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 "amdgpu_uvd.h"
33 #include "amdgpu_vce.h"
34 #include "atom.h"
35 
36 #include <linux/vga_switcheroo.h>
37 #include <linux/slab.h>
38 #include <linux/uaccess.h>
39 #include <linux/pci.h>
40 #include <linux/pm_runtime.h>
41 #include "amdgpu_amdkfd.h"
42 #include "amdgpu_gem.h"
43 #include "amdgpu_display.h"
44 #include "amdgpu_ras.h"
45 
46 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
47 {
48 	struct amdgpu_gpu_instance *gpu_instance;
49 	int i;
50 
51 	mutex_lock(&mgpu_info.mutex);
52 
53 	for (i = 0; i < mgpu_info.num_gpu; i++) {
54 		gpu_instance = &(mgpu_info.gpu_ins[i]);
55 		if (gpu_instance->adev == adev) {
56 			mgpu_info.gpu_ins[i] =
57 				mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
58 			mgpu_info.num_gpu--;
59 			if (adev->flags & AMD_IS_APU)
60 				mgpu_info.num_apu--;
61 			else
62 				mgpu_info.num_dgpu--;
63 			break;
64 		}
65 	}
66 
67 	mutex_unlock(&mgpu_info.mutex);
68 }
69 
70 /**
71  * amdgpu_driver_unload_kms - Main unload function for KMS.
72  *
73  * @dev: drm dev pointer
74  *
75  * This is the main unload function for KMS (all asics).
76  * Returns 0 on success.
77  */
78 void amdgpu_driver_unload_kms(struct drm_device *dev)
79 {
80 	struct amdgpu_device *adev = drm_to_adev(dev);
81 
82 	if (adev == NULL)
83 		return;
84 
85 	amdgpu_unregister_gpu_instance(adev);
86 
87 	if (adev->rmmio == NULL)
88 		return;
89 
90 	if (adev->runpm) {
91 		pm_runtime_get_sync(dev->dev);
92 		pm_runtime_forbid(dev->dev);
93 	}
94 
95 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
96 		DRM_WARN("smart shift update failed\n");
97 
98 	amdgpu_acpi_fini(adev);
99 	amdgpu_device_fini_hw(adev);
100 }
101 
102 void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
103 {
104 	struct amdgpu_gpu_instance *gpu_instance;
105 
106 	mutex_lock(&mgpu_info.mutex);
107 
108 	if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
109 		DRM_ERROR("Cannot register more gpu instance\n");
110 		mutex_unlock(&mgpu_info.mutex);
111 		return;
112 	}
113 
114 	gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
115 	gpu_instance->adev = adev;
116 	gpu_instance->mgpu_fan_enabled = 0;
117 
118 	mgpu_info.num_gpu++;
119 	if (adev->flags & AMD_IS_APU)
120 		mgpu_info.num_apu++;
121 	else
122 		mgpu_info.num_dgpu++;
123 
124 	mutex_unlock(&mgpu_info.mutex);
125 }
126 
127 static void amdgpu_get_audio_func(struct amdgpu_device *adev)
128 {
129 	struct pci_dev *p = NULL;
130 
131 	p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus),
132 			adev->pdev->bus->number, 1);
133 	if (p) {
134 		pm_runtime_get_sync(&p->dev);
135 
136 		pm_runtime_mark_last_busy(&p->dev);
137 		pm_runtime_put_autosuspend(&p->dev);
138 
139 		pci_dev_put(p);
140 	}
141 }
142 
143 /**
144  * amdgpu_driver_load_kms - Main load function for KMS.
145  *
146  * @adev: pointer to struct amdgpu_device
147  * @flags: device flags
148  *
149  * This is the main load function for KMS (all asics).
150  * Returns 0 on success, error on failure.
151  */
152 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
153 {
154 	struct drm_device *dev;
155 	struct pci_dev *parent;
156 	int r, acpi_status;
157 
158 	dev = adev_to_drm(adev);
159 
160 	if (amdgpu_has_atpx() &&
161 	    (amdgpu_is_atpx_hybrid() ||
162 	     amdgpu_has_atpx_dgpu_power_cntl()) &&
163 	    ((flags & AMD_IS_APU) == 0) &&
164 	    !pci_is_thunderbolt_attached(to_pci_dev(dev->dev)))
165 		flags |= AMD_IS_PX;
166 
167 	parent = pci_upstream_bridge(adev->pdev);
168 	adev->has_pr3 = parent ? pci_pr3_present(parent) : false;
169 
170 	/* amdgpu_device_init should report only fatal error
171 	 * like memory allocation failure or iomapping failure,
172 	 * or memory manager initialization failure, it must
173 	 * properly initialize the GPU MC controller and permit
174 	 * VRAM allocation
175 	 */
176 	r = amdgpu_device_init(adev, flags);
177 	if (r) {
178 		dev_err(dev->dev, "Fatal error during GPU init\n");
179 		goto out;
180 	}
181 
182 	if (amdgpu_device_supports_px(dev) &&
183 	    (amdgpu_runtime_pm != 0)) { /* enable runpm by default for atpx */
184 		adev->runpm = true;
185 		dev_info(adev->dev, "Using ATPX for runtime pm\n");
186 	} else if (amdgpu_device_supports_boco(dev) &&
187 		   (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
188 		adev->runpm = true;
189 		dev_info(adev->dev, "Using BOCO for runtime pm\n");
190 	} else if (amdgpu_device_supports_baco(dev) &&
191 		   (amdgpu_runtime_pm != 0)) {
192 		switch (adev->asic_type) {
193 		case CHIP_VEGA20:
194 		case CHIP_ARCTURUS:
195 			/* enable runpm if runpm=1 */
196 			if (amdgpu_runtime_pm > 0)
197 				adev->runpm = true;
198 			break;
199 		case CHIP_VEGA10:
200 			/* turn runpm on if noretry=0 */
201 			if (!adev->gmc.noretry)
202 				adev->runpm = true;
203 			break;
204 		default:
205 			/* enable runpm on CI+ */
206 			adev->runpm = true;
207 			break;
208 		}
209 		if (adev->runpm)
210 			dev_info(adev->dev, "Using BACO for runtime pm\n");
211 	}
212 
213 	/* Call ACPI methods: require modeset init
214 	 * but failure is not fatal
215 	 */
216 
217 	acpi_status = amdgpu_acpi_init(adev);
218 	if (acpi_status)
219 		dev_dbg(dev->dev, "Error during ACPI methods call\n");
220 
221 	if (adev->runpm) {
222 		/* only need to skip on ATPX */
223 		if (amdgpu_device_supports_px(dev))
224 			dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
225 		/* we want direct complete for BOCO */
226 		if (amdgpu_device_supports_boco(dev))
227 			dev_pm_set_driver_flags(dev->dev, DPM_FLAG_SMART_PREPARE |
228 						DPM_FLAG_SMART_SUSPEND |
229 						DPM_FLAG_MAY_SKIP_RESUME);
230 		pm_runtime_use_autosuspend(dev->dev);
231 		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
232 
233 		pm_runtime_allow(dev->dev);
234 
235 		pm_runtime_mark_last_busy(dev->dev);
236 		pm_runtime_put_autosuspend(dev->dev);
237 
238 		/*
239 		 * For runpm implemented via BACO, PMFW will handle the
240 		 * timing for BACO in and out:
241 		 *   - put ASIC into BACO state only when both video and
242 		 *     audio functions are in D3 state.
