xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c (revision e847c767)
1 /*
2  * Copyright 2019 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 #include <drm/drm_drv.h>
26 
27 #include "amdgpu.h"
28 #include "amdgpu_vcn.h"
29 #include "amdgpu_pm.h"
30 #include "soc15.h"
31 #include "soc15d.h"
32 #include "vcn_v2_0.h"
33 #include "mmsch_v1_0.h"
34 #include "vcn_v2_5.h"
35 
36 #include "vcn/vcn_2_5_offset.h"
37 #include "vcn/vcn_2_5_sh_mask.h"
38 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
39 
40 #define VCN_VID_SOC_ADDRESS_2_0					0x1fa00
41 #define VCN1_VID_SOC_ADDRESS_3_0				0x48200
42 
43 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
44 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
45 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
46 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
47 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
48 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
49 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
50 
51 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
52 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
53 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x3b5
54 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
55 
56 #define VCN25_MAX_HW_INSTANCES_ARCTURUS			2
57 
58 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev);
59 static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev);
60 static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev);
61 static int vcn_v2_5_set_powergating_state(void *handle,
62 				enum amd_powergating_state state);
63 static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
64 				int inst_idx, struct dpg_pause_state *new_state);
65 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev);
66 static void vcn_v2_5_set_ras_funcs(struct amdgpu_device *adev);
67 
68 static int amdgpu_ih_clientid_vcns[] = {
69 	SOC15_IH_CLIENTID_VCN,
70 	SOC15_IH_CLIENTID_VCN1
71 };
72 
73 /**
74  * vcn_v2_5_early_init - set function pointers and load microcode
75  *
76  * @handle: amdgpu_device pointer
77  *
78  * Set ring and irq function pointers
79  * Load microcode from filesystem
80  */
81 static int vcn_v2_5_early_init(void *handle)
82 {
83 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
84 
85 	if (amdgpu_sriov_vf(adev)) {
86 		adev->vcn.num_vcn_inst = 2;
87 		adev->vcn.harvest_config = 0;
88 		adev->vcn.num_enc_rings = 1;
89 	} else {
90 		u32 harvest;
91 		int i;
92 
93 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
94 			harvest = RREG32_SOC15(VCN, i, mmCC_UVD_HARVESTING);
95 			if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
96 				adev->vcn.harvest_config |= 1 << i;
97 		}
98 		if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
99 					AMDGPU_VCN_HARVEST_VCN1))
100 			/* both instances are harvested, disable the block */
101 			return -ENOENT;
102 
103 		adev->vcn.num_enc_rings = 2;
104 	}
105 
106 	vcn_v2_5_set_dec_ring_funcs(adev);
107 	vcn_v2_5_set_enc_ring_funcs(adev);
108 	vcn_v2_5_set_irq_funcs(adev);
109 	vcn_v2_5_set_ras_funcs(adev);
110 
111 	return amdgpu_vcn_early_init(adev);
112 }
113 
114 /**
115  * vcn_v2_5_sw_init - sw init for VCN block
116  *
117  * @handle: amdgpu_device pointer
118  *
119  * Load firmware and sw initialization
120  */
121 static int vcn_v2_5_sw_init(void *handle)
122 {
123 	struct amdgpu_ring *ring;
124 	int i, j, r;
125 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
126 
127 	for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
128 		if (adev->vcn.harvest_config & (1 << j))
129 			continue;
130 		/* VCN DEC TRAP */
131 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
132 				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[j].irq);
133 		if (r)
134 			return r;
135 
136 		/* VCN ENC TRAP */
137 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
138 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
139 				i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[j].irq);
140 			if (r)
141 				return r;
142 		}
143 
144 		/* VCN POISON TRAP */
145 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
146 			VCN_2_6__SRCID_UVD_POISON, &adev->vcn.inst[j].irq);
147 		if (r)
148 			return r;
149 	}
150 
151 	r = amdgpu_vcn_sw_init(adev);
152 	if (r)
153 		return r;
154 
155 	amdgpu_vcn_setup_ucode(adev);
156 
157 	r = amdgpu_vcn_resume(adev);
158 	if (r)
159 		return r;
160 
161 	for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
162 		volatile struct amdgpu_fw_shared *fw_shared;
163 
164 		if (adev->vcn.harvest_config & (1 << j))
165 			continue;
166 		adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
167 		adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
168 		adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
169 		adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
170 		adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
171 		adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
172 
173 		adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
174 		adev->vcn.inst[j].external.scratch9 = SOC15_REG_OFFSET(VCN, j, mmUVD_SCRATCH9);
175 		adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
176 		adev->vcn.inst[j].external.data0 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA0);
177 		adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
178 		adev->vcn.inst[j].external.data1 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA1);
179 		adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
180 		adev->vcn.inst[j].external.cmd = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_CMD);
181 		adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
182 		adev->vcn.inst[j].external.nop = SOC15_REG_OFFSET(VCN, j, mmUVD_NO_OP);
183 
184 		ring = &adev->vcn.inst[j].ring_dec;
185 		ring->use_doorbell = true;
186 
187 		ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
188 				(amdgpu_sriov_vf(adev) ? 2*j : 8*j);
189 		sprintf(ring->name, "vcn_dec_%d", j);
190 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq,
191 				     0, AMDGPU_RING_PRIO_DEFAULT, NULL);
192 		if (r)
193 			return r;
194 
195 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
196 			enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(i);
197 
198 			ring = &adev->vcn.inst[j].ring_enc[i];
199 			ring->use_doorbell = true;
200 
201 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
202 					(amdgpu_sriov_vf(adev) ? (1 + i + 2*j) : (2 + i + 8*j));
203 
204 			sprintf(ring->name, "vcn_enc_%d.%d", j, i);
205 			r = amdgpu_ring_init(adev, ring, 512,
206 					     &adev->vcn.inst[j].irq, 0,
207 					     hw_prio, NULL);
208 			if (r)
209 				return r;
210 		}
211 
212 		fw_shared = adev->vcn.inst[j].fw_shared.cpu_addr;
213 		fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
214 
215 		if (amdgpu_vcnfw_log)
216 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
217 	}
218 
219 	if (amdgpu_sriov_vf(adev)) {
220 		r = amdgpu_virt_alloc_mm_table(adev);
221 		if (r)
222 			return r;
223 	}
224 
225 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
226 		adev->vcn.pause_dpg_mode = vcn_v2_5_pause_dpg_mode;
227 
228 	return 0;
229 }
230 
231 /**
232  * vcn_v2_5_sw_fini - sw fini for VCN block
233  *
234  * @handle: amdgpu_device pointer
235  *
236  * VCN suspend and free up sw allocation
237  */
238 static int vcn_v2_5_sw_fini(void *handle)
239 {
240 	int i, r, idx;
241 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
242 	volatile struct amdgpu_fw_shared *fw_shared;
243 
244 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
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 		drm_dev_exit(idx);
252 	}
253 
254 
255 	if (amdgpu_sriov_vf(adev))
256 		amdgpu_virt_free_mm_table(adev);
257 
258 	r = amdgpu_vcn_suspend(adev);
259 	if (r)
260 		return r;
261 
262 	r = amdgpu_vcn_sw_fini(adev);
263 
264 	return r;
265 }
266 
267 /**
268  * vcn_v2_5_hw_init - start and test VCN block
269  *
270  * @handle: amdgpu_device pointer
271  *
272  * Initialize the hardware, boot up the VCPU and do some testing
273  */
274 static int vcn_v2_5_hw_init(void *handle)
275 {
276 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
277 	struct amdgpu_ring *ring;
278 	int i, j, r = 0;
279 
280 	if (amdgpu_sriov_vf(adev))
281 		r = vcn_v2_5_sriov_start(adev);
282 
283 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
284 		if (adev->vcn.harvest_config & (1 << j))
285 			continue;
286 
287 		if (amdgpu_sriov_vf(adev)) {
288 			adev->vcn.inst[j].ring_enc[0].sched.ready = true;
289 			adev->vcn.inst[j].ring_enc[1].sched.ready = false;
290 			adev->vcn.inst[j].ring_enc[2].sched.ready = false;
291 			adev->vcn.inst[j].ring_dec.sched.ready = true;
292 		} else {
293 
294 			ring = &adev->vcn.inst[j].ring_dec;
295 
296 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
297 						     ring->doorbell_index, j);
298 
299 			r = amdgpu_ring_test_helper(ring);
300 			if (r)
301 				goto done;
302 
303 			for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
304 				ring = &adev->vcn.inst[j].ring_enc[i];
305 				r = amdgpu_ring_test_helper(ring);
306 				if (r)
307 					goto done;
308 			}
309 		}
310 	}
311 
312 done:
313 	if (!r)
314 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
315 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
316 
317 	return r;
318 }
319 
320 /**
321  * vcn_v2_5_hw_fini - stop the hardware block
