xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c (revision 0d4bb5e4)
1 /*
2  * Copyright 2018 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 #include <drm/drm_drv.h>
26 
27 #include "amdgpu.h"
28 #include "amdgpu_vcn.h"
29 #include "soc15.h"
30 #include "soc15d.h"
31 #include "amdgpu_pm.h"
32 #include "amdgpu_psp.h"
33 #include "mmsch_v2_0.h"
34 #include "vcn_v2_0.h"
35 
36 #include "vcn/vcn_2_0_0_offset.h"
37 #include "vcn/vcn_2_0_0_sh_mask.h"
38 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
39 
40 #define VCN_VID_SOC_ADDRESS_2_0					0x1fa00
41 #define VCN1_VID_SOC_ADDRESS_3_0				0x48200
42 
43 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x1fd
44 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x503
45 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x504
46 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x505
47 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x53f
48 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x54a
49 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
50 
51 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x1e1
52 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x5a6
53 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x5a7
54 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x1e2
55 
56 static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev);
57 static void vcn_v2_0_set_enc_ring_funcs(struct amdgpu_device *adev);
58 static void vcn_v2_0_set_irq_funcs(struct amdgpu_device *adev);
59 static int vcn_v2_0_set_powergating_state(void *handle,
60 				enum amd_powergating_state state);
61 static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
62 				int inst_idx, struct dpg_pause_state *new_state);
63 static int vcn_v2_0_start_sriov(struct amdgpu_device *adev);
64 /**
65  * vcn_v2_0_early_init - set function pointers
66  *
67  * @handle: amdgpu_device pointer
68  *
69  * Set ring and irq function pointers
70  */
71 static int vcn_v2_0_early_init(void *handle)
72 {
73 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
74 
75 	if (amdgpu_sriov_vf(adev))
76 		adev->vcn.num_enc_rings = 1;
77 	else
78 		adev->vcn.num_enc_rings = 2;
79 
80 	vcn_v2_0_set_dec_ring_funcs(adev);
81 	vcn_v2_0_set_enc_ring_funcs(adev);
82 	vcn_v2_0_set_irq_funcs(adev);
83 
84 	return 0;
85 }
86 
87 /**
88  * vcn_v2_0_sw_init - sw init for VCN block
89  *
90  * @handle: amdgpu_device pointer
91  *
92  * Load firmware and sw initialization
93  */
94 static int vcn_v2_0_sw_init(void *handle)
95 {
96 	struct amdgpu_ring *ring;
97 	int i, r;
98 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
99 	volatile struct amdgpu_fw_shared *fw_shared;
100 
101 	/* VCN DEC TRAP */
102 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
103 			      VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT,
104 			      &adev->vcn.inst->irq);
105 	if (r)
106 		return r;
107 
108 	/* VCN ENC TRAP */
109 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
110 		r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
111 				      i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE,
112 				      &adev->vcn.inst->irq);
113 		if (r)
114 			return r;
115 	}
116 
117 	r = amdgpu_vcn_sw_init(adev);
118 	if (r)
119 		return r;
120 
121 	amdgpu_vcn_setup_ucode(adev);
122 
123 	r = amdgpu_vcn_resume(adev);
124 	if (r)
125 		return r;
126 
127 	ring = &adev->vcn.inst->ring_dec;
128 
129 	ring->use_doorbell = true;
130 	ring->doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1 << 1;
131 
132 	sprintf(ring->name, "vcn_dec");
133 	r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
134 			     AMDGPU_RING_PRIO_DEFAULT, NULL);
135 	if (r)
136 		return r;
137 
138 	adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
139 	adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
140 	adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
141 	adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
142 	adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
143 	adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
144 
145 	adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
146 	adev->vcn.inst->external.scratch9 = SOC15_REG_OFFSET(UVD, 0, mmUVD_SCRATCH9);
147 	adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
148 	adev->vcn.inst->external.data0 = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0);
149 	adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
150 	adev->vcn.inst->external.data1 = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1);
151 	adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
152 	adev->vcn.inst->external.cmd = SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD);
153 	adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
154 	adev->vcn.inst->external.nop = SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP);
155 
156 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
157 		enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(i);
158 
159 		ring = &adev->vcn.inst->ring_enc[i];
160 		ring->use_doorbell = true;
161 		if (!amdgpu_sriov_vf(adev))
162 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + i;
163 		else
164 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1 + i;
165 		sprintf(ring->name, "vcn_enc%d", i);
166 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
167 				     hw_prio, NULL);
168 		if (r)
169 			return r;
170 	}
171 
172 	adev->vcn.pause_dpg_mode = vcn_v2_0_pause_dpg_mode;
173 
174 	r = amdgpu_virt_alloc_mm_table(adev);
175 	if (r)
176 		return r;
177 
178 	fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
179 	fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
180 
181 	if (amdgpu_vcnfw_log)
182 		amdgpu_vcn_fwlog_init(adev->vcn.inst);
183 
184 	return 0;
185 }
186 
187 /**
188  * vcn_v2_0_sw_fini - sw fini for VCN block
189  *
190  * @handle: amdgpu_device pointer
191  *
192  * VCN suspend and free up sw allocation
193  */
194 static int vcn_v2_0_sw_fini(void *handle)
195 {
196 	int r, idx;
197 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
198 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
199 
200 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
201 		fw_shared->present_flag_0 = 0;
202 		drm_dev_exit(idx);
203 	}
204 
205 	amdgpu_virt_free_mm_table(adev);
206 
207 	r = amdgpu_vcn_suspend(adev);
208 	if (r)
209 		return r;
210 
211 	r = amdgpu_vcn_sw_fini(adev);
212 
213 	return r;
214 }
215 
216 /**
217  * vcn_v2_0_hw_init - start and test VCN block
218  *
219  * @handle: amdgpu_device pointer
220  *
221  * Initialize the hardware, boot up the VCPU and do some testing
222  */
223 static int vcn_v2_0_hw_init(void *handle)
224 {
225 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
226 	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
227 	int i, r;
228 
229 	adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
230 					     ring->doorbell_index, 0);
231 
232 	if (amdgpu_sriov_vf(adev))
233 		vcn_v2_0_start_sriov(adev);
234 
235 	r = amdgpu_ring_test_helper(ring);
236 	if (r)
237 		goto done;
238 
239 	//Disable vcn decode for sriov
240 	if (amdgpu_sriov_vf(adev))
241 		ring->sched.ready = false;
242 
243 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
244 		ring = &adev->vcn.inst->ring_enc[i];
245 		r = amdgpu_ring_test_helper(ring);
246 		if (r)
247 			goto done;
248 	}
249 
250 done:
251 	if (!r)
252 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
253 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
254 
255 	return r;
256 }
257 
258 /**
259  * vcn_v2_0_hw_fini - stop the hardware block
260  *
261  * @handle: amdgpu_device pointer
262  *
263  * Stop the VCN block, mark ring as not ready any more
264  */
265 static int vcn_v2_0_hw_fini(void *handle)
266 {
267 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
268 
269 	cancel_delayed_work_sync(&adev->vcn.idle_work);
270 
271 	if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
272 	    (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
273 	      RREG32_SOC15(VCN, 0, mmUVD_STATUS)))
274 		vcn_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
275 
276 	return 0;
277 }
278 
279 /**
280  * vcn_v2_0_suspend - suspend VCN block
281  *
282  * @handle: amdgpu_device pointer
283  *
284  * HW fini and suspend VCN block
285  */
286 static int vcn_v2_0_suspend(void *handle)
287 {
288 	int r;
289 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
290 
291 	r = vcn_v2_0_hw_fini(adev);
292 	if (r)
293 		return r;
294 
295 	r = amdgpu_vcn_suspend(adev);
296 
297 	return r;
298 }
299 
300 /**
301  * vcn_v2_0_resume - resume VCN block
302  *
303  * @handle: amdgpu_device pointer
304  *
305  * Resume firmware and hw init VCN block
306  */
307 static int vcn_v2_0_resume(void *handle)
308 {
309 	int r;
310 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
311 
312 	r = amdgpu_vcn_resume(adev);
313 	if (r)
314 		return r;
315 
316 	r = vcn_v2_0_hw_init(adev);
317 
318 	return r;
319 }
320 
321 /**
322  * vcn_v2_0_mc_resume - memory controller programming
323  *
324  * @adev: amdgpu_device pointer
325  *
326  * Let the VCN memory controller know it's offsets
327  */
328 static void vcn_v2_0_mc_resume(struct amdgpu_device *adev)
329 {
330 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
331 	uint32_t offset;
332 
333 	if (amdgpu_sriov_vf(adev))
334 		return;
335 
336 	/* cache window 0: fw */
337 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
338 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
339 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo));
340 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
341 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi));
342 		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
343 		offset = 0;
344 	} else {
345 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
346 			lower_32_bits(adev->vcn.inst->gpu_addr));
347 		WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
348 			upper_32_bits(adev->vcn.inst->gpu_addr));
349 		offset = size;
350 		WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
351 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
352 	}
353 
354 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);
355 
356 	/* cache window 1: stack */
357 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
358 		lower_32_bits(adev->vcn.inst->gpu_addr + offset));
359 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
360 		upper_32_bits(adev->vcn.inst->gpu_addr + offset));
361 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0);
362 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
363 
364 	/* cache window 2: context */
365 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
366 		lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
367 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
