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_uvd.h"
32 #include "amdgpu_vce.h"
33 
34 #include <linux/vga_switcheroo.h>
35 #include <linux/slab.h>
36 #include <linux/pm_runtime.h>
37 #include "amdgpu_amdkfd.h"
38 
39 /**
40  * amdgpu_driver_unload_kms - Main unload function for KMS.
41  *
42  * @dev: drm dev pointer
43  *
44  * This is the main unload function for KMS (all asics).
45  * Returns 0 on success.
46  */
47 void amdgpu_driver_unload_kms(struct drm_device *dev)
48 {
49 	struct amdgpu_device *adev = dev->dev_private;
50 
51 	if (adev == NULL)
52 		return;
53 
54 	if (adev->rmmio == NULL)
55 		goto done_free;
56 
57 	if (amdgpu_sriov_vf(adev))
58 		amdgpu_virt_request_full_gpu(adev, false);
59 
60 	if (amdgpu_device_is_px(dev)) {
61 		pm_runtime_get_sync(dev->dev);
62 		pm_runtime_forbid(dev->dev);
63 	}
64 
65 	amdgpu_amdkfd_device_fini(adev);
66 
67 	amdgpu_acpi_fini(adev);
68 
69 	amdgpu_device_fini(adev);
70 
71 done_free:
72 	kfree(adev);
73 	dev->dev_private = NULL;
74 }
75 
76 /**
77  * amdgpu_driver_load_kms - Main load function for KMS.
78  *
79  * @dev: drm dev pointer
80  * @flags: device flags
81  *
82  * This is the main load function for KMS (all asics).
83  * Returns 0 on success, error on failure.
84  */
85 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
86 {
87 	struct amdgpu_device *adev;
88 	int r, acpi_status;
89 
90 #ifdef CONFIG_DRM_AMDGPU_SI
91 	if (!amdgpu_si_support) {
92 		switch (flags & AMD_ASIC_MASK) {
93 		case CHIP_TAHITI:
94 		case CHIP_PITCAIRN:
95 		case CHIP_VERDE:
96 		case CHIP_OLAND:
97 		case CHIP_HAINAN:
98 			dev_info(dev->dev,
99 				 "SI support provided by radeon.\n");
100 			dev_info(dev->dev,
101 				 "Use radeon.si_support=0 amdgpu.si_support=1 to override.\n"
102 				);
103 			return -ENODEV;
104 		}
105 	}
106 #endif
107 #ifdef CONFIG_DRM_AMDGPU_CIK
108 	if (!amdgpu_cik_support) {
109 		switch (flags & AMD_ASIC_MASK) {
110 		case CHIP_KAVERI:
111 		case CHIP_BONAIRE:
112 		case CHIP_HAWAII:
113 		case CHIP_KABINI:
114 		case CHIP_MULLINS:
115 			dev_info(dev->dev,
116 				 "CIK support provided by radeon.\n");
117 			dev_info(dev->dev,
118 				 "Use radeon.cik_support=0 amdgpu.cik_support=1 to override.\n"
119 				);
120 			return -ENODEV;
121 		}
122 	}
123 #endif
124 
125 	adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
126 	if (adev == NULL) {
127 		return -ENOMEM;
128 	}
129 	dev->dev_private = (void *)adev;
130 
131 	if ((amdgpu_runtime_pm != 0) &&
132 	    amdgpu_has_atpx() &&
133 	    (amdgpu_is_atpx_hybrid() ||
134 	     amdgpu_has_atpx_dgpu_power_cntl()) &&
135 	    ((flags & AMD_IS_APU) == 0) &&
136 	    !pci_is_thunderbolt_attached(dev->pdev))
137 		flags |= AMD_IS_PX;
138 
139 	/* amdgpu_device_init should report only fatal error
140 	 * like memory allocation failure or iomapping failure,
141 	 * or memory manager initialization failure, it must
142 	 * properly initialize the GPU MC controller and permit
143 	 * VRAM allocation
144 	 */
145 	r = amdgpu_device_init(adev, dev, dev->pdev, flags);
146 	if (r) {
147 		dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
148 		goto out;
149 	}
150 
151 	/* Call ACPI methods: require modeset init
152 	 * but failure is not fatal
153 	 */
154 	if (!r) {