322  *
323  * @handle: amdgpu_device pointer
324  *
325  * Stop the VCN block, mark ring as not ready any more
326  */
327 static int vcn_v2_5_hw_fini(void *handle)
328 {
329 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
330 	int i;
331 
332 	cancel_delayed_work_sync(&adev->vcn.idle_work);
333 
334 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
335 		if (adev->vcn.harvest_config & (1 << i))
336 			continue;
337 
338 		if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
339 		    (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
340 		     RREG32_SOC15(VCN, i, mmUVD_STATUS)))
341 			vcn_v2_5_set_powergating_state(adev, AMD_PG_STATE_GATE);
342 	}
343 
344 	return 0;
345 }
346 
347 /**
348  * vcn_v2_5_suspend - suspend VCN block
349  *
350  * @handle: amdgpu_device pointer
351  *
352  * HW fini and suspend VCN block
353  */
354 static int vcn_v2_5_suspend(void *handle)
355 {
356 	int r;
357 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
358 
359 	r = vcn_v2_5_hw_fini(adev);
360 	if (r)
361 		return r;
362 
363 	r = amdgpu_vcn_suspend(adev);
364 
365 	return r;
366 }
367 
368 /**
369  * vcn_v2_5_resume - resume VCN block
370  *
371  * @handle: amdgpu_device pointer
372  *
373  * Resume firmware and hw init VCN block
374  */
375 static int vcn_v2_5_resume(void *handle)
376 {
377 	int r;
378 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
379 
380 	r = amdgpu_vcn_resume(adev);
381 	if (r)
382 		return r;
383 
384 	r = vcn_v2_5_hw_init(adev);
385 
386 	return r;
387 }
388 
389 /**
390  * vcn_v2_5_mc_resume - memory controller programming
391  *
392  * @adev: amdgpu_device pointer
393  *
394  * Let the VCN memory controller know it's offsets
395  */
396 static void vcn_v2_5_mc_resume(struct amdgpu_device *adev)
397 {
398 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
399 	uint32_t offset;
400 	int i;
401 
402 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
403 		if (adev->vcn.harvest_config & (1 << i))
404 			continue;
405 		/* cache window 0: fw */
406 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
407 			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
408 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo));
409 			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
410 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi));
411 			WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0, 0);
412 			offset = 0;
413 		} else {
414 			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
415 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
416 			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
417 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
418 			offset = size;
419 			WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0,
420 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
421 		}
422 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE0, size);
423 
424 		/* cache window 1: stack */
425 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
426 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
427 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
428 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
429 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET1, 0);
430 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
431 
432 		/* cache window 2: context */
433 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
434 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
435 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
436 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
437 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET2, 0);
438 		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
439 
440 		/* non-cache window */
441 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
442 			lower_32_bits(adev->vcn.inst[i].fw_shared.gpu_addr));
443 		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
444 			upper_32_bits(adev->vcn.inst[i].fw_shared.gpu_addr));
445 		WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
446 		WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_SIZE0,
447 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
448 	}
449 }
450 
451 static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
452 {
453 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
454 	uint32_t offset;
455 
456 	/* cache window 0: fw */
457 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
458 		if (!indirect) {
459 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
460 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
461 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
462 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
463 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
464 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
465 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
466 				VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
467 		} else {
468 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
469 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
470 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
471 				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
472 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
473 				VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
474 		}
475 		offset = 0;
476 	} else {
477 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
478 			VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
479 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
480 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
481 			VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
482 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
483 		offset = size;
484 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
485 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET0),
486 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
487 	}
488 
489 	if (!indirect)
490 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
491 			VCN, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
492 	else
493 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
494 			VCN, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
495 
496 	/* cache window 1: stack */
497 	if (!indirect) {
498 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
499 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
500 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
501 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
502 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
503 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
504 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
505 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
506 	} else {
507 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
508 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
509 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
510 			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
511 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
512 			VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
513 	}
514 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
515 		VCN, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
516 
517 	/* cache window 2: context */
518 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
519 		VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
520 		lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
521 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
522 		VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
523 		upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
524 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
525 		VCN, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
526 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
527 		VCN, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
528 
529 	/* non-cache window */
530 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
531 		VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
532 		lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
533 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
534 		VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
535 		upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
536 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
537 		VCN, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
538 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
539 		VCN, 0, mmUVD_VCPU_NONCACHE_SIZE0),
540 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
541 
542 	/* VCN global tiling registers */
543 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
544 		VCN, 0, mmUVD_GFX8_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
545 }
546 
547 /**
548  * vcn_v2_5_disable_clock_gating - disable VCN clock gating
549  *
550  * @adev: amdgpu_device pointer
551  *
552  * Disable clock gating for VCN block
553  */
554 static void vcn_v2_5_disable_clock_gating(struct amdgpu_device *adev)
555 {
556 	uint32_t data;
557 	int i;
558 
559 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
560 		if (adev->vcn.harvest_config & (1 << i))
561 			continue;
562 		/* UVD disable CGC */
563 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
564 		if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
565 			data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
566 		else
