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 (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
91 		DRM_WARN("smart shift update failed\n");
92 
93 	amdgpu_acpi_fini(adev);
94 	amdgpu_device_fini_hw(adev);
95 }
96 
97 void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
98 {
99 	struct amdgpu_gpu_instance *gpu_instance;
100 
101 	mutex_lock(&mgpu_info.mutex);
102 
103 	if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
104 		DRM_ERROR("Cannot register more gpu instance\n");
105 		mutex_unlock(&mgpu_info.mutex);
106 		return;
107 	}
108 
109 	gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
110 	gpu_instance->adev = adev;
111 	gpu_instance->mgpu_fan_enabled = 0;
112 
113 	mgpu_info.num_gpu++;
114 	if (adev->flags & AMD_IS_APU)
115 		mgpu_info.num_apu++;
116 	else
117 		mgpu_info.num_dgpu++;
118 
119 	mutex_unlock(&mgpu_info.mutex);
120 }
121 
122 /**
123  * amdgpu_driver_load_kms - Main load function for KMS.
124  *
125  * @adev: pointer to struct amdgpu_device
126  * @flags: device flags
127  *
128  * This is the main load function for KMS (all asics).
129  * Returns 0 on success, error on failure.
130  */
131 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
132 {
133 	struct drm_device *dev;
134 	int r, acpi_status;
135 
136 	dev = adev_to_drm(adev);
137 
138 	/* amdgpu_device_init should report only fatal error
139 	 * like memory allocation failure or iomapping failure,
140 	 * or memory manager initialization failure, it must
141 	 * properly initialize the GPU MC controller and permit
142 	 * VRAM allocation
143 	 */
144 	r = amdgpu_device_init(adev, flags);
145 	if (r) {
146 		dev_err(dev->dev, "Fatal error during GPU init\n");
147 		goto out;
148 	}
149 
150 	if (amdgpu_device_supports_px(dev) &&
151 	    (amdgpu_runtime_pm != 0)) { /* enable runpm by default for atpx */
152 		adev->runpm = true;
153 		dev_info(adev->dev, "Using ATPX for runtime pm\n");
154 	} else if (amdgpu_device_supports_boco(dev) &&
155 		   (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
156 		adev->runpm = true;
157 		dev_info(adev->dev, "Using BOCO for runtime pm\n");
158 	} else if (amdgpu_device_supports_baco(dev) &&
159 		   (amdgpu_runtime_pm != 0)) {
160 		switch (adev->asic_type) {
161 		case CHIP_VEGA20:
162 		case CHIP_ARCTURUS:
163 			/* enable runpm if runpm=1 */
164 			if (amdgpu_runtime_pm > 0)
165 				adev->runpm = true;
166 			break;
167 		case CHIP_VEGA10:
168 			/* turn runpm on if noretry=0 */
169 			if (!adev->gmc.noretry)
170 				adev->runpm = true;
171 			break;
172 		default:
173 			/* enable runpm on CI+ */
174 			adev->runpm = true;
175 			break;
176 		}
177 		/* XXX: disable runtime pm if we are the primary adapter
178 		 * to avoid displays being re-enabled after DPMS.
179 		 * This needs to be sorted out and fixed properly.
180 		 */
181 		if (adev->is_fw_fb)
182 			adev->runpm = false;
183 		if (adev->runpm)
184 			dev_info(adev->dev, "Using BACO for runtime pm\n");
185 	}
186 
187 	/* Call ACPI methods: require modeset init
188 	 * but failure is not fatal
189 	 */
190 
191 	acpi_status = amdgpu_acpi_init(adev);
192 	if (acpi_status)
193 		dev_dbg(dev->dev, "Error during ACPI methods call\n");
194 
195 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
196 		DRM_WARN("smart shift update failed\n");
197 
198 out:
199 	if (r)
200 		amdgpu_driver_unload_kms(dev);
201 
202 	return r;
203 }
204 
205 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
206 				struct drm_amdgpu_query_fw *query_fw,
207 				struct amdgpu_device *adev)
208 {
209 	switch (query_fw->fw_type) {
210 	case AMDGPU_INFO_FW_VCE:
211 		fw_info->ver = adev->vce.fw_version;
212 		fw_info->feature = adev->vce.fb_version;
213 		break;
214 	case AMDGPU_INFO_FW_UVD:
215 		fw_info->ver = adev->uvd.fw_version;
216 		fw_info->feature = 0;
217 		break;
218 	case AMDGPU_INFO_FW_VCN:
219 		fw_info->ver = adev->vcn.fw_version;
220 		fw_info->feature = 0;
221 		break;
222 	case AMDGPU_INFO_FW_GMC:
223 		fw_info->ver = adev->gmc.fw_version;
224 		fw_info->feature = 0;
225 		break;
226 	case AMDGPU_INFO_FW_GFX_ME:
227 		fw_info->ver = adev->gfx.me_fw_version;
228 		fw_info->feature = adev->gfx.me_feature_version;
229 		break;
230 	case AMDGPU_INFO_FW_GFX_PFP:
231 		fw_info->ver = adev->gfx.pfp_fw_version;
232 		fw_info->feature = adev->gfx.pfp_feature_version;
233 		break;
234 	case AMDGPU_INFO_FW_GFX_CE:
235 		fw_info->ver = adev->gfx.ce_fw_version;
236 		fw_info->feature = adev->gfx.ce_feature_version;
237 		break;
238 	case AMDGPU_INFO_FW_GFX_RLC:
239 		fw_info->ver = adev->gfx.rlc_fw_version;
240 		fw_info->feature = adev->gfx.rlc_feature_version;
241 		break;
242 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
243 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
244 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
245 		break;
246 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
247 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
248 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
249 		break;
250 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
251 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
252 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
253 		break;
254 	case AMDGPU_INFO_FW_GFX_MEC:
255 		if (query_fw->index == 0) {
256 			fw_info->ver = adev->gfx.mec_fw_version;
257 			fw_info->feature = adev->gfx.mec_feature_version;
258 		} else if (query_fw->index == 1) {
259 			fw_info->ver = adev->gfx.mec2_fw_version;
260 			fw_info->feature = adev->gfx.mec2_feature_version;
261 		} else
262 			return -EINVAL;
263 		break;
264 	case AMDGPU_INFO_FW_SMC:
265 		fw_info->ver = adev->pm.fw_version;
266 		fw_info->feature = 0;
267 		break;
268 	case AMDGPU_INFO_FW_TA:
269 		switch (query_fw->index) {
270 		case TA_FW_TYPE_PSP_XGMI:
271 			fw_info->ver = adev->psp.xgmi_context.context.bin_desc.fw_version;
272 			fw_info->feature = adev->psp.xgmi_context.context
273 						   .bin_desc.feature_version;
274 			break;
275 		case TA_FW_TYPE_PSP_RAS:
276 			fw_info->ver = adev->psp.ras_context.context.bin_desc.fw_version;
277 			fw_info->feature = adev->psp.ras_context.context
278 						   .bin_desc.feature_version;
279 			break;
280 		case TA_FW_TYPE_PSP_HDCP:
281 			fw_info->ver = adev->psp.hdcp_context.context.bin_desc.fw_version;
