xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c (revision 55d0969c451159cff86949b38c39171cab962069)
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  * @handle: amdgpu_device pointer
91  *
92  * Set ring and irq function pointers
93  * Load microcode from filesystem
94  */
95 static int vcn_v5_0_0_early_init(void *handle)
96 {
97 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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  * @handle: amdgpu_device pointer
112  *
113  * Load firmware and sw initialization
114  */
115 static int vcn_v5_0_0_sw_init(void *handle)
116 {
117 	struct amdgpu_ring *ring;
118 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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  * @handle: amdgpu_device pointer
191  *
192  * VCN suspend and free up sw allocation
193  */
194 static int vcn_v5_0_0_sw_fini(void *handle)
195 {
196 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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  * @handle: amdgpu_device pointer
229  *
230  * Initialize the hardware, boot up the VCPU and do some testing
231  */
232 static int vcn_v5_0_0_hw_init(void *handle)
233 {
234 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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  * @handle: amdgpu_device pointer
259  *
260  * Stop the VCN block, mark ring as not ready any more
261  */
262 static int vcn_v5_0_0_hw_fini(void *handle)
263 {
264 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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  * @handle: amdgpu_device pointer
288  *
289  * HW fini and suspend VCN block
290  */
291 static int vcn_v5_0_0_suspend(void *handle)
292 {
293 	int r;
294 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
295 
296 	r = vcn_v5_0_0_hw_fini(adev);
297 	if (r)
298 		return r;
299 
300 	r = amdgpu_vcn_suspend(adev);
301 
302 	return r;
303 }
304 
305 /**
306  * vcn_v5_0_0_resume - resume VCN block
307  *
308  * @handle: amdgpu_device pointer
309  *
310  * Resume firmware and hw init VCN block
311  */
312 static int vcn_v5_0_0_resume(void *handle)
313 {
314 	int r;
315 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
316 
317 	r = amdgpu_vcn_resume(adev);
318 	if (r)
319 		return r;
320 
321 	r = vcn_v5_0_0_hw_init(adev);
322 
323 	return r;
324 }
325 
326 /**
327  * vcn_v5_0_0_mc_resume - memory controller programming
328  *
329  * @adev: amdgpu_device pointer
330  * @inst: instance number
331  *
332  * Let the VCN memory controller know it's offsets
333  */
334 static void vcn_v5_0_0_mc_resume(struct amdgpu_device *adev, int inst)
335 {
336 	uint32_t offset, size;
337 	const struct common_firmware_header *hdr;
338 
339 	hdr = (const struct common_firmware_header *)adev->vcn.fw[inst]->data;
340 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
341 
342 	/* cache window 0: fw */
343 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
344 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
345 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
346 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
347 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
348 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, 0);
349 		offset = 0;
350 	} else {
351 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
352 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
353 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
354 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
355 		offset = size;
356 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
357 	}
358 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE0, size);
359 
360 	/* cache window 1: stack */
361 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
362 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
363 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
364 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
365 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET1, 0);
366 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
367 
368 	/* cache window 2: context */
369 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
370 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
371 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
372 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
373 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET2, 0);
374 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
375 
376 	/* non-cache window */
377 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
378 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
379 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
380 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
381 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_OFFSET0, 0);
382 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_SIZE0,
383 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn5_fw_shared)));
384 }
385 
386 /**
387  * vcn_v5_0_0_mc_resume_dpg_mode - memory controller programming for dpg mode
388  *
389  * @adev: amdgpu_device pointer
390  * @inst_idx: instance number index
391  * @indirect: indirectly write sram
392  *
393  * Let the VCN memory controller know it's offsets with dpg mode
394  */
395 static void vcn_v5_0_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
