xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c (revision 023e41632e065d49bcbe31b3c4b336217f96a271)
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 #include <drm/drmP.h>
29 #include "amdgpu.h"
30 #include <drm/amdgpu_drm.h>
31 #include "amdgpu_sched.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/pm_runtime.h>
39 #include "amdgpu_amdkfd.h"
40 #include "amdgpu_gem.h"
41 #include "amdgpu_display.h"
42 
43 static void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
44 {
45 	struct amdgpu_gpu_instance *gpu_instance;
46 	int i;
47 
48 	mutex_lock(&mgpu_info.mutex);
49 
50 	for (i = 0; i < mgpu_info.num_gpu; i++) {
51 		gpu_instance = &(mgpu_info.gpu_ins[i]);
52 		if (gpu_instance->adev == adev) {
53 			mgpu_info.gpu_ins[i] =
54 				mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
55 			mgpu_info.num_gpu--;
56 			if (adev->flags & AMD_IS_APU)
57 				mgpu_info.num_apu--;
58 			else
59 				mgpu_info.num_dgpu--;
60 			break;
61 		}
62 	}
63 
64 	mutex_unlock(&mgpu_info.mutex);
65 }
66 
67 /**
68  * amdgpu_driver_unload_kms - Main unload function for KMS.
69  *
70  * @dev: drm dev pointer
71  *
72  * This is the main unload function for KMS (all asics).
73  * Returns 0 on success.
74  */
75 void amdgpu_driver_unload_kms(struct drm_device *dev)
76 {
77 	struct amdgpu_device *adev = dev->dev_private;
78 
79 	if (adev == NULL)
80 		return;
81 
82 	amdgpu_unregister_gpu_instance(adev);
83 
84 	if (adev->rmmio == NULL)
85 		goto done_free;
86 
87 	if (amdgpu_sriov_vf(adev))
88 		amdgpu_virt_request_full_gpu(adev, false);
89 
90 	if (amdgpu_device_is_px(dev)) {
91 		pm_runtime_get_sync(dev->dev);
92 		pm_runtime_forbid(dev->dev);
93 	}
94 
95 	amdgpu_acpi_fini(adev);
96 
97 	amdgpu_device_fini(adev);
98 
99 done_free:
100 	kfree(adev);
101 	dev->dev_private = NULL;
102 }
103 
104 static void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
105 {
106 	struct amdgpu_gpu_instance *gpu_instance;
107 
108 	mutex_lock(&mgpu_info.mutex);
109 
110 	if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
111 		DRM_ERROR("Cannot register more gpu instance\n");
112 		mutex_unlock(&mgpu_info.mutex);
113 		return;
114 	}
115 
116 	gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
117 	gpu_instance->adev = adev;
118 	gpu_instance->mgpu_fan_enabled = 0;
119 
120 	mgpu_info.num_gpu++;
121 	if (adev->flags & AMD_IS_APU)
122 		mgpu_info.num_apu++;
123 	else
124 		mgpu_info.num_dgpu++;
125 
126 	mutex_unlock(&mgpu_info.mutex);
127 }
128 
129 /**
130  * amdgpu_driver_load_kms - Main load function for KMS.
131  *
132  * @dev: drm dev pointer
133  * @flags: device flags
134  *
135  * This is the main load function for KMS (all asics).
136  * Returns 0 on success, error on failure.
137  */
138 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
139 {
140 	struct amdgpu_device *adev;
141 	int r, acpi_status;
142 
143 #ifdef CONFIG_DRM_AMDGPU_SI
144 	if (!amdgpu_si_support) {
145 		switch (flags & AMD_ASIC_MASK) {
146 		case CHIP_TAHITI:
147 		case CHIP_PITCAIRN:
148 		case CHIP_VERDE:
149 		case CHIP_OLAND:
150 		case CHIP_HAINAN:
151 			dev_info(dev->dev,
152 				 "SI support provided by radeon.\n");
153 			dev_info(dev->dev,
154 				 "Use radeon.si_support=0 amdgpu.si_support=1 to override.\n"
155 				);
156 			return -ENODEV;
157 		}
158 	}
159 #endif
160 #ifdef CONFIG_DRM_AMDGPU_CIK
161 	if (!amdgpu_cik_support) {
162 		switch (flags & AMD_ASIC_MASK) {
163 		case CHIP_KAVERI:
164 		case CHIP_BONAIRE:
165 		case CHIP_HAWAII:
166 		case CHIP_KABINI:
167 		case CHIP_MULLINS:
168 			dev_info(dev->dev,
169 				 "CIK support provided by radeon.\n");
170 			dev_info(dev->dev,
171 				 "Use radeon.cik_support=0 amdgpu.cik_support=1 to override.\n"
172 				);
173 			return -ENODEV;
174 		}
175 	}
176 #endif
177 
178 	adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
179 	if (adev == NULL) {
180 		return -ENOMEM;
181 	}
182 	dev->dev_private = (void *)adev;
183 
184 	if ((amdgpu_runtime_pm != 0) &&
185 	    amdgpu_has_atpx() &&
186 	    (amdgpu_is_atpx_hybrid() ||
187 	     amdgpu_has_atpx_dgpu_power_cntl()) &&
188 	    ((flags & AMD_IS_APU) == 0) &&
189 	    !pci_is_thunderbolt_attached(dev->pdev))
190 		flags |= AMD_IS_PX;
191 
