xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c (revision 172cdcaefea5c297fdb3d20b7d5aff60ae4fbce6)
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 "soc15.h"
29 #include "soc15d.h"
30 #include "vcn_v2_0.h"
31 #include "mmsch_v3_0.h"
32 
33 #include "vcn/vcn_3_0_0_offset.h"
34 #include "vcn/vcn_3_0_0_sh_mask.h"
35 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
36 
37 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
38 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
39 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
40 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
41 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
42 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
43 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
44 
45 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
46 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
47 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x3b5
48 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
49 
50 #define VCN_INSTANCES_SIENNA_CICHLID				2
51 #define DEC_SW_RING_ENABLED					FALSE
52 
53 #define RDECODE_MSG_CREATE					0x00000000
54 #define RDECODE_MESSAGE_CREATE					0x00000001
55 
56 static int amdgpu_ih_clientid_vcns[] = {
57 	SOC15_IH_CLIENTID_VCN,
58 	SOC15_IH_CLIENTID_VCN1
59 };
60 
61 static int amdgpu_ucode_id_vcns[] = {
62 	AMDGPU_UCODE_ID_VCN,
63 	AMDGPU_UCODE_ID_VCN1
64 };
65 
66 static int vcn_v3_0_start_sriov(struct amdgpu_device *adev);
67 static void vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev);
68 static void vcn_v3_0_set_enc_ring_funcs(struct amdgpu_device *adev);
69 static void vcn_v3_0_set_irq_funcs(struct amdgpu_device *adev);
70 static int vcn_v3_0_set_powergating_state(void *handle,
71 			enum amd_powergating_state state);
72 static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev,
73 			int inst_idx, struct dpg_pause_state *new_state);
74 
75 static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring);
76 static void vcn_v3_0_enc_ring_set_wptr(struct amdgpu_ring *ring);
77 
78 /**
79  * vcn_v3_0_early_init - set function pointers
80  *
81  * @handle: amdgpu_device pointer
82  *
83  * Set ring and irq function pointers
84  */
85 static int vcn_v3_0_early_init(void *handle)
86 {
87 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
88 
89 	if (amdgpu_sriov_vf(adev)) {
90 		adev->vcn.num_vcn_inst = VCN_INSTANCES_SIENNA_CICHLID;
91 		adev->vcn.harvest_config = 0;
92 		adev->vcn.num_enc_rings = 1;
93 
94 	} else {
95 		if (adev->asic_type == CHIP_SIENNA_CICHLID) {
96 			u32 harvest;
97 			int i;
98 
99 			adev->vcn.num_vcn_inst = VCN_INSTANCES_SIENNA_CICHLID;
100 			for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
101 				harvest = RREG32_SOC15(VCN, i, mmCC_UVD_HARVESTING);
102 				if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
103 					adev->vcn.harvest_config |= 1 << i;
104 			}
105 
106 			if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
107 						AMDGPU_VCN_HARVEST_VCN1))
108 				/* both instances are harvested, disable the block */
109 				return -ENOENT;
110 		} else
111 			adev->vcn.num_vcn_inst = 1;
112 
113 		adev->vcn.num_enc_rings = 2;
114 	}
115 
116 	vcn_v3_0_set_dec_ring_funcs(adev);
117 	vcn_v3_0_set_enc_ring_funcs(adev);
118 	vcn_v3_0_set_irq_funcs(adev);
119 
120 	return 0;
121 }
122 
123 /**
124  * vcn_v3_0_sw_init - sw init for VCN block
125  *
126  * @handle: amdgpu_device pointer
127  *
128  * Load firmware and sw initialization
129  */
130 static int vcn_v3_0_sw_init(void *handle)
131 {
132 	struct amdgpu_ring *ring;
133 	int i, j, r;
134 	int vcn_doorbell_index = 0;
135 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
136 
137 	r = amdgpu_vcn_sw_init(adev);
138 	if (r)
139 		return r;
140 
141 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
142 		const struct common_firmware_header *hdr;
143 		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
144 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].ucode_id = AMDGPU_UCODE_ID_VCN;
145 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].fw = adev->vcn.fw;
146 		adev->firmware.fw_size +=
147 			ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
148 
149 		if (adev->vcn.num_vcn_inst == VCN_INSTANCES_SIENNA_CICHLID) {
150 			adev->firmware.ucode[AMDGPU_UCODE_ID_VCN1].ucode_id = AMDGPU_UCODE_ID_VCN1;
151 			adev->firmware.ucode[AMDGPU_UCODE_ID_VCN1].fw = adev->vcn.fw;
152 			adev->firmware.fw_size +=
153 				ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
154 		}
155 		DRM_INFO("PSP loading VCN firmware\n");
156 	}
157 
158 	r = amdgpu_vcn_resume(adev);
159 	if (r)
160 		return r;
161 
162 	/*
163 	 * Note: doorbell assignment is fixed for SRIOV multiple VCN engines
164 	 * Formula:
165 	 *   vcn_db_base  = adev->doorbell_index.vcn.vcn_ring0_1 << 1;
166 	 *   dec_ring_i   = vcn_db_base + i * (adev->vcn.num_enc_rings + 1)
167 	 *   enc_ring_i,j = vcn_db_base + i * (adev->vcn.num_enc_rings + 1) + 1 + j
168 	 */
169 	if (amdgpu_sriov_vf(adev)) {
170 		vcn_doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1;
171 		/* get DWORD offset */
172 		vcn_doorbell_index = vcn_doorbell_index << 1;
173 	}
174 
175 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
176 		volatile struct amdgpu_fw_shared *fw_shared;
177 
178 		if (adev->vcn.harvest_config & (1 << i))
179 			continue;
180 
181 		adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
182 		adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
183 		adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
184 		adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
185 		adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
186 		adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
187 
188 		adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
189 		adev->vcn.inst[i].external.scratch9 = SOC15_REG_OFFSET(VCN, i, mmUVD_SCRATCH9);
190 		adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
191 		adev->vcn.inst[i].external.data0 = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_DATA0);
192 		adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
193 		adev->vcn.inst[i].external.data1 = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_DATA1);
194 		adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
195 		adev->vcn.inst[i].external.cmd = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_CMD);
196 		adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
197 		adev->vcn.inst[i].external.nop = SOC15_REG_OFFSET(VCN, i, mmUVD_NO_OP);
198 
199 		/* VCN DEC TRAP */
200 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
201 				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[i].irq);
202 		if (r)
203 			return r;
204 
205 		atomic_set(&adev->vcn.inst[i].sched_score, 0);
206 
207 		ring = &adev->vcn.inst[i].ring_dec;
208 		ring->use_doorbell = true;
209 		if (amdgpu_sriov_vf(adev)) {
210 			ring->doorbell_index = vcn_doorbell_index + i * (adev->vcn.num_enc_rings + 1);
211 		} else {
212 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i;
213 		}
214 		sprintf(ring->name, "vcn_dec_%d", i);
215 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
216 				     AMDGPU_RING_PRIO_DEFAULT,
217 				     &adev->vcn.inst[i].sched_score);
218 		if (r)
219 			return r;
220 
221 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
222 			/* VCN ENC TRAP */
223 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
224 				j + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
225 			if (r)
226 				return r;
227 
228 			ring = &adev->vcn.inst[i].ring_enc[j];
229 			ring->use_doorbell = true;
230 			if (amdgpu_sriov_vf(adev)) {
231 				ring->doorbell_index = vcn_doorbell_index + i * (adev->vcn.num_enc_rings + 1) + 1 + j;
232 			} else {
233 				ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + j + 8 * i;
234 			}
235 			sprintf(ring->name, "vcn_enc_%d.%d", i, j);
236 			r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
237 					     AMDGPU_RING_PRIO_DEFAULT,
238 					     &adev->vcn.inst[i].sched_score);
239 			if (r)
240 				return r;
241 		}
242 
243 		fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
244 		fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_SW_RING_FLAG) |
245 					     cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG) |
246 					     cpu_to_le32(AMDGPU_VCN_FW_SHARED_FLAG_0_RB);
247 		fw_shared->sw_ring.is_enabled = cpu_to_le32(DEC_SW_RING_ENABLED);
248 	}
249 
250 	if (amdgpu_sriov_vf(adev)) {
251 		r = amdgpu_virt_alloc_mm_table(adev);
252 		if (r)
253 			return r;
254 	}
255 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
256 		adev->vcn.pause_dpg_mode = vcn_v3_0_pause_dpg_mode;
257 
258 	return 0;
259 }
260 
261 /**
262  * vcn_v3_0_sw_fini - sw fini for VCN block
263  *
264  * @handle: amdgpu_device pointer
265  *
266  * VCN suspend and free up sw allocation
267  */
268 static int vcn_v3_0_sw_fini(void *handle)
269 {
270 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
271 	int i, r;
272 
273 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
274 		volatile struct amdgpu_fw_shared *fw_shared;
275 
276 		if (adev->vcn.harvest_config & (1 << i))
277 			continue;
278 		fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
279 		fw_shared->present_flag_0 = 0;
280 		fw_shared->sw_ring.is_enabled = false;
281 	}
282 
283 	if (amdgpu_sriov_vf(adev))
284 		amdgpu_virt_free_mm_table(adev);
285 
286 	r = amdgpu_vcn_suspend(adev);
287 	if (r)
288 		return r;
289 
290 	r = amdgpu_vcn_sw_fini(adev);
291 
292 	return r;
293 }
294 
295 /**
296  * vcn_v3_0_hw_init - start and test VCN block
297  *
298  * @handle: amdgpu_device pointer
299  *
300  * Initialize the hardware, boot up the VCPU and do some testing
301  */
302 static int vcn_v3_0_hw_init(void *handle)
303 {
304 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
305 	struct amdgpu_ring *ring;
306 	int i, j, r;
307 
308 	if (amdgpu_sriov_vf(adev)) {
309 		r = vcn_v3_0_start_sriov(adev);
310 		if (r)
311 			goto done;
312 
313 		/* initialize VCN dec and enc ring buffers */
314 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
315 			if (adev->vcn.harvest_config & (1 << i))
316 				continue;
317 
318 			ring = &adev->vcn.inst[i].ring_dec;
319 			if (ring->sched.ready) {
320 				ring->wptr = 0;
321 				ring->wptr_old = 0;
322 				vcn_v3_0_dec_ring_set_wptr(ring);
323 			}
324 
325 			for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
326 				ring = &adev->vcn.inst[i].ring_enc[j];
327 				if (ring->sched.ready) {
328 					ring->wptr = 0;
329 					ring->wptr_old = 0;
330 					vcn_v3_0_enc_ring_set_wptr(ring);
331 				}
332 			}
333 		}
334 	} else {
335 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
336 			if (adev->vcn.harvest_config & (1 << i))
337 				continue;
338 
339 			ring = &adev->vcn.inst[i].ring_dec;
340 
