vcn_v5_0_0_start_dpg_mode - VCN start with dpg mode
687  *
688  * @vinst: VCN instance
689  * @indirect: indirectly write sram
690  *
691  * Start VCN block with dpg mode
692  */
693 static int vcn_v5_0_0_start_dpg_mode(struct amdgpu_vcn_inst *vinst,
694 				     bool indirect)
695 {
696 	struct amdgpu_device *adev = vinst->adev;
697 	int inst_idx = vinst->inst;
698 	volatile struct amdgpu_vcn5_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
699 	struct amdgpu_ring *ring;
700 	uint32_t tmp;
701 	int ret;
702 
703 	/* disable register anti-hang mechanism */
704 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 1,
705 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
706 
707 	/* enable dynamic power gating mode */
708 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS);
709 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
710 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
711 	WREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS, tmp);
712 
713 	if (indirect)
714 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
715 
716 	/* enable VCPU clock */
717 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
718 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK | UVD_VCPU_CNTL__BLK_RST_MASK;
719 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
720 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
721 
722 	/* disable master interrupt */
723 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
724 		VCN, inst_idx, regUVD_MASTINT_EN), 0, 0, indirect);
725 
726 	/* setup regUVD_LMI_CTRL */
727 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
728 		UVD_LMI_CTRL__REQ_MODE_MASK |
729 		UVD_LMI_CTRL__CRC_RESET_MASK |
730 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
731 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
732 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
733 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
734 		0x00100000L);
735 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
736 		VCN, inst_idx, regUVD_LMI_CTRL), tmp, 0, indirect);
737 
738 	vcn_v5_0_0_mc_resume_dpg_mode(vinst, indirect);
739 
740 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
741 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
742 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
743 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
744 
745 	/* enable LMI MC and UMC channels */
746 	tmp = 0x1f << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT;
747 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
748 		VCN, inst_idx, regUVD_LMI_CTRL2), tmp, 0, indirect);
749 
750 	/* enable master interrupt */
751 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
752 		VCN, inst_idx, regUVD_MASTINT_EN),
753 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
754 
755 	if (indirect) {
756 		ret = amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
757 		if (ret) {
758 			dev_err(adev->dev, "%s: vcn sram load failed %d\n", __func__, ret);
759 			return ret;
760 		}
761 	}
762 
763 	ring = &adev->vcn.inst[inst_idx].ring_enc[0];
764 
765 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_LO, ring->gpu_addr);
766 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
767 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_SIZE, ring->ring_size / 4);
768 
769 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
770 	tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
771 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
772 	fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
773 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR, 0);
774 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, 0);
775 
776 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR);
777 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, tmp);
778 	ring->wptr = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
779 
780 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
781 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
782 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
783 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
784 
785 	WREG32_SOC15(VCN, inst_idx, regVCN_RB1_DB_CTRL,
786 		ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
787 		VCN_RB1_DB_CTRL__EN_MASK);
788 
789 	/* Keeping one read-back to ensure all register writes are done,
790 	 * otherwise it may introduce race conditions.
