xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c (revision e9ef810dfee7a2227da9d423aecb0ced35faddbe)
1 /*
2  * Copyright 2023 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 #include "amdgpu.h"
26 #include "amdgpu_vcn.h"
27 #include "amdgpu_pm.h"
28 #include "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_5.h"
35 
36 #include "vcn/vcn_4_0_5_offset.h"
37 #include "vcn/vcn_4_0_5_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 + 0x38000)
49 #define VCN1_AON_SOC_ADDRESS_3_0					(0x48000 + 0x38000)
50 
51 #define VCN_HARVEST_MMSCH							0
52 
53 #define RDECODE_MSG_CREATE							0x00000000
54 #define RDECODE_MESSAGE_CREATE						0x00000001
55 
56 static const struct amdgpu_hwip_reg_entry vcn_reg_list_4_0_5[] = {
57 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_POWER_STATUS),
58 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_STATUS),
59 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID),
60 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID2),
61 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA0),
62 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA1),
63 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_CMD),
64 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI),
65 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO),
66 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI2),
67 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO2),
68 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI3),
69 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO3),
70 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI4),
71 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO4),
72 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR),
73 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR),
74 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR2),
75 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR2),
76 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR3),
77 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR3),
78 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR4),
79 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR4),
80 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE),
81 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE2),
82 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE3),
83 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE4),
84 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_PGFSM_CONFIG),
85 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_PGFSM_STATUS),
86 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_CTL),
87 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_DATA),
88 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_MASK),
89 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_PAUSE)
90 };
91 
92 static int amdgpu_ih_clientid_vcns[] = {
93 	SOC15_IH_CLIENTID_VCN,
94 	SOC15_IH_CLIENTID_VCN1
95 };
96 
97 static void vcn_v4_0_5_set_unified_ring_funcs(struct amdgpu_device *adev);
98 static void vcn_v4_0_5_set_irq_funcs(struct amdgpu_device *adev);
99 static int vcn_v4_0_5_set_pg_state(struct amdgpu_vcn_inst *vinst,
100 				   enum amd_powergating_state state);
101 static int vcn_v4_0_5_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
102 				     struct dpg_pause_state *new_state);
103 static void vcn_v4_0_5_unified_ring_set_wptr(struct amdgpu_ring *ring);
104 
105 /**
106  * vcn_v4_0_5_early_init - set function pointers and load microcode
107  *
108  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
109  *
110  * Set ring and irq function pointers
111  * Load microcode from filesystem
112  */
vcn_v4_0_5_early_init(struct amdgpu_ip_block * ip_block)113 static int vcn_v4_0_5_early_init(struct amdgpu_ip_block *ip_block)
114 {
115 	struct amdgpu_device *adev = ip_block->adev;
116 	int i, r;
117 
118 	if (amdgpu_ip_version(adev, UVD_HWIP, 0) == IP_VERSION(4, 0, 6))
119 		adev->vcn.per_inst_fw = true;
120 
121 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i)
122 		/* re-use enc ring as unified ring */
123 		adev->vcn.inst[i].num_enc_rings = 1;
124 	vcn_v4_0_5_set_unified_ring_funcs(adev);
125 	vcn_v4_0_5_set_irq_funcs(adev);
126 
127 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
128 		adev->vcn.inst[i].set_pg_state = vcn_v4_0_5_set_pg_state;
129 
130 		r = amdgpu_vcn_early_init(adev, i);
131 		if (r)
132 			return r;
133 	}
134 
135 	return 0;
136 }
137 
138 /**
139  * vcn_v4_0_5_sw_init - sw init for VCN block
140  *
141  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
142  *
143  * Load firmware and sw initialization
144  */
vcn_v4_0_5_sw_init(struct amdgpu_ip_block * ip_block)145 static int vcn_v4_0_5_sw_init(struct amdgpu_ip_block *ip_block)
146 {
147 	struct amdgpu_ring *ring;
148 	struct amdgpu_device *adev = ip_block->adev;
149 	int i, r;
150 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_4_0_5);
151 	uint32_t *ptr;
152 
153 
154 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
155 		volatile struct amdgpu_vcn4_fw_shared *fw_shared;
156 
157 		if (adev->vcn.harvest_config & (1 << i))
158 			continue;
159 
160 		r = amdgpu_vcn_sw_init(adev, i);
161 		if (r)
162 			return r;
163 
164 		amdgpu_vcn_setup_ucode(adev, i);
165 
166 		r = amdgpu_vcn_resume(adev, i);
167 		if (r)
168 			return r;
169 
170 		atomic_set(&adev->vcn.inst[i].sched_score, 0);
171 
172 		/* VCN UNIFIED TRAP */
173 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
174 				VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
175 		if (r)
176 			return r;
177 
178 		/* VCN POISON TRAP */
179 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
180 				VCN_4_0__SRCID_UVD_POISON, &adev->vcn.inst[i].irq);
181 		if (r)
182 			return r;
183 
184 		ring = &adev->vcn.inst[i].ring_enc[0];
185 		ring->use_doorbell = true;
186 		if (amdgpu_sriov_vf(adev))
187 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
188 						i * (adev->vcn.inst[i].num_enc_rings + 1) + 1;
189 		else
190 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
191 						2 + 8 * i;
192 		ring->vm_hub = AMDGPU_MMHUB0(0);
193 		sprintf(ring->name, "vcn_unified_%d", i);
194 
195 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
196 				AMDGPU_RING_PRIO_0, &adev->vcn.inst[i].sched_score);
197 		if (r)
198 			return r;
199 
200 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
201 		fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_FW_SHARED_FLAG_0_UNIFIED_QUEUE);
202 		fw_shared->sq.is_enabled = 1;
203 
204 		fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_SMU_DPM_INTERFACE_FLAG);
205 		fw_shared->smu_dpm_interface.smu_interface_type = (adev->flags & AMD_IS_APU) ?
