xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c (revision 26721b02)
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 
26 #include "amdgpu.h"
27 #include "amdgpu_vcn.h"
28 #include "amdgpu_pm.h"
29 #include "soc15.h"
30 #include "soc15d.h"
31 #include "vcn_v2_0.h"
32 #include "mmsch_v1_0.h"
33 
34 #include "vcn/vcn_2_5_offset.h"
35 #include "vcn/vcn_2_5_sh_mask.h"
36 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
37 
38 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
39 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
40 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
41 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
42 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
43 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
44 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
45 
46 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
47 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
48 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET 	0x3b5
49 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
50 
51 #define VCN25_MAX_HW_INSTANCES_ARCTURUS			2
52 
53 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev);
54 static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev);
55 static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev);
56 static int vcn_v2_5_set_powergating_state(void *handle,
57 				enum amd_powergating_state state);
58 static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
59 				int inst_idx, struct dpg_pause_state *new_state);
60 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev);
61 
62 static int amdgpu_ih_clientid_vcns[] = {
63 	SOC15_IH_CLIENTID_VCN,
64 	SOC15_IH_CLIENTID_VCN1
65 };
66 
67 /**
68  * vcn_v2_5_early_init - set function pointers
69  *
70  * @handle: amdgpu_device pointer
71  *
72  * Set ring and irq function pointers
73  */
74 static int vcn_v2_5_early_init(void *handle)
75 {
76 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
77 
78 	if (amdgpu_sriov_vf(adev)) {
79 		adev->vcn.num_vcn_inst = 2;
80 		adev->vcn.harvest_config = 0;
81 		adev->vcn.num_enc_rings = 1;
82 	} else {
83 		if (adev->asic_type == CHIP_ARCTURUS) {
84 			u32 harvest;
85 			int i;
86 
87 			adev->vcn.num_vcn_inst = VCN25_MAX_HW_INSTANCES_ARCTURUS;
88 			for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
89 				harvest = RREG32_SOC15(VCN, i, mmCC_UVD_HARVESTING);
90 				if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
91 					adev->vcn.harvest_config |= 1 << i;
92 			}
93 
94 			if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
95 						AMDGPU_VCN_HARVEST_VCN1))
96 				/* both instances are harvested, disable the block */
97 				return -ENOENT;
98 		} else
99 			adev->vcn.num_vcn_inst = 1;
100 
101 		adev->vcn.num_enc_rings = 2;
102 	}
103 
104 	vcn_v2_5_set_dec_ring_funcs(adev);
105 	vcn_v2_5_set_enc_ring_funcs(adev);
106 	vcn_v2_5_set_irq_funcs(adev);
107 
108 	return 0;
109 }
110 
111 /**
112  * vcn_v2_5_sw_init - sw init for VCN block
113  *
114  * @handle: amdgpu_device pointer
115  *
116  * Load firmware and sw initialization
117  */
118 static int vcn_v2_5_sw_init(void *handle)
119 {
120 	struct amdgpu_ring *ring;
121 	int i, j, r;
122 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
123 
124 	for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
125 		if (adev->vcn.harvest_config & (1 << j))
126 			continue;
127 		/* VCN DEC TRAP */
128 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
129 				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[j].irq);
130 		if (r)
131 			return r;
132 
133 		/* VCN ENC TRAP */
134 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
135 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
136 				i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[j].irq);
137 			if (r)
138 				return r;
139 		}
140 	}
141 
142 	r = amdgpu_vcn_sw_init(adev);
143 	if (r)
144 		return r;
145 
146 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
147 		const struct common_firmware_header *hdr;
148 		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
149 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].ucode_id = AMDGPU_UCODE_ID_VCN;
150 		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].fw = adev->vcn.fw;
151 		adev->firmware.fw_size +=
152 			ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
153 
154 		if (adev->vcn.num_vcn_inst == VCN25_MAX_HW_INSTANCES_ARCTURUS) {
155 			adev->firmware.ucode[AMDGPU_UCODE_ID_VCN1].ucode_id = AMDGPU_UCODE_ID_VCN1;
156 			adev->firmware.ucode[AMDGPU_UCODE_ID_VCN1].fw = adev->vcn.fw;
157 			adev->firmware.fw_size +=
158 				ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
159 		}
160 		DRM_INFO("PSP loading VCN firmware\n");
161 	}
162 
163 	r = amdgpu_vcn_resume(adev);
164 	if (r)
165 		return r;
166 
167 	for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
168 		volatile struct amdgpu_fw_shared *fw_shared;
169 
170 		if (adev->vcn.harvest_config & (1 << j))
171 			continue;
172 		adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
173 		adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
174 		adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
175 		adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
176 		adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
177 		adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
178 
179 		adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
180 		adev->vcn.inst[j].external.scratch9 = SOC15_REG_OFFSET(VCN, j, mmUVD_SCRATCH9);
181 		adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
182 		adev->vcn.inst[j].external.data0 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA0);
183 		adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
184 		adev->vcn.inst[j].external.data1 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA1);
185 		adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
186 		adev->vcn.inst[j].external.cmd = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_CMD);
187 		adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
188 		adev->vcn.inst[j].external.nop = SOC15_REG_OFFSET(VCN, j, mmUVD_NO_OP);
189 
190 		ring = &adev->vcn.inst[j].ring_dec;
191 		ring->use_doorbell = true;
192 
193 		ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
194 				(amdgpu_sriov_vf(adev) ? 2*j : 8*j);
195 		sprintf(ring->name, "vcn_dec_%d", j);
196 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq,
197 				     0, AMDGPU_RING_PRIO_DEFAULT);
198 		if (r)
199 			return r;
200 
201 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
202 			ring = &adev->vcn.inst[j].ring_enc[i];
203 			ring->use_doorbell = true;
204 
205 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
206 					(amdgpu_sriov_vf(adev) ? (1 + i + 2*j) : (2 + i + 8*j));
207 
208 			sprintf(ring->name, "vcn_enc_%d.%d", j, i);
209 			r = amdgpu_ring_init(adev, ring, 512,
210 					     &adev->vcn.inst[j].irq, 0,
211 					     AMDGPU_RING_PRIO_DEFAULT);
212 			if (r)
213 				return r;
214 		}
215 
216 		fw_shared = adev->vcn.inst[j].fw_shared_cpu_addr;
217 		fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
218 	}
219 
220 	if (amdgpu_sriov_vf(adev)) {
221 		r = amdgpu_virt_alloc_mm_table(adev);
222 		if (r)
223 			return r;
224 	}
225 
226 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
227 		adev->vcn.pause_dpg_mode = vcn_v2_5_pause_dpg_mode;
228 
229 	return 0;
230 }
231 
232 /**
233  * vcn_v2_5_sw_fini - sw fini for VCN block
234  *
235  * @handle: amdgpu_device pointer
236  *
237  * VCN suspend and free up sw allocation
238  */
239 static int vcn_v2_5_sw_fini(void *handle)
240 {
241 	int i, r;
242 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
243 	volatile struct amdgpu_fw_shared *fw_shared;
244 
245 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
246 		if (adev->vcn.harvest_config & (1 << i))
247 			continue;
248 		fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
249 		fw_shared->present_flag_0 = 0;
250 	}
251 
252 	if (amdgpu_sriov_vf(adev))
253 		amdgpu_virt_free_mm_table(adev);
254 
255 	r = amdgpu_vcn_suspend(adev);
256 	if (r)
257 		return r;
258 
259 	r = amdgpu_vcn_sw_fini(adev);
260 
261 	return r;
262 }
263 
264 /**
265  * vcn_v2_5_hw_init - start and test VCN block
266  *
267  * @handle: amdgpu_device pointer
268  *
269  * Initialize the hardware, boot up the VCPU and do some testing
270  */
271 static int vcn_v2_5_hw_init(void *handle)
272 {
273 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
