xref: /linux/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c (revision 3a50a51d)
1 /*
2  * Copyright 2021 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <linux/firmware.h>
25 #include "amdgpu.h"
26 #include "amdgpu_vcn.h"
27 #include "amdgpu_pm.h"
28 #include "amdgpu_cs.h"
29 #include "soc15.h"
30 #include "soc15d.h"
31 #include "soc15_hw_ip.h"
32 #include "vcn_v2_0.h"
33 #include "mmsch_v4_0.h"
34 #include "vcn_v4_0.h"
35 
36 #include "vcn/vcn_4_0_0_offset.h"
37 #include "vcn/vcn_4_0_0_sh_mask.h"
38 #include "ivsrcid/vcn/irqsrcs_vcn_4_0.h"
39 
40 #include <drm/drm_drv.h>
41 
42 #define mmUVD_DPG_LMA_CTL							regUVD_DPG_LMA_CTL
43 #define mmUVD_DPG_LMA_CTL_BASE_IDX						regUVD_DPG_LMA_CTL_BASE_IDX
44 #define mmUVD_DPG_LMA_DATA							regUVD_DPG_LMA_DATA
45 #define mmUVD_DPG_LMA_DATA_BASE_IDX						regUVD_DPG_LMA_DATA_BASE_IDX
46 
47 #define VCN_VID_SOC_ADDRESS_2_0							0x1fb00
48 #define VCN1_VID_SOC_ADDRESS_3_0						0x48300
49 
50 #define VCN_HARVEST_MMSCH								0
51 
52 #define RDECODE_MSG_CREATE							0x00000000
53 #define RDECODE_MESSAGE_CREATE							0x00000001
54 
55 static const struct amdgpu_hwip_reg_entry vcn_reg_list_4_0[] = {
56 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_POWER_STATUS),
57 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_STATUS),
58 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID),
59 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_CONTEXT_ID2),
60 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA0),
61 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_DATA1),
62 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_GPCOM_VCPU_CMD),
63 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI),
64 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO),
65 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI2),
66 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO2),
67 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI3),
68 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO3),
69 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_HI4),
70 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_BASE_LO4),
71 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR),
72 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR),
73 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR2),
74 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR2),
75 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR3),
76 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR3),
77 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_RPTR4),
78 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_WPTR4),
79 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE),
80 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE2),
81 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE3),
82 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_RB_SIZE4),
83 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_PGFSM_CONFIG),
84 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_PGFSM_STATUS),
85 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_CTL),
86 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_DATA),
87 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_LMA_MASK),
88 	SOC15_REG_ENTRY_STR(VCN, 0, regUVD_DPG_PAUSE)
89 };
90 
91 static int amdgpu_ih_clientid_vcns[] = {
92 	SOC15_IH_CLIENTID_VCN,
93 	SOC15_IH_CLIENTID_VCN1
94 };
95 
96 static int vcn_v4_0_start_sriov(struct amdgpu_device *adev);
97 static void vcn_v4_0_set_unified_ring_funcs(struct amdgpu_device *adev);
98 static void vcn_v4_0_set_irq_funcs(struct amdgpu_device *adev);
99 static int vcn_v4_0_set_powergating_state(void *handle,
100         enum amd_powergating_state state);
101 static int vcn_v4_0_pause_dpg_mode(struct amdgpu_device *adev,
102         int inst_idx, struct dpg_pause_state *new_state);
103 static void vcn_v4_0_unified_ring_set_wptr(struct amdgpu_ring *ring);
104 static void vcn_v4_0_set_ras_funcs(struct amdgpu_device *adev);
105 
106 /**
107  * vcn_v4_0_early_init - set function pointers and load microcode
108  *
109  * @handle: amdgpu_device pointer
110  *
111  * Set ring and irq function pointers
112  * Load microcode from filesystem
113  */
vcn_v4_0_early_init(void * handle)114 static int vcn_v4_0_early_init(void *handle)
115 {
116 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
117 	int i;
118 
119 	if (amdgpu_sriov_vf(adev)) {
120 		adev->vcn.harvest_config = VCN_HARVEST_MMSCH;
121 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
122 			if (amdgpu_vcn_is_disabled_vcn(adev, VCN_ENCODE_RING, i)) {
123 				adev->vcn.harvest_config |= 1 << i;
124 				dev_info(adev->dev, "VCN%d is disabled by hypervisor\n", i);
125 			}
126 		}
127 	}
128 
129 	/* re-use enc ring as unified ring */
130 	adev->vcn.num_enc_rings = 1;
131 
132 	vcn_v4_0_set_unified_ring_funcs(adev);
133 	vcn_v4_0_set_irq_funcs(adev);
134 	vcn_v4_0_set_ras_funcs(adev);
135 
136 	return amdgpu_vcn_early_init(adev);
137 }
138 
vcn_v4_0_fw_shared_init(struct amdgpu_device * adev,int inst_idx)139 static int vcn_v4_0_fw_shared_init(struct amdgpu_device *adev, int inst_idx)
140 {
141 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
142 
143 	fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
144 	fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_FW_SHARED_FLAG_0_UNIFIED_QUEUE);
145 	fw_shared->sq.is_enabled = 1;
146 
147 	fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_SMU_DPM_INTERFACE_FLAG);
148 	fw_shared->smu_dpm_interface.smu_interface_type = (adev->flags & AMD_IS_APU) ?
149 		AMDGPU_VCN_SMU_DPM_INTERFACE_APU : AMDGPU_VCN_SMU_DPM_INTERFACE_DGPU;
150 
151 	if (amdgpu_ip_version(adev, VCN_HWIP, 0) ==
152 	    IP_VERSION(4, 0, 2)) {
153 		fw_shared->present_flag_0 |= AMDGPU_FW_SHARED_FLAG_0_DRM_KEY_INJECT;
154 		fw_shared->drm_key_wa.method =
155 			AMDGPU_DRM_KEY_INJECT_WORKAROUND_VCNFW_ASD_HANDSHAKING;
156 	}
157 
158 	if (amdgpu_vcnfw_log)
159 		amdgpu_vcn_fwlog_init(&adev->vcn.inst[inst_idx]);
160 
161 	return 0;
162 }
163 
164 /**
165  * vcn_v4_0_sw_init - sw init for VCN block
166  *
167  * @handle: amdgpu_device pointer
168  *
169  * Load firmware and sw initialization
170  */
vcn_v4_0_sw_init(void * handle)171 static int vcn_v4_0_sw_init(void *handle)
172 {
173 	struct amdgpu_ring *ring;
174 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
175 	int i, r;
176 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_4_0);
177 	uint32_t *ptr;
178 
179 	r = amdgpu_vcn_sw_init(adev);
180 	if (r)
181 		return r;
182 
183 	amdgpu_vcn_setup_ucode(adev);
184 
185 	r = amdgpu_vcn_resume(adev);
186 	if (r)
187 		return r;
188 
189 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
190 		if (adev->vcn.harvest_config & (1 << i))
191 			continue;
192 
193 		/* Init instance 0 sched_score to 1, so it's scheduled after other instances */
194 		if (i == 0)
195 			atomic_set(&adev->vcn.inst[i].sched_score, 1);
196 		else
197 			atomic_set(&adev->vcn.inst[i].sched_score, 0);
198 
199 		/* VCN UNIFIED TRAP */
200 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
201 				VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[i].irq);
202 		if (r)
203 			return r;
204 
205 		/* VCN POISON TRAP */
206 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],
207 				VCN_4_0__SRCID_UVD_POISON, &adev->vcn.inst[i].ras_poison_irq);
208 		if (r)
209 			return r;
210 
211 		ring = &adev->vcn.inst[i].ring_enc[0];
212 		ring->use_doorbell = true;
213 		if (amdgpu_sriov_vf(adev))
214 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + i * (adev->vcn.num_enc_rings + 1) + 1;
215 		else
216 			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 2 + 8 * i;
217 		ring->vm_hub = AMDGPU_MMHUB0(0);
218 		sprintf(ring->name, "vcn_unified_%d", i);
219 
220 		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[i].irq, 0,
221 						AMDGPU_RING_PRIO_0, &adev->vcn.inst[i].sched_score);
222 		if (r)
223 			return r;
224 
225 		vcn_v4_0_fw_shared_init(adev, i);
226 	}
227 
228 	if (amdgpu_sriov_vf(adev)) {
229 		r = amdgpu_virt_alloc_mm_table(adev);
230 		if (r)
231 			return r;
232 	}
233 
234 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
235 		adev->vcn.pause_dpg_mode = vcn_v4_0_pause_dpg_mode;
236 
237 	r = amdgpu_vcn_ras_sw_init(adev);
238 	if (r)
239 		return r;
240 
241 	/* Allocate memory for VCN IP Dump buffer */
242 	ptr = kcalloc(adev->vcn.num_vcn_inst * reg_count, sizeof(uint32_t), GFP_KERNEL);
243 	if (!ptr) {
244 		DRM_ERROR("Failed to allocate memory for VCN IP Dump\n");
245 		adev->vcn.ip_dump = NULL;
246 	} else {
247 		adev->vcn.ip_dump = ptr;
248 	}
249 
250 	return 0;
251 }
252 
253 /**
254  * vcn_v4_0_sw_fini - sw fini for VCN block
255  *
256  * @handle: amdgpu_device pointer
257  *
258  * VCN suspend and free up sw allocation
259  */
vcn_v4_0_sw_fini(void * handle)260 static int vcn_v4_0_sw_fini(void *handle)
261 {
262 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
263 	int i, r, idx;
264 
265 	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
266 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
267 			volatile struct amdgpu_vcn4_fw_shared *fw_shared;
268 
269 			if (adev->vcn.harvest_config & (1 << i))
270 				continue;
271 
272 			fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
273 			fw_shared->present_flag_0 = 0;
274 			fw_shared->sq.is_enabled = 0;
275 		}
276 
277 		drm_dev_exit(idx);
278 	}
279 
280 	if (amdgpu_sriov_vf(adev))
281 		amdgpu_virt_free_mm_table(adev);
282 
283 	r = amdgpu_vcn_suspend(adev);
284 	if (r)
285 		return r;
286 
287 	r = amdgpu_vcn_sw_fini(adev);
288 
289 	kfree(adev->vcn.ip_dump);
290 
291 	return r;
292 }
293 
294 /**
295  * vcn_v4_0_hw_init - start and test VCN block
296  *
297  * @handle: amdgpu_device pointer
298  *
299  * Initialize the hardware, boot up the VCPU and do some testing
300  */
vcn_v4_0_hw_init(void * handle)301 static int vcn_v4_0_hw_init(void *handle)
302 {
303 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
304 	struct amdgpu_ring *ring;
305 	int i, r;
306 
307 	if (amdgpu_sriov_vf(adev)) {
308 		r = vcn_v4_0_start_sriov(adev);
309 		if (r)
310 			return r;
311 
312 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
313 			if (adev->vcn.harvest_config & (1 << i))
314 				continue;
315 
316 			ring = &adev->vcn.inst[i].ring_enc[0];
317 			ring->wptr = 0;
318 			ring->wptr_old = 0;
319 			vcn_v4_0_unified_ring_set_wptr(ring);
320 			ring->sched.ready = true;
321 		}
322 	} else {
323 		for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
324 			if (adev->vcn.harvest_config & (1 << i))
325 				continue;
326 
327 			ring = &adev->vcn.inst[i].ring_enc[0];
328 
329 			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
330 					((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 8 * i), i);
331 
332 			r = amdgpu_ring_test_helper(ring);
333 			if (r)
334 				return r;
335 		}
336 	}
337 
