xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c (revision f694f30e81c4ade358eb8c75273bac1a48f0cb8f)
1 /*
2  * Copyright 2019 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 #include <drm/drm_drv.h>
26 
27 #include "amdgpu.h"
28 #include "amdgpu_vcn.h"
29 #include "amdgpu_pm.h"
30 #include "soc15.h"
31 #include "soc15d.h"
32 #include "vcn_v2_0.h"
33 #include "mmsch_v1_0.h"
34 #include "vcn_v2_5.h"
35 
36 #include "vcn/vcn_2_5_offset.h"
37 #include "vcn/vcn_2_5_sh_mask.h"
38 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
39 
40 #define VCN_VID_SOC_ADDRESS_2_0					0x1fa00
41 #define VCN1_VID_SOC_ADDRESS_3_0				0x48200
42 
43 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
44 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
45 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
46 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
47 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
48 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
49 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
50 
51 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
52 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
53 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x3b5
54 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
55 
56 #define VCN25_MAX_HW_INSTANCES_ARCTURUS			2
57 
58 static const struct amdgpu_hwip_reg_entry vcn_reg_list_2_5[] = {
59 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_POWER_STATUS),
60 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_POWER_STATUS),
61 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_STATUS),
62 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_CONTEXT_ID),
63 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_CONTEXT_ID2),
64 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_DATA0),
65 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_DATA1),
66 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_CMD),
67 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI),
68 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO),
69 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI2),
70 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO2),
71 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI3),
72 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO3),
73 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI4),
74 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO4),
75 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR),
76 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR),
77 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR2),
78 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR2),
79 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR3),
80 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR3),
81 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR4),
82 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR4),
83 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE),
84 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE2),
85 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE3),
86 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE4),
87 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_PGFSM_CONFIG),
88 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_PGFSM_STATUS),
89 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_CTL),
90 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_DATA),
91 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_MASK),
92 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_PAUSE)
93 };
94 
95 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev);
96 static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev);
97 static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev);
98 static int vcn_v2_5_set_pg_state(struct amdgpu_vcn_inst *vinst,
99 				 enum amd_powergating_state state);
100 static int vcn_v2_5_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
101 				   struct dpg_pause_state *new_state);
102 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev);
103 static void vcn_v2_5_set_ras_funcs(struct amdgpu_device *adev);
104 
105 static int amdgpu_ih_clientid_vcns[] = {
106 	SOC15_IH_CLIENTID_VCN,
107 	SOC15_IH_CLIENTID_VCN1
108 };
109 
110 static void vcn_v2_5_idle_work_handler(struct work_struct *work)
111 {
112 	struct amdgpu_vcn_inst *vcn_inst =
113 		container_of(work, struct amdgpu_vcn_inst, idle_work.work);
114 	struct amdgpu_device *adev = vcn_inst->adev;
115 	unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
116 	unsigned int i, j;
117 	int r = 0;
118 
119 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
120 		struct amdgpu_vcn_inst *v = &adev->vcn.inst[i];
121 
122 		if (adev->vcn.harvest_config & (1 << i))
123 			continue;
124 
125 		for (j = 0; j < v->num_enc_rings; ++j)
126 			fence[i] += amdgpu_fence_count_emitted(&v->ring_enc[j]);
127 
128 		/* Only set DPG pause for VCN3 or below, VCN4 and above will be handled by FW */
129 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
130 		    !v->using_unified_queue) {
131 			struct dpg_pause_state new_state;
132 
133 			if (fence[i] ||
134 			    unlikely(atomic_read(&v->dpg_enc_submission_cnt)))
135 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
136 			else
137 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
138 
139 			v->pause_dpg_mode(v, &new_state);
140 		}
141 
142 		fence[i] += amdgpu_fence_count_emitted(&v->ring_dec);
143 		fences += fence[i];
144 
145 	}
146 
147 	if (!fences && !atomic_read(&adev->vcn.inst[0].total_submission_cnt)) {
148 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
149 						       AMD_PG_STATE_GATE);
150 		mutex_lock(&adev->vcn.workload_profile_mutex);
151 		if (adev->vcn.workload_profile_active) {
152 			r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
153 							    false);
154 			if (r)
155 				dev_warn(adev->dev, "(%d) failed to disable video power profile mode\n", r);
156 			adev->vcn.workload_profile_active = false;
157 		}
158 		mutex_unlock(&adev->vcn.workload_profile_mutex);
159 	} else {
160 		schedule_delayed_work(&adev->vcn.inst[0].idle_work, VCN_IDLE_TIMEOUT);
161 	}
162 }
163 
164 static void vcn_v2_5_ring_begin_use(struct amdgpu_ring *ring)
165 {
166 	struct amdgpu_device *adev = ring->adev;
167 	struct amdgpu_vcn_inst *v = &adev->vcn.inst[ring->me];
168 	int r = 0;
169 
170 	atomic_inc(&adev->vcn.inst[0].total_submission_cnt);
171 
172 	cancel_delayed_work_sync(&adev->vcn.inst[0].idle_work);
173 
174 	/* We can safely return early here because we've cancelled the
175 	 * the delayed work so there is no one else to set it to false
176 	 * and we don't care if someone else sets it to true.
177 	 */
178 	if (adev->vcn.workload_profile_active)
179 		goto pg_lock;
180 
181 	mutex_lock(&adev->vcn.workload_profile_mutex);
182 	if (!adev->vcn.workload_profile_active) {
183 		r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
184 						    true);
185 		if (r)
186 			dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r);
187 		adev->vcn.workload_profile_active = true;
188 	}
189 	mutex_unlock(&adev->vcn.workload_profile_mutex);
190 
191 pg_lock:
192 	mutex_lock(&adev->vcn.inst[0].vcn_pg_lock);
193 	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
194 					       AMD_PG_STATE_UNGATE);
195 
196 	/* Only set DPG pause for VCN3 or below, VCN4 and above will be handled by FW */
197 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
198 	    !v->using_unified_queue) {
199 		struct dpg_pause_state new_state;
200 
201 		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
202 			atomic_inc(&v->dpg_enc_submission_cnt);
203 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
204 		} else {
205 			unsigned int fences = 0;
206 			unsigned int i;
207 
208 			for (i = 0; i < v->num_enc_rings; ++i)
209 				fences += amdgpu_fence_count_emitted(&v->ring_enc[i]);
210 
211 			if (fences || atomic_read(&v->dpg_enc_submission_cnt))
212 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
213 			else
214 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
215 		}
216 		v->pause_dpg_mode(v, &new_state);
217 	}
218 	mutex_unlock(&adev->vcn.inst[0].vcn_pg_lock);
219 }
220 
221 static void vcn_v2_5_ring_end_use(struct amdgpu_ring *ring)
222 {
223 	struct amdgpu_device *adev = ring->adev;
224 
225 	/* Only set DPG pause for VCN3 or below, VCN4 and above will be handled by FW */
226 	if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
227 	    ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC &&
228 	    !adev->vcn.inst[ring->me].using_unified_queue)
229 		atomic_dec(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
230 
231 	atomic_dec(&adev->vcn.inst[0].total_submission_cnt);
232 
233 	schedule_delayed_work(&adev->vcn.inst[0].idle_work,
234 			      VCN_IDLE_TIMEOUT);
235 }
236 
237 /**
238  * vcn_v2_5_early_init - set function pointers and load microcode
239  *
240  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
241  *
242  * Set ring and irq function pointers
243  * Load microcode from filesystem
244  */
245 static int vcn_v2_5_early_init(struct amdgpu_ip_block *ip_block)
246 {
247 	struct amdgpu_device *adev = ip_block->adev;
248 	int i, r;
249 
250 	if (amdgpu_sriov_vf(adev)) {
251 		adev->vcn.num_vcn_inst = 2;
252 		adev->vcn.harvest_config = 0;
253 		for (i = 0; i < adev->vcn.num_vcn_inst; i++)
254 			adev->vcn.inst[i].num_enc_rings = 1;
255 	} else {
256 		u32 harvest;
257 		int i;
258 
259 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
260 			harvest = RREG32_SOC15(VCN, i, mmCC_UVD_HARVESTING);
261 			if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
262 				adev->vcn.harvest_config |= 1 << i;
263 			adev->vcn.inst[i].num_enc_rings = 2;
264 		}
265 		if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
266 						 AMDGPU_VCN_HARVEST_VCN1))
267 			/* both instances are harvested, disable the block */
268 			return -ENOENT;
269 	}
270 
271 	vcn_v2_5_set_dec_ring_funcs(adev);
272 	vcn_v2_5_set_enc_ring_funcs(adev);
273 	vcn_v2_5_set_irq_funcs(adev);
274 	vcn_v2_5_set_ras_funcs(adev);
275 
276 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
277 		adev->vcn.inst[i].set_pg_state = vcn_v2_5_set_pg_state;
278 
279 		r = amdgpu_vcn_early_init(adev, i);
280 		if (r)
281 			return r;
282 	}
283 
284 	return 0;
285 }
286 
287 /**
288  * vcn_v2_5_sw_init - sw init for VCN block
