xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.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 "amdgpu.h"
26 #include "amdgpu_vcn.h"
27 #include "amdgpu_pm.h"
28 #include "amdgpu_cs.h"
29 #include "soc15.h"
30 #include "soc15d.h"
31 #include "vcn_v2_0.h"
32 #include "mmsch_v3_0.h"
33 #include "vcn_sw_ring.h"
34 
35 #include "vcn/vcn_3_0_0_offset.h"
36 #include "vcn/vcn_3_0_0_sh_mask.h"
37 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
38 
39 #include <drm/drm_drv.h>
40 
41 #define VCN_VID_SOC_ADDRESS_2_0					0x1fa00
42 #define VCN1_VID_SOC_ADDRESS_3_0				0x48200
43 #define VCN1_AON_SOC_ADDRESS_3_0				0x48000
44 
45 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
46 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
47 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
48 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
49 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
50 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
51 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
52 
53 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
54 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
55 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x3b5
56 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
57 
58 #define VCN_INSTANCES_SIENNA_CICHLID				2
59 #define DEC_SW_RING_ENABLED					FALSE
60 
61 #define RDECODE_MSG_CREATE					0x00000000
62 #define RDECODE_MESSAGE_CREATE					0x00000001
63 
64 static const struct amdgpu_hwip_reg_entry vcn_reg_list_3_0[] = {
65 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_POWER_STATUS),
66 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_STATUS),
67 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_CONTEXT_ID),
68 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_CONTEXT_ID2),
69 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_DATA0),
70 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_DATA1),
71 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_CMD),
72 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI),
73 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO),
74 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI2),
75 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO2),
76 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI3),
77 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO3),
78 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI4),
79 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO4),
80 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR),
81 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR),
82 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR2),
83 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR2),
84 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR3),
85 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR3),
86 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR4),
87 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR4),
88 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE),
89 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE2),
90 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE3),
91 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE4),
92 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_PGFSM_CONFIG),
93 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_PGFSM_STATUS),
94 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_CTL),
95 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_DATA),
96 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_MASK),
97 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_PAUSE)
98 };
99 
100 static int amdgpu_ih_clientid_vcns[] = {
101 	SOC15_IH_CLIENTID_VCN,
102 	SOC15_IH_CLIENTID_VCN1
103 };
104 
105 static int vcn_v3_0_start_sriov(struct amdgpu_device *adev);
106 static void vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev);
107 static void vcn_v3_0_set_enc_ring_funcs(struct amdgpu_device *adev);
108 static void vcn_v3_0_set_irq_funcs(struct amdgpu_device *adev);
109 static int vcn_v3_0_set_pg_state(struct amdgpu_vcn_inst *vinst,
110 				 enum amd_powergating_state state);
111 static int vcn_v3_0_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
112 				   struct dpg_pause_state *new_state);
113 static int vcn_v3_0_reset(struct amdgpu_vcn_inst *vinst);
114 
115 static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring);
116 static void vcn_v3_0_enc_ring_set_wptr(struct amdgpu_ring *ring);
117 
118 /**
119  * vcn_v3_0_early_init - set function pointers and load microcode
120  *
121  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
122  *
123  * Set ring and irq function pointers
124  * Load microcode from filesystem
125  */
126 static int vcn_v3_0_early_init(struct amdgpu_ip_block *ip_block)
127 {
128 	struct amdgpu_device *adev = ip_block->adev;
129 	int i, r;
130 
131 	if (amdgpu_sriov_vf(adev)) {
132 		adev->vcn.num_vcn_inst = VCN_INSTANCES_SIENNA_CICHLID;
133 		adev->vcn.harvest_config = 0;
134 		for (i = 0; i < adev->vcn.num_vcn_inst; i++)
135 			adev->vcn.inst[i].num_enc_rings = 1;
136 
137 	} else {
138 		if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
139 						 AMDGPU_VCN_HARVEST_VCN1))
140 			/* both instances are harvested, disable the block */
141 			return -ENOENT;
142 
143 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
144 			if (amdgpu_ip_version(adev, UVD_HWIP, 0) ==
145 			    IP_VERSION(3, 0, 33))
146 				adev->vcn.inst[i].num_enc_rings = 0;
147 			else
148 				adev->vcn.inst[i].num_enc_rings = 2;
149 		}
150 	}
151 
152 	vcn_v3_0_set_dec_ring_funcs(adev);
153 	vcn_v3_0_set_enc_ring_funcs(adev);
154 	vcn_v3_0_set_irq_funcs(adev);
155 
156 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
157 		adev->vcn.inst[i].set_pg_state = vcn_v3_0_set_pg_state;
158 
159 		r = amdgpu_vcn_early_init(adev, i);
160 		if (r)
161 			return r;
162 	}
163 	return 0;
164 }
165 
166 /**
167  * vcn_v3_0_sw_init - sw init for VCN block
168  *
169  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
170  *
171  * Load firmware and sw initialization
172  */
173 static int vcn_v3_0_sw_init(struct amdgpu_ip_block *ip_block)
174 {
175 	struct amdgpu_ring *ring;
176 	int i, j, r;
177 	int vcn_doorbell_index = 0;
178 	struct amdgpu_device *adev = ip_block->adev;
179 
180 	/*
181 	 * Note: doorbell assignment is fixed for SRIOV multiple VCN engines
182 	 * Formula:
183 	 *   vcn_db_base  = adev->doorbell_index.vcn.vcn_ring0_1 << 1;
184 	 *   dec_ring_i   = vcn_db_base + i * (adev->vcn.num_enc_rings + 1)
185 	 *   enc_ring_i,j = vcn_db_base + i * (adev->vcn.num_enc_rings + 1) + 1 + j
186 	 */
187 	if (amdgpu_sriov_vf(adev)) {
188 		vcn_doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1;
189 		/* get DWORD offset */
190 		vcn_doorbell_index = vcn_doorbell_index << 1;
191 	}
192 
193 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
194 		struct amdgpu_fw_shared *fw_shared;
195 
196 		if (adev->vcn.harvest_config & (1 << i))
197 			continue;
198 
199 		r = amdgpu_vcn_sw_init(adev, i);
200 		if (r)
201 			return r;
202 
203 		amdgpu_vcn_setup_ucode(adev, i);
204 
205 		r = amdgpu_vcn_resume(adev, i);
206 		if (r)
207 			return r;
208 
209 		adev->vcn.inst[i].internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
210 		adev->vcn.inst[i].internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
211 		adev->vcn.inst[i].internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
212 		adev->vcn.inst[i].internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
213 		adev->vcn.inst[i].internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
214 		adev->vcn.inst[i].internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
215 
216 		adev->vcn.inst[i].internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
217 		adev->vcn.inst[i].external.scratch9 = SOC15_REG_OFFSET(VCN, i, mmUVD_SCRATCH9);
218 		adev->vcn.inst[i].internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
219 		adev->vcn.inst[i].external.data0 = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_DATA0);
220 		adev->vcn.inst[i].internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
221 		adev->vcn.inst[i].external.data1 = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_DATA1);
222 		adev->vcn.inst[i].internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
223 		adev->vcn.inst[i].external.cmd = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_CMD);
224 		adev->vcn.inst[i].internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
225 		adev->vcn.inst[i].external.nop = SOC15_REG_OFFSET(VCN, i, mmUVD_NO_OP);
226 
227 		/* VCN DEC TRAP */
228 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
229 				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[i].irq);
230 		if (r)
231 			return r;
232 
233 		atomic_set(&adev->vcn.inst[i].sched_score, 0);
234 
235 		ring = &adev->vcn.inst[i].ring_dec;
236 		ring->use_doorbell = true;
237 		if (amdgpu_sriov_vf(adev)) {
238 			ring->doorbell_index = vcn_doorbell_index + i * (adev->vcn.inst[i].num_enc_rings + 1);
239 		} else {
240 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i;
241 		}
242 		ring->vm_hub = AMDGPU_MMHUB0(0);
243 		sprintf(ring->name, "vcn_dec_%d", i);
244 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
245 				     AMDGPU_RING_PRIO_DEFAULT,
246 				     &adev->vcn.inst[i].sched_score);
247 		if (r)
248 			return r;
249 
250 		for (j = 0; j < adev->vcn.inst[i].num_enc_rings; ++j) {
251 			enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(j);
252 
253 			/* VCN ENC TRAP */
254 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
255 				j + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
256 			if (r)
257 				return r;
258 
259 			ring = &adev->vcn.inst[i].ring_enc[j];
260 			ring->use_doorbell = true;
261 			if (amdgpu_sriov_vf(adev)) {
262 				ring->doorbell_index = vcn_doorbell_index + i * (adev->vcn.inst[i].num_enc_rings + 1) + 1 + j;
263 			} else {
264 				ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + j + 8 * i;
265 			}
266 			ring->vm_hub = AMDGPU_MMHUB0(0);
267 			sprintf(ring->name, "vcn_enc_%d.%d", i, j);
268 			r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
269 					     hw_prio, &adev->vcn.inst[i].sched_score);
270 			if (r)
271 				return r;
272 		}
273 
274 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
275 		fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_SW_RING_FLAG) |
276 					     cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG) |
277 					     cpu_to_le32(AMDGPU_VCN_FW_SHARED_FLAG_0_RB);
278 		fw_shared->sw_ring.is_enabled = cpu_to_le32(DEC_SW_RING_ENABLED);
279 		fw_shared->present_flag_0 |= AMDGPU_VCN_SMU_VERSION_INFO_FLAG;
280 		if (amdgpu_ip_version(adev, UVD_HWIP, 0) == IP_VERSION(3, 1, 2))
281 			fw_shared->smu_interface_info.smu_interface_type = 2;
282 		else if (amdgpu_ip_version(adev, UVD_HWIP, 0) ==
283 			 IP_VERSION(3, 1, 1))
284 			fw_shared->smu_interface_info.smu_interface_type = 1;
285 
286 		if (amdgpu_vcnfw_log)
287 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
288 
289 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
290 			adev->vcn.inst[i].pause_dpg_mode = vcn_v3_0_pause_dpg_mode;
291 		adev->vcn.inst[i].reset = vcn_v3_0_reset;
292 	}
293 
294 	adev->vcn.supported_reset =
295 		amdgpu_get_soft_full_reset_mask(&adev->vcn.inst[0].ring_enc[0]);
296 	if (!amdgpu_sriov_vf(adev))
297 		adev->vcn.supported_reset |= AMDGPU_RESET_TYPE_PER_QUEUE;
298 
299 	if (amdgpu_sriov_vf(adev)) {
300 		r = amdgpu_virt_alloc_mm_table(adev);
301 		if (r)
302 			return r;
303 	}
304 
305 	r = amdgpu_vcn_reg_dump_init(adev, vcn_reg_list_3_0, ARRAY_SIZE(vcn_reg_list_3_0));
306 	if (r)
307 		return r;
308 
309 	r = amdgpu_vcn_sysfs_reset_mask_init(adev);
310 	if (r)
311 		return r;
312 
313 	return 0;
314 }
315 
316 /**
317  * vcn_v3_0_sw_fini - sw fini for VCN block
318  *