243 		 *   - pull ASIC out of BACO state when either video or
244 		 *     audio function is in D0 state.
245 		 * Also, at startup, PMFW assumes both functions are in
246 		 * D0 state.
247 		 *
248 		 * So if snd driver was loaded prior to amdgpu driver
249 		 * and audio function was put into D3 state, there will
250 		 * be no PMFW-aware D-state transition(D0->D3) on runpm
251 		 * suspend. Thus the BACO will be not correctly kicked in.
252 		 *
253 		 * Via amdgpu_get_audio_func(), the audio dev is put
254 		 * into D0 state. Then there will be a PMFW-aware D-state
255 		 * transition(D0->D3) on runpm suspend.
256 		 */
257 		if (amdgpu_device_supports_baco(dev) &&
258 		    !(adev->flags & AMD_IS_APU) &&
259 		    (adev->asic_type >= CHIP_NAVI10))
260 			amdgpu_get_audio_func(adev);
261 	}
262 
263 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
264 		DRM_WARN("smart shift update failed\n");
265 
266 out:
267 	if (r) {
268 		/* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
269 		if (adev->rmmio && adev->runpm)
270 			pm_runtime_put_noidle(dev->dev);
271 		amdgpu_driver_unload_kms(dev);
272 	}
273 
274 	return r;
275 }
276 
277 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
278 				struct drm_amdgpu_query_fw *query_fw,
279 				struct amdgpu_device *adev)
280 {
281 	switch (query_fw->fw_type) {
282 	case AMDGPU_INFO_FW_VCE:
283 		fw_info->ver = adev->vce.fw_version;
284 		fw_info->feature = adev->vce.fb_version;
285 		break;
286 	case AMDGPU_INFO_FW_UVD:
287 		fw_info->ver = adev->uvd.fw_version;
288 		fw_info->feature = 0;
289 		break;
290 	case AMDGPU_INFO_FW_VCN:
291 		fw_info->ver = adev->vcn.fw_version;
292 		fw_info->feature = 0;
293 		break;
294 	case AMDGPU_INFO_FW_GMC:
295 		fw_info->ver = adev->gmc.fw_version;
296 		fw_info->feature = 0;
297 		break;
298 	case AMDGPU_INFO_FW_GFX_ME:
299 		fw_info->ver = adev->gfx.me_fw_version;
300 		fw_info->feature = adev->gfx.me_feature_version;
301 		break;
302 	case AMDGPU_INFO_FW_GFX_PFP:
303 		fw_info->ver = adev->gfx.pfp_fw_version;
304 		fw_info->feature = adev->gfx.pfp_feature_version;
305 		break;
306 	case AMDGPU_INFO_FW_GFX_CE:
307 		fw_info->ver = adev->gfx.ce_fw_version;
308 		fw_info->feature = adev->gfx.ce_feature_version;
309 		break;
310 	case AMDGPU_INFO_FW_GFX_RLC:
311 		fw_info->ver = adev->gfx.rlc_fw_version;
312 		fw_info->feature = adev->gfx.rlc_feature_version;
313 		break;
314 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
315 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
316 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
317 		break;
318 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
319 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
320 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
321 		break;
322 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
323 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
324 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
325 		break;
326 	case AMDGPU_INFO_FW_GFX_MEC:
327 		if (query_fw->index == 0) {
328 			fw_info->ver = adev->gfx.mec_fw_version;
329 			fw_info->feature = adev->gfx.mec_feature_version;
330 		} else if (query_fw->index == 1) {
331 			fw_info->ver = adev->gfx.mec2_fw_version;
332 			fw_info->feature = adev->gfx.mec2_feature_version;
333 		} else
334 			return -EINVAL;
335 		break;
336 	case AMDGPU_INFO_FW_SMC:
337 		fw_info->ver = adev->pm.fw_version;
338 		fw_info->feature = 0;
339 		break;
340 	case AMDGPU_INFO_FW_TA:
341 		switch (query_fw->index) {
342 		case TA_FW_TYPE_PSP_XGMI:
343 			fw_info->ver = adev->psp.ta_fw_version;
344 			fw_info->feature = adev->psp.xgmi.feature_version;
345 			break;
346 		case TA_FW_TYPE_PSP_RAS:
347 			fw_info->ver = adev->psp.ta_fw_version;
348 			fw_info->feature = adev->psp.ras.feature_version;
349 			break;
350 		case TA_FW_TYPE_PSP_HDCP:
351 			fw_info->ver = adev->psp.ta_fw_version;
352 			fw_info->feature = adev->psp.hdcp.feature_version;
353 			break;
354 		case TA_FW_TYPE_PSP_DTM:
355 			fw_info->ver = adev->psp.ta_fw_version;
356 			fw_info->feature = adev->psp.dtm.feature_version;
357 			break;
358 		case TA_FW_TYPE_PSP_RAP:
359 			fw_info->ver = adev->psp.ta_fw_version;
360 			fw_info->feature = adev->psp.rap.feature_version;
361 			break;
362 		case TA_FW_TYPE_PSP_SECUREDISPLAY:
363 			fw_info->ver = adev->psp.ta_fw_version;
364 			fw_info->feature = adev->psp.securedisplay.feature_version;
365 			break;
366 		default:
367 			return -EINVAL;
368 		}
369 		break;
370 	case AMDGPU_INFO_FW_SDMA:
371 		if (query_fw->index >= adev->sdma.num_instances)
372 			return -EINVAL;
373 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
374 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
375 		break;
376 	case AMDGPU_INFO_FW_SOS:
377 		fw_info->ver = adev->psp.sos.fw_version;