155 		acpi_status = amdgpu_acpi_init(adev);
156 		if (acpi_status)
157 		dev_dbg(&dev->pdev->dev,
158 				"Error during ACPI methods call\n");
159 	}
160 
161 	amdgpu_amdkfd_load_interface(adev);
162 	amdgpu_amdkfd_device_probe(adev);
163 	amdgpu_amdkfd_device_init(adev);
164 
165 	if (amdgpu_device_is_px(dev)) {
166 		pm_runtime_use_autosuspend(dev->dev);
167 		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
168 		pm_runtime_set_active(dev->dev);
169 		pm_runtime_allow(dev->dev);
170 		pm_runtime_mark_last_busy(dev->dev);
171 		pm_runtime_put_autosuspend(dev->dev);
172 	}
173 
174 	if (amdgpu_sriov_vf(adev))
175 		amdgpu_virt_release_full_gpu(adev, true);
176 
177 out:
178 	if (r) {
179 		/* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
180 		if (adev->rmmio && amdgpu_device_is_px(dev))
181 			pm_runtime_put_noidle(dev->dev);
182 		amdgpu_driver_unload_kms(dev);
183 	}
184 
185 	return r;
186 }
187 
188 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
189 				struct drm_amdgpu_query_fw *query_fw,
190 				struct amdgpu_device *adev)
191 {
192 	switch (query_fw->fw_type) {
193 	case AMDGPU_INFO_FW_VCE:
194 		fw_info->ver = adev->vce.fw_version;
195 		fw_info->feature = adev->vce.fb_version;
196 		break;
197 	case AMDGPU_INFO_FW_UVD:
198 		fw_info->ver = adev->uvd.fw_version;
199 		fw_info->feature = 0;
200 		break;
201 	case AMDGPU_INFO_FW_GMC:
202 		fw_info->ver = adev->mc.fw_version;
203 		fw_info->feature = 0;
204 		break;
205 	case AMDGPU_INFO_FW_GFX_ME:
206 		fw_info->ver = adev->gfx.me_fw_version;
207 		fw_info->feature = adev->gfx.me_feature_version;
208 		break;
209 	case AMDGPU_INFO_FW_GFX_PFP:
210 		fw_info->ver = adev->gfx.pfp_fw_version;
211 		fw_info->feature = adev->gfx.pfp_feature_version;
212 		break;
213 	case AMDGPU_INFO_FW_GFX_CE:
214 		fw_info->ver = adev->gfx.ce_fw_version;
215 		fw_info->feature = adev->gfx.ce_feature_version;
216 		break;
217 	case AMDGPU_INFO_FW_GFX_RLC:
218 		fw_info->ver = adev->gfx.rlc_fw_version;
219 		fw_info->feature = adev->gfx.rlc_feature_version;
220 		break;
221 	case AMDGPU_INFO_FW_GFX_MEC:
222 		if (query_fw->index == 0) {
223 			fw_info->ver = adev->gfx.mec_fw_version;
224 			fw_info->feature = adev->gfx.mec_feature_version;
225 		} else if (query_fw->index == 1) {
226 			fw_info->ver = adev->gfx.mec2_fw_version;
227 			fw_info->feature = adev->gfx.mec2_feature_version;
228 		} else
229 			return -EINVAL;
230 		break;
231 	case AMDGPU_INFO_FW_SMC:
232 		fw_info->ver = adev->pm.fw_version;
233 		fw_info->feature = 0;
234 		break;
235 	case AMDGPU_INFO_FW_SDMA:
236 		if (query_fw->index >= adev->sdma.num_instances)
237 			return -EINVAL;
238 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
239 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
240 		break;
241 	case AMDGPU_INFO_FW_SOS:
242 		fw_info->ver = adev->psp.sos_fw_version;
243 		fw_info->feature = adev->psp.sos_feature_version;
244 		break;
245 	case AMDGPU_INFO_FW_ASD:
246 		fw_info->ver = adev->psp.asd_fw_version;
247 		fw_info->feature = adev->psp.asd_feature_version;
248 		break;
249 	default:
250 		return -EINVAL;
251 	}
252 	return 0;
253 }
254 
255 /*
256  * Userspace get information ioctl
257  */
258 /**
259  * amdgpu_info_ioctl - answer a device specific request.