338 	return 0;
339 }
340 
341 /**
342  * vcn_v4_0_hw_fini - stop the hardware block
343  *
344  * @handle: amdgpu_device pointer
345  *
346  * Stop the VCN block, mark ring as not ready any more
347  */
vcn_v4_0_hw_fini(void * handle)348 static int vcn_v4_0_hw_fini(void *handle)
349 {
350 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
351 	int i;
352 
353 	cancel_delayed_work_sync(&adev->vcn.idle_work);
354 
355 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
356 		if (adev->vcn.harvest_config & (1 << i))
357 			continue;
358 		if (!amdgpu_sriov_vf(adev)) {
359 			if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
360                         (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
361                                 RREG32_SOC15(VCN, i, regUVD_STATUS))) {
362                         vcn_v4_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
363 			}
364 		}
365 		if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__VCN))
366 			amdgpu_irq_put(adev, &adev->vcn.inst[i].ras_poison_irq, 0);
367 	}
368 
369 	return 0;
370 }
371 
372 /**
373  * vcn_v4_0_suspend - suspend VCN block
374  *
375  * @handle: amdgpu_device pointer
376  *
377  * HW fini and suspend VCN block
378  */
vcn_v4_0_suspend(void * handle)379 static int vcn_v4_0_suspend(void *handle)
380 {
381 	int r;
382 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
383 
384 	r = vcn_v4_0_hw_fini(adev);
385 	if (r)
386 		return r;
387 
388 	r = amdgpu_vcn_suspend(adev);
389 
390 	return r;
391 }
392 
393 /**
394  * vcn_v4_0_resume - resume VCN block
395  *
396  * @handle: amdgpu_device pointer
397  *
398  * Resume firmware and hw init VCN block
399  */
vcn_v4_0_resume(void * handle)400 static int vcn_v4_0_resume(void *handle)
401 {
402 	int r;
403 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
404 
405 	r = amdgpu_vcn_resume(adev);
406 	if (r)
407 		return r;
408 
409 	r = vcn_v4_0_hw_init(adev);
410 
411 	return r;
412 }
413 
414 /**
415  * vcn_v4_0_mc_resume - memory controller programming
416  *
417  * @adev: amdgpu_device pointer
418  * @inst: instance number
419  *
420  * Let the VCN memory controller know it's offsets
421  */
vcn_v4_0_mc_resume(struct amdgpu_device * adev,int inst)422 static void vcn_v4_0_mc_resume(struct amdgpu_device *adev, int inst)
423 {
424 	uint32_t offset, size;
425 	const struct common_firmware_header *hdr;
426 
427 	hdr = (const struct common_firmware_header *)adev->vcn.fw[inst]->data;
428 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
429 
430 	/* cache window 0: fw */
431 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
432 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
433 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_lo));
434 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
435 			(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst].tmr_mc_addr_hi));
436 		WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, 0);
437 		offset = 0;
438 	} else {
439 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
440 			lower_32_bits(adev->vcn.inst[inst].gpu_addr));
441 		WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
442 			upper_32_bits(adev->vcn.inst[inst].gpu_addr));
443 		offset = size;
444                 WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET0, AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
445 	}
446 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE0, size);
447 
448 	/* cache window 1: stack */
449 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
450 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
451 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
452 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset));
453 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET1, 0);
454 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
455 
456 	/* cache window 2: context */
457 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
458 		lower_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
459 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
460 		upper_32_bits(adev->vcn.inst[inst].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
461 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_OFFSET2, 0);
462 	WREG32_SOC15(VCN, inst, regUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
463 
464 	/* non-cache window */
465 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
466 		lower_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
467 	WREG32_SOC15(VCN, inst, regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
468 		upper_32_bits(adev->vcn.inst[inst].fw_shared.gpu_addr));
469 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_OFFSET0, 0);
470 	WREG32_SOC15(VCN, inst, regUVD_VCPU_NONCACHE_SIZE0,
471 		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)));
472 }
473 
474 /**
475  * vcn_v4_0_mc_resume_dpg_mode - memory controller programming for dpg mode
476  *
477  * @adev: amdgpu_device pointer
478  * @inst_idx: instance number index
479  * @indirect: indirectly write sram
480  *
481  * Let the VCN memory controller know it's offsets with dpg mode
482  */
vcn_v4_0_mc_resume_dpg_mode(struct amdgpu_device * adev,int inst_idx,bool indirect)483 static void vcn_v4_0_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
484 {
485 	uint32_t offset, size;
486 	const struct common_firmware_header *hdr;
487 	hdr = (const struct common_firmware_header *)adev->vcn.fw[inst_idx]->data;
488 	size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
489 
490 	/* cache window 0: fw */
491 	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
492 		if (!indirect) {
493 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
494 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
495 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
496 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
497 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
498 				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
499 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
500 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
501 		} else {
502 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
503 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
504 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
505 				VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
506 			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
507 				VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
508 		}
509 		offset = 0;
510 	} else {
511 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
512 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
513 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
514 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
515 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
516 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
517 		offset = size;
518 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
519 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET0),
520 			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
521 	}
522 
523 	if (!indirect)
524 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
525 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
526 	else
527 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
528 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
529 
530 	/* cache window 1: stack */
531 	if (!indirect) {
532 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
533 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
534 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
535 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
536 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
537 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
538 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
539 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
540 	} else {
541 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
542 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
543 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
544 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
545 		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
546 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
547 	}
548 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
549 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
550 
551 	/* cache window 2: context */
552 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
553 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
554 			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
555 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
556 			VCN, inst_idx, regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
557 			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
558 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
559 			VCN, inst_idx, regUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
560 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
561 			VCN, inst_idx, regUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
562 
563 	/* non-cache window */
564 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
565 			VCN, inst_idx, regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
566 			lower_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_LMI_VCPU_NC0_64BIT_BAR_HIGH),
569 			upper_32_bits(adev->vcn.inst[inst_idx].fw_shared.gpu_addr), 0, indirect);
570 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
571 			VCN, inst_idx, regUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
572 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
573 			VCN, inst_idx, regUVD_VCPU_NONCACHE_SIZE0),
574 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)), 0, indirect);
575 
576 	/* VCN global tiling registers */
577 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
578 		VCN, 0, regUVD_GFX10_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
579 }
580 
581 /**
582  * vcn_v4_0_disable_static_power_gating - disable VCN static power gating
583  *
584  * @adev: amdgpu_device pointer
585  * @inst: instance number
586  *
587  * Disable static power gating for VCN block
588  */
vcn_v4_0_disable_static_power_gating(struct amdgpu_device * adev,int inst)589 static void vcn_v4_0_disable_static_power_gating(struct amdgpu_device *adev, int inst)
590 {
591 	uint32_t data = 0;
592 
593 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
594 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
595 			| 1 << UVD_PGFSM_CONFIG__UVDS_PWR_CONFIG__SHIFT
596 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
597 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
598 			| 2 << UVD_PGFSM_CONFIG__UVDTC_PWR_CONFIG__SHIFT
599 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
600 			| 2 << UVD_PGFSM_CONFIG__UVDTA_PWR_CONFIG__SHIFT
601 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
