xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c (revision 07fdad3a93756b872da7b53647715c48d0f4a2d0)
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 #define VCN1_AON_SOC_ADDRESS_3_0				0x48000
43 
44 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
45 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
46 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
47 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
48 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
49 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
50 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
51 
52 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
53 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
54 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x3b5
55 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
56 
57 #define VCN25_MAX_HW_INSTANCES_ARCTURUS			2
58 
59 static const struct amdgpu_hwip_reg_entry vcn_reg_list_2_5[] = {
60 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_POWER_STATUS),
61 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_POWER_STATUS),
62 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_STATUS),
63 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_CONTEXT_ID),
64 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_CONTEXT_ID2),
65 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_DATA0),
66 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_DATA1),
67 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_CMD),
68 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI),
69 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO),
70 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI2),
71 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO2),
72 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI3),
73 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO3),
74 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI4),
75 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO4),
76 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR),
77 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR),
78 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR2),
79 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR2),
80 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR3),
81 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR3),
82 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR4),
83 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR4),
84 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE),
85 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE2),
86 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE3),
87 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE4),
88 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_PGFSM_CONFIG),
89 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_PGFSM_STATUS),
90 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_CTL),
91 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_DATA),
92 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_MASK),
93 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_PAUSE)
94 };
95 
96 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev);
97 static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev);
98 static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev);
99 static int vcn_v2_5_set_pg_state(struct amdgpu_vcn_inst *vinst,
100 				 enum amd_powergating_state state);
101 static int vcn_v2_5_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
102 				   struct dpg_pause_state *new_state);
103 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev);
104 static void vcn_v2_5_set_ras_funcs(struct amdgpu_device *adev);
105 static int vcn_v2_5_reset(struct amdgpu_vcn_inst *vinst);
106 
107 static int amdgpu_ih_clientid_vcns[] = {
108 	SOC15_IH_CLIENTID_VCN,
109 	SOC15_IH_CLIENTID_VCN1
110 };
111 
112 static void vcn_v2_5_idle_work_handler(struct work_struct *work)
113 {
114 	struct amdgpu_vcn_inst *vcn_inst =
115 		container_of(work, struct amdgpu_vcn_inst, idle_work.work);
116 	struct amdgpu_device *adev = vcn_inst->adev;
117 	unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
118 	unsigned int i, j;
119 
120 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
121 		struct amdgpu_vcn_inst *v = &adev->vcn.inst[i];
122 
123 		if (adev->vcn.harvest_config & (1 << i))
124 			continue;
125 
126 		for (j = 0; j < v->num_enc_rings; ++j)
127 			fence[i] += amdgpu_fence_count_emitted(&v->ring_enc[j]);
128 
129 		/* Only set DPG pause for VCN3 or below, VCN4 and above will be handled by FW */
130 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
131 		    !v->using_unified_queue) {
132 			struct dpg_pause_state new_state;
133 
134 			if (fence[i] ||
135 			    unlikely(atomic_read(&v->dpg_enc_submission_cnt)))
136 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
137 			else
138 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
139 
140 			v->pause_dpg_mode(v, &new_state);
141 		}
142 
143 		fence[i] += amdgpu_fence_count_emitted(&v->ring_dec);
144 		fences += fence[i];
145 
146 	}
147 
148 	if (!fences && !atomic_read(&adev->vcn.inst[0].total_submission_cnt)) {
149 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
150 						       AMD_PG_STATE_GATE);
151 		amdgpu_vcn_put_profile(adev);
152 	} else {
153 		schedule_delayed_work(&adev->vcn.inst[0].idle_work, VCN_IDLE_TIMEOUT);
154 	}
155 }
156 
157 static void vcn_v2_5_ring_begin_use(struct amdgpu_ring *ring)
158 {
159 	struct amdgpu_device *adev = ring->adev;
160 	struct amdgpu_vcn_inst *v = &adev->vcn.inst[ring->me];
161 
162 	atomic_inc(&adev->vcn.inst[0].total_submission_cnt);
163 
164 	cancel_delayed_work_sync(&adev->vcn.inst[0].idle_work);
165 
166 	/* We can safely return early here because we've cancelled the
167 	 * the delayed work so there is no one else to set it to false
168 	 * and we don't care if someone else sets it to true.
169 	 */
170 	mutex_lock(&adev->vcn.inst[0].vcn_pg_lock);
171 	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
172 					       AMD_PG_STATE_UNGATE);
173 
174 	/* Only set DPG pause for VCN3 or below, VCN4 and above will be handled by FW */
175 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
176 	    !v->using_unified_queue) {
177 		struct dpg_pause_state new_state;
178 
179 		if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
180 			atomic_inc(&v->dpg_enc_submission_cnt);
181 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
182 		} else {
183 			unsigned int fences = 0;
184 			unsigned int i;
185 
186 			for (i = 0; i < v->num_enc_rings; ++i)
187 				fences += amdgpu_fence_count_emitted(&v->ring_enc[i]);
188 
189 			if (fences || atomic_read(&v->dpg_enc_submission_cnt))
190 				new_state.fw_based = VCN_DPG_STATE__PAUSE;
191 			else
192 				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
193 		}
194 		v->pause_dpg_mode(v, &new_state);
195 	}
196 	mutex_unlock(&adev->vcn.inst[0].vcn_pg_lock);
197 	amdgpu_vcn_get_profile(adev);
198 }
199 
200 static void vcn_v2_5_ring_end_use(struct amdgpu_ring *ring)
201 {
202 	struct amdgpu_device *adev = ring->adev;
203 
204 	/* Only set DPG pause for VCN3 or below, VCN4 and above will be handled by FW */
205 	if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
206 	    ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC &&
207 	    !adev->vcn.inst[ring->me].using_unified_queue)
208 		atomic_dec(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
209 
210 	atomic_dec(&adev->vcn.inst[0].total_submission_cnt);
211 
212 	schedule_delayed_work(&adev->vcn.inst[0].idle_work,
213 			      VCN_IDLE_TIMEOUT);
214 }
215 
216 /**
217  * vcn_v2_5_early_init - set function pointers and load microcode
218  *
219  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
220  *
221  * Set ring and irq function pointers
222  * Load microcode from filesystem
223  */
224 static int vcn_v2_5_early_init(struct amdgpu_ip_block *ip_block)
225 {
226 	struct amdgpu_device *adev = ip_block->adev;
227 	int i, r;
228 
229 	if (amdgpu_sriov_vf(adev)) {
230 		adev->vcn.num_vcn_inst = 2;
231 		adev->vcn.harvest_config = 0;
232 		for (i = 0; i < adev->vcn.num_vcn_inst; i++)
233 			adev->vcn.inst[i].num_enc_rings = 1;
234 	} else {
235 		u32 harvest;
236 		int i;
237 
238 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
239 			harvest = RREG32_SOC15(VCN, i, mmCC_UVD_HARVESTING);
240 			if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
241 				adev->vcn.harvest_config |= 1 << i;
242 			adev->vcn.inst[i].num_enc_rings = 2;
243 		}
244 		if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
245 						 AMDGPU_VCN_HARVEST_VCN1))
246 			/* both instances are harvested, disable the block */
247 			return -ENOENT;
248 	}
249 
250 	vcn_v2_5_set_dec_ring_funcs(adev);
251 	vcn_v2_5_set_enc_ring_funcs(adev);
252 	vcn_v2_5_set_irq_funcs(adev);
253 	vcn_v2_5_set_ras_funcs(adev);
254 
255 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
256 		adev->vcn.inst[i].set_pg_state = vcn_v2_5_set_pg_state;
257 
258 		r = amdgpu_vcn_early_init(adev, i);
259 		if (r)
260 			return r;
261 	}
262 
263 	return 0;
264 }
265 
266 /**
267  * vcn_v2_5_sw_init - sw init for VCN block
268  *
269  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
270  *
271  * Load firmware and sw initialization
272  */
273 static int vcn_v2_5_sw_init(struct amdgpu_ip_block *ip_block)
274 {
275 	struct amdgpu_ring *ring;
276 	int i, j, r;
277 	struct amdgpu_device *adev = ip_block->adev;
278 
279 	for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
280 		struct amdgpu_fw_shared *fw_shared;
281 
282 		if (adev->vcn.harvest_config & (1 << j))
283 			continue;
284 		/* VCN DEC TRAP */
285 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
286 				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[j].irq);
287 		if (r)
288 			return r;
289 
290 		/* VCN ENC TRAP */
291 		for (i = 0; i < adev->vcn.inst[j].num_enc_rings; ++i) {
292 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
293 				i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[j].irq);
294 			if (r)
295 				return r;
296 		}
297 
298 		/* VCN POISON TRAP */
299 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
300 			VCN_2_6__SRCID_UVD_POISON, &adev->vcn.inst[j].ras_poison_irq);
301 		if (r)
302 			return r;
303 
304 		r = amdgpu_vcn_sw_init(adev, j);
305 		if (r)
306 			return r;
307 
308 		/* Override the work func */
309 		adev->vcn.inst[j].idle_work.work.func = vcn_v2_5_idle_work_handler;
310 
311 		amdgpu_vcn_setup_ucode(adev, j);
312 
313 		r = amdgpu_vcn_resume(adev, j);
314 		if (r)
315 			return r;
316 
317 		adev->vcn.inst[j].internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
318 		adev->vcn.inst[j].internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