791 	 */
792 	RREG32_SOC15(VCN, inst_idx, regUVD_STATUS);
793 
794 	return 0;
795 }
796 
797 /**
798  * vcn_v5_0_0_start - VCN start
799  *
800  * @vinst: VCN instance
801  *
802  * Start VCN block
803  */
804 static int vcn_v5_0_0_start(struct amdgpu_vcn_inst *vinst)
805 {
806 	struct amdgpu_device *adev = vinst->adev;
807 	int i = vinst->inst;
808 	volatile struct amdgpu_vcn5_fw_shared *fw_shared;
809 	struct amdgpu_ring *ring;
810 	uint32_t tmp;
811 	int j, k, r;
812 
813 	if (adev->vcn.harvest_config & (1 << i))
814 		return 0;
815 
816 	if (adev->pm.dpm_enabled)
817 		amdgpu_dpm_enable_vcn(adev, true, i);
818 
819 	fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
820 
821 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
822 		return vcn_v5_0_0_start_dpg_mode(vinst, adev->vcn.inst[i].indirect_sram);
823 
824 	/* disable VCN power gating */
825 	vcn_v5_0_0_disable_static_power_gating(vinst);
826 
827 	/* set VCN status busy */
828 	tmp = RREG32_SOC15(VCN, i, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
829 	WREG32_SOC15(VCN, i, regUVD_STATUS, tmp);
830 
831 	/* enable VCPU clock */
832 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
833 		 UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
834 
835 	/* disable master interrupt */
836 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN), 0,
837 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
838 
839 	/* enable LMI MC and UMC channels */
840 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_LMI_CTRL2), 0,
841 		 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
842 
843 	tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
844 	tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
845 	tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
846 	WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
847 
848 	/* setup regUVD_LMI_CTRL */
849 	tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL);
850 	WREG32_SOC15(VCN, i, regUVD_LMI_CTRL, tmp |
851 		     UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
852 		     UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
853 		     UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
854 		     UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
855 
856 	vcn_v5_0_0_mc_resume(vinst);
857 
858 	/* VCN global tiling registers */
859 	WREG32_SOC15(VCN, i, regUVD_GFX10_ADDR_CONFIG,
860 		     adev->gfx.config.gb_addr_config);
861 
862 	/* unblock VCPU register access */
863 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL), 0,
864 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
865 
866 	/* release VCPU reset to boot */
867 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
868 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
869 
870 	for (j = 0; j < 10; ++j) {
871 		uint32_t status;
872 
873 		for (k = 0; k < 100; ++k) {
874 			status = RREG32_SOC15(VCN, i, regUVD_STATUS);
875 			if (status & 2)
876 				break;
877 			mdelay(10);
878 			if (amdgpu_emu_mode == 1)
879 				msleep(1);
880 		}
881 
882 		if (amdgpu_emu_mode == 1) {
883 			r = -1;
884 			if (status & 2) {
885 				r = 0;
886 				break;
887 			}
888 		} else {
889 			r = 0;
890 			if (status & 2)
891 				break;
892 
893 			dev_err(adev->dev,
894 				"VCN[%d] is not responding, trying to reset the VCPU!!!\n", i);
895 			WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
896 				 UVD_VCPU_CNTL__BLK_RST_MASK,
897 				 ~UVD_VCPU_CNTL__BLK_RST_MASK);
898 			mdelay(10);
899 			WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
900 				 ~UVD_VCPU_CNTL__BLK_RST_MASK);
901 
902 			mdelay(10);
903 			r = -1;
904 		}
905 	}
906 
907 	if (r) {
908 		dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", i);
909 		return r;
910 	}
911 
912 	/* enable master interrupt */
913 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN),
914 		 UVD_MASTINT_EN__VCPU_EN_MASK,
915 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
916 
917 	/* clear the busy bit of VCN_STATUS */
918 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_STATUS), 0,
919 		 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
920 
921 	ring = &adev->vcn.inst[i].ring_enc[0];
922 	WREG32_SOC15(VCN, i, regVCN_RB1_DB_CTRL,
923 		     ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
924 		     VCN_RB1_DB_CTRL__EN_MASK);
925 
926 	WREG32_SOC15(VCN, i, regUVD_RB_BASE_LO, ring->gpu_addr);
927 	WREG32_SOC15(VCN, i, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
928 	WREG32_SOC15(VCN, i, regUVD_RB_SIZE, ring->ring_size / 4);
929 
930 	tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
931 	tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
932 	WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
933 	fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
934 	WREG32_SOC15(VCN, i, regUVD_RB_RPTR, 0);
935 	WREG32_SOC15(VCN, i, regUVD_RB_WPTR, 0);
936 
937 	tmp = RREG32_SOC15(VCN, i, regUVD_RB_RPTR);
938 	WREG32_SOC15(VCN, i, regUVD_RB_WPTR, tmp);
939 	ring->wptr = RREG32_SOC15(VCN, i, regUVD_RB_WPTR);
940 
941 	tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
942 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
943 	WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
944 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
945 
946 	/* Keeping one read-back to ensure all register writes are done,
947 	 * otherwise it may introduce race conditions.