192 	/* amdgpu_device_init should report only fatal error
193 	 * like memory allocation failure or iomapping failure,
194 	 * or memory manager initialization failure, it must
195 	 * properly initialize the GPU MC controller and permit
196 	 * VRAM allocation
197 	 */
198 	r = amdgpu_device_init(adev, dev, dev->pdev, flags);
199 	if (r) {
200 		dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
201 		goto out;
202 	}
203 
204 	/* Call ACPI methods: require modeset init
205 	 * but failure is not fatal
206 	 */
207 	if (!r) {
208 		acpi_status = amdgpu_acpi_init(adev);
209 		if (acpi_status)
210 			dev_dbg(&dev->pdev->dev,
211 				"Error during ACPI methods call\n");
212 	}
213 
214 	if (amdgpu_device_is_px(dev)) {
215 		dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NEVER_SKIP);
216 		pm_runtime_use_autosuspend(dev->dev);
217 		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
218 		pm_runtime_set_active(dev->dev);
219 		pm_runtime_allow(dev->dev);
220 		pm_runtime_mark_last_busy(dev->dev);
221 		pm_runtime_put_autosuspend(dev->dev);
222 	}
223 
224 	amdgpu_register_gpu_instance(adev);
225 out:
226 	if (r) {
227 		/* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
228 		if (adev->rmmio && amdgpu_device_is_px(dev))
229 			pm_runtime_put_noidle(dev->dev);
230 		amdgpu_driver_unload_kms(dev);
231 	}
232 
233 	return r;
234 }
235 
236 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
237 				struct drm_amdgpu_query_fw *query_fw,
238 				struct amdgpu_device *adev)
239 {
240 	switch (query_fw->fw_type) {
241 	case AMDGPU_INFO_FW_VCE:
242 		fw_info->ver = adev->vce.fw_version;
243 		fw_info->feature = adev->vce.fb_version;
244 		break;
245 	case AMDGPU_INFO_FW_UVD:
246 		fw_info->ver = adev->uvd.fw_version;
247 		fw_info->feature = 0;
248 		break;
249 	case AMDGPU_INFO_FW_VCN:
250 		fw_info->ver = adev->vcn.fw_version;
251 		fw_info->feature = 0;
252 		break;
253 	case AMDGPU_INFO_FW_GMC:
254 		fw_info->ver = adev->gmc.fw_version;
255 		fw_info->feature = 0;
256 		break;
257 	case AMDGPU_INFO_FW_GFX_ME:
258 		fw_info->ver = adev->gfx.me_fw_version;
259 		fw_info->feature = adev->gfx.me_feature_version;
260 		break;
261 	case AMDGPU_INFO_FW_GFX_PFP:
262 		fw_info->ver = adev->gfx.pfp_fw_version;
263 		fw_info->feature = adev->gfx.pfp_feature_version;
264 		break;
265 	case AMDGPU_INFO_FW_GFX_CE:
266 		fw_info->ver = adev->gfx.ce_fw_version;
267 		fw_info->feature = adev->gfx.ce_feature_version;
268 		break;
269 	case AMDGPU_INFO_FW_GFX_RLC:
270 		fw_info->ver = adev->gfx.rlc_fw_version;
271 		fw_info->feature = adev->gfx.rlc_feature_version;
272 		break;
273 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
274 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
275 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
276 		break;
277 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
278 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
279 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
280 		break;
281 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
282 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
283 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
284 		break;
285 	case AMDGPU_INFO_FW_GFX_MEC:
286 		if (query_fw->index == 0) {
287 			fw_info->ver = adev->gfx.mec_fw_version;
288 			fw_info->feature = adev->gfx.mec_feature_version;
289 		} else if (query_fw->index == 1) {
290 			fw_info->ver = adev->gfx.mec2_fw_version;
291 			fw_info->feature = adev->gfx.mec2_feature_version;
292 		} else
293 			return -EINVAL;
294 		break;
295 	case AMDGPU_INFO_FW_SMC:
296 		fw_info->ver = adev->pm.fw_version;
297 		fw_info->feature = 0;
298 		break;
299 	case AMDGPU_INFO_FW_SDMA:
300 		if (query_fw->index >= adev->sdma.num_instances)
301 			return -EINVAL;
302 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
303 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
304 		break;
305 	case AMDGPU_INFO_FW_SOS:
306 		fw_info->ver = adev->psp.sos_fw_version;
307 		fw_info->feature = adev->psp.sos_feature_version;
308 		break;
309 	case AMDGPU_INFO_FW_ASD:
310 		fw_info->ver = adev->psp.asd_fw_version;
311 		fw_info->feature = adev->psp.asd_feature_version;
312 		break;
313 	case AMDGPU_INFO_FW_DMCU:
314 		fw_info->ver = adev->dm.dmcu_fw_version;
315 		fw_info->feature = 0;
316 		break;
317 	default:
318 		return -EINVAL;
319 	}
320 	return 0;
321 }
322 
323 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
324 			     struct drm_amdgpu_info *info,
325 			     struct drm_amdgpu_info_hw_ip *result)
326 {
327 	uint32_t ib_start_alignment = 0;
328 	uint32_t ib_size_alignment = 0;
329 	enum amd_ip_block_type type;
330 	unsigned int num_rings = 0;
331 	unsigned int i, j;
332 
333 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
334 		return -EINVAL;
335 
336 	switch (info->query_hw_ip.type) {
337 	case AMDGPU_HW_IP_GFX:
338 		type = AMD_IP_BLOCK_TYPE_GFX;
339 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
340 			if (adev->gfx.gfx_ring[i].sched.ready)
341 				++num_rings;
342 		ib_start_alignment = 32;
343 		ib_size_alignment = 32;
344 		break;
345 	case AMDGPU_HW_IP_COMPUTE:
346 		type = AMD_IP_BLOCK_TYPE_GFX;
347 		for (i = 0; i < adev->gfx.num_compute_rings; i++)
348 			if (adev->gfx.compute_ring[i].sched.ready)
349 				++num_rings;
350 		ib_start_alignment = 32;
351 		ib_size_alignment = 32;
352 		break;
353 	case AMDGPU_HW_IP_DMA:
354 		type = AMD_IP_BLOCK_TYPE_SDMA;
355 		for (i = 0; i < adev->sdma.num_instances; i++)
356 			if (adev->sdma.instance[i].ring.sched.ready)
357 				++num_rings;
358 		ib_start_alignment = 256;
359 		ib_size_alignment = 4;
360 		break;
361 	case AMDGPU_HW_IP_UVD:
362 		type = AMD_IP_BLOCK_TYPE_UVD;
363 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
364 			if (adev->uvd.harvest_config & (1 << i))
365 				continue;
366 
367 			if (adev->uvd.inst[i].ring.sched.ready)
368 				++num_rings;
369 		}
370 		ib_start_alignment = 64;
371 		ib_size_alignment = 64;
372 		break;
373 	case AMDGPU_HW_IP_VCE:
374 		type = AMD_IP_BLOCK_TYPE_VCE;
375 		for (i = 0; i < adev->vce.num_rings; i++)
376 			if (adev->vce.ring[i].sched.ready)
377 				++num_rings;
378 		ib_start_alignment = 4;
379 		ib_size_alignment = 1;
380 		break;
381 	case AMDGPU_HW_IP_UVD_ENC:
382 		type = AMD_IP_BLOCK_TYPE_UVD;
383 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
384 			if (adev->uvd.harvest_config & (1 << i))
385 				continue;
386 
387 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
388 				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
389 					++num_rings;
390 		}
391 		ib_start_alignment = 64;
392 		ib_size_alignment = 64;
393 		break;
394 	case AMDGPU_HW_IP_VCN_DEC:
395 		type = AMD_IP_BLOCK_TYPE_VCN;
396 		if (adev->vcn.ring_dec.sched.ready)
397 			++num_rings;
398 		ib_start_alignment = 16;
399 		ib_size_alignment = 16;
400 		break;
401 	case AMDGPU_HW_IP_VCN_ENC:
402 		type = AMD_IP_BLOCK_TYPE_VCN;
403 		for (i = 0; i < adev->vcn.num_enc_rings; i++)
404 			if (adev->vcn.ring_enc[i].sched.ready)
405 				++num_rings;
406 		ib_start_alignment = 64;
407 		ib_size_alignment = 1;
408 		break;
409 	case AMDGPU_HW_IP_VCN_JPEG:
410 		type = AMD_IP_BLOCK_TYPE_VCN;
411 		if (adev->vcn.ring_jpeg.sched.ready)
412 			++num_rings;
413 		ib_start_alignment = 16;
414 		ib_size_alignment = 16;
415 		break;
416 	default:
417 		return -EINVAL;
418 	}
419 
420 	for (i = 0; i < adev->num_ip_blocks; i++)
421 		if (adev->ip_blocks[i].version->type == type &&
422 		    adev->ip_blocks[i].status.valid)
423 			break;
424 
425 	if (i == adev->num_ip_blocks)
426 		return 0;
427 
428 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
429 			num_rings);
430 
431 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
432 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
433 	result->capabilities_flags = 0;
434 	result->available_rings = (1 << num_rings) - 1;
435 	result->ib_start_alignment = ib_start_alignment;
436 	result->ib_size_alignment = ib_size_alignment;
437 	return 0;
438 }
439 
440 /*
441  * Userspace get information ioctl
442  */
443 /**
444  * amdgpu_info_ioctl - answer a device specific request.
445  *
446  * @adev: amdgpu device pointer
447  * @data: request object
448  * @filp: drm filp
449  *
450  * This function is used to pass device specific parameters to the userspace
451  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
452  * etc. (all asics).
453  * Returns 0 on success, -EINVAL on failure.
