xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c (revision 69e4b75a5b90ef74300c283c0aafe8d41daf13a8)
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_userq.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(adev, 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(adev, 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 	uint32_t num_slots = 0;
403 	unsigned int i, j;
404 
405 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
406 		return -EINVAL;
407 
408 	switch (info->query_hw_ip.type) {
409 	case AMDGPU_HW_IP_GFX:
410 		type = AMD_IP_BLOCK_TYPE_GFX;
411 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
412 			if (adev->gfx.gfx_ring[i].sched.ready &&
413 			    !adev->gfx.gfx_ring[i].no_user_submission)
414 				++num_rings;
415 
416 		if (!adev->gfx.disable_uq) {
417 			for (i = 0; i < AMDGPU_MES_MAX_GFX_PIPES; i++)
418 				num_slots += hweight32(adev->mes.gfx_hqd_mask[i]);
419 		}
420 
421 		ib_start_alignment = 32;
422 		ib_size_alignment = 32;
423 		break;
424 	case AMDGPU_HW_IP_COMPUTE:
425 		type = AMD_IP_BLOCK_TYPE_GFX;
426 		for (i = 0; i < adev->gfx.num_compute_rings; i++)
427 			if (adev->gfx.compute_ring[i].sched.ready &&
428 			    !adev->gfx.compute_ring[i].no_user_submission)
429 				++num_rings;
430 
431 		if (!adev->sdma.disable_uq) {
432 			for (i = 0; i < AMDGPU_MES_MAX_COMPUTE_PIPES; i++)
433 				num_slots += hweight32(adev->mes.compute_hqd_mask[i]);
434 		}
435 
436 		ib_start_alignment = 32;
437 		ib_size_alignment = 32;
438 		break;
439 	case AMDGPU_HW_IP_DMA:
440 		type = AMD_IP_BLOCK_TYPE_SDMA;
441 		for (i = 0; i < adev->sdma.num_instances; i++)
442 			if (adev->sdma.instance[i].ring.sched.ready &&
443 			    !adev->sdma.instance[i].ring.no_user_submission)
444 				++num_rings;
445 
446 		if (!adev->gfx.disable_uq) {
447 			for (i = 0; i < AMDGPU_MES_MAX_SDMA_PIPES; i++)
448 				num_slots += hweight32(adev->mes.sdma_hqd_mask[i]);
449 		}
450 
451 		ib_start_alignment = 256;
452 		ib_size_alignment = 4;
453 		break;
454 	case AMDGPU_HW_IP_UVD:
455 		type = AMD_IP_BLOCK_TYPE_UVD;
456 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
457 			if (adev->uvd.harvest_config & (1 << i))
458 				continue;
459 
460 			if (adev->uvd.inst[i].ring.sched.ready &&
461 			    !adev->uvd.inst[i].ring.no_user_submission)
462 				++num_rings;
463 		}
464 		ib_start_alignment = 256;
465 		ib_size_alignment = 64;
466 		break;
467 	case AMDGPU_HW_IP_VCE:
468 		type = AMD_IP_BLOCK_TYPE_VCE;
469 		for (i = 0; i < adev->vce.num_rings; i++)
470 			if (adev->vce.ring[i].sched.ready &&
471 			    !adev->vce.ring[i].no_user_submission)
472 				++num_rings;
473 		ib_start_alignment = 256;
474 		ib_size_alignment = 4;
475 		break;
476 	case AMDGPU_HW_IP_UVD_ENC:
477 		type = AMD_IP_BLOCK_TYPE_UVD;
478 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
479 			if (adev->uvd.harvest_config & (1 << i))
480 				continue;
481 
482 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
483 				if (adev->uvd.inst[i].ring_enc[j].sched.ready &&
484 				    !adev->uvd.inst[i].ring_enc[j].no_user_submission)
485 					++num_rings;
486 		}
487 		ib_start_alignment = 256;
488 		ib_size_alignment = 4;
489 		break;
490 	case AMDGPU_HW_IP_VCN_DEC:
491 		type = AMD_IP_BLOCK_TYPE_VCN;
492 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
493 			if (adev->vcn.harvest_config & (1 << i))
494 				continue;
495 
496 			if (adev->vcn.inst[i].ring_dec.sched.ready &&
497 			    !adev->vcn.inst[i].ring_dec.no_user_submission)
498 				++num_rings;
499 		}
500 		ib_start_alignment = 256;
501 		ib_size_alignment = 64;
502 		break;
503 	case AMDGPU_HW_IP_VCN_ENC:
504 		type = AMD_IP_BLOCK_TYPE_VCN;
505 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
506 			if (adev->vcn.harvest_config & (1 << i))
507 				continue;
508 
509 			for (j = 0; j < adev->vcn.inst[i].num_enc_rings; j++)
510 				if (adev->vcn.inst[i].ring_enc[j].sched.ready &&
511 				    !adev->vcn.inst[i].ring_enc[j].no_user_submission)
512 					++num_rings;
513 		}
514 		ib_start_alignment = 256;
515 		ib_size_alignment = 4;
516 		break;
517 	case AMDGPU_HW_IP_VCN_JPEG:
518 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
519 			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
520 
521 		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
522 			if (adev->jpeg.harvest_config & (1 << i))
523 				continue;
524 
525 			for (j = 0; j < adev->jpeg.num_jpeg_rings; j++)
526 				if (adev->jpeg.inst[i].ring_dec[j].sched.ready &&
527 				    !adev->jpeg.inst[i].ring_dec[j].no_user_submission)
528 					++num_rings;
529 		}
530 		ib_start_alignment = 256;
531 		ib_size_alignment = 64;
532 		break;
533 	case AMDGPU_HW_IP_VPE:
534 		type = AMD_IP_BLOCK_TYPE_VPE;
535 		if (adev->vpe.ring.sched.ready &&
536 		    !adev->vpe.ring.no_user_submission)
537 			++num_rings;
538 		ib_start_alignment = 256;
539 		ib_size_alignment = 4;
540 		break;
541 	default:
542 		return -EINVAL;
543 	}
544 
545 	for (i = 0; i < adev->num_ip_blocks; i++)
546 		if (adev->ip_blocks[i].version->type == type &&
547 		    adev->ip_blocks[i].status.valid)
548 			break;
549 
550 	if (i == adev->num_ip_blocks)
551 		return 0;
552 
553 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
554 			num_rings);
555 
556 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
557 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
558 
559 	if (adev->asic_type >= CHIP_VEGA10) {
560 		switch (type) {
561 		case AMD_IP_BLOCK_TYPE_GFX:
562 			result->ip_discovery_version =
563 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, GC_HWIP, 0));
564 			break;
565 		case AMD_IP_BLOCK_TYPE_SDMA:
566 			result->ip_discovery_version =
567 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, SDMA0_HWIP, 0));
568 			break;
569 		case AMD_IP_BLOCK_TYPE_UVD:
570 		case AMD_IP_BLOCK_TYPE_VCN:
571 		case AMD_IP_BLOCK_TYPE_JPEG:
572 			result->ip_discovery_version =
573 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, UVD_HWIP, 0));
574 			break;
575 		case AMD_IP_BLOCK_TYPE_VCE:
576 			result->ip_discovery_version =
577 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VCE_HWIP, 0));
578 			break;
579 		case AMD_IP_BLOCK_TYPE_VPE:
580 			result->ip_discovery_version =
581 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VPE_HWIP, 0));
582 			break;
583 		default:
584 			result->ip_discovery_version = 0;
585 			break;
586 		}
587 	} else {
588 		result->ip_discovery_version = 0;
589 	}
590 	result->capabilities_flags = 0;
591 	result->available_rings = (1 << num_rings) - 1;
592 	result->userq_num_slots = num_slots;
593 	result->ib_start_alignment = ib_start_alignment;
594 	result->ib_size_alignment = ib_size_alignment;
595 	return 0;
596 }
597 
598 /*
599  * Userspace get information ioctl
600  */
601 /**
602  * amdgpu_info_ioctl - answer a device specific request.
