xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c (revision 5a558f369ef89c6fd8170ee1137274fcc08517ae)
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 #include "mmsch_v4_0.h"
34 #include "vcn_v4_0.h"
35 
36 #include "vcn/vcn_4_0_0_offset.h"
37 #include "vcn/vcn_4_0_0_sh_mask.h"
38 #include "ivsrcid/vcn/irqsrcs_vcn_4_0.h"
39 
40 #include <drm/drm_drv.h>
41 
42 #define mmUVD_DPG_LMA_CTL							regUVD_DPG_LMA_CTL
43 #define mmUVD_DPG_LMA_CTL_BASE_IDX						regUVD_DPG_LMA_CTL_BASE_IDX
44 #define mmUVD_DPG_LMA_DATA							regUVD_DPG_LMA_DATA
45 #define mmUVD_DPG_LMA_DATA_BASE_IDX						regUVD_DPG_LMA_DATA_BASE_IDX
46 
47 #define VCN_VID_SOC_ADDRESS_2_0							0x1fb00
48 #define VCN1_VID_SOC_ADDRESS_3_0						0x48300
49 
50 #define VCN_HARVEST_MMSCH								0
51 
52 #define RDECODE_MSG_CREATE							0x00000000
53 #define RDECODE_MESSAGE_CREATE							0x00000001
54 
55 static int amdgpu_ih_clientid_vcns[] = {
56 	SOC15_IH_CLIENTID_VCN,
57 	SOC15_IH_CLIENTID_VCN1
58 };
59 
60 static int vcn_v4_0_start_sriov(struct amdgpu_device *adev);
61 static void vcn_v4_0_set_unified_ring_funcs(struct amdgpu_device *adev);
62 static void vcn_v4_0_set_irq_funcs(struct amdgpu_device *adev);
63 static int vcn_v4_0_set_powergating_state(void *handle,
64         enum amd_powergating_state state);
65 static int vcn_v4_0_pause_dpg_mode(struct amdgpu_device *adev,
66         int inst_idx, struct dpg_pause_state *new_state);
67 static void vcn_v4_0_unified_ring_set_wptr(struct amdgpu_ring *ring);
68 static void vcn_v4_0_set_ras_funcs(struct amdgpu_device *adev);
69 
70 /**
71  * vcn_v4_0_early_init - set function pointers and load microcode
72  *
73  * @handle: amdgpu_device pointer
74  *
75  * Set ring and irq function pointers
76  * Load microcode from filesystem
77  */
78 static int vcn_v4_0_early_init(void *handle)
79 {
80 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
81 	int i;
82 
83 	if (amdgpu_sriov_vf(adev)) {
84 		adev->vcn.harvest_config = VCN_HARVEST_MMSCH;
85 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
86 			if (amdgpu_vcn_is_disabled_vcn(adev, VCN_ENCODE_RING, i)) {
87 				adev->vcn.harvest_config |= 1 << i;
88 				dev_info(adev->dev, "VCN%d is disabled by hypervisor\n", i);
89 			}
90 		}
91 	}
92 
93 	/* re-use enc ring as unified ring */
94 	adev->vcn.num_enc_rings = 1;
95 
96 	vcn_v4_0_set_unified_ring_funcs(adev);
97 	vcn_v4_0_set_irq_funcs(adev);
98 	vcn_v4_0_set_ras_funcs(adev);
99 
100 	return amdgpu_vcn_early_init(adev);
101 }
102 
103 static int vcn_v4_0_fw_shared_init(struct amdgpu_device *adev, int inst_idx)
104 {
105 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
106 
107 	fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
108 	fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_FW_SHARED_FLAG_0_UNIFIED_QUEUE);
109 	fw_shared->sq.is_enabled = 1;
110 
111 	fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_SMU_DPM_INTERFACE_FLAG);
112 	fw_shared->smu_dpm_interface.smu_interface_type = (adev->flags & AMD_IS_APU) ?
113 		AMDGPU_VCN_SMU_DPM_INTERFACE_APU : AMDGPU_VCN_SMU_DPM_INTERFACE_DGPU;
114 
115 	if (amdgpu_ip_version(adev, VCN_HWIP, 0) ==
116 	    IP_VERSION(4, 0, 2)) {
117 		fw_shared->present_flag_0 |= AMDGPU_FW_SHARED_FLAG_0_DRM_KEY_INJECT;
118 		fw_shared->drm_key_wa.method =
119 			AMDGPU_DRM_KEY_INJECT_WORKAROUND_VCNFW_ASD_HANDSHAKING;
120 	}
121 
122 	if (amdgpu_vcnfw_log)
123 		amdgpu_vcn_fwlog_init(&adev->vcn.inst[inst_idx]);
124 
125 	return 0;
126 }
127 
128 /**
129  * vcn_v4_0_sw_init - sw init for VCN block
130  *
131  * @handle: amdgpu_device pointer
132  *
133  * Load firmware and sw initialization
134  */
135 static int vcn_v4_0_sw_init(void *handle)
136 {
137 	struct amdgpu_ring *ring;
138 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
139 	int i, r;
140 
141 	r = amdgpu_vcn_sw_init(adev);
142 	if (r)
143 		return r;
144 
145 	amdgpu_vcn_setup_ucode(adev);
146 
147 	r = amdgpu_vcn_resume(adev);
148 	if (r)
149 		return r;
150 
151 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
152 		if (adev->vcn.harvest_config & (1 << i))
153 			continue;
154 
155 		/* Init instance 0 sched_score to 1, so it's scheduled after other instances */
156 		if (i == 0)
157 			atomic_set(&adev->vcn.inst[i].sched_score, 1);
158 		else
159 			atomic_set(&adev->vcn.inst[i].sched_score, 0);
160 
161 		/* VCN UNIFIED TRAP */
162 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
163 				VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
164 		if (r)
165 			return r;
166 
167 		/* VCN POISON TRAP */
168 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
169 				VCN_4_0__SRCID_UVD_POISON, &adev->vcn.inst[i].ras_poison_irq);
170 		if (r)
171 			return r;
172 
173 		ring = &adev->vcn.inst[i].ring_enc[0];
174 		ring->use_doorbell = true;
175 		if (amdgpu_sriov_vf(adev))
176 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + i * (adev->vcn.num_enc_rings + 1) + 1;
177 		else
178 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + 8 * i;
179 		ring->vm_hub = AMDGPU_MMHUB0(0);
180 		sprintf(ring->name, "vcn_unified_%d", i);
181 
182 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
183 						AMDGPU_RING_PRIO_0, &adev->vcn.inst[i].sched_score);
184 		if (r)
185 			return r;
186 
187 		vcn_v4_0_fw_shared_init(adev, i);
188 	}
189 
190 	if (amdgpu_sriov_vf(adev)) {
191 		r = amdgpu_virt_alloc_mm_table(adev);
192 		if (r)
193 			return r;
194 	}
195 
196 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
197 		adev->vcn.pause_dpg_mode = vcn_v4_0_pause_dpg_mode;
198 
199 	r = amdgpu_vcn_ras_sw_init(adev);
200 	if (r)
201 		return r;
202 
203 	return 0;
204 }
205 
206 /**
207  * vcn_v4_0_sw_fini - sw fini for VCN block
208  *
209  * @handle: amdgpu_device pointer
210  *
211  * VCN suspend and free up sw allocation
212  */
213 static int vcn_v4_0_sw_fini(void *handle)
214 {
215 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
216 	int i, r, idx;
217 
218 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
219 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
220 			volatile struct amdgpu_vcn4_fw_shared *fw_shared;
221 
222 			if (adev->vcn.harvest_config & (1 << i))
223 				continue;
224 
225 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
226 			fw_shared->present_flag_0 = 0;
227 			fw_shared->sq.is_enabled = 0;
228 		}
229 
230 		drm_dev_exit(idx);
231 	}
232 
233 	if (amdgpu_sriov_vf(adev))
234 		amdgpu_virt_free_mm_table(adev);
235 
236 	r = amdgpu_vcn_suspend(adev);
237 	if (r)
238 		return r;
239 
240 	r = amdgpu_vcn_sw_fini(adev);
241 
242 	return r;
243 }
244 
245 /**
246  * vcn_v4_0_hw_init - start and test VCN block
247  *
248  * @handle: amdgpu_device pointer
249  *
250  * Initialize the hardware, boot up the VCPU and do some testing
251  */
252 static int vcn_v4_0_hw_init(void *handle)
253 {
254 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
255 	struct amdgpu_ring *ring;
256 	int i, r;
257 
258 	if (amdgpu_sriov_vf(adev)) {
259 		r = vcn_v4_0_start_sriov(adev);
260 		if (r)
261 			goto done;
262 
263 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
264 			if (adev->vcn.harvest_config & (1 << i))
265 				continue;
266 
267 			ring = &adev->vcn.inst[i].ring_enc[0];
268 			ring->wptr = 0;
269 			ring->wptr_old = 0;
270 			vcn_v4_0_unified_ring_set_wptr(ring);
271 			ring->sched.ready = true;
272 
273 		}
274 	} else {
275 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
276 			if (adev->vcn.harvest_config & (1 << i))
277 				continue;
278 
279 			ring = &adev->vcn.inst[i].ring_enc[0];
280 
281 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
282 					((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i), i);
283 
284 			r = amdgpu_ring_test_helper(ring);
285 			if (r)
286 				goto done;
287 
288 		}
289 	}
290 
291 	return 0;
292 done:
293 	if (!r)
294 		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
295 			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
296 
297 	return r;
298 }
299 
300 /**
301  * vcn_v4_0_hw_fini - stop the hardware block
302  *
303  * @handle: amdgpu_device pointer
304  *
305  * Stop the VCN block, mark ring as not ready any more
306  */
307 static int vcn_v4_0_hw_fini(void *handle)
308 {
309 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
310 	int i;
311 
312 	cancel_delayed_work_sync(&adev->vcn.idle_work);
313 
314 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
315 		if (adev->vcn.harvest_config & (1 << i))
316 			continue;
317 		if (!amdgpu_sriov_vf(adev)) {
318 			if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
319                         (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
320                                 RREG32_SOC15(VCN, i, regUVD_STATUS))) {
321                         vcn_v4_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
322 			}
323 		}
324 		if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__VCN))
325 			amdgpu_irq_put(adev, &adev->vcn.inst[i].ras_poison_irq, 0);
326 	}
327 
328 	return 0;
329 }
330 
331 /**
332  * vcn_v4_0_suspend - suspend VCN block
333  *
334  * @handle: amdgpu_device pointer
335  *
336  * HW fini and suspend VCN block
337  */
338 static int vcn_v4_0_suspend(void *handle)
339 {
340 	int r;
341 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
342 
343 	r = vcn_v4_0_hw_fini(adev);
344 	if (r)
345 		return r;
346 
347 	r = amdgpu_vcn_suspend(adev);
348 
349 	return r;
350 }
351 
352 /**
353  * vcn_v4_0_resume - resume VCN block
354  *
355  * @handle: amdgpu_device pointer
356  *
357  * Resume firmware and hw init VCN block
358  */
359 static int vcn_v4_0_resume(void *handle)
360 {
361 	int r;
362 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
363 
364 	r = amdgpu_vcn_resume(adev);
365 	if (r)
366 		return r;
367 
368 	r = vcn_v4_0_hw_init(adev);
369 
370 	return r;
371 }
372 
373 /**
