xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c (revision d07479b2)
1 /*
2  * Copyright 2021 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 "amdgpu_cs.h"
29 #include "soc15.h"
30 #include "soc15d.h"
31 #include "soc15_hw_ip.h"
32 #include "vcn_v2_0.h"
33 
34 #include "vcn/vcn_4_0_0_offset.h"
35 #include "vcn/vcn_4_0_0_sh_mask.h"
36 #include "ivsrcid/vcn/irqsrcs_vcn_4_0.h"
37 
38 #include <drm/drm_drv.h>
39 
40 #define mmUVD_DPG_LMA_CTL							regUVD_DPG_LMA_CTL
41 #define mmUVD_DPG_LMA_CTL_BASE_IDX						regUVD_DPG_LMA_CTL_BASE_IDX
42 #define mmUVD_DPG_LMA_DATA							regUVD_DPG_LMA_DATA
43 #define mmUVD_DPG_LMA_DATA_BASE_IDX						regUVD_DPG_LMA_DATA_BASE_IDX
44 
45 #define VCN_VID_SOC_ADDRESS_2_0							0x1fb00
46 #define VCN1_VID_SOC_ADDRESS_3_0						0x48300
47 
48 #define RDECODE_MSG_CREATE							0x00000000
49 #define RDECODE_MESSAGE_CREATE							0x00000001
50 
51 static int amdgpu_ih_clientid_vcns[] = {
52 	SOC15_IH_CLIENTID_VCN,
53 	SOC15_IH_CLIENTID_VCN1
54 };
55 
56 static void vcn_v4_0_set_unified_ring_funcs(struct amdgpu_device *adev);
57 static void vcn_v4_0_set_irq_funcs(struct amdgpu_device *adev);
58 static int vcn_v4_0_set_powergating_state(void *handle,
59         enum amd_powergating_state state);
60 static int vcn_v4_0_pause_dpg_mode(struct amdgpu_device *adev,
61         int inst_idx, struct dpg_pause_state *new_state);
62 
63 /**
64  * vcn_v4_0_early_init - set function pointers
65  *
66  * @handle: amdgpu_device pointer
67  *
68  * Set ring and irq function pointers
69  */
70 static int vcn_v4_0_early_init(void *handle)
71 {
72 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
73 
74 	/* re-use enc ring as unified ring */
75 	adev->vcn.num_enc_rings = 1;
76 
77 	vcn_v4_0_set_unified_ring_funcs(adev);
78 	vcn_v4_0_set_irq_funcs(adev);
79 
80 	return 0;
81 }
82 
83 /**
84  * vcn_v4_0_sw_init - sw init for VCN block
85  *
86  * @handle: amdgpu_device pointer
87  *
88  * Load firmware and sw initialization
89  */
90 static int vcn_v4_0_sw_init(void *handle)
91 {
92 	struct amdgpu_ring *ring;
93 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
94 	int i, r;
95 
96 	r = amdgpu_vcn_sw_init(adev);
97 	if (r)
98 		return r;
99 
100 	amdgpu_vcn_setup_ucode(adev);
101 
102 	r = amdgpu_vcn_resume(adev);
103 	if (r)
104 		return r;
105 
106 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
107 		volatile struct amdgpu_vcn4_fw_shared *fw_shared;
108 
109 		if (adev->vcn.harvest_config & (1 << i))
110 			continue;
111 
112 		atomic_set(&adev->vcn.inst[i].sched_score, 0);
113 
114 		/* VCN UNIFIED TRAP */
115 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
116 				VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
117 		if (r)
118 			return r;
119 
120 		ring = &adev->vcn.inst[i].ring_enc[0];
121 		ring->use_doorbell = true;
122 		ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + 8 * i;
123 
124 		sprintf(ring->name, "vcn_unified_%d", i);
125 
126 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
127 						AMDGPU_RING_PRIO_0, &adev->vcn.inst[i].sched_score);
128 		if (r)
129 			return r;
130 
131 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
132 		fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_FW_SHARED_FLAG_0_UNIFIED_QUEUE);
133 		fw_shared->sq.is_enabled = 1;
134 
135 		if (amdgpu_vcnfw_log)
136 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
137 	}
138 
139 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
140 		adev->vcn.pause_dpg_mode = vcn_v4_0_pause_dpg_mode;
141 
142 	return 0;
143 }
144 
145 /**
146  * vcn_v4_0_sw_fini - sw fini for VCN block
147  *
148  * @handle: amdgpu_device pointer
149  *
150  * VCN suspend and free up sw allocation
151  */
152 static int vcn_v4_0_sw_fini(void *handle)
153 {
154 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
155 	int i, r, idx;
156 
157 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
158 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
159 			volatile struct amdgpu_vcn4_fw_shared *fw_shared;
160 
161 			if (adev->vcn.harvest_config & (1 << i))
162 				continue;
163 
164 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
165 			fw_shared->present_flag_0 = 0;
166 			fw_shared->sq.is_enabled = 0;
167 		}
168 
169 		drm_dev_exit(idx);
170 	}
171 
172 	r = amdgpu_vcn_suspend(adev);
173 	if (r)
174 		return r;
175 
176 	r = amdgpu_vcn_sw_fini(adev);
177 
178 	return r;
179 }
180 
181 /**
182  * vcn_v4_0_hw_init - start and test VCN block
183  *
184  * @handle: amdgpu_device pointer
185  *
186  * Initialize the hardware, boot up the VCPU and do some testing
187  */
188 static int vcn_v4_0_hw_init(void *handle)
189 {
190 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
191 	struct amdgpu_ring *ring;
192 	int i, r;
193 
194 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
195 		if (adev->vcn.harvest_config & (1 << i))
196 			continue;
197 
198 		ring = &adev->vcn.inst[i].ring_enc[0];
199 
200 		adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
201 				((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i), i);
202 
203 		r = amdgpu_ring_test_helper(ring);
204 		if (r)
205 			goto done;
206 	}
207 
208 done:
209 	if (!r)
210 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
211 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
212 
213 	return r;
214 }
215 
216 /**
217  * vcn_v4_0_hw_fini - stop the hardware block
218  *
219  * @handle: amdgpu_device pointer
220  *
221  * Stop the VCN block, mark ring as not ready any more
222  */
223 static int vcn_v4_0_hw_fini(void *handle)
224 {
225 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
226 	int i;
227 
228 	cancel_delayed_work_sync(&adev->vcn.idle_work);
229 
230 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
231 		if (adev->vcn.harvest_config & (1 << i))
232 			continue;
233 
234 		if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
235                         (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
236                                 RREG32_SOC15(VCN, i, regUVD_STATUS))) {
237                         vcn_v4_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
238 		}
239 	}
240 
241 	return 0;
242 }
243 
244 /**
245  * vcn_v4_0_suspend - suspend VCN block
246  *
247  * @handle: amdgpu_device pointer
248  *
249  * HW fini and suspend VCN block
250  */
251 static int vcn_v4_0_suspend(void *handle)
252 {
253 	int r;
254 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
255 
256 	r = vcn_v4_0_hw_fini(adev);
257 	if (r)
258 		return r;
259 
260 	r = amdgpu_vcn_suspend(adev);
261 
262 	return r;
263 }
264 
265 /**
266  * vcn_v4_0_resume - resume VCN block
267  *
268  * @handle: amdgpu_device pointer
269  *
270  * Resume firmware and hw init VCN block
271  */
272 static int vcn_v4_0_resume(void *handle)
273 {
274 	int r;
275 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
276 
277 	r = amdgpu_vcn_resume(adev);
278 	if (r)
279 		return r;
280 
281 	r = vcn_v4_0_hw_init(adev);
282 
283 	return r;
284 }
285 
286 /**
287  * vcn_v4_0_mc_resume - memory controller programming
288  *
289  * @adev: amdgpu_device pointer
290  * @inst: instance number
291  *
292  * Let the VCN memory controller know it's offsets
293  */
294 static void vcn_v4_0_mc_resume(struct amdgpu_device *adev, int inst)
295 {
296 	uint32_t offset, size;
297 	const struct common_firmware_header *hdr;
298 
299 	hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
300 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
301 
302 	/* cache window 0: fw */
303 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
