xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c (revision bf62221e9d0e1e4ba50ab2b331a0008c15de97be)
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 /**
128  * amdgpu_driver_load_kms - Main load function for KMS.
129  *
130  * @adev: pointer to struct amdgpu_device
131  * @flags: device flags
132  *
133  * This is the main load function for KMS (all asics).
134  * Returns 0 on success, error on failure.
135  */
136 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
137 {
138 	struct drm_device *dev;
139 	struct pci_dev *parent;
140 	int r, acpi_status;
141 
142 	dev = adev_to_drm(adev);
143 
144 	if (amdgpu_has_atpx() &&
145 	    (amdgpu_is_atpx_hybrid() ||
146 	     amdgpu_has_atpx_dgpu_power_cntl()) &&
147 	    ((flags & AMD_IS_APU) == 0) &&
148 	    !pci_is_thunderbolt_attached(to_pci_dev(dev->dev)))
149 		flags |= AMD_IS_PX;
150 
151 	parent = pci_upstream_bridge(adev->pdev);
152 	adev->has_pr3 = parent ? pci_pr3_present(parent) : false;
153 
154 	/* amdgpu_device_init should report only fatal error
155 	 * like memory allocation failure or iomapping failure,
156 	 * or memory manager initialization failure, it must
157 	 * properly initialize the GPU MC controller and permit
158 	 * VRAM allocation
159 	 */
160 	r = amdgpu_device_init(adev, flags);
161 	if (r) {
162 		dev_err(dev->dev, "Fatal error during GPU init\n");
163 		goto out;
164 	}
165 
166 	if (amdgpu_device_supports_px(dev) &&
167 	    (amdgpu_runtime_pm != 0)) { /* enable runpm by default for atpx */
168 		adev->runpm = true;
169 		dev_info(adev->dev, "Using ATPX for runtime pm\n");
170 	} else if (amdgpu_device_supports_boco(dev) &&
171 		   (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
172 		adev->runpm = true;
173 		dev_info(adev->dev, "Using BOCO for runtime pm\n");
174 	} else if (amdgpu_device_supports_baco(dev) &&
175 		   (amdgpu_runtime_pm != 0)) {
176 		switch (adev->asic_type) {
177 		case CHIP_VEGA20:
178 		case CHIP_ARCTURUS:
179 			/* enable runpm if runpm=1 */
180 			if (amdgpu_runtime_pm > 0)
181 				adev->runpm = true;
182 			break;
183 		case CHIP_VEGA10:
184 			/* turn runpm on if noretry=0 */
185 			if (!adev->gmc.noretry)
186 				adev->runpm = true;
187 			break;
188 		default:
189 			/* enable runpm on CI+ */
190 			adev->runpm = true;
191 			break;
192 		}
193 		if (adev->runpm)
194 			dev_info(adev->dev, "Using BACO for runtime pm\n");
195 	}
196 
197 	/* Call ACPI methods: require modeset init
198 	 * but failure is not fatal
199 	 */
200 
201 	acpi_status = amdgpu_acpi_init(adev);
202 	if (acpi_status)
203 		dev_dbg(dev->dev, "Error during ACPI methods call\n");
204 
205 	if (adev->runpm) {
206 		/* only need to skip on ATPX */
207 		if (amdgpu_device_supports_px(dev))
208 			dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
209 		/* we want direct complete for BOCO */
210 		if (amdgpu_device_supports_boco(dev))
211 			dev_pm_set_driver_flags(dev->dev, DPM_FLAG_SMART_PREPARE |
212 						DPM_FLAG_SMART_SUSPEND |
213 						DPM_FLAG_MAY_SKIP_RESUME);
214 		pm_runtime_use_autosuspend(dev->dev);
215 		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
216 		pm_runtime_allow(dev->dev);
217 		pm_runtime_mark_last_busy(dev->dev);
218 		pm_runtime_put_autosuspend(dev->dev);
219 	}
220 
221 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
222 		DRM_WARN("smart shift update failed\n");
223 
224 out:
225 	if (r) {
226 		/* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
227 		if (adev->rmmio && adev->runpm)
228 			pm_runtime_put_noidle(dev->dev);
229 		amdgpu_driver_unload_kms(dev);
230 	}
231 
232 	return r;
233 }
234 
235 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
236 				struct drm_amdgpu_query_fw *query_fw,
237 				struct amdgpu_device *adev)
238 {
239 	switch (query_fw->fw_type) {
240 	case AMDGPU_INFO_FW_VCE:
241 		fw_info->ver = adev->vce.fw_version;
242 		fw_info->feature = adev->vce.fb_version;
243 		break;
244 	case AMDGPU_INFO_FW_UVD:
245 		fw_info->ver = adev->uvd.fw_version;
246 		fw_info->feature = 0;
247 		break;
248 	case AMDGPU_INFO_FW_VCN:
249 		fw_info->ver = adev->vcn.fw_version;
250 		fw_info->feature = 0;
251 		break;
252 	case AMDGPU_INFO_FW_GMC:
253 		fw_info->ver = adev->gmc.fw_version;
254 		fw_info->feature = 0;
255 		break;
256 	case AMDGPU_INFO_FW_GFX_ME:
257 		fw_info->ver = adev->gfx.me_fw_version;
258 		fw_info->feature = adev->gfx.me_feature_version;
259 		break;
260 	case AMDGPU_INFO_FW_GFX_PFP:
261 		fw_info->ver = adev->gfx.pfp_fw_version;
262 		fw_info->feature = adev->gfx.pfp_feature_version;
263 		break;
264 	case AMDGPU_INFO_FW_GFX_CE:
265 		fw_info->ver = adev->gfx.ce_fw_version;
266 		fw_info->feature = adev->gfx.ce_feature_version;
267 		break;
268 	case AMDGPU_INFO_FW_GFX_RLC:
269 		fw_info->ver = adev->gfx.rlc_fw_version;
270 		fw_info->feature = adev->gfx.rlc_feature_version;
271 		break;
272 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
273 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
274 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
275 		break;
276 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
277 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
278 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
279 		break;
280 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
281 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
282 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
283 		break;
284 	case AMDGPU_INFO_FW_GFX_MEC:
285 		if (query_fw->index == 0) {
286 			fw_info->ver = adev->gfx.mec_fw_version;
287 			fw_info->feature = adev->gfx.mec_feature_version;
288 		} else if (query_fw->index == 1) {
289 			fw_info->ver = adev->gfx.mec2_fw_version;