378 		fw_info->feature = adev->psp.sos.feature_version;
379 		break;
380 	case AMDGPU_INFO_FW_ASD:
381 		fw_info->ver = adev->psp.asd.fw_version;
382 		fw_info->feature = adev->psp.asd.feature_version;
383 		break;
384 	case AMDGPU_INFO_FW_DMCU:
385 		fw_info->ver = adev->dm.dmcu_fw_version;
386 		fw_info->feature = 0;
387 		break;
388 	case AMDGPU_INFO_FW_DMCUB:
389 		fw_info->ver = adev->dm.dmcub_fw_version;
390 		fw_info->feature = 0;
391 		break;
392 	case AMDGPU_INFO_FW_TOC:
393 		fw_info->ver = adev->psp.toc.fw_version;
394 		fw_info->feature = adev->psp.toc.feature_version;
395 		break;
396 	default:
397 		return -EINVAL;
398 	}
399 	return 0;
400 }
401 
402 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
403 			     struct drm_amdgpu_info *info,
404 			     struct drm_amdgpu_info_hw_ip *result)
405 {
406 	uint32_t ib_start_alignment = 0;
407 	uint32_t ib_size_alignment = 0;
408 	enum amd_ip_block_type type;
409 	unsigned int num_rings = 0;
410 	unsigned int i, j;
411 
412 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
413 		return -EINVAL;
414 
415 	switch (info->query_hw_ip.type) {
416 	case AMDGPU_HW_IP_GFX:
417 		type = AMD_IP_BLOCK_TYPE_GFX;
418 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
419 			if (adev->gfx.gfx_ring[i].sched.ready)
420 				++num_rings;
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 				++num_rings;
429 		ib_start_alignment = 32;
430 		ib_size_alignment = 32;
431 		break;
432 	case AMDGPU_HW_IP_DMA:
433 		type = AMD_IP_BLOCK_TYPE_SDMA;
434 		for (i = 0; i < adev->sdma.num_instances; i++)
435 			if (adev->sdma.instance[i].ring.sched.ready)
436 				++num_rings;
437 		ib_start_alignment = 256;
438 		ib_size_alignment = 4;
439 		break;
440 	case AMDGPU_HW_IP_UVD:
441 		type = AMD_IP_BLOCK_TYPE_UVD;
442 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
443 			if (adev->uvd.harvest_config & (1 << i))
444 				continue;
445 
446 			if (adev->uvd.inst[i].ring.sched.ready)
447 				++num_rings;
448 		}
449 		ib_start_alignment = 64;
450 		ib_size_alignment = 64;
451 		break;
452 	case AMDGPU_HW_IP_VCE:
453 		type = AMD_IP_BLOCK_TYPE_VCE;
454 		for (i = 0; i < adev->vce.num_rings; i++)
455 			if (adev->vce.ring[i].sched.ready)
456 				++num_rings;
457 		ib_start_alignment = 4;
458 		ib_size_alignment = 1;
459 		break;
460 	case AMDGPU_HW_IP_UVD_ENC:
461 		type = AMD_IP_BLOCK_TYPE_UVD;
462 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
463 			if (adev->uvd.harvest_config & (1 << i))
464 				continue;
465 
466 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
467 				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
468 					++num_rings;
469 		}
470 		ib_start_alignment = 64;
471 		ib_size_alignment = 64;
472 		break;
473 	case AMDGPU_HW_IP_VCN_DEC:
474 		type = AMD_IP_BLOCK_TYPE_VCN;
475 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
476 			if (adev->uvd.harvest_config & (1 << i))
477 				continue;
478 
479 			if (adev->vcn.inst[i].ring_dec.sched.ready)
480 				++num_rings;
481 		}
482 		ib_start_alignment = 16;
483 		ib_size_alignment = 16;
484 		break;
485 	case AMDGPU_HW_IP_VCN_ENC:
486 		type = AMD_IP_BLOCK_TYPE_VCN;
487 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
488 			if (adev->uvd.harvest_config & (1 << i))
489 				continue;
490 
491 			for (j = 0; j < adev->vcn.num_enc_rings; j++)
492 				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
493 					++num_rings;
494 		}
495 		ib_start_alignment = 64;
496 		ib_size_alignment = 1;
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 			if (adev->jpeg.inst[i].ring_dec.sched.ready)
507 				++num_rings;
508 		}
509 		ib_start_alignment = 16;
510 		ib_size_alignment = 16;
511 		break;
512 	default:
513 		return -EINVAL;
514 	}
515 
516 	for (i = 0; i < adev->num_ip_blocks; i++)
517 		if (adev->ip_blocks[i].version->type == type &&
518 		    adev->ip_blocks[i].status.valid)
519 			break;
520 
521 	if (i == adev->num_ip_blocks)
522 		return 0;
523 
524 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
525 			num_rings);
526 
527 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
528 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
529 	result->capabilities_flags = 0;
530 	result->available_rings = (1 << num_rings) - 1;
531 	result->ib_start_alignment = ib_start_alignment;
532 	result->ib_size_alignment = ib_size_alignment;
533 	return 0;
534 }
535 
536 /*
537  * Userspace get information ioctl
538  */
539 /**
540  * amdgpu_info_ioctl - answer a device specific request.
541  *
542  * @dev: drm device pointer
543  * @data: request object
544  * @filp: drm filp
545  *
546  * This function is used to pass device specific parameters to the userspace
547  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
548  * etc. (all asics).
549  * Returns 0 on success, -EINVAL on failure.