374  * vcn_v4_0_mc_resume - memory controller programming
375  *
376  * @adev: amdgpu_device pointer
377  * @inst: instance number
378  *
379  * Let the VCN memory controller know it's offsets
380  */
381 static void vcn_v4_0_mc_resume(struct amdgpu_device *adev, int inst)
382 {
383 	uint32_t offset, size;
384 	const struct common_firmware_header *hdr;
385 
386 	hdr = (const struct common_firmware_header *)adev->vcn.fw[inst]->data;
387 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
388 
389 	/* cache window 0: fw */
390 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
391 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
392 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
393 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
394 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
395 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, 0);
396 		offset = 0;
397 	} else {
398 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
399 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
400 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
401 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
402 		offset = size;
403                 WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
404 	}
405 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE0, size);
406 
407 	/* cache window 1: stack */
408 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
409 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
410 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
411 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
412 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET1, 0);
413 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
414 
415 	/* cache window 2: context */
416 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
417 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
418 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
419 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
420 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET2, 0);
421 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
422 
423 	/* non-cache window */
424 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
425 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
426 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
427 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
428 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_OFFSET0, 0);
429 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_SIZE0,
430 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)));
431 }
432 
433 /**
434  * vcn_v4_0_mc_resume_dpg_mode - memory controller programming for dpg mode
435  *
436  * @adev: amdgpu_device pointer
437  * @inst_idx: instance number index
438  * @indirect: indirectly write sram
439  *
440  * Let the VCN memory controller know it's offsets with dpg mode
441  */
442 static void vcn_v4_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
443 {
444 	uint32_t offset, size;
445 	const struct common_firmware_header *hdr;
446 	hdr = (const struct common_firmware_header *)adev->vcn.fw[inst_idx]->data;
447 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
448 
449 	/* cache window 0: fw */
450 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
451 		if (!indirect) {
452 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
453 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
454 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
455 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
456 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
457 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
458 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
459 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
460 		} else {
461 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
462 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
463 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
464 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
465 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
466 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
467 		}
468 		offset = 0;
469 	} else {
470 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
471 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
472 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
473 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
474 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
475 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
476 		offset = size;
477 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
478 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0),
479 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
480 	}
481 
482 	if (!indirect)
483 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
484 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
485 	else
486 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
487 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
488 
489 	/* cache window 1: stack */
490 	if (!indirect) {
491 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
492 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
493 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
494 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
495 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
496 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
497 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
498 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
499 	} else {
500 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
501 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
502 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
503 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
504 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
505 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
506 	}
507 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
508 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
509 
510 	/* cache window 2: context */
511 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
512 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
513 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
514 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
515 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
516 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
517 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
518 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
519 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
520 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
521 
522 	/* non-cache window */
523 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
524 			VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
525 			lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
526 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
527 			VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
528 			upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
529 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
530 			VCN, inst_idx, regUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
531 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
532 			VCN, inst_idx, regUVD_VCPU_NONCACHE_SIZE0),
533 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)), 0, indirect);
534 
535 	/* VCN global tiling registers */
536 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
537 		VCN, 0, regUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
538 }
539 
540 /**
541  * vcn_v4_0_disable_static_power_gating - disable VCN static power gating
542  *
543  * @adev: amdgpu_device pointer
544  * @inst: instance number
545  *
546  * Disable static power gating for VCN block
547  */
548 static void vcn_v4_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
549 {
550 	uint32_t data = 0;
551 
552 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
553 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
554 			| 1 << UVD_PGFSM_CONFIG__UVDS_PWR_CONFIG__SHIFT
555 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
556 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
557 			| 2 << UVD_PGFSM_CONFIG__UVDTC_PWR_CONFIG__SHIFT
558 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
559 			| 2 << UVD_PGFSM_CONFIG__UVDTA_PWR_CONFIG__SHIFT
560 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
561 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
562 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
563 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
564 			| 2 << UVD_PGFSM_CONFIG__UVDTB_PWR_CONFIG__SHIFT
565 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
566 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
567 
568 		WREG32_SOC15(VCN, inst, regUVD_PGFSM_CONFIG, data);
569 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_PGFSM_STATUS,
570 			UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF);
571 	} else {
572 		uint32_t value;
573 
574 		value = (inst) ? 0x2200800 : 0;
575 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
576 			| 1 << UVD_PGFSM_CONFIG__UVDS_PWR_CONFIG__SHIFT
577 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
578 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
579 			| 1 << UVD_PGFSM_CONFIG__UVDTC_PWR_CONFIG__SHIFT
580 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
581 			| 1 << UVD_PGFSM_CONFIG__UVDTA_PWR_CONFIG__SHIFT
582 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
583 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
584 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
585 			| 1 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
586 			| 1 << UVD_PGFSM_CONFIG__UVDTB_PWR_CONFIG__SHIFT
587 			| 1 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
588 			| 1 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
589 