290 			fw_info->feature = adev->gfx.mec2_feature_version;
291 		} else
292 			return -EINVAL;
293 		break;
294 	case AMDGPU_INFO_FW_SMC:
295 		fw_info->ver = adev->pm.fw_version;
296 		fw_info->feature = 0;
297 		break;
298 	case AMDGPU_INFO_FW_TA:
299 		switch (query_fw->index) {
300 		case TA_FW_TYPE_PSP_XGMI:
301 			fw_info->ver = adev->psp.ta_fw_version;
302 			fw_info->feature = adev->psp.ta_xgmi_ucode_version;
303 			break;
304 		case TA_FW_TYPE_PSP_RAS:
305 			fw_info->ver = adev->psp.ta_fw_version;
306 			fw_info->feature = adev->psp.ta_ras_ucode_version;
307 			break;
308 		case TA_FW_TYPE_PSP_HDCP:
309 			fw_info->ver = adev->psp.ta_fw_version;
310 			fw_info->feature = adev->psp.ta_hdcp_ucode_version;
311 			break;
312 		case TA_FW_TYPE_PSP_DTM:
313 			fw_info->ver = adev->psp.ta_fw_version;
314 			fw_info->feature = adev->psp.ta_dtm_ucode_version;
315 			break;
316 		case TA_FW_TYPE_PSP_RAP:
317 			fw_info->ver = adev->psp.ta_fw_version;
318 			fw_info->feature = adev->psp.ta_rap_ucode_version;
319 			break;
320 		case TA_FW_TYPE_PSP_SECUREDISPLAY:
321 			fw_info->ver = adev->psp.ta_fw_version;
322 			fw_info->feature = adev->psp.ta_securedisplay_ucode_version;
323 			break;
324 		default:
325 			return -EINVAL;
326 		}
327 		break;
328 	case AMDGPU_INFO_FW_SDMA:
329 		if (query_fw->index >= adev->sdma.num_instances)
330 			return -EINVAL;
331 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
332 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
333 		break;
334 	case AMDGPU_INFO_FW_SOS:
335 		fw_info->ver = adev->psp.sos_fw_version;
336 		fw_info->feature = adev->psp.sos_feature_version;
337 		break;
338 	case AMDGPU_INFO_FW_ASD:
339 		fw_info->ver = adev->psp.asd_fw_version;
340 		fw_info->feature = adev->psp.asd_feature_version;
341 		break;
342 	case AMDGPU_INFO_FW_DMCU:
343 		fw_info->ver = adev->dm.dmcu_fw_version;
344 		fw_info->feature = 0;
345 		break;
346 	case AMDGPU_INFO_FW_DMCUB:
347 		fw_info->ver = adev->dm.dmcub_fw_version;
348 		fw_info->feature = 0;
349 		break;
350 	case AMDGPU_INFO_FW_TOC:
351 		fw_info->ver = adev->psp.toc_fw_version;
352 		fw_info->feature = adev->psp.toc_feature_version;
353 		break;
354 	default:
355 		return -EINVAL;
356 	}
357 	return 0;
358 }
359 
360 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
361 			     struct drm_amdgpu_info *info,
362 			     struct drm_amdgpu_info_hw_ip *result)
363 {
364 	uint32_t ib_start_alignment = 0;
365 	uint32_t ib_size_alignment = 0;
366 	enum amd_ip_block_type type;
367 	unsigned int num_rings = 0;
368 	unsigned int i, j;
369 
370 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
371 		return -EINVAL;
372 
373 	switch (info->query_hw_ip.type) {
374 	case AMDGPU_HW_IP_GFX:
375 		type = AMD_IP_BLOCK_TYPE_GFX;
376 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
377 			if (adev->gfx.gfx_ring[i].sched.ready)
378 				++num_rings;
379 		ib_start_alignment = 32;
380 		ib_size_alignment = 32;
381 		break;
382 	case AMDGPU_HW_IP_COMPUTE:
383 		type = AMD_IP_BLOCK_TYPE_GFX;
384 		for (i = 0; i < adev->gfx.num_compute_rings; i++)
385 			if (adev->gfx.compute_ring[i].sched.ready)
386 				++num_rings;
387 		ib_start_alignment = 32;
388 		ib_size_alignment = 32;
389 		break;
390 	case AMDGPU_HW_IP_DMA:
391 		type = AMD_IP_BLOCK_TYPE_SDMA;
392 		for (i = 0; i < adev->sdma.num_instances; i++)
393 			if (adev->sdma.instance[i].ring.sched.ready)
394 				++num_rings;
395 		ib_start_alignment = 256;
396 		ib_size_alignment = 4;
397 		break;
398 	case AMDGPU_HW_IP_UVD:
399 		type = AMD_IP_BLOCK_TYPE_UVD;
400 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
401 			if (adev->uvd.harvest_config & (1 << i))
402 				continue;
403 
404 			if (adev->uvd.inst[i].ring.sched.ready)
405 				++num_rings;
406 		}
407 		ib_start_alignment = 64;
408 		ib_size_alignment = 64;
409 		break;
410 	case AMDGPU_HW_IP_VCE:
411 		type = AMD_IP_BLOCK_TYPE_VCE;
412 		for (i = 0; i < adev->vce.num_rings; i++)
413 			if (adev->vce.ring[i].sched.ready)
414 				++num_rings;
415 		ib_start_alignment = 4;
416 		ib_size_alignment = 1;
417 		break;
418 	case AMDGPU_HW_IP_UVD_ENC:
419 		type = AMD_IP_BLOCK_TYPE_UVD;
420 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
421 			if (adev->uvd.harvest_config & (1 << i))
422 				continue;
423 
424 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
425 				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
426 					++num_rings;
427 		}
428 		ib_start_alignment = 64;
429 		ib_size_alignment = 64;
430 		break;
431 	case AMDGPU_HW_IP_VCN_DEC:
432 		type = AMD_IP_BLOCK_TYPE_VCN;
433 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
434 			if (adev->uvd.harvest_config & (1 << i))
435 				continue;
436 
437 			if (adev->vcn.inst[i].ring_dec.sched.ready)
438 				++num_rings;
439 		}
440 		ib_start_alignment = 16;
441 		ib_size_alignment = 16;
442 		break;
443 	case AMDGPU_HW_IP_VCN_ENC:
444 		type = AMD_IP_BLOCK_TYPE_VCN;
445 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
446 			if (adev->uvd.harvest_config & (1 << i))
447 				continue;
448 
449 			for (j = 0; j < adev->vcn.num_enc_rings; j++)
450 				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
451 					++num_rings;
452 		}
453 		ib_start_alignment = 64;
454 		ib_size_alignment = 1;
455 		break;
456 	case AMDGPU_HW_IP_VCN_JPEG:
457 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
458 			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
459 
460 		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
461 			if (adev->jpeg.harvest_config & (1 << i))
462 				continue;
463 
464 			if (adev->jpeg.inst[i].ring_dec.sched.ready)
465 				++num_rings;
466 		}
467 		ib_start_alignment = 16;