274 	struct amdgpu_ring *ring;
275 	int i, j, r = 0;
276 
277 	if (amdgpu_sriov_vf(adev))
278 		r = vcn_v2_5_sriov_start(adev);
279 
280 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
281 		if (adev->vcn.harvest_config & (1 << j))
282 			continue;
283 
284 		if (amdgpu_sriov_vf(adev)) {
285 			adev->vcn.inst[j].ring_enc[0].sched.ready = true;
286 			adev->vcn.inst[j].ring_enc[1].sched.ready = false;
287 			adev->vcn.inst[j].ring_enc[2].sched.ready = false;
288 			adev->vcn.inst[j].ring_dec.sched.ready = true;
289 		} else {
290 
291 			ring = &adev->vcn.inst[j].ring_dec;
292 
293 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
294 						     ring->doorbell_index, j);
295 
296 			r = amdgpu_ring_test_helper(ring);
297 			if (r)
298 				goto done;
299 
300 			for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
301 				ring = &adev->vcn.inst[j].ring_enc[i];
302 				r = amdgpu_ring_test_helper(ring);
303 				if (r)
304 					goto done;
305 			}
306 		}
307 	}
308 
309 done:
310 	if (!r)
311 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
312 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
313 
314 	return r;
315 }
316 
317 /**
318  * vcn_v2_5_hw_fini - stop the hardware block
319  *
320  * @handle: amdgpu_device pointer
321  *
322  * Stop the VCN block, mark ring as not ready any more
323  */
324 static int vcn_v2_5_hw_fini(void *handle)
325 {
326 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
327 	int i;
328 
329 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
330 		if (adev->vcn.harvest_config & (1 << i))
331 			continue;
332 
333 		if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
334 		    (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
335 		     RREG32_SOC15(VCN, i, mmUVD_STATUS)))
336 			vcn_v2_5_set_powergating_state(adev, AMD_PG_STATE_GATE);
337 	}
338 
339 	return 0;
340 }
341 
342 /**
343  * vcn_v2_5_suspend - suspend VCN block
344  *
345  * @handle: amdgpu_device pointer
346  *
347  * HW fini and suspend VCN block
348  */
349 static int vcn_v2_5_suspend(void *handle)
350 {
351 	int r;
352 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
353 
354 	r = vcn_v2_5_hw_fini(adev);
355 	if (r)
356 		return r;
357 
358 	r = amdgpu_vcn_suspend(adev);
359 
360 	return r;
361 }
362 
363 /**
364  * vcn_v2_5_resume - resume VCN block
365  *
366  * @handle: amdgpu_device pointer
367  *
368  * Resume firmware and hw init VCN block
369  */
370 static int vcn_v2_5_resume(void *handle)
371 {
372 	int r;
373 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
374 
375 	r = amdgpu_vcn_resume(adev);
376 	if (r)
377 		return r;
378 
379 	r = vcn_v2_5_hw_init(adev);
380 
381 	return r;
382 }
383 
384 /**
385  * vcn_v2_5_mc_resume - memory controller programming
386  *
387  * @adev: amdgpu_device pointer
388  *
389  * Let the VCN memory controller know it's offsets
390  */
391 static void vcn_v2_5_mc_resume(struct amdgpu_device *adev)
392 {
393 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
394 	uint32_t offset;
395 	int i;
396 
397 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
398 		if (adev->vcn.harvest_config & (1 << i))
399 			continue;
400 		/* cache window 0: fw */
401 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
402 			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
403 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo));
404 			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
405 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi));
406 			WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0, 0);
407 			offset = 0;
408 		} else {
409 			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
410 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
411 			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
412 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
413 			offset = size;
414 			WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0,
415 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
416 		}
417 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE0, size);
418 
419 		/* cache window 1: stack */
420 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
421 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
422 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
423 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
424 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET1, 0);
425 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
426 
427 		/* cache window 2: context */
428 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
429 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
430 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
431 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
432 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET2, 0);
433 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
434 
435 		/* non-cache window */
436 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
437 			lower_32_bits(adev->vcn.inst[i].fw_shared_gpu_addr));
438 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
439 			upper_32_bits(adev->vcn.inst[i].fw_shared_gpu_addr));
440 		WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
441 		WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_SIZE0,
442 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
443 	}
444 }
445 
446 static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
447 {
448 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
449 	uint32_t offset;
450 
451 	/* cache window 0: fw */
452 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
453 		if (!indirect) {
454 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
455 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
456 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
457 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
458 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
459 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
460 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
461 				VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
462 		} else {
463 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
464 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
465 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
466 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
467 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
468 				VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
469 		}
470 		offset = 0;
471 	} else {
472 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
473 			VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
474 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
475 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
476 			VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
477 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
478 		offset = size;
479 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
480 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET0),
481 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
482 	}
483 
484 	if (!indirect)
485 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
486 			VCN, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
487 	else
488 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
489 			VCN, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
490 
491 	/* cache window 1: stack */
492 	if (!indirect) {
493 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
494 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
495 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
496 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
497 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
498 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
499 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
500 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
501 	} else {
502 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
503 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
504 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
505 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
506 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
507 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
508 	}
509 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
510 		VCN, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
511 
512 	/* cache window 2: context */
513 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
514 		VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