304 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
305 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
306 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
307 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
308 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, 0);
309 		offset = 0;
310 	} else {
311 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
312 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
313 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
314 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
315 		offset = size;
316                 WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
317 	}
318 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE0, size);
319 
320 	/* cache window 1: stack */
321 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
322 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
323 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
324 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
325 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET1, 0);
326 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
327 
328 	/* cache window 2: context */
329 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
330 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
331 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
332 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
333 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET2, 0);
334 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
335 
336 	/* non-cache window */
337 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
338 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
339 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
340 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
341 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_OFFSET0, 0);
342 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_SIZE0,
343 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)));
344 }
345 
346 /**
347  * vcn_v4_0_mc_resume_dpg_mode - memory controller programming for dpg mode
348  *
349  * @adev: amdgpu_device pointer
350  * @inst_idx: instance number index
351  * @indirect: indirectly write sram
352  *
353  * Let the VCN memory controller know it's offsets with dpg mode
354  */
355 static void vcn_v4_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
356 {
357 	uint32_t offset, size;
358 	const struct common_firmware_header *hdr;
359 	hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
360 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
361 
362 	/* cache window 0: fw */
363 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
364 		if (!indirect) {
365 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
366 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
367 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
368 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
369 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
370 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
371 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
372 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
373 		} else {
374 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
375 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
376 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
377 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
378 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
379 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
380 		}
381 		offset = 0;
382 	} else {
383 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
384 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
385 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
386 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
387 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
388 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
389 		offset = size;
390 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
391 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0),
392 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
393 	}
394 
395 	if (!indirect)
396 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
397 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
398 	else
399 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
400 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
401 
402 	/* cache window 1: stack */
403 	if (!indirect) {
404 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
405 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
406 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
407 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
408 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
409 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
410 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
411 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
412 	} else {
413 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
414 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
415 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
416 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
417 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
418 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
419 	}
420 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
421 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
422 
423 	/* cache window 2: context */
424 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
425 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
426 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
427 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
428 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
429 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
430 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
431 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
432 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
433 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
434 
435 	/* non-cache window */
436 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
437 			VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
438 			lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
439 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
440 			VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
441 			upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
442 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
443 			VCN, inst_idx, regUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
444 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
445 			VCN, inst_idx, regUVD_VCPU_NONCACHE_SIZE0),
446 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)), 0, indirect);
447 
448 	/* VCN global tiling registers */
449 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
450 		VCN, 0, regUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
451 }
452 
453 /**
454  * vcn_v4_0_disable_static_power_gating - disable VCN static power gating
455  *
456  * @adev: amdgpu_device pointer
457  * @inst: instance number
458  *
459  * Disable static power gating for VCN block
460  */
461 static void vcn_v4_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
462 {
463 	uint32_t data = 0;
464 
465 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
466 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
467 			| 1 << UVD_PGFSM_CONFIG__UVDS_PWR_CONFIG__SHIFT
468 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
469 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
470 			| 2 << UVD_PGFSM_CONFIG__UVDTC_PWR_CONFIG__SHIFT
471 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