468 		ib_size_alignment = 16;
469 		break;
470 	default:
471 		return -EINVAL;
472 	}
473 
474 	for (i = 0; i < adev->num_ip_blocks; i++)
475 		if (adev->ip_blocks[i].version->type == type &&
476 		    adev->ip_blocks[i].status.valid)
477 			break;
478 
479 	if (i == adev->num_ip_blocks)
480 		return 0;
481 
482 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
483 			num_rings);
484 
485 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
486 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
487 	result->capabilities_flags = 0;
488 	result->available_rings = (1 << num_rings) - 1;
489 	result->ib_start_alignment = ib_start_alignment;
490 	result->ib_size_alignment = ib_size_alignment;
491 	return 0;
492 }
493 
494 /*
495  * Userspace get information ioctl
496  */
497 /**
498  * amdgpu_info_ioctl - answer a device specific request.
499  *
500  * @dev: drm device pointer
501  * @data: request object
502  * @filp: drm filp
503  *
504  * This function is used to pass device specific parameters to the userspace
505  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
506  * etc. (all asics).
507  * Returns 0 on success, -EINVAL on failure.
508  */
509 int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
510 {
511 	struct amdgpu_device *adev = drm_to_adev(dev);
512 	struct drm_amdgpu_info *info = data;
513 	struct amdgpu_mode_info *minfo = &adev->mode_info;
514 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
515 	uint32_t size = info->return_size;
516 	struct drm_crtc *crtc;
517 	uint32_t ui32 = 0;
518 	uint64_t ui64 = 0;
519 	int i, found;
520 	int ui32_size = sizeof(ui32);
521 
522 	if (!info->return_size || !info->return_pointer)
523 		return -EINVAL;
524 
525 	switch (info->query) {
526 	case AMDGPU_INFO_ACCEL_WORKING:
527 		ui32 = adev->accel_working;
528 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
529 	case AMDGPU_INFO_CRTC_FROM_ID:
530 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
531 			crtc = (struct drm_crtc *)minfo->crtcs[i];
532 			if (crtc && crtc->base.id == info->mode_crtc.id) {
533 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
534 				ui32 = amdgpu_crtc->crtc_id;
535 				found = 1;
536 				break;
537 			}
538 		}
539 		if (!found) {
540 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
541 			return -EINVAL;
542 		}
543 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
544 	case AMDGPU_INFO_HW_IP_INFO: {
545 		struct drm_amdgpu_info_hw_ip ip = {};
546 		int ret;
547 
548 		ret = amdgpu_hw_ip_info(adev, info, &ip);
549 		if (ret)
550 			return ret;
551 
552 		ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
553 		return ret ? -EFAULT : 0;
554 	}
555 	case AMDGPU_INFO_HW_IP_COUNT: {
556 		enum amd_ip_block_type type;
557 		uint32_t count = 0;
558 
559 		switch (info->query_hw_ip.type) {
560 		case AMDGPU_HW_IP_GFX:
561 			type = AMD_IP_BLOCK_TYPE_GFX;
562 			break;
563 		case AMDGPU_HW_IP_COMPUTE:
564 			type = AMD_IP_BLOCK_TYPE_GFX;
565 			break;
566 		case AMDGPU_HW_IP_DMA:
567 			type = AMD_IP_BLOCK_TYPE_SDMA;
568 			break;
569 		case AMDGPU_HW_IP_UVD:
570 			type = AMD_IP_BLOCK_TYPE_UVD;
571 			break;
572 		case AMDGPU_HW_IP_VCE:
573 			type = AMD_IP_BLOCK_TYPE_VCE;
574 			break;
575 		case AMDGPU_HW_IP_UVD_ENC:
576 			type = AMD_IP_BLOCK_TYPE_UVD;
577 			break;
578 		case AMDGPU_HW_IP_VCN_DEC:
579 		case AMDGPU_HW_IP_VCN_ENC:
580 			type = AMD_IP_BLOCK_TYPE_VCN;
581 			break;
582 		case AMDGPU_HW_IP_VCN_JPEG:
583 			type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
584 				AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
585 			break;
586 		default:
587 			return -EINVAL;
588 		}
589 
590 		for (i = 0; i < adev->num_ip_blocks; i++)
591 			if (adev->ip_blocks[i].version->type == type &&
592 			    adev->ip_blocks[i].status.valid &&
593 			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
594 				count++;
595 
596 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
597 	}
598 	case AMDGPU_INFO_TIMESTAMP:
599 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
600 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
601 	case AMDGPU_INFO_FW_VERSION: {
602 		struct drm_amdgpu_info_firmware fw_info;
603 		int ret;
604 
605 		/* We only support one instance of each IP block right now. */
606 		if (info->query_fw.ip_instance != 0)
607 			return -EINVAL;
608 
609 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
610 		if (ret)
611 			return ret;
612 
613 		return copy_to_user(out, &fw_info,
614 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
615 	}
616 	case AMDGPU_INFO_NUM_BYTES_MOVED:
617 		ui64 = atomic64_read(&adev->num_bytes_moved);
618 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
619 	case AMDGPU_INFO_NUM_EVICTIONS:
620 		ui64 = atomic64_read(&adev->num_evictions);
621 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
622 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
623 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
624 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
625 	case AMDGPU_INFO_VRAM_USAGE:
626 		ui64 = amdgpu_vram_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
627 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
628 	case AMDGPU_INFO_VIS_VRAM_USAGE:
629 		ui64 = amdgpu_vram_mgr_vis_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
630 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
631 	case AMDGPU_INFO_GTT_USAGE:
632 		ui64 = amdgpu_gtt_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_TT));
633 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
634 	case AMDGPU_INFO_GDS_CONFIG: {
635 		struct drm_amdgpu_info_gds gds_info;
636 
637 		memset(&gds_info, 0, sizeof(gds_info));
