xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c (revision 19d0070a2792181f79df01277fe00b83b9f7eda7)
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/drm_debugfs.h>
31 #include <drm/amdgpu_drm.h>
32 #include "amdgpu_sched.h"
33 #include "amdgpu_uvd.h"
34 #include "amdgpu_vce.h"
35 #include "atom.h"
36 
37 #include <linux/vga_switcheroo.h>
38 #include <linux/slab.h>
39 #include <linux/uaccess.h>
40 #include <linux/pci.h>
41 #include <linux/pm_runtime.h>
42 #include "amdgpu_amdkfd.h"
43 #include "amdgpu_gem.h"
44 #include "amdgpu_display.h"
45 #include "amdgpu_ras.h"
46 
47 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
48 {
49 	struct amdgpu_gpu_instance *gpu_instance;
50 	int i;
51 
52 	mutex_lock(&mgpu_info.mutex);
53 
54 	for (i = 0; i < mgpu_info.num_gpu; i++) {
55 		gpu_instance = &(mgpu_info.gpu_ins[i]);
56 		if (gpu_instance->adev == adev) {
57 			mgpu_info.gpu_ins[i] =
58 				mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
59 			mgpu_info.num_gpu--;
60 			if (adev->flags & AMD_IS_APU)
61 				mgpu_info.num_apu--;
62 			else
63 				mgpu_info.num_dgpu--;
64 			break;
65 		}
66 	}
67 
68 	mutex_unlock(&mgpu_info.mutex);
69 }
70 
71 /**
72  * amdgpu_driver_unload_kms - Main unload function for KMS.
73  *
74  * @dev: drm dev pointer
75  *
76  * This is the main unload function for KMS (all asics).
77  * Returns 0 on success.
78  */
79 void amdgpu_driver_unload_kms(struct drm_device *dev)
80 {
81 	struct amdgpu_device *adev = dev->dev_private;
82 
83 	if (adev == NULL)
84 		return;
85 
86 	amdgpu_unregister_gpu_instance(adev);
87 
88 	if (adev->rmmio == NULL)
89 		goto done_free;
90 
91 	if (adev->runpm) {
92 		pm_runtime_get_sync(dev->dev);
93 		pm_runtime_forbid(dev->dev);
94 	}
95 
96 	amdgpu_acpi_fini(adev);
97 
98 	amdgpu_device_fini(adev);
99 
100 done_free:
101 	kfree(adev);
102 	dev->dev_private = NULL;
103 }
104 
105 void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
106 {
107 	struct amdgpu_gpu_instance *gpu_instance;
108 
109 	mutex_lock(&mgpu_info.mutex);
110 
111 	if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
112 		DRM_ERROR("Cannot register more gpu instance\n");
113 		mutex_unlock(&mgpu_info.mutex);
114 		return;
115 	}
116 
117 	gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
118 	gpu_instance->adev = adev;
119 	gpu_instance->mgpu_fan_enabled = 0;
120 
121 	mgpu_info.num_gpu++;
122 	if (adev->flags & AMD_IS_APU)
123 		mgpu_info.num_apu++;
124 	else
125 		mgpu_info.num_dgpu++;
126 
127 	mutex_unlock(&mgpu_info.mutex);
128 }
129 
130 /**
131  * amdgpu_driver_load_kms - Main load function for KMS.
132  *
133  * @dev: drm dev pointer
134  * @flags: device flags
135  *
136  * This is the main load function for KMS (all asics).
137  * Returns 0 on success, error on failure.
138  */
139 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
140 {
141 	struct amdgpu_device *adev;
142 	int r, acpi_status;
143 
144 	adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
145 	if (adev == NULL) {
146 		return -ENOMEM;
147 	}
148 	dev->dev_private = (void *)adev;
149 
150 	if (amdgpu_has_atpx() &&
151 	    (amdgpu_is_atpx_hybrid() ||
152 	     amdgpu_has_atpx_dgpu_power_cntl()) &&
153 	    ((flags & AMD_IS_APU) == 0) &&
154 	    !pci_is_thunderbolt_attached(dev->pdev))
155 		flags |= AMD_IS_PX;
156 
157 	/* amdgpu_device_init should report only fatal error
158 	 * like memory allocation failure or iomapping failure,
159 	 * or memory manager initialization failure, it must
160 	 * properly initialize the GPU MC controller and permit
161 	 * VRAM allocation
162 	 */
163 	r = amdgpu_device_init(adev, dev, dev->pdev, flags);
164 	if (r) {
165 		dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
166 		goto out;
167 	}
168 
169 	if (amdgpu_device_supports_boco(dev) &&
170 	    (amdgpu_runtime_pm != 0)) /* enable runpm by default for boco */
171 		adev->runpm = true;
172 	else if (amdgpu_device_supports_baco(dev) &&
173 		 (amdgpu_runtime_pm != 0) &&
174 		 (adev->asic_type >= CHIP_TOPAZ) &&
175 		 (adev->asic_type != CHIP_VEGA10) &&
176 		 (adev->asic_type != CHIP_VEGA20) &&
177 		 (adev->asic_type != CHIP_ARCTURUS)) /* enable runpm on VI+ */
178 		adev->runpm = true;
179 	else if (amdgpu_device_supports_baco(dev) &&
180 		 (amdgpu_runtime_pm > 0))  /* enable runpm if runpm=1 on CI */
181 		adev->runpm = true;
182 
183 	/* Call ACPI methods: require modeset init
184 	 * but failure is not fatal
185 	 */
186 
187 	acpi_status = amdgpu_acpi_init(adev);
188 	if (acpi_status)
189 		dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n");
190 
191 	if (adev->runpm) {
192 		/* only need to skip on ATPX */
193 		if (amdgpu_device_supports_boco(dev) &&
194 		    !amdgpu_is_atpx_hybrid())
195 			dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
196 		pm_runtime_use_autosuspend(dev->dev);
197 		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
198 		pm_runtime_allow(dev->dev);
199 		pm_runtime_mark_last_busy(dev->dev);
200 		pm_runtime_put_autosuspend(dev->dev);
201 	}
202 
203 out:
204 	if (r) {
205 		/* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
206 		if (adev->rmmio && adev->runpm)
207 			pm_runtime_put_noidle(dev->dev);
208 		amdgpu_driver_unload_kms(dev);
209 	}
210 
211 	return r;
212 }
213 