472 			| 2 << UVD_PGFSM_CONFIG__UVDTA_PWR_CONFIG__SHIFT
473 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
474 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
475 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
476 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
477 			| 2 << UVD_PGFSM_CONFIG__UVDTB_PWR_CONFIG__SHIFT
478 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
479 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
480 
481 		WREG32_SOC15(VCN, inst, regUVD_PGFSM_CONFIG, data);
482 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_PGFSM_STATUS,
483 			UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF);
484 	} else {
485 		uint32_t value;
486 
487 		value = (inst) ? 0x2200800 : 0;
488 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
489 			| 1 << UVD_PGFSM_CONFIG__UVDS_PWR_CONFIG__SHIFT
490 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
491 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
492 			| 1 << UVD_PGFSM_CONFIG__UVDTC_PWR_CONFIG__SHIFT
493 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
494 			| 1 << UVD_PGFSM_CONFIG__UVDTA_PWR_CONFIG__SHIFT
495 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
496 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
497 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
498 			| 1 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
499 			| 1 << UVD_PGFSM_CONFIG__UVDTB_PWR_CONFIG__SHIFT
500 			| 1 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
501 			| 1 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
502 
503                 WREG32_SOC15(VCN, inst, regUVD_PGFSM_CONFIG, data);
504                 SOC15_WAIT_ON_RREG(VCN, inst, regUVD_PGFSM_STATUS, value,  0x3F3FFFFF);
505         }
506 
507         data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
508         data &= ~0x103;
509         if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
510                 data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
511                         UVD_POWER_STATUS__UVD_PG_EN_MASK;
512 
513         WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
514 
515         return;
516 }
517 
518 /**
519  * vcn_v4_0_enable_static_power_gating - enable VCN static power gating
520  *
521  * @adev: amdgpu_device pointer
522  * @inst: instance number
523  *
524  * Enable static power gating for VCN block
525  */
526 static void vcn_v4_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
527 {
528 	uint32_t data;
529 
530 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
531 		/* Before power off, this indicator has to be turned on */
532 		data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
533 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
534 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
535 		WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
536 
537 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
538 			| 2 << UVD_PGFSM_CONFIG__UVDS_PWR_CONFIG__SHIFT
539 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
540 			| 2 << UVD_PGFSM_CONFIG__UVDTC_PWR_CONFIG__SHIFT
541 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
542 			| 2 << UVD_PGFSM_CONFIG__UVDTA_PWR_CONFIG__SHIFT
543 			| 2 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
544 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
545 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
546 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
547 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
548 			| 2 << UVD_PGFSM_CONFIG__UVDTB_PWR_CONFIG__SHIFT
549 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
550 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
551 		WREG32_SOC15(VCN, inst, regUVD_PGFSM_CONFIG, data);
552 
553 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
554 			| 2 << UVD_PGFSM_STATUS__UVDS_PWR_STATUS__SHIFT
555 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
556 			| 2 << UVD_PGFSM_STATUS__UVDTC_PWR_STATUS__SHIFT
557 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
558 			| 2 << UVD_PGFSM_STATUS__UVDTA_PWR_STATUS__SHIFT
559 			| 2 << UVD_PGFSM_STATUS__UVDLM_PWR_STATUS__SHIFT
560 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
561 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
562 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
563 			| 2 << UVD_PGFSM_STATUS__UVDAB_PWR_STATUS__SHIFT
564 			| 2 << UVD_PGFSM_STATUS__UVDTB_PWR_STATUS__SHIFT
565 			| 2 << UVD_PGFSM_STATUS__UVDNA_PWR_STATUS__SHIFT
566 			| 2 << UVD_PGFSM_STATUS__UVDNB_PWR_STATUS__SHIFT);
567 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_PGFSM_STATUS, data, 0x3F3FFFFF);
568 	}
569 
570         return;
571 }
572 
573 /**
574  * vcn_v4_0_disable_clock_gating - disable VCN clock gating
575  *
576  * @adev: amdgpu_device pointer
577  * @inst: instance number
578  *
579  * Disable clock gating for VCN block
580  */
581 static void vcn_v4_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
582 {
583 	uint32_t data;
584 
585 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
586 		return;
587 
588 	/* VCN disable CGC */
589 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
590 	data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
591 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
592 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
593 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
594 
595 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_GATE);
596 	data &= ~(UVD_CGC_GATE__SYS_MASK
597 		| UVD_CGC_GATE__UDEC_MASK
598 		| UVD_CGC_GATE__MPEG2_MASK
599 		| UVD_CGC_GATE__REGS_MASK
600 		| UVD_CGC_GATE__RBC_MASK
601 		| UVD_CGC_GATE__LMI_MC_MASK
602 		| UVD_CGC_GATE__LMI_UMC_MASK
603 		| UVD_CGC_GATE__IDCT_MASK
604 		| UVD_CGC_GATE__MPRD_MASK
605 		| UVD_CGC_GATE__MPC_MASK
606 		| UVD_CGC_GATE__LBSI_MASK
607 		| UVD_CGC_GATE__LRBBM_MASK
608 		| UVD_CGC_GATE__UDEC_RE_MASK
609 		| UVD_CGC_GATE__UDEC_CM_MASK
610 		| UVD_CGC_GATE__UDEC_IT_MASK
611 		| UVD_CGC_GATE__UDEC_DB_MASK
612 		| UVD_CGC_GATE__UDEC_MP_MASK
613 		| UVD_CGC_GATE__WCB_MASK
614 		| UVD_CGC_GATE__VCPU_MASK
615 		| UVD_CGC_GATE__MMSCH_MASK);
616 
617 	WREG32_SOC15(VCN, inst, regUVD_CGC_GATE, data);
618 	SOC15_WAIT_ON_RREG(VCN, inst, regUVD_CGC_GATE, 0,  0xFFFFFFFF);
619 
620 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
621 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
622 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
623 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
624 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
625 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
626 		| UVD_CGC_CTRL__SYS_MODE_MASK
627 		| UVD_CGC_CTRL__UDEC_MODE_MASK
628 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
629 		| UVD_CGC_CTRL__REGS_MODE_MASK
630 		| UVD_CGC_CTRL__RBC_MODE_MASK
631 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
632 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
633 		| UVD_CGC_CTRL__IDCT_MODE_MASK
634 		| UVD_CGC_CTRL__MPRD_MODE_MASK
635 		| UVD_CGC_CTRL__MPC_MODE_MASK
636 		| UVD_CGC_CTRL__LBSI_MODE_MASK
637 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
638 		| UVD_CGC_CTRL__WCB_MODE_MASK
639 		| UVD_CGC_CTRL__VCPU_MODE_MASK
640 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
641 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
642 
643 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_GATE);
644 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
645 		| UVD_SUVD_CGC_GATE__SIT_MASK
646 		| UVD_SUVD_CGC_GATE__SMP_MASK
647 		| UVD_SUVD_CGC_GATE__SCM_MASK