603  *
604  * @dev: drm device pointer
605  * @data: request object
606  * @filp: drm filp
607  *
608  * This function is used to pass device specific parameters to the userspace
609  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
610  * etc. (all asics).
611  * Returns 0 on success, -EINVAL on failure.
612  */
613 int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
614 {
615 	struct amdgpu_device *adev = drm_to_adev(dev);
616 	struct drm_amdgpu_info *info = data;
617 	struct amdgpu_mode_info *minfo = &adev->mode_info;
618 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
619 	struct amdgpu_fpriv *fpriv;
620 	struct amdgpu_ip_block *ip_block;
621 	enum amd_ip_block_type type;
622 	struct amdgpu_xcp *xcp;
623 	u32 count, inst_mask;
624 	uint32_t size = info->return_size;
625 	struct drm_crtc *crtc;
626 	uint32_t ui32 = 0;
627 	uint64_t ui64 = 0;
628 	int i, found, ret;
629 	int ui32_size = sizeof(ui32);
630 
631 	if (!info->return_size || !info->return_pointer)
632 		return -EINVAL;
633 
634 	switch (info->query) {
635 	case AMDGPU_INFO_ACCEL_WORKING:
636 		ui32 = adev->accel_working;
637 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
638 	case AMDGPU_INFO_CRTC_FROM_ID:
639 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
640 			crtc = (struct drm_crtc *)minfo->crtcs[i];
641 			if (crtc && crtc->base.id == info->mode_crtc.id) {
642 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
643 
644 				ui32 = amdgpu_crtc->crtc_id;
645 				found = 1;
646 				break;
647 			}
648 		}
649 		if (!found) {
650 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
651 			return -EINVAL;
652 		}
653 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
654 	case AMDGPU_INFO_HW_IP_INFO: {
655 		struct drm_amdgpu_info_hw_ip ip = {};
656 
657 		ret = amdgpu_hw_ip_info(adev, info, &ip);
658 		if (ret)
659 			return ret;
660 
661 		ret = copy_to_user(out, &ip, min_t(size_t, size, sizeof(ip)));
662 		return ret ? -EFAULT : 0;
663 	}
664 	case AMDGPU_INFO_HW_IP_COUNT: {
665 		fpriv = (struct amdgpu_fpriv *)filp->driver_priv;
666 		type = amdgpu_ip_get_block_type(adev, info->query_hw_ip.type);
667 		ip_block = amdgpu_device_ip_get_ip_block(adev, type);
668 
669 		if (!ip_block || !ip_block->status.valid)
670 			return -EINVAL;
671 
672 		if (adev->xcp_mgr && adev->xcp_mgr->num_xcps > 0 &&
673 		    fpriv->xcp_id < adev->xcp_mgr->num_xcps) {
674 			xcp = &adev->xcp_mgr->xcp[fpriv->xcp_id];
675 			switch (type) {
676 			case AMD_IP_BLOCK_TYPE_GFX:
677 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_GFX, &inst_mask);
678 				if (ret)
679 					return ret;
680 				count = hweight32(inst_mask);
681 				break;
682 			case AMD_IP_BLOCK_TYPE_SDMA:
683 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_SDMA, &inst_mask);
684 				if (ret)
685 					return ret;
686 				count = hweight32(inst_mask);
687 				break;
688 			case AMD_IP_BLOCK_TYPE_JPEG:
689 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
690 				if (ret)
691 					return ret;
692 				count = hweight32(inst_mask) * adev->jpeg.num_jpeg_rings;
693 				break;
694 			case AMD_IP_BLOCK_TYPE_VCN:
695 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
696 				if (ret)
697 					return ret;
698 				count = hweight32(inst_mask);
699 				break;
700 			default:
701 				return -EINVAL;
702 			}
703 
704 			return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
705 		}
706 
707 		switch (type) {
708 		case AMD_IP_BLOCK_TYPE_GFX:
709 		case AMD_IP_BLOCK_TYPE_VCE:
710 			count = 1;
711 			break;
712 		case AMD_IP_BLOCK_TYPE_SDMA:
713 			count = adev->sdma.num_instances;
714 			break;
715 		case AMD_IP_BLOCK_TYPE_JPEG:
716 			count = adev->jpeg.num_jpeg_inst * adev->jpeg.num_jpeg_rings;
717 			break;
718 		case AMD_IP_BLOCK_TYPE_VCN:
719 			count = adev->vcn.num_vcn_inst;
720 			break;
721 		case AMD_IP_BLOCK_TYPE_UVD:
722 			count = adev->uvd.num_uvd_inst;
723 			break;
724 		/* For all other IP block types not listed in the switch statement
725 		 * the ip status is valid here and the instance count is one.