214 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
215 				struct drm_amdgpu_query_fw *query_fw,
216 				struct amdgpu_device *adev)
217 {
218 	switch (query_fw->fw_type) {
219 	case AMDGPU_INFO_FW_VCE:
220 		fw_info->ver = adev->vce.fw_version;
221 		fw_info->feature = adev->vce.fb_version;
222 		break;
223 	case AMDGPU_INFO_FW_UVD:
224 		fw_info->ver = adev->uvd.fw_version;
225 		fw_info->feature = 0;
226 		break;
227 	case AMDGPU_INFO_FW_VCN:
228 		fw_info->ver = adev->vcn.fw_version;
229 		fw_info->feature = 0;
230 		break;
231 	case AMDGPU_INFO_FW_GMC:
232 		fw_info->ver = adev->gmc.fw_version;
233 		fw_info->feature = 0;
234 		break;
235 	case AMDGPU_INFO_FW_GFX_ME:
236 		fw_info->ver = adev->gfx.me_fw_version;
237 		fw_info->feature = adev->gfx.me_feature_version;
238 		break;
239 	case AMDGPU_INFO_FW_GFX_PFP:
240 		fw_info->ver = adev->gfx.pfp_fw_version;
241 		fw_info->feature = adev->gfx.pfp_feature_version;
242 		break;
243 	case AMDGPU_INFO_FW_GFX_CE:
244 		fw_info->ver = adev->gfx.ce_fw_version;
245 		fw_info->feature = adev->gfx.ce_feature_version;
246 		break;
247 	case AMDGPU_INFO_FW_GFX_RLC:
248 		fw_info->ver = adev->gfx.rlc_fw_version;
249 		fw_info->feature = adev->gfx.rlc_feature_version;
250 		break;
251 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
252 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
253 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
254 		break;
255 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
256 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
257 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
258 		break;
259 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
260 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
261 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
262 		break;
263 	case AMDGPU_INFO_FW_GFX_MEC:
264 		if (query_fw->index == 0) {
265 			fw_info->ver = adev->gfx.mec_fw_version;
266 			fw_info->feature = adev->gfx.mec_feature_version;
267 		} else if (query_fw->index == 1) {
268 			fw_info->ver = adev->gfx.mec2_fw_version;
269 			fw_info->feature = adev->gfx.mec2_feature_version;
270 		} else
271 			return -EINVAL;
272 		break;
273 	case AMDGPU_INFO_FW_SMC:
274 		fw_info->ver = adev->pm.fw_version;
275 		fw_info->feature = 0;
276 		break;
277 	case AMDGPU_INFO_FW_TA:
278 		if (query_fw->index > 1)
279 			return -EINVAL;
280 		if (query_fw->index == 0) {
281 			fw_info->ver = adev->psp.ta_fw_version;
282 			fw_info->feature = adev->psp.ta_xgmi_ucode_version;
283 		} else {
284 			fw_info->ver = adev->psp.ta_fw_version;
285 			fw_info->feature = adev->psp.ta_ras_ucode_version;
286 		}
287 		break;
288 	case AMDGPU_INFO_FW_SDMA:
289 		if (query_fw->index >= adev->sdma.num_instances)
290 			return -EINVAL;
291 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
292 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
293 		break;
294 	case AMDGPU_INFO_FW_SOS:
295 		fw_info->ver = adev->psp.sos_fw_version;
296 		fw_info->feature = adev->psp.sos_feature_version;
297 		break;
298 	case AMDGPU_INFO_FW_ASD:
299 		fw_info->ver = adev->psp.asd_fw_version;
300 		fw_info->feature = adev->psp.asd_feature_version;
301 		break;
302 	case AMDGPU_INFO_FW_DMCU:
303 		fw_info->ver = adev->dm.dmcu_fw_version;
304 		fw_info->feature = 0;
305 		break;
306 	case AMDGPU_INFO_FW_DMCUB:
307 		fw_info->ver = adev->dm.dmcub_fw_version;
308 		fw_info->feature = 0;
309 		break;
310 	default:
311 		return -EINVAL;
312 	}
313 	return 0;
314 }
315 
316 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
317 			     struct drm_amdgpu_info *info,
318 			     struct drm_amdgpu_info_hw_ip *result)
319 {
320 	uint32_t ib_start_alignment = 0;
321 	uint32_t ib_size_alignment = 0;
322 	enum amd_ip_block_type type;
323 	unsigned int num_rings = 0;
324 	unsigned int i, j;
325 
326 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
327 		return -EINVAL;
328 
329 	switch (info->query_hw_ip.type) {
330 	case AMDGPU_HW_IP_GFX:
331 		type = AMD_IP_BLOCK_TYPE_GFX;
332 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
333 			if (adev->gfx.gfx_ring[i].sched.ready)
334 				++num_rings;
335 		ib_start_alignment = 32;
336 		ib_size_alignment = 32;
337 		break;
338 	case AMDGPU_HW_IP_COMPUTE:
339 		type = AMD_IP_BLOCK_TYPE_GFX;
340 		for (i = 0; i < adev->gfx.num_compute_rings; i++)
341 			if (adev->gfx.compute_ring[i].sched.ready)
342 				++num_rings;
343 		ib_start_alignment = 32;
344 		ib_size_alignment = 32;
345 		break;
346 	case AMDGPU_HW_IP_DMA:
347 		type = AMD_IP_BLOCK_TYPE_SDMA;
348 		for (i = 0; i < adev->sdma.num_instances; i++)
349 			if (adev->sdma.instance[i].ring.sched.ready)
350 				++num_rings;
351 		ib_start_alignment = 256;
352 		ib_size_alignment = 4;
353 		break;
354 	case AMDGPU_HW_IP_UVD:
355 		type = AMD_IP_BLOCK_TYPE_UVD;
356 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
357 			if (adev->uvd.harvest_config & (1 << i))
358 				continue;
359 
360 			if (adev->uvd.inst[i].ring.sched.ready)
361 				++num_rings;
362 		}
363 		ib_start_alignment = 64;
364 		ib_size_alignment = 64;
365 		break;
366 	case AMDGPU_HW_IP_VCE:
367 		type = AMD_IP_BLOCK_TYPE_VCE;
368 		for (i = 0; i < adev->vce.num_rings; i++)
369 			if (adev->vce.ring[i].sched.ready)
370 				++num_rings;