602 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
603 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
604 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
605 			| 2 << UVD_PGFSM_CONFIG__UVDTB_PWR_CONFIG__SHIFT
606 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
607 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
608 
609 		WREG32_SOC15(VCN, inst, regUVD_PGFSM_CONFIG, data);
610 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_PGFSM_STATUS,
611 			UVD_PGFSM_STATUS__UVDM_UVDU_UVDLM_PWR_ON_3_0, 0x3F3FFFFF);
612 	} else {
613 		uint32_t value;
614 
615 		value = (inst) ? 0x2200800 : 0;
616 		data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
617 			| 1 << UVD_PGFSM_CONFIG__UVDS_PWR_CONFIG__SHIFT
618 			| 1 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
619 			| 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
620 			| 1 << UVD_PGFSM_CONFIG__UVDTC_PWR_CONFIG__SHIFT
621 			| 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
622 			| 1 << UVD_PGFSM_CONFIG__UVDTA_PWR_CONFIG__SHIFT
623 			| 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
624 			| 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
625 			| 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
626 			| 1 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
627 			| 1 << UVD_PGFSM_CONFIG__UVDTB_PWR_CONFIG__SHIFT
628 			| 1 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
629 			| 1 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
630 
631                 WREG32_SOC15(VCN, inst, regUVD_PGFSM_CONFIG, data);
632                 SOC15_WAIT_ON_RREG(VCN, inst, regUVD_PGFSM_STATUS, value,  0x3F3FFFFF);
633         }
634 
635         data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
636         data &= ~0x103;
637         if (adev->pg_flags & AMD_PG_SUPPORT_VCN)
638                 data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON |
639                         UVD_POWER_STATUS__UVD_PG_EN_MASK;
640 
641         WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
642 
643         return;
644 }
645 
646 /**
647  * vcn_v4_0_enable_static_power_gating - enable VCN static power gating
648  *
649  * @adev: amdgpu_device pointer
650  * @inst: instance number
651  *
652  * Enable static power gating for VCN block
653  */
vcn_v4_0_enable_static_power_gating(struct amdgpu_device * adev,int inst)654 static void vcn_v4_0_enable_static_power_gating(struct amdgpu_device *adev, int inst)
655 {
656 	uint32_t data;
657 
658 	if (adev->pg_flags & AMD_PG_SUPPORT_VCN) {
659 		/* Before power off, this indicator has to be turned on */
660 		data = RREG32_SOC15(VCN, inst, regUVD_POWER_STATUS);
661 		data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK;
662 		data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF;
663 		WREG32_SOC15(VCN, inst, regUVD_POWER_STATUS, data);
664 
665 		data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT
666 			| 2 << UVD_PGFSM_CONFIG__UVDS_PWR_CONFIG__SHIFT
667 			| 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT
668 			| 2 << UVD_PGFSM_CONFIG__UVDTC_PWR_CONFIG__SHIFT
669 			| 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT
670 			| 2 << UVD_PGFSM_CONFIG__UVDTA_PWR_CONFIG__SHIFT
671 			| 2 << UVD_PGFSM_CONFIG__UVDLM_PWR_CONFIG__SHIFT
672 			| 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT
673 			| 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT
674 			| 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT
675 			| 2 << UVD_PGFSM_CONFIG__UVDAB_PWR_CONFIG__SHIFT
676 			| 2 << UVD_PGFSM_CONFIG__UVDTB_PWR_CONFIG__SHIFT
677 			| 2 << UVD_PGFSM_CONFIG__UVDNA_PWR_CONFIG__SHIFT
678 			| 2 << UVD_PGFSM_CONFIG__UVDNB_PWR_CONFIG__SHIFT);
679 		WREG32_SOC15(VCN, inst, regUVD_PGFSM_CONFIG, data);
680 
681 		data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT
682 			| 2 << UVD_PGFSM_STATUS__UVDS_PWR_STATUS__SHIFT
683 			| 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT
684 			| 2 << UVD_PGFSM_STATUS__UVDTC_PWR_STATUS__SHIFT
685 			| 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT
686 			| 2 << UVD_PGFSM_STATUS__UVDTA_PWR_STATUS__SHIFT
687 			| 2 << UVD_PGFSM_STATUS__UVDLM_PWR_STATUS__SHIFT
688 			| 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT
689 			| 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT
690 			| 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT
691 			| 2 << UVD_PGFSM_STATUS__UVDAB_PWR_STATUS__SHIFT
692 			| 2 << UVD_PGFSM_STATUS__UVDTB_PWR_STATUS__SHIFT
693 			| 2 << UVD_PGFSM_STATUS__UVDNA_PWR_STATUS__SHIFT
694 			| 2 << UVD_PGFSM_STATUS__UVDNB_PWR_STATUS__SHIFT);
695 		SOC15_WAIT_ON_RREG(VCN, inst, regUVD_PGFSM_STATUS, data, 0x3F3FFFFF);
696 	}
697 
698         return;
699 }
700 
701 /**
702  * vcn_v4_0_disable_clock_gating - disable VCN clock gating
703  *
704  * @adev: amdgpu_device pointer
705  * @inst: instance number
706  *
707  * Disable clock gating for VCN block
708  */
vcn_v4_0_disable_clock_gating(struct amdgpu_device * adev,int inst)709 static void vcn_v4_0_disable_clock_gating(struct amdgpu_device *adev, int inst)
710 {
711 	uint32_t data;
712 
713 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
714 		return;
715 
716 	/* VCN disable CGC */
717 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
718 	data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
719 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
720 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
721 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
722 
723 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_GATE);
724 	data &= ~(UVD_CGC_GATE__SYS_MASK
725 		| UVD_CGC_GATE__UDEC_MASK
726 		| UVD_CGC_GATE__MPEG2_MASK
727 		| UVD_CGC_GATE__REGS_MASK
728 		| UVD_CGC_GATE__RBC_MASK
729 		| UVD_CGC_GATE__LMI_MC_MASK
730 		| UVD_CGC_GATE__LMI_UMC_MASK
731 		| UVD_CGC_GATE__IDCT_MASK
732 		| UVD_CGC_GATE__MPRD_MASK
733 		| UVD_CGC_GATE__MPC_MASK
734 		| UVD_CGC_GATE__LBSI_MASK
735 		| UVD_CGC_GATE__LRBBM_MASK
736 		| UVD_CGC_GATE__UDEC_RE_MASK
737 		| UVD_CGC_GATE__UDEC_CM_MASK
738 		| UVD_CGC_GATE__UDEC_IT_MASK
739 		| UVD_CGC_GATE__UDEC_DB_MASK
740 		| UVD_CGC_GATE__UDEC_MP_MASK
741 		| UVD_CGC_GATE__WCB_MASK
742 		| UVD_CGC_GATE__VCPU_MASK
743 		| UVD_CGC_GATE__MMSCH_MASK);
744 
745 	WREG32_SOC15(VCN, inst, regUVD_CGC_GATE, data);
746 	SOC15_WAIT_ON_RREG(VCN, inst, regUVD_CGC_GATE, 0,  0xFFFFFFFF);
747 
748 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
749 	data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
750 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
751 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
752 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
753 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
754 		| UVD_CGC_CTRL__SYS_MODE_MASK
755 		| UVD_CGC_CTRL__UDEC_MODE_MASK
756 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
757 		| UVD_CGC_CTRL__REGS_MODE_MASK
758 		| UVD_CGC_CTRL__RBC_MODE_MASK
759 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
760 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
761 		| UVD_CGC_CTRL__IDCT_MODE_MASK
762 		| UVD_CGC_CTRL__MPRD_MODE_MASK
763 		| UVD_CGC_CTRL__MPC_MODE_MASK
764 		| UVD_CGC_CTRL__LBSI_MODE_MASK
765 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
766 		| UVD_CGC_CTRL__WCB_MODE_MASK
767 		| UVD_CGC_CTRL__VCPU_MODE_MASK
768 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
769 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
770 
771 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_GATE);
772 	data |= (UVD_SUVD_CGC_GATE__SRE_MASK
773 		| UVD_SUVD_CGC_GATE__SIT_MASK
774 		| UVD_SUVD_CGC_GATE__SMP_MASK
775 		| UVD_SUVD_CGC_GATE__SCM_MASK
776 		| UVD_SUVD_CGC_GATE__SDB_MASK
777 		| UVD_SUVD_CGC_GATE__SRE_H264_MASK
778 		| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
779 		| UVD_SUVD_CGC_GATE__SIT_H264_MASK
780 		| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
781 		| UVD_SUVD_CGC_GATE__SCM_H264_MASK
782 		| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
783 		| UVD_SUVD_CGC_GATE__SDB_H264_MASK
784 		| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
785 		| UVD_SUVD_CGC_GATE__SCLR_MASK
786 		| UVD_SUVD_CGC_GATE__UVD_SC_MASK
787 		| UVD_SUVD_CGC_GATE__ENT_MASK
788 		| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
789 		| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
790 		| UVD_SUVD_CGC_GATE__SITE_MASK
791 		| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
792 		| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
793 		| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
794 		| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
795 		| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
796 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_GATE, data);
797 
798 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL);
799 	data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
800 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
801 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
802 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
803 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
804 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
805 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
806 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
807 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
808 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
809 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL, data);
810 }
811 
812 /**
813  * vcn_v4_0_disable_clock_gating_dpg_mode - disable VCN clock gating dpg mode
814  *
815  * @adev: amdgpu_device pointer
816  * @sram_sel: sram select
817  * @inst_idx: instance number index
818  * @indirect: indirectly write sram
819  *
820  * Disable clock gating for VCN block with dpg mode
821  */
vcn_v4_0_disable_clock_gating_dpg_mode(struct amdgpu_device * adev,uint8_t sram_sel,int inst_idx,uint8_t indirect)822 static void vcn_v4_0_disable_clock_gating_dpg_mode(struct amdgpu_device *adev, uint8_t sram_sel,
823       int inst_idx, uint8_t indirect)
824 {
825 	uint32_t reg_data = 0;
826 
827 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
828 		return;
829 
830 	/* enable sw clock gating control */
831 	reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
832 	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
833 	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
834 	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
835 		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
836 		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
837 		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
838 		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
839 		 UVD_CGC_CTRL__SYS_MODE_MASK |
840 		 UVD_CGC_CTRL__UDEC_MODE_MASK |
841 		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
842 		 UVD_CGC_CTRL__REGS_MODE_MASK |
843 		 UVD_CGC_CTRL__RBC_MODE_MASK |