206 			AMDGPU_VCN_SMU_DPM_INTERFACE_APU : AMDGPU_VCN_SMU_DPM_INTERFACE_DGPU;
207 
208 		if (amdgpu_sriov_vf(adev))
209 			fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_SETUP_FLAG);
210 
211 		fw_shared->present_flag_0 |= AMDGPU_FW_SHARED_FLAG_0_DRM_KEY_INJECT;
212 		fw_shared->drm_key_wa.method =
213 			AMDGPU_DRM_KEY_INJECT_WORKAROUND_VCNFW_ASD_HANDSHAKING;
214 
215 		if (amdgpu_vcnfw_log)
216 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
217 
218 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
219 			adev->vcn.inst[i].pause_dpg_mode = vcn_v4_0_5_pause_dpg_mode;
220 	}
221 
222 	adev->vcn.supported_reset = amdgpu_get_soft_full_reset_mask(&adev->vcn.inst[0].ring_enc[0]);
223 	if (!amdgpu_sriov_vf(adev))
224 		adev->vcn.supported_reset |= AMDGPU_RESET_TYPE_PER_QUEUE;
225 
226 	r = amdgpu_vcn_sysfs_reset_mask_init(adev);
227 	if (r)
228 		return r;
229 
230 	if (amdgpu_sriov_vf(adev)) {
231 		r = amdgpu_virt_alloc_mm_table(adev);
232 		if (r)
233 			return r;
234 	}
235 
236 	/* Allocate memory for VCN IP Dump buffer */
237 	ptr = kcalloc(adev->vcn.num_vcn_inst * reg_count, sizeof(uint32_t), GFP_KERNEL);
238 	if (!ptr) {
239 		DRM_ERROR("Failed to allocate memory for VCN IP Dump\n");
240 		adev->vcn.ip_dump = NULL;
241 	} else {
242 		adev->vcn.ip_dump = ptr;
243 	}
244 	return 0;
245 }
246 
247 /**
248  * vcn_v4_0_5_sw_fini - sw fini for VCN block
249  *
250  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
251  *
252  * VCN suspend and free up sw allocation
253  */
vcn_v4_0_5_sw_fini(struct amdgpu_ip_block * ip_block)254 static int vcn_v4_0_5_sw_fini(struct amdgpu_ip_block *ip_block)
255 {
256 	struct amdgpu_device *adev = ip_block->adev;
257 	int i, r, idx;
258 
259 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
260 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
261 			volatile struct amdgpu_vcn4_fw_shared *fw_shared;
262 
263 			if (adev->vcn.harvest_config & (1 << i))
264 				continue;
265 
266 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
267 			fw_shared->present_flag_0 = 0;
268 			fw_shared->sq.is_enabled = 0;
269 		}
270 
271 		drm_dev_exit(idx);
272 	}
273 
274 	if (amdgpu_sriov_vf(adev))
275 		amdgpu_virt_free_mm_table(adev);
276 
277 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
278 		r = amdgpu_vcn_suspend(adev, i);
279 		if (r)
280 			return r;
281 
282 		r = amdgpu_vcn_sw_fini(adev, i);
283 		if (r)
284 			return r;
285 	}
286 
287 	kfree(adev->vcn.ip_dump);
288 
289 	return 0;
290 }
291 
292 /**
293  * vcn_v4_0_5_hw_init - start and test VCN block
294  *
295  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
296  *
297  * Initialize the hardware, boot up the VCPU and do some testing
298  */
vcn_v4_0_5_hw_init(struct amdgpu_ip_block * ip_block)299 static int vcn_v4_0_5_hw_init(struct amdgpu_ip_block *ip_block)
300 {
301 	struct amdgpu_device *adev = ip_block->adev;
302 	struct amdgpu_ring *ring;
303 	int i, r;
304 
305 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
306 		if (adev->vcn.harvest_config & (1 << i))
307 			continue;
308 
309 		ring = &adev->vcn.inst[i].ring_enc[0];
310 
311 		adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
312 				((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i), i);
313 
314 		r = amdgpu_ring_test_helper(ring);
315 		if (r)
316 			return r;
317 	}
318 
319 	return 0;
320 }
321 
322 /**
323  * vcn_v4_0_5_hw_fini - stop the hardware block
324  *
325  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
326  *
327  * Stop the VCN block, mark ring as not ready any more
328  */
vcn_v4_0_5_hw_fini(struct amdgpu_ip_block * ip_block)329 static int vcn_v4_0_5_hw_fini(struct amdgpu_ip_block *ip_block)
330 {
331 	struct amdgpu_device *adev = ip_block->adev;
332 	int i;
333 
334 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
335 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
336 
337 		if (adev->vcn.harvest_config & (1 << i))
338 			continue;
339 
340 		cancel_delayed_work_sync(&vinst->idle_work);
341 
342 		if (!amdgpu_sriov_vf(adev)) {
343 			if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
344 			    (vinst->cur_state != AMD_PG_STATE_GATE &&
345 			     RREG32_SOC15(VCN, i, regUVD_STATUS))) {
346 				vinst->set_pg_state(vinst, AMD_PG_STATE_GATE);
347 			}
348 		}
349 	}
350 
351 	return 0;
352 }
353 
354 /**
355  * vcn_v4_0_5_suspend - suspend VCN block
356  *
357  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
358  *
359  * HW fini and suspend VCN block
360  */
vcn_v4_0_5_suspend(struct amdgpu_ip_block * ip_block)361 static int vcn_v4_0_5_suspend(struct amdgpu_ip_block *ip_block)
362 {
363 	struct amdgpu_device *adev = ip_block->adev;
364 	int r, i;
365 
366 	r = vcn_v4_0_5_hw_fini(ip_block);
367 	if (r)
368 		return r;
369 
370 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
371 		r = amdgpu_vcn_suspend(ip_block->adev, i);
372 		if (r)
373 			return r;
374 	}
375 
376 	return r;
377 }
378 
379 /**
380  * vcn_v4_0_5_resume - resume VCN block
381  *
382  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
383  *
384  * Resume firmware and hw init VCN block
385  */
vcn_v4_0_5_resume(struct amdgpu_ip_block * ip_block)386 static int vcn_v4_0_5_resume(struct amdgpu_ip_block *ip_block)
387 {
388 	struct amdgpu_device *adev = ip_block->adev;
389 	int r, i;
390 
391 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
392 		r = amdgpu_vcn_resume(ip_block->adev, i);
393 		if (r)
394 			return r;
395 	}
396 
397 	r = vcn_v4_0_5_hw_init(ip_block);
398 
399 	return r;
400 }
401 
402 /**
403  * vcn_v4_0_5_mc_resume - memory controller programming
404  *
405  * @vinst: VCN instance
406  *
407  * Let the VCN memory controller know it's offsets
408  */
vcn_v4_0_5_mc_resume(struct amdgpu_vcn_inst * vinst)409 static void vcn_v4_0_5_mc_resume(struct amdgpu_vcn_inst *vinst)
410 {
411 	struct amdgpu_device *adev = vinst->adev;
412 	int inst = vinst->inst;
413 	uint32_t offset, size;
414 	const struct common_firmware_header *hdr;
415 
416 	hdr = (const struct common_firmware_header *)adev->vcn.inst[inst].fw->data;
417 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
418 
419 	/* cache window 0: fw */
420 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
421 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
422 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
423 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
424 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
425 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, 0);
426 		offset = 0;
427 	} else {
428 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
429 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
430 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
431 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
432 		offset = size;
433 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
434 	}
435 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE0, size);
436 
437 	/* cache window 1: stack */
438 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
439 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
440 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
441 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
442 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET1, 0);
443 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
444 
445 	/* cache window 2: context */
446 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
447 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
448 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
449 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
450 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET2, 0);
451 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
452 
453 	/* non-cache window */
454 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
455 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
456 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
457 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
458 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_OFFSET0, 0);
459 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_SIZE0,
460 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)));
461 }
462 
463 /**
464  * vcn_v4_0_5_mc_resume_dpg_mode - memory controller programming for dpg mode
465  *
466  * @vinst: VCN instance
467  * @indirect: indirectly write sram
468  *
469  * Let the VCN memory controller know it's offsets with dpg mode
470  */
vcn_v4_0_5_mc_resume_dpg_mode(struct amdgpu_vcn_inst * vinst,bool indirect)471 static void vcn_v4_0_5_mc_resume_dpg_mode(struct amdgpu_vcn_inst *vinst,
472 					  bool indirect)
473 {
474 	struct amdgpu_device *adev = vinst->adev;
475 	int inst_idx = vinst->inst;
476 	uint32_t offset, size;
477 	const struct common_firmware_header *hdr;
478 
479 	hdr = (const struct common_firmware_header *)adev->vcn.inst[inst_idx].fw->data;
480 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
481 
482 	/* cache window 0: fw */
483 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
484 		if (!indirect) {
485 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
486 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
487 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo),
488 			0, indirect);
489 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
490 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
491 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi),
492 			0, indirect);
493 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
494 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
495 		} else {
496 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
497 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
498 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
499 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
500 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
501 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
502 		}
503 		offset = 0;
504 	} else {
505 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
506 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
507 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
508 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
509 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
510 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
511 		offset = size;
512 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
513 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0),
514 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
515 	}
516 
517 	if (!indirect)
518 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