590                 WREG32_SOC15(VCN, inst, regUVD_PGFSM_CONFIG, data);
591                 SOC15_WAIT_ON_RREG(VCN, inst, regUVD_PGFSM_STATUS, value,  0x3F3FFFFF);
592         }
593 
594         data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
595         data &= ~0x103;
596         if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
597                 data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
598                         UVD_POWER_STATUS__UVD_PG_EN_MASK;
599 
600         WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
601 
602         return;
603 }
604 
605 /**
606  * vcn_v4_0_enable_static_power_gating - enable VCN static power gating
607  *
608  * @adev: amdgpu_device pointer
609  * @inst: instance number
610  *
611  * Enable static power gating for VCN block
612  */
613 static void vcn_v4_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
614 {
615 	uint32_t data;
616 
617 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
618 		/* Before power off, this indicator has to be turned on */
619 		data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
620 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
621 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
622 		WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
623 
624 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
625 			| 2 << UVD_PGFSM_CONFIG__UVDS_PWR_CONFIG__SHIFT
626 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
627 			| 2 << UVD_PGFSM_CONFIG__UVDTC_PWR_CONFIG__SHIFT
628 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
629 			| 2 << UVD_PGFSM_CONFIG__UVDTA_PWR_CONFIG__SHIFT
630 			| 2 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
631 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
632 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
633 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
634 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
635 			| 2 << UVD_PGFSM_CONFIG__UVDTB_PWR_CONFIG__SHIFT
636 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
637 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
638 		WREG32_SOC15(VCN, inst, regUVD_PGFSM_CONFIG, data);
639 
640 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
641 			| 2 << UVD_PGFSM_STATUS__UVDS_PWR_STATUS__SHIFT
642 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
643 			| 2 << UVD_PGFSM_STATUS__UVDTC_PWR_STATUS__SHIFT
644 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
645 			| 2 << UVD_PGFSM_STATUS__UVDTA_PWR_STATUS__SHIFT
646 			| 2 << UVD_PGFSM_STATUS__UVDLM_PWR_STATUS__SHIFT
647 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
648 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
649 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
650 			| 2 << UVD_PGFSM_STATUS__UVDAB_PWR_STATUS__SHIFT
651 			| 2 << UVD_PGFSM_STATUS__UVDTB_PWR_STATUS__SHIFT
652 			| 2 << UVD_PGFSM_STATUS__UVDNA_PWR_STATUS__SHIFT
653 			| 2 << UVD_PGFSM_STATUS__UVDNB_PWR_STATUS__SHIFT);
654 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_PGFSM_STATUS, data, 0x3F3FFFFF);
655 	}
656 
657         return;
658 }
659 
660 /**
661  * vcn_v4_0_disable_clock_gating - disable VCN clock gating
662  *
663  * @adev: amdgpu_device pointer
664  * @inst: instance number
665  *
666  * Disable clock gating for VCN block
667  */
668 static void vcn_v4_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
669 {
670 	uint32_t data;
671 
672 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
673 		return;
674 
675 	/* VCN disable CGC */
676 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
677 	data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
678 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
679 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
680 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
681 
682 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_GATE);
683 	data &= ~(UVD_CGC_GATE__SYS_MASK
684 		| UVD_CGC_GATE__UDEC_MASK
685 		| UVD_CGC_GATE__MPEG2_MASK
686 		| UVD_CGC_GATE__REGS_MASK
687 		| UVD_CGC_GATE__RBC_MASK
688 		| UVD_CGC_GATE__LMI_MC_MASK
689 		| UVD_CGC_GATE__LMI_UMC_MASK
690 		| UVD_CGC_GATE__IDCT_MASK
691 		| UVD_CGC_GATE__MPRD_MASK
692 		| UVD_CGC_GATE__MPC_MASK
693 		| UVD_CGC_GATE__LBSI_MASK
694 		| UVD_CGC_GATE__LRBBM_MASK
695 		| UVD_CGC_GATE__UDEC_RE_MASK
696 		| UVD_CGC_GATE__UDEC_CM_MASK
697 		| UVD_CGC_GATE__UDEC_IT_MASK
698 		| UVD_CGC_GATE__UDEC_DB_MASK
699 		| UVD_CGC_GATE__UDEC_MP_MASK
700 		| UVD_CGC_GATE__WCB_MASK
701 		| UVD_CGC_GATE__VCPU_MASK
702 		| UVD_CGC_GATE__MMSCH_MASK);
703 
704 	WREG32_SOC15(VCN, inst, regUVD_CGC_GATE, data);
705 	SOC15_WAIT_ON_RREG(VCN, inst, regUVD_CGC_GATE, 0,  0xFFFFFFFF);
706 
707 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
708 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
709 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
710 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
711 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
712 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
713 		| UVD_CGC_CTRL__SYS_MODE_MASK
714 		| UVD_CGC_CTRL__UDEC_MODE_MASK
715 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
716 		| UVD_CGC_CTRL__REGS_MODE_MASK
717 		| UVD_CGC_CTRL__RBC_MODE_MASK
718 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
719 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
720 		| UVD_CGC_CTRL__IDCT_MODE_MASK
721 		| UVD_CGC_CTRL__MPRD_MODE_MASK
722 		| UVD_CGC_CTRL__MPC_MODE_MASK
723 		| UVD_CGC_CTRL__LBSI_MODE_MASK
724 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
725 		| UVD_CGC_CTRL__WCB_MODE_MASK
726 		| UVD_CGC_CTRL__VCPU_MODE_MASK
727 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
728 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
729 
730 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_GATE);
731 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
732 		| UVD_SUVD_CGC_GATE__SIT_MASK
733 		| UVD_SUVD_CGC_GATE__SMP_MASK
734 		| UVD_SUVD_CGC_GATE__SCM_MASK
735 		| UVD_SUVD_CGC_GATE__SDB_MASK
736 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
737 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
738 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
739 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
740 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
741 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
742 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
743 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
744 		| UVD_SUVD_CGC_GATE__SCLR_MASK
745 		| UVD_SUVD_CGC_GATE__UVD_SC_MASK
746 		| UVD_SUVD_CGC_GATE__ENT_MASK
747 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
748 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
749 		| UVD_SUVD_CGC_GATE__SITE_MASK
750 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
751 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
752 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
753 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
754 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
755 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_GATE, data);
756 
757 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL);
758 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
759 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
760 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
761 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
762 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
763 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
764 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
765 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
766 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
767 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
768 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL, data);
769 }
770 
771 /**
772  * vcn_v4_0_disable_clock_gating_dpg_mode - disable VCN clock gating dpg mode
773  *
774  * @adev: amdgpu_device pointer
775  * @sram_sel: sram select
776  * @inst_idx: instance number index
777  * @indirect: indirectly write sram
778  *
779  * Disable clock gating for VCN block with dpg mode
780  */
781 static void vcn_v4_0_disable_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t sram_sel,
782       int inst_idx, uint8_t indirect)
783 {
784 	uint32_t reg_data = 0;
785 
786 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
787 		return;
788 
789 	/* enable sw clock gating control */
790 	reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
791 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
792 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
793 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
794 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
795 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
796 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
797 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
798 		 UVD_CGC_CTRL__SYS_MODE_MASK |
799 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
800 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
801 		 UVD_CGC_CTRL__REGS_MODE_MASK |
802 		 UVD_CGC_CTRL__RBC_MODE_MASK |
803 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
804 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
805 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
806 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
807 		 UVD_CGC_CTRL__MPC_MODE_MASK |
808 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
809 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
810 		 UVD_CGC_CTRL__WCB_MODE_MASK |
811 		 UVD_CGC_CTRL__VCPU_MODE_MASK);
812 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
813 		VCN, inst_idx, regUVD_CGC_CTRL), reg_data, sram_sel, indirect);
814 
815 	/* turn off clock gating */
816 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
817 		VCN, inst_idx, regUVD_CGC_GATE), 0, sram_sel, indirect);