396 {
397 	uint32_t offset, size;
398 	const struct common_firmware_header *hdr;
399 
400 	hdr = (const struct common_firmware_header *)adev->vcn.fw[inst_idx]->data;
401 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
402 
403 	/* cache window 0: fw */
404 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
405 		if (!indirect) {
406 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
407 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
408 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
409 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
410 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
411 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
412 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
413 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
414 		} else {
415 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
416 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
417 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
418 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
419 			WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
420 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
421 		}
422 		offset = 0;
423 	} else {
424 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
425 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
426 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
427 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
428 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
429 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
430 		offset = size;
431 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
432 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0),
433 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
434 	}
435 
436 	if (!indirect)
437 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
438 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
439 	else
440 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
441 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
442 
443 	/* cache window 1: stack */
444 	if (!indirect) {
445 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
446 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
447 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
448 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
449 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
450 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
451 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
452 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
453 	} else {
454 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
455 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
456 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
457 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
458 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
459 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
460 	}
461 		WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
462 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
463 
464 	/* cache window 2: context */
465 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
466 		VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
467 		lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
468 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
469 		VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
470 		upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
471 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
472 		VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
473 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
474 		VCN, inst_idx, regUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
475 
476 	/* non-cache window */
477 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
478 		VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
479 		lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
480 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
481 		VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
482 		upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
483 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
484 		VCN, inst_idx, regUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
485 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
486 		VCN, inst_idx, regUVD_VCPU_NONCACHE_SIZE0),
487 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn5_fw_shared)), 0, indirect);
488 
489 	/* VCN global tiling registers */
490 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
491 		VCN, 0, regUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
492 
493 	return;
494 }
495 
496 /**
497  * vcn_v5_0_0_disable_static_power_gating - disable VCN static power gating
498  *
499  * @adev: amdgpu_device pointer
500  * @inst: instance number
501  *
502  * Disable static power gating for VCN block
503  */
504 static void vcn_v5_0_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
505 {
506 	uint32_t data = 0;
507 
508 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
509 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT;
510 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
511 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
512 				UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
513 