648 		| UVD_SUVD_CGC_GATE__SDB_MASK
649 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
650 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
651 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
652 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
653 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
654 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
655 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
656 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
657 		| UVD_SUVD_CGC_GATE__SCLR_MASK
658 		| UVD_SUVD_CGC_GATE__UVD_SC_MASK
659 		| UVD_SUVD_CGC_GATE__ENT_MASK
660 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
661 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
662 		| UVD_SUVD_CGC_GATE__SITE_MASK
663 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
664 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
665 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
666 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
667 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
668 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_GATE, data);
669 
670 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL);
671 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
672 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
673 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
674 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
675 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
676 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
677 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
678 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
679 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
680 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
681 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL, data);
682 }
683 
684 /**
685  * vcn_v4_0_disable_clock_gating_dpg_mode - disable VCN clock gating dpg mode
686  *
687  * @adev: amdgpu_device pointer
688  * @sram_sel: sram select
689  * @inst_idx: instance number index
690  * @indirect: indirectly write sram
691  *
692  * Disable clock gating for VCN block with dpg mode
693  */
694 static void vcn_v4_0_disable_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t sram_sel,
695       int inst_idx, uint8_t indirect)
696 {
697 	uint32_t reg_data = 0;
698 
699 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
700 		return;
701 
702 	/* enable sw clock gating control */
703 	reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
704 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
705 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
706 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
707 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
708 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
709 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
710 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
711 		 UVD_CGC_CTRL__SYS_MODE_MASK |
712 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
713 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
714 		 UVD_CGC_CTRL__REGS_MODE_MASK |
715 		 UVD_CGC_CTRL__RBC_MODE_MASK |
716 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
717 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
718 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
719 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
720 		 UVD_CGC_CTRL__MPC_MODE_MASK |
721 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
722 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
723 		 UVD_CGC_CTRL__WCB_MODE_MASK |
724 		 UVD_CGC_CTRL__VCPU_MODE_MASK);
725 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
726 		VCN, inst_idx, regUVD_CGC_CTRL), reg_data, sram_sel, indirect);
727 
728 	/* turn off clock gating */
729 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
730 		VCN, inst_idx, regUVD_CGC_GATE), 0, sram_sel, indirect);
731 
732 	/* turn on SUVD clock gating */
733 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
734 		VCN, inst_idx, regUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
735 
736 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
737 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
738 		VCN, inst_idx, regUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
739 }
740 
741 /**
742  * vcn_v4_0_enable_clock_gating - enable VCN clock gating
743  *
744  * @adev: amdgpu_device pointer
745  * @inst: instance number
746  *
747  * Enable clock gating for VCN block
748  */
749 static void vcn_v4_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
750 {
751 	uint32_t data;
752 
753 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
754 		return;
755 
756 	/* enable VCN CGC */
757 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
758 	data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
759 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
760 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
761 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
762 
763 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
764 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
765 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
766 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
767 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
768 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
769 		| UVD_CGC_CTRL__SYS_MODE_MASK
770 		| UVD_CGC_CTRL__UDEC_MODE_MASK
771 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
772 		| UVD_CGC_CTRL__REGS_MODE_MASK
773 		| UVD_CGC_CTRL__RBC_MODE_MASK
774 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
775 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
776 		| UVD_CGC_CTRL__IDCT_MODE_MASK
777 		| UVD_CGC_CTRL__MPRD_MODE_MASK
778 		| UVD_CGC_CTRL__MPC_MODE_MASK
779 		| UVD_CGC_CTRL__LBSI_MODE_MASK
780 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
781 		| UVD_CGC_CTRL__WCB_MODE_MASK
782 		| UVD_CGC_CTRL__VCPU_MODE_MASK
783 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
784 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
785 
786 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL);
787 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
788 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
789 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
790 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
791 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
792 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
793 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
794 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
795 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
796 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
797 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL, data);
798 
799 	return;
800 }
801 
802 /**
803  * vcn_v4_0_start_dpg_mode - VCN start with dpg mode
804  *
805  * @adev: amdgpu_device pointer
806  * @inst_idx: instance number index
807  * @indirect: indirectly write sram
808  *
809  * Start VCN block with dpg mode
810  */
811 static int vcn_v4_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
812 {
813 	volatile struct amdgpu_vcn4_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
814 	struct amdgpu_ring *ring;
815 	uint32_t tmp;
816 
817 	/* disable register anti-hang mechanism */
818 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 1,
819 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
820 	/* enable dynamic power gating mode */
821 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS);
822 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