260  *
261  * @adev: amdgpu device pointer
262  * @data: request object
263  * @filp: drm filp
264  *
265  * This function is used to pass device specific parameters to the userspace
266  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
267  * etc. (all asics).
268  * Returns 0 on success, -EINVAL on failure.
269  */
270 static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
271 {
272 	struct amdgpu_device *adev = dev->dev_private;
273 	struct amdgpu_fpriv *fpriv = filp->driver_priv;
274 	struct drm_amdgpu_info *info = data;
275 	struct amdgpu_mode_info *minfo = &adev->mode_info;
276 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
277 	uint32_t size = info->return_size;
278 	struct drm_crtc *crtc;
279 	uint32_t ui32 = 0;
280 	uint64_t ui64 = 0;
281 	int i, found;
282 	int ui32_size = sizeof(ui32);
283 
284 	if (!info->return_size || !info->return_pointer)
285 		return -EINVAL;
286 	if (amdgpu_kms_vram_lost(adev, fpriv))
287 		return -ENODEV;
288 
289 	switch (info->query) {
290 	case AMDGPU_INFO_ACCEL_WORKING:
291 		ui32 = adev->accel_working;
292 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
293 	case AMDGPU_INFO_CRTC_FROM_ID:
294 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
295 			crtc = (struct drm_crtc *)minfo->crtcs[i];
296 			if (crtc && crtc->base.id == info->mode_crtc.id) {
297 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
298 				ui32 = amdgpu_crtc->crtc_id;
299 				found = 1;
300 				break;
301 			}
302 		}
303 		if (!found) {
304 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
305 			return -EINVAL;
306 		}
307 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
308 	case AMDGPU_INFO_HW_IP_INFO: {
309 		struct drm_amdgpu_info_hw_ip ip = {};
310 		enum amd_ip_block_type type;
311 		uint32_t ring_mask = 0;
312 		uint32_t ib_start_alignment = 0;
313 		uint32_t ib_size_alignment = 0;
314 
315 		if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
316 			return -EINVAL;
317 
318 		switch (info->query_hw_ip.type) {
319 		case AMDGPU_HW_IP_GFX:
320 			type = AMD_IP_BLOCK_TYPE_GFX;
321 			for (i = 0; i < adev->gfx.num_gfx_rings; i++)
322 				ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i);
323 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
324 			ib_size_alignment = 8;
325 			break;
326 		case AMDGPU_HW_IP_COMPUTE:
327 			type = AMD_IP_BLOCK_TYPE_GFX;
328 			for (i = 0; i < adev->gfx.num_compute_rings; i++)
329 				ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i);
330 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
331 			ib_size_alignment = 8;
332 			break;
333 		case AMDGPU_HW_IP_DMA:
334 			type = AMD_IP_BLOCK_TYPE_SDMA;
335 			for (i = 0; i < adev->sdma.num_instances; i++)
336 				ring_mask |= ((adev->sdma.instance[i].ring.ready ? 1 : 0) << i);
337 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
338 			ib_size_alignment = 1;
339 			break;
340 		case AMDGPU_HW_IP_UVD:
341 			type = AMD_IP_BLOCK_TYPE_UVD;
342 			ring_mask = adev->uvd.ring.ready ? 1 : 0;
343 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
344 			ib_size_alignment = 16;
345 			break;
346 		case AMDGPU_HW_IP_VCE:
347 			type = AMD_IP_BLOCK_TYPE_VCE;
348 			for (i = 0; i < adev->vce.num_rings; i++)
349 				ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
350 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
351 			ib_size_alignment = 1;
352 			break;
353 		case AMDGPU_HW_IP_UVD_ENC:
354 			type = AMD_IP_BLOCK_TYPE_UVD;
355 			for (i = 0; i < adev->uvd.num_enc_rings; i++)
356 				ring_mask |= ((adev->uvd.ring_enc[i].ready ? 1 : 0) << i);
357 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
358 			ib_size_alignment = 1;
359 			break;
360 		case AMDGPU_HW_IP_VCN_DEC:
361 			type = AMD_IP_BLOCK_TYPE_VCN;
362 			ring_mask = adev->vcn.ring_dec.ready ? 1 : 0;
363 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
364 			ib_size_alignment = 16;
365 			break;
366 		case AMDGPU_HW_IP_VCN_ENC:
367 			type = AMD_IP_BLOCK_TYPE_VCN;
368 			for (i = 0; i < adev->vcn.num_enc_rings; i++)