948 	 */
949 	RREG32_SOC15(VCN, i, regUVD_STATUS);
950 
951 	return 0;
952 }
953 
954 /**
955  * vcn_v5_0_0_stop_dpg_mode - VCN stop with dpg mode
956  *
957  * @vinst: VCN instance
958  *
959  * Stop VCN block with dpg mode
960  */
961 static void vcn_v5_0_0_stop_dpg_mode(struct amdgpu_vcn_inst *vinst)
962 {
963 	struct amdgpu_device *adev = vinst->adev;
964 	int inst_idx = vinst->inst;
965 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
966 	uint32_t tmp;
967 
968 	vcn_v5_0_0_pause_dpg_mode(vinst, &state);
969 
970 	/* Wait for power status to be 1 */
971 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
972 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
973 
974 	/* wait for read ptr to be equal to write ptr */
975 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
976 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_RB_RPTR, tmp, 0xFFFFFFFF);
977 
978 	/* disable dynamic power gating mode */
979 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 0,
980 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
981 
982 	/* Keeping one read-back to ensure all register writes are done,
983 	 * otherwise it may introduce race conditions.
984 	 */
985 	RREG32_SOC15(VCN, inst_idx, regUVD_STATUS);
986 
987 	return;
988 }
989 
990 /**
991  * vcn_v5_0_0_stop - VCN stop
992  *
993  * @vinst: VCN instance
994  *
995  * Stop VCN block
996  */
997 static int vcn_v5_0_0_stop(struct amdgpu_vcn_inst *vinst)
998 {
999 	struct amdgpu_device *adev = vinst->adev;
1000 	int i = vinst->inst;
1001 	volatile struct amdgpu_vcn5_fw_shared *fw_shared;
1002 	uint32_t tmp;
1003 	int r = 0;
1004 
1005 	if (adev->vcn.harvest_config & (1 << i))
1006 		return 0;
1007 
1008 	fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1009 	fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
1010 
1011 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1012 		vcn_v5_0_0_stop_dpg_mode(vinst);
1013 		r = 0;
1014 		goto done;
1015 	}
1016 
1017 	/* wait for vcn idle */
1018 	r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1019 	if (r)
1020 		goto done;
1021 
1022 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1023 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1024 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1025 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1026 	r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
1027 	if (r)
1028 		goto done;
1029 
1030 	/* disable LMI UMC channel */
1031 	tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL2);
1032 	tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1033 	WREG32_SOC15(VCN, i, regUVD_LMI_CTRL2, tmp);
1034 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
1035 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1036 	r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
1037 	if (r)
1038 		goto done;
1039 
1040 	/* block VCPU register access */
1041 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL),
1042 		 UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1043 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1044 
1045 	/* reset VCPU */
1046 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1047 		 UVD_VCPU_CNTL__BLK_RST_MASK,
1048 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1049 
1050 	/* disable VCPU clock */
1051 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1052 		 ~(UVD_VCPU_CNTL__CLK_EN_MASK));
1053 
1054 	/* apply soft reset */
1055 	tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1056 	tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1057 	WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1058 	tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1059 	tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1060 	WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1061 
1062 	/* clear status */
1063 	WREG32_SOC15(VCN, i, regUVD_STATUS, 0);
1064 
1065 	/* enable VCN power gating */
1066 	vcn_v5_0_0_enable_static_power_gating(vinst);
1067 
1068 	/* Keeping one read-back to ensure all register writes are done,
1069 	 * otherwise it may introduce race conditions.