368 		upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
369 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
370 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
371 
372 	/* non-cache window */
373 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
374 		lower_32_bits(adev->vcn.inst->fw_shared.gpu_addr));
375 	WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
376 		upper_32_bits(adev->vcn.inst->fw_shared.gpu_addr));
377 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
378 	WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0,
379 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
380 
381 	WREG32_SOC15(UVD, 0, mmUVD_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
382 }
383 
384 static void vcn_v2_0_mc_resume_dpg_mode(struct amdgpu_device *adev, bool indirect)
385 {
386 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
387 	uint32_t offset;
388 
389 	/* cache window 0: fw */
390 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
391 		if (!indirect) {
392 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
393 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
394 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo), 0, indirect);
395 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
396 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
397 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi), 0, indirect);
398 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
399 				UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
400 		} else {
401 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
402 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
403 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
404 				UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
405 			WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
406 				UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
407 		}
408 		offset = 0;
409 	} else {
410 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
411 			UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
412 			lower_32_bits(adev->vcn.inst->gpu_addr), 0, indirect);
413 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
414 			UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
415 			upper_32_bits(adev->vcn.inst->gpu_addr), 0, indirect);
416 		offset = size;
417 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
418 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET0),
419 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
420 	}
421 
422 	if (!indirect)
423 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
424 			UVD, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
425 	else
426 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
427 			UVD, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
428 
429 	/* cache window 1: stack */
430 	if (!indirect) {
431 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
432 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
433 			lower_32_bits(adev->vcn.inst->gpu_addr + offset), 0, indirect);
434 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
435 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
436 			upper_32_bits(adev->vcn.inst->gpu_addr + offset), 0, indirect);
437 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
438 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
439 	} else {
440 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
441 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
442 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
443 			UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
444 		WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
445 			UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
446 	}
447 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
448 		UVD, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
449 
450 	/* cache window 2: context */
451 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
452 		UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
453 		lower_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
454 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
455 		UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
456 		upper_32_bits(adev->vcn.inst->gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
457 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
458 		UVD, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
459 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
460 		UVD, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
461 
462 	/* non-cache window */
463 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
464 		UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
465 		lower_32_bits(adev->vcn.inst->fw_shared.gpu_addr), 0, indirect);
466 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
467 		UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
468 		upper_32_bits(adev->vcn.inst->fw_shared.gpu_addr), 0, indirect);
469 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
470 		UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
471 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
472 		UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0),
473 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
474 
475 	/* VCN global tiling registers */
476 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
477 		UVD, 0, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
478 }
479 
480 /**
481  * vcn_v2_0_disable_clock_gating - disable VCN clock gating
482  *
483  * @adev: amdgpu_device pointer
484  *
485  * Disable clock gating for VCN block
486  */
487 static void vcn_v2_0_disable_clock_gating(struct amdgpu_device *adev)
488 {
489 	uint32_t data;
490 
491 	if (amdgpu_sriov_vf(adev))
492 		return;
493 
494 	/* UVD disable CGC */
495 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
496 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
497 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
498 	else
499 		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
500 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
501 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
502 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
503 
504 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE);
505 	data &= ~(UVD_CGC_GATE__SYS_MASK
506 		| UVD_CGC_GATE__UDEC_MASK
507 		| UVD_CGC_GATE__MPEG2_MASK
508 		| UVD_CGC_GATE__REGS_MASK
509 		| UVD_CGC_GATE__RBC_MASK
510 		| UVD_CGC_GATE__LMI_MC_MASK
511 		| UVD_CGC_GATE__LMI_UMC_MASK
512 		| UVD_CGC_GATE__IDCT_MASK
513 		| UVD_CGC_GATE__MPRD_MASK
514 		| UVD_CGC_GATE__MPC_MASK
515 		| UVD_CGC_GATE__LBSI_MASK
516 		| UVD_CGC_GATE__LRBBM_MASK
517 		| UVD_CGC_GATE__UDEC_RE_MASK
518 		| UVD_CGC_GATE__UDEC_CM_MASK
519 		| UVD_CGC_GATE__UDEC_IT_MASK
520 		| UVD_CGC_GATE__UDEC_DB_MASK
521 		| UVD_CGC_GATE__UDEC_MP_MASK
522 		| UVD_CGC_GATE__WCB_MASK
523 		| UVD_CGC_GATE__VCPU_MASK
524 		| UVD_CGC_GATE__SCPU_MASK);
525 	WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data);
526 
527 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
528 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
529 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
530 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
531 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
532 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
533 		| UVD_CGC_CTRL__SYS_MODE_MASK
534 		| UVD_CGC_CTRL__UDEC_MODE_MASK
535 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
536 		| UVD_CGC_CTRL__REGS_MODE_MASK
537 		| UVD_CGC_CTRL__RBC_MODE_MASK
538 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
539 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
540 		| UVD_CGC_CTRL__IDCT_MODE_MASK
541 		| UVD_CGC_CTRL__MPRD_MODE_MASK
542 		| UVD_CGC_CTRL__MPC_MODE_MASK
543 		| UVD_CGC_CTRL__LBSI_MODE_MASK
544 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
545 		| UVD_CGC_CTRL__WCB_MODE_MASK
546 		| UVD_CGC_CTRL__VCPU_MODE_MASK
547 		| UVD_CGC_CTRL__SCPU_MODE_MASK);
548 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
549 
550 	/* turn on */
551 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE);
552 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
553 		| UVD_SUVD_CGC_GATE__SIT_MASK
554 		| UVD_SUVD_CGC_GATE__SMP_MASK
555 		| UVD_SUVD_CGC_GATE__SCM_MASK
556 		| UVD_SUVD_CGC_GATE__SDB_MASK
557 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
558 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
559 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
560 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
561 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
562 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
563 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
564 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
565 		| UVD_SUVD_CGC_GATE__SCLR_MASK
566 		| UVD_SUVD_CGC_GATE__UVD_SC_MASK
567 		| UVD_SUVD_CGC_GATE__ENT_MASK
568 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
569 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
570 		| UVD_SUVD_CGC_GATE__SITE_MASK
571 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
572 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
573 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
574 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
575 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
576 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data);
577 
578 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
579 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
580 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
581 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
582 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
583 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
584 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
585 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
586 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
587 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
588 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
589 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
590 }
591 
592 static void vcn_v2_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
593 		uint8_t sram_sel, uint8_t indirect)
594 {
595 	uint32_t reg_data = 0;
596 
597 	/* enable sw clock gating control */
598 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
599 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
600 	else
601 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
602 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
603 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
604 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
605 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
