xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c (revision a61c16258a4720065972cf04fcfee1caa6ea5fc0)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 
29 #include "amdgpu.h"
30 #include <drm/amdgpu_drm.h>
31 #include <drm/drm_drv.h>
32 #include <drm/drm_fb_helper.h>
33 #include "amdgpu_uvd.h"
34 #include "amdgpu_vce.h"
35 #include "atom.h"
36 
37 #include <linux/vga_switcheroo.h>
38 #include <linux/slab.h>
39 #include <linux/uaccess.h>
40 #include <linux/pci.h>
41 #include <linux/pm_runtime.h>
42 #include "amdgpu_amdkfd.h"
43 #include "amdgpu_gem.h"
44 #include "amdgpu_display.h"
45 #include "amdgpu_ras.h"
46 #include "amdgpu_reset.h"
47 #include "amd_pcie.h"
48 #include "amdgpu_userqueue.h"
49 
50 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
51 {
52 	struct amdgpu_gpu_instance *gpu_instance;
53 	int i;
54 
55 	mutex_lock(&mgpu_info.mutex);
56 
57 	for (i = 0; i < mgpu_info.num_gpu; i++) {
58 		gpu_instance = &(mgpu_info.gpu_ins[i]);
59 		if (gpu_instance->adev == adev) {
60 			mgpu_info.gpu_ins[i] =
61 				mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
62 			mgpu_info.num_gpu--;
63 			if (adev->flags & AMD_IS_APU)
64 				mgpu_info.num_apu--;
65 			else
66 				mgpu_info.num_dgpu--;
67 			break;
68 		}
69 	}
70 
71 	mutex_unlock(&mgpu_info.mutex);
72 }
73 
74 /**
75  * amdgpu_driver_unload_kms - Main unload function for KMS.
76  *
77  * @dev: drm dev pointer
78  *
79  * This is the main unload function for KMS (all asics).
80  * Returns 0 on success.
81  */
82 void amdgpu_driver_unload_kms(struct drm_device *dev)
83 {
84 	struct amdgpu_device *adev = drm_to_adev(dev);
85 
86 	if (adev == NULL)
87 		return;
88 
89 	amdgpu_unregister_gpu_instance(adev);
90 
91 	if (adev->rmmio == NULL)
92 		return;
93 
94 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
95 		DRM_WARN("smart shift update failed\n");
96 
97 	amdgpu_acpi_fini(adev);
98 	amdgpu_device_fini_hw(adev);
99 }
100 
101 void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
102 {
103 	struct amdgpu_gpu_instance *gpu_instance;
104 
105 	mutex_lock(&mgpu_info.mutex);
106 
107 	if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
108 		DRM_ERROR("Cannot register more gpu instance\n");
109 		mutex_unlock(&mgpu_info.mutex);
110 		return;
111 	}
112 
113 	gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
114 	gpu_instance->adev = adev;
115 	gpu_instance->mgpu_fan_enabled = 0;
116 
117 	mgpu_info.num_gpu++;
118 	if (adev->flags & AMD_IS_APU)
119 		mgpu_info.num_apu++;
120 	else
121 		mgpu_info.num_dgpu++;
122 
123 	mutex_unlock(&mgpu_info.mutex);
124 }
125 
126 /**
127  * amdgpu_driver_load_kms - Main load function for KMS.
128  *
129  * @adev: pointer to struct amdgpu_device
130  * @flags: device flags
131  *
132  * This is the main load function for KMS (all asics).
133  * Returns 0 on success, error on failure.
134  */
135 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
136 {
137 	struct drm_device *dev;
138 	int r, acpi_status;
139 
140 	dev = adev_to_drm(adev);
141 
142 	/* amdgpu_device_init should report only fatal error
143 	 * like memory allocation failure or iomapping failure,
144 	 * or memory manager initialization failure, it must
145 	 * properly initialize the GPU MC controller and permit
146 	 * VRAM allocation
147 	 */
148 	r = amdgpu_device_init(adev, flags);
149 	if (r) {
150 		dev_err(dev->dev, "Fatal error during GPU init\n");
151 		goto out;
152 	}
153 
154 	amdgpu_device_detect_runtime_pm_mode(adev);
155 
156 	/* Call ACPI methods: require modeset init
157 	 * but failure is not fatal
158 	 */
159 
160 	acpi_status = amdgpu_acpi_init(adev);
161 	if (acpi_status)
162 		dev_dbg(dev->dev, "Error during ACPI methods call\n");
163 
164 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
165 		DRM_WARN("smart shift update failed\n");
166 
167 out:
168 	if (r)
169 		amdgpu_driver_unload_kms(dev);
170 
171 	return r;
172 }
173 
174 static enum amd_ip_block_type
175 	amdgpu_ip_get_block_type(struct amdgpu_device *adev, uint32_t ip)
176 {
177 	enum amd_ip_block_type type;
178 
179 	switch (ip) {
180 	case AMDGPU_HW_IP_GFX:
181 		type = AMD_IP_BLOCK_TYPE_GFX;
182 		break;
183 	case AMDGPU_HW_IP_COMPUTE:
184 		type = AMD_IP_BLOCK_TYPE_GFX;
185 		break;
186 	case AMDGPU_HW_IP_DMA:
187 		type = AMD_IP_BLOCK_TYPE_SDMA;
188 		break;
189 	case AMDGPU_HW_IP_UVD:
190 	case AMDGPU_HW_IP_UVD_ENC:
191 		type = AMD_IP_BLOCK_TYPE_UVD;
192 		break;
193 	case AMDGPU_HW_IP_VCE:
194 		type = AMD_IP_BLOCK_TYPE_VCE;
195 		break;
196 	case AMDGPU_HW_IP_VCN_DEC:
197 	case AMDGPU_HW_IP_VCN_ENC:
198 		type = AMD_IP_BLOCK_TYPE_VCN;
199 		break;
200 	case AMDGPU_HW_IP_VCN_JPEG:
201 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
202 				   AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
203 		break;
204 	default:
205 		type = AMD_IP_BLOCK_TYPE_NUM;
206 		break;
207 	}
208 
209 	return type;
210 }
211 
212 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
213 				struct drm_amdgpu_query_fw *query_fw,
214 				struct amdgpu_device *adev)
215 {
216 	switch (query_fw->fw_type) {
217 	case AMDGPU_INFO_FW_VCE:
218 		fw_info->ver = adev->vce.fw_version;
219 		fw_info->feature = adev->vce.fb_version;
220 		break;
221 	case AMDGPU_INFO_FW_UVD:
222 		fw_info->ver = adev->uvd.fw_version;
223 		fw_info->feature = 0;
224 		break;
225 	case AMDGPU_INFO_FW_VCN:
226 		fw_info->ver = adev->vcn.fw_version;
227 		fw_info->feature = 0;
228 		break;
229 	case AMDGPU_INFO_FW_GMC:
230 		fw_info->ver = adev->gmc.fw_version;
231 		fw_info->feature = 0;
232 		break;
233 	case AMDGPU_INFO_FW_GFX_ME:
234 		fw_info->ver = adev->gfx.me_fw_version;
235 		fw_info->feature = adev->gfx.me_feature_version;
236 		break;
237 	case AMDGPU_INFO_FW_GFX_PFP:
238 		fw_info->ver = adev->gfx.pfp_fw_version;
239 		fw_info->feature = adev->gfx.pfp_feature_version;
240 		break;
241 	case AMDGPU_INFO_FW_GFX_CE:
242 		fw_info->ver = adev->gfx.ce_fw_version;
243 		fw_info->feature = adev->gfx.ce_feature_version;
244 		break;
245 	case AMDGPU_INFO_FW_GFX_RLC:
246 		fw_info->ver = adev->gfx.rlc_fw_version;
247 		fw_info->feature = adev->gfx.rlc_feature_version;
248 		break;
249 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
250 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
251 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
252 		break;
253 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
254 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
255 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
256 		break;
257 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
258 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
259 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
260 		break;
261 	case AMDGPU_INFO_FW_GFX_RLCP:
262 		fw_info->ver = adev->gfx.rlcp_ucode_version;
263 		fw_info->feature = adev->gfx.rlcp_ucode_feature_version;
264 		break;
265 	case AMDGPU_INFO_FW_GFX_RLCV:
266 		fw_info->ver = adev->gfx.rlcv_ucode_version;
267 		fw_info->feature = adev->gfx.rlcv_ucode_feature_version;
268 		break;
269 	case AMDGPU_INFO_FW_GFX_MEC:
270 		if (query_fw->index == 0) {
271 			fw_info->ver = adev->gfx.mec_fw_version;
272 			fw_info->feature = adev->gfx.mec_feature_version;
273 		} else if (query_fw->index == 1) {