550  */
551 int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
552 {
553 	struct amdgpu_device *adev = drm_to_adev(dev);
554 	struct drm_amdgpu_info *info = data;
555 	struct amdgpu_mode_info *minfo = &adev->mode_info;
556 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
557 	uint32_t size = info->return_size;
558 	struct drm_crtc *crtc;
559 	uint32_t ui32 = 0;
560 	uint64_t ui64 = 0;
561 	int i, found;
562 	int ui32_size = sizeof(ui32);
563 
564 	if (!info->return_size || !info->return_pointer)
565 		return -EINVAL;
566 
567 	switch (info->query) {
568 	case AMDGPU_INFO_ACCEL_WORKING:
569 		ui32 = adev->accel_working;
570 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
571 	case AMDGPU_INFO_CRTC_FROM_ID:
572 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
573 			crtc = (struct drm_crtc *)minfo->crtcs[i];
574 			if (crtc && crtc->base.id == info->mode_crtc.id) {
575 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
576 				ui32 = amdgpu_crtc->crtc_id;
577 				found = 1;
578 				break;
579 			}
580 		}
581 		if (!found) {
582 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
583 			return -EINVAL;
584 		}
585 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
586 	case AMDGPU_INFO_HW_IP_INFO: {
587 		struct drm_amdgpu_info_hw_ip ip = {};
588 		int ret;
589 
590 		ret = amdgpu_hw_ip_info(adev, info, &ip);
591 		if (ret)
592 			return ret;
593 
594 		ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
595 		return ret ? -EFAULT : 0;
596 	}
597 	case AMDGPU_INFO_HW_IP_COUNT: {
598 		enum amd_ip_block_type type;
599 		uint32_t count = 0;
600 
601 		switch (info->query_hw_ip.type) {
602 		case AMDGPU_HW_IP_GFX:
603 			type = AMD_IP_BLOCK_TYPE_GFX;
604 			break;
605 		case AMDGPU_HW_IP_COMPUTE:
606 			type = AMD_IP_BLOCK_TYPE_GFX;
607 			break;
608 		case AMDGPU_HW_IP_DMA:
609 			type = AMD_IP_BLOCK_TYPE_SDMA;
610 			break;
611 		case AMDGPU_HW_IP_UVD:
612 			type = AMD_IP_BLOCK_TYPE_UVD;
613 			break;
614 		case AMDGPU_HW_IP_VCE:
615 			type = AMD_IP_BLOCK_TYPE_VCE;
616 			break;
617 		case AMDGPU_HW_IP_UVD_ENC:
618 			type = AMD_IP_BLOCK_TYPE_UVD;
619 			break;
620 		case AMDGPU_HW_IP_VCN_DEC:
621 		case AMDGPU_HW_IP_VCN_ENC:
622 			type = AMD_IP_BLOCK_TYPE_VCN;
623 			break;
624 		case AMDGPU_HW_IP_VCN_JPEG:
625 			type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
626 				AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
627 			break;
628 		default:
629 			return -EINVAL;
630 		}
631 
632 		for (i = 0; i < adev->num_ip_blocks; i++)
633 			if (adev->ip_blocks[i].version->type == type &&
634 			    adev->ip_blocks[i].status.valid &&
635 			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
636 				count++;
637 
638 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
639 	}
640 	case AMDGPU_INFO_TIMESTAMP:
641 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
642 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
643 	case AMDGPU_INFO_FW_VERSION: {
644 		struct drm_amdgpu_info_firmware fw_info;
645 		int ret;
646 
647 		/* We only support one instance of each IP block right now. */
648 		if (info->query_fw.ip_instance != 0)
649 			return -EINVAL;
650 
651 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
652 		if (ret)
653 			return ret;
654 
655 		return copy_to_user(out, &fw_info,
656 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
657 	}
658 	case AMDGPU_INFO_NUM_BYTES_MOVED:
659 		ui64 = atomic64_read(&adev->num_bytes_moved);
660 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
661 	case AMDGPU_INFO_NUM_EVICTIONS:
662 		ui64 = atomic64_read(&adev->num_evictions);
663 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
664 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
665 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
666 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
667 	case AMDGPU_INFO_VRAM_USAGE:
668 		ui64 = amdgpu_vram_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
669 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
670 	case AMDGPU_INFO_VIS_VRAM_USAGE:
671 		ui64 = amdgpu_vram_mgr_vis_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
672 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
673 	case AMDGPU_INFO_GTT_USAGE:
674 		ui64 = amdgpu_gtt_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_TT));
675 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
676 	case AMDGPU_INFO_GDS_CONFIG: {
677 		struct drm_amdgpu_info_gds gds_info;
678 
679 		memset(&gds_info, 0, sizeof(gds_info));
680 		gds_info.compute_partition_size = adev->gds.gds_size;
681 		gds_info.gds_total_size = adev->gds.gds_size;
682 		gds_info.gws_per_compute_partition = adev->gds.gws_size;
683 		gds_info.oa_per_compute_partition = adev->gds.oa_size;
684 		return copy_to_user(out, &gds_info,
685 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
686 	}
687 	case AMDGPU_INFO_VRAM_GTT: {
688 		struct drm_amdgpu_info_vram_gtt vram_gtt;
689 
690 		vram_gtt.vram_size = adev->gmc.real_vram_size -
691 			atomic64_read(&adev->vram_pin_size) -
692 			AMDGPU_VM_RESERVED_VRAM;
693 		vram_gtt.vram_cpu_accessible_size =
694 			min(adev->gmc.visible_vram_size -
695 			    atomic64_read(&adev->visible_pin_size),
696 			    vram_gtt.vram_size);
697 		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
698 		vram_gtt.gtt_size *= PAGE_SIZE;
699 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
700 		return copy_to_user(out, &vram_gtt,
701 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
702 	}
703 	case AMDGPU_INFO_MEMORY: {
704 		struct drm_amdgpu_memory_info mem;
705 		struct ttm_resource_manager *vram_man =
706 			ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
707 		struct ttm_resource_manager *gtt_man =
708 			ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
709 		memset(&mem, 0, sizeof(mem));
710 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
711 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
712 			atomic64_read(&adev->vram_pin_size) -
713 			AMDGPU_VM_RESERVED_VRAM;
714 		mem.vram.heap_usage =
715 			amdgpu_vram_mgr_usage(vram_man);
716 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
717 
718 		mem.cpu_accessible_vram.total_heap_size =
719 			adev->gmc.visible_vram_size;
720 		mem.cpu_accessible_vram.usable_heap_size =
721 			min(adev->gmc.visible_vram_size -
722 			    atomic64_read(&adev->visible_pin_size),
723 			    mem.vram.usable_heap_size);
724 		mem.cpu_accessible_vram.heap_usage =
725 			amdgpu_vram_mgr_vis_usage(vram_man);
726 		mem.cpu_accessible_vram.max_allocation =
727 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
728 
729 		mem.gtt.total_heap_size = gtt_man->size;
730 		mem.gtt.total_heap_size *= PAGE_SIZE;
731 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
732 			atomic64_read(&adev->gart_pin_size);
733 		mem.gtt.heap_usage =
734 			amdgpu_gtt_mgr_usage(gtt_man);
735 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
736 
737 		return copy_to_user(out, &mem,
738 				    min((size_t)size, sizeof(mem)))
739 				    ? -EFAULT : 0;
740 	}
741 	case AMDGPU_INFO_READ_MMR_REG: {
742 		unsigned n, alloc_size;
743 		uint32_t *regs;
744 		unsigned se_num = (info->read_mmr_reg.instance >>