341 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
342 						     ring->doorbell_index, i);
343 
344 			r = amdgpu_ring_test_helper(ring);
345 			if (r)
346 				goto done;
347 
348 			for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
349 				ring = &adev->vcn.inst[i].ring_enc[j];
350 				r = amdgpu_ring_test_helper(ring);
351 				if (r)
352 					goto done;
353 			}
354 		}
355 	}
356 
357 done:
358 	if (!r)
359 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
360 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
361 
362 	return r;
363 }
364 
365 /**
366  * vcn_v3_0_hw_fini - stop the hardware block
367  *
368  * @handle: amdgpu_device pointer
369  *
370  * Stop the VCN block, mark ring as not ready any more
371  */
372 static int vcn_v3_0_hw_fini(void *handle)
373 {
374 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
375 	struct amdgpu_ring *ring;
376 	int i, j;
377 
378 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
379 		if (adev->vcn.harvest_config & (1 << i))
380 			continue;
381 
382 		ring = &adev->vcn.inst[i].ring_dec;
383 
384 		if (!amdgpu_sriov_vf(adev)) {
385 			if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
386 					(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
387 					 RREG32_SOC15(VCN, i, mmUVD_STATUS))) {
388 				vcn_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
389 			}
390 		}
391 		ring->sched.ready = false;
392 
393 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
394 			ring = &adev->vcn.inst[i].ring_enc[j];
395 			ring->sched.ready = false;
396 		}
397 	}
398 
399 	return 0;
400 }
401 
402 /**
403  * vcn_v3_0_suspend - suspend VCN block
404  *
405  * @handle: amdgpu_device pointer
406  *
407  * HW fini and suspend VCN block
408  */
409 static int vcn_v3_0_suspend(void *handle)
410 {
411 	int r;
412 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
413 
414 	r = vcn_v3_0_hw_fini(adev);
415 	if (r)
416 		return r;
417 
418 	r = amdgpu_vcn_suspend(adev);
419 
420 	return r;
421 }
422 
423 /**
424  * vcn_v3_0_resume - resume VCN block
425  *
426  * @handle: amdgpu_device pointer
427  *
428  * Resume firmware and hw init VCN block
429  */
430 static int vcn_v3_0_resume(void *handle)
431 {
432 	int r;
433 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
434 
435 	r = amdgpu_vcn_resume(adev);
436 	if (r)
437 		return r;
438 
439 	r = vcn_v3_0_hw_init(adev);
440 
441 	return r;
442 }
443 
444 /**
445  * vcn_v3_0_mc_resume - memory controller programming
446  *
447  * @adev: amdgpu_device pointer
448  * @inst: instance number
449  *
450  * Let the VCN memory controller know it's offsets
451  */
452 static void vcn_v3_0_mc_resume(struct amdgpu_device *adev, int inst)
453 {
454 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
455 	uint32_t offset;
456 
457 	/* cache window 0: fw */
458 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
459 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
460 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
461 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
462 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
463 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0, 0);
464 		offset = 0;
465 	} else {
466 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
467 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
468 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
469 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
470 		offset = size;
471 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0,
472 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
473 	}
474 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE0, size);
475 
476 	/* cache window 1: stack */
477 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
478 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
479 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
480 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
481 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET1, 0);
482 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
483 
484 	/* cache window 2: context */
485 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
486 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
487 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
488 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
489 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET2, 0);
490 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
491 
492 	/* non-cache window */
493 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
494 		lower_32_bits(adev->vcn.inst[inst].fw_shared_gpu_addr));
495 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
496 		upper_32_bits(adev->vcn.inst[inst].fw_shared_gpu_addr));
497 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
498 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_SIZE0,
499 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
500 }
501 
502 static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
503 {
504 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
505 	uint32_t offset;
506 
507 	/* cache window 0: fw */
508 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
509 		if (!indirect) {
510 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
511 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
512 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
513 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
514 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
515 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
516 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
517 				VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
518 		} else {
519 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
520 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
521 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
522 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
523 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
524 				VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
525 		}
526 		offset = 0;
527 	} else {
528 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
529 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
530 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
531 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
532 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
533 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
534 		offset = size;
535 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
536 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0),
537 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
538 	}
539 
540 	if (!indirect)
541 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
542 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
543 	else
544 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
545 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
546 
547 	/* cache window 1: stack */
548 	if (!indirect) {
549 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
550 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
551 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
552 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
553 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
554 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
555 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
556 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
557 	} else {
558 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
559 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
560 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
561 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
562 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
563 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
564 	}
565 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
566 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
567 
568 	/* cache window 2: context */
569 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
570 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
571 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
572 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
573 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
574 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
575 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
576 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
577 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
578 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
579 
580 	/* non-cache window */
581 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
582 			VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
583 			lower_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
584 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
585 			VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
586 			upper_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
587 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
588 			VCN, inst_idx, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
589 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
590 			VCN, inst_idx, mmUVD_VCPU_NONCACHE_SIZE0),
591 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
592 
593 	/* VCN global tiling registers */
594 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
595 		UVD, 0, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
596 }
597 
598 static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
599 {
600 	uint32_t data = 0;
601 
602 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
603 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
604 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
605 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
606 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
607 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
608 			| 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
609 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
610 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
611 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
612 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
613 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
614 			| 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
615 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
616 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
617 
618 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
619 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS,
620 			UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF);
621 	} else {
622 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
623 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
624 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
625 			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