289  *
290  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
291  *
292  * Load firmware and sw initialization
293  */
294 static int vcn_v2_5_sw_init(struct amdgpu_ip_block *ip_block)
295 {
296 	struct amdgpu_ring *ring;
297 	int i, j, r;
298 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_2_5);
299 	uint32_t *ptr;
300 	struct amdgpu_device *adev = ip_block->adev;
301 
302 	for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
303 		volatile struct amdgpu_fw_shared *fw_shared;
304 
305 		if (adev->vcn.harvest_config & (1 << j))
306 			continue;
307 		/* VCN DEC TRAP */
308 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
309 				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[j].irq);
310 		if (r)
311 			return r;
312 
313 		/* VCN ENC TRAP */
314 		for (i = 0; i < adev->vcn.inst[j].num_enc_rings; ++i) {
315 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
316 				i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[j].irq);
317 			if (r)
318 				return r;
319 		}
320 
321 		/* VCN POISON TRAP */
322 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
323 			VCN_2_6__SRCID_UVD_POISON, &adev->vcn.inst[j].ras_poison_irq);
324 		if (r)
325 			return r;
326 
327 		r = amdgpu_vcn_sw_init(adev, j);
328 		if (r)
329 			return r;
330 
331 		/* Override the work func */
332 		adev->vcn.inst[j].idle_work.work.func = vcn_v2_5_idle_work_handler;
333 
334 		amdgpu_vcn_setup_ucode(adev, j);
335 
336 		r = amdgpu_vcn_resume(adev, j);
337 		if (r)
338 			return r;
339 
340 		adev->vcn.inst[j].internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
341 		adev->vcn.inst[j].internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
342 		adev->vcn.inst[j].internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
343 		adev->vcn.inst[j].internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
344 		adev->vcn.inst[j].internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
345 		adev->vcn.inst[j].internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
346 
347 		adev->vcn.inst[j].internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
348 		adev->vcn.inst[j].external.scratch9 = SOC15_REG_OFFSET(VCN, j, mmUVD_SCRATCH9);
349 		adev->vcn.inst[j].internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
350 		adev->vcn.inst[j].external.data0 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA0);
351 		adev->vcn.inst[j].internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
352 		adev->vcn.inst[j].external.data1 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA1);
353 		adev->vcn.inst[j].internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
354 		adev->vcn.inst[j].external.cmd = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_CMD);
355 		adev->vcn.inst[j].internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
356 		adev->vcn.inst[j].external.nop = SOC15_REG_OFFSET(VCN, j, mmUVD_NO_OP);
357 
358 		ring = &adev->vcn.inst[j].ring_dec;
359 		ring->use_doorbell = true;
360 
361 		ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
362 				(amdgpu_sriov_vf(adev) ? 2*j : 8*j);
363 
364 		if (amdgpu_ip_version(adev, UVD_HWIP, 0) == IP_VERSION(2, 5, 0))
365 			ring->vm_hub = AMDGPU_MMHUB1(0);
366 		else
367 			ring->vm_hub = AMDGPU_MMHUB0(0);
368 
369 		sprintf(ring->name, "vcn_dec_%d", j);
370 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq,
371 				     0, AMDGPU_RING_PRIO_DEFAULT, NULL);
372 		if (r)
373 			return r;
374 
375 		for (i = 0; i < adev->vcn.inst[j].num_enc_rings; ++i) {
376 			enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(i);
377 
378 			ring = &adev->vcn.inst[j].ring_enc[i];
379 			ring->use_doorbell = true;
380 
381 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
382 					(amdgpu_sriov_vf(adev) ? (1 + i + 2*j) : (2 + i + 8*j));
383 
384 			if (amdgpu_ip_version(adev, UVD_HWIP, 0) ==
385 			    IP_VERSION(2, 5, 0))
386 				ring->vm_hub = AMDGPU_MMHUB1(0);
387 			else
388 				ring->vm_hub = AMDGPU_MMHUB0(0);
389 
390 			sprintf(ring->name, "vcn_enc_%d.%d", j, i);
391 			r = amdgpu_ring_init(adev, ring, 512,
392 					     &adev->vcn.inst[j].irq, 0,
393 					     hw_prio, NULL);
394 			if (r)
395 				return r;
396 		}
397 
398 		fw_shared = adev->vcn.inst[j].fw_shared.cpu_addr;
399 		fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
400 
401 		if (amdgpu_vcnfw_log)
402 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
403 
404 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
405 			adev->vcn.inst[j].pause_dpg_mode = vcn_v2_5_pause_dpg_mode;
406 	}
407 
408 	if (amdgpu_sriov_vf(adev)) {
409 		r = amdgpu_virt_alloc_mm_table(adev);
410 		if (r)
411 			return r;
412 	}
413 
414 	r = amdgpu_vcn_ras_sw_init(adev);
415 	if (r)
416 		return r;
417 
418 	/* Allocate memory for VCN IP Dump buffer */
419 	ptr = kcalloc(adev->vcn.num_vcn_inst * reg_count, sizeof(uint32_t), GFP_KERNEL);
420 	if (!ptr) {
421 		DRM_ERROR("Failed to allocate memory for VCN IP Dump\n");
422 		adev->vcn.ip_dump = NULL;
423 	} else {
424 		adev->vcn.ip_dump = ptr;
425 	}
426 
427 	return 0;
428 }
429 
430 /**
431  * vcn_v2_5_sw_fini - sw fini for VCN block
432  *
433  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
434  *
435  * VCN suspend and free up sw allocation
436  */
437 static int vcn_v2_5_sw_fini(struct amdgpu_ip_block *ip_block)
438 {
439 	int i, r, idx;
440 	struct amdgpu_device *adev = ip_block->adev;
441 	volatile struct amdgpu_fw_shared *fw_shared;
442 
443 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
444 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
445 			if (adev->vcn.harvest_config & (1 << i))
446 				continue;
447 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
448 			fw_shared->present_flag_0 = 0;
449 		}
450 		drm_dev_exit(idx);
451 	}
452 
453 
454 	if (amdgpu_sriov_vf(adev))
455 		amdgpu_virt_free_mm_table(adev);
456 
457 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
458 		r = amdgpu_vcn_suspend(adev, i);
459 		if (r)
460 			return r;
461 		r = amdgpu_vcn_sw_fini(adev, i);
462 		if (r)
463 			return r;
464 	}
465 
466 	kfree(adev->vcn.ip_dump);
467 
468 	return 0;
469 }
470 
471 /**
472  * vcn_v2_5_hw_init - start and test VCN block
473  *
474  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
475  *
476  * Initialize the hardware, boot up the VCPU and do some testing
477  */
478 static int vcn_v2_5_hw_init(struct amdgpu_ip_block *ip_block)
479 {
480 	struct amdgpu_device *adev = ip_block->adev;
481 	struct amdgpu_ring *ring;
482 	int i, j, r = 0;
483 
484 	if (amdgpu_sriov_vf(adev))
485 		r = vcn_v2_5_sriov_start(adev);
486 
487 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
488 		if (adev->vcn.harvest_config & (1 << j))
489 			continue;
490 
491 		if (amdgpu_sriov_vf(adev)) {
492 			adev->vcn.inst[j].ring_enc[0].sched.ready = true;
493 			adev->vcn.inst[j].ring_enc[1].sched.ready = false;
494 			adev->vcn.inst[j].ring_enc[2].sched.ready = false;
495 			adev->vcn.inst[j].ring_dec.sched.ready = true;
496 		} else {
497 
498 			ring = &adev->vcn.inst[j].ring_dec;
499 
500 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
501 						     ring->doorbell_index, j);
502 
503 			r = amdgpu_ring_test_helper(ring);
504 			if (r)
505 				return r;
506 
507 			for (i = 0; i < adev->vcn.inst[j].num_enc_rings; ++i) {
508 				ring = &adev->vcn.inst[j].ring_enc[i];
509 				r = amdgpu_ring_test_helper(ring);
510 				if (r)
511 					return r;
512 			}
513 		}
514 	}
515 
516 	return r;
517 }
518 
519 /**
520  * vcn_v2_5_hw_fini - stop the hardware block
521  *
522  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
523  *
524  * Stop the VCN block, mark ring as not ready any more
525  */
526 static int vcn_v2_5_hw_fini(struct amdgpu_ip_block *ip_block)
527 {
528 	struct amdgpu_device *adev = ip_block->adev;
529 	int i;
530 
531 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
532 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
533 
534 		if (adev->vcn.harvest_config & (1 << i))
535 			continue;
536 
537 		cancel_delayed_work_sync(&vinst->idle_work);
538 
539 		if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
540 		    (vinst->cur_state != AMD_PG_STATE_GATE &&
541 		     RREG32_SOC15(VCN, i, mmUVD_STATUS)))
542 			vinst->set_pg_state(vinst, AMD_PG_STATE_GATE);
543 
544 		if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__VCN))
545 			amdgpu_irq_put(adev, &vinst->ras_poison_irq, 0);
546 	}
547 
548 	return 0;
549 }
550 
551 /**
552  * vcn_v2_5_suspend - suspend VCN block
553  *
554  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
555  *
556  * HW fini and suspend VCN block
557  */
558 static int vcn_v2_5_suspend(struct amdgpu_ip_block *ip_block)
559 {
560 	struct amdgpu_device *adev = ip_block->adev;
561 	int r, i;
562 
563 	r = vcn_v2_5_hw_fini(ip_block);
564 	if (r)
565 		return r;
566 
567 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
568 		r = amdgpu_vcn_suspend(ip_block->adev, i);
569 		if (r)
570 			return r;
571 	}
572 
573 	return 0;
574 }
575 
576 /**
577  * vcn_v2_5_resume - resume VCN block
578  *
579  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
580  *
581  * Resume firmware and hw init VCN block
582  */
583 static int vcn_v2_5_resume(struct amdgpu_ip_block *ip_block)
584 {
585 	struct amdgpu_device *adev = ip_block->adev;
586 	int r, i;
587 
588 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
589 		r = amdgpu_vcn_resume(ip_block->adev, i);
590 		if (r)
591 			return r;
592 	}
593 
594 	r = vcn_v2_5_hw_init(ip_block);
595 
596 	return r;
597 }
598 
599 /**
600  * vcn_v2_5_mc_resume - memory controller programming
601  *
602  * @vinst: VCN instance
603  *
604  * Let the VCN memory controller know it's offsets
605  */
606 static void vcn_v2_5_mc_resume(struct amdgpu_vcn_inst *vinst)
607 {
608 	struct amdgpu_device *adev = vinst->adev;
609 	int i = vinst->inst;
610 	uint32_t size;
611 	uint32_t offset;
612 
613 	if (adev->vcn.harvest_config & (1 << i))
614 		return;
615 
616 	size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[i].fw->size + 4);
617 	/* cache window 0: fw */
618 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
619 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
620 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo));
621 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
622 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi));