371 		ib_start_alignment = 4;
372 		ib_size_alignment = 1;
373 		break;
374 	case AMDGPU_HW_IP_UVD_ENC:
375 		type = AMD_IP_BLOCK_TYPE_UVD;
376 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
377 			if (adev->uvd.harvest_config & (1 << i))
378 				continue;
379 
380 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
381 				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
382 					++num_rings;
383 		}
384 		ib_start_alignment = 64;
385 		ib_size_alignment = 64;
386 		break;
387 	case AMDGPU_HW_IP_VCN_DEC:
388 		type = AMD_IP_BLOCK_TYPE_VCN;
389 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
390 			if (adev->uvd.harvest_config & (1 << i))
391 				continue;
392 
393 			if (adev->vcn.inst[i].ring_dec.sched.ready)
394 				++num_rings;
395 		}
396 		ib_start_alignment = 16;
397 		ib_size_alignment = 16;
398 		break;
399 	case AMDGPU_HW_IP_VCN_ENC:
400 		type = AMD_IP_BLOCK_TYPE_VCN;
401 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
402 			if (adev->uvd.harvest_config & (1 << i))
403 				continue;
404 
405 			for (j = 0; j < adev->vcn.num_enc_rings; j++)
406 				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
407 					++num_rings;
408 		}
409 		ib_start_alignment = 64;
410 		ib_size_alignment = 1;
411 		break;
412 	case AMDGPU_HW_IP_VCN_JPEG:
413 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
414 			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
415 
416 		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
417 			if (adev->jpeg.harvest_config & (1 << i))
418 				continue;
419 
420 			if (adev->jpeg.inst[i].ring_dec.sched.ready)
421 				++num_rings;
422 		}
423 		ib_start_alignment = 16;
424 		ib_size_alignment = 16;
425 		break;
426 	default:
427 		return -EINVAL;
428 	}
429 
430 	for (i = 0; i < adev->num_ip_blocks; i++)
431 		if (adev->ip_blocks[i].version->type == type &&
432 		    adev->ip_blocks[i].status.valid)
433 			break;
434 
435 	if (i == adev->num_ip_blocks)
436 		return 0;
437 
438 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
439 			num_rings);
440 
441 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
442 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
443 	result->capabilities_flags = 0;
444 	result->available_rings = (1 << num_rings) - 1;
445 	result->ib_start_alignment = ib_start_alignment;
446 	result->ib_size_alignment = ib_size_alignment;
447 	return 0;
448 }
449 
450 /*
451  * Userspace get information ioctl
452  */
453 /**
454  * amdgpu_info_ioctl - answer a device specific request.
455  *
456  * @adev: amdgpu device pointer
457  * @data: request object
458  * @filp: drm filp
459  *
460  * This function is used to pass device specific parameters to the userspace
461  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
462  * etc. (all asics).
463  * Returns 0 on success, -EINVAL on failure.
464  */
465 static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
466 {
467 	struct amdgpu_device *adev = dev->dev_private;
468 	struct drm_amdgpu_info *info = data;
469 	struct amdgpu_mode_info *minfo = &adev->mode_info;
470 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
471 	uint32_t size = info->return_size;
472 	struct drm_crtc *crtc;
473 	uint32_t ui32 = 0;
474 	uint64_t ui64 = 0;
475 	int i, found;
476 	int ui32_size = sizeof(ui32);
477 
478 	if (!info->return_size || !info->return_pointer)
479 		return -EINVAL;
480 
481 	switch (info->query) {
482 	case AMDGPU_INFO_ACCEL_WORKING:
483 		ui32 = adev->accel_working;
484 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
485 	case AMDGPU_INFO_CRTC_FROM_ID:
486 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
487 			crtc = (struct drm_crtc *)minfo->crtcs[i];
488 			if (crtc && crtc->base.id == info->mode_crtc.id) {
489 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
490 				ui32 = amdgpu_crtc->crtc_id;
491 				found = 1;
492 				break;
493 			}
494 		}
495 		if (!found) {
496 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
497 			return -EINVAL;
498 		}
499 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
500 	case AMDGPU_INFO_HW_IP_INFO: {
501 		struct drm_amdgpu_info_hw_ip ip = {};
502 		int ret;
503 
504 		ret = amdgpu_hw_ip_info(adev, info, &ip);
505 		if (ret)
506 			return ret;
507 
508 		ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
509 		return ret ? -EFAULT : 0;
510 	}
511 	case AMDGPU_INFO_HW_IP_COUNT: {
512 		enum amd_ip_block_type type;
513 		uint32_t count = 0;
514 
515 		switch (info->query_hw_ip.type) {
516 		case AMDGPU_HW_IP_GFX:
517 			type = AMD_IP_BLOCK_TYPE_GFX;
518 			break;
519 		case AMDGPU_HW_IP_COMPUTE:
520 			type = AMD_IP_BLOCK_TYPE_GFX;
521 			break;
522 		case AMDGPU_HW_IP_DMA:
523 			type = AMD_IP_BLOCK_TYPE_SDMA;
524 			break;
525 		case AMDGPU_HW_IP_UVD:
526 			type = AMD_IP_BLOCK_TYPE_UVD;
527 			break;
528 		case AMDGPU_HW_IP_VCE:
529 			type = AMD_IP_BLOCK_TYPE_VCE;
530 			break;
531 		case AMDGPU_HW_IP_UVD_ENC:
532 			type = AMD_IP_BLOCK_TYPE_UVD;
533 			break;
534 		case AMDGPU_HW_IP_VCN_DEC:
535 		case AMDGPU_HW_IP_VCN_ENC:
536 			type = AMD_IP_BLOCK_TYPE_VCN;
537 			break;
538 		case AMDGPU_HW_IP_VCN_JPEG:
539 			type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
540 				AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
541 			break;