274 			fw_info->ver = adev->gfx.mec2_fw_version;
275 			fw_info->feature = adev->gfx.mec2_feature_version;
276 		} else
277 			return -EINVAL;
278 		break;
279 	case AMDGPU_INFO_FW_SMC:
280 		fw_info->ver = adev->pm.fw_version;
281 		fw_info->feature = 0;
282 		break;
283 	case AMDGPU_INFO_FW_TA:
284 		switch (query_fw->index) {
285 		case TA_FW_TYPE_PSP_XGMI:
286 			fw_info->ver = adev->psp.xgmi_context.context.bin_desc.fw_version;
287 			fw_info->feature = adev->psp.xgmi_context.context
288 						   .bin_desc.feature_version;
289 			break;
290 		case TA_FW_TYPE_PSP_RAS:
291 			fw_info->ver = adev->psp.ras_context.context.bin_desc.fw_version;
292 			fw_info->feature = adev->psp.ras_context.context
293 						   .bin_desc.feature_version;
294 			break;
295 		case TA_FW_TYPE_PSP_HDCP:
296 			fw_info->ver = adev->psp.hdcp_context.context.bin_desc.fw_version;
297 			fw_info->feature = adev->psp.hdcp_context.context
298 						   .bin_desc.feature_version;
299 			break;
300 		case TA_FW_TYPE_PSP_DTM:
301 			fw_info->ver = adev->psp.dtm_context.context.bin_desc.fw_version;
302 			fw_info->feature = adev->psp.dtm_context.context
303 						   .bin_desc.feature_version;
304 			break;
305 		case TA_FW_TYPE_PSP_RAP:
306 			fw_info->ver = adev->psp.rap_context.context.bin_desc.fw_version;
307 			fw_info->feature = adev->psp.rap_context.context
308 						   .bin_desc.feature_version;
309 			break;
310 		case TA_FW_TYPE_PSP_SECUREDISPLAY:
311 			fw_info->ver = adev->psp.securedisplay_context.context.bin_desc.fw_version;
312 			fw_info->feature =
313 				adev->psp.securedisplay_context.context.bin_desc
314 					.feature_version;
315 			break;
316 		default:
317 			return -EINVAL;
318 		}
319 		break;
320 	case AMDGPU_INFO_FW_SDMA:
321 		if (query_fw->index >= adev->sdma.num_instances)
322 			return -EINVAL;
323 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
324 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
325 		break;
326 	case AMDGPU_INFO_FW_SOS:
327 		fw_info->ver = adev->psp.sos.fw_version;
328 		fw_info->feature = adev->psp.sos.feature_version;
329 		break;
330 	case AMDGPU_INFO_FW_ASD:
331 		fw_info->ver = adev->psp.asd_context.bin_desc.fw_version;
332 		fw_info->feature = adev->psp.asd_context.bin_desc.feature_version;
333 		break;
334 	case AMDGPU_INFO_FW_DMCU:
335 		fw_info->ver = adev->dm.dmcu_fw_version;
336 		fw_info->feature = 0;
337 		break;
338 	case AMDGPU_INFO_FW_DMCUB:
339 		fw_info->ver = adev->dm.dmcub_fw_version;
340 		fw_info->feature = 0;
341 		break;
342 	case AMDGPU_INFO_FW_TOC:
343 		fw_info->ver = adev->psp.toc.fw_version;
344 		fw_info->feature = adev->psp.toc.feature_version;
345 		break;
346 	case AMDGPU_INFO_FW_CAP:
347 		fw_info->ver = adev->psp.cap_fw_version;
348 		fw_info->feature = adev->psp.cap_feature_version;
349 		break;
350 	case AMDGPU_INFO_FW_MES_KIQ:
351 		fw_info->ver = adev->mes.kiq_version & AMDGPU_MES_VERSION_MASK;
352 		fw_info->feature = (adev->mes.kiq_version & AMDGPU_MES_FEAT_VERSION_MASK)
353 					>> AMDGPU_MES_FEAT_VERSION_SHIFT;
354 		break;
355 	case AMDGPU_INFO_FW_MES:
356 		fw_info->ver = adev->mes.sched_version & AMDGPU_MES_VERSION_MASK;
357 		fw_info->feature = (adev->mes.sched_version & AMDGPU_MES_FEAT_VERSION_MASK)
358 					>> AMDGPU_MES_FEAT_VERSION_SHIFT;
359 		break;
360 	case AMDGPU_INFO_FW_IMU:
361 		fw_info->ver = adev->gfx.imu_fw_version;
362 		fw_info->feature = 0;
363 		break;
364 	case AMDGPU_INFO_FW_VPE:
365 		fw_info->ver = adev->vpe.fw_version;
366 		fw_info->feature = adev->vpe.feature_version;
367 		break;
368 	default:
369 		return -EINVAL;
370 	}
371 	return 0;
372 }
373 
374 static int amdgpu_userq_metadata_info_gfx(struct amdgpu_device *adev,
375 					  struct drm_amdgpu_info *info,
376 					  struct drm_amdgpu_info_uq_metadata_gfx *meta)
377 {
378 	int ret = -EOPNOTSUPP;
379 
380 	if (adev->gfx.funcs->get_gfx_shadow_info) {
381 		struct amdgpu_gfx_shadow_info shadow = {};
382 
383 		adev->gfx.funcs->get_gfx_shadow_info(adev, &shadow, true);
384 		meta->shadow_size = shadow.shadow_size;
385 		meta->shadow_alignment = shadow.shadow_alignment;
386 		meta->csa_size = shadow.csa_size;
387 		meta->csa_alignment = shadow.csa_alignment;
388 		ret = 0;
389 	}
390 
391 	return ret;
392 }
393 
394 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
395 			     struct drm_amdgpu_info *info,
396 			     struct drm_amdgpu_info_hw_ip *result)
397 {
398 	uint32_t ib_start_alignment = 0;
399 	uint32_t ib_size_alignment = 0;
400 	enum amd_ip_block_type type;
401 	unsigned int num_rings = 0;
402 	unsigned int i, j;
403 
404 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
405 		return -EINVAL;
406 
407 	switch (info->query_hw_ip.type) {
408 	case AMDGPU_HW_IP_GFX:
409 		type = AMD_IP_BLOCK_TYPE_GFX;
410 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
411 			if (adev->gfx.gfx_ring[i].sched.ready &&
412 			    !adev->gfx.gfx_ring[i].no_user_submission)
413 				++num_rings;
414 		ib_start_alignment = 32;
415 		ib_size_alignment = 32;
416 		break;
417 	case AMDGPU_HW_IP_COMPUTE:
418 		type = AMD_IP_BLOCK_TYPE_GFX;
419 		for (i = 0; i < adev->gfx.num_compute_rings; i++)
420 			if (adev->gfx.compute_ring[i].sched.ready &&
421 			    !adev->gfx.compute_ring[i].no_user_submission)
422 				++num_rings;
423 		ib_start_alignment = 32;
424 		ib_size_alignment = 32;
425 		break;
426 	case AMDGPU_HW_IP_DMA:
427 		type = AMD_IP_BLOCK_TYPE_SDMA;
428 		for (i = 0; i < adev->sdma.num_instances; i++)
429 			if (adev->sdma.instance[i].ring.sched.ready &&
430 			    !adev->gfx.gfx_ring[i].no_user_submission)
431 				++num_rings;
432 		ib_start_alignment = 256;
433 		ib_size_alignment = 4;
434 		break;
435 	case AMDGPU_HW_IP_UVD:
436 		type = AMD_IP_BLOCK_TYPE_UVD;
437 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
438 			if (adev->uvd.harvest_config & (1 << i))
439 				continue;
440 
441 			if (adev->uvd.inst[i].ring.sched.ready &&
442 			    !adev->uvd.inst[i].ring.no_user_submission)
443 				++num_rings;
444 		}
445 		ib_start_alignment = 256;
446 		ib_size_alignment = 64;
447 		break;
448 	case AMDGPU_HW_IP_VCE:
449 		type = AMD_IP_BLOCK_TYPE_VCE;
450 		for (i = 0; i < adev->vce.num_rings; i++)
451 			if (adev->vce.ring[i].sched.ready &&
452 			    !adev->vce.ring[i].no_user_submission)
453 				++num_rings;
454 		ib_start_alignment = 256;
455 		ib_size_alignment = 4;
456 		break;
457 	case AMDGPU_HW_IP_UVD_ENC:
458 		type = AMD_IP_BLOCK_TYPE_UVD;
459 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
460 			if (adev->uvd.harvest_config & (1 << i))
461 				continue;
462 
463 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
464 				if (adev->uvd.inst[i].ring_enc[j].sched.ready &&
465 				    !adev->uvd.inst[i].ring_enc[j].no_user_submission)
466 					++num_rings;
467 		}
468 		ib_start_alignment = 256;
469 		ib_size_alignment = 4;
470 		break;
471 	case AMDGPU_HW_IP_VCN_DEC:
472 		type = AMD_IP_BLOCK_TYPE_VCN;
473 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
474 			if (adev->vcn.harvest_config & (1 << i))
475 				continue;
476 
477 			if (adev->vcn.inst[i].ring_dec.sched.ready &&
478 			    !adev->vcn.inst[i].ring_dec.no_user_submission)
479 				++num_rings;
480 		}
481 		ib_start_alignment = 256;
482 		ib_size_alignment = 64;