319  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
320  *
321  * VCN suspend and free up sw allocation
322  */
323 static int vcn_v3_0_sw_fini(struct amdgpu_ip_block *ip_block)
324 {
325 	struct amdgpu_device *adev = ip_block->adev;
326 	int i, r, idx;
327 
328 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
329 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
330 			struct amdgpu_fw_shared *fw_shared;
331 
332 			if (adev->vcn.harvest_config & (1 << i))
333 				continue;
334 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
335 			fw_shared->present_flag_0 = 0;
336 			fw_shared->sw_ring.is_enabled = false;
337 		}
338 
339 		drm_dev_exit(idx);
340 	}
341 
342 	if (amdgpu_sriov_vf(adev))
343 		amdgpu_virt_free_mm_table(adev);
344 
345 	amdgpu_vcn_sysfs_reset_mask_fini(adev);
346 
347 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
348 		r = amdgpu_vcn_suspend(adev, i);
349 		if (r)
350 			return r;
351 
352 		amdgpu_vcn_sw_fini(adev, i);
353 	}
354 
355 	return 0;
356 }
357 
358 /**
359  * vcn_v3_0_hw_init - start and test VCN block
360  *
361  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
362  *
363  * Initialize the hardware, boot up the VCPU and do some testing
364  */
365 static int vcn_v3_0_hw_init(struct amdgpu_ip_block *ip_block)
366 {
367 	struct amdgpu_device *adev = ip_block->adev;
368 	struct amdgpu_ring *ring;
369 	int i, j, r;
370 
371 	if (amdgpu_sriov_vf(adev)) {
372 		r = vcn_v3_0_start_sriov(adev);
373 		if (r)
374 			return r;
375 
376 		/* initialize VCN dec and enc ring buffers */
377 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
378 			if (adev->vcn.harvest_config & (1 << i))
379 				continue;
380 
381 			ring = &adev->vcn.inst[i].ring_dec;
382 			if (amdgpu_vcn_is_disabled_vcn(adev, VCN_DECODE_RING, i)) {
383 				ring->sched.ready = false;
384 				ring->no_scheduler = true;
385 				dev_info(adev->dev, "ring %s is disabled by hypervisor\n", ring->name);
386 			} else {
387 				ring->wptr = 0;
388 				ring->wptr_old = 0;
389 				vcn_v3_0_dec_ring_set_wptr(ring);
390 				ring->sched.ready = true;
391 			}
392 
393 			for (j = 0; j < adev->vcn.inst[i].num_enc_rings; ++j) {
394 				ring = &adev->vcn.inst[i].ring_enc[j];
395 				if (amdgpu_vcn_is_disabled_vcn(adev, VCN_ENCODE_RING, i)) {
396 					ring->sched.ready = false;
397 					ring->no_scheduler = true;
398 					dev_info(adev->dev, "ring %s is disabled by hypervisor\n", ring->name);
399 				} else {
400 					ring->wptr = 0;
401 					ring->wptr_old = 0;
402 					vcn_v3_0_enc_ring_set_wptr(ring);
403 					ring->sched.ready = true;
404 				}
405 			}
406 		}
407 	} else {
408 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
409 			if (adev->vcn.harvest_config & (1 << i))
410 				continue;
411 
412 			ring = &adev->vcn.inst[i].ring_dec;
413 
414 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
415 						     ring->doorbell_index, i);
416 
417 			r = amdgpu_ring_test_helper(ring);
418 			if (r)
419 				return r;
420 
421 			for (j = 0; j < adev->vcn.inst[i].num_enc_rings; ++j) {
422 				ring = &adev->vcn.inst[i].ring_enc[j];
423 				r = amdgpu_ring_test_helper(ring);
424 				if (r)
425 					return r;
426 			}
427 		}
428 	}
429 
430 	return 0;
431 }
432 
433 /**
434  * vcn_v3_0_hw_fini - stop the hardware block
435  *
436  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
437  *
438  * Stop the VCN block, mark ring as not ready any more
439  */
440 static int vcn_v3_0_hw_fini(struct amdgpu_ip_block *ip_block)
441 {
442 	struct amdgpu_device *adev = ip_block->adev;
443 	int i;
444 
445 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
446 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
447 
448 		if (adev->vcn.harvest_config & (1 << i))
449 			continue;
450 
451 		cancel_delayed_work_sync(&vinst->idle_work);
452 
453 		if (!amdgpu_sriov_vf(adev)) {
454 			if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
455 			    (vinst->cur_state != AMD_PG_STATE_GATE &&
456 			     RREG32_SOC15(VCN, i, mmUVD_STATUS))) {
457 				vinst->set_pg_state(vinst, AMD_PG_STATE_GATE);
458 			}
459 		}
460 	}
461 
462 	return 0;
463 }
464 
465 /**
466  * vcn_v3_0_suspend - suspend VCN block
467  *
468  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
469  *
470  * HW fini and suspend VCN block
471  */
472 static int vcn_v3_0_suspend(struct amdgpu_ip_block *ip_block)
473 {
474 	struct amdgpu_device *adev = ip_block->adev;
475 	int r, i;
476 
477 	r = vcn_v3_0_hw_fini(ip_block);
478 	if (r)
479 		return r;
480 
481 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
482 		r = amdgpu_vcn_suspend(ip_block->adev, i);
483 		if (r)
484 			return r;
485 	}
486 
487 	return 0;
488 }
489 
490 /**
491  * vcn_v3_0_resume - resume VCN block
492  *
493  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
494  *
495  * Resume firmware and hw init VCN block
496  */
497 static int vcn_v3_0_resume(struct amdgpu_ip_block *ip_block)
498 {
499 	struct amdgpu_device *adev = ip_block->adev;
500 	int r, i;
501 
502 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
503 		r = amdgpu_vcn_resume(ip_block->adev, i);
504 		if (r)
505 			return r;
506 	}
507 
508 	r = vcn_v3_0_hw_init(ip_block);
509 
510 	return r;
511 }
512 
513 /**
514  * vcn_v3_0_mc_resume - memory controller programming
515  *
516  * @vinst: VCN instance
517  *
518  * Let the VCN memory controller know it's offsets
519  */
520 static void vcn_v3_0_mc_resume(struct amdgpu_vcn_inst *vinst)
521 {
522 	struct amdgpu_device *adev = vinst->adev;
523 	int inst = vinst->inst;
524 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[inst].fw->size + 4);
525 	uint32_t offset;
526 
527 	/* cache window 0: fw */
528 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
529 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
530 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
531 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
532 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
533 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0, 0);
534 		offset = 0;
535 	} else {
536 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
537 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
538 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
539 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
540 		offset = size;
541 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0,
542 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
543 	}
544 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE0, size);
545 
546 	/* cache window 1: stack */
547 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
548 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
549 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
550 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
551 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET1, 0);
552 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
553 
554 	/* cache window 2: context */
555 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
556 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
557 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
558 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
559 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET2, 0);
560 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
561 
562 	/* non-cache window */
563 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
564 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
565 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
566 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
567 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
568 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_SIZE0,
569 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
570 }
571 
572 static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_vcn_inst *vinst,
573 					bool indirect)
574 {
575 	struct amdgpu_device *adev = vinst->adev;
576 	int inst_idx = vinst->inst;
577 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[inst_idx].fw->size + 4);
578 	uint32_t offset;
579 
580 	/* cache window 0: fw */
581 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
582 		if (!indirect) {
583 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
584 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
585 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
586 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
587 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
588 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
589 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
590 				VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
591 		} else {
592 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
593 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
594 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
595 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
596 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
597 				VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
598 		}
599 		offset = 0;
600 	} else {
601 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
602 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
603 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
604 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
605 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
606 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
607 		offset = size;
608 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
609 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0),
610 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
611 	}
612 
613 	if (!indirect)
614 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
615 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
616 	else
617 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
618 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
619 
620 	/* cache window 1: stack */
621 	if (!indirect) {
622 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
623 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
624 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
625 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
626 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
627 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
628 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
629 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
630 	} else {
631 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
632 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
633 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
634 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
635 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
636 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
637 	}
638 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
639 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
640 
641 	/* cache window 2: context */
642 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
643 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
644 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
645 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
646 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
647 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
648 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
649 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
650 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
651 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
652 
653 	/* non-cache window */
654 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
655 			VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
656 			lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
657 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
658 			VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
659 			upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