515 		lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
516 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
517 		VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
518 		upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
519 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
520 		VCN, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
521 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
522 		VCN, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
523 
524 	/* non-cache window */
525 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
526 		VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
527 		lower_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
528 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
529 		VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
530 		upper_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
531 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
532 		VCN, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
533 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
534 		VCN, 0, mmUVD_VCPU_NONCACHE_SIZE0),
535 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
536 
537 	/* VCN global tiling registers */
538 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
539 		VCN, 0, mmUVD_GFX8_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
540 }
541 
542 /**
543  * vcn_v2_5_disable_clock_gating - disable VCN clock gating
544  *
545  * @adev: amdgpu_device pointer
546  *
547  * Disable clock gating for VCN block
548  */
549 static void vcn_v2_5_disable_clock_gating(struct amdgpu_device *adev)
550 {
551 	uint32_t data;
552 	int i;
553 
554 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
555 		if (adev->vcn.harvest_config & (1 << i))
556 			continue;
557 		/* UVD disable CGC */
558 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
559 		if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
560 			data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
561 		else
562 			data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
563 		data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
564 		data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
565 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
566 
567 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_GATE);
568 		data &= ~(UVD_CGC_GATE__SYS_MASK
569 			| UVD_CGC_GATE__UDEC_MASK
570 			| UVD_CGC_GATE__MPEG2_MASK
571 			| UVD_CGC_GATE__REGS_MASK
572 			| UVD_CGC_GATE__RBC_MASK
573 			| UVD_CGC_GATE__LMI_MC_MASK
574 			| UVD_CGC_GATE__LMI_UMC_MASK
575 			| UVD_CGC_GATE__IDCT_MASK
576 			| UVD_CGC_GATE__MPRD_MASK
577 			| UVD_CGC_GATE__MPC_MASK
578 			| UVD_CGC_GATE__LBSI_MASK
579 			| UVD_CGC_GATE__LRBBM_MASK
580 			| UVD_CGC_GATE__UDEC_RE_MASK
581 			| UVD_CGC_GATE__UDEC_CM_MASK
582 			| UVD_CGC_GATE__UDEC_IT_MASK
583 			| UVD_CGC_GATE__UDEC_DB_MASK
584 			| UVD_CGC_GATE__UDEC_MP_MASK
585 			| UVD_CGC_GATE__WCB_MASK
586 			| UVD_CGC_GATE__VCPU_MASK
587 			| UVD_CGC_GATE__MMSCH_MASK);
588 
589 		WREG32_SOC15(VCN, i, mmUVD_CGC_GATE, data);
590 
591 		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
592 
593 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
594 		data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
595 			| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
596 			| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
597 			| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
598 			| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
599 			| UVD_CGC_CTRL__SYS_MODE_MASK
600 			| UVD_CGC_CTRL__UDEC_MODE_MASK
601 			| UVD_CGC_CTRL__MPEG2_MODE_MASK
602 			| UVD_CGC_CTRL__REGS_MODE_MASK
603 			| UVD_CGC_CTRL__RBC_MODE_MASK
604 			| UVD_CGC_CTRL__LMI_MC_MODE_MASK
605 			| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
606 			| UVD_CGC_CTRL__IDCT_MODE_MASK
607 			| UVD_CGC_CTRL__MPRD_MODE_MASK
608 			| UVD_CGC_CTRL__MPC_MODE_MASK
609 			| UVD_CGC_CTRL__LBSI_MODE_MASK
610 			| UVD_CGC_CTRL__LRBBM_MODE_MASK
611 			| UVD_CGC_CTRL__WCB_MODE_MASK
612 			| UVD_CGC_CTRL__VCPU_MODE_MASK
613 			| UVD_CGC_CTRL__MMSCH_MODE_MASK);
614 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
615 
616 		/* turn on */
617 		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE);
618 		data |= (UVD_SUVD_CGC_GATE__SRE_MASK
619 			| UVD_SUVD_CGC_GATE__SIT_MASK
620 			| UVD_SUVD_CGC_GATE__SMP_MASK
621 			| UVD_SUVD_CGC_GATE__SCM_MASK
622 			| UVD_SUVD_CGC_GATE__SDB_MASK
623 			| UVD_SUVD_CGC_GATE__SRE_H264_MASK
624 			| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
625 			| UVD_SUVD_CGC_GATE__SIT_H264_MASK
626 			| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
627 			| UVD_SUVD_CGC_GATE__SCM_H264_MASK
628 			| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
629 			| UVD_SUVD_CGC_GATE__SDB_H264_MASK
630 			| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
631 			| UVD_SUVD_CGC_GATE__SCLR_MASK
632 			| UVD_SUVD_CGC_GATE__UVD_SC_MASK
633 			| UVD_SUVD_CGC_GATE__ENT_MASK
634 			| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
635 			| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
636 			| UVD_SUVD_CGC_GATE__SITE_MASK
637 			| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
638 			| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
639 			| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
640 			| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
641 			| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
642 		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE, data);
643 
644 		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
645 		data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
646 			| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
647 			| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
648 			| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
649 			| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
650 			| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
651 			| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
652 			| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
653 			| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
654 			| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
655 		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
656 	}
657 }
658 
659 static void vcn_v2_5_clock_gating_dpg_mode(struct amdgpu_device *adev,
660 		uint8_t sram_sel, int inst_idx, uint8_t indirect)
661 {
662 	uint32_t reg_data = 0;
663 
664 	/* enable sw clock gating control */
665 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
666 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
667 	else
668 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
669 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
670 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
671 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
672 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
673 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
674 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
675 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
676 		 UVD_CGC_CTRL__SYS_MODE_MASK |
677 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
678 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
679 		 UVD_CGC_CTRL__REGS_MODE_MASK |
680 		 UVD_CGC_CTRL__RBC_MODE_MASK |
681 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
682 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
683 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
684 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
685 		 UVD_CGC_CTRL__MPC_MODE_MASK |
686 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
687 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
688 		 UVD_CGC_CTRL__WCB_MODE_MASK |
689 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
690 		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
691 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
692 		VCN, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
693 
694 	/* turn off clock gating */
695 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
696 		VCN, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
697 
698 	/* turn on SUVD clock gating */
699 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
700 		VCN, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
701 
702 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
703 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