542 		default:
543 			return -EINVAL;
544 		}
545 
546 		for (i = 0; i < adev->num_ip_blocks; i++)
547 			if (adev->ip_blocks[i].version->type == type &&
548 			    adev->ip_blocks[i].status.valid &&
549 			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
550 				count++;
551 
552 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
553 	}
554 	case AMDGPU_INFO_TIMESTAMP:
555 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
556 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
557 	case AMDGPU_INFO_FW_VERSION: {
558 		struct drm_amdgpu_info_firmware fw_info;
559 		int ret;
560 
561 		/* We only support one instance of each IP block right now. */
562 		if (info->query_fw.ip_instance != 0)
563 			return -EINVAL;
564 
565 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
566 		if (ret)
567 			return ret;
568 
569 		return copy_to_user(out, &fw_info,
570 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
571 	}
572 	case AMDGPU_INFO_NUM_BYTES_MOVED:
573 		ui64 = atomic64_read(&adev->num_bytes_moved);
574 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
575 	case AMDGPU_INFO_NUM_EVICTIONS:
576 		ui64 = atomic64_read(&adev->num_evictions);
577 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
578 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
579 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
580 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
581 	case AMDGPU_INFO_VRAM_USAGE:
582 		ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
583 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
584 	case AMDGPU_INFO_VIS_VRAM_USAGE:
585 		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
586 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
587 	case AMDGPU_INFO_GTT_USAGE:
588 		ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
589 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
590 	case AMDGPU_INFO_GDS_CONFIG: {
591 		struct drm_amdgpu_info_gds gds_info;
592 
593 		memset(&gds_info, 0, sizeof(gds_info));
594 		gds_info.compute_partition_size = adev->gds.gds_size;
595 		gds_info.gds_total_size = adev->gds.gds_size;
596 		gds_info.gws_per_compute_partition = adev->gds.gws_size;
597 		gds_info.oa_per_compute_partition = adev->gds.oa_size;
598 		return copy_to_user(out, &gds_info,
599 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
600 	}
601 	case AMDGPU_INFO_VRAM_GTT: {
602 		struct drm_amdgpu_info_vram_gtt vram_gtt;
603 
604 		vram_gtt.vram_size = adev->gmc.real_vram_size -
605 			atomic64_read(&adev->vram_pin_size) -
606 			AMDGPU_VM_RESERVED_VRAM;
607 		vram_gtt.vram_cpu_accessible_size =
608 			min(adev->gmc.visible_vram_size -
609 			    atomic64_read(&adev->visible_pin_size),
610 			    vram_gtt.vram_size);
611 		vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size;
612 		vram_gtt.gtt_size *= PAGE_SIZE;
613 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
614 		return copy_to_user(out, &vram_gtt,
615 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
616 	}
617 	case AMDGPU_INFO_MEMORY: {
618 		struct drm_amdgpu_memory_info mem;
619 
620 		memset(&mem, 0, sizeof(mem));
621 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
622 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
623 			atomic64_read(&adev->vram_pin_size) -
624 			AMDGPU_VM_RESERVED_VRAM;
625 		mem.vram.heap_usage =
626 			amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
627 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
628 
629 		mem.cpu_accessible_vram.total_heap_size =
630 			adev->gmc.visible_vram_size;
631 		mem.cpu_accessible_vram.usable_heap_size =
632 			min(adev->gmc.visible_vram_size -
633 			    atomic64_read(&adev->visible_pin_size),
634 			    mem.vram.usable_heap_size);
635 		mem.cpu_accessible_vram.heap_usage =
636 			amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
637 		mem.cpu_accessible_vram.max_allocation =
638 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
639 
640 		mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size;
641 		mem.gtt.total_heap_size *= PAGE_SIZE;
642 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
643 			atomic64_read(&adev->gart_pin_size);
644 		mem.gtt.heap_usage =
645 			amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
646 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
647 
648 		return copy_to_user(out, &mem,
649 				    min((size_t)size, sizeof(mem)))
650 				    ? -EFAULT : 0;
651 	}
652 	case AMDGPU_INFO_READ_MMR_REG: {
653 		unsigned n, alloc_size;
654 		uint32_t *regs;
655 		unsigned se_num = (info->read_mmr_reg.instance >>
656 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
657 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
658 		unsigned sh_num = (info->read_mmr_reg.instance >>
659 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
660 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
661 
662 		/* set full masks if the userspace set all bits
663 		 * in the bitfields */
664 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
665 			se_num = 0xffffffff;
666 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
667 			sh_num = 0xffffffff;
668 
669 		if (info->read_mmr_reg.count > 128)
670 			return -EINVAL;
671 
672 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
673 		if (!regs)
