xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c (revision 7f4f3b14e8079ecde096bd734af10e30d40c27b7)
1 /*
2  * Copyright 2023 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 #include "amdgpu.h"
26 #include "amdgpu_vcn.h"
27 #include "amdgpu_pm.h"
28 #include "soc15.h"
29 #include "soc15d.h"
30 #include "soc15_hw_ip.h"
31 #include "vcn_v2_0.h"
32 
33 #include "vcn/vcn_5_0_0_offset.h"
34 #include "vcn/vcn_5_0_0_sh_mask.h"
35 #include "ivsrcid/vcn/irqsrcs_vcn_4_0.h"
36 #include "vcn_v5_0_0.h"
37 
38 #include <drm/drm_drv.h>
39 
40 static const struct amdgpu_hwip_reg_entry vcn_reg_list_5_0[] = {
41 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_POWER_STATUS),
42 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_STATUS),
43 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID),
44 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID2),
45 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA0),
46 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA1),
47 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_CMD),
48 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI),
49 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO),
50 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI2),
51 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO2),
52 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI3),
53 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO3),
54 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI4),
55 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO4),
56 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR),
57 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR),
58 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR2),
59 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR2),
60 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR3),
61 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR3),
62 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR4),
63 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR4),
64 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE),
65 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE2),
66 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE3),
67 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE4),
68 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_CTL),
69 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_DATA),
70 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_MASK),
71 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_PAUSE)
72 };
73 
74 static int amdgpu_ih_clientid_vcns[] = {
75 	SOC15_IH_CLIENTID_VCN,
76 	SOC15_IH_CLIENTID_VCN1
77 };
78 
79 static void vcn_v5_0_0_set_unified_ring_funcs(struct amdgpu_device *adev);
80 static void vcn_v5_0_0_set_irq_funcs(struct amdgpu_device *adev);
81 static int vcn_v5_0_0_set_powergating_state(void *handle,
82 		enum amd_powergating_state state);
83 static int vcn_v5_0_0_pause_dpg_mode(struct amdgpu_device *adev,
84 		int inst_idx, struct dpg_pause_state *new_state);
85 static void vcn_v5_0_0_unified_ring_set_wptr(struct amdgpu_ring *ring);
86 
87 /**
88  * vcn_v5_0_0_early_init - set function pointers and load microcode
89  *
90  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
91  *
92  * Set ring and irq function pointers
93  * Load microcode from filesystem
94  */
95 static int vcn_v5_0_0_early_init(struct amdgpu_ip_block *ip_block)
96 {
97 	struct amdgpu_device *adev = ip_block->adev;
98 
99 	/* re-use enc ring as unified ring */
100 	adev->vcn.num_enc_rings = 1;
101 
102 	vcn_v5_0_0_set_unified_ring_funcs(adev);
103 	vcn_v5_0_0_set_irq_funcs(adev);
104 
105 	return amdgpu_vcn_early_init(adev);
106 }
107 
108 /**
109  * vcn_v5_0_0_sw_init - sw init for VCN block
110  *
111  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
112  *
113  * Load firmware and sw initialization
114  */
115 static int vcn_v5_0_0_sw_init(struct amdgpu_ip_block *ip_block)
116 {
117 	struct amdgpu_ring *ring;
118 	struct amdgpu_device *adev = ip_block->adev;
119 	int i, r;
120 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_5_0);
121 	uint32_t *ptr;
122 
123 	r = amdgpu_vcn_sw_init(adev);
124 	if (r)
125 		return r;
126 
127 	amdgpu_vcn_setup_ucode(adev);
128 
129 	r = amdgpu_vcn_resume(adev);
130 	if (r)
131 		return r;
132 
133 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
134 		volatile struct amdgpu_vcn5_fw_shared *fw_shared;
135 
136 		if (adev->vcn.harvest_config & (1 << i))
137 			continue;
138 
139 		atomic_set(&adev->vcn.inst[i].sched_score, 0);
140 
141 		/* VCN UNIFIED TRAP */
142 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
143 				VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
144 		if (r)
145 			return r;
146 
147 		/* VCN POISON TRAP */
148 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
149 				VCN_4_0__SRCID_UVD_POISON, &adev->vcn.inst[i].irq);
150 		if (r)
151 			return r;
152 
153 		ring = &adev->vcn.inst[i].ring_enc[0];
154 		ring->use_doorbell = true;
155 		ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + 8 * i;
156 
157 		ring->vm_hub = AMDGPU_MMHUB0(0);
158 		sprintf(ring->name, "vcn_unified_%d", i);
159 
160 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
161 						AMDGPU_RING_PRIO_0, &adev->vcn.inst[i].sched_score);
162 		if (r)
163 			return r;
164 
165 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
166 		fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_FW_SHARED_FLAG_0_UNIFIED_QUEUE);
167 		fw_shared->sq.is_enabled = 1;
168 
169 		if (amdgpu_vcnfw_log)
170 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
171 	}
172 
173 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
174 		adev->vcn.pause_dpg_mode = vcn_v5_0_0_pause_dpg_mode;
175 
176 	/* Allocate memory for VCN IP Dump buffer */
177 	ptr = kcalloc(adev->vcn.num_vcn_inst * reg_count, sizeof(uint32_t), GFP_KERNEL);
178 	if (!ptr) {
179 		DRM_ERROR("Failed to allocate memory for VCN IP Dump\n");
180 		adev->vcn.ip_dump = NULL;
181 	} else {
182 		adev->vcn.ip_dump = ptr;
183 	}
184 	return 0;
185 }
186 
187 /**
188  * vcn_v5_0_0_sw_fini - sw fini for VCN block
189  *
190  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