626 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
627 			| 1 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
628 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
629 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
630 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
631 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
632 			| 1 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
633 			| 1 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
634 			| 1 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
635 			| 1 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
636 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
637 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, 0,  0x3F3FFFFF);
638 	}
639 
640 	data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
641 	data &= ~0x103;
642 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
643 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
644 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
645 
646 	WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
647 }
648 
649 static void vcn_v3_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
650 {
651 	uint32_t data;
652 
653 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
654 		/* Before power off, this indicator has to be turned on */
655 		data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
656 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
657 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
658 		WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
659 
660 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
661 			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
662 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
663 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
664 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
665 			| 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
666 			| 2 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
667 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
668 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
669 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
670 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
671 			| 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
672 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
673 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
674 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
675 
676 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
677 			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
678 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
679 			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
680 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
681 			| 2 << UVD_PGFSM_STATUS__UVDIRL_PWR_STATUS__SHIFT
682 			| 2 << UVD_PGFSM_STATUS__UVDLM_PWR_STATUS__SHIFT
683 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
684 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
685 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
686 			| 2 << UVD_PGFSM_STATUS__UVDAB_PWR_STATUS__SHIFT
687 			| 2 << UVD_PGFSM_STATUS__UVDATD_PWR_STATUS__SHIFT
688 			| 2 << UVD_PGFSM_STATUS__UVDNA_PWR_STATUS__SHIFT
689 			| 2 << UVD_PGFSM_STATUS__UVDNB_PWR_STATUS__SHIFT);
690 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, data, 0x3F3FFFFF);
691 	}
692 }
693 
694 /**
695  * vcn_v3_0_disable_clock_gating - disable VCN clock gating
696  *
697  * @adev: amdgpu_device pointer
698  * @inst: instance number
699  *
700  * Disable clock gating for VCN block
701  */
702 static void vcn_v3_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
703 {
704 	uint32_t data;
705 
706 	/* VCN disable CGC */
707 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
708 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
709 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
710 	else
711 		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
712 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
713 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
714 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
715 
716 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_GATE);
717 	data &= ~(UVD_CGC_GATE__SYS_MASK
718 		| UVD_CGC_GATE__UDEC_MASK
719 		| UVD_CGC_GATE__MPEG2_MASK
720 		| UVD_CGC_GATE__REGS_MASK
721 		| UVD_CGC_GATE__RBC_MASK
722 		| UVD_CGC_GATE__LMI_MC_MASK
723 		| UVD_CGC_GATE__LMI_UMC_MASK
724 		| UVD_CGC_GATE__IDCT_MASK
725 		| UVD_CGC_GATE__MPRD_MASK
726 		| UVD_CGC_GATE__MPC_MASK
727 		| UVD_CGC_GATE__LBSI_MASK
728 		| UVD_CGC_GATE__LRBBM_MASK
729 		| UVD_CGC_GATE__UDEC_RE_MASK
730 		| UVD_CGC_GATE__UDEC_CM_MASK
731 		| UVD_CGC_GATE__UDEC_IT_MASK
732 		| UVD_CGC_GATE__UDEC_DB_MASK
733 		| UVD_CGC_GATE__UDEC_MP_MASK
734 		| UVD_CGC_GATE__WCB_MASK
735 		| UVD_CGC_GATE__VCPU_MASK
736 		| UVD_CGC_GATE__MMSCH_MASK);
737 
738 	WREG32_SOC15(VCN, inst, mmUVD_CGC_GATE, data);
739 
740 	SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
741 
742 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
743 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
744 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
745 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
746 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
747 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
748 		| UVD_CGC_CTRL__SYS_MODE_MASK
749 		| UVD_CGC_CTRL__UDEC_MODE_MASK
750 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
751 		| UVD_CGC_CTRL__REGS_MODE_MASK
752 		| UVD_CGC_CTRL__RBC_MODE_MASK
753 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
754 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
755 		| UVD_CGC_CTRL__IDCT_MODE_MASK
756 		| UVD_CGC_CTRL__MPRD_MODE_MASK
757 		| UVD_CGC_CTRL__MPC_MODE_MASK
758 		| UVD_CGC_CTRL__LBSI_MODE_MASK
759 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
760 		| UVD_CGC_CTRL__WCB_MODE_MASK
761 		| UVD_CGC_CTRL__VCPU_MODE_MASK
762 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
763 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
764 
765 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE);
766 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
767 		| UVD_SUVD_CGC_GATE__SIT_MASK
768 		| UVD_SUVD_CGC_GATE__SMP_MASK
769 		| UVD_SUVD_CGC_GATE__SCM_MASK
770 		| UVD_SUVD_CGC_GATE__SDB_MASK
771 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
772 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
773 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
774 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
775 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
776 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
777 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
778 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
779 		| UVD_SUVD_CGC_GATE__SCLR_MASK
780 		| UVD_SUVD_CGC_GATE__ENT_MASK
781 		| UVD_SUVD_CGC_GATE__IME_MASK
782 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
783 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
784 		| UVD_SUVD_CGC_GATE__SITE_MASK
785 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
786 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
787 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
788 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
789 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK
790 		| UVD_SUVD_CGC_GATE__EFC_MASK
791 		| UVD_SUVD_CGC_GATE__SAOE_MASK
792 		| UVD_SUVD_CGC_GATE__SRE_AV1_MASK
793 		| UVD_SUVD_CGC_GATE__FBC_PCLK_MASK
794 		| UVD_SUVD_CGC_GATE__FBC_CCLK_MASK
795 		| UVD_SUVD_CGC_GATE__SCM_AV1_MASK
796 		| UVD_SUVD_CGC_GATE__SMPA_MASK);
797 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE, data);
798 
799 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2);
800 	data |= (UVD_SUVD_CGC_GATE2__MPBE0_MASK
801 		| UVD_SUVD_CGC_GATE2__MPBE1_MASK
802 		| UVD_SUVD_CGC_GATE2__SIT_AV1_MASK
803 		| UVD_SUVD_CGC_GATE2__SDB_AV1_MASK
804 		| UVD_SUVD_CGC_GATE2__MPC1_MASK);
805 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2, data);
806 
807 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL);
808 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
809 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
810 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
811 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
812 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
813 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
814 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
815 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
816 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK
817 		| UVD_SUVD_CGC_CTRL__EFC_MODE_MASK
818 		| UVD_SUVD_CGC_CTRL__SAOE_MODE_MASK
819 		| UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK
820 		| UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK
821 		| UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK
822 		| UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK
823 		| UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK
824 		| UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK
825 		| UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK
826 		| UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK);
827 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
828 }
829 
830 static void vcn_v3_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
831 		uint8_t sram_sel, int inst_idx, uint8_t indirect)
832 {
833 	uint32_t reg_data = 0;
834 
835 	/* enable sw clock gating control */
836 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
837 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
838 	else
839 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
840 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
841 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
842 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
843 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
844 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
845 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
846 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
847 		 UVD_CGC_CTRL__SYS_MODE_MASK |
848 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
849 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
850 		 UVD_CGC_CTRL__REGS_MODE_MASK |
851 		 UVD_CGC_CTRL__RBC_MODE_MASK |
852 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
853 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
854 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
855 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
856 		 UVD_CGC_CTRL__MPC_MODE_MASK |
857 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
858 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
859 		 UVD_CGC_CTRL__WCB_MODE_MASK |
860 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
861 		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