674 			return -ENOMEM;
675 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
676 
677 		amdgpu_gfx_off_ctrl(adev, false);
678 		for (i = 0; i < info->read_mmr_reg.count; i++) {
679 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
680 						      info->read_mmr_reg.dword_offset + i,
681 						      &regs[i])) {
682 				DRM_DEBUG_KMS("unallowed offset %#x\n",
683 					      info->read_mmr_reg.dword_offset + i);
684 				kfree(regs);
685 				amdgpu_gfx_off_ctrl(adev, true);
686 				return -EFAULT;
687 			}
688 		}
689 		amdgpu_gfx_off_ctrl(adev, true);
690 		n = copy_to_user(out, regs, min(size, alloc_size));
691 		kfree(regs);
692 		return n ? -EFAULT : 0;
693 	}
694 	case AMDGPU_INFO_DEV_INFO: {
695 		struct drm_amdgpu_info_device dev_info;
696 		uint64_t vm_size;
697 
698 		memset(&dev_info, 0, sizeof(dev_info));
699 		dev_info.device_id = dev->pdev->device;
700 		dev_info.chip_rev = adev->rev_id;
701 		dev_info.external_rev = adev->external_rev_id;
702 		dev_info.pci_rev = dev->pdev->revision;
703 		dev_info.family = adev->family;
704 		dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
705 		dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
706 		/* return all clocks in KHz */
707 		dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
708 		if (adev->pm.dpm_enabled) {
709 			dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
710 			dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
711 		} else {
712 			dev_info.max_engine_clock = adev->clock.default_sclk * 10;
713 			dev_info.max_memory_clock = adev->clock.default_mclk * 10;
714 		}
715 		dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
716 		dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
717 			adev->gfx.config.max_shader_engines;
718 		dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
719 		dev_info._pad = 0;
720 		dev_info.ids_flags = 0;
721 		if (adev->flags & AMD_IS_APU)
722 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
723 		if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
724 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
725 
726 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
727 		vm_size -= AMDGPU_VA_RESERVED_SIZE;
728 
729 		/* Older VCE FW versions are buggy and can handle only 40bits */
730 		if (adev->vce.fw_version &&
731 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
732 			vm_size = min(vm_size, 1ULL << 40);
733 
734 		dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
735 		dev_info.virtual_address_max =
736 			min(vm_size, AMDGPU_GMC_HOLE_START);
737 
738 		if (vm_size > AMDGPU_GMC_HOLE_START) {
739 			dev_info.high_va_offset = AMDGPU_GMC_HOLE_END;
740 			dev_info.high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
741 		}
742 		dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
743 		dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
744 		dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
745 		dev_info.cu_active_number = adev->gfx.cu_info.number;
746 		dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
747 		dev_info.ce_ram_size = adev->gfx.ce_ram_size;
748 		memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
749 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
750 		memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
751 		       sizeof(adev->gfx.cu_info.bitmap));
752 		dev_info.vram_type = adev->gmc.vram_type;
753 		dev_info.vram_bit_width = adev->gmc.vram_width;
754 		dev_info.vce_harvest_config = adev->vce.harvest_config;
755 		dev_info.gc_double_offchip_lds_buf =
756 			adev->gfx.config.double_offchip_lds_buf;
757 		dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
758 		dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
759 		dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
760 		dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
761 		dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
762 		dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
763 		dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
764 
765 		if (adev->family >= AMDGPU_FAMILY_NV)
766 			dev_info.pa_sc_tile_steering_override =
767 				adev->gfx.config.pa_sc_tile_steering_override;
768 
769 		dev_info.tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
770 
771 		return copy_to_user(out, &dev_info,
772 				    min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
773 	}
774 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
775 		unsigned i;
776 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
777 		struct amd_vce_state *vce_state;
778 
779 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
780 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
781 			if (vce_state) {
782 				vce_clk_table.entries[i].sclk = vce_state->sclk;
783 				vce_clk_table.entries[i].mclk = vce_state->mclk;
784 				vce_clk_table.entries[i].eclk = vce_state->evclk;
785 				vce_clk_table.num_valid_entries++;
786 			}
787 		}
788 
789 		return copy_to_user(out, &vce_clk_table,
790 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
791 	}
792 	case AMDGPU_INFO_VBIOS: {
793 		uint32_t bios_size = adev->bios_size;
794 
795 		switch (info->vbios_info.type) {
796 		case AMDGPU_INFO_VBIOS_SIZE:
797 			return copy_to_user(out, &bios_size,
798 					min((size_t)size, sizeof(bios_size)))