704 		VCN, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
705 }
706 
707 /**
708  * vcn_v2_5_enable_clock_gating - enable VCN clock gating
709  *
710  * @adev: amdgpu_device pointer
711  *
712  * Enable clock gating for VCN block
713  */
714 static void vcn_v2_5_enable_clock_gating(struct amdgpu_device *adev)
715 {
716 	uint32_t data = 0;
717 	int i;
718 
719 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
720 		if (adev->vcn.harvest_config & (1 << i))
721 			continue;
722 		/* enable UVD CGC */
723 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
724 		if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
725 			data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
726 		else
727 			data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
728 		data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
729 		data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
730 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
731 
732 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
733 		data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
734 			| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
735 			| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
736 			| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
737 			| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
738 			| UVD_CGC_CTRL__SYS_MODE_MASK
739 			| UVD_CGC_CTRL__UDEC_MODE_MASK
740 			| UVD_CGC_CTRL__MPEG2_MODE_MASK
741 			| UVD_CGC_CTRL__REGS_MODE_MASK
742 			| UVD_CGC_CTRL__RBC_MODE_MASK
743 			| UVD_CGC_CTRL__LMI_MC_MODE_MASK
744 			| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
745 			| UVD_CGC_CTRL__IDCT_MODE_MASK
746 			| UVD_CGC_CTRL__MPRD_MODE_MASK
747 			| UVD_CGC_CTRL__MPC_MODE_MASK
748 			| UVD_CGC_CTRL__LBSI_MODE_MASK
749 			| UVD_CGC_CTRL__LRBBM_MODE_MASK
750 			| UVD_CGC_CTRL__WCB_MODE_MASK
751 			| UVD_CGC_CTRL__VCPU_MODE_MASK);
752 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
753 
754 		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
755 		data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
756 			| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
757 			| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
758 			| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
759 			| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
760 			| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
761 			| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
762 			| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
763 			| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
764 			| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
765 		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
766 	}
767 }
768 
769 static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
770 {
771 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
772 	struct amdgpu_ring *ring;
773 	uint32_t rb_bufsz, tmp;
774 
775 	/* disable register anti-hang mechanism */
776 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
777 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
778 	/* enable dynamic power gating mode */
779 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
780 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
781 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
782 	WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
783 
784 	if (indirect)
785 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t*)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
786 
787 	/* enable clock gating */
788 	vcn_v2_5_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
789 
790 	/* enable VCPU clock */
791 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
792 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
793 	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
794 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
795 		VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
796 
797 	/* disable master interupt */
798 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
799 		VCN, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
800 
801 	/* setup mmUVD_LMI_CTRL */
802 	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
803 		UVD_LMI_CTRL__REQ_MODE_MASK |
804 		UVD_LMI_CTRL__CRC_RESET_MASK |
805 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
806 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
807 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
808 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
809 		0x00100000L);
810 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
811 		VCN, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
812 
813 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
814 		VCN, 0, mmUVD_MPC_CNTL),
815 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
816 
817 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
818 		VCN, 0, mmUVD_MPC_SET_MUXA0),
819 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
820 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
821 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
822 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
823 
824 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
825 		VCN, 0, mmUVD_MPC_SET_MUXB0),
826 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
827 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
828 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
829 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
830 
831 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
832 		VCN, 0, mmUVD_MPC_SET_MUX),
833 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
834 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
835 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
836 
837 	vcn_v2_5_mc_resume_dpg_mode(adev, inst_idx, indirect);
838 
839 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
840 		VCN, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
841 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
842 		VCN, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
843 
844 	/* enable LMI MC and UMC channels */
845 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
846 		VCN, 0, mmUVD_LMI_CTRL2), 0, 0, indirect);
847 
848 	/* unblock VCPU register access */
849 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
850 		VCN, 0, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
851 
852 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
853 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
854 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
855 		VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
856 
857 	/* enable master interrupt */
858 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
859 		VCN, 0, mmUVD_MASTINT_EN),
860 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
861 
862 	if (indirect)
863 		psp_update_vcn_sram(adev, inst_idx, adev->vcn.inst[inst_idx].dpg_sram_gpu_addr,
864 				    (uint32_t)((uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_curr_addr -
865 					       (uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr));
866 
867 	ring = &adev->vcn.inst[inst_idx].ring_dec;
868 	/* force RBC into idle state */
869 	rb_bufsz = order_base_2(ring->ring_size);
870 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
871 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
872 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
873 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
874 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
875 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
876 
877 	/* Stall DPG before WPTR/RPTR reset */
878 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
879 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
880 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
881 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
882 
883 	/* set the write pointer delay */
884 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
885 
886 	/* set the wb address */
887 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
888 		(upper_32_bits(ring->gpu_addr) >> 2));
889 
890 	/* programm the RB_BASE for ring buffer */
891 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
892 		lower_32_bits(ring->gpu_addr));
893 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
894 		upper_32_bits(ring->gpu_addr));
895 
896 	/* Initialize the ring buffer's read and write pointers */
897 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
898 
899 	WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