369 				ring_mask |= ((adev->vcn.ring_enc[i].ready ? 1 : 0) << i);
370 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
371 			ib_size_alignment = 1;
372 			break;
373 		default:
374 			return -EINVAL;
375 		}
376 
377 		for (i = 0; i < adev->num_ip_blocks; i++) {
378 			if (adev->ip_blocks[i].version->type == type &&
379 			    adev->ip_blocks[i].status.valid) {
380 				ip.hw_ip_version_major = adev->ip_blocks[i].version->major;
381 				ip.hw_ip_version_minor = adev->ip_blocks[i].version->minor;
382 				ip.capabilities_flags = 0;
383 				ip.available_rings = ring_mask;
384 				ip.ib_start_alignment = ib_start_alignment;
385 				ip.ib_size_alignment = ib_size_alignment;
386 				break;
387 			}
388 		}
389 		return copy_to_user(out, &ip,
390 				    min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
391 	}
392 	case AMDGPU_INFO_HW_IP_COUNT: {
393 		enum amd_ip_block_type type;
394 		uint32_t count = 0;
395 
396 		switch (info->query_hw_ip.type) {
397 		case AMDGPU_HW_IP_GFX:
398 			type = AMD_IP_BLOCK_TYPE_GFX;
399 			break;
400 		case AMDGPU_HW_IP_COMPUTE:
401 			type = AMD_IP_BLOCK_TYPE_GFX;
402 			break;
403 		case AMDGPU_HW_IP_DMA:
404 			type = AMD_IP_BLOCK_TYPE_SDMA;
405 			break;
406 		case AMDGPU_HW_IP_UVD:
407 			type = AMD_IP_BLOCK_TYPE_UVD;
408 			break;
409 		case AMDGPU_HW_IP_VCE:
410 			type = AMD_IP_BLOCK_TYPE_VCE;
411 			break;
412 		case AMDGPU_HW_IP_UVD_ENC:
413 			type = AMD_IP_BLOCK_TYPE_UVD;
414 			break;
415 		case AMDGPU_HW_IP_VCN_DEC:
416 		case AMDGPU_HW_IP_VCN_ENC:
417 			type = AMD_IP_BLOCK_TYPE_VCN;
418 			break;
419 		default:
420 			return -EINVAL;
421 		}
422 
423 		for (i = 0; i < adev->num_ip_blocks; i++)
424 			if (adev->ip_blocks[i].version->type == type &&
425 			    adev->ip_blocks[i].status.valid &&
426 			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
427 				count++;
428 
429 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
430 	}
431 	case AMDGPU_INFO_TIMESTAMP:
432 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
433 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
434 	case AMDGPU_INFO_FW_VERSION: {
435 		struct drm_amdgpu_info_firmware fw_info;
436 		int ret;
437 
438 		/* We only support one instance of each IP block right now. */
439 		if (info->query_fw.ip_instance != 0)
440 			return -EINVAL;
441 
442 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
443 		if (ret)
444 			return ret;
445 
446 		return copy_to_user(out, &fw_info,
447 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
448 	}
449 	case AMDGPU_INFO_NUM_BYTES_MOVED:
450 		ui64 = atomic64_read(&adev->num_bytes_moved);
451 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
452 	case AMDGPU_INFO_NUM_EVICTIONS:
453 		ui64 = atomic64_read(&adev->num_evictions);
454 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
455 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
456 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
457 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
458 	case AMDGPU_INFO_VRAM_USAGE:
459 		ui64 = atomic64_read(&adev->vram_usage);
460 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
461 	case AMDGPU_INFO_VIS_VRAM_USAGE:
462 		ui64 = atomic64_read(&adev->vram_vis_usage);
463 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
464 	case AMDGPU_INFO_GTT_USAGE:
465 		ui64 = atomic64_read(&adev->gtt_usage);
466 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
467 	case AMDGPU_INFO_GDS_CONFIG: {
468 		struct drm_amdgpu_info_gds gds_info;
469 
470 		memset(&gds_info, 0, sizeof(gds_info));
471 		gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
472 		gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
473 		gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
474 		gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
475 		gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
476 		gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
477 		gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