799 					? -EFAULT : 0;
800 		case AMDGPU_INFO_VBIOS_IMAGE: {
801 			uint8_t *bios;
802 			uint32_t bios_offset = info->vbios_info.offset;
803 
804 			if (bios_offset >= bios_size)
805 				return -EINVAL;
806 
807 			bios = adev->bios + bios_offset;
808 			return copy_to_user(out, bios,
809 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
810 					? -EFAULT : 0;
811 		}
812 		default:
813 			DRM_DEBUG_KMS("Invalid request %d\n",
814 					info->vbios_info.type);
815 			return -EINVAL;
816 		}
817 	}
818 	case AMDGPU_INFO_NUM_HANDLES: {
819 		struct drm_amdgpu_info_num_handles handle;
820 
821 		switch (info->query_hw_ip.type) {
822 		case AMDGPU_HW_IP_UVD:
823 			/* Starting Polaris, we support unlimited UVD handles */
824 			if (adev->asic_type < CHIP_POLARIS10) {
825 				handle.uvd_max_handles = adev->uvd.max_handles;
826 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
827 
828 				return copy_to_user(out, &handle,
829 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
830 			} else {
831 				return -ENODATA;
832 			}
833 
834 			break;
835 		default:
836 			return -EINVAL;
837 		}
838 	}
839 	case AMDGPU_INFO_SENSOR: {
840 		if (!adev->pm.dpm_enabled)
841 			return -ENOENT;
842 
843 		switch (info->sensor_info.type) {
844 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
845 			/* get sclk in Mhz */
846 			if (amdgpu_dpm_read_sensor(adev,
847 						   AMDGPU_PP_SENSOR_GFX_SCLK,
848 						   (void *)&ui32, &ui32_size)) {
849 				return -EINVAL;
850 			}
851 			ui32 /= 100;
852 			break;
853 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
854 			/* get mclk in Mhz */
855 			if (amdgpu_dpm_read_sensor(adev,
856 						   AMDGPU_PP_SENSOR_GFX_MCLK,
857 						   (void *)&ui32, &ui32_size)) {
858 				return -EINVAL;
859 			}
860 			ui32 /= 100;
861 			break;
862 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
863 			/* get temperature in millidegrees C */
864 			if (amdgpu_dpm_read_sensor(adev,
865 						   AMDGPU_PP_SENSOR_GPU_TEMP,
866 						   (void *)&ui32, &ui32_size)) {
867 				return -EINVAL;
868 			}
869 			break;
870 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
871 			/* get GPU load */
872 			if (amdgpu_dpm_read_sensor(adev,
873 						   AMDGPU_PP_SENSOR_GPU_LOAD,
874 						   (void *)&ui32, &ui32_size)) {
875 				return -EINVAL;
876 			}
877 			break;
878 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
879 			/* get average GPU power */
880 			if (amdgpu_dpm_read_sensor(adev,
881 						   AMDGPU_PP_SENSOR_GPU_POWER,
882 						   (void *)&ui32, &ui32_size)) {
883 				return -EINVAL;
884 			}
885 			ui32 >>= 8;
886 			break;
887 		case AMDGPU_INFO_SENSOR_VDDNB:
888 			/* get VDDNB in millivolts */
889 			if (amdgpu_dpm_read_sensor(adev,
890 						   AMDGPU_PP_SENSOR_VDDNB,
891 						   (void *)&ui32, &ui32_size)) {
892 				return -EINVAL;
893 			}
894 			break;
895 		case AMDGPU_INFO_SENSOR_VDDGFX:
896 			/* get VDDGFX in millivolts */
897 			if (amdgpu_dpm_read_sensor(adev,
898 						   AMDGPU_PP_SENSOR_VDDGFX,
899 						   (void *)&ui32, &ui32_size)) {
900 				return -EINVAL;
901 			}
902 			break;
903 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
904 			/* get stable pstate sclk in Mhz */
905 			if (amdgpu_dpm_read_sensor(adev,
906 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
907 						   (void *)&ui32, &ui32_size)) {
908 				return -EINVAL;
909 			}
910 			ui32 /= 100;
911 			break;
912 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
913 			/* get stable pstate mclk in Mhz */
914 			if (amdgpu_dpm_read_sensor(adev,
915 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
916 						   (void *)&ui32, &ui32_size)) {
917 				return -EINVAL;
918 			}
919 			ui32 /= 100;
920 			break;
921 		default:
922 			DRM_DEBUG_KMS("Invalid request %d\n",
923 				      info->sensor_info.type);
924 			return -EINVAL;
925 		}
926 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
927 	}
928 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
929 		ui32 = atomic_read(&adev->vram_lost_counter);
930 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
931 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
932 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
933 		uint64_t ras_mask;
934 
935 		if (!ras)
936 			return -EINVAL;
937 		ras_mask = (uint64_t)ras->supported << 32 | ras->features;
938 
939 		return copy_to_user(out, &ras_mask,
940 				min_t(u64, size, sizeof(ras_mask))) ?
941 			-EFAULT : 0;
942 	}
943 	default:
944 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
945 		return -EINVAL;
946 	}
947 	return 0;
948 }
949 
950 
951 /*
952  * Outdated mess for old drm with Xorg being in charge (void function now).
953  */
954 /**
955  * amdgpu_driver_lastclose_kms - drm callback for last close
956  *
957  * @dev: drm dev pointer
958  *
959  * Switch vga_switcheroo state after last close (all asics).
960  */
961 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
962 {
963 	drm_fb_helper_lastclose(dev);
964 	vga_switcheroo_process_delayed_switch();
965 }
966 
967 /**
968  * amdgpu_driver_open_kms - drm callback for open
969  *
970  * @dev: drm dev pointer
971  * @file_priv: drm file
972  *
973  * On device open, init vm on cayman+ (all asics).
974  * Returns 0 on success, error on failure.