823 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
824 	WREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS, tmp);
825 
826 	if (indirect)
827 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
828 
829 	/* enable clock gating */
830 	vcn_v4_0_disable_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
831 
832 	/* enable VCPU clock */
833 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
834 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK | UVD_VCPU_CNTL__BLK_RST_MASK;
835 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
836 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
837 
838 	/* disable master interupt */
839 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
840 		VCN, inst_idx, regUVD_MASTINT_EN), 0, 0, indirect);
841 
842 	/* setup regUVD_LMI_CTRL */
843 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
844 		UVD_LMI_CTRL__REQ_MODE_MASK |
845 		UVD_LMI_CTRL__CRC_RESET_MASK |
846 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
847 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
848 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
849 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
850 		0x00100000L);
851 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
852 		VCN, inst_idx, regUVD_LMI_CTRL), tmp, 0, indirect);
853 
854 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
855 		VCN, inst_idx, regUVD_MPC_CNTL),
856 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
857 
858 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
859 		VCN, inst_idx, regUVD_MPC_SET_MUXA0),
860 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
861 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
862 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
863 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
864 
865 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
866 		VCN, inst_idx, regUVD_MPC_SET_MUXB0),
867 		 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
868 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
869 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
870 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
871 
872 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
873 		VCN, inst_idx, regUVD_MPC_SET_MUX),
874 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
875 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
876 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
877 
878 	vcn_v4_0_mc_resume_dpg_mode(adev, inst_idx, indirect);
879 
880 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
881 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
882 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
883 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
884 
885 	/* enable LMI MC and UMC channels */
886 	tmp = 0x1f << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT;
887 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
888 		VCN, inst_idx, regUVD_LMI_CTRL2), tmp, 0, indirect);
889 
890 	/* enable master interrupt */
891 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
892 		VCN, inst_idx, regUVD_MASTINT_EN),
893 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
894 
895 
896 	if (indirect)
897 		psp_update_vcn_sram(adev, inst_idx, adev->vcn.inst[inst_idx].dpg_sram_gpu_addr,
898 			(uint32_t)((uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_curr_addr -
899 				(uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr));
900 
901 	ring = &adev->vcn.inst[inst_idx].ring_enc[0];
902 
903 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_LO, ring->gpu_addr);
904 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
905 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_SIZE, ring->ring_size / 4);
906 
907 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
908 	tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
909 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
910 	fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
911 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR, 0);
912 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, 0);
913 
914 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR);
915 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, tmp);
916 	ring->wptr = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
917 
918 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
919 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
920 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
921 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
922 
923 	WREG32_SOC15(VCN, inst_idx, regVCN_RB1_DB_CTRL,
924 			ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
925 			VCN_RB1_DB_CTRL__EN_MASK);
926 
927 	return 0;
928 }
929 
930 
931 /**
932  * vcn_v4_0_start - VCN start
933  *
934  * @adev: amdgpu_device pointer
935  *
936  * Start VCN block
937  */
938 static int vcn_v4_0_start(struct amdgpu_device *adev)
939 {
940 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
941 	struct amdgpu_ring *ring;
942 	uint32_t tmp;
943 	int i, j, k, r;
944 
945 	if (adev->pm.dpm_enabled)
946 		amdgpu_dpm_enable_uvd(adev, true);
947 
948 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
949 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
950 
951 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
952 			r = vcn_v4_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
953 			continue;
954 		}
955 
956 		/* disable VCN power gating */
957 		vcn_v4_0_disable_static_power_gating(adev, i);
958 
959 		/* set VCN status busy */
960 		tmp = RREG32_SOC15(VCN, i, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
961 		WREG32_SOC15(VCN, i, regUVD_STATUS, tmp);
962 
963 		/*SW clock gating */
964 		vcn_v4_0_disable_clock_gating(adev, i);
965 
966 		/* enable VCPU clock */
967 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
968 				UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
969 
970 		/* disable master interrupt */
971 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN), 0,
972 				~UVD_MASTINT_EN__VCPU_EN_MASK);
973 
974 		/* enable LMI MC and UMC channels */
975 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_LMI_CTRL2), 0,
976 				~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
977 
978 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
979 		tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
980 		tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
981 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
982 
983 		/* setup regUVD_LMI_CTRL */
984 		tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL);
985 		WREG32_SOC15(VCN, i, regUVD_LMI_CTRL, tmp |
986 				UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
987 				UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
988 				UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
989 				UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
990 
991 		/* setup regUVD_MPC_CNTL */
992 		tmp = RREG32_SOC15(VCN, i, regUVD_MPC_CNTL);
993 		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
994 		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
995 		WREG32_SOC15(VCN, i, regUVD_MPC_CNTL, tmp);
996 
997 		/* setup UVD_MPC_SET_MUXA0 */
998 		WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUXA0,
999 				((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1000 				 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1001 				 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1002 				 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1003 
1004 		/* setup UVD_MPC_SET_MUXB0 */
1005 		WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUXB0,