483 		break;
484 	case AMDGPU_HW_IP_VCN_ENC:
485 		type = AMD_IP_BLOCK_TYPE_VCN;
486 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
487 			if (adev->vcn.harvest_config & (1 << i))
488 				continue;
489 
490 			for (j = 0; j < adev->vcn.inst[i].num_enc_rings; j++)
491 				if (adev->vcn.inst[i].ring_enc[j].sched.ready &&
492 				    !adev->vcn.inst[i].ring_enc[j].no_user_submission)
493 					++num_rings;
494 		}
495 		ib_start_alignment = 256;
496 		ib_size_alignment = 4;
497 		break;
498 	case AMDGPU_HW_IP_VCN_JPEG:
499 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
500 			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
501 
502 		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
503 			if (adev->jpeg.harvest_config & (1 << i))
504 				continue;
505 
506 			for (j = 0; j < adev->jpeg.num_jpeg_rings; j++)
507 				if (adev->jpeg.inst[i].ring_dec[j].sched.ready &&
508 				    !adev->jpeg.inst[i].ring_dec[j].no_user_submission)
509 					++num_rings;
510 		}
511 		ib_start_alignment = 256;
512 		ib_size_alignment = 64;
513 		break;
514 	case AMDGPU_HW_IP_VPE:
515 		type = AMD_IP_BLOCK_TYPE_VPE;
516 		if (adev->vpe.ring.sched.ready &&
517 		    !adev->vpe.ring.no_user_submission)
518 			++num_rings;
519 		ib_start_alignment = 256;
520 		ib_size_alignment = 4;
521 		break;
522 	default:
523 		return -EINVAL;
524 	}
525 
526 	for (i = 0; i < adev->num_ip_blocks; i++)
527 		if (adev->ip_blocks[i].version->type == type &&
528 		    adev->ip_blocks[i].status.valid)
529 			break;
530 
531 	if (i == adev->num_ip_blocks)
532 		return 0;
533 
534 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
535 			num_rings);
536 
537 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
538 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
539 
540 	if (adev->asic_type >= CHIP_VEGA10) {
541 		switch (type) {
542 		case AMD_IP_BLOCK_TYPE_GFX:
543 			result->ip_discovery_version =
544 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, GC_HWIP, 0));
545 			break;
546 		case AMD_IP_BLOCK_TYPE_SDMA:
547 			result->ip_discovery_version =
548 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, SDMA0_HWIP, 0));
549 			break;
550 		case AMD_IP_BLOCK_TYPE_UVD:
551 		case AMD_IP_BLOCK_TYPE_VCN:
552 		case AMD_IP_BLOCK_TYPE_JPEG:
553 			result->ip_discovery_version =
554 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, UVD_HWIP, 0));
555 			break;
556 		case AMD_IP_BLOCK_TYPE_VCE:
557 			result->ip_discovery_version =
558 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VCE_HWIP, 0));
559 			break;
560 		case AMD_IP_BLOCK_TYPE_VPE:
561 			result->ip_discovery_version =
562 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VPE_HWIP, 0));
563 			break;
564 		default:
565 			result->ip_discovery_version = 0;
566 			break;
567 		}
568 	} else {
569 		result->ip_discovery_version = 0;
570 	}
571 	result->capabilities_flags = 0;
572 	result->available_rings = (1 << num_rings) - 1;
573 	result->ib_start_alignment = ib_start_alignment;
574 	result->ib_size_alignment = ib_size_alignment;
575 	return 0;
576 }
577 
578 /*
579  * Userspace get information ioctl
580  */
581 /**
582  * amdgpu_info_ioctl - answer a device specific request.
583  *
584  * @dev: drm device pointer
585  * @data: request object
586  * @filp: drm filp
587  *
588  * This function is used to pass device specific parameters to the userspace
589  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
590  * etc. (all asics).
591  * Returns 0 on success, -EINVAL on failure.
592  */
593 int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
594 {
595 	struct amdgpu_device *adev = drm_to_adev(dev);
596 	struct drm_amdgpu_info *info = data;
597 	struct amdgpu_mode_info *minfo = &adev->mode_info;
598 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
599 	struct amdgpu_fpriv *fpriv;
600 	struct amdgpu_ip_block *ip_block;
601 	enum amd_ip_block_type type;
602 	struct amdgpu_xcp *xcp;
603 	u32 count, inst_mask;
604 	uint32_t size = info->return_size;
605 	struct drm_crtc *crtc;
606 	uint32_t ui32 = 0;
607 	uint64_t ui64 = 0;
608 	int i, found, ret;
609 	int ui32_size = sizeof(ui32);
610 
611 	if (!info->return_size || !info->return_pointer)
612 		return -EINVAL;
613 
614 	switch (info->query) {
615 	case AMDGPU_INFO_ACCEL_WORKING:
616 		ui32 = adev->accel_working;
617 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
618 	case AMDGPU_INFO_CRTC_FROM_ID:
619 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
620 			crtc = (struct drm_crtc *)minfo->crtcs[i];
621 			if (crtc && crtc->base.id == info->mode_crtc.id) {
622 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
623 
624 				ui32 = amdgpu_crtc->crtc_id;
625 				found = 1;
626 				break;
627 			}
628 		}
629 		if (!found) {
630 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
631 			return -EINVAL;
632 		}
633 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
634 	case AMDGPU_INFO_HW_IP_INFO: {
635 		struct drm_amdgpu_info_hw_ip ip = {};
636 
637 		ret = amdgpu_hw_ip_info(adev, info, &ip);
638 		if (ret)
639 			return ret;
640 
641 		ret = copy_to_user(out, &ip, min_t(size_t, size, sizeof(ip)));
642 		return ret ? -EFAULT : 0;
643 	}
644 	case AMDGPU_INFO_HW_IP_COUNT: {
645 		fpriv = (struct amdgpu_fpriv *)filp->driver_priv;
646 		type = amdgpu_ip_get_block_type(adev, info->query_hw_ip.type);
647 		ip_block = amdgpu_device_ip_get_ip_block(adev, type);
648 
649 		if (!ip_block || !ip_block->status.valid)
650 			return -EINVAL;
651 
652 		if (adev->xcp_mgr && adev->xcp_mgr->num_xcps > 0 &&
653 		    fpriv->xcp_id < adev->xcp_mgr->num_xcps) {
654 			xcp = &adev->xcp_mgr->xcp[fpriv->xcp_id];
655 			switch (type) {
656 			case AMD_IP_BLOCK_TYPE_GFX:
657 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_GFX, &inst_mask);
658 				if (ret)
659 					return ret;
660 				count = hweight32(inst_mask);
661 				break;
662 			case AMD_IP_BLOCK_TYPE_SDMA:
663 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_SDMA, &inst_mask);
664 				if (ret)
665 					return ret;
666 				count = hweight32(inst_mask);
667 				break;
668 			case AMD_IP_BLOCK_TYPE_JPEG:
669 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
670 				if (ret)
671 					return ret;
672 				count = hweight32(inst_mask) * adev->jpeg.num_jpeg_rings;
673 				break;
674 			case AMD_IP_BLOCK_TYPE_VCN:
675 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
676 				if (ret)
677 					return ret;
678 				count = hweight32(inst_mask);
679 				break;
680 			default:
681 				return -EINVAL;
682 			}
683 
684 			return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
685 		}
686 
687 		switch (type) {
688 		case AMD_IP_BLOCK_TYPE_GFX:
689 		case AMD_IP_BLOCK_TYPE_VCE:
690 			count = 1;
691 			break;
692 		case AMD_IP_BLOCK_TYPE_SDMA:
693 			count = adev->sdma.num_instances;
694 			break;
695 		case AMD_IP_BLOCK_TYPE_JPEG:
696 			count = adev->jpeg.num_jpeg_inst * adev->jpeg.num_jpeg_rings;
697 			break;
698 		case AMD_IP_BLOCK_TYPE_VCN:
699 			count = adev->vcn.num_vcn_inst;
700 			break;
701 		case AMD_IP_BLOCK_TYPE_UVD:
702 			count = adev->uvd.num_uvd_inst;
703 			break;
704 		/* For all other IP block types not listed in the switch statement
705 		 * the ip status is valid here and the instance count is one.