478 		return copy_to_user(out, &gds_info,
479 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
480 	}
481 	case AMDGPU_INFO_VRAM_GTT: {
482 		struct drm_amdgpu_info_vram_gtt vram_gtt;
483 
484 		vram_gtt.vram_size = adev->mc.real_vram_size;
485 		vram_gtt.vram_size -= adev->vram_pin_size;
486 		vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size;
487 		vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
488 		vram_gtt.gtt_size  = adev->mc.gtt_size;
489 		vram_gtt.gtt_size -= adev->gart_pin_size;
490 		return copy_to_user(out, &vram_gtt,
491 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
492 	}
493 	case AMDGPU_INFO_MEMORY: {
494 		struct drm_amdgpu_memory_info mem;
495 
496 		memset(&mem, 0, sizeof(mem));
497 		mem.vram.total_heap_size = adev->mc.real_vram_size;
498 		mem.vram.usable_heap_size =
499 			adev->mc.real_vram_size - adev->vram_pin_size;
500 		mem.vram.heap_usage = atomic64_read(&adev->vram_usage);
501 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
502 
503 		mem.cpu_accessible_vram.total_heap_size =
504 			adev->mc.visible_vram_size;
505 		mem.cpu_accessible_vram.usable_heap_size =
506 			adev->mc.visible_vram_size -
507 			(adev->vram_pin_size - adev->invisible_pin_size);
508 		mem.cpu_accessible_vram.heap_usage =
509 			atomic64_read(&adev->vram_vis_usage);
510 		mem.cpu_accessible_vram.max_allocation =
511 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
512 
513 		mem.gtt.total_heap_size = adev->mc.gtt_size;
514 		mem.gtt.usable_heap_size =
515 			adev->mc.gtt_size - adev->gart_pin_size;
516 		mem.gtt.heap_usage = atomic64_read(&adev->gtt_usage);
517 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
518 
519 		return copy_to_user(out, &mem,
520 				    min((size_t)size, sizeof(mem)))
521 				    ? -EFAULT : 0;
522 	}
523 	case AMDGPU_INFO_READ_MMR_REG: {
524 		unsigned n, alloc_size;
525 		uint32_t *regs;
526 		unsigned se_num = (info->read_mmr_reg.instance >>
527 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
528 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
529 		unsigned sh_num = (info->read_mmr_reg.instance >>
530 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
531 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
532 
533 		/* set full masks if the userspace set all bits
534 		 * in the bitfields */
535 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
536 			se_num = 0xffffffff;
537 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
538 			sh_num = 0xffffffff;
539 
540 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
541 		if (!regs)
542 			return -ENOMEM;
543 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
544 
545 		for (i = 0; i < info->read_mmr_reg.count; i++)
546 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
547 						      info->read_mmr_reg.dword_offset + i,
548 						      &regs[i])) {
549 				DRM_DEBUG_KMS("unallowed offset %#x\n",
550 					      info->read_mmr_reg.dword_offset + i);
551 				kfree(regs);
552 				return -EFAULT;
553 			}
554 		n = copy_to_user(out, regs, min(size, alloc_size));
555 		kfree(regs);
556 		return n ? -EFAULT : 0;
557 	}
558 	case AMDGPU_INFO_DEV_INFO: {
559 		struct drm_amdgpu_info_device dev_info = {};
560 
561 		dev_info.device_id = dev->pdev->device;
562 		dev_info.chip_rev = adev->rev_id;
563 		dev_info.external_rev = adev->external_rev_id;
564 		dev_info.pci_rev = dev->pdev->revision;
565 		dev_info.family = adev->family;
566 		dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
567 		dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
568 		/* return all clocks in KHz */
569 		dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
570 		if (adev->pm.dpm_enabled) {
571 			dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
572 			dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
573 		} else {
574 			dev_info.max_engine_clock = adev->pm.default_sclk * 10;
575 			dev_info.max_memory_clock = adev->pm.default_mclk * 10;
576 		}
577 		dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