1006 				((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1007 				 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1008 				 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1009 				 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1010 
1011 		/* setup UVD_MPC_SET_MUX */
1012 		WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUX,
1013 				((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1014 				 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1015 				 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1016 
1017 		vcn_v4_0_mc_resume(adev, i);
1018 
1019 		/* VCN global tiling registers */
1020 		WREG32_SOC15(VCN, i, regUVD_GFX10_ADDR_CONFIG,
1021 				adev->gfx.config.gb_addr_config);
1022 
1023 		/* unblock VCPU register access */
1024 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL), 0,
1025 				~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1026 
1027 		/* release VCPU reset to boot */
1028 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1029 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1030 
1031 		for (j = 0; j < 10; ++j) {
1032 			uint32_t status;
1033 
1034 			for (k = 0; k < 100; ++k) {
1035 				status = RREG32_SOC15(VCN, i, regUVD_STATUS);
1036 				if (status & 2)
1037 					break;
1038 				mdelay(10);
1039 				if (amdgpu_emu_mode==1)
1040 					msleep(1);
1041 			}
1042 
1043 			if (amdgpu_emu_mode==1) {
1044 				r = -1;
1045 				if (status & 2) {
1046 					r = 0;
1047 					break;
1048 				}
1049 			} else {
1050 				r = 0;
1051 				if (status & 2)
1052 					break;
1053 
1054 				dev_err(adev->dev, "VCN[%d] is not responding, trying to reset the VCPU!!!\n", i);
1055 				WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1056 							UVD_VCPU_CNTL__BLK_RST_MASK,
1057 							~UVD_VCPU_CNTL__BLK_RST_MASK);
1058 				mdelay(10);
1059 				WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1060 						~UVD_VCPU_CNTL__BLK_RST_MASK);
1061 
1062 				mdelay(10);
1063 				r = -1;
1064 			}
1065 		}
1066 
1067 		if (r) {
1068 			dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", i);
1069 			return r;
1070 		}
1071 
1072 		/* enable master interrupt */
1073 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN),
1074 				UVD_MASTINT_EN__VCPU_EN_MASK,
1075 				~UVD_MASTINT_EN__VCPU_EN_MASK);
1076 
1077 		/* clear the busy bit of VCN_STATUS */
1078 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_STATUS), 0,
1079 				~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1080 
1081 		ring = &adev->vcn.inst[i].ring_enc[0];
1082 		WREG32_SOC15(VCN, i, regVCN_RB1_DB_CTRL,
1083 				ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
1084 				VCN_RB1_DB_CTRL__EN_MASK);
1085 
1086 		WREG32_SOC15(VCN, i, regUVD_RB_BASE_LO, ring->gpu_addr);
1087 		WREG32_SOC15(VCN, i, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1088 		WREG32_SOC15(VCN, i, regUVD_RB_SIZE, ring->ring_size / 4);
1089 
1090 		tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
1091 		tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
1092 		WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
1093 		fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
1094 		WREG32_SOC15(VCN, i, regUVD_RB_RPTR, 0);
1095 		WREG32_SOC15(VCN, i, regUVD_RB_WPTR, 0);
1096 
1097 		tmp = RREG32_SOC15(VCN, i, regUVD_RB_RPTR);
1098 		WREG32_SOC15(VCN, i, regUVD_RB_WPTR, tmp);
1099 		ring->wptr = RREG32_SOC15(VCN, i, regUVD_RB_WPTR);
1100 
1101 		tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
1102 		tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
1103 		WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
1104 		fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
1105 	}
1106 
1107 	return 0;
1108 }
1109 
1110 /**
1111  * vcn_v4_0_stop_dpg_mode - VCN stop with dpg mode
1112  *
1113  * @adev: amdgpu_device pointer
1114  * @inst_idx: instance number index
1115  *
1116  * Stop VCN block with dpg mode
1117  */
1118 static void vcn_v4_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
1119 {
1120 	uint32_t tmp;
1121 
1122 	/* Wait for power status to be 1 */
1123 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
1124 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1125 
1126 	/* wait for read ptr to be equal to write ptr */
1127 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
1128 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1129 
1130 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
1131 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1132 
1133 	/* disable dynamic power gating mode */
1134 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 0,
1135 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1136 }
1137 
1138 /**
1139  * vcn_v4_0_stop - VCN stop
1140  *
1141  * @adev: amdgpu_device pointer
1142  *
1143  * Stop VCN block
1144  */
1145 static int vcn_v4_0_stop(struct amdgpu_device *adev)
1146 {
1147 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
1148 	uint32_t tmp;
1149 	int i, r = 0;
1150 
1151 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1152 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1153 		fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
1154 
1155 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1156 			vcn_v4_0_stop_dpg_mode(adev, i);
1157 			continue;
1158 		}
1159 
1160 		/* wait for vcn idle */
1161 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1162 		if (r)
1163 			return r;
1164 
1165 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1166 			UVD_LMI_STATUS__READ_CLEAN_MASK |
1167 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1168 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1169 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
1170 		if (r)
1171 			return r;
1172 
1173 		/* disable LMI UMC channel */
1174 		tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL2);
1175 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1176 		WREG32_SOC15(VCN, i, regUVD_LMI_CTRL2, tmp);
1177 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
1178 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1179 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
1180 		if (r)
1181 			return r;
1182 
1183 		/* block VCPU register access */
1184 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL),
1185 				UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1186 				~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1187 
1188 		/* reset VCPU */
1189 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1190 				UVD_VCPU_CNTL__BLK_RST_MASK,
1191 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1192 
1193 		/* disable VCPU clock */
1194 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1195 				~(UVD_VCPU_CNTL__CLK_EN_MASK));
1196 
1197 		/* apply soft reset */
1198 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1199 		tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1200 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1201 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1202 		tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1203 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1204 
1205 		/* clear status */
1206 		WREG32_SOC15(VCN, i, regUVD_STATUS, 0);
1207 
1208 		/* apply HW clock gating */
1209 		vcn_v4_0_enable_clock_gating(adev, i);
1210 
1211 		/* enable VCN power gating */
1212 		vcn_v4_0_enable_static_power_gating(adev, i);
1213 	}
1214 
1215 	if (adev->pm.dpm_enabled)
1216 		amdgpu_dpm_enable_uvd(adev, false);
1217 
1218 	return 0;
1219 }
1220 
1221 /**
1222  * vcn_v4_0_pause_dpg_mode - VCN pause with dpg mode
1223  *