454  */
455 static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
456 {
457 	struct amdgpu_device *adev = dev->dev_private;
458 	struct drm_amdgpu_info *info = data;
459 	struct amdgpu_mode_info *minfo = &adev->mode_info;
460 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
461 	uint32_t size = info->return_size;
462 	struct drm_crtc *crtc;
463 	uint32_t ui32 = 0;
464 	uint64_t ui64 = 0;
465 	int i, found;
466 	int ui32_size = sizeof(ui32);
467 
468 	if (!info->return_size || !info->return_pointer)
469 		return -EINVAL;
470 
471 	switch (info->query) {
472 	case AMDGPU_INFO_ACCEL_WORKING:
473 		ui32 = adev->accel_working;
474 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
475 	case AMDGPU_INFO_CRTC_FROM_ID:
476 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
477 			crtc = (struct drm_crtc *)minfo->crtcs[i];
478 			if (crtc && crtc->base.id == info->mode_crtc.id) {
479 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
480 				ui32 = amdgpu_crtc->crtc_id;
481 				found = 1;
482 				break;
483 			}
484 		}
485 		if (!found) {
486 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
487 			return -EINVAL;
488 		}
489 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
490 	case AMDGPU_INFO_HW_IP_INFO: {
491 		struct drm_amdgpu_info_hw_ip ip = {};
492 		int ret;
493 
494 		ret = amdgpu_hw_ip_info(adev, info, &ip);
495 		if (ret)
496 			return ret;
497 
498 		ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
499 		return ret ? -EFAULT : 0;
500 	}
501 	case AMDGPU_INFO_HW_IP_COUNT: {
502 		enum amd_ip_block_type type;
503 		uint32_t count = 0;
504 
505 		switch (info->query_hw_ip.type) {
506 		case AMDGPU_HW_IP_GFX:
507 			type = AMD_IP_BLOCK_TYPE_GFX;
508 			break;
509 		case AMDGPU_HW_IP_COMPUTE:
510 			type = AMD_IP_BLOCK_TYPE_GFX;
511 			break;
512 		case AMDGPU_HW_IP_DMA:
513 			type = AMD_IP_BLOCK_TYPE_SDMA;
514 			break;
515 		case AMDGPU_HW_IP_UVD:
516 			type = AMD_IP_BLOCK_TYPE_UVD;
517 			break;
518 		case AMDGPU_HW_IP_VCE:
519 			type = AMD_IP_BLOCK_TYPE_VCE;
520 			break;
521 		case AMDGPU_HW_IP_UVD_ENC:
522 			type = AMD_IP_BLOCK_TYPE_UVD;
523 			break;
524 		case AMDGPU_HW_IP_VCN_DEC:
525 		case AMDGPU_HW_IP_VCN_ENC:
526 		case AMDGPU_HW_IP_VCN_JPEG:
527 			type = AMD_IP_BLOCK_TYPE_VCN;
528 			break;
529 		default:
530 			return -EINVAL;
531 		}
532 
533 		for (i = 0; i < adev->num_ip_blocks; i++)
534 			if (adev->ip_blocks[i].version->type == type &&
535 			    adev->ip_blocks[i].status.valid &&
536 			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
537 				count++;
538 
539 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
540 	}
541 	case AMDGPU_INFO_TIMESTAMP:
542 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
543 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
544 	case AMDGPU_INFO_FW_VERSION: {
545 		struct drm_amdgpu_info_firmware fw_info;
546 		int ret;
547 
548 		/* We only support one instance of each IP block right now. */
549 		if (info->query_fw.ip_instance != 0)
550 			return -EINVAL;
551 
552 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
553 		if (ret)
554 			return ret;
555 
556 		return copy_to_user(out, &fw_info,
557 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
558 	}
559 	case AMDGPU_INFO_NUM_BYTES_MOVED:
560 		ui64 = atomic64_read(&adev->num_bytes_moved);
561 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
562 	case AMDGPU_INFO_NUM_EVICTIONS:
563 		ui64 = atomic64_read(&adev->num_evictions);
564 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
565 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
566 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
567 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
568 	case AMDGPU_INFO_VRAM_USAGE:
569 		ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
570 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
571 	case AMDGPU_INFO_VIS_VRAM_USAGE:
572 		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
573 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
574 	case AMDGPU_INFO_GTT_USAGE:
575 		ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
576 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
577 	case AMDGPU_INFO_GDS_CONFIG: {
578 		struct drm_amdgpu_info_gds gds_info;
579 
580 		memset(&gds_info, 0, sizeof(gds_info));
581 		gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size;
582 		gds_info.compute_partition_size = adev->gds.mem.cs_partition_size;
583 		gds_info.gds_total_size = adev->gds.mem.total_size;
584 		gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size;
585 		gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size;
586 		gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size;
587 		gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size;
588 		return copy_to_user(out, &gds_info,
589 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
590 	}
591 	case AMDGPU_INFO_VRAM_GTT: {
592 		struct drm_amdgpu_info_vram_gtt vram_gtt;
593 
594 		vram_gtt.vram_size = adev->gmc.real_vram_size -
595 			atomic64_read(&adev->vram_pin_size);
596 		vram_gtt.vram_cpu_accessible_size = adev->gmc.visible_vram_size -
597 			atomic64_read(&adev->visible_pin_size);
598 		vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size;
599 		vram_gtt.gtt_size *= PAGE_SIZE;
600 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
601 		return copy_to_user(out, &vram_gtt,
602 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
603 	}
604 	case AMDGPU_INFO_MEMORY: {
605 		struct drm_amdgpu_memory_info mem;
606 
607 		memset(&mem, 0, sizeof(mem));
608 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
609 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
610 			atomic64_read(&adev->vram_pin_size);
611 		mem.vram.heap_usage =
612 			amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
613 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
614 
615 		mem.cpu_accessible_vram.total_heap_size =
616 			adev->gmc.visible_vram_size;
