xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
1 /*
2  * Copyright 2019 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 "vcn_v2_0.h"
32 #include "mmsch_v3_0.h"
33 #include "vcn_sw_ring.h"
34 
35 #include "vcn/vcn_3_0_0_offset.h"
36 #include "vcn/vcn_3_0_0_sh_mask.h"
37 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
38 
39 #include <drm/drm_drv.h>
40 
41 #define VCN_VID_SOC_ADDRESS_2_0					0x1fa00
42 #define VCN1_VID_SOC_ADDRESS_3_0				0x48200
43 
44 #define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
45 #define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
46 #define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
47 #define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
48 #define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
49 #define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
50 #define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
51 
52 #define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
53 #define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
54 #define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET		0x3b5
55 #define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
56 
57 #define VCN_INSTANCES_SIENNA_CICHLID				2
58 #define DEC_SW_RING_ENABLED					FALSE
59 
60 #define RDECODE_MSG_CREATE					0x00000000
61 #define RDECODE_MESSAGE_CREATE					0x00000001
62 
63 static const struct amdgpu_hwip_reg_entry vcn_reg_list_3_0[] = {
64 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_POWER_STATUS),
65 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_STATUS),
66 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_CONTEXT_ID),
67 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_CONTEXT_ID2),
68 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_DATA0),
69 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_DATA1),
70 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_GPCOM_VCPU_CMD),
71 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI),
72 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO),
73 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI2),
74 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO2),
75 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI3),
76 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO3),
77 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_HI4),
78 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_BASE_LO4),
79 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR),
80 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR),
81 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR2),
82 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR2),
83 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR3),
84 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR3),
85 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_RPTR4),
86 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_WPTR4),
87 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE),
88 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE2),
89 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE3),
90 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_RB_SIZE4),
91 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_PGFSM_CONFIG),
92 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_PGFSM_STATUS),
93 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_CTL),
94 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_DATA),
95 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_LMA_MASK),
96 	SOC15_REG_ENTRY_STR(VCN, 0, mmUVD_DPG_PAUSE)
97 };
98 
99 static int amdgpu_ih_clientid_vcns[] = {
100 	SOC15_IH_CLIENTID_VCN,
101 	SOC15_IH_CLIENTID_VCN1
102 };
103 
104 static int vcn_v3_0_start_sriov(struct amdgpu_device *adev);
105 static void vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev);
106 static void vcn_v3_0_set_enc_ring_funcs(struct amdgpu_device *adev);
107 static void vcn_v3_0_set_irq_funcs(struct amdgpu_device *adev);
108 static int vcn_v3_0_set_powergating_state(void *handle,
109 			enum amd_powergating_state state);
110 static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev,
111 			int inst_idx, struct dpg_pause_state *new_state);
112 
113 static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring);
114 static void vcn_v3_0_enc_ring_set_wptr(struct amdgpu_ring *ring);
115 
116 /**
117  * vcn_v3_0_early_init - set function pointers and load microcode
118  *
119  * @handle: amdgpu_device pointer
120  *
121  * Set ring and irq function pointers
122  * Load microcode from filesystem
123  */
vcn_v3_0_early_init(void * handle)124 static int vcn_v3_0_early_init(void *handle)
125 {
126 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
127 
128 	if (amdgpu_sriov_vf(adev)) {
129 		adev->vcn.num_vcn_inst = VCN_INSTANCES_SIENNA_CICHLID;
130 		adev->vcn.harvest_config = 0;
131 		adev->vcn.num_enc_rings = 1;
132 
133 	} else {
134 		if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
135 						 AMDGPU_VCN_HARVEST_VCN1))
136 			/* both instances are harvested, disable the block */
137 			return -ENOENT;
138 
139 		if (amdgpu_ip_version(adev, UVD_HWIP, 0) ==
140 		    IP_VERSION(3, 0, 33))
141 			adev->vcn.num_enc_rings = 0;
142 		else
143 			adev->vcn.num_enc_rings = 2;
144 	}
145 
146 	vcn_v3_0_set_dec_ring_funcs(adev);
147 	vcn_v3_0_set_enc_ring_funcs(adev);
148 	vcn_v3_0_set_irq_funcs(adev);
149 
150 	return amdgpu_vcn_early_init(adev);
151 }
152 
153 /**
154  * vcn_v3_0_sw_init - sw init for VCN block
155  *
156  * @handle: amdgpu_device pointer
157  *
158  * Load firmware and sw initialization
159  */
vcn_v3_0_sw_init(void * handle)160 static int vcn_v3_0_sw_init(void *handle)
161 {
162 	struct amdgpu_ring *ring;
163 	int i, j, r;
164 	int vcn_doorbell_index = 0;
165 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_3_0);
166 	uint32_t *ptr;
167 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
168 
169 	r = amdgpu_vcn_sw_init(adev);
170 	if (r)
171 		return r;
172 
173 	amdgpu_vcn_setup_ucode(adev);
174 
175 	r = amdgpu_vcn_resume(adev);
176 	if (r)
177 		return r;
178 
179 	/*
180 	 * Note: doorbell assignment is fixed for SRIOV multiple VCN engines
181 	 * Formula:
182 	 *   vcn_db_base  = adev->doorbell_index.vcn.vcn_ring0_1 << 1;
183 	 *   dec_ring_i   = vcn_db_base + i * (adev->vcn.num_enc_rings + 1)
184 	 *   enc_ring_i,j = vcn_db_base + i * (adev->vcn.num_enc_rings + 1) + 1 + j
185 	 */
186 	if (amdgpu_sriov_vf(adev)) {
187 		vcn_doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1;
188 		/* get DWORD offset */
189 		vcn_doorbell_index = vcn_doorbell_index << 1;
190 	}
191 
192 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
193 		volatile struct amdgpu_fw_shared *fw_shared;
194 
195 		if (adev->vcn.harvest_config & (1 << i))
196 			continue;
197 
198 		adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
199 		adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
200 		adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
201 		adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
202 		adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
203 		adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
204 
205 		adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
206 		adev->vcn.inst[i].external.scratch9 = SOC15_REG_OFFSET(VCN, i, mmUVD_SCRATCH9);
207 		adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
208 		adev->vcn.inst[i].external.data0 = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_DATA0);
209 		adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
210 		adev->vcn.inst[i].external.data1 = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_DATA1);
211 		adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
212 		adev->vcn.inst[i].external.cmd = SOC15_REG_OFFSET(VCN, i, mmUVD_GPCOM_VCPU_CMD);
213 		adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
214 		adev->vcn.inst[i].external.nop = SOC15_REG_OFFSET(VCN, i, mmUVD_NO_OP);
215 
216 		/* VCN DEC TRAP */
217 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
218 				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[i].irq);
219 		if (r)
220 			return r;
221 
222 		atomic_set(&adev->vcn.inst[i].sched_score, 0);
223 
224 		ring = &adev->vcn.inst[i].ring_dec;
225 		ring->use_doorbell = true;
226 		if (amdgpu_sriov_vf(adev)) {
227 			ring->doorbell_index = vcn_doorbell_index + i * (adev->vcn.num_enc_rings + 1);
228 		} else {
229 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i;
230 		}
231 		ring->vm_hub = AMDGPU_MMHUB0(0);
232 		sprintf(ring->name, "vcn_dec_%d", i);
233 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
234 				     AMDGPU_RING_PRIO_DEFAULT,
235 				     &adev->vcn.inst[i].sched_score);
236 		if (r)
237 			return r;
238 
239 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
240 			enum amdgpu_ring_priority_level hw_prio = amdgpu_vcn_get_enc_ring_prio(j);
241 
242 			/* VCN ENC TRAP */
243 			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
244 				j + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
245 			if (r)
246 				return r;
247 
248 			ring = &adev->vcn.inst[i].ring_enc[j];
249 			ring->use_doorbell = true;
250 			if (amdgpu_sriov_vf(adev)) {
251 				ring->doorbell_index = vcn_doorbell_index + i * (adev->vcn.num_enc_rings + 1) + 1 + j;
252 			} else {
253 				ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + j + 8 * i;
254 			}
255 			ring->vm_hub = AMDGPU_MMHUB0(0);
256 			sprintf(ring->name, "vcn_enc_%d.%d", i, j);
257 			r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
258 					     hw_prio, &adev->vcn.inst[i].sched_score);
259 			if (r)
260 				return r;
261 		}
262 
263 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
264 		fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_SW_RING_FLAG) |
265 					     cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG) |
266 					     cpu_to_le32(AMDGPU_VCN_FW_SHARED_FLAG_0_RB);
267 		fw_shared->sw_ring.is_enabled = cpu_to_le32(DEC_SW_RING_ENABLED);
268 		fw_shared->present_flag_0 |= AMDGPU_VCN_SMU_VERSION_INFO_FLAG;
269 		if (amdgpu_ip_version(adev, UVD_HWIP, 0) == IP_VERSION(3, 1, 2))
270 			fw_shared->smu_interface_info.smu_interface_type = 2;
271 		else if (amdgpu_ip_version(adev, UVD_HWIP, 0) ==
272 			 IP_VERSION(3, 1, 1))
273 			fw_shared->smu_interface_info.smu_interface_type = 1;
274 
275 		if (amdgpu_vcnfw_log)
276 			amdgpu_vcn_fwlog_init(&adev->vcn.inst[i]);
277 	}
278 
279 	if (amdgpu_sriov_vf(adev)) {
280 		r = amdgpu_virt_alloc_mm_table(adev);
281 		if (r)
282 			return r;
283 	}
284 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
285 		adev->vcn.pause_dpg_mode = vcn_v3_0_pause_dpg_mode;
286 
287 	/* Allocate memory for VCN IP Dump buffer */
288 	ptr = kcalloc(adev->vcn.num_vcn_inst * reg_count, sizeof(uint32_t), GFP_KERNEL);
289 	if (ptr == NULL) {
290 		DRM_ERROR("Failed to allocate memory for VCN IP Dump\n");
291 		adev->vcn.ip_dump = NULL;
292 	} else {
293 		adev->vcn.ip_dump = ptr;
294 	}
295 
296 	return 0;
297 }
298 
299 /**
300  * vcn_v3_0_sw_fini - sw fini for VCN block
301  *
302  * @handle: amdgpu_device pointer
303  *
304  * VCN suspend and free up sw allocation
305  */
vcn_v3_0_sw_fini(void * handle)306 static int vcn_v3_0_sw_fini(void *handle)
307 {
308 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
309 	int i, r, idx;
310 