726 		 */
727 		default:
728 			count = 1;
729 			break;
730 		}
731 
732 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
733 	}
734 	case AMDGPU_INFO_TIMESTAMP:
735 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
736 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
737 	case AMDGPU_INFO_FW_VERSION: {
738 		struct drm_amdgpu_info_firmware fw_info;
739 
740 		/* We only support one instance of each IP block right now. */
741 		if (info->query_fw.ip_instance != 0)
742 			return -EINVAL;
743 
744 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
745 		if (ret)
746 			return ret;
747 
748 		return copy_to_user(out, &fw_info,
749 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
750 	}
751 	case AMDGPU_INFO_NUM_BYTES_MOVED:
752 		ui64 = atomic64_read(&adev->num_bytes_moved);
753 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
754 	case AMDGPU_INFO_NUM_EVICTIONS:
755 		ui64 = atomic64_read(&adev->num_evictions);
756 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
757 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
758 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
759 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
760 	case AMDGPU_INFO_VRAM_USAGE:
761 		ui64 = ttm_resource_manager_usage(&adev->mman.vram_mgr.manager);
762 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
763 	case AMDGPU_INFO_VIS_VRAM_USAGE:
764 		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
765 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
766 	case AMDGPU_INFO_GTT_USAGE:
767 		ui64 = ttm_resource_manager_usage(&adev->mman.gtt_mgr.manager);
768 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
769 	case AMDGPU_INFO_GDS_CONFIG: {
770 		struct drm_amdgpu_info_gds gds_info;
771 
772 		memset(&gds_info, 0, sizeof(gds_info));
773 		gds_info.compute_partition_size = adev->gds.gds_size;
774 		gds_info.gds_total_size = adev->gds.gds_size;
775 		gds_info.gws_per_compute_partition = adev->gds.gws_size;
776 		gds_info.oa_per_compute_partition = adev->gds.oa_size;
777 		return copy_to_user(out, &gds_info,
778 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
779 	}
780 	case AMDGPU_INFO_VRAM_GTT: {
781 		struct drm_amdgpu_info_vram_gtt vram_gtt;
782 
783 		vram_gtt.vram_size = adev->gmc.real_vram_size -
784 			atomic64_read(&adev->vram_pin_size) -
785 			AMDGPU_VM_RESERVED_VRAM;
786 		vram_gtt.vram_cpu_accessible_size =
787 			min(adev->gmc.visible_vram_size -
788 			    atomic64_read(&adev->visible_pin_size),
789 			    vram_gtt.vram_size);
790 		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
791 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
792 		return copy_to_user(out, &vram_gtt,
793 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
794 	}
795 	case AMDGPU_INFO_MEMORY: {
796 		struct drm_amdgpu_memory_info mem;
797 		struct ttm_resource_manager *gtt_man =
798 			&adev->mman.gtt_mgr.manager;
799 		struct ttm_resource_manager *vram_man =
800 			&adev->mman.vram_mgr.manager;
801 
802 		memset(&mem, 0, sizeof(mem));
803 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
804 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
805 			atomic64_read(&adev->vram_pin_size) -
806 			AMDGPU_VM_RESERVED_VRAM;
807 		mem.vram.heap_usage =
808 			ttm_resource_manager_usage(vram_man);
809 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
810 
811 		mem.cpu_accessible_vram.total_heap_size =
812 			adev->gmc.visible_vram_size;
813 		mem.cpu_accessible_vram.usable_heap_size =
814 			min(adev->gmc.visible_vram_size -
815 			    atomic64_read(&adev->visible_pin_size),
816 			    mem.vram.usable_heap_size);
817 		mem.cpu_accessible_vram.heap_usage =
818 			amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
819 		mem.cpu_accessible_vram.max_allocation =
820 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
821 
822 		mem.gtt.total_heap_size = gtt_man->size;
823 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
824 			atomic64_read(&adev->gart_pin_size);
825 		mem.gtt.heap_usage = ttm_resource_manager_usage(gtt_man);
826 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
827 
828 		return copy_to_user(out, &mem,
829 				    min((size_t)size, sizeof(mem)))
830 				    ? -EFAULT : 0;
831 	}
832 	case AMDGPU_INFO_READ_MMR_REG: {
833 		int ret = 0;
834 		unsigned int n, alloc_size;
835 		uint32_t *regs;
836 		unsigned int se_num = (info->read_mmr_reg.instance >>
837 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
838 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
839 		unsigned int sh_num = (info->read_mmr_reg.instance >>
840 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
841 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
842 
843 		if (!down_read_trylock(&adev->reset_domain->sem))
844 			return -ENOENT;
845 
846 		/* set full masks if the userspace set all bits
847 		 * in the bitfields
848 		 */
849 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK) {
850 			se_num = 0xffffffff;
851 		} else if (se_num >= AMDGPU_GFX_MAX_SE) {
852 			ret = -EINVAL;
853 			goto out;
854 		}
855 
856 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK) {
857 			sh_num = 0xffffffff;
858 		} else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE) {
859 			ret = -EINVAL;
860 			goto out;
861 		}
862 
863 		if (info->read_mmr_reg.count > 128) {
864 			ret = -EINVAL;
865 			goto out;
866 		}
867 
868 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
869 		if (!regs) {
870 			ret = -ENOMEM;
871 			goto out;
872 		}
873 
874 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
875 
876 		amdgpu_gfx_off_ctrl(adev, false);
877 		for (i = 0; i < info->read_mmr_reg.count; i++) {
878 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
879 						      info->read_mmr_reg.dword_offset + i,
880 						      &regs[i])) {
881 				DRM_DEBUG_KMS("unallowed offset %#x\n",
882 					      info->read_mmr_reg.dword_offset + i);
883 				kfree(regs);
884 				amdgpu_gfx_off_ctrl(adev, true);
885 				ret = -EFAULT;
886 				goto out;
887 			}
888 		}
889 		amdgpu_gfx_off_ctrl(adev, true);
890 		n = copy_to_user(out, regs, min(size, alloc_size));
891 		kfree(regs);
892 		ret = (n ? -EFAULT : 0);
893 out:
894 		up_read(&adev->reset_domain->sem);
895 		return ret;
896 	}
897 	case AMDGPU_INFO_DEV_INFO: {
898 		struct drm_amdgpu_info_device *dev_info;
899 		uint64_t vm_size;
900 		uint32_t pcie_gen_mask, pcie_width_mask;
901 
902 		dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
903 		if (!dev_info)
904 			return -ENOMEM;
905 
906 		dev_info->device_id = adev->pdev->device;
907 		dev_info->chip_rev = adev->rev_id;
908 		dev_info->external_rev = adev->external_rev_id;
909 		dev_info->pci_rev = adev->pdev->revision;
910 		dev_info->family = adev->family;
911 		dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