660 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
661 			VCN, inst_idx, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
662 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
663 			VCN, inst_idx, mmUVD_VCPU_NONCACHE_SIZE0),
664 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
665 
666 	/* VCN global tiling registers */
667 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
668 		UVD, inst_idx, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
669 }
670 
671 static void vcn_v3_0_disable_static_power_gating(struct amdgpu_vcn_inst *vinst)
672 {
673 	struct amdgpu_device *adev = vinst->adev;
674 	int inst = vinst->inst;
675 	uint32_t data = 0;
676 
677 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
678 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
679 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
680 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
681 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
682 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
683 			| 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
684 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
685 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
686 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
687 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
688 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
689 			| 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
690 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
691 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
692 
693 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
694 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS,
695 			UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF);
696 	} else {
697 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
698 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
699 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
700 			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
701 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
702 			| 1 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
703 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
704 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
705 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
706 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
707 			| 1 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
708 			| 1 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
709 			| 1 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
710 			| 1 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
711 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
712 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, 0,  0x3F3FFFFF);
713 	}
714 
715 	data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
716 	data &= ~0x103;
717 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
718 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
719 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
720 
721 	WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
722 }
723 
724 static void vcn_v3_0_enable_static_power_gating(struct amdgpu_vcn_inst *vinst)
725 {
726 	struct amdgpu_device *adev = vinst->adev;
727 	int inst = vinst->inst;
728 	uint32_t data;
729 
730 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
731 		/* Before power off, this indicator has to be turned on */
732 		data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
733 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
734 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
735 		WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
736 
737 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
738 			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
739 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
740 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
741 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
742 			| 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
743 			| 2 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
744 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
745 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
746 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
747 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
748 			| 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
749 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
750 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
751 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
752 
753 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
754 			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
755 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
756 			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
757 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
758 			| 2 << UVD_PGFSM_STATUS__UVDIRL_PWR_STATUS__SHIFT
759 			| 2 << UVD_PGFSM_STATUS__UVDLM_PWR_STATUS__SHIFT
760 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
761 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
762 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
763 			| 2 << UVD_PGFSM_STATUS__UVDAB_PWR_STATUS__SHIFT
764 			| 2 << UVD_PGFSM_STATUS__UVDATD_PWR_STATUS__SHIFT
765 			| 2 << UVD_PGFSM_STATUS__UVDNA_PWR_STATUS__SHIFT
766 			| 2 << UVD_PGFSM_STATUS__UVDNB_PWR_STATUS__SHIFT);
767 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, data, 0x3F3FFFFF);
768 	}
769 }
770 
771 /**
772  * vcn_v3_0_disable_clock_gating - disable VCN clock gating
773  *
774  * @vinst: Pointer to the VCN instance structure
775  *
776  * Disable clock gating for VCN block
777  */
778 static void vcn_v3_0_disable_clock_gating(struct amdgpu_vcn_inst *vinst)
779 {
780 	struct amdgpu_device *adev = vinst->adev;
781 	int inst = vinst->inst;
782 	uint32_t data;
783 
784 	/* VCN disable CGC */
785 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
786 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
787 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
788 	else
789 		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
790 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
791 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
792 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
793 
794 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_GATE);
795 	data &= ~(UVD_CGC_GATE__SYS_MASK
796 		| UVD_CGC_GATE__UDEC_MASK
797 		| UVD_CGC_GATE__MPEG2_MASK
798 		| UVD_CGC_GATE__REGS_MASK
799 		| UVD_CGC_GATE__RBC_MASK
800 		| UVD_CGC_GATE__LMI_MC_MASK
801 		| UVD_CGC_GATE__LMI_UMC_MASK
802 		| UVD_CGC_GATE__IDCT_MASK
803 		| UVD_CGC_GATE__MPRD_MASK
804 		| UVD_CGC_GATE__MPC_MASK
805 		| UVD_CGC_GATE__LBSI_MASK
806 		| UVD_CGC_GATE__LRBBM_MASK
807 		| UVD_CGC_GATE__UDEC_RE_MASK
808 		| UVD_CGC_GATE__UDEC_CM_MASK
809 		| UVD_CGC_GATE__UDEC_IT_MASK
810 		| UVD_CGC_GATE__UDEC_DB_MASK
811 		| UVD_CGC_GATE__UDEC_MP_MASK
812 		| UVD_CGC_GATE__WCB_MASK
813 		| UVD_CGC_GATE__VCPU_MASK
814 		| UVD_CGC_GATE__MMSCH_MASK);
815 
816 	WREG32_SOC15(VCN, inst, mmUVD_CGC_GATE, data);
817 
818 	SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
819 
820 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
821 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
822 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
823 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
824 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
825 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
826 		| UVD_CGC_CTRL__SYS_MODE_MASK
827 		| UVD_CGC_CTRL__UDEC_MODE_MASK
828 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
829 		| UVD_CGC_CTRL__REGS_MODE_MASK
830 		| UVD_CGC_CTRL__RBC_MODE_MASK
831 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
832 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
833 		| UVD_CGC_CTRL__IDCT_MODE_MASK
834 		| UVD_CGC_CTRL__MPRD_MODE_MASK
835 		| UVD_CGC_CTRL__MPC_MODE_MASK
836 		| UVD_CGC_CTRL__LBSI_MODE_MASK
837 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
838 		| UVD_CGC_CTRL__WCB_MODE_MASK
839 		| UVD_CGC_CTRL__VCPU_MODE_MASK
840 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
841 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
842 
843 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE);
844 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
845 		| UVD_SUVD_CGC_GATE__SIT_MASK
846 		| UVD_SUVD_CGC_GATE__SMP_MASK
847 		| UVD_SUVD_CGC_GATE__SCM_MASK
848 		| UVD_SUVD_CGC_GATE__SDB_MASK
849 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
850 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
851 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
852 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
853 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
854 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
855 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
856 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
857 		| UVD_SUVD_CGC_GATE__SCLR_MASK
858 		| UVD_SUVD_CGC_GATE__ENT_MASK
859 		| UVD_SUVD_CGC_GATE__IME_MASK
860 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
861 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
862 		| UVD_SUVD_CGC_GATE__SITE_MASK
863 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
864 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
865 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
866 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
867 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK
868 		| UVD_SUVD_CGC_GATE__EFC_MASK
869 		| UVD_SUVD_CGC_GATE__SAOE_MASK
870 		| UVD_SUVD_CGC_GATE__SRE_AV1_MASK
871 		| UVD_SUVD_CGC_GATE__FBC_PCLK_MASK
872 		| UVD_SUVD_CGC_GATE__FBC_CCLK_MASK
873 		| UVD_SUVD_CGC_GATE__SCM_AV1_MASK
874 		| UVD_SUVD_CGC_GATE__SMPA_MASK);
875 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE, data);
876 
877 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2);
878 	data |= (UVD_SUVD_CGC_GATE2__MPBE0_MASK
879 		| UVD_SUVD_CGC_GATE2__MPBE1_MASK
880 		| UVD_SUVD_CGC_GATE2__SIT_AV1_MASK
881 		| UVD_SUVD_CGC_GATE2__SDB_AV1_MASK
882 		| UVD_SUVD_CGC_GATE2__MPC1_MASK);
883 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2, data);
884 
885 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL);
886 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
887 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
888 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
889 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
890 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
891 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
892 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
893 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
894 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK
895 		| UVD_SUVD_CGC_CTRL__EFC_MODE_MASK
896 		| UVD_SUVD_CGC_CTRL__SAOE_MODE_MASK
897 		| UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK
898 		| UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK
899 		| UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK
900 		| UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK
901 		| UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK
902 		| UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK
903 		| UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK
904 		| UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK);
905 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
906 }
907 
908 static void vcn_v3_0_clock_gating_dpg_mode(struct amdgpu_vcn_inst *vinst,
909 					   uint8_t sram_sel,
910 					   uint8_t indirect)
911 {
912 	struct amdgpu_device *adev = vinst->adev;
913 	int inst_idx = vinst->inst;
914 	uint32_t reg_data = 0;
915 
916 	/* enable sw clock gating control */
917 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
918 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
919 	else