567 			data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
568 		data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
569 		data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
570 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
571 
572 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_GATE);
573 		data &= ~(UVD_CGC_GATE__SYS_MASK
574 			| UVD_CGC_GATE__UDEC_MASK
575 			| UVD_CGC_GATE__MPEG2_MASK
576 			| UVD_CGC_GATE__REGS_MASK
577 			| UVD_CGC_GATE__RBC_MASK
578 			| UVD_CGC_GATE__LMI_MC_MASK
579 			| UVD_CGC_GATE__LMI_UMC_MASK
580 			| UVD_CGC_GATE__IDCT_MASK
581 			| UVD_CGC_GATE__MPRD_MASK
582 			| UVD_CGC_GATE__MPC_MASK
583 			| UVD_CGC_GATE__LBSI_MASK
584 			| UVD_CGC_GATE__LRBBM_MASK
585 			| UVD_CGC_GATE__UDEC_RE_MASK
586 			| UVD_CGC_GATE__UDEC_CM_MASK
587 			| UVD_CGC_GATE__UDEC_IT_MASK
588 			| UVD_CGC_GATE__UDEC_DB_MASK
589 			| UVD_CGC_GATE__UDEC_MP_MASK
590 			| UVD_CGC_GATE__WCB_MASK
591 			| UVD_CGC_GATE__VCPU_MASK
592 			| UVD_CGC_GATE__MMSCH_MASK);
593 
594 		WREG32_SOC15(VCN, i, mmUVD_CGC_GATE, data);
595 
596 		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
597 
598 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
599 		data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
600 			| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
601 			| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
602 			| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
603 			| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
604 			| UVD_CGC_CTRL__SYS_MODE_MASK
605 			| UVD_CGC_CTRL__UDEC_MODE_MASK
606 			| UVD_CGC_CTRL__MPEG2_MODE_MASK
607 			| UVD_CGC_CTRL__REGS_MODE_MASK
608 			| UVD_CGC_CTRL__RBC_MODE_MASK
609 			| UVD_CGC_CTRL__LMI_MC_MODE_MASK
610 			| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
611 			| UVD_CGC_CTRL__IDCT_MODE_MASK
612 			| UVD_CGC_CTRL__MPRD_MODE_MASK
613 			| UVD_CGC_CTRL__MPC_MODE_MASK
614 			| UVD_CGC_CTRL__LBSI_MODE_MASK
615 			| UVD_CGC_CTRL__LRBBM_MODE_MASK
616 			| UVD_CGC_CTRL__WCB_MODE_MASK
617 			| UVD_CGC_CTRL__VCPU_MODE_MASK
618 			| UVD_CGC_CTRL__MMSCH_MODE_MASK);
619 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
620 
621 		/* turn on */
622 		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE);
623 		data |= (UVD_SUVD_CGC_GATE__SRE_MASK
624 			| UVD_SUVD_CGC_GATE__SIT_MASK
625 			| UVD_SUVD_CGC_GATE__SMP_MASK
626 			| UVD_SUVD_CGC_GATE__SCM_MASK
627 			| UVD_SUVD_CGC_GATE__SDB_MASK
628 			| UVD_SUVD_CGC_GATE__SRE_H264_MASK
629 			| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
630 			| UVD_SUVD_CGC_GATE__SIT_H264_MASK
631 			| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
632 			| UVD_SUVD_CGC_GATE__SCM_H264_MASK
633 			| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
634 			| UVD_SUVD_CGC_GATE__SDB_H264_MASK
635 			| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
636 			| UVD_SUVD_CGC_GATE__SCLR_MASK
637 			| UVD_SUVD_CGC_GATE__UVD_SC_MASK
638 			| UVD_SUVD_CGC_GATE__ENT_MASK
639 			| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
640 			| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
641 			| UVD_SUVD_CGC_GATE__SITE_MASK
642 			| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
643 			| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
644 			| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
645 			| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
646 			| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
647 		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE, data);
648 
649 		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
650 		data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
651 			| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
652 			| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
653 			| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
654 			| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
655 			| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
656 			| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
657 			| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
658 			| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
659 			| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
660 		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
661 	}
662 }
663 
664 static void vcn_v2_5_clock_gating_dpg_mode(struct amdgpu_device *adev,
665 		uint8_t sram_sel, int inst_idx, uint8_t indirect)
666 {
667 	uint32_t reg_data = 0;
668 
669 	/* enable sw clock gating control */
670 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
671 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
672 	else
673 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
674 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
675 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
676 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
677 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
678 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
679 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
680 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
681 		 UVD_CGC_CTRL__SYS_MODE_MASK |
682 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
683 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
684 		 UVD_CGC_CTRL__REGS_MODE_MASK |
685 		 UVD_CGC_CTRL__RBC_MODE_MASK |
686 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
687 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
688 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
689 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
690 		 UVD_CGC_CTRL__MPC_MODE_MASK |
691 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
692 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
693 		 UVD_CGC_CTRL__WCB_MODE_MASK |
694 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
695 		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
696 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
697 		VCN, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
698 
699 	/* turn off clock gating */
700 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
701 		VCN, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
702 
703 	/* turn on SUVD clock gating */
704 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
705 		VCN, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
706 
707 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
708 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
709 		VCN, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
710 }
711 
712 /**
713  * vcn_v2_5_enable_clock_gating - enable VCN clock gating
714  *
715  * @adev: amdgpu_device pointer
716  *
717  * Enable clock gating for VCN block
718  */
719 static void vcn_v2_5_enable_clock_gating(struct amdgpu_device *adev)
720 {
721 	uint32_t data = 0;
722 	int i;
723 
724 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
725 		if (adev->vcn.harvest_config & (1 << i))
726 			continue;
727 		/* enable UVD CGC */
728 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
729 		if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
730 			data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
731 		else
732 			data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
733 		data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
734 		data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
735 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
736 
737 		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
738 		data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
739 			| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
740 			| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
741 			| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
742 			| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
743 			| UVD_CGC_CTRL__SYS_MODE_MASK
744 			| UVD_CGC_CTRL__UDEC_MODE_MASK
745 			| UVD_CGC_CTRL__MPEG2_MODE_MASK
746 			| UVD_CGC_CTRL__REGS_MODE_MASK
747 			| UVD_CGC_CTRL__RBC_MODE_MASK
748 			| UVD_CGC_CTRL__LMI_MC_MODE_MASK
749 			| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
750 			| UVD_CGC_CTRL__IDCT_MODE_MASK
751 			| UVD_CGC_CTRL__MPRD_MODE_MASK
752 			| UVD_CGC_CTRL__MPC_MODE_MASK
753 			| UVD_CGC_CTRL__LBSI_MODE_MASK
754 			| UVD_CGC_CTRL__LRBBM_MODE_MASK
755 			| UVD_CGC_CTRL__WCB_MODE_MASK
756 			| UVD_CGC_CTRL__VCPU_MODE_MASK);
757 		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
758 
759 		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
760 		data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
761 			| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
762 			| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
763 			| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
764 			| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
765 			| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
766 			| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
767 			| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
768 			| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
769 			| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
770 		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
771 	}
772 }
773 
774 static void vcn_v2_6_enable_ras(struct amdgpu_device *adev, int inst_idx,
775 				bool indirect)
776 {
777 	uint32_t tmp;
778 
779 	if (adev->ip_versions[UVD_HWIP][0] != IP_VERSION(2, 6, 0))
780 		return;