975  */
976 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
977 {
978 	struct amdgpu_device *adev = dev->dev_private;
979 	struct amdgpu_fpriv *fpriv;
980 	int r, pasid;
981 
982 	/* Ensure IB tests are run on ring */
983 	flush_delayed_work(&adev->delayed_init_work);
984 
985 
986 	if (amdgpu_ras_intr_triggered()) {
987 		DRM_ERROR("RAS Intr triggered, device disabled!!");
988 		return -EHWPOISON;
989 	}
990 
991 	file_priv->driver_priv = NULL;
992 
993 	r = pm_runtime_get_sync(dev->dev);
994 	if (r < 0)
995 		return r;
996 
997 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
998 	if (unlikely(!fpriv)) {
999 		r = -ENOMEM;
1000 		goto out_suspend;
1001 	}
1002 
1003 	pasid = amdgpu_pasid_alloc(16);
1004 	if (pasid < 0) {
1005 		dev_warn(adev->dev, "No more PASIDs available!");
1006 		pasid = 0;
1007 	}
1008 	r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid);
1009 	if (r)
1010 		goto error_pasid;
1011 
1012 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1013 	if (!fpriv->prt_va) {
1014 		r = -ENOMEM;
1015 		goto error_vm;
1016 	}
1017 
1018 	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1019 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1020 
1021 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1022 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1023 		if (r)
1024 			goto error_vm;
1025 	}
1026 
1027 	mutex_init(&fpriv->bo_list_lock);
1028 	idr_init(&fpriv->bo_list_handles);
1029 
1030 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
1031 
1032 	file_priv->driver_priv = fpriv;
1033 	goto out_suspend;
1034 
1035 error_vm:
1036 	amdgpu_vm_fini(adev, &fpriv->vm);
1037 
1038 error_pasid:
1039 	if (pasid)
1040 		amdgpu_pasid_free(pasid);
1041 
1042 	kfree(fpriv);
1043 
1044 out_suspend:
1045 	pm_runtime_mark_last_busy(dev->dev);
1046 	pm_runtime_put_autosuspend(dev->dev);
1047 
1048 	return r;
1049 }
1050 
1051 /**
1052  * amdgpu_driver_postclose_kms - drm callback for post close
1053  *
1054  * @dev: drm dev pointer
1055  * @file_priv: drm file
1056  *
1057  * On device post close, tear down vm on cayman+ (all asics).
1058  */
1059 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1060 				 struct drm_file *file_priv)
1061 {
1062 	struct amdgpu_device *adev = dev->dev_private;
1063 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1064 	struct amdgpu_bo_list *list;
1065 	struct amdgpu_bo *pd;
1066 	unsigned int pasid;
1067 	int handle;
1068 
1069 	if (!fpriv)
1070 		return;
1071 
1072 	pm_runtime_get_sync(dev->dev);
1073 
1074 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1075 		amdgpu_uvd_free_handles(adev, file_priv);
1076 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1077 		amdgpu_vce_free_handles(adev, file_priv);
1078 
1079 	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1080 
1081 	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1082 		/* TODO: how to handle reserve failure */
1083 		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1084 		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1085 		fpriv->csa_va = NULL;
1086 		amdgpu_bo_unreserve(adev->virt.csa_obj);
1087 	}
1088 
1089 	pasid = fpriv->vm.pasid;
1090 	pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
1091 
1092 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1093 	amdgpu_vm_fini(adev, &fpriv->vm);
1094 
1095 	if (pasid)
1096 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1097 	amdgpu_bo_unref(&pd);
1098 
1099 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1100 		amdgpu_bo_list_put(list);
1101 
1102 	idr_destroy(&fpriv->bo_list_handles);
1103 	mutex_destroy(&fpriv->bo_list_lock);
1104 
1105 	kfree(fpriv);
1106 	file_priv->driver_priv = NULL;
1107 
1108 	pm_runtime_mark_last_busy(dev->dev);
1109 	pm_runtime_put_autosuspend(dev->dev);
1110 }
1111 
1112 /*
1113  * VBlank related functions.
1114  */
1115 /**
1116  * amdgpu_get_vblank_counter_kms - get frame count
1117  *
1118  * @crtc: crtc to get the frame count from
1119  *
1120  * Gets the frame count on the requested crtc (all asics).
1121  * Returns frame count on success, -EINVAL on failure.
1122  */
1123 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1124 {
1125 	struct drm_device *dev = crtc->dev;
1126 	unsigned int pipe = crtc->index;
1127 	struct amdgpu_device *adev = dev->dev_private;
1128 	int vpos, hpos, stat;
1129 	u32 count;
1130 
1131 	if (pipe >= adev->mode_info.num_crtc) {
1132 		DRM_ERROR("Invalid crtc %u\n", pipe);
1133 		return -EINVAL;
1134 	}
1135 
1136 	/* The hw increments its frame counter at start of vsync, not at start
1137 	 * of vblank, as is required by DRM core vblank counter handling.
1138 	 * Cook the hw count here to make it appear to the caller as if it
1139 	 * incremented at start of vblank. We measure distance to start of
1140 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1141 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1142 	 * result by 1 to give the proper appearance to caller.
1143 	 */
1144 	if (adev->mode_info.crtcs[pipe]) {
1145 		/* Repeat readout if needed to provide stable result if
1146 		 * we cross start of vsync during the queries.
1147 		 */
1148 		do {
1149 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1150 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1151 			 * vpos as distance to start of vblank, instead of
1152 			 * regular vertical scanout pos.
1153 			 */
1154 			stat = amdgpu_display_get_crtc_scanoutpos(
1155 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1156 				&vpos, &hpos, NULL, NULL,
1157 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1158 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1159 
1160 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1161 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1162 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1163 		} else {
1164 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1165 				      pipe, vpos);
1166 
1167 			/* Bump counter if we are at >= leading edge of vblank,
1168 			 * but before vsync where vpos would turn negative and
1169 			 * the hw counter really increments.
1170 			 */
1171 			if (vpos >= 0)
1172 				count++;
1173 		}
1174 	} else {
1175 		/* Fallback to use value as is. */
1176 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1177 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1178 	}
1179 
1180 	return count;
1181 }
1182 
1183 /**
1184  * amdgpu_enable_vblank_kms - enable vblank interrupt
1185  *
1186  * @crtc: crtc to enable vblank interrupt for
1187  *
1188  * Enable the interrupt on the requested crtc (all asics).
1189  * Returns 0 on success, -EINVAL on failure.
1190  */
1191 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1192 {
1193 	struct drm_device *dev = crtc->dev;
1194 	unsigned int pipe = crtc->index;
1195 	struct amdgpu_device *adev = dev->dev_private;
1196 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1197 
1198 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1199 }
1200 
1201 /**
1202  * amdgpu_disable_vblank_kms - disable vblank interrupt
1203  *
1204  * @crtc: crtc to disable vblank interrupt for
1205  *
1206  * Disable the interrupt on the requested crtc (all asics).