617 		mem.cpu_accessible_vram.usable_heap_size = adev->gmc.visible_vram_size -
618 			atomic64_read(&adev->visible_pin_size);
619 		mem.cpu_accessible_vram.heap_usage =
620 			amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
621 		mem.cpu_accessible_vram.max_allocation =
622 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
623 
624 		mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size;
625 		mem.gtt.total_heap_size *= PAGE_SIZE;
626 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
627 			atomic64_read(&adev->gart_pin_size);
628 		mem.gtt.heap_usage =
629 			amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
630 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
631 
632 		return copy_to_user(out, &mem,
633 				    min((size_t)size, sizeof(mem)))
634 				    ? -EFAULT : 0;
635 	}
636 	case AMDGPU_INFO_READ_MMR_REG: {
637 		unsigned n, alloc_size;
638 		uint32_t *regs;
639 		unsigned se_num = (info->read_mmr_reg.instance >>
640 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
641 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
642 		unsigned sh_num = (info->read_mmr_reg.instance >>
643 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
644 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
645 
646 		/* set full masks if the userspace set all bits
647 		 * in the bitfields */
648 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
649 			se_num = 0xffffffff;
650 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
651 			sh_num = 0xffffffff;
652 
653 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
654 		if (!regs)
655 			return -ENOMEM;
656 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
657 
658 		for (i = 0; i < info->read_mmr_reg.count; i++)
659 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
660 						      info->read_mmr_reg.dword_offset + i,
661 						      &regs[i])) {
662 				DRM_DEBUG_KMS("unallowed offset %#x\n",
663 					      info->read_mmr_reg.dword_offset + i);
664 				kfree(regs);
665 				return -EFAULT;
666 			}
667 		n = copy_to_user(out, regs, min(size, alloc_size));
668 		kfree(regs);
669 		return n ? -EFAULT : 0;
670 	}
671 	case AMDGPU_INFO_DEV_INFO: {
672 		struct drm_amdgpu_info_device dev_info = {};
673 		uint64_t vm_size;
674 
675 		dev_info.device_id = dev->pdev->device;
676 		dev_info.chip_rev = adev->rev_id;
677 		dev_info.external_rev = adev->external_rev_id;
678 		dev_info.pci_rev = dev->pdev->revision;
679 		dev_info.family = adev->family;
680 		dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
681 		dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
682 		/* return all clocks in KHz */
683 		dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
684 		if (adev->pm.dpm_enabled) {
685 			dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
686 			dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
687 		} else {
688 			dev_info.max_engine_clock = adev->clock.default_sclk * 10;
689 			dev_info.max_memory_clock = adev->clock.default_mclk * 10;
690 		}
691 		dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
692 		dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
693 			adev->gfx.config.max_shader_engines;
694 		dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
695 		dev_info._pad = 0;
696 		dev_info.ids_flags = 0;
697 		if (adev->flags & AMD_IS_APU)
698 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
699 		if (amdgpu_sriov_vf(adev))
700 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
701 
702 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
703 		vm_size -= AMDGPU_VA_RESERVED_SIZE;
704 
705 		/* Older VCE FW versions are buggy and can handle only 40bits */
706 		if (adev->vce.fw_version &&
707 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
708 			vm_size = min(vm_size, 1ULL << 40);
709 
710 		dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
711 		dev_info.virtual_address_max =
712 			min(vm_size, AMDGPU_GMC_HOLE_START);
713 
714 		if (vm_size > AMDGPU_GMC_HOLE_START) {
715 			dev_info.high_va_offset = AMDGPU_GMC_HOLE_END;
716 			dev_info.high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
717 		}
718 		dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
719 		dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
720 		dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
721 		dev_info.cu_active_number = adev->gfx.cu_info.number;
722 		dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
723 		dev_info.ce_ram_size = adev->gfx.ce_ram_size;
724 		memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
725 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
726 		memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
727 		       sizeof(adev->gfx.cu_info.bitmap));
728 		dev_info.vram_type = adev->gmc.vram_type;
729 		dev_info.vram_bit_width = adev->gmc.vram_width;
730 		dev_info.vce_harvest_config = adev->vce.harvest_config;
731 		dev_info.gc_double_offchip_lds_buf =
732 			adev->gfx.config.double_offchip_lds_buf;
733 
734 		if (amdgpu_ngg) {
735 			dev_info.prim_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PRIM].gpu_addr;
736 			dev_info.prim_buf_size = adev->gfx.ngg.buf[NGG_PRIM].size;
737 			dev_info.pos_buf_gpu_addr = adev->gfx.ngg.buf[NGG_POS].gpu_addr;
738 			dev_info.pos_buf_size = adev->gfx.ngg.buf[NGG_POS].size;
739 			dev_info.cntl_sb_buf_gpu_addr = adev->gfx.ngg.buf[NGG_CNTL].gpu_addr;
740 			dev_info.cntl_sb_buf_size = adev->gfx.ngg.buf[NGG_CNTL].size;
741 			dev_info.param_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PARAM].gpu_addr;
742 			dev_info.param_buf_size = adev->gfx.ngg.buf[NGG_PARAM].size;
743 		}
744 		dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
745 		dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
746 		dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
747 		dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
748 		dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
749 		dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