519 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
520 	else
521 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
522 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
523 
524 	/* cache window 1: stack */
525 	if (!indirect) {
526 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
527 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
528 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
529 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
530 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
531 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
532 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
533 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
534 	} else {
535 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
536 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
537 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
538 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
539 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
540 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
541 	}
542 
543 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
544 		VCN, inst_idx, regUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
545 
546 	/* cache window 2: context */
547 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
548 		VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
549 		lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
550 		0, indirect);
551 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
552 		VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
553 		upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE),
554 		0, indirect);
555 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
556 		VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
557 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
558 		VCN, inst_idx, regUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
559 
560 	/* non-cache window */
561 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
562 		VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
563 		lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
564 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
565 		VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
566 		upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
567 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
568 		VCN, inst_idx, regUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
569 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
570 		VCN, inst_idx, regUVD_VCPU_NONCACHE_SIZE0),
571 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)), 0, indirect);
572 
573 	/* VCN global tiling registers */
574 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
575 		VCN, inst_idx, regUVD_GFX10_ADDR_CONFIG),
576 		adev->gfx.config.gb_addr_config, 0, indirect);
577 }
578 
579 /**
580  * vcn_v4_0_5_disable_static_power_gating - disable VCN static power gating
581  *
582  * @vinst: VCN instance
583  *
584  * Disable static power gating for VCN block
585  */
vcn_v4_0_5_disable_static_power_gating(struct amdgpu_vcn_inst * vinst)586 static void vcn_v4_0_5_disable_static_power_gating(struct amdgpu_vcn_inst *vinst)
587 {
588 	struct amdgpu_device *adev = vinst->adev;
589 	int inst = vinst->inst;
590 	uint32_t data = 0;
591 
592 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
593 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
594 					1 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT);
595 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS, 0,
596 					UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
597 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
598 					2 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT);
599 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
600 					1 << UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS__SHIFT,
601 					UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
602 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
603 					2 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT);
604 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
605 					1 << UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS__SHIFT,
606 					UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
607 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
608 					2 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT);
609 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
610 					1 << UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS__SHIFT,
611 					UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
612 	} else {
613 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
614 			1 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT);
615 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
616 			0, UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
617 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
618 			1 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT);
619 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
620 			0, UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
621 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
622 			1 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT);
623 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
624 			0, UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
625 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
626 			1 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT);
627 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
628 			0, UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
629 	}
630 
631 	data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
632 	data &= ~0x103;
633 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
634 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
635 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
636 	WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
637 }
638 
639 /**
640  * vcn_v4_0_5_enable_static_power_gating - enable VCN static power gating
641  *
642  * @vinst: VCN instance
643  *
644  * Enable static power gating for VCN block
645  */
vcn_v4_0_5_enable_static_power_gating(struct amdgpu_vcn_inst * vinst)646 static void vcn_v4_0_5_enable_static_power_gating(struct amdgpu_vcn_inst *vinst)
647 {
648 	struct amdgpu_device *adev = vinst->adev;
649 	int inst = vinst->inst;
650 	uint32_t data;
651 
652 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
653 		/* Before power off, this indicator has to be turned on */
654 		data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
655 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
656 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
657 		WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
658 
659 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
660 			2 << UVD_IPX_DLDO_CONFIG__ONO5_PWR_CONFIG__SHIFT);
661 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
662 			1 << UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS__SHIFT,
663 			UVD_IPX_DLDO_STATUS__ONO5_PWR_STATUS_MASK);
664 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
665 			2 << UVD_IPX_DLDO_CONFIG__ONO4_PWR_CONFIG__SHIFT);
666 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
667 			1 << UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS__SHIFT,
668 			UVD_IPX_DLDO_STATUS__ONO4_PWR_STATUS_MASK);
669 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
670 			2 << UVD_IPX_DLDO_CONFIG__ONO3_PWR_CONFIG__SHIFT);
671 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
672 			1 << UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS__SHIFT,
673 			UVD_IPX_DLDO_STATUS__ONO3_PWR_STATUS_MASK);
674 		WREG32_SOC15(VCN, inst, regUVD_IPX_DLDO_CONFIG,
675 			2 << UVD_IPX_DLDO_CONFIG__ONO2_PWR_CONFIG__SHIFT);
676 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_IPX_DLDO_STATUS,
677 			1 << UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS__SHIFT,
678 			UVD_IPX_DLDO_STATUS__ONO2_PWR_STATUS_MASK);
679 	}
680 }
681 
682 /**
683  * vcn_v4_0_5_disable_clock_gating - disable VCN clock gating
684  *
685  * @vinst: VCN instance
686  *
687  * Disable clock gating for VCN block
688  */
vcn_v4_0_5_disable_clock_gating(struct amdgpu_vcn_inst * vinst)689 static void vcn_v4_0_5_disable_clock_gating(struct amdgpu_vcn_inst *vinst)
690 {
691 	struct amdgpu_device *adev = vinst->adev;
692 	int inst = vinst->inst;
693 	uint32_t data;
694 
695 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
696 		return;
697 
698 	/* VCN disable CGC */
699 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
700 	data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
701 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
702 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
703 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
704 
705 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_GATE);
706 	data &= ~(UVD_CGC_GATE__SYS_MASK
707 		| UVD_CGC_GATE__UDEC_MASK
708 		| UVD_CGC_GATE__MPEG2_MASK
709 		| UVD_CGC_GATE__REGS_MASK
710 		| UVD_CGC_GATE__RBC_MASK
711 		| UVD_CGC_GATE__LMI_MC_MASK
712 		| UVD_CGC_GATE__LMI_UMC_MASK
713 		| UVD_CGC_GATE__IDCT_MASK
714 		| UVD_CGC_GATE__MPRD_MASK
715 		| UVD_CGC_GATE__MPC_MASK
716 		| UVD_CGC_GATE__LBSI_MASK
717 		| UVD_CGC_GATE__LRBBM_MASK
718 		| UVD_CGC_GATE__UDEC_RE_MASK
719 		| UVD_CGC_GATE__UDEC_CM_MASK
720 		| UVD_CGC_GATE__UDEC_IT_MASK
721 		| UVD_CGC_GATE__UDEC_DB_MASK
722 		| UVD_CGC_GATE__UDEC_MP_MASK
723 		| UVD_CGC_GATE__WCB_MASK
724 		| UVD_CGC_GATE__VCPU_MASK
725 		| UVD_CGC_GATE__MMSCH_MASK);
726 
727 	WREG32_SOC15(VCN, inst, regUVD_CGC_GATE, data);
728 	SOC15_WAIT_ON_RREG(VCN, inst, regUVD_CGC_GATE, 0,  0xFFFFFFFF);
729 
730 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
731 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
732 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
733 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
734 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
735 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
736 		| UVD_CGC_CTRL__SYS_MODE_MASK
737 		| UVD_CGC_CTRL__UDEC_MODE_MASK
738 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
739 		| UVD_CGC_CTRL__REGS_MODE_MASK
740 		| UVD_CGC_CTRL__RBC_MODE_MASK
741 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
742 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
743 		| UVD_CGC_CTRL__IDCT_MODE_MASK
744 		| UVD_CGC_CTRL__MPRD_MODE_MASK
745 		| UVD_CGC_CTRL__MPC_MODE_MASK
746 		| UVD_CGC_CTRL__LBSI_MODE_MASK
747 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
748 		| UVD_CGC_CTRL__WCB_MODE_MASK