191  *
192  * VCN suspend and free up sw allocation
193  */
194 static int vcn_v5_0_0_sw_fini(struct amdgpu_ip_block *ip_block)
195 {
196 	struct amdgpu_device *adev = ip_block->adev;
197 	int i, r, idx;
198 
199 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
200 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
201 			volatile struct amdgpu_vcn5_fw_shared *fw_shared;
202 
203 			if (adev->vcn.harvest_config & (1 << i))
204 				continue;
205 
206 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
207 			fw_shared->present_flag_0 = 0;
208 			fw_shared->sq.is_enabled = 0;
209 		}
210 
211 		drm_dev_exit(idx);
212 	}
213 
214 	r = amdgpu_vcn_suspend(adev);
215 	if (r)
216 		return r;
217 
218 	r = amdgpu_vcn_sw_fini(adev);
219 
220 	kfree(adev->vcn.ip_dump);
221 
222 	return r;
223 }
224 
225 /**
226  * vcn_v5_0_0_hw_init - start and test VCN block
227  *
228  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
229  *
230  * Initialize the hardware, boot up the VCPU and do some testing
231  */
232 static int vcn_v5_0_0_hw_init(struct amdgpu_ip_block *ip_block)
233 {
234 	struct amdgpu_device *adev = ip_block->adev;
235 	struct amdgpu_ring *ring;
236 	int i, r;
237 
238 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
239 		if (adev->vcn.harvest_config & (1 << i))
240 			continue;
241 
242 		ring = &adev->vcn.inst[i].ring_enc[0];
243 
244 		adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
245 			((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i), i);
246 
247 		r = amdgpu_ring_test_helper(ring);
248 		if (r)
249 			return r;
250 	}
251 
252 	return 0;
253 }
254 
255 /**
256  * vcn_v5_0_0_hw_fini - stop the hardware block
257  *
258  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
259  *
260  * Stop the VCN block, mark ring as not ready any more
261  */
262 static int vcn_v5_0_0_hw_fini(struct amdgpu_ip_block *ip_block)
263 {
264 	struct amdgpu_device *adev = ip_block->adev;
265 	int i;
266 
267 	cancel_delayed_work_sync(&adev->vcn.idle_work);
268 
269 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
270 		if (adev->vcn.harvest_config & (1 << i))
271 			continue;
272 		if (!amdgpu_sriov_vf(adev)) {
273 			if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
274 				(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
275 				RREG32_SOC15(VCN, i, regUVD_STATUS))) {
276 				vcn_v5_0_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
277 			}
278 		}
279 	}
280 
281 	return 0;
282 }
283 
284 /**
285  * vcn_v5_0_0_suspend - suspend VCN block
286  *
287  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
288  *
289  * HW fini and suspend VCN block
290  */
291 static int vcn_v5_0_0_suspend(struct amdgpu_ip_block *ip_block)
292 {
293 	int r;
294 
295 	r = vcn_v5_0_0_hw_fini(ip_block);
296 	if (r)
297 		return r;
298 
299 	r = amdgpu_vcn_suspend(ip_block->adev);
300 
301 	return r;
302 }
303 
304 /**
305  * vcn_v5_0_0_resume - resume VCN block
306  *
307  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
308  *
309  * Resume firmware and hw init VCN block
310  */
311 static int vcn_v5_0_0_resume(struct amdgpu_ip_block *ip_block)
312 {
313 	int r;
314 
315 	r = amdgpu_vcn_resume(ip_block->adev);
316 	if (r)
317 		return r;
318 
319 	r = vcn_v5_0_0_hw_init(ip_block);
320 
321 	return r;
322 }
323 
324 /**
325  * vcn_v5_0_0_mc_resume - memory controller programming
326  *
327  * @adev: amdgpu_device pointer
328  * @inst: instance number
329  *
330  * Let the VCN memory controller know it's offsets
331  */
332 static void vcn_v5_0_0_mc_resume(struct amdgpu_device *adev, int inst)
333 {
334 	uint32_t offset, size;
335 	const struct common_firmware_header *hdr;
336 
337 	hdr = (const struct common_firmware_header *)adev->vcn.fw[inst]->data;
338 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
339 
340 	/* cache window 0: fw */
341 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
342 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
343 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
344 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
345 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
346 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, 0);
347 		offset = 0;
348 	} else {
349 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
350 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
351 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
352 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
353 		offset = size;
354 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
355 	}
356 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE0, size);
357 
358 	/* cache window 1: stack */
359 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
360 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
361 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
362 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
363 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET1, 0);
364 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
365 
366 	/* cache window 2: context */
367 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
368 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
369 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
370 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
371 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET2, 0);
372 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
373 
374 	/* non-cache window */
375 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
376 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
377 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
378 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
379 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_OFFSET0, 0);
380 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_SIZE0,
381 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn5_fw_shared)));
382 }
383 
384 /**
385  * vcn_v5_0_0_mc_resume_dpg_mode - memory controller programming for dpg mode
386  *
387  * @adev: amdgpu_device pointer
388  * @inst_idx: instance number index
389  * @indirect: indirectly write sram
390  *
391  * Let the VCN memory controller know it's offsets with dpg mode