1070 	 */
1071 	RREG32_SOC15(VCN, i, regUVD_STATUS);
1072 
1073 done:
1074 	if (adev->pm.dpm_enabled)
1075 		amdgpu_dpm_enable_vcn(adev, false, i);
1076 
1077 	return r;
1078 }
1079 
1080 /**
1081  * vcn_v5_0_0_pause_dpg_mode - VCN pause with dpg mode
1082  *
1083  * @vinst: VCN instance
1084  * @new_state: pause state
1085  *
1086  * Pause dpg mode for VCN block
1087  */
1088 static int vcn_v5_0_0_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
1089 				     struct dpg_pause_state *new_state)
1090 {
1091 	struct amdgpu_device *adev = vinst->adev;
1092 	int inst_idx = vinst->inst;
1093 	uint32_t reg_data = 0;
1094 	int ret_code;
1095 
1096 	/* pause/unpause if state is changed */
1097 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1098 		DRM_DEV_DEBUG(adev->dev, "dpg pause state changed %d -> %d",
1099 			adev->vcn.inst[inst_idx].pause_state.fw_based,  new_state->fw_based);
1100 		reg_data = RREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE) &
1101 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1102 
1103 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1104 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 0x1,
1105 					UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1106 
1107 			if (!ret_code) {
1108 				/* pause DPG */
1109 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1110 				WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1111 
1112 				/* wait for ACK */
1113 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_DPG_PAUSE,
1114 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1115 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1116 			}
1117 		} else {
1118 			/* unpause dpg, no need to wait */
1119 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1120 			WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1121 		}
1122 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1123 	}
1124 
1125 	return 0;
1126 }
1127 
1128 /**
1129  * vcn_v5_0_0_unified_ring_get_rptr - get unified read pointer
1130  *
1131  * @ring: amdgpu_ring pointer
1132  *
1133  * Returns the current hardware unified read pointer
1134  */
1135 static uint64_t vcn_v5_0_0_unified_ring_get_rptr(struct amdgpu_ring *ring)
1136 {
1137 	struct amdgpu_device *adev = ring->adev;
1138 
1139 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1140 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1141 
1142 	return RREG32_SOC15(VCN, ring->me, regUVD_RB_RPTR);
1143 }
1144 
1145 /**
1146  * vcn_v5_0_0_unified_ring_get_wptr - get unified write pointer
1147  *
1148  * @ring: amdgpu_ring pointer
1149  *
1150  * Returns the current hardware unified write pointer
1151  */
1152 static uint64_t vcn_v5_0_0_unified_ring_get_wptr(struct amdgpu_ring *ring)
1153 {
1154 	struct amdgpu_device *adev = ring->adev;
1155 
1156 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1157 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1158 
1159 	if (ring->use_doorbell)
1160 		return *ring->wptr_cpu_addr;
1161 	else
1162 		return RREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR);
1163 }
1164 
1165 /**
1166  * vcn_v5_0_0_unified_ring_set_wptr - set enc write pointer
1167  *
1168  * @ring: amdgpu_ring pointer
1169  *
1170  * Commits the enc write pointer to the hardware
1171  */
1172 static void vcn_v5_0_0_unified_ring_set_wptr(struct amdgpu_ring *ring)
1173 {
1174 	struct amdgpu_device *adev = ring->adev;
1175 
1176 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1177 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1178 
1179 	if (ring->use_doorbell) {
1180 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1181 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1182 	} else {
1183 		WREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR, lower_32_bits(ring->wptr));
1184 	}
1185 }
1186 
1187 static int vcn_v5_0_0_ring_reset(struct amdgpu_ring *ring,
1188 				 unsigned int vmid,
1189 				 struct amdgpu_fence *timedout_fence)