319 		adev->vcn.inst[j].internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
320 		adev->vcn.inst[j].internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
321 		adev->vcn.inst[j].internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
322 		adev->vcn.inst[j].internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
323 
324 		adev->vcn.inst[j].internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
325 		adev->vcn.inst[j].external.scratch9 = SOC15_REG_OFFSET(VCN, j, mmUVD_SCRATCH9);
326 		adev->vcn.inst[j].internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
327 		adev->vcn.inst[j].external.data0 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA0);
328 		adev->vcn.inst[j].internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
329 		adev->vcn.inst[j].external.data1 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA1);
330 		adev->vcn.inst[j].internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
331 		adev->vcn.inst[j].external.cmd = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_CMD);
332 		adev->vcn.inst[j].internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
333 		adev->vcn.inst[j].external.nop = SOC15_REG_OFFSET(VCN, j, mmUVD_NO_OP);
334 
335 		ring = &adev->vcn.inst[j].ring_dec;
336 		ring->use_doorbell = true;
337 
338 		ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
339 				(amdgpu_sriov_vf(adev) ? 2*j : 8*j);
340 
341 		if (amdgpu_ip_version(adev, UVD_HWIP, 0) == IP_VERSION(2, 5, 0))
342 			ring->vm_hub = AMDGPU_MMHUB1(0);
343 		else
344 			ring->vm_hub = AMDGPU_MMHUB0(0);
345 
346 		sprintf(ring->name, "vcn_dec_%d", j);
347 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq,
348 				     0, AMDGPU_RING_PRIO_DEFAULT, NULL);
349 		if (r)
350 			return r;
351 
352 		for (i = 0; i < adev->vcn.inst[j].num_enc_rings; ++i) {
353 			enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(i);
354 
355 			ring = &adev->vcn.inst[j].ring_enc[i];
356 			ring->use_doorbell = true;
357 
358 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
359 					(amdgpu_sriov_vf(adev) ? (1 + i + 2*j) : (2 + i + 8*j));
360 
361 			if (amdgpu_ip_version(adev, UVD_HWIP, 0) ==
362 			    IP_VERSION(2, 5, 0))
363 				ring->vm_hub = AMDGPU_MMHUB1(0);
364 			else
365 				ring->vm_hub = AMDGPU_MMHUB0(0);
366 
367 			sprintf(ring->name, "vcn_enc_%d.%d", j, i);
368 			r = amdgpu_ring_init(adev, ring, 512,
369 					     &adev->vcn.inst[j].irq, 0,
370 					     hw_prio, NULL);
371 			if (r)
372 				return r;
373 		}
374 
375 		fw_shared = adev->vcn.inst[j].fw_shared.cpu_addr;
376 		fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
377 
378 		if (amdgpu_vcnfw_log)
379 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
380 
381 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
382 			adev->vcn.inst[j].pause_dpg_mode = vcn_v2_5_pause_dpg_mode;
383 		adev->vcn.inst[j].reset = vcn_v2_5_reset;
384 	}
385 
386 	adev->vcn.supported_reset =
387 		amdgpu_get_soft_full_reset_mask(&adev->vcn.inst[0].ring_enc[0]);
388 	if (!amdgpu_sriov_vf(adev))
389 		adev->vcn.supported_reset |= AMDGPU_RESET_TYPE_PER_QUEUE;
390 
391 	if (amdgpu_sriov_vf(adev)) {
392 		r = amdgpu_virt_alloc_mm_table(adev);
393 		if (r)
394 			return r;
395 	}
396 
397 	r = amdgpu_vcn_ras_sw_init(adev);
398 	if (r)
399 		return r;
400 
401 	r = amdgpu_vcn_reg_dump_init(adev, vcn_reg_list_2_5, ARRAY_SIZE(vcn_reg_list_2_5));
402 	if (r)
403 		return r;
404 
405 	r = amdgpu_vcn_sysfs_reset_mask_init(adev);
406 	if (r)
407 		return r;
408 
409 	return 0;
410 }
411 
412 /**
413  * vcn_v2_5_sw_fini - sw fini for VCN block
414  *
415  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
416  *
417  * VCN suspend and free up sw allocation
418  */
419 static int vcn_v2_5_sw_fini(struct amdgpu_ip_block *ip_block)
420 {
421 	int i, r, idx;
422 	struct amdgpu_device *adev = ip_block->adev;
423 	struct amdgpu_fw_shared *fw_shared;
424 
425 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
426 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
427 			if (adev->vcn.harvest_config & (1 << i))
428 				continue;
429 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
430 			fw_shared->present_flag_0 = 0;
431 		}
432 		drm_dev_exit(idx);
433 	}
434 
435 
436 	if (amdgpu_sriov_vf(adev))
437 		amdgpu_virt_free_mm_table(adev);
438 
439 	amdgpu_vcn_sysfs_reset_mask_fini(adev);
440 
441 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
442 		r = amdgpu_vcn_suspend(adev, i);
443 		if (r)
444 			return r;
445 		amdgpu_vcn_sw_fini(adev, i);
446 	}
447 
448 	return 0;
449 }
450 
451 /**
452  * vcn_v2_5_hw_init - start and test VCN block
453  *
454  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
455  *
456  * Initialize the hardware, boot up the VCPU and do some testing
457  */
458 static int vcn_v2_5_hw_init(struct amdgpu_ip_block *ip_block)
459 {
460 	struct amdgpu_device *adev = ip_block->adev;
461 	struct amdgpu_ring *ring;
462 	int i, j, r = 0;
463 
464 	if (amdgpu_sriov_vf(adev))
465 		r = vcn_v2_5_sriov_start(adev);
466 
467 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
468 		if (adev->vcn.harvest_config & (1 << j))
469 			continue;
470 
471 		if (amdgpu_sriov_vf(adev)) {
472 			adev->vcn.inst[j].ring_enc[0].sched.ready = true;
473 			adev->vcn.inst[j].ring_enc[1].sched.ready = false;
474 			adev->vcn.inst[j].ring_enc[2].sched.ready = false;
475 			adev->vcn.inst[j].ring_dec.sched.ready = true;
476 		} else {
477 
478 			ring = &adev->vcn.inst[j].ring_dec;
479 
480 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
481 						     ring->doorbell_index, j);
482 
483 			r = amdgpu_ring_test_helper(ring);
484 			if (r)
485 				return r;
486 
487 			for (i = 0; i < adev->vcn.inst[j].num_enc_rings; ++i) {
488 				ring = &adev->vcn.inst[j].ring_enc[i];
489 				r = amdgpu_ring_test_helper(ring);
490 				if (r)
491 					return r;
492 			}
493 		}
494 	}
495 
496 	return r;
497 }
498 
499 /**
500  * vcn_v2_5_hw_fini - stop the hardware block
501  *
502  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
503  *
504  * Stop the VCN block, mark ring as not ready any more
505  */
506 static int vcn_v2_5_hw_fini(struct amdgpu_ip_block *ip_block)
507 {
508 	struct amdgpu_device *adev = ip_block->adev;
509 	int i;
510 
511 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
512 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
513 
514 		if (adev->vcn.harvest_config & (1 << i))
515 			continue;
516 
517 		cancel_delayed_work_sync(&vinst->idle_work);
518 
519 		if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
520 		    (vinst->cur_state != AMD_PG_STATE_GATE &&
521 		     RREG32_SOC15(VCN, i, mmUVD_STATUS)))
522 			vinst->set_pg_state(vinst, AMD_PG_STATE_GATE);
523 
524 		if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__VCN))
525 			amdgpu_irq_put(adev, &vinst->ras_poison_irq, 0);
526 	}
527 
528 	return 0;
529 }
530 
531 /**
532  * vcn_v2_5_suspend - suspend VCN block
533  *
534  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
535  *
536  * HW fini and suspend VCN block
537  */
538 static int vcn_v2_5_suspend(struct amdgpu_ip_block *ip_block)
539 {
540 	struct amdgpu_device *adev = ip_block->adev;
541 	int r, i;
542 
543 	r = vcn_v2_5_hw_fini(ip_block);
544 	if (r)
545 		return r;
546 
547 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
548 		r = amdgpu_vcn_suspend(ip_block->adev, i);
549 		if (r)
550 			return r;
551 	}
552 
553 	return 0;
554 }
555 
556 /**
557  * vcn_v2_5_resume - resume VCN block
558  *
559  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
560  *
561  * Resume firmware and hw init VCN block
562  */
563 static int vcn_v2_5_resume(struct amdgpu_ip_block *ip_block)
564 {
565 	struct amdgpu_device *adev = ip_block->adev;
566 	int r, i;
567 
568 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
569 		r = amdgpu_vcn_resume(ip_block->adev, i);
570 		if (r)
571 			return r;
572 	}
573 
574 	r = vcn_v2_5_hw_init(ip_block);
575 
576 	return r;
577 }
578 
579 /**
580  * vcn_v2_5_mc_resume - memory controller programming
581  *
582  * @vinst: VCN instance
583  *
584  * Let the VCN memory controller know it's offsets
585  */
586 static void vcn_v2_5_mc_resume(struct amdgpu_vcn_inst *vinst)
587 {
588 	struct amdgpu_device *adev = vinst->adev;
589 	int i = vinst->inst;
590 	uint32_t size;
591 	uint32_t offset;
592 
593 	if (adev->vcn.harvest_config & (1 << i))
594 		return;
595 
596 	size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[i].fw->size + 4);
597 	/* cache window 0: fw */
598 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
599 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
600 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo));
601 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
602 			     (adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi));
603 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0, 0);
604 		offset = 0;
605 	} else {
606 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
607 			     lower_32_bits(adev->vcn.inst[i].gpu_addr));
608 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
609 			     upper_32_bits(adev->vcn.inst[i].gpu_addr));
610 		offset = size;
611 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0,
612 			     AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
613 	}
614 	WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE0, size);
615 
616 	/* cache window 1: stack */
617 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
618 		     lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
619 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
620 		     upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
621 	WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET1, 0);
622 	WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
623 
624 	/* cache window 2: context */
625 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
626 		     lower_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
627 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
628 		     upper_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
629 	WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET2, 0);
630 	WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
631 
632 	/* non-cache window */
633 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
634 		     lower_32_bits(adev->vcn.inst[i].fw_shared.gpu_addr));
635 	WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
636 		     upper_32_bits(adev->vcn.inst[i].fw_shared.gpu_addr));
637 	WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
638 	WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_SIZE0,
639 		     AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
640 }
641 
642 static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_vcn_inst *vinst,
643 					bool indirect)
644 {
645 	struct amdgpu_device *adev = vinst->adev;