311 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
312 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
313 			volatile struct amdgpu_fw_shared *fw_shared;
314 
315 			if (adev->vcn.harvest_config & (1 << i))
316 				continue;
317 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
318 			fw_shared->present_flag_0 = 0;
319 			fw_shared->sw_ring.is_enabled = false;
320 		}
321 
322 		drm_dev_exit(idx);
323 	}
324 
325 	if (amdgpu_sriov_vf(adev))
326 		amdgpu_virt_free_mm_table(adev);
327 
328 	r = amdgpu_vcn_suspend(adev);
329 	if (r)
330 		return r;
331 
332 	r = amdgpu_vcn_sw_fini(adev);
333 
334 	kfree(adev->vcn.ip_dump);
335 	return r;
336 }
337 
338 /**
339  * vcn_v3_0_hw_init - start and test VCN block
340  *
341  * @handle: amdgpu_device pointer
342  *
343  * Initialize the hardware, boot up the VCPU and do some testing
344  */
vcn_v3_0_hw_init(void * handle)345 static int vcn_v3_0_hw_init(void *handle)
346 {
347 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
348 	struct amdgpu_ring *ring;
349 	int i, j, r;
350 
351 	if (amdgpu_sriov_vf(adev)) {
352 		r = vcn_v3_0_start_sriov(adev);
353 		if (r)
354 			return r;
355 
356 		/* initialize VCN dec and enc ring buffers */
357 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
358 			if (adev->vcn.harvest_config & (1 << i))
359 				continue;
360 
361 			ring = &adev->vcn.inst[i].ring_dec;
362 			if (amdgpu_vcn_is_disabled_vcn(adev, VCN_DECODE_RING, i)) {
363 				ring->sched.ready = false;
364 				ring->no_scheduler = true;
365 				dev_info(adev->dev, "ring %s is disabled by hypervisor\n", ring->name);
366 			} else {
367 				ring->wptr = 0;
368 				ring->wptr_old = 0;
369 				vcn_v3_0_dec_ring_set_wptr(ring);
370 				ring->sched.ready = true;
371 			}
372 
373 			for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
374 				ring = &adev->vcn.inst[i].ring_enc[j];
375 				if (amdgpu_vcn_is_disabled_vcn(adev, VCN_ENCODE_RING, i)) {
376 					ring->sched.ready = false;
377 					ring->no_scheduler = true;
378 					dev_info(adev->dev, "ring %s is disabled by hypervisor\n", ring->name);
379 				} else {
380 					ring->wptr = 0;
381 					ring->wptr_old = 0;
382 					vcn_v3_0_enc_ring_set_wptr(ring);
383 					ring->sched.ready = true;
384 				}
385 			}
386 		}
387 	} else {
388 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
389 			if (adev->vcn.harvest_config & (1 << i))
390 				continue;
391 
392 			ring = &adev->vcn.inst[i].ring_dec;
393 
394 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
395 						     ring->doorbell_index, i);
396 
397 			r = amdgpu_ring_test_helper(ring);
398 			if (r)
399 				return r;
400 
401 			for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
402 				ring = &adev->vcn.inst[i].ring_enc[j];
403 				r = amdgpu_ring_test_helper(ring);
404 				if (r)
405 					return r;
406 			}
407 		}
408 	}
409 
410 	return 0;
411 }
412 
413 /**
414  * vcn_v3_0_hw_fini - stop the hardware block
415  *
416  * @handle: amdgpu_device pointer
417  *
418  * Stop the VCN block, mark ring as not ready any more
419  */
vcn_v3_0_hw_fini(void * handle)420 static int vcn_v3_0_hw_fini(void *handle)
421 {
422 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
423 	int i;
424 
425 	cancel_delayed_work_sync(&adev->vcn.idle_work);
426 
427 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
428 		if (adev->vcn.harvest_config & (1 << i))
429 			continue;
430 
431 		if (!amdgpu_sriov_vf(adev)) {
432 			if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
433 					(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
434 					 RREG32_SOC15(VCN, i, mmUVD_STATUS))) {
435 				vcn_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
436 			}
437 		}
438 	}
439 
440 	return 0;
441 }
442 
443 /**
444  * vcn_v3_0_suspend - suspend VCN block
445  *
446  * @handle: amdgpu_device pointer
447  *
448  * HW fini and suspend VCN block
449  */
vcn_v3_0_suspend(void * handle)450 static int vcn_v3_0_suspend(void *handle)
451 {
452 	int r;
453 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
454 
455 	r = vcn_v3_0_hw_fini(adev);
456 	if (r)
457 		return r;
458 
459 	r = amdgpu_vcn_suspend(adev);
460 
461 	return r;
462 }
463 
464 /**
465  * vcn_v3_0_resume - resume VCN block
466  *
467  * @handle: amdgpu_device pointer
468  *
469  * Resume firmware and hw init VCN block
470  */
vcn_v3_0_resume(void * handle)471 static int vcn_v3_0_resume(void *handle)
472 {
473 	int r;
474 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
475 
476 	r = amdgpu_vcn_resume(adev);
477 	if (r)
478 		return r;
479 
480 	r = vcn_v3_0_hw_init(adev);
481 
482 	return r;
483 }
484 
485 /**
486  * vcn_v3_0_mc_resume - memory controller programming
487  *
488  * @adev: amdgpu_device pointer
489  * @inst: instance number
490  *
491  * Let the VCN memory controller know it's offsets
492  */
vcn_v3_0_mc_resume(struct amdgpu_device * adev,int inst)493 static void vcn_v3_0_mc_resume(struct amdgpu_device *adev, int inst)
494 {
495 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[inst]->size + 4);
496 	uint32_t offset;
497 
498 	/* cache window 0: fw */
499 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
500 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
501 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
502 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
503 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
504 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0, 0);
505 		offset = 0;
506 	} else {
507 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
508 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
509 		WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
510 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
511 		offset = size;
512 		WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET0,
513 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
514 	}
515 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE0, size);
516 
517 	/* cache window 1: stack */
518 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
519 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
520 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
521 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
522 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET1, 0);
523 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
524 
525 	/* cache window 2: context */
526 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
527 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
528 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
529 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
530 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_OFFSET2, 0);
531 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
532 
533 	/* non-cache window */
534 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
535 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
536 	WREG32_SOC15(VCN, inst, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
537 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
538 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
539 	WREG32_SOC15(VCN, inst, mmUVD_VCPU_NONCACHE_SIZE0,
540 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
541 }
542 
vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device * adev,int inst_idx,bool indirect)543 static void vcn_v3_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
544 {
545 	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[inst_idx]->size + 4);
546 	uint32_t offset;
547 
548 	/* cache window 0: fw */
549 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
550 		if (!indirect) {
551 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
552 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
553 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
554 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
555 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
556 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
557 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
558 				VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
559 		} else {
560 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
561 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
562 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
563 				VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
564 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
565 				VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
566 		}
567 		offset = 0;
568 	} else {
569 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
570 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
571 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
572 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
573 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
574 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
575 		offset = size;
576 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
577 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET0),
578 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
579 	}
580 
581 	if (!indirect)
582 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
583 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
584 	else
585 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
586 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
587 
588 	/* cache window 1: stack */
589 	if (!indirect) {
590 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
591 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
592 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
593 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
594 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
595 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
596 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
597 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
598 	} else {
599 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
600 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
601 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
602 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
603 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
604 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
605 	}
606 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
607 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
608 
609 	/* cache window 2: context */
610 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
611 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
612 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
613 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
614 			VCN, inst_idx, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
615 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
616 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
617 			VCN, inst_idx, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
618 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
619 			VCN, inst_idx, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
620 
621 	/* non-cache window */
622 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
623 			VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
624 			lower_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
625 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
626 			VCN, inst_idx, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