912 		dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
913 		/* return all clocks in KHz */
914 		dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
915 		if (adev->pm.dpm_enabled) {
916 			dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
917 			dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
918 			dev_info->min_engine_clock = amdgpu_dpm_get_sclk(adev, true) * 10;
919 			dev_info->min_memory_clock = amdgpu_dpm_get_mclk(adev, true) * 10;
920 		} else {
921 			dev_info->max_engine_clock =
922 				dev_info->min_engine_clock =
923 					adev->clock.default_sclk * 10;
924 			dev_info->max_memory_clock =
925 				dev_info->min_memory_clock =
926 					adev->clock.default_mclk * 10;
927 		}
928 		dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
929 		dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
930 			adev->gfx.config.max_shader_engines;
931 		dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
932 		dev_info->ids_flags = 0;
933 		if (adev->flags & AMD_IS_APU)
934 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
935 		if (adev->gfx.mcbp)
936 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
937 		if (amdgpu_is_tmz(adev))
938 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
939 		if (adev->gfx.config.ta_cntl2_truncate_coord_mode)
940 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD;
941 
942 		/* Gang submit is not supported under SRIOV currently */
943 		if (!amdgpu_sriov_vf(adev))
944 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_GANG_SUBMIT;
945 
946 		if (amdgpu_passthrough(adev))
947 			dev_info->ids_flags |= (AMDGPU_IDS_FLAGS_MODE_PT <<
948 						AMDGPU_IDS_FLAGS_MODE_SHIFT) &
949 						AMDGPU_IDS_FLAGS_MODE_MASK;
950 		else if (amdgpu_sriov_vf(adev))
951 			dev_info->ids_flags |= (AMDGPU_IDS_FLAGS_MODE_VF <<
952 						AMDGPU_IDS_FLAGS_MODE_SHIFT) &
953 						AMDGPU_IDS_FLAGS_MODE_MASK;
954 
955 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
956 		vm_size -= AMDGPU_VA_RESERVED_TOP;
957 
958 		/* Older VCE FW versions are buggy and can handle only 40bits */
959 		if (adev->vce.fw_version &&
960 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
961 			vm_size = min(vm_size, 1ULL << 40);
962 
963 		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_BOTTOM;
964 		dev_info->virtual_address_max =
965 			min(vm_size, AMDGPU_GMC_HOLE_START);
966 
967 		if (vm_size > AMDGPU_GMC_HOLE_START) {
968 			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
969 			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
970 		}
971 		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
972 		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
973 		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
974 		dev_info->cu_active_number = adev->gfx.cu_info.number;
975 		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
976 		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
977 		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
978 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
979 		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
980 		       sizeof(dev_info->cu_bitmap));
981 		dev_info->vram_type = adev->gmc.vram_type;
982 		dev_info->vram_bit_width = adev->gmc.vram_width;
983 		dev_info->vce_harvest_config = adev->vce.harvest_config;
984 		dev_info->gc_double_offchip_lds_buf =
985 			adev->gfx.config.double_offchip_lds_buf;
986 		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
987 		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
988 		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
989 		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
990 		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
991 		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
992 		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
993 
994 		if (adev->family >= AMDGPU_FAMILY_NV)
995 			dev_info->pa_sc_tile_steering_override =
996 				adev->gfx.config.pa_sc_tile_steering_override;
997 
998 		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
999 
1000 		/* Combine the chip gen mask with the platform (CPU/mobo) mask. */
1001 		pcie_gen_mask = adev->pm.pcie_gen_mask &
1002 			(adev->pm.pcie_gen_mask >> CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT);
1003 		pcie_width_mask = adev->pm.pcie_mlw_mask &
1004 			(adev->pm.pcie_mlw_mask >> CAIL_PCIE_LINK_WIDTH_SUPPORT_SHIFT);
1005 		dev_info->pcie_gen = fls(pcie_gen_mask);
1006 		dev_info->pcie_num_lanes =
1007 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X32 ? 32 :
1008 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X16 ? 16 :
1009 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X12 ? 12 :
1010 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X8 ? 8 :
1011 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X4 ? 4 :
1012 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X2 ? 2 : 1;
1013 
1014 		dev_info->tcp_cache_size = adev->gfx.config.gc_tcp_l1_size;
1015 		dev_info->num_sqc_per_wgp = adev->gfx.config.gc_num_sqc_per_wgp;
1016 		dev_info->sqc_data_cache_size = adev->gfx.config.gc_l1_data_cache_size_per_sqc;
1017 		dev_info->sqc_inst_cache_size = adev->gfx.config.gc_l1_instruction_cache_size_per_sqc;
1018 		dev_info->gl1c_cache_size = adev->gfx.config.gc_gl1c_size_per_instance *
1019 					    adev->gfx.config.gc_gl1c_per_sa;
1020 		dev_info->gl2c_cache_size = adev->gfx.config.gc_gl2c_per_gpu;
1021 		dev_info->mall_size = adev->gmc.mall_size;
1022 
1023 
1024 		if (adev->gfx.funcs->get_gfx_shadow_info) {
1025 			struct amdgpu_gfx_shadow_info shadow_info;
1026 
1027 			ret = amdgpu_gfx_get_gfx_shadow_info(adev, &shadow_info);
1028 			if (!ret) {
1029 				dev_info->shadow_size = shadow_info.shadow_size;
1030 				dev_info->shadow_alignment = shadow_info.shadow_alignment;
1031 				dev_info->csa_size = shadow_info.csa_size;
1032 				dev_info->csa_alignment = shadow_info.csa_alignment;
1033 			}
1034 		}
1035 
1036 		dev_info->userq_ip_mask = amdgpu_userq_get_supported_ip_mask(adev);
1037 
1038 		ret = copy_to_user(out, dev_info,
1039 				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
1040 		kfree(dev_info);
1041 		return ret;
1042 	}
1043 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
1044 		unsigned int i;
1045 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
1046 		struct amd_vce_state *vce_state;
1047 
1048 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
1049 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
1050 			if (vce_state) {
1051 				vce_clk_table.entries[i].sclk = vce_state->sclk;
1052 				vce_clk_table.entries[i].mclk = vce_state->mclk;
1053 				vce_clk_table.entries[i].eclk = vce_state->evclk;
1054 				vce_clk_table.num_valid_entries++;
1055 			}
1056 		}
1057 
1058 		return copy_to_user(out, &vce_clk_table,
1059 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
1060 	}