920 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
921 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
922 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
923 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
924 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
925 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
926 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
927 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
928 		 UVD_CGC_CTRL__SYS_MODE_MASK |
929 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
930 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
931 		 UVD_CGC_CTRL__REGS_MODE_MASK |
932 		 UVD_CGC_CTRL__RBC_MODE_MASK |
933 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
934 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
935 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
936 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
937 		 UVD_CGC_CTRL__MPC_MODE_MASK |
938 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
939 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
940 		 UVD_CGC_CTRL__WCB_MODE_MASK |
941 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
942 		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
943 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
944 		VCN, inst_idx, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
945 
946 	/* turn off clock gating */
947 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
948 		VCN, inst_idx, mmUVD_CGC_GATE), 0, sram_sel, indirect);
949 
950 	/* turn on SUVD clock gating */
951 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
952 		VCN, inst_idx, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
953 
954 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
955 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
956 		VCN, inst_idx, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
957 }
958 
959 /**
960  * vcn_v3_0_enable_clock_gating - enable VCN clock gating
961  *
962  * @vinst: Pointer to the VCN instance structure
963  *
964  * Enable clock gating for VCN block
965  */
966 static void vcn_v3_0_enable_clock_gating(struct amdgpu_vcn_inst *vinst)
967 {
968 	struct amdgpu_device *adev = vinst->adev;
969 	int inst = vinst->inst;
970 	uint32_t data;
971 
972 	/* enable VCN CGC */
973 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
974 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
975 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
976 	else
977 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
978 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
979 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
980 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
981 
982 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
983 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
984 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
985 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
986 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
987 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
988 		| UVD_CGC_CTRL__SYS_MODE_MASK
989 		| UVD_CGC_CTRL__UDEC_MODE_MASK
990 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
991 		| UVD_CGC_CTRL__REGS_MODE_MASK
992 		| UVD_CGC_CTRL__RBC_MODE_MASK
993 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
994 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
995 		| UVD_CGC_CTRL__IDCT_MODE_MASK
996 		| UVD_CGC_CTRL__MPRD_MODE_MASK
997 		| UVD_CGC_CTRL__MPC_MODE_MASK
998 		| UVD_CGC_CTRL__LBSI_MODE_MASK
999 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
1000 		| UVD_CGC_CTRL__WCB_MODE_MASK
1001 		| UVD_CGC_CTRL__VCPU_MODE_MASK
1002 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
1003 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
1004 
1005 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL);
1006 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
1007 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
1008 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
1009 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
1010 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
1011 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
1012 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
1013 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
1014 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK
1015 		| UVD_SUVD_CGC_CTRL__EFC_MODE_MASK
1016 		| UVD_SUVD_CGC_CTRL__SAOE_MODE_MASK
1017 		| UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK
1018 		| UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK
1019 		| UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK
1020 		| UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK
1021 		| UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK
1022 		| UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK
1023 		| UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK
1024 		| UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK);
1025 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
1026 }
1027 
1028 static int vcn_v3_0_start_dpg_mode(struct amdgpu_vcn_inst *vinst, bool indirect)
1029 {
1030 	struct amdgpu_device *adev = vinst->adev;
1031 	int inst_idx = vinst->inst;
1032 	struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
1033 	struct amdgpu_ring *ring;
1034 	uint32_t rb_bufsz, tmp;
1035 	int ret;
1036 
1037 	/* disable register anti-hang mechanism */
1038 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
1039 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1040 	/* enable dynamic power gating mode */
1041 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
1042 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
1043 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
1044 	WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
1045 
1046 	if (indirect)
1047 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
1048 
1049 	/* enable clock gating */
1050 	vcn_v3_0_clock_gating_dpg_mode(vinst, 0, indirect);
1051 
1052 	/* enable VCPU clock */
1053 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1054 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1055 	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
1056 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1057 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1058 
1059 	/* disable master interupt */
1060 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1061 		VCN, inst_idx, mmUVD_MASTINT_EN), 0, 0, indirect);
1062 
1063 	/* setup mmUVD_LMI_CTRL */
1064 	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1065 		UVD_LMI_CTRL__REQ_MODE_MASK |
1066 		UVD_LMI_CTRL__CRC_RESET_MASK |
1067 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1068 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1069 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
1070 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
1071 		0x00100000L);
1072 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1073 		VCN, inst_idx, mmUVD_LMI_CTRL), tmp, 0, indirect);
1074 
1075 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1076 		VCN, inst_idx, mmUVD_MPC_CNTL),
1077 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
1078 
1079 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1080 		VCN, inst_idx, mmUVD_MPC_SET_MUXA0),
1081 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1082 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1083 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1084 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
1085 
1086 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1087 		VCN, inst_idx, mmUVD_MPC_SET_MUXB0),
1088 		 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1089 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1090 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1091 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
1092 
1093 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1094 		VCN, inst_idx, mmUVD_MPC_SET_MUX),
1095 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1096 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1097 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
1098 
1099 	vcn_v3_0_mc_resume_dpg_mode(vinst, indirect);
1100 
1101 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1102 		VCN, inst_idx, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
1103 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1104 		VCN, inst_idx, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
1105 
1106 	/* enable LMI MC and UMC channels */
1107 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1108 		VCN, inst_idx, mmUVD_LMI_CTRL2), 0, 0, indirect);
1109 
1110 	/* unblock VCPU register access */
1111 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1112 		VCN, inst_idx, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
1113 
1114 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1115 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1116 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1117 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1118 
1119 	/* enable master interrupt */
1120 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1121 		VCN, inst_idx, mmUVD_MASTINT_EN),
1122 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
1123 
1124 	/* add nop to workaround PSP size check */
1125 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1126 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1127 
1128 	if (indirect) {
1129 		ret = amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
1130 		if (ret) {
1131 			dev_err(adev->dev, "vcn sram load failed %d\n", ret);
1132 			return ret;
1133 		}
1134 	}
1135 
1136 	ring = &adev->vcn.inst[inst_idx].ring_dec;
1137 	/* force RBC into idle state */
1138 	rb_bufsz = order_base_2(ring->ring_size);
1139 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1140 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1141 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1142 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1143 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1144 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
1145 
1146 	/* Stall DPG before WPTR/RPTR reset */
1147 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1148 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1149 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1150 	fw_shared->multi_queue.decode_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1151 
1152 	/* set the write pointer delay */
1153 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
1154 
1155 	/* set the wb address */
1156 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
1157 		(upper_32_bits(ring->gpu_addr) >> 2));
1158 
1159 	/* programm the RB_BASE for ring buffer */
1160 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1161 		lower_32_bits(ring->gpu_addr));
1162 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1163 		upper_32_bits(ring->gpu_addr));
1164 
1165 	/* Initialize the ring buffer's read and write pointers */
1166 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
1167 
1168 	WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
1169 
1170 	ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
1171 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
1172 		lower_32_bits(ring->wptr));
1173 
1174 	/* Reset FW shared memory RBC WPTR/RPTR */
1175 	fw_shared->rb.rptr = 0;
1176 	fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1177 
1178 	/*resetting done, fw can check RB ring */
1179 	fw_shared->multi_queue.decode_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1180 
1181 	/* Unstall DPG */
1182 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1183 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1184 
1185 	/* Keeping one read-back to ensure all register writes are done,
1186 	 * otherwise it may introduce race conditions.