862 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
863 		VCN, inst_idx, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
864 
865 	/* turn off clock gating */
866 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
867 		VCN, inst_idx, mmUVD_CGC_GATE), 0, sram_sel, indirect);
868 
869 	/* turn on SUVD clock gating */
870 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
871 		VCN, inst_idx, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
872 
873 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
874 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
875 		VCN, inst_idx, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
876 }
877 
878 /**
879  * vcn_v3_0_enable_clock_gating - enable VCN clock gating
880  *
881  * @adev: amdgpu_device pointer
882  * @inst: instance number
883  *
884  * Enable clock gating for VCN block
885  */
886 static void vcn_v3_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
887 {
888 	uint32_t data;
889 
890 	/* enable VCN CGC */
891 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
892 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
893 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
894 	else
895 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
896 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
897 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
898 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
899 
900 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
901 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
902 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
903 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
904 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
905 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
906 		| UVD_CGC_CTRL__SYS_MODE_MASK
907 		| UVD_CGC_CTRL__UDEC_MODE_MASK
908 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
909 		| UVD_CGC_CTRL__REGS_MODE_MASK
910 		| UVD_CGC_CTRL__RBC_MODE_MASK
911 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
912 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
913 		| UVD_CGC_CTRL__IDCT_MODE_MASK
914 		| UVD_CGC_CTRL__MPRD_MODE_MASK
915 		| UVD_CGC_CTRL__MPC_MODE_MASK
916 		| UVD_CGC_CTRL__LBSI_MODE_MASK
917 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
918 		| UVD_CGC_CTRL__WCB_MODE_MASK
919 		| UVD_CGC_CTRL__VCPU_MODE_MASK
920 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
921 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
922 
923 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL);
924 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
925 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
926 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
927 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
928 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
929 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
930 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
931 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
932 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK
933 		| UVD_SUVD_CGC_CTRL__EFC_MODE_MASK
934 		| UVD_SUVD_CGC_CTRL__SAOE_MODE_MASK
935 		| UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK
936 		| UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK
937 		| UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK
938 		| UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK
939 		| UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK
940 		| UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK
941 		| UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK
942 		| UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK);
943 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
944 }
945 
946 static int vcn_v3_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
947 {
948 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
949 	struct amdgpu_ring *ring;
950 	uint32_t rb_bufsz, tmp;
951 
952 	/* disable register anti-hang mechanism */
953 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
954 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
955 	/* enable dynamic power gating mode */
956 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
957 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
958 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
959 	WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
960 
961 	if (indirect)
962 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
963 
964 	/* enable clock gating */
965 	vcn_v3_0_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
966 
967 	/* enable VCPU clock */
968 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
969 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
970 	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
971 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
972 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
973 
974 	/* disable master interupt */
975 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
976 		VCN, inst_idx, mmUVD_MASTINT_EN), 0, 0, indirect);
977 
978 	/* setup mmUVD_LMI_CTRL */
979 	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
980 		UVD_LMI_CTRL__REQ_MODE_MASK |
981 		UVD_LMI_CTRL__CRC_RESET_MASK |
982 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
983 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
984 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
985 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
986 		0x00100000L);
987 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
988 		VCN, inst_idx, mmUVD_LMI_CTRL), tmp, 0, indirect);
989 
990 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
991 		VCN, inst_idx, mmUVD_MPC_CNTL),
992 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
993 
994 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
995 		VCN, inst_idx, mmUVD_MPC_SET_MUXA0),
996 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
997 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
998 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
999 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
1000 
1001 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1002 		VCN, inst_idx, mmUVD_MPC_SET_MUXB0),
1003 		 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1004 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1005 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1006 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
1007 
1008 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1009 		VCN, inst_idx, mmUVD_MPC_SET_MUX),
1010 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1011 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1012 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
1013 
1014 	vcn_v3_0_mc_resume_dpg_mode(adev, inst_idx, indirect);
1015 
1016 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1017 		VCN, inst_idx, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
1018 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1019 		VCN, inst_idx, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
1020 
1021 	/* enable LMI MC and UMC channels */
1022 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1023 		VCN, inst_idx, mmUVD_LMI_CTRL2), 0, 0, indirect);
1024 
1025 	/* unblock VCPU register access */
1026 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1027 		VCN, inst_idx, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
1028 
1029 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1030 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1031 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1032 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1033 
1034 	/* enable master interrupt */
1035 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1036 		VCN, inst_idx, mmUVD_MASTINT_EN),
1037 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
1038 
1039 	/* add nop to workaround PSP size check */
1040 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1041 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1042 
1043 	if (indirect)
1044 		psp_update_vcn_sram(adev, inst_idx, adev->vcn.inst[inst_idx].dpg_sram_gpu_addr,
1045 			(uint32_t)((uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_curr_addr -
1046 				(uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr));
1047 
1048 	ring = &adev->vcn.inst[inst_idx].ring_dec;
1049 	/* force RBC into idle state */
1050 	rb_bufsz = order_base_2(ring->ring_size);
1051 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1052 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1053 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1054 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1055 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1056 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
1057 
1058 	/* Stall DPG before WPTR/RPTR reset */
1059 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1060 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1061 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1062 	fw_shared->multi_queue.decode_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1063 
1064 	/* set the write pointer delay */
1065 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
1066 
1067 	/* set the wb address */
1068 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
1069 		(upper_32_bits(ring->gpu_addr) >> 2));
1070 
1071 	/* programm the RB_BASE for ring buffer */
1072 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1073 		lower_32_bits(ring->gpu_addr));
1074 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1075 		upper_32_bits(ring->gpu_addr));
1076 
1077 	/* Initialize the ring buffer's read and write pointers */
1078 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
1079 
1080 	WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
1081 
1082 	ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
1083 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
1084 		lower_32_bits(ring->wptr));
1085 
1086 	/* Reset FW shared memory RBC WPTR/RPTR */
1087 	fw_shared->rb.rptr = 0;
1088 	fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1089 
1090 	/*resetting done, fw can check RB ring */
1091 	fw_shared->multi_queue.decode_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1092 
1093 	/* Unstall DPG */
1094 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1095 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1096 
1097 	return 0;
1098 }
1099 
1100 static int vcn_v3_0_start(struct amdgpu_device *adev)
1101 {
1102 	volatile struct amdgpu_fw_shared *fw_shared;
1103 	struct amdgpu_ring *ring;
1104 	uint32_t rb_bufsz, tmp;
1105 	int i, j, k, r;
1106 
1107 	if (adev->pm.dpm_enabled)
1108 		amdgpu_dpm_enable_uvd(adev, true);
1109 
1110 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1111 		if (adev->vcn.harvest_config & (1 << i))
1112 			continue;