745 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
746 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
747 		unsigned sh_num = (info->read_mmr_reg.instance >>
748 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
749 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
750 
751 		/* set full masks if the userspace set all bits
752 		 * in the bitfields */
753 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
754 			se_num = 0xffffffff;
755 		else if (se_num >= AMDGPU_GFX_MAX_SE)
756 			return -EINVAL;
757 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
758 			sh_num = 0xffffffff;
759 		else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
760 			return -EINVAL;
761 
762 		if (info->read_mmr_reg.count > 128)
763 			return -EINVAL;
764 
765 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
766 		if (!regs)
767 			return -ENOMEM;
768 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
769 
770 		amdgpu_gfx_off_ctrl(adev, false);
771 		for (i = 0; i < info->read_mmr_reg.count; i++) {
772 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
773 						      info->read_mmr_reg.dword_offset + i,
774 						      &regs[i])) {
775 				DRM_DEBUG_KMS("unallowed offset %#x\n",
776 					      info->read_mmr_reg.dword_offset + i);
777 				kfree(regs);
778 				amdgpu_gfx_off_ctrl(adev, true);
779 				return -EFAULT;
780 			}
781 		}
782 		amdgpu_gfx_off_ctrl(adev, true);
783 		n = copy_to_user(out, regs, min(size, alloc_size));
784 		kfree(regs);
785 		return n ? -EFAULT : 0;
786 	}
787 	case AMDGPU_INFO_DEV_INFO: {
788 		struct drm_amdgpu_info_device *dev_info;
789 		uint64_t vm_size;
790 		int ret;
791 
792 		dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
793 		if (!dev_info)
794 			return -ENOMEM;
795 
796 		dev_info->device_id = adev->pdev->device;
797 		dev_info->chip_rev = adev->rev_id;
798 		dev_info->external_rev = adev->external_rev_id;
799 		dev_info->pci_rev = adev->pdev->revision;
800 		dev_info->family = adev->family;
801 		dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
802 		dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
803 		/* return all clocks in KHz */
804 		dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
805 		if (adev->pm.dpm_enabled) {
806 			dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
807 			dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
808 		} else {
809 			dev_info->max_engine_clock = adev->clock.default_sclk * 10;
810 			dev_info->max_memory_clock = adev->clock.default_mclk * 10;
811 		}
812 		dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
813 		dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
814 			adev->gfx.config.max_shader_engines;
815 		dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
816 		dev_info->_pad = 0;
817 		dev_info->ids_flags = 0;
818 		if (adev->flags & AMD_IS_APU)
819 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
820 		if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
821 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
822 		if (amdgpu_is_tmz(adev))
823 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
824 
825 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
826 		vm_size -= AMDGPU_VA_RESERVED_SIZE;
827 
828 		/* Older VCE FW versions are buggy and can handle only 40bits */
829 		if (adev->vce.fw_version &&
830 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
831 			vm_size = min(vm_size, 1ULL << 40);
832 
833 		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
834 		dev_info->virtual_address_max =
835 			min(vm_size, AMDGPU_GMC_HOLE_START);
836 
837 		if (vm_size > AMDGPU_GMC_HOLE_START) {
838 			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
839 			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
840 		}
841 		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
842 		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
843 		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
844 		dev_info->cu_active_number = adev->gfx.cu_info.number;
845 		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
846 		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
847 		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
848 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
849 		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
850 		       sizeof(adev->gfx.cu_info.bitmap));
851 		dev_info->vram_type = adev->gmc.vram_type;
852 		dev_info->vram_bit_width = adev->gmc.vram_width;
853 		dev_info->vce_harvest_config = adev->vce.harvest_config;
854 		dev_info->gc_double_offchip_lds_buf =
855 			adev->gfx.config.double_offchip_lds_buf;
856 		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
857 		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
858 		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
859 		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
860 		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
861 		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
862 		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
863 
864 		if (adev->family >= AMDGPU_FAMILY_NV)
865 			dev_info->pa_sc_tile_steering_override =
866 				adev->gfx.config.pa_sc_tile_steering_override;
867 
868 		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
869 
870 		ret = copy_to_user(out, dev_info,
871 				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
872 		kfree(dev_info);
873 		return ret;
874 	}
875 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
876 		unsigned i;
877 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
878 		struct amd_vce_state *vce_state;
879 
880 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
881 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
882 			if (vce_state) {
883 				vce_clk_table.entries[i].sclk = vce_state->sclk;
884 				vce_clk_table.entries[i].mclk = vce_state->mclk;
885 				vce_clk_table.entries[i].eclk = vce_state->evclk;
886 				vce_clk_table.num_valid_entries++;
887 			}
888 		}
889 
890 		return copy_to_user(out, &vce_clk_table,
891 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
892 	}
893 	case AMDGPU_INFO_VBIOS: {
894 		uint32_t bios_size = adev->bios_size;
895 
896 		switch (info->vbios_info.type) {
897 		case AMDGPU_INFO_VBIOS_SIZE:
898 			return copy_to_user(out, &bios_size,
899 					min((size_t)size, sizeof(bios_size)))
900 					? -EFAULT : 0;
901 		case AMDGPU_INFO_VBIOS_IMAGE: {
902 			uint8_t *bios;
903 			uint32_t bios_offset = info->vbios_info.offset;
904 
905 			if (bios_offset >= bios_size)
906 				return -EINVAL;
907 
908 			bios = adev->bios + bios_offset;
909 			return copy_to_user(out, bios,
910 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
911 					? -EFAULT : 0;
912 		}
913 		case AMDGPU_INFO_VBIOS_INFO: {
914 			struct drm_amdgpu_info_vbios vbios_info = {};
915 			struct atom_context *atom_context;
916 
917 			atom_context = adev->mode_info.atom_context;
918 			memcpy(vbios_info.name, atom_context->name, sizeof(atom_context->name));
919 			memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, sizeof(atom_context->vbios_pn));
920 			vbios_info.version = atom_context->version;
921 			memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
922 						sizeof(atom_context->vbios_ver_str));