844 		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
845 		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
846 		 UVD_CGC_CTRL__IDCT_MODE_MASK |
847 		 UVD_CGC_CTRL__MPRD_MODE_MASK |
848 		 UVD_CGC_CTRL__MPC_MODE_MASK |
849 		 UVD_CGC_CTRL__LBSI_MODE_MASK |
850 		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
851 		 UVD_CGC_CTRL__WCB_MODE_MASK |
852 		 UVD_CGC_CTRL__VCPU_MODE_MASK);
853 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
854 		VCN, inst_idx, regUVD_CGC_CTRL), reg_data, sram_sel, indirect);
855 
856 	/* turn off clock gating */
857 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
858 		VCN, inst_idx, regUVD_CGC_GATE), 0, sram_sel, indirect);
859 
860 	/* turn on SUVD clock gating */
861 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
862 		VCN, inst_idx, regUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
863 
864 	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
865 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
866 		VCN, inst_idx, regUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
867 }
868 
869 /**
870  * vcn_v4_0_enable_clock_gating - enable VCN clock gating
871  *
872  * @adev: amdgpu_device pointer
873  * @inst: instance number
874  *
875  * Enable clock gating for VCN block
876  */
vcn_v4_0_enable_clock_gating(struct amdgpu_device * adev,int inst)877 static void vcn_v4_0_enable_clock_gating(struct amdgpu_device *adev, int inst)
878 {
879 	uint32_t data;
880 
881 	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
882 		return;
883 
884 	/* enable VCN CGC */
885 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
886 	data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
887 	data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
888 	data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
889 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
890 
891 	data = RREG32_SOC15(VCN, inst, regUVD_CGC_CTRL);
892 	data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
893 		| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
894 		| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
895 		| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
896 		| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
897 		| UVD_CGC_CTRL__SYS_MODE_MASK
898 		| UVD_CGC_CTRL__UDEC_MODE_MASK
899 		| UVD_CGC_CTRL__MPEG2_MODE_MASK
900 		| UVD_CGC_CTRL__REGS_MODE_MASK
901 		| UVD_CGC_CTRL__RBC_MODE_MASK
902 		| UVD_CGC_CTRL__LMI_MC_MODE_MASK
903 		| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
904 		| UVD_CGC_CTRL__IDCT_MODE_MASK
905 		| UVD_CGC_CTRL__MPRD_MODE_MASK
906 		| UVD_CGC_CTRL__MPC_MODE_MASK
907 		| UVD_CGC_CTRL__LBSI_MODE_MASK
908 		| UVD_CGC_CTRL__LRBBM_MODE_MASK
909 		| UVD_CGC_CTRL__WCB_MODE_MASK
910 		| UVD_CGC_CTRL__VCPU_MODE_MASK
911 		| UVD_CGC_CTRL__MMSCH_MODE_MASK);
912 	WREG32_SOC15(VCN, inst, regUVD_CGC_CTRL, data);
913 
914 	data = RREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL);
915 	data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
916 		| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
917 		| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
918 		| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
919 		| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
920 		| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
921 		| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
922 		| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
923 		| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
924 		| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
925 	WREG32_SOC15(VCN, inst, regUVD_SUVD_CGC_CTRL, data);
926 }
927 
vcn_v4_0_enable_ras(struct amdgpu_device * adev,int inst_idx,bool indirect)928 static void vcn_v4_0_enable_ras(struct amdgpu_device *adev, int inst_idx,
929 				bool indirect)
930 {
931 	uint32_t tmp;
932 
933 	if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__VCN))
934 		return;
935 
936 	tmp = VCN_RAS_CNTL__VCPU_VCODEC_REARM_MASK |
937 	      VCN_RAS_CNTL__VCPU_VCODEC_IH_EN_MASK |
938 	      VCN_RAS_CNTL__VCPU_VCODEC_PMI_EN_MASK |
939 	      VCN_RAS_CNTL__VCPU_VCODEC_STALL_EN_MASK;
940 	WREG32_SOC15_DPG_MODE(inst_idx,
941 			      SOC15_DPG_MODE_OFFSET(VCN, 0, regVCN_RAS_CNTL),
942 			      tmp, 0, indirect);
943 
944 	tmp = UVD_SYS_INT_EN__RASCNTL_VCPU_VCODEC_EN_MASK;
945 	WREG32_SOC15_DPG_MODE(inst_idx,
946 			      SOC15_DPG_MODE_OFFSET(VCN, 0, regUVD_SYS_INT_EN),
947 			      tmp, 0, indirect);
948 }
949 
950 /**
951  * vcn_v4_0_start_dpg_mode - VCN start with dpg mode
952  *
953  * @adev: amdgpu_device pointer
954  * @inst_idx: instance number index
955  * @indirect: indirectly write sram
956  *
957  * Start VCN block with dpg mode
958  */
vcn_v4_0_start_dpg_mode(struct amdgpu_device * adev,int inst_idx,bool indirect)959 static int vcn_v4_0_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
960 {
961 	volatile struct amdgpu_vcn4_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared.cpu_addr;
962 	struct amdgpu_ring *ring;
963 	uint32_t tmp;
964 
965 	/* disable register anti-hang mechanism */
966 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 1,
967 		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
968 	/* enable dynamic power gating mode */
969 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS);
970 	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
971 	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
972 	WREG32_SOC15(VCN, inst_idx, regUVD_POWER_STATUS, tmp);
973 
974 	if (indirect)
975 		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t *)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
976 
977 	/* enable clock gating */
978 	vcn_v4_0_disable_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
979 
980 	/* enable VCPU clock */
981 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
982 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK | UVD_VCPU_CNTL__BLK_RST_MASK;
983 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
984 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
985 
986 	/* disable master interupt */
987 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
988 		VCN, inst_idx, regUVD_MASTINT_EN), 0, 0, indirect);
989 
990 	/* setup regUVD_LMI_CTRL */
991 	tmp = (UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
992 		UVD_LMI_CTRL__REQ_MODE_MASK |
993 		UVD_LMI_CTRL__CRC_RESET_MASK |
994 		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
995 		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
996 		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
997 		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
998 		0x00100000L);
999 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1000 		VCN, inst_idx, regUVD_LMI_CTRL), tmp, 0, indirect);
1001 
1002 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1003 		VCN, inst_idx, regUVD_MPC_CNTL),
1004 		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
1005 
1006 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1007 		VCN, inst_idx, regUVD_MPC_SET_MUXA0),
1008 		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1009 		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1010 		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1011 		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
1012 
1013 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1014 		VCN, inst_idx, regUVD_MPC_SET_MUXB0),
1015 		 ((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1016 		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1017 		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1018 		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
1019 
1020 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1021 		VCN, inst_idx, regUVD_MPC_SET_MUX),
1022 		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1023 		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1024 		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
1025 
1026 	vcn_v4_0_mc_resume_dpg_mode(adev, inst_idx, indirect);
1027 
1028 	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
1029 	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
1030 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1031 		VCN, inst_idx, regUVD_VCPU_CNTL), tmp, 0, indirect);
1032 
1033 	/* enable LMI MC and UMC channels */
1034 	tmp = 0x1f << UVD_LMI_CTRL2__RE_OFLD_MIF_WR_REQ_NUM__SHIFT;
1035 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1036 		VCN, inst_idx, regUVD_LMI_CTRL2), tmp, 0, indirect);
1037 
1038 	vcn_v4_0_enable_ras(adev, inst_idx, indirect);
1039 
1040 	/* enable master interrupt */
1041 	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
1042 		VCN, inst_idx, regUVD_MASTINT_EN),
1043 		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
1044 
1045 
1046 	if (indirect)
1047 		amdgpu_vcn_psp_update_sram(adev, inst_idx, 0);
1048 
1049 	ring = &adev->vcn.inst[inst_idx].ring_enc[0];
1050 
1051 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_LO, ring->gpu_addr);
1052 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1053 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_SIZE, ring->ring_size / 4);
1054 
1055 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
1056 	tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
1057 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
1058 	fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
1059 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR, 0);
1060 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, 0);
1061 
1062 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_RPTR);
1063 	WREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR, tmp);
1064 	ring->wptr = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
1065 
1066 	tmp = RREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE);
1067 	tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
1068 	WREG32_SOC15(VCN, inst_idx, regVCN_RB_ENABLE, tmp);
1069 	fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
1070 
1071 	WREG32_SOC15(VCN, inst_idx, regVCN_RB1_DB_CTRL,
1072 			ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
1073 			VCN_RB1_DB_CTRL__EN_MASK);
1074 
1075 	return 0;
1076 }
1077 
1078 
1079 /**
1080  * vcn_v4_0_start - VCN start
1081  *
1082  * @adev: amdgpu_device pointer
1083  *
1084  * Start VCN block
1085  */
vcn_v4_0_start(struct amdgpu_device * adev)1086 static int vcn_v4_0_start(struct amdgpu_device *adev)
1087 {
1088 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
1089 	struct amdgpu_ring *ring;
1090 	uint32_t tmp;
1091 	int i, j, k, r;
1092 
1093 	if (adev->pm.dpm_enabled)
1094 		amdgpu_dpm_enable_uvd(adev, true);
1095 
1096 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1097 		if (adev->vcn.harvest_config & (1 << i))
1098 			continue;
1099 
1100 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1101 