818 
819 	/* turn on SUVD clock gating */
820 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
821 		VCN, inst_idx, regUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
822 
823 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
824 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
825 		VCN, inst_idx, regUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
826 }
827 
828 /**
829  * vcn_v4_0_enable_clock_gating - enable VCN clock gating
830  *
831  * @adev: amdgpu_device pointer
832  * @inst: instance number
833  *
834  * Enable clock gating for VCN block
835  */
836 static void vcn_v4_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
837 {
838 	uint32_t data;
839 
840 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
841 		return;
842 
843 	/* enable VCN CGC */
844 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
845 	data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
846 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
847 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
848 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
849 
850 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
851 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
852 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
853 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
854 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
855 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
856 		| UVD_CGC_CTRL__SYS_MODE_MASK
857 		| UVD_CGC_CTRL__UDEC_MODE_MASK
858 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
859 		| UVD_CGC_CTRL__REGS_MODE_MASK
860 		| UVD_CGC_CTRL__RBC_MODE_MASK
861 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
862 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
863 		| UVD_CGC_CTRL__IDCT_MODE_MASK
864 		| UVD_CGC_CTRL__MPRD_MODE_MASK
865 		| UVD_CGC_CTRL__MPC_MODE_MASK
866 		| UVD_CGC_CTRL__LBSI_MODE_MASK
867 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
868 		| UVD_CGC_CTRL__WCB_MODE_MASK
869 		| UVD_CGC_CTRL__VCPU_MODE_MASK
870 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
871 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
872 
873 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL);
874 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
875 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
876 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
877 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
878 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
879 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
880 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
881 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
882 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
883 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
884 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL, data);
885 }
886 
887 static void vcn_v4_0_enable_ras(struct amdgpu_device *adev, int inst_idx,
888 				bool indirect)
889 {
890 	uint32_t tmp;
891 
892 	if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__VCN))
893 		return;
894 
895 	tmp = VCN_RAS_CNTL__VCPU_VCODEC_REARM_MASK |
896 	      VCN_RAS_CNTL__VCPU_VCODEC_IH_EN_MASK |
897 	      VCN_RAS_CNTL__VCPU_VCODEC_PMI_EN_MASK |
898 	      VCN_RAS_CNTL__VCPU_VCODEC_STALL_EN_MASK;
899 	WREG32_SOC15_DPG_MODE(inst_idx,
900 			      SOC15_DPG_MODE_OFFSET(VCN, 0, regVCN_RAS_CNTL),
901 			      tmp, 0, indirect);
902 
903 	tmp = UVD_SYS_INT_EN__RASCNTL_VCPU_VCODEC_EN_MASK;
904 	WREG32_SOC15_DPG_MODE(inst_idx,
905 			      SOC15_DPG_MODE_OFFSET(VCN, 0, regUVD_SYS_INT_EN),
906 			      tmp, 0, indirect);
907 }
908 
909 /**
910  * vcn_v4_0_start_dpg_mode - VCN start with dpg mode
911  *
912  * @adev: amdgpu_device pointer
913  * @inst_idx: instance number index
914  * @indirect: indirectly write sram
915  *
916  * Start VCN block with dpg mode
917  */
918 static int vcn_v4_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
919 {
920 	volatile struct amdgpu_vcn4_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
921 	struct amdgpu_ring *ring;
922 	uint32_t tmp;
923 
924 	/* disable register anti-hang mechanism */
925 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 1,
926 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
927 	/* enable dynamic power gating mode */
928 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS);
929 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
930 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
931 	WREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS, tmp);
932 
933 	if (indirect)
934 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
935 
936 	/* enable clock gating */
937 	vcn_v4_0_disable_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
938 
939 	/* enable VCPU clock */
940 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
941 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK | UVD_VCPU_CNTL__BLK_RST_MASK;
942 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
943 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
944 
945 	/* disable master interupt */
946 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
947 		VCN, inst_idx, regUVD_MASTINT_EN), 0, 0, indirect);
948 
949 	/* setup regUVD_LMI_CTRL */
950 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
951 		UVD_LMI_CTRL__REQ_MODE_MASK |
952 		UVD_LMI_CTRL__CRC_RESET_MASK |
953 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
954 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
955 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
956 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
957 		0x00100000L);
958 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
959 		VCN, inst_idx, regUVD_LMI_CTRL), tmp, 0, indirect);
960 
961 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
962 		VCN, inst_idx, regUVD_MPC_CNTL),
963 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
964 
965 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
966 		VCN, inst_idx, regUVD_MPC_SET_MUXA0),
967 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
968 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
969 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
970 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
971 
972 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
973 		VCN, inst_idx, regUVD_MPC_SET_MUXB0),
974 		 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
975 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
976 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
977 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
978 
979 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
980 		VCN, inst_idx, regUVD_MPC_SET_MUX),
981 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
982 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
983 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
984 
985 	vcn_v4_0_mc_resume_dpg_mode(adev, inst_idx, indirect);
986 
987 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
988 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
989 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
990 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
991 
992 	/* enable LMI MC and UMC channels */
993 	tmp = 0x1f << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT;
994 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
995 		VCN, inst_idx, regUVD_LMI_CTRL2), tmp, 0, indirect);
996 
997 	vcn_v4_0_enable_ras(adev, inst_idx, indirect);
998 
999 	/* enable master interrupt */
1000 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1001 		VCN, inst_idx, regUVD_MASTINT_EN),
1002 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
1003 
1004 
1005 	if (indirect)
1006 		amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
1007 
1008 	ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1009 
1010 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_LO, ring->gpu_addr);
1011 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1012 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_SIZE, ring->ring_size / 4);
1013 
1014 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
1015 	tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
1016 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
1017 	fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
1018 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR, 0);
1019 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, 0);
1020 
1021 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR);
1022 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, tmp);
1023 	ring->wptr = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
1024 
1025 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
1026 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
1027 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
1028 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
1029 
1030 	WREG32_SOC15(VCN, inst_idx, regVCN_RB1_DB_CTRL,
1031 			ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
1032 			VCN_RB1_DB_CTRL__EN_MASK);
1033 
1034 	return 0;
1035 }
1036 
1037 
1038 /**
1039  * vcn_v4_0_start - VCN start
1040  *
1041  * @adev: amdgpu_device pointer
1042  *
1043  * Start VCN block
1044  */
1045 static int vcn_v4_0_start(struct amdgpu_device *adev)
1046 {
1047 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
1048 	struct amdgpu_ring *ring;
1049 	uint32_t tmp;
1050 	int i, j, k, r;
1051 
1052 	if (adev->pm.dpm_enabled)
1053 		amdgpu_dpm_enable_uvd(adev, true);
1054 
1055 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1056 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1057 
1058 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1059 			r = vcn_v4_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
1060 			continue;
1061 		}
1062 
1063 		/* disable VCN power gating */