1224  * @adev: amdgpu_device pointer
1225  * @inst_idx: instance number index
1226  * @new_state: pause state
1227  *
1228  * Pause dpg mode for VCN block
1229  */
1230 static int vcn_v4_0_pause_dpg_mode(struct amdgpu_device *adev, int inst_idx,
1231       struct dpg_pause_state *new_state)
1232 {
1233 	uint32_t reg_data = 0;
1234 	int ret_code;
1235 
1236 	/* pause/unpause if state is changed */
1237 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1238 		DRM_DEV_DEBUG(adev->dev, "dpg pause state changed %d -> %d",
1239 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1240 		reg_data = RREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE) &
1241 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1242 
1243 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1244 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 0x1,
1245 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1246 
1247 			if (!ret_code) {
1248 				/* pause DPG */
1249 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1250 				WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1251 
1252 				/* wait for ACK */
1253 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_DPG_PAUSE,
1254 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1255 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1256 
1257 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS,
1258 					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1259 			}
1260 		} else {
1261 			/* unpause dpg, no need to wait */
1262 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1263 			WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1264 		}
1265 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1266 	}
1267 
1268 	return 0;
1269 }
1270 
1271 /**
1272  * vcn_v4_0_unified_ring_get_rptr - get unified read pointer
1273  *
1274  * @ring: amdgpu_ring pointer
1275  *
1276  * Returns the current hardware unified read pointer
1277  */
1278 static uint64_t vcn_v4_0_unified_ring_get_rptr(struct amdgpu_ring *ring)
1279 {
1280 	struct amdgpu_device *adev = ring->adev;
1281 
1282 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1283 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1284 
1285 	return RREG32_SOC15(VCN, ring->me, regUVD_RB_RPTR);
1286 }
1287 
1288 /**
1289  * vcn_v4_0_unified_ring_get_wptr - get unified write pointer
1290  *
1291  * @ring: amdgpu_ring pointer
1292  *
1293  * Returns the current hardware unified write pointer
1294  */
1295 static uint64_t vcn_v4_0_unified_ring_get_wptr(struct amdgpu_ring *ring)
1296 {
1297 	struct amdgpu_device *adev = ring->adev;
1298 
1299 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1300 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1301 
1302 	if (ring->use_doorbell)
1303 		return *ring->wptr_cpu_addr;
1304 	else
1305 		return RREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR);
1306 }
1307 
1308 /**
1309  * vcn_v4_0_unified_ring_set_wptr - set enc write pointer
1310  *
1311  * @ring: amdgpu_ring pointer
1312  *
1313  * Commits the enc write pointer to the hardware
1314  */
1315 static void vcn_v4_0_unified_ring_set_wptr(struct amdgpu_ring *ring)
1316 {
1317 	struct amdgpu_device *adev = ring->adev;
1318 
1319 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1320 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1321 
1322 	if (ring->use_doorbell) {
1323 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1324 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1325 	} else {
1326 		WREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR, lower_32_bits(ring->wptr));
1327 	}
1328 }
1329 
1330 static int vcn_v4_0_limit_sched(struct amdgpu_cs_parser *p)
1331 {
1332 	struct drm_gpu_scheduler **scheds;
1333 
1334 	/* The create msg must be in the first IB submitted */
1335 	if (atomic_read(&p->entity->fence_seq))
1336 		return -EINVAL;
1337 
1338 	scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_ENC]
1339 		[AMDGPU_RING_PRIO_0].sched;
1340 	drm_sched_entity_modify_sched(p->entity, scheds, 1);
1341 	return 0;
1342 }
1343 
1344 static int vcn_v4_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
1345 {
1346 	struct ttm_operation_ctx ctx = { false, false };
1347 	struct amdgpu_bo_va_mapping *map;
1348 	uint32_t *msg, num_buffers;
1349 	struct amdgpu_bo *bo;
1350 	uint64_t start, end;
1351 	unsigned int i;
1352 	void *ptr;
1353 	int r;
1354 
1355 	addr &= AMDGPU_GMC_HOLE_MASK;
1356 	r = amdgpu_cs_find_mapping(p, addr, &bo, &map);
1357 	if (r) {
1358 		DRM_ERROR("Can't find BO for addr 0x%08llx\n", addr);
1359 		return r;
1360 	}
1361 
1362 	start = map->start * AMDGPU_GPU_PAGE_SIZE;
1363 	end = (map->last + 1) * AMDGPU_GPU_PAGE_SIZE;
1364 	if (addr & 0x7) {
1365 		DRM_ERROR("VCN messages must be 8 byte aligned!\n");
1366 		return -EINVAL;
1367 	}
1368 
1369 	bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
1370 	amdgpu_bo_placement_from_domain(bo, bo->allowed_domains);
1371 	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1372 	if (r) {
1373 		DRM_ERROR("Failed validating the VCN message BO (%d)!\n", r);
1374 		return r;
1375 	}
1376 
1377 	r = amdgpu_bo_kmap(bo, &ptr);
1378 	if (r) {
1379 		DRM_ERROR("Failed mapping the VCN message (%d)!\n", r);
1380 		return r;
1381 	}
1382 
1383 	msg = ptr + addr - start;
1384 
1385 	/* Check length */
1386 	if (msg[1] > end - addr) {
1387 		r = -EINVAL;
1388 		goto out;
1389 	}
1390 
1391 	if (msg[3] != RDECODE_MSG_CREATE)
1392 		goto out;
1393 
1394 	num_buffers = msg[2];
1395 	for (i = 0, msg = &msg[6]; i < num_buffers; ++i, msg += 4) {
1396 		uint32_t offset, size, *create;
1397 
1398 		if (msg[0] != RDECODE_MESSAGE_CREATE)
1399 			continue;
1400 
1401 		offset = msg[1];
1402 		size = msg[2];
1403 
1404 		if (offset + size > end) {
1405 			r = -EINVAL;
1406 			goto out;
1407 		}
1408 
1409 		create = ptr + addr + offset - start;
1410 
1411 		/* H246, HEVC and VP9 can run on any instance */
1412 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
1413 			continue;
1414 
1415 		r = vcn_v4_0_limit_sched(p);
1416 		if (r)
1417 			goto out;
1418 	}
1419 
1420 out:
1421 	amdgpu_bo_kunmap(bo);
1422 	return r;
1423 }
1424 
1425 #define RADEON_VCN_ENGINE_TYPE_DECODE                                 (0x00000003)
1426 
1427 static int vcn_v4_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
1428 				struct amdgpu_job *job,
1429 				struct amdgpu_ib *ib)
1430 {
1431 	struct amdgpu_ring *ring = to_amdgpu_ring(p->entity->rq->sched);
1432 	struct amdgpu_vcn_decode_buffer *decode_buffer = NULL;
1433 	uint32_t val;
1434 	int r = 0;
1435 
1436 	/* The first instance can decode anything */
1437 	if (!ring->me)
1438 		return r;
1439 
1440 	/* unified queue ib header has 8 double words. */
1441 	if (ib->length_dw < 8)
1442 		return r;
1443 
1444 	val = amdgpu_ib_get_value(ib, 6); //RADEON_VCN_ENGINE_TYPE
1445 
1446 	if (val == RADEON_VCN_ENGINE_TYPE_DECODE) {
1447 		decode_buffer = (struct amdgpu_vcn_decode_buffer *)&ib->ptr[10];
1448 
1449 		if (decode_buffer->valid_buf_flag  & 0x1)
1450 			r = vcn_v4_0_dec_msg(p, ((u64)decode_buffer->msg_buffer_address_hi) << 32 |
1451 						decode_buffer->msg_buffer_address_lo);
1452 	}
1453 	return r;
1454 }
1455 
1456 static const struct amdgpu_ring_funcs vcn_v4_0_unified_ring_vm_funcs = {
1457 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1458 	.align_mask = 0x3f,
1459 	.nop = VCN_ENC_CMD_NO_OP,
1460 	.vmhub = AMDGPU_MMHUB_0,
1461 	.get_rptr = vcn_v4_0_unified_ring_get_rptr,
1462 	.get_wptr = vcn_v4_0_unified_ring_get_wptr,
1463 	.set_wptr = vcn_v4_0_unified_ring_set_wptr,
1464 	.patch_cs_in_place = vcn_v4_0_ring_patch_cs_in_place,