282 			fw_info->feature = adev->psp.hdcp_context.context
283 						   .bin_desc.feature_version;
284 			break;
285 		case TA_FW_TYPE_PSP_DTM:
286 			fw_info->ver = adev->psp.dtm_context.context.bin_desc.fw_version;
287 			fw_info->feature = adev->psp.dtm_context.context
288 						   .bin_desc.feature_version;
289 			break;
290 		case TA_FW_TYPE_PSP_RAP:
291 			fw_info->ver = adev->psp.rap_context.context.bin_desc.fw_version;
292 			fw_info->feature = adev->psp.rap_context.context
293 						   .bin_desc.feature_version;
294 			break;
295 		case TA_FW_TYPE_PSP_SECUREDISPLAY:
296 			fw_info->ver = adev->psp.securedisplay_context.context.bin_desc.fw_version;
297 			fw_info->feature =
298 				adev->psp.securedisplay_context.context.bin_desc
299 					.feature_version;
300 			break;
301 		default:
302 			return -EINVAL;
303 		}
304 		break;
305 	case AMDGPU_INFO_FW_SDMA:
306 		if (query_fw->index >= adev->sdma.num_instances)
307 			return -EINVAL;
308 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
309 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
310 		break;
311 	case AMDGPU_INFO_FW_SOS:
312 		fw_info->ver = adev->psp.sos.fw_version;
313 		fw_info->feature = adev->psp.sos.feature_version;
314 		break;
315 	case AMDGPU_INFO_FW_ASD:
316 		fw_info->ver = adev->psp.asd_context.bin_desc.fw_version;
317 		fw_info->feature = adev->psp.asd_context.bin_desc.feature_version;
318 		break;
319 	case AMDGPU_INFO_FW_DMCU:
320 		fw_info->ver = adev->dm.dmcu_fw_version;
321 		fw_info->feature = 0;
322 		break;
323 	case AMDGPU_INFO_FW_DMCUB:
324 		fw_info->ver = adev->dm.dmcub_fw_version;
325 		fw_info->feature = 0;
326 		break;
327 	case AMDGPU_INFO_FW_TOC:
328 		fw_info->ver = adev->psp.toc.fw_version;
329 		fw_info->feature = adev->psp.toc.feature_version;
330 		break;
331 	case AMDGPU_INFO_FW_CAP:
332 		fw_info->ver = adev->psp.cap_fw_version;
333 		fw_info->feature = adev->psp.cap_feature_version;
334 		break;
335 	default:
336 		return -EINVAL;
337 	}
338 	return 0;
339 }
340 
341 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
342 			     struct drm_amdgpu_info *info,
343 			     struct drm_amdgpu_info_hw_ip *result)
344 {
345 	uint32_t ib_start_alignment = 0;
346 	uint32_t ib_size_alignment = 0;
347 	enum amd_ip_block_type type;
348 	unsigned int num_rings = 0;
349 	unsigned int i, j;
350 
351 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
352 		return -EINVAL;
353 
354 	switch (info->query_hw_ip.type) {
355 	case AMDGPU_HW_IP_GFX:
356 		type = AMD_IP_BLOCK_TYPE_GFX;
357 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
358 			if (adev->gfx.gfx_ring[i].sched.ready)
359 				++num_rings;
360 		ib_start_alignment = 32;
361 		ib_size_alignment = 32;
362 		break;
363 	case AMDGPU_HW_IP_COMPUTE:
364 		type = AMD_IP_BLOCK_TYPE_GFX;
365 		for (i = 0; i < adev->gfx.num_compute_rings; i++)
366 			if (adev->gfx.compute_ring[i].sched.ready)
367 				++num_rings;
368 		ib_start_alignment = 32;
369 		ib_size_alignment = 32;
370 		break;
371 	case AMDGPU_HW_IP_DMA:
372 		type = AMD_IP_BLOCK_TYPE_SDMA;
373 		for (i = 0; i < adev->sdma.num_instances; i++)
374 			if (adev->sdma.instance[i].ring.sched.ready)
375 				++num_rings;
376 		ib_start_alignment = 256;
377 		ib_size_alignment = 4;
378 		break;
379 	case AMDGPU_HW_IP_UVD:
380 		type = AMD_IP_BLOCK_TYPE_UVD;
381 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
382 			if (adev->uvd.harvest_config & (1 << i))
383 				continue;
384 
385 			if (adev->uvd.inst[i].ring.sched.ready)
386 				++num_rings;
387 		}
388 		ib_start_alignment = 64;
389 		ib_size_alignment = 64;
390 		break;
391 	case AMDGPU_HW_IP_VCE:
392 		type = AMD_IP_BLOCK_TYPE_VCE;
393 		for (i = 0; i < adev->vce.num_rings; i++)
394 			if (adev->vce.ring[i].sched.ready)
395 				++num_rings;
396 		ib_start_alignment = 4;
397 		ib_size_alignment = 1;
398 		break;
399 	case AMDGPU_HW_IP_UVD_ENC:
400 		type = AMD_IP_BLOCK_TYPE_UVD;
401 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
402 			if (adev->uvd.harvest_config & (1 << i))
403 				continue;
404 
405 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
406 				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
407 					++num_rings;
408 		}
409 		ib_start_alignment = 64;
410 		ib_size_alignment = 64;
411 		break;
412 	case AMDGPU_HW_IP_VCN_DEC:
413 		type = AMD_IP_BLOCK_TYPE_VCN;
414 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
415 			if (adev->uvd.harvest_config & (1 << i))
416 				continue;
417 
418 			if (adev->vcn.inst[i].ring_dec.sched.ready)
419 				++num_rings;
420 		}
421 		ib_start_alignment = 16;
422 		ib_size_alignment = 16;
423 		break;
424 	case AMDGPU_HW_IP_VCN_ENC:
425 		type = AMD_IP_BLOCK_TYPE_VCN;
426 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
427 			if (adev->uvd.harvest_config & (1 << i))
428 				continue;
429 
430 			for (j = 0; j < adev->vcn.num_enc_rings; j++)
431 				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
432 					++num_rings;
433 		}
434 		ib_start_alignment = 64;
435 		ib_size_alignment = 1;
436 		break;
437 	case AMDGPU_HW_IP_VCN_JPEG:
438 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
439 			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
440 
441 		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
442 			if (adev->jpeg.harvest_config & (1 << i))
443 				continue;
444 
445 			if (adev->jpeg.inst[i].ring_dec.sched.ready)
446 				++num_rings;
447 		}
448 		ib_start_alignment = 16;
449 		ib_size_alignment = 16;
450 		break;
451 	default:
452 		return -EINVAL;
453 	}
454 
455 	for (i = 0; i < adev->num_ip_blocks; i++)
456 		if (adev->ip_blocks[i].version->type == type &&
457 		    adev->ip_blocks[i].status.valid)
458 			break;
459 
460 	if (i == adev->num_ip_blocks)
461 		return 0;
462 
463 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
464 			num_rings);
465 
466 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
467 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
468 	result->capabilities_flags = 0;
469 	result->available_rings = (1 << num_rings) - 1;
470 	result->ib_start_alignment = ib_start_alignment;
471 	result->ib_size_alignment = ib_size_alignment;
472 	return 0;
473 }
474 
475 /*
476  * Userspace get information ioctl
477  */
478 /**
479  * amdgpu_info_ioctl - answer a device specific request.