646 	int inst_idx = vinst->inst;
647 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[inst_idx].fw->size + 4);
648 	uint32_t offset;
649 
650 	/* cache window 0: fw */
651 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
652 		if (!indirect) {
653 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
654 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
655 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
656 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
657 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
658 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
659 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
660 				VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
661 		} else {
662 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
663 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
664 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
665 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
666 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
667 				VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
668 		}
669 		offset = 0;
670 	} else {
671 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
672 			VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
673 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
674 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
675 			VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
676 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
677 		offset = size;
678 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
679 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET0),
680 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
681 	}
682 
683 	if (!indirect)
684 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
685 			VCN, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
686 	else
687 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
688 			VCN, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
689 
690 	/* cache window 1: stack */
691 	if (!indirect) {
692 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
693 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
694 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
695 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
696 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
697 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
698 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
699 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
700 	} else {
701 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
702 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
703 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
704 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
705 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
706 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
707 	}
708 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
709 		VCN, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
710 
711 	/* cache window 2: context */
712 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
713 		VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
714 		lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
715 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
716 		VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
717 		upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
718 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
719 		VCN, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
720 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
721 		VCN, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
722 
723 	/* non-cache window */
724 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
725 		VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
726 		lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
727 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
728 		VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
729 		upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
730 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
731 		VCN, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
732 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
733 		VCN, 0, mmUVD_VCPU_NONCACHE_SIZE0),
734 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
735 
736 	/* VCN global tiling registers */
737 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
738 		VCN, 0, mmUVD_GFX8_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
739 }
740 
741 /**
742  * vcn_v2_5_disable_clock_gating - disable VCN clock gating
743  *
744  * @vinst: VCN instance
745  *
746  * Disable clock gating for VCN block
747  */
748 static void vcn_v2_5_disable_clock_gating(struct amdgpu_vcn_inst *vinst)
749 {
750 	struct amdgpu_device *adev = vinst->adev;
751 	int i = vinst->inst;
752 	uint32_t data;
753 
754 	if (adev->vcn.harvest_config & (1 << i))
755 		return;
756 	/* UVD disable CGC */
757 	data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
758 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
759 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
760 	else
761 		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
762 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
763 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
764 	WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
765 
766 	data = RREG32_SOC15(VCN, i, mmUVD_CGC_GATE);
767 	data &= ~(UVD_CGC_GATE__SYS_MASK
768 		  | UVD_CGC_GATE__UDEC_MASK
769 		  | UVD_CGC_GATE__MPEG2_MASK
770 		  | UVD_CGC_GATE__REGS_MASK
771 		  | UVD_CGC_GATE__RBC_MASK
772 		  | UVD_CGC_GATE__LMI_MC_MASK
773 		  | UVD_CGC_GATE__LMI_UMC_MASK
774 		  | UVD_CGC_GATE__IDCT_MASK
775 		  | UVD_CGC_GATE__MPRD_MASK
776 		  | UVD_CGC_GATE__MPC_MASK
777 		  | UVD_CGC_GATE__LBSI_MASK
778 		  | UVD_CGC_GATE__LRBBM_MASK
779 		  | UVD_CGC_GATE__UDEC_RE_MASK
780 		  | UVD_CGC_GATE__UDEC_CM_MASK
781 		  | UVD_CGC_GATE__UDEC_IT_MASK
782 		  | UVD_CGC_GATE__UDEC_DB_MASK
783 		  | UVD_CGC_GATE__UDEC_MP_MASK
784 		  | UVD_CGC_GATE__WCB_MASK
785 		  | UVD_CGC_GATE__VCPU_MASK
786 		  | UVD_CGC_GATE__MMSCH_MASK);
787 
788 	WREG32_SOC15(VCN, i, mmUVD_CGC_GATE, data);
789 
790 	SOC15_WAIT_ON_RREG(VCN, i, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
791 
792 	data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
793 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
794 		  | UVD_CGC_CTRL__UDEC_CM_MODE_MASK
795 		  | UVD_CGC_CTRL__UDEC_IT_MODE_MASK
796 		  | UVD_CGC_CTRL__UDEC_DB_MODE_MASK
797 		  | UVD_CGC_CTRL__UDEC_MP_MODE_MASK
798 		  | UVD_CGC_CTRL__SYS_MODE_MASK
799 		  | UVD_CGC_CTRL__UDEC_MODE_MASK
800 		  | UVD_CGC_CTRL__MPEG2_MODE_MASK
801 		  | UVD_CGC_CTRL__REGS_MODE_MASK
802 		  | UVD_CGC_CTRL__RBC_MODE_MASK
803 		  | UVD_CGC_CTRL__LMI_MC_MODE_MASK
804 		  | UVD_CGC_CTRL__LMI_UMC_MODE_MASK
805 		  | UVD_CGC_CTRL__IDCT_MODE_MASK
806 		  | UVD_CGC_CTRL__MPRD_MODE_MASK
807 		  | UVD_CGC_CTRL__MPC_MODE_MASK
808 		  | UVD_CGC_CTRL__LBSI_MODE_MASK
809 		  | UVD_CGC_CTRL__LRBBM_MODE_MASK
810 		  | UVD_CGC_CTRL__WCB_MODE_MASK
811 		  | UVD_CGC_CTRL__VCPU_MODE_MASK
812 		  | UVD_CGC_CTRL__MMSCH_MODE_MASK);
813 	WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
814 
815 	/* turn on */
816 	data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE);
817 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
818 		 | UVD_SUVD_CGC_GATE__SIT_MASK
819 		 | UVD_SUVD_CGC_GATE__SMP_MASK
820 		 | UVD_SUVD_CGC_GATE__SCM_MASK
821 		 | UVD_SUVD_CGC_GATE__SDB_MASK
822 		 | UVD_SUVD_CGC_GATE__SRE_H264_MASK
823 		 | UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
824 		 | UVD_SUVD_CGC_GATE__SIT_H264_MASK
825 		 | UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
826 		 | UVD_SUVD_CGC_GATE__SCM_H264_MASK
827 		 | UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
828 		 | UVD_SUVD_CGC_GATE__SDB_H264_MASK
829 		 | UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
830 		 | UVD_SUVD_CGC_GATE__SCLR_MASK
831 		 | UVD_SUVD_CGC_GATE__UVD_SC_MASK
832 		 | UVD_SUVD_CGC_GATE__ENT_MASK
833 		 | UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
834 		 | UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
835 		 | UVD_SUVD_CGC_GATE__SITE_MASK
836 		 | UVD_SUVD_CGC_GATE__SRE_VP9_MASK
837 		 | UVD_SUVD_CGC_GATE__SCM_VP9_MASK
838 		 | UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
839 		 | UVD_SUVD_CGC_GATE__SDB_VP9_MASK
840 		 | UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
841 	WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE, data);
842 
843 	data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
844 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
845 		  | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
846 		  | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
847 		  | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
848 		  | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
849 		  | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
850 		  | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
851 		  | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
852 			| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
853 		  | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
854 	WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
855 }
856 
857 static void vcn_v2_5_clock_gating_dpg_mode(struct amdgpu_vcn_inst *vinst,
858 		uint8_t sram_sel, uint8_t indirect)
859 {
860 	struct amdgpu_device *adev = vinst->adev;
861 	int inst_idx = vinst->inst;
862 	uint32_t reg_data = 0;
863 
864 	/* enable sw clock gating control */
865 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
866 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
867 	else
868 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
869 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
870 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
871 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
872 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
873 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
874 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
875 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
876 		 UVD_CGC_CTRL__SYS_MODE_MASK |
877 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
878 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
879 		 UVD_CGC_CTRL__REGS_MODE_MASK |
880 		 UVD_CGC_CTRL__RBC_MODE_MASK |
881 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
882 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
883 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
884 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
885 		 UVD_CGC_CTRL__MPC_MODE_MASK |
886 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
887 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