1102 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1103 			r = vcn_v4_0_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
1104 			continue;
1105 		}
1106 
1107 		/* disable VCN power gating */
1108 		vcn_v4_0_disable_static_power_gating(adev, i);
1109 
1110 		/* set VCN status busy */
1111 		tmp = RREG32_SOC15(VCN, i, regUVD_STATUS) | UVD_STATUS__UVD_BUSY;
1112 		WREG32_SOC15(VCN, i, regUVD_STATUS, tmp);
1113 
1114 		/*SW clock gating */
1115 		vcn_v4_0_disable_clock_gating(adev, i);
1116 
1117 		/* enable VCPU clock */
1118 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1119 				UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
1120 
1121 		/* disable master interrupt */
1122 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN), 0,
1123 				~UVD_MASTINT_EN__VCPU_EN_MASK);
1124 
1125 		/* enable LMI MC and UMC channels */
1126 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_LMI_CTRL2), 0,
1127 				~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
1128 
1129 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1130 		tmp &= ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1131 		tmp &= ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1132 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1133 
1134 		/* setup regUVD_LMI_CTRL */
1135 		tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL);
1136 		WREG32_SOC15(VCN, i, regUVD_LMI_CTRL, tmp |
1137 				UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
1138 				UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
1139 				UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
1140 				UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
1141 
1142 		/* setup regUVD_MPC_CNTL */
1143 		tmp = RREG32_SOC15(VCN, i, regUVD_MPC_CNTL);
1144 		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
1145 		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
1146 		WREG32_SOC15(VCN, i, regUVD_MPC_CNTL, tmp);
1147 
1148 		/* setup UVD_MPC_SET_MUXA0 */
1149 		WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUXA0,
1150 				((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
1151 				 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
1152 				 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
1153 				 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
1154 
1155 		/* setup UVD_MPC_SET_MUXB0 */
1156 		WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUXB0,
1157 				((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
1158 				 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
1159 				 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
1160 				 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
1161 
1162 		/* setup UVD_MPC_SET_MUX */
1163 		WREG32_SOC15(VCN, i, regUVD_MPC_SET_MUX,
1164 				((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
1165 				 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
1166 				 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
1167 
1168 		vcn_v4_0_mc_resume(adev, i);
1169 
1170 		/* VCN global tiling registers */
1171 		WREG32_SOC15(VCN, i, regUVD_GFX10_ADDR_CONFIG,
1172 				adev->gfx.config.gb_addr_config);
1173 
1174 		/* unblock VCPU register access */
1175 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL), 0,
1176 				~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1177 
1178 		/* release VCPU reset to boot */
1179 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1180 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1181 
1182 		for (j = 0; j < 10; ++j) {
1183 			uint32_t status;
1184 
1185 			for (k = 0; k < 100; ++k) {
1186 				status = RREG32_SOC15(VCN, i, regUVD_STATUS);
1187 				if (status & 2)
1188 					break;
1189 				mdelay(10);
1190 				if (amdgpu_emu_mode == 1)
1191 					msleep(1);
1192 			}
1193 
1194 			if (amdgpu_emu_mode == 1) {
1195 				r = -1;
1196 				if (status & 2) {
1197 					r = 0;
1198 					break;
1199 				}
1200 			} else {
1201 				r = 0;
1202 				if (status & 2)
1203 					break;
1204 
1205 				dev_err(adev->dev, "VCN[%d] is not responding, trying to reset the VCPU!!!\n", i);
1206 				WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1207 							UVD_VCPU_CNTL__BLK_RST_MASK,
1208 							~UVD_VCPU_CNTL__BLK_RST_MASK);
1209 				mdelay(10);
1210 				WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1211 						~UVD_VCPU_CNTL__BLK_RST_MASK);
1212 
1213 				mdelay(10);
1214 				r = -1;
1215 			}
1216 		}
1217 
1218 		if (r) {
1219 			dev_err(adev->dev, "VCN[%d] is not responding, giving up!!!\n", i);
1220 			return r;
1221 		}
1222 
1223 		/* enable master interrupt */
1224 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_MASTINT_EN),
1225 				UVD_MASTINT_EN__VCPU_EN_MASK,
1226 				~UVD_MASTINT_EN__VCPU_EN_MASK);
1227 
1228 		/* clear the busy bit of VCN_STATUS */
1229 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_STATUS), 0,
1230 				~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
1231 
1232 		ring = &adev->vcn.inst[i].ring_enc[0];
1233 		WREG32_SOC15(VCN, i, regVCN_RB1_DB_CTRL,
1234 				ring->doorbell_index << VCN_RB1_DB_CTRL__OFFSET__SHIFT |
1235 				VCN_RB1_DB_CTRL__EN_MASK);
1236 
1237 		WREG32_SOC15(VCN, i, regUVD_RB_BASE_LO, ring->gpu_addr);
1238 		WREG32_SOC15(VCN, i, regUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
1239 		WREG32_SOC15(VCN, i, regUVD_RB_SIZE, ring->ring_size / 4);
1240 
1241 		tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
1242 		tmp &= ~(VCN_RB_ENABLE__RB1_EN_MASK);
1243 		WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
1244 		fw_shared->sq.queue_mode |= FW_QUEUE_RING_RESET;
1245 		WREG32_SOC15(VCN, i, regUVD_RB_RPTR, 0);
1246 		WREG32_SOC15(VCN, i, regUVD_RB_WPTR, 0);
1247 
1248 		tmp = RREG32_SOC15(VCN, i, regUVD_RB_RPTR);
1249 		WREG32_SOC15(VCN, i, regUVD_RB_WPTR, tmp);
1250 		ring->wptr = RREG32_SOC15(VCN, i, regUVD_RB_WPTR);
1251 
1252 		tmp = RREG32_SOC15(VCN, i, regVCN_RB_ENABLE);
1253 		tmp |= VCN_RB_ENABLE__RB1_EN_MASK;
1254 		WREG32_SOC15(VCN, i, regVCN_RB_ENABLE, tmp);
1255 		fw_shared->sq.queue_mode &= ~(FW_QUEUE_RING_RESET | FW_QUEUE_DPG_HOLD_OFF);
1256 	}
1257 
1258 	return 0;
1259 }
1260 
vcn_v4_0_init_ring_metadata(struct amdgpu_device * adev,uint32_t vcn_inst,struct amdgpu_ring * ring_enc)1261 static int vcn_v4_0_init_ring_metadata(struct amdgpu_device *adev, uint32_t vcn_inst, struct amdgpu_ring *ring_enc)
1262 {
1263 	struct amdgpu_vcn_rb_metadata *rb_metadata = NULL;
1264 	uint8_t *rb_ptr = (uint8_t *)ring_enc->ring;
1265 
1266 	rb_ptr += ring_enc->ring_size;
1267 	rb_metadata = (struct amdgpu_vcn_rb_metadata *)rb_ptr;
1268 
1269 	memset(rb_metadata, 0, sizeof(struct amdgpu_vcn_rb_metadata));
1270 	rb_metadata->size = sizeof(struct amdgpu_vcn_rb_metadata);
1271 	rb_metadata->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_SETUP_FLAG);
1272 	rb_metadata->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_DECOUPLE_FLAG);
1273 	rb_metadata->version = 1;
1274 	rb_metadata->ring_id = vcn_inst & 0xFF;
1275 
1276 	return 0;
1277 }
1278 
vcn_v4_0_start_sriov(struct amdgpu_device * adev)1279 static int vcn_v4_0_start_sriov(struct amdgpu_device *adev)
1280 {
1281 	int i;
1282 	struct amdgpu_ring *ring_enc;
1283 	uint64_t cache_addr;
1284 	uint64_t rb_enc_addr;
1285 	uint64_t ctx_addr;
1286 	uint32_t param, resp, expected;
1287 	uint32_t offset, cache_size;
1288 	uint32_t tmp, timeout;
1289 
1290 	struct amdgpu_mm_table *table = &adev->virt.mm_table;
1291 	uint32_t *table_loc;
1292 	uint32_t table_size;
1293 	uint32_t size, size_dw;
1294 	uint32_t init_status;
1295 	uint32_t enabled_vcn;
1296 
1297 	struct mmsch_v4_0_cmd_direct_write
1298 		direct_wt = { {0} };
1299 	struct mmsch_v4_0_cmd_direct_read_modify_write
1300 		direct_rd_mod_wt = { {0} };
1301 	struct mmsch_v4_0_cmd_end end = { {0} };
1302 	struct mmsch_v4_0_init_header header;
1303 
1304 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
1305 	volatile struct amdgpu_fw_shared_rb_setup *rb_setup;
1306 
1307 	direct_wt.cmd_header.command_type =
1308 		MMSCH_COMMAND__DIRECT_REG_WRITE;
1309 	direct_rd_mod_wt.cmd_header.command_type =
1310 		MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
1311 	end.cmd_header.command_type =
1312 		MMSCH_COMMAND__END;
1313 
1314 	header.version = MMSCH_VERSION;
1315 	header.total_size = sizeof(struct mmsch_v4_0_init_header) >> 2;
1316 	for (i = 0; i < MMSCH_V4_0_VCN_INSTANCES; i++) {
1317 		header.inst[i].init_status = 0;
1318 		header.inst[i].table_offset = 0;
1319 		header.inst[i].table_size = 0;
1320 	}
1321 
1322 	table_loc = (uint32_t *)table->cpu_addr;
1323 	table_loc += header.total_size;
1324 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
1325 		if (adev->vcn.harvest_config & (1 << i))
1326 			continue;
1327 
1328 		// Must re/init fw_shared at beginning
1329 		vcn_v4_0_fw_shared_init(adev, i);
1330 
1331 		table_size = 0;
1332 
1333 		MMSCH_V4_0_INSERT_DIRECT_RD_MOD_WT(SOC15_REG_OFFSET(VCN, i,
1334 			regUVD_STATUS),
1335 			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
1336 
1337 		cache_size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw[i]->size + 4);
1338 
1339 		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1340 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1341 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1342 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
1343 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1344 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1345 				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
1346 			offset = 0;
1347 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1348 				regUVD_VCPU_CACHE_OFFSET0),
1349 				0);
1350 		} else {
1351 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1352 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
1353 				lower_32_bits(adev->vcn.inst[i].gpu_addr));
1354 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1355 				regUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
1356 				upper_32_bits(adev->vcn.inst[i].gpu_addr));
1357 			offset = cache_size;
1358 			MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1359 				regUVD_VCPU_CACHE_OFFSET0),
1360 				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
1361 		}
1362 
1363 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1364 			regUVD_VCPU_CACHE_SIZE0),
1365 			cache_size);
1366 
1367 		cache_addr = adev->vcn.inst[i].gpu_addr + offset;
1368 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1369 			regUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
1370 			lower_32_bits(cache_addr));
1371 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1372 			regUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
1373 			upper_32_bits(cache_addr));
1374 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1375 			regUVD_VCPU_CACHE_OFFSET1),
1376 			0);
1377 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1378 			regUVD_VCPU_CACHE_SIZE1),
1379 			AMDGPU_VCN_STACK_SIZE);
1380 