578 		dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
579 			adev->gfx.config.max_shader_engines;
580 		dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
581 		dev_info._pad = 0;
582 		dev_info.ids_flags = 0;
583 		if (adev->flags & AMD_IS_APU)
584 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
585 		if (amdgpu_sriov_vf(adev))
586 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
587 		dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
588 		dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
589 		dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
590 		dev_info.pte_fragment_size = (1 << AMDGPU_LOG2_PAGES_PER_FRAG) *
591 					     AMDGPU_GPU_PAGE_SIZE;
592 		dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
593 
594 		dev_info.cu_active_number = adev->gfx.cu_info.number;
595 		dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
596 		dev_info.ce_ram_size = adev->gfx.ce_ram_size;
597 		memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
598 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
599 		memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
600 		       sizeof(adev->gfx.cu_info.bitmap));
601 		dev_info.vram_type = adev->mc.vram_type;
602 		dev_info.vram_bit_width = adev->mc.vram_width;
603 		dev_info.vce_harvest_config = adev->vce.harvest_config;
604 		dev_info.gc_double_offchip_lds_buf =
605 			adev->gfx.config.double_offchip_lds_buf;
606 
607 		if (amdgpu_ngg) {
608 			dev_info.prim_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PRIM].gpu_addr;
609 			dev_info.prim_buf_size = adev->gfx.ngg.buf[NGG_PRIM].size;
610 			dev_info.pos_buf_gpu_addr = adev->gfx.ngg.buf[NGG_POS].gpu_addr;
611 			dev_info.pos_buf_size = adev->gfx.ngg.buf[NGG_POS].size;
612 			dev_info.cntl_sb_buf_gpu_addr = adev->gfx.ngg.buf[NGG_CNTL].gpu_addr;
613 			dev_info.cntl_sb_buf_size = adev->gfx.ngg.buf[NGG_CNTL].size;
614 			dev_info.param_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PARAM].gpu_addr;
615 			dev_info.param_buf_size = adev->gfx.ngg.buf[NGG_PARAM].size;
616 		}
617 		dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
618 		dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
619 		dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
620 		dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
621 		dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
622 		dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
623 		dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
624 
625 		return copy_to_user(out, &dev_info,
626 				    min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
627 	}
628 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
629 		unsigned i;
630 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
631 		struct amd_vce_state *vce_state;
632 
633 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
634 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
635 			if (vce_state) {
636 				vce_clk_table.entries[i].sclk = vce_state->sclk;
637 				vce_clk_table.entries[i].mclk = vce_state->mclk;
638 				vce_clk_table.entries[i].eclk = vce_state->evclk;
639 				vce_clk_table.num_valid_entries++;
640 			}
641 		}
642 
643 		return copy_to_user(out, &vce_clk_table,
644 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
645 	}
646 	case AMDGPU_INFO_VBIOS: {
647 		uint32_t bios_size = adev->bios_size;
648 
649 		switch (info->vbios_info.type) {
650 		case AMDGPU_INFO_VBIOS_SIZE:
651 			return copy_to_user(out, &bios_size,
652 					min((size_t)size, sizeof(bios_size)))
653 					? -EFAULT : 0;
654 		case AMDGPU_INFO_VBIOS_IMAGE: {
655 			uint8_t *bios;
656 			uint32_t bios_offset = info->vbios_info.offset;
657 
658 			if (bios_offset >= bios_size)
659 				return -EINVAL;
660 
661 			bios = adev->bios + bios_offset;
662 			return copy_to_user(out, bios,
663 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
664 					? -EFAULT : 0;
665 		}
666 		default:
667 			DRM_DEBUG_KMS("Invalid request %d\n",
668 					info->vbios_info.type);