888 		 UVD_CGC_CTRL__WCB_MODE_MASK |
889 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
890 		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
891 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
892 		VCN, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
893 
894 	/* turn off clock gating */
895 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
896 		VCN, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
897 
898 	/* turn on SUVD clock gating */
899 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
900 		VCN, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
901 
902 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
903 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
904 		VCN, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
905 }
906 
907 /**
908  * vcn_v2_5_enable_clock_gating - enable VCN clock gating
909  *
910  * @vinst: VCN instance
911  *
912  * Enable clock gating for VCN block
913  */
914 static void vcn_v2_5_enable_clock_gating(struct amdgpu_vcn_inst *vinst)
915 {
916 	struct amdgpu_device *adev = vinst->adev;
917 	int i = vinst->inst;
918 	uint32_t data = 0;
919 
920 	if (adev->vcn.harvest_config & (1 << i))
921 		return;
922 	/* enable UVD CGC */
923 	data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
924 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
925 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
926 	else
927 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
928 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
929 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
930 	WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
931 
932 	data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
933 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
934 		 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK
935 		 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK
936 		 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK
937 		 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK
938 		 | UVD_CGC_CTRL__SYS_MODE_MASK
939 		 | UVD_CGC_CTRL__UDEC_MODE_MASK
940 		 | UVD_CGC_CTRL__MPEG2_MODE_MASK
941 		 | UVD_CGC_CTRL__REGS_MODE_MASK
942 		 | UVD_CGC_CTRL__RBC_MODE_MASK
943 		 | UVD_CGC_CTRL__LMI_MC_MODE_MASK
944 		 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK
945 		 | UVD_CGC_CTRL__IDCT_MODE_MASK
946 		 | UVD_CGC_CTRL__MPRD_MODE_MASK
947 		 | UVD_CGC_CTRL__MPC_MODE_MASK
948 		 | UVD_CGC_CTRL__LBSI_MODE_MASK
949 		 | UVD_CGC_CTRL__LRBBM_MODE_MASK
950 		 | UVD_CGC_CTRL__WCB_MODE_MASK
951 		 | UVD_CGC_CTRL__VCPU_MODE_MASK);
952 	WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
953 
954 	data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
955 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
956 		 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
957 		 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
958 		 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
959 		 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
960 		 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
961 		 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
962 		 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
963 		 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK
964 		 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
965 	WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
966 }
967 
968 static void vcn_v2_6_enable_ras(struct amdgpu_vcn_inst *vinst,
969 				bool indirect)
970 {
971 	struct amdgpu_device *adev = vinst->adev;
972 	int inst_idx = vinst->inst;
973 	uint32_t tmp;
974 
975 	if (amdgpu_ip_version(adev, UVD_HWIP, 0) != IP_VERSION(2, 6, 0))
976 		return;
977 
978 	tmp = VCN_RAS_CNTL__VCPU_VCODEC_REARM_MASK |
979 	      VCN_RAS_CNTL__VCPU_VCODEC_IH_EN_MASK |
980 	      VCN_RAS_CNTL__VCPU_VCODEC_PMI_EN_MASK |
981 	      VCN_RAS_CNTL__VCPU_VCODEC_STALL_EN_MASK;
982 	WREG32_SOC15_DPG_MODE(inst_idx,
983 			      SOC15_DPG_MODE_OFFSET(VCN, 0, mmVCN_RAS_CNTL),
984 			      tmp, 0, indirect);
985 
986 	tmp = UVD_VCPU_INT_EN__RASCNTL_VCPU_VCODEC_EN_MASK;
987 	WREG32_SOC15_DPG_MODE(inst_idx,
988 			      SOC15_DPG_MODE_OFFSET(VCN, 0, mmUVD_VCPU_INT_EN),
989 			      tmp, 0, indirect);
990 
991 	tmp = UVD_SYS_INT_EN__RASCNTL_VCPU_VCODEC_EN_MASK;
992 	WREG32_SOC15_DPG_MODE(inst_idx,
993 			      SOC15_DPG_MODE_OFFSET(VCN, 0, mmUVD_SYS_INT_EN),
994 			      tmp, 0, indirect);
995 }
996 
997 static int vcn_v2_5_start_dpg_mode(struct amdgpu_vcn_inst *vinst, bool indirect)
998 {
999 	struct amdgpu_device *adev = vinst->adev;
1000 	int inst_idx = vinst->inst;
1001 	struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
1002 	struct amdgpu_ring *ring;
1003 	uint32_t rb_bufsz, tmp;
1004 	int ret;
1005 
1006 	/* disable register anti-hang mechanism */
1007 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
1008 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1009 	/* enable dynamic power gating mode */
1010 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
1011 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
1012 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
1013 	WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
1014 
1015 	if (indirect)
1016 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
1017 
1018 	/* enable clock gating */
1019 	vcn_v2_5_clock_gating_dpg_mode(vinst, 0, indirect);
1020 
1021 	/* enable VCPU clock */
1022 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1023 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1024 	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
1025 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1026 		VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1027 
1028 	/* disable master interupt */
1029 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1030 		VCN, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
1031 
1032 	/* setup mmUVD_LMI_CTRL */
1033 	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1034 		UVD_LMI_CTRL__REQ_MODE_MASK |
1035 		UVD_LMI_CTRL__CRC_RESET_MASK |
1036 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1037 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1038 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
1039 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
1040 		0x00100000L);
1041 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1042 		VCN, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
1043 
1044 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1045 		VCN, 0, mmUVD_MPC_CNTL),
1046 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
1047 
1048 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1049 		VCN, 0, mmUVD_MPC_SET_MUXA0),
1050 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1051 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1052 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1053 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
1054 
1055 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1056 		VCN, 0, mmUVD_MPC_SET_MUXB0),
1057 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1058 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1059 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1060 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
1061 
1062 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1063 		VCN, 0, mmUVD_MPC_SET_MUX),
1064 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1065 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1066 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
1067 
1068 	vcn_v2_5_mc_resume_dpg_mode(vinst, indirect);
1069 
1070 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1071 		VCN, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
1072 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1073 		VCN, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
1074 
1075 	/* enable LMI MC and UMC channels */
1076 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1077 		VCN, 0, mmUVD_LMI_CTRL2), 0, 0, indirect);
1078 
1079 	vcn_v2_6_enable_ras(vinst, indirect);
1080 
1081 	/* unblock VCPU register access */
1082 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1083 		VCN, 0, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
1084 
1085 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1086 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1087 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1088 		VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1089 
1090 	/* enable master interrupt */
1091 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1092 		VCN, 0, mmUVD_MASTINT_EN),
1093 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
1094 
1095 	if (indirect) {
1096 		ret = amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
1097 		if (ret) {
1098 			dev_err(adev->dev, "vcn sram load failed %d\n", ret);
1099 			return ret;
1100 		}
1101 	}
1102 
1103 	ring = &adev->vcn.inst[inst_idx].ring_dec;
1104 	/* force RBC into idle state */
1105 	rb_bufsz = order_base_2(ring->ring_size);
1106 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1107 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1108 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1109 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1110 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1111 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
1112 
1113 	/* Stall DPG before WPTR/RPTR reset */
1114 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1115 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1116 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1117 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1118 
1119 	/* set the write pointer delay */
1120 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
1121 
1122 	/* set the wb address */
1123 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
1124 		(upper_32_bits(ring->gpu_addr) >> 2));
1125 
1126 	/* program the RB_BASE for ring buffer */
1127 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1128 		lower_32_bits(ring->gpu_addr));
1129 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1130 		upper_32_bits(ring->gpu_addr));
1131 
1132 	/* Initialize the ring buffer's read and write pointers */
1133 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
1134 
1135 	WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
1136 
1137 	ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
1138 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
1139 		lower_32_bits(ring->wptr));
1140 
1141 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1142 	/* Unstall DPG */
1143 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1144 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1145 
1146 	/* Keeping one read-back to ensure all register writes are done,
1147 	 * otherwise it may introduce race conditions.