1381 		cache_addr = adev->vcn.inst[i].gpu_addr + offset +
1382 			AMDGPU_VCN_STACK_SIZE;
1383 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1384 			regUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
1385 			lower_32_bits(cache_addr));
1386 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1387 			regUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
1388 			upper_32_bits(cache_addr));
1389 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1390 			regUVD_VCPU_CACHE_OFFSET2),
1391 			0);
1392 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1393 			regUVD_VCPU_CACHE_SIZE2),
1394 			AMDGPU_VCN_CONTEXT_SIZE);
1395 
1396 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1397 		rb_setup = &fw_shared->rb_setup;
1398 
1399 		ring_enc = &adev->vcn.inst[i].ring_enc[0];
1400 		ring_enc->wptr = 0;
1401 		rb_enc_addr = ring_enc->gpu_addr;
1402 
1403 		rb_setup->is_rb_enabled_flags |= RB_ENABLED;
1404 		fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_SETUP_FLAG);
1405 
1406 		if (amdgpu_sriov_is_vcn_rb_decouple(adev)) {
1407 			vcn_v4_0_init_ring_metadata(adev, i, ring_enc);
1408 
1409 			memset((void *)&rb_setup->rb_info, 0, sizeof(struct amdgpu_vcn_rb_setup_info) * MAX_NUM_VCN_RB_SETUP);
1410 			if (!(adev->vcn.harvest_config & (1 << 0))) {
1411 				rb_setup->rb_info[0].rb_addr_lo = lower_32_bits(adev->vcn.inst[0].ring_enc[0].gpu_addr);
1412 				rb_setup->rb_info[0].rb_addr_hi = upper_32_bits(adev->vcn.inst[0].ring_enc[0].gpu_addr);
1413 				rb_setup->rb_info[0].rb_size = adev->vcn.inst[0].ring_enc[0].ring_size / 4;
1414 			}
1415 			if (!(adev->vcn.harvest_config & (1 << 1))) {
1416 				rb_setup->rb_info[2].rb_addr_lo = lower_32_bits(adev->vcn.inst[1].ring_enc[0].gpu_addr);
1417 				rb_setup->rb_info[2].rb_addr_hi = upper_32_bits(adev->vcn.inst[1].ring_enc[0].gpu_addr);
1418 				rb_setup->rb_info[2].rb_size = adev->vcn.inst[1].ring_enc[0].ring_size / 4;
1419 			}
1420 			fw_shared->decouple.is_enabled = 1;
1421 			fw_shared->present_flag_0 |= cpu_to_le32(AMDGPU_VCN_VF_RB_DECOUPLE_FLAG);
1422 		} else {
1423 			rb_setup->rb_addr_lo = lower_32_bits(rb_enc_addr);
1424 			rb_setup->rb_addr_hi = upper_32_bits(rb_enc_addr);
1425 			rb_setup->rb_size = ring_enc->ring_size / 4;
1426 		}
1427 
1428 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1429 			regUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
1430 			lower_32_bits(adev->vcn.inst[i].fw_shared.gpu_addr));
1431 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1432 			regUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
1433 			upper_32_bits(adev->vcn.inst[i].fw_shared.gpu_addr));
1434 		MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(VCN, i,
1435 			regUVD_VCPU_NONCACHE_SIZE0),
1436 			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared)));
1437 
1438 		/* add end packet */
1439 		MMSCH_V4_0_INSERT_END();
1440 
1441 		/* refine header */
1442 		header.inst[i].init_status = 0;
1443 		header.inst[i].table_offset = header.total_size;
1444 		header.inst[i].table_size = table_size;
1445 		header.total_size += table_size;
1446 	}
1447 
1448 	/* Update init table header in memory */
1449 	size = sizeof(struct mmsch_v4_0_init_header);
1450 	table_loc = (uint32_t *)table->cpu_addr;
1451 	memcpy((void *)table_loc, &header, size);
1452 
1453 	/* message MMSCH (in VCN[0]) to initialize this client
1454 	 * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr
1455 	 * of memory descriptor location
1456 	 */
1457 	ctx_addr = table->gpu_addr;
1458 	WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr));
1459 	WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr));
1460 
1461 	/* 2, update vmid of descriptor */
1462 	tmp = RREG32_SOC15(VCN, 0, regMMSCH_VF_VMID);
1463 	tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
1464 	/* use domain0 for MM scheduler */
1465 	tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
1466 	WREG32_SOC15(VCN, 0, regMMSCH_VF_VMID, tmp);
1467 
1468 	/* 3, notify mmsch about the size of this descriptor */
1469 	size = header.total_size;
1470 	WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_SIZE, size);
1471 
1472 	/* 4, set resp to zero */
1473 	WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP, 0);
1474 
1475 	/* 5, kick off the initialization and wait until
1476 	 * MMSCH_VF_MAILBOX_RESP becomes non-zero
1477 	 */
1478 	param = 0x00000001;
1479 	WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_HOST, param);
1480 	tmp = 0;
1481 	timeout = 1000;
1482 	resp = 0;
1483 	expected = MMSCH_VF_MAILBOX_RESP__OK;
1484 	while (resp != expected) {
1485 		resp = RREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP);
1486 		if (resp != 0)
1487 			break;
1488 
1489 		udelay(10);
1490 		tmp = tmp + 10;
1491 		if (tmp >= timeout) {
1492 			DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\
1493 				" waiting for regMMSCH_VF_MAILBOX_RESP "\
1494 				"(expected=0x%08x, readback=0x%08x)\n",
1495 				tmp, expected, resp);
1496 			return -EBUSY;
1497 		}
1498 	}
1499 	enabled_vcn = amdgpu_vcn_is_disabled_vcn(adev, VCN_DECODE_RING, 0) ? 1 : 0;
1500 	init_status = ((struct mmsch_v4_0_init_header *)(table_loc))->inst[enabled_vcn].init_status;
1501 	if (resp != expected && resp != MMSCH_VF_MAILBOX_RESP__INCOMPLETE
1502 	&& init_status != MMSCH_VF_ENGINE_STATUS__PASS)
1503 		DRM_ERROR("MMSCH init status is incorrect! readback=0x%08x, header init "\
1504 			"status for VCN%x: 0x%x\n", resp, enabled_vcn, init_status);
1505 
1506 	return 0;
1507 }
1508 
1509 /**
1510  * vcn_v4_0_stop_dpg_mode - VCN stop with dpg mode
1511  *
1512  * @adev: amdgpu_device pointer
1513  * @inst_idx: instance number index
1514  *
1515  * Stop VCN block with dpg mode
1516  */
vcn_v4_0_stop_dpg_mode(struct amdgpu_device * adev,int inst_idx)1517 static void vcn_v4_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
1518 {
1519 	struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
1520 	uint32_t tmp;
1521 
1522 	vcn_v4_0_pause_dpg_mode(adev, inst_idx, &state);
1523 	/* Wait for power status to be 1 */
1524 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
1525 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1526 
1527 	/* wait for read ptr to be equal to write ptr */
1528 	tmp = RREG32_SOC15(VCN, inst_idx, regUVD_RB_WPTR);
1529 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_RB_RPTR, tmp, 0xFFFFFFFF);
1530 
1531 	SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
1532 		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1533 
1534 	/* disable dynamic power gating mode */
1535 	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, regUVD_POWER_STATUS), 0,
1536 		~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
1537 }
1538 
1539 /**
1540  * vcn_v4_0_stop - VCN stop
1541  *
1542  * @adev: amdgpu_device pointer
1543  *
1544  * Stop VCN block
1545  */
vcn_v4_0_stop(struct amdgpu_device * adev)1546 static int vcn_v4_0_stop(struct amdgpu_device *adev)
1547 {
1548 	volatile struct amdgpu_vcn4_fw_shared *fw_shared;
1549 	uint32_t tmp;
1550 	int i, r = 0;
1551 
1552 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1553 		if (adev->vcn.harvest_config & (1 << i))
1554 			continue;
1555 
1556 		fw_shared = adev->vcn.inst[i].fw_shared.cpu_addr;
1557 		fw_shared->sq.queue_mode |= FW_QUEUE_DPG_HOLD_OFF;
1558 
1559 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
1560 			vcn_v4_0_stop_dpg_mode(adev, i);
1561 			continue;
1562 		}
1563 
1564 		/* wait for vcn idle */
1565 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE, 0x7);
1566 		if (r)
1567 			return r;
1568 
1569 		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
1570 			UVD_LMI_STATUS__READ_CLEAN_MASK |
1571 			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
1572 			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
1573 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
1574 		if (r)
1575 			return r;
1576 
1577 		/* disable LMI UMC channel */
1578 		tmp = RREG32_SOC15(VCN, i, regUVD_LMI_CTRL2);
1579 		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
1580 		WREG32_SOC15(VCN, i, regUVD_LMI_CTRL2, tmp);
1581 		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK |
1582 			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
1583 		r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_LMI_STATUS, tmp, tmp);
1584 		if (r)
1585 			return r;
1586 
1587 		/* block VCPU register access */
1588 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_RB_ARB_CTRL),
1589 				UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
1590 				~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
1591 
1592 		/* reset VCPU */
1593 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL),
1594 				UVD_VCPU_CNTL__BLK_RST_MASK,
1595 				~UVD_VCPU_CNTL__BLK_RST_MASK);
1596 
1597 		/* disable VCPU clock */
1598 		WREG32_P(SOC15_REG_OFFSET(VCN, i, regUVD_VCPU_CNTL), 0,
1599 				~(UVD_VCPU_CNTL__CLK_EN_MASK));
1600 
1601 		/* apply soft reset */
1602 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1603 		tmp |= UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK;
1604 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1605 		tmp = RREG32_SOC15(VCN, i, regUVD_SOFT_RESET);
1606 		tmp |= UVD_SOFT_RESET__LMI_SOFT_RESET_MASK;
1607 		WREG32_SOC15(VCN, i, regUVD_SOFT_RESET, tmp);
1608 
1609 		/* clear status */
1610 		WREG32_SOC15(VCN, i, regUVD_STATUS, 0);
1611 
1612 		/* apply HW clock gating */
1613 		vcn_v4_0_enable_clock_gating(adev, i);
1614 
1615 		/* enable VCN power gating */
1616 		vcn_v4_0_enable_static_power_gating(adev, i);
1617 	}
1618 
1619 	if (adev->pm.dpm_enabled)
1620 		amdgpu_dpm_enable_uvd(adev, false);
1621 
1622 	return 0;
1623 }
1624 
1625 /**
1626  * vcn_v4_0_pause_dpg_mode - VCN pause with dpg mode
1627  *
1628  * @adev: amdgpu_device pointer
1629  * @inst_idx: instance number index
1630  * @new_state: pause state
1631  *
1632  * Pause dpg mode for VCN block
1633  */
vcn_v4_0_pause_dpg_mode(struct amdgpu_device * adev,int inst_idx,struct dpg_pause_state * new_state)1634 static int vcn_v4_0_pause_dpg_mode(struct amdgpu_device *adev, int inst_idx,
1635       struct dpg_pause_state *new_state)
1636 {
1637 	uint32_t reg_data = 0;
1638 	int ret_code;
1639 
1640 	/* pause/unpause if state is changed */
1641 	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
1642 		DRM_DEV_DEBUG(adev->dev, "dpg pause state changed %d -> %d",
1643 			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
1644 		reg_data = RREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE) &
1645 			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1646 
1647 		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
1648 			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 0x1,
1649 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1650 
1651 			if (!ret_code) {
1652 				/* pause DPG */