706 		 */
707 		default:
708 			count = 1;
709 			break;
710 		}
711 
712 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
713 	}
714 	case AMDGPU_INFO_TIMESTAMP:
715 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
716 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
717 	case AMDGPU_INFO_FW_VERSION: {
718 		struct drm_amdgpu_info_firmware fw_info;
719 
720 		/* We only support one instance of each IP block right now. */
721 		if (info->query_fw.ip_instance != 0)
722 			return -EINVAL;
723 
724 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
725 		if (ret)
726 			return ret;
727 
728 		return copy_to_user(out, &fw_info,
729 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
730 	}
731 	case AMDGPU_INFO_NUM_BYTES_MOVED:
732 		ui64 = atomic64_read(&adev->num_bytes_moved);
733 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
734 	case AMDGPU_INFO_NUM_EVICTIONS:
735 		ui64 = atomic64_read(&adev->num_evictions);
736 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
737 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
738 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
739 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
740 	case AMDGPU_INFO_VRAM_USAGE:
741 		ui64 = ttm_resource_manager_usage(&adev->mman.vram_mgr.manager);
742 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
743 	case AMDGPU_INFO_VIS_VRAM_USAGE:
744 		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
745 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
746 	case AMDGPU_INFO_GTT_USAGE:
747 		ui64 = ttm_resource_manager_usage(&adev->mman.gtt_mgr.manager);
748 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
749 	case AMDGPU_INFO_GDS_CONFIG: {
750 		struct drm_amdgpu_info_gds gds_info;
751 
752 		memset(&gds_info, 0, sizeof(gds_info));
753 		gds_info.compute_partition_size = adev->gds.gds_size;
754 		gds_info.gds_total_size = adev->gds.gds_size;
755 		gds_info.gws_per_compute_partition = adev->gds.gws_size;
756 		gds_info.oa_per_compute_partition = adev->gds.oa_size;
757 		return copy_to_user(out, &gds_info,
758 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
759 	}
760 	case AMDGPU_INFO_VRAM_GTT: {
761 		struct drm_amdgpu_info_vram_gtt vram_gtt;
762 
763 		vram_gtt.vram_size = adev->gmc.real_vram_size -
764 			atomic64_read(&adev->vram_pin_size) -
765 			AMDGPU_VM_RESERVED_VRAM;
766 		vram_gtt.vram_cpu_accessible_size =
767 			min(adev->gmc.visible_vram_size -
768 			    atomic64_read(&adev->visible_pin_size),
769 			    vram_gtt.vram_size);
770 		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
771 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
772 		return copy_to_user(out, &vram_gtt,
773 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
774 	}
775 	case AMDGPU_INFO_MEMORY: {
776 		struct drm_amdgpu_memory_info mem;
777 		struct ttm_resource_manager *gtt_man =
778 			&adev->mman.gtt_mgr.manager;
779 		struct ttm_resource_manager *vram_man =
780 			&adev->mman.vram_mgr.manager;
781 
782 		memset(&mem, 0, sizeof(mem));
783 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
784 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
785 			atomic64_read(&adev->vram_pin_size) -
786 			AMDGPU_VM_RESERVED_VRAM;
787 		mem.vram.heap_usage =
788 			ttm_resource_manager_usage(vram_man);
789 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
790 
791 		mem.cpu_accessible_vram.total_heap_size =
792 			adev->gmc.visible_vram_size;
793 		mem.cpu_accessible_vram.usable_heap_size =
794 			min(adev->gmc.visible_vram_size -
795 			    atomic64_read(&adev->visible_pin_size),
796 			    mem.vram.usable_heap_size);
797 		mem.cpu_accessible_vram.heap_usage =
798 			amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
799 		mem.cpu_accessible_vram.max_allocation =
800 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
801 
802 		mem.gtt.total_heap_size = gtt_man->size;
803 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
804 			atomic64_read(&adev->gart_pin_size);
805 		mem.gtt.heap_usage = ttm_resource_manager_usage(gtt_man);
806 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
807 
808 		return copy_to_user(out, &mem,
809 				    min((size_t)size, sizeof(mem)))
810 				    ? -EFAULT : 0;
811 	}
812 	case AMDGPU_INFO_READ_MMR_REG: {
813 		int ret = 0;
814 		unsigned int n, alloc_size;
815 		uint32_t *regs;
816 		unsigned int se_num = (info->read_mmr_reg.instance >>
817 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
818 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
819 		unsigned int sh_num = (info->read_mmr_reg.instance >>
820 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
821 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
822 
823 		if (!down_read_trylock(&adev->reset_domain->sem))
824 			return -ENOENT;
825 
826 		/* set full masks if the userspace set all bits
827 		 * in the bitfields
828 		 */
829 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK) {
830 			se_num = 0xffffffff;
831 		} else if (se_num >= AMDGPU_GFX_MAX_SE) {
832 			ret = -EINVAL;
833 			goto out;
834 		}
835 
836 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK) {
837 			sh_num = 0xffffffff;
838 		} else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE) {
839 			ret = -EINVAL;
840 			goto out;
841 		}
842 
843 		if (info->read_mmr_reg.count > 128) {
844 			ret = -EINVAL;
845 			goto out;
846 		}
847 
848 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
849 		if (!regs) {
850 			ret = -ENOMEM;
851 			goto out;
852 		}
853 
854 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
855 
856 		amdgpu_gfx_off_ctrl(adev, false);
857 		for (i = 0; i < info->read_mmr_reg.count; i++) {
858 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
859 						      info->read_mmr_reg.dword_offset + i,
860 						      &regs[i])) {
861 				DRM_DEBUG_KMS("unallowed offset %#x\n",
862 					      info->read_mmr_reg.dword_offset + i);
863 				kfree(regs);
864 				amdgpu_gfx_off_ctrl(adev, true);
865 				ret = -EFAULT;
866 				goto out;
867 			}
868 		}
869 		amdgpu_gfx_off_ctrl(adev, true);
870 		n = copy_to_user(out, regs, min(size, alloc_size));
871 		kfree(regs);
872 		ret = (n ? -EFAULT : 0);
873 out:
874 		up_read(&adev->reset_domain->sem);
875 		return ret;
876 	}
877 	case AMDGPU_INFO_DEV_INFO: {
878 		struct drm_amdgpu_info_device *dev_info;
879 		uint64_t vm_size;
880 		uint32_t pcie_gen_mask, pcie_width_mask;
881 
882 		dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
883 		if (!dev_info)
884 			return -ENOMEM;
885 
886 		dev_info->device_id = adev->pdev->device;
887 		dev_info->chip_rev = adev->rev_id;
888 		dev_info->external_rev = adev->external_rev_id;
889 		dev_info->pci_rev = adev->pdev->revision;
890 		dev_info->family = adev->family;
891 		dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
892 		dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
893 		/* return all clocks in KHz */
894 		dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
895 		if (adev->pm.dpm_enabled) {
896 			dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
897 			dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
898 			dev_info->min_engine_clock = amdgpu_dpm_get_sclk(adev, true) * 10;
899 			dev_info->min_memory_clock = amdgpu_dpm_get_mclk(adev, true) * 10;
900 		} else {
901 			dev_info->max_engine_clock =
902 				dev_info->min_engine_clock =
903 					adev->clock.default_sclk * 10;
904 			dev_info->max_memory_clock =
905 				dev_info->min_memory_clock =
906 					adev->clock.default_mclk * 10;
907 		}
908 		dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
909 		dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
910 			adev->gfx.config.max_shader_engines;
911 		dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
912 		dev_info->ids_flags = 0;
913 		if (adev->flags & AMD_IS_APU)
914 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
915 		if (adev->gfx.mcbp)
916 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
917 		if (amdgpu_is_tmz(adev))
918 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
919 		if (adev->gfx.config.ta_cntl2_truncate_coord_mode)
920 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD;
921 