900 
901 	ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
902 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
903 		lower_32_bits(ring->wptr));
904 
905 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
906 	/* Unstall DPG */
907 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
908 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
909 
910 	return 0;
911 }
912 
913 static int vcn_v2_5_start(struct amdgpu_device *adev)
914 {
915 	struct amdgpu_ring *ring;
916 	uint32_t rb_bufsz, tmp;
917 	int i, j, k, r;
918 
919 	if (adev->pm.dpm_enabled)
920 		amdgpu_dpm_enable_uvd(adev, true);
921 
922 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
923 		if (adev->vcn.harvest_config & (1 << i))
924 			continue;
925 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
926 			r = vcn_v2_5_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
927 			continue;
928 		}
929 
930 		/* disable register anti-hang mechanism */
931 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS), 0,
932 			~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
933 
934 		/* set uvd status busy */
935 		tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
936 		WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
937 	}
938 
939 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
940 		return 0;
941 
942 	/*SW clock gating */
943 	vcn_v2_5_disable_clock_gating(adev);
944 
945 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
946 		if (adev->vcn.harvest_config & (1 << i))
947 			continue;
948 		/* enable VCPU clock */
949 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
950 			UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
951 
952 		/* disable master interrupt */
953 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
954 			~UVD_MASTINT_EN__VCPU_EN_MASK);
955 
956 		/* setup mmUVD_LMI_CTRL */
957 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
958 		tmp &= ~0xff;
959 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp | 0x8|
960 			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
961 			UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
962 			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
963 			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
964 
965 		/* setup mmUVD_MPC_CNTL */
966 		tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
967 		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
968 		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
969 		WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
970 
971 		/* setup UVD_MPC_SET_MUXA0 */
972 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
973 			((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
974 			(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
975 			(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
976 			(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
977 
978 		/* setup UVD_MPC_SET_MUXB0 */
979 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
980 			((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
981 			(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
982 			(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
983 			(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
984 
985 		/* setup mmUVD_MPC_SET_MUX */
986 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
987 			((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
988 			(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
989 			(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
990 	}
991 
992 	vcn_v2_5_mc_resume(adev);
993 
994 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
995 		volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
996 		if (adev->vcn.harvest_config & (1 << i))
997 			continue;
998 		/* VCN global tiling registers */
999 		WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
1000 			adev->gfx.config.gb_addr_config);
1001 		WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
1002 			adev->gfx.config.gb_addr_config);
1003 
1004 		/* enable LMI MC and UMC channels */
1005 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
1006 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1007 
1008 		/* unblock VCPU register access */
1009 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
1010 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1011 
1012 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1013 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1014 
1015 		for (k = 0; k < 10; ++k) {
1016 			uint32_t status;
1017 
1018 			for (j = 0; j < 100; ++j) {
1019 				status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
1020 				if (status & 2)
1021 					break;
1022 				if (amdgpu_emu_mode == 1)
1023 					msleep(500);
1024 				else
1025 					mdelay(10);
1026 			}
1027 			r = 0;
1028 			if (status & 2)
1029 				break;
1030 
1031 			DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
1032 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1033 				UVD_VCPU_CNTL__BLK_RST_MASK,
1034 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1035 			mdelay(10);
1036 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1037 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1038 
1039 			mdelay(10);
1040 			r = -1;
1041 		}
1042 
1043 		if (r) {
1044 			DRM_ERROR("VCN decode not responding, giving up!!!\n");
1045 			return r;
1046 		}
1047 
1048 		/* enable master interrupt */
1049 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
1050 			UVD_MASTINT_EN__VCPU_EN_MASK,
1051 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1052 
1053 		/* clear the busy bit of VCN_STATUS */
1054 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
1055 			~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1056 
1057 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
1058 
1059 		ring = &adev->vcn.inst[i].ring_dec;
1060 		/* force RBC into idle state */
1061 		rb_bufsz = order_base_2(ring->ring_size);
1062 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1063 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1064 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1065 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1066 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1067 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
1068 
1069 		fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1070 		/* programm the RB_BASE for ring buffer */
1071 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1072 			lower_32_bits(ring->gpu_addr));
1073 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1074 			upper_32_bits(ring->gpu_addr));
1075 
1076 		/* Initialize the ring buffer's read and write pointers */
1077 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
1078 
1079 		ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
1080 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
1081 				lower_32_bits(ring->wptr));
1082 		fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1083 
1084 		fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1085 		ring = &adev->vcn.inst[i].ring_enc[0];
1086 		WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1087 		WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1088 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
1089 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1090 		WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
1091 		fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1092 
1093 		fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1094 		ring = &adev->vcn.inst[i].ring_enc[1];
1095 		WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1096 		WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1097 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1098 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1099 		WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
1100 		fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1101 	}
1102 
1103 	return 0;
1104 }
1105 
1106 static int vcn_v2_5_mmsch_start(struct amdgpu_device *adev,
1107 				struct amdgpu_mm_table *table)
1108 {
1109 	uint32_t data = 0, loop = 0, size = 0;
1110 	uint64_t addr = table->gpu_addr;
1111 	struct mmsch_v1_1_init_header *header = NULL;;
1112 
1113 	header = (struct mmsch_v1_1_init_header *)table->cpu_addr;
1114 	size = header->total_size;
1115 
1116 	/*
1117 	 * 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of
1118 	 *  memory descriptor location
1119 	 */
1120 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