606 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
607 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
608 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
609 		 UVD_CGC_CTRL__SYS_MODE_MASK |
610 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
611 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
612 		 UVD_CGC_CTRL__REGS_MODE_MASK |
613 		 UVD_CGC_CTRL__RBC_MODE_MASK |
614 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
615 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
616 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
617 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
618 		 UVD_CGC_CTRL__MPC_MODE_MASK |
619 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
620 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
621 		 UVD_CGC_CTRL__WCB_MODE_MASK |
622 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
623 		 UVD_CGC_CTRL__SCPU_MODE_MASK);
624 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
625 		UVD, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
626 
627 	/* turn off clock gating */
628 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
629 		UVD, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
630 
631 	/* turn on SUVD clock gating */
632 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
633 		UVD, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
634 
635 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
636 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
637 		UVD, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
638 }
639 
640 /**
641  * vcn_v2_0_enable_clock_gating - enable VCN clock gating
642  *
643  * @adev: amdgpu_device pointer
644  *
645  * Enable clock gating for VCN block
646  */
647 static void vcn_v2_0_enable_clock_gating(struct amdgpu_device *adev)
648 {
649 	uint32_t data = 0;
650 
651 	if (amdgpu_sriov_vf(adev))
652 		return;
653 
654 	/* enable UVD CGC */
655 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
656 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
657 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
658 	else
659 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
660 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
661 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
662 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
663 
664 	data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL);
665 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
666 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
667 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
668 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
669 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
670 		| UVD_CGC_CTRL__SYS_MODE_MASK
671 		| UVD_CGC_CTRL__UDEC_MODE_MASK
672 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
673 		| UVD_CGC_CTRL__REGS_MODE_MASK
674 		| UVD_CGC_CTRL__RBC_MODE_MASK
675 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
676 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
677 		| UVD_CGC_CTRL__IDCT_MODE_MASK
678 		| UVD_CGC_CTRL__MPRD_MODE_MASK
679 		| UVD_CGC_CTRL__MPC_MODE_MASK
680 		| UVD_CGC_CTRL__LBSI_MODE_MASK
681 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
682 		| UVD_CGC_CTRL__WCB_MODE_MASK
683 		| UVD_CGC_CTRL__VCPU_MODE_MASK
684 		| UVD_CGC_CTRL__SCPU_MODE_MASK);
685 	WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data);
686 
687 	data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL);
688 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
689 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
690 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
691 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
692 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
693 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
694 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
695 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
696 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
697 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
698 	WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data);
699 }
700 
701 static void vcn_v2_0_disable_static_power_gating(struct amdgpu_device *adev)
702 {
703 	uint32_t data = 0;
704 
705 	if (amdgpu_sriov_vf(adev))
706 		return;
707 
708 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
709 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
710 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
711 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
712 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
713 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
714 			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
715 			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
716 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
717 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
718 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
719 
720 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
721 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS,
722 			UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0, 0xFFFFF);
723 	} else {
724 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
725 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
726 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
727 			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
728 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
729 			| 1 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
730 			| 1 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
731 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
732 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
733 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
734 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
735 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0,  0xFFFFF);
736 	}
737 
738 	/* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS,
739 	 * UVDU_PWR_STATUS are 0 (power on) */
740 
741 	data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
742 	data &= ~0x103;
743 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
744 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
745 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
746 
747 	WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
748 }
749 
750 static void vcn_v2_0_enable_static_power_gating(struct amdgpu_device *adev)
751 {
752 	uint32_t data = 0;
753 
754 	if (amdgpu_sriov_vf(adev))
755 		return;
756 
757 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
758 		/* Before power off, this indicator has to be turned on */
759 		data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS);
760 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
761 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
762 		WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data);
763 
764 
765 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
766 			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
767 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
768 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
769 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
770 			| 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT
771 			| 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT
772 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
773 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
774 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT);
775 
776 		WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data);
777 
778 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
779 			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
780 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
781 			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
782 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
783 			| 2 << UVD_PGFSM_STATUS__UVDIL_PWR_STATUS__SHIFT
784 			| 2 << UVD_PGFSM_STATUS__UVDIR_PWR_STATUS__SHIFT
785 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
786 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
787 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT);
788 		SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFF);
789 	}
790 }
791 
792 static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect)
793 {
794 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
795 	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
796 	uint32_t rb_bufsz, tmp;
797 
798 	vcn_v2_0_enable_static_power_gating(adev);
799 
800 	/* enable dynamic power gating mode */
801 	tmp = RREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS);
802 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
803 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
804 	WREG32_SOC15(UVD, 0, mmUVD_POWER_STATUS, tmp);
805 
806 	if (indirect)
807 		adev->vcn.inst->dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst->dpg_sram_cpu_addr;
808 
809 	/* enable clock gating */
810 	vcn_v2_0_clock_gating_dpg_mode(adev, 0, indirect);
811 
812 	/* enable VCPU clock */
813 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
814 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
815 	tmp |= UVD_VCPU_CNTL__MIF_WR_LOW_THRESHOLD_BP_MASK;
816 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
817 		UVD, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
818 
819 	/* disable master interupt */
820 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
821 		UVD, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
822 
823 	/* setup mmUVD_LMI_CTRL */
824 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
825 		UVD_LMI_CTRL__REQ_MODE_MASK |
826 		UVD_LMI_CTRL__CRC_RESET_MASK |
827 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
828 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
829 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
830 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
831 		0x00100000L);
832 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
833 		UVD, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
834 
835 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
836 		UVD, 0, mmUVD_MPC_CNTL),
837 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
838 
839 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
840 		UVD, 0, mmUVD_MPC_SET_MUXA0),
841 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
842 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
843 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
844 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
845 
846 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
847 		UVD, 0, mmUVD_MPC_SET_MUXB0),
848 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
849 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