1061 	case AMDGPU_INFO_VBIOS: {
1062 		uint32_t bios_size = adev->bios_size;
1063 
1064 		switch (info->vbios_info.type) {
1065 		case AMDGPU_INFO_VBIOS_SIZE:
1066 			return copy_to_user(out, &bios_size,
1067 					min((size_t)size, sizeof(bios_size)))
1068 					? -EFAULT : 0;
1069 		case AMDGPU_INFO_VBIOS_IMAGE: {
1070 			uint8_t *bios;
1071 			uint32_t bios_offset = info->vbios_info.offset;
1072 
1073 			if (bios_offset >= bios_size)
1074 				return -EINVAL;
1075 
1076 			bios = adev->bios + bios_offset;
1077 			return copy_to_user(out, bios,
1078 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
1079 					? -EFAULT : 0;
1080 		}
1081 		case AMDGPU_INFO_VBIOS_INFO: {
1082 			struct drm_amdgpu_info_vbios vbios_info = {};
1083 			struct atom_context *atom_context;
1084 
1085 			atom_context = adev->mode_info.atom_context;
1086 			if (atom_context) {
1087 				memcpy(vbios_info.name, atom_context->name,
1088 				       sizeof(atom_context->name));
1089 				memcpy(vbios_info.vbios_pn, atom_context->vbios_pn,
1090 				       sizeof(atom_context->vbios_pn));
1091 				vbios_info.version = atom_context->version;
1092 				memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
1093 				       sizeof(atom_context->vbios_ver_str));
1094 				memcpy(vbios_info.date, atom_context->date,
1095 				       sizeof(atom_context->date));
1096 			}
1097 
1098 			return copy_to_user(out, &vbios_info,
1099 						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
1100 		}
1101 		default:
1102 			DRM_DEBUG_KMS("Invalid request %d\n",
1103 					info->vbios_info.type);
1104 			return -EINVAL;
1105 		}
1106 	}
1107 	case AMDGPU_INFO_NUM_HANDLES: {
1108 		struct drm_amdgpu_info_num_handles handle;
1109 
1110 		switch (info->query_hw_ip.type) {
1111 		case AMDGPU_HW_IP_UVD:
1112 			/* Starting Polaris, we support unlimited UVD handles */
1113 			if (adev->asic_type < CHIP_POLARIS10) {
1114 				handle.uvd_max_handles = adev->uvd.max_handles;
1115 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
1116 
1117 				return copy_to_user(out, &handle,
1118 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
1119 			} else {
1120 				return -ENODATA;
1121 			}
1122 
1123 			break;
1124 		default:
1125 			return -EINVAL;
1126 		}
1127 	}
1128 	case AMDGPU_INFO_SENSOR: {
1129 		if (!adev->pm.dpm_enabled)
1130 			return -ENOENT;
1131 
1132 		switch (info->sensor_info.type) {
1133 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
1134 			/* get sclk in Mhz */
1135 			if (amdgpu_dpm_read_sensor(adev,
1136 						   AMDGPU_PP_SENSOR_GFX_SCLK,
1137 						   (void *)&ui32, &ui32_size)) {
1138 				return -EINVAL;
1139 			}
1140 			ui32 /= 100;
1141 			break;
1142 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
1143 			/* get mclk in Mhz */
1144 			if (amdgpu_dpm_read_sensor(adev,
1145 						   AMDGPU_PP_SENSOR_GFX_MCLK,
1146 						   (void *)&ui32, &ui32_size)) {
1147 				return -EINVAL;
1148 			}
1149 			ui32 /= 100;
1150 			break;
1151 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
1152 			/* get temperature in millidegrees C */
1153 			if (amdgpu_dpm_read_sensor(adev,
1154 						   AMDGPU_PP_SENSOR_GPU_TEMP,
1155 						   (void *)&ui32, &ui32_size)) {
1156 				return -EINVAL;
1157 			}
1158 			break;
1159 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
1160 			/* get GPU load */
1161 			if (amdgpu_dpm_read_sensor(adev,
1162 						   AMDGPU_PP_SENSOR_GPU_LOAD,
1163 						   (void *)&ui32, &ui32_size)) {
1164 				return -EINVAL;
1165 			}
1166 			break;
1167 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
1168 			/* get average GPU power */
1169 			if (amdgpu_dpm_read_sensor(adev,
1170 						   AMDGPU_PP_SENSOR_GPU_AVG_POWER,
1171 						   (void *)&ui32, &ui32_size)) {
1172 				/* fall back to input power for backwards compat */
1173 				if (amdgpu_dpm_read_sensor(adev,
1174 							   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1175 							   (void *)&ui32, &ui32_size)) {
1176 					return -EINVAL;
1177 				}
1178 			}
1179 			ui32 >>= 8;
1180 			break;
1181 		case AMDGPU_INFO_SENSOR_GPU_INPUT_POWER:
1182 			/* get input GPU power */
1183 			if (amdgpu_dpm_read_sensor(adev,
1184 						   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1185 						   (void *)&ui32, &ui32_size)) {
1186 				return -EINVAL;
1187 			}
1188 			ui32 >>= 8;
1189 			break;
1190 		case AMDGPU_INFO_SENSOR_VDDNB:
1191 			/* get VDDNB in millivolts */
1192 			if (amdgpu_dpm_read_sensor(adev,
1193 						   AMDGPU_PP_SENSOR_VDDNB,
1194 						   (void *)&ui32, &ui32_size)) {
1195 				return -EINVAL;
1196 			}
1197 			break;
1198 		case AMDGPU_INFO_SENSOR_VDDGFX:
1199 			/* get VDDGFX in millivolts */
1200 			if (amdgpu_dpm_read_sensor(adev,
1201 						   AMDGPU_PP_SENSOR_VDDGFX,
1202 						   (void *)&ui32, &ui32_size)) {
1203 				return -EINVAL;
1204 			}
1205 			break;
1206 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1207 			/* get stable pstate sclk in Mhz */
1208 			if (amdgpu_dpm_read_sensor(adev,
1209 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1210 						   (void *)&ui32, &ui32_size)) {
1211 				return -EINVAL;
1212 			}
1213 			ui32 /= 100;
1214 			break;
1215 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1216 			/* get stable pstate mclk in Mhz */
1217 			if (amdgpu_dpm_read_sensor(adev,
1218 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1219 						   (void *)&ui32, &ui32_size)) {
1220 				return -EINVAL;
1221 			}
1222 			ui32 /= 100;
1223 			break;
1224 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK:
1225 			/* get peak pstate sclk in Mhz */
1226 			if (amdgpu_dpm_read_sensor(adev,
1227 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK,
1228 						   (void *)&ui32, &ui32_size)) {
1229 				return -EINVAL;
1230 			}
1231 			ui32 /= 100;
1232 			break;
1233 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK:
1234 			/* get peak pstate mclk in Mhz */
1235 			if (amdgpu_dpm_read_sensor(adev,
1236 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK,
1237 						   (void *)&ui32, &ui32_size)) {
1238 				return -EINVAL;
1239 			}
1240 			ui32 /= 100;
1241 			break;
1242 		default:
1243 			DRM_DEBUG_KMS("Invalid request %d\n",
1244 				      info->sensor_info.type);
1245 			return -EINVAL;
1246 		}
1247 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1248 	}
1249 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
1250 		ui32 = atomic_read(&adev->vram_lost_counter);
1251 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1252 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1253 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1254 		uint64_t ras_mask;
1255 
1256 		if (!ras)
1257 			return -EINVAL;
1258 		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1259 
1260 		return copy_to_user(out, &ras_mask,
1261 				min_t(u64, size, sizeof(ras_mask))) ?