1148 	 */
1149 	RREG32_SOC15(VCN, inst_idx, mmUVD_STATUS);
1150 
1151 	return 0;
1152 }
1153 
1154 static int vcn_v2_5_start(struct amdgpu_vcn_inst *vinst)
1155 {
1156 	struct amdgpu_device *adev = vinst->adev;
1157 	int i = vinst->inst;
1158 	struct amdgpu_fw_shared *fw_shared =
1159 		adev->vcn.inst[i].fw_shared.cpu_addr;
1160 	struct amdgpu_ring *ring;
1161 	uint32_t rb_bufsz, tmp;
1162 	int j, k, r;
1163 
1164 	if (adev->vcn.harvest_config & (1 << i))
1165 		return 0;
1166 
1167 	if (adev->pm.dpm_enabled)
1168 		amdgpu_dpm_enable_vcn(adev, true, i);
1169 
1170 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1171 		return vcn_v2_5_start_dpg_mode(vinst, adev->vcn.inst[i].indirect_sram);
1172 
1173 	/* disable register anti-hang mechanism */
1174 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS), 0,
1175 		 ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1176 
1177 	/* set uvd status busy */
1178 	tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
1179 	WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
1180 
1181 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1182 		return 0;
1183 
1184 	/* SW clock gating */
1185 	vcn_v2_5_disable_clock_gating(vinst);
1186 
1187 	/* enable VCPU clock */
1188 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1189 		 UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1190 
1191 	/* disable master interrupt */
1192 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
1193 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1194 
1195 	/* setup mmUVD_LMI_CTRL */
1196 	tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
1197 	tmp &= ~0xff;
1198 	WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp | 0x8|
1199 		     UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
1200 		     UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1201 		     UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1202 		     UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1203 
1204 	/* setup mmUVD_MPC_CNTL */
1205 	tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
1206 	tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1207 	tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1208 	WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
1209 
1210 	/* setup UVD_MPC_SET_MUXA0 */
1211 	WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
1212 		     ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1213 		      (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1214 		      (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1215 		      (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1216 
1217 	/* setup UVD_MPC_SET_MUXB0 */
1218 	WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
1219 		     ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1220 		      (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1221 		      (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1222 		      (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1223 
1224 	/* setup mmUVD_MPC_SET_MUX */
1225 	WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
1226 		     ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1227 		      (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1228 		      (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1229 
1230 	vcn_v2_5_mc_resume(vinst);
1231 
1232 	/* VCN global tiling registers */
1233 	WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
1234 		     adev->gfx.config.gb_addr_config);
1235 	WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
1236 		     adev->gfx.config.gb_addr_config);
1237 
1238 	/* enable LMI MC and UMC channels */
1239 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
1240 		 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1241 
1242 	/* unblock VCPU register access */
1243 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
1244 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1245 
1246 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1247 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1248 
1249 	for (k = 0; k < 10; ++k) {
1250 		uint32_t status;
1251 
1252 		for (j = 0; j < 100; ++j) {
1253 			status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
1254 			if (status & 2)
1255 				break;
1256 			if (amdgpu_emu_mode == 1)
1257 				msleep(500);
1258 			else
1259 				mdelay(10);
1260 		}
1261 		r = 0;
1262 		if (status & 2)
1263 			break;
1264 
1265 		DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
1266 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1267 			 UVD_VCPU_CNTL__BLK_RST_MASK,
1268 			 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1269 		mdelay(10);
1270 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1271 			 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1272 
1273 		mdelay(10);
1274 		r = -1;
1275 	}
1276 
1277 	if (r) {
1278 		DRM_ERROR("VCN decode not responding, giving up!!!\n");
1279 		return r;
1280 	}
1281 
1282 	/* enable master interrupt */
1283 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
1284 		 UVD_MASTINT_EN__VCPU_EN_MASK,
1285 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1286 
1287 	/* clear the busy bit of VCN_STATUS */
1288 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
1289 		 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1290 
1291 	WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
1292 
1293 	ring = &adev->vcn.inst[i].ring_dec;
1294 	/* force RBC into idle state */
1295 	rb_bufsz = order_base_2(ring->ring_size);
1296 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1297 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1298 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1299 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1300 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1301 	WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
1302 
1303 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1304 	/* program the RB_BASE for ring buffer */
1305 	WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1306 		     lower_32_bits(ring->gpu_addr));
1307 	WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1308 		     upper_32_bits(ring->gpu_addr));
1309 
1310 	/* Initialize the ring buffer's read and write pointers */
1311 	WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
1312 
1313 	ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
1314 	WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
1315 		     lower_32_bits(ring->wptr));
1316 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1317 
1318 	fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1319 	ring = &adev->vcn.inst[i].ring_enc[0];
1320 	WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1321 	WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1322 	WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
1323 	WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1324 	WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
1325 	fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1326 
1327 	fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1328 	ring = &adev->vcn.inst[i].ring_enc[1];
1329 	WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1330 	WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1331 	WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1332 	WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1333 	WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
1334 	fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1335 
1336 	/* Keeping one read-back to ensure all register writes are done,
1337 	 * otherwise it may introduce race conditions.
1338 	 */
1339 	RREG32_SOC15(VCN, i, mmUVD_STATUS);
1340 
1341 	return 0;
1342 }
1343 
1344 static int vcn_v2_5_mmsch_start(struct amdgpu_device *adev,
1345 				struct amdgpu_mm_table *table)
1346 {
1347 	uint32_t data = 0, loop = 0, size = 0;
1348 	uint64_t addr = table->gpu_addr;
1349 	struct mmsch_v1_1_init_header *header = NULL;
1350 
1351 	header = (struct mmsch_v1_1_init_header *)table->cpu_addr;
1352 	size = header->total_size;
1353 
1354 	/*
1355 	 * 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of
1356 	 *  memory descriptor location
1357 	 */
1358 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
1359 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
1360 
1361 	/* 2, update vmid of descriptor */
1362 	data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
1363 	data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1364 	/* use domain0 for MM scheduler */
1365 	data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1366 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, data);
1367 
1368 	/* 3, notify mmsch about the size of this descriptor */
1369 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
1370 
1371 	/* 4, set resp to zero */
1372 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1373 
1374 	/*
1375 	 * 5, kick off the initialization and wait until
1376 	 * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
1377 	 */
1378 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
1379 
1380 	data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1381 	loop = 10;
1382 	while ((data & 0x10000002) != 0x10000002) {
1383 		udelay(100);
1384 		data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1385 		loop--;
1386 		if (!loop)
1387 			break;
1388 	}
1389 
1390 	if (!loop) {
1391 		dev_err(adev->dev,
1392 			"failed to init MMSCH, mmMMSCH_VF_MAILBOX_RESP = %x\n",