1190 {
1191 	struct amdgpu_device *adev = ring->adev;
1192 	struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[ring->me];
1193 	int r;
1194 
1195 	amdgpu_ring_reset_helper_begin(ring, timedout_fence);
1196 	r = vcn_v5_0_0_stop(vinst);
1197 	if (r)
1198 		return r;
1199 	r = vcn_v5_0_0_start(vinst);
1200 	if (r)
1201 		return r;
1202 	return amdgpu_ring_reset_helper_end(ring, timedout_fence);
1203 }
1204 
1205 static const struct amdgpu_ring_funcs vcn_v5_0_0_unified_ring_vm_funcs = {
1206 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1207 	.align_mask = 0x3f,
1208 	.nop = VCN_ENC_CMD_NO_OP,
1209 	.get_rptr = vcn_v5_0_0_unified_ring_get_rptr,
1210 	.get_wptr = vcn_v5_0_0_unified_ring_get_wptr,
1211 	.set_wptr = vcn_v5_0_0_unified_ring_set_wptr,
1212 	.emit_frame_size =
1213 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1214 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1215 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1216 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1217 		1, /* vcn_v2_0_enc_ring_insert_end */
1218 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1219 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1220 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1221 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1222 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1223 	.test_ib = amdgpu_vcn_unified_ring_test_ib,
1224 	.insert_nop = amdgpu_ring_insert_nop,
1225 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1226 	.pad_ib = amdgpu_ring_generic_pad_ib,
1227 	.begin_use = amdgpu_vcn_ring_begin_use,
1228 	.end_use = amdgpu_vcn_ring_end_use,
1229 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1230 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1231 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1232 	.reset = vcn_v5_0_0_ring_reset,
1233 };
1234 
1235 /**
1236  * vcn_v5_0_0_set_unified_ring_funcs - set unified ring functions
1237  *
1238  * @adev: amdgpu_device pointer
1239  *
1240  * Set unified ring functions
1241  */
1242 static void vcn_v5_0_0_set_unified_ring_funcs(struct amdgpu_device *adev)
1243 {
1244 	int i;
1245 
1246 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1247 		if (adev->vcn.harvest_config & (1 << i))
1248 			continue;
1249 
1250 		adev->vcn.inst[i].ring_enc[0].funcs = &vcn_v5_0_0_unified_ring_vm_funcs;
1251 		adev->vcn.inst[i].ring_enc[0].me = i;
1252 	}
1253 }
1254 
1255 /**
1256  * vcn_v5_0_0_is_idle - check VCN block is idle
1257  *
1258  * @ip_block: Pointer to the amdgpu_ip_block structure
1259  *
1260  * Check whether VCN block is idle
1261  */
1262 static bool vcn_v5_0_0_is_idle(struct amdgpu_ip_block *ip_block)
1263 {
1264 	struct amdgpu_device *adev = ip_block->adev;
1265 	int i, ret = 1;
1266 
1267 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1268 		if (adev->vcn.harvest_config & (1 << i))
1269 			continue;
1270 
1271 		ret &= (RREG32_SOC15(VCN, i, regUVD_STATUS) == UVD_STATUS__IDLE);
1272 	}
1273 
1274 	return ret;
1275 }
1276 
1277 /**
1278  * vcn_v5_0_0_wait_for_idle - wait for VCN block idle
1279  *
1280  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
1281  *
1282  * Wait for VCN block idle
1283  */
1284 static int vcn_v5_0_0_wait_for_idle(struct amdgpu_ip_block *ip_block)
1285 {
1286 	struct amdgpu_device *adev = ip_block->adev;
1287 	int i, ret = 0;
1288 
1289 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1290 		if (adev->vcn.harvest_config & (1 << i))
1291 			continue;
1292 
1293 		ret = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE,
1294 			UVD_STATUS__IDLE);
1295 		if (ret)
1296 			return ret;
1297 	}
1298 
1299 	return ret;
1300 }
1301 
1302 /**
1303  * vcn_v5_0_0_set_clockgating_state - set VCN block clockgating state
1304  *
1305  * @ip_block: amdgpu_ip_block pointer
1306  * @state: clock gating state
1307  *
1308  * Set VCN block clockgating state
1309  */