850 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
851 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
852 
853 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
854 		UVD, 0, mmUVD_MPC_SET_MUX),
855 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
856 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
857 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
858 
859 	vcn_v2_0_mc_resume_dpg_mode(adev, indirect);
860 
861 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
862 		UVD, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
863 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
864 		UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
865 
866 	/* release VCPU reset to boot */
867 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
868 		UVD, 0, mmUVD_SOFT_RESET), 0, 0, indirect);
869 
870 	/* enable LMI MC and UMC channels */
871 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
872 		UVD, 0, mmUVD_LMI_CTRL2),
873 		0x1F << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT, 0, indirect);
874 
875 	/* enable master interrupt */
876 	WREG32_SOC15_DPG_MODE(0, SOC15_DPG_MODE_OFFSET(
877 		UVD, 0, mmUVD_MASTINT_EN),
878 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
879 
880 	if (indirect)
881 		psp_update_vcn_sram(adev, 0, adev->vcn.inst->dpg_sram_gpu_addr,
882 				    (uint32_t)((uintptr_t)adev->vcn.inst->dpg_sram_curr_addr -
883 					       (uintptr_t)adev->vcn.inst->dpg_sram_cpu_addr));
884 
885 	/* force RBC into idle state */
886 	rb_bufsz = order_base_2(ring->ring_size);
887 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
888 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
889 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
890 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
891 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
892 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
893 
894 	/* Stall DPG before WPTR/RPTR reset */
895 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
896 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
897 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
898 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
899 
900 	/* set the write pointer delay */
901 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
902 
903 	/* set the wb address */
904 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR,
905 		(upper_32_bits(ring->gpu_addr) >> 2));
906 
907 	/* program the RB_BASE for ring buffer */
908 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
909 		lower_32_bits(ring->gpu_addr));
910 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
911 		upper_32_bits(ring->gpu_addr));
912 
913 	/* Initialize the ring buffer's read and write pointers */
914 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
915 
916 	WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
917 
918 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
919 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
920 		lower_32_bits(ring->wptr));
921 
922 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
923 	/* Unstall DPG */
924 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
925 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
926 	return 0;
927 }
928 
929 static int vcn_v2_0_start(struct amdgpu_device *adev)
930 {
931 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
932 	struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
933 	uint32_t rb_bufsz, tmp;
934 	uint32_t lmi_swap_cntl;
935 	int i, j, r;
936 
937 	if (adev->pm.dpm_enabled)
938 		amdgpu_dpm_enable_uvd(adev, true);
939 
940 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
941 		return vcn_v2_0_start_dpg_mode(adev, adev->vcn.indirect_sram);
942 
943 	vcn_v2_0_disable_static_power_gating(adev);
944 
945 	/* set uvd status busy */
946 	tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
947 	WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
948 
949 	/*SW clock gating */
950 	vcn_v2_0_disable_clock_gating(adev);
951 
952 	/* enable VCPU clock */
953 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL),
954 		UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
955 
956 	/* disable master interrupt */
957 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0,
958 		~UVD_MASTINT_EN__VCPU_EN_MASK);
959 
960 	/* setup mmUVD_LMI_CTRL */
961 	tmp = RREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL);
962 	WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, tmp |
963 		UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
964 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
965 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
966 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
967 
968 	/* setup mmUVD_MPC_CNTL */
969 	tmp = RREG32_SOC15(UVD, 0, mmUVD_MPC_CNTL);
970 	tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
971 	tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
972 	WREG32_SOC15(VCN, 0, mmUVD_MPC_CNTL, tmp);
973 
974 	/* setup UVD_MPC_SET_MUXA0 */
975 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0,
976 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
977 		(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
978 		(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
979 		(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
980 
981 	/* setup UVD_MPC_SET_MUXB0 */
982 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0,
983 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
984 		(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
985 		(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
986 		(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
987 
988 	/* setup mmUVD_MPC_SET_MUX */
989 	WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX,
990 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
991 		(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
992 		(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
993 
994 	vcn_v2_0_mc_resume(adev);
995 
996 	/* release VCPU reset to boot */
997 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
998 		~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
999 
1000 	/* enable LMI MC and UMC channels */
1001 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0,
1002 		~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1003 
1004 	tmp = RREG32_SOC15(VCN, 0, mmUVD_SOFT_RESET);
1005 	tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1006 	tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1007 	WREG32_SOC15(VCN, 0, mmUVD_SOFT_RESET, tmp);
1008 
1009 	/* disable byte swapping */
1010 	lmi_swap_cntl = 0;
1011 #ifdef __BIG_ENDIAN
1012 	/* swap (8 in 32) RB and IB */
1013 	lmi_swap_cntl = 0xa;
1014 #endif
1015 	WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
1016 
1017 	for (i = 0; i < 10; ++i) {
1018 		uint32_t status;
1019 
1020 		for (j = 0; j < 100; ++j) {
1021 			status = RREG32_SOC15(UVD, 0, mmUVD_STATUS);
1022 			if (status & 2)
1023 				break;
1024 			mdelay(10);
1025 		}
1026 		r = 0;
1027 		if (status & 2)
1028 			break;
1029 
1030 		DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
1031 		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1032 			UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1033 			~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1034 		mdelay(10);
1035 		WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0,
1036 			~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1037 		mdelay(10);
1038 		r = -1;
1039 	}
1040 
1041 	if (r) {
1042 		DRM_ERROR("VCN decode not responding, giving up!!!\n");
1043 		return r;
1044 	}
1045 
1046 	/* enable master interrupt */
1047 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN),
1048 		UVD_MASTINT_EN__VCPU_EN_MASK,
1049 		~UVD_MASTINT_EN__VCPU_EN_MASK);
1050 
1051 	/* clear the busy bit of VCN_STATUS */
1052 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0,
1053 		~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1054 
1055 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_VMID, 0);
1056 
1057 	/* force RBC into idle state */
1058 	rb_bufsz = order_base_2(ring->ring_size);
1059 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1060 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1061 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1062 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1063 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1064 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
1065 
1066 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1067 	/* program the RB_BASE for ring buffer */
1068 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1069 		lower_32_bits(ring->gpu_addr));
1070 	WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1071 		upper_32_bits(ring->gpu_addr));
1072 
1073 	/* Initialize the ring buffer's read and write pointers */
1074 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0);
1075 
1076 	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1077 	WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1078 			lower_32_bits(ring->wptr));
1079 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1080 
1081 	fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1082 	ring = &adev->vcn.inst->ring_enc[0];
1083 	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1084 	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1085 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
1086 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1087 	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
1088 	fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1089 
1090 	fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1091 	ring = &adev->vcn.inst->ring_enc[1];
1092 	WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1093 	WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1094 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1095 	WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1096 	WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
1097 	fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1098 
1099 	return 0;
1100 }
1101 
1102 static int vcn_v2_0_stop_dpg_mode(struct amdgpu_device *adev)
1103 {
1104 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
1105 	uint32_t tmp;
1106 
1107 	vcn_v2_0_pause_dpg_mode(adev, 0, &state);
1108 	/* Wait for power status to be 1 */
1109 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
1110 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1111 
1112 	/* wait for read ptr to be equal to write ptr */
1113 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1114 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1115 
1116 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1117 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1118 