1393 			data);
1394 		return -EBUSY;
1395 	}
1396 
1397 	return 0;
1398 }
1399 
1400 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
1401 {
1402 	struct amdgpu_ring *ring;
1403 	uint32_t offset, size, tmp, i, rb_bufsz;
1404 	uint32_t table_size = 0;
1405 	struct mmsch_v1_0_cmd_direct_write direct_wt = { { 0 } };
1406 	struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { { 0 } };
1407 	struct mmsch_v1_0_cmd_end end = { { 0 } };
1408 	uint32_t *init_table = adev->virt.mm_table.cpu_addr;
1409 	struct mmsch_v1_1_init_header *header = (struct mmsch_v1_1_init_header *)init_table;
1410 
1411 	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
1412 	direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1413 	end.cmd_header.command_type = MMSCH_COMMAND__END;
1414 
1415 	header->version = MMSCH_VERSION;
1416 	header->total_size = sizeof(struct mmsch_v1_1_init_header) >> 2;
1417 	init_table += header->total_size;
1418 
1419 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1420 		header->eng[i].table_offset = header->total_size;
1421 		header->eng[i].init_status = 0;
1422 		header->eng[i].table_size = 0;
1423 
1424 		table_size = 0;
1425 
1426 		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(
1427 			SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS),
1428 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1429 
1430 		size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[i].fw->size + 4);
1431 		/* mc resume*/
1432 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1433 			MMSCH_V1_0_INSERT_DIRECT_WT(
1434 				SOC15_REG_OFFSET(VCN, i,
1435 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1436 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
1437 			MMSCH_V1_0_INSERT_DIRECT_WT(
1438 				SOC15_REG_OFFSET(VCN, i,
1439 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1440 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
1441 			offset = 0;
1442 			MMSCH_V1_0_INSERT_DIRECT_WT(
1443 				SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0), 0);
1444 		} else {
1445 			MMSCH_V1_0_INSERT_DIRECT_WT(
1446 				SOC15_REG_OFFSET(VCN, i,
1447 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1448 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1449 			MMSCH_V1_0_INSERT_DIRECT_WT(
1450 				SOC15_REG_OFFSET(VCN, i,
1451 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1452 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1453 			offset = size;
1454 			MMSCH_V1_0_INSERT_DIRECT_WT(
1455 				SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0),
1456 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1457 		}
1458 
1459 		MMSCH_V1_0_INSERT_DIRECT_WT(
1460 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE0),
1461 			size);
1462 		MMSCH_V1_0_INSERT_DIRECT_WT(
1463 			SOC15_REG_OFFSET(VCN, i,
1464 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1465 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
1466 		MMSCH_V1_0_INSERT_DIRECT_WT(
1467 			SOC15_REG_OFFSET(VCN, i,
1468 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1469 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
1470 		MMSCH_V1_0_INSERT_DIRECT_WT(
1471 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET1),
1472 			0);
1473 		MMSCH_V1_0_INSERT_DIRECT_WT(
1474 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE1),
1475 			AMDGPU_VCN_STACK_SIZE);
1476 		MMSCH_V1_0_INSERT_DIRECT_WT(
1477 			SOC15_REG_OFFSET(VCN, i,
1478 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1479 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset +
1480 				AMDGPU_VCN_STACK_SIZE));
1481 		MMSCH_V1_0_INSERT_DIRECT_WT(
1482 			SOC15_REG_OFFSET(VCN, i,
1483 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1484 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset +
1485 				AMDGPU_VCN_STACK_SIZE));
1486 		MMSCH_V1_0_INSERT_DIRECT_WT(
1487 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET2),
1488 			0);
1489 		MMSCH_V1_0_INSERT_DIRECT_WT(
1490 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE2),
1491 			AMDGPU_VCN_CONTEXT_SIZE);
1492 
1493 		ring = &adev->vcn.inst[i].ring_enc[0];
1494 		ring->wptr = 0;
1495 
1496 		MMSCH_V1_0_INSERT_DIRECT_WT(
1497 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_LO),
1498 			lower_32_bits(ring->gpu_addr));
1499 		MMSCH_V1_0_INSERT_DIRECT_WT(
1500 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_HI),
1501 			upper_32_bits(ring->gpu_addr));
1502 		MMSCH_V1_0_INSERT_DIRECT_WT(
1503 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_SIZE),
1504 			ring->ring_size / 4);
1505 
1506 		ring = &adev->vcn.inst[i].ring_dec;
1507 		ring->wptr = 0;
1508 		MMSCH_V1_0_INSERT_DIRECT_WT(
1509 			SOC15_REG_OFFSET(VCN, i,
1510 				mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1511 			lower_32_bits(ring->gpu_addr));
1512 		MMSCH_V1_0_INSERT_DIRECT_WT(
1513 			SOC15_REG_OFFSET(VCN, i,
1514 				mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1515 			upper_32_bits(ring->gpu_addr));
1516 
1517 		/* force RBC into idle state */
1518 		rb_bufsz = order_base_2(ring->ring_size);
1519 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1520 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1521 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1522 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1523 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1524 		MMSCH_V1_0_INSERT_DIRECT_WT(
1525 			SOC15_REG_OFFSET(VCN, i, mmUVD_RBC_RB_CNTL), tmp);
1526 
1527 		/* add end packet */
1528 		memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end));
1529 		table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4;
1530 		init_table += sizeof(struct mmsch_v1_0_cmd_end) / 4;
1531 
1532 		/* refine header */
1533 		header->eng[i].table_size = table_size;
1534 		header->total_size += table_size;
1535 	}
1536 
1537 	return vcn_v2_5_mmsch_start(adev, &adev->virt.mm_table);
1538 }
1539 
1540 static int vcn_v2_5_stop_dpg_mode(struct amdgpu_vcn_inst *vinst)
1541 {
1542 	struct amdgpu_device *adev = vinst->adev;
1543 	int inst_idx = vinst->inst;
1544 	uint32_t tmp;
1545 
1546 	/* Wait for power status to be 1 */
1547 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1548 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1549 
1550 	/* wait for read ptr to be equal to write ptr */
1551 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
1552 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1553 
1554 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
1555 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1556 
1557 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1558 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1559 
1560 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1561 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1562 
1563 	/* disable dynamic power gating mode */
1564 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
1565 			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1566 
1567 	/* Keeping one read-back to ensure all register writes are done,
1568 	 * otherwise it may introduce race conditions.
1569 	 */
1570 	RREG32_SOC15(VCN, inst_idx, mmUVD_STATUS);
1571 
1572 	return 0;
1573 }
1574 
1575 static int vcn_v2_5_stop(struct amdgpu_vcn_inst *vinst)
1576 {
1577 	struct amdgpu_device *adev = vinst->adev;
1578 	int i = vinst->inst;
1579 	uint32_t tmp;
1580 	int r;
1581 
1582 	if (adev->vcn.harvest_config & (1 << i))
1583 		return 0;
1584 
1585 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1586 		r = vcn_v2_5_stop_dpg_mode(vinst);
1587 		goto done;
1588 	}
1589 
1590 	/* wait for vcn idle */
1591 	r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1592 	if (r)
1593 		goto done;
1594 
1595 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1596 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1597 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1598 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1599 	r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1600 	if (r)
1601 		goto done;
1602 
1603 	/* block LMI UMC channel */
1604 	tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
1605 	tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1606 	WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
1607 
1608 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1609 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1610 	r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1611 	if (r)
1612 		goto done;
1613 
1614 	/* block VCPU register access */
1615 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
1616 		 UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1617 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1618 
1619 	/* reset VCPU */
1620 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1621 		 UVD_VCPU_CNTL__BLK_RST_MASK,
1622 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1623 
1624 	/* disable VCPU clock */
1625 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1626 		 ~(UVD_VCPU_CNTL__CLK_EN_MASK));
1627 
1628 	/* clear status */
1629 	WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
1630 
1631 	vcn_v2_5_enable_clock_gating(vinst);
1632 
1633 	/* enable register anti-hang mechanism */
1634 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS),
1635 		 UVD_POWER_STATUS__UVD_POWER_STATUS_MASK,
1636 		 ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1637 
1638 	/* Keeping one read-back to ensure all register writes are done,
1639 	 * otherwise it may introduce race conditions.