638 		gds_info.compute_partition_size = adev->gds.gds_size;
639 		gds_info.gds_total_size = adev->gds.gds_size;
640 		gds_info.gws_per_compute_partition = adev->gds.gws_size;
641 		gds_info.oa_per_compute_partition = adev->gds.oa_size;
642 		return copy_to_user(out, &gds_info,
643 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
644 	}
645 	case AMDGPU_INFO_VRAM_GTT: {
646 		struct drm_amdgpu_info_vram_gtt vram_gtt;
647 
648 		vram_gtt.vram_size = adev->gmc.real_vram_size -
649 			atomic64_read(&adev->vram_pin_size) -
650 			AMDGPU_VM_RESERVED_VRAM;
651 		vram_gtt.vram_cpu_accessible_size =
652 			min(adev->gmc.visible_vram_size -
653 			    atomic64_read(&adev->visible_pin_size),
654 			    vram_gtt.vram_size);
655 		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
656 		vram_gtt.gtt_size *= PAGE_SIZE;
657 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
658 		return copy_to_user(out, &vram_gtt,
659 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
660 	}
661 	case AMDGPU_INFO_MEMORY: {
662 		struct drm_amdgpu_memory_info mem;
663 		struct ttm_resource_manager *vram_man =
664 			ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
665 		struct ttm_resource_manager *gtt_man =
666 			ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
667 		memset(&mem, 0, sizeof(mem));
668 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
669 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
670 			atomic64_read(&adev->vram_pin_size) -
671 			AMDGPU_VM_RESERVED_VRAM;
672 		mem.vram.heap_usage =
673 			amdgpu_vram_mgr_usage(vram_man);
674 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
675 
676 		mem.cpu_accessible_vram.total_heap_size =
677 			adev->gmc.visible_vram_size;
678 		mem.cpu_accessible_vram.usable_heap_size =
679 			min(adev->gmc.visible_vram_size -
680 			    atomic64_read(&adev->visible_pin_size),
681 			    mem.vram.usable_heap_size);
682 		mem.cpu_accessible_vram.heap_usage =
683 			amdgpu_vram_mgr_vis_usage(vram_man);
684 		mem.cpu_accessible_vram.max_allocation =
685 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
686 
687 		mem.gtt.total_heap_size = gtt_man->size;
688 		mem.gtt.total_heap_size *= PAGE_SIZE;
689 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
690 			atomic64_read(&adev->gart_pin_size);
691 		mem.gtt.heap_usage =
692 			amdgpu_gtt_mgr_usage(gtt_man);
693 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
694 
695 		return copy_to_user(out, &mem,
696 				    min((size_t)size, sizeof(mem)))
697 				    ? -EFAULT : 0;
698 	}
699 	case AMDGPU_INFO_READ_MMR_REG: {
700 		unsigned n, alloc_size;
701 		uint32_t *regs;
702 		unsigned se_num = (info->read_mmr_reg.instance >>
703 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
704 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
705 		unsigned sh_num = (info->read_mmr_reg.instance >>
706 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
707 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
708 
709 		/* set full masks if the userspace set all bits
710 		 * in the bitfields */
711 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
712 			se_num = 0xffffffff;
713 		else if (se_num >= AMDGPU_GFX_MAX_SE)
714 			return -EINVAL;
715 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
716 			sh_num = 0xffffffff;
717 		else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
718 			return -EINVAL;
719 
720 		if (info->read_mmr_reg.count > 128)
721 			return -EINVAL;
722 
723 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
724 		if (!regs)
725 			return -ENOMEM;
726 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
727 
728 		amdgpu_gfx_off_ctrl(adev, false);
729 		for (i = 0; i < info->read_mmr_reg.count; i++) {
730 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
731 						      info->read_mmr_reg.dword_offset + i,
732 						      &regs[i])) {
733 				DRM_DEBUG_KMS("unallowed offset %#x\n",
734 					      info->read_mmr_reg.dword_offset + i);
735 				kfree(regs);
736 				amdgpu_gfx_off_ctrl(adev, true);
737 				return -EFAULT;
738 			}
739 		}
740 		amdgpu_gfx_off_ctrl(adev, true);
741 		n = copy_to_user(out, regs, min(size, alloc_size));
742 		kfree(regs);
743 		return n ? -EFAULT : 0;
744 	}
745 	case AMDGPU_INFO_DEV_INFO: {
746 		struct drm_amdgpu_info_device *dev_info;
747 		uint64_t vm_size;
748 		int ret;
749 
750 		dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
751 		if (!dev_info)
752 			return -ENOMEM;
753 
754 		dev_info->device_id = adev->pdev->device;
755 		dev_info->chip_rev = adev->rev_id;
756 		dev_info->external_rev = adev->external_rev_id;
757 		dev_info->pci_rev = adev->pdev->revision;
758 		dev_info->family = adev->family;
759 		dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
760 		dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
761 		/* return all clocks in KHz */
762 		dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
763 		if (adev->pm.dpm_enabled) {
764 			dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
765 			dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
766 		} else {
767 			dev_info->max_engine_clock = adev->clock.default_sclk * 10;
768 			dev_info->max_memory_clock = adev->clock.default_mclk * 10;
769 		}
770 		dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
771 		dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
772 			adev->gfx.config.max_shader_engines;
773 		dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
774 		dev_info->_pad = 0;
775 		dev_info->ids_flags = 0;
776 		if (adev->flags & AMD_IS_APU)
777 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
778 		if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
779 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