627 			upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
628 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
629 			VCN, inst_idx, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
630 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
631 			VCN, inst_idx, mmUVD_VCPU_NONCACHE_SIZE0),
632 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
633 
634 	/* VCN global tiling registers */
635 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
636 		UVD, inst_idx, mmUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
637 }
638 
vcn_v3_0_disable_static_power_gating(struct amdgpu_device * adev,int inst)639 static void vcn_v3_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
640 {
641 	uint32_t data = 0;
642 
643 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
644 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
645 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
646 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
647 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
648 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
649 			| 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
650 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
651 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
652 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
653 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
654 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
655 			| 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
656 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
657 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
658 
659 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
660 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS,
661 			UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF);
662 	} else {
663 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
664 			| 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
665 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
666 			| 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
667 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
668 			| 1 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
669 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
670 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
671 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
672 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
673 			| 1 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
674 			| 1 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
675 			| 1 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
676 			| 1 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
677 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
678 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, 0,  0x3F3FFFFF);
679 	}
680 
681 	data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
682 	data &= ~0x103;
683 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
684 		data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
685 			UVD_POWER_STATUS__UVD_PG_EN_MASK;
686 
687 	WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
688 }
689 
vcn_v3_0_enable_static_power_gating(struct amdgpu_device * adev,int inst)690 static void vcn_v3_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
691 {
692 	uint32_t data;
693 
694 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
695 		/* Before power off, this indicator has to be turned on */
696 		data = RREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS);
697 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
698 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
699 		WREG32_SOC15(VCN, inst, mmUVD_POWER_STATUS, data);
700 
701 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
702 			| 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT
703 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
704 			| 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT
705 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
706 			| 2 << UVD_PGFSM_CONFIG__UVDIRL_PWR_CONFIG__SHIFT
707 			| 2 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
708 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
709 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
710 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
711 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
712 			| 2 << UVD_PGFSM_CONFIG__UVDATD_PWR_CONFIG__SHIFT
713 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
714 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
715 		WREG32_SOC15(VCN, inst, mmUVD_PGFSM_CONFIG, data);
716 
717 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
718 			| 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT
719 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
720 			| 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT
721 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
722 			| 2 << UVD_PGFSM_STATUS__UVDIRL_PWR_STATUS__SHIFT
723 			| 2 << UVD_PGFSM_STATUS__UVDLM_PWR_STATUS__SHIFT
724 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
725 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
726 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
727 			| 2 << UVD_PGFSM_STATUS__UVDAB_PWR_STATUS__SHIFT
728 			| 2 << UVD_PGFSM_STATUS__UVDATD_PWR_STATUS__SHIFT
729 			| 2 << UVD_PGFSM_STATUS__UVDNA_PWR_STATUS__SHIFT
730 			| 2 << UVD_PGFSM_STATUS__UVDNB_PWR_STATUS__SHIFT);
731 		SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_PGFSM_STATUS, data, 0x3F3FFFFF);
732 	}
733 }
734 
735 /**
736  * vcn_v3_0_disable_clock_gating - disable VCN clock gating
737  *
738  * @adev: amdgpu_device pointer
739  * @inst: instance number
740  *
741  * Disable clock gating for VCN block
742  */
vcn_v3_0_disable_clock_gating(struct amdgpu_device * adev,int inst)743 static void vcn_v3_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
744 {
745 	uint32_t data;
746 
747 	/* VCN disable CGC */
748 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
749 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
750 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
751 	else
752 		data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
753 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
754 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
755 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
756 
757 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_GATE);
758 	data &= ~(UVD_CGC_GATE__SYS_MASK
759 		| UVD_CGC_GATE__UDEC_MASK
760 		| UVD_CGC_GATE__MPEG2_MASK
761 		| UVD_CGC_GATE__REGS_MASK
762 		| UVD_CGC_GATE__RBC_MASK
763 		| UVD_CGC_GATE__LMI_MC_MASK
764 		| UVD_CGC_GATE__LMI_UMC_MASK
765 		| UVD_CGC_GATE__IDCT_MASK
766 		| UVD_CGC_GATE__MPRD_MASK
767 		| UVD_CGC_GATE__MPC_MASK
768 		| UVD_CGC_GATE__LBSI_MASK
769 		| UVD_CGC_GATE__LRBBM_MASK
770 		| UVD_CGC_GATE__UDEC_RE_MASK
771 		| UVD_CGC_GATE__UDEC_CM_MASK
772 		| UVD_CGC_GATE__UDEC_IT_MASK
773 		| UVD_CGC_GATE__UDEC_DB_MASK
774 		| UVD_CGC_GATE__UDEC_MP_MASK
775 		| UVD_CGC_GATE__WCB_MASK
776 		| UVD_CGC_GATE__VCPU_MASK
777 		| UVD_CGC_GATE__MMSCH_MASK);
778 
779 	WREG32_SOC15(VCN, inst, mmUVD_CGC_GATE, data);
780 
781 	SOC15_WAIT_ON_RREG(VCN, inst, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
782 
783 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
784 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
785 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
786 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
787 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
788 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
789 		| UVD_CGC_CTRL__SYS_MODE_MASK
790 		| UVD_CGC_CTRL__UDEC_MODE_MASK
791 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
792 		| UVD_CGC_CTRL__REGS_MODE_MASK
793 		| UVD_CGC_CTRL__RBC_MODE_MASK
794 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
795 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
796 		| UVD_CGC_CTRL__IDCT_MODE_MASK
797 		| UVD_CGC_CTRL__MPRD_MODE_MASK
798 		| UVD_CGC_CTRL__MPC_MODE_MASK
799 		| UVD_CGC_CTRL__LBSI_MODE_MASK
800 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
801 		| UVD_CGC_CTRL__WCB_MODE_MASK
802 		| UVD_CGC_CTRL__VCPU_MODE_MASK
803 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
804 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
805 
806 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE);
807 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
808 		| UVD_SUVD_CGC_GATE__SIT_MASK
809 		| UVD_SUVD_CGC_GATE__SMP_MASK
810 		| UVD_SUVD_CGC_GATE__SCM_MASK
811 		| UVD_SUVD_CGC_GATE__SDB_MASK
812 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
813 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
814 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
815 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
816 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
817 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
818 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
819 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
820 		| UVD_SUVD_CGC_GATE__SCLR_MASK
821 		| UVD_SUVD_CGC_GATE__ENT_MASK
822 		| UVD_SUVD_CGC_GATE__IME_MASK
823 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
824 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
825 		| UVD_SUVD_CGC_GATE__SITE_MASK
826 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
827 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
828 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
829 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
830 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK
831 		| UVD_SUVD_CGC_GATE__EFC_MASK
832 		| UVD_SUVD_CGC_GATE__SAOE_MASK
833 		| UVD_SUVD_CGC_GATE__SRE_AV1_MASK
834 		| UVD_SUVD_CGC_GATE__FBC_PCLK_MASK
835 		| UVD_SUVD_CGC_GATE__FBC_CCLK_MASK
836 		| UVD_SUVD_CGC_GATE__SCM_AV1_MASK
837 		| UVD_SUVD_CGC_GATE__SMPA_MASK);
838 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE, data);
839 
840 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2);
841 	data |= (UVD_SUVD_CGC_GATE2__MPBE0_MASK
842 		| UVD_SUVD_CGC_GATE2__MPBE1_MASK
843 		| UVD_SUVD_CGC_GATE2__SIT_AV1_MASK
844 		| UVD_SUVD_CGC_GATE2__SDB_AV1_MASK
845 		| UVD_SUVD_CGC_GATE2__MPC1_MASK);
846 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_GATE2, data);
847 
848 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL);
849 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
850 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
851 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
852 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
853 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
854 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
855 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
856 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
857 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK
858 		| UVD_SUVD_CGC_CTRL__EFC_MODE_MASK
859 		| UVD_SUVD_CGC_CTRL__SAOE_MODE_MASK
860 		| UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK
861 		| UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK
862 		| UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK
863 		| UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK
864 		| UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK
865 		| UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK
866 		| UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK
867 		| UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK);
868 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
869 }
870 
vcn_v3_0_clock_gating_dpg_mode(struct amdgpu_device * adev,uint8_t sram_sel,int inst_idx,uint8_t indirect)871 static void vcn_v3_0_clock_gating_dpg_mode(struct amdgpu_device *adev,
872 		uint8_t sram_sel, int inst_idx, uint8_t indirect)
873 {
874 	uint32_t reg_data = 0;
875 
876 	/* enable sw clock gating control */
877 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
878 		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
879 	else
880 		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
881 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
882 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
883 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
884 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
885 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
886 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
887 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
888 		 UVD_CGC_CTRL__SYS_MODE_MASK |
889 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
890 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
891 		 UVD_CGC_CTRL__REGS_MODE_MASK |
892 		 UVD_CGC_CTRL__RBC_MODE_MASK |
893 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
894 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
895 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
896 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
897 		 UVD_CGC_CTRL__MPC_MODE_MASK |
898 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
899 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
900 		 UVD_CGC_CTRL__WCB_MODE_MASK |
901 		 UVD_CGC_CTRL__VCPU_MODE_MASK |
902 		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
903 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
904 		VCN, inst_idx, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
905 
906 	/* turn off clock gating */
907 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
908 		VCN, inst_idx, mmUVD_CGC_GATE), 0, sram_sel, indirect);
909 
910 	/* turn on SUVD clock gating */
911 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
912 		VCN, inst_idx, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
913 
914 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
915 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
916 		VCN, inst_idx, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
917 }
918 
919 /**
920  * vcn_v3_0_enable_clock_gating - enable VCN clock gating
921  *
922  * @adev: amdgpu_device pointer
923  * @inst: instance number
924  *
925  * Enable clock gating for VCN block
926  */
vcn_v3_0_enable_clock_gating(struct amdgpu_device * adev,int inst)927 static void vcn_v3_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
928 {
929 	uint32_t data;
930 
931 	/* enable VCN CGC */
932 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
933 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
934 		data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
935 	else
936 		data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
937 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
938 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
939 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
940 
941 	data = RREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL);
942 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
943 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
944 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
945 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
946 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
947 		| UVD_CGC_CTRL__SYS_MODE_MASK
948 		| UVD_CGC_CTRL__UDEC_MODE_MASK
949 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
950 		| UVD_CGC_CTRL__REGS_MODE_MASK
951 		| UVD_CGC_CTRL__RBC_MODE_MASK
952 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
953 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
954 		| UVD_CGC_CTRL__IDCT_MODE_MASK
955 		| UVD_CGC_CTRL__MPRD_MODE_MASK
956 		| UVD_CGC_CTRL__MPC_MODE_MASK
957 		| UVD_CGC_CTRL__LBSI_MODE_MASK
958 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
959 		| UVD_CGC_CTRL__WCB_MODE_MASK
960 		| UVD_CGC_CTRL__VCPU_MODE_MASK
961 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
962 	WREG32_SOC15(VCN, inst, mmUVD_CGC_CTRL, data);
963 
964 	data = RREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL);
965 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
966 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
967 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
968 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
969 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
970 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
971 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
972 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
973 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK
974 		| UVD_SUVD_CGC_CTRL__EFC_MODE_MASK
975 		| UVD_SUVD_CGC_CTRL__SAOE_MODE_MASK
976 		| UVD_SUVD_CGC_CTRL__SMPA_MODE_MASK
977 		| UVD_SUVD_CGC_CTRL__MPBE0_MODE_MASK
978 		| UVD_SUVD_CGC_CTRL__MPBE1_MODE_MASK
979 		| UVD_SUVD_CGC_CTRL__SIT_AV1_MODE_MASK
980 		| UVD_SUVD_CGC_CTRL__SDB_AV1_MODE_MASK
981 		| UVD_SUVD_CGC_CTRL__MPC1_MODE_MASK
982 		| UVD_SUVD_CGC_CTRL__FBC_PCLK_MASK
983 		| UVD_SUVD_CGC_CTRL__FBC_CCLK_MASK);
984 	WREG32_SOC15(VCN, inst, mmUVD_SUVD_CGC_CTRL, data);
985 }
986 
vcn_v3_0_start_dpg_mode(struct amdgpu_device * adev,int inst_idx,bool indirect)987 static int vcn_v3_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
988 {
989 	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
990 	struct amdgpu_ring *ring;
991 	uint32_t rb_bufsz, tmp;
992 
993 	/* disable register anti-hang mechanism */
994 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
995 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
996 	/* enable dynamic power gating mode */
997 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
998 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
999 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
1000 	WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
1001 
1002 	if (indirect)
1003 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
1004 
1005 	/* enable clock gating */
1006 	vcn_v3_0_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
1007 
1008 	/* enable VCPU clock */
1009 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1010 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1011 	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
1012 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1013 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1014 
1015 	/* disable master interupt */
1016 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1017 		VCN, inst_idx, mmUVD_MASTINT_EN), 0, 0, indirect);
1018 
1019 	/* setup mmUVD_LMI_CTRL */
1020 	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1021 		UVD_LMI_CTRL__REQ_MODE_MASK |
1022 		UVD_LMI_CTRL__CRC_RESET_MASK |
1023 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1024 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1025 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
1026 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
1027 		0x00100000L);
1028 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1029 		VCN, inst_idx, mmUVD_LMI_CTRL), tmp, 0, indirect);
1030 
1031 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1032 		VCN, inst_idx, mmUVD_MPC_CNTL),
1033 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
1034 
1035 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1036 		VCN, inst_idx, mmUVD_MPC_SET_MUXA0),
1037 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1038 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1039 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1040 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
1041 
1042 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1043 		VCN, inst_idx, mmUVD_MPC_SET_MUXB0),
1044 		 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1045 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1046 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1047 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
1048 
1049 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1050 		VCN, inst_idx, mmUVD_MPC_SET_MUX),
1051 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1052 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1053 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
1054 
1055 	vcn_v3_0_mc_resume_dpg_mode(adev, inst_idx, indirect);
1056 
1057 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1058 		VCN, inst_idx, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
1059 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1060 		VCN, inst_idx, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
1061 
1062 	/* enable LMI MC and UMC channels */
1063 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1064 		VCN, inst_idx, mmUVD_LMI_CTRL2), 0, 0, indirect);
1065 
1066 	/* unblock VCPU register access */
1067 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1068 		VCN, inst_idx, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
1069 
1070 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1071 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1072 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1073 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1074 
1075 	/* enable master interrupt */
1076 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1077 		VCN, inst_idx, mmUVD_MASTINT_EN),
1078 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
1079 
1080 	/* add nop to workaround PSP size check */
1081 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1082 		VCN, inst_idx, mmUVD_VCPU_CNTL), tmp, 0, indirect);
1083 
1084 	if (indirect)
1085 		amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
1086 
1087 	ring = &adev->vcn.inst[inst_idx].ring_dec;
1088 	/* force RBC into idle state */
1089 	rb_bufsz = order_base_2(ring->ring_size);
1090 	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1091 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1092 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1093 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1094 	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1095 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
1096 
1097 	/* Stall DPG before WPTR/RPTR reset */
1098 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1099 		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1100 		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1101 	fw_shared->multi_queue.decode_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1102 
1103 	/* set the write pointer delay */
1104 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
1105 
1106 	/* set the wb address */
1107 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
1108 		(upper_32_bits(ring->gpu_addr) >> 2));
1109 
1110 	/* programm the RB_BASE for ring buffer */
1111 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1112 		lower_32_bits(ring->gpu_addr));
1113 	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1114 		upper_32_bits(ring->gpu_addr));