1640 	 */
1641 	RREG32_SOC15(VCN, i, mmUVD_STATUS);
1642 done:
1643 	if (adev->pm.dpm_enabled)
1644 		amdgpu_dpm_enable_vcn(adev, false, i);
1645 
1646 	return r;
1647 }
1648 
1649 static int vcn_v2_5_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
1650 				   struct dpg_pause_state *new_state)
1651 {
1652 	struct amdgpu_device *adev = vinst->adev;
1653 	int inst_idx = vinst->inst;
1654 	struct amdgpu_ring *ring;
1655 	uint32_t reg_data = 0;
1656 	int ret_code = 0;
1657 
1658 	/* pause/unpause if state is changed */
1659 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1660 		DRM_DEBUG("dpg pause state changed %d -> %d",
1661 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1662 		reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
1663 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1664 
1665 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1666 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1667 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1668 
1669 			if (!ret_code) {
1670 				struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
1671 
1672 				/* pause DPG */
1673 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1674 				WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1675 
1676 				/* wait for ACK */
1677 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
1678 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1679 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1680 
1681 				/* Stall DPG before WPTR/RPTR reset */
1682 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1683 					   UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1684 					   ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1685 
1686 				/* Restore */
1687 				fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1688 				ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1689 				ring->wptr = 0;
1690 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
1691 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1692 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
1693 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1694 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1695 				fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1696 
1697 				fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1698 				ring = &adev->vcn.inst[inst_idx].ring_enc[1];
1699 				ring->wptr = 0;
1700 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1701 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1702 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
1703 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1704 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1705 				fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1706 
1707 				/* Unstall DPG */
1708 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1709 					   0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1710 
1711 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
1712 					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1713 			}
1714 		} else {
1715 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1716 			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1717 			SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1718 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1719 		}
1720 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1721 	}
1722 
1723 	return 0;
1724 }
1725 
1726 /**
1727  * vcn_v2_5_dec_ring_get_rptr - get read pointer
1728  *
1729  * @ring: amdgpu_ring pointer
1730  *
1731  * Returns the current hardware read pointer
1732  */
1733 static uint64_t vcn_v2_5_dec_ring_get_rptr(struct amdgpu_ring *ring)
1734 {
1735 	struct amdgpu_device *adev = ring->adev;
1736 
1737 	return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
1738 }
1739 
1740 /**
1741  * vcn_v2_5_dec_ring_get_wptr - get write pointer
1742  *
1743  * @ring: amdgpu_ring pointer
1744  *
1745  * Returns the current hardware write pointer
1746  */
1747 static uint64_t vcn_v2_5_dec_ring_get_wptr(struct amdgpu_ring *ring)
1748 {
1749 	struct amdgpu_device *adev = ring->adev;
1750 
1751 	if (ring->use_doorbell)
1752 		return *ring->wptr_cpu_addr;
1753 	else
1754 		return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
1755 }
1756 
1757 /**
1758  * vcn_v2_5_dec_ring_set_wptr - set write pointer
1759  *
1760  * @ring: amdgpu_ring pointer
1761  *
1762  * Commits the write pointer to the hardware
1763  */
1764 static void vcn_v2_5_dec_ring_set_wptr(struct amdgpu_ring *ring)
1765 {
1766 	struct amdgpu_device *adev = ring->adev;
1767 
1768 	if (ring->use_doorbell) {
1769 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1770 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1771 	} else {
1772 		WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1773 	}
1774 }
1775 
1776 static const struct amdgpu_ring_funcs vcn_v2_5_dec_ring_vm_funcs = {
1777 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1778 	.align_mask = 0xf,
1779 	.secure_submission_supported = true,
1780 	.get_rptr = vcn_v2_5_dec_ring_get_rptr,
1781 	.get_wptr = vcn_v2_5_dec_ring_get_wptr,
1782 	.set_wptr = vcn_v2_5_dec_ring_set_wptr,
1783 	.emit_frame_size =
1784 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1785 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1786 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
1787 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
1788 		6,
1789 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
1790 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
1791 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
1792 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
1793 	.test_ring = vcn_v2_0_dec_ring_test_ring,
1794 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
1795 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
1796 	.insert_start = vcn_v2_0_dec_ring_insert_start,
1797 	.insert_end = vcn_v2_0_dec_ring_insert_end,
1798 	.pad_ib = amdgpu_ring_generic_pad_ib,
1799 	.begin_use = vcn_v2_5_ring_begin_use,
1800 	.end_use = vcn_v2_5_ring_end_use,
1801 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
1802 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
1803 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1804 	.reset = amdgpu_vcn_ring_reset,
1805 };
1806 
1807 /**
1808  * vcn_v2_5_enc_ring_get_rptr - get enc read pointer
1809  *
1810  * @ring: amdgpu_ring pointer
1811  *
1812  * Returns the current hardware enc read pointer
1813  */
1814 static uint64_t vcn_v2_5_enc_ring_get_rptr(struct amdgpu_ring *ring)
1815 {
1816 	struct amdgpu_device *adev = ring->adev;
1817 
1818 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
1819 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
1820 	else
1821 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
1822 }
1823 
1824 /**
1825  * vcn_v2_5_enc_ring_get_wptr - get enc write pointer
1826  *
1827  * @ring: amdgpu_ring pointer
1828  *
1829  * Returns the current hardware enc write pointer
1830  */
1831 static uint64_t vcn_v2_5_enc_ring_get_wptr(struct amdgpu_ring *ring)
1832 {
1833 	struct amdgpu_device *adev = ring->adev;
1834 
1835 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1836 		if (ring->use_doorbell)
1837 			return *ring->wptr_cpu_addr;
1838 		else
1839 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
1840 	} else {
1841 		if (ring->use_doorbell)
1842 			return *ring->wptr_cpu_addr;
1843 		else
1844 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
1845 	}
1846 }
1847 
1848 /**
1849  * vcn_v2_5_enc_ring_set_wptr - set enc write pointer
1850  *
1851  * @ring: amdgpu_ring pointer
1852  *
1853  * Commits the enc write pointer to the hardware
1854  */
1855 static void vcn_v2_5_enc_ring_set_wptr(struct amdgpu_ring *ring)
1856 {
1857 	struct amdgpu_device *adev = ring->adev;
1858 
1859 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1860 		if (ring->use_doorbell) {
1861 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1862 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1863 		} else {
1864 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1865 		}
1866 	} else {
1867 		if (ring->use_doorbell) {
1868 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1869 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1870 		} else {
1871 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1872 		}
1873 	}
1874 }
1875 
1876 static const struct amdgpu_ring_funcs vcn_v2_5_enc_ring_vm_funcs = {
1877 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1878 	.align_mask = 0x3f,
1879 	.nop = VCN_ENC_CMD_NO_OP,
1880 	.get_rptr = vcn_v2_5_enc_ring_get_rptr,
1881 	.get_wptr = vcn_v2_5_enc_ring_get_wptr,
1882 	.set_wptr = vcn_v2_5_enc_ring_set_wptr,
1883 	.emit_frame_size =
1884 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1885 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1886 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1887 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1888 		1, /* vcn_v2_0_enc_ring_insert_end */
1889 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1890 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1891 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1892 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1893 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1894 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
1895 	.insert_nop = amdgpu_ring_insert_nop,