1187 	 */
1188 	RREG32_SOC15(VCN, inst_idx, mmUVD_STATUS);
1189 
1190 	return 0;
1191 }
1192 
1193 static int vcn_v3_0_start(struct amdgpu_vcn_inst *vinst)
1194 {
1195 	struct amdgpu_device *adev = vinst->adev;
1196 	int i = vinst->inst;
1197 	struct amdgpu_fw_shared *fw_shared;
1198 	struct amdgpu_ring *ring;
1199 	uint32_t rb_bufsz, tmp;
1200 	int j, k, r;
1201 
1202 	if (adev->vcn.harvest_config & (1 << i))
1203 		return 0;
1204 
1205 	if (adev->pm.dpm_enabled)
1206 		amdgpu_dpm_enable_vcn(adev, true, i);
1207 
1208 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1209 		return vcn_v3_0_start_dpg_mode(vinst, vinst->indirect_sram);
1210 
1211 	/* disable VCN power gating */
1212 	vcn_v3_0_disable_static_power_gating(vinst);
1213 
1214 	/* set VCN status busy */
1215 	tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
1216 	WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
1217 
1218 	/* SW clock gating */
1219 	vcn_v3_0_disable_clock_gating(vinst);
1220 
1221 	/* enable VCPU clock */
1222 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1223 		 UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1224 
1225 	/* disable master interrupt */
1226 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
1227 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1228 
1229 	/* enable LMI MC and UMC channels */
1230 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
1231 		 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1232 
1233 	tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1234 	tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1235 	tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1236 	WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1237 
1238 	/* setup mmUVD_LMI_CTRL */
1239 	tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
1240 	WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp |
1241 		     UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
1242 		     UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1243 		     UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1244 		     UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1245 
1246 	/* setup mmUVD_MPC_CNTL */
1247 	tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
1248 	tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1249 	tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1250 	WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
1251 
1252 	/* setup UVD_MPC_SET_MUXA0 */
1253 	WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
1254 		     ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1255 		      (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1256 		      (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1257 		      (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1258 
1259 	/* setup UVD_MPC_SET_MUXB0 */
1260 	WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
1261 		     ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1262 		      (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1263 		      (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1264 		      (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1265 
1266 	/* setup mmUVD_MPC_SET_MUX */
1267 	WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
1268 		     ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1269 		      (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1270 		      (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1271 
1272 	vcn_v3_0_mc_resume(vinst);
1273 
1274 	/* VCN global tiling registers */
1275 	WREG32_SOC15(VCN, i, mmUVD_GFX10_ADDR_CONFIG,
1276 		     adev->gfx.config.gb_addr_config);
1277 
1278 	/* unblock VCPU register access */
1279 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
1280 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1281 
1282 	/* release VCPU reset to boot */
1283 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1284 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1285 
1286 	for (j = 0; j < 10; ++j) {
1287 		uint32_t status;
1288 
1289 		for (k = 0; k < 100; ++k) {
1290 			status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
1291 			if (status & 2)
1292 				break;
1293 			mdelay(10);
1294 		}
1295 		r = 0;
1296 		if (status & 2)
1297 			break;
1298 
1299 		DRM_ERROR("VCN[%d] decode not responding, trying to reset the VCPU!!!\n", i);
1300 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1301 			 UVD_VCPU_CNTL__BLK_RST_MASK,
1302 			 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1303 		mdelay(10);
1304 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1305 			 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1306 
1307 		mdelay(10);
1308 		r = -1;
1309 	}
1310 
1311 	if (r) {
1312 		DRM_ERROR("VCN[%d] decode not responding, giving up!!!\n", i);
1313 		return r;
1314 	}
1315 
1316 	/* enable master interrupt */
1317 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
1318 		 UVD_MASTINT_EN__VCPU_EN_MASK,
1319 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1320 
1321 	/* clear the busy bit of VCN_STATUS */
1322 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
1323 		 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1324 
1325 	WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
1326 
1327 	ring = &adev->vcn.inst[i].ring_dec;
1328 	/* force RBC into idle state */
1329 	rb_bufsz = order_base_2(ring->ring_size);
1330 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1331 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1332 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1333 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1334 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1335 	WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
1336 
1337 	fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1338 	fw_shared->multi_queue.decode_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1339 
1340 	/* programm the RB_BASE for ring buffer */
1341 	WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1342 		     lower_32_bits(ring->gpu_addr));
1343 	WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1344 		     upper_32_bits(ring->gpu_addr));
1345 
1346 	/* Initialize the ring buffer's read and write pointers */
1347 	WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
1348 
1349 	WREG32_SOC15(VCN, i, mmUVD_SCRATCH2, 0);
1350 	ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
1351 	WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
1352 		     lower_32_bits(ring->wptr));
1353 	fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1354 	fw_shared->multi_queue.decode_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1355 
1356 	if (amdgpu_ip_version(adev, UVD_HWIP, 0) !=
1357 	    IP_VERSION(3, 0, 33)) {
1358 		fw_shared->multi_queue.encode_generalpurpose_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1359 		ring = &adev->vcn.inst[i].ring_enc[0];
1360 		WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1361 		WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1362 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
1363 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1364 		WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
1365 		fw_shared->multi_queue.encode_generalpurpose_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1366 
1367 		fw_shared->multi_queue.encode_lowlatency_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1368 		ring = &adev->vcn.inst[i].ring_enc[1];
1369 		WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1370 		WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1371 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1372 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1373 		WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
1374 		fw_shared->multi_queue.encode_lowlatency_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1375 	}
1376 
1377 	/* Keeping one read-back to ensure all register writes are done,
1378 	 * otherwise it may introduce race conditions.
1379 	 */
1380 	RREG32_SOC15(VCN, i, mmUVD_STATUS);
1381 
1382 	return 0;
1383 }
1384 
1385 static int vcn_v3_0_start_sriov(struct amdgpu_device *adev)
1386 {
1387 	int i, j;
1388 	struct amdgpu_ring *ring;
1389 	uint64_t cache_addr;
1390 	uint64_t rb_addr;
1391 	uint64_t ctx_addr;
1392 	uint32_t param, resp, expected;
1393 	uint32_t offset, cache_size;
1394 	uint32_t tmp, timeout;
1395 
1396 	struct amdgpu_mm_table *table = &adev->virt.mm_table;
1397 	uint32_t *table_loc;
1398 	uint32_t table_size;
1399 	uint32_t size, size_dw;
1400 
1401 	struct mmsch_v3_0_cmd_direct_write
1402 		direct_wt = { {0} };
1403 	struct mmsch_v3_0_cmd_direct_read_modify_write
1404 		direct_rd_mod_wt = { {0} };
1405 	struct mmsch_v3_0_cmd_end end = { {0} };
1406 	struct mmsch_v3_0_init_header header;
1407 
1408 	direct_wt.cmd_header.command_type =
1409 		MMSCH_COMMAND__DIRECT_REG_WRITE;
1410 	direct_rd_mod_wt.cmd_header.command_type =
1411 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1412 	end.cmd_header.command_type =
1413 		MMSCH_COMMAND__END;
1414 
1415 	header.version = MMSCH_VERSION;
1416 	header.total_size = sizeof(struct mmsch_v3_0_init_header) >> 2;
1417 	for (i = 0; i < MMSCH_V3_0_VCN_INSTANCES; i++) {
1418 		header.inst[i].init_status = 0;
1419 		header.inst[i].table_offset = 0;
1420 		header.inst[i].table_size = 0;
1421 	}
1422 
1423 	table_loc = (uint32_t *)table->cpu_addr;
1424 	table_loc += header.total_size;
1425 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1426 		if (adev->vcn.harvest_config & (1 << i))
1427 			continue;
1428 
1429 		table_size = 0;
1430 
1431 		MMSCH_V3_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCN, i,
1432 			mmUVD_STATUS),
1433 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1434 
1435 		cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.inst[i].fw->size + 4);
1436 
1437 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1438 			MMSCH_V3_0_INSERT_DIRECT_WT(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_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1442 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1443 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
1444 			offset = 0;
1445 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1446 				mmUVD_VCPU_CACHE_OFFSET0),
1447 				0);
1448 		} else {
1449 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1450 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1451 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1452 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1453 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1454 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1455 			offset = cache_size;
1456 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1457 				mmUVD_VCPU_CACHE_OFFSET0),
1458 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1459 		}
1460 
1461 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1462 			mmUVD_VCPU_CACHE_SIZE0),
1463 			cache_size);
1464 
1465 		cache_addr = adev->vcn.inst[i].gpu_addr + offset;
1466 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1467 			mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1468 			lower_32_bits(cache_addr));
1469 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1470 			mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1471 			upper_32_bits(cache_addr));
1472 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1473 			mmUVD_VCPU_CACHE_OFFSET1),
1474 			0);
1475 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1476 			mmUVD_VCPU_CACHE_SIZE1),
1477 			AMDGPU_VCN_STACK_SIZE);
1478 
1479 		cache_addr = adev->vcn.inst[i].gpu_addr + offset +
1480 			AMDGPU_VCN_STACK_SIZE;
1481 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1482 			mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1483 			lower_32_bits(cache_addr));
1484 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1485 			mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1486 			upper_32_bits(cache_addr));
1487 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1488 			mmUVD_VCPU_CACHE_OFFSET2),
1489 			0);
1490 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1491 			mmUVD_VCPU_CACHE_SIZE2),
1492 			AMDGPU_VCN_CONTEXT_SIZE);
1493 
1494 		for (j = 0; j < adev->vcn.inst[i].num_enc_rings; ++j) {
1495 			ring = &adev->vcn.inst[i].ring_enc[j];
1496 			ring->wptr = 0;
1497 			rb_addr = ring->gpu_addr;
1498 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1499 				mmUVD_RB_BASE_LO),
1500 				lower_32_bits(rb_addr));
1501 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1502 				mmUVD_RB_BASE_HI),
1503 				upper_32_bits(rb_addr));
1504 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1505 				mmUVD_RB_SIZE),
1506 				ring->ring_size / 4);
1507 		}
1508 
1509 		ring = &adev->vcn.inst[i].ring_dec;
1510 		ring->wptr = 0;
1511 		rb_addr = ring->gpu_addr;
1512 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1513 			mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1514 			lower_32_bits(rb_addr));
1515 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1516 			mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1517 			upper_32_bits(rb_addr));
1518 		/* force RBC into idle state */
1519 		tmp = order_base_2(ring->ring_size);
1520 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp);
1521 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1522 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1523 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1524 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1525 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1526 			mmUVD_RBC_RB_CNTL),
1527 			tmp);
1528 
1529 		/* add end packet */
1530 		MMSCH_V3_0_INSERT_END();
1531 
1532 		/* refine header */
1533 		header.inst[i].init_status = 0;
1534 		header.inst[i].table_offset = header.total_size;
1535 		header.inst[i].table_size = table_size;
1536 		header.total_size += table_size;
1537 	}
1538 
1539 	/* Update init table header in memory */
1540 	size = sizeof(struct mmsch_v3_0_init_header);
1541 	table_loc = (uint32_t *)table->cpu_addr;
1542 	memcpy((void *)table_loc, &header, size);
1543 
1544 	/* message MMSCH (in VCN[0]) to initialize this client
1545 	 * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1546 	 * of memory descriptor location
1547 	 */
1548 	ctx_addr = table->gpu_addr;
1549 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
1550 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
1551 
1552 	/* 2, update vmid of descriptor */
1553 	tmp = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
1554 	tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1555 	/* use domain0 for MM scheduler */
1556 	tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1557 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, tmp);
1558 
1559 	/* 3, notify mmsch about the size of this descriptor */
1560 	size = header.total_size;
1561 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
1562 
1563 	/* 4, set resp to zero */
1564 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1565 
1566 	/* 5, kick off the initialization and wait until
1567 	 * MMSCH_VF_MAILBOX_RESP becomes non-zero
1568 	 */
1569 	param = 0x10000001;
1570 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, param);
1571 	tmp = 0;
1572 	timeout = 1000;
1573 	resp = 0;
1574 	expected = param + 1;
1575 	while (resp != expected) {
1576 		resp = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1577 		if (resp == expected)
1578 			break;
1579 
1580 		udelay(10);
1581 		tmp = tmp + 10;
1582 		if (tmp >= timeout) {
1583 			DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
1584 				" waiting for mmMMSCH_VF_MAILBOX_RESP "\
1585 				"(expected=0x%08x, readback=0x%08x)\n",
1586 				tmp, expected, resp);
1587 			return -EBUSY;
1588 		}
1589 	}
1590 
1591 	return 0;
1592 }
1593 
1594 static int vcn_v3_0_stop_dpg_mode(struct amdgpu_vcn_inst *vinst)
1595 {
1596 	struct amdgpu_device *adev = vinst->adev;
1597 	int inst_idx = vinst->inst;
1598 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
1599 	uint32_t tmp;
1600 
1601 	vcn_v3_0_pause_dpg_mode(vinst, &state);
1602 
1603 	/* Wait for power status to be 1 */
1604 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1605 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1606 
1607 	/* wait for read ptr to be equal to write ptr */
1608 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
1609 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1610 
1611 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
1612 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1613 
1614 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1615 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1616 
1617 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1618 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1619 
1620 	/* disable dynamic power gating mode */
1621 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
1622 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1623 
1624 	/* Keeping one read-back to ensure all register writes are done,
1625 	 * otherwise it may introduce race conditions.