623 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0, 0);
624 		offset = 0;
625 	} else {
626 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
627 			     lower_32_bits(adev->vcn.inst[i].gpu_addr));
628 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
629 			     upper_32_bits(adev->vcn.inst[i].gpu_addr));
630 		offset = size;
631 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0,
632 			     AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
633 	}
634 	WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE0, size);
635 
636 	/* cache window 1: stack */
637 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
638 		     lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
639 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
640 		     upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
641 	WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET1, 0);
642 	WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
643 
644 	/* cache window 2: context */
645 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
646 		     lower_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
647 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
648 		     upper_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
649 	WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET2, 0);
650 	WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
651 
652 	/* non-cache window */
653 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
654 		     lower_32_bits(adev->vcn.inst[i].fw_shared.gpu_addr));
655 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
656 		     upper_32_bits(adev->vcn.inst[i].fw_shared.gpu_addr));
657 	WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
658 	WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_SIZE0,
659 		     AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
660 }
661 
662 static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_vcn_inst *vinst,
663 					bool indirect)
664 {
665 	struct amdgpu_device *adev = vinst->adev;
666 	int inst_idx = vinst->inst;
667 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[inst_idx].fw->size + 4);
668 	uint32_t offset;
669 
670 	/* cache window 0: fw */
671 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
672 		if (!indirect) {
673 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
674 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
675 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
676 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
677 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
678 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
679 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
680 				VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
681 		} else {
682 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
683 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
684 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
685 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
686 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
687 				VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
688 		}
689 		offset = 0;
690 	} else {
691 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
692 			VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
693 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
694 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
695 			VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
696 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
697 		offset = size;
698 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
699 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET0),
700 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
701 	}
702 
703 	if (!indirect)
704 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
705 			VCN, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
706 	else
707 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
708 			VCN, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
709 
710 	/* cache window 1: stack */
711 	if (!indirect) {
712 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
713 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
714 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
715 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
716 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
717 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
718 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
719 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
720 	} else {
721 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
722 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
723 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
724 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
725 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
726 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
727 	}
728 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
729 		VCN, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
730 
731 	/* cache window 2: context */
732 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
733 		VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
734 		lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
735 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
736 		VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
737 		upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
738 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
739 		VCN, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
740 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
741 		VCN, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
742 
743 	/* non-cache window */
744 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
745 		VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
746 		lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
747 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
748 		VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
749 		upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
750 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
751 		VCN, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
752 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
753 		VCN, 0, mmUVD_VCPU_NONCACHE_SIZE0),
754 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
755 
756 	/* VCN global tiling registers */
757 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
758 		VCN, 0, mmUVD_GFX8_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
759 }
760 
761 /**
762  * vcn_v2_5_disable_clock_gating - disable VCN clock gating
763  *
764  * @vinst: VCN instance
765  *
766  * Disable clock gating for VCN block
767  */
768 static void vcn_v2_5_disable_clock_gating(struct amdgpu_vcn_inst *vinst)
769 {
770 	struct amdgpu_device *adev = vinst->adev;
771 	int i = vinst->inst;
772 	uint32_t data;
773 
774 	if (adev->vcn.harvest_config & (1 << i))
775 		return;
776 	/* UVD disable CGC */
777 	data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
778 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
779 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
780 	else
781 		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
782 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
783 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
784 	WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
785 
786 	data = RREG32_SOC15(VCN, i, mmUVD_CGC_GATE);
787 	data &= ~(UVD_CGC_GATE__SYS_MASK
788 		  | UVD_CGC_GATE__UDEC_MASK
789 		  | UVD_CGC_GATE__MPEG2_MASK
790 		  | UVD_CGC_GATE__REGS_MASK
791 		  | UVD_CGC_GATE__RBC_MASK
792 		  | UVD_CGC_GATE__LMI_MC_MASK
793 		  | UVD_CGC_GATE__LMI_UMC_MASK
794 		  | UVD_CGC_GATE__IDCT_MASK
795 		  | UVD_CGC_GATE__MPRD_MASK
796 		  | UVD_CGC_GATE__MPC_MASK
797 		  | UVD_CGC_GATE__LBSI_MASK
798 		  | UVD_CGC_GATE__LRBBM_MASK
799 		  | UVD_CGC_GATE__UDEC_RE_MASK
800 		  | UVD_CGC_GATE__UDEC_CM_MASK
801 		  | UVD_CGC_GATE__UDEC_IT_MASK
802 		  | UVD_CGC_GATE__UDEC_DB_MASK
803 		  | UVD_CGC_GATE__UDEC_MP_MASK
804 		  | UVD_CGC_GATE__WCB_MASK
805 		  | UVD_CGC_GATE__VCPU_MASK
806 		  | UVD_CGC_GATE__MMSCH_MASK);
807 
808 	WREG32_SOC15(VCN, i, mmUVD_CGC_GATE, data);
809 
810 	SOC15_WAIT_ON_RREG(VCN, i, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
811 
812 	data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
813 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
814 		  | UVD_CGC_CTRL__UDEC_CM_MODE_MASK
815 		  | UVD_CGC_CTRL__UDEC_IT_MODE_MASK
816 		  | UVD_CGC_CTRL__UDEC_DB_MODE_MASK
817 		  | UVD_CGC_CTRL__UDEC_MP_MODE_MASK
818 		  | UVD_CGC_CTRL__SYS_MODE_MASK
819 		  | UVD_CGC_CTRL__UDEC_MODE_MASK
820 		  | UVD_CGC_CTRL__MPEG2_MODE_MASK
821 		  | UVD_CGC_CTRL__REGS_MODE_MASK
822 		  | UVD_CGC_CTRL__RBC_MODE_MASK
823 		  | UVD_CGC_CTRL__LMI_MC_MODE_MASK
824 		  | UVD_CGC_CTRL__LMI_UMC_MODE_MASK
825 		  | UVD_CGC_CTRL__IDCT_MODE_MASK
826 		  | UVD_CGC_CTRL__MPRD_MODE_MASK
827 		  | UVD_CGC_CTRL__MPC_MODE_MASK
828 		  | UVD_CGC_CTRL__LBSI_MODE_MASK
829 		  | UVD_CGC_CTRL__LRBBM_MODE_MASK
830 		  | UVD_CGC_CTRL__WCB_MODE_MASK
831 		  | UVD_CGC_CTRL__VCPU_MODE_MASK
832 		  | UVD_CGC_CTRL__MMSCH_MODE_MASK);
833 	WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
834 
835 	/* turn on */
836 	data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE);
837 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
838 		 | UVD_SUVD_CGC_GATE__SIT_MASK
839 		 | UVD_SUVD_CGC_GATE__SMP_MASK
840 		 | UVD_SUVD_CGC_GATE__SCM_MASK
841 		 | UVD_SUVD_CGC_GATE__SDB_MASK
842 		 | UVD_SUVD_CGC_GATE__SRE_H264_MASK
843 		 | UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
844 		 | UVD_SUVD_CGC_GATE__SIT_H264_MASK
845 		 | UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
846 		 | UVD_SUVD_CGC_GATE__SCM_H264_MASK
847 		 | UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
848 		 | UVD_SUVD_CGC_GATE__SDB_H264_MASK
849 		 | UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
850 		 | UVD_SUVD_CGC_GATE__SCLR_MASK
851 		 | UVD_SUVD_CGC_GATE__UVD_SC_MASK
852 		 | UVD_SUVD_CGC_GATE__ENT_MASK
853 		 | UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
854 		 | UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
855 		 | UVD_SUVD_CGC_GATE__SITE_MASK
856 		 | UVD_SUVD_CGC_GATE__SRE_VP9_MASK
857 		 | UVD_SUVD_CGC_GATE__SCM_VP9_MASK