1115 
1116 	/* Initialize the ring buffer's read and write pointers */
1117 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
1118 
1119 	WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
1120 
1121 	ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
1122 	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
1123 		lower_32_bits(ring->wptr));
1124 
1125 	/* Reset FW shared memory RBC WPTR/RPTR */
1126 	fw_shared->rb.rptr = 0;
1127 	fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1128 
1129 	/*resetting done, fw can check RB ring */
1130 	fw_shared->multi_queue.decode_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1131 
1132 	/* Unstall DPG */
1133 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1134 		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1135 
1136 	return 0;
1137 }
1138 
vcn_v3_0_start(struct amdgpu_device * adev)1139 static int vcn_v3_0_start(struct amdgpu_device *adev)
1140 {
1141 	volatile struct amdgpu_fw_shared *fw_shared;
1142 	struct amdgpu_ring *ring;
1143 	uint32_t rb_bufsz, tmp;
1144 	int i, j, k, r;
1145 
1146 	if (adev->pm.dpm_enabled)
1147 		amdgpu_dpm_enable_uvd(adev, true);
1148 
1149 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1150 		if (adev->vcn.harvest_config & (1 << i))
1151 			continue;
1152 
1153 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1154 			r = vcn_v3_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
1155 			continue;
1156 		}
1157 
1158 		/* disable VCN power gating */
1159 		vcn_v3_0_disable_static_power_gating(adev, i);
1160 
1161 		/* set VCN status busy */
1162 		tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
1163 		WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
1164 
1165 		/*SW clock gating */
1166 		vcn_v3_0_disable_clock_gating(adev, i);
1167 
1168 		/* enable VCPU clock */
1169 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1170 			UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1171 
1172 		/* disable master interrupt */
1173 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
1174 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1175 
1176 		/* enable LMI MC and UMC channels */
1177 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
1178 			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1179 
1180 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1181 		tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1182 		tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1183 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1184 
1185 		/* setup mmUVD_LMI_CTRL */
1186 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
1187 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp |
1188 			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
1189 			UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1190 			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1191 			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1192 
1193 		/* setup mmUVD_MPC_CNTL */
1194 		tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
1195 		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1196 		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1197 		WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
1198 
1199 		/* setup UVD_MPC_SET_MUXA0 */
1200 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
1201 			((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1202 			(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1203 			(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1204 			(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1205 
1206 		/* setup UVD_MPC_SET_MUXB0 */
1207 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
1208 			((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1209 			(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1210 			(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1211 			(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1212 
1213 		/* setup mmUVD_MPC_SET_MUX */
1214 		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
1215 			((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1216 			(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1217 			(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1218 
1219 		vcn_v3_0_mc_resume(adev, i);
1220 
1221 		/* VCN global tiling registers */
1222 		WREG32_SOC15(VCN, i, mmUVD_GFX10_ADDR_CONFIG,
1223 			adev->gfx.config.gb_addr_config);
1224 
1225 		/* unblock VCPU register access */
1226 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
1227 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1228 
1229 		/* release VCPU reset to boot */
1230 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1231 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1232 
1233 		for (j = 0; j < 10; ++j) {
1234 			uint32_t status;
1235 
1236 			for (k = 0; k < 100; ++k) {
1237 				status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
1238 				if (status & 2)
1239 					break;
1240 				mdelay(10);
1241 			}
1242 			r = 0;
1243 			if (status & 2)
1244 				break;
1245 
1246 			DRM_ERROR("VCN[%d] decode not responding, trying to reset the VCPU!!!\n", i);
1247 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1248 				UVD_VCPU_CNTL__BLK_RST_MASK,
1249 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1250 			mdelay(10);
1251 			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1252 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1253 
1254 			mdelay(10);
1255 			r = -1;
1256 		}
1257 
1258 		if (r) {
1259 			DRM_ERROR("VCN[%d] decode not responding, giving up!!!\n", i);
1260 			return r;
1261 		}
1262 
1263 		/* enable master interrupt */
1264 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
1265 			UVD_MASTINT_EN__VCPU_EN_MASK,
1266 			~UVD_MASTINT_EN__VCPU_EN_MASK);
1267 
1268 		/* clear the busy bit of VCN_STATUS */
1269 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
1270 			~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1271 
1272 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
1273 
1274 		ring = &adev->vcn.inst[i].ring_dec;
1275 		/* force RBC into idle state */
1276 		rb_bufsz = order_base_2(ring->ring_size);
1277 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
1278 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1279 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1280 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1281 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1282 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
1283 
1284 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1285 		fw_shared->multi_queue.decode_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1286 
1287 		/* programm the RB_BASE for ring buffer */
1288 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
1289 			lower_32_bits(ring->gpu_addr));
1290 		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
1291 			upper_32_bits(ring->gpu_addr));
1292 
1293 		/* Initialize the ring buffer's read and write pointers */
1294 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
1295 
1296 		WREG32_SOC15(VCN, i, mmUVD_SCRATCH2, 0);
1297 		ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
1298 		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
1299 			lower_32_bits(ring->wptr));
1300 		fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1301 		fw_shared->multi_queue.decode_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1302 
1303 		if (amdgpu_ip_version(adev, UVD_HWIP, 0) !=
1304 		    IP_VERSION(3, 0, 33)) {
1305 			fw_shared->multi_queue.encode_generalpurpose_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1306 			ring = &adev->vcn.inst[i].ring_enc[0];
1307 			WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1308 			WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1309 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
1310 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1311 			WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
1312 			fw_shared->multi_queue.encode_generalpurpose_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1313 
1314 			fw_shared->multi_queue.encode_lowlatency_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1315 			ring = &adev->vcn.inst[i].ring_enc[1];
1316 			WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1317 			WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1318 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1319 			WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1320 			WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
1321 			fw_shared->multi_queue.encode_lowlatency_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1322 		}
1323 	}
1324 
1325 	return 0;
1326 }
1327 
vcn_v3_0_start_sriov(struct amdgpu_device * adev)1328 static int vcn_v3_0_start_sriov(struct amdgpu_device *adev)
1329 {
1330 	int i, j;
1331 	struct amdgpu_ring *ring;
1332 	uint64_t cache_addr;
1333 	uint64_t rb_addr;
1334 	uint64_t ctx_addr;
1335 	uint32_t param, resp, expected;
1336 	uint32_t offset, cache_size;
1337 	uint32_t tmp, timeout;
1338 
1339 	struct amdgpu_mm_table *table = &adev->virt.mm_table;
1340 	uint32_t *table_loc;
1341 	uint32_t table_size;
1342 	uint32_t size, size_dw;
1343 
1344 	struct mmsch_v3_0_cmd_direct_write
1345 		direct_wt = { {0} };
1346 	struct mmsch_v3_0_cmd_direct_read_modify_write
1347 		direct_rd_mod_wt = { {0} };
1348 	struct mmsch_v3_0_cmd_end end = { {0} };
1349 	struct mmsch_v3_0_init_header header;
1350 
1351 	direct_wt.cmd_header.command_type =
1352 		MMSCH_COMMAND__DIRECT_REG_WRITE;
1353 	direct_rd_mod_wt.cmd_header.command_type =
1354 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1355 	end.cmd_header.command_type =
1356 		MMSCH_COMMAND__END;
1357 
1358 	header.version = MMSCH_VERSION;
1359 	header.total_size = sizeof(struct mmsch_v3_0_init_header) >> 2;
1360 	for (i = 0; i < MMSCH_V3_0_VCN_INSTANCES; i++) {
1361 		header.inst[i].init_status = 0;
1362 		header.inst[i].table_offset = 0;
1363 		header.inst[i].table_size = 0;
1364 	}
1365 
1366 	table_loc = (uint32_t *)table->cpu_addr;
1367 	table_loc += header.total_size;
1368 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1369 		if (adev->vcn.harvest_config & (1 << i))
1370 			continue;
1371 
1372 		table_size = 0;
1373 
1374 		MMSCH_V3_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCN, i,
1375 			mmUVD_STATUS),
1376 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1377 
1378 		cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[i]->size + 4);
1379 
1380 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1381 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1382 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1383 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
1384 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1385 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1386 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
1387 			offset = 0;
1388 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1389 				mmUVD_VCPU_CACHE_OFFSET0),
1390 				0);
1391 		} else {
1392 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1393 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1394 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1395 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1396 				mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1397 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1398 			offset = cache_size;