923 			memcpy(vbios_info.date, atom_context->date, sizeof(atom_context->date));
924 
925 			return copy_to_user(out, &vbios_info,
926 						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
927 		}
928 		default:
929 			DRM_DEBUG_KMS("Invalid request %d\n",
930 					info->vbios_info.type);
931 			return -EINVAL;
932 		}
933 	}
934 	case AMDGPU_INFO_NUM_HANDLES: {
935 		struct drm_amdgpu_info_num_handles handle;
936 
937 		switch (info->query_hw_ip.type) {
938 		case AMDGPU_HW_IP_UVD:
939 			/* Starting Polaris, we support unlimited UVD handles */
940 			if (adev->asic_type < CHIP_POLARIS10) {
941 				handle.uvd_max_handles = adev->uvd.max_handles;
942 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
943 
944 				return copy_to_user(out, &handle,
945 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
946 			} else {
947 				return -ENODATA;
948 			}
949 
950 			break;
951 		default:
952 			return -EINVAL;
953 		}
954 	}
955 	case AMDGPU_INFO_SENSOR: {
956 		if (!adev->pm.dpm_enabled)
957 			return -ENOENT;
958 
959 		switch (info->sensor_info.type) {
960 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
961 			/* get sclk in Mhz */
962 			if (amdgpu_dpm_read_sensor(adev,
963 						   AMDGPU_PP_SENSOR_GFX_SCLK,
964 						   (void *)&ui32, &ui32_size)) {
965 				return -EINVAL;
966 			}
967 			ui32 /= 100;
968 			break;
969 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
970 			/* get mclk in Mhz */
971 			if (amdgpu_dpm_read_sensor(adev,
972 						   AMDGPU_PP_SENSOR_GFX_MCLK,
973 						   (void *)&ui32, &ui32_size)) {
974 				return -EINVAL;
975 			}
976 			ui32 /= 100;
977 			break;
978 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
979 			/* get temperature in millidegrees C */
980 			if (amdgpu_dpm_read_sensor(adev,
981 						   AMDGPU_PP_SENSOR_GPU_TEMP,
982 						   (void *)&ui32, &ui32_size)) {
983 				return -EINVAL;
984 			}
985 			break;
986 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
987 			/* get GPU load */
988 			if (amdgpu_dpm_read_sensor(adev,
989 						   AMDGPU_PP_SENSOR_GPU_LOAD,
990 						   (void *)&ui32, &ui32_size)) {
991 				return -EINVAL;
992 			}
993 			break;
994 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
995 			/* get average GPU power */
996 			if (amdgpu_dpm_read_sensor(adev,
997 						   AMDGPU_PP_SENSOR_GPU_POWER,
998 						   (void *)&ui32, &ui32_size)) {
999 				return -EINVAL;
1000 			}
1001 			ui32 >>= 8;
1002 			break;
1003 		case AMDGPU_INFO_SENSOR_VDDNB:
1004 			/* get VDDNB in millivolts */
1005 			if (amdgpu_dpm_read_sensor(adev,
1006 						   AMDGPU_PP_SENSOR_VDDNB,
1007 						   (void *)&ui32, &ui32_size)) {
1008 				return -EINVAL;
1009 			}
1010 			break;
1011 		case AMDGPU_INFO_SENSOR_VDDGFX:
1012 			/* get VDDGFX in millivolts */
1013 			if (amdgpu_dpm_read_sensor(adev,
1014 						   AMDGPU_PP_SENSOR_VDDGFX,
1015 						   (void *)&ui32, &ui32_size)) {
1016 				return -EINVAL;
1017 			}
1018 			break;
1019 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1020 			/* get stable pstate sclk in Mhz */
1021 			if (amdgpu_dpm_read_sensor(adev,
1022 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1023 						   (void *)&ui32, &ui32_size)) {
1024 				return -EINVAL;
1025 			}
1026 			ui32 /= 100;
1027 			break;
1028 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1029 			/* get stable pstate mclk in Mhz */
1030 			if (amdgpu_dpm_read_sensor(adev,
1031 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1032 						   (void *)&ui32, &ui32_size)) {
1033 				return -EINVAL;
1034 			}
1035 			ui32 /= 100;
1036 			break;
1037 		default:
1038 			DRM_DEBUG_KMS("Invalid request %d\n",
1039 				      info->sensor_info.type);
1040 			return -EINVAL;
1041 		}
1042 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1043 	}
1044 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
1045 		ui32 = atomic_read(&adev->vram_lost_counter);
1046 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1047 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1048 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1049 		uint64_t ras_mask;
1050 
1051 		if (!ras)
1052 			return -EINVAL;
1053 		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1054 
1055 		return copy_to_user(out, &ras_mask,
1056 				min_t(u64, size, sizeof(ras_mask))) ?
1057 			-EFAULT : 0;
1058 	}
1059 	case AMDGPU_INFO_VIDEO_CAPS: {
1060 		const struct amdgpu_video_codecs *codecs;
1061 		struct drm_amdgpu_info_video_caps *caps;
1062 		int r;
1063 
1064 		switch (info->video_cap.type) {
1065 		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1066 			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1067 			if (r)
1068 				return -EINVAL;
1069 			break;
1070 		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1071 			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1072 			if (r)
1073 				return -EINVAL;
1074 			break;
1075 		default:
1076 			DRM_DEBUG_KMS("Invalid request %d\n",
1077 				      info->video_cap.type);
1078 			return -EINVAL;
1079 		}
1080 
1081 		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1082 		if (!caps)
1083 			return -ENOMEM;
1084 
1085 		for (i = 0; i < codecs->codec_count; i++) {
1086 			int idx = codecs->codec_array[i].codec_type;
1087 
1088 			switch (idx) {
1089 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1090 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1091 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1092 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1093 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1094 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1095 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1096 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1097 				caps->codec_info[idx].valid = 1;
1098 				caps->codec_info[idx].max_width =
1099 					codecs->codec_array[i].max_width;
1100 				caps->codec_info[idx].max_height =
1101 					codecs->codec_array[i].max_height;
1102 				caps->codec_info[idx].max_pixels_per_frame =
1103 					codecs->codec_array[i].max_pixels_per_frame;
1104 				caps->codec_info[idx].max_level =
1105 					codecs->codec_array[i].max_level;
1106 				break;
1107 			default:
1108 				break;
1109 			}
1110 		}
1111 		r = copy_to_user(out, caps,
1112 				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1113 		kfree(caps);
1114 		return r;
1115 	}
1116 	default:
1117 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1118 		return -EINVAL;
1119 	}
1120 	return 0;
1121 }
1122 
1123 
1124 /*
1125  * Outdated mess for old drm with Xorg being in charge (void function now).
1126  */
1127 /**
1128  * amdgpu_driver_lastclose_kms - drm callback for last close
1129  *
1130  * @dev: drm dev pointer
1131  *
1132  * Switch vga_switcheroo state after last close (all asics).
1133  */
1134 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
1135 {
1136 	drm_fb_helper_lastclose(dev);
1137 	vga_switcheroo_process_delayed_switch();
1138 }
1139 
1140 /**
1141  * amdgpu_driver_open_kms - drm callback for open
1142  *
1143  * @dev: drm dev pointer
1144  * @file_priv: drm file
1145  *
1146  * On device open, init vm on cayman+ (all asics).
1147  * Returns 0 on success, error on failure.