781 
782 	tmp = VCN_RAS_CNTL__VCPU_VCODEC_REARM_MASK |
783 	      VCN_RAS_CNTL__VCPU_VCODEC_IH_EN_MASK |
784 	      VCN_RAS_CNTL__VCPU_VCODEC_PMI_EN_MASK |
785 	      VCN_RAS_CNTL__VCPU_VCODEC_STALL_EN_MASK;
786 	WREG32_SOC15_DPG_MODE(inst_idx,
787 			      SOC15_DPG_MODE_OFFSET(VCN, 0, mmVCN_RAS_CNTL),
788 			      tmp, 0, indirect);
789 
790 	tmp = UVD_VCPU_INT_EN__RASCNTL_VCPU_VCODEC_EN_MASK;
791 	WREG32_SOC15_DPG_MODE(inst_idx,
792 			      SOC15_DPG_MODE_OFFSET(VCN, 0, mmUVD_VCPU_INT_EN),
793 			      tmp, 0, indirect);
794 
795 	tmp = UVD_SYS_INT_EN__RASCNTL_VCPU_VCODEC_EN_MASK;
796 	WREG32_SOC15_DPG_MODE(inst_idx,
797 			      SOC15_DPG_MODE_OFFSET(VCN, 0, mmUVD_SYS_INT_EN),
798 			      tmp, 0, indirect);
799 }
800 
801 static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
802 {
803 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
804 	struct amdgpu_ring *ring;
805 	uint32_t rb_bufsz, tmp;
806 
807 	/* disable register anti-hang mechanism */
808 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
809 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
810 	/* enable dynamic power gating mode */
811 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
812 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
813 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
814 	WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
815 
816 	if (indirect)
817 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
818 
819 	/* enable clock gating */
820 	vcn_v2_5_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
821 
822 	/* enable VCPU clock */
823 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
824 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
825 	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
826 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
827 		VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
828 
829 	/* disable master interupt */
830 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
831 		VCN, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
832 
833 	/* setup mmUVD_LMI_CTRL */
834 	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
835 		UVD_LMI_CTRL__REQ_MODE_MASK |
836 		UVD_LMI_CTRL__CRC_RESET_MASK |
837 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
838 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
839 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
840 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
841 		0x00100000L);
842 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
843 		VCN, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
844 
845 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
846 		VCN, 0, mmUVD_MPC_CNTL),
847 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
848 
849 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
850 		VCN, 0, mmUVD_MPC_SET_MUXA0),
851 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
852 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
853 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
854 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
855 
856 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
857 		VCN, 0, mmUVD_MPC_SET_MUXB0),
858 		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
859 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
860 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
861 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
862 
863 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
864 		VCN, 0, mmUVD_MPC_SET_MUX),
865 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
866 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
867 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
868 
869 	vcn_v2_5_mc_resume_dpg_mode(adev, inst_idx, indirect);
870 
871 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
872 		VCN, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
873 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
874 		VCN, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
875 
876 	/* enable LMI MC and UMC channels */
877 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
878 		VCN, 0, mmUVD_LMI_CTRL2), 0, 0, indirect);
879 
880 	vcn_v2_6_enable_ras(adev, inst_idx, indirect);
881 
882 	/* unblock VCPU register access */
883 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
884 		VCN, 0, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
885 
886 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
887 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
888 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
889 		VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
890 
891 	/* enable master interrupt */
892 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
893 		VCN, 0, mmUVD_MASTINT_EN),
894 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
895 
896 	if (indirect)
897 		psp_update_vcn_sram(adev, inst_idx, adev->vcn.inst[inst_idx].dpg_sram_gpu_addr,
898 				    (uint32_t)((uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_curr_addr -
899 					       (uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr));
900 
901 	ring = &adev->vcn.inst[inst_idx].ring_dec;
902 	/* force RBC into idle state */
903 	rb_bufsz = order_base_2(ring->ring_size);
904 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
905 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
906 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
907 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
908 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
909 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
910 
911 	/* Stall DPG before WPTR/RPTR reset */
912 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
913 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
914 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
915 	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
916 
917 	/* set the write pointer delay */
918 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
919 
920 	/* set the wb address */
921 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
922 		(upper_32_bits(ring->gpu_addr) >> 2));
923 
924 	/* program the RB_BASE for ring buffer */
925 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
926 		lower_32_bits(ring->gpu_addr));
927 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
928 		upper_32_bits(ring->gpu_addr));
929 
930 	/* Initialize the ring buffer's read and write pointers */
931 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
932 
933 	WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
934 
935 	ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
936 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
937 		lower_32_bits(ring->wptr));
938 
939 	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
940 	/* Unstall DPG */
941 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
942 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
943 
944 	return 0;
945 }
946 
947 static int vcn_v2_5_start(struct amdgpu_device *adev)
948 {
949 	struct amdgpu_ring *ring;
950 	uint32_t rb_bufsz, tmp;
951 	int i, j, k, r;
952 
953 	if (adev->pm.dpm_enabled)
954 		amdgpu_dpm_enable_uvd(adev, true);
955 
956 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
957 		if (adev->vcn.harvest_config & (1 << i))
958 			continue;
959 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
960 			r = vcn_v2_5_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
961 			continue;
962 		}
963 
964 		/* disable register anti-hang mechanism */
965 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS), 0,
966 			~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
967 
968 		/* set uvd status busy */
969 		tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
970 		WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
971 	}
972 
973 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
974 		return 0;
975 
976 	/*SW clock gating */
977 	vcn_v2_5_disable_clock_gating(adev);
978 
979 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
980 		if (adev->vcn.harvest_config & (1 << i))
981 			continue;
982 		/* enable VCPU clock */
983 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
984 			UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
985 
986 		/* disable master interrupt */
987 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
988 			~UVD_MASTINT_EN__VCPU_EN_MASK);
989 
990 		/* setup mmUVD_LMI_CTRL */
991 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
992 		tmp &= ~0xff;
993 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp | 0x8|
994 			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
995 			UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
996 			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
997 			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
998 
999 		/* setup mmUVD_MPC_CNTL */
1000 		tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
1001 		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1002 		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1003 		WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
1004 
1005 		/* setup UVD_MPC_SET_MUXA0 */
1006 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
1007 			((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1008 			(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1009 			(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1010 			(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1011 