750 		dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
751 
752 		return copy_to_user(out, &dev_info,
753 				    min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
754 	}
755 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
756 		unsigned i;
757 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
758 		struct amd_vce_state *vce_state;
759 
760 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
761 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
762 			if (vce_state) {
763 				vce_clk_table.entries[i].sclk = vce_state->sclk;
764 				vce_clk_table.entries[i].mclk = vce_state->mclk;
765 				vce_clk_table.entries[i].eclk = vce_state->evclk;
766 				vce_clk_table.num_valid_entries++;
767 			}
768 		}
769 
770 		return copy_to_user(out, &vce_clk_table,
771 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
772 	}
773 	case AMDGPU_INFO_VBIOS: {
774 		uint32_t bios_size = adev->bios_size;
775 
776 		switch (info->vbios_info.type) {
777 		case AMDGPU_INFO_VBIOS_SIZE:
778 			return copy_to_user(out, &bios_size,
779 					min((size_t)size, sizeof(bios_size)))
780 					? -EFAULT : 0;
781 		case AMDGPU_INFO_VBIOS_IMAGE: {
782 			uint8_t *bios;
783 			uint32_t bios_offset = info->vbios_info.offset;
784 
785 			if (bios_offset >= bios_size)
786 				return -EINVAL;
787 
788 			bios = adev->bios + bios_offset;
789 			return copy_to_user(out, bios,
790 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
791 					? -EFAULT : 0;
792 		}
793 		default:
794 			DRM_DEBUG_KMS("Invalid request %d\n",
795 					info->vbios_info.type);
796 			return -EINVAL;
797 		}
798 	}
799 	case AMDGPU_INFO_NUM_HANDLES: {
800 		struct drm_amdgpu_info_num_handles handle;
801 
802 		switch (info->query_hw_ip.type) {
803 		case AMDGPU_HW_IP_UVD:
804 			/* Starting Polaris, we support unlimited UVD handles */
805 			if (adev->asic_type < CHIP_POLARIS10) {
806 				handle.uvd_max_handles = adev->uvd.max_handles;
807 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
808 
809 				return copy_to_user(out, &handle,
810 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
811 			} else {
812 				return -ENODATA;
813 			}
814 
815 			break;
816 		default:
817 			return -EINVAL;
818 		}
819 	}
820 	case AMDGPU_INFO_SENSOR: {
821 		if (!adev->pm.dpm_enabled)
822 			return -ENOENT;
823 
824 		switch (info->sensor_info.type) {
825 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
826 			/* get sclk in Mhz */
827 			if (amdgpu_dpm_read_sensor(adev,
828 						   AMDGPU_PP_SENSOR_GFX_SCLK,
829 						   (void *)&ui32, &ui32_size)) {
830 				return -EINVAL;
831 			}
832 			ui32 /= 100;
833 			break;
834 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
835 			/* get mclk in Mhz */
836 			if (amdgpu_dpm_read_sensor(adev,
837 						   AMDGPU_PP_SENSOR_GFX_MCLK,
838 						   (void *)&ui32, &ui32_size)) {
839 				return -EINVAL;
840 			}
841 			ui32 /= 100;
842 			break;
843 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
844 			/* get temperature in millidegrees C */
845 			if (amdgpu_dpm_read_sensor(adev,
846 						   AMDGPU_PP_SENSOR_GPU_TEMP,
847 						   (void *)&ui32, &ui32_size)) {
848 				return -EINVAL;
849 			}
850 			break;
851 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
852 			/* get GPU load */
853 			if (amdgpu_dpm_read_sensor(adev,
854 						   AMDGPU_PP_SENSOR_GPU_LOAD,
855 						   (void *)&ui32, &ui32_size)) {
856 				return -EINVAL;
857 			}
858 			break;
859 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
860 			/* get average GPU power */
861 			if (amdgpu_dpm_read_sensor(adev,
862 						   AMDGPU_PP_SENSOR_GPU_POWER,
863 						   (void *)&ui32, &ui32_size)) {
864 				return -EINVAL;
865 			}
866 			ui32 >>= 8;
867 			break;
868 		case AMDGPU_INFO_SENSOR_VDDNB:
869 			/* get VDDNB in millivolts */
870 			if (amdgpu_dpm_read_sensor(adev,
871 						   AMDGPU_PP_SENSOR_VDDNB,
872 						   (void *)&ui32, &ui32_size)) {
873 				return -EINVAL;
874 			}
875 			break;
876 		case AMDGPU_INFO_SENSOR_VDDGFX:
877 			/* get VDDGFX in millivolts */
878 			if (amdgpu_dpm_read_sensor(adev,
879 						   AMDGPU_PP_SENSOR_VDDGFX,
880 						   (void *)&ui32, &ui32_size)) {
881 				return -EINVAL;
882 			}
883 			break;
884 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
885 			/* get stable pstate sclk in Mhz */
886 			if (amdgpu_dpm_read_sensor(adev,
887 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
888 						   (void *)&ui32, &ui32_size)) {
889 				return -EINVAL;
890 			}
891 			ui32 /= 100;
892 			break;
893 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
894 			/* get stable pstate mclk in Mhz */
895 			if (amdgpu_dpm_read_sensor(adev,
896 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
897 						   (void *)&ui32, &ui32_size)) {
898 				return -EINVAL;
899 			}
900 			ui32 /= 100;
901 			break;
902 		default:
903 			DRM_DEBUG_KMS("Invalid request %d\n",
904 				      info->sensor_info.type);
905 			return -EINVAL;
906 		}
907 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
908 	}
909 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
910 		ui32 = atomic_read(&adev->vram_lost_counter);
911 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
912 	default:
913 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
914 		return -EINVAL;
915 	}
916 	return 0;
917 }
918 
919 
920 /*
921  * Outdated mess for old drm with Xorg being in charge (void function now).
922  */
923 /**
924  * amdgpu_driver_lastclose_kms - drm callback for last close
925  *
926  * @dev: drm dev pointer
927  *
928  * Switch vga_switcheroo state after last close (all asics).
929  */
930 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
931 {
932 	drm_fb_helper_lastclose(dev);
933 	vga_switcheroo_process_delayed_switch();
934 }
935 
936 /**
937  * amdgpu_driver_open_kms - drm callback for open
938  *
939  * @dev: drm dev pointer
940  * @file_priv: drm file
941  *
942  * On device open, init vm on cayman+ (all asics).
943  * Returns 0 on success, error on failure.