1399 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1400 				mmUVD_VCPU_CACHE_OFFSET0),
1401 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1402 		}
1403 
1404 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1405 			mmUVD_VCPU_CACHE_SIZE0),
1406 			cache_size);
1407 
1408 		cache_addr = adev->vcn.inst[i].gpu_addr + offset;
1409 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1410 			mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1411 			lower_32_bits(cache_addr));
1412 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1413 			mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1414 			upper_32_bits(cache_addr));
1415 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1416 			mmUVD_VCPU_CACHE_OFFSET1),
1417 			0);
1418 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1419 			mmUVD_VCPU_CACHE_SIZE1),
1420 			AMDGPU_VCN_STACK_SIZE);
1421 
1422 		cache_addr = adev->vcn.inst[i].gpu_addr + offset +
1423 			AMDGPU_VCN_STACK_SIZE;
1424 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1425 			mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1426 			lower_32_bits(cache_addr));
1427 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1428 			mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1429 			upper_32_bits(cache_addr));
1430 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1431 			mmUVD_VCPU_CACHE_OFFSET2),
1432 			0);
1433 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1434 			mmUVD_VCPU_CACHE_SIZE2),
1435 			AMDGPU_VCN_CONTEXT_SIZE);
1436 
1437 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
1438 			ring = &adev->vcn.inst[i].ring_enc[j];
1439 			ring->wptr = 0;
1440 			rb_addr = ring->gpu_addr;
1441 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1442 				mmUVD_RB_BASE_LO),
1443 				lower_32_bits(rb_addr));
1444 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1445 				mmUVD_RB_BASE_HI),
1446 				upper_32_bits(rb_addr));
1447 			MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1448 				mmUVD_RB_SIZE),
1449 				ring->ring_size / 4);
1450 		}
1451 
1452 		ring = &adev->vcn.inst[i].ring_dec;
1453 		ring->wptr = 0;
1454 		rb_addr = ring->gpu_addr;
1455 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1456 			mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
1457 			lower_32_bits(rb_addr));
1458 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1459 			mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
1460 			upper_32_bits(rb_addr));
1461 		/* force RBC into idle state */
1462 		tmp = order_base_2(ring->ring_size);
1463 		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, tmp);
1464 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
1465 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
1466 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
1467 		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
1468 		MMSCH_V3_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1469 			mmUVD_RBC_RB_CNTL),
1470 			tmp);
1471 
1472 		/* add end packet */
1473 		MMSCH_V3_0_INSERT_END();
1474 
1475 		/* refine header */
1476 		header.inst[i].init_status = 0;
1477 		header.inst[i].table_offset = header.total_size;
1478 		header.inst[i].table_size = table_size;
1479 		header.total_size += table_size;
1480 	}
1481 
1482 	/* Update init table header in memory */
1483 	size = sizeof(struct mmsch_v3_0_init_header);
1484 	table_loc = (uint32_t *)table->cpu_addr;
1485 	memcpy((void *)table_loc, &header, size);
1486 
1487 	/* message MMSCH (in VCN[0]) to initialize this client
1488 	 * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1489 	 * of memory descriptor location
1490 	 */
1491 	ctx_addr = table->gpu_addr;
1492 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
1493 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
1494 
1495 	/* 2, update vmid of descriptor */
1496 	tmp = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
1497 	tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1498 	/* use domain0 for MM scheduler */
1499 	tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1500 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, tmp);
1501 
1502 	/* 3, notify mmsch about the size of this descriptor */
1503 	size = header.total_size;
1504 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
1505 
1506 	/* 4, set resp to zero */
1507 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
1508 
1509 	/* 5, kick off the initialization and wait until
1510 	 * MMSCH_VF_MAILBOX_RESP becomes non-zero
1511 	 */
1512 	param = 0x10000001;
1513 	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, param);
1514 	tmp = 0;
1515 	timeout = 1000;
1516 	resp = 0;
1517 	expected = param + 1;
1518 	while (resp != expected) {
1519 		resp = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
1520 		if (resp == expected)
1521 			break;
1522 
1523 		udelay(10);
1524 		tmp = tmp + 10;
1525 		if (tmp >= timeout) {
1526 			DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
1527 				" waiting for mmMMSCH_VF_MAILBOX_RESP "\
1528 				"(expected=0x%08x, readback=0x%08x)\n",
1529 				tmp, expected, resp);
1530 			return -EBUSY;
1531 		}
1532 	}
1533 
1534 	return 0;
1535 }
1536 
vcn_v3_0_stop_dpg_mode(struct amdgpu_device * adev,int inst_idx)1537 static int vcn_v3_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
1538 {
1539 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
1540 	uint32_t tmp;
1541 
1542 	vcn_v3_0_pause_dpg_mode(adev, inst_idx, &state);
1543 
1544 	/* Wait for power status to be 1 */
1545 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1546 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1547 
1548 	/* wait for read ptr to be equal to write ptr */
1549 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
1550 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1551 
1552 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
1553 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
1554 
1555 	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
1556 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
1557 
1558 	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
1559 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1560 
1561 	/* disable dynamic power gating mode */
1562 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
1563 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1564 
1565 	return 0;
1566 }
1567 
vcn_v3_0_stop(struct amdgpu_device * adev)1568 static int vcn_v3_0_stop(struct amdgpu_device *adev)
1569 {
1570 	uint32_t tmp;
1571 	int i, r = 0;
1572 
1573 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1574 		if (adev->vcn.harvest_config & (1 << i))
1575 			continue;
1576 
1577 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1578 			r = vcn_v3_0_stop_dpg_mode(adev, i);
1579 			continue;
1580 		}
1581 
1582 		/* wait for vcn idle */
1583 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1584 		if (r)
1585 			return r;
1586 
1587 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1588 			UVD_LMI_STATUS__READ_CLEAN_MASK |
1589 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1590 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1591 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1592 		if (r)
1593 			return r;
1594 
1595 		/* disable LMI UMC channel */
1596 		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
1597 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1598 		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
1599 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
1600 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1601 		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
1602 		if (r)
1603 			return r;
1604 
1605 		/* block VCPU register access */
1606 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
1607 			UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1608 			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1609 
1610 		/* reset VCPU */
1611 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
1612 			UVD_VCPU_CNTL__BLK_RST_MASK,
1613 			~UVD_VCPU_CNTL__BLK_RST_MASK);
1614 
1615 		/* disable VCPU clock */
1616 		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
1617 			~(UVD_VCPU_CNTL__CLK_EN_MASK));
1618 
1619 		/* apply soft reset */
1620 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1621 		tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1622 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1623 		tmp = RREG32_SOC15(VCN, i, mmUVD_SOFT_RESET);
1624 		tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1625 		WREG32_SOC15(VCN, i, mmUVD_SOFT_RESET, tmp);
1626 
1627 		/* clear status */
1628 		WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
1629 
1630 		/* apply HW clock gating */
1631 		vcn_v3_0_enable_clock_gating(adev, i);
1632 
1633 		/* enable VCN power gating */
1634 		vcn_v3_0_enable_static_power_gating(adev, i);
1635 	}
1636 
1637 	if (adev->pm.dpm_enabled)
1638 		amdgpu_dpm_enable_uvd(adev, false);
1639 
1640 	return 0;
1641 }
1642 
vcn_v3_0_pause_dpg_mode(struct amdgpu_device * adev,int inst_idx,struct dpg_pause_state * new_state)1643 static int vcn_v3_0_pause_dpg_mode(struct amdgpu_device *adev,
1644 		   int inst_idx, struct dpg_pause_state *new_state)
1645 {
1646 	volatile struct amdgpu_fw_shared *fw_shared;
1647 	struct amdgpu_ring *ring;
1648 	uint32_t reg_data = 0;
1649 	int ret_code;
1650 
1651 	/* pause/unpause if state is changed */
1652 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1653 		DRM_DEBUG("dpg pause state changed %d -> %d",
1654 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1655 		reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
1656 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1657 
1658 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1659 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
1660 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1661 
1662 			if (!ret_code) {
1663 				/* pause DPG */
1664 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1665 				WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1666 
1667 				/* wait for ACK */
1668 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
1669 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1670 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1671 
1672 				/* Stall DPG before WPTR/RPTR reset */
1673 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1674 					UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
1675 					~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1676 
1677 				if (amdgpu_ip_version(adev, UVD_HWIP, 0) !=
1678 				    IP_VERSION(3, 0, 33)) {
1679 					/* Restore */
1680 					fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
1681 					fw_shared->multi_queue.encode_generalpurpose_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1682 					ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1683 					ring->wptr = 0;
1684 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
1685 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1686 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
1687 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
1688 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
1689 					fw_shared->multi_queue.encode_generalpurpose_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1690 