1626 	 */
1627 	RREG32_SOC15(VCN, inst_idx, mmUVD_STATUS);
1628 
1629 	return 0;
1630 }
1631 
1632 static int vcn_v3_0_stop(struct amdgpu_vcn_inst *vinst)
1633 {
1634 	struct amdgpu_device *adev = vinst->adev;
1635 	int i = vinst->inst;
1636 	uint32_t tmp;
1637 	int r = 0;
1638 
1639 	if (adev->vcn.harvest_config & (1 << i))
1640 		return 0;
1641 
1642 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1643 		r = vcn_v3_0_stop_dpg_mode(vinst);
1644 		goto done;
1645 	}
1646 
1647 	/* wait for vcn idle */
1648 	r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1649 	if (r)
1650 		goto done;
1651 
1652 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1653 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1654 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1655 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1656 	r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1657 	if (r)
1658 		goto done;
1659 
1660 	/* disable LMI UMC channel */
1661 	tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
1662 	tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1663 	WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
1664 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1665 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1666 	r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1667 	if (r)
1668 		goto done;
1669 
1670 	/* block VCPU register access */
1671 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
1672 		 UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1673 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1674 
1675 	/* reset VCPU */
1676 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1677 		 UVD_VCPU_CNTL__BLK_RST_MASK,
1678 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1679 
1680 	/* disable VCPU clock */
1681 	WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1682 		 ~(UVD_VCPU_CNTL__CLK_EN_MASK));
1683 
1684 	/* apply soft reset */
1685 	tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1686 	tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1687 	WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1688 	tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1689 	tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1690 	WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1691 
1692 	/* clear status */
1693 	WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
1694 
1695 	/* apply HW clock gating */
1696 	vcn_v3_0_enable_clock_gating(vinst);
1697 
1698 	/* enable VCN power gating */
1699 	vcn_v3_0_enable_static_power_gating(vinst);
1700 
1701 	/* Keeping one read-back to ensure all register writes are done,
1702 	 * otherwise it may introduce race conditions.
1703 	 */
1704 	RREG32_SOC15(VCN, i, mmUVD_STATUS);
1705 
1706 done:
1707 	if (adev->pm.dpm_enabled)
1708 		amdgpu_dpm_enable_vcn(adev, false, i);
1709 
1710 	return r;
1711 }
1712 
1713 static int vcn_v3_0_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
1714 				   struct dpg_pause_state *new_state)
1715 {
1716 	struct amdgpu_device *adev = vinst->adev;
1717 	int inst_idx = vinst->inst;
1718 	struct amdgpu_fw_shared *fw_shared;
1719 	struct amdgpu_ring *ring;
1720 	uint32_t reg_data = 0;
1721 	int ret_code;
1722 
1723 	/* pause/unpause if state is changed */
1724 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1725 		DRM_DEBUG("dpg pause state changed %d -> %d",
1726 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1727 		reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
1728 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1729 
1730 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1731 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1732 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1733 
1734 			if (!ret_code) {
1735 				/* pause DPG */
1736 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1737 				WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1738 
1739 				/* wait for ACK */
1740 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
1741 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1742 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1743 
1744 				/* Stall DPG before WPTR/RPTR reset */
1745 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1746 					UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1747 					~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1748 
1749 				if (amdgpu_ip_version(adev, UVD_HWIP, 0) !=
1750 				    IP_VERSION(3, 0, 33)) {
1751 					/* Restore */
1752 					fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
1753 					fw_shared->multi_queue.encode_generalpurpose_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1754 					ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1755 					ring->wptr = 0;
1756 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
1757 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1758 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
1759 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1760 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1761 					fw_shared->multi_queue.encode_generalpurpose_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1762 
1763 					fw_shared->multi_queue.encode_lowlatency_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1764 					ring = &adev->vcn.inst[inst_idx].ring_enc[1];
1765 					ring->wptr = 0;
1766 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1767 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1768 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
1769 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1770 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1771 					fw_shared->multi_queue.encode_lowlatency_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1772 
1773 					/* restore wptr/rptr with pointers saved in FW shared memory*/
1774 					WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, fw_shared->rb.rptr);
1775 					WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR, fw_shared->rb.wptr);
1776 				}
1777 
1778 				/* Unstall DPG */
1779 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1780 					0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1781 
1782 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
1783 					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1784 			}
1785 		} else {
1786 			/* unpause dpg, no need to wait */
1787 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1788 			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1789 		}
1790 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1791 	}
1792 
1793 	return 0;
1794 }
1795 
1796 /**
1797  * vcn_v3_0_dec_ring_get_rptr - get read pointer
1798  *
1799  * @ring: amdgpu_ring pointer
1800  *
1801  * Returns the current hardware read pointer
1802  */
1803 static uint64_t vcn_v3_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1804 {
1805 	struct amdgpu_device *adev = ring->adev;
1806 
1807 	return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
1808 }
1809 
1810 /**
1811  * vcn_v3_0_dec_ring_get_wptr - get write pointer
1812  *
1813  * @ring: amdgpu_ring pointer
1814  *
1815  * Returns the current hardware write pointer
1816  */
1817 static uint64_t vcn_v3_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1818 {
1819 	struct amdgpu_device *adev = ring->adev;
1820 
1821 	if (ring->use_doorbell)
1822 		return *ring->wptr_cpu_addr;
1823 	else
1824 		return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
1825 }
1826 
1827 /**
1828  * vcn_v3_0_dec_ring_set_wptr - set write pointer
1829  *
1830  * @ring: amdgpu_ring pointer
1831  *
1832  * Commits the write pointer to the hardware
1833  */
1834 static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1835 {
1836 	struct amdgpu_device *adev = ring->adev;
1837 	struct amdgpu_fw_shared *fw_shared;
1838 
1839 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1840 		/*whenever update RBC_RB_WPTR, we save the wptr in shared rb.wptr and scratch2 */
1841 		fw_shared = adev->vcn.inst[ring->me].fw_shared.cpu_addr;
1842 		fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1843 		WREG32_SOC15(VCN, ring->me, mmUVD_SCRATCH2,
1844 			lower_32_bits(ring->wptr));
1845 	}
1846 
1847 	if (ring->use_doorbell) {
1848 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1849 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1850 	} else {