1012 		/* setup UVD_MPC_SET_MUXB0 */
1013 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
1014 			((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1015 			(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1016 			(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1017 			(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1018 
1019 		/* setup mmUVD_MPC_SET_MUX */
1020 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
1021 			((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1022 			(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1023 			(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1024 	}
1025 
1026 	vcn_v2_5_mc_resume(adev);
1027 
1028 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1029 		volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1030 		if (adev->vcn.harvest_config & (1 << i))
1031 			continue;
1032 		/* VCN global tiling registers */
1033 		WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
1034 			adev->gfx.config.gb_addr_config);
1035 		WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
1036 			adev->gfx.config.gb_addr_config);
1037 
1038 		/* enable LMI MC and UMC channels */
1039 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
1040 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1041 
1042 		/* unblock VCPU register access */
1043 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
1044 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1045 
1046 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1047 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1048 
1049 		for (k = 0; k < 10; ++k) {
1050 			uint32_t status;
1051 
1052 			for (j = 0; j < 100; ++j) {
1053 				status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
1054 				if (status & 2)
1055 					break;
1056 				if (amdgpu_emu_mode == 1)
1057 					msleep(500);
1058 				else
1059 					mdelay(10);
1060 			}
1061 			r = 0;
1062 			if (status & 2)
1063 				break;
1064 
1065 			DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
1066 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1067 				UVD_VCPU_CNTL__BLK_RST_MASK,
1068 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1069 			mdelay(10);
1070 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1071 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1072 
1073 			mdelay(10);
1074 			r = -1;
1075 		}
1076 
1077 		if (r) {
1078 			DRM_ERROR("VCN decode not responding, giving up!!!\n");
1079 			return r;
1080 		}
1081 
1082 		/* enable master interrupt */
1083 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
1084 			UVD_MASTINT_EN__VCPU_EN_MASK,
1085 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1086 
1087 		/* clear the busy bit of VCN_STATUS */
1088 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
1089 			~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1090 
1091 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
1092 
1093 		ring = &adev->vcn.inst[i].ring_dec;
1094 		/* force RBC into idle state */
1095 		rb_bufsz = order_base_2(ring->ring_size);
1096 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1097 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1098 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1099 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1100 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1101 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
1102 
1103 		fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
1104 		/* program the RB_BASE for ring buffer */
1105 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1106 			lower_32_bits(ring->gpu_addr));
1107 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1108 			upper_32_bits(ring->gpu_addr));
1109 
1110 		/* Initialize the ring buffer's read and write pointers */
1111 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
1112 
1113 		ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
1114 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
1115 				lower_32_bits(ring->wptr));
1116 		fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
1117 
1118 		fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1119 		ring = &adev->vcn.inst[i].ring_enc[0];
1120 		WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1121 		WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1122 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
1123 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1124 		WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
1125 		fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1126 
1127 		fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1128 		ring = &adev->vcn.inst[i].ring_enc[1];
1129 		WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1130 		WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1131 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1132 		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1133 		WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
1134 		fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1135 	}
1136 
1137 	return 0;
1138 }
1139 
1140 static int vcn_v2_5_mmsch_start(struct amdgpu_device *adev,
1141 				struct amdgpu_mm_table *table)
1142 {
1143 	uint32_t data = 0, loop = 0, size = 0;
1144 	uint64_t addr = table->gpu_addr;
1145 	struct mmsch_v1_1_init_header *header = NULL;
1146 
1147 	header = (struct mmsch_v1_1_init_header *)table->cpu_addr;
1148 	size = header->total_size;
1149 
1150 	/*
1151 	 * 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of
1152 	 *  memory descriptor location
1153 	 */
1154 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
1155 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
1156 
1157 	/* 2, update vmid of descriptor */
1158 	data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
1159 	data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1160 	/* use domain0 for MM scheduler */
1161 	data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1162 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, data);
1163 
1164 	/* 3, notify mmsch about the size of this descriptor */
1165 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
1166 
1167 	/* 4, set resp to zero */
1168 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1169 
1170 	/*
1171 	 * 5, kick off the initialization and wait until
1172 	 * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
1173 	 */
1174 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
1175 
1176 	data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1177 	loop = 10;
1178 	while ((data & 0x10000002) != 0x10000002) {
1179 		udelay(100);
1180 		data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1181 		loop--;
1182 		if (!loop)
1183 			break;
1184 	}
1185 
1186 	if (!loop) {
1187 		dev_err(adev->dev,
1188 			"failed to init MMSCH, mmMMSCH_VF_MAILBOX_RESP = %x\n",
1189 			data);
1190 		return -EBUSY;
1191 	}
1192 
1193 	return 0;
1194 }
1195 
1196 static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
1197 {
1198 	struct amdgpu_ring *ring;
1199 	uint32_t offset, size, tmp, i, rb_bufsz;
1200 	uint32_t table_size = 0;
1201 	struct mmsch_v1_0_cmd_direct_write direct_wt = { { 0 } };
1202 	struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { { 0 } };
1203 	struct mmsch_v1_0_cmd_end end = { { 0 } };
1204 	uint32_t *init_table = adev->virt.mm_table.cpu_addr;
1205 	struct mmsch_v1_1_init_header *header = (struct mmsch_v1_1_init_header *)init_table;
1206 
1207 	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
1208 	direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1209 	end.cmd_header.command_type = MMSCH_COMMAND__END;
1210 
1211 	header->version = MMSCH_VERSION;
1212 	header->total_size = sizeof(struct mmsch_v1_1_init_header) >> 2;
1213 	init_table += header->total_size;
1214 
1215 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1216 		header->eng[i].table_offset = header->total_size;
1217 		header->eng[i].init_status = 0;
1218 		header->eng[i].table_size = 0;
1219 
1220 		table_size = 0;
1221 
1222 		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(
1223 			SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS),
1224 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1225 
1226 		size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
1227 		/* mc resume*/
1228 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1229 			MMSCH_V1_0_INSERT_DIRECT_WT(
1230 				SOC15_REG_OFFSET(VCN, i,
1231 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1232 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
1233 			MMSCH_V1_0_INSERT_DIRECT_WT(
1234 				SOC15_REG_OFFSET(VCN, i,
1235 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1236 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
1237 			offset = 0;
1238 			MMSCH_V1_0_INSERT_DIRECT_WT(
1239 				SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0), 0);
1240 		} else {
1241 			MMSCH_V1_0_INSERT_DIRECT_WT(
1242 				SOC15_REG_OFFSET(VCN, i,
1243 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1244 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1245 			MMSCH_V1_0_INSERT_DIRECT_WT(
1246 				SOC15_REG_OFFSET(VCN, i,
1247 					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1248 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1249 			offset = size;
1250 			MMSCH_V1_0_INSERT_DIRECT_WT(