749 		| UVD_CGC_CTRL__VCPU_MODE_MASK
750 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
751 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
752 
753 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_GATE);
754 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
755 		| UVD_SUVD_CGC_GATE__SIT_MASK
756 		| UVD_SUVD_CGC_GATE__SMP_MASK
757 		| UVD_SUVD_CGC_GATE__SCM_MASK
758 		| UVD_SUVD_CGC_GATE__SDB_MASK
759 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
760 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
761 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
762 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
763 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
764 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
765 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
766 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
767 		| UVD_SUVD_CGC_GATE__SCLR_MASK
768 		| UVD_SUVD_CGC_GATE__UVD_SC_MASK
769 		| UVD_SUVD_CGC_GATE__ENT_MASK
770 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
771 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
772 		| UVD_SUVD_CGC_GATE__SITE_MASK
773 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
774 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
775 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
776 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
777 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
778 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_GATE, data);
779 
780 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL);
781 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
782 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
783 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
784 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
785 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
786 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
787 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
788 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
789 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
790 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
791 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL, data);
792 }
793 
794 /**
795  * vcn_v4_0_5_disable_clock_gating_dpg_mode - disable VCN clock gating dpg mode
796  *
797  * @vinst: VCN instance
798  * @sram_sel: sram select
799  * @indirect: indirectly write sram
800  *
801  * Disable clock gating for VCN block with dpg mode
802  */
vcn_v4_0_5_disable_clock_gating_dpg_mode(struct amdgpu_vcn_inst * vinst,uint8_t sram_sel,uint8_t indirect)803 static void vcn_v4_0_5_disable_clock_gating_dpg_mode(struct amdgpu_vcn_inst *vinst,
804 						     uint8_t sram_sel,
805 						     uint8_t indirect)
806 {
807 	struct amdgpu_device *adev = vinst->adev;
808 	int inst_idx = vinst->inst;
809 	uint32_t reg_data = 0;
810 
811 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
812 		return;
813 
814 	/* enable sw clock gating control */
815 	reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
816 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
817 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
818 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
819 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
820 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
821 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
822 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
823 		 UVD_CGC_CTRL__SYS_MODE_MASK |
824 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
825 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
826 		 UVD_CGC_CTRL__REGS_MODE_MASK |
827 		 UVD_CGC_CTRL__RBC_MODE_MASK |
828 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
829 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
830 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
831 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
832 		 UVD_CGC_CTRL__MPC_MODE_MASK |
833 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
834 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
835 		 UVD_CGC_CTRL__WCB_MODE_MASK |
836 		 UVD_CGC_CTRL__VCPU_MODE_MASK);
837 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
838 		VCN, inst_idx, regUVD_CGC_CTRL), reg_data, sram_sel, indirect);
839 
840 	/* turn off clock gating */
841 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
842 		VCN, inst_idx, regUVD_CGC_GATE), 0, sram_sel, indirect);
843 
844 	/* turn on SUVD clock gating */
845 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
846 		VCN, inst_idx, regUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
847 
848 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
849 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
850 		VCN, inst_idx, regUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
851 }
852 
853 /**
854  * vcn_v4_0_5_enable_clock_gating - enable VCN clock gating
855  *
856  * @vinst: VCN instance
857  *
858  * Enable clock gating for VCN block
859  */
vcn_v4_0_5_enable_clock_gating(struct amdgpu_vcn_inst * vinst)860 static void vcn_v4_0_5_enable_clock_gating(struct amdgpu_vcn_inst *vinst)
861 {
862 	struct amdgpu_device *adev = vinst->adev;
863 	int inst = vinst->inst;
864 	uint32_t data;
865 
866 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
867 		return;
868 
869 	/* enable VCN CGC */
870 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
871 	data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
872 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
873 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
874 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
875 
876 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
877 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
878 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
879 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
880 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
881 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
882 		| UVD_CGC_CTRL__SYS_MODE_MASK
883 		| UVD_CGC_CTRL__UDEC_MODE_MASK
884 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
885 		| UVD_CGC_CTRL__REGS_MODE_MASK
886 		| UVD_CGC_CTRL__RBC_MODE_MASK
887 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
888 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
889 		| UVD_CGC_CTRL__IDCT_MODE_MASK
890 		| UVD_CGC_CTRL__MPRD_MODE_MASK
891 		| UVD_CGC_CTRL__MPC_MODE_MASK
892 		| UVD_CGC_CTRL__LBSI_MODE_MASK
893 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
894 		| UVD_CGC_CTRL__WCB_MODE_MASK
895 		| UVD_CGC_CTRL__VCPU_MODE_MASK
896 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
897 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
898 
899 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL);
900 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
901 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
902 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
903 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
904 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
905 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
906 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
907 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
908 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
909 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
910 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL, data);
911 }
912 
913 /**
914  * vcn_v4_0_5_start_dpg_mode - VCN start with dpg mode
915  *
916  * @vinst: VCN instance
917  * @indirect: indirectly write sram
918  *
919  * Start VCN block with dpg mode
920  */
vcn_v4_0_5_start_dpg_mode(struct amdgpu_vcn_inst * vinst,bool indirect)921 static int vcn_v4_0_5_start_dpg_mode(struct amdgpu_vcn_inst *vinst,
922 				     bool indirect)
923 {
924 	struct amdgpu_device *adev = vinst->adev;
925 	int inst_idx = vinst->inst;
926 	volatile struct amdgpu_vcn4_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
927 	struct amdgpu_ring *ring;
928 	uint32_t tmp;
929 
930 	/* disable register anti-hang mechanism */
931 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 1,
932 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
933 	/* enable dynamic power gating mode */
934 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS);
935 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
936 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
937 	WREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS, tmp);
938 
939 	if (indirect)
940 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr =
941 					(uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
942 
943 	/* enable clock gating */
944 	vcn_v4_0_5_disable_clock_gating_dpg_mode(vinst, 0, indirect);
945 
946 	/* enable VCPU clock */
947 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
948 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK | UVD_VCPU_CNTL__BLK_RST_MASK;
949 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
950 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
951 
952 	/* disable master interrupt */
953 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
954 		VCN, inst_idx, regUVD_MASTINT_EN), 0, 0, indirect);
955 
956 	/* setup regUVD_LMI_CTRL */
957 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
958 		UVD_LMI_CTRL__REQ_MODE_MASK |
959 		UVD_LMI_CTRL__CRC_RESET_MASK |
960 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
961 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
962 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
963 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
964 		0x00100000L);
965 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
966 		VCN, inst_idx, regUVD_LMI_CTRL), tmp, 0, indirect);
967 
968 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
969 		VCN, inst_idx, regUVD_MPC_CNTL),
970 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
971 
972 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
973 		VCN, inst_idx, regUVD_MPC_SET_MUXA0),
974 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
975 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
976 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
977 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
978 
979 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
980 		VCN, inst_idx, regUVD_MPC_SET_MUXB0),
981 		 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
982 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
983 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
984 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