944  */
945 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
946 {
947 	struct amdgpu_device *adev = dev->dev_private;
948 	struct amdgpu_fpriv *fpriv;
949 	int r, pasid;
950 
951 	/* Ensure IB tests are run on ring */
952 	flush_delayed_work(&adev->late_init_work);
953 
954 	file_priv->driver_priv = NULL;
955 
956 	r = pm_runtime_get_sync(dev->dev);
957 	if (r < 0)
958 		return r;
959 
960 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
961 	if (unlikely(!fpriv)) {
962 		r = -ENOMEM;
963 		goto out_suspend;
964 	}
965 
966 	pasid = amdgpu_pasid_alloc(16);
967 	if (pasid < 0) {
968 		dev_warn(adev->dev, "No more PASIDs available!");
969 		pasid = 0;
970 	}
971 	r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid);
972 	if (r)
973 		goto error_pasid;
974 
975 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
976 	if (!fpriv->prt_va) {
977 		r = -ENOMEM;
978 		goto error_vm;
979 	}
980 
981 	if (amdgpu_sriov_vf(adev)) {
982 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
983 
984 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
985 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
986 		if (r)
987 			goto error_vm;
988 	}
989 
990 	mutex_init(&fpriv->bo_list_lock);
991 	idr_init(&fpriv->bo_list_handles);
992 
993 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
994 
995 	file_priv->driver_priv = fpriv;
996 	goto out_suspend;
997 
998 error_vm:
999 	amdgpu_vm_fini(adev, &fpriv->vm);
1000 
1001 error_pasid:
1002 	if (pasid)
1003 		amdgpu_pasid_free(pasid);
1004 
1005 	kfree(fpriv);
1006 
1007 out_suspend:
1008 	pm_runtime_mark_last_busy(dev->dev);
1009 	pm_runtime_put_autosuspend(dev->dev);
1010 
1011 	return r;
1012 }
1013 
1014 /**
1015  * amdgpu_driver_postclose_kms - drm callback for post close
1016  *
1017  * @dev: drm dev pointer
1018  * @file_priv: drm file
1019  *
1020  * On device post close, tear down vm on cayman+ (all asics).
1021  */
1022 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1023 				 struct drm_file *file_priv)
1024 {
1025 	struct amdgpu_device *adev = dev->dev_private;
1026 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1027 	struct amdgpu_bo_list *list;
1028 	struct amdgpu_bo *pd;
1029 	unsigned int pasid;
1030 	int handle;
1031 
1032 	if (!fpriv)
1033 		return;
1034 
1035 	pm_runtime_get_sync(dev->dev);
1036 
1037 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1038 		amdgpu_uvd_free_handles(adev, file_priv);
1039 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1040 		amdgpu_vce_free_handles(adev, file_priv);
1041 
1042 	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1043 
1044 	if (amdgpu_sriov_vf(adev)) {
1045 		/* TODO: how to handle reserve failure */
1046 		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1047 		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1048 		fpriv->csa_va = NULL;
1049 		amdgpu_bo_unreserve(adev->virt.csa_obj);
1050 	}
1051 
1052 	pasid = fpriv->vm.pasid;
1053 	pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
1054 
1055 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1056 	amdgpu_vm_fini(adev, &fpriv->vm);
1057 
1058 	if (pasid)
1059 		amdgpu_pasid_free_delayed(pd->tbo.resv, pasid);
1060 	amdgpu_bo_unref(&pd);
1061 
1062 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1063 		amdgpu_bo_list_put(list);
1064 
1065 	idr_destroy(&fpriv->bo_list_handles);
1066 	mutex_destroy(&fpriv->bo_list_lock);
1067 
1068 	kfree(fpriv);
1069 	file_priv->driver_priv = NULL;
1070 
1071 	pm_runtime_mark_last_busy(dev->dev);
1072 	pm_runtime_put_autosuspend(dev->dev);
1073 }
1074 
1075 /*
1076  * VBlank related functions.
1077  */
1078 /**
1079  * amdgpu_get_vblank_counter_kms - get frame count
1080  *
1081  * @dev: drm dev pointer
1082  * @pipe: crtc to get the frame count from
1083  *
1084  * Gets the frame count on the requested crtc (all asics).
1085  * Returns frame count on success, -EINVAL on failure.
1086  */
1087 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
1088 {
1089 	struct amdgpu_device *adev = dev->dev_private;
1090 	int vpos, hpos, stat;
1091 	u32 count;
1092 
1093 	if (pipe >= adev->mode_info.num_crtc) {
1094 		DRM_ERROR("Invalid crtc %u\n", pipe);
1095 		return -EINVAL;
1096 	}
1097 
1098 	/* The hw increments its frame counter at start of vsync, not at start
1099 	 * of vblank, as is required by DRM core vblank counter handling.
1100 	 * Cook the hw count here to make it appear to the caller as if it
1101 	 * incremented at start of vblank. We measure distance to start of
1102 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1103 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1104 	 * result by 1 to give the proper appearance to caller.
1105 	 */
1106 	if (adev->mode_info.crtcs[pipe]) {
1107 		/* Repeat readout if needed to provide stable result if
1108 		 * we cross start of vsync during the queries.
1109 		 */
1110 		do {
1111 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1112 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1113 			 * vpos as distance to start of vblank, instead of
1114 			 * regular vertical scanout pos.
1115 			 */
1116 			stat = amdgpu_display_get_crtc_scanoutpos(
1117 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1118 				&vpos, &hpos, NULL, NULL,
1119 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1120 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1121 
1122 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1123 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1124 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1125 		} else {
1126 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1127 				      pipe, vpos);
1128 
1129 			/* Bump counter if we are at >= leading edge of vblank,
1130 			 * but before vsync where vpos would turn negative and
1131 			 * the hw counter really increments.
1132 			 */
1133 			if (vpos >= 0)
1134 				count++;
1135 		}
1136 	} else {
1137 		/* Fallback to use value as is. */
1138 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1139 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1140 	}
1141 
1142 	return count;
1143 }
1144 
1145 /**
1146  * amdgpu_enable_vblank_kms - enable vblank interrupt
1147  *
1148  * @dev: drm dev pointer
1149  * @pipe: crtc to enable vblank interrupt for
1150  *
1151  * Enable the interrupt on the requested crtc (all asics).