1113 
1114 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG){
1115 			r = vcn_v3_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
1116 			continue;
1117 		}
1118 
1119 		/* disable VCN power gating */
1120 		vcn_v3_0_disable_static_power_gating(adev, i);
1121 
1122 		/* set VCN status busy */
1123 		tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
1124 		WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
1125 
1126 		/*SW clock gating */
1127 		vcn_v3_0_disable_clock_gating(adev, i);
1128 
1129 		/* enable VCPU clock */
1130 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1131 			UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1132 
1133 		/* disable master interrupt */
1134 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
1135 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1136 
1137 		/* enable LMI MC and UMC channels */
1138 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
1139 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1140 
1141 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1142 		tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1143 		tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1144 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1145 
1146 		/* setup mmUVD_LMI_CTRL */
1147 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
1148 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp |
1149 			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
1150 			UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1151 			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1152 			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1153 
1154 		/* setup mmUVD_MPC_CNTL */
1155 		tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
1156 		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1157 		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1158 		WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
1159 
1160 		/* setup UVD_MPC_SET_MUXA0 */
1161 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
1162 			((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1163 			(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1164 			(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1165 			(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1166 
1167 		/* setup UVD_MPC_SET_MUXB0 */
1168 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
1169 			((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1170 			(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1171 			(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1172 			(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1173 
1174 		/* setup mmUVD_MPC_SET_MUX */
1175 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
1176 			((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1177 			(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1178 			(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1179 
1180 		vcn_v3_0_mc_resume(adev, i);
1181 
1182 		/* VCN global tiling registers */
1183 		WREG32_SOC15(VCN, i, mmUVD_GFX10_ADDR_CONFIG,
1184 			adev->gfx.config.gb_addr_config);
1185 
1186 		/* unblock VCPU register access */
1187 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
1188 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1189 
1190 		/* release VCPU reset to boot */
1191 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1192 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1193 
1194 		for (j = 0; j < 10; ++j) {
1195 			uint32_t status;
1196 
1197 			for (k = 0; k < 100; ++k) {
1198 				status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
1199 				if (status & 2)
1200 					break;
1201 				mdelay(10);
1202 			}
1203 			r = 0;
1204 			if (status & 2)
1205 				break;
1206 
1207 			DRM_ERROR("VCN[%d] decode not responding, trying to reset the VCPU!!!\n", i);
1208 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1209 				UVD_VCPU_CNTL__BLK_RST_MASK,
1210 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1211 			mdelay(10);
1212 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1213 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1214 
1215 			mdelay(10);
1216 			r = -1;
1217 		}
1218 
1219 		if (r) {
1220 			DRM_ERROR("VCN[%d] decode not responding, giving up!!!\n", i);
1221 			return r;
1222 		}
1223 
1224 		/* enable master interrupt */
1225 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
1226 			UVD_MASTINT_EN__VCPU_EN_MASK,
1227 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1228 
1229 		/* clear the busy bit of VCN_STATUS */
1230 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
1231 			~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1232 
1233 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
1234 
1235 		ring = &adev->vcn.inst[i].ring_dec;
1236 		/* force RBC into idle state */
1237 		rb_bufsz = order_base_2(ring->ring_size);
1238 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1239 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1240 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1241 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1242 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1243 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
1244 
1245 		fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
1246 		fw_shared->multi_queue.decode_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1247 
1248 		/* programm the RB_BASE for ring buffer */
1249 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1250 			lower_32_bits(ring->gpu_addr));
1251 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1252 			upper_32_bits(ring->gpu_addr));
1253 
1254 		/* Initialize the ring buffer's read and write pointers */
1255 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
1256 
1257 		WREG32_SOC15(VCN, i, mmUVD_SCRATCH2, 0);
1258 		ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
1259 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
1260 			lower_32_bits(ring->wptr));
1261 		fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1262 		fw_shared->multi_queue.decode_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1263 
1264 		fw_shared->multi_queue.encode_generalpurpose_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1265 		ring = &adev->vcn.inst[i].ring_enc[0];
1266 		WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1267 		WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1268 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
1269 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1270 		WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
1271 		fw_shared->multi_queue.encode_generalpurpose_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1272 
1273 		fw_shared->multi_queue.encode_lowlatency_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1274 		ring = &adev->vcn.inst[i].ring_enc[1];
1275 		WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1276 		WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1277 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1278 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1279 		WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
1280 		fw_shared->multi_queue.encode_lowlatency_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1281 	}
1282 
1283 	return 0;
1284 }
1285 
1286 static int vcn_v3_0_start_sriov(struct amdgpu_device *adev)
1287 {
1288 	int i, j;
1289 	struct amdgpu_ring *ring;
1290 	uint64_t cache_addr;
1291 	uint64_t rb_addr;
1292 	uint64_t ctx_addr;
1293 	uint32_t param, resp, expected;
1294 	uint32_t offset, cache_size;
1295 	uint32_t tmp, timeout;
1296 	uint32_t id;
1297 
1298 	struct amdgpu_mm_table *table = &adev->virt.mm_table;
1299 	uint32_t *table_loc;
1300 	uint32_t table_size;
1301 	uint32_t size, size_dw;
1302 
1303 	bool is_vcn_ready;
1304 
1305 	struct mmsch_v3_0_cmd_direct_write
1306 		direct_wt = { {0} };
1307 	struct mmsch_v3_0_cmd_direct_read_modify_write
1308 		direct_rd_mod_wt = { {0} };
1309 	struct mmsch_v3_0_cmd_end end = { {0} };
1310 	struct mmsch_v3_0_init_header header;
1311 
1312 	direct_wt.cmd_header.command_type =
1313 		MMSCH_COMMAND__DIRECT_REG_WRITE;
1314 	direct_rd_mod_wt.cmd_header.command_type =
1315 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1316 	end.cmd_header.command_type =
1317 		MMSCH_COMMAND__END;
1318 
1319 	header.version = MMSCH_VERSION;
1320 	header.total_size = sizeof(struct mmsch_v3_0_init_header) >> 2;
1321 	for (i = 0; i < AMDGPU_MAX_VCN_INSTANCES; i++) {
1322 		header.inst[i].init_status = 0;
1323 		header.inst[i].table_offset = 0;
1324 		header.inst[i].table_size = 0;
1325 	}
1326 
1327 	table_loc = (uint32_t *)table->cpu_addr;
1328 	table_loc += header.total_size;
1329 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1330 		if (adev->vcn.harvest_config & (1 << i))
1331 			continue;
1332 
1333 		table_size = 0;
1334 
1335 		MMSCH_V3_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCN, i,
1336 			mmUVD_STATUS),
1337 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1338 
1339 		cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
1340 
1341 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1342 			id = amdgpu_ucode_id_vcns[i];
1343 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1344 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1345 				adev->firmware.ucode[id].tmr_mc_addr_lo);
1346 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1347 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1348 				adev->firmware.ucode[id].tmr_mc_addr_hi);
1349 			offset = 0;
1350 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1351 				mmUVD_VCPU_CACHE_OFFSET0),
1352 				0);
1353 		} else {
1354 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1355 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1356 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1357 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1358 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1359 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1360 			offset = cache_size;
1361 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1362 				mmUVD_VCPU_CACHE_OFFSET0),
1363 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1364 		}
1365 
1366 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1367 			mmUVD_VCPU_CACHE_SIZE0),
1368 			cache_size);
1369 
1370 		cache_addr = adev->vcn.inst[i].gpu_addr + offset;
1371 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1372 			mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1373 			lower_32_bits(cache_addr));
1374 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1375 			mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1376 			upper_32_bits(cache_addr));
1377 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1378 			mmUVD_VCPU_CACHE_OFFSET1),
1379 			0);
1380 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1381 			mmUVD_VCPU_CACHE_SIZE1),