392  */
393 static void vcn_v5_0_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
394 {
395 	uint32_t offset, size;
396 	const struct common_firmware_header *hdr;
397 
398 	hdr = (const struct common_firmware_header *)adev->vcn.fw[inst_idx]->data;
399 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
400 
401 	/* cache window 0: fw */
402 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
403 		if (!indirect) {
404 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
405 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
406 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
407 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
408 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
409 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
410 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
411 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
412 		} else {
413 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
414 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
415 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
416 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
417 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
418 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
419 		}
420 		offset = 0;
421 	} else {
422 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
423 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
424 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
425 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
426 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
427 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
428 		offset = size;
429 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
430 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0),
431 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
432 	}
433 
434 	if (!indirect)
435 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
436 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
437 	else
438 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
439 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
440 
441 	/* cache window 1: stack */
442 	if (!indirect) {
443 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
444 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
445 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
446 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
447 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
448 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
449 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
450 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
451 	} else {
452 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
453 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
454 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
455 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
456 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
457 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
458 	}
459 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
460 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
461 
462 	/* cache window 2: context */
463 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
464 		VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
465 		lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
466 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
467 		VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
468 		upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
469 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
470 		VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
471 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
472 		VCN, inst_idx, regUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
473 
474 	/* non-cache window */
475 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
476 		VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
477 		lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
478 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
479 		VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
480 		upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
481 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
482 		VCN, inst_idx, regUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
483 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
484 		VCN, inst_idx, regUVD_VCPU_NONCACHE_SIZE0),
485 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn5_fw_shared)), 0, indirect);
486 
487 	/* VCN global tiling registers */
488 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
489 		VCN, 0, regUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
490 
491 	return;
492 }
493 
494 /**
495  * vcn_v5_0_0_disable_static_power_gating - disable VCN static power gating
496  *
497  * @adev: amdgpu_device pointer
498  * @inst: instance number
499  *
500  * Disable static power gating for VCN block
501  */
502 static void vcn_v5_0_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
503 {
504 	uint32_t data = 0;
505 
506 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
507 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT;
508 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
509 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
510 				UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
511 
512 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT;
513 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
514 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
515 				1 << UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS__SHIFT,
516 				UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
517 
518 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT;
519 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
520 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
521 				1 << UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS__SHIFT,
522 				UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
523 
524 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT;
525 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
526 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