514 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT;
515 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
516 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
517 				1 << UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS__SHIFT,
518 				UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
519 
520 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT;
521 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
522 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
523 				1 << UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS__SHIFT,
524 				UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
525 
526 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT;
527 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
528 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
529 				1 << UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS__SHIFT,
530 				UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
531 	} else {
532 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT;
533 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
534 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
535 				UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
536 
537 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT;
538 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
539 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
540 				UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
541 
542 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT;
543 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
544 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
545 				UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
546 
547 		data = 1 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT;
548 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
549 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
550 				UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
551 	}
552 
553 	data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
554 	data &= ~0x103;
555 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
556 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
557 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
558 
559 	WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
560 	return;
561 }
562 
563 /**
564  * vcn_v5_0_0_enable_static_power_gating - enable VCN static power gating
565  *
566  * @adev: amdgpu_device pointer
567  * @inst: instance number
568  *
569  * Enable static power gating for VCN block
570  */
571 static void vcn_v5_0_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
572 {
573 	uint32_t data;
574 
575 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
576 		/* Before power off, this indicator has to be turned on */
577 		data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
578 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
579 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
580 		WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
581 
582 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT;
583 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
584 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
585 				1 << UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS__SHIFT,
586 				UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
587 
588 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT;
589 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
590 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
591 				1 << UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS__SHIFT,
592 				UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
593 
594 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT;
595 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
596 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
597 				1 << UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS__SHIFT,
598 				UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
599 
600 		data = 2 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT;
601 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG, data);
602 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
603 				1 << UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS__SHIFT,
604 				UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
605 	}
606 	return;
607 }
608 
609 /**
610  * vcn_v5_0_0_disable_clock_gating - disable VCN clock gating
611  *
612  * @adev: amdgpu_device pointer
613  * @inst: instance number
614  *
615  * Disable clock gating for VCN block
616  */
617 static void vcn_v5_0_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
618 {
619 	return;
620 }
621 
622 #if 0
623 /**
624  * vcn_v5_0_0_disable_clock_gating_dpg_mode - disable VCN clock gating dpg mode
625  *
626  * @adev: amdgpu_device pointer
627  * @sram_sel: sram select
628  * @inst_idx: instance number index
629  * @indirect: indirectly write sram
630  *
631  * Disable clock gating for VCN block with dpg mode
632  */
633 static void vcn_v5_0_0_disable_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t sram_sel,
634 	int inst_idx, uint8_t indirect)
635 {
636 	return;
637 }
638 #endif
639 
640 /**
641  * vcn_v5_0_0_enable_clock_gating - enable VCN clock gating
642  *
643  * @adev: amdgpu_device pointer
644  * @inst: instance number