1251 				SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0),
1252 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1253 		}
1254 
1255 		MMSCH_V1_0_INSERT_DIRECT_WT(
1256 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE0),
1257 			size);
1258 		MMSCH_V1_0_INSERT_DIRECT_WT(
1259 			SOC15_REG_OFFSET(VCN, i,
1260 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1261 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
1262 		MMSCH_V1_0_INSERT_DIRECT_WT(
1263 			SOC15_REG_OFFSET(VCN, i,
1264 				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1265 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
1266 		MMSCH_V1_0_INSERT_DIRECT_WT(
1267 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET1),
1268 			0);
1269 		MMSCH_V1_0_INSERT_DIRECT_WT(
1270 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE1),
1271 			AMDGPU_VCN_STACK_SIZE);
1272 		MMSCH_V1_0_INSERT_DIRECT_WT(
1273 			SOC15_REG_OFFSET(VCN, i,
1274 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1275 			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset +
1276 				AMDGPU_VCN_STACK_SIZE));
1277 		MMSCH_V1_0_INSERT_DIRECT_WT(
1278 			SOC15_REG_OFFSET(VCN, i,
1279 				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1280 			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset +
1281 				AMDGPU_VCN_STACK_SIZE));
1282 		MMSCH_V1_0_INSERT_DIRECT_WT(
1283 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET2),
1284 			0);
1285 		MMSCH_V1_0_INSERT_DIRECT_WT(
1286 			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE2),
1287 			AMDGPU_VCN_CONTEXT_SIZE);
1288 
1289 		ring = &adev->vcn.inst[i].ring_enc[0];
1290 		ring->wptr = 0;
1291 
1292 		MMSCH_V1_0_INSERT_DIRECT_WT(
1293 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_LO),
1294 			lower_32_bits(ring->gpu_addr));
1295 		MMSCH_V1_0_INSERT_DIRECT_WT(
1296 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_HI),
1297 			upper_32_bits(ring->gpu_addr));
1298 		MMSCH_V1_0_INSERT_DIRECT_WT(
1299 			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_SIZE),
1300 			ring->ring_size / 4);
1301 
1302 		ring = &adev->vcn.inst[i].ring_dec;
1303 		ring->wptr = 0;
1304 		MMSCH_V1_0_INSERT_DIRECT_WT(
1305 			SOC15_REG_OFFSET(VCN, i,
1306 				mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1307 			lower_32_bits(ring->gpu_addr));
1308 		MMSCH_V1_0_INSERT_DIRECT_WT(
1309 			SOC15_REG_OFFSET(VCN, i,
1310 				mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1311 			upper_32_bits(ring->gpu_addr));
1312 
1313 		/* force RBC into idle state */
1314 		rb_bufsz = order_base_2(ring->ring_size);
1315 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1316 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1317 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1318 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1319 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1320 		MMSCH_V1_0_INSERT_DIRECT_WT(
1321 			SOC15_REG_OFFSET(VCN, i, mmUVD_RBC_RB_CNTL), tmp);
1322 
1323 		/* add end packet */
1324 		memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end));
1325 		table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4;
1326 		init_table += sizeof(struct mmsch_v1_0_cmd_end) / 4;
1327 
1328 		/* refine header */
1329 		header->eng[i].table_size = table_size;
1330 		header->total_size += table_size;
1331 	}
1332 
1333 	return vcn_v2_5_mmsch_start(adev, &adev->virt.mm_table);
1334 }
1335 
1336 static int vcn_v2_5_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
1337 {
1338 	uint32_t tmp;
1339 
1340 	/* Wait for power status to be 1 */
1341 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1342 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1343 
1344 	/* wait for read ptr to be equal to write ptr */
1345 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
1346 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1347 
1348 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
1349 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1350 
1351 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1352 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1353 
1354 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1355 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1356 
1357 	/* disable dynamic power gating mode */
1358 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
1359 			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1360 
1361 	return 0;
1362 }
1363 
1364 static int vcn_v2_5_stop(struct amdgpu_device *adev)
1365 {
1366 	uint32_t tmp;
1367 	int i, r = 0;
1368 
1369 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1370 		if (adev->vcn.harvest_config & (1 << i))
1371 			continue;
1372 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1373 			r = vcn_v2_5_stop_dpg_mode(adev, i);
1374 			continue;
1375 		}
1376 
1377 		/* wait for vcn idle */
1378 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1379 		if (r)
1380 			return r;
1381 
1382 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1383 			UVD_LMI_STATUS__READ_CLEAN_MASK |
1384 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1385 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1386 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1387 		if (r)
1388 			return r;
1389 
1390 		/* block LMI UMC channel */
1391 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
1392 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1393 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
1394 
1395 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1396 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1397 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1398 		if (r)
1399 			return r;
1400 
1401 		/* block VCPU register access */
1402 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
1403 			UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1404 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1405 
1406 		/* reset VCPU */
1407 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1408 			UVD_VCPU_CNTL__BLK_RST_MASK,
1409 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1410 
1411 		/* disable VCPU clock */
1412 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1413 			~(UVD_VCPU_CNTL__CLK_EN_MASK));
1414 
1415 		/* clear status */
1416 		WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
1417 
1418 		vcn_v2_5_enable_clock_gating(adev);
1419 
1420 		/* enable register anti-hang mechanism */
1421 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS),
1422 			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK,
1423 			~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1424 	}
1425 
1426 	if (adev->pm.dpm_enabled)
1427 		amdgpu_dpm_enable_uvd(adev, false);
1428 
1429 	return 0;
1430 }
1431 
1432 static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
1433 				int inst_idx, struct dpg_pause_state *new_state)
1434 {
1435 	struct amdgpu_ring *ring;
1436 	uint32_t reg_data = 0;
1437 	int ret_code = 0;
1438 
1439 	/* pause/unpause if state is changed */
1440 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1441 		DRM_DEBUG("dpg pause state changed %d -> %d",
1442 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1443 		reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
1444 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1445 
1446 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1447 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1448 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1449 
1450 			if (!ret_code) {
1451 				volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
1452 
1453 				/* pause DPG */
1454 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1455 				WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1456 
1457 				/* wait for ACK */
1458 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
1459 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1460 					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1461 
1462 				/* Stall DPG before WPTR/RPTR reset */
1463 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1464 					   UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1465 					   ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1466 
1467 				/* Restore */
1468 				fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
1469 				ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1470 				ring->wptr = 0;
1471 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
1472 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1473 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
1474 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1475 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1476 				fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
1477 
1478 				fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
1479 				ring = &adev->vcn.inst[inst_idx].ring_enc[1];
1480 				ring->wptr = 0;
1481 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1482 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1483 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
1484 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1485 				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1486 				fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
1487 
1488 				/* Unstall DPG */
1489 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1490 					   0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1491 