527 				1 << UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS__SHIFT,
528 				UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
529 	} else {
530 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT;
531 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
532 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
533 				UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
534 
535 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT;
536 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
537 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
538 				UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
539 
540 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT;
541 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
542 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
543 				UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
544 
545 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT;
546 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
547 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
548 				UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
549 	}
550 
551 	data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
552 	data &= ~0x103;
553 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
554 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
555 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
556 
557 	WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
558 	return;
559 }
560 
561 /**
562  * vcn_v5_0_0_enable_static_power_gating - enable VCN static power gating
563  *
564  * @adev: amdgpu_device pointer
565  * @inst: instance number
566  *
567  * Enable static power gating for VCN block
568  */
569 static void vcn_v5_0_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
570 {
571 	uint32_t data;
572 
573 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
574 		/* Before power off, this indicator has to be turned on */
575 		data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
576 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
577 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
578 		WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
579 
580 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT;
581 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
582 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
583 				1 << UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS__SHIFT,
584 				UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
585 
586 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT;
587 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
588 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
589 				1 << UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS__SHIFT,
590 				UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
591 
592 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT;
593 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
594 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
595 				1 << UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS__SHIFT,
596 				UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
597 
598 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT;
599 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
600 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
601 				1 << UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS__SHIFT,
602 				UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
603 	}
604 	return;
605 }
606 
607 /**
608  * vcn_v5_0_0_disable_clock_gating - disable VCN clock gating
609  *
610  * @adev: amdgpu_device pointer
611  * @inst: instance number
612  *
613  * Disable clock gating for VCN block
614  */
615 static void vcn_v5_0_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
616 {
617 	return;
618 }
619 
620 #if 0
621 /**
622  * vcn_v5_0_0_disable_clock_gating_dpg_mode - disable VCN clock gating dpg mode
623  *
624  * @adev: amdgpu_device pointer
625  * @sram_sel: sram select
626  * @inst_idx: instance number index
627  * @indirect: indirectly write sram
628  *
629  * Disable clock gating for VCN block with dpg mode
630  */
631 static void vcn_v5_0_0_disable_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t sram_sel,
632 	int inst_idx, uint8_t indirect)
633 {
634 	return;
635 }
636 #endif
637 
638 /**
639  * vcn_v5_0_0_enable_clock_gating - enable VCN clock gating
640  *
641  * @adev: amdgpu_device pointer
642  * @inst: instance number
643  *
644  * Enable clock gating for VCN block
645  */
646 static void vcn_v5_0_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
647 {
648 	return;
649 }
650 
651 /**
652  * vcn_v5_0_0_start_dpg_mode - VCN start with dpg mode
653  *
654  * @adev: amdgpu_device pointer
655  * @inst_idx: instance number index
656  * @indirect: indirectly write sram
657  *
658  * Start VCN block with dpg mode
659  */
660 static int vcn_v5_0_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
661 {
662 	volatile struct amdgpu_vcn5_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
663 	struct amdgpu_ring *ring;
664 	uint32_t tmp;
665 
666 	/* disable register anti-hang mechanism */
667 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 1,
668 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
669 
670 	/* enable dynamic power gating mode */
671 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS);
672 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
673 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
674 	WREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS, tmp);
675 
676 	if (indirect)
677 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
678 
679 	/* enable VCPU clock */
680 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
681 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK | UVD_VCPU_CNTL__BLK_RST_MASK;
682 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
683 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
684 
685 	/* disable master interrupt */
686 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
687 		VCN, inst_idx, regUVD_MASTINT_EN), 0, 0, indirect);
688 
689 	/* setup regUVD_LMI_CTRL */