1691 					fw_shared->multi_queue.encode_lowlatency_queue_mode |= cpu_to_le32(FW_QUEUE_RING_RESET);
1692 					ring = &adev->vcn.inst[inst_idx].ring_enc[1];
1693 					ring->wptr = 0;
1694 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
1695 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
1696 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
1697 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
1698 					WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
1699 					fw_shared->multi_queue.encode_lowlatency_queue_mode &= cpu_to_le32(~FW_QUEUE_RING_RESET);
1700 
1701 					/* restore wptr/rptr with pointers saved in FW shared memory*/
1702 					WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, fw_shared->rb.rptr);
1703 					WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR, fw_shared->rb.wptr);
1704 				}
1705 
1706 				/* Unstall DPG */
1707 				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
1708 					0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
1709 
1710 				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
1711 					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1712 			}
1713 		} else {
1714 			/* unpause dpg, no need to wait */
1715 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1716 			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
1717 		}
1718 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1719 	}
1720 
1721 	return 0;
1722 }
1723 
1724 /**
1725  * vcn_v3_0_dec_ring_get_rptr - get read pointer
1726  *
1727  * @ring: amdgpu_ring pointer
1728  *
1729  * Returns the current hardware read pointer
1730  */
vcn_v3_0_dec_ring_get_rptr(struct amdgpu_ring * ring)1731 static uint64_t vcn_v3_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
1732 {
1733 	struct amdgpu_device *adev = ring->adev;
1734 
1735 	return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
1736 }
1737 
1738 /**
1739  * vcn_v3_0_dec_ring_get_wptr - get write pointer
1740  *
1741  * @ring: amdgpu_ring pointer
1742  *
1743  * Returns the current hardware write pointer
1744  */
vcn_v3_0_dec_ring_get_wptr(struct amdgpu_ring * ring)1745 static uint64_t vcn_v3_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
1746 {
1747 	struct amdgpu_device *adev = ring->adev;
1748 
1749 	if (ring->use_doorbell)
1750 		return *ring->wptr_cpu_addr;
1751 	else
1752 		return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
1753 }
1754 
1755 /**
1756  * vcn_v3_0_dec_ring_set_wptr - set write pointer
1757  *
1758  * @ring: amdgpu_ring pointer
1759  *
1760  * Commits the write pointer to the hardware
1761  */
vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring * ring)1762 static void vcn_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
1763 {
1764 	struct amdgpu_device *adev = ring->adev;
1765 	volatile struct amdgpu_fw_shared *fw_shared;
1766 
1767 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1768 		/*whenever update RBC_RB_WPTR, we save the wptr in shared rb.wptr and scratch2 */
1769 		fw_shared = adev->vcn.inst[ring->me].fw_shared.cpu_addr;
1770 		fw_shared->rb.wptr = lower_32_bits(ring->wptr);
1771 		WREG32_SOC15(VCN, ring->me, mmUVD_SCRATCH2,
1772 			lower_32_bits(ring->wptr));
1773 	}
1774 
1775 	if (ring->use_doorbell) {
1776 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1777 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1778 	} else {
1779 		WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
1780 	}
1781 }
1782 
1783 static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
1784 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1785 	.align_mask = 0x3f,
1786 	.nop = VCN_DEC_SW_CMD_NO_OP,
1787 	.secure_submission_supported = true,
1788 	.get_rptr = vcn_v3_0_dec_ring_get_rptr,
1789 	.get_wptr = vcn_v3_0_dec_ring_get_wptr,
1790 	.set_wptr = vcn_v3_0_dec_ring_set_wptr,
1791 	.emit_frame_size =
1792 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1793 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1794 		VCN_SW_RING_EMIT_FRAME_SIZE,
1795 	.emit_ib_size = 5, /* vcn_dec_sw_ring_emit_ib */
1796 	.emit_ib = vcn_dec_sw_ring_emit_ib,
1797 	.emit_fence = vcn_dec_sw_ring_emit_fence,
1798 	.emit_vm_flush = vcn_dec_sw_ring_emit_vm_flush,
1799 	.test_ring = amdgpu_vcn_dec_sw_ring_test_ring,
1800 	.test_ib = NULL,//amdgpu_vcn_dec_sw_ring_test_ib,
1801 	.insert_nop = amdgpu_ring_insert_nop,
1802 	.insert_end = vcn_dec_sw_ring_insert_end,
1803 	.pad_ib = amdgpu_ring_generic_pad_ib,
1804 	.begin_use = amdgpu_vcn_ring_begin_use,
1805 	.end_use = amdgpu_vcn_ring_end_use,
1806 	.emit_wreg = vcn_dec_sw_ring_emit_wreg,
1807 	.emit_reg_wait = vcn_dec_sw_ring_emit_reg_wait,
1808 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1809 };
1810 
vcn_v3_0_limit_sched(struct amdgpu_cs_parser * p,struct amdgpu_job * job)1811 static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p,
1812 				struct amdgpu_job *job)
1813 {
1814 	struct drm_gpu_scheduler **scheds;
1815 
1816 	/* The create msg must be in the first IB submitted */
1817 	if (atomic_read(&job->base.entity->fence_seq))
1818 		return -EINVAL;
1819 
1820 	/* if VCN0 is harvested, we can't support AV1 */
1821 	if (p->adev->vcn.harvest_config & AMDGPU_VCN_HARVEST_VCN0)
1822 		return -EINVAL;
1823 
1824 	scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_DEC]
1825 		[AMDGPU_RING_PRIO_DEFAULT].sched;
1826 	drm_sched_entity_modify_sched(job->base.entity, scheds, 1);
1827 	return 0;
1828 }
1829 
vcn_v3_0_dec_msg(struct amdgpu_cs_parser * p,struct amdgpu_job * job,uint64_t addr)1830 static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
1831 			    uint64_t addr)
1832 {
1833 	struct ttm_operation_ctx ctx = { false, false };
1834 	struct amdgpu_bo_va_mapping *map;
1835 	uint32_t *msg, num_buffers;
1836 	struct amdgpu_bo *bo;
1837 	uint64_t start, end;
1838 	unsigned int i;
1839 	void *ptr;
1840 	int r;
1841 
1842 	addr &= AMDGPU_GMC_HOLE_MASK;
1843 	r = amdgpu_cs_find_mapping(p, addr, &bo, &map);
1844 	if (r) {
1845 		DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
1846 		return r;
1847 	}
1848 
1849 	start = map->start * AMDGPU_GPU_PAGE_SIZE;
1850 	end = (map->last + 1) * AMDGPU_GPU_PAGE_SIZE;
1851 	if (addr & 0x7) {
1852 		DRM_ERROR("VCN messages must be 8 byte aligned!\n");
1853 		return -EINVAL;
1854 	}
1855 
1856 	bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
1857 	amdgpu_bo_placement_from_domain(bo, bo->allowed_domains);
1858 	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1859 	if (r) {
1860 		DRM_ERROR("Failed validating the VCN message BO (%d)!\n", r);
1861 		return r;
1862 	}
1863 
1864 	r = amdgpu_bo_kmap(bo, &ptr);
1865 	if (r) {
1866 		DRM_ERROR("Failed mapping the VCN message (%d)!\n", r);
1867 		return r;
1868 	}
1869 
1870 	msg = ptr + addr - start;
1871 
1872 	/* Check length */
1873 	if (msg[1] > end - addr) {
1874 		r = -EINVAL;
1875 		goto out;
1876 	}
1877 
1878 	if (msg[3] != RDECODE_MSG_CREATE)
1879 		goto out;
1880 
1881 	num_buffers = msg[2];
1882 	for (i = 0, msg = &msg[6]; i < num_buffers; ++i, msg += 4) {
1883 		uint32_t offset, size, *create;
1884 
1885 		if (msg[0] != RDECODE_MESSAGE_CREATE)
1886 			continue;
1887 
1888 		offset = msg[1];
1889 		size = msg[2];
1890 
1891 		if (offset + size > end) {
1892 			r = -EINVAL;
1893 			goto out;
1894 		}
1895 
1896 		create = ptr + addr + offset - start;
1897 
1898 		/* H246, HEVC and VP9 can run on any instance */
1899 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
1900 			continue;
1901 
1902 		r = vcn_v3_0_limit_sched(p, job);
1903 		if (r)
1904 			goto out;
1905 	}
1906 
1907 out:
1908 	amdgpu_bo_kunmap(bo);
1909 	return r;
1910 }
1911 
vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser * p,struct amdgpu_job * job,struct amdgpu_ib * ib)1912 static int vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
1913 					   struct amdgpu_job *job,
1914 					   struct amdgpu_ib *ib)
1915 {
1916 	struct amdgpu_ring *ring = amdgpu_job_ring(job);
1917 	uint32_t msg_lo = 0, msg_hi = 0;
1918 	unsigned i;
1919 	int r;
1920 
1921 	/* The first instance can decode anything */
1922 	if (!ring->me)
1923 		return 0;
1924 
1925 	for (i = 0; i < ib->length_dw; i += 2) {
1926 		uint32_t reg = amdgpu_ib_get_value(ib, i);
1927 		uint32_t val = amdgpu_ib_get_value(ib, i + 1);
1928 
1929 		if (reg == PACKET0(p->adev->vcn.internal.data0, 0)) {
1930 			msg_lo = val;
1931 		} else if (reg == PACKET0(p->adev->vcn.internal.data1, 0)) {
1932 			msg_hi = val;
1933 		} else if (reg == PACKET0(p->adev->vcn.internal.cmd, 0) &&
1934 			   val == 0) {
1935 			r = vcn_v3_0_dec_msg(p, job,
1936 					     ((u64)msg_hi) << 32 | msg_lo);
1937 			if (r)
1938 				return r;
1939 		}
1940 	}
1941 	return 0;
1942 }
1943 
1944 static const struct amdgpu_ring_funcs vcn_v3_0_dec_ring_vm_funcs = {
1945 	.type = AMDGPU_RING_TYPE_VCN_DEC,
1946 	.align_mask = 0xf,
1947 	.secure_submission_supported = true,
1948 	.get_rptr = vcn_v3_0_dec_ring_get_rptr,
1949 	.get_wptr = vcn_v3_0_dec_ring_get_wptr,
1950 	.set_wptr = vcn_v3_0_dec_ring_set_wptr,
1951 	.patch_cs_in_place = vcn_v3_0_ring_patch_cs_in_place,
1952 	.emit_frame_size =
1953 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
1954 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
1955 		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
1956 		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
1957 		6,
1958 	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
1959 	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
1960 	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
1961 	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
1962 	.test_ring = vcn_v2_0_dec_ring_test_ring,
1963 	.test_ib = amdgpu_vcn_dec_ring_test_ib,
1964 	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
1965 	.insert_start = vcn_v2_0_dec_ring_insert_start,
1966 	.insert_end = vcn_v2_0_dec_ring_insert_end,
1967 	.pad_ib = amdgpu_ring_generic_pad_ib,
1968 	.begin_use = amdgpu_vcn_ring_begin_use,
1969 	.end_use = amdgpu_vcn_ring_end_use,
1970 	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
1971 	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
1972 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1973 };
1974 
1975 /**
1976  * vcn_v3_0_enc_ring_get_rptr - get enc read pointer
1977  *
1978  * @ring: amdgpu_ring pointer
1979  *
1980  * Returns the current hardware enc read pointer
1981  */
vcn_v3_0_enc_ring_get_rptr(struct amdgpu_ring * ring)1982 static uint64_t vcn_v3_0_enc_ring_get_rptr(struct amdgpu_ring *ring)
1983 {
1984 	struct amdgpu_device *adev = ring->adev;
1985 
1986 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
1987 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
1988 	else
1989 		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
1990 }
1991 
1992 /**
1993  * vcn_v3_0_enc_ring_get_wptr - get enc write pointer
1994  *
1995  * @ring: amdgpu_ring pointer
1996  *
1997  * Returns the current hardware enc write pointer
1998  */
vcn_v3_0_enc_ring_get_wptr(struct amdgpu_ring * ring)1999 static uint64_t vcn_v3_0_enc_ring_get_wptr(struct amdgpu_ring *ring)
2000 {
2001 	struct amdgpu_device *adev = ring->adev;
2002 
2003 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
2004 		if (ring->use_doorbell)
2005 			return *ring->wptr_cpu_addr;
2006 		else