985 
986 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
987 		VCN, inst_idx, regUVD_MPC_SET_MUX),
988 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
989 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
990 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
991 
992 	vcn_v4_0_5_mc_resume_dpg_mode(vinst, indirect);
993 
994 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
995 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
996 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
997 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
998 
999 	/* enable LMI MC and UMC channels */
1000 	tmp = 0x1f << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT;
1001 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1002 		VCN, inst_idx, regUVD_LMI_CTRL2), tmp, 0, indirect);
1003 
1004 	/* enable master interrupt */
1005 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1006 		VCN, inst_idx, regUVD_MASTINT_EN),
1007 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
1008 
1009 	if (indirect)
1010 		amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
1011 
1012 	ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1013 
1014 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_LO, ring->gpu_addr);
1015 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1016 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_SIZE, ring->ring_size / 4);
1017 
1018 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
1019 	tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
1020 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
1021 	fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
1022 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR, 0);
1023 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, 0);
1024 
1025 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR);
1026 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, tmp);
1027 	ring->wptr = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
1028 
1029 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
1030 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
1031 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
1032 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
1033 
1034 	WREG32_SOC15(VCN, inst_idx, regVCN_RB1_DB_CTRL,
1035 			ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
1036 			VCN_RB1_DB_CTRL__EN_MASK);
1037 
1038 	/* Keeping one read-back to ensure all register writes are done, otherwise
1039 	 * it may introduce race conditions */
1040 	RREG32_SOC15(VCN, inst_idx, regVCN_RB1_DB_CTRL);
1041 
1042 	return 0;
1043 }
1044 
1045 
1046 /**
1047  * vcn_v4_0_5_start - VCN start
1048  *
1049  * @vinst: VCN instance
1050  *
1051  * Start VCN block
1052  */
vcn_v4_0_5_start(struct amdgpu_vcn_inst * vinst)1053 static int vcn_v4_0_5_start(struct amdgpu_vcn_inst *vinst)
1054 {
1055 	struct amdgpu_device *adev = vinst->adev;
1056 	int i = vinst->inst;
1057 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
1058 	struct amdgpu_ring *ring;
1059 	uint32_t tmp;
1060 	int j, k, r;
1061 
1062 	if (adev->vcn.harvest_config & (1 << i))
1063 		return 0;
1064 
1065 	if (adev->pm.dpm_enabled)
1066 		amdgpu_dpm_enable_vcn(adev, true, i);
1067 
1068 	fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1069 
1070 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
1071 		return vcn_v4_0_5_start_dpg_mode(vinst, adev->vcn.inst[i].indirect_sram);
1072 
1073 	/* disable VCN power gating */
1074 	vcn_v4_0_5_disable_static_power_gating(vinst);
1075 
1076 	/* set VCN status busy */
1077 	tmp = RREG32_SOC15(VCN, i, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
1078 	WREG32_SOC15(VCN, i, regUVD_STATUS, tmp);
1079 
1080 	/* SW clock gating */
1081 	vcn_v4_0_5_disable_clock_gating(vinst);
1082 
1083 	/* enable VCPU clock */
1084 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1085 		 UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1086 
1087 	/* disable master interrupt */
1088 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN), 0,
1089 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1090 
1091 	/* enable LMI MC and UMC channels */
1092 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_LMI_CTRL2), 0,
1093 		 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1094 
1095 	tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1096 	tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1097 	tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1098 	WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1099 
1100 	/* setup regUVD_LMI_CTRL */
1101 	tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL);
1102 	WREG32_SOC15(VCN, i, regUVD_LMI_CTRL, tmp |
1103 		     UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1104 		     UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1105 		     UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1106 		     UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1107 
1108 	/* setup regUVD_MPC_CNTL */
1109 	tmp = RREG32_SOC15(VCN, i, regUVD_MPC_CNTL);
1110 	tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1111 	tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1112 	WREG32_SOC15(VCN, i, regUVD_MPC_CNTL, tmp);
1113 
1114 	/* setup UVD_MPC_SET_MUXA0 */
1115 	WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUXA0,
1116 		     ((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1117 		      (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1118 		      (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1119 		      (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1120 
1121 	/* setup UVD_MPC_SET_MUXB0 */
1122 	WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUXB0,
1123 		     ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1124 		      (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1125 		      (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1126 		      (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1127 
1128 	/* setup UVD_MPC_SET_MUX */
1129 	WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUX,
1130 		     ((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1131 		      (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1132 		      (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1133 
1134 	vcn_v4_0_5_mc_resume(vinst);
1135 
1136 	/* VCN global tiling registers */
1137 	WREG32_SOC15(VCN, i, regUVD_GFX10_ADDR_CONFIG,
1138 		     adev->gfx.config.gb_addr_config);
1139 
1140 	/* unblock VCPU register access */
1141 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL), 0,
1142 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1143 
1144 	/* release VCPU reset to boot */
1145 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1146 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1147 
1148 	for (j = 0; j < 10; ++j) {
1149 		uint32_t status;
1150 
1151 		for (k = 0; k < 100; ++k) {
1152 			status = RREG32_SOC15(VCN, i, regUVD_STATUS);
1153 			if (status & 2)
1154 				break;
1155 			mdelay(10);
1156 			if (amdgpu_emu_mode == 1)
1157 				msleep(1);
1158 		}
1159 
1160 		if (amdgpu_emu_mode == 1) {
1161 			r = -1;
1162 			if (status & 2) {
1163 				r = 0;
1164 				break;
1165 			}
1166 		} else {
1167 			r = 0;
1168 			if (status & 2)
1169 				break;
1170 
1171 			dev_err(adev->dev,
1172 				"VCN[%d] is not responding, trying to reset VCPU!!!\n", i);
1173 			WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1174 				 UVD_VCPU_CNTL__BLK_RST_MASK,
1175 				 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1176 			mdelay(10);
1177 			WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1178 				 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1179 
1180 			mdelay(10);
1181 			r = -1;
1182 		}
1183 	}
1184 
1185 	if (r) {
1186 		dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", i);
1187 		return r;
1188 	}
1189 
1190 	/* enable master interrupt */
1191 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN),
1192 		 UVD_MASTINT_EN__VCPU_EN_MASK,
1193 		 ~UVD_MASTINT_EN__VCPU_EN_MASK);
1194 
1195 	/* clear the busy bit of VCN_STATUS */
1196 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_STATUS), 0,
1197 		 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1198 
1199 	ring = &adev->vcn.inst[i].ring_enc[0];
1200 	WREG32_SOC15(VCN, i, regVCN_RB1_DB_CTRL,
1201 		     ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
1202 		     VCN_RB1_DB_CTRL__EN_MASK);
1203 
1204 	WREG32_SOC15(VCN, i, regUVD_RB_BASE_LO, ring->gpu_addr);
1205 	WREG32_SOC15(VCN, i, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1206 	WREG32_SOC15(VCN, i, regUVD_RB_SIZE, ring->ring_size / 4);
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;
1212 	WREG32_SOC15(VCN, i, regUVD_RB_RPTR, 0);
1213 	WREG32_SOC15(VCN, i, regUVD_RB_WPTR, 0);
1214 
1215 	tmp = RREG32_SOC15(VCN, i, regUVD_RB_RPTR);
1216 	WREG32_SOC15(VCN, i, regUVD_RB_WPTR, tmp);
1217 	ring->wptr = RREG32_SOC15(VCN, i, regUVD_RB_WPTR);
1218 
1219 	tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
1220 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
1221 	WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
1222 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
1223 
1224 	/* Keeping one read-back to ensure all register writes are done, otherwise
1225 	 * it may introduce race conditions */
1226 	RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
1227 
1228 	return 0;
1229 }
1230 
1231 /**
1232  * vcn_v4_0_5_stop_dpg_mode - VCN stop with dpg mode
1233  *
1234  * @vinst: VCN instance
1235  *
1236  * Stop VCN block with dpg mode
1237  */
vcn_v4_0_5_stop_dpg_mode(struct amdgpu_vcn_inst * vinst)1238 static void vcn_v4_0_5_stop_dpg_mode(struct amdgpu_vcn_inst *vinst)
1239 {
1240 	struct amdgpu_device *adev = vinst->adev;
1241 	int inst_idx = vinst->inst;
1242 	uint32_t tmp;
1243 
1244 	/* Wait for power status to be 1 */
1245 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
1246 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1247 
1248 	/* wait for read ptr to be equal to write ptr */
1249 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
1250 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1251 
1252 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
1253 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1254 
1255 	/* disable dynamic power gating mode */
1256 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 0,
1257 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1258 
1259 	/* Keeping one read-back to ensure all register writes are done,
1260 	 * otherwise it may introduce race conditions.