690 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
691 		UVD_LMI_CTRL__REQ_MODE_MASK |
692 		UVD_LMI_CTRL__CRC_RESET_MASK |
693 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
694 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
695 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
696 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
697 		0x00100000L);
698 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
699 		VCN, inst_idx, regUVD_LMI_CTRL), tmp, 0, indirect);
700 
701 	vcn_v5_0_0_mc_resume_dpg_mode(adev, inst_idx, indirect);
702 
703 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
704 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
705 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
706 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
707 
708 	/* enable LMI MC and UMC channels */
709 	tmp = 0x1f << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT;
710 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
711 		VCN, inst_idx, regUVD_LMI_CTRL2), tmp, 0, indirect);
712 
713 	/* enable master interrupt */
714 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
715 		VCN, inst_idx, regUVD_MASTINT_EN),
716 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
717 
718 	if (indirect)
719 		amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
720 
721 	ring = &adev->vcn.inst[inst_idx].ring_enc[0];
722 
723 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_LO, ring->gpu_addr);
724 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
725 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_SIZE, ring->ring_size / 4);
726 
727 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
728 	tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
729 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
730 	fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
731 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR, 0);
732 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, 0);
733 
734 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR);
735 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, tmp);
736 	ring->wptr = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
737 
738 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
739 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
740 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
741 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
742 
743 	WREG32_SOC15(VCN, inst_idx, regVCN_RB1_DB_CTRL,
744 		ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
745 		VCN_RB1_DB_CTRL__EN_MASK);
746 
747 	return 0;
748 }
749 
750 /**
751  * vcn_v5_0_0_start - VCN start
752  *
753  * @adev: amdgpu_device pointer
754  *
755  * Start VCN block
756  */
757 static int vcn_v5_0_0_start(struct amdgpu_device *adev)
758 {
759 	volatile struct amdgpu_vcn5_fw_shared *fw_shared;
760 	struct amdgpu_ring *ring;
761 	uint32_t tmp;
762 	int i, j, k, r;
763 
764 	if (adev->pm.dpm_enabled)
765 		amdgpu_dpm_enable_uvd(adev, true);
766 
767 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
768 		if (adev->vcn.harvest_config & (1 << i))
769 			continue;
770 
771 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
772 
773 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
774 			r = vcn_v5_0_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
775 			continue;
776 		}
777 
778 		/* disable VCN power gating */
779 		vcn_v5_0_0_disable_static_power_gating(adev, i);
780 
781 		/* set VCN status busy */
782 		tmp = RREG32_SOC15(VCN, i, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
783 		WREG32_SOC15(VCN, i, regUVD_STATUS, tmp);
784 
785 		/* enable VCPU clock */
786 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
787 			UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
788 
789 		/* disable master interrupt */
790 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN), 0,
791 			~UVD_MASTINT_EN__VCPU_EN_MASK);
792 
793 		/* enable LMI MC and UMC channels */
794 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_LMI_CTRL2), 0,
795 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
796 
797 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
798 		tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
799 		tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
800 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
801 
802 		/* setup regUVD_LMI_CTRL */
803 		tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL);
804 		WREG32_SOC15(VCN, i, regUVD_LMI_CTRL, tmp |
805 			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
806 			UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
807 			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
808 			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
809 
810 		vcn_v5_0_0_mc_resume(adev, i);
811 
812 		/* VCN global tiling registers */
813 		WREG32_SOC15(VCN, i, regUVD_GFX10_ADDR_CONFIG,
814 			adev->gfx.config.gb_addr_config);
815 
816 		/* unblock VCPU register access */
817 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL), 0,
818 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
819 
820 		/* release VCPU reset to boot */
821 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
822 			~UVD_VCPU_CNTL__BLK_RST_MASK);
823 
824 		for (j = 0; j < 10; ++j) {
825 			uint32_t status;
826 
827 			for (k = 0; k < 100; ++k) {
828 				status = RREG32_SOC15(VCN, i, regUVD_STATUS);
829 				if (status & 2)
830 					break;
831 				mdelay(10);
832 				if (amdgpu_emu_mode == 1)
833 					msleep(1);
834 			}
835 
836 			if (amdgpu_emu_mode == 1) {
837 				r = -1;
838 				if (status & 2) {
839 					r = 0;
840 					break;
841 				}
842 			} else {
843 				r = 0;
844 				if (status & 2)
845 					break;
846 
847 				dev_err(adev->dev,
848 					"VCN[%d] is not responding, trying to reset the VCPU!!!\n", i);
849 				WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
850 							UVD_VCPU_CNTL__BLK_RST_MASK,
851 							~UVD_VCPU_CNTL__BLK_RST_MASK);
852 				mdelay(10);
853 				WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
854 							~UVD_VCPU_CNTL__BLK_RST_MASK);
855 
856 				mdelay(10);
857 				r = -1;
858 			}
859 		}
860 
861 		if (r) {