858 		 | UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
859 		 | UVD_SUVD_CGC_GATE__SDB_VP9_MASK
860 		 | UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
861 	WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE, data);
862 
863 	data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
864 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
865 		  | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
866 		  | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
867 		  | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
868 		  | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
869 		  | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
870 		  | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
871 		  | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
872 			| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
873 		  | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
874 	WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
875 }
876 
877 static void vcn_v2_5_clock_gating_dpg_mode(struct amdgpu_vcn_inst *vinst,
878 		uint8_t sram_sel, uint8_t indirect)
879 {
880 	struct amdgpu_device *adev = vinst->adev;
881 	int inst_idx = vinst->inst;
882 	uint32_t reg_data = 0;
883 
884 	/* enable sw clock gating control */
885 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
886 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
887 	else
888 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
889 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
890 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
891 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
892 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
893 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
894 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
895 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
896 		 UVD_CGC_CTRL__SYS_MODE_MASK |
897 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
898 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
899 		 UVD_CGC_CTRL__REGS_MODE_MASK |
900 		 UVD_CGC_CTRL__RBC_MODE_MASK |
901 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
902 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
903 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
904 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
905 		 UVD_CGC_CTRL__MPC_MODE_MASK |
906 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
907 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
908 		 UVD_CGC_CTRL__WCB_MODE_MASK |
909 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
910 		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
911 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
912 		VCN, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
913 
914 	/* turn off clock gating */
915 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
916 		VCN, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
917 
918 	/* turn on SUVD clock gating */
919 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
920 		VCN, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
921 
922 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
923 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
924 		VCN, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
925 }
926 
927 /**
928  * vcn_v2_5_enable_clock_gating - enable VCN clock gating
929  *
930  * @vinst: VCN instance
931  *
932  * Enable clock gating for VCN block
933  */
934 static void vcn_v2_5_enable_clock_gating(struct amdgpu_vcn_inst *vinst)
935 {
936 	struct amdgpu_device *adev = vinst->adev;
937 	int i = vinst->inst;
938 	uint32_t data = 0;
939 
940 	if (adev->vcn.harvest_config & (1 << i))
941 		return;
942 	/* enable UVD CGC */
943 	data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
944 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
945 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
946 	else
947 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
948 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
949 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
950 	WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
951 
952 	data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
953 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
954 		 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK
955 		 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK
956 		 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK
957 		 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK
958 		 | UVD_CGC_CTRL__SYS_MODE_MASK
959 		 | UVD_CGC_CTRL__UDEC_MODE_MASK
960 		 | UVD_CGC_CTRL__MPEG2_MODE_MASK
961 		 | UVD_CGC_CTRL__REGS_MODE_MASK
962 		 | UVD_CGC_CTRL__RBC_MODE_MASK
963 		 | UVD_CGC_CTRL__LMI_MC_MODE_MASK
964 		 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK
965 		 | UVD_CGC_CTRL__IDCT_MODE_MASK
966 		 | UVD_CGC_CTRL__MPRD_MODE_MASK
967 		 | UVD_CGC_CTRL__MPC_MODE_MASK
968 		 | UVD_CGC_CTRL__LBSI_MODE_MASK
969 		 | UVD_CGC_CTRL__LRBBM_MODE_MASK
970 		 | UVD_CGC_CTRL__WCB_MODE_MASK
971 		 | UVD_CGC_CTRL__VCPU_MODE_MASK);
972 	WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
973 
974 	data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
975 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
976 		 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
977 		 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
978 		 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
979 		 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
980 		 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
981 		 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
982 		 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
983 		 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK
984 		 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
985 	WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
986 }
987 
988 static void vcn_v2_6_enable_ras(struct amdgpu_vcn_inst *vinst,
989 				bool indirect)
990 {
991 	struct amdgpu_device *adev = vinst->adev;
992 	int inst_idx = vinst->inst;
993 	uint32_t tmp;
994 
995 	if (amdgpu_ip_version(adev, UVD_HWIP, 0) != IP_VERSION(2, 6, 0))
996 		return;
997 
998 	tmp = VCN_RAS_CNTL__VCPU_VCODEC_REARM_MASK |
999 	      VCN_RAS_CNTL__VCPU_VCODEC_IH_EN_MASK |
1000 	      VCN_RAS_CNTL__VCPU_VCODEC_PMI_EN_MASK |
1001 	      VCN_RAS_CNTL__VCPU_VCODEC_STALL_EN_MASK;
1002 	WREG32_SOC15_DPG_MODE(inst_idx,
1003 			      SOC15_DPG_MODE_OFFSET(VCN, 0, mmVCN_RAS_CNTL),
1004 			      tmp, 0, indirect);
1005 
1006 	tmp = UVD_VCPU_INT_EN__RASCNTL_VCPU_VCODEC_EN_MASK;
1007 	WREG32_SOC15_DPG_MODE(inst_idx,
1008 			      SOC15_DPG_MODE_OFFSET(VCN, 0, mmUVD_VCPU_INT_EN),
1009 			      tmp, 0, indirect);
1010 
1011 	tmp = UVD_SYS_INT_EN__RASCNTL_VCPU_VCODEC_EN_MASK;
1012 	WREG32_SOC15_DPG_MODE(inst_idx,
1013 			      SOC15_DPG_MODE_OFFSET(VCN, 0, mmUVD_SYS_INT_EN),
1014 			      tmp, 0, indirect);
1015 }
1016 
1017 static int vcn_v2_5_start_dpg_mode(struct amdgpu_vcn_inst *vinst, bool indirect)
1018 {
1019 	struct amdgpu_device *adev = vinst->adev;
1020 	int inst_idx = vinst->inst;
1021 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
1022 	struct amdgpu_ring *ring;
1023 	uint32_t rb_bufsz, tmp;
1024 
1025 	/* disable register anti-hang mechanism */
1026 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
1027 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1028 	/* enable dynamic power gating mode */
1029 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
1030 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
1031 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
1032 	WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
1033 
1034 	if (indirect)
1035 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
1036 
1037 	/* enable clock gating */
1038 	vcn_v2_5_clock_gating_dpg_mode(vinst, 0, indirect);
1039 
1040 	/* enable VCPU clock */
1041 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1042 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1043 	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
1044 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1045 		VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1046 
1047 	/* disable master interupt */
1048 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1049 		VCN, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
1050 
1051 	/* setup mmUVD_LMI_CTRL */
1052 	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1053 		UVD_LMI_CTRL__REQ_MODE_MASK |
1054 		UVD_LMI_CTRL__CRC_RESET_MASK |
1055 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1056 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1057 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
1058 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
1059 		0x00100000L);
1060 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1061 		VCN, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
1062 
1063 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1064 		VCN, 0, mmUVD_MPC_CNTL),
1065 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
1066 
1067 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1068 		VCN, 0, mmUVD_MPC_SET_MUXA0),
1069 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1070 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1071 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1072 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
1073 
1074 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1075 		VCN, 0, mmUVD_MPC_SET_MUXB0),
1076 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1077 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1078 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1079 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
1080 
1081 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1082 		VCN, 0, mmUVD_MPC_SET_MUX),
1083 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1084 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1085 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
1086 
1087 	vcn_v2_5_mc_resume_dpg_mode(vinst, indirect);
1088 
1089 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1090 		VCN, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
1091 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1092 		VCN, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
1093 
1094 	/* enable LMI MC and UMC channels */