1064 		vcn_v4_0_disable_static_power_gating(adev, i);
1065 
1066 		/* set VCN status busy */
1067 		tmp = RREG32_SOC15(VCN, i, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
1068 		WREG32_SOC15(VCN, i, regUVD_STATUS, tmp);
1069 
1070 		/*SW clock gating */
1071 		vcn_v4_0_disable_clock_gating(adev, i);
1072 
1073 		/* enable VCPU clock */
1074 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1075 				UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1076 
1077 		/* disable master interrupt */
1078 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN), 0,
1079 				~UVD_MASTINT_EN__VCPU_EN_MASK);
1080 
1081 		/* enable LMI MC and UMC channels */
1082 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_LMI_CTRL2), 0,
1083 				~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1084 
1085 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1086 		tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1087 		tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1088 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1089 
1090 		/* setup regUVD_LMI_CTRL */
1091 		tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL);
1092 		WREG32_SOC15(VCN, i, regUVD_LMI_CTRL, tmp |
1093 				UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1094 				UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1095 				UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1096 				UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1097 
1098 		/* setup regUVD_MPC_CNTL */
1099 		tmp = RREG32_SOC15(VCN, i, regUVD_MPC_CNTL);
1100 		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1101 		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1102 		WREG32_SOC15(VCN, i, regUVD_MPC_CNTL, tmp);
1103 
1104 		/* setup UVD_MPC_SET_MUXA0 */
1105 		WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUXA0,
1106 				((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1107 				 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1108 				 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1109 				 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1110 
1111 		/* setup UVD_MPC_SET_MUXB0 */
1112 		WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUXB0,
1113 				((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1114 				 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1115 				 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1116 				 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1117 
1118 		/* setup UVD_MPC_SET_MUX */
1119 		WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUX,
1120 				((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1121 				 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1122 				 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1123 
1124 		vcn_v4_0_mc_resume(adev, i);
1125 
1126 		/* VCN global tiling registers */
1127 		WREG32_SOC15(VCN, i, regUVD_GFX10_ADDR_CONFIG,
1128 				adev->gfx.config.gb_addr_config);
1129 
1130 		/* unblock VCPU register access */
1131 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL), 0,
1132 				~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1133 
1134 		/* release VCPU reset to boot */
1135 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1136 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1137 
1138 		for (j = 0; j < 10; ++j) {
1139 			uint32_t status;
1140 
1141 			for (k = 0; k < 100; ++k) {
1142 				status = RREG32_SOC15(VCN, i, regUVD_STATUS);
1143 				if (status & 2)
1144 					break;
1145 				mdelay(10);
1146 				if (amdgpu_emu_mode == 1)
1147 					msleep(1);
1148 			}
1149 
1150 			if (amdgpu_emu_mode == 1) {
1151 				r = -1;
1152 				if (status & 2) {
1153 					r = 0;
1154 					break;
1155 				}
1156 			} else {
1157 				r = 0;
1158 				if (status & 2)
1159 					break;
1160 
1161 				dev_err(adev->dev, "VCN[%d] is not responding, trying to reset the VCPU!!!\n", i);
1162 				WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1163 							UVD_VCPU_CNTL__BLK_RST_MASK,
1164 							~UVD_VCPU_CNTL__BLK_RST_MASK);
1165 				mdelay(10);
1166 				WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1167 						~UVD_VCPU_CNTL__BLK_RST_MASK);
1168 
1169 				mdelay(10);
1170 				r = -1;
1171 			}
1172 		}
1173 
1174 		if (r) {
1175 			dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", i);
1176 			return r;
1177 		}
1178 
1179 		/* enable master interrupt */
1180 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN),
1181 				UVD_MASTINT_EN__VCPU_EN_MASK,
1182 				~UVD_MASTINT_EN__VCPU_EN_MASK);
1183 
1184 		/* clear the busy bit of VCN_STATUS */
1185 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_STATUS), 0,
1186 				~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1187 
1188 		ring = &adev->vcn.inst[i].ring_enc[0];
1189 		WREG32_SOC15(VCN, i, regVCN_RB1_DB_CTRL,
1190 				ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
1191 				VCN_RB1_DB_CTRL__EN_MASK);
1192 
1193 		WREG32_SOC15(VCN, i, regUVD_RB_BASE_LO, ring->gpu_addr);
1194 		WREG32_SOC15(VCN, i, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1195 		WREG32_SOC15(VCN, i, regUVD_RB_SIZE, ring->ring_size / 4);
1196 
1197 		tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
1198 		tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
1199 		WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
1200 		fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
1201 		WREG32_SOC15(VCN, i, regUVD_RB_RPTR, 0);
1202 		WREG32_SOC15(VCN, i, regUVD_RB_WPTR, 0);
1203 
1204 		tmp = RREG32_SOC15(VCN, i, regUVD_RB_RPTR);
1205 		WREG32_SOC15(VCN, i, regUVD_RB_WPTR, tmp);
1206 		ring->wptr = RREG32_SOC15(VCN, i, regUVD_RB_WPTR);
1207 
1208 		tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
1209 		tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
1210 		WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
1211 		fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
1212 	}
1213 
1214 	return 0;
1215 }
1216 
1217 static int vcn_v4_0_init_ring_metadata(struct amdgpu_device *adev, uint32_t vcn_inst, struct amdgpu_ring *ring_enc)
1218 {
1219 	struct amdgpu_vcn_rb_metadata *rb_metadata = NULL;
1220 	uint8_t *rb_ptr = (uint8_t *)ring_enc->ring;
1221 
1222 	rb_ptr += ring_enc->ring_size;
1223 	rb_metadata = (struct amdgpu_vcn_rb_metadata *)rb_ptr;
1224 
1225 	memset(rb_metadata, 0, sizeof(struct amdgpu_vcn_rb_metadata));
1226 	rb_metadata->size = sizeof(struct amdgpu_vcn_rb_metadata);
1227 	rb_metadata->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_SETUP_FLAG);
1228 	rb_metadata->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_DECOUPLE_FLAG);
1229 	rb_metadata->version = 1;
1230 	rb_metadata->ring_id = vcn_inst & 0xFF;
1231 
1232 	return 0;
1233 }
1234 
1235 static int vcn_v4_0_start_sriov(struct amdgpu_device *adev)
1236 {
1237 	int i;
1238 	struct amdgpu_ring *ring_enc;
1239 	uint64_t cache_addr;
1240 	uint64_t rb_enc_addr;
1241 	uint64_t ctx_addr;
1242 	uint32_t param, resp, expected;
1243 	uint32_t offset, cache_size;
1244 	uint32_t tmp, timeout;
1245 
1246 	struct amdgpu_mm_table *table = &adev->virt.mm_table;
1247 	uint32_t *table_loc;
1248 	uint32_t table_size;
1249 	uint32_t size, size_dw;
1250 	uint32_t init_status;
1251 	uint32_t enabled_vcn;
1252 
1253 	struct mmsch_v4_0_cmd_direct_write
1254 		direct_wt = { {0} };
1255 	struct mmsch_v4_0_cmd_direct_read_modify_write
1256 		direct_rd_mod_wt = { {0} };
1257 	struct mmsch_v4_0_cmd_end end = { {0} };
1258 	struct mmsch_v4_0_init_header header;
1259 
1260 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
1261 	volatile struct amdgpu_fw_shared_rb_setup *rb_setup;
1262 
1263 	direct_wt.cmd_header.command_type =
1264 		MMSCH_COMMAND__DIRECT_REG_WRITE;
1265 	direct_rd_mod_wt.cmd_header.command_type =
1266 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1267 	end.cmd_header.command_type =
1268 		MMSCH_COMMAND__END;
1269 
1270 	header.version = MMSCH_VERSION;
1271 	header.total_size = sizeof(struct mmsch_v4_0_init_header) >> 2;
1272 	for (i = 0; i < MMSCH_V4_0_VCN_INSTANCES; i++) {
1273 		header.inst[i].init_status = 0;
1274 		header.inst[i].table_offset = 0;
1275 		header.inst[i].table_size = 0;
1276 	}
1277 
1278 	table_loc = (uint32_t *)table->cpu_addr;
1279 	table_loc += header.total_size;
1280 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1281 		if (adev->vcn.harvest_config & (1 << i))
1282 			continue;
1283 
1284 		// Must re/init fw_shared at beginning
1285 		vcn_v4_0_fw_shared_init(adev, i);
1286 
1287 		table_size = 0;
1288 
1289 		MMSCH_V4_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCN, i,
1290 			regUVD_STATUS),
1291 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1292 
1293 		cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[i]->size + 4);
1294 
1295 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1296 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1297 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1298 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
1299 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1300 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1301 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
1302 			offset = 0;
1303 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1304 				regUVD_VCPU_CACHE_OFFSET0),
1305 				0);
1306 		} else {
1307 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1308 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1309 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1310 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1311 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1312 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1313 			offset = cache_size;
1314 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1315 				regUVD_VCPU_CACHE_OFFSET0),
1316 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1317 		}