1148  */
1149 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1150 {
1151 	struct amdgpu_device *adev = drm_to_adev(dev);
1152 	struct amdgpu_fpriv *fpriv;
1153 	int r, pasid;
1154 
1155 	/* Ensure IB tests are run on ring */
1156 	flush_delayed_work(&adev->delayed_init_work);
1157 
1158 
1159 	if (amdgpu_ras_intr_triggered()) {
1160 		DRM_ERROR("RAS Intr triggered, device disabled!!");
1161 		return -EHWPOISON;
1162 	}
1163 
1164 	file_priv->driver_priv = NULL;
1165 
1166 	r = pm_runtime_get_sync(dev->dev);
1167 	if (r < 0)
1168 		goto pm_put;
1169 
1170 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1171 	if (unlikely(!fpriv)) {
1172 		r = -ENOMEM;
1173 		goto out_suspend;
1174 	}
1175 
1176 	pasid = amdgpu_pasid_alloc(16);
1177 	if (pasid < 0) {
1178 		dev_warn(adev->dev, "No more PASIDs available!");
1179 		pasid = 0;
1180 	}
1181 
1182 	r = amdgpu_vm_init(adev, &fpriv->vm);
1183 	if (r)
1184 		goto error_pasid;
1185 
1186 	r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
1187 	if (r)
1188 		goto error_vm;
1189 
1190 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1191 	if (!fpriv->prt_va) {
1192 		r = -ENOMEM;
1193 		goto error_vm;
1194 	}
1195 
1196 	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1197 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1198 
1199 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1200 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1201 		if (r)
1202 			goto error_vm;
1203 	}
1204 
1205 	mutex_init(&fpriv->bo_list_lock);
1206 	idr_init(&fpriv->bo_list_handles);
1207 
1208 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
1209 
1210 	file_priv->driver_priv = fpriv;
1211 	goto out_suspend;
1212 
1213 error_vm:
1214 	amdgpu_vm_fini(adev, &fpriv->vm);
1215 
1216 error_pasid:
1217 	if (pasid) {
1218 		amdgpu_pasid_free(pasid);
1219 		amdgpu_vm_set_pasid(adev, &fpriv->vm, 0);
1220 	}
1221 
1222 	kfree(fpriv);
1223 
1224 out_suspend:
1225 	pm_runtime_mark_last_busy(dev->dev);
1226 pm_put:
1227 	pm_runtime_put_autosuspend(dev->dev);
1228 
1229 	return r;
1230 }
1231 
1232 /**
1233  * amdgpu_driver_postclose_kms - drm callback for post close
1234  *
1235  * @dev: drm dev pointer
1236  * @file_priv: drm file
1237  *
1238  * On device post close, tear down vm on cayman+ (all asics).
1239  */
1240 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1241 				 struct drm_file *file_priv)
1242 {
1243 	struct amdgpu_device *adev = drm_to_adev(dev);
1244 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1245 	struct amdgpu_bo_list *list;
1246 	struct amdgpu_bo *pd;
1247 	u32 pasid;
1248 	int handle;
1249 
1250 	if (!fpriv)
1251 		return;
1252 
1253 	pm_runtime_get_sync(dev->dev);
1254 
1255 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1256 		amdgpu_uvd_free_handles(adev, file_priv);
1257 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1258 		amdgpu_vce_free_handles(adev, file_priv);
1259 
1260 	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1261 
1262 	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1263 		/* TODO: how to handle reserve failure */
1264 		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1265 		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1266 		fpriv->csa_va = NULL;
1267 		amdgpu_bo_unreserve(adev->virt.csa_obj);
1268 	}
1269 
1270 	pasid = fpriv->vm.pasid;
1271 	pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1272 
1273 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1274 	amdgpu_vm_fini(adev, &fpriv->vm);
1275 
1276 	if (pasid)
1277 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1278 	amdgpu_bo_unref(&pd);
1279 
1280 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1281 		amdgpu_bo_list_put(list);
1282 
1283 	idr_destroy(&fpriv->bo_list_handles);
1284 	mutex_destroy(&fpriv->bo_list_lock);
1285 
1286 	kfree(fpriv);
1287 	file_priv->driver_priv = NULL;
1288 
1289 	pm_runtime_mark_last_busy(dev->dev);
1290 	pm_runtime_put_autosuspend(dev->dev);
1291 }
1292 
1293 
1294 void amdgpu_driver_release_kms(struct drm_device *dev)
1295 {
1296 	struct amdgpu_device *adev = drm_to_adev(dev);
1297 
1298 	amdgpu_device_fini_sw(adev);
1299 	pci_set_drvdata(adev->pdev, NULL);
1300 }
1301 
1302 /*
1303  * VBlank related functions.
1304  */
1305 /**
1306  * amdgpu_get_vblank_counter_kms - get frame count
1307  *
1308  * @crtc: crtc to get the frame count from
1309  *
1310  * Gets the frame count on the requested crtc (all asics).
1311  * Returns frame count on success, -EINVAL on failure.
1312  */
1313 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1314 {
1315 	struct drm_device *dev = crtc->dev;
1316 	unsigned int pipe = crtc->index;
1317 	struct amdgpu_device *adev = drm_to_adev(dev);
1318 	int vpos, hpos, stat;
1319 	u32 count;
1320 
1321 	if (pipe >= adev->mode_info.num_crtc) {
1322 		DRM_ERROR("Invalid crtc %u\n", pipe);
1323 		return -EINVAL;
1324 	}
1325 
1326 	/* The hw increments its frame counter at start of vsync, not at start
1327 	 * of vblank, as is required by DRM core vblank counter handling.
1328 	 * Cook the hw count here to make it appear to the caller as if it
1329 	 * incremented at start of vblank. We measure distance to start of
1330 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1331 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1332 	 * result by 1 to give the proper appearance to caller.
1333 	 */
1334 	if (adev->mode_info.crtcs[pipe]) {
1335 		/* Repeat readout if needed to provide stable result if
1336 		 * we cross start of vsync during the queries.
1337 		 */
1338 		do {
1339 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1340 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1341 			 * vpos as distance to start of vblank, instead of
1342 			 * regular vertical scanout pos.
1343 			 */
1344 			stat = amdgpu_display_get_crtc_scanoutpos(
1345 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1346 				&vpos, &hpos, NULL, NULL,
1347 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1348 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1349 
1350 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1351 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1352 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1353 		} else {
1354 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1355 				      pipe, vpos);
1356 
1357 			/* Bump counter if we are at >= leading edge of vblank,
1358 			 * but before vsync where vpos would turn negative and
1359 			 * the hw counter really increments.