1095 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1096 		VCN, 0, mmUVD_LMI_CTRL2), 0, 0, indirect);
1097 
1098 	vcn_v2_6_enable_ras(vinst, indirect);
1099 
1100 	/* unblock VCPU register access */
1101 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1102 		VCN, 0, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
1103 
1104 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1105 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1106 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1107 		VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1108 
1109 	/* enable master interrupt */
1110 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1111 		VCN, 0, mmUVD_MASTINT_EN),
1112 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
1113 
1114 	if (indirect)
1115 		amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
1116 
1117 	ring = &adev->vcn.inst[inst_idx].ring_dec;
1118 	/* force RBC into idle state */
1119 	rb_bufsz = order_base_2(ring->ring_size);
1120 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1121 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1122 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1123 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1124 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1125 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
1126 
1127 	/* Stall DPG before WPTR/RPTR reset */
1128 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1129 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1130 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1131 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1132 
1133 	/* set the write pointer delay */
1134 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
1135 
1136 	/* set the wb address */
1137 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
1138 		(upper_32_bits(ring->gpu_addr) >> 2));
1139 
1140 	/* program the RB_BASE for ring buffer */
1141 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1142 		lower_32_bits(ring->gpu_addr));
1143 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1144 		upper_32_bits(ring->gpu_addr));
1145 
1146 	/* Initialize the ring buffer's read and write pointers */
1147 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
1148 
1149 	WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
1150 
1151 	ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
1152 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
1153 		lower_32_bits(ring->wptr));
1154 
1155 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1156 	/* Unstall DPG */
1157 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1158 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1159 
1160 	return 0;
1161 }
1162 
1163 static int vcn_v2_5_start(struct amdgpu_vcn_inst *vinst)
1164 {
1165 	struct amdgpu_device *adev = vinst->adev;
1166 	int i = vinst->inst;
1167 	volatile struct amdgpu_fw_shared *fw_shared =
1168 		adev->vcn.inst[i].fw_shared.cpu_addr;
1169 	struct amdgpu_ring *ring;
1170 	uint32_t rb_bufsz, tmp;
1171 	int j, k, r;
1172 
1173 	if (adev->vcn.harvest_config & (1 << i))
1174 		return 0;
1175 
1176 	if (adev->pm.dpm_enabled)
1177 		amdgpu_dpm_enable_vcn(adev, true, i);
1178 
1179 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1180 		return vcn_v2_5_start_dpg_mode(vinst, adev->vcn.inst[i].indirect_sram);
1181 
1182 	/* disable register anti-hang mechanism */
1183 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS), 0,
1184 		 ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1185 
1186 	/* set uvd status busy */
1187 	tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
1188 	WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
1189 
1190 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1191 		return 0;
1192 
1193 	/* SW clock gating */
1194 	vcn_v2_5_disable_clock_gating(vinst);
1195 
1196 	/* enable VCPU clock */
1197 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1198 		 UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1199 
1200 	/* disable master interrupt */
1201 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
1202 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1203 
1204 	/* setup mmUVD_LMI_CTRL */
1205 	tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
1206 	tmp &= ~0xff;
1207 	WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp | 0x8|
1208 		     UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
1209 		     UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1210 		     UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1211 		     UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1212 
1213 	/* setup mmUVD_MPC_CNTL */
1214 	tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
1215 	tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1216 	tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1217 	WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
1218 
1219 	/* setup UVD_MPC_SET_MUXA0 */
1220 	WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
1221 		     ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1222 		      (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1223 		      (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1224 		      (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1225 
1226 	/* setup UVD_MPC_SET_MUXB0 */
1227 	WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
1228 		     ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1229 		      (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1230 		      (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1231 		      (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1232 
1233 	/* setup mmUVD_MPC_SET_MUX */
1234 	WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
1235 		     ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1236 		      (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1237 		      (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1238 
1239 	vcn_v2_5_mc_resume(vinst);
1240 
1241 	/* VCN global tiling registers */
1242 	WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
1243 		     adev->gfx.config.gb_addr_config);
1244 	WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
1245 		     adev->gfx.config.gb_addr_config);
1246 
1247 	/* enable LMI MC and UMC channels */
1248 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
1249 		 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1250 
1251 	/* unblock VCPU register access */
1252 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
1253 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1254 
1255 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1256 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1257 
1258 	for (k = 0; k < 10; ++k) {
1259 		uint32_t status;
1260 
1261 		for (j = 0; j < 100; ++j) {
1262 			status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
1263 			if (status & 2)
1264 				break;
1265 			if (amdgpu_emu_mode == 1)
1266 				msleep(500);
1267 			else
1268 				mdelay(10);
1269 		}
1270 		r = 0;
1271 		if (status & 2)
1272 			break;
1273 
1274 		DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
1275 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1276 			 UVD_VCPU_CNTL__BLK_RST_MASK,
1277 			 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1278 		mdelay(10);
1279 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1280 			 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1281 
1282 		mdelay(10);
1283 		r = -1;
1284 	}
1285 
1286 	if (r) {
1287 		DRM_ERROR("VCN decode not responding, giving up!!!\n");
1288 		return r;
1289 	}
1290 
1291 	/* enable master interrupt */
1292 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
1293 		 UVD_MASTINT_EN__VCPU_EN_MASK,
1294 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1295 
1296 	/* clear the busy bit of VCN_STATUS */
1297 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
1298 		 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1299 
1300 	WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
1301 
1302 	ring = &adev->vcn.inst[i].ring_dec;
1303 	/* force RBC into idle state */
1304 	rb_bufsz = order_base_2(ring->ring_size);
1305 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1306 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1307 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1308 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1309 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1310 	WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
1311 
1312 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1313 	/* program the RB_BASE for ring buffer */
1314 	WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1315 		     lower_32_bits(ring->gpu_addr));
1316 	WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1317 		     upper_32_bits(ring->gpu_addr));
1318 
1319 	/* Initialize the ring buffer's read and write pointers */
1320 	WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
1321 
1322 	ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
1323 	WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
1324 		     lower_32_bits(ring->wptr));
1325 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1326 
1327 	fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1328 	ring = &adev->vcn.inst[i].ring_enc[0];
1329 	WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1330 	WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1331 	WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
1332 	WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1333 	WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
1334 	fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1335 
1336 	fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1337 	ring = &adev->vcn.inst[i].ring_enc[1];
1338 	WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1339 	WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1340 	WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1341 	WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1342 	WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
1343 	fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1344 
1345 	return 0;
1346 }
1347 
1348 static int vcn_v2_5_mmsch_start(struct amdgpu_device *adev,
1349 				struct amdgpu_mm_table *table)
1350 {
1351 	uint32_t data = 0, loop = 0, size = 0;
1352 	uint64_t addr = table->gpu_addr;
1353 	struct mmsch_v1_1_init_header *header = NULL;
1354 