1262 			-EFAULT : 0;
1263 	}
1264 	case AMDGPU_INFO_VIDEO_CAPS: {
1265 		const struct amdgpu_video_codecs *codecs;
1266 		struct drm_amdgpu_info_video_caps *caps;
1267 		int r;
1268 
1269 		if (!adev->asic_funcs->query_video_codecs)
1270 			return -EINVAL;
1271 
1272 		switch (info->video_cap.type) {
1273 		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1274 			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1275 			if (r)
1276 				return -EINVAL;
1277 			break;
1278 		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1279 			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1280 			if (r)
1281 				return -EINVAL;
1282 			break;
1283 		default:
1284 			DRM_DEBUG_KMS("Invalid request %d\n",
1285 				      info->video_cap.type);
1286 			return -EINVAL;
1287 		}
1288 
1289 		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1290 		if (!caps)
1291 			return -ENOMEM;
1292 
1293 		for (i = 0; i < codecs->codec_count; i++) {
1294 			int idx = codecs->codec_array[i].codec_type;
1295 
1296 			switch (idx) {
1297 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1298 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1299 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1300 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1301 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1302 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1303 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1304 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1305 				caps->codec_info[idx].valid = 1;
1306 				caps->codec_info[idx].max_width =
1307 					codecs->codec_array[i].max_width;
1308 				caps->codec_info[idx].max_height =
1309 					codecs->codec_array[i].max_height;
1310 				caps->codec_info[idx].max_pixels_per_frame =
1311 					codecs->codec_array[i].max_pixels_per_frame;
1312 				caps->codec_info[idx].max_level =
1313 					codecs->codec_array[i].max_level;
1314 				break;
1315 			default:
1316 				break;
1317 			}
1318 		}
1319 		r = copy_to_user(out, caps,
1320 				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1321 		kfree(caps);
1322 		return r;
1323 	}
1324 	case AMDGPU_INFO_MAX_IBS: {
1325 		uint32_t max_ibs[AMDGPU_HW_IP_NUM];
1326 
1327 		for (i = 0; i < AMDGPU_HW_IP_NUM; ++i)
1328 			max_ibs[i] = amdgpu_ring_max_ibs(i);
1329 
1330 		return copy_to_user(out, max_ibs,
1331 				    min((size_t)size, sizeof(max_ibs))) ? -EFAULT : 0;
1332 	}
1333 	case AMDGPU_INFO_GPUVM_FAULT: {
1334 		struct amdgpu_fpriv *fpriv = filp->driver_priv;
1335 		struct amdgpu_vm *vm = &fpriv->vm;
1336 		struct drm_amdgpu_info_gpuvm_fault gpuvm_fault;
1337 		unsigned long flags;
1338 
1339 		if (!vm)
1340 			return -EINVAL;
1341 
1342 		memset(&gpuvm_fault, 0, sizeof(gpuvm_fault));
1343 
1344 		xa_lock_irqsave(&adev->vm_manager.pasids, flags);
1345 		gpuvm_fault.addr = vm->fault_info.addr;
1346 		gpuvm_fault.status = vm->fault_info.status;
1347 		gpuvm_fault.vmhub = vm->fault_info.vmhub;
1348 		xa_unlock_irqrestore(&adev->vm_manager.pasids, flags);
1349 
1350 		return copy_to_user(out, &gpuvm_fault,
1351 				    min((size_t)size, sizeof(gpuvm_fault))) ? -EFAULT : 0;
1352 	}
1353 	case AMDGPU_INFO_UQ_FW_AREAS: {
1354 		struct drm_amdgpu_info_uq_metadata meta_info = {};
1355 
1356 		switch (info->query_hw_ip.type) {
1357 		case AMDGPU_HW_IP_GFX:
1358 			ret = amdgpu_userq_metadata_info_gfx(adev, info, &meta_info.gfx);
1359 			if (ret)
1360 				return ret;
1361 
1362 			ret = copy_to_user(out, &meta_info,
1363 						min((size_t)size, sizeof(meta_info))) ? -EFAULT : 0;
1364 			return 0;
1365 		default:
1366 			return -EINVAL;
1367 		}
1368 	}
1369 	default:
1370 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1371 		return -EINVAL;
1372 	}
1373 	return 0;
1374 }
1375 
1376 /**
1377  * amdgpu_driver_open_kms - drm callback for open
1378  *
1379  * @dev: drm dev pointer
1380  * @file_priv: drm file
1381  *
1382  * On device open, init vm on cayman+ (all asics).
1383  * Returns 0 on success, error on failure.
1384  */
1385 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1386 {
1387 	struct amdgpu_device *adev = drm_to_adev(dev);
1388 	struct amdgpu_fpriv *fpriv;
1389 	int r, pasid;
1390 
1391 	/* Ensure IB tests are run on ring */
1392 	flush_delayed_work(&adev->delayed_init_work);
1393 
1394 
1395 	if (amdgpu_ras_intr_triggered()) {
1396 		DRM_ERROR("RAS Intr triggered, device disabled!!");
1397 		return -EHWPOISON;
1398 	}
1399 
1400 	file_priv->driver_priv = NULL;
1401 
1402 	r = pm_runtime_get_sync(dev->dev);
1403 	if (r < 0)
1404 		goto pm_put;
1405 
1406 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1407 	if (unlikely(!fpriv)) {
1408 		r = -ENOMEM;
1409 		goto out_suspend;
1410 	}
1411 
1412 	pasid = amdgpu_pasid_alloc(16);
1413 	if (pasid < 0) {
1414 		dev_warn(adev->dev, "No more PASIDs available!");
1415 		pasid = 0;
1416 	}
1417 
1418 	r = amdgpu_xcp_open_device(adev, fpriv, file_priv);
1419 	if (r)
1420 		goto error_pasid;
1421 
1422 	amdgpu_debugfs_vm_init(file_priv);
1423 
1424 	r = amdgpu_vm_init(adev, &fpriv->vm, fpriv->xcp_id, pasid);
1425 	if (r)
1426 		goto error_pasid;
1427 
1428 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1429 	if (!fpriv->prt_va) {
1430 		r = -ENOMEM;
1431 		goto error_vm;
1432 	}
1433 
1434 	if (adev->gfx.mcbp) {
1435 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1436 
1437 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1438 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1439 		if (r)
1440 			goto error_vm;
1441 	}
1442 
1443 	r = amdgpu_seq64_map(adev, &fpriv->vm, &fpriv->seq64_va);
1444 	if (r)
1445 		goto error_vm;
1446 
1447 	mutex_init(&fpriv->bo_list_lock);
1448 	idr_init_base(&fpriv->bo_list_handles, 1);
1449 
1450 	r = amdgpu_userq_mgr_init(&fpriv->userq_mgr, file_priv, adev);
1451 	if (r)
1452 		DRM_WARN("Can't setup usermode queues, use legacy workload submission only\n");
1453 
1454 	r = amdgpu_eviction_fence_init(&fpriv->evf_mgr);
1455 	if (r)
1456 		goto error_vm;
1457 
1458 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr, adev);
1459 
1460 	file_priv->driver_priv = fpriv;
1461 	goto out_suspend;
1462 
1463 error_vm:
1464 	amdgpu_vm_fini(adev, &fpriv->vm);
1465 
1466 error_pasid:
1467 	if (pasid)
1468 		amdgpu_pasid_free(pasid);
1469 
1470 	kfree(fpriv);
1471 
1472 out_suspend:
1473 	pm_runtime_mark_last_busy(dev->dev);
1474 pm_put:
1475 	pm_runtime_put_autosuspend(dev->dev);
1476 
1477 	return r;
1478 }
1479 
1480 /**
1481  * amdgpu_driver_postclose_kms - drm callback for post close
1482  *
1483  * @dev: drm dev pointer
1484  * @file_priv: drm file
1485  *
1486  * On device post close, tear down vm on cayman+ (all asics).