1318 
1319 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1320 			regUVD_VCPU_CACHE_SIZE0),
1321 			cache_size);
1322 
1323 		cache_addr = adev->vcn.inst[i].gpu_addr + offset;
1324 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1325 			regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1326 			lower_32_bits(cache_addr));
1327 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1328 			regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1329 			upper_32_bits(cache_addr));
1330 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1331 			regUVD_VCPU_CACHE_OFFSET1),
1332 			0);
1333 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1334 			regUVD_VCPU_CACHE_SIZE1),
1335 			AMDGPU_VCN_STACK_SIZE);
1336 
1337 		cache_addr = adev->vcn.inst[i].gpu_addr + offset +
1338 			AMDGPU_VCN_STACK_SIZE;
1339 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1340 			regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1341 			lower_32_bits(cache_addr));
1342 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1343 			regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1344 			upper_32_bits(cache_addr));
1345 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1346 			regUVD_VCPU_CACHE_OFFSET2),
1347 			0);
1348 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1349 			regUVD_VCPU_CACHE_SIZE2),
1350 			AMDGPU_VCN_CONTEXT_SIZE);
1351 
1352 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1353 		rb_setup = &fw_shared->rb_setup;
1354 
1355 		ring_enc = &adev->vcn.inst[i].ring_enc[0];
1356 		ring_enc->wptr = 0;
1357 		rb_enc_addr = ring_enc->gpu_addr;
1358 
1359 		rb_setup->is_rb_enabled_flags |= RB_ENABLED;
1360 		fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_SETUP_FLAG);
1361 
1362 		if (amdgpu_sriov_is_vcn_rb_decouple(adev)) {
1363 			vcn_v4_0_init_ring_metadata(adev, i, ring_enc);
1364 
1365 			memset((void *)&rb_setup->rb_info, 0, sizeof(struct amdgpu_vcn_rb_setup_info) * MAX_NUM_VCN_RB_SETUP);
1366 			if (!(adev->vcn.harvest_config & (1 << 0))) {
1367 				rb_setup->rb_info[0].rb_addr_lo = lower_32_bits(adev->vcn.inst[0].ring_enc[0].gpu_addr);
1368 				rb_setup->rb_info[0].rb_addr_hi = upper_32_bits(adev->vcn.inst[0].ring_enc[0].gpu_addr);
1369 				rb_setup->rb_info[0].rb_size = adev->vcn.inst[0].ring_enc[0].ring_size / 4;
1370 			}
1371 			if (!(adev->vcn.harvest_config & (1 << 1))) {
1372 				rb_setup->rb_info[2].rb_addr_lo = lower_32_bits(adev->vcn.inst[1].ring_enc[0].gpu_addr);
1373 				rb_setup->rb_info[2].rb_addr_hi = upper_32_bits(adev->vcn.inst[1].ring_enc[0].gpu_addr);
1374 				rb_setup->rb_info[2].rb_size = adev->vcn.inst[1].ring_enc[0].ring_size / 4;
1375 			}
1376 			fw_shared->decouple.is_enabled = 1;
1377 			fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_DECOUPLE_FLAG);
1378 		} else {
1379 			rb_setup->rb_addr_lo = lower_32_bits(rb_enc_addr);
1380 			rb_setup->rb_addr_hi = upper_32_bits(rb_enc_addr);
1381 			rb_setup->rb_size = ring_enc->ring_size / 4;
1382 		}
1383 
1384 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1385 			regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
1386 			lower_32_bits(adev->vcn.inst[i].fw_shared.gpu_addr));
1387 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1388 			regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
1389 			upper_32_bits(adev->vcn.inst[i].fw_shared.gpu_addr));
1390 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1391 			regUVD_VCPU_NONCACHE_SIZE0),
1392 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)));
1393 
1394 		/* add end packet */
1395 		MMSCH_V4_0_INSERT_END();
1396 
1397 		/* refine header */
1398 		header.inst[i].init_status = 0;
1399 		header.inst[i].table_offset = header.total_size;
1400 		header.inst[i].table_size = table_size;
1401 		header.total_size += table_size;
1402 	}
1403 
1404 	/* Update init table header in memory */
1405 	size = sizeof(struct mmsch_v4_0_init_header);
1406 	table_loc = (uint32_t *)table->cpu_addr;
1407 	memcpy((void *)table_loc, &header, size);
1408 
1409 	/* message MMSCH (in VCN[0]) to initialize this client
1410 	 * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1411 	 * of memory descriptor location
1412 	 */
1413 	ctx_addr = table->gpu_addr;
1414 	WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
1415 	WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
1416 
1417 	/* 2, update vmid of descriptor */
1418 	tmp = RREG32_SOC15(VCN, 0, regMMSCH_VF_VMID);
1419 	tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1420 	/* use domain0 for MM scheduler */
1421 	tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1422 	WREG32_SOC15(VCN, 0, regMMSCH_VF_VMID, tmp);
1423 
1424 	/* 3, notify mmsch about the size of this descriptor */
1425 	size = header.total_size;
1426 	WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_SIZE, size);
1427 
1428 	/* 4, set resp to zero */
1429 	WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP, 0);
1430 
1431 	/* 5, kick off the initialization and wait until
1432 	 * MMSCH_VF_MAILBOX_RESP becomes non-zero
1433 	 */
1434 	param = 0x00000001;
1435 	WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_HOST, param);
1436 	tmp = 0;
1437 	timeout = 1000;
1438 	resp = 0;
1439 	expected = MMSCH_VF_MAILBOX_RESP__OK;
1440 	while (resp != expected) {
1441 		resp = RREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP);
1442 		if (resp != 0)
1443 			break;
1444 
1445 		udelay(10);
1446 		tmp = tmp + 10;
1447 		if (tmp >= timeout) {
1448 			DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
1449 				" waiting for regMMSCH_VF_MAILBOX_RESP "\
1450 				"(expected=0x%08x, readback=0x%08x)\n",
1451 				tmp, expected, resp);
1452 			return -EBUSY;
1453 		}
1454 	}
1455 	enabled_vcn = amdgpu_vcn_is_disabled_vcn(adev, VCN_DECODE_RING, 0) ? 1 : 0;
1456 	init_status = ((struct mmsch_v4_0_init_header *)(table_loc))->inst[enabled_vcn].init_status;
1457 	if (resp != expected && resp != MMSCH_VF_MAILBOX_RESP__INCOMPLETE
1458 	&& init_status != MMSCH_VF_ENGINE_STATUS__PASS)
1459 		DRM_ERROR("MMSCH init status is incorrect! readback=0x%08x, header init "\
1460 			"status for VCN%x: 0x%x\n", resp, enabled_vcn, init_status);
1461 
1462 	return 0;
1463 }
1464 
1465 /**
1466  * vcn_v4_0_stop_dpg_mode - VCN stop with dpg mode
1467  *
1468  * @adev: amdgpu_device pointer
1469  * @inst_idx: instance number index
1470  *
1471  * Stop VCN block with dpg mode
1472  */
1473 static void vcn_v4_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
1474 {
1475 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
1476 	uint32_t tmp;
1477 
1478 	vcn_v4_0_pause_dpg_mode(adev, inst_idx, &state);
1479 	/* Wait for power status to be 1 */
1480 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
1481 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1482 
1483 	/* wait for read ptr to be equal to write ptr */
1484 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
1485 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1486 
1487 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
1488 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1489 
1490 	/* disable dynamic power gating mode */
1491 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 0,
1492 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1493 }
1494 
1495 /**
1496  * vcn_v4_0_stop - VCN stop
1497  *
1498  * @adev: amdgpu_device pointer
1499  *
1500  * Stop VCN block
1501  */
1502 static int vcn_v4_0_stop(struct amdgpu_device *adev)
1503 {
1504 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
1505 	uint32_t tmp;
1506 	int i, r = 0;
1507 
1508 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1509 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1510 		fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
1511 
1512 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1513 			vcn_v4_0_stop_dpg_mode(adev, i);
1514 			continue;
1515 		}
1516 
1517 		/* wait for vcn idle */
1518 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1519 		if (r)
1520 			return r;
1521 
1522 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1523 			UVD_LMI_STATUS__READ_CLEAN_MASK |
1524 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1525 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1526 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
1527 		if (r)
1528 			return r;
1529 
1530 		/* disable LMI UMC channel */
1531 		tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL2);
1532 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1533 		WREG32_SOC15(VCN, i, regUVD_LMI_CTRL2, tmp);
1534 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
1535 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1536 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
1537 		if (r)
1538 			return r;
1539 
1540 		/* block VCPU register access */
1541 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL),
1542 				UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1543 				~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1544 
1545 		/* reset VCPU */
1546 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1547 				UVD_VCPU_CNTL__BLK_RST_MASK,
1548 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1549 
1550 		/* disable VCPU clock */
1551 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1552 				~(UVD_VCPU_CNTL__CLK_EN_MASK));
1553 
1554 		/* apply soft reset */
1555 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1556 		tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1557 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1558 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1559 		tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1560 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1561 
1562 		/* clear status */
1563 		WREG32_SOC15(VCN, i, regUVD_STATUS, 0);
1564 
1565 		/* apply HW clock gating */
1566 		vcn_v4_0_enable_clock_gating(adev, i);