1465 	.emit_frame_size =
1466 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1467 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1468 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1469 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1470 		1, /* vcn_v2_0_enc_ring_insert_end */
1471 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1472 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1473 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1474 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1475 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1476 	.test_ib = amdgpu_vcn_unified_ring_test_ib,
1477 	.insert_nop = amdgpu_ring_insert_nop,
1478 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1479 	.pad_ib = amdgpu_ring_generic_pad_ib,
1480 	.begin_use = amdgpu_vcn_ring_begin_use,
1481 	.end_use = amdgpu_vcn_ring_end_use,
1482 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1483 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1484 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1485 };
1486 
1487 /**
1488  * vcn_v4_0_set_unified_ring_funcs - set unified ring functions
1489  *
1490  * @adev: amdgpu_device pointer
1491  *
1492  * Set unified ring functions
1493  */
1494 static void vcn_v4_0_set_unified_ring_funcs(struct amdgpu_device *adev)
1495 {
1496 	int i;
1497 
1498 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1499 		if (adev->vcn.harvest_config & (1 << i))
1500 			continue;
1501 
1502 		adev->vcn.inst[i].ring_enc[0].funcs = &vcn_v4_0_unified_ring_vm_funcs;
1503 		adev->vcn.inst[i].ring_enc[0].me = i;
1504 
1505 		DRM_INFO("VCN(%d) encode/decode are enabled in VM mode\n", i);
1506 	}
1507 }
1508 
1509 /**
1510  * vcn_v4_0_is_idle - check VCN block is idle
1511  *
1512  * @handle: amdgpu_device pointer
1513  *
1514  * Check whether VCN block is idle
1515  */
1516 static bool vcn_v4_0_is_idle(void *handle)
1517 {
1518 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1519 	int i, ret = 1;
1520 
1521 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1522 		if (adev->vcn.harvest_config & (1 << i))
1523 			continue;
1524 
1525 		ret &= (RREG32_SOC15(VCN, i, regUVD_STATUS) == UVD_STATUS__IDLE);
1526 	}
1527 
1528 	return ret;
1529 }
1530 
1531 /**
1532  * vcn_v4_0_wait_for_idle - wait for VCN block idle
1533  *
1534  * @handle: amdgpu_device pointer
1535  *
1536  * Wait for VCN block idle
1537  */
1538 static int vcn_v4_0_wait_for_idle(void *handle)
1539 {
1540 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1541 	int i, ret = 0;
1542 
1543 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1544 		if (adev->vcn.harvest_config & (1 << i))
1545 			continue;
1546 
1547 		ret = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE,
1548 			UVD_STATUS__IDLE);
1549 		if (ret)
1550 			return ret;
1551 	}
1552 
1553 	return ret;
1554 }
1555 
1556 /**
1557  * vcn_v4_0_set_clockgating_state - set VCN block clockgating state
1558  *
1559  * @handle: amdgpu_device pointer
1560  * @state: clock gating state
1561  *
1562  * Set VCN block clockgating state
1563  */
1564 static int vcn_v4_0_set_clockgating_state(void *handle, enum amd_clockgating_state state)
1565 {
1566 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1567 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
1568 	int i;
1569 
1570 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1571 		if (adev->vcn.harvest_config & (1 << i))
1572 			continue;
1573 
1574 		if (enable) {
1575 			if (RREG32_SOC15(VCN, i, regUVD_STATUS) != UVD_STATUS__IDLE)
1576 				return -EBUSY;
1577 			vcn_v4_0_enable_clock_gating(adev, i);
1578 		} else {
1579 			vcn_v4_0_disable_clock_gating(adev, i);
1580 		}
1581 	}
1582 
1583 	return 0;
1584 }
1585 
1586 /**
1587  * vcn_v4_0_set_powergating_state - set VCN block powergating state
1588  *
1589  * @handle: amdgpu_device pointer
1590  * @state: power gating state
1591  *
1592  * Set VCN block powergating state
1593  */
1594 static int vcn_v4_0_set_powergating_state(void *handle, enum amd_powergating_state state)
1595 {
1596 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1597 	int ret;
1598 
1599 	if(state == adev->vcn.cur_state)
1600 		return 0;
1601 
1602 	if (state == AMD_PG_STATE_GATE)
1603 		ret = vcn_v4_0_stop(adev);
1604 	else
1605 		ret = vcn_v4_0_start(adev);
1606 
1607 	if(!ret)
1608 		adev->vcn.cur_state = state;
1609 
1610 	return ret;
1611 }
1612 
1613 /**
1614  * vcn_v4_0_set_interrupt_state - set VCN block interrupt state
1615  *
1616  * @adev: amdgpu_device pointer
1617  * @source: interrupt sources
1618  * @type: interrupt types
1619  * @state: interrupt states
1620  *
1621  * Set VCN block interrupt state
1622  */
1623 static int vcn_v4_0_set_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
1624       unsigned type, enum amdgpu_interrupt_state state)
1625 {
1626 	return 0;
1627 }
1628 
1629 /**
1630  * vcn_v4_0_process_interrupt - process VCN block interrupt
1631  *
1632  * @adev: amdgpu_device pointer
1633  * @source: interrupt sources
1634  * @entry: interrupt entry from clients and sources
1635  *
1636  * Process VCN block interrupt
1637  */
1638 static int vcn_v4_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
1639       struct amdgpu_iv_entry *entry)
1640 {
1641 	uint32_t ip_instance;
1642 
1643 	switch (entry->client_id) {
1644 	case SOC15_IH_CLIENTID_VCN:
1645 		ip_instance = 0;
1646 		break;
1647 	case SOC15_IH_CLIENTID_VCN1:
1648 		ip_instance = 1;
1649 		break;
1650 	default:
1651 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
1652 		return 0;
1653 	}
1654 
1655 	DRM_DEBUG("IH: VCN TRAP\n");
1656 
1657 	switch (entry->src_id) {
1658 	case VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1659 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
1660 		break;
1661 	default:
1662 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1663 			  entry->src_id, entry->src_data[0]);
1664 		break;
1665 	}
1666 
1667 	return 0;
1668 }
1669 
1670 static const struct amdgpu_irq_src_funcs vcn_v4_0_irq_funcs = {
1671 	.set = vcn_v4_0_set_interrupt_state,
1672 	.process = vcn_v4_0_process_interrupt,
1673 };
1674 
1675 /**
1676  * vcn_v4_0_set_irq_funcs - set VCN block interrupt irq functions
1677  *
1678  * @adev: amdgpu_device pointer
1679  *
1680  * Set VCN block interrupt irq functions
1681  */
1682 static void vcn_v4_0_set_irq_funcs(struct amdgpu_device *adev)
1683 {
1684 	int i;
1685 
1686 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1687 		if (adev->vcn.harvest_config & (1 << i))
1688 			continue;
1689 
1690 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
1691 		adev->vcn.inst[i].irq.funcs = &vcn_v4_0_irq_funcs;
1692 	}
1693 }
1694 
1695 static const struct amd_ip_funcs vcn_v4_0_ip_funcs = {
1696 	.name = "vcn_v4_0",
1697 	.early_init = vcn_v4_0_early_init,
1698 	.late_init = NULL,
1699 	.sw_init = vcn_v4_0_sw_init,
1700 	.sw_fini = vcn_v4_0_sw_fini,
1701 	.hw_init = vcn_v4_0_hw_init,
1702 	.hw_fini = vcn_v4_0_hw_fini,
1703 	.suspend = vcn_v4_0_suspend,
1704 	.resume = vcn_v4_0_resume,
1705 	.is_idle = vcn_v4_0_is_idle,
1706 	.wait_for_idle = vcn_v4_0_wait_for_idle,
1707 	.check_soft_reset = NULL,
1708 	.pre_soft_reset = NULL,
1709 	.soft_reset = NULL,
1710 	.post_soft_reset = NULL,
1711 	.set_clockgating_state = vcn_v4_0_set_clockgating_state,
1712 	.set_powergating_state = vcn_v4_0_set_powergating_state,
1713 };
1714 
1715 const struct amdgpu_ip_block_version vcn_v4_0_ip_block =
1716 {
1717 	.type = AMD_IP_BLOCK_TYPE_VCN,
1718 	.major = 4,
1719 	.minor = 0,
1720 	.rev = 0,
1721 	.funcs = &vcn_v4_0_ip_funcs,
1722 };
1723