1121 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
1122 
1123 	/* 2, update vmid of descriptor */
1124 	data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
1125 	data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1126 	/* use domain0 for MM scheduler */
1127 	data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1128 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, data);
1129 
1130 	/* 3, notify mmsch about the size of this descriptor */
1131 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
1132 
1133 	/* 4, set resp to zero */
1134 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1135 
1136 	/*
1137 	 * 5, kick off the initialization and wait until
1138 	 * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
1139 	 */
1140 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
1141 
1142 	data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1143 	loop = 10;
1144 	while ((data & 0x10000002) != 0x10000002) {
1145 		udelay(100);
1146 		data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1147 		loop--;
1148 		if (!loop)
1149 			break;
1150 	}
1151 
1152 	if (!loop) {
1153 		dev_err(adev->dev,
1154 			"failed to init MMSCH, mmMMSCH_VF_MAILBOX_RESP = %x\n",
1155 			data);
1156 		return -EBUSY;
1157 	}
1158 
1159 	return 0;
1160 }
1161 
1162 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
1163 {
1164 	struct amdgpu_ring *ring;
1165 	uint32_t offset, size, tmp, i, rb_bufsz;
1166 	uint32_t table_size = 0;
1167 	struct mmsch_v1_0_cmd_direct_write direct_wt = { { 0 } };
1168 	struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { { 0 } };
1169 	struct mmsch_v1_0_cmd_end end = { { 0 } };
1170 	uint32_t *init_table = adev->virt.mm_table.cpu_addr;
1171 	struct mmsch_v1_1_init_header *header = (struct mmsch_v1_1_init_header *)init_table;
1172 
1173 	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
1174 	direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1175 	end.cmd_header.command_type = MMSCH_COMMAND__END;
1176 
1177 	header->version = MMSCH_VERSION;
1178 	header->total_size = sizeof(struct mmsch_v1_1_init_header) >> 2;
1179 	init_table += header->total_size;
1180 
1181 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1182 		header->eng[i].table_offset = header->total_size;
1183 		header->eng[i].init_status = 0;
1184 		header->eng[i].table_size = 0;
1185 
1186 		table_size = 0;
1187 
1188 		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(
1189 			SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS),
1190 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1191 
1192 		size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
1193 		/* mc resume*/
1194 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1195 			MMSCH_V1_0_INSERT_DIRECT_WT(
1196 				SOC15_REG_OFFSET(VCN, i,
1197 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1198 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
1199 			MMSCH_V1_0_INSERT_DIRECT_WT(
1200 				SOC15_REG_OFFSET(VCN, i,
1201 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1202 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
1203 			offset = 0;
1204 			MMSCH_V1_0_INSERT_DIRECT_WT(
1205 				SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0), 0);
1206 		} else {
1207 			MMSCH_V1_0_INSERT_DIRECT_WT(
1208 				SOC15_REG_OFFSET(VCN, i,
1209 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1210 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1211 			MMSCH_V1_0_INSERT_DIRECT_WT(
1212 				SOC15_REG_OFFSET(VCN, i,
1213 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1214 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1215 			offset = size;
1216 			MMSCH_V1_0_INSERT_DIRECT_WT(
1217 				SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0),
1218 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1219 		}
1220 
1221 		MMSCH_V1_0_INSERT_DIRECT_WT(
1222 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE0),
1223 			size);
1224 		MMSCH_V1_0_INSERT_DIRECT_WT(
1225 			SOC15_REG_OFFSET(VCN, i,
1226 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1227 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
1228 		MMSCH_V1_0_INSERT_DIRECT_WT(
1229 			SOC15_REG_OFFSET(VCN, i,
1230 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1231 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
1232 		MMSCH_V1_0_INSERT_DIRECT_WT(
1233 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET1),
1234 			0);
1235 		MMSCH_V1_0_INSERT_DIRECT_WT(
1236 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE1),
1237 			AMDGPU_VCN_STACK_SIZE);
1238 		MMSCH_V1_0_INSERT_DIRECT_WT(
1239 			SOC15_REG_OFFSET(VCN, i,
1240 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1241 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset +
1242 				AMDGPU_VCN_STACK_SIZE));
1243 		MMSCH_V1_0_INSERT_DIRECT_WT(
1244 			SOC15_REG_OFFSET(VCN, i,
1245 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1246 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset +
1247 				AMDGPU_VCN_STACK_SIZE));
1248 		MMSCH_V1_0_INSERT_DIRECT_WT(
1249 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET2),
1250 			0);
1251 		MMSCH_V1_0_INSERT_DIRECT_WT(
1252 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE2),
1253 			AMDGPU_VCN_CONTEXT_SIZE);
1254 
1255 		ring = &adev->vcn.inst[i].ring_enc[0];
1256 		ring->wptr = 0;
1257 
1258 		MMSCH_V1_0_INSERT_DIRECT_WT(
1259 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_LO),
1260 			lower_32_bits(ring->gpu_addr));
1261 		MMSCH_V1_0_INSERT_DIRECT_WT(
1262 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_HI),
1263 			upper_32_bits(ring->gpu_addr));
1264 		MMSCH_V1_0_INSERT_DIRECT_WT(
1265 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_SIZE),
1266 			ring->ring_size / 4);
1267 
1268 		ring = &adev->vcn.inst[i].ring_dec;
1269 		ring->wptr = 0;
1270 		MMSCH_V1_0_INSERT_DIRECT_WT(
1271 			SOC15_REG_OFFSET(VCN, i,
1272 				mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1273 			lower_32_bits(ring->gpu_addr));
1274 		MMSCH_V1_0_INSERT_DIRECT_WT(
1275 			SOC15_REG_OFFSET(VCN, i,
1276 				mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1277 			upper_32_bits(ring->gpu_addr));
1278 
1279 		/* force RBC into idle state */
1280 		rb_bufsz = order_base_2(ring->ring_size);
1281 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1282 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1283 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1284 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1285 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1286 		MMSCH_V1_0_INSERT_DIRECT_WT(
1287 			SOC15_REG_OFFSET(VCN, i, mmUVD_RBC_RB_CNTL), tmp);
1288 
1289 		/* add end packet */
1290 		memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end));
1291 		table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4;
1292 		init_table += sizeof(struct mmsch_v1_0_cmd_end) / 4;
1293 
1294 		/* refine header */
1295 		header->eng[i].table_size = table_size;
1296 		header->total_size += table_size;
1297 	}
1298 
1299 	return vcn_v2_5_mmsch_start(adev, &adev->virt.mm_table);
1300 }
1301 
1302 static int vcn_v2_5_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
1303 {
1304 	uint32_t tmp;
1305 
1306 	/* Wait for power status to be 1 */
1307 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1308 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1309 
1310 	/* wait for read ptr to be equal to write ptr */
1311 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
1312 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1313 
1314 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
1315 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1316 
1317 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1318 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1319 
1320 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1321 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1322 
1323 	/* disable dynamic power gating mode */
1324 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
1325 			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1326 
1327 	return 0;
1328 }
1329 
1330 static int vcn_v2_5_stop(struct amdgpu_device *adev)
1331 {
1332 	uint32_t tmp;
1333 	int i, r = 0;
1334 
1335 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1336 		if (adev->vcn.harvest_config & (1 << i))
1337 			continue;
1338 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1339 			r = vcn_v2_5_stop_dpg_mode(adev, i);
1340 			continue;
1341 		}
1342 
1343 		/* wait for vcn idle */