1355 	header = (struct mmsch_v1_1_init_header *)table->cpu_addr;
1356 	size = header->total_size;
1357 
1358 	/*
1359 	 * 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of
1360 	 *  memory descriptor location
1361 	 */
1362 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
1363 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
1364 
1365 	/* 2, update vmid of descriptor */
1366 	data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
1367 	data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1368 	/* use domain0 for MM scheduler */
1369 	data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1370 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, data);
1371 
1372 	/* 3, notify mmsch about the size of this descriptor */
1373 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
1374 
1375 	/* 4, set resp to zero */
1376 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1377 
1378 	/*
1379 	 * 5, kick off the initialization and wait until
1380 	 * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
1381 	 */
1382 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
1383 
1384 	data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1385 	loop = 10;
1386 	while ((data & 0x10000002) != 0x10000002) {
1387 		udelay(100);
1388 		data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1389 		loop--;
1390 		if (!loop)
1391 			break;
1392 	}
1393 
1394 	if (!loop) {
1395 		dev_err(adev->dev,
1396 			"failed to init MMSCH, mmMMSCH_VF_MAILBOX_RESP = %x\n",
1397 			data);
1398 		return -EBUSY;
1399 	}
1400 
1401 	return 0;
1402 }
1403 
1404 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
1405 {
1406 	struct amdgpu_ring *ring;
1407 	uint32_t offset, size, tmp, i, rb_bufsz;
1408 	uint32_t table_size = 0;
1409 	struct mmsch_v1_0_cmd_direct_write direct_wt = { { 0 } };
1410 	struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { { 0 } };
1411 	struct mmsch_v1_0_cmd_end end = { { 0 } };
1412 	uint32_t *init_table = adev->virt.mm_table.cpu_addr;
1413 	struct mmsch_v1_1_init_header *header = (struct mmsch_v1_1_init_header *)init_table;
1414 
1415 	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
1416 	direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1417 	end.cmd_header.command_type = MMSCH_COMMAND__END;
1418 
1419 	header->version = MMSCH_VERSION;
1420 	header->total_size = sizeof(struct mmsch_v1_1_init_header) >> 2;
1421 	init_table += header->total_size;
1422 
1423 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1424 		header->eng[i].table_offset = header->total_size;
1425 		header->eng[i].init_status = 0;
1426 		header->eng[i].table_size = 0;
1427 
1428 		table_size = 0;
1429 
1430 		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(
1431 			SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS),
1432 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1433 
1434 		size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[i].fw->size + 4);
1435 		/* mc resume*/
1436 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1437 			MMSCH_V1_0_INSERT_DIRECT_WT(
1438 				SOC15_REG_OFFSET(VCN, i,
1439 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1440 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
1441 			MMSCH_V1_0_INSERT_DIRECT_WT(
1442 				SOC15_REG_OFFSET(VCN, i,
1443 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1444 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
1445 			offset = 0;
1446 			MMSCH_V1_0_INSERT_DIRECT_WT(
1447 				SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0), 0);
1448 		} else {
1449 			MMSCH_V1_0_INSERT_DIRECT_WT(
1450 				SOC15_REG_OFFSET(VCN, i,
1451 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1452 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1453 			MMSCH_V1_0_INSERT_DIRECT_WT(
1454 				SOC15_REG_OFFSET(VCN, i,
1455 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1456 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1457 			offset = size;
1458 			MMSCH_V1_0_INSERT_DIRECT_WT(
1459 				SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0),
1460 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1461 		}
1462 
1463 		MMSCH_V1_0_INSERT_DIRECT_WT(
1464 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE0),
1465 			size);
1466 		MMSCH_V1_0_INSERT_DIRECT_WT(
1467 			SOC15_REG_OFFSET(VCN, i,
1468 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1469 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
1470 		MMSCH_V1_0_INSERT_DIRECT_WT(
1471 			SOC15_REG_OFFSET(VCN, i,
1472 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1473 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
1474 		MMSCH_V1_0_INSERT_DIRECT_WT(
1475 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET1),
1476 			0);
1477 		MMSCH_V1_0_INSERT_DIRECT_WT(
1478 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE1),
1479 			AMDGPU_VCN_STACK_SIZE);
1480 		MMSCH_V1_0_INSERT_DIRECT_WT(
1481 			SOC15_REG_OFFSET(VCN, i,
1482 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1483 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset +
1484 				AMDGPU_VCN_STACK_SIZE));
1485 		MMSCH_V1_0_INSERT_DIRECT_WT(
1486 			SOC15_REG_OFFSET(VCN, i,
1487 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1488 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset +
1489 				AMDGPU_VCN_STACK_SIZE));
1490 		MMSCH_V1_0_INSERT_DIRECT_WT(
1491 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET2),
1492 			0);
1493 		MMSCH_V1_0_INSERT_DIRECT_WT(
1494 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE2),
1495 			AMDGPU_VCN_CONTEXT_SIZE);
1496 
1497 		ring = &adev->vcn.inst[i].ring_enc[0];
1498 		ring->wptr = 0;
1499 
1500 		MMSCH_V1_0_INSERT_DIRECT_WT(
1501 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_LO),
1502 			lower_32_bits(ring->gpu_addr));
1503 		MMSCH_V1_0_INSERT_DIRECT_WT(
1504 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_HI),
1505 			upper_32_bits(ring->gpu_addr));
1506 		MMSCH_V1_0_INSERT_DIRECT_WT(
1507 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_SIZE),
1508 			ring->ring_size / 4);
1509 
1510 		ring = &adev->vcn.inst[i].ring_dec;
1511 		ring->wptr = 0;
1512 		MMSCH_V1_0_INSERT_DIRECT_WT(
1513 			SOC15_REG_OFFSET(VCN, i,
1514 				mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1515 			lower_32_bits(ring->gpu_addr));
1516 		MMSCH_V1_0_INSERT_DIRECT_WT(
1517 			SOC15_REG_OFFSET(VCN, i,
1518 				mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1519 			upper_32_bits(ring->gpu_addr));
1520 
1521 		/* force RBC into idle state */
1522 		rb_bufsz = order_base_2(ring->ring_size);
1523 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1524 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1525 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1526 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1527 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1528 		MMSCH_V1_0_INSERT_DIRECT_WT(
1529 			SOC15_REG_OFFSET(VCN, i, mmUVD_RBC_RB_CNTL), tmp);
1530 
1531 		/* add end packet */
1532 		memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end));
1533 		table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4;
1534 		init_table += sizeof(struct mmsch_v1_0_cmd_end) / 4;
1535 
1536 		/* refine header */
1537 		header->eng[i].table_size = table_size;
1538 		header->total_size += table_size;
1539 	}
1540 
1541 	return vcn_v2_5_mmsch_start(adev, &adev->virt.mm_table);
1542 }
1543 
1544 static int vcn_v2_5_stop_dpg_mode(struct amdgpu_vcn_inst *vinst)
1545 {
1546 	struct amdgpu_device *adev = vinst->adev;
1547 	int inst_idx = vinst->inst;
1548 	uint32_t tmp;
1549 
1550 	/* Wait for power status to be 1 */
1551 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1552 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1553 
1554 	/* wait for read ptr to be equal to write ptr */
1555 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
1556 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1557 
1558 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
1559 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1560 
1561 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1562 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1563 
1564 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1565 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1566 
1567 	/* disable dynamic power gating mode */
1568 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
1569 			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1570 
1571 	return 0;
1572 }
1573 
1574 static int vcn_v2_5_stop(struct amdgpu_vcn_inst *vinst)
1575 {
1576 	struct amdgpu_device *adev = vinst->adev;
1577 	int i = vinst->inst;
1578 	uint32_t tmp;
1579 	int r;
1580 
1581 	if (adev->vcn.harvest_config & (1 << i))
1582 		return 0;
1583 
1584 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1585 		r = vcn_v2_5_stop_dpg_mode(vinst);
1586 		goto done;
1587 	}
1588 
1589 	/* wait for vcn idle */
1590 	r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1591 	if (r)
1592 		goto done;
1593 
1594 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1595 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1596 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1597 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1598 	r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1599 	if (r)
1600 		goto done;
1601 
1602 	/* block LMI UMC channel */
1603 	tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
1604 	tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1605 	WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
1606 
1607 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1608 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1609 	r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1610 	if (r)
1611 		goto done;
1612 
1613 	/* block VCPU register access */
1614 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
1615 		 UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1616 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1617 
1618 	/* reset VCPU */
1619 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1620 		 UVD_VCPU_CNTL__BLK_RST_MASK,
1621 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1622 
1623 	/* disable VCPU clock */
1624 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1625 		 ~(UVD_VCPU_CNTL__CLK_EN_MASK));
1626 
1627 	/* clear status */
1628 	WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