1653 				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1654 				WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1655 
1656 				/* wait for ACK */
1657 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_DPG_PAUSE,
1658 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
1659 					UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
1660 
1661 				SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS,
1662 					UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
1663 			}
1664 		} else {
1665 			/* unpause dpg, no need to wait */
1666 			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
1667 			WREG32_SOC15(VCN, inst_idx, regUVD_DPG_PAUSE, reg_data);
1668 		}
1669 		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
1670 	}
1671 
1672 	return 0;
1673 }
1674 
1675 /**
1676  * vcn_v4_0_unified_ring_get_rptr - get unified read pointer
1677  *
1678  * @ring: amdgpu_ring pointer
1679  *
1680  * Returns the current hardware unified read pointer
1681  */
vcn_v4_0_unified_ring_get_rptr(struct amdgpu_ring * ring)1682 static uint64_t vcn_v4_0_unified_ring_get_rptr(struct amdgpu_ring *ring)
1683 {
1684 	struct amdgpu_device *adev = ring->adev;
1685 
1686 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1687 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1688 
1689 	return RREG32_SOC15(VCN, ring->me, regUVD_RB_RPTR);
1690 }
1691 
1692 /**
1693  * vcn_v4_0_unified_ring_get_wptr - get unified write pointer
1694  *
1695  * @ring: amdgpu_ring pointer
1696  *
1697  * Returns the current hardware unified write pointer
1698  */
vcn_v4_0_unified_ring_get_wptr(struct amdgpu_ring * ring)1699 static uint64_t vcn_v4_0_unified_ring_get_wptr(struct amdgpu_ring *ring)
1700 {
1701 	struct amdgpu_device *adev = ring->adev;
1702 
1703 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1704 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1705 
1706 	if (ring->use_doorbell)
1707 		return *ring->wptr_cpu_addr;
1708 	else
1709 		return RREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR);
1710 }
1711 
1712 /**
1713  * vcn_v4_0_unified_ring_set_wptr - set enc write pointer
1714  *
1715  * @ring: amdgpu_ring pointer
1716  *
1717  * Commits the enc write pointer to the hardware
1718  */
vcn_v4_0_unified_ring_set_wptr(struct amdgpu_ring * ring)1719 static void vcn_v4_0_unified_ring_set_wptr(struct amdgpu_ring *ring)
1720 {
1721 	struct amdgpu_device *adev = ring->adev;
1722 
1723 	if (ring != &adev->vcn.inst[ring->me].ring_enc[0])
1724 		DRM_ERROR("wrong ring id is identified in %s", __func__);
1725 
1726 	if (ring->use_doorbell) {
1727 		*ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
1728 		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
1729 	} else {
1730 		WREG32_SOC15(VCN, ring->me, regUVD_RB_WPTR, lower_32_bits(ring->wptr));
1731 	}
1732 }
1733 
vcn_v4_0_limit_sched(struct amdgpu_cs_parser * p,struct amdgpu_job * job)1734 static int vcn_v4_0_limit_sched(struct amdgpu_cs_parser *p,
1735 				struct amdgpu_job *job)
1736 {
1737 	struct drm_gpu_scheduler **scheds;
1738 
1739 	/* The create msg must be in the first IB submitted */
1740 	if (atomic_read(&job->base.entity->fence_seq))
1741 		return -EINVAL;
1742 
1743 	/* if VCN0 is harvested, we can't support AV1 */
1744 	if (p->adev->vcn.harvest_config & AMDGPU_VCN_HARVEST_VCN0)
1745 		return -EINVAL;
1746 
1747 	scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_ENC]
1748 		[AMDGPU_RING_PRIO_0].sched;
1749 	drm_sched_entity_modify_sched(job->base.entity, scheds, 1);
1750 	return 0;
1751 }
1752 
vcn_v4_0_dec_msg(struct amdgpu_cs_parser * p,struct amdgpu_job * job,uint64_t addr)1753 static int vcn_v4_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
1754 			    uint64_t addr)
1755 {
1756 	struct ttm_operation_ctx ctx = { false, false };
1757 	struct amdgpu_bo_va_mapping *map;
1758 	uint32_t *msg, num_buffers;
1759 	struct amdgpu_bo *bo;
1760 	uint64_t start, end;
1761 	unsigned int i;
1762 	void *ptr;
1763 	int r;
1764 
1765 	addr &= AMDGPU_GMC_HOLE_MASK;
1766 	r = amdgpu_cs_find_mapping(p, addr, &bo, &map);
1767 	if (r) {
1768 		DRM_ERROR("Can't find BO for addr 0x%08llx\n", addr);
1769 		return r;
1770 	}
1771 
1772 	start = map->start * AMDGPU_GPU_PAGE_SIZE;
1773 	end = (map->last + 1) * AMDGPU_GPU_PAGE_SIZE;
1774 	if (addr & 0x7) {
1775 		DRM_ERROR("VCN messages must be 8 byte aligned!\n");
1776 		return -EINVAL;
1777 	}
1778 
1779 	bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
1780 	amdgpu_bo_placement_from_domain(bo, bo->allowed_domains);
1781 	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
1782 	if (r) {
1783 		DRM_ERROR("Failed validating the VCN message BO (%d)!\n", r);
1784 		return r;
1785 	}
1786 
1787 	r = amdgpu_bo_kmap(bo, &ptr);
1788 	if (r) {
1789 		DRM_ERROR("Failed mapping the VCN message (%d)!\n", r);
1790 		return r;
1791 	}
1792 
1793 	msg = ptr + addr - start;
1794 
1795 	/* Check length */
1796 	if (msg[1] > end - addr) {
1797 		r = -EINVAL;
1798 		goto out;
1799 	}
1800 
1801 	if (msg[3] != RDECODE_MSG_CREATE)
1802 		goto out;
1803 
1804 	num_buffers = msg[2];
1805 	for (i = 0, msg = &msg[6]; i < num_buffers; ++i, msg += 4) {
1806 		uint32_t offset, size, *create;
1807 
1808 		if (msg[0] != RDECODE_MESSAGE_CREATE)
1809 			continue;
1810 
1811 		offset = msg[1];
1812 		size = msg[2];
1813 
1814 		if (offset + size > end) {
1815 			r = -EINVAL;
1816 			goto out;
1817 		}
1818 
1819 		create = ptr + addr + offset - start;
1820 
1821 		/* H264, HEVC and VP9 can run on any instance */
1822 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
1823 			continue;
1824 
1825 		r = vcn_v4_0_limit_sched(p, job);
1826 		if (r)
1827 			goto out;
1828 	}
1829 
1830 out:
1831 	amdgpu_bo_kunmap(bo);
1832 	return r;
1833 }
1834 
1835 #define RADEON_VCN_ENGINE_TYPE_ENCODE			(0x00000002)
1836 #define RADEON_VCN_ENGINE_TYPE_DECODE			(0x00000003)
1837 
1838 #define RADEON_VCN_ENGINE_INFO				(0x30000001)
1839 #define RADEON_VCN_ENGINE_INFO_MAX_OFFSET		16
1840 
1841 #define RENCODE_ENCODE_STANDARD_AV1			2
1842 #define RENCODE_IB_PARAM_SESSION_INIT			0x00000003
1843 #define RENCODE_IB_PARAM_SESSION_INIT_MAX_OFFSET	64
1844 
1845 /* return the offset in ib if id is found, -1 otherwise
1846  * to speed up the searching we only search upto max_offset
1847  */
vcn_v4_0_enc_find_ib_param(struct amdgpu_ib * ib,uint32_t id,int max_offset)1848 static int vcn_v4_0_enc_find_ib_param(struct amdgpu_ib *ib, uint32_t id, int max_offset)
1849 {
1850 	int i;
1851 
1852 	for (i = 0; i < ib->length_dw && i < max_offset && ib->ptr[i] >= 8; i += ib->ptr[i]/4) {
1853 		if (ib->ptr[i + 1] == id)
1854 			return i;
1855 	}
1856 	return -1;
1857 }
1858 
vcn_v4_0_ring_patch_cs_in_place(struct amdgpu_cs_parser * p,struct amdgpu_job * job,struct amdgpu_ib * ib)1859 static int vcn_v4_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
1860 					   struct amdgpu_job *job,
1861 					   struct amdgpu_ib *ib)
1862 {
1863 	struct amdgpu_ring *ring = amdgpu_job_ring(job);
1864 	struct amdgpu_vcn_decode_buffer *decode_buffer;
1865 	uint64_t addr;
1866 	uint32_t val;
1867 	int idx;
1868 
1869 	/* The first instance can decode anything */
1870 	if (!ring->me)
1871 		return 0;
1872 
1873 	/* RADEON_VCN_ENGINE_INFO is at the top of ib block */
1874 	idx = vcn_v4_0_enc_find_ib_param(ib, RADEON_VCN_ENGINE_INFO,
1875 			RADEON_VCN_ENGINE_INFO_MAX_OFFSET);
1876 	if (idx < 0) /* engine info is missing */
1877 		return 0;
1878 
1879 	val = amdgpu_ib_get_value(ib, idx + 2); /* RADEON_VCN_ENGINE_TYPE */
1880 	if (val == RADEON_VCN_ENGINE_TYPE_DECODE) {
1881 		decode_buffer = (struct amdgpu_vcn_decode_buffer *)&ib->ptr[idx + 6];
1882 
1883 		if (!(decode_buffer->valid_buf_flag  & 0x1))
1884 			return 0;
1885 
1886 		addr = ((u64)decode_buffer->msg_buffer_address_hi) << 32 |
1887 			decode_buffer->msg_buffer_address_lo;
1888 		return vcn_v4_0_dec_msg(p, job, addr);
1889 	} else if (val == RADEON_VCN_ENGINE_TYPE_ENCODE) {
1890 		idx = vcn_v4_0_enc_find_ib_param(ib, RENCODE_IB_PARAM_SESSION_INIT,
1891 			RENCODE_IB_PARAM_SESSION_INIT_MAX_OFFSET);
1892 		if (idx >= 0 && ib->ptr[idx + 2] == RENCODE_ENCODE_STANDARD_AV1)
1893 			return vcn_v4_0_limit_sched(p, job);
1894 	}
1895 	return 0;
1896 }
1897 
1898 static struct amdgpu_ring_funcs vcn_v4_0_unified_ring_vm_funcs = {
1899 	.type = AMDGPU_RING_TYPE_VCN_ENC,
1900 	.align_mask = 0x3f,
1901 	.nop = VCN_ENC_CMD_NO_OP,
1902 	.extra_dw = sizeof(struct amdgpu_vcn_rb_metadata),
1903 	.get_rptr = vcn_v4_0_unified_ring_get_rptr,
1904 	.get_wptr = vcn_v4_0_unified_ring_get_wptr,
1905 	.set_wptr = vcn_v4_0_unified_ring_set_wptr,
1906 	.patch_cs_in_place = vcn_v4_0_ring_patch_cs_in_place,
1907 	.emit_frame_size =
1908 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1909 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
1910 		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
1911 		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
1912 		1, /* vcn_v2_0_enc_ring_insert_end */
1913 	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
1914 	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
1915 	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
1916 	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
1917 	.test_ring = amdgpu_vcn_enc_ring_test_ring,
1918 	.test_ib = amdgpu_vcn_unified_ring_test_ib,
1919 	.insert_nop = amdgpu_ring_insert_nop,
1920 	.insert_end = vcn_v2_0_enc_ring_insert_end,
1921 	.pad_ib = amdgpu_ring_generic_pad_ib,
1922 	.begin_use = amdgpu_vcn_ring_begin_use,
1923 	.end_use = amdgpu_vcn_ring_end_use,
1924 	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
1925 	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
1926 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
1927 };
1928 
1929 /**
1930  * vcn_v4_0_set_unified_ring_funcs - set unified ring functions
1931  *
1932  * @adev: amdgpu_device pointer
1933  *
1934  * Set unified ring functions
1935  */
vcn_v4_0_set_unified_ring_funcs(struct amdgpu_device * adev)1936 static void vcn_v4_0_set_unified_ring_funcs(struct amdgpu_device *adev)
1937 {
1938 	int i;
1939 
1940 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1941 		if (adev->vcn.harvest_config & (1 << i))
1942 			continue;
1943 
1944 		if (amdgpu_ip_version(adev, VCN_HWIP, 0) == IP_VERSION(4, 0, 2))
1945 			vcn_v4_0_unified_ring_vm_funcs.secure_submission_supported = true;
1946 
1947 		adev->vcn.inst[i].ring_enc[0].funcs =
1948 		       (const struct amdgpu_ring_funcs *)&vcn_v4_0_unified_ring_vm_funcs;
1949 		adev->vcn.inst[i].ring_enc[0].me = i;
1950 	}
1951 }
1952 
1953 /**
1954  * vcn_v4_0_is_idle - check VCN block is idle
1955  *
1956  * @handle: amdgpu_device pointer
1957  *
1958  * Check whether VCN block is idle
1959  */
vcn_v4_0_is_idle(void * handle)1960 static bool vcn_v4_0_is_idle(void *handle)
1961 {
1962 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1963 	int i, ret = 1;
1964 