645  *
646  * Enable clock gating for VCN block
647  */
648 static void vcn_v5_0_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
649 {
650 	return;
651 }
652 
653 /**
654  * vcn_v5_0_0_start_dpg_mode - VCN start with dpg mode
655  *
656  * @adev: amdgpu_device pointer
657  * @inst_idx: instance number index
658  * @indirect: indirectly write sram
659  *
660  * Start VCN block with dpg mode
661  */
662 static int vcn_v5_0_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
663 {
664 	volatile struct amdgpu_vcn5_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
665 	struct amdgpu_ring *ring;
666 	uint32_t tmp;
667 
668 	/* disable register anti-hang mechanism */
669 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 1,
670 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
671 
672 	/* enable dynamic power gating mode */
673 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS);
674 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
675 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
676 	WREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS, tmp);
677 
678 	if (indirect)
679 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
680 
681 	/* enable VCPU clock */
682 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
683 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK | UVD_VCPU_CNTL__BLK_RST_MASK;
684 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
685 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
686 
687 	/* disable master interrupt */
688 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
689 		VCN, inst_idx, regUVD_MASTINT_EN), 0, 0, indirect);
690 
691 	/* setup regUVD_LMI_CTRL */
692 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
693 		UVD_LMI_CTRL__REQ_MODE_MASK |
694 		UVD_LMI_CTRL__CRC_RESET_MASK |
695 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
696 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
697 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
698 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
699 		0x00100000L);
700 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
701 		VCN, inst_idx, regUVD_LMI_CTRL), tmp, 0, indirect);
702 
703 	vcn_v5_0_0_mc_resume_dpg_mode(adev, inst_idx, indirect);
704 
705 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
706 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
707 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
708 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
709 
710 	/* enable LMI MC and UMC channels */
711 	tmp = 0x1f << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT;
712 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
713 		VCN, inst_idx, regUVD_LMI_CTRL2), tmp, 0, indirect);
714 
715 	/* enable master interrupt */
716 	WREG32_SOC24_DPG_MODE(inst_idx, SOC24_DPG_MODE_OFFSET(
717 		VCN, inst_idx, regUVD_MASTINT_EN),
718 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
719 
720 	if (indirect)
721 		amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
722 
723 	ring = &adev->vcn.inst[inst_idx].ring_enc[0];
724 
725 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_LO, ring->gpu_addr);
726 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
727 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_SIZE, ring->ring_size / 4);
728 
729 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
730 	tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
731 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
732 	fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
733 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR, 0);
734 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, 0);
735 
736 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR);
737 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, tmp);
738 	ring->wptr = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
739 
740 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
741 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
742 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
743 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
744 
745 	WREG32_SOC15(VCN, inst_idx, regVCN_RB1_DB_CTRL,
746 		ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
747 		VCN_RB1_DB_CTRL__EN_MASK);
748 
749 	return 0;
750 }
751 
752 /**
753  * vcn_v5_0_0_start - VCN start
754  *
755  * @adev: amdgpu_device pointer
756  *
757  * Start VCN block
758  */
759 static int vcn_v5_0_0_start(struct amdgpu_device *adev)
760 {
761 	volatile struct amdgpu_vcn5_fw_shared *fw_shared;
762 	struct amdgpu_ring *ring;
763 	uint32_t tmp;
764 	int i, j, k, r;
765 
766 	if (adev->pm.dpm_enabled)
767 		amdgpu_dpm_enable_uvd(adev, true);
768 
769 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
770 		if (adev->vcn.harvest_config & (1 << i))
771 			continue;
772 
773 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
774 
775 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
776 			r = vcn_v5_0_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
777 			continue;
778 		}
779 
780 		/* disable VCN power gating */
781 		vcn_v5_0_0_disable_static_power_gating(adev, i);
782 
783 		/* set VCN status busy */
784 		tmp = RREG32_SOC15(VCN, i, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
785 		WREG32_SOC15(VCN, i, regUVD_STATUS, tmp);
786 