1629 
1630 	vcn_v2_5_enable_clock_gating(vinst);
1631 
1632 	/* enable register anti-hang mechanism */
1633 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS),
1634 		 UVD_POWER_STATUS__UVD_POWER_STATUS_MASK,
1635 		 ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1636 
1637 done:
1638 	if (adev->pm.dpm_enabled)
1639 		amdgpu_dpm_enable_vcn(adev, false, i);
1640 
1641 	return r;
1642 }
1643 
1644 static int vcn_v2_5_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
1645 				   struct dpg_pause_state *new_state)
1646 {
1647 	struct amdgpu_device *adev = vinst->adev;
1648 	int inst_idx = vinst->inst;
1649 	struct amdgpu_ring *ring;
1650 	uint32_t reg_data = 0;
1651 	int ret_code = 0;
1652 
1653 	/* pause/unpause if state is changed */
1654 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1655 		DRM_DEBUG("dpg pause state changed %d -> %d",
1656 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1657 		reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
1658 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1659 
1660 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1661 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1662 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1663 
1664 			if (!ret_code) {
1665 				volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
1666 
1667 				/* pause DPG */
1668 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1669 				WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1670 
1671 				/* wait for ACK */
1672 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
1673 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1674 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1675 
1676 				/* Stall DPG before WPTR/RPTR reset */
1677 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1678 					   UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1679 					   ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1680 
1681 				/* Restore */
1682 				fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1683 				ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1684 				ring->wptr = 0;
1685 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
1686 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1687 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
1688 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1689 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1690 				fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1691 
1692 				fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1693 				ring = &adev->vcn.inst[inst_idx].ring_enc[1];
1694 				ring->wptr = 0;
1695 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1696 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1697 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
1698 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1699 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1700 				fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1701 
1702 				/* Unstall DPG */
1703 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1704 					   0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1705 
1706 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
1707 					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1708 			}
1709 		} else {
1710 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1711 			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1712 			SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1713 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1714 		}
1715 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1716 	}
1717 
1718 	return 0;
1719 }
1720 
1721 /**
1722  * vcn_v2_5_dec_ring_get_rptr - get read pointer
1723  *
1724  * @ring: amdgpu_ring pointer
1725  *
1726  * Returns the current hardware read pointer
1727  */
1728 static uint64_t vcn_v2_5_dec_ring_get_rptr(struct amdgpu_ring *ring)
1729 {
1730 	struct amdgpu_device *adev = ring->adev;
1731 
1732 	return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
1733 }
1734 
1735 /**
1736  * vcn_v2_5_dec_ring_get_wptr - get write pointer
1737  *
1738  * @ring: amdgpu_ring pointer
1739  *
1740  * Returns the current hardware write pointer
1741  */
1742 static uint64_t vcn_v2_5_dec_ring_get_wptr(struct amdgpu_ring *ring)
1743 {
1744 	struct amdgpu_device *adev = ring->adev;
1745 
1746 	if (ring->use_doorbell)
1747 		return *ring->wptr_cpu_addr;
1748 	else
1749 		return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
1750 }
1751 
1752 /**
1753  * vcn_v2_5_dec_ring_set_wptr - set write pointer
1754  *
1755  * @ring: amdgpu_ring pointer
1756  *
1757  * Commits the write pointer to the hardware
1758  */
1759 static void vcn_v2_5_dec_ring_set_wptr(struct amdgpu_ring *ring)
1760 {
1761 	struct amdgpu_device *adev = ring->adev;
1762 
1763 	if (ring->use_doorbell) {
1764 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1765 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1766 	} else {
1767 		WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1768 	}
1769 }
1770 
1771 static const struct amdgpu_ring_funcs vcn_v2_5_dec_ring_vm_funcs = {
1772 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1773 	.align_mask = 0xf,
1774 	.secure_submission_supported = true,
1775 	.get_rptr = vcn_v2_5_dec_ring_get_rptr,
1776 	.get_wptr = vcn_v2_5_dec_ring_get_wptr,
1777 	.set_wptr = vcn_v2_5_dec_ring_set_wptr,
1778 	.emit_frame_size =
1779 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1780 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1781 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
1782 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
1783 		6,
1784 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
1785 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
1786 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
1787 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
1788 	.test_ring = vcn_v2_0_dec_ring_test_ring,
1789 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
1790 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
1791 	.insert_start = vcn_v2_0_dec_ring_insert_start,
1792 	.insert_end = vcn_v2_0_dec_ring_insert_end,
1793 	.pad_ib = amdgpu_ring_generic_pad_ib,
1794 	.begin_use = vcn_v2_5_ring_begin_use,
1795 	.end_use = vcn_v2_5_ring_end_use,
1796 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
1797 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
1798 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1799 };
1800 
1801 /**
1802  * vcn_v2_5_enc_ring_get_rptr - get enc read pointer
1803  *
1804  * @ring: amdgpu_ring pointer
1805  *
1806  * Returns the current hardware enc read pointer
1807  */
1808 static uint64_t vcn_v2_5_enc_ring_get_rptr(struct amdgpu_ring *ring)
1809 {
1810 	struct amdgpu_device *adev = ring->adev;
1811 
1812 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
1813 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
1814 	else
1815 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
1816 }
1817 
1818 /**
1819  * vcn_v2_5_enc_ring_get_wptr - get enc write pointer
1820  *
1821  * @ring: amdgpu_ring pointer
1822  *
1823  * Returns the current hardware enc write pointer
1824  */
1825 static uint64_t vcn_v2_5_enc_ring_get_wptr(struct amdgpu_ring *ring)
1826 {
1827 	struct amdgpu_device *adev = ring->adev;
1828 
1829 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1830 		if (ring->use_doorbell)
1831 			return *ring->wptr_cpu_addr;
1832 		else
1833 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
1834 	} else {
1835 		if (ring->use_doorbell)
1836 			return *ring->wptr_cpu_addr;
1837 		else
1838 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
1839 	}
1840 }
1841 
1842 /**
1843  * vcn_v2_5_enc_ring_set_wptr - set enc write pointer
1844  *
1845  * @ring: amdgpu_ring pointer
1846  *
1847  * Commits the enc write pointer to the hardware
1848  */
1849 static void vcn_v2_5_enc_ring_set_wptr(struct amdgpu_ring *ring)
1850 {
1851 	struct amdgpu_device *adev = ring->adev;
1852 
1853 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1854 		if (ring->use_doorbell) {
1855 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1856 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1857 		} else {
1858 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1859 		}
1860 	} else {
1861 		if (ring->use_doorbell) {
1862 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1863 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1864 		} else {
1865 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1866 		}
1867 	}
1868 }
1869 
1870 static const struct amdgpu_ring_funcs vcn_v2_5_enc_ring_vm_funcs = {
1871 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1872 	.align_mask = 0x3f,
1873 	.nop = VCN_ENC_CMD_NO_OP,
1874 	.get_rptr = vcn_v2_5_enc_ring_get_rptr,
1875 	.get_wptr = vcn_v2_5_enc_ring_get_wptr,
1876 	.set_wptr = vcn_v2_5_enc_ring_set_wptr,
1877 	.emit_frame_size =
1878 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1879 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1880 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1881 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1882 		1, /* vcn_v2_0_enc_ring_insert_end */
1883 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1884 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1885 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1886 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1887 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1888 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
1889 	.insert_nop = amdgpu_ring_insert_nop,
1890 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1891 	.pad_ib = amdgpu_ring_generic_pad_ib,
1892 	.begin_use = vcn_v2_5_ring_begin_use,
1893 	.end_use = vcn_v2_5_ring_end_use,
1894 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1895 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1896 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1897 };
1898 
1899 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev)
1900 {
1901 	int i;
1902 
1903 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1904 		if (adev->vcn.harvest_config & (1 << i))
1905 			continue;
1906 		adev->vcn.inst[i].ring_dec.funcs = &vcn_v2_5_dec_ring_vm_funcs;
1907 		adev->vcn.inst[i].ring_dec.me = i;
1908 	}
1909 }
1910 
1911 static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev)
1912 {