2007 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
2008 	} else {
2009 		if (ring->use_doorbell)
2010 			return *ring->wptr_cpu_addr;
2011 		else
2012 			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
2013 	}
2014 }
2015 
2016 /**
2017  * vcn_v3_0_enc_ring_set_wptr - set enc write pointer
2018  *
2019  * @ring: amdgpu_ring pointer
2020  *
2021  * Commits the enc write pointer to the hardware
2022  */
vcn_v3_0_enc_ring_set_wptr(struct amdgpu_ring * ring)2023 static void vcn_v3_0_enc_ring_set_wptr(struct amdgpu_ring *ring)
2024 {
2025 	struct amdgpu_device *adev = ring->adev;
2026 
2027 	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
2028 		if (ring->use_doorbell) {
2029 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
2030 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
2031 		} else {
2032 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
2033 		}
2034 	} else {
2035 		if (ring->use_doorbell) {
2036 			*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
2037 			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
2038 		} else {
2039 			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
2040 		}
2041 	}
2042 }
2043 
2044 static const struct amdgpu_ring_funcs vcn_v3_0_enc_ring_vm_funcs = {
2045 	.type = AMDGPU_RING_TYPE_VCN_ENC,
2046 	.align_mask = 0x3f,
2047 	.nop = VCN_ENC_CMD_NO_OP,
2048 	.get_rptr = vcn_v3_0_enc_ring_get_rptr,
2049 	.get_wptr = vcn_v3_0_enc_ring_get_wptr,
2050 	.set_wptr = vcn_v3_0_enc_ring_set_wptr,
2051 	.emit_frame_size =
2052 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
2053 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
2054 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
2055 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
2056 		1, /* vcn_v2_0_enc_ring_insert_end */
2057 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
2058 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
2059 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
2060 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
2061 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
2062 	.test_ib = amdgpu_vcn_enc_ring_test_ib,
2063 	.insert_nop = amdgpu_ring_insert_nop,
2064 	.insert_end = vcn_v2_0_enc_ring_insert_end,
2065 	.pad_ib = amdgpu_ring_generic_pad_ib,
2066 	.begin_use = amdgpu_vcn_ring_begin_use,
2067 	.end_use = amdgpu_vcn_ring_end_use,
2068 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
2069 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
2070 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
2071 };
2072 
vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device * adev)2073 static void vcn_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
2074 {
2075 	int i;
2076 
2077 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2078 		if (adev->vcn.harvest_config & (1 << i))
2079 			continue;
2080 
2081 		if (!DEC_SW_RING_ENABLED)
2082 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_ring_vm_funcs;
2083 		else
2084 			adev->vcn.inst[i].ring_dec.funcs = &vcn_v3_0_dec_sw_ring_vm_funcs;
2085 		adev->vcn.inst[i].ring_dec.me = i;
2086 	}
2087 }
2088 
vcn_v3_0_set_enc_ring_funcs(struct amdgpu_device * adev)2089 static void vcn_v3_0_set_enc_ring_funcs(struct amdgpu_device *adev)
2090 {
2091 	int i, j;
2092 
2093 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2094 		if (adev->vcn.harvest_config & (1 << i))
2095 			continue;
2096 
2097 		for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
2098 			adev->vcn.inst[i].ring_enc[j].funcs = &vcn_v3_0_enc_ring_vm_funcs;
2099 			adev->vcn.inst[i].ring_enc[j].me = i;
2100 		}
2101 	}
2102 }
2103 
vcn_v3_0_is_idle(void * handle)2104 static bool vcn_v3_0_is_idle(void *handle)
2105 {
2106 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2107 	int i, ret = 1;
2108 
2109 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2110 		if (adev->vcn.harvest_config & (1 << i))
2111 			continue;
2112 
2113 		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
2114 	}
2115 
2116 	return ret;
2117 }
2118 
vcn_v3_0_wait_for_idle(void * handle)2119 static int vcn_v3_0_wait_for_idle(void *handle)
2120 {
2121 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2122 	int i, ret = 0;
2123 
2124 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2125 		if (adev->vcn.harvest_config & (1 << i))
2126 			continue;
2127 
2128 		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
2129 			UVD_STATUS__IDLE);
2130 		if (ret)
2131 			return ret;
2132 	}
2133 
2134 	return ret;
2135 }
2136 
vcn_v3_0_set_clockgating_state(void * handle,enum amd_clockgating_state state)2137 static int vcn_v3_0_set_clockgating_state(void *handle,
2138 					  enum amd_clockgating_state state)
2139 {
2140 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2141 	bool enable = state == AMD_CG_STATE_GATE;
2142 	int i;
2143 
2144 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2145 		if (adev->vcn.harvest_config & (1 << i))
2146 			continue;
2147 
2148 		if (enable) {
2149 			if (RREG32_SOC15(VCN, i, mmUVD_STATUS) != UVD_STATUS__IDLE)
2150 				return -EBUSY;
2151 			vcn_v3_0_enable_clock_gating(adev, i);
2152 		} else {
2153 			vcn_v3_0_disable_clock_gating(adev, i);
2154 		}
2155 	}
2156 
2157 	return 0;
2158 }
2159 
vcn_v3_0_set_powergating_state(void * handle,enum amd_powergating_state state)2160 static int vcn_v3_0_set_powergating_state(void *handle,
2161 					  enum amd_powergating_state state)
2162 {
2163 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2164 	int ret;
2165 
2166 	/* for SRIOV, guest should not control VCN Power-gating
2167 	 * MMSCH FW should control Power-gating and clock-gating
2168 	 * guest should avoid touching CGC and PG
2169 	 */
2170 	if (amdgpu_sriov_vf(adev)) {
2171 		adev->vcn.cur_state = AMD_PG_STATE_UNGATE;
2172 		return 0;
2173 	}
2174 
2175 	if (state == adev->vcn.cur_state)
2176 		return 0;
2177 
2178 	if (state == AMD_PG_STATE_GATE)
2179 		ret = vcn_v3_0_stop(adev);
2180 	else
2181 		ret = vcn_v3_0_start(adev);
2182 
2183 	if (!ret)
2184 		adev->vcn.cur_state = state;
2185 
2186 	return ret;
2187 }
2188 
vcn_v3_0_set_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned type,enum amdgpu_interrupt_state state)2189 static int vcn_v3_0_set_interrupt_state(struct amdgpu_device *adev,
2190 					struct amdgpu_irq_src *source,
2191 					unsigned type,
2192 					enum amdgpu_interrupt_state state)
2193 {
2194 	return 0;
2195 }
2196 
vcn_v3_0_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)2197 static int vcn_v3_0_process_interrupt(struct amdgpu_device *adev,
2198 				      struct amdgpu_irq_src *source,
2199 				      struct amdgpu_iv_entry *entry)
2200 {
2201 	uint32_t ip_instance;
2202 
2203 	switch (entry->client_id) {
2204 	case SOC15_IH_CLIENTID_VCN:
2205 		ip_instance = 0;
2206 		break;
2207 	case SOC15_IH_CLIENTID_VCN1:
2208 		ip_instance = 1;
2209 		break;
2210 	default:
2211 		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
2212 		return 0;
2213 	}
2214 
2215 	DRM_DEBUG("IH: VCN TRAP\n");
2216 
2217 	switch (entry->src_id) {
2218 	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
2219 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
2220 		break;
2221 	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
2222 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
2223 		break;
2224 	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
2225 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
2226 		break;
2227 	default:
2228 		DRM_ERROR("Unhandled interrupt: %d %d\n",
2229 			  entry->src_id, entry->src_data[0]);
2230 		break;
2231 	}
2232 
2233 	return 0;
2234 }
2235 
2236 static const struct amdgpu_irq_src_funcs vcn_v3_0_irq_funcs = {
2237 	.set = vcn_v3_0_set_interrupt_state,
2238 	.process = vcn_v3_0_process_interrupt,
2239 };
2240 
vcn_v3_0_set_irq_funcs(struct amdgpu_device * adev)2241 static void vcn_v3_0_set_irq_funcs(struct amdgpu_device *adev)
2242 {
2243 	int i;
2244 
2245 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2246 		if (adev->vcn.harvest_config & (1 << i))
2247 			continue;
2248 
2249 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
2250 		adev->vcn.inst[i].irq.funcs = &vcn_v3_0_irq_funcs;
2251 	}
2252 }
2253 
vcn_v3_0_print_ip_state(void * handle,struct drm_printer * p)2254 static void vcn_v3_0_print_ip_state(void *handle, struct drm_printer *p)
2255 {
2256 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2257 	int i, j;
2258 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_3_0);
2259 	uint32_t inst_off;
2260 	bool is_powered;
2261 
2262 	if (!adev->vcn.ip_dump)
2263 		return;
2264 
2265 	drm_printf(p, "num_instances:%d\n", adev->vcn.num_vcn_inst);
2266 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
2267 		if (adev->vcn.harvest_config & (1 << i)) {
2268 			drm_printf(p, "\nHarvested Instance:VCN%d Skipping dump\n", i);
2269 			continue;
2270 		}
2271 
2272 		inst_off = i * reg_count;
2273 		is_powered = (adev->vcn.ip_dump[inst_off] &
2274 			      UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
2275 
2276 		if (is_powered) {
2277 			drm_printf(p, "\nActive Instance:VCN%d\n", i);
2278 			for (j = 0; j < reg_count; j++)
2279 				drm_printf(p, "%-50s \t 0x%08x\n", vcn_reg_list_3_0[j].reg_name,
2280 					   adev->vcn.ip_dump[inst_off + j]);
2281 		} else {
2282 			drm_printf(p, "\nInactive Instance:VCN%d\n", i);
2283 		}
2284 	}
2285 }
2286 
vcn_v3_0_dump_ip_state(void * handle)2287 static void vcn_v3_0_dump_ip_state(void *handle)
2288 {
2289 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2290 	int i, j;
2291 	bool is_powered;
2292 	uint32_t inst_off;
2293 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_3_0);
2294 
2295 	if (!adev->vcn.ip_dump)
2296 		return;
2297 
2298 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
2299 		if (adev->vcn.harvest_config & (1 << i))
2300 			continue;
2301 
2302 		inst_off = i * reg_count;
2303 		/* mmUVD_POWER_STATUS is always readable and is first element of the array */
2304 		adev->vcn.ip_dump[inst_off] = RREG32_SOC15(VCN, i, mmUVD_POWER_STATUS);
2305 		is_powered = (adev->vcn.ip_dump[inst_off] &
2306 			      UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
2307 
2308 		if (is_powered)
2309 			for (j = 1; j < reg_count; j++)
2310 				adev->vcn.ip_dump[inst_off + j] =
2311 					RREG32(SOC15_REG_ENTRY_OFFSET_INST(vcn_reg_list_3_0[j], i));
2312 	}
2313 }
2314 
2315 static const struct amd_ip_funcs vcn_v3_0_ip_funcs = {
2316 	.name = "vcn_v3_0",
2317 	.early_init = vcn_v3_0_early_init,
2318 	.late_init = NULL,
2319 	.sw_init = vcn_v3_0_sw_init,
2320 	.sw_fini = vcn_v3_0_sw_fini,
2321 	.hw_init = vcn_v3_0_hw_init,
2322 	.hw_fini = vcn_v3_0_hw_fini,
2323 	.suspend = vcn_v3_0_suspend,
2324 	.resume = vcn_v3_0_resume,
2325 	.is_idle = vcn_v3_0_is_idle,
2326 	.wait_for_idle = vcn_v3_0_wait_for_idle,
2327 	.check_soft_reset = NULL,
2328 	.pre_soft_reset = NULL,
2329 	.soft_reset = NULL,
2330 	.post_soft_reset = NULL,
2331 	.set_clockgating_state = vcn_v3_0_set_clockgating_state,
2332 	.set_powergating_state = vcn_v3_0_set_powergating_state,
2333 	.dump_ip_state = vcn_v3_0_dump_ip_state,
2334 	.print_ip_state = vcn_v3_0_print_ip_state,
2335 };
2336 
2337 const struct amdgpu_ip_block_version vcn_v3_0_ip_block = {
2338 	.type = AMD_IP_BLOCK_TYPE_VCN,
2339 	.major = 3,
2340 	.minor = 0,
2341 	.rev = 0,
2342 	.funcs = &vcn_v3_0_ip_funcs,
2343 };
2344