480  *
481  * @dev: drm device pointer
482  * @data: request object
483  * @filp: drm filp
484  *
485  * This function is used to pass device specific parameters to the userspace
486  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
487  * etc. (all asics).
488  * Returns 0 on success, -EINVAL on failure.
489  */
490 int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
491 {
492 	struct amdgpu_device *adev = drm_to_adev(dev);
493 	struct drm_amdgpu_info *info = data;
494 	struct amdgpu_mode_info *minfo = &adev->mode_info;
495 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
496 	uint32_t size = info->return_size;
497 	struct drm_crtc *crtc;
498 	uint32_t ui32 = 0;
499 	uint64_t ui64 = 0;
500 	int i, found;
501 	int ui32_size = sizeof(ui32);
502 
503 	if (!info->return_size || !info->return_pointer)
504 		return -EINVAL;
505 
506 	switch (info->query) {
507 	case AMDGPU_INFO_ACCEL_WORKING:
508 		ui32 = adev->accel_working;
509 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
510 	case AMDGPU_INFO_CRTC_FROM_ID:
511 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
512 			crtc = (struct drm_crtc *)minfo->crtcs[i];
513 			if (crtc && crtc->base.id == info->mode_crtc.id) {
514 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
515 				ui32 = amdgpu_crtc->crtc_id;
516 				found = 1;
517 				break;
518 			}
519 		}
520 		if (!found) {
521 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
522 			return -EINVAL;
523 		}
524 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
525 	case AMDGPU_INFO_HW_IP_INFO: {
526 		struct drm_amdgpu_info_hw_ip ip = {};
527 		int ret;
528 
529 		ret = amdgpu_hw_ip_info(adev, info, &ip);
530 		if (ret)
531 			return ret;
532 
533 		ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
534 		return ret ? -EFAULT : 0;
535 	}
536 	case AMDGPU_INFO_HW_IP_COUNT: {
537 		enum amd_ip_block_type type;
538 		uint32_t count = 0;
539 
540 		switch (info->query_hw_ip.type) {
541 		case AMDGPU_HW_IP_GFX:
542 			type = AMD_IP_BLOCK_TYPE_GFX;
543 			break;
544 		case AMDGPU_HW_IP_COMPUTE:
545 			type = AMD_IP_BLOCK_TYPE_GFX;
546 			break;
547 		case AMDGPU_HW_IP_DMA:
548 			type = AMD_IP_BLOCK_TYPE_SDMA;
549 			break;
550 		case AMDGPU_HW_IP_UVD:
551 			type = AMD_IP_BLOCK_TYPE_UVD;
552 			break;
553 		case AMDGPU_HW_IP_VCE:
554 			type = AMD_IP_BLOCK_TYPE_VCE;
555 			break;
556 		case AMDGPU_HW_IP_UVD_ENC:
557 			type = AMD_IP_BLOCK_TYPE_UVD;
558 			break;
559 		case AMDGPU_HW_IP_VCN_DEC:
560 		case AMDGPU_HW_IP_VCN_ENC:
561 			type = AMD_IP_BLOCK_TYPE_VCN;
562 			break;
563 		case AMDGPU_HW_IP_VCN_JPEG:
564 			type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
565 				AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
566 			break;
567 		default:
568 			return -EINVAL;
569 		}
570 
571 		for (i = 0; i < adev->num_ip_blocks; i++)
572 			if (adev->ip_blocks[i].version->type == type &&
573 			    adev->ip_blocks[i].status.valid &&
574 			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
575 				count++;
576 
577 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
578 	}
579 	case AMDGPU_INFO_TIMESTAMP:
580 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
581 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
582 	case AMDGPU_INFO_FW_VERSION: {
583 		struct drm_amdgpu_info_firmware fw_info;
584 		int ret;
585 
586 		/* We only support one instance of each IP block right now. */
587 		if (info->query_fw.ip_instance != 0)
588 			return -EINVAL;
589 
590 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
591 		if (ret)
592 			return ret;
593 
594 		return copy_to_user(out, &fw_info,
595 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
596 	}
597 	case AMDGPU_INFO_NUM_BYTES_MOVED:
598 		ui64 = atomic64_read(&adev->num_bytes_moved);
599 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
600 	case AMDGPU_INFO_NUM_EVICTIONS:
601 		ui64 = atomic64_read(&adev->num_evictions);
602 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
603 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
604 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
605 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
606 	case AMDGPU_INFO_VRAM_USAGE:
607 		ui64 = ttm_resource_manager_usage(&adev->mman.vram_mgr.manager);
608 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
609 	case AMDGPU_INFO_VIS_VRAM_USAGE:
610 		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
611 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
612 	case AMDGPU_INFO_GTT_USAGE:
613 		ui64 = ttm_resource_manager_usage(&adev->mman.gtt_mgr.manager);
614 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
615 	case AMDGPU_INFO_GDS_CONFIG: {
616 		struct drm_amdgpu_info_gds gds_info;
617 
618 		memset(&gds_info, 0, sizeof(gds_info));
619 		gds_info.compute_partition_size = adev->gds.gds_size;
620 		gds_info.gds_total_size = adev->gds.gds_size;
621 		gds_info.gws_per_compute_partition = adev->gds.gws_size;
622 		gds_info.oa_per_compute_partition = adev->gds.oa_size;
623 		return copy_to_user(out, &gds_info,
624 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
625 	}
626 	case AMDGPU_INFO_VRAM_GTT: {
627 		struct drm_amdgpu_info_vram_gtt vram_gtt;
628 
629 		vram_gtt.vram_size = adev->gmc.real_vram_size -
630 			atomic64_read(&adev->vram_pin_size) -
631 			AMDGPU_VM_RESERVED_VRAM;
632 		vram_gtt.vram_cpu_accessible_size =
633 			min(adev->gmc.visible_vram_size -
634 			    atomic64_read(&adev->visible_pin_size),
635 			    vram_gtt.vram_size);
636 		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
637 		vram_gtt.gtt_size *= PAGE_SIZE;
638 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
639 		return copy_to_user(out, &vram_gtt,
640 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
641 	}
642 	case AMDGPU_INFO_MEMORY: {
643 		struct drm_amdgpu_memory_info mem;
644 		struct ttm_resource_manager *gtt_man =
645 			&adev->mman.gtt_mgr.manager;
646 		struct ttm_resource_manager *vram_man =
647 			&adev->mman.vram_mgr.manager;
648 
649 		memset(&mem, 0, sizeof(mem));
650 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
651 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
652 			atomic64_read(&adev->vram_pin_size) -
653 			AMDGPU_VM_RESERVED_VRAM;
654 		mem.vram.heap_usage =
655 			ttm_resource_manager_usage(vram_man);