1119 	tmp = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1120 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1121 
1122 	SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 1,
1123 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1124 
1125 	/* disable dynamic power gating mode */
1126 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS), 0,
1127 			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1128 
1129 	return 0;
1130 }
1131 
1132 static int vcn_v2_0_stop(struct amdgpu_device *adev)
1133 {
1134 	uint32_t tmp;
1135 	int r;
1136 
1137 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1138 		r = vcn_v2_0_stop_dpg_mode(adev);
1139 		if (r)
1140 			return r;
1141 		goto power_off;
1142 	}
1143 
1144 	/* wait for uvd idle */
1145 	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1146 	if (r)
1147 		return r;
1148 
1149 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1150 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1151 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1152 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1153 	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp);
1154 	if (r)
1155 		return r;
1156 
1157 	/* stall UMC channel */
1158 	tmp = RREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2);
1159 	tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1160 	WREG32_SOC15(VCN, 0, mmUVD_LMI_CTRL2, tmp);
1161 
1162 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1163 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1164 	r = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_LMI_STATUS, tmp, tmp);
1165 	if (r)
1166 		return r;
1167 
1168 	/* disable VCPU clock */
1169 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_VCPU_CNTL), 0,
1170 		~(UVD_VCPU_CNTL__CLK_EN_MASK));
1171 
1172 	/* reset LMI UMC */
1173 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1174 		UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK,
1175 		~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
1176 
1177 	/* reset LMI */
1178 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1179 		UVD_SOFT_RESET__LMI_SOFT_RESET_MASK,
1180 		~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK);
1181 
1182 	/* reset VCPU */
1183 	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET),
1184 		UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK,
1185 		~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
1186 
1187 	/* clear status */
1188 	WREG32_SOC15(VCN, 0, mmUVD_STATUS, 0);
1189 
1190 	vcn_v2_0_enable_clock_gating(adev);
1191 	vcn_v2_0_enable_static_power_gating(adev);
1192 
1193 power_off:
1194 	if (adev->pm.dpm_enabled)
1195 		amdgpu_dpm_enable_uvd(adev, false);
1196 
1197 	return 0;
1198 }
1199 
1200 static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
1201 				int inst_idx, struct dpg_pause_state *new_state)
1202 {
1203 	struct amdgpu_ring *ring;
1204 	uint32_t reg_data = 0;
1205 	int ret_code;
1206 
1207 	/* pause/unpause if state is changed */
1208 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1209 		DRM_DEBUG("dpg pause state changed %d -> %d",
1210 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1211 		reg_data = RREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE) &
1212 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1213 
1214 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1215 			ret_code = SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS, 0x1,
1216 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1217 
1218 			if (!ret_code) {
1219 				volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared.cpu_addr;
1220 				/* pause DPG */
1221 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1222 				WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1223 
1224 				/* wait for ACK */
1225 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_DPG_PAUSE,
1226 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1227 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1228 
1229 				/* Stall DPG before WPTR/RPTR reset */
1230 				WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
1231 					   UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1232 					   ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1233 				/* Restore */
1234 				fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1235 				ring = &adev->vcn.inst->ring_enc[0];
1236 				ring->wptr = 0;
1237 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
1238 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1239 				WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
1240 				WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1241 				WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1242 				fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1243 
1244 				fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1245 				ring = &adev->vcn.inst->ring_enc[1];
1246 				ring->wptr = 0;
1247 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1248 				WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1249 				WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
1250 				WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1251 				WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1252 				fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1253 
1254 				fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1255 				WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
1256 					   RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
1257 				fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1258 				/* Unstall DPG */
1259 				WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
1260 					   0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1261 
1262 				SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
1263 					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
1264 					   UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1265 			}
1266 		} else {
1267 			/* unpause dpg, no need to wait */
1268 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1269 			WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
1270 		}
1271 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1272 	}
1273 
1274 	return 0;
1275 }
1276 
1277 static bool vcn_v2_0_is_idle(void *handle)
1278 {
1279 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1280 
1281 	return (RREG32_SOC15(VCN, 0, mmUVD_STATUS) == UVD_STATUS__IDLE);
1282 }
1283 
1284 static int vcn_v2_0_wait_for_idle(void *handle)
1285 {
1286 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1287 	int ret;
1288 
1289 	ret = SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_STATUS, UVD_STATUS__IDLE,
1290 		UVD_STATUS__IDLE);
1291 
1292 	return ret;
1293 }
1294 
1295 static int vcn_v2_0_set_clockgating_state(void *handle,
1296 					  enum amd_clockgating_state state)
1297 {
1298 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1299 	bool enable = (state == AMD_CG_STATE_GATE);
1300 
1301 	if (amdgpu_sriov_vf(adev))
1302 		return 0;
1303 
1304 	if (enable) {
1305 		/* wait for STATUS to clear */
1306 		if (!vcn_v2_0_is_idle(handle))
1307 			return -EBUSY;
1308 		vcn_v2_0_enable_clock_gating(adev);
1309 	} else {
1310 		/* disable HW gating and enable Sw gating */
1311 		vcn_v2_0_disable_clock_gating(adev);
1312 	}
1313 	return 0;
1314 }
1315 
1316 /**
1317  * vcn_v2_0_dec_ring_get_rptr - get read pointer
1318  *
1319  * @ring: amdgpu_ring pointer
1320  *
1321  * Returns the current hardware read pointer
1322  */
1323 static uint64_t vcn_v2_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1324 {
1325 	struct amdgpu_device *adev = ring->adev;
1326 
1327 	return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
1328 }
1329 
1330 /**
1331  * vcn_v2_0_dec_ring_get_wptr - get write pointer
1332  *
1333  * @ring: amdgpu_ring pointer
1334  *
1335  * Returns the current hardware write pointer
1336  */
1337 static uint64_t vcn_v2_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1338 {
1339 	struct amdgpu_device *adev = ring->adev;
1340 
1341 	if (ring->use_doorbell)
1342 		return *ring->wptr_cpu_addr;
1343 	else
1344 		return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR);
1345 }
1346 
1347 /**
1348  * vcn_v2_0_dec_ring_set_wptr - set write pointer
1349  *
1350  * @ring: amdgpu_ring pointer
1351  *
1352  * Commits the write pointer to the hardware
1353  */
1354 static void vcn_v2_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1355 {
1356 	struct amdgpu_device *adev = ring->adev;
1357 
1358 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1359 		WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2,
1360 			lower_32_bits(ring->wptr) | 0x80000000);
1361 
1362 	if (ring->use_doorbell) {
1363 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1364 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1365 	} else {
1366 		WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1367 	}
1368 }
1369 
1370 /**
1371  * vcn_v2_0_dec_ring_insert_start - insert a start command
1372  *
1373  * @ring: amdgpu_ring pointer
1374  *
1375  * Write a start command to the ring.
1376  */
1377 void vcn_v2_0_dec_ring_insert_start(struct amdgpu_ring *ring)
1378 {
1379 	struct amdgpu_device *adev = ring->adev;
1380 
1381 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1382 	amdgpu_ring_write(ring, 0);
1383 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1384 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1));
1385 }
1386 
1387 /**
1388  * vcn_v2_0_dec_ring_insert_end - insert a end command
1389  *
1390  * @ring: amdgpu_ring pointer
1391  *
1392  * Write a end command to the ring.
1393  */
1394 void vcn_v2_0_dec_ring_insert_end(struct amdgpu_ring *ring)
1395 {
1396 	struct amdgpu_device *adev = ring->adev;
1397 
1398 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1399 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_END << 1));
1400 }
1401 
1402 /**
1403  * vcn_v2_0_dec_ring_insert_nop - insert a nop command
1404  *
1405  * @ring: amdgpu_ring pointer
1406  * @count: the number of NOP packets to insert
1407  *
1408  * Write a nop command to the ring.
1409  */
1410 void vcn_v2_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
1411 {
1412 	struct amdgpu_device *adev = ring->adev;
1413 	int i;
1414 
1415 	WARN_ON(ring->wptr % 2 || count % 2);
1416 
1417 	for (i = 0; i < count / 2; i++) {
1418 		amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.nop, 0));
1419 		amdgpu_ring_write(ring, 0);
1420 	}
1421 }
1422 
1423 /**
1424  * vcn_v2_0_dec_ring_emit_fence - emit an fence & trap command
1425  *
1426  * @ring: amdgpu_ring pointer
1427  * @addr: address
1428  * @seq: sequence number
1429  * @flags: fence related flags
1430  *
1431  * Write a fence and a trap command to the ring.