922 		if (amdgpu_passthrough(adev))
923 			dev_info->ids_flags |= (AMDGPU_IDS_FLAGS_MODE_PT <<
924 						AMDGPU_IDS_FLAGS_MODE_SHIFT) &
925 						AMDGPU_IDS_FLAGS_MODE_MASK;
926 		else if (amdgpu_sriov_vf(adev))
927 			dev_info->ids_flags |= (AMDGPU_IDS_FLAGS_MODE_VF <<
928 						AMDGPU_IDS_FLAGS_MODE_SHIFT) &
929 						AMDGPU_IDS_FLAGS_MODE_MASK;
930 
931 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
932 		vm_size -= AMDGPU_VA_RESERVED_TOP;
933 
934 		/* Older VCE FW versions are buggy and can handle only 40bits */
935 		if (adev->vce.fw_version &&
936 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
937 			vm_size = min(vm_size, 1ULL << 40);
938 
939 		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_BOTTOM;
940 		dev_info->virtual_address_max =
941 			min(vm_size, AMDGPU_GMC_HOLE_START);
942 
943 		if (vm_size > AMDGPU_GMC_HOLE_START) {
944 			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
945 			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
946 		}
947 		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
948 		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
949 		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
950 		dev_info->cu_active_number = adev->gfx.cu_info.number;
951 		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
952 		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
953 		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
954 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
955 		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
956 		       sizeof(dev_info->cu_bitmap));
957 		dev_info->vram_type = adev->gmc.vram_type;
958 		dev_info->vram_bit_width = adev->gmc.vram_width;
959 		dev_info->vce_harvest_config = adev->vce.harvest_config;
960 		dev_info->gc_double_offchip_lds_buf =
961 			adev->gfx.config.double_offchip_lds_buf;
962 		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
963 		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
964 		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
965 		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
966 		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
967 		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
968 		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
969 
970 		if (adev->family >= AMDGPU_FAMILY_NV)
971 			dev_info->pa_sc_tile_steering_override =
972 				adev->gfx.config.pa_sc_tile_steering_override;
973 
974 		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
975 
976 		/* Combine the chip gen mask with the platform (CPU/mobo) mask. */
977 		pcie_gen_mask = adev->pm.pcie_gen_mask &
978 			(adev->pm.pcie_gen_mask >> CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT);
979 		pcie_width_mask = adev->pm.pcie_mlw_mask &
980 			(adev->pm.pcie_mlw_mask >> CAIL_PCIE_LINK_WIDTH_SUPPORT_SHIFT);
981 		dev_info->pcie_gen = fls(pcie_gen_mask);
982 		dev_info->pcie_num_lanes =
983 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X32 ? 32 :
984 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X16 ? 16 :
985 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X12 ? 12 :
986 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X8 ? 8 :
987 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X4 ? 4 :
988 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X2 ? 2 : 1;
989 
990 		dev_info->tcp_cache_size = adev->gfx.config.gc_tcp_l1_size;
991 		dev_info->num_sqc_per_wgp = adev->gfx.config.gc_num_sqc_per_wgp;
992 		dev_info->sqc_data_cache_size = adev->gfx.config.gc_l1_data_cache_size_per_sqc;
993 		dev_info->sqc_inst_cache_size = adev->gfx.config.gc_l1_instruction_cache_size_per_sqc;
994 		dev_info->gl1c_cache_size = adev->gfx.config.gc_gl1c_size_per_instance *
995 					    adev->gfx.config.gc_gl1c_per_sa;
996 		dev_info->gl2c_cache_size = adev->gfx.config.gc_gl2c_per_gpu;
997 		dev_info->mall_size = adev->gmc.mall_size;
998 
999 
1000 		if (adev->gfx.funcs->get_gfx_shadow_info) {
1001 			struct amdgpu_gfx_shadow_info shadow_info;
1002 
1003 			ret = amdgpu_gfx_get_gfx_shadow_info(adev, &shadow_info);
1004 			if (!ret) {
1005 				dev_info->shadow_size = shadow_info.shadow_size;
1006 				dev_info->shadow_alignment = shadow_info.shadow_alignment;
1007 				dev_info->csa_size = shadow_info.csa_size;
1008 				dev_info->csa_alignment = shadow_info.csa_alignment;
1009 			}
1010 		}
1011 
1012 		if (adev->userq_funcs[AMDGPU_HW_IP_GFX])
1013 			dev_info->userq_ip_mask |= (1 << AMDGPU_HW_IP_GFX);
1014 		if (adev->userq_funcs[AMDGPU_HW_IP_COMPUTE])
1015 			dev_info->userq_ip_mask |= (1 << AMDGPU_HW_IP_COMPUTE);
1016 		if (adev->userq_funcs[AMDGPU_HW_IP_DMA])
1017 			dev_info->userq_ip_mask |= (1 << AMDGPU_HW_IP_DMA);
1018 
1019 		ret = copy_to_user(out, dev_info,
1020 				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
1021 		kfree(dev_info);
1022 		return ret;
1023 	}
1024 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
1025 		unsigned int i;
1026 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
1027 		struct amd_vce_state *vce_state;
1028 
1029 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
1030 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
1031 			if (vce_state) {
1032 				vce_clk_table.entries[i].sclk = vce_state->sclk;
1033 				vce_clk_table.entries[i].mclk = vce_state->mclk;
1034 				vce_clk_table.entries[i].eclk = vce_state->evclk;
1035 				vce_clk_table.num_valid_entries++;
1036 			}
1037 		}
1038 
1039 		return copy_to_user(out, &vce_clk_table,
1040 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
1041 	}
1042 	case AMDGPU_INFO_VBIOS: {
1043 		uint32_t bios_size = adev->bios_size;
1044 
1045 		switch (info->vbios_info.type) {
1046 		case AMDGPU_INFO_VBIOS_SIZE:
1047 			return copy_to_user(out, &bios_size,
1048 					min((size_t)size, sizeof(bios_size)))
1049 					? -EFAULT : 0;
1050 		case AMDGPU_INFO_VBIOS_IMAGE: {
1051 			uint8_t *bios;
1052 			uint32_t bios_offset = info->vbios_info.offset;
1053 
1054 			if (bios_offset >= bios_size)
1055 				return -EINVAL;
1056 
1057 			bios = adev->bios + bios_offset;
1058 			return copy_to_user(out, bios,
1059 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
1060 					? -EFAULT : 0;
1061 		}
1062 		case AMDGPU_INFO_VBIOS_INFO: {
1063 			struct drm_amdgpu_info_vbios vbios_info = {};
1064 			struct atom_context *atom_context;
1065 
1066 			atom_context = adev->mode_info.atom_context;
1067 			if (atom_context) {
1068 				memcpy(vbios_info.name, atom_context->name,
1069 				       sizeof(atom_context->name));
1070 				memcpy(vbios_info.vbios_pn, atom_context->vbios_pn,
1071 				       sizeof(atom_context->vbios_pn));
1072 				vbios_info.version = atom_context->version;
1073 				memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
1074 				       sizeof(atom_context->vbios_ver_str));
1075 				memcpy(vbios_info.date, atom_context->date,
1076 				       sizeof(atom_context->date));
1077 			}
1078 
1079 			return copy_to_user(out, &vbios_info,
1080 						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
1081 		}
1082 		default:
1083 			DRM_DEBUG_KMS("Invalid request %d\n",
1084 					info->vbios_info.type);
1085 			return -EINVAL;
1086 		}
1087 	}
1088 	case AMDGPU_INFO_NUM_HANDLES: {
1089 		struct drm_amdgpu_info_num_handles handle;
1090 
1091 		switch (info->query_hw_ip.type) {
1092 		case AMDGPU_HW_IP_UVD:
1093 			/* Starting Polaris, we support unlimited UVD handles */
1094 			if (adev->asic_type < CHIP_POLARIS10) {
1095 				handle.uvd_max_handles = adev->uvd.max_handles;
1096 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
1097 
1098 				return copy_to_user(out, &handle,
1099 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
1100 			} else {
1101 				return -ENODATA;
1102 			}
1103 
1104 			break;
1105 		default:
1106 			return -EINVAL;
1107 		}
1108 	}
1109 	case AMDGPU_INFO_SENSOR: {
1110 		if (!adev->pm.dpm_enabled)
1111 			return -ENOENT;
1112 
1113 		switch (info->sensor_info.type) {
1114 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
1115 			/* get sclk in Mhz */
1116 			if (amdgpu_dpm_read_sensor(adev,
1117 						   AMDGPU_PP_SENSOR_GFX_SCLK,
1118 						   (void *)&ui32, &ui32_size)) {
1119 				return -EINVAL;
1120 			}
1121 			ui32 /= 100;