1896 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1897 	.pad_ib = amdgpu_ring_generic_pad_ib,
1898 	.begin_use = vcn_v2_5_ring_begin_use,
1899 	.end_use = vcn_v2_5_ring_end_use,
1900 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1901 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1902 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1903 	.reset = amdgpu_vcn_ring_reset,
1904 };
1905 
1906 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev)
1907 {
1908 	int i;
1909 
1910 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1911 		if (adev->vcn.harvest_config & (1 << i))
1912 			continue;
1913 		adev->vcn.inst[i].ring_dec.funcs = &vcn_v2_5_dec_ring_vm_funcs;
1914 		adev->vcn.inst[i].ring_dec.me = i;
1915 	}
1916 }
1917 
1918 static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev)
1919 {
1920 	int i, j;
1921 
1922 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
1923 		if (adev->vcn.harvest_config & (1 << j))
1924 			continue;
1925 		for (i = 0; i < adev->vcn.inst[j].num_enc_rings; ++i) {
1926 			adev->vcn.inst[j].ring_enc[i].funcs = &vcn_v2_5_enc_ring_vm_funcs;
1927 			adev->vcn.inst[j].ring_enc[i].me = j;
1928 		}
1929 	}
1930 }
1931 
1932 static int vcn_v2_5_reset(struct amdgpu_vcn_inst *vinst)
1933 {
1934 	int r;
1935 
1936 	r = vcn_v2_5_stop(vinst);
1937 	if (r)
1938 		return r;
1939 	return vcn_v2_5_start(vinst);
1940 }
1941 
1942 static bool vcn_v2_5_is_idle(struct amdgpu_ip_block *ip_block)
1943 {
1944 	struct amdgpu_device *adev = ip_block->adev;
1945 	int i, ret = 1;
1946 
1947 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1948 		if (adev->vcn.harvest_config & (1 << i))
1949 			continue;
1950 
1951 		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
1952 	}
1953 
1954 	return ret;
1955 }
1956 
1957 static int vcn_v2_5_wait_for_idle(struct amdgpu_ip_block *ip_block)
1958 {
1959 	struct amdgpu_device *adev = ip_block->adev;
1960 	int i, ret = 0;
1961 
1962 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1963 		if (adev->vcn.harvest_config & (1 << i))
1964 			continue;
1965 		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
1966 			UVD_STATUS__IDLE);
1967 		if (ret)
1968 			return ret;
1969 	}
1970 
1971 	return ret;
1972 }
1973 
1974 static int vcn_v2_5_set_clockgating_state(struct amdgpu_ip_block *ip_block,
1975 					  enum amd_clockgating_state state)
1976 {
1977 	struct amdgpu_device *adev = ip_block->adev;
1978 	bool enable = (state == AMD_CG_STATE_GATE);
1979 	int i;
1980 
1981 	if (amdgpu_sriov_vf(adev))
1982 		return 0;
1983 
1984 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1985 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
1986 
1987 		if (enable) {
1988 			if (!vcn_v2_5_is_idle(ip_block))
1989 				return -EBUSY;
1990 			vcn_v2_5_enable_clock_gating(vinst);
1991 		} else {
1992 			vcn_v2_5_disable_clock_gating(vinst);
1993 		}
1994 	}
1995 
1996 	return 0;
1997 }
1998 
1999 static int vcn_v2_5_set_pg_state(struct amdgpu_vcn_inst *vinst,
2000 				 enum amd_powergating_state state)
2001 {
2002 	struct amdgpu_device *adev = vinst->adev;
2003 	int ret;
2004 
2005 	if (amdgpu_sriov_vf(adev))
2006 		return 0;
2007 
2008 	if (state == vinst->cur_state)
2009 		return 0;
2010 
2011 	if (state == AMD_PG_STATE_GATE)
2012 		ret = vcn_v2_5_stop(vinst);
2013 	else
2014 		ret = vcn_v2_5_start(vinst);
2015 
2016 	if (!ret)
2017 		vinst->cur_state = state;
2018 
2019 	return ret;
2020 }
2021 
2022 static int vcn_v2_5_set_interrupt_state(struct amdgpu_device *adev,
2023 					struct amdgpu_irq_src *source,
2024 					unsigned type,
2025 					enum amdgpu_interrupt_state state)
2026 {
2027 	return 0;
2028 }
2029 
2030 static int vcn_v2_6_set_ras_interrupt_state(struct amdgpu_device *adev,
2031 					struct amdgpu_irq_src *source,
2032 					unsigned int type,
2033 					enum amdgpu_interrupt_state state)
2034 {
2035 	return 0;
2036 }
2037 
2038 static int vcn_v2_5_process_interrupt(struct amdgpu_device *adev,
2039 				      struct amdgpu_irq_src *source,
2040 				      struct amdgpu_iv_entry *entry)
2041 {
2042 	uint32_t ip_instance;
2043 
2044 	switch (entry->client_id) {
2045 	case SOC15_IH_CLIENTID_VCN:
2046 		ip_instance = 0;
2047 		break;
2048 	case SOC15_IH_CLIENTID_VCN1:
2049 		ip_instance = 1;
2050 		break;
2051 	default:
2052 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
2053 		return 0;
2054 	}
2055 
2056 	DRM_DEBUG("IH: VCN TRAP\n");
2057 
2058 	switch (entry->src_id) {
2059 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
2060 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
2061 		break;
2062 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
2063 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
2064 		break;
2065 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
2066 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
2067 		break;
2068 	default:
2069 		DRM_ERROR("Unhandled interrupt: %d %d\n",
2070 			  entry->src_id, entry->src_data[0]);
2071 		break;
2072 	}
2073 
2074 	return 0;
2075 }
2076 
2077 static const struct amdgpu_irq_src_funcs vcn_v2_5_irq_funcs = {
2078 	.set = vcn_v2_5_set_interrupt_state,
2079 	.process = vcn_v2_5_process_interrupt,
2080 };
2081 
2082 static const struct amdgpu_irq_src_funcs vcn_v2_6_ras_irq_funcs = {
2083 	.set = vcn_v2_6_set_ras_interrupt_state,
2084 	.process = amdgpu_vcn_process_poison_irq,
2085 };
2086 
2087 static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev)
2088 {
2089 	int i;
2090 
2091 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2092 		if (adev->vcn.harvest_config & (1 << i))
2093 			continue;
2094 		adev->vcn.inst[i].irq.num_types = adev->vcn.inst[i].num_enc_rings + 1;
2095 		adev->vcn.inst[i].irq.funcs = &vcn_v2_5_irq_funcs;
2096 
2097 		adev->vcn.inst[i].ras_poison_irq.num_types = adev->vcn.inst[i].num_enc_rings + 1;
2098 		adev->vcn.inst[i].ras_poison_irq.funcs = &vcn_v2_6_ras_irq_funcs;
2099 	}
2100 }
2101 
2102 static const struct amd_ip_funcs vcn_v2_5_ip_funcs = {
2103 	.name = "vcn_v2_5",
2104 	.early_init = vcn_v2_5_early_init,
2105 	.sw_init = vcn_v2_5_sw_init,
2106 	.sw_fini = vcn_v2_5_sw_fini,
2107 	.hw_init = vcn_v2_5_hw_init,
2108 	.hw_fini = vcn_v2_5_hw_fini,
2109 	.suspend = vcn_v2_5_suspend,
2110 	.resume = vcn_v2_5_resume,
2111 	.is_idle = vcn_v2_5_is_idle,
2112 	.wait_for_idle = vcn_v2_5_wait_for_idle,
2113 	.set_clockgating_state = vcn_v2_5_set_clockgating_state,
2114 	.set_powergating_state = vcn_set_powergating_state,
2115 	.dump_ip_state = amdgpu_vcn_dump_ip_state,
2116 	.print_ip_state = amdgpu_vcn_print_ip_state,
2117 };
2118 
2119 static const struct amd_ip_funcs vcn_v2_6_ip_funcs = {
2120         .name = "vcn_v2_6",
2121         .early_init = vcn_v2_5_early_init,
2122         .sw_init = vcn_v2_5_sw_init,
2123         .sw_fini = vcn_v2_5_sw_fini,
2124         .hw_init = vcn_v2_5_hw_init,
2125         .hw_fini = vcn_v2_5_hw_fini,
2126         .suspend = vcn_v2_5_suspend,
2127         .resume = vcn_v2_5_resume,
2128         .is_idle = vcn_v2_5_is_idle,
2129         .wait_for_idle = vcn_v2_5_wait_for_idle,
2130         .set_clockgating_state = vcn_v2_5_set_clockgating_state,
2131 	.set_powergating_state = vcn_set_powergating_state,
2132 	.dump_ip_state = amdgpu_vcn_dump_ip_state,
2133 	.print_ip_state = amdgpu_vcn_print_ip_state,
2134 };
2135 
2136 const struct amdgpu_ip_block_version vcn_v2_5_ip_block =
2137 {
2138 		.type = AMD_IP_BLOCK_TYPE_VCN,
2139 		.major = 2,
2140 		.minor = 5,
2141 		.rev = 0,
2142 		.funcs = &vcn_v2_5_ip_funcs,
2143 };
2144 
2145 const struct amdgpu_ip_block_version vcn_v2_6_ip_block =
2146 {
2147 		.type = AMD_IP_BLOCK_TYPE_VCN,
2148 		.major = 2,
2149 		.minor = 6,
2150 		.rev = 0,
2151 		.funcs = &vcn_v2_6_ip_funcs,
2152 };
2153 
2154 static uint32_t vcn_v2_6_query_poison_by_instance(struct amdgpu_device *adev,
2155 			uint32_t instance, uint32_t sub_block)
2156 {
2157 	uint32_t poison_stat = 0, reg_value = 0;
2158 
2159 	switch (sub_block) {
2160 	case AMDGPU_VCN_V2_6_VCPU_VCODEC:
2161 		reg_value = RREG32_SOC15(VCN, instance, mmUVD_RAS_VCPU_VCODEC_STATUS);
2162 		poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_VCPU_VCODEC_STATUS, POISONED_PF);
2163 		break;
2164 	default:
2165 		break;
2166 	}
2167 
2168 	if (poison_stat)
2169 		dev_info(adev->dev, "Poison detected in VCN%d, sub_block%d\n",
2170 			instance, sub_block);
2171 
2172 	return poison_stat;
2173 }
2174 
2175 static bool vcn_v2_6_query_poison_status(struct amdgpu_device *adev)
2176 {
2177 	uint32_t inst, sub;
2178 	uint32_t poison_stat = 0;
2179 
2180 	for (inst = 0; inst < adev->vcn.num_vcn_inst; inst++)
2181 		for (sub = 0; sub < AMDGPU_VCN_V2_6_MAX_SUB_BLOCK; sub++)
2182 			poison_stat +=
2183 			vcn_v2_6_query_poison_by_instance(adev, inst, sub);
2184 
2185 	return !!poison_stat;
2186 }
2187 
2188 const struct amdgpu_ras_block_hw_ops vcn_v2_6_ras_hw_ops = {
2189 	.query_poison_status = vcn_v2_6_query_poison_status,
2190 };
2191 
2192 static struct amdgpu_vcn_ras vcn_v2_6_ras = {
2193 	.ras_block = {
2194 		.hw_ops = &vcn_v2_6_ras_hw_ops,
2195 		.ras_late_init = amdgpu_vcn_ras_late_init,
2196 	},
2197 };
2198 
2199 static void vcn_v2_5_set_ras_funcs(struct amdgpu_device *adev)
2200 {
2201 	switch (amdgpu_ip_version(adev, VCN_HWIP, 0)) {
2202 	case IP_VERSION(2, 6, 0):
2203 		adev->vcn.ras = &vcn_v2_6_ras;
2204 		break;
2205 	default:
2206 		break;
2207 	}
2208 }
2209