1432  */
1433 void vcn_v2_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1434 				unsigned flags)
1435 {
1436 	struct amdgpu_device *adev = ring->adev;
1437 
1438 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1439 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.context_id, 0));
1440 	amdgpu_ring_write(ring, seq);
1441 
1442 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1443 	amdgpu_ring_write(ring, addr & 0xffffffff);
1444 
1445 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1446 	amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
1447 
1448 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1449 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_FENCE << 1));
1450 
1451 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1452 	amdgpu_ring_write(ring, 0);
1453 
1454 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1455 	amdgpu_ring_write(ring, 0);
1456 
1457 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1458 
1459 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_TRAP << 1));
1460 }
1461 
1462 /**
1463  * vcn_v2_0_dec_ring_emit_ib - execute indirect buffer
1464  *
1465  * @ring: amdgpu_ring pointer
1466  * @job: job to retrieve vmid from
1467  * @ib: indirect buffer to execute
1468  * @flags: unused
1469  *
1470  * Write ring commands to execute the indirect buffer
1471  */
1472 void vcn_v2_0_dec_ring_emit_ib(struct amdgpu_ring *ring,
1473 			       struct amdgpu_job *job,
1474 			       struct amdgpu_ib *ib,
1475 			       uint32_t flags)
1476 {
1477 	struct amdgpu_device *adev = ring->adev;
1478 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1479 
1480 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.ib_vmid, 0));
1481 	amdgpu_ring_write(ring, vmid);
1482 
1483 	amdgpu_ring_write(ring,	PACKET0(adev->vcn.internal.ib_bar_low, 0));
1484 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1485 	amdgpu_ring_write(ring,	PACKET0(adev->vcn.internal.ib_bar_high, 0));
1486 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1487 	amdgpu_ring_write(ring,	PACKET0(adev->vcn.internal.ib_size, 0));
1488 	amdgpu_ring_write(ring, ib->length_dw);
1489 }
1490 
1491 void vcn_v2_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1492 				uint32_t val, uint32_t mask)
1493 {
1494 	struct amdgpu_device *adev = ring->adev;
1495 
1496 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1497 	amdgpu_ring_write(ring, reg << 2);
1498 
1499 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1500 	amdgpu_ring_write(ring, val);
1501 
1502 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.gp_scratch8, 0));
1503 	amdgpu_ring_write(ring, mask);
1504 
1505 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1506 
1507 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_REG_READ_COND_WAIT << 1));
1508 }
1509 
1510 void vcn_v2_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
1511 				unsigned vmid, uint64_t pd_addr)
1512 {
1513 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1514 	uint32_t data0, data1, mask;
1515 
1516 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1517 
1518 	/* wait for register write */
1519 	data0 = hub->ctx0_ptb_addr_lo32 + vmid * hub->ctx_addr_distance;
1520 	data1 = lower_32_bits(pd_addr);
1521 	mask = 0xffffffff;
1522 	vcn_v2_0_dec_ring_emit_reg_wait(ring, data0, data1, mask);
1523 }
1524 
1525 void vcn_v2_0_dec_ring_emit_wreg(struct amdgpu_ring *ring,
1526 				uint32_t reg, uint32_t val)
1527 {
1528 	struct amdgpu_device *adev = ring->adev;
1529 
1530 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data0, 0));
1531 	amdgpu_ring_write(ring, reg << 2);
1532 
1533 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.data1, 0));
1534 	amdgpu_ring_write(ring, val);
1535 
1536 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1537 
1538 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_WRITE_REG << 1));
1539 }
1540 
1541 /**
1542  * vcn_v2_0_enc_ring_get_rptr - get enc read pointer
1543  *
1544  * @ring: amdgpu_ring pointer
1545  *
1546  * Returns the current hardware enc read pointer
1547  */
1548 static uint64_t vcn_v2_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
1549 {
1550 	struct amdgpu_device *adev = ring->adev;
1551 
1552 	if (ring == &adev->vcn.inst->ring_enc[0])
1553 		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR);
1554 	else
1555 		return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2);
1556 }
1557 
1558  /**
1559  * vcn_v2_0_enc_ring_get_wptr - get enc write pointer
1560  *
1561  * @ring: amdgpu_ring pointer
1562  *
1563  * Returns the current hardware enc write pointer
1564  */
1565 static uint64_t vcn_v2_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
1566 {
1567 	struct amdgpu_device *adev = ring->adev;
1568 
1569 	if (ring == &adev->vcn.inst->ring_enc[0]) {
1570 		if (ring->use_doorbell)
1571 			return *ring->wptr_cpu_addr;
1572 		else
1573 			return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR);
1574 	} else {
1575 		if (ring->use_doorbell)
1576 			return *ring->wptr_cpu_addr;
1577 		else
1578 			return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2);
1579 	}
1580 }
1581 
1582  /**
1583  * vcn_v2_0_enc_ring_set_wptr - set enc write pointer
1584  *
1585  * @ring: amdgpu_ring pointer
1586  *
1587  * Commits the enc write pointer to the hardware
1588  */
1589 static void vcn_v2_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
1590 {
1591 	struct amdgpu_device *adev = ring->adev;
1592 
1593 	if (ring == &adev->vcn.inst->ring_enc[0]) {
1594 		if (ring->use_doorbell) {
1595 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1596 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1597 		} else {
1598 			WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1599 		}
1600 	} else {
1601 		if (ring->use_doorbell) {
1602 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1603 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1604 		} else {
1605 			WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1606 		}
1607 	}
1608 }
1609 
1610 /**
1611  * vcn_v2_0_enc_ring_emit_fence - emit an enc fence & trap command
1612  *
1613  * @ring: amdgpu_ring pointer
1614  * @addr: address
1615  * @seq: sequence number
1616  * @flags: fence related flags
1617  *
1618  * Write enc a fence and a trap command to the ring.
1619  */
1620 void vcn_v2_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
1621 				u64 seq, unsigned flags)
1622 {
1623 	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1624 
1625 	amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE);
1626 	amdgpu_ring_write(ring, addr);
1627 	amdgpu_ring_write(ring, upper_32_bits(addr));
1628 	amdgpu_ring_write(ring, seq);
1629 	amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP);
1630 }
1631 
1632 void vcn_v2_0_enc_ring_insert_end(struct amdgpu_ring *ring)
1633 {
1634 	amdgpu_ring_write(ring, VCN_ENC_CMD_END);
1635 }
1636 
1637 /**
1638  * vcn_v2_0_enc_ring_emit_ib - enc execute indirect buffer
1639  *
1640  * @ring: amdgpu_ring pointer
1641  * @job: job to retrive vmid from
1642  * @ib: indirect buffer to execute
1643  * @flags: unused
1644  *
1645  * Write enc ring commands to execute the indirect buffer
1646  */
1647 void vcn_v2_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
1648 			       struct amdgpu_job *job,
1649 			       struct amdgpu_ib *ib,
1650 			       uint32_t flags)
1651 {
1652 	unsigned vmid = AMDGPU_JOB_GET_VMID(job);
1653 
1654 	amdgpu_ring_write(ring, VCN_ENC_CMD_IB);
1655 	amdgpu_ring_write(ring, vmid);
1656 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1657 	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1658 	amdgpu_ring_write(ring, ib->length_dw);
1659 }
1660 
1661 void vcn_v2_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1662 				uint32_t val, uint32_t mask)
1663 {
1664 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT);
1665 	amdgpu_ring_write(ring, reg << 2);
1666 	amdgpu_ring_write(ring, mask);
1667 	amdgpu_ring_write(ring, val);
1668 }
1669 
1670 void vcn_v2_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
1671 				unsigned int vmid, uint64_t pd_addr)
1672 {
1673 	struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
1674 
1675 	pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1676 
1677 	/* wait for reg writes */
1678 	vcn_v2_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 +
1679 					vmid * hub->ctx_addr_distance,
1680 					lower_32_bits(pd_addr), 0xffffffff);
1681 }
1682 
1683 void vcn_v2_0_enc_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg, uint32_t val)
1684 {
1685 	amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE);
1686 	amdgpu_ring_write(ring,	reg << 2);
1687 	amdgpu_ring_write(ring, val);
1688 }
1689 
1690 static int vcn_v2_0_set_interrupt_state(struct amdgpu_device *adev,
1691 					struct amdgpu_irq_src *source,
1692 					unsigned type,
1693 					enum amdgpu_interrupt_state state)
1694 {
1695 	return 0;
1696 }
1697 
1698 static int vcn_v2_0_process_interrupt(struct amdgpu_device *adev,
1699 				      struct amdgpu_irq_src *source,
1700 				      struct amdgpu_iv_entry *entry)
1701 {
1702 	DRM_DEBUG("IH: VCN TRAP\n");
1703 
1704 	switch (entry->src_id) {
1705 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
1706 		amdgpu_fence_process(&adev->vcn.inst->ring_dec);
1707 		break;
1708 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1709 		amdgpu_fence_process(&adev->vcn.inst->ring_enc[0]);
1710 		break;
1711 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
1712 		amdgpu_fence_process(&adev->vcn.inst->ring_enc[1]);
1713 		break;
1714 	default:
1715 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1716 			  entry->src_id, entry->src_data[0]);
1717 		break;
1718 	}
1719 
1720 	return 0;
1721 }
1722 
1723 int vcn_v2_0_dec_ring_test_ring(struct amdgpu_ring *ring)
1724 {
1725 	struct amdgpu_device *adev = ring->adev;
1726 	uint32_t tmp = 0;
1727 	unsigned i;
1728 	int r;
1729 
1730 	if (amdgpu_sriov_vf(adev))
1731 		return 0;
1732 
1733 	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
1734 	r = amdgpu_ring_alloc(ring, 4);
1735 	if (r)
1736 		return r;
1737 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0));
1738 	amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1));
1739 	amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
1740 	amdgpu_ring_write(ring, 0xDEADBEEF);
1741 	amdgpu_ring_commit(ring);
1742 	for (i = 0; i < adev->usec_timeout; i++) {
1743 		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
1744 		if (tmp == 0xDEADBEEF)
1745 			break;
1746 		udelay(1);
1747 	}
1748 
1749 	if (i >= adev->usec_timeout)
1750 		r = -ETIMEDOUT;
1751 
1752 	return r;
1753 }
1754 
1755 
1756 static int vcn_v2_0_set_powergating_state(void *handle,
1757 					  enum amd_powergating_state state)
1758 {
1759 	/* This doesn't actually powergate the VCN block.