787 		/* enable VCPU clock */
788 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
789 			UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
790 
791 		/* disable master interrupt */
792 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN), 0,
793 			~UVD_MASTINT_EN__VCPU_EN_MASK);
794 
795 		/* enable LMI MC and UMC channels */
796 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_LMI_CTRL2), 0,
797 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
798 
799 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
800 		tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
801 		tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
802 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
803 
804 		/* setup regUVD_LMI_CTRL */
805 		tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL);
806 		WREG32_SOC15(VCN, i, regUVD_LMI_CTRL, tmp |
807 			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
808 			UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
809 			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
810 			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
811 
812 		vcn_v5_0_0_mc_resume(adev, i);
813 
814 		/* VCN global tiling registers */
815 		WREG32_SOC15(VCN, i, regUVD_GFX10_ADDR_CONFIG,
816 			adev->gfx.config.gb_addr_config);
817 
818 		/* unblock VCPU register access */
819 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL), 0,
820 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
821 
822 		/* release VCPU reset to boot */
823 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
824 			~UVD_VCPU_CNTL__BLK_RST_MASK);
825 
826 		for (j = 0; j < 10; ++j) {
827 			uint32_t status;
828 
829 			for (k = 0; k < 100; ++k) {
830 				status = RREG32_SOC15(VCN, i, regUVD_STATUS);
831 				if (status & 2)
832 					break;
833 				mdelay(10);
834 				if (amdgpu_emu_mode == 1)
835 					msleep(1);
836 			}
837 
838 			if (amdgpu_emu_mode == 1) {
839 				r = -1;
840 				if (status & 2) {
841 					r = 0;
842 					break;
843 				}
844 			} else {
845 				r = 0;
846 				if (status & 2)
847 					break;
848 
849 				dev_err(adev->dev,
850 					"VCN[%d] is not responding, trying to reset the VCPU!!!\n", i);
851 				WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
852 							UVD_VCPU_CNTL__BLK_RST_MASK,
853 							~UVD_VCPU_CNTL__BLK_RST_MASK);
854 				mdelay(10);
855 				WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
856 							~UVD_VCPU_CNTL__BLK_RST_MASK);
857 
858 				mdelay(10);
859 				r = -1;
860 			}
861 		}
862 
863 		if (r) {
864 			dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", i);
865 			return r;
866 		}
867 
868 		/* enable master interrupt */
869 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN),
870 				UVD_MASTINT_EN__VCPU_EN_MASK,
871 				~UVD_MASTINT_EN__VCPU_EN_MASK);
872 
873 		/* clear the busy bit of VCN_STATUS */
874 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_STATUS), 0,
875 			~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
876 
877 		ring = &adev->vcn.inst[i].ring_enc[0];
878 		WREG32_SOC15(VCN, i, regVCN_RB1_DB_CTRL,
879 			ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
880 			VCN_RB1_DB_CTRL__EN_MASK);
881 
882 		WREG32_SOC15(VCN, i, regUVD_RB_BASE_LO, ring->gpu_addr);
883 		WREG32_SOC15(VCN, i, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
884 		WREG32_SOC15(VCN, i, regUVD_RB_SIZE, ring->ring_size / 4);
885 
886 		tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
887 		tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
888 		WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
889 		fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
890 		WREG32_SOC15(VCN, i, regUVD_RB_RPTR, 0);
891 		WREG32_SOC15(VCN, i, regUVD_RB_WPTR, 0);
892 
893 		tmp = RREG32_SOC15(VCN, i, regUVD_RB_RPTR);
894 		WREG32_SOC15(VCN, i, regUVD_RB_WPTR, tmp);
895 		ring->wptr = RREG32_SOC15(VCN, i, regUVD_RB_WPTR);
896 
897 		tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
898 		tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
899 		WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
900 		fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
901 	}
902 
903 	return 0;
904 }
905 
906 /**
907  * vcn_v5_0_0_stop_dpg_mode - VCN stop with dpg mode
908  *
909  * @adev: amdgpu_device pointer
910  * @inst_idx: instance number index
911  *
912  * Stop VCN block with dpg mode
913  */
914 static void vcn_v5_0_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
915 {
916 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
917 	uint32_t tmp;
918 
919 	vcn_v5_0_0_pause_dpg_mode(adev, inst_idx, &state);
920 
921 	/* Wait for power status to be 1 */
922 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
923 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
924 
925 	/* wait for read ptr to be equal to write ptr */
926 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
927 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_RB_RPTR, tmp, 0xFFFFFFFF);
928 
929 	/* disable dynamic power gating mode */
930 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 0,
931 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
932 
933 	return;
934 }
935 
936 /**
937  * vcn_v5_0_0_stop - VCN stop
938  *
939  * @adev: amdgpu_device pointer
940  *
941  * Stop VCN block
942  */