1207  */
1208 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1209 {
1210 	struct drm_device *dev = crtc->dev;
1211 	unsigned int pipe = crtc->index;
1212 	struct amdgpu_device *adev = dev->dev_private;
1213 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1214 
1215 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1216 }
1217 
1218 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
1219 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1220 	DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1221 	DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1222 	DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER),
1223 	DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1224 	DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1225 	/* KMS */
1226 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1227 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1228 	DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1229 	DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1230 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1231 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1232 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1233 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1234 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1235 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW)
1236 };
1237 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1238 
1239 /*
1240  * Debugfs info
1241  */
1242 #if defined(CONFIG_DEBUG_FS)
1243 
1244 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
1245 {
1246 	struct drm_info_node *node = (struct drm_info_node *) m->private;
1247 	struct drm_device *dev = node->minor->dev;
1248 	struct amdgpu_device *adev = dev->dev_private;
1249 	struct drm_amdgpu_info_firmware fw_info;
1250 	struct drm_amdgpu_query_fw query_fw;
1251 	struct atom_context *ctx = adev->mode_info.atom_context;
1252 	int ret, i;
1253 
1254 	/* VCE */
1255 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1256 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1257 	if (ret)
1258 		return ret;
1259 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1260 		   fw_info.feature, fw_info.ver);
1261 
1262 	/* UVD */
1263 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1264 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1265 	if (ret)
1266 		return ret;
1267 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1268 		   fw_info.feature, fw_info.ver);
1269 
1270 	/* GMC */
1271 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1272 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1273 	if (ret)
1274 		return ret;
1275 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1276 		   fw_info.feature, fw_info.ver);
1277 
1278 	/* ME */
1279 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1280 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1281 	if (ret)
1282 		return ret;
1283 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1284 		   fw_info.feature, fw_info.ver);
1285 
1286 	/* PFP */
1287 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1288 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1289 	if (ret)
1290 		return ret;
1291 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1292 		   fw_info.feature, fw_info.ver);
1293 
1294 	/* CE */
1295 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1296 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1297 	if (ret)
1298 		return ret;
1299 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1300 		   fw_info.feature, fw_info.ver);
1301 
1302 	/* RLC */
1303 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1304 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1305 	if (ret)
1306 		return ret;
1307 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1308 		   fw_info.feature, fw_info.ver);
1309 
1310 	/* RLC SAVE RESTORE LIST CNTL */
1311 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1312 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1313 	if (ret)
1314 		return ret;
1315 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1316 		   fw_info.feature, fw_info.ver);
1317 
1318 	/* RLC SAVE RESTORE LIST GPM MEM */
1319 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1320 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1321 	if (ret)
1322 		return ret;
1323 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1324 		   fw_info.feature, fw_info.ver);
1325 
1326 	/* RLC SAVE RESTORE LIST SRM MEM */
1327 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1328 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1329 	if (ret)
1330 		return ret;
1331 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1332 		   fw_info.feature, fw_info.ver);
1333 
1334 	/* MEC */
1335 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1336 	query_fw.index = 0;
1337 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1338 	if (ret)
1339 		return ret;
1340 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1341 		   fw_info.feature, fw_info.ver);
1342 
1343 	/* MEC2 */
1344 	if (adev->asic_type == CHIP_KAVERI ||
1345 	    (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
1346 		query_fw.index = 1;
1347 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1348 		if (ret)
1349 			return ret;
1350 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1351 			   fw_info.feature, fw_info.ver);
1352 	}
1353 
1354 	/* PSP SOS */
1355 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1356 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1357 	if (ret)
1358 		return ret;
1359 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1360 		   fw_info.feature, fw_info.ver);
1361 
1362 
1363 	/* PSP ASD */
1364 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1365 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1366 	if (ret)
1367 		return ret;
1368 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1369 		   fw_info.feature, fw_info.ver);
1370 
1371 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1372 	for (i = 0; i < 2; i++) {
1373 		query_fw.index = i;
1374 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1375 		if (ret)
1376 			continue;
1377 		seq_printf(m, "TA %s feature version: %u, firmware version: 0x%08x\n",
1378 				i ? "RAS" : "XGMI", fw_info.feature, fw_info.ver);
1379 	}
1380 
1381 	/* SMC */
1382 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1383 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1384 	if (ret)
1385 		return ret;
1386 	seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1387 		   fw_info.feature, fw_info.ver);
1388 
1389 	/* SDMA */
1390 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1391 	for (i = 0; i < adev->sdma.num_instances; i++) {
1392 		query_fw.index = i;
1393 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1394 		if (ret)
1395 			return ret;
1396 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1397 			   i, fw_info.feature, fw_info.ver);
1398 	}
1399 
1400 	/* VCN */
1401 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1402 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1403 	if (ret)
1404 		return ret;
1405 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1406 		   fw_info.feature, fw_info.ver);
1407 
1408 	/* DMCU */
1409 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1410 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1411 	if (ret)
1412 		return ret;
1413 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1414 		   fw_info.feature, fw_info.ver);
1415 
1416 	/* DMCUB */
1417 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1418 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1419 	if (ret)
1420 		return ret;
1421 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1422 		   fw_info.feature, fw_info.ver);
1423 
1424 
1425 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1426 
1427 	return 0;
1428 }
1429 
1430 static const struct drm_info_list amdgpu_firmware_info_list[] = {
1431 	{"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1432 };
1433 #endif
1434 
1435 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1436 {
1437 #if defined(CONFIG_DEBUG_FS)
1438 	return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1439 					ARRAY_SIZE(amdgpu_firmware_info_list));
1440 #else
1441 	return 0;
1442 #endif
1443 }
1444