1760 	 * That's done in the dpm code via the SMC.  This
1761 	 * just re-inits the block as necessary.  The actual
1762 	 * gating still happens in the dpm code.  We should
1763 	 * revisit this when there is a cleaner line between
1764 	 * the smc and the hw blocks
1765 	 */
1766 	int ret;
1767 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1768 
1769 	if (amdgpu_sriov_vf(adev)) {
1770 		adev->vcn.cur_state = AMD_PG_STATE_UNGATE;
1771 		return 0;
1772 	}
1773 
1774 	if (state == adev->vcn.cur_state)
1775 		return 0;
1776 
1777 	if (state == AMD_PG_STATE_GATE)
1778 		ret = vcn_v2_0_stop(adev);
1779 	else
1780 		ret = vcn_v2_0_start(adev);
1781 
1782 	if (!ret)
1783 		adev->vcn.cur_state = state;
1784 	return ret;
1785 }
1786 
1787 static int vcn_v2_0_start_mmsch(struct amdgpu_device *adev,
1788 				struct amdgpu_mm_table *table)
1789 {
1790 	uint32_t data = 0, loop;
1791 	uint64_t addr = table->gpu_addr;
1792 	struct mmsch_v2_0_init_header *header;
1793 	uint32_t size;
1794 	int i;
1795 
1796 	header = (struct mmsch_v2_0_init_header *)table->cpu_addr;
1797 	size = header->header_size + header->vcn_table_size;
1798 
1799 	/* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1800 	 * of memory descriptor location
1801 	 */
1802 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
1803 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
1804 
1805 	/* 2, update vmid of descriptor */
1806 	data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID);
1807 	data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1808 	/* use domain0 for MM scheduler */
1809 	data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1810 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID, data);
1811 
1812 	/* 3, notify mmsch about the size of this descriptor */
1813 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_SIZE, size);
1814 
1815 	/* 4, set resp to zero */
1816 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1817 
1818 	adev->vcn.inst->ring_dec.wptr = 0;
1819 	adev->vcn.inst->ring_dec.wptr_old = 0;
1820 	vcn_v2_0_dec_ring_set_wptr(&adev->vcn.inst->ring_dec);
1821 
1822 	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
1823 		adev->vcn.inst->ring_enc[i].wptr = 0;
1824 		adev->vcn.inst->ring_enc[i].wptr_old = 0;
1825 		vcn_v2_0_enc_ring_set_wptr(&adev->vcn.inst->ring_enc[i]);
1826 	}
1827 
1828 	/* 5, kick off the initialization and wait until
1829 	 * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
1830 	 */
1831 	WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
1832 
1833 	data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
1834 	loop = 1000;
1835 	while ((data & 0x10000002) != 0x10000002) {
1836 		udelay(10);
1837 		data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
1838 		loop--;
1839 		if (!loop)
1840 			break;
1841 	}
1842 
1843 	if (!loop) {
1844 		DRM_ERROR("failed to init MMSCH, " \
1845 			"mmMMSCH_VF_MAILBOX_RESP = 0x%08x\n", data);
1846 		return -EBUSY;
1847 	}
1848 
1849 	return 0;
1850 }
1851 
1852 static int vcn_v2_0_start_sriov(struct amdgpu_device *adev)
1853 {
1854 	int r;
1855 	uint32_t tmp;
1856 	struct amdgpu_ring *ring;
1857 	uint32_t offset, size;
1858 	uint32_t table_size = 0;
1859 	struct mmsch_v2_0_cmd_direct_write direct_wt = { {0} };
1860 	struct mmsch_v2_0_cmd_direct_read_modify_write direct_rd_mod_wt = { {0} };
1861 	struct mmsch_v2_0_cmd_end end = { {0} };
1862 	struct mmsch_v2_0_init_header *header;
1863 	uint32_t *init_table = adev->virt.mm_table.cpu_addr;
1864 	uint8_t i = 0;
1865 
1866 	header = (struct mmsch_v2_0_init_header *)init_table;
1867 	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
1868 	direct_rd_mod_wt.cmd_header.command_type =
1869 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1870 	end.cmd_header.command_type = MMSCH_COMMAND__END;
1871 
1872 	if (header->vcn_table_offset == 0 && header->vcn_table_size == 0) {
1873 		header->version = MMSCH_VERSION;
1874 		header->header_size = sizeof(struct mmsch_v2_0_init_header) >> 2;
1875 
1876 		header->vcn_table_offset = header->header_size;
1877 
1878 		init_table += header->vcn_table_offset;
1879 
1880 		size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
1881 
1882 		MMSCH_V2_0_INSERT_DIRECT_RD_MOD_WT(
1883 			SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS),
1884 			0xFFFFFFFF, 0x00000004);
1885 
1886 		/* mc resume*/
1887 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1888 			MMSCH_V2_0_INSERT_DIRECT_WT(
1889 				SOC15_REG_OFFSET(UVD, i,
1890 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1891 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_lo);
1892 			MMSCH_V2_0_INSERT_DIRECT_WT(
1893 				SOC15_REG_OFFSET(UVD, i,
1894 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1895 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].tmr_mc_addr_hi);
1896 			offset = 0;
1897 		} else {
1898 			MMSCH_V2_0_INSERT_DIRECT_WT(
1899 				SOC15_REG_OFFSET(UVD, i,
1900 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1901 				lower_32_bits(adev->vcn.inst->gpu_addr));
1902 			MMSCH_V2_0_INSERT_DIRECT_WT(
1903 				SOC15_REG_OFFSET(UVD, i,
1904 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1905 				upper_32_bits(adev->vcn.inst->gpu_addr));
1906 			offset = size;
1907 		}
1908 
1909 		MMSCH_V2_0_INSERT_DIRECT_WT(
1910 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET0),
1911 			0);
1912 		MMSCH_V2_0_INSERT_DIRECT_WT(
1913 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE0),
1914 			size);
1915 
1916 		MMSCH_V2_0_INSERT_DIRECT_WT(
1917 			SOC15_REG_OFFSET(UVD, i,
1918 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1919 			lower_32_bits(adev->vcn.inst->gpu_addr + offset));
1920 		MMSCH_V2_0_INSERT_DIRECT_WT(
1921 			SOC15_REG_OFFSET(UVD, i,
1922 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1923 			upper_32_bits(adev->vcn.inst->gpu_addr + offset));
1924 		MMSCH_V2_0_INSERT_DIRECT_WT(
1925 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET1),
1926 			0);
1927 		MMSCH_V2_0_INSERT_DIRECT_WT(
1928 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE1),
1929 			AMDGPU_VCN_STACK_SIZE);
1930 
1931 		MMSCH_V2_0_INSERT_DIRECT_WT(
1932 			SOC15_REG_OFFSET(UVD, i,
1933 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1934 			lower_32_bits(adev->vcn.inst->gpu_addr + offset +
1935 				AMDGPU_VCN_STACK_SIZE));
1936 		MMSCH_V2_0_INSERT_DIRECT_WT(
1937 			SOC15_REG_OFFSET(UVD, i,
1938 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1939 			upper_32_bits(adev->vcn.inst->gpu_addr + offset +
1940 				AMDGPU_VCN_STACK_SIZE));
1941 		MMSCH_V2_0_INSERT_DIRECT_WT(