669 			return -EINVAL;
670 		}
671 	}
672 	case AMDGPU_INFO_NUM_HANDLES: {
673 		struct drm_amdgpu_info_num_handles handle;
674 
675 		switch (info->query_hw_ip.type) {
676 		case AMDGPU_HW_IP_UVD:
677 			/* Starting Polaris, we support unlimited UVD handles */
678 			if (adev->asic_type < CHIP_POLARIS10) {
679 				handle.uvd_max_handles = adev->uvd.max_handles;
680 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
681 
682 				return copy_to_user(out, &handle,
683 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
684 			} else {
685 				return -ENODATA;
686 			}
687 
688 			break;
689 		default:
690 			return -EINVAL;
691 		}
692 	}
693 	case AMDGPU_INFO_SENSOR: {
694 		struct pp_gpu_power query = {0};
695 		int query_size = sizeof(query);
696 
697 		if (amdgpu_dpm == 0)
698 			return -ENOENT;
699 
700 		switch (info->sensor_info.type) {
701 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
702 			/* get sclk in Mhz */
703 			if (amdgpu_dpm_read_sensor(adev,
704 						   AMDGPU_PP_SENSOR_GFX_SCLK,
705 						   (void *)&ui32, &ui32_size)) {
706 				return -EINVAL;
707 			}
708 			ui32 /= 100;
709 			break;
710 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
711 			/* get mclk in Mhz */
712 			if (amdgpu_dpm_read_sensor(adev,
713 						   AMDGPU_PP_SENSOR_GFX_MCLK,
714 						   (void *)&ui32, &ui32_size)) {
715 				return -EINVAL;
716 			}
717 			ui32 /= 100;
718 			break;
719 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
720 			/* get temperature in millidegrees C */
721 			if (amdgpu_dpm_read_sensor(adev,
722 						   AMDGPU_PP_SENSOR_GPU_TEMP,
723 						   (void *)&ui32, &ui32_size)) {
724 				return -EINVAL;
725 			}
726 			break;
727 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
728 			/* get GPU load */
729 			if (amdgpu_dpm_read_sensor(adev,
730 						   AMDGPU_PP_SENSOR_GPU_LOAD,
731 						   (void *)&ui32, &ui32_size)) {
732 				return -EINVAL;
733 			}
734 			break;
735 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
736 			/* get average GPU power */
737 			if (amdgpu_dpm_read_sensor(adev,
738 						   AMDGPU_PP_SENSOR_GPU_POWER,
739 						   (void *)&query, &query_size)) {
740 				return -EINVAL;
741 			}
742 			ui32 = query.average_gpu_power >> 8;
743 			break;
744 		case AMDGPU_INFO_SENSOR_VDDNB:
745 			/* get VDDNB in millivolts */
746 			if (amdgpu_dpm_read_sensor(adev,
747 						   AMDGPU_PP_SENSOR_VDDNB,
748 						   (void *)&ui32, &ui32_size)) {
749 				return -EINVAL;
750 			}
751 			break;
752 		case AMDGPU_INFO_SENSOR_VDDGFX:
753 			/* get VDDGFX in millivolts */
754 			if (amdgpu_dpm_read_sensor(adev,
755 						   AMDGPU_PP_SENSOR_VDDGFX,
756 						   (void *)&ui32, &ui32_size)) {
757 				return -EINVAL;
758 			}
759 			break;
760 		default:
761 			DRM_DEBUG_KMS("Invalid request %d\n",
762 				      info->sensor_info.type);
763 			return -EINVAL;
764 		}
765 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
766 	}
767 	default:
768 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
769 		return -EINVAL;
770 	}
771 	return 0;
772 }
773 
774 
775 /*
776  * Outdated mess for old drm with Xorg being in charge (void function now).
777  */
778 /**
779  * amdgpu_driver_lastclose_kms - drm callback for last close
780  *
781  * @dev: drm dev pointer
782  *
783  * Switch vga_switcheroo state after last close (all asics).
784  */
785 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
786 {
787 	struct amdgpu_device *adev = dev->dev_private;
788 
789 	amdgpu_fbdev_restore_mode(adev);
790 	vga_switcheroo_process_delayed_switch();
791 }
792 
793 bool amdgpu_kms_vram_lost(struct amdgpu_device *adev,
794 			  struct amdgpu_fpriv *fpriv)
795 {
796 	return fpriv->vram_lost_counter != atomic_read(&adev->vram_lost_counter);
797 }
798 
799 /**
800  * amdgpu_driver_open_kms - drm callback for open
801  *
802  * @dev: drm dev pointer
803  * @file_priv: drm file
804  *
805  * On device open, init vm on cayman+ (all asics).
806  * Returns 0 on success, error on failure.