1344 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1345 		if (r)
1346 			return r;
1347 
1348 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1349 			UVD_LMI_STATUS__READ_CLEAN_MASK |
1350 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1351 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1352 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1353 		if (r)
1354 			return r;
1355 
1356 		/* block LMI UMC channel */
1357 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
1358 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1359 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
1360 
1361 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1362 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1363 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1364 		if (r)
1365 			return r;
1366 
1367 		/* block VCPU register access */
1368 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
1369 			UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1370 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1371 
1372 		/* reset VCPU */
1373 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1374 			UVD_VCPU_CNTL__BLK_RST_MASK,
1375 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1376 
1377 		/* disable VCPU clock */
1378 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1379 			~(UVD_VCPU_CNTL__CLK_EN_MASK));
1380 
1381 		/* clear status */
1382 		WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
1383 
1384 		vcn_v2_5_enable_clock_gating(adev);
1385 
1386 		/* enable register anti-hang mechanism */
1387 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS),
1388 			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK,
1389 			~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1390 	}
1391 
1392 	if (adev->pm.dpm_enabled)
1393 		amdgpu_dpm_enable_uvd(adev, false);
1394 
1395 	return 0;
1396 }
1397 
1398 static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
1399 				int inst_idx, struct dpg_pause_state *new_state)
1400 {
1401 	struct amdgpu_ring *ring;
1402 	uint32_t reg_data = 0;
1403 	int ret_code = 0;
1404 
1405 	/* pause/unpause if state is changed */
1406 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1407 		DRM_DEBUG("dpg pause state changed %d -> %d",
1408 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1409 		reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
1410 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1411 
1412 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1413 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1414 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1415 
1416 			if (!ret_code) {
1417 				volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
1418 
1419 				/* pause DPG */
1420 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1421 				WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1422 
1423 				/* wait for ACK */
1424 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
1425 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1426 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1427 
1428 				/* Stall DPG before WPTR/RPTR reset */
1429 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1430 					   UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1431 					   ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1432 
1433 				/* Restore */
1434 				fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1435 				ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1436 				ring->wptr = 0;
1437 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
1438 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1439 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
1440 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1441 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1442 				fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1443 
1444 				fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1445 				ring = &adev->vcn.inst[inst_idx].ring_enc[1];
1446 				ring->wptr = 0;
1447 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1448 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1449 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
1450 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1451 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1452 				fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1453 
1454 				/* Unstall DPG */
1455 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1456 					   0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1457 
1458 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
1459 					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1460 			}
1461 		} else {
1462 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1463 			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1464 			SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1465 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1466 		}
1467 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1468 	}
1469 
1470 	return 0;
1471 }
1472 
1473 /**
1474  * vcn_v2_5_dec_ring_get_rptr - get read pointer
1475  *
1476  * @ring: amdgpu_ring pointer
1477  *
1478  * Returns the current hardware read pointer
1479  */
1480 static uint64_t vcn_v2_5_dec_ring_get_rptr(struct amdgpu_ring *ring)
1481 {
1482 	struct amdgpu_device *adev = ring->adev;
1483 
1484 	return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
1485 }
1486 
1487 /**
1488  * vcn_v2_5_dec_ring_get_wptr - get write pointer
1489  *
1490  * @ring: amdgpu_ring pointer
1491  *
1492  * Returns the current hardware write pointer
1493  */
1494 static uint64_t vcn_v2_5_dec_ring_get_wptr(struct amdgpu_ring *ring)
1495 {
1496 	struct amdgpu_device *adev = ring->adev;
1497 
1498 	if (ring->use_doorbell)
1499 		return adev->wb.wb[ring->wptr_offs];
1500 	else
1501 		return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
1502 }
1503 
1504 /**
1505  * vcn_v2_5_dec_ring_set_wptr - set write pointer
1506  *
1507  * @ring: amdgpu_ring pointer
1508  *
1509  * Commits the write pointer to the hardware
1510  */
1511 static void vcn_v2_5_dec_ring_set_wptr(struct amdgpu_ring *ring)
1512 {
1513 	struct amdgpu_device *adev = ring->adev;
1514 
1515 	if (ring->use_doorbell) {
1516 		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1517 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1518 	} else {
1519 		WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1520 	}
1521 }
1522 
1523 static const struct amdgpu_ring_funcs vcn_v2_5_dec_ring_vm_funcs = {
1524 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1525 	.align_mask = 0xf,
1526 	.vmhub = AMDGPU_MMHUB_1,
1527 	.get_rptr = vcn_v2_5_dec_ring_get_rptr,
1528 	.get_wptr = vcn_v2_5_dec_ring_get_wptr,
1529 	.set_wptr = vcn_v2_5_dec_ring_set_wptr,
1530 	.emit_frame_size =
1531 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1532 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1533 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
1534 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
1535 		6,
1536 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
1537 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
1538 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
1539 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
1540 	.test_ring = vcn_v2_0_dec_ring_test_ring,
1541 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
1542 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
1543 	.insert_start = vcn_v2_0_dec_ring_insert_start,
1544 	.insert_end = vcn_v2_0_dec_ring_insert_end,
1545 	.pad_ib = amdgpu_ring_generic_pad_ib,
1546 	.begin_use = amdgpu_vcn_ring_begin_use,
1547 	.end_use = amdgpu_vcn_ring_end_use,
1548 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
1549 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
1550 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1551 };
1552 
1553 /**
1554  * vcn_v2_5_enc_ring_get_rptr - get enc read pointer
1555  *
1556  * @ring: amdgpu_ring pointer
1557  *
1558  * Returns the current hardware enc read pointer
1559  */
1560 static uint64_t vcn_v2_5_enc_ring_get_rptr(struct amdgpu_ring *ring)
1561 {
1562 	struct amdgpu_device *adev = ring->adev;
1563 
1564 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
1565 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
1566 	else
1567 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
1568 }
1569 
1570 /**
1571  * vcn_v2_5_enc_ring_get_wptr - get enc write pointer
1572  *