1492 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
1493 					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1494 			}
1495 		} else {
1496 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1497 			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1498 			SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1499 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1500 		}
1501 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1502 	}
1503 
1504 	return 0;
1505 }
1506 
1507 /**
1508  * vcn_v2_5_dec_ring_get_rptr - get read pointer
1509  *
1510  * @ring: amdgpu_ring pointer
1511  *
1512  * Returns the current hardware read pointer
1513  */
1514 static uint64_t vcn_v2_5_dec_ring_get_rptr(struct amdgpu_ring *ring)
1515 {
1516 	struct amdgpu_device *adev = ring->adev;
1517 
1518 	return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
1519 }
1520 
1521 /**
1522  * vcn_v2_5_dec_ring_get_wptr - get write pointer
1523  *
1524  * @ring: amdgpu_ring pointer
1525  *
1526  * Returns the current hardware write pointer
1527  */
1528 static uint64_t vcn_v2_5_dec_ring_get_wptr(struct amdgpu_ring *ring)
1529 {
1530 	struct amdgpu_device *adev = ring->adev;
1531 
1532 	if (ring->use_doorbell)
1533 		return *ring->wptr_cpu_addr;
1534 	else
1535 		return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
1536 }
1537 
1538 /**
1539  * vcn_v2_5_dec_ring_set_wptr - set write pointer
1540  *
1541  * @ring: amdgpu_ring pointer
1542  *
1543  * Commits the write pointer to the hardware
1544  */
1545 static void vcn_v2_5_dec_ring_set_wptr(struct amdgpu_ring *ring)
1546 {
1547 	struct amdgpu_device *adev = ring->adev;
1548 
1549 	if (ring->use_doorbell) {
1550 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1551 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1552 	} else {
1553 		WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1554 	}
1555 }
1556 
1557 static const struct amdgpu_ring_funcs vcn_v2_5_dec_ring_vm_funcs = {
1558 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1559 	.align_mask = 0xf,
1560 	.secure_submission_supported = true,
1561 	.vmhub = AMDGPU_MMHUB_1,
1562 	.get_rptr = vcn_v2_5_dec_ring_get_rptr,
1563 	.get_wptr = vcn_v2_5_dec_ring_get_wptr,
1564 	.set_wptr = vcn_v2_5_dec_ring_set_wptr,
1565 	.emit_frame_size =
1566 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1567 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1568 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
1569 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
1570 		6,
1571 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
1572 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
1573 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
1574 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
1575 	.test_ring = vcn_v2_0_dec_ring_test_ring,
1576 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
1577 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
1578 	.insert_start = vcn_v2_0_dec_ring_insert_start,
1579 	.insert_end = vcn_v2_0_dec_ring_insert_end,
1580 	.pad_ib = amdgpu_ring_generic_pad_ib,
1581 	.begin_use = amdgpu_vcn_ring_begin_use,
1582 	.end_use = amdgpu_vcn_ring_end_use,
1583 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
1584 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
1585 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1586 };
1587 
1588 static const struct amdgpu_ring_funcs vcn_v2_6_dec_ring_vm_funcs = {
1589 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1590 	.align_mask = 0xf,
1591 	.secure_submission_supported = true,
1592 	.vmhub = AMDGPU_MMHUB_0,
1593 	.get_rptr = vcn_v2_5_dec_ring_get_rptr,
1594 	.get_wptr = vcn_v2_5_dec_ring_get_wptr,
1595 	.set_wptr = vcn_v2_5_dec_ring_set_wptr,
1596 	.emit_frame_size =
1597 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1598 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1599 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
1600 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
1601 		6,
1602 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
1603 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
1604 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
1605 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
1606 	.test_ring = vcn_v2_0_dec_ring_test_ring,
1607 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
1608 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
1609 	.insert_start = vcn_v2_0_dec_ring_insert_start,
1610 	.insert_end = vcn_v2_0_dec_ring_insert_end,
1611 	.pad_ib = amdgpu_ring_generic_pad_ib,
1612 	.begin_use = amdgpu_vcn_ring_begin_use,
1613 	.end_use = amdgpu_vcn_ring_end_use,
1614 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
1615 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
1616 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1617 };
1618 
1619 /**
1620  * vcn_v2_5_enc_ring_get_rptr - get enc read pointer
1621  *
1622  * @ring: amdgpu_ring pointer
1623  *
1624  * Returns the current hardware enc read pointer
1625  */
1626 static uint64_t vcn_v2_5_enc_ring_get_rptr(struct amdgpu_ring *ring)
1627 {
1628 	struct amdgpu_device *adev = ring->adev;
1629 
1630 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
1631 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
1632 	else
1633 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
1634 }
1635 
1636 /**
1637  * vcn_v2_5_enc_ring_get_wptr - get enc write pointer
1638  *
1639  * @ring: amdgpu_ring pointer
1640  *
1641  * Returns the current hardware enc write pointer
1642  */
1643 static uint64_t vcn_v2_5_enc_ring_get_wptr(struct amdgpu_ring *ring)
1644 {
1645 	struct amdgpu_device *adev = ring->adev;
1646 
1647 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1648 		if (ring->use_doorbell)
1649 			return *ring->wptr_cpu_addr;
1650 		else
1651 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
1652 	} else {
1653 		if (ring->use_doorbell)
1654 			return *ring->wptr_cpu_addr;
1655 		else
1656 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
1657 	}
1658 }
1659 
1660 /**
1661  * vcn_v2_5_enc_ring_set_wptr - set enc write pointer
1662  *
1663  * @ring: amdgpu_ring pointer
1664  *
1665  * Commits the enc write pointer to the hardware
1666  */
1667 static void vcn_v2_5_enc_ring_set_wptr(struct amdgpu_ring *ring)
1668 {
1669 	struct amdgpu_device *adev = ring->adev;
1670 
1671 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
1672 		if (ring->use_doorbell) {
1673 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1674 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1675 		} else {
1676 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1677 		}
1678 	} else {
1679 		if (ring->use_doorbell) {
1680 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1681 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1682 		} else {
1683 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1684 		}
1685 	}
1686 }
1687 
1688 static const struct amdgpu_ring_funcs vcn_v2_5_enc_ring_vm_funcs = {
1689 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1690 	.align_mask = 0x3f,
1691 	.nop = VCN_ENC_CMD_NO_OP,
1692 	.vmhub = AMDGPU_MMHUB_1,
1693 	.get_rptr = vcn_v2_5_enc_ring_get_rptr,
1694 	.get_wptr = vcn_v2_5_enc_ring_get_wptr,
1695 	.set_wptr = vcn_v2_5_enc_ring_set_wptr,
1696 	.emit_frame_size =
1697 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1698 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1699 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1700 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1701 		1, /* vcn_v2_0_enc_ring_insert_end */
1702 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1703 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1704 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1705 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1706 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1707 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
1708 	.insert_nop = amdgpu_ring_insert_nop,
1709 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1710 	.pad_ib = amdgpu_ring_generic_pad_ib,
1711 	.begin_use = amdgpu_vcn_ring_begin_use,
1712 	.end_use = amdgpu_vcn_ring_end_use,
1713 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1714 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1715 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1716 };
1717 
1718 static const struct amdgpu_ring_funcs vcn_v2_6_enc_ring_vm_funcs = {
1719         .type = AMDGPU_RING_TYPE_VCN_ENC,
1720         .align_mask = 0x3f,
1721         .nop = VCN_ENC_CMD_NO_OP,
1722         .vmhub = AMDGPU_MMHUB_0,
1723         .get_rptr = vcn_v2_5_enc_ring_get_rptr,
1724         .get_wptr = vcn_v2_5_enc_ring_get_wptr,
1725         .set_wptr = vcn_v2_5_enc_ring_set_wptr,
1726         .emit_frame_size =
1727                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1728                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1729                 4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1730                 5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1731                 1, /* vcn_v2_0_enc_ring_insert_end */
1732         .emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1733         .emit_ib = vcn_v2_0_enc_ring_emit_ib,
1734         .emit_fence = vcn_v2_0_enc_ring_emit_fence,