1487  */
1488 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1489 				 struct drm_file *file_priv)
1490 {
1491 	struct amdgpu_device *adev = drm_to_adev(dev);
1492 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1493 	struct amdgpu_bo_list *list;
1494 	struct amdgpu_bo *pd;
1495 	u32 pasid;
1496 	int handle;
1497 
1498 	if (!fpriv)
1499 		return;
1500 
1501 	pm_runtime_get_sync(dev->dev);
1502 
1503 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1504 		amdgpu_uvd_free_handles(adev, file_priv);
1505 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1506 		amdgpu_vce_free_handles(adev, file_priv);
1507 
1508 	if (fpriv->csa_va) {
1509 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1510 
1511 		WARN_ON(amdgpu_unmap_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1512 						fpriv->csa_va, csa_addr));
1513 		fpriv->csa_va = NULL;
1514 	}
1515 
1516 	amdgpu_seq64_unmap(adev, fpriv);
1517 
1518 	pasid = fpriv->vm.pasid;
1519 	pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1520 	if (!WARN_ON(amdgpu_bo_reserve(pd, true))) {
1521 		amdgpu_vm_bo_del(adev, fpriv->prt_va);
1522 		amdgpu_bo_unreserve(pd);
1523 	}
1524 
1525 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1526 	amdgpu_vm_fini(adev, &fpriv->vm);
1527 
1528 	if (pasid)
1529 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1530 	amdgpu_bo_unref(&pd);
1531 
1532 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1533 		amdgpu_bo_list_put(list);
1534 
1535 	idr_destroy(&fpriv->bo_list_handles);
1536 	mutex_destroy(&fpriv->bo_list_lock);
1537 
1538 	kfree(fpriv);
1539 	file_priv->driver_priv = NULL;
1540 
1541 	pm_runtime_mark_last_busy(dev->dev);
1542 	pm_runtime_put_autosuspend(dev->dev);
1543 }
1544 
1545 
1546 void amdgpu_driver_release_kms(struct drm_device *dev)
1547 {
1548 	struct amdgpu_device *adev = drm_to_adev(dev);
1549 
1550 	amdgpu_device_fini_sw(adev);
1551 	pci_set_drvdata(adev->pdev, NULL);
1552 }
1553 
1554 /*
1555  * VBlank related functions.
1556  */
1557 /**
1558  * amdgpu_get_vblank_counter_kms - get frame count
1559  *
1560  * @crtc: crtc to get the frame count from
1561  *
1562  * Gets the frame count on the requested crtc (all asics).
1563  * Returns frame count on success, -EINVAL on failure.
1564  */
1565 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1566 {
1567 	struct drm_device *dev = crtc->dev;
1568 	unsigned int pipe = crtc->index;
1569 	struct amdgpu_device *adev = drm_to_adev(dev);
1570 	int vpos, hpos, stat;
1571 	u32 count;
1572 
1573 	if (pipe >= adev->mode_info.num_crtc) {
1574 		DRM_ERROR("Invalid crtc %u\n", pipe);
1575 		return -EINVAL;
1576 	}
1577 
1578 	/* The hw increments its frame counter at start of vsync, not at start
1579 	 * of vblank, as is required by DRM core vblank counter handling.
1580 	 * Cook the hw count here to make it appear to the caller as if it
1581 	 * incremented at start of vblank. We measure distance to start of
1582 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1583 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1584 	 * result by 1 to give the proper appearance to caller.
1585 	 */
1586 	if (adev->mode_info.crtcs[pipe]) {
1587 		/* Repeat readout if needed to provide stable result if
1588 		 * we cross start of vsync during the queries.
1589 		 */
1590 		do {
1591 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1592 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1593 			 * vpos as distance to start of vblank, instead of
1594 			 * regular vertical scanout pos.
1595 			 */
1596 			stat = amdgpu_display_get_crtc_scanoutpos(
1597 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1598 				&vpos, &hpos, NULL, NULL,
1599 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1600 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1601 
1602 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1603 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1604 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1605 		} else {
1606 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1607 				      pipe, vpos);
1608 
1609 			/* Bump counter if we are at >= leading edge of vblank,
1610 			 * but before vsync where vpos would turn negative and
1611 			 * the hw counter really increments.
1612 			 */
1613 			if (vpos >= 0)
1614 				count++;
1615 		}
1616 	} else {
1617 		/* Fallback to use value as is. */
1618 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1619 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1620 	}
1621 
1622 	return count;
1623 }
1624 
1625 /**
1626  * amdgpu_enable_vblank_kms - enable vblank interrupt
1627  *
1628  * @crtc: crtc to enable vblank interrupt for
1629  *
1630  * Enable the interrupt on the requested crtc (all asics).
1631  * Returns 0 on success, -EINVAL on failure.
1632  */
1633 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1634 {
1635 	struct drm_device *dev = crtc->dev;
1636 	unsigned int pipe = crtc->index;
1637 	struct amdgpu_device *adev = drm_to_adev(dev);
1638 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1639 
1640 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1641 }
1642 
1643 /**
1644  * amdgpu_disable_vblank_kms - disable vblank interrupt
1645  *
1646  * @crtc: crtc to disable vblank interrupt for
1647  *
1648  * Disable the interrupt on the requested crtc (all asics).