943 static int vcn_v5_0_0_stop(struct amdgpu_device *adev)
944 {
945 	volatile struct amdgpu_vcn5_fw_shared *fw_shared;
946 	uint32_t tmp;
947 	int i, r = 0;
948 
949 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
950 		if (adev->vcn.harvest_config & (1 << i))
951 			continue;
952 
953 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
954 		fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
955 
956 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
957 			vcn_v5_0_0_stop_dpg_mode(adev, i);
958 			continue;
959 		}
960 
961 		/* wait for vcn idle */
962 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE, 0x7);
963 		if (r)
964 			return r;
965 
966 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
967 		      UVD_LMI_STATUS__READ_CLEAN_MASK |
968 		      UVD_LMI_STATUS__WRITE_CLEAN_MASK |
969 		      UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
970 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
971 		if (r)
972 			return r;
973 
974 		/* disable LMI UMC channel */
975 		tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL2);
976 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
977 		WREG32_SOC15(VCN, i, regUVD_LMI_CTRL2, tmp);
978 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
979 		      UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
980 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
981 		if (r)
982 			return r;
983 
984 		/* block VCPU register access */
985 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL),
986 			UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
987 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
988 
989 		/* reset VCPU */
990 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
991 			UVD_VCPU_CNTL__BLK_RST_MASK,
992 			~UVD_VCPU_CNTL__BLK_RST_MASK);
993 
994 		/* disable VCPU clock */
995 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
996 			~(UVD_VCPU_CNTL__CLK_EN_MASK));
997 
998 		/* apply soft reset */
999 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1000 		tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1001 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1002 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1003 		tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1004 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1005 
1006 		/* clear status */
1007 		WREG32_SOC15(VCN, i, regUVD_STATUS, 0);
1008 
1009 		/* enable VCN power gating */
1010 		vcn_v5_0_0_enable_static_power_gating(adev, i);
1011 	}
1012 
1013 	if (adev->pm.dpm_enabled)
1014 		amdgpu_dpm_enable_uvd(adev, false);
1015 
1016 	return 0;
1017 }
1018 
1019 /**
1020  * vcn_v5_0_0_pause_dpg_mode - VCN pause with dpg mode
1021  *
1022  * @adev: amdgpu_device pointer
1023  * @inst_idx: instance number index
1024  * @new_state: pause state
1025  *
1026  * Pause dpg mode for VCN block
1027  */
1028 static int vcn_v5_0_0_pause_dpg_mode(struct amdgpu_device *adev, int inst_idx,
1029 	struct dpg_pause_state *new_state)
1030 {
1031 	uint32_t reg_data = 0;
1032 	int ret_code;
1033 
1034 	/* pause/unpause if state is changed */
1035 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1036 		DRM_DEV_DEBUG(adev->dev, "dpg pause state changed %d -> %d",
1037 			adev->vcn.inst[inst_idx].pause_state.fw_based,  new_state->fw_based);
1038 		reg_data = RREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE) &
1039 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1040 
1041 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1042 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 0x1,
1043 					UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1044 
1045 			if (!ret_code) {
1046 				/* pause DPG */
1047 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1048 				WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1049 
1050 				/* wait for ACK */
1051 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_DPG_PAUSE,
1052 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1053 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1054 			}
1055 		} else {
1056 			/* unpause dpg, no need to wait */
1057 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1058 			WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1059 		}
1060 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1061 	}
1062 
1063 	return 0;
1064 }
1065 
1066 /**
1067  * vcn_v5_0_0_unified_ring_get_rptr - get unified read pointer
1068  *
1069  * @ring: amdgpu_ring pointer
1070  *
1071  * Returns the current hardware unified read pointer
1072  */
1073 static uint64_t vcn_v5_0_0_unified_ring_get_rptr(struct amdgpu_ring *ring)
1074 {
1075 	struct amdgpu_device *adev = ring->adev;
1076 
1077 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1078 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1079 
1080 	return RREG32_SOC15(VCN, ring->me, regUVD_RB_RPTR);
1081 }
1082 
1083 /**
1084  * vcn_v5_0_0_unified_ring_get_wptr - get unified write pointer
1085  *
1086  * @ring: amdgpu_ring pointer
1087  *
1088  * Returns the current hardware unified write pointer
1089  */
1090 static uint64_t vcn_v5_0_0_unified_ring_get_wptr(struct amdgpu_ring *ring)
1091 {
1092 	struct amdgpu_device *adev = ring->adev;
1093 
1094 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1095 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1096 