1735         .emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1736         .test_ring = amdgpu_vcn_enc_ring_test_ring,
1737         .test_ib = amdgpu_vcn_enc_ring_test_ib,
1738         .insert_nop = amdgpu_ring_insert_nop,
1739         .insert_end = vcn_v2_0_enc_ring_insert_end,
1740         .pad_ib = amdgpu_ring_generic_pad_ib,
1741         .begin_use = amdgpu_vcn_ring_begin_use,
1742         .end_use = amdgpu_vcn_ring_end_use,
1743         .emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1744         .emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1745         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1746 };
1747 
1748 static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev)
1749 {
1750 	int i;
1751 
1752 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1753 		if (adev->vcn.harvest_config & (1 << i))
1754 			continue;
1755 		if (adev->ip_versions[UVD_HWIP][0] == IP_VERSION(2, 5, 0))
1756 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v2_5_dec_ring_vm_funcs;
1757 		else /* CHIP_ALDEBARAN */
1758 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v2_6_dec_ring_vm_funcs;
1759 		adev->vcn.inst[i].ring_dec.me = i;
1760 		DRM_INFO("VCN(%d) decode is enabled in VM mode\n", i);
1761 	}
1762 }
1763 
1764 static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev)
1765 {
1766 	int i, j;
1767 
1768 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
1769 		if (adev->vcn.harvest_config & (1 << j))
1770 			continue;
1771 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
1772 			if (adev->ip_versions[UVD_HWIP][0] == IP_VERSION(2, 5, 0))
1773 				adev->vcn.inst[j].ring_enc[i].funcs = &vcn_v2_5_enc_ring_vm_funcs;
1774 			else /* CHIP_ALDEBARAN */
1775 				adev->vcn.inst[j].ring_enc[i].funcs = &vcn_v2_6_enc_ring_vm_funcs;
1776 			adev->vcn.inst[j].ring_enc[i].me = j;
1777 		}
1778 		DRM_INFO("VCN(%d) encode is enabled in VM mode\n", j);
1779 	}
1780 }
1781 
1782 static bool vcn_v2_5_is_idle(void *handle)
1783 {
1784 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1785 	int i, ret = 1;
1786 
1787 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1788 		if (adev->vcn.harvest_config & (1 << i))
1789 			continue;
1790 		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
1791 	}
1792 
1793 	return ret;
1794 }
1795 
1796 static int vcn_v2_5_wait_for_idle(void *handle)
1797 {
1798 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1799 	int i, ret = 0;
1800 
1801 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1802 		if (adev->vcn.harvest_config & (1 << i))
1803 			continue;
1804 		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
1805 			UVD_STATUS__IDLE);
1806 		if (ret)
1807 			return ret;
1808 	}
1809 
1810 	return ret;
1811 }
1812 
1813 static int vcn_v2_5_set_clockgating_state(void *handle,
1814 					  enum amd_clockgating_state state)
1815 {
1816 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1817 	bool enable = (state == AMD_CG_STATE_GATE);
1818 
1819 	if (amdgpu_sriov_vf(adev))
1820 		return 0;
1821 
1822 	if (enable) {
1823 		if (!vcn_v2_5_is_idle(handle))
1824 			return -EBUSY;
1825 		vcn_v2_5_enable_clock_gating(adev);
1826 	} else {
1827 		vcn_v2_5_disable_clock_gating(adev);
1828 	}
1829 
1830 	return 0;
1831 }
1832 
1833 static int vcn_v2_5_set_powergating_state(void *handle,
1834 					  enum amd_powergating_state state)
1835 {
1836 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1837 	int ret;
1838 
1839 	if (amdgpu_sriov_vf(adev))
1840 		return 0;
1841 
1842 	if(state == adev->vcn.cur_state)
1843 		return 0;
1844 
1845 	if (state == AMD_PG_STATE_GATE)
1846 		ret = vcn_v2_5_stop(adev);
1847 	else
1848 		ret = vcn_v2_5_start(adev);
1849 
1850 	if(!ret)
1851 		adev->vcn.cur_state = state;
1852 
1853 	return ret;
1854 }
1855 
1856 static int vcn_v2_5_set_interrupt_state(struct amdgpu_device *adev,
1857 					struct amdgpu_irq_src *source,
1858 					unsigned type,
1859 					enum amdgpu_interrupt_state state)
1860 {
1861 	return 0;
1862 }
1863 
1864 static int vcn_v2_5_process_interrupt(struct amdgpu_device *adev,
1865 				      struct amdgpu_irq_src *source,
1866 				      struct amdgpu_iv_entry *entry)
1867 {
1868 	uint32_t ip_instance;
1869 
1870 	switch (entry->client_id) {
1871 	case SOC15_IH_CLIENTID_VCN:
1872 		ip_instance = 0;
1873 		break;
1874 	case SOC15_IH_CLIENTID_VCN1:
1875 		ip_instance = 1;
1876 		break;
1877 	default:
1878 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
1879 		return 0;
1880 	}
1881 
1882 	DRM_DEBUG("IH: VCN TRAP\n");
1883 
1884 	switch (entry->src_id) {
1885 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
1886 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
1887 		break;
1888 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1889 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
1890 		break;
1891 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
1892 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
1893 		break;
1894 	case VCN_2_6__SRCID_UVD_POISON:
1895 		amdgpu_vcn_process_poison_irq(adev, source, entry);
1896 		break;
1897 	default:
1898 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1899 			  entry->src_id, entry->src_data[0]);
1900 		break;
1901 	}
1902 
1903 	return 0;
1904 }
1905 
1906 static const struct amdgpu_irq_src_funcs vcn_v2_5_irq_funcs = {
1907 	.set = vcn_v2_5_set_interrupt_state,
1908 	.process = vcn_v2_5_process_interrupt,
1909 };
1910 
1911 static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev)
1912 {
1913 	int i;
1914 
1915 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1916 		if (adev->vcn.harvest_config & (1 << i))
1917 			continue;
1918 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
1919 		adev->vcn.inst[i].irq.funcs = &vcn_v2_5_irq_funcs;
1920 	}
1921 }
1922 
1923 static const struct amd_ip_funcs vcn_v2_5_ip_funcs = {
1924 	.name = "vcn_v2_5",
1925 	.early_init = vcn_v2_5_early_init,
1926 	.late_init = NULL,
1927 	.sw_init = vcn_v2_5_sw_init,
1928 	.sw_fini = vcn_v2_5_sw_fini,
1929 	.hw_init = vcn_v2_5_hw_init,
1930 	.hw_fini = vcn_v2_5_hw_fini,
1931 	.suspend = vcn_v2_5_suspend,
1932 	.resume = vcn_v2_5_resume,
1933 	.is_idle = vcn_v2_5_is_idle,
1934 	.wait_for_idle = vcn_v2_5_wait_for_idle,
1935 	.check_soft_reset = NULL,
1936 	.pre_soft_reset = NULL,
1937 	.soft_reset = NULL,
1938 	.post_soft_reset = NULL,
1939 	.set_clockgating_state = vcn_v2_5_set_clockgating_state,
1940 	.set_powergating_state = vcn_v2_5_set_powergating_state,
1941 };
1942 
1943 static const struct amd_ip_funcs vcn_v2_6_ip_funcs = {
1944         .name = "vcn_v2_6",
1945         .early_init = vcn_v2_5_early_init,
1946         .late_init = NULL,
1947         .sw_init = vcn_v2_5_sw_init,
1948         .sw_fini = vcn_v2_5_sw_fini,
1949         .hw_init = vcn_v2_5_hw_init,
1950         .hw_fini = vcn_v2_5_hw_fini,
1951         .suspend = vcn_v2_5_suspend,
1952         .resume = vcn_v2_5_resume,
1953         .is_idle = vcn_v2_5_is_idle,
1954         .wait_for_idle = vcn_v2_5_wait_for_idle,
1955         .check_soft_reset = NULL,
1956         .pre_soft_reset = NULL,
1957         .soft_reset = NULL,
1958         .post_soft_reset = NULL,
1959         .set_clockgating_state = vcn_v2_5_set_clockgating_state,
1960         .set_powergating_state = vcn_v2_5_set_powergating_state,
1961 };
1962 
1963 const struct amdgpu_ip_block_version vcn_v2_5_ip_block =
1964 {
1965 		.type = AMD_IP_BLOCK_TYPE_VCN,
1966 		.major = 2,
1967 		.minor = 5,
1968 		.rev = 0,
1969 		.funcs = &vcn_v2_5_ip_funcs,
1970 };
1971 
1972 const struct amdgpu_ip_block_version vcn_v2_6_ip_block =
1973 {
1974 		.type = AMD_IP_BLOCK_TYPE_VCN,
1975 		.major = 2,
1976 		.minor = 6,
1977 		.rev = 0,
1978 		.funcs = &vcn_v2_6_ip_funcs,
1979 };
1980 
1981 static uint32_t vcn_v2_6_query_poison_by_instance(struct amdgpu_device *adev,
1982 			uint32_t instance, uint32_t sub_block)
1983 {
1984 	uint32_t poison_stat = 0, reg_value = 0;
1985 
1986 	switch (sub_block) {
1987 	case AMDGPU_VCN_V2_6_VCPU_VCODEC:
1988 		reg_value = RREG32_SOC15(VCN, instance, mmUVD_RAS_VCPU_VCODEC_STATUS);
1989 		poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_VCPU_VCODEC_STATUS, POISONED_PF);
1990 		break;
1991 	default:
1992 		break;
1993 	}
1994 
1995 	if (poison_stat)
1996 		dev_info(adev->dev, "Poison detected in VCN%d, sub_block%d\n",
1997 			instance, sub_block);
1998 
1999 	return poison_stat;
2000 }
2001 
2002 static bool vcn_v2_6_query_poison_status(struct amdgpu_device *adev)
2003 {
2004 	uint32_t inst, sub;
2005 	uint32_t poison_stat = 0;
2006 
2007 	for (inst = 0; inst < adev->vcn.num_vcn_inst; inst++)
2008 		for (sub = 0; sub < AMDGPU_VCN_V2_6_MAX_SUB_BLOCK; sub++)
2009 			poison_stat +=
2010 			vcn_v2_6_query_poison_by_instance(adev, inst, sub);
2011 
2012 	return !!poison_stat;
2013 }
2014 
2015 const struct amdgpu_ras_block_hw_ops vcn_v2_6_ras_hw_ops = {
2016 	.query_poison_status = vcn_v2_6_query_poison_status,
2017 };
2018 
2019 static struct amdgpu_vcn_ras vcn_v2_6_ras = {
2020 	.ras_block = {
2021 		.hw_ops = &vcn_v2_6_ras_hw_ops,
2022 	},
2023 };
2024 
2025 static void vcn_v2_5_set_ras_funcs(struct amdgpu_device *adev)
2026 {
2027 	switch (adev->ip_versions[VCN_HWIP][0]) {
2028 	case IP_VERSION(2, 6, 0):
2029 		adev->vcn.ras = &vcn_v2_6_ras;
2030 		break;
2031 	default:
2032 		break;
2033 	}
2034 
2035 	amdgpu_vcn_set_ras_funcs(adev);
2036 }
2037