1261 	 */
1262 	RREG32_SOC15(VCN, inst_idx, regUVD_STATUS);
1263 }
1264 
1265 /**
1266  * vcn_v4_0_5_stop - VCN stop
1267  *
1268  * @vinst: VCN instance
1269  *
1270  * Stop VCN block
1271  */
vcn_v4_0_5_stop(struct amdgpu_vcn_inst * vinst)1272 static int vcn_v4_0_5_stop(struct amdgpu_vcn_inst *vinst)
1273 {
1274 	struct amdgpu_device *adev = vinst->adev;
1275 	int i = vinst->inst;
1276 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
1277 	uint32_t tmp;
1278 	int r = 0;
1279 
1280 	if (adev->vcn.harvest_config & (1 << i))
1281 		return 0;
1282 
1283 	fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1284 	fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
1285 
1286 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1287 		vcn_v4_0_5_stop_dpg_mode(vinst);
1288 		r = 0;
1289 		goto done;
1290 	}
1291 
1292 	/* wait for vcn idle */
1293 	r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1294 	if (r)
1295 		goto done;
1296 
1297 	tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1298 		UVD_LMI_STATUS__READ_CLEAN_MASK |
1299 		UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1300 		UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1301 	r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
1302 	if (r)
1303 		goto done;
1304 
1305 	/* disable LMI UMC channel */
1306 	tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL2);
1307 	tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1308 	WREG32_SOC15(VCN, i, regUVD_LMI_CTRL2, tmp);
1309 	tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
1310 		UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1311 	r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
1312 	if (r)
1313 		goto done;
1314 
1315 	/* block VCPU register access */
1316 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL),
1317 		 UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1318 		 ~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1319 
1320 	/* reset VCPU */
1321 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1322 		 UVD_VCPU_CNTL__BLK_RST_MASK,
1323 		 ~UVD_VCPU_CNTL__BLK_RST_MASK);
1324 
1325 	/* disable VCPU clock */
1326 	WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1327 		 ~(UVD_VCPU_CNTL__CLK_EN_MASK));
1328 
1329 	/* apply soft reset */
1330 	tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1331 	tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1332 	WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1333 	tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1334 	tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1335 	WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1336 
1337 	/* clear status */
1338 	WREG32_SOC15(VCN, i, regUVD_STATUS, 0);
1339 
1340 	/* apply HW clock gating */
1341 	vcn_v4_0_5_enable_clock_gating(vinst);
1342 
1343 	/* enable VCN power gating */
1344 	vcn_v4_0_5_enable_static_power_gating(vinst);
1345 
1346 	/* Keeping one read-back to ensure all register writes are done,
1347 	 * otherwise it may introduce race conditions.
1348 	 */
1349 	RREG32_SOC15(VCN, i, regUVD_STATUS);
1350 
1351 done:
1352 	if (adev->pm.dpm_enabled)
1353 		amdgpu_dpm_enable_vcn(adev, false, i);
1354 
1355 	return r;
1356 }
1357 
1358 /**
1359  * vcn_v4_0_5_pause_dpg_mode - VCN pause with dpg mode
1360  *
1361  * @vinst: VCN instance
1362  * @new_state: pause state
1363  *
1364  * Pause dpg mode for VCN block
1365  */
vcn_v4_0_5_pause_dpg_mode(struct amdgpu_vcn_inst * vinst,struct dpg_pause_state * new_state)1366 static int vcn_v4_0_5_pause_dpg_mode(struct amdgpu_vcn_inst *vinst,
1367 				     struct dpg_pause_state *new_state)
1368 {
1369 	struct amdgpu_device *adev = vinst->adev;
1370 	int inst_idx = vinst->inst;
1371 	uint32_t reg_data = 0;
1372 	int ret_code;
1373 
1374 	/* pause/unpause if state is changed */
1375 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1376 		DRM_DEV_DEBUG(adev->dev, "dpg pause state changed %d -> %d",
1377 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1378 		reg_data = RREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE) &
1379 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1380 
1381 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1382 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 0x1,
1383 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1384 
1385 			if (!ret_code) {
1386 				/* pause DPG */
1387 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1388 				WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1389 
1390 				/* wait for ACK */
1391 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_DPG_PAUSE,
1392 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1393 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1394 
1395 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS,
1396 					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
1397 					UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1398 			}
1399 		} else {
1400 			/* unpause dpg, no need to wait */
1401 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1402 			WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1403 		}
1404 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1405 	}
1406 
1407 	return 0;
1408 }
1409 
1410 /**
1411  * vcn_v4_0_5_unified_ring_get_rptr - get unified read pointer
1412  *
1413  * @ring: amdgpu_ring pointer
1414  *
1415  * Returns the current hardware unified read pointer
1416  */
vcn_v4_0_5_unified_ring_get_rptr(struct amdgpu_ring * ring)1417 static uint64_t vcn_v4_0_5_unified_ring_get_rptr(struct amdgpu_ring *ring)