1573  * @ring: amdgpu_ring pointer
1574  *
1575  * Returns the current hardware enc write pointer
1576  */
1577 static uint64_t vcn_v2_5_enc_ring_get_wptr(struct amdgpu_ring *ring)
1578 {
1579 	struct amdgpu_device *adev = ring->adev;
1580 
1581 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1582 		if (ring->use_doorbell)
1583 			return adev->wb.wb[ring->wptr_offs];
1584 		else
1585 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
1586 	} else {
1587 		if (ring->use_doorbell)
1588 			return adev->wb.wb[ring->wptr_offs];
1589 		else
1590 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
1591 	}
1592 }
1593 
1594 /**
1595  * vcn_v2_5_enc_ring_set_wptr - set enc write pointer
1596  *
1597  * @ring: amdgpu_ring pointer
1598  *
1599  * Commits the enc write pointer to the hardware
1600  */
1601 static void vcn_v2_5_enc_ring_set_wptr(struct amdgpu_ring *ring)
1602 {
1603 	struct amdgpu_device *adev = ring->adev;
1604 
1605 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1606 		if (ring->use_doorbell) {
1607 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1608 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1609 		} else {
1610 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1611 		}
1612 	} else {
1613 		if (ring->use_doorbell) {
1614 			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
1615 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1616 		} else {
1617 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1618 		}
1619 	}
1620 }
1621 
1622 static const struct amdgpu_ring_funcs vcn_v2_5_enc_ring_vm_funcs = {
1623 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1624 	.align_mask = 0x3f,
1625 	.nop = VCN_ENC_CMD_NO_OP,
1626 	.vmhub = AMDGPU_MMHUB_1,
1627 	.get_rptr = vcn_v2_5_enc_ring_get_rptr,
1628 	.get_wptr = vcn_v2_5_enc_ring_get_wptr,
1629 	.set_wptr = vcn_v2_5_enc_ring_set_wptr,
1630 	.emit_frame_size =
1631 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1632 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1633 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1634 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1635 		1, /* vcn_v2_0_enc_ring_insert_end */
1636 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1637 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1638 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1639 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1640 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1641 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
1642 	.insert_nop = amdgpu_ring_insert_nop,
1643 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1644 	.pad_ib = amdgpu_ring_generic_pad_ib,
1645 	.begin_use = amdgpu_vcn_ring_begin_use,
1646 	.end_use = amdgpu_vcn_ring_end_use,
1647 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1648 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1649 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1650 };
1651 
1652 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev)
1653 {
1654 	int i;
1655 
1656 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1657 		if (adev->vcn.harvest_config & (1 << i))
1658 			continue;
1659 		adev->vcn.inst[i].ring_dec.funcs = &vcn_v2_5_dec_ring_vm_funcs;
1660 		adev->vcn.inst[i].ring_dec.me = i;
1661 		DRM_INFO("VCN(%d) decode is enabled in VM mode\n", i);
1662 	}
1663 }
1664 
1665 static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev)
1666 {
1667 	int i, j;
1668 
1669 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
1670 		if (adev->vcn.harvest_config & (1 << j))
1671 			continue;
1672 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
1673 			adev->vcn.inst[j].ring_enc[i].funcs = &vcn_v2_5_enc_ring_vm_funcs;
1674 			adev->vcn.inst[j].ring_enc[i].me = j;
1675 		}
1676 		DRM_INFO("VCN(%d) encode is enabled in VM mode\n", j);
1677 	}
1678 }
1679 
1680 static bool vcn_v2_5_is_idle(void *handle)
1681 {
1682 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1683 	int i, ret = 1;
1684 
1685 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1686 		if (adev->vcn.harvest_config & (1 << i))
1687 			continue;
1688 		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
1689 	}
1690 
1691 	return ret;
1692 }
1693 
1694 static int vcn_v2_5_wait_for_idle(void *handle)
1695 {
1696 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1697 	int i, ret = 0;
1698 
1699 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1700 		if (adev->vcn.harvest_config & (1 << i))
1701 			continue;
1702 		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
1703 			UVD_STATUS__IDLE);
1704 		if (ret)
1705 			return ret;
1706 	}
1707 
1708 	return ret;
1709 }
1710 
1711 static int vcn_v2_5_set_clockgating_state(void *handle,
1712 					  enum amd_clockgating_state state)
1713 {
1714 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1715 	bool enable = (state == AMD_CG_STATE_GATE);
1716 
1717 	if (amdgpu_sriov_vf(adev))
1718 		return 0;
1719 
1720 	if (enable) {
1721 		if (!vcn_v2_5_is_idle(handle))
1722 			return -EBUSY;
1723 		vcn_v2_5_enable_clock_gating(adev);
1724 	} else {
1725 		vcn_v2_5_disable_clock_gating(adev);
1726 	}
1727 
1728 	return 0;
1729 }
1730 
1731 static int vcn_v2_5_set_powergating_state(void *handle,
1732 					  enum amd_powergating_state state)
1733 {
1734 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1735 	int ret;
1736 
1737 	if (amdgpu_sriov_vf(adev))
1738 		return 0;
1739 
1740 	if(state == adev->vcn.cur_state)
1741 		return 0;
1742 
1743 	if (state == AMD_PG_STATE_GATE)
1744 		ret = vcn_v2_5_stop(adev);
1745 	else
1746 		ret = vcn_v2_5_start(adev);
1747 
1748 	if(!ret)
1749 		adev->vcn.cur_state = state;
1750 
1751 	return ret;
1752 }
1753 
1754 static int vcn_v2_5_set_interrupt_state(struct amdgpu_device *adev,
1755 					struct amdgpu_irq_src *source,
1756 					unsigned type,
1757 					enum amdgpu_interrupt_state state)
1758 {
1759 	return 0;
1760 }
1761 
1762 static int vcn_v2_5_process_interrupt(struct amdgpu_device *adev,
1763 				      struct amdgpu_irq_src *source,
1764 				      struct amdgpu_iv_entry *entry)
1765 {
1766 	uint32_t ip_instance;
1767 
1768 	switch (entry->client_id) {
1769 	case SOC15_IH_CLIENTID_VCN:
1770 		ip_instance = 0;
1771 		break;
1772 	case SOC15_IH_CLIENTID_VCN1:
1773 		ip_instance = 1;
1774 		break;
1775 	default:
1776 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
1777 		return 0;
1778 	}
1779 
1780 	DRM_DEBUG("IH: VCN TRAP\n");
1781 
1782 	switch (entry->src_id) {
1783 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
1784 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
1785 		break;
1786 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1787 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
1788 		break;
1789 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
1790 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
1791 		break;
1792 	default:
1793 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1794 			  entry->src_id, entry->src_data[0]);
1795 		break;
1796 	}
1797 
1798 	return 0;
1799 }
1800 
1801 static const struct amdgpu_irq_src_funcs vcn_v2_5_irq_funcs = {
1802 	.set = vcn_v2_5_set_interrupt_state,
1803 	.process = vcn_v2_5_process_interrupt,
1804 };
1805 
1806 static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev)
1807 {
1808 	int i;
1809 
1810 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1811 		if (adev->vcn.harvest_config & (1 << i))
1812 			continue;
1813 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
1814 		adev->vcn.inst[i].irq.funcs = &vcn_v2_5_irq_funcs;
1815 	}
1816 }
1817 
1818 static const struct amd_ip_funcs vcn_v2_5_ip_funcs = {
1819 	.name = "vcn_v2_5",
1820 	.early_init = vcn_v2_5_early_init,
1821 	.late_init = NULL,
1822 	.sw_init = vcn_v2_5_sw_init,
1823 	.sw_fini = vcn_v2_5_sw_fini,
1824 	.hw_init = vcn_v2_5_hw_init,
1825 	.hw_fini = vcn_v2_5_hw_fini,
1826 	.suspend = vcn_v2_5_suspend,
1827 	.resume = vcn_v2_5_resume,
1828 	.is_idle = vcn_v2_5_is_idle,
1829 	.wait_for_idle = vcn_v2_5_wait_for_idle,
1830 	.check_soft_reset = NULL,
1831 	.pre_soft_reset = NULL,
1832 	.soft_reset = NULL,
1833 	.post_soft_reset = NULL,
1834 	.set_clockgating_state = vcn_v2_5_set_clockgating_state,
1835 	.set_powergating_state = vcn_v2_5_set_powergating_state,
1836 };
1837 
1838 const struct amdgpu_ip_block_version vcn_v2_5_ip_block =
1839 {
1840 		.type = AMD_IP_BLOCK_TYPE_VCN,
1841 		.major = 2,
1842 		.minor = 5,
1843 		.rev = 0,
1844 		.funcs = &vcn_v2_5_ip_funcs,
1845 };
1846