1851 		WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1852 	}
1853 }
1854 
1855 static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
1856 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1857 	.align_mask = 0x3f,
1858 	.nop = VCN_DEC_SW_CMD_NO_OP,
1859 	.secure_submission_supported = true,
1860 	.get_rptr = vcn_v3_0_dec_ring_get_rptr,
1861 	.get_wptr = vcn_v3_0_dec_ring_get_wptr,
1862 	.set_wptr = vcn_v3_0_dec_ring_set_wptr,
1863 	.emit_frame_size =
1864 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1865 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1866 		VCN_SW_RING_EMIT_FRAME_SIZE,
1867 	.emit_ib_size = 5, /* vcn_dec_sw_ring_emit_ib */
1868 	.emit_ib = vcn_dec_sw_ring_emit_ib,
1869 	.emit_fence = vcn_dec_sw_ring_emit_fence,
1870 	.emit_vm_flush = vcn_dec_sw_ring_emit_vm_flush,
1871 	.test_ring = amdgpu_vcn_dec_sw_ring_test_ring,
1872 	.test_ib = NULL,//amdgpu_vcn_dec_sw_ring_test_ib,
1873 	.insert_nop = amdgpu_ring_insert_nop,
1874 	.insert_end = vcn_dec_sw_ring_insert_end,
1875 	.pad_ib = amdgpu_ring_generic_pad_ib,
1876 	.begin_use = amdgpu_vcn_ring_begin_use,
1877 	.end_use = amdgpu_vcn_ring_end_use,
1878 	.emit_wreg = vcn_dec_sw_ring_emit_wreg,
1879 	.emit_reg_wait = vcn_dec_sw_ring_emit_reg_wait,
1880 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1881 };
1882 
1883 static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p,
1884 				struct amdgpu_job *job)
1885 {
1886 	struct drm_gpu_scheduler **scheds;
1887 	struct dma_fence *fence;
1888 
1889 	/* if VCN0 is harvested, we can't support AV1 */
1890 	if (p->adev->vcn.harvest_config & AMDGPU_VCN_HARVEST_VCN0)
1891 		return -EINVAL;
1892 
1893 	/* wait for all jobs to finish before switching to instance 0 */
1894 	fence = amdgpu_ctx_get_fence(p->ctx, job->base.entity, ~0ull);
1895 	if (fence) {
1896 		dma_fence_wait(fence, false);
1897 		dma_fence_put(fence);
1898 	}
1899 
1900 	scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_DEC]
1901 		[AMDGPU_RING_PRIO_DEFAULT].sched;
1902 	drm_sched_entity_modify_sched(job->base.entity, scheds, 1);
1903 	return 0;
1904 }
1905 
1906 static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
1907 			    uint64_t addr)
1908 {
1909 	struct ttm_operation_ctx ctx = { false, false };
1910 	struct amdgpu_bo_va_mapping *map;
1911 	uint32_t *msg, num_buffers;
1912 	struct amdgpu_bo *bo;
1913 	uint64_t start, end;
1914 	unsigned int i;
1915 	void *ptr;
1916 	int r;
1917 
1918 	addr &= AMDGPU_GMC_HOLE_MASK;
1919 	r = amdgpu_cs_find_mapping(p, addr, &bo, &map);
1920 	if (r) {
1921 		DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
1922 		return r;
1923 	}
1924 
1925 	start = map->start * AMDGPU_GPU_PAGE_SIZE;
1926 	end = (map->last + 1) * AMDGPU_GPU_PAGE_SIZE;
1927 	if (addr & 0x7) {
1928 		DRM_ERROR("VCN messages must be 8 byte aligned!\n");
1929 		return -EINVAL;
1930 	}
1931 
1932 	bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
1933 	amdgpu_bo_placement_from_domain(bo, bo->allowed_domains);
1934 	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1935 	if (r) {
1936 		DRM_ERROR("Failed validating the VCN message BO (%d)!\n", r);
1937 		return r;
1938 	}
1939 
1940 	r = amdgpu_bo_kmap(bo, &ptr);
1941 	if (r) {
1942 		DRM_ERROR("Failed mapping the VCN message (%d)!\n", r);
1943 		return r;
1944 	}
1945 
1946 	msg = ptr + addr - start;
1947 
1948 	/* Check length */
1949 	if (msg[1] > end - addr) {
1950 		r = -EINVAL;
1951 		goto out;
1952 	}
1953 
1954 	if (msg[3] != RDECODE_MSG_CREATE)
1955 		goto out;
1956 
1957 	num_buffers = msg[2];
1958 	for (i = 0, msg = &msg[6]; i < num_buffers; ++i, msg += 4) {
1959 		uint32_t offset, size, *create;
1960 
1961 		if (msg[0] != RDECODE_MESSAGE_CREATE)
1962 			continue;
1963 
1964 		offset = msg[1];
1965 		size = msg[2];
1966 
1967 		if (offset + size > end) {
1968 			r = -EINVAL;
1969 			goto out;
1970 		}
1971 
1972 		create = ptr + addr + offset - start;
1973 
1974 		/* H246, HEVC and VP9 can run on any instance */
1975 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
1976 			continue;
1977 
1978 		r = vcn_v3_0_limit_sched(p, job);
1979 		if (r)
1980 			goto out;
1981 	}
1982 
1983 out:
1984 	amdgpu_bo_kunmap(bo);
1985 	return r;
1986 }
1987 
1988 static int vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
1989 					   struct amdgpu_job *job,
1990 					   struct amdgpu_ib *ib)
1991 {
1992 	struct amdgpu_ring *ring = amdgpu_job_ring(job);
1993 	uint32_t msg_lo = 0, msg_hi = 0;
1994 	unsigned i;
1995 	int r;
1996 
1997 	/* The first instance can decode anything */
1998 	if (!ring->me)
1999 		return 0;
2000 
2001 	for (i = 0; i < ib->length_dw; i += 2) {
2002 		uint32_t reg = amdgpu_ib_get_value(ib, i);
2003 		uint32_t val = amdgpu_ib_get_value(ib, i + 1);
2004 
2005 		if (reg == PACKET0(p->adev->vcn.inst[ring->me].internal.data0, 0)) {
2006 			msg_lo = val;
2007 		} else if (reg == PACKET0(p->adev->vcn.inst[ring->me].internal.data1, 0)) {
2008 			msg_hi = val;
2009 		} else if (reg == PACKET0(p->adev->vcn.inst[ring->me].internal.cmd, 0) &&
2010 			   val == 0) {
2011 			r = vcn_v3_0_dec_msg(p, job,
2012 					     ((u64)msg_hi) << 32 | msg_lo);
2013 			if (r)
2014 				return r;
2015 		}
2016 	}
2017 	return 0;
2018 }
2019 
2020 static const struct amdgpu_ring_funcs vcn_v3_0_dec_ring_vm_funcs = {
2021 	.type = AMDGPU_RING_TYPE_VCN_DEC,
2022 	.align_mask = 0xf,
2023 	.secure_submission_supported = true,
2024 	.get_rptr = vcn_v3_0_dec_ring_get_rptr,
2025 	.get_wptr = vcn_v3_0_dec_ring_get_wptr,
2026 	.set_wptr = vcn_v3_0_dec_ring_set_wptr,
2027 	.patch_cs_in_place = vcn_v3_0_ring_patch_cs_in_place,
2028 	.emit_frame_size =
2029 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
2030 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
2031 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
2032 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
2033 		6,
2034 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
2035 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
2036 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
2037 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
2038 	.test_ring = vcn_v2_0_dec_ring_test_ring,
2039 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
2040 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
2041 	.insert_start = vcn_v2_0_dec_ring_insert_start,
2042 	.insert_end = vcn_v2_0_dec_ring_insert_end,
2043 	.pad_ib = amdgpu_ring_generic_pad_ib,
2044 	.begin_use = amdgpu_vcn_ring_begin_use,
2045 	.end_use = amdgpu_vcn_ring_end_use,
2046 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
2047 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
2048 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2049 	.reset = amdgpu_vcn_ring_reset,
2050 };
2051 
2052 /**
2053  * vcn_v3_0_enc_ring_get_rptr - get enc read pointer
2054  *
2055  * @ring: amdgpu_ring pointer
2056  *
2057  * Returns the current hardware enc read pointer
2058  */
2059 static uint64_t vcn_v3_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
2060 {
2061 	struct amdgpu_device *adev = ring->adev;
2062 
2063 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
2064 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
2065 	else
2066 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
2067 }
2068 
2069 /**
2070  * vcn_v3_0_enc_ring_get_wptr - get enc write pointer
2071  *
2072  * @ring: amdgpu_ring pointer
2073  *
2074  * Returns the current hardware enc write pointer
2075  */
2076 static uint64_t vcn_v3_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
2077 {
2078 	struct amdgpu_device *adev = ring->adev;
2079 
2080 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
2081 		if (ring->use_doorbell)
2082 			return *ring->wptr_cpu_addr;
2083 		else
2084 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
2085 	} else {
2086 		if (ring->use_doorbell)
2087 			return *ring->wptr_cpu_addr;
2088 		else
2089 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
2090 	}
2091 }
2092 
2093 /**
2094  * vcn_v3_0_enc_ring_set_wptr - set enc write pointer
2095  *
2096  * @ring: amdgpu_ring pointer
2097  *
2098  * Commits the enc write pointer to the hardware
2099  */
2100 static void vcn_v3_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
2101 {
2102 	struct amdgpu_device *adev = ring->adev;