780 		if (amdgpu_is_tmz(adev))
781 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
782 
783 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
784 		vm_size -= AMDGPU_VA_RESERVED_SIZE;
785 
786 		/* Older VCE FW versions are buggy and can handle only 40bits */
787 		if (adev->vce.fw_version &&
788 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
789 			vm_size = min(vm_size, 1ULL << 40);
790 
791 		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
792 		dev_info->virtual_address_max =
793 			min(vm_size, AMDGPU_GMC_HOLE_START);
794 
795 		if (vm_size > AMDGPU_GMC_HOLE_START) {
796 			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
797 			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
798 		}
799 		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
800 		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
801 		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
802 		dev_info->cu_active_number = adev->gfx.cu_info.number;
803 		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
804 		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
805 		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
806 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
807 		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
808 		       sizeof(adev->gfx.cu_info.bitmap));
809 		dev_info->vram_type = adev->gmc.vram_type;
810 		dev_info->vram_bit_width = adev->gmc.vram_width;
811 		dev_info->vce_harvest_config = adev->vce.harvest_config;
812 		dev_info->gc_double_offchip_lds_buf =
813 			adev->gfx.config.double_offchip_lds_buf;
814 		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
815 		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
816 		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
817 		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
818 		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
819 		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
820 		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
821 
822 		if (adev->family >= AMDGPU_FAMILY_NV)
823 			dev_info->pa_sc_tile_steering_override =
824 				adev->gfx.config.pa_sc_tile_steering_override;
825 
826 		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
827 
828 		ret = copy_to_user(out, dev_info,
829 				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
830 		kfree(dev_info);
831 		return ret;
832 	}
833 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
834 		unsigned i;
835 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
836 		struct amd_vce_state *vce_state;
837 
838 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
839 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
840 			if (vce_state) {
841 				vce_clk_table.entries[i].sclk = vce_state->sclk;
842 				vce_clk_table.entries[i].mclk = vce_state->mclk;
843 				vce_clk_table.entries[i].eclk = vce_state->evclk;
844 				vce_clk_table.num_valid_entries++;
845 			}
846 		}
847 
848 		return copy_to_user(out, &vce_clk_table,
849 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
850 	}
851 	case AMDGPU_INFO_VBIOS: {
852 		uint32_t bios_size = adev->bios_size;
853 
854 		switch (info->vbios_info.type) {
855 		case AMDGPU_INFO_VBIOS_SIZE:
856 			return copy_to_user(out, &bios_size,
857 					min((size_t)size, sizeof(bios_size)))
858 					? -EFAULT : 0;
859 		case AMDGPU_INFO_VBIOS_IMAGE: {
860 			uint8_t *bios;
861 			uint32_t bios_offset = info->vbios_info.offset;
862 
863 			if (bios_offset >= bios_size)
864 				return -EINVAL;
865 
866 			bios = adev->bios + bios_offset;
867 			return copy_to_user(out, bios,
868 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
869 					? -EFAULT : 0;
870 		}
871 		case AMDGPU_INFO_VBIOS_INFO: {
872 			struct drm_amdgpu_info_vbios vbios_info = {};
873 			struct atom_context *atom_context;
874 
875 			atom_context = adev->mode_info.atom_context;
876 			memcpy(vbios_info.name, atom_context->name, sizeof(atom_context->name));
877 			memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, sizeof(atom_context->vbios_pn));
878 			vbios_info.version = atom_context->version;
879 			memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
880 						sizeof(atom_context->vbios_ver_str));
881 			memcpy(vbios_info.date, atom_context->date, sizeof(atom_context->date));
882 
883 			return copy_to_user(out, &vbios_info,
884 						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
885 		}
886 		default:
887 			DRM_DEBUG_KMS("Invalid request %d\n",
888 					info->vbios_info.type);
889 			return -EINVAL;
890 		}
891 	}
892 	case AMDGPU_INFO_NUM_HANDLES: {
893 		struct drm_amdgpu_info_num_handles handle;
894 
895 		switch (info->query_hw_ip.type) {
896 		case AMDGPU_HW_IP_UVD:
897 			/* Starting Polaris, we support unlimited UVD handles */
898 			if (adev->asic_type < CHIP_POLARIS10) {
899 				handle.uvd_max_handles = adev->uvd.max_handles;
900 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
901 
902 				return copy_to_user(out, &handle,
903 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
904 			} else {
905 				return -ENODATA;
906 			}
907 
908 			break;
909 		default:
910 			return -EINVAL;
911 		}
912 	}
913 	case AMDGPU_INFO_SENSOR: {
914 		if (!adev->pm.dpm_enabled)
915 			return -ENOENT;
916 
917 		switch (info->sensor_info.type) {
918 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
919 			/* get sclk in Mhz */
920 			if (amdgpu_dpm_read_sensor(adev,
921 						   AMDGPU_PP_SENSOR_GFX_SCLK,
922 						   (void *)&ui32, &ui32_size)) {
923 				return -EINVAL;
924 			}
925 			ui32 /= 100;
926 			break;
927 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
928 			/* get mclk in Mhz */
929 			if (amdgpu_dpm_read_sensor(adev,