1310 static int vcn_v5_0_0_set_clockgating_state(struct amdgpu_ip_block *ip_block,
1311 					  enum amd_clockgating_state state)
1312 {
1313 	struct amdgpu_device *adev = ip_block->adev;
1314 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
1315 	int i;
1316 
1317 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1318 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
1319 
1320 		if (adev->vcn.harvest_config & (1 << i))
1321 			continue;
1322 
1323 		if (enable) {
1324 			if (RREG32_SOC15(VCN, i, regUVD_STATUS) != UVD_STATUS__IDLE)
1325 				return -EBUSY;
1326 			vcn_v5_0_0_enable_clock_gating(vinst);
1327 		} else {
1328 			vcn_v5_0_0_disable_clock_gating(vinst);
1329 		}
1330 	}
1331 
1332 	return 0;
1333 }
1334 
1335 static int vcn_v5_0_0_set_pg_state(struct amdgpu_vcn_inst *vinst,
1336 				   enum amd_powergating_state state)
1337 {
1338 	int ret = 0;
1339 
1340 	if (state == vinst->cur_state)
1341 		return 0;
1342 
1343 	if (state == AMD_PG_STATE_GATE)
1344 		ret = vcn_v5_0_0_stop(vinst);
1345 	else
1346 		ret = vcn_v5_0_0_start(vinst);
1347 
1348 	if (!ret)
1349 		vinst->cur_state = state;
1350 
1351 	return ret;
1352 }
1353 
1354 /**
1355  * vcn_v5_0_0_process_interrupt - process VCN block interrupt
1356  *
1357  * @adev: amdgpu_device pointer
1358  * @source: interrupt sources
1359  * @entry: interrupt entry from clients and sources
1360  *
1361  * Process VCN block interrupt
1362  */
1363 static int vcn_v5_0_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
1364 	struct amdgpu_iv_entry *entry)
1365 {
1366 	uint32_t ip_instance;
1367 
1368 	switch (entry->client_id) {
1369 	case SOC15_IH_CLIENTID_VCN:
1370 		ip_instance = 0;
1371 		break;
1372 	case SOC15_IH_CLIENTID_VCN1:
1373 		ip_instance = 1;
1374 		break;
1375 	default:
1376 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
1377 		return 0;
1378 	}
1379 
1380 	DRM_DEBUG("IH: VCN TRAP\n");
1381 
1382 	switch (entry->src_id) {
1383 	case VCN_5_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1384 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
1385 		break;
1386 	case VCN_5_0__SRCID_UVD_POISON:
1387 		amdgpu_vcn_process_poison_irq(adev, source, entry);
1388 		break;
1389 	default:
1390 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1391 			  entry->src_id, entry->src_data[0]);
1392 		break;
1393 	}
1394 
1395 	return 0;
1396 }
1397 
1398 static const struct amdgpu_irq_src_funcs vcn_v5_0_0_irq_funcs = {
1399 	.process = vcn_v5_0_0_process_interrupt,
1400 };
1401 
1402 /**
1403  * vcn_v5_0_0_set_irq_funcs - set VCN block interrupt irq functions
1404  *
1405  * @adev: amdgpu_device pointer
1406  *
1407  * Set VCN block interrupt irq functions
1408  */
1409 static void vcn_v5_0_0_set_irq_funcs(struct amdgpu_device *adev)
1410 {
1411 	int i;
1412 
1413 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1414 		if (adev->vcn.harvest_config & (1 << i))
1415 			continue;
1416 
1417 		adev->vcn.inst[i].irq.num_types = adev->vcn.inst[i].num_enc_rings + 1;
1418 		adev->vcn.inst[i].irq.funcs = &vcn_v5_0_0_irq_funcs;
1419 	}
1420 }
1421 
1422 static const struct amd_ip_funcs vcn_v5_0_0_ip_funcs = {
1423 	.name = "vcn_v5_0_0",
1424 	.early_init = vcn_v5_0_0_early_init,
1425 	.sw_init = vcn_v5_0_0_sw_init,
1426 	.sw_fini = vcn_v5_0_0_sw_fini,
1427 	.hw_init = vcn_v5_0_0_hw_init,
1428 	.hw_fini = vcn_v5_0_0_hw_fini,
1429 	.suspend = vcn_v5_0_0_suspend,
1430 	.resume = vcn_v5_0_0_resume,
1431 	.is_idle = vcn_v5_0_0_is_idle,
1432 	.wait_for_idle = vcn_v5_0_0_wait_for_idle,
1433 	.set_clockgating_state = vcn_v5_0_0_set_clockgating_state,
1434 	.set_powergating_state = vcn_set_powergating_state,
1435 	.dump_ip_state = amdgpu_vcn_dump_ip_state,
1436 	.print_ip_state = amdgpu_vcn_print_ip_state,
1437 };
1438 
1439 const struct amdgpu_ip_block_version vcn_v5_0_0_ip_block = {
1440 	.type = AMD_IP_BLOCK_TYPE_VCN,
1441 	.major = 5,
1442 	.minor = 0,
1443 	.rev = 0,
1444 	.funcs = &vcn_v5_0_0_ip_funcs,
1445 };
1446