1913 	int i, j;
1914 
1915 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
1916 		if (adev->vcn.harvest_config & (1 << j))
1917 			continue;
1918 		for (i = 0; i < adev->vcn.inst[j].num_enc_rings; ++i) {
1919 			adev->vcn.inst[j].ring_enc[i].funcs = &vcn_v2_5_enc_ring_vm_funcs;
1920 			adev->vcn.inst[j].ring_enc[i].me = j;
1921 		}
1922 	}
1923 }
1924 
1925 static bool vcn_v2_5_is_idle(struct amdgpu_ip_block *ip_block)
1926 {
1927 	struct amdgpu_device *adev = ip_block->adev;
1928 	int i, ret = 1;
1929 
1930 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1931 		if (adev->vcn.harvest_config & (1 << i))
1932 			continue;
1933 
1934 		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
1935 	}
1936 
1937 	return ret;
1938 }
1939 
1940 static int vcn_v2_5_wait_for_idle(struct amdgpu_ip_block *ip_block)
1941 {
1942 	struct amdgpu_device *adev = ip_block->adev;
1943 	int i, ret = 0;
1944 
1945 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1946 		if (adev->vcn.harvest_config & (1 << i))
1947 			continue;
1948 		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
1949 			UVD_STATUS__IDLE);
1950 		if (ret)
1951 			return ret;
1952 	}
1953 
1954 	return ret;
1955 }
1956 
1957 static int vcn_v2_5_set_clockgating_state(struct amdgpu_ip_block *ip_block,
1958 					  enum amd_clockgating_state state)
1959 {
1960 	struct amdgpu_device *adev = ip_block->adev;
1961 	bool enable = (state == AMD_CG_STATE_GATE);
1962 	int i;
1963 
1964 	if (amdgpu_sriov_vf(adev))
1965 		return 0;
1966 
1967 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1968 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
1969 
1970 		if (enable) {
1971 			if (!vcn_v2_5_is_idle(ip_block))
1972 				return -EBUSY;
1973 			vcn_v2_5_enable_clock_gating(vinst);
1974 		} else {
1975 			vcn_v2_5_disable_clock_gating(vinst);
1976 		}
1977 	}
1978 
1979 	return 0;
1980 }
1981 
1982 static int vcn_v2_5_set_pg_state(struct amdgpu_vcn_inst *vinst,
1983 				 enum amd_powergating_state state)
1984 {
1985 	struct amdgpu_device *adev = vinst->adev;
1986 	int ret;
1987 
1988 	if (amdgpu_sriov_vf(adev))
1989 		return 0;
1990 
1991 	if (state == vinst->cur_state)
1992 		return 0;
1993 
1994 	if (state == AMD_PG_STATE_GATE)
1995 		ret = vcn_v2_5_stop(vinst);
1996 	else
1997 		ret = vcn_v2_5_start(vinst);
1998 
1999 	if (!ret)
2000 		vinst->cur_state = state;
2001 
2002 	return ret;
2003 }
2004 
2005 static int vcn_v2_5_set_interrupt_state(struct amdgpu_device *adev,
2006 					struct amdgpu_irq_src *source,
2007 					unsigned type,
2008 					enum amdgpu_interrupt_state state)
2009 {
2010 	return 0;
2011 }
2012 
2013 static int vcn_v2_6_set_ras_interrupt_state(struct amdgpu_device *adev,
2014 					struct amdgpu_irq_src *source,
2015 					unsigned int type,
2016 					enum amdgpu_interrupt_state state)
2017 {
2018 	return 0;
2019 }
2020 
2021 static int vcn_v2_5_process_interrupt(struct amdgpu_device *adev,
2022 				      struct amdgpu_irq_src *source,
2023 				      struct amdgpu_iv_entry *entry)
2024 {
2025 	uint32_t ip_instance;
2026 
2027 	switch (entry->client_id) {
2028 	case SOC15_IH_CLIENTID_VCN:
2029 		ip_instance = 0;
2030 		break;
2031 	case SOC15_IH_CLIENTID_VCN1:
2032 		ip_instance = 1;
2033 		break;
2034 	default:
2035 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
2036 		return 0;
2037 	}
2038 
2039 	DRM_DEBUG("IH: VCN TRAP\n");
2040 
2041 	switch (entry->src_id) {
2042 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
2043 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
2044 		break;
2045 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
2046 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
2047 		break;
2048 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
2049 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
2050 		break;
2051 	default:
2052 		DRM_ERROR("Unhandled interrupt: %d %d\n",
2053 			  entry->src_id, entry->src_data[0]);
2054 		break;
2055 	}
2056 
2057 	return 0;
2058 }
2059 
2060 static const struct amdgpu_irq_src_funcs vcn_v2_5_irq_funcs = {
2061 	.set = vcn_v2_5_set_interrupt_state,
2062 	.process = vcn_v2_5_process_interrupt,
2063 };
2064 
2065 static const struct amdgpu_irq_src_funcs vcn_v2_6_ras_irq_funcs = {
2066 	.set = vcn_v2_6_set_ras_interrupt_state,
2067 	.process = amdgpu_vcn_process_poison_irq,
2068 };
2069 
2070 static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev)
2071 {
2072 	int i;
2073 
2074 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2075 		if (adev->vcn.harvest_config & (1 << i))
2076 			continue;
2077 		adev->vcn.inst[i].irq.num_types = adev->vcn.inst[i].num_enc_rings + 1;
2078 		adev->vcn.inst[i].irq.funcs = &vcn_v2_5_irq_funcs;
2079 
2080 		adev->vcn.inst[i].ras_poison_irq.num_types = adev->vcn.inst[i].num_enc_rings + 1;
2081 		adev->vcn.inst[i].ras_poison_irq.funcs = &vcn_v2_6_ras_irq_funcs;
2082 	}
2083 }
2084 
2085 static void vcn_v2_5_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm_printer *p)
2086 {
2087 	struct amdgpu_device *adev = ip_block->adev;
2088 	int i, j;
2089 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_2_5);
2090 	uint32_t inst_off, is_powered;
2091 
2092 	if (!adev->vcn.ip_dump)
2093 		return;
2094 
2095 	drm_printf(p, "num_instances:%d\n", adev->vcn.num_vcn_inst);
2096 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
2097 		if (adev->vcn.harvest_config & (1 << i)) {
2098 			drm_printf(p, "\nHarvested Instance:VCN%d Skipping dump\n", i);
2099 			continue;
2100 		}
2101 
2102 		inst_off = i * reg_count;
2103 		is_powered = (adev->vcn.ip_dump[inst_off] &
2104 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
2105 
2106 		if (is_powered) {
2107 			drm_printf(p, "\nActive Instance:VCN%d\n", i);
2108 			for (j = 0; j < reg_count; j++)
2109 				drm_printf(p, "%-50s \t 0x%08x\n", vcn_reg_list_2_5[j].reg_name,
2110 					   adev->vcn.ip_dump[inst_off + j]);
2111 		} else {
2112 			drm_printf(p, "\nInactive Instance:VCN%d\n", i);
2113 		}
2114 	}
2115 }
2116 
2117 static void vcn_v2_5_dump_ip_state(struct amdgpu_ip_block *ip_block)
2118 {
2119 	struct amdgpu_device *adev = ip_block->adev;
2120 	int i, j;
2121 	bool is_powered;
2122 	uint32_t inst_off;
2123 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_2_5);
2124 
2125 	if (!adev->vcn.ip_dump)
2126 		return;
2127 
2128 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
2129 		if (adev->vcn.harvest_config & (1 << i))
2130 			continue;
2131 
2132 		inst_off = i * reg_count;
2133 		/* mmUVD_POWER_STATUS is always readable and is first element of the array */
2134 		adev->vcn.ip_dump[inst_off] = RREG32_SOC15(VCN, i, mmUVD_POWER_STATUS);
2135 		is_powered = (adev->vcn.ip_dump[inst_off] &
2136 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
2137 
2138 		if (is_powered)
2139 			for (j = 1; j < reg_count; j++)
2140 				adev->vcn.ip_dump[inst_off + j] =
2141 					RREG32(SOC15_REG_ENTRY_OFFSET_INST(vcn_reg_list_2_5[j], i));
2142 	}
2143 }
2144 
2145 static const struct amd_ip_funcs vcn_v2_5_ip_funcs = {
2146 	.name = "vcn_v2_5",
2147 	.early_init = vcn_v2_5_early_init,
2148 	.sw_init = vcn_v2_5_sw_init,
2149 	.sw_fini = vcn_v2_5_sw_fini,
2150 	.hw_init = vcn_v2_5_hw_init,
2151 	.hw_fini = vcn_v2_5_hw_fini,
2152 	.suspend = vcn_v2_5_suspend,
2153 	.resume = vcn_v2_5_resume,
2154 	.is_idle = vcn_v2_5_is_idle,
2155 	.wait_for_idle = vcn_v2_5_wait_for_idle,
2156 	.set_clockgating_state = vcn_v2_5_set_clockgating_state,
2157 	.set_powergating_state = vcn_set_powergating_state,
2158 	.dump_ip_state = vcn_v2_5_dump_ip_state,
2159 	.print_ip_state = vcn_v2_5_print_ip_state,
2160 };
2161 
2162 static const struct amd_ip_funcs vcn_v2_6_ip_funcs = {
2163         .name = "vcn_v2_6",
2164         .early_init = vcn_v2_5_early_init,
2165         .sw_init = vcn_v2_5_sw_init,
2166         .sw_fini = vcn_v2_5_sw_fini,
2167         .hw_init = vcn_v2_5_hw_init,
2168         .hw_fini = vcn_v2_5_hw_fini,
2169         .suspend = vcn_v2_5_suspend,
2170         .resume = vcn_v2_5_resume,
2171         .is_idle = vcn_v2_5_is_idle,
2172         .wait_for_idle = vcn_v2_5_wait_for_idle,
2173         .set_clockgating_state = vcn_v2_5_set_clockgating_state,
2174 	.set_powergating_state = vcn_set_powergating_state,
2175 	.dump_ip_state = vcn_v2_5_dump_ip_state,
2176 	.print_ip_state = vcn_v2_5_print_ip_state,
2177 };
2178 
2179 const struct amdgpu_ip_block_version vcn_v2_5_ip_block =
2180 {
2181 		.type = AMD_IP_BLOCK_TYPE_VCN,
2182 		.major = 2,
2183 		.minor = 5,
2184 		.rev = 0,
2185 		.funcs = &vcn_v2_5_ip_funcs,
2186 };
2187 
2188 const struct amdgpu_ip_block_version vcn_v2_6_ip_block =
2189 {
2190 		.type = AMD_IP_BLOCK_TYPE_VCN,
2191 		.major = 2,
2192 		.minor = 6,
2193 		.rev = 0,
2194 		.funcs = &vcn_v2_6_ip_funcs,
2195 };
2196 
2197 static uint32_t vcn_v2_6_query_poison_by_instance(struct amdgpu_device *adev,
2198 			uint32_t instance, uint32_t sub_block)
2199 {
2200 	uint32_t poison_stat = 0, reg_value = 0;
2201 
2202 	switch (sub_block) {
2203 	case AMDGPU_VCN_V2_6_VCPU_VCODEC:
2204 		reg_value = RREG32_SOC15(VCN, instance, mmUVD_RAS_VCPU_VCODEC_STATUS);
2205 		poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_VCPU_VCODEC_STATUS, POISONED_PF);
2206 		break;
2207 	default:
2208 		break;
2209 	}
2210 
2211 	if (poison_stat)
2212 		dev_info(adev->dev, "Poison detected in VCN%d, sub_block%d\n",
2213 			instance, sub_block);
2214 
2215 	return poison_stat;
2216 }
2217 
2218 static bool vcn_v2_6_query_poison_status(struct amdgpu_device *adev)
2219 {
2220 	uint32_t inst, sub;
2221 	uint32_t poison_stat = 0;
2222 
2223 	for (inst = 0; inst < adev->vcn.num_vcn_inst; inst++)
2224 		for (sub = 0; sub < AMDGPU_VCN_V2_6_MAX_SUB_BLOCK; sub++)
2225 			poison_stat +=
2226 			vcn_v2_6_query_poison_by_instance(adev, inst, sub);
2227 
2228 	return !!poison_stat;
2229 }
2230 
2231 const struct amdgpu_ras_block_hw_ops vcn_v2_6_ras_hw_ops = {
2232 	.query_poison_status = vcn_v2_6_query_poison_status,
2233 };
2234 
2235 static struct amdgpu_vcn_ras vcn_v2_6_ras = {
2236 	.ras_block = {
2237 		.hw_ops = &vcn_v2_6_ras_hw_ops,
2238 		.ras_late_init = amdgpu_vcn_ras_late_init,
2239 	},
2240 };
2241 
2242 static void vcn_v2_5_set_ras_funcs(struct amdgpu_device *adev)
2243 {
2244 	switch (amdgpu_ip_version(adev, VCN_HWIP, 0)) {
2245 	case IP_VERSION(2, 6, 0):
2246 		adev->vcn.ras = &vcn_v2_6_ras;
2247 		break;
2248 	default:
2249 		break;
2250 	}
2251 }
2252