930 						   AMDGPU_PP_SENSOR_GFX_MCLK,
931 						   (void *)&ui32, &ui32_size)) {
932 				return -EINVAL;
933 			}
934 			ui32 /= 100;
935 			break;
936 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
937 			/* get temperature in millidegrees C */
938 			if (amdgpu_dpm_read_sensor(adev,
939 						   AMDGPU_PP_SENSOR_GPU_TEMP,
940 						   (void *)&ui32, &ui32_size)) {
941 				return -EINVAL;
942 			}
943 			break;
944 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
945 			/* get GPU load */
946 			if (amdgpu_dpm_read_sensor(adev,
947 						   AMDGPU_PP_SENSOR_GPU_LOAD,
948 						   (void *)&ui32, &ui32_size)) {
949 				return -EINVAL;
950 			}
951 			break;
952 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
953 			/* get average GPU power */
954 			if (amdgpu_dpm_read_sensor(adev,
955 						   AMDGPU_PP_SENSOR_GPU_POWER,
956 						   (void *)&ui32, &ui32_size)) {
957 				return -EINVAL;
958 			}
959 			ui32 >>= 8;
960 			break;
961 		case AMDGPU_INFO_SENSOR_VDDNB:
962 			/* get VDDNB in millivolts */
963 			if (amdgpu_dpm_read_sensor(adev,
964 						   AMDGPU_PP_SENSOR_VDDNB,
965 						   (void *)&ui32, &ui32_size)) {
966 				return -EINVAL;
967 			}
968 			break;
969 		case AMDGPU_INFO_SENSOR_VDDGFX:
970 			/* get VDDGFX in millivolts */
971 			if (amdgpu_dpm_read_sensor(adev,
972 						   AMDGPU_PP_SENSOR_VDDGFX,
973 						   (void *)&ui32, &ui32_size)) {
974 				return -EINVAL;
975 			}
976 			break;
977 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
978 			/* get stable pstate sclk in Mhz */
979 			if (amdgpu_dpm_read_sensor(adev,
980 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
981 						   (void *)&ui32, &ui32_size)) {
982 				return -EINVAL;
983 			}
984 			ui32 /= 100;
985 			break;
986 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
987 			/* get stable pstate mclk in Mhz */
988 			if (amdgpu_dpm_read_sensor(adev,
989 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
990 						   (void *)&ui32, &ui32_size)) {
991 				return -EINVAL;
992 			}
993 			ui32 /= 100;
994 			break;
995 		default:
996 			DRM_DEBUG_KMS("Invalid request %d\n",
997 				      info->sensor_info.type);
998 			return -EINVAL;
999 		}
1000 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1001 	}
1002 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
1003 		ui32 = atomic_read(&adev->vram_lost_counter);
1004 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1005 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1006 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1007 		uint64_t ras_mask;
1008 
1009 		if (!ras)
1010 			return -EINVAL;
1011 		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1012 
1013 		return copy_to_user(out, &ras_mask,
1014 				min_t(u64, size, sizeof(ras_mask))) ?
1015 			-EFAULT : 0;
1016 	}
1017 	case AMDGPU_INFO_VIDEO_CAPS: {
1018 		const struct amdgpu_video_codecs *codecs;
1019 		struct drm_amdgpu_info_video_caps *caps;
1020 		int r;
1021 
1022 		switch (info->video_cap.type) {
1023 		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1024 			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1025 			if (r)
1026 				return -EINVAL;
1027 			break;
1028 		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1029 			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1030 			if (r)
1031 				return -EINVAL;
1032 			break;
1033 		default:
1034 			DRM_DEBUG_KMS("Invalid request %d\n",
1035 				      info->video_cap.type);
1036 			return -EINVAL;
1037 		}
1038 
1039 		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1040 		if (!caps)
1041 			return -ENOMEM;
1042 
1043 		for (i = 0; i < codecs->codec_count; i++) {
1044 			int idx = codecs->codec_array[i].codec_type;
1045 
1046 			switch (idx) {
1047 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1048 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1049 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1050 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1051 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1052 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1053 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1054 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1055 				caps->codec_info[idx].valid = 1;
1056 				caps->codec_info[idx].max_width =
1057 					codecs->codec_array[i].max_width;
1058 				caps->codec_info[idx].max_height =
1059 					codecs->codec_array[i].max_height;
1060 				caps->codec_info[idx].max_pixels_per_frame =
1061 					codecs->codec_array[i].max_pixels_per_frame;
1062 				caps->codec_info[idx].max_level =
1063 					codecs->codec_array[i].max_level;
1064 				break;
1065 			default:
1066 				break;
1067 			}
1068 		}
1069 		r = copy_to_user(out, caps,
1070 				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1071 		kfree(caps);
1072 		return r;
1073 	}
1074 	default:
1075 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1076 		return -EINVAL;
1077 	}
1078 	return 0;
1079 }
1080 
1081 
1082 /*
1083  * Outdated mess for old drm with Xorg being in charge (void function now).
1084  */
1085 /**
1086  * amdgpu_driver_lastclose_kms - drm callback for last close
1087  *
1088  * @dev: drm dev pointer
1089  *
1090  * Switch vga_switcheroo state after last close (all asics).
1091  */
1092 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
1093 {
1094 	drm_fb_helper_lastclose(dev);
1095 	vga_switcheroo_process_delayed_switch();
1096 }
1097 
1098 /**
1099  * amdgpu_driver_open_kms - drm callback for open
1100  *
1101  * @dev: drm dev pointer
1102  * @file_priv: drm file
1103  *
1104  * On device open, init vm on cayman+ (all asics).
1105  * Returns 0 on success, error on failure.