1382 			AMDGPU_VCN_STACK_SIZE);
1383 
1384 		cache_addr = adev->vcn.inst[i].gpu_addr + offset +
1385 			AMDGPU_VCN_STACK_SIZE;
1386 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1387 			mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1388 			lower_32_bits(cache_addr));
1389 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1390 			mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1391 			upper_32_bits(cache_addr));
1392 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1393 			mmUVD_VCPU_CACHE_OFFSET2),
1394 			0);
1395 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1396 			mmUVD_VCPU_CACHE_SIZE2),
1397 			AMDGPU_VCN_CONTEXT_SIZE);
1398 
1399 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
1400 			ring = &adev->vcn.inst[i].ring_enc[j];
1401 			ring->wptr = 0;
1402 			rb_addr = ring->gpu_addr;
1403 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1404 				mmUVD_RB_BASE_LO),
1405 				lower_32_bits(rb_addr));
1406 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1407 				mmUVD_RB_BASE_HI),
1408 				upper_32_bits(rb_addr));
1409 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1410 				mmUVD_RB_SIZE),
1411 				ring->ring_size / 4);
1412 		}
1413 
1414 		ring = &adev->vcn.inst[i].ring_dec;
1415 		ring->wptr = 0;
1416 		rb_addr = ring->gpu_addr;
1417 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1418 			mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1419 			lower_32_bits(rb_addr));
1420 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1421 			mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1422 			upper_32_bits(rb_addr));
1423 		/* force RBC into idle state */
1424 		tmp = order_base_2(ring->ring_size);
1425 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp);
1426 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1427 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1428 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1429 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1430 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1431 			mmUVD_RBC_RB_CNTL),
1432 			tmp);
1433 
1434 		/* add end packet */
1435 		MMSCH_V3_0_INSERT_END();
1436 
1437 		/* refine header */
1438 		header.inst[i].init_status = 0;
1439 		header.inst[i].table_offset = header.total_size;
1440 		header.inst[i].table_size = table_size;
1441 		header.total_size += table_size;
1442 	}
1443 
1444 	/* Update init table header in memory */
1445 	size = sizeof(struct mmsch_v3_0_init_header);
1446 	table_loc = (uint32_t *)table->cpu_addr;
1447 	memcpy((void *)table_loc, &header, size);
1448 
1449 	/* message MMSCH (in VCN[0]) to initialize this client
1450 	 * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1451 	 * of memory descriptor location
1452 	 */
1453 	ctx_addr = table->gpu_addr;
1454 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
1455 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
1456 
1457 	/* 2, update vmid of descriptor */
1458 	tmp = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
1459 	tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1460 	/* use domain0 for MM scheduler */
1461 	tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1462 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, tmp);
1463 
1464 	/* 3, notify mmsch about the size of this descriptor */
1465 	size = header.total_size;
1466 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
1467 
1468 	/* 4, set resp to zero */
1469 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1470 
1471 	/* 5, kick off the initialization and wait until
1472 	 * MMSCH_VF_MAILBOX_RESP becomes non-zero
1473 	 */
1474 	param = 0x10000001;
1475 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, param);
1476 	tmp = 0;
1477 	timeout = 1000;
1478 	resp = 0;
1479 	expected = param + 1;
1480 	while (resp != expected) {
1481 		resp = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1482 		if (resp == expected)
1483 			break;
1484 
1485 		udelay(10);
1486 		tmp = tmp + 10;
1487 		if (tmp >= timeout) {
1488 			DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
1489 				" waiting for mmMMSCH_VF_MAILBOX_RESP "\
1490 				"(expected=0x%08x, readback=0x%08x)\n",
1491 				tmp, expected, resp);
1492 			return -EBUSY;
1493 		}
1494 	}
1495 
1496 	/* 6, check each VCN's init_status
1497 	 * if it remains as 0, then this VCN is not assigned to current VF
1498 	 * do not start ring for this VCN
1499 	 */
1500 	size = sizeof(struct mmsch_v3_0_init_header);
1501 	table_loc = (uint32_t *)table->cpu_addr;
1502 	memcpy(&header, (void *)table_loc, size);
1503 
1504 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1505 		if (adev->vcn.harvest_config & (1 << i))
1506 			continue;
1507 
1508 		is_vcn_ready = (header.inst[i].init_status == 1);
1509 		if (!is_vcn_ready)
1510 			DRM_INFO("VCN(%d) engine is disabled by hypervisor\n", i);
1511 
1512 		ring = &adev->vcn.inst[i].ring_dec;
1513 		ring->sched.ready = is_vcn_ready;
1514 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
1515 			ring = &adev->vcn.inst[i].ring_enc[j];
1516 			ring->sched.ready = is_vcn_ready;
1517 		}
1518 	}
1519 
1520 	return 0;
1521 }
1522 
1523 static int vcn_v3_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
1524 {
1525 	uint32_t tmp;
1526 
1527 	/* Wait for power status to be 1 */
1528 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1529 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1530 
1531 	/* wait for read ptr to be equal to write ptr */
1532 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
1533 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1534 
1535 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
1536 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1537 
1538 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1539 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1540 
1541 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1542 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1543 
1544 	/* disable dynamic power gating mode */
1545 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
1546 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1547 
1548 	return 0;
1549 }
1550 
1551 static int vcn_v3_0_stop(struct amdgpu_device *adev)
1552 {
1553 	uint32_t tmp;
1554 	int i, r = 0;
1555 
1556 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1557 		if (adev->vcn.harvest_config & (1 << i))
1558 			continue;
1559 
1560 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1561 			r = vcn_v3_0_stop_dpg_mode(adev, i);
1562 			continue;
1563 		}
1564 
1565 		/* wait for vcn idle */
1566 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1567 		if (r)
1568 			return r;
1569 
1570 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1571 			UVD_LMI_STATUS__READ_CLEAN_MASK |
1572 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1573 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1574 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1575 		if (r)
1576 			return r;
1577 
1578 		/* disable LMI UMC channel */
1579 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
1580 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1581 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
1582 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1583 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1584 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1585 		if (r)
1586 			return r;
1587 
1588 		/* block VCPU register access */
1589 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
1590 			UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1591 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1592 
1593 		/* reset VCPU */
1594 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1595 			UVD_VCPU_CNTL__BLK_RST_MASK,
1596 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1597 
1598 		/* disable VCPU clock */
1599 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1600 			~(UVD_VCPU_CNTL__CLK_EN_MASK));
1601 
1602 		/* apply soft reset */
1603 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1604 		tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1605 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1606 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1607 		tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1608 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1609 
1610 		/* clear status */
1611 		WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
1612 
1613 		/* apply HW clock gating */
1614 		vcn_v3_0_enable_clock_gating(adev, i);
1615 
1616 		/* enable VCN power gating */
1617 		vcn_v3_0_enable_static_power_gating(adev, i);
1618 	}
1619 
1620 	if (adev->pm.dpm_enabled)
1621 		amdgpu_dpm_enable_uvd(adev, false);
1622 
1623 	return 0;
1624 }
1625 
1626 static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev,
1627 		   int inst_idx, struct dpg_pause_state *new_state)
1628 {
1629 	volatile struct amdgpu_fw_shared *fw_shared;
1630 	struct amdgpu_ring *ring;
1631 	uint32_t reg_data = 0;
1632 	int ret_code;
1633 
1634 	/* pause/unpause if state is changed */
1635 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1636 		DRM_DEBUG("dpg pause state changed %d -> %d",
1637 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1638 		reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
1639 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1640 
1641 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1642 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1643 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1644 
1645 			if (!ret_code) {
1646 				/* pause DPG */
1647 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1648 				WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1649 
1650 				/* wait for ACK */
1651 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
1652 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1653 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1654 
1655 				/* Stall DPG before WPTR/RPTR reset */
1656 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1657 					UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1658 					~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1659 
1660 				/* Restore */
1661 				fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
1662 				fw_shared->multi_queue.encode_generalpurpose_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1663 				ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1664 				ring->wptr = 0;
1665 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
1666 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1667 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
1668 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1669 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1670 				fw_shared->multi_queue.encode_generalpurpose_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1671 