2103 
2104 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
2105 		if (ring->use_doorbell) {
2106 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
2107 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
2108 		} else {
2109 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
2110 		}
2111 	} else {
2112 		if (ring->use_doorbell) {
2113 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
2114 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
2115 		} else {
2116 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
2117 		}
2118 	}
2119 }
2120 
2121 static const struct amdgpu_ring_funcs vcn_v3_0_enc_ring_vm_funcs = {
2122 	.type = AMDGPU_RING_TYPE_VCN_ENC,
2123 	.align_mask = 0x3f,
2124 	.nop = VCN_ENC_CMD_NO_OP,
2125 	.get_rptr = vcn_v3_0_enc_ring_get_rptr,
2126 	.get_wptr = vcn_v3_0_enc_ring_get_wptr,
2127 	.set_wptr = vcn_v3_0_enc_ring_set_wptr,
2128 	.emit_frame_size =
2129 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2130 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2131 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
2132 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
2133 		1, /* vcn_v2_0_enc_ring_insert_end */
2134 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
2135 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
2136 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
2137 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
2138 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2139 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2140 	.insert_nop = amdgpu_ring_insert_nop,
2141 	.insert_end = vcn_v2_0_enc_ring_insert_end,
2142 	.pad_ib = amdgpu_ring_generic_pad_ib,
2143 	.begin_use = amdgpu_vcn_ring_begin_use,
2144 	.end_use = amdgpu_vcn_ring_end_use,
2145 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
2146 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
2147 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2148 	.reset = amdgpu_vcn_ring_reset,
2149 };
2150 
2151 static void vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2152 {
2153 	int i;
2154 
2155 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2156 		if (adev->vcn.harvest_config & (1 << i))
2157 			continue;
2158 
2159 		if (!DEC_SW_RING_ENABLED)
2160 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_ring_vm_funcs;
2161 		else
2162 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_sw_ring_vm_funcs;
2163 		adev->vcn.inst[i].ring_dec.me = i;
2164 	}
2165 }
2166 
2167 static void vcn_v3_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2168 {
2169 	int i, j;
2170 
2171 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2172 		if (adev->vcn.harvest_config & (1 << i))
2173 			continue;
2174 
2175 		for (j = 0; j < adev->vcn.inst[i].num_enc_rings; ++j) {
2176 			adev->vcn.inst[i].ring_enc[j].funcs = &vcn_v3_0_enc_ring_vm_funcs;
2177 			adev->vcn.inst[i].ring_enc[j].me = i;
2178 		}
2179 	}
2180 }
2181 
2182 static int vcn_v3_0_reset(struct amdgpu_vcn_inst *vinst)
2183 {
2184 	int r;
2185 
2186 	r = vcn_v3_0_stop(vinst);
2187 	if (r)
2188 		return r;
2189 	vcn_v3_0_enable_clock_gating(vinst);
2190 	vcn_v3_0_enable_static_power_gating(vinst);
2191 	return vcn_v3_0_start(vinst);
2192 }
2193 
2194 static bool vcn_v3_0_is_idle(struct amdgpu_ip_block *ip_block)
2195 {
2196 	struct amdgpu_device *adev = ip_block->adev;
2197 	int i, ret = 1;
2198 
2199 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2200 		if (adev->vcn.harvest_config & (1 << i))
2201 			continue;
2202 
2203 		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
2204 	}
2205 
2206 	return ret;
2207 }
2208 
2209 static int vcn_v3_0_wait_for_idle(struct amdgpu_ip_block *ip_block)
2210 {
2211 	struct amdgpu_device *adev = ip_block->adev;
2212 	int i, ret = 0;
2213 
2214 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2215 		if (adev->vcn.harvest_config & (1 << i))
2216 			continue;
2217 
2218 		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
2219 			UVD_STATUS__IDLE);
2220 		if (ret)
2221 			return ret;
2222 	}
2223 
2224 	return ret;
2225 }
2226 
2227 static int vcn_v3_0_set_clockgating_state(struct amdgpu_ip_block *ip_block,
2228 					  enum amd_clockgating_state state)
2229 {
2230 	struct amdgpu_device *adev = ip_block->adev;
2231 	bool enable = state == AMD_CG_STATE_GATE;
2232 	int i;
2233 
2234 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2235 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
2236 		if (adev->vcn.harvest_config & (1 << i))
2237 			continue;
2238 
2239 		if (enable) {
2240 			if (RREG32_SOC15(VCN, i, mmUVD_STATUS) != UVD_STATUS__IDLE)
2241 				return -EBUSY;
2242 			vcn_v3_0_enable_clock_gating(vinst);
2243 		} else {
2244 			vcn_v3_0_disable_clock_gating(vinst);
2245 		}
2246 	}
2247 
2248 	return 0;
2249 }
2250 
2251 static int vcn_v3_0_set_pg_state(struct amdgpu_vcn_inst *vinst,
2252 				 enum amd_powergating_state state)
2253 {
2254 	struct amdgpu_device *adev = vinst->adev;
2255 	int ret = 0;
2256 
2257 	/* for SRIOV, guest should not control VCN Power-gating
2258 	 * MMSCH FW should control Power-gating and clock-gating
2259 	 * guest should avoid touching CGC and PG
2260 	 */
2261 	if (amdgpu_sriov_vf(adev)) {
2262 		vinst->cur_state = AMD_PG_STATE_UNGATE;
2263 		return 0;
2264 	}
2265 
2266 	if (state == vinst->cur_state)
2267 		return 0;
2268 
2269 	if (state == AMD_PG_STATE_GATE)
2270 		ret = vcn_v3_0_stop(vinst);
2271 	else
2272 		ret = vcn_v3_0_start(vinst);
2273 
2274 	if (!ret)
2275 		vinst->cur_state = state;
2276 
2277 	return ret;
2278 }
2279 
2280 static int vcn_v3_0_set_interrupt_state(struct amdgpu_device *adev,
2281 					struct amdgpu_irq_src *source,
2282 					unsigned type,
2283 					enum amdgpu_interrupt_state state)
2284 {
2285 	return 0;
2286 }
2287 
2288 static int vcn_v3_0_process_interrupt(struct amdgpu_device *adev,
2289 				      struct amdgpu_irq_src *source,
2290 				      struct amdgpu_iv_entry *entry)
2291 {
2292 	uint32_t ip_instance;
2293 
2294 	switch (entry->client_id) {
2295 	case SOC15_IH_CLIENTID_VCN:
2296 		ip_instance = 0;
2297 		break;
2298 	case SOC15_IH_CLIENTID_VCN1:
2299 		ip_instance = 1;
2300 		break;
2301 	default:
2302 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
2303 		return 0;
2304 	}
2305 
2306 	DRM_DEBUG("IH: VCN TRAP\n");
2307 
2308 	switch (entry->src_id) {
2309 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
2310 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
2311 		break;
2312 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
2313 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
2314 		break;
2315 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
2316 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
2317 		break;
2318 	default:
2319 		DRM_ERROR("Unhandled interrupt: %d %d\n",
2320 			  entry->src_id, entry->src_data[0]);
2321 		break;
2322 	}
2323 
2324 	return 0;
2325 }
2326 
2327 static const struct amdgpu_irq_src_funcs vcn_v3_0_irq_funcs = {
2328 	.set = vcn_v3_0_set_interrupt_state,
2329 	.process = vcn_v3_0_process_interrupt,
2330 };
2331 
2332 static void vcn_v3_0_set_irq_funcs(struct amdgpu_device *adev)
2333 {
2334 	int i;
2335 
2336 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2337 		if (adev->vcn.harvest_config & (1 << i))
2338 			continue;
2339 
2340 		adev->vcn.inst[i].irq.num_types = adev->vcn.inst[i].num_enc_rings + 1;
2341 		adev->vcn.inst[i].irq.funcs = &vcn_v3_0_irq_funcs;
2342 	}
2343 }
2344 
2345 static const struct amd_ip_funcs vcn_v3_0_ip_funcs = {
2346 	.name = "vcn_v3_0",
2347 	.early_init = vcn_v3_0_early_init,
2348 	.sw_init = vcn_v3_0_sw_init,
2349 	.sw_fini = vcn_v3_0_sw_fini,
2350 	.hw_init = vcn_v3_0_hw_init,
2351 	.hw_fini = vcn_v3_0_hw_fini,
2352 	.suspend = vcn_v3_0_suspend,
2353 	.resume = vcn_v3_0_resume,
2354 	.is_idle = vcn_v3_0_is_idle,
2355 	.wait_for_idle = vcn_v3_0_wait_for_idle,
2356 	.set_clockgating_state = vcn_v3_0_set_clockgating_state,
2357 	.set_powergating_state = vcn_set_powergating_state,
2358 	.dump_ip_state = amdgpu_vcn_dump_ip_state,
2359 	.print_ip_state = amdgpu_vcn_print_ip_state,
2360 };
2361 
2362 const struct amdgpu_ip_block_version vcn_v3_0_ip_block = {
2363 	.type = AMD_IP_BLOCK_TYPE_VCN,
2364 	.major = 3,
2365 	.minor = 0,
2366 	.rev = 0,
2367 	.funcs = &vcn_v3_0_ip_funcs,
2368 };
2369