656 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
657 
658 		mem.cpu_accessible_vram.total_heap_size =
659 			adev->gmc.visible_vram_size;
660 		mem.cpu_accessible_vram.usable_heap_size =
661 			min(adev->gmc.visible_vram_size -
662 			    atomic64_read(&adev->visible_pin_size),
663 			    mem.vram.usable_heap_size);
664 		mem.cpu_accessible_vram.heap_usage =
665 			amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
666 		mem.cpu_accessible_vram.max_allocation =
667 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
668 
669 		mem.gtt.total_heap_size = gtt_man->size;
670 		mem.gtt.total_heap_size *= PAGE_SIZE;
671 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
672 			atomic64_read(&adev->gart_pin_size);
673 		mem.gtt.heap_usage = ttm_resource_manager_usage(gtt_man);
674 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
675 
676 		return copy_to_user(out, &mem,
677 				    min((size_t)size, sizeof(mem)))
678 				    ? -EFAULT : 0;
679 	}
680 	case AMDGPU_INFO_READ_MMR_REG: {
681 		unsigned n, alloc_size;
682 		uint32_t *regs;
683 		unsigned se_num = (info->read_mmr_reg.instance >>
684 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
685 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
686 		unsigned sh_num = (info->read_mmr_reg.instance >>
687 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
688 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
689 
690 		/* set full masks if the userspace set all bits
691 		 * in the bitfields */
692 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
693 			se_num = 0xffffffff;
694 		else if (se_num >= AMDGPU_GFX_MAX_SE)
695 			return -EINVAL;
696 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
697 			sh_num = 0xffffffff;
698 		else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
699 			return -EINVAL;
700 
701 		if (info->read_mmr_reg.count > 128)
702 			return -EINVAL;
703 
704 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
705 		if (!regs)
706 			return -ENOMEM;
707 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
708 
709 		amdgpu_gfx_off_ctrl(adev, false);
710 		for (i = 0; i < info->read_mmr_reg.count; i++) {
711 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
712 						      info->read_mmr_reg.dword_offset + i,
713 						      &regs[i])) {
714 				DRM_DEBUG_KMS("unallowed offset %#x\n",
715 					      info->read_mmr_reg.dword_offset + i);
716 				kfree(regs);
717 				amdgpu_gfx_off_ctrl(adev, true);
718 				return -EFAULT;
719 			}
720 		}
721 		amdgpu_gfx_off_ctrl(adev, true);
722 		n = copy_to_user(out, regs, min(size, alloc_size));
723 		kfree(regs);
724 		return n ? -EFAULT : 0;
725 	}
726 	case AMDGPU_INFO_DEV_INFO: {
727 		struct drm_amdgpu_info_device *dev_info;
728 		uint64_t vm_size;
729 		int ret;
730 
731 		dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
732 		if (!dev_info)
733 			return -ENOMEM;
734 
735 		dev_info->device_id = adev->pdev->device;
736 		dev_info->chip_rev = adev->rev_id;
737 		dev_info->external_rev = adev->external_rev_id;
738 		dev_info->pci_rev = adev->pdev->revision;
739 		dev_info->family = adev->family;
740 		dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
741 		dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
742 		/* return all clocks in KHz */
743 		dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
744 		if (adev->pm.dpm_enabled) {
745 			dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
746 			dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
747 		} else {
748 			dev_info->max_engine_clock = adev->clock.default_sclk * 10;
749 			dev_info->max_memory_clock = adev->clock.default_mclk * 10;
750 		}
751 		dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
752 		dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
753 			adev->gfx.config.max_shader_engines;
754 		dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
755 		dev_info->_pad = 0;
756 		dev_info->ids_flags = 0;
757 		if (adev->flags & AMD_IS_APU)
758 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
759 		if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
760 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
761 		if (amdgpu_is_tmz(adev))
762 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
763 
764 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
765 		vm_size -= AMDGPU_VA_RESERVED_SIZE;
766 
767 		/* Older VCE FW versions are buggy and can handle only 40bits */
768 		if (adev->vce.fw_version &&
769 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
770 			vm_size = min(vm_size, 1ULL << 40);
771 
772 		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
773 		dev_info->virtual_address_max =
774 			min(vm_size, AMDGPU_GMC_HOLE_START);
775 
776 		if (vm_size > AMDGPU_GMC_HOLE_START) {
777 			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
778 			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
779 		}
780 		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
781 		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
782 		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
783 		dev_info->cu_active_number = adev->gfx.cu_info.number;
784 		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
785 		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
786 		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
787 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
788 		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
789 		       sizeof(adev->gfx.cu_info.bitmap));
790 		dev_info->vram_type = adev->gmc.vram_type;
791 		dev_info->vram_bit_width = adev->gmc.vram_width;
792 		dev_info->vce_harvest_config = adev->vce.harvest_config;
793 		dev_info->gc_double_offchip_lds_buf =
794 			adev->gfx.config.double_offchip_lds_buf;
795 		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
796 		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
797 		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
798 		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
799 		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
800 		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
801 		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
802 
803 		if (adev->family >= AMDGPU_FAMILY_NV)
804 			dev_info->pa_sc_tile_steering_override =
805 				adev->gfx.config.pa_sc_tile_steering_override;