1649  */
1650 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1651 {
1652 	struct drm_device *dev = crtc->dev;
1653 	unsigned int pipe = crtc->index;
1654 	struct amdgpu_device *adev = drm_to_adev(dev);
1655 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1656 
1657 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1658 }
1659 
1660 /*
1661  * Debugfs info
1662  */
1663 #if defined(CONFIG_DEBUG_FS)
1664 
1665 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1666 {
1667 	struct amdgpu_device *adev = m->private;
1668 	struct drm_amdgpu_info_firmware fw_info;
1669 	struct drm_amdgpu_query_fw query_fw;
1670 	struct atom_context *ctx = adev->mode_info.atom_context;
1671 	uint8_t smu_program, smu_major, smu_minor, smu_debug;
1672 	int ret, i;
1673 
1674 	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1675 #define TA_FW_NAME(type)[TA_FW_TYPE_PSP_##type] = #type
1676 		TA_FW_NAME(XGMI),
1677 		TA_FW_NAME(RAS),
1678 		TA_FW_NAME(HDCP),
1679 		TA_FW_NAME(DTM),
1680 		TA_FW_NAME(RAP),
1681 		TA_FW_NAME(SECUREDISPLAY),
1682 #undef TA_FW_NAME
1683 	};
1684 
1685 	/* VCE */
1686 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1687 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1688 	if (ret)
1689 		return ret;
1690 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1691 		   fw_info.feature, fw_info.ver);
1692 
1693 	/* UVD */
1694 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1695 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1696 	if (ret)
1697 		return ret;
1698 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1699 		   fw_info.feature, fw_info.ver);
1700 
1701 	/* GMC */
1702 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1703 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1704 	if (ret)
1705 		return ret;
1706 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1707 		   fw_info.feature, fw_info.ver);
1708 
1709 	/* ME */
1710 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1711 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1712 	if (ret)
1713 		return ret;
1714 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1715 		   fw_info.feature, fw_info.ver);
1716 
1717 	/* PFP */
1718 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1719 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1720 	if (ret)
1721 		return ret;
1722 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1723 		   fw_info.feature, fw_info.ver);
1724 
1725 	/* CE */
1726 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1727 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1728 	if (ret)
1729 		return ret;
1730 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1731 		   fw_info.feature, fw_info.ver);
1732 
1733 	/* RLC */
1734 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1735 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1736 	if (ret)
1737 		return ret;
1738 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1739 		   fw_info.feature, fw_info.ver);
1740 
1741 	/* RLC SAVE RESTORE LIST CNTL */
1742 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1743 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1744 	if (ret)
1745 		return ret;
1746 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1747 		   fw_info.feature, fw_info.ver);
1748 
1749 	/* RLC SAVE RESTORE LIST GPM MEM */
1750 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1751 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1752 	if (ret)
1753 		return ret;
1754 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1755 		   fw_info.feature, fw_info.ver);
1756 
1757 	/* RLC SAVE RESTORE LIST SRM MEM */
1758 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1759 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1760 	if (ret)
1761 		return ret;
1762 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1763 		   fw_info.feature, fw_info.ver);
1764 
1765 	/* RLCP */
1766 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCP;
1767 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1768 	if (ret)
1769 		return ret;
1770 	seq_printf(m, "RLCP feature version: %u, firmware version: 0x%08x\n",
1771 		   fw_info.feature, fw_info.ver);
1772 
1773 	/* RLCV */
1774 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCV;
1775 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1776 	if (ret)
1777 		return ret;
1778 	seq_printf(m, "RLCV feature version: %u, firmware version: 0x%08x\n",
1779 		   fw_info.feature, fw_info.ver);
1780 
1781 	/* MEC */
1782 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1783 	query_fw.index = 0;
1784 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1785 	if (ret)
1786 		return ret;
1787 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1788 		   fw_info.feature, fw_info.ver);
1789 
1790 	/* MEC2 */
1791 	if (adev->gfx.mec2_fw) {
1792 		query_fw.index = 1;
1793 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1794 		if (ret)
1795 			return ret;
1796 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1797 			   fw_info.feature, fw_info.ver);
1798 	}
1799 
1800 	/* IMU */
1801 	query_fw.fw_type = AMDGPU_INFO_FW_IMU;
1802 	query_fw.index = 0;
1803 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1804 	if (ret)
1805 		return ret;
1806 	seq_printf(m, "IMU feature version: %u, firmware version: 0x%08x\n",
1807 		   fw_info.feature, fw_info.ver);
1808 
1809 	/* PSP SOS */
1810 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1811 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1812 	if (ret)
1813 		return ret;
1814 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1815 		   fw_info.feature, fw_info.ver);
1816 
1817 
1818 	/* PSP ASD */
1819 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1820 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1821 	if (ret)
1822 		return ret;
1823 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1824 		   fw_info.feature, fw_info.ver);
1825 
1826 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1827 	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1828 		query_fw.index = i;
1829 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1830 		if (ret)
1831 			continue;
1832 
1833 		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1834 			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1835 	}
1836 
1837 	/* SMC */
1838 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1839 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1840 	if (ret)
1841 		return ret;
1842 	smu_program = (fw_info.ver >> 24) & 0xff;
1843 	smu_major = (fw_info.ver >> 16) & 0xff;
1844 	smu_minor = (fw_info.ver >> 8) & 0xff;
1845 	smu_debug = (fw_info.ver >> 0) & 0xff;
1846 	seq_printf(m, "SMC feature version: %u, program: %d, firmware version: 0x%08x (%d.%d.%d)\n",
1847 		   fw_info.feature, smu_program, fw_info.ver, smu_major, smu_minor, smu_debug);
1848 
1849 	/* SDMA */
1850 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1851 	for (i = 0; i < adev->sdma.num_instances; i++) {
1852 		query_fw.index = i;
1853 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1854 		if (ret)
1855 			return ret;
1856 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1857 			   i, fw_info.feature, fw_info.ver);
1858 	}
1859 
1860 	/* VCN */
1861 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1862 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1863 	if (ret)
1864 		return ret;
1865 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1866 		   fw_info.feature, fw_info.ver);
1867 
1868 	/* DMCU */
1869 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1870 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1871 	if (ret)
1872 		return ret;
1873 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1874 		   fw_info.feature, fw_info.ver);
1875 
1876 	/* DMCUB */
1877 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1878 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1879 	if (ret)
1880 		return ret;
1881 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1882 		   fw_info.feature, fw_info.ver);
1883 
1884 	/* TOC */
1885 	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1886 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1887 	if (ret)
1888 		return ret;
1889 	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1890 		   fw_info.feature, fw_info.ver);
1891 
1892 	/* CAP */
1893 	if (adev->psp.cap_fw) {
1894 		query_fw.fw_type = AMDGPU_INFO_FW_CAP;
1895 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1896 		if (ret)
1897 			return ret;
1898 		seq_printf(m, "CAP feature version: %u, firmware version: 0x%08x\n",
1899 				fw_info.feature, fw_info.ver);
1900 	}
1901 
1902 	/* MES_KIQ */
1903 	query_fw.fw_type = AMDGPU_INFO_FW_MES_KIQ;
1904 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1905 	if (ret)
1906 		return ret;
1907 	seq_printf(m, "MES_KIQ feature version: %u, firmware version: 0x%08x\n",
1908 		   fw_info.feature, fw_info.ver);
1909 
1910 	/* MES */
1911 	query_fw.fw_type = AMDGPU_INFO_FW_MES;
1912 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1913 	if (ret)
1914 		return ret;
1915 	seq_printf(m, "MES feature version: %u, firmware version: 0x%08x\n",
1916 		   fw_info.feature, fw_info.ver);
1917 
1918 	/* VPE */
1919 	query_fw.fw_type = AMDGPU_INFO_FW_VPE;
1920 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1921 	if (ret)
1922 		return ret;
1923 	seq_printf(m, "VPE feature version: %u, firmware version: 0x%08x\n",
1924 		   fw_info.feature, fw_info.ver);
1925 
1926 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_pn);
1927 
1928 	return 0;
1929 }
1930 
1931 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1932 
1933 #endif
1934 
1935 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1936 {
1937 #if defined(CONFIG_DEBUG_FS)
1938 	struct drm_minor *minor = adev_to_drm(adev)->primary;
1939 	struct dentry *root = minor->debugfs_root;
1940 
1941 	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1942 			    adev, &amdgpu_debugfs_firmware_info_fops);
1943 
1944 #endif
1945 }
1946