1122 			break;
1123 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
1124 			/* get mclk in Mhz */
1125 			if (amdgpu_dpm_read_sensor(adev,
1126 						   AMDGPU_PP_SENSOR_GFX_MCLK,
1127 						   (void *)&ui32, &ui32_size)) {
1128 				return -EINVAL;
1129 			}
1130 			ui32 /= 100;
1131 			break;
1132 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
1133 			/* get temperature in millidegrees C */
1134 			if (amdgpu_dpm_read_sensor(adev,
1135 						   AMDGPU_PP_SENSOR_GPU_TEMP,
1136 						   (void *)&ui32, &ui32_size)) {
1137 				return -EINVAL;
1138 			}
1139 			break;
1140 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
1141 			/* get GPU load */
1142 			if (amdgpu_dpm_read_sensor(adev,
1143 						   AMDGPU_PP_SENSOR_GPU_LOAD,
1144 						   (void *)&ui32, &ui32_size)) {
1145 				return -EINVAL;
1146 			}
1147 			break;
1148 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
1149 			/* get average GPU power */
1150 			if (amdgpu_dpm_read_sensor(adev,
1151 						   AMDGPU_PP_SENSOR_GPU_AVG_POWER,
1152 						   (void *)&ui32, &ui32_size)) {
1153 				/* fall back to input power for backwards compat */
1154 				if (amdgpu_dpm_read_sensor(adev,
1155 							   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1156 							   (void *)&ui32, &ui32_size)) {
1157 					return -EINVAL;
1158 				}
1159 			}
1160 			ui32 >>= 8;
1161 			break;
1162 		case AMDGPU_INFO_SENSOR_GPU_INPUT_POWER:
1163 			/* get input GPU power */
1164 			if (amdgpu_dpm_read_sensor(adev,
1165 						   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1166 						   (void *)&ui32, &ui32_size)) {
1167 				return -EINVAL;
1168 			}
1169 			ui32 >>= 8;
1170 			break;
1171 		case AMDGPU_INFO_SENSOR_VDDNB:
1172 			/* get VDDNB in millivolts */
1173 			if (amdgpu_dpm_read_sensor(adev,
1174 						   AMDGPU_PP_SENSOR_VDDNB,
1175 						   (void *)&ui32, &ui32_size)) {
1176 				return -EINVAL;
1177 			}
1178 			break;
1179 		case AMDGPU_INFO_SENSOR_VDDGFX:
1180 			/* get VDDGFX in millivolts */
1181 			if (amdgpu_dpm_read_sensor(adev,
1182 						   AMDGPU_PP_SENSOR_VDDGFX,
1183 						   (void *)&ui32, &ui32_size)) {
1184 				return -EINVAL;
1185 			}
1186 			break;
1187 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1188 			/* get stable pstate sclk in Mhz */
1189 			if (amdgpu_dpm_read_sensor(adev,
1190 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1191 						   (void *)&ui32, &ui32_size)) {
1192 				return -EINVAL;
1193 			}
1194 			ui32 /= 100;
1195 			break;
1196 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1197 			/* get stable pstate mclk in Mhz */
1198 			if (amdgpu_dpm_read_sensor(adev,
1199 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1200 						   (void *)&ui32, &ui32_size)) {
1201 				return -EINVAL;
1202 			}
1203 			ui32 /= 100;
1204 			break;
1205 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK:
1206 			/* get peak pstate sclk in Mhz */
1207 			if (amdgpu_dpm_read_sensor(adev,
1208 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK,
1209 						   (void *)&ui32, &ui32_size)) {
1210 				return -EINVAL;
1211 			}
1212 			ui32 /= 100;
1213 			break;
1214 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK:
1215 			/* get peak pstate mclk in Mhz */
1216 			if (amdgpu_dpm_read_sensor(adev,
1217 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK,
1218 						   (void *)&ui32, &ui32_size)) {
1219 				return -EINVAL;
1220 			}
1221 			ui32 /= 100;
1222 			break;
1223 		default:
1224 			DRM_DEBUG_KMS("Invalid request %d\n",
1225 				      info->sensor_info.type);
1226 			return -EINVAL;
1227 		}
1228 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1229 	}
1230 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
1231 		ui32 = atomic_read(&adev->vram_lost_counter);
1232 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1233 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1234 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1235 		uint64_t ras_mask;
1236 
1237 		if (!ras)
1238 			return -EINVAL;
1239 		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1240 
1241 		return copy_to_user(out, &ras_mask,
1242 				min_t(u64, size, sizeof(ras_mask))) ?
1243 			-EFAULT : 0;
1244 	}
1245 	case AMDGPU_INFO_VIDEO_CAPS: {
1246 		const struct amdgpu_video_codecs *codecs;
1247 		struct drm_amdgpu_info_video_caps *caps;
1248 		int r;
1249 
1250 		if (!adev->asic_funcs->query_video_codecs)
1251 			return -EINVAL;
1252 
1253 		switch (info->video_cap.type) {
1254 		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1255 			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1256 			if (r)
1257 				return -EINVAL;
1258 			break;
1259 		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1260 			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1261 			if (r)
1262 				return -EINVAL;
1263 			break;
1264 		default:
1265 			DRM_DEBUG_KMS("Invalid request %d\n",
1266 				      info->video_cap.type);
1267 			return -EINVAL;
1268 		}
1269 
1270 		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1271 		if (!caps)
1272 			return -ENOMEM;
1273 
1274 		for (i = 0; i < codecs->codec_count; i++) {
1275 			int idx = codecs->codec_array[i].codec_type;
1276 
1277 			switch (idx) {
1278 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1279 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1280 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1281 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1282 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1283 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1284 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1285 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1286 				caps->codec_info[idx].valid = 1;
1287 				caps->codec_info[idx].max_width =
1288 					codecs->codec_array[i].max_width;
1289 				caps->codec_info[idx].max_height =
1290 					codecs->codec_array[i].max_height;
1291 				caps->codec_info[idx].max_pixels_per_frame =
1292 					codecs->codec_array[i].max_pixels_per_frame;
1293 				caps->codec_info[idx].max_level =
1294 					codecs->codec_array[i].max_level;
1295 				break;
1296 			default:
1297 				break;
1298 			}
1299 		}
1300 		r = copy_to_user(out, caps,
1301 				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1302 		kfree(caps);
1303 		return r;
1304 	}
1305 	case AMDGPU_INFO_MAX_IBS: {
1306 		uint32_t max_ibs[AMDGPU_HW_IP_NUM];
1307 
1308 		for (i = 0; i < AMDGPU_HW_IP_NUM; ++i)
1309 			max_ibs[i] = amdgpu_ring_max_ibs(i);
1310 
1311 		return copy_to_user(out, max_ibs,
1312 				    min((size_t)size, sizeof(max_ibs))) ? -EFAULT : 0;
1313 	}
1314 	case AMDGPU_INFO_GPUVM_FAULT: {
1315 		struct amdgpu_fpriv *fpriv = filp->driver_priv;
1316 		struct amdgpu_vm *vm = &fpriv->vm;
1317 		struct drm_amdgpu_info_gpuvm_fault gpuvm_fault;
1318 		unsigned long flags;
1319 
1320 		if (!vm)
1321 			return -EINVAL;
1322 
1323 		memset(&gpuvm_fault, 0, sizeof(gpuvm_fault));
1324 
1325 		xa_lock_irqsave(&adev->vm_manager.pasids, flags);
1326 		gpuvm_fault.addr = vm->fault_info.addr;
1327 		gpuvm_fault.status = vm->fault_info.status;
1328 		gpuvm_fault.vmhub = vm->fault_info.vmhub;
1329 		xa_unlock_irqrestore(&adev->vm_manager.pasids, flags);
1330 
1331 		return copy_to_user(out, &gpuvm_fault,
1332 				    min((size_t)size, sizeof(gpuvm_fault))) ? -EFAULT : 0;
1333 	}
1334 	case AMDGPU_INFO_UQ_FW_AREAS: {
1335 		struct drm_amdgpu_info_uq_metadata meta_info = {};
1336 
1337 		switch (info->query_hw_ip.type) {
1338 		case AMDGPU_HW_IP_GFX:
1339 			ret = amdgpu_userq_metadata_info_gfx(adev, info, &meta_info.gfx);
1340 			if (ret)
1341 				return ret;
1342 
1343 			ret = copy_to_user(out, &meta_info,
1344 						min((size_t)size, sizeof(meta_info))) ? -EFAULT : 0;
1345 			return 0;
1346 		default:
1347 			return -EINVAL;
1348 		}
1349 	}
1350 	default:
1351 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1352 		return -EINVAL;
1353 	}
1354 	return 0;
1355 }
1356 
1357 /**
1358  * amdgpu_driver_open_kms - drm callback for open
1359  *
1360  * @dev: drm dev pointer
1361  * @file_priv: drm file
1362  *
1363  * On device open, init vm on cayman+ (all asics).
1364  * Returns 0 on success, error on failure.