806 
807 		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
808 
809 		ret = copy_to_user(out, dev_info,
810 				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
811 		kfree(dev_info);
812 		return ret;
813 	}
814 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
815 		unsigned i;
816 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
817 		struct amd_vce_state *vce_state;
818 
819 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
820 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
821 			if (vce_state) {
822 				vce_clk_table.entries[i].sclk = vce_state->sclk;
823 				vce_clk_table.entries[i].mclk = vce_state->mclk;
824 				vce_clk_table.entries[i].eclk = vce_state->evclk;
825 				vce_clk_table.num_valid_entries++;
826 			}
827 		}
828 
829 		return copy_to_user(out, &vce_clk_table,
830 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
831 	}
832 	case AMDGPU_INFO_VBIOS: {
833 		uint32_t bios_size = adev->bios_size;
834 
835 		switch (info->vbios_info.type) {
836 		case AMDGPU_INFO_VBIOS_SIZE:
837 			return copy_to_user(out, &bios_size,
838 					min((size_t)size, sizeof(bios_size)))
839 					? -EFAULT : 0;
840 		case AMDGPU_INFO_VBIOS_IMAGE: {
841 			uint8_t *bios;
842 			uint32_t bios_offset = info->vbios_info.offset;
843 
844 			if (bios_offset >= bios_size)
845 				return -EINVAL;
846 
847 			bios = adev->bios + bios_offset;
848 			return copy_to_user(out, bios,
849 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
850 					? -EFAULT : 0;
851 		}
852 		case AMDGPU_INFO_VBIOS_INFO: {
853 			struct drm_amdgpu_info_vbios vbios_info = {};
854 			struct atom_context *atom_context;
855 
856 			atom_context = adev->mode_info.atom_context;
857 			memcpy(vbios_info.name, atom_context->name, sizeof(atom_context->name));
858 			memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, sizeof(atom_context->vbios_pn));
859 			vbios_info.version = atom_context->version;
860 			memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
861 						sizeof(atom_context->vbios_ver_str));
862 			memcpy(vbios_info.date, atom_context->date, sizeof(atom_context->date));
863 
864 			return copy_to_user(out, &vbios_info,
865 						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
866 		}
867 		default:
868 			DRM_DEBUG_KMS("Invalid request %d\n",
869 					info->vbios_info.type);
870 			return -EINVAL;
871 		}
872 	}
873 	case AMDGPU_INFO_NUM_HANDLES: {
874 		struct drm_amdgpu_info_num_handles handle;
875 
876 		switch (info->query_hw_ip.type) {
877 		case AMDGPU_HW_IP_UVD:
878 			/* Starting Polaris, we support unlimited UVD handles */
879 			if (adev->asic_type < CHIP_POLARIS10) {
880 				handle.uvd_max_handles = adev->uvd.max_handles;
881 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
882 
883 				return copy_to_user(out, &handle,
884 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
885 			} else {
886 				return -ENODATA;
887 			}
888 
889 			break;
890 		default:
891 			return -EINVAL;
892 		}
893 	}
894 	case AMDGPU_INFO_SENSOR: {
895 		if (!adev->pm.dpm_enabled)
896 			return -ENOENT;
897 
898 		switch (info->sensor_info.type) {
899 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
900 			/* get sclk in Mhz */
901 			if (amdgpu_dpm_read_sensor(adev,
902 						   AMDGPU_PP_SENSOR_GFX_SCLK,
903 						   (void *)&ui32, &ui32_size)) {
904 				return -EINVAL;
905 			}
906 			ui32 /= 100;
907 			break;
908 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
909 			/* get mclk in Mhz */
910 			if (amdgpu_dpm_read_sensor(adev,
911 						   AMDGPU_PP_SENSOR_GFX_MCLK,
912 						   (void *)&ui32, &ui32_size)) {
913 				return -EINVAL;
914 			}
915 			ui32 /= 100;
916 			break;
917 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
918 			/* get temperature in millidegrees C */
919 			if (amdgpu_dpm_read_sensor(adev,
920 						   AMDGPU_PP_SENSOR_GPU_TEMP,
921 						   (void *)&ui32, &ui32_size)) {
922 				return -EINVAL;
923 			}
924 			break;
925 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
926 			/* get GPU load */
927 			if (amdgpu_dpm_read_sensor(adev,
928 						   AMDGPU_PP_SENSOR_GPU_LOAD,
929 						   (void *)&ui32, &ui32_size)) {
930 				return -EINVAL;
931 			}
932 			break;
933 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
934 			/* get average GPU power */
935 			if (amdgpu_dpm_read_sensor(adev,
936 						   AMDGPU_PP_SENSOR_GPU_POWER,
937 						   (void *)&ui32, &ui32_size)) {
938 				return -EINVAL;
939 			}
940 			ui32 >>= 8;
941 			break;
942 		case AMDGPU_INFO_SENSOR_VDDNB:
943 			/* get VDDNB in millivolts */
944 			if (amdgpu_dpm_read_sensor(adev,
945 						   AMDGPU_PP_SENSOR_VDDNB,
946 						   (void *)&ui32, &ui32_size)) {
947 				return -EINVAL;
948 			}
949 			break;
950 		case AMDGPU_INFO_SENSOR_VDDGFX:
951 			/* get VDDGFX in millivolts */
952 			if (amdgpu_dpm_read_sensor(adev,
953 						   AMDGPU_PP_SENSOR_VDDGFX,
954 						   (void *)&ui32, &ui32_size)) {
955 				return -EINVAL;
956 			}
957 			break;
958 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
959 			/* get stable pstate sclk in Mhz */
960 			if (amdgpu_dpm_read_sensor(adev,
961 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
962 						   (void *)&ui32, &ui32_size)) {
963 				return -EINVAL;
964 			}
965 			ui32 /= 100;
966 			break;
967 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
968 			/* get stable pstate mclk in Mhz */
969 			if (amdgpu_dpm_read_sensor(adev,
970 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
971 						   (void *)&ui32, &ui32_size)) {
972 				return -EINVAL;
973 			}
974 			ui32 /= 100;
975 			break;
976 		default:
977 			DRM_DEBUG_KMS("Invalid request %d\n",
978 				      info->sensor_info.type);
979 			return -EINVAL;
980 		}
981 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
982 	}
983 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
984 		ui32 = atomic_read(&adev->vram_lost_counter);
985 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
986 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
987 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
988 		uint64_t ras_mask;
989 
990 		if (!ras)
991 			return -EINVAL;
992 		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
993 
994 		return copy_to_user(out, &ras_mask,
995 				min_t(u64, size, sizeof(ras_mask))) ?