1106  */
1107 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1108 {
1109 	struct amdgpu_device *adev = drm_to_adev(dev);
1110 	struct amdgpu_fpriv *fpriv;
1111 	int r, pasid;
1112 
1113 	/* Ensure IB tests are run on ring */
1114 	flush_delayed_work(&adev->delayed_init_work);
1115 
1116 
1117 	if (amdgpu_ras_intr_triggered()) {
1118 		DRM_ERROR("RAS Intr triggered, device disabled!!");
1119 		return -EHWPOISON;
1120 	}
1121 
1122 	file_priv->driver_priv = NULL;
1123 
1124 	r = pm_runtime_get_sync(dev->dev);
1125 	if (r < 0)
1126 		goto pm_put;
1127 
1128 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1129 	if (unlikely(!fpriv)) {
1130 		r = -ENOMEM;
1131 		goto out_suspend;
1132 	}
1133 
1134 	pasid = amdgpu_pasid_alloc(16);
1135 	if (pasid < 0) {
1136 		dev_warn(adev->dev, "No more PASIDs available!");
1137 		pasid = 0;
1138 	}
1139 
1140 	r = amdgpu_vm_init(adev, &fpriv->vm, pasid);
1141 	if (r)
1142 		goto error_pasid;
1143 
1144 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1145 	if (!fpriv->prt_va) {
1146 		r = -ENOMEM;
1147 		goto error_vm;
1148 	}
1149 
1150 	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1151 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1152 
1153 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1154 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1155 		if (r)
1156 			goto error_vm;
1157 	}
1158 
1159 	mutex_init(&fpriv->bo_list_lock);
1160 	idr_init(&fpriv->bo_list_handles);
1161 
1162 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
1163 
1164 	file_priv->driver_priv = fpriv;
1165 	goto out_suspend;
1166 
1167 error_vm:
1168 	amdgpu_vm_fini(adev, &fpriv->vm);
1169 
1170 error_pasid:
1171 	if (pasid)
1172 		amdgpu_pasid_free(pasid);
1173 
1174 	kfree(fpriv);
1175 
1176 out_suspend:
1177 	pm_runtime_mark_last_busy(dev->dev);
1178 pm_put:
1179 	pm_runtime_put_autosuspend(dev->dev);
1180 
1181 	return r;
1182 }
1183 
1184 /**
1185  * amdgpu_driver_postclose_kms - drm callback for post close
1186  *
1187  * @dev: drm dev pointer
1188  * @file_priv: drm file
1189  *
1190  * On device post close, tear down vm on cayman+ (all asics).
1191  */
1192 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1193 				 struct drm_file *file_priv)
1194 {
1195 	struct amdgpu_device *adev = drm_to_adev(dev);
1196 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1197 	struct amdgpu_bo_list *list;
1198 	struct amdgpu_bo *pd;
1199 	u32 pasid;
1200 	int handle;
1201 
1202 	if (!fpriv)
1203 		return;
1204 
1205 	pm_runtime_get_sync(dev->dev);
1206 
1207 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1208 		amdgpu_uvd_free_handles(adev, file_priv);
1209 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1210 		amdgpu_vce_free_handles(adev, file_priv);
1211 
1212 	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1213 
1214 	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1215 		/* TODO: how to handle reserve failure */
1216 		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1217 		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1218 		fpriv->csa_va = NULL;
1219 		amdgpu_bo_unreserve(adev->virt.csa_obj);
1220 	}
1221 
1222 	pasid = fpriv->vm.pasid;
1223 	pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
1224 
1225 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1226 	amdgpu_vm_fini(adev, &fpriv->vm);
1227 
1228 	if (pasid)
1229 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1230 	amdgpu_bo_unref(&pd);
1231 
1232 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1233 		amdgpu_bo_list_put(list);
1234 
1235 	idr_destroy(&fpriv->bo_list_handles);
1236 	mutex_destroy(&fpriv->bo_list_lock);
1237 
1238 	kfree(fpriv);
1239 	file_priv->driver_priv = NULL;
1240 
1241 	pm_runtime_mark_last_busy(dev->dev);
1242 	pm_runtime_put_autosuspend(dev->dev);
1243 }
1244 
1245 
1246 void amdgpu_driver_release_kms(struct drm_device *dev)
1247 {
1248 	struct amdgpu_device *adev = drm_to_adev(dev);
1249 
1250 	amdgpu_device_fini_sw(adev);
1251 	pci_set_drvdata(adev->pdev, NULL);
1252 }
1253 
1254 /*
1255  * VBlank related functions.
1256  */
1257 /**
1258  * amdgpu_get_vblank_counter_kms - get frame count
1259  *
1260  * @crtc: crtc to get the frame count from
1261  *
1262  * Gets the frame count on the requested crtc (all asics).
1263  * Returns frame count on success, -EINVAL on failure.
1264  */
1265 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1266 {
1267 	struct drm_device *dev = crtc->dev;
1268 	unsigned int pipe = crtc->index;
1269 	struct amdgpu_device *adev = drm_to_adev(dev);
1270 	int vpos, hpos, stat;
1271 	u32 count;
1272 
1273 	if (pipe >= adev->mode_info.num_crtc) {
1274 		DRM_ERROR("Invalid crtc %u\n", pipe);
1275 		return -EINVAL;
1276 	}
1277 
1278 	/* The hw increments its frame counter at start of vsync, not at start
1279 	 * of vblank, as is required by DRM core vblank counter handling.
1280 	 * Cook the hw count here to make it appear to the caller as if it
1281 	 * incremented at start of vblank. We measure distance to start of
1282 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1283 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1284 	 * result by 1 to give the proper appearance to caller.
1285 	 */
1286 	if (adev->mode_info.crtcs[pipe]) {
1287 		/* Repeat readout if needed to provide stable result if
1288 		 * we cross start of vsync during the queries.
1289 		 */
1290 		do {
1291 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1292 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1293 			 * vpos as distance to start of vblank, instead of
1294 			 * regular vertical scanout pos.
1295 			 */
1296 			stat = amdgpu_display_get_crtc_scanoutpos(
1297 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1298 				&vpos, &hpos, NULL, NULL,
1299 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1300 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1301 
1302 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1303 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1304 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1305 		} else {
1306 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1307 				      pipe, vpos);
1308 
1309 			/* Bump counter if we are at >= leading edge of vblank,
1310 			 * but before vsync where vpos would turn negative and
1311 			 * the hw counter really increments.
1312 			 */
1313 			if (vpos >= 0)
1314 				count++;
1315 		}
1316 	} else {
1317 		/* Fallback to use value as is. */
1318 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1319 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1320 	}
1321 
1322 	return count;
1323 }
1324 
1325 /**
1326  * amdgpu_enable_vblank_kms - enable vblank interrupt
1327  *
1328  * @crtc: crtc to enable vblank interrupt for
1329  *
1330  * Enable the interrupt on the requested crtc (all asics).
1331  * Returns 0 on success, -EINVAL on failure.