1418 {
1419 	struct amdgpu_device *adev = ring->adev;
1420 
1421 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1422 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1423 
1424 	return RREG32_SOC15(VCN, ring->me, regUVD_RB_RPTR);
1425 }
1426 
1427 /**
1428  * vcn_v4_0_5_unified_ring_get_wptr - get unified write pointer
1429  *
1430  * @ring: amdgpu_ring pointer
1431  *
1432  * Returns the current hardware unified write pointer
1433  */
vcn_v4_0_5_unified_ring_get_wptr(struct amdgpu_ring * ring)1434 static uint64_t vcn_v4_0_5_unified_ring_get_wptr(struct amdgpu_ring *ring)
1435 {
1436 	struct amdgpu_device *adev = ring->adev;
1437 
1438 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1439 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1440 
1441 	if (ring->use_doorbell)
1442 		return *ring->wptr_cpu_addr;
1443 	else
1444 		return RREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR);
1445 }
1446 
1447 /**
1448  * vcn_v4_0_5_unified_ring_set_wptr - set enc write pointer
1449  *
1450  * @ring: amdgpu_ring pointer
1451  *
1452  * Commits the enc write pointer to the hardware
1453  */
vcn_v4_0_5_unified_ring_set_wptr(struct amdgpu_ring * ring)1454 static void vcn_v4_0_5_unified_ring_set_wptr(struct amdgpu_ring *ring)
1455 {
1456 	struct amdgpu_device *adev = ring->adev;
1457 
1458 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1459 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1460 
1461 	if (ring->use_doorbell) {
1462 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1463 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1464 	} else {
1465 		WREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR, lower_32_bits(ring->wptr));
1466 	}
1467 }
1468 
vcn_v4_0_5_ring_reset(struct amdgpu_ring * ring,unsigned int vmid,struct amdgpu_fence * timedout_fence)1469 static int vcn_v4_0_5_ring_reset(struct amdgpu_ring *ring,
1470 				 unsigned int vmid,
1471 				 struct amdgpu_fence *timedout_fence)
1472 {
1473 	struct amdgpu_device *adev = ring->adev;
1474 	struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[ring->me];
1475 	int r;
1476 
1477 	amdgpu_ring_reset_helper_begin(ring, timedout_fence);
1478 	r = vcn_v4_0_5_stop(vinst);
1479 	if (r)
1480 		return r;
1481 	r = vcn_v4_0_5_start(vinst);
1482 	if (r)
1483 		return r;
1484 	return amdgpu_ring_reset_helper_end(ring, timedout_fence);
1485 }
1486 
1487 static struct amdgpu_ring_funcs vcn_v4_0_5_unified_ring_vm_funcs = {
1488 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1489 	.align_mask = 0x3f,
1490 	.nop = VCN_ENC_CMD_NO_OP,
1491 	.get_rptr = vcn_v4_0_5_unified_ring_get_rptr,
1492 	.get_wptr = vcn_v4_0_5_unified_ring_get_wptr,
1493 	.set_wptr = vcn_v4_0_5_unified_ring_set_wptr,
1494 	.emit_frame_size =
1495 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1496 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1497 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1498 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1499 		1, /* vcn_v2_0_enc_ring_insert_end */
1500 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1501 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1502 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1503 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1504 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1505 	.test_ib = amdgpu_vcn_unified_ring_test_ib,
1506 	.insert_nop = amdgpu_ring_insert_nop,
1507 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1508 	.pad_ib = amdgpu_ring_generic_pad_ib,
1509 	.begin_use = amdgpu_vcn_ring_begin_use,
1510 	.end_use = amdgpu_vcn_ring_end_use,
1511 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1512 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1513 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1514 	.reset = vcn_v4_0_5_ring_reset,
1515 };
1516 
1517 /**
1518  * vcn_v4_0_5_set_unified_ring_funcs - set unified ring functions
1519  *
1520  * @adev: amdgpu_device pointer
1521  *
1522  * Set unified ring functions
1523  */
vcn_v4_0_5_set_unified_ring_funcs(struct amdgpu_device * adev)1524 static void vcn_v4_0_5_set_unified_ring_funcs(struct amdgpu_device *adev)
1525 {
1526 	int i;
1527 
1528 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1529 		if (adev->vcn.harvest_config & (1 << i))
1530 			continue;
1531 
1532 		if (amdgpu_ip_version(adev, VCN_HWIP, 0) == IP_VERSION(4, 0, 5))
1533 			vcn_v4_0_5_unified_ring_vm_funcs.secure_submission_supported = true;
1534 
1535 		adev->vcn.inst[i].ring_enc[0].funcs = &vcn_v4_0_5_unified_ring_vm_funcs;
1536 		adev->vcn.inst[i].ring_enc[0].me = i;
1537 	}
1538 }
1539 
1540 /**
1541  * vcn_v4_0_5_is_idle - check VCN block is idle
1542  *
1543  * @ip_block: Pointer to the amdgpu_ip_block structure
1544  *
1545  * Check whether VCN block is idle
1546  */
vcn_v4_0_5_is_idle(struct amdgpu_ip_block * ip_block)1547 static bool vcn_v4_0_5_is_idle(struct amdgpu_ip_block *ip_block)
1548 {
1549 	struct amdgpu_device *adev = ip_block->adev;
1550 	int i, ret = 1;
1551 
1552 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1553 		if (adev->vcn.harvest_config & (1 << i))
1554 			continue;
1555 
1556 		ret &= (RREG32_SOC15(VCN, i, regUVD_STATUS) == UVD_STATUS__IDLE);
1557 	}
1558 
1559 	return ret;
1560 }
1561 
1562 /**
1563  * vcn_v4_0_5_wait_for_idle - wait for VCN block idle
1564  *
1565  * @ip_block: Pointer to the amdgpu_ip_block for this hw instance.