996 			-EFAULT : 0;
997 	}
998 	case AMDGPU_INFO_VIDEO_CAPS: {
999 		const struct amdgpu_video_codecs *codecs;
1000 		struct drm_amdgpu_info_video_caps *caps;
1001 		int r;
1002 
1003 		switch (info->video_cap.type) {
1004 		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1005 			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1006 			if (r)
1007 				return -EINVAL;
1008 			break;
1009 		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1010 			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1011 			if (r)
1012 				return -EINVAL;
1013 			break;
1014 		default:
1015 			DRM_DEBUG_KMS("Invalid request %d\n",
1016 				      info->video_cap.type);
1017 			return -EINVAL;
1018 		}
1019 
1020 		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1021 		if (!caps)
1022 			return -ENOMEM;
1023 
1024 		for (i = 0; i < codecs->codec_count; i++) {
1025 			int idx = codecs->codec_array[i].codec_type;
1026 
1027 			switch (idx) {
1028 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1029 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1030 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1031 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1032 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1033 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1034 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1035 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1036 				caps->codec_info[idx].valid = 1;
1037 				caps->codec_info[idx].max_width =
1038 					codecs->codec_array[i].max_width;
1039 				caps->codec_info[idx].max_height =
1040 					codecs->codec_array[i].max_height;
1041 				caps->codec_info[idx].max_pixels_per_frame =
1042 					codecs->codec_array[i].max_pixels_per_frame;
1043 				caps->codec_info[idx].max_level =
1044 					codecs->codec_array[i].max_level;
1045 				break;
1046 			default:
1047 				break;
1048 			}
1049 		}
1050 		r = copy_to_user(out, caps,
1051 				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1052 		kfree(caps);
1053 		return r;
1054 	}
1055 	default:
1056 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1057 		return -EINVAL;
1058 	}
1059 	return 0;
1060 }
1061 
1062 
1063 /*
1064  * Outdated mess for old drm with Xorg being in charge (void function now).
1065  */
1066 /**
1067  * amdgpu_driver_lastclose_kms - drm callback for last close
1068  *
1069  * @dev: drm dev pointer
1070  *
1071  * Switch vga_switcheroo state after last close (all asics).
1072  */
1073 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
1074 {
1075 	drm_fb_helper_lastclose(dev);
1076 	vga_switcheroo_process_delayed_switch();
1077 }
1078 
1079 /**
1080  * amdgpu_driver_open_kms - drm callback for open
1081  *
1082  * @dev: drm dev pointer
1083  * @file_priv: drm file
1084  *
1085  * On device open, init vm on cayman+ (all asics).
1086  * Returns 0 on success, error on failure.
1087  */
1088 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1089 {
1090 	struct amdgpu_device *adev = drm_to_adev(dev);
1091 	struct amdgpu_fpriv *fpriv;
1092 	int r, pasid;
1093 
1094 	/* Ensure IB tests are run on ring */
1095 	flush_delayed_work(&adev->delayed_init_work);
1096 
1097 
1098 	if (amdgpu_ras_intr_triggered()) {
1099 		DRM_ERROR("RAS Intr triggered, device disabled!!");
1100 		return -EHWPOISON;
1101 	}
1102 
1103 	file_priv->driver_priv = NULL;
1104 
1105 	r = pm_runtime_get_sync(dev->dev);
1106 	if (r < 0)
1107 		goto pm_put;
1108 
1109 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1110 	if (unlikely(!fpriv)) {
1111 		r = -ENOMEM;
1112 		goto out_suspend;
1113 	}
1114 
1115 	pasid = amdgpu_pasid_alloc(16);
1116 	if (pasid < 0) {
1117 		dev_warn(adev->dev, "No more PASIDs available!");
1118 		pasid = 0;
1119 	}
1120 
1121 	r = amdgpu_vm_init(adev, &fpriv->vm);
1122 	if (r)
1123 		goto error_pasid;
1124 
1125 	r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
1126 	if (r)
1127 		goto error_vm;
1128 
1129 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1130 	if (!fpriv->prt_va) {
1131 		r = -ENOMEM;
1132 		goto error_vm;
1133 	}
1134 
1135 	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1136 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1137 
1138 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1139 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1140 		if (r)
1141 			goto error_vm;
1142 	}
1143 
1144 	mutex_init(&fpriv->bo_list_lock);
1145 	idr_init(&fpriv->bo_list_handles);
1146 
1147 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
1148 
1149 	file_priv->driver_priv = fpriv;
1150 	goto out_suspend;
1151 
1152 error_vm:
1153 	amdgpu_vm_fini(adev, &fpriv->vm);
1154 
1155 error_pasid:
1156 	if (pasid) {
1157 		amdgpu_pasid_free(pasid);
1158 		amdgpu_vm_set_pasid(adev, &fpriv->vm, 0);
1159 	}
1160 
1161 	kfree(fpriv);
1162 
1163 out_suspend:
1164 	pm_runtime_mark_last_busy(dev->dev);
1165 pm_put:
1166 	pm_runtime_put_autosuspend(dev->dev);
1167 
1168 	return r;
1169 }
1170 
1171 /**
1172  * amdgpu_driver_postclose_kms - drm callback for post close
1173  *
1174  * @dev: drm dev pointer
1175  * @file_priv: drm file
1176  *
1177  * On device post close, tear down vm on cayman+ (all asics).