862 			dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", i);
863 			return r;
864 		}
865 
866 		/* enable master interrupt */
867 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN),
868 				UVD_MASTINT_EN__VCPU_EN_MASK,
869 				~UVD_MASTINT_EN__VCPU_EN_MASK);
870 
871 		/* clear the busy bit of VCN_STATUS */
872 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_STATUS), 0,
873 			~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
874 
875 		ring = &adev->vcn.inst[i].ring_enc[0];
876 		WREG32_SOC15(VCN, i, regVCN_RB1_DB_CTRL,
877 			ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
878 			VCN_RB1_DB_CTRL__EN_MASK);
879 
880 		WREG32_SOC15(VCN, i, regUVD_RB_BASE_LO, ring->gpu_addr);
881 		WREG32_SOC15(VCN, i, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
882 		WREG32_SOC15(VCN, i, regUVD_RB_SIZE, ring->ring_size / 4);
883 
884 		tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
885 		tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
886 		WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
887 		fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
888 		WREG32_SOC15(VCN, i, regUVD_RB_RPTR, 0);
889 		WREG32_SOC15(VCN, i, regUVD_RB_WPTR, 0);
890 
891 		tmp = RREG32_SOC15(VCN, i, regUVD_RB_RPTR);
892 		WREG32_SOC15(VCN, i, regUVD_RB_WPTR, tmp);
893 		ring->wptr = RREG32_SOC15(VCN, i, regUVD_RB_WPTR);
894 
895 		tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
896 		tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
897 		WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
898 		fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
899 	}
900 
901 	return 0;
902 }
903 
904 /**
905  * vcn_v5_0_0_stop_dpg_mode - VCN stop with dpg mode
906  *
907  * @adev: amdgpu_device pointer
908  * @inst_idx: instance number index
909  *
910  * Stop VCN block with dpg mode
911  */
912 static void vcn_v5_0_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
913 {
914 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
915 	uint32_t tmp;
916 
917 	vcn_v5_0_0_pause_dpg_mode(adev, inst_idx, &state);
918 
919 	/* Wait for power status to be 1 */
920 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
921 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
922 
923 	/* wait for read ptr to be equal to write ptr */
924 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
925 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_RB_RPTR, tmp, 0xFFFFFFFF);
926 
927 	/* disable dynamic power gating mode */
928 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 0,
929 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
930 
931 	return;
932 }
933 
934 /**
935  * vcn_v5_0_0_stop - VCN stop
936  *
937  * @adev: amdgpu_device pointer
938  *
939  * Stop VCN block
940  */
941 static int vcn_v5_0_0_stop(struct amdgpu_device *adev)
942 {
943 	volatile struct amdgpu_vcn5_fw_shared *fw_shared;
944 	uint32_t tmp;
945 	int i, r = 0;
946 
947 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
948 		if (adev->vcn.harvest_config & (1 << i))
949 			continue;
950 
951 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
952 		fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
953 
954 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
955 			vcn_v5_0_0_stop_dpg_mode(adev, i);
956 			continue;
957 		}
958 
959 		/* wait for vcn idle */
960 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE, 0x7);
961 		if (r)
962 			return r;
963 
964 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
965 		      UVD_LMI_STATUS__READ_CLEAN_MASK |
966 		      UVD_LMI_STATUS__WRITE_CLEAN_MASK |
967 		      UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
968 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
969 		if (r)
970 			return r;
971 
972 		/* disable LMI UMC channel */
973 		tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL2);
974 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
975 		WREG32_SOC15(VCN, i, regUVD_LMI_CTRL2, tmp);
976 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
977 		      UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
978 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
979 		if (r)
980 			return r;
981 
982 		/* block VCPU register access */
983 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL),
984 			UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
985 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
986 
987 		/* reset VCPU */
988 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
989 			UVD_VCPU_CNTL__BLK_RST_MASK,
990 			~UVD_VCPU_CNTL__BLK_RST_MASK);
991 
992 		/* disable VCPU clock */
993 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
994 			~(UVD_VCPU_CNTL__CLK_EN_MASK));
995 
996 		/* apply soft reset */
997 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
998 		tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
999 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1000 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1001 		tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1002 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1003 
1004 		/* clear status */
1005 		WREG32_SOC15(VCN, i, regUVD_STATUS, 0);
1006 
1007 		/* enable VCN power gating */
1008 		vcn_v5_0_0_enable_static_power_gating(adev, i);
1009 	}
1010 
1011 	if (adev->pm.dpm_enabled)
1012 		amdgpu_dpm_enable_uvd(adev, false);
1013 
1014 	return 0;
1015 }
1016 
1017 /**
1018  * vcn_v5_0_0_pause_dpg_mode - VCN pause with dpg mode
1019  *
1020  * @adev: amdgpu_device pointer
1021  * @inst_idx: instance number index
1022  * @new_state: pause state
1023  *
1024  * Pause dpg mode for VCN block
1025  */
1026 static int vcn_v5_0_0_pause_dpg_mode(struct amdgpu_device *adev, int inst_idx,
1027 	struct dpg_pause_state *new_state)
1028 {
1029 	uint32_t reg_data = 0;
1030 	int ret_code;
1031 
1032 	/* pause/unpause if state is changed */
1033 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1034 		DRM_DEV_DEBUG(adev->dev, "dpg pause state changed %d -> %d",
1035 			adev->vcn.inst[inst_idx].pause_state.fw_based,  new_state->fw_based);
1036 		reg_data = RREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE) &
1037 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1038 