1566  *
1567  * Wait for VCN block idle
1568  */
vcn_v4_0_5_wait_for_idle(struct amdgpu_ip_block * ip_block)1569 static int vcn_v4_0_5_wait_for_idle(struct amdgpu_ip_block *ip_block)
1570 {
1571 	struct amdgpu_device *adev = ip_block->adev;
1572 	int i, ret = 0;
1573 
1574 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1575 		if (adev->vcn.harvest_config & (1 << i))
1576 			continue;
1577 
1578 		ret = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE,
1579 			UVD_STATUS__IDLE);
1580 		if (ret)
1581 			return ret;
1582 	}
1583 
1584 	return ret;
1585 }
1586 
1587 /**
1588  * vcn_v4_0_5_set_clockgating_state - set VCN block clockgating state
1589  *
1590  * @ip_block: amdgpu_ip_block pointer
1591  * @state: clock gating state
1592  *
1593  * Set VCN block clockgating state
1594  */
vcn_v4_0_5_set_clockgating_state(struct amdgpu_ip_block * ip_block,enum amd_clockgating_state state)1595 static int vcn_v4_0_5_set_clockgating_state(struct amdgpu_ip_block *ip_block,
1596 					  enum amd_clockgating_state state)
1597 {
1598 	struct amdgpu_device *adev = ip_block->adev;
1599 	bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
1600 	int i;
1601 
1602 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1603 		struct amdgpu_vcn_inst *vinst = &adev->vcn.inst[i];
1604 
1605 		if (adev->vcn.harvest_config & (1 << i))
1606 			continue;
1607 
1608 		if (enable) {
1609 			if (RREG32_SOC15(VCN, i, regUVD_STATUS) != UVD_STATUS__IDLE)
1610 				return -EBUSY;
1611 			vcn_v4_0_5_enable_clock_gating(vinst);
1612 		} else {
1613 			vcn_v4_0_5_disable_clock_gating(vinst);
1614 		}
1615 	}
1616 
1617 	return 0;
1618 }
1619 
vcn_v4_0_5_set_pg_state(struct amdgpu_vcn_inst * vinst,enum amd_powergating_state state)1620 static int vcn_v4_0_5_set_pg_state(struct amdgpu_vcn_inst *vinst,
1621 				   enum amd_powergating_state state)
1622 {
1623 	int ret = 0;
1624 
1625 	if (state == vinst->cur_state)
1626 		return 0;
1627 
1628 	if (state == AMD_PG_STATE_GATE)
1629 		ret = vcn_v4_0_5_stop(vinst);
1630 	else
1631 		ret = vcn_v4_0_5_start(vinst);
1632 
1633 	if (!ret)
1634 		vinst->cur_state = state;
1635 
1636 	return ret;
1637 }
1638 
1639 /**
1640  * vcn_v4_0_5_process_interrupt - process VCN block interrupt
1641  *
1642  * @adev: amdgpu_device pointer
1643  * @source: interrupt sources
1644  * @entry: interrupt entry from clients and sources
1645  *
1646  * Process VCN block interrupt
1647  */
vcn_v4_0_5_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)1648 static int vcn_v4_0_5_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
1649 		struct amdgpu_iv_entry *entry)
1650 {
1651 	uint32_t ip_instance;
1652 
1653 	switch (entry->client_id) {
1654 	case SOC15_IH_CLIENTID_VCN:
1655 		ip_instance = 0;
1656 		break;
1657 	case SOC15_IH_CLIENTID_VCN1:
1658 		ip_instance = 1;
1659 		break;
1660 	default:
1661 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
1662 		return 0;
1663 	}
1664 
1665 	DRM_DEBUG("IH: VCN TRAP\n");
1666 
1667 	switch (entry->src_id) {
1668 	case VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
1669 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
1670 		break;
1671 	case VCN_4_0__SRCID_UVD_POISON:
1672 		amdgpu_vcn_process_poison_irq(adev, source, entry);
1673 		break;
1674 	default:
1675 		DRM_ERROR("Unhandled interrupt: %d %d\n",
1676 			  entry->src_id, entry->src_data[0]);
1677 		break;
1678 	}
1679 
1680 	return 0;
1681 }
1682 
1683 static const struct amdgpu_irq_src_funcs vcn_v4_0_5_irq_funcs = {
1684 	.process = vcn_v4_0_5_process_interrupt,
1685 };
1686 
1687 /**
1688  * vcn_v4_0_5_set_irq_funcs - set VCN block interrupt irq functions
1689  *
1690  * @adev: amdgpu_device pointer
1691  *
1692  * Set VCN block interrupt irq functions
1693  */
vcn_v4_0_5_set_irq_funcs(struct amdgpu_device * adev)1694 static void vcn_v4_0_5_set_irq_funcs(struct amdgpu_device *adev)
1695 {
1696 	int i;
1697 
1698 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1699 		if (adev->vcn.harvest_config & (1 << i))
1700 			continue;
1701 
1702 		adev->vcn.inst[i].irq.num_types = adev->vcn.inst[i].num_enc_rings + 1;
1703 		adev->vcn.inst[i].irq.funcs = &vcn_v4_0_5_irq_funcs;
1704 	}
1705 }
1706 
vcn_v4_0_5_print_ip_state(struct amdgpu_ip_block * ip_block,struct drm_printer * p)1707 static void vcn_v4_0_5_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm_printer *p)
1708 {
1709 	struct amdgpu_device *adev = ip_block->adev;
1710 	int i, j;
1711 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_4_0_5);
1712 	uint32_t inst_off, is_powered;
1713 
1714 	if (!adev->vcn.ip_dump)
1715 		return;
1716 
1717 	drm_printf(p, "num_instances:%d\n", adev->vcn.num_vcn_inst);
1718 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1719 		if (adev->vcn.harvest_config & (1 << i)) {
1720 			drm_printf(p, "\nHarvested Instance:VCN%d Skipping dump\n", i);
1721 			continue;
1722 		}
1723 
1724 		inst_off = i * reg_count;
1725 		is_powered = (adev->vcn.ip_dump[inst_off] &
1726 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
1727 
1728 		if (is_powered) {
1729 			drm_printf(p, "\nActive Instance:VCN%d\n", i);
1730 			for (j = 0; j < reg_count; j++)
1731 				drm_printf(p, "%-50s \t 0x%08x\n", vcn_reg_list_4_0_5[j].reg_name,
1732 					   adev->vcn.ip_dump[inst_off + j]);
1733 		} else {
1734 			drm_printf(p, "\nInactive Instance:VCN%d\n", i);
1735 		}
1736 	}
1737 }
1738 
vcn_v4_0_5_dump_ip_state(struct amdgpu_ip_block * ip_block)1739 static void vcn_v4_0_5_dump_ip_state(struct amdgpu_ip_block *ip_block)
1740 {
1741 	struct amdgpu_device *adev = ip_block->adev;
1742 	int i, j;
1743 	bool is_powered;
1744 	uint32_t inst_off;
1745 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_4_0_5);
1746 
1747 	if (!adev->vcn.ip_dump)
1748 		return;
1749 
1750 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1751 		if (adev->vcn.harvest_config & (1 << i))
1752 			continue;
1753 
1754 		inst_off = i * reg_count;
1755 		/* mmUVD_POWER_STATUS is always readable and is first element of the array */
1756 		adev->vcn.ip_dump[inst_off] = RREG32_SOC15(VCN, i, regUVD_POWER_STATUS);
1757 		is_powered = (adev->vcn.ip_dump[inst_off] &
1758 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
1759 
1760 		if (is_powered)
1761 			for (j = 1; j < reg_count; j++)
1762 				adev->vcn.ip_dump[inst_off + j] =
1763 					RREG32(SOC15_REG_ENTRY_OFFSET_INST(vcn_reg_list_4_0_5[j],
1764 									   i));
1765 	}
1766 }
1767 
1768 static const struct amd_ip_funcs vcn_v4_0_5_ip_funcs = {
1769 	.name = "vcn_v4_0_5",
1770 	.early_init = vcn_v4_0_5_early_init,
1771 	.sw_init = vcn_v4_0_5_sw_init,
1772 	.sw_fini = vcn_v4_0_5_sw_fini,
1773 	.hw_init = vcn_v4_0_5_hw_init,
1774 	.hw_fini = vcn_v4_0_5_hw_fini,
1775 	.suspend = vcn_v4_0_5_suspend,
1776 	.resume = vcn_v4_0_5_resume,
1777 	.is_idle = vcn_v4_0_5_is_idle,
1778 	.wait_for_idle = vcn_v4_0_5_wait_for_idle,
1779 	.set_clockgating_state = vcn_v4_0_5_set_clockgating_state,
1780 	.set_powergating_state = vcn_set_powergating_state,
1781 	.dump_ip_state = vcn_v4_0_5_dump_ip_state,
1782 	.print_ip_state = vcn_v4_0_5_print_ip_state,
1783 };
1784 
1785 const struct amdgpu_ip_block_version vcn_v4_0_5_ip_block = {
1786 	.type = AMD_IP_BLOCK_TYPE_VCN,
1787 	.major = 4,
1788 	.minor = 0,
1789 	.rev = 5,
1790 	.funcs = &vcn_v4_0_5_ip_funcs,
1791 };
1792