1672 				fw_shared->multi_queue.encode_lowlatency_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1673 				ring = &adev->vcn.inst[inst_idx].ring_enc[1];
1674 				ring->wptr = 0;
1675 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1676 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1677 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
1678 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1679 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1680 				fw_shared->multi_queue.encode_lowlatency_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1681 
1682 				/* restore wptr/rptr with pointers saved in FW shared memory*/
1683 				WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, fw_shared->rb.rptr);
1684 				WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR, fw_shared->rb.wptr);
1685 
1686 				/* Unstall DPG */
1687 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1688 					0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1689 
1690 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
1691 					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1692 			}
1693 		} else {
1694 			/* unpause dpg, no need to wait */
1695 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1696 			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1697 		}
1698 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1699 	}
1700 
1701 	return 0;
1702 }
1703 
1704 /**
1705  * vcn_v3_0_dec_ring_get_rptr - get read pointer
1706  *
1707  * @ring: amdgpu_ring pointer
1708  *
1709  * Returns the current hardware read pointer
1710  */
1711 static uint64_t vcn_v3_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1712 {
1713 	struct amdgpu_device *adev = ring->adev;
1714 
1715 	return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
1716 }
1717 
1718 /**
1719  * vcn_v3_0_dec_ring_get_wptr - get write pointer
1720  *
1721  * @ring: amdgpu_ring pointer
1722  *
1723  * Returns the current hardware write pointer
1724  */
1725 static uint64_t vcn_v3_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1726 {
1727 	struct amdgpu_device *adev = ring->adev;
1728 
1729 	if (ring->use_doorbell)
1730 		return adev->wb.wb[ring->wptr_offs];
1731 	else
1732 		return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
1733 }
1734 
1735 /**
1736  * vcn_v3_0_dec_ring_set_wptr - set write pointer
1737  *
1738  * @ring: amdgpu_ring pointer
1739  *
1740  * Commits the write pointer to the hardware
1741  */
1742 static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1743 {
1744 	struct amdgpu_device *adev = ring->adev;
1745 	volatile struct amdgpu_fw_shared *fw_shared;
1746 
1747 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1748 		/*whenever update RBC_RB_WPTR, we save the wptr in shared rb.wptr and scratch2 */
1749 		fw_shared = adev->vcn.inst[ring->me].fw_shared_cpu_addr;
1750 		fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1751 		WREG32_SOC15(VCN, ring->me, mmUVD_SCRATCH2,
1752 			lower_32_bits(ring->wptr));
1753 	}
1754 
1755 	if (ring->use_doorbell) {
1756 		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1757 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1758 	} else {
1759 		WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1760 	}
1761 }
1762 
1763 static void vcn_v3_0_dec_sw_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1764 				u64 seq, uint32_t flags)
1765 {
1766 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1767 
1768 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_FENCE);
1769 	amdgpu_ring_write(ring, addr);
1770 	amdgpu_ring_write(ring, upper_32_bits(addr));
1771 	amdgpu_ring_write(ring, seq);
1772 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_TRAP);
1773 }
1774 
1775 static void vcn_v3_0_dec_sw_ring_insert_end(struct amdgpu_ring *ring)
1776 {
1777 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_END);
1778 }
1779 
1780 static void vcn_v3_0_dec_sw_ring_emit_ib(struct amdgpu_ring *ring,
1781 			       struct amdgpu_job *job,
1782 			       struct amdgpu_ib *ib,
1783 			       uint32_t flags)
1784 {
1785 	uint32_t vmid = AMDGPU_JOB_GET_VMID(job);
1786 
1787 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_IB);
1788 	amdgpu_ring_write(ring, vmid);
1789 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1790 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1791 	amdgpu_ring_write(ring, ib->length_dw);
1792 }
1793 
1794 static void vcn_v3_0_dec_sw_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1795 				uint32_t val, uint32_t mask)
1796 {
1797 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WAIT);
1798 	amdgpu_ring_write(ring, reg << 2);
1799 	amdgpu_ring_write(ring, mask);
1800 	amdgpu_ring_write(ring, val);
1801 }
1802 
1803 static void vcn_v3_0_dec_sw_ring_emit_vm_flush(struct amdgpu_ring *ring,
1804 				uint32_t vmid, uint64_t pd_addr)
1805 {
1806 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1807 	uint32_t data0, data1, mask;
1808 
1809 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1810 
1811 	/* wait for register write */
1812 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
1813 	data1 = lower_32_bits(pd_addr);
1814 	mask = 0xffffffff;
1815 	vcn_v3_0_dec_sw_ring_emit_reg_wait(ring, data0, data1, mask);
1816 }
1817 
1818 static void vcn_v3_0_dec_sw_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
1819 {
1820 	amdgpu_ring_write(ring, VCN_DEC_SW_CMD_REG_WRITE);
1821 	amdgpu_ring_write(ring,	reg << 2);
1822 	amdgpu_ring_write(ring, val);
1823 }
1824 
1825 static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
1826 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1827 	.align_mask = 0x3f,
1828 	.nop = VCN_DEC_SW_CMD_NO_OP,
1829 	.vmhub = AMDGPU_MMHUB_0,
1830 	.get_rptr = vcn_v3_0_dec_ring_get_rptr,
1831 	.get_wptr = vcn_v3_0_dec_ring_get_wptr,
1832 	.set_wptr = vcn_v3_0_dec_ring_set_wptr,
1833 	.emit_frame_size =
1834 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1835 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1836 		4 + /* vcn_v3_0_dec_sw_ring_emit_vm_flush */
1837 		5 + 5 + /* vcn_v3_0_dec_sw_ring_emit_fdec_swe x2 vm fdec_swe */
1838 		1, /* vcn_v3_0_dec_sw_ring_insert_end */
1839 	.emit_ib_size = 5, /* vcn_v3_0_dec_sw_ring_emit_ib */
1840 	.emit_ib = vcn_v3_0_dec_sw_ring_emit_ib,
1841 	.emit_fence = vcn_v3_0_dec_sw_ring_emit_fence,
1842 	.emit_vm_flush = vcn_v3_0_dec_sw_ring_emit_vm_flush,
1843 	.test_ring = amdgpu_vcn_dec_sw_ring_test_ring,
1844 	.test_ib = NULL,//amdgpu_vcn_dec_sw_ring_test_ib,
1845 	.insert_nop = amdgpu_ring_insert_nop,
1846 	.insert_end = vcn_v3_0_dec_sw_ring_insert_end,
1847 	.pad_ib = amdgpu_ring_generic_pad_ib,
1848 	.begin_use = amdgpu_vcn_ring_begin_use,
1849 	.end_use = amdgpu_vcn_ring_end_use,
1850 	.emit_wreg = vcn_v3_0_dec_sw_ring_emit_wreg,
1851 	.emit_reg_wait = vcn_v3_0_dec_sw_ring_emit_reg_wait,
1852 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1853 };
1854 
1855 static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p)
1856 {
1857 	struct drm_gpu_scheduler **scheds;
1858 
1859 	/* The create msg must be in the first IB submitted */
1860 	if (atomic_read(&p->entity->fence_seq))
1861 		return -EINVAL;
1862 
1863 	scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_DEC]
1864 		[AMDGPU_RING_PRIO_DEFAULT].sched;
1865 	drm_sched_entity_modify_sched(p->entity, scheds, 1);
1866 	return 0;
1867 }
1868 
1869 static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
1870 {
1871 	struct ttm_operation_ctx ctx = { false, false };
1872 	struct amdgpu_bo_va_mapping *map;
1873 	uint32_t *msg, num_buffers;
1874 	struct amdgpu_bo *bo;
1875 	uint64_t start, end;
1876 	unsigned int i;
1877 	void * ptr;
1878 	int r;
1879 
1880 	addr &= AMDGPU_GMC_HOLE_MASK;
1881 	r = amdgpu_cs_find_mapping(p, addr, &bo, &map);
1882 	if (r) {
1883 		DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
1884 		return r;
1885 	}
1886 
1887 	start = map->start * AMDGPU_GPU_PAGE_SIZE;
1888 	end = (map->last + 1) * AMDGPU_GPU_PAGE_SIZE;
1889 	if (addr & 0x7) {
1890 		DRM_ERROR("VCN messages must be 8 byte aligned!\n");
1891 		return -EINVAL;
1892 	}
1893 
1894 	bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
1895 	amdgpu_bo_placement_from_domain(bo, bo->allowed_domains);
1896 	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1897 	if (r) {
1898 		DRM_ERROR("Failed validating the VCN message BO (%d)!\n", r);
1899 		return r;
1900 	}
1901 
1902 	r = amdgpu_bo_kmap(bo, &ptr);
1903 	if (r) {
1904 		DRM_ERROR("Failed mapping the VCN message (%d)!\n", r);
1905 		return r;
1906 	}
1907 
1908 	msg = ptr + addr - start;
1909 
1910 	/* Check length */
1911 	if (msg[1] > end - addr) {
1912 		r = -EINVAL;
1913 		goto out;
1914 	}
1915 
1916 	if (msg[3] != RDECODE_MSG_CREATE)
1917 		goto out;
1918 
1919 	num_buffers = msg[2];
1920 	for (i = 0, msg = &msg[6]; i < num_buffers; ++i, msg += 4) {
1921 		uint32_t offset, size, *create;
1922 
1923 		if (msg[0] != RDECODE_MESSAGE_CREATE)
1924 			continue;
1925 
1926 		offset = msg[1];
1927 		size = msg[2];
1928 
1929 		if (offset + size > end) {
1930 			r = -EINVAL;
1931 			goto out;
1932 		}
1933 
1934 		create = ptr + addr + offset - start;
1935 
1936 		/* H246, HEVC and VP9 can run on any instance */
1937 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
1938 			continue;
1939 
1940 		r = vcn_v3_0_limit_sched(p);
1941 		if (r)
1942 			goto out;
1943 	}
1944 
1945 out:
1946 	amdgpu_bo_kunmap(bo);
1947 	return r;
1948 }
1949 
1950 static int vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
1951 					   uint32_t ib_idx)
1952 {
1953 	struct amdgpu_ring *ring = to_amdgpu_ring(p->entity->rq->sched);
1954 	struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
1955 	uint32_t msg_lo = 0, msg_hi = 0;
1956 	unsigned i;
1957 	int r;
1958 
1959 	/* The first instance can decode anything */
1960 	if (!ring->me)
1961 		return 0;
1962 
1963 	for (i = 0; i < ib->length_dw; i += 2) {
1964 		uint32_t reg = amdgpu_get_ib_value(p, ib_idx, i);
1965 		uint32_t val = amdgpu_get_ib_value(p, ib_idx, i + 1);
1966 
1967 		if (reg == PACKET0(p->adev->vcn.internal.data0, 0)) {
1968 			msg_lo = val;
1969 		} else if (reg == PACKET0(p->adev->vcn.internal.data1, 0)) {
1970 			msg_hi = val;
1971 		} else if (reg == PACKET0(p->adev->vcn.internal.cmd, 0) &&
1972 			   val == 0) {
1973 			r = vcn_v3_0_dec_msg(p, ((u64)msg_hi) << 32 | msg_lo);
1974 			if (r)
1975 				return r;
1976 		}
1977 	}
1978 	return 0;
1979 }
1980 
1981 static const struct amdgpu_ring_funcs vcn_v3_0_dec_ring_vm_funcs = {
1982 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1983 	.align_mask = 0xf,
1984 	.vmhub = AMDGPU_MMHUB_0,
1985 	.get_rptr = vcn_v3_0_dec_ring_get_rptr,
1986 	.get_wptr = vcn_v3_0_dec_ring_get_wptr,
1987 	.set_wptr = vcn_v3_0_dec_ring_set_wptr,