1039 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1040 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 0x1,
1041 					UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1042 
1043 			if (!ret_code) {
1044 				/* pause DPG */
1045 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1046 				WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1047 
1048 				/* wait for ACK */
1049 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_DPG_PAUSE,
1050 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1051 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1052 			}
1053 		} else {
1054 			/* unpause dpg, no need to wait */
1055 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1056 			WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1057 		}
1058 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1059 	}
1060 
1061 	return 0;
1062 }
1063 
1064 /**
1065  * vcn_v5_0_0_unified_ring_get_rptr - get unified read pointer
1066  *
1067  * @ring: amdgpu_ring pointer
1068  *
1069  * Returns the current hardware unified read pointer
1070  */
1071 static uint64_t vcn_v5_0_0_unified_ring_get_rptr(struct amdgpu_ring *ring)
1072 {
1073 	struct amdgpu_device *adev = ring->adev;
1074 
1075 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1076 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1077 
1078 	return RREG32_SOC15(VCN, ring->me, regUVD_RB_RPTR);
1079 }
1080 
1081 /**
1082  * vcn_v5_0_0_unified_ring_get_wptr - get unified write pointer
1083  *
1084  * @ring: amdgpu_ring pointer
1085  *
1086  * Returns the current hardware unified write pointer
1087  */
1088 static uint64_t vcn_v5_0_0_unified_ring_get_wptr(struct amdgpu_ring *ring)
1089 {
1090 	struct amdgpu_device *adev = ring->adev;
1091 
1092 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1093 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1094 
1095 	if (ring->use_doorbell)
1096 		return *ring->wptr_cpu_addr;
1097 	else
1098 		return RREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR);
1099 }
1100 
1101 /**
1102  * vcn_v5_0_0_unified_ring_set_wptr - set enc write pointer
1103  *
1104  * @ring: amdgpu_ring pointer
1105  *
1106  * Commits the enc write pointer to the hardware
1107  */
1108 static void vcn_v5_0_0_unified_ring_set_wptr(struct amdgpu_ring *ring)
1109 {
1110 	struct amdgpu_device *adev = ring->adev;
1111 
1112 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1113 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1114 
1115 	if (ring->use_doorbell) {
1116 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1117 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1118 	} else {
1119 		WREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR, lower_32_bits(ring->wptr));
1120 	}
1121 }
1122 
1123 static const struct amdgpu_ring_funcs vcn_v5_0_0_unified_ring_vm_funcs = {
1124 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1125 	.align_mask = 0x3f,
1126 	.nop = VCN_ENC_CMD_NO_OP,
1127 	.get_rptr = vcn_v5_0_0_unified_ring_get_rptr,
1128 	.get_wptr = vcn_v5_0_0_unified_ring_get_wptr,
1129 	.set_wptr = vcn_v5_0_0_unified_ring_set_wptr,
1130 	.emit_frame_size =
1131 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1132 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1133 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1134 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1135 		1, /* vcn_v2_0_enc_ring_insert_end */
1136 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1137 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1138 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1139 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1140 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1141 	.test_ib = amdgpu_vcn_unified_ring_test_ib,
1142 	.insert_nop = amdgpu_ring_insert_nop,
1143 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1144 	.pad_ib = amdgpu_ring_generic_pad_ib,
1145 	.begin_use = amdgpu_vcn_ring_begin_use,
1146 	.end_use = amdgpu_vcn_ring_end_use,
1147 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1148 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1149 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1150 };
1151 
1152 /**
1153  * vcn_v5_0_0_set_unified_ring_funcs - set unified ring functions
1154  *
1155  * @adev: amdgpu_device pointer
1156  *
1157  * Set unified ring functions
1158  */
1159 static void vcn_v5_0_0_set_unified_ring_funcs(struct amdgpu_device *adev)
1160 {
1161 	int i;
1162 
1163 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1164 		if (adev->vcn.harvest_config & (1 << i))
1165 			continue;
1166 
1167 		adev->vcn.inst[i].ring_enc[0].funcs = &vcn_v5_0_0_unified_ring_vm_funcs;
1168 		adev->vcn.inst[i].ring_enc[0].me = i;
1169 	}
1170 }
1171 
1172 /**
1173  * vcn_v5_0_0_is_idle - check VCN block is idle
1174  *
1175  * @handle: amdgpu_device pointer
1176  *
1177  * Check whether VCN block is idle
1178  */
1179 static bool vcn_v5_0_0_is_idle(void *handle)
1180 {
1181 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1182 	int i, ret = 1;
1183 
1184 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1185 		if (adev->vcn.harvest_config & (1 << i))
1186 			continue;
1187 
1188 		ret &= (RREG32_SOC15(VCN, i, regUVD_STATUS) == UVD_STATUS__IDLE);
1189 	}
1190 
1191 	return ret;
1192 }
1193 
1194 /**
1195  * vcn_v5_0_0_wait_for_idle - wait for VCN block idle
1196  *
1197  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
1198  *
1199  * Wait for VCN block idle
1200  */
1201 static int vcn_v5_0_0_wait_for_idle(struct amdgpu_ip_block *ip_block)
1202 {
1203 	struct amdgpu_device *adev = ip_block->adev;
1204 	int i, ret = 0;
1205 
1206 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1207 		if (adev->vcn.harvest_config & (1 << i))
1208 			continue;
1209 
1210 		ret = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE,
1211 			UVD_STATUS__IDLE);
1212 		if (ret)
1213 			return ret;
1214 	}
1215 
1216 	return ret;
1217 }
1218 
1219 /**
1220  * vcn_v5_0_0_set_clockgating_state - set VCN block clockgating state
1221  *
1222  * @handle: amdgpu_device pointer
1223  * @state: clock gating state
1224  *
1225  * Set VCN block clockgating state
1226  */