1178  */
1179 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1180 				 struct drm_file *file_priv)
1181 {
1182 	struct amdgpu_device *adev = drm_to_adev(dev);
1183 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1184 	struct amdgpu_bo_list *list;
1185 	struct amdgpu_bo *pd;
1186 	u32 pasid;
1187 	int handle;
1188 
1189 	if (!fpriv)
1190 		return;
1191 
1192 	pm_runtime_get_sync(dev->dev);
1193 
1194 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1195 		amdgpu_uvd_free_handles(adev, file_priv);
1196 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1197 		amdgpu_vce_free_handles(adev, file_priv);
1198 
1199 	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1200 		/* TODO: how to handle reserve failure */
1201 		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1202 		amdgpu_vm_bo_del(adev, fpriv->csa_va);
1203 		fpriv->csa_va = NULL;
1204 		amdgpu_bo_unreserve(adev->virt.csa_obj);
1205 	}
1206 
1207 	pasid = fpriv->vm.pasid;
1208 	pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1209 	if (!WARN_ON(amdgpu_bo_reserve(pd, true))) {
1210 		amdgpu_vm_bo_del(adev, fpriv->prt_va);
1211 		amdgpu_bo_unreserve(pd);
1212 	}
1213 
1214 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1215 	amdgpu_vm_fini(adev, &fpriv->vm);
1216 
1217 	if (pasid)
1218 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1219 	amdgpu_bo_unref(&pd);
1220 
1221 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1222 		amdgpu_bo_list_put(list);
1223 
1224 	idr_destroy(&fpriv->bo_list_handles);
1225 	mutex_destroy(&fpriv->bo_list_lock);
1226 
1227 	kfree(fpriv);
1228 	file_priv->driver_priv = NULL;
1229 
1230 	pm_runtime_mark_last_busy(dev->dev);
1231 	pm_runtime_put_autosuspend(dev->dev);
1232 }
1233 
1234 
1235 void amdgpu_driver_release_kms(struct drm_device *dev)
1236 {
1237 	struct amdgpu_device *adev = drm_to_adev(dev);
1238 
1239 	amdgpu_device_fini_sw(adev);
1240 	pci_set_drvdata(adev->pdev, NULL);
1241 }
1242 
1243 /*
1244  * VBlank related functions.
1245  */
1246 /**
1247  * amdgpu_get_vblank_counter_kms - get frame count
1248  *
1249  * @crtc: crtc to get the frame count from
1250  *
1251  * Gets the frame count on the requested crtc (all asics).
1252  * Returns frame count on success, -EINVAL on failure.
1253  */
1254 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1255 {
1256 	struct drm_device *dev = crtc->dev;
1257 	unsigned int pipe = crtc->index;
1258 	struct amdgpu_device *adev = drm_to_adev(dev);
1259 	int vpos, hpos, stat;
1260 	u32 count;
1261 
1262 	if (pipe >= adev->mode_info.num_crtc) {
1263 		DRM_ERROR("Invalid crtc %u\n", pipe);
1264 		return -EINVAL;
1265 	}
1266 
1267 	/* The hw increments its frame counter at start of vsync, not at start
1268 	 * of vblank, as is required by DRM core vblank counter handling.
1269 	 * Cook the hw count here to make it appear to the caller as if it
1270 	 * incremented at start of vblank. We measure distance to start of
1271 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1272 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1273 	 * result by 1 to give the proper appearance to caller.
1274 	 */
1275 	if (adev->mode_info.crtcs[pipe]) {
1276 		/* Repeat readout if needed to provide stable result if
1277 		 * we cross start of vsync during the queries.
1278 		 */
1279 		do {
1280 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1281 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1282 			 * vpos as distance to start of vblank, instead of
1283 			 * regular vertical scanout pos.
1284 			 */
1285 			stat = amdgpu_display_get_crtc_scanoutpos(
1286 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1287 				&vpos, &hpos, NULL, NULL,
1288 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1289 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1290 
1291 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1292 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1293 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1294 		} else {
1295 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1296 				      pipe, vpos);
1297 
1298 			/* Bump counter if we are at >= leading edge of vblank,
1299 			 * but before vsync where vpos would turn negative and
1300 			 * the hw counter really increments.
1301 			 */
1302 			if (vpos >= 0)
1303 				count++;
1304 		}
1305 	} else {
1306 		/* Fallback to use value as is. */
1307 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1308 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1309 	}
1310 
1311 	return count;
1312 }
1313 
1314 /**
1315  * amdgpu_enable_vblank_kms - enable vblank interrupt
1316  *
1317  * @crtc: crtc to enable vblank interrupt for
1318  *
1319  * Enable the interrupt on the requested crtc (all asics).
1320  * Returns 0 on success, -EINVAL on failure.
1321  */
1322 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1323 {
1324 	struct drm_device *dev = crtc->dev;
1325 	unsigned int pipe = crtc->index;
1326 	struct amdgpu_device *adev = drm_to_adev(dev);
1327 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1328 
1329 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1330 }
1331 
1332 /**
1333  * amdgpu_disable_vblank_kms - disable vblank interrupt
1334  *
1335  * @crtc: crtc to disable vblank interrupt for
1336  *
1337  * Disable the interrupt on the requested crtc (all asics).