1365  */
1366 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1367 {
1368 	struct amdgpu_device *adev = drm_to_adev(dev);
1369 	struct amdgpu_fpriv *fpriv;
1370 	int r, pasid;
1371 
1372 	/* Ensure IB tests are run on ring */
1373 	flush_delayed_work(&adev->delayed_init_work);
1374 
1375 
1376 	if (amdgpu_ras_intr_triggered()) {
1377 		DRM_ERROR("RAS Intr triggered, device disabled!!");
1378 		return -EHWPOISON;
1379 	}
1380 
1381 	file_priv->driver_priv = NULL;
1382 
1383 	r = pm_runtime_get_sync(dev->dev);
1384 	if (r < 0)
1385 		goto pm_put;
1386 
1387 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1388 	if (unlikely(!fpriv)) {
1389 		r = -ENOMEM;
1390 		goto out_suspend;
1391 	}
1392 
1393 	pasid = amdgpu_pasid_alloc(16);
1394 	if (pasid < 0) {
1395 		dev_warn(adev->dev, "No more PASIDs available!");
1396 		pasid = 0;
1397 	}
1398 
1399 	r = amdgpu_xcp_open_device(adev, fpriv, file_priv);
1400 	if (r)
1401 		goto error_pasid;
1402 
1403 	r = amdgpu_vm_init(adev, &fpriv->vm, fpriv->xcp_id);
1404 	if (r)
1405 		goto error_pasid;
1406 
1407 	r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
1408 	if (r)
1409 		goto error_vm;
1410 
1411 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1412 	if (!fpriv->prt_va) {
1413 		r = -ENOMEM;
1414 		goto error_vm;
1415 	}
1416 
1417 	if (adev->gfx.mcbp) {
1418 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1419 
1420 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1421 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1422 		if (r)
1423 			goto error_vm;
1424 	}
1425 
1426 	r = amdgpu_seq64_map(adev, &fpriv->vm, &fpriv->seq64_va);
1427 	if (r)
1428 		goto error_vm;
1429 
1430 	mutex_init(&fpriv->bo_list_lock);
1431 	idr_init_base(&fpriv->bo_list_handles, 1);
1432 
1433 	r = amdgpu_eviction_fence_init(&fpriv->evf_mgr);
1434 	if (r)
1435 		goto error_vm;
1436 
1437 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr, adev);
1438 
1439 	r = amdgpu_userq_mgr_init(&fpriv->userq_mgr, adev);
1440 	if (r)
1441 		DRM_WARN("Can't setup usermode queues, use legacy workload submission only\n");
1442 
1443 	file_priv->driver_priv = fpriv;
1444 	goto out_suspend;
1445 
1446 error_vm:
1447 	amdgpu_vm_fini(adev, &fpriv->vm);
1448 
1449 error_pasid:
1450 	if (pasid) {
1451 		amdgpu_pasid_free(pasid);
1452 		amdgpu_vm_set_pasid(adev, &fpriv->vm, 0);
1453 	}
1454 
1455 	kfree(fpriv);
1456 
1457 out_suspend:
1458 	pm_runtime_mark_last_busy(dev->dev);
1459 pm_put:
1460 	pm_runtime_put_autosuspend(dev->dev);
1461 
1462 	return r;
1463 }
1464 
1465 /**
1466  * amdgpu_driver_postclose_kms - drm callback for post close
1467  *
1468  * @dev: drm dev pointer
1469  * @file_priv: drm file
1470  *
1471  * On device post close, tear down vm on cayman+ (all asics).
1472  */
1473 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1474 				 struct drm_file *file_priv)
1475 {
1476 	struct amdgpu_device *adev = drm_to_adev(dev);
1477 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1478 	struct amdgpu_bo_list *list;
1479 	struct amdgpu_bo *pd;
1480 	u32 pasid;
1481 	int handle;
1482 
1483 	if (!fpriv)
1484 		return;
1485 
1486 	pm_runtime_get_sync(dev->dev);
1487 
1488 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1489 		amdgpu_uvd_free_handles(adev, file_priv);
1490 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1491 		amdgpu_vce_free_handles(adev, file_priv);
1492 
1493 	if (fpriv->csa_va) {
1494 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1495 
1496 		WARN_ON(amdgpu_unmap_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1497 						fpriv->csa_va, csa_addr));
1498 		fpriv->csa_va = NULL;
1499 	}
1500 
1501 	amdgpu_seq64_unmap(adev, fpriv);
1502 
1503 	pasid = fpriv->vm.pasid;
1504 	pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1505 	if (!WARN_ON(amdgpu_bo_reserve(pd, true))) {
1506 		amdgpu_vm_bo_del(adev, fpriv->prt_va);
1507 		amdgpu_bo_unreserve(pd);
1508 	}
1509 
1510 	fpriv->evf_mgr.fd_closing = true;
1511 	amdgpu_userq_mgr_fini(&fpriv->userq_mgr);
1512 	amdgpu_eviction_fence_destroy(&fpriv->evf_mgr);
1513 
1514 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1515 	amdgpu_vm_fini(adev, &fpriv->vm);
1516 
1517 	if (pasid)
1518 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1519 	amdgpu_bo_unref(&pd);
1520 
1521 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1522 		amdgpu_bo_list_put(list);
1523 
1524 	idr_destroy(&fpriv->bo_list_handles);
1525 	mutex_destroy(&fpriv->bo_list_lock);
1526 
1527 	kfree(fpriv);
1528 	file_priv->driver_priv = NULL;
1529 
1530 	pm_runtime_mark_last_busy(dev->dev);
1531 	pm_runtime_put_autosuspend(dev->dev);
1532 }
1533 
1534 
1535 void amdgpu_driver_release_kms(struct drm_device *dev)
1536 {
1537 	struct amdgpu_device *adev = drm_to_adev(dev);
1538 
1539 	amdgpu_device_fini_sw(adev);
1540 	pci_set_drvdata(adev->pdev, NULL);
1541 }
1542 
1543 /*
1544  * VBlank related functions.
1545  */
1546 /**
1547  * amdgpu_get_vblank_counter_kms - get frame count
1548  *
1549  * @crtc: crtc to get the frame count from
1550  *
1551  * Gets the frame count on the requested crtc (all asics).
1552  * Returns frame count on success, -EINVAL on failure.
1553  */
1554 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1555 {
1556 	struct drm_device *dev = crtc->dev;
1557 	unsigned int pipe = crtc->index;
1558 	struct amdgpu_device *adev = drm_to_adev(dev);
1559 	int vpos, hpos, stat;
1560 	u32 count;
1561 
1562 	if (pipe >= adev->mode_info.num_crtc) {
1563 		DRM_ERROR("Invalid crtc %u\n", pipe);
1564 		return -EINVAL;
1565 	}
1566 
1567 	/* The hw increments its frame counter at start of vsync, not at start
1568 	 * of vblank, as is required by DRM core vblank counter handling.
1569 	 * Cook the hw count here to make it appear to the caller as if it
1570 	 * incremented at start of vblank. We measure distance to start of
1571 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1572 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1573 	 * result by 1 to give the proper appearance to caller.
1574 	 */
1575 	if (adev->mode_info.crtcs[pipe]) {
1576 		/* Repeat readout if needed to provide stable result if
1577 		 * we cross start of vsync during the queries.
1578 		 */
1579 		do {
1580 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1581 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1582 			 * vpos as distance to start of vblank, instead of
1583 			 * regular vertical scanout pos.
1584 			 */
1585 			stat = amdgpu_display_get_crtc_scanoutpos(
1586 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1587 				&vpos, &hpos, NULL, NULL,
1588 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1589 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1590 
1591 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1592 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1593 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1594 		} else {
1595 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1596 				      pipe, vpos);
1597 
1598 			/* Bump counter if we are at >= leading edge of vblank,
1599 			 * but before vsync where vpos would turn negative and
1600 			 * the hw counter really increments.
1601 			 */
1602 			if (vpos >= 0)
1603 				count++;
1604 		}
1605 	} else {
1606 		/* Fallback to use value as is. */
1607 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1608 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1609 	}
1610 
1611 	return count;
1612 }
1613 
1614 /**
1615  * amdgpu_enable_vblank_kms - enable vblank interrupt
1616  *
1617  * @crtc: crtc to enable vblank interrupt for
1618  *
1619  * Enable the interrupt on the requested crtc (all asics).
1620  * Returns 0 on success, -EINVAL on failure.
1621  */
1622 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1623 {
1624 	struct drm_device *dev = crtc->dev;
1625 	unsigned int pipe = crtc->index;
1626 	struct amdgpu_device *adev = drm_to_adev(dev);
1627 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1628 
1629 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1630 }
1631 
1632 /**
1633  * amdgpu_disable_vblank_kms - disable vblank interrupt
1634  *
1635  * @crtc: crtc to disable vblank interrupt for
1636  *
1637  * Disable the interrupt on the requested crtc (all asics).