1567 
1568 		/* enable VCN power gating */
1569 		vcn_v4_0_enable_static_power_gating(adev, i);
1570 	}
1571 
1572 	if (adev->pm.dpm_enabled)
1573 		amdgpu_dpm_enable_uvd(adev, false);
1574 
1575 	return 0;
1576 }
1577 
1578 /**
1579  * vcn_v4_0_pause_dpg_mode - VCN pause with dpg mode
1580  *
1581  * @adev: amdgpu_device pointer
1582  * @inst_idx: instance number index
1583  * @new_state: pause state
1584  *
1585  * Pause dpg mode for VCN block
1586  */
1587 static int vcn_v4_0_pause_dpg_mode(struct amdgpu_device *adev, int inst_idx,
1588       struct dpg_pause_state *new_state)
1589 {
1590 	uint32_t reg_data = 0;
1591 	int ret_code;
1592 
1593 	/* pause/unpause if state is changed */
1594 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1595 		DRM_DEV_DEBUG(adev->dev, "dpg pause state changed %d -> %d",
1596 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1597 		reg_data = RREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE) &
1598 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1599 
1600 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1601 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 0x1,
1602 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1603 
1604 			if (!ret_code) {
1605 				/* pause DPG */
1606 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1607 				WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1608 
1609 				/* wait for ACK */
1610 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_DPG_PAUSE,
1611 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1612 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1613 
1614 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS,
1615 					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1616 			}
1617 		} else {
1618 			/* unpause dpg, no need to wait */
1619 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1620 			WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1621 		}
1622 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1623 	}
1624 
1625 	return 0;
1626 }
1627 
1628 /**
1629  * vcn_v4_0_unified_ring_get_rptr - get unified read pointer
1630  *
1631  * @ring: amdgpu_ring pointer
1632  *
1633  * Returns the current hardware unified read pointer
1634  */
1635 static uint64_t vcn_v4_0_unified_ring_get_rptr(struct amdgpu_ring *ring)
1636 {
1637 	struct amdgpu_device *adev = ring->adev;
1638 
1639 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1640 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1641 
1642 	return RREG32_SOC15(VCN, ring->me, regUVD_RB_RPTR);
1643 }
1644 
1645 /**
1646  * vcn_v4_0_unified_ring_get_wptr - get unified write pointer
1647  *
1648  * @ring: amdgpu_ring pointer
1649  *
1650  * Returns the current hardware unified write pointer
1651  */
1652 static uint64_t vcn_v4_0_unified_ring_get_wptr(struct amdgpu_ring *ring)
1653 {
1654 	struct amdgpu_device *adev = ring->adev;
1655 
1656 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1657 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1658 
1659 	if (ring->use_doorbell)
1660 		return *ring->wptr_cpu_addr;
1661 	else
1662 		return RREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR);
1663 }
1664 
1665 /**
1666  * vcn_v4_0_unified_ring_set_wptr - set enc write pointer
1667  *
1668  * @ring: amdgpu_ring pointer
1669  *
1670  * Commits the enc write pointer to the hardware
1671  */
1672 static void vcn_v4_0_unified_ring_set_wptr(struct amdgpu_ring *ring)
1673 {
1674 	struct amdgpu_device *adev = ring->adev;
1675 
1676 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1677 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1678 
1679 	if (ring->use_doorbell) {
1680 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1681 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1682 	} else {
1683 		WREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR, lower_32_bits(ring->wptr));
1684 	}
1685 }
1686 
1687 static int vcn_v4_0_limit_sched(struct amdgpu_cs_parser *p,
1688 				struct amdgpu_job *job)
1689 {
1690 	struct drm_gpu_scheduler **scheds;
1691 
1692 	/* The create msg must be in the first IB submitted */
1693 	if (atomic_read(&job->base.entity->fence_seq))
1694 		return -EINVAL;
1695 
1696 	/* if VCN0 is harvested, we can't support AV1 */
1697 	if (p->adev->vcn.harvest_config & AMDGPU_VCN_HARVEST_VCN0)
1698 		return -EINVAL;
1699 
1700 	scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_ENC]
1701 		[AMDGPU_RING_PRIO_0].sched;
1702 	drm_sched_entity_modify_sched(job->base.entity, scheds, 1);
1703 	return 0;
1704 }
1705 
1706 static int vcn_v4_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
1707 			    uint64_t addr)
1708 {
1709 	struct ttm_operation_ctx ctx = { false, false };
1710 	struct amdgpu_bo_va_mapping *map;
1711 	uint32_t *msg, num_buffers;
1712 	struct amdgpu_bo *bo;
1713 	uint64_t start, end;
1714 	unsigned int i;
1715 	void *ptr;
1716 	int r;
1717 
1718 	addr &= AMDGPU_GMC_HOLE_MASK;
1719 	r = amdgpu_cs_find_mapping(p, addr, &bo, &map);
1720 	if (r) {
1721 		DRM_ERROR("Can't find BO for addr 0x%08llx\n", addr);
1722 		return r;
1723 	}
1724 
1725 	start = map->start * AMDGPU_GPU_PAGE_SIZE;
1726 	end = (map->last + 1) * AMDGPU_GPU_PAGE_SIZE;
1727 	if (addr & 0x7) {
1728 		DRM_ERROR("VCN messages must be 8 byte aligned!\n");
1729 		return -EINVAL;
1730 	}
1731 
1732 	bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
1733 	amdgpu_bo_placement_from_domain(bo, bo->allowed_domains);
1734 	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1735 	if (r) {
1736 		DRM_ERROR("Failed validating the VCN message BO (%d)!\n", r);
1737 		return r;
1738 	}
1739 
1740 	r = amdgpu_bo_kmap(bo, &ptr);
1741 	if (r) {
1742 		DRM_ERROR("Failed mapping the VCN message (%d)!\n", r);
1743 		return r;
1744 	}
1745 
1746 	msg = ptr + addr - start;
1747 
1748 	/* Check length */
1749 	if (msg[1] > end - addr) {
1750 		r = -EINVAL;
1751 		goto out;
1752 	}
1753 
1754 	if (msg[3] != RDECODE_MSG_CREATE)
1755 		goto out;
1756 
1757 	num_buffers = msg[2];
1758 	for (i = 0, msg = &msg[6]; i < num_buffers; ++i, msg += 4) {
1759 		uint32_t offset, size, *create;
1760 
1761 		if (msg[0] != RDECODE_MESSAGE_CREATE)
1762 			continue;
1763 
1764 		offset = msg[1];
1765 		size = msg[2];
1766 
1767 		if (offset + size > end) {
1768 			r = -EINVAL;
1769 			goto out;
1770 		}
1771 
1772 		create = ptr + addr + offset - start;
1773 
1774 		/* H264, HEVC and VP9 can run on any instance */
1775 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
1776 			continue;
1777 
1778 		r = vcn_v4_0_limit_sched(p, job);
1779 		if (r)
1780 			goto out;
1781 	}
1782 
1783 out:
1784 	amdgpu_bo_kunmap(bo);
1785 	return r;
1786 }
1787 
1788 #define RADEON_VCN_ENGINE_TYPE_ENCODE			(0x00000002)
1789 #define RADEON_VCN_ENGINE_TYPE_DECODE			(0x00000003)
1790 
1791 #define RADEON_VCN_ENGINE_INFO				(0x30000001)
1792 #define RADEON_VCN_ENGINE_INFO_MAX_OFFSET		16
1793 
1794 #define RENCODE_ENCODE_STANDARD_AV1			2
1795 #define RENCODE_IB_PARAM_SESSION_INIT			0x00000003
1796 #define RENCODE_IB_PARAM_SESSION_INIT_MAX_OFFSET	64
1797 
1798 /* return the offset in ib if id is found, -1 otherwise
1799  * to speed up the searching we only search upto max_offset
1800  */
1801 static int vcn_v4_0_enc_find_ib_param(struct amdgpu_ib *ib, uint32_t id, int max_offset)
1802 {
1803 	int i;
1804 
1805 	for (i = 0; i < ib->length_dw && i < max_offset && ib->ptr[i] >= 8; i += ib->ptr[i]/4) {
1806 		if (ib->ptr[i + 1] == id)
1807 			return i;
1808 	}
1809 	return -1;
1810 }
1811 
1812 static int vcn_v4_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
1813 					   struct amdgpu_job *job,
1814 					   struct amdgpu_ib *ib)
1815 {
1816 	struct amdgpu_ring *ring = amdgpu_job_ring(job);
1817 	struct amdgpu_vcn_decode_buffer *decode_buffer;
1818 	uint64_t addr;
1819 	uint32_t val;
1820 	int idx;
1821 
1822 	/* The first instance can decode anything */
1823 	if (!ring->me)
1824 		return 0;
1825 
1826 	/* RADEON_VCN_ENGINE_INFO is at the top of ib block */
1827 	idx = vcn_v4_0_enc_find_ib_param(ib, RADEON_VCN_ENGINE_INFO,
1828 			RADEON_VCN_ENGINE_INFO_MAX_OFFSET);
1829 	if (idx < 0) /* engine info is missing */
1830 		return 0;
1831 
1832 	val = amdgpu_ib_get_value(ib, idx + 2); /* RADEON_VCN_ENGINE_TYPE */
1833 	if (val == RADEON_VCN_ENGINE_TYPE_DECODE) {
1834 		decode_buffer = (struct amdgpu_vcn_decode_buffer *)&ib->ptr[idx + 6];
1835 
1836 		if (!(decode_buffer->valid_buf_flag  & 0x1))
1837 			return 0;
1838 
1839 		addr = ((u64)decode_buffer->msg_buffer_address_hi) << 32 |
1840 			decode_buffer->msg_buffer_address_lo;
1841 		return vcn_v4_0_dec_msg(p, job, addr);
1842 	} else if (val == RADEON_VCN_ENGINE_TYPE_ENCODE) {
1843 		idx = vcn_v4_0_enc_find_ib_param(ib, RENCODE_IB_PARAM_SESSION_INIT,
1844 			RENCODE_IB_PARAM_SESSION_INIT_MAX_OFFSET);
1845 		if (idx >= 0 && ib->ptr[idx + 2] == RENCODE_ENCODE_STANDARD_AV1)
1846 			return vcn_v4_0_limit_sched(p, job);
1847 	}
1848 	return 0;
1849 }
1850 
1851 static struct amdgpu_ring_funcs vcn_v4_0_unified_ring_vm_funcs = {
1852 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1853 	.align_mask = 0x3f,
1854 	.nop = VCN_ENC_CMD_NO_OP,
1855 	.extra_dw = sizeof(struct amdgpu_vcn_rb_metadata),
1856 	.get_rptr = vcn_v4_0_unified_ring_get_rptr,
1857 	.get_wptr = vcn_v4_0_unified_ring_get_wptr,
1858 	.set_wptr = vcn_v4_0_unified_ring_set_wptr,
1859 	.patch_cs_in_place = vcn_v4_0_ring_patch_cs_in_place,
1860 	.emit_frame_size =
1861 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1862 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1863 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1864 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1865 		1, /* vcn_v2_0_enc_ring_insert_end */