1097 	if (ring->use_doorbell)
1098 		return *ring->wptr_cpu_addr;
1099 	else
1100 		return RREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR);
1101 }
1102 
1103 /**
1104  * vcn_v5_0_0_unified_ring_set_wptr - set enc write pointer
1105  *
1106  * @ring: amdgpu_ring pointer
1107  *
1108  * Commits the enc write pointer to the hardware
1109  */
1110 static void vcn_v5_0_0_unified_ring_set_wptr(struct amdgpu_ring *ring)
1111 {
1112 	struct amdgpu_device *adev = ring->adev;
1113 
1114 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1115 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1116 
1117 	if (ring->use_doorbell) {
1118 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1119 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1120 	} else {
1121 		WREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR, lower_32_bits(ring->wptr));
1122 	}
1123 }
1124 
1125 static const struct amdgpu_ring_funcs vcn_v5_0_0_unified_ring_vm_funcs = {
1126 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1127 	.align_mask = 0x3f,
1128 	.nop = VCN_ENC_CMD_NO_OP,
1129 	.get_rptr = vcn_v5_0_0_unified_ring_get_rptr,
1130 	.get_wptr = vcn_v5_0_0_unified_ring_get_wptr,
1131 	.set_wptr = vcn_v5_0_0_unified_ring_set_wptr,
1132 	.emit_frame_size =
1133 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1134 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1135 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1136 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1137 		1, /* vcn_v2_0_enc_ring_insert_end */
1138 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1139 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1140 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1141 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1142 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1143 	.test_ib = amdgpu_vcn_unified_ring_test_ib,
1144 	.insert_nop = amdgpu_ring_insert_nop,
1145 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1146 	.pad_ib = amdgpu_ring_generic_pad_ib,
1147 	.begin_use = amdgpu_vcn_ring_begin_use,
1148 	.end_use = amdgpu_vcn_ring_end_use,
1149 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1150 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1151 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1152 };
1153 
1154 /**
1155  * vcn_v5_0_0_set_unified_ring_funcs - set unified ring functions
1156  *
1157  * @adev: amdgpu_device pointer
1158  *
1159  * Set unified ring functions
1160  */
1161 static void vcn_v5_0_0_set_unified_ring_funcs(struct amdgpu_device *adev)
1162 {
1163 	int i;
1164 
1165 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1166 		if (adev->vcn.harvest_config & (1 << i))
1167 			continue;
1168 
1169 		adev->vcn.inst[i].ring_enc[0].funcs = &vcn_v5_0_0_unified_ring_vm_funcs;
1170 		adev->vcn.inst[i].ring_enc[0].me = i;
1171 	}
1172 }
1173 
1174 /**
1175  * vcn_v5_0_0_is_idle - check VCN block is idle
1176  *
1177  * @handle: amdgpu_device pointer
1178  *
1179  * Check whether VCN block is idle
1180  */
1181 static bool vcn_v5_0_0_is_idle(void *handle)
1182 {
1183 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1184 	int i, ret = 1;
1185 
1186 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1187 		if (adev->vcn.harvest_config & (1 << i))
1188 			continue;
1189 
1190 		ret &= (RREG32_SOC15(VCN, i, regUVD_STATUS) == UVD_STATUS__IDLE);
1191 	}
1192 
1193 	return ret;
1194 }
1195 
1196 /**
1197  * vcn_v5_0_0_wait_for_idle - wait for VCN block idle
1198  *
1199  * @handle: amdgpu_device pointer
1200  *
1201  * Wait for VCN block idle
1202  */
1203 static int vcn_v5_0_0_wait_for_idle(void *handle)
1204 {
1205 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1206 	int i, ret = 0;
1207 
1208 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1209 		if (adev->vcn.harvest_config & (1 << i))
1210 			continue;
1211 
1212 		ret = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE,
1213 			UVD_STATUS__IDLE);
1214 		if (ret)
1215 			return ret;
1216 	}
1217 
1218 	return ret;
1219 }
1220 
1221 /**
1222  * vcn_v5_0_0_set_clockgating_state - set VCN block clockgating state
1223  *
1224  * @handle: amdgpu_device pointer
1225  * @state: clock gating state
1226  *
1227  * Set VCN block clockgating state
1228  */
1229 static int vcn_v5_0_0_set_clockgating_state(void *handle, enum amd_clockgating_state state)
1230 {
1231 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1232 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
1233 	int i;
1234 
1235 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1236 		if (adev->vcn.harvest_config & (1 << i))
1237 			continue;
1238 
1239 		if (enable) {
1240 			if (RREG32_SOC15(VCN, i, regUVD_STATUS) != UVD_STATUS__IDLE)
1241 				return -EBUSY;
1242 			vcn_v5_0_0_enable_clock_gating(adev, i);
1243 		} else {
1244 			vcn_v5_0_0_disable_clock_gating(adev, i);
1245 		}
1246 	}
1247 
1248 	return 0;
1249 }
1250 
1251 /**
1252  * vcn_v5_0_0_set_powergating_state - set VCN block powergating state
1253  *
1254  * @handle: amdgpu_device pointer
1255  * @state: power gating state
1256  *
1257  * Set VCN block powergating state
1258  */
1259 static int vcn_v5_0_0_set_powergating_state(void *handle, enum amd_powergating_state state)
1260 {