1638  */
1639 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1640 {
1641 	struct drm_device *dev = crtc->dev;
1642 	unsigned int pipe = crtc->index;
1643 	struct amdgpu_device *adev = drm_to_adev(dev);
1644 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1645 
1646 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1647 }
1648 
1649 /*
1650  * Debugfs info
1651  */
1652 #if defined(CONFIG_DEBUG_FS)
1653 
1654 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1655 {
1656 	struct amdgpu_device *adev = m->private;
1657 	struct drm_amdgpu_info_firmware fw_info;
1658 	struct drm_amdgpu_query_fw query_fw;
1659 	struct atom_context *ctx = adev->mode_info.atom_context;
1660 	uint8_t smu_program, smu_major, smu_minor, smu_debug;
1661 	int ret, i;
1662 
1663 	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1664 #define TA_FW_NAME(type)[TA_FW_TYPE_PSP_##type] = #type
1665 		TA_FW_NAME(XGMI),
1666 		TA_FW_NAME(RAS),
1667 		TA_FW_NAME(HDCP),
1668 		TA_FW_NAME(DTM),
1669 		TA_FW_NAME(RAP),
1670 		TA_FW_NAME(SECUREDISPLAY),
1671 #undef TA_FW_NAME
1672 	};
1673 
1674 	/* VCE */
1675 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1676 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1677 	if (ret)
1678 		return ret;
1679 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1680 		   fw_info.feature, fw_info.ver);
1681 
1682 	/* UVD */
1683 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1684 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1685 	if (ret)
1686 		return ret;
1687 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1688 		   fw_info.feature, fw_info.ver);
1689 
1690 	/* GMC */
1691 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1692 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1693 	if (ret)
1694 		return ret;
1695 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1696 		   fw_info.feature, fw_info.ver);
1697 
1698 	/* ME */
1699 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1700 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1701 	if (ret)
1702 		return ret;
1703 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1704 		   fw_info.feature, fw_info.ver);
1705 
1706 	/* PFP */
1707 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1708 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1709 	if (ret)
1710 		return ret;
1711 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1712 		   fw_info.feature, fw_info.ver);
1713 
1714 	/* CE */
1715 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1716 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1717 	if (ret)
1718 		return ret;
1719 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1720 		   fw_info.feature, fw_info.ver);
1721 
1722 	/* RLC */
1723 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1724 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1725 	if (ret)
1726 		return ret;
1727 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1728 		   fw_info.feature, fw_info.ver);
1729 
1730 	/* RLC SAVE RESTORE LIST CNTL */
1731 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1732 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1733 	if (ret)
1734 		return ret;
1735 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1736 		   fw_info.feature, fw_info.ver);
1737 
1738 	/* RLC SAVE RESTORE LIST GPM MEM */
1739 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1740 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1741 	if (ret)
1742 		return ret;
1743 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1744 		   fw_info.feature, fw_info.ver);
1745 
1746 	/* RLC SAVE RESTORE LIST SRM MEM */
1747 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1748 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1749 	if (ret)
1750 		return ret;
1751 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1752 		   fw_info.feature, fw_info.ver);
1753 
1754 	/* RLCP */
1755 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCP;
1756 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1757 	if (ret)
1758 		return ret;
1759 	seq_printf(m, "RLCP feature version: %u, firmware version: 0x%08x\n",
1760 		   fw_info.feature, fw_info.ver);
1761 
1762 	/* RLCV */
1763 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCV;
1764 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1765 	if (ret)
1766 		return ret;
1767 	seq_printf(m, "RLCV feature version: %u, firmware version: 0x%08x\n",
1768 		   fw_info.feature, fw_info.ver);
1769 
1770 	/* MEC */
1771 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1772 	query_fw.index = 0;
1773 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1774 	if (ret)
1775 		return ret;
1776 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1777 		   fw_info.feature, fw_info.ver);
1778 
1779 	/* MEC2 */
1780 	if (adev->gfx.mec2_fw) {
1781 		query_fw.index = 1;
1782 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1783 		if (ret)
1784 			return ret;
1785 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1786 			   fw_info.feature, fw_info.ver);
1787 	}
1788 
1789 	/* IMU */
1790 	query_fw.fw_type = AMDGPU_INFO_FW_IMU;
1791 	query_fw.index = 0;
1792 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1793 	if (ret)
1794 		return ret;
1795 	seq_printf(m, "IMU feature version: %u, firmware version: 0x%08x\n",
1796 		   fw_info.feature, fw_info.ver);
1797 
1798 	/* PSP SOS */
1799 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1800 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1801 	if (ret)
1802 		return ret;
1803 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1804 		   fw_info.feature, fw_info.ver);
1805 
1806 
1807 	/* PSP ASD */
1808 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1809 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1810 	if (ret)
1811 		return ret;
1812 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1813 		   fw_info.feature, fw_info.ver);
1814 
1815 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1816 	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1817 		query_fw.index = i;
1818 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1819 		if (ret)
1820 			continue;
1821 
1822 		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1823 			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1824 	}
1825 
1826 	/* SMC */
1827 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1828 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1829 	if (ret)
1830 		return ret;
1831 	smu_program = (fw_info.ver >> 24) & 0xff;
1832 	smu_major = (fw_info.ver >> 16) & 0xff;
1833 	smu_minor = (fw_info.ver >> 8) & 0xff;
1834 	smu_debug = (fw_info.ver >> 0) & 0xff;
1835 	seq_printf(m, "SMC feature version: %u, program: %d, firmware version: 0x%08x (%d.%d.%d)\n",
1836 		   fw_info.feature, smu_program, fw_info.ver, smu_major, smu_minor, smu_debug);
1837 
1838 	/* SDMA */
1839 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1840 	for (i = 0; i < adev->sdma.num_instances; i++) {
1841 		query_fw.index = i;
1842 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1843 		if (ret)
1844 			return ret;
1845 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1846 			   i, fw_info.feature, fw_info.ver);
1847 	}
1848 
1849 	/* VCN */
1850 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1851 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1852 	if (ret)
1853 		return ret;
1854 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1855 		   fw_info.feature, fw_info.ver);
1856 
1857 	/* DMCU */
1858 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1859 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1860 	if (ret)
1861 		return ret;
1862 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1863 		   fw_info.feature, fw_info.ver);
1864 
1865 	/* DMCUB */
1866 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1867 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1868 	if (ret)
1869 		return ret;
1870 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1871 		   fw_info.feature, fw_info.ver);
1872 
1873 	/* TOC */
1874 	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1875 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1876 	if (ret)
1877 		return ret;
1878 	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1879 		   fw_info.feature, fw_info.ver);
1880 
1881 	/* CAP */
1882 	if (adev->psp.cap_fw) {
1883 		query_fw.fw_type = AMDGPU_INFO_FW_CAP;
1884 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1885 		if (ret)
1886 			return ret;
1887 		seq_printf(m, "CAP feature version: %u, firmware version: 0x%08x\n",
1888 				fw_info.feature, fw_info.ver);
1889 	}
1890 
1891 	/* MES_KIQ */
1892 	query_fw.fw_type = AMDGPU_INFO_FW_MES_KIQ;
1893 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1894 	if (ret)
1895 		return ret;
1896 	seq_printf(m, "MES_KIQ feature version: %u, firmware version: 0x%08x\n",
1897 		   fw_info.feature, fw_info.ver);
1898 
1899 	/* MES */
1900 	query_fw.fw_type = AMDGPU_INFO_FW_MES;
1901 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1902 	if (ret)
1903 		return ret;
1904 	seq_printf(m, "MES feature version: %u, firmware version: 0x%08x\n",
1905 		   fw_info.feature, fw_info.ver);
1906 
1907 	/* VPE */
1908 	query_fw.fw_type = AMDGPU_INFO_FW_VPE;
1909 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1910 	if (ret)
1911 		return ret;
1912 	seq_printf(m, "VPE feature version: %u, firmware version: 0x%08x\n",
1913 		   fw_info.feature, fw_info.ver);
1914 
1915 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_pn);
1916 
1917 	return 0;
1918 }
1919 
1920 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1921 
1922 #endif
1923 
1924 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1925 {
1926 #if defined(CONFIG_DEBUG_FS)
1927 	struct drm_minor *minor = adev_to_drm(adev)->primary;
1928 	struct dentry *root = minor->debugfs_root;
1929 
1930 	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1931 			    adev, &amdgpu_debugfs_firmware_info_fops);
1932 
1933 #endif
1934 }
1935