807  */
808 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
809 {
810 	struct amdgpu_device *adev = dev->dev_private;
811 	struct amdgpu_fpriv *fpriv;
812 	int r;
813 
814 	file_priv->driver_priv = NULL;
815 
816 	r = pm_runtime_get_sync(dev->dev);
817 	if (r < 0)
818 		return r;
819 
820 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
821 	if (unlikely(!fpriv)) {
822 		r = -ENOMEM;
823 		goto out_suspend;
824 	}
825 
826 	r = amdgpu_vm_init(adev, &fpriv->vm,
827 			   AMDGPU_VM_CONTEXT_GFX);
828 	if (r) {
829 		kfree(fpriv);
830 		goto out_suspend;
831 	}
832 
833 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
834 	if (!fpriv->prt_va) {
835 		r = -ENOMEM;
836 		amdgpu_vm_fini(adev, &fpriv->vm);
837 		kfree(fpriv);
838 		goto out_suspend;
839 	}
840 
841 	if (amdgpu_sriov_vf(adev)) {
842 		r = amdgpu_map_static_csa(adev, &fpriv->vm);
843 		if (r)
844 			goto out_suspend;
845 	}
846 
847 	mutex_init(&fpriv->bo_list_lock);
848 	idr_init(&fpriv->bo_list_handles);
849 
850 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
851 
852 	fpriv->vram_lost_counter = atomic_read(&adev->vram_lost_counter);
853 	file_priv->driver_priv = fpriv;
854 
855 out_suspend:
856 	pm_runtime_mark_last_busy(dev->dev);
857 	pm_runtime_put_autosuspend(dev->dev);
858 
859 	return r;
860 }
861 
862 /**
863  * amdgpu_driver_postclose_kms - drm callback for post close
864  *
865  * @dev: drm dev pointer
866  * @file_priv: drm file
867  *
868  * On device post close, tear down vm on cayman+ (all asics).
869  */
870 void amdgpu_driver_postclose_kms(struct drm_device *dev,
871 				 struct drm_file *file_priv)
872 {
873 	struct amdgpu_device *adev = dev->dev_private;
874 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
875 	struct amdgpu_bo_list *list;
876 	int handle;
877 
878 	if (!fpriv)
879 		return;
880 
881 	pm_runtime_get_sync(dev->dev);
882 
883 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
884 
885 	if (adev->asic_type != CHIP_RAVEN) {
886 		amdgpu_uvd_free_handles(adev, file_priv);
887 		amdgpu_vce_free_handles(adev, file_priv);
888 	}
889 
890 	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
891 
892 	if (amdgpu_sriov_vf(adev)) {
893 		/* TODO: how to handle reserve failure */
894 		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
895 		amdgpu_vm_bo_rmv(adev, fpriv->vm.csa_bo_va);
896 		fpriv->vm.csa_bo_va = NULL;
897 		amdgpu_bo_unreserve(adev->virt.csa_obj);
898 	}
899 
900 	amdgpu_vm_fini(adev, &fpriv->vm);
901 
902 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
903 		amdgpu_bo_list_free(list);
904 
905 	idr_destroy(&fpriv->bo_list_handles);
906 	mutex_destroy(&fpriv->bo_list_lock);
907 
908 	kfree(fpriv);
909 	file_priv->driver_priv = NULL;
910 
911 	pm_runtime_mark_last_busy(dev->dev);
912 	pm_runtime_put_autosuspend(dev->dev);
913 }
914 
915 /*
916  * VBlank related functions.
917  */
918 /**
919  * amdgpu_get_vblank_counter_kms - get frame count
920  *
921  * @dev: drm dev pointer
922  * @pipe: crtc to get the frame count from
923  *
924  * Gets the frame count on the requested crtc (all asics).
925  * Returns frame count on success, -EINVAL on failure.
926  */
927 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
928 {
929 	struct amdgpu_device *adev = dev->dev_private;
930 	int vpos, hpos, stat;
931 	u32 count;
932 
933 	if (pipe >= adev->mode_info.num_crtc) {
934 		DRM_ERROR("Invalid crtc %u\n", pipe);
935 		return -EINVAL;
936 	}
937 
938 	/* The hw increments its frame counter at start of vsync, not at start
939 	 * of vblank, as is required by DRM core vblank counter handling.
940 	 * Cook the hw count here to make it appear to the caller as if it
941 	 * incremented at start of vblank. We measure distance to start of
942 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
943 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
944 	 * result by 1 to give the proper appearance to caller.
945 	 */
946 	if (adev->mode_info.crtcs[pipe]) {
947 		/* Repeat readout if needed to provide stable result if
948 		 * we cross start of vsync during the queries.
949 		 */
950 		do {
951 			count = amdgpu_display_vblank_get_counter(adev, pipe);
952 			/* Ask amdgpu_get_crtc_scanoutpos to return vpos as
953 			 * distance to start of vblank, instead of regular