1360 			 */
1361 			if (vpos >= 0)
1362 				count++;
1363 		}
1364 	} else {
1365 		/* Fallback to use value as is. */
1366 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1367 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1368 	}
1369 
1370 	return count;
1371 }
1372 
1373 /**
1374  * amdgpu_enable_vblank_kms - enable vblank interrupt
1375  *
1376  * @crtc: crtc to enable vblank interrupt for
1377  *
1378  * Enable the interrupt on the requested crtc (all asics).
1379  * Returns 0 on success, -EINVAL on failure.
1380  */
1381 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1382 {
1383 	struct drm_device *dev = crtc->dev;
1384 	unsigned int pipe = crtc->index;
1385 	struct amdgpu_device *adev = drm_to_adev(dev);
1386 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1387 
1388 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1389 }
1390 
1391 /**
1392  * amdgpu_disable_vblank_kms - disable vblank interrupt
1393  *
1394  * @crtc: crtc to disable vblank interrupt for
1395  *
1396  * Disable the interrupt on the requested crtc (all asics).
1397  */
1398 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1399 {
1400 	struct drm_device *dev = crtc->dev;
1401 	unsigned int pipe = crtc->index;
1402 	struct amdgpu_device *adev = drm_to_adev(dev);
1403 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1404 
1405 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1406 }
1407 
1408 /*
1409  * Debugfs info
1410  */
1411 #if defined(CONFIG_DEBUG_FS)
1412 
1413 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1414 {
1415 	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
1416 	struct drm_amdgpu_info_firmware fw_info;
1417 	struct drm_amdgpu_query_fw query_fw;
1418 	struct atom_context *ctx = adev->mode_info.atom_context;
1419 	int ret, i;
1420 
1421 	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1422 #define TA_FW_NAME(type) [TA_FW_TYPE_PSP_##type] = #type
1423 		TA_FW_NAME(XGMI),
1424 		TA_FW_NAME(RAS),
1425 		TA_FW_NAME(HDCP),
1426 		TA_FW_NAME(DTM),
1427 		TA_FW_NAME(RAP),
1428 		TA_FW_NAME(SECUREDISPLAY),
1429 #undef TA_FW_NAME
1430 	};
1431 
1432 	/* VCE */
1433 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1434 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1435 	if (ret)
1436 		return ret;
1437 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1438 		   fw_info.feature, fw_info.ver);
1439 
1440 	/* UVD */
1441 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1442 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1443 	if (ret)
1444 		return ret;
1445 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1446 		   fw_info.feature, fw_info.ver);
1447 
1448 	/* GMC */
1449 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1450 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1451 	if (ret)
1452 		return ret;
1453 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1454 		   fw_info.feature, fw_info.ver);
1455 
1456 	/* ME */
1457 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1458 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1459 	if (ret)
1460 		return ret;
1461 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1462 		   fw_info.feature, fw_info.ver);
1463 
1464 	/* PFP */
1465 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1466 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1467 	if (ret)
1468 		return ret;
1469 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1470 		   fw_info.feature, fw_info.ver);
1471 
1472 	/* CE */
1473 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1474 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1475 	if (ret)
1476 		return ret;
1477 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1478 		   fw_info.feature, fw_info.ver);
1479 
1480 	/* RLC */
1481 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1482 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1483 	if (ret)
1484 		return ret;
1485 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1486 		   fw_info.feature, fw_info.ver);
1487 
1488 	/* RLC SAVE RESTORE LIST CNTL */
1489 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1490 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1491 	if (ret)
1492 		return ret;
1493 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1494 		   fw_info.feature, fw_info.ver);
1495 
1496 	/* RLC SAVE RESTORE LIST GPM MEM */
1497 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1498 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1499 	if (ret)
1500 		return ret;
1501 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1502 		   fw_info.feature, fw_info.ver);
1503 
1504 	/* RLC SAVE RESTORE LIST SRM MEM */
1505 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1506 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1507 	if (ret)
1508 		return ret;
1509 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1510 		   fw_info.feature, fw_info.ver);
1511 
1512 	/* MEC */
1513 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1514 	query_fw.index = 0;
1515 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1516 	if (ret)
1517 		return ret;
1518 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1519 		   fw_info.feature, fw_info.ver);
1520 
1521 	/* MEC2 */
1522 	if (adev->gfx.mec2_fw) {
1523 		query_fw.index = 1;
1524 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1525 		if (ret)
1526 			return ret;
1527 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1528 			   fw_info.feature, fw_info.ver);
1529 	}
1530 
1531 	/* PSP SOS */
1532 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1533 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1534 	if (ret)
1535 		return ret;
1536 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1537 		   fw_info.feature, fw_info.ver);
1538 
1539 
1540 	/* PSP ASD */
1541 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1542 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1543 	if (ret)
1544 		return ret;
1545 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1546 		   fw_info.feature, fw_info.ver);
1547 
1548 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1549 	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1550 		query_fw.index = i;
1551 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1552 		if (ret)
1553 			continue;
1554 
1555 		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1556 			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1557 	}
1558 
1559 	/* SMC */
1560 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1561 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1562 	if (ret)
1563 		return ret;
1564 	seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1565 		   fw_info.feature, fw_info.ver);
1566 
1567 	/* SDMA */
1568 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1569 	for (i = 0; i < adev->sdma.num_instances; i++) {
1570 		query_fw.index = i;
1571 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1572 		if (ret)
1573 			return ret;
1574 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1575 			   i, fw_info.feature, fw_info.ver);
1576 	}
1577 
1578 	/* VCN */
1579 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1580 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1581 	if (ret)
1582 		return ret;
1583 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1584 		   fw_info.feature, fw_info.ver);
1585 
1586 	/* DMCU */
1587 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1588 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1589 	if (ret)
1590 		return ret;
1591 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1592 		   fw_info.feature, fw_info.ver);
1593 
1594 	/* DMCUB */
1595 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1596 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1597 	if (ret)
1598 		return ret;
1599 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1600 		   fw_info.feature, fw_info.ver);
1601 
1602 	/* TOC */
1603 	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1604 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1605 	if (ret)
1606 		return ret;
1607 	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1608 		   fw_info.feature, fw_info.ver);
1609 
1610 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1611 
1612 	return 0;
1613 }
1614 
1615 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1616 
1617 #endif
1618 
1619 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1620 {
1621 #if defined(CONFIG_DEBUG_FS)
1622 	struct drm_minor *minor = adev_to_drm(adev)->primary;
1623 	struct dentry *root = minor->debugfs_root;
1624 
1625 	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1626 			    adev, &amdgpu_debugfs_firmware_info_fops);
1627 
1628 #endif
1629 }
1630