1332  */
1333 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1334 {
1335 	struct drm_device *dev = crtc->dev;
1336 	unsigned int pipe = crtc->index;
1337 	struct amdgpu_device *adev = drm_to_adev(dev);
1338 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1339 
1340 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1341 }
1342 
1343 /**
1344  * amdgpu_disable_vblank_kms - disable vblank interrupt
1345  *
1346  * @crtc: crtc to disable vblank interrupt for
1347  *
1348  * Disable the interrupt on the requested crtc (all asics).
1349  */
1350 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1351 {
1352 	struct drm_device *dev = crtc->dev;
1353 	unsigned int pipe = crtc->index;
1354 	struct amdgpu_device *adev = drm_to_adev(dev);
1355 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1356 
1357 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1358 }
1359 
1360 /*
1361  * Debugfs info
1362  */
1363 #if defined(CONFIG_DEBUG_FS)
1364 
1365 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1366 {
1367 	struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
1368 	struct drm_amdgpu_info_firmware fw_info;
1369 	struct drm_amdgpu_query_fw query_fw;
1370 	struct atom_context *ctx = adev->mode_info.atom_context;
1371 	int ret, i;
1372 
1373 	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1374 #define TA_FW_NAME(type) [TA_FW_TYPE_PSP_##type] = #type
1375 		TA_FW_NAME(XGMI),
1376 		TA_FW_NAME(RAS),
1377 		TA_FW_NAME(HDCP),
1378 		TA_FW_NAME(DTM),
1379 		TA_FW_NAME(RAP),
1380 		TA_FW_NAME(SECUREDISPLAY),
1381 #undef TA_FW_NAME
1382 	};
1383 
1384 	/* VCE */
1385 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1386 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1387 	if (ret)
1388 		return ret;
1389 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1390 		   fw_info.feature, fw_info.ver);
1391 
1392 	/* UVD */
1393 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1394 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1395 	if (ret)
1396 		return ret;
1397 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1398 		   fw_info.feature, fw_info.ver);
1399 
1400 	/* GMC */
1401 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1402 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1403 	if (ret)
1404 		return ret;
1405 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1406 		   fw_info.feature, fw_info.ver);
1407 
1408 	/* ME */
1409 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1410 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1411 	if (ret)
1412 		return ret;
1413 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1414 		   fw_info.feature, fw_info.ver);
1415 
1416 	/* PFP */
1417 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1418 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1419 	if (ret)
1420 		return ret;
1421 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1422 		   fw_info.feature, fw_info.ver);
1423 
1424 	/* CE */
1425 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1426 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1427 	if (ret)
1428 		return ret;
1429 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1430 		   fw_info.feature, fw_info.ver);
1431 
1432 	/* RLC */
1433 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1434 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1435 	if (ret)
1436 		return ret;
1437 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1438 		   fw_info.feature, fw_info.ver);
1439 
1440 	/* RLC SAVE RESTORE LIST CNTL */
1441 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1442 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1443 	if (ret)
1444 		return ret;
1445 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1446 		   fw_info.feature, fw_info.ver);
1447 
1448 	/* RLC SAVE RESTORE LIST GPM MEM */
1449 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1450 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1451 	if (ret)
1452 		return ret;
1453 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1454 		   fw_info.feature, fw_info.ver);
1455 
1456 	/* RLC SAVE RESTORE LIST SRM MEM */
1457 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1458 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1459 	if (ret)
1460 		return ret;
1461 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1462 		   fw_info.feature, fw_info.ver);
1463 
1464 	/* MEC */
1465 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1466 	query_fw.index = 0;
1467 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1468 	if (ret)
1469 		return ret;
1470 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1471 		   fw_info.feature, fw_info.ver);
1472 
1473 	/* MEC2 */
1474 	if (adev->gfx.mec2_fw) {
1475 		query_fw.index = 1;
1476 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1477 		if (ret)
1478 			return ret;
1479 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1480 			   fw_info.feature, fw_info.ver);
1481 	}
1482 
1483 	/* PSP SOS */
1484 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1485 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1486 	if (ret)
1487 		return ret;
1488 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1489 		   fw_info.feature, fw_info.ver);
1490 
1491 
1492 	/* PSP ASD */
1493 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1494 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1495 	if (ret)
1496 		return ret;
1497 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1498 		   fw_info.feature, fw_info.ver);
1499 
1500 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1501 	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1502 		query_fw.index = i;
1503 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1504 		if (ret)
1505 			continue;
1506 
1507 		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1508 			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1509 	}
1510 
1511 	/* SMC */
1512 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1513 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1514 	if (ret)
1515 		return ret;
1516 	seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1517 		   fw_info.feature, fw_info.ver);
1518 
1519 	/* SDMA */
1520 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1521 	for (i = 0; i < adev->sdma.num_instances; i++) {
1522 		query_fw.index = i;
1523 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1524 		if (ret)
1525 			return ret;
1526 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1527 			   i, fw_info.feature, fw_info.ver);
1528 	}
1529 
1530 	/* VCN */
1531 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1532 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1533 	if (ret)
1534 		return ret;
1535 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1536 		   fw_info.feature, fw_info.ver);
1537 
1538 	/* DMCU */
1539 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1540 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1541 	if (ret)
1542 		return ret;
1543 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1544 		   fw_info.feature, fw_info.ver);
1545 
1546 	/* DMCUB */
1547 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1548 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1549 	if (ret)
1550 		return ret;
1551 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1552 		   fw_info.feature, fw_info.ver);
1553 
1554 	/* TOC */
1555 	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1556 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1557 	if (ret)
1558 		return ret;
1559 	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1560 		   fw_info.feature, fw_info.ver);
1561 
1562 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1563 
1564 	return 0;
1565 }
1566 
1567 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1568 
1569 #endif
1570 
1571 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1572 {
1573 #if defined(CONFIG_DEBUG_FS)
1574 	struct drm_minor *minor = adev_to_drm(adev)->primary;
1575 	struct dentry *root = minor->debugfs_root;
1576 
1577 	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1578 			    adev, &amdgpu_debugfs_firmware_info_fops);
1579 
1580 #endif
1581 }
1582