1152  * Returns 0 on success, -EINVAL on failure.
1153  */
1154 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1155 {
1156 	struct amdgpu_device *adev = dev->dev_private;
1157 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1158 
1159 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1160 }
1161 
1162 /**
1163  * amdgpu_disable_vblank_kms - disable vblank interrupt
1164  *
1165  * @dev: drm dev pointer
1166  * @pipe: crtc to disable vblank interrupt for
1167  *
1168  * Disable the interrupt on the requested crtc (all asics).
1169  */
1170 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1171 {
1172 	struct amdgpu_device *adev = dev->dev_private;
1173 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1174 
1175 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1176 }
1177 
1178 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
1179 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1180 	DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1181 	DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1182 	DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER),
1183 	DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1184 	DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1185 	/* KMS */
1186 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1187 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1188 	DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1189 	DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1190 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1191 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1192 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1193 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1194 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1195 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW)
1196 };
1197 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1198 
1199 /*
1200  * Debugfs info
1201  */
1202 #if defined(CONFIG_DEBUG_FS)
1203 
1204 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
1205 {
1206 	struct drm_info_node *node = (struct drm_info_node *) m->private;
1207 	struct drm_device *dev = node->minor->dev;
1208 	struct amdgpu_device *adev = dev->dev_private;
1209 	struct drm_amdgpu_info_firmware fw_info;
1210 	struct drm_amdgpu_query_fw query_fw;
1211 	struct atom_context *ctx = adev->mode_info.atom_context;
1212 	int ret, i;
1213 
1214 	/* VCE */
1215 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1216 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1217 	if (ret)
1218 		return ret;
1219 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1220 		   fw_info.feature, fw_info.ver);
1221 
1222 	/* UVD */
1223 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1224 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1225 	if (ret)
1226 		return ret;
1227 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1228 		   fw_info.feature, fw_info.ver);
1229 
1230 	/* GMC */
1231 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1232 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1233 	if (ret)
1234 		return ret;
1235 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1236 		   fw_info.feature, fw_info.ver);
1237 
1238 	/* ME */
1239 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1240 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1241 	if (ret)
1242 		return ret;
1243 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1244 		   fw_info.feature, fw_info.ver);
1245 
1246 	/* PFP */
1247 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1248 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1249 	if (ret)
1250 		return ret;
1251 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1252 		   fw_info.feature, fw_info.ver);
1253 
1254 	/* CE */
1255 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1256 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1257 	if (ret)
1258 		return ret;
1259 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1260 		   fw_info.feature, fw_info.ver);
1261 
1262 	/* RLC */
1263 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1264 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1265 	if (ret)
1266 		return ret;
1267 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1268 		   fw_info.feature, fw_info.ver);
1269 
1270 	/* RLC SAVE RESTORE LIST CNTL */
1271 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1272 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1273 	if (ret)
1274 		return ret;
1275 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1276 		   fw_info.feature, fw_info.ver);
1277 
1278 	/* RLC SAVE RESTORE LIST GPM MEM */
1279 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1280 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1281 	if (ret)
1282 		return ret;
1283 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1284 		   fw_info.feature, fw_info.ver);
1285 
1286 	/* RLC SAVE RESTORE LIST SRM MEM */
1287 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1288 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1289 	if (ret)
1290 		return ret;
1291 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1292 		   fw_info.feature, fw_info.ver);
1293 
1294 	/* MEC */
1295 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1296 	query_fw.index = 0;
1297 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1298 	if (ret)
1299 		return ret;
1300 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1301 		   fw_info.feature, fw_info.ver);
1302 
1303 	/* MEC2 */
1304 	if (adev->asic_type == CHIP_KAVERI ||
1305 	    (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
1306 		query_fw.index = 1;
1307 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1308 		if (ret)
1309 			return ret;
1310 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1311 			   fw_info.feature, fw_info.ver);
1312 	}
1313 
1314 	/* PSP SOS */
1315 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1316 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1317 	if (ret)
1318 		return ret;
1319 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1320 		   fw_info.feature, fw_info.ver);
1321 
1322 
1323 	/* PSP ASD */
1324 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1325 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1326 	if (ret)
1327 		return ret;
1328 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1329 		   fw_info.feature, fw_info.ver);
1330 
1331 	/* SMC */
1332 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1333 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1334 	if (ret)
1335 		return ret;
1336 	seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1337 		   fw_info.feature, fw_info.ver);
1338 
1339 	/* SDMA */
1340 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1341 	for (i = 0; i < adev->sdma.num_instances; i++) {
1342 		query_fw.index = i;
1343 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1344 		if (ret)
1345 			return ret;
1346 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1347 			   i, fw_info.feature, fw_info.ver);
1348 	}
1349 
1350 	/* VCN */
1351 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1352 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1353 	if (ret)
1354 		return ret;
1355 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1356 		   fw_info.feature, fw_info.ver);
1357 
1358 	/* DMCU */
1359 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1360 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1361 	if (ret)
1362 		return ret;
1363 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1364 		   fw_info.feature, fw_info.ver);
1365 
1366 
1367 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1368 
1369 	return 0;
1370 }
1371 
1372 static const struct drm_info_list amdgpu_firmware_info_list[] = {
1373 	{"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1374 };
1375 #endif
1376 
1377 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1378 {
1379 #if defined(CONFIG_DEBUG_FS)
1380 	return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1381 					ARRAY_SIZE(amdgpu_firmware_info_list));
1382 #else
1383 	return 0;
1384 #endif
1385 }
1386