1338  */
1339 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1340 {
1341 	struct drm_device *dev = crtc->dev;
1342 	unsigned int pipe = crtc->index;
1343 	struct amdgpu_device *adev = drm_to_adev(dev);
1344 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1345 
1346 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1347 }
1348 
1349 /*
1350  * Debugfs info
1351  */
1352 #if defined(CONFIG_DEBUG_FS)
1353 
1354 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1355 {
1356 	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
1357 	struct drm_amdgpu_info_firmware fw_info;
1358 	struct drm_amdgpu_query_fw query_fw;
1359 	struct atom_context *ctx = adev->mode_info.atom_context;
1360 	uint8_t smu_program, smu_major, smu_minor, smu_debug;
1361 	int ret, i;
1362 
1363 	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1364 #define TA_FW_NAME(type) [TA_FW_TYPE_PSP_##type] = #type
1365 		TA_FW_NAME(XGMI),
1366 		TA_FW_NAME(RAS),
1367 		TA_FW_NAME(HDCP),
1368 		TA_FW_NAME(DTM),
1369 		TA_FW_NAME(RAP),
1370 		TA_FW_NAME(SECUREDISPLAY),
1371 #undef TA_FW_NAME
1372 	};
1373 
1374 	/* VCE */
1375 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1376 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1377 	if (ret)
1378 		return ret;
1379 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1380 		   fw_info.feature, fw_info.ver);
1381 
1382 	/* UVD */
1383 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1384 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1385 	if (ret)
1386 		return ret;
1387 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1388 		   fw_info.feature, fw_info.ver);
1389 
1390 	/* GMC */
1391 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1392 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1393 	if (ret)
1394 		return ret;
1395 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1396 		   fw_info.feature, fw_info.ver);
1397 
1398 	/* ME */
1399 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1400 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1401 	if (ret)
1402 		return ret;
1403 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1404 		   fw_info.feature, fw_info.ver);
1405 
1406 	/* PFP */
1407 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1408 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1409 	if (ret)
1410 		return ret;
1411 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1412 		   fw_info.feature, fw_info.ver);
1413 
1414 	/* CE */
1415 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1416 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1417 	if (ret)
1418 		return ret;
1419 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1420 		   fw_info.feature, fw_info.ver);
1421 
1422 	/* RLC */
1423 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1424 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1425 	if (ret)
1426 		return ret;
1427 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1428 		   fw_info.feature, fw_info.ver);
1429 
1430 	/* RLC SAVE RESTORE LIST CNTL */
1431 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1432 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1433 	if (ret)
1434 		return ret;
1435 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1436 		   fw_info.feature, fw_info.ver);
1437 
1438 	/* RLC SAVE RESTORE LIST GPM MEM */
1439 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1440 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1441 	if (ret)
1442 		return ret;
1443 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1444 		   fw_info.feature, fw_info.ver);
1445 
1446 	/* RLC SAVE RESTORE LIST SRM MEM */
1447 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1448 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1449 	if (ret)
1450 		return ret;
1451 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1452 		   fw_info.feature, fw_info.ver);
1453 
1454 	/* MEC */
1455 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1456 	query_fw.index = 0;
1457 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1458 	if (ret)
1459 		return ret;
1460 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1461 		   fw_info.feature, fw_info.ver);
1462 
1463 	/* MEC2 */
1464 	if (adev->gfx.mec2_fw) {
1465 		query_fw.index = 1;
1466 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1467 		if (ret)
1468 			return ret;
1469 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1470 			   fw_info.feature, fw_info.ver);
1471 	}
1472 
1473 	/* PSP SOS */
1474 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1475 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1476 	if (ret)
1477 		return ret;
1478 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1479 		   fw_info.feature, fw_info.ver);
1480 
1481 
1482 	/* PSP ASD */
1483 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1484 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1485 	if (ret)
1486 		return ret;
1487 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1488 		   fw_info.feature, fw_info.ver);
1489 
1490 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1491 	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1492 		query_fw.index = i;
1493 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1494 		if (ret)
1495 			continue;
1496 
1497 		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1498 			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1499 	}
1500 
1501 	/* SMC */
1502 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1503 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1504 	if (ret)
1505 		return ret;
1506 	smu_program = (fw_info.ver >> 24) & 0xff;
1507 	smu_major = (fw_info.ver >> 16) & 0xff;
1508 	smu_minor = (fw_info.ver >> 8) & 0xff;
1509 	smu_debug = (fw_info.ver >> 0) & 0xff;
1510 	seq_printf(m, "SMC feature version: %u, program: %d, firmware version: 0x%08x (%d.%d.%d)\n",
1511 		   fw_info.feature, smu_program, fw_info.ver, smu_major, smu_minor, smu_debug);
1512 
1513 	/* SDMA */
1514 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1515 	for (i = 0; i < adev->sdma.num_instances; i++) {
1516 		query_fw.index = i;
1517 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1518 		if (ret)
1519 			return ret;
1520 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1521 			   i, fw_info.feature, fw_info.ver);
1522 	}
1523 
1524 	/* VCN */
1525 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1526 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1527 	if (ret)
1528 		return ret;
1529 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1530 		   fw_info.feature, fw_info.ver);
1531 
1532 	/* DMCU */
1533 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1534 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1535 	if (ret)
1536 		return ret;
1537 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1538 		   fw_info.feature, fw_info.ver);
1539 
1540 	/* DMCUB */
1541 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1542 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1543 	if (ret)
1544 		return ret;
1545 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1546 		   fw_info.feature, fw_info.ver);
1547 
1548 	/* TOC */
1549 	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1550 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1551 	if (ret)
1552 		return ret;
1553 	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1554 		   fw_info.feature, fw_info.ver);
1555 
1556 	/* CAP */
1557 	if (adev->psp.cap_fw) {
1558 		query_fw.fw_type = AMDGPU_INFO_FW_CAP;
1559 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1560 		if (ret)
1561 			return ret;
1562 		seq_printf(m, "CAP feature version: %u, firmware version: 0x%08x\n",
1563 				fw_info.feature, fw_info.ver);
1564 	}
1565 
1566 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1567 
1568 	return 0;
1569 }
1570 
1571 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1572 
1573 #endif
1574 
1575 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1576 {
1577 #if defined(CONFIG_DEBUG_FS)
1578 	struct drm_minor *minor = adev_to_drm(adev)->primary;
1579 	struct dentry *root = minor->debugfs_root;
1580 
1581 	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1582 			    adev, &amdgpu_debugfs_firmware_info_fops);
1583 
1584 #endif
1585 }
1586