1261 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1262 	int ret;
1263 
1264 	if (state == adev->vcn.cur_state)
1265 		return 0;
1266 
1267 	if (state == AMD_PG_STATE_GATE)
1268 		ret = vcn_v5_0_0_stop(adev);
1269 	else
1270 		ret = vcn_v5_0_0_start(adev);
1271 
1272 	if (!ret)
1273 		adev->vcn.cur_state = state;
1274 
1275 	return ret;
1276 }
1277 
1278 /**
1279  * vcn_v5_0_0_process_interrupt - process VCN block interrupt
1280  *
1281  * @adev: amdgpu_device pointer
1282  * @source: interrupt sources
1283  * @entry: interrupt entry from clients and sources
1284  *
1285  * Process VCN block interrupt
1286  */
1287 static int vcn_v5_0_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
1288 	struct amdgpu_iv_entry *entry)
1289 {
1290 	uint32_t ip_instance;
1291 
1292 	switch (entry->client_id) {
1293 	case SOC15_IH_CLIENTID_VCN:
1294 		ip_instance = 0;
1295 		break;
1296 	case SOC15_IH_CLIENTID_VCN1:
1297 		ip_instance = 1;
1298 		break;
1299 	default:
1300 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
1301 		return 0;
1302 	}
1303 
1304 	DRM_DEBUG("IH: VCN TRAP\n");
1305 
1306 	switch (entry->src_id) {
1307 	case VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1308 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
1309 		break;
1310 	case VCN_4_0__SRCID_UVD_POISON:
1311 		amdgpu_vcn_process_poison_irq(adev, source, entry);
1312 		break;
1313 	default:
1314 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1315 			  entry->src_id, entry->src_data[0]);
1316 		break;
1317 	}
1318 
1319 	return 0;
1320 }
1321 
1322 static const struct amdgpu_irq_src_funcs vcn_v5_0_0_irq_funcs = {
1323 	.process = vcn_v5_0_0_process_interrupt,
1324 };
1325 
1326 /**
1327  * vcn_v5_0_0_set_irq_funcs - set VCN block interrupt irq functions
1328  *
1329  * @adev: amdgpu_device pointer
1330  *
1331  * Set VCN block interrupt irq functions
1332  */
1333 static void vcn_v5_0_0_set_irq_funcs(struct amdgpu_device *adev)
1334 {
1335 	int i;
1336 
1337 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1338 		if (adev->vcn.harvest_config & (1 << i))
1339 			continue;
1340 
1341 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
1342 		adev->vcn.inst[i].irq.funcs = &vcn_v5_0_0_irq_funcs;
1343 	}
1344 }
1345 
1346 static void vcn_v5_0_print_ip_state(void *handle, struct drm_printer *p)
1347 {
1348 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1349 	int i, j;
1350 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_5_0);
1351 	uint32_t inst_off, is_powered;
1352 
1353 	if (!adev->vcn.ip_dump)
1354 		return;
1355 
1356 	drm_printf(p, "num_instances:%d\n", adev->vcn.num_vcn_inst);
1357 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1358 		if (adev->vcn.harvest_config & (1 << i)) {
1359 			drm_printf(p, "\nHarvested Instance:VCN%d Skipping dump\n", i);
1360 			continue;
1361 		}
1362 
1363 		inst_off = i * reg_count;
1364 		is_powered = (adev->vcn.ip_dump[inst_off] &
1365 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
1366 
1367 		if (is_powered) {
1368 			drm_printf(p, "\nActive Instance:VCN%d\n", i);
1369 			for (j = 0; j < reg_count; j++)
1370 				drm_printf(p, "%-50s \t 0x%08x\n", vcn_reg_list_5_0[j].reg_name,
1371 					   adev->vcn.ip_dump[inst_off + j]);
1372 		} else {
1373 			drm_printf(p, "\nInactive Instance:VCN%d\n", i);
1374 		}
1375 	}
1376 }
1377 
1378 static void vcn_v5_0_dump_ip_state(void *handle)
1379 {
1380 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1381 	int i, j;
1382 	bool is_powered;
1383 	uint32_t inst_off;
1384 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_5_0);
1385 
1386 	if (!adev->vcn.ip_dump)
1387 		return;
1388 
1389 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1390 		if (adev->vcn.harvest_config & (1 << i))
1391 			continue;
1392 
1393 		inst_off = i * reg_count;
1394 		/* mmUVD_POWER_STATUS is always readable and is first element of the array */
1395 		adev->vcn.ip_dump[inst_off] = RREG32_SOC15(VCN, i, regUVD_POWER_STATUS);
1396 		is_powered = (adev->vcn.ip_dump[inst_off] &
1397 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
1398 
1399 		if (is_powered)
1400 			for (j = 1; j < reg_count; j++)
1401 				adev->vcn.ip_dump[inst_off + j] =
1402 					RREG32(SOC15_REG_ENTRY_OFFSET_INST(vcn_reg_list_5_0[j], i));
1403 	}
1404 }
1405 
1406 static const struct amd_ip_funcs vcn_v5_0_0_ip_funcs = {
1407 	.name = "vcn_v5_0_0",
1408 	.early_init = vcn_v5_0_0_early_init,
1409 	.late_init = NULL,
1410 	.sw_init = vcn_v5_0_0_sw_init,
1411 	.sw_fini = vcn_v5_0_0_sw_fini,
1412 	.hw_init = vcn_v5_0_0_hw_init,
1413 	.hw_fini = vcn_v5_0_0_hw_fini,
1414 	.suspend = vcn_v5_0_0_suspend,
1415 	.resume = vcn_v5_0_0_resume,
1416 	.is_idle = vcn_v5_0_0_is_idle,
1417 	.wait_for_idle = vcn_v5_0_0_wait_for_idle,
1418 	.check_soft_reset = NULL,
1419 	.pre_soft_reset = NULL,
1420 	.soft_reset = NULL,
1421 	.post_soft_reset = NULL,
1422 	.set_clockgating_state = vcn_v5_0_0_set_clockgating_state,
1423 	.set_powergating_state = vcn_v5_0_0_set_powergating_state,
1424 	.dump_ip_state = vcn_v5_0_dump_ip_state,
1425 	.print_ip_state = vcn_v5_0_print_ip_state,
1426 };
1427 
1428 const struct amdgpu_ip_block_version vcn_v5_0_0_ip_block = {
1429 	.type = AMD_IP_BLOCK_TYPE_VCN,
1430 	.major = 5,
1431 	.minor = 0,
1432 	.rev = 0,
1433 	.funcs = &vcn_v5_0_0_ip_funcs,
1434 };
1435