1988 	.patch_cs_in_place = vcn_v3_0_ring_patch_cs_in_place,
1989 	.emit_frame_size =
1990 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1991 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1992 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
1993 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
1994 		6,
1995 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
1996 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
1997 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
1998 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
1999 	.test_ring = vcn_v2_0_dec_ring_test_ring,
2000 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
2001 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
2002 	.insert_start = vcn_v2_0_dec_ring_insert_start,
2003 	.insert_end = vcn_v2_0_dec_ring_insert_end,
2004 	.pad_ib = amdgpu_ring_generic_pad_ib,
2005 	.begin_use = amdgpu_vcn_ring_begin_use,
2006 	.end_use = amdgpu_vcn_ring_end_use,
2007 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
2008 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
2009 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2010 };
2011 
2012 /**
2013  * vcn_v3_0_enc_ring_get_rptr - get enc read pointer
2014  *
2015  * @ring: amdgpu_ring pointer
2016  *
2017  * Returns the current hardware enc read pointer
2018  */
2019 static uint64_t vcn_v3_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
2020 {
2021 	struct amdgpu_device *adev = ring->adev;
2022 
2023 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
2024 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
2025 	else
2026 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
2027 }
2028 
2029 /**
2030  * vcn_v3_0_enc_ring_get_wptr - get enc write pointer
2031  *
2032  * @ring: amdgpu_ring pointer
2033  *
2034  * Returns the current hardware enc write pointer
2035  */
2036 static uint64_t vcn_v3_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
2037 {
2038 	struct amdgpu_device *adev = ring->adev;
2039 
2040 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
2041 		if (ring->use_doorbell)
2042 			return adev->wb.wb[ring->wptr_offs];
2043 		else
2044 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
2045 	} else {
2046 		if (ring->use_doorbell)
2047 			return adev->wb.wb[ring->wptr_offs];
2048 		else
2049 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
2050 	}
2051 }
2052 
2053 /**
2054  * vcn_v3_0_enc_ring_set_wptr - set enc write pointer
2055  *
2056  * @ring: amdgpu_ring pointer
2057  *
2058  * Commits the enc write pointer to the hardware
2059  */
2060 static void vcn_v3_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
2061 {
2062 	struct amdgpu_device *adev = ring->adev;
2063 
2064 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
2065 		if (ring->use_doorbell) {
2066 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
2067 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
2068 		} else {
2069 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
2070 		}
2071 	} else {
2072 		if (ring->use_doorbell) {
2073 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
2074 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
2075 		} else {
2076 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
2077 		}
2078 	}
2079 }
2080 
2081 static const struct amdgpu_ring_funcs vcn_v3_0_enc_ring_vm_funcs = {
2082 	.type = AMDGPU_RING_TYPE_VCN_ENC,
2083 	.align_mask = 0x3f,
2084 	.nop = VCN_ENC_CMD_NO_OP,
2085 	.vmhub = AMDGPU_MMHUB_0,
2086 	.get_rptr = vcn_v3_0_enc_ring_get_rptr,
2087 	.get_wptr = vcn_v3_0_enc_ring_get_wptr,
2088 	.set_wptr = vcn_v3_0_enc_ring_set_wptr,
2089 	.emit_frame_size =
2090 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2091 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2092 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
2093 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
2094 		1, /* vcn_v2_0_enc_ring_insert_end */
2095 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
2096 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
2097 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
2098 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
2099 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2100 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2101 	.insert_nop = amdgpu_ring_insert_nop,
2102 	.insert_end = vcn_v2_0_enc_ring_insert_end,
2103 	.pad_ib = amdgpu_ring_generic_pad_ib,
2104 	.begin_use = amdgpu_vcn_ring_begin_use,
2105 	.end_use = amdgpu_vcn_ring_end_use,
2106 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
2107 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
2108 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2109 };
2110 
2111 static void vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2112 {
2113 	int i;
2114 
2115 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2116 		if (adev->vcn.harvest_config & (1 << i))
2117 			continue;
2118 
2119 		if (!DEC_SW_RING_ENABLED)
2120 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_ring_vm_funcs;
2121 		else
2122 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_sw_ring_vm_funcs;
2123 		adev->vcn.inst[i].ring_dec.me = i;
2124 		DRM_INFO("VCN(%d) decode%s is enabled in VM mode\n", i,
2125 			  DEC_SW_RING_ENABLED?"(Software Ring)":"");
2126 	}
2127 }
2128 
2129 static void vcn_v3_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2130 {
2131 	int i, j;
2132 
2133 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2134 		if (adev->vcn.harvest_config & (1 << i))
2135 			continue;
2136 
2137 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
2138 			adev->vcn.inst[i].ring_enc[j].funcs = &vcn_v3_0_enc_ring_vm_funcs;
2139 			adev->vcn.inst[i].ring_enc[j].me = i;
2140 		}
2141 		DRM_INFO("VCN(%d) encode is enabled in VM mode\n", i);
2142 	}
2143 }
2144 
2145 static bool vcn_v3_0_is_idle(void *handle)
2146 {
2147 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2148 	int i, ret = 1;
2149 
2150 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2151 		if (adev->vcn.harvest_config & (1 << i))
2152 			continue;
2153 
2154 		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
2155 	}
2156 
2157 	return ret;
2158 }
2159 
2160 static int vcn_v3_0_wait_for_idle(void *handle)
2161 {
2162 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2163 	int i, ret = 0;
2164 
2165 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2166 		if (adev->vcn.harvest_config & (1 << i))
2167 			continue;
2168 
2169 		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
2170 			UVD_STATUS__IDLE);
2171 		if (ret)
2172 			return ret;
2173 	}
2174 
2175 	return ret;
2176 }
2177 
2178 static int vcn_v3_0_set_clockgating_state(void *handle,
2179 					  enum amd_clockgating_state state)
2180 {
2181 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2182 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
2183 	int i;
2184 
2185 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2186 		if (adev->vcn.harvest_config & (1 << i))
2187 			continue;
2188 
2189 		if (enable) {
2190 			if (RREG32_SOC15(VCN, i, mmUVD_STATUS) != UVD_STATUS__IDLE)
2191 				return -EBUSY;
2192 			vcn_v3_0_enable_clock_gating(adev, i);
2193 		} else {
2194 			vcn_v3_0_disable_clock_gating(adev, i);
2195 		}
2196 	}
2197 
2198 	return 0;
2199 }
2200 
2201 static int vcn_v3_0_set_powergating_state(void *handle,
2202 					  enum amd_powergating_state state)
2203 {
2204 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2205 	int ret;
2206 
2207 	/* for SRIOV, guest should not control VCN Power-gating
2208 	 * MMSCH FW should control Power-gating and clock-gating
2209 	 * guest should avoid touching CGC and PG
2210 	 */
2211 	if (amdgpu_sriov_vf(adev)) {
2212 		adev->vcn.cur_state = AMD_PG_STATE_UNGATE;
2213 		return 0;
2214 	}
2215 
2216 	if(state == adev->vcn.cur_state)
2217 		return 0;
2218 
2219 	if (state == AMD_PG_STATE_GATE)
2220 		ret = vcn_v3_0_stop(adev);
2221 	else
2222 		ret = vcn_v3_0_start(adev);
2223 
2224 	if(!ret)
2225 		adev->vcn.cur_state = state;
2226 
2227 	return ret;
2228 }
2229 
2230 static int vcn_v3_0_set_interrupt_state(struct amdgpu_device *adev,
2231 					struct amdgpu_irq_src *source,
2232 					unsigned type,
2233 					enum amdgpu_interrupt_state state)
2234 {
2235 	return 0;
2236 }
2237 
2238 static int vcn_v3_0_process_interrupt(struct amdgpu_device *adev,
2239 				      struct amdgpu_irq_src *source,
2240 				      struct amdgpu_iv_entry *entry)
2241 {
2242 	uint32_t ip_instance;
2243 
2244 	switch (entry->client_id) {
2245 	case SOC15_IH_CLIENTID_VCN:
2246 		ip_instance = 0;
2247 		break;
2248 	case SOC15_IH_CLIENTID_VCN1:
2249 		ip_instance = 1;
2250 		break;
2251 	default:
2252 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
2253 		return 0;
2254 	}
2255 
2256 	DRM_DEBUG("IH: VCN TRAP\n");
2257 
2258 	switch (entry->src_id) {
2259 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
2260 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
2261 		break;
2262 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
2263 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
2264 		break;
2265 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
2266 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
2267 		break;
2268 	default:
2269 		DRM_ERROR("Unhandled interrupt: %d %d\n",
2270 			  entry->src_id, entry->src_data[0]);
2271 		break;
2272 	}
2273 
2274 	return 0;
2275 }
2276 
2277 static const struct amdgpu_irq_src_funcs vcn_v3_0_irq_funcs = {
2278 	.set = vcn_v3_0_set_interrupt_state,
2279 	.process = vcn_v3_0_process_interrupt,
2280 };
2281 
2282 static void vcn_v3_0_set_irq_funcs(struct amdgpu_device *adev)
2283 {
2284 	int i;
2285 
2286 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2287 		if (adev->vcn.harvest_config & (1 << i))
2288 			continue;
2289 
2290 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
2291 		adev->vcn.inst[i].irq.funcs = &vcn_v3_0_irq_funcs;
2292 	}
2293 }
2294 
2295 static const struct amd_ip_funcs vcn_v3_0_ip_funcs = {
2296 	.name = "vcn_v3_0",
2297 	.early_init = vcn_v3_0_early_init,
2298 	.late_init = NULL,
2299 	.sw_init = vcn_v3_0_sw_init,
2300 	.sw_fini = vcn_v3_0_sw_fini,
2301 	.hw_init = vcn_v3_0_hw_init,
2302 	.hw_fini = vcn_v3_0_hw_fini,
2303 	.suspend = vcn_v3_0_suspend,
2304 	.resume = vcn_v3_0_resume,
2305 	.is_idle = vcn_v3_0_is_idle,
2306 	.wait_for_idle = vcn_v3_0_wait_for_idle,
2307 	.check_soft_reset = NULL,
2308 	.pre_soft_reset = NULL,
2309 	.soft_reset = NULL,
2310 	.post_soft_reset = NULL,
2311 	.set_clockgating_state = vcn_v3_0_set_clockgating_state,
2312 	.set_powergating_state = vcn_v3_0_set_powergating_state,
2313 };
2314 
2315 const struct amdgpu_ip_block_version vcn_v3_0_ip_block =
2316 {
2317 	.type = AMD_IP_BLOCK_TYPE_VCN,
2318 	.major = 3,
2319 	.minor = 0,
2320 	.rev = 0,
2321 	.funcs = &vcn_v3_0_ip_funcs,
2322 };
2323