1965 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1966 		if (adev->vcn.harvest_config & (1 << i))
1967 			continue;
1968 
1969 		ret &= (RREG32_SOC15(VCN, i, regUVD_STATUS) == UVD_STATUS__IDLE);
1970 	}
1971 
1972 	return ret;
1973 }
1974 
1975 /**
1976  * vcn_v4_0_wait_for_idle - wait for VCN block idle
1977  *
1978  * @handle: amdgpu_device pointer
1979  *
1980  * Wait for VCN block idle
1981  */
vcn_v4_0_wait_for_idle(void * handle)1982 static int vcn_v4_0_wait_for_idle(void *handle)
1983 {
1984 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1985 	int i, ret = 0;
1986 
1987 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
1988 		if (adev->vcn.harvest_config & (1 << i))
1989 			continue;
1990 
1991 		ret = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE,
1992 			UVD_STATUS__IDLE);
1993 		if (ret)
1994 			return ret;
1995 	}
1996 
1997 	return ret;
1998 }
1999 
2000 /**
2001  * vcn_v4_0_set_clockgating_state - set VCN block clockgating state
2002  *
2003  * @handle: amdgpu_device pointer
2004  * @state: clock gating state
2005  *
2006  * Set VCN block clockgating state
2007  */
vcn_v4_0_set_clockgating_state(void * handle,enum amd_clockgating_state state)2008 static int vcn_v4_0_set_clockgating_state(void *handle, enum amd_clockgating_state state)
2009 {
2010 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2011 	bool enable = state == AMD_CG_STATE_GATE;
2012 	int i;
2013 
2014 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2015 		if (adev->vcn.harvest_config & (1 << i))
2016 			continue;
2017 
2018 		if (enable) {
2019 			if (RREG32_SOC15(VCN, i, regUVD_STATUS) != UVD_STATUS__IDLE)
2020 				return -EBUSY;
2021 			vcn_v4_0_enable_clock_gating(adev, i);
2022 		} else {
2023 			vcn_v4_0_disable_clock_gating(adev, i);
2024 		}
2025 	}
2026 
2027 	return 0;
2028 }
2029 
2030 /**
2031  * vcn_v4_0_set_powergating_state - set VCN block powergating state
2032  *
2033  * @handle: amdgpu_device pointer
2034  * @state: power gating state
2035  *
2036  * Set VCN block powergating state
2037  */
vcn_v4_0_set_powergating_state(void * handle,enum amd_powergating_state state)2038 static int vcn_v4_0_set_powergating_state(void *handle, enum amd_powergating_state state)
2039 {
2040 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2041 	int ret;
2042 
2043 	/* for SRIOV, guest should not control VCN Power-gating
2044 	 * MMSCH FW should control Power-gating and clock-gating
2045 	 * guest should avoid touching CGC and PG
2046 	 */
2047 	if (amdgpu_sriov_vf(adev)) {
2048 		adev->vcn.cur_state = AMD_PG_STATE_UNGATE;
2049 		return 0;
2050 	}
2051 
2052 	if (state == adev->vcn.cur_state)
2053 		return 0;
2054 
2055 	if (state == AMD_PG_STATE_GATE)
2056 		ret = vcn_v4_0_stop(adev);
2057 	else
2058 		ret = vcn_v4_0_start(adev);
2059 
2060 	if (!ret)
2061 		adev->vcn.cur_state = state;
2062 
2063 	return ret;
2064 }
2065 
2066 /**
2067  * vcn_v4_0_set_ras_interrupt_state - set VCN block RAS interrupt state
2068  *
2069  * @adev: amdgpu_device pointer
2070  * @source: interrupt sources
2071  * @type: interrupt types
2072  * @state: interrupt states
2073  *
2074  * Set VCN block RAS interrupt state
2075  */
vcn_v4_0_set_ras_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned int type,enum amdgpu_interrupt_state state)2076 static int vcn_v4_0_set_ras_interrupt_state(struct amdgpu_device *adev,
2077 	struct amdgpu_irq_src *source,
2078 	unsigned int type,
2079 	enum amdgpu_interrupt_state state)
2080 {
2081 	return 0;
2082 }
2083 
2084 /**
2085  * vcn_v4_0_process_interrupt - process VCN block interrupt
2086  *
2087  * @adev: amdgpu_device pointer
2088  * @source: interrupt sources
2089  * @entry: interrupt entry from clients and sources
2090  *
2091  * Process VCN block interrupt
2092  */
vcn_v4_0_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)2093 static int vcn_v4_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
2094       struct amdgpu_iv_entry *entry)
2095 {
2096 	uint32_t ip_instance;
2097 
2098 	if (amdgpu_sriov_is_vcn_rb_decouple(adev)) {
2099 		ip_instance = entry->ring_id;
2100 	} else {
2101 		switch (entry->client_id) {
2102 		case SOC15_IH_CLIENTID_VCN:
2103 			ip_instance = 0;
2104 			break;
2105 		case SOC15_IH_CLIENTID_VCN1:
2106 			ip_instance = 1;
2107 			break;
2108 		default:
2109 			DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
2110 			return 0;
2111 		}
2112 	}
2113 
2114 	DRM_DEBUG("IH: VCN TRAP\n");
2115 
2116 	switch (entry->src_id) {
2117 	case VCN_4_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
2118 		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
2119 		break;
2120 	default:
2121 		DRM_ERROR("Unhandled interrupt: %d %d\n",
2122 			  entry->src_id, entry->src_data[0]);
2123 		break;
2124 	}
2125 
2126 	return 0;
2127 }
2128 
2129 static const struct amdgpu_irq_src_funcs vcn_v4_0_irq_funcs = {
2130 	.process = vcn_v4_0_process_interrupt,
2131 };
2132 
2133 static const struct amdgpu_irq_src_funcs vcn_v4_0_ras_irq_funcs = {
2134 	.set = vcn_v4_0_set_ras_interrupt_state,
2135 	.process = amdgpu_vcn_process_poison_irq,
2136 };
2137 
2138 /**
2139  * vcn_v4_0_set_irq_funcs - set VCN block interrupt irq functions
2140  *
2141  * @adev: amdgpu_device pointer
2142  *
2143  * Set VCN block interrupt irq functions
2144  */
vcn_v4_0_set_irq_funcs(struct amdgpu_device * adev)2145 static void vcn_v4_0_set_irq_funcs(struct amdgpu_device *adev)
2146 {
2147 	int i;
2148 
2149 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
2150 		if (adev->vcn.harvest_config & (1 << i))
2151 			continue;
2152 
2153 		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
2154 		adev->vcn.inst[i].irq.funcs = &vcn_v4_0_irq_funcs;
2155 
2156 		adev->vcn.inst[i].ras_poison_irq.num_types = adev->vcn.num_enc_rings + 1;
2157 		adev->vcn.inst[i].ras_poison_irq.funcs = &vcn_v4_0_ras_irq_funcs;
2158 	}
2159 }
2160 
vcn_v4_0_print_ip_state(void * handle,struct drm_printer * p)2161 static void vcn_v4_0_print_ip_state(void *handle, struct drm_printer *p)
2162 {
2163 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2164 	int i, j;
2165 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_4_0);
2166 	uint32_t inst_off, is_powered;
2167 
2168 	if (!adev->vcn.ip_dump)
2169 		return;
2170 
2171 	drm_printf(p, "num_instances:%d\n", adev->vcn.num_vcn_inst);
2172 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
2173 		if (adev->vcn.harvest_config & (1 << i)) {
2174 			drm_printf(p, "\nHarvested Instance:VCN%d Skipping dump\n", i);
2175 			continue;
2176 		}
2177 
2178 		inst_off = i * reg_count;
2179 		is_powered = (adev->vcn.ip_dump[inst_off] &
2180 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
2181 
2182 		if (is_powered) {
2183 			drm_printf(p, "\nActive Instance:VCN%d\n", i);
2184 			for (j = 0; j < reg_count; j++)
2185 				drm_printf(p, "%-50s \t 0x%08x\n", vcn_reg_list_4_0[j].reg_name,
2186 					   adev->vcn.ip_dump[inst_off + j]);
2187 		} else {
2188 			drm_printf(p, "\nInactive Instance:VCN%d\n", i);
2189 		}
2190 	}
2191 }
2192 
vcn_v4_0_dump_ip_state(void * handle)2193 static void vcn_v4_0_dump_ip_state(void *handle)
2194 {
2195 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2196 	int i, j;
2197 	bool is_powered;
2198 	uint32_t inst_off;
2199 	uint32_t reg_count = ARRAY_SIZE(vcn_reg_list_4_0);
2200 
2201 	if (!adev->vcn.ip_dump)
2202 		return;
2203 
2204 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
2205 		if (adev->vcn.harvest_config & (1 << i))
2206 			continue;
2207 
2208 		inst_off = i * reg_count;
2209 		/* mmUVD_POWER_STATUS is always readable and is first element of the array */
2210 		adev->vcn.ip_dump[inst_off] = RREG32_SOC15(VCN, i, regUVD_POWER_STATUS);
2211 		is_powered = (adev->vcn.ip_dump[inst_off] &
2212 				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK) != 1;
2213 
2214 		if (is_powered)
2215 			for (j = 1; j < reg_count; j++)
2216 				adev->vcn.ip_dump[inst_off + j] =
2217 					RREG32(SOC15_REG_ENTRY_OFFSET_INST(vcn_reg_list_4_0[j],
2218 									   i));
2219 	}
2220 }
2221 
2222 static const struct amd_ip_funcs vcn_v4_0_ip_funcs = {
2223 	.name = "vcn_v4_0",
2224 	.early_init = vcn_v4_0_early_init,
2225 	.late_init = NULL,
2226 	.sw_init = vcn_v4_0_sw_init,
2227 	.sw_fini = vcn_v4_0_sw_fini,
2228 	.hw_init = vcn_v4_0_hw_init,
2229 	.hw_fini = vcn_v4_0_hw_fini,
2230 	.suspend = vcn_v4_0_suspend,
2231 	.resume = vcn_v4_0_resume,
2232 	.is_idle = vcn_v4_0_is_idle,
2233 	.wait_for_idle = vcn_v4_0_wait_for_idle,
2234 	.check_soft_reset = NULL,
2235 	.pre_soft_reset = NULL,
2236 	.soft_reset = NULL,
2237 	.post_soft_reset = NULL,
2238 	.set_clockgating_state = vcn_v4_0_set_clockgating_state,
2239 	.set_powergating_state = vcn_v4_0_set_powergating_state,
2240 	.dump_ip_state = vcn_v4_0_dump_ip_state,
2241 	.print_ip_state = vcn_v4_0_print_ip_state,
2242 };
2243 
2244 const struct amdgpu_ip_block_version vcn_v4_0_ip_block = {
2245 	.type = AMD_IP_BLOCK_TYPE_VCN,
2246 	.major = 4,
2247 	.minor = 0,
2248 	.rev = 0,
2249 	.funcs = &vcn_v4_0_ip_funcs,
2250 };
2251 
vcn_v4_0_query_poison_by_instance(struct amdgpu_device * adev,uint32_t instance,uint32_t sub_block)2252 static uint32_t vcn_v4_0_query_poison_by_instance(struct amdgpu_device *adev,
2253 			uint32_t instance, uint32_t sub_block)
2254 {
2255 	uint32_t poison_stat = 0, reg_value = 0;
2256 
2257 	switch (sub_block) {
2258 	case AMDGPU_VCN_V4_0_VCPU_VCODEC:
2259 		reg_value = RREG32_SOC15(VCN, instance, regUVD_RAS_VCPU_VCODEC_STATUS);
2260 		poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_VCPU_VCODEC_STATUS, POISONED_PF);
2261 		break;
2262 	default:
2263 		break;
2264 	}
2265 
2266 	if (poison_stat)
2267 		dev_info(adev->dev, "Poison detected in VCN%d, sub_block%d\n",
2268 			instance, sub_block);
2269 
2270 	return poison_stat;
2271 }
2272 
vcn_v4_0_query_ras_poison_status(struct amdgpu_device * adev)2273 static bool vcn_v4_0_query_ras_poison_status(struct amdgpu_device *adev)
2274 {
2275 	uint32_t inst, sub;
2276 	uint32_t poison_stat = 0;
2277 
2278 	for (inst = 0; inst < adev->vcn.num_vcn_inst; inst++)
2279 		for (sub = 0; sub < AMDGPU_VCN_V4_0_MAX_SUB_BLOCK; sub++)
2280 			poison_stat +=
2281 				vcn_v4_0_query_poison_by_instance(adev, inst, sub);
2282 
2283 	return !!poison_stat;
2284 }
2285 
2286 const struct amdgpu_ras_block_hw_ops vcn_v4_0_ras_hw_ops = {
2287 	.query_poison_status = vcn_v4_0_query_ras_poison_status,
2288 };
2289 
2290 static struct amdgpu_vcn_ras vcn_v4_0_ras = {
2291 	.ras_block = {
2292 		.hw_ops = &vcn_v4_0_ras_hw_ops,
2293 		.ras_late_init = amdgpu_vcn_ras_late_init,
2294 	},
2295 };
2296 
vcn_v4_0_set_ras_funcs(struct amdgpu_device * adev)2297 static void vcn_v4_0_set_ras_funcs(struct amdgpu_device *adev)
2298 {
2299 	switch (amdgpu_ip_version(adev, VCN_HWIP, 0)) {
2300 	case IP_VERSION(4, 0, 0):
2301 		adev->vcn.ras = &vcn_v4_0_ras;
2302 		break;
2303 	default:
2304 		break;
2305 	}
2306 }
2307