1227 static int vcn_v5_0_0_set_clockgating_state(void *handle, enum amd_clockgating_state state)
1228 {
1229 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1230 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
1231 	int i;
1232 
1233 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1234 		if (adev->vcn.harvest_config & (1 << i))
1235 			continue;
1236 
1237 		if (enable) {
1238 			if (RREG32_SOC15(VCN, i, regUVD_STATUS) != UVD_STATUS__IDLE)
1239 				return -EBUSY;
1240 			vcn_v5_0_0_enable_clock_gating(adev, i);
1241 		} else {
1242 			vcn_v5_0_0_disable_clock_gating(adev, i);
1243 		}
1244 	}
1245 
1246 	return 0;
1247 }
1248 
1249 /**
1250  * vcn_v5_0_0_set_powergating_state - set VCN block powergating state
1251  *
1252  * @handle: amdgpu_device pointer
1253  * @state: power gating state
1254  *
1255  * Set VCN block powergating state
1256  */
1257 static int vcn_v5_0_0_set_powergating_state(void *handle, enum amd_powergating_state state)
1258 {
1259 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1260 	int ret;
1261 
1262 	if (state == adev->vcn.cur_state)
1263 		return 0;
1264 
1265 	if (state == AMD_PG_STATE_GATE)
1266 		ret = vcn_v5_0_0_stop(adev);
1267 	else
1268 		ret = vcn_v5_0_0_start(adev);
1269 
1270 	if (!ret)
1271 		adev->vcn.cur_state = state;
1272 
1273 	return ret;
1274 }
1275 
1276 /**
1277  * vcn_v5_0_0_process_interrupt - process VCN block interrupt
1278  *
1279  * @adev: amdgpu_device pointer
1280  * @source: interrupt sources
1281  * @entry: interrupt entry from clients and sources
1282  *
1283  * Process VCN block interrupt
1284  */
1285 static int vcn_v5_0_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
1286 	struct amdgpu_iv_entry *entry)
1287 {
1288 	uint32_t ip_instance;
1289 
1290 	switch (entry->client_id) {
1291 	case SOC15_IH_CLIENTID_VCN:
1292 		ip_instance = 0;
1293 		break;
1294 	case SOC15_IH_CLIENTID_VCN1:
1295 		ip_instance = 1;
1296 		break;
1297 	default:
1298 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
1299 		return 0;
1300 	}
1301 
1302 	DRM_DEBUG("IH: VCN TRAP\n");
1303 
1304 	switch (entry->src_id) {
1305 	case VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1306 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
1307 		break;
1308 	case VCN_4_0__SRCID_UVD_POISON:
1309 		amdgpu_vcn_process_poison_irq(adev, source, entry);
1310 		break;
1311 	default:
1312 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1313 			  entry->src_id, entry->src_data[0]);
1314 		break;
1315 	}
1316 
1317 	return 0;
1318 }
1319 
1320 static const struct amdgpu_irq_src_funcs vcn_v5_0_0_irq_funcs = {
1321 	.process = vcn_v5_0_0_process_interrupt,
1322 };
1323 
1324 /**
1325  * vcn_v5_0_0_set_irq_funcs - set VCN block interrupt irq functions
1326  *
1327  * @adev: amdgpu_device pointer
1328  *
1329  * Set VCN block interrupt irq functions
1330  */
1331 static void vcn_v5_0_0_set_irq_funcs(struct amdgpu_device *adev)
1332 {
1333 	int i;
1334 
1335 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1336 		if (adev->vcn.harvest_config & (1 << i))
1337 			continue;
1338 
1339 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
1340 		adev->vcn.inst[i].irq.funcs = &vcn_v5_0_0_irq_funcs;
1341 	}
1342 }
1343 
1344 static void vcn_v5_0_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm_printer *p)
1345 {
1346 	struct amdgpu_device *adev = ip_block->adev;
1347 	int i, j;
1348 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_5_0);
1349 	uint32_t inst_off, is_powered;
1350 
1351 	if (!adev->vcn.ip_dump)
1352 		return;
1353 
1354 	drm_printf(p, "num_instances:%d\n", adev->vcn.num_vcn_inst);
1355 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1356 		if (adev->vcn.harvest_config & (1 << i)) {
1357 			drm_printf(p, "\nHarvested Instance:VCN%d Skipping dump\n", i);
1358 			continue;
1359 		}
1360 
1361 		inst_off = i * reg_count;
1362 		is_powered = (adev->vcn.ip_dump[inst_off] &
1363 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
1364 
1365 		if (is_powered) {
1366 			drm_printf(p, "\nActive Instance:VCN%d\n", i);
1367 			for (j = 0; j < reg_count; j++)
1368 				drm_printf(p, "%-50s \t 0x%08x\n", vcn_reg_list_5_0[j].reg_name,
1369 					   adev->vcn.ip_dump[inst_off + j]);
1370 		} else {
1371 			drm_printf(p, "\nInactive Instance:VCN%d\n", i);
1372 		}
1373 	}
1374 }
1375 
1376 static void vcn_v5_0_dump_ip_state(struct amdgpu_ip_block *ip_block)
1377 {
1378 	struct amdgpu_device *adev = ip_block->adev;
1379 	int i, j;
1380 	bool is_powered;
1381 	uint32_t inst_off;
1382 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_5_0);
1383 
1384 	if (!adev->vcn.ip_dump)
1385 		return;
1386 
1387 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1388 		if (adev->vcn.harvest_config & (1 << i))
1389 			continue;
1390 
1391 		inst_off = i * reg_count;
1392 		/* mmUVD_POWER_STATUS is always readable and is first element of the array */
1393 		adev->vcn.ip_dump[inst_off] = RREG32_SOC15(VCN, i, regUVD_POWER_STATUS);
1394 		is_powered = (adev->vcn.ip_dump[inst_off] &
1395 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
1396 
1397 		if (is_powered)
1398 			for (j = 1; j < reg_count; j++)
1399 				adev->vcn.ip_dump[inst_off + j] =
1400 					RREG32(SOC15_REG_ENTRY_OFFSET_INST(vcn_reg_list_5_0[j], i));
1401 	}
1402 }
1403 
1404 static const struct amd_ip_funcs vcn_v5_0_0_ip_funcs = {
1405 	.name = "vcn_v5_0_0",
1406 	.early_init = vcn_v5_0_0_early_init,
1407 	.sw_init = vcn_v5_0_0_sw_init,
1408 	.sw_fini = vcn_v5_0_0_sw_fini,
1409 	.hw_init = vcn_v5_0_0_hw_init,
1410 	.hw_fini = vcn_v5_0_0_hw_fini,
1411 	.suspend = vcn_v5_0_0_suspend,
1412 	.resume = vcn_v5_0_0_resume,
1413 	.is_idle = vcn_v5_0_0_is_idle,
1414 	.wait_for_idle = vcn_v5_0_0_wait_for_idle,
1415 	.set_clockgating_state = vcn_v5_0_0_set_clockgating_state,
1416 	.set_powergating_state = vcn_v5_0_0_set_powergating_state,
1417 	.dump_ip_state = vcn_v5_0_dump_ip_state,
1418 	.print_ip_state = vcn_v5_0_print_ip_state,
1419 };
1420 
1421 const struct amdgpu_ip_block_version vcn_v5_0_0_ip_block = {
1422 	.type = AMD_IP_BLOCK_TYPE_VCN,
1423 	.major = 5,
1424 	.minor = 0,
1425 	.rev = 0,
1426 	.funcs = &vcn_v5_0_0_ip_funcs,
1427 };
1428