1942 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET2),
1943 			0);
1944 		MMSCH_V2_0_INSERT_DIRECT_WT(
1945 			SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE2),
1946 			AMDGPU_VCN_CONTEXT_SIZE);
1947 
1948 		for (r = 0; r < adev->vcn.num_enc_rings; ++r) {
1949 			ring = &adev->vcn.inst->ring_enc[r];
1950 			ring->wptr = 0;
1951 			MMSCH_V2_0_INSERT_DIRECT_WT(
1952 				SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_LO),
1953 				lower_32_bits(ring->gpu_addr));
1954 			MMSCH_V2_0_INSERT_DIRECT_WT(
1955 				SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_HI),
1956 				upper_32_bits(ring->gpu_addr));
1957 			MMSCH_V2_0_INSERT_DIRECT_WT(
1958 				SOC15_REG_OFFSET(UVD, i, mmUVD_RB_SIZE),
1959 				ring->ring_size / 4);
1960 		}
1961 
1962 		ring = &adev->vcn.inst->ring_dec;
1963 		ring->wptr = 0;
1964 		MMSCH_V2_0_INSERT_DIRECT_WT(
1965 			SOC15_REG_OFFSET(UVD, i,
1966 				mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1967 			lower_32_bits(ring->gpu_addr));
1968 		MMSCH_V2_0_INSERT_DIRECT_WT(
1969 			SOC15_REG_OFFSET(UVD, i,
1970 				mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1971 			upper_32_bits(ring->gpu_addr));
1972 		/* force RBC into idle state */
1973 		tmp = order_base_2(ring->ring_size);
1974 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp);
1975 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1976 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1977 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1978 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1979 		MMSCH_V2_0_INSERT_DIRECT_WT(
1980 			SOC15_REG_OFFSET(UVD, i, mmUVD_RBC_RB_CNTL), tmp);
1981 
1982 		/* add end packet */
1983 		tmp = sizeof(struct mmsch_v2_0_cmd_end);
1984 		memcpy((void *)init_table, &end, tmp);
1985 		table_size += (tmp / 4);
1986 		header->vcn_table_size = table_size;
1987 
1988 	}
1989 	return vcn_v2_0_start_mmsch(adev, &adev->virt.mm_table);
1990 }
1991 
1992 static const struct amd_ip_funcs vcn_v2_0_ip_funcs = {
1993 	.name = "vcn_v2_0",
1994 	.early_init = vcn_v2_0_early_init,
1995 	.late_init = NULL,
1996 	.sw_init = vcn_v2_0_sw_init,
1997 	.sw_fini = vcn_v2_0_sw_fini,
1998 	.hw_init = vcn_v2_0_hw_init,
1999 	.hw_fini = vcn_v2_0_hw_fini,
2000 	.suspend = vcn_v2_0_suspend,
2001 	.resume = vcn_v2_0_resume,
2002 	.is_idle = vcn_v2_0_is_idle,
2003 	.wait_for_idle = vcn_v2_0_wait_for_idle,
2004 	.check_soft_reset = NULL,
2005 	.pre_soft_reset = NULL,
2006 	.soft_reset = NULL,
2007 	.post_soft_reset = NULL,
2008 	.set_clockgating_state = vcn_v2_0_set_clockgating_state,
2009 	.set_powergating_state = vcn_v2_0_set_powergating_state,
2010 };
2011 
2012 static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = {
2013 	.type = AMDGPU_RING_TYPE_VCN_DEC,
2014 	.align_mask = 0xf,
2015 	.secure_submission_supported = true,
2016 	.vmhub = AMDGPU_MMHUB_0,
2017 	.get_rptr = vcn_v2_0_dec_ring_get_rptr,
2018 	.get_wptr = vcn_v2_0_dec_ring_get_wptr,
2019 	.set_wptr = vcn_v2_0_dec_ring_set_wptr,
2020 	.emit_frame_size =
2021 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
2022 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
2023 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
2024 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
2025 		6,
2026 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
2027 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
2028 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
2029 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
2030 	.test_ring = vcn_v2_0_dec_ring_test_ring,
2031 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
2032 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
2033 	.insert_start = vcn_v2_0_dec_ring_insert_start,
2034 	.insert_end = vcn_v2_0_dec_ring_insert_end,
2035 	.pad_ib = amdgpu_ring_generic_pad_ib,
2036 	.begin_use = amdgpu_vcn_ring_begin_use,
2037 	.end_use = amdgpu_vcn_ring_end_use,
2038 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
2039 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
2040 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2041 };
2042 
2043 static const struct amdgpu_ring_funcs vcn_v2_0_enc_ring_vm_funcs = {
2044 	.type = AMDGPU_RING_TYPE_VCN_ENC,
2045 	.align_mask = 0x3f,
2046 	.nop = VCN_ENC_CMD_NO_OP,
2047 	.vmhub = AMDGPU_MMHUB_0,
2048 	.get_rptr = vcn_v2_0_enc_ring_get_rptr,
2049 	.get_wptr = vcn_v2_0_enc_ring_get_wptr,
2050 	.set_wptr = vcn_v2_0_enc_ring_set_wptr,
2051 	.emit_frame_size =
2052 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2053 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2054 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
2055 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
2056 		1, /* vcn_v2_0_enc_ring_insert_end */
2057 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
2058 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
2059 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
2060 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
2061 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2062 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2063 	.insert_nop = amdgpu_ring_insert_nop,
2064 	.insert_end = vcn_v2_0_enc_ring_insert_end,
2065 	.pad_ib = amdgpu_ring_generic_pad_ib,
2066 	.begin_use = amdgpu_vcn_ring_begin_use,
2067 	.end_use = amdgpu_vcn_ring_end_use,
2068 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
2069 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
2070 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2071 };
2072 
2073 static void vcn_v2_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2074 {
2075 	adev->vcn.inst->ring_dec.funcs = &vcn_v2_0_dec_ring_vm_funcs;
2076 	DRM_INFO("VCN decode is enabled in VM mode\n");
2077 }
2078 
2079 static void vcn_v2_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2080 {
2081 	int i;
2082 
2083 	for (i = 0; i < adev->vcn.num_enc_rings; ++i)
2084 		adev->vcn.inst->ring_enc[i].funcs = &vcn_v2_0_enc_ring_vm_funcs;
2085 
2086 	DRM_INFO("VCN encode is enabled in VM mode\n");
2087 }
2088 
2089 static const struct amdgpu_irq_src_funcs vcn_v2_0_irq_funcs = {
2090 	.set = vcn_v2_0_set_interrupt_state,
2091 	.process = vcn_v2_0_process_interrupt,
2092 };
2093 
2094 static void vcn_v2_0_set_irq_funcs(struct amdgpu_device *adev)
2095 {
2096 	adev->vcn.inst->irq.num_types = adev->vcn.num_enc_rings + 1;
2097 	adev->vcn.inst->irq.funcs = &vcn_v2_0_irq_funcs;
2098 }
2099 
2100 const struct amdgpu_ip_block_version vcn_v2_0_ip_block =
2101 {
2102 		.type = AMD_IP_BLOCK_TYPE_VCN,
2103 		.major = 2,
2104 		.minor = 0,
2105 		.rev = 0,
2106 		.funcs = &vcn_v2_0_ip_funcs,
2107 };
2108