1866 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1867 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1868 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1869 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1870 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1871 	.test_ib = amdgpu_vcn_unified_ring_test_ib,
1872 	.insert_nop = amdgpu_ring_insert_nop,
1873 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1874 	.pad_ib = amdgpu_ring_generic_pad_ib,
1875 	.begin_use = amdgpu_vcn_ring_begin_use,
1876 	.end_use = amdgpu_vcn_ring_end_use,
1877 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1878 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1879 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1880 };
1881 
1882 /**
1883  * vcn_v4_0_set_unified_ring_funcs - set unified ring functions
1884  *
1885  * @adev: amdgpu_device pointer
1886  *
1887  * Set unified ring functions
1888  */
1889 static void vcn_v4_0_set_unified_ring_funcs(struct amdgpu_device *adev)
1890 {
1891 	int i;
1892 
1893 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1894 		if (adev->vcn.harvest_config & (1 << i))
1895 			continue;
1896 
1897 		if (amdgpu_ip_version(adev, VCN_HWIP, 0) == IP_VERSION(4, 0, 2))
1898 			vcn_v4_0_unified_ring_vm_funcs.secure_submission_supported = true;
1899 
1900 		adev->vcn.inst[i].ring_enc[0].funcs =
1901 		       (const struct amdgpu_ring_funcs *)&vcn_v4_0_unified_ring_vm_funcs;
1902 		adev->vcn.inst[i].ring_enc[0].me = i;
1903 
1904 		DRM_INFO("VCN(%d) encode/decode are enabled in VM mode\n", i);
1905 	}
1906 }
1907 
1908 /**
1909  * vcn_v4_0_is_idle - check VCN block is idle
1910  *
1911  * @handle: amdgpu_device pointer
1912  *
1913  * Check whether VCN block is idle
1914  */
1915 static bool vcn_v4_0_is_idle(void *handle)
1916 {
1917 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1918 	int i, ret = 1;
1919 
1920 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1921 		if (adev->vcn.harvest_config & (1 << i))
1922 			continue;
1923 
1924 		ret &= (RREG32_SOC15(VCN, i, regUVD_STATUS) == UVD_STATUS__IDLE);
1925 	}
1926 
1927 	return ret;
1928 }
1929 
1930 /**
1931  * vcn_v4_0_wait_for_idle - wait for VCN block idle
1932  *
1933  * @handle: amdgpu_device pointer
1934  *
1935  * Wait for VCN block idle
1936  */
1937 static int vcn_v4_0_wait_for_idle(void *handle)
1938 {
1939 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1940 	int i, ret = 0;
1941 
1942 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1943 		if (adev->vcn.harvest_config & (1 << i))
1944 			continue;
1945 
1946 		ret = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE,
1947 			UVD_STATUS__IDLE);
1948 		if (ret)
1949 			return ret;
1950 	}
1951 
1952 	return ret;
1953 }
1954 
1955 /**
1956  * vcn_v4_0_set_clockgating_state - set VCN block clockgating state
1957  *
1958  * @handle: amdgpu_device pointer
1959  * @state: clock gating state
1960  *
1961  * Set VCN block clockgating state
1962  */
1963 static int vcn_v4_0_set_clockgating_state(void *handle, enum amd_clockgating_state state)
1964 {
1965 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1966 	bool enable = state == AMD_CG_STATE_GATE;
1967 	int i;
1968 
1969 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1970 		if (adev->vcn.harvest_config & (1 << i))
1971 			continue;
1972 
1973 		if (enable) {
1974 			if (RREG32_SOC15(VCN, i, regUVD_STATUS) != UVD_STATUS__IDLE)
1975 				return -EBUSY;
1976 			vcn_v4_0_enable_clock_gating(adev, i);
1977 		} else {
1978 			vcn_v4_0_disable_clock_gating(adev, i);
1979 		}
1980 	}
1981 
1982 	return 0;
1983 }
1984 
1985 /**
1986  * vcn_v4_0_set_powergating_state - set VCN block powergating state
1987  *
1988  * @handle: amdgpu_device pointer
1989  * @state: power gating state
1990  *
1991  * Set VCN block powergating state
1992  */
1993 static int vcn_v4_0_set_powergating_state(void *handle, enum amd_powergating_state state)
1994 {
1995 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1996 	int ret;
1997 
1998 	/* for SRIOV, guest should not control VCN Power-gating
1999 	 * MMSCH FW should control Power-gating and clock-gating
2000 	 * guest should avoid touching CGC and PG
2001 	 */
2002 	if (amdgpu_sriov_vf(adev)) {
2003 		adev->vcn.cur_state = AMD_PG_STATE_UNGATE;
2004 		return 0;
2005 	}
2006 
2007 	if (state == adev->vcn.cur_state)
2008 		return 0;
2009 
2010 	if (state == AMD_PG_STATE_GATE)
2011 		ret = vcn_v4_0_stop(adev);
2012 	else
2013 		ret = vcn_v4_0_start(adev);
2014 
2015 	if (!ret)
2016 		adev->vcn.cur_state = state;
2017 
2018 	return ret;
2019 }
2020 
2021 /**
2022  * vcn_v4_0_set_ras_interrupt_state - set VCN block RAS interrupt state
2023  *
2024  * @adev: amdgpu_device pointer
2025  * @source: interrupt sources
2026  * @type: interrupt types
2027  * @state: interrupt states
2028  *
2029  * Set VCN block RAS interrupt state
2030  */
2031 static int vcn_v4_0_set_ras_interrupt_state(struct amdgpu_device *adev,
2032 	struct amdgpu_irq_src *source,
2033 	unsigned int type,
2034 	enum amdgpu_interrupt_state state)
2035 {
2036 	return 0;
2037 }
2038 
2039 /**
2040  * vcn_v4_0_process_interrupt - process VCN block interrupt
2041  *
2042  * @adev: amdgpu_device pointer
2043  * @source: interrupt sources
2044  * @entry: interrupt entry from clients and sources
2045  *
2046  * Process VCN block interrupt
2047  */
2048 static int vcn_v4_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
2049       struct amdgpu_iv_entry *entry)
2050 {
2051 	uint32_t ip_instance;
2052 
2053 	if (amdgpu_sriov_is_vcn_rb_decouple(adev)) {
2054 		ip_instance = entry->ring_id;
2055 	} else {
2056 		switch (entry->client_id) {
2057 		case SOC15_IH_CLIENTID_VCN:
2058 			ip_instance = 0;
2059 			break;
2060 		case SOC15_IH_CLIENTID_VCN1:
2061 			ip_instance = 1;
2062 			break;
2063 		default:
2064 			DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
2065 			return 0;
2066 		}
2067 	}
2068 
2069 	DRM_DEBUG("IH: VCN TRAP\n");
2070 
2071 	switch (entry->src_id) {
2072 	case VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
2073 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
2074 		break;
2075 	default:
2076 		DRM_ERROR("Unhandled interrupt: %d %d\n",
2077 			  entry->src_id, entry->src_data[0]);
2078 		break;
2079 	}
2080 
2081 	return 0;
2082 }
2083 
2084 static const struct amdgpu_irq_src_funcs vcn_v4_0_irq_funcs = {
2085 	.process = vcn_v4_0_process_interrupt,
2086 };
2087 
2088 static const struct amdgpu_irq_src_funcs vcn_v4_0_ras_irq_funcs = {
2089 	.set = vcn_v4_0_set_ras_interrupt_state,
2090 	.process = amdgpu_vcn_process_poison_irq,
2091 };
2092 
2093 /**
2094  * vcn_v4_0_set_irq_funcs - set VCN block interrupt irq functions
2095  *
2096  * @adev: amdgpu_device pointer
2097  *
2098  * Set VCN block interrupt irq functions
2099  */
2100 static void vcn_v4_0_set_irq_funcs(struct amdgpu_device *adev)
2101 {
2102 	int i;
2103 
2104 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2105 		if (adev->vcn.harvest_config & (1 << i))
2106 			continue;
2107 
2108 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
2109 		adev->vcn.inst[i].irq.funcs = &vcn_v4_0_irq_funcs;
2110 
2111 		adev->vcn.inst[i].ras_poison_irq.num_types = adev->vcn.num_enc_rings + 1;
2112 		adev->vcn.inst[i].ras_poison_irq.funcs = &vcn_v4_0_ras_irq_funcs;
2113 	}
2114 }
2115 
2116 static const struct amd_ip_funcs vcn_v4_0_ip_funcs = {
2117 	.name = "vcn_v4_0",
2118 	.early_init = vcn_v4_0_early_init,
2119 	.late_init = NULL,
2120 	.sw_init = vcn_v4_0_sw_init,
2121 	.sw_fini = vcn_v4_0_sw_fini,
2122 	.hw_init = vcn_v4_0_hw_init,
2123 	.hw_fini = vcn_v4_0_hw_fini,
2124 	.suspend = vcn_v4_0_suspend,
2125 	.resume = vcn_v4_0_resume,
2126 	.is_idle = vcn_v4_0_is_idle,
2127 	.wait_for_idle = vcn_v4_0_wait_for_idle,
2128 	.check_soft_reset = NULL,
2129 	.pre_soft_reset = NULL,
2130 	.soft_reset = NULL,
2131 	.post_soft_reset = NULL,
2132 	.set_clockgating_state = vcn_v4_0_set_clockgating_state,
2133 	.set_powergating_state = vcn_v4_0_set_powergating_state,
2134 	.dump_ip_state = NULL,
2135 	.print_ip_state = NULL,
2136 };
2137 
2138 const struct amdgpu_ip_block_version vcn_v4_0_ip_block = {
2139 	.type = AMD_IP_BLOCK_TYPE_VCN,
2140 	.major = 4,
2141 	.minor = 0,
2142 	.rev = 0,
2143 	.funcs = &vcn_v4_0_ip_funcs,
2144 };
2145 
2146 static uint32_t vcn_v4_0_query_poison_by_instance(struct amdgpu_device *adev,
2147 			uint32_t instance, uint32_t sub_block)
2148 {
2149 	uint32_t poison_stat = 0, reg_value = 0;
2150 
2151 	switch (sub_block) {
2152 	case AMDGPU_VCN_V4_0_VCPU_VCODEC:
2153 		reg_value = RREG32_SOC15(VCN, instance, regUVD_RAS_VCPU_VCODEC_STATUS);
2154 		poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_VCPU_VCODEC_STATUS, POISONED_PF);
2155 		break;
2156 	default:
2157 		break;
2158 	}
2159 
2160 	if (poison_stat)
2161 		dev_info(adev->dev, "Poison detected in VCN%d, sub_block%d\n",
2162 			instance, sub_block);
2163 
2164 	return poison_stat;
2165 }
2166 
2167 static bool vcn_v4_0_query_ras_poison_status(struct amdgpu_device *adev)
2168 {
2169 	uint32_t inst, sub;
2170 	uint32_t poison_stat = 0;
2171 
2172 	for (inst = 0; inst < adev->vcn.num_vcn_inst; inst++)
2173 		for (sub = 0; sub < AMDGPU_VCN_V4_0_MAX_SUB_BLOCK; sub++)
2174 			poison_stat +=
2175 				vcn_v4_0_query_poison_by_instance(adev, inst, sub);
2176 
2177 	return !!poison_stat;
2178 }
2179 
2180 const struct amdgpu_ras_block_hw_ops vcn_v4_0_ras_hw_ops = {
2181 	.query_poison_status = vcn_v4_0_query_ras_poison_status,
2182 };
2183 
2184 static struct amdgpu_vcn_ras vcn_v4_0_ras = {
2185 	.ras_block = {
2186 		.hw_ops = &vcn_v4_0_ras_hw_ops,
2187 		.ras_late_init = amdgpu_vcn_ras_late_init,
2188 	},
2189 };
2190 
2191 static void vcn_v4_0_set_ras_funcs(struct amdgpu_device *adev)
2192 {
2193 	switch (amdgpu_ip_version(adev, VCN_HWIP, 0)) {
2194 	case IP_VERSION(4, 0, 0):
2195 		adev->vcn.ras = &vcn_v4_0_ras;
2196 		break;
2197 	default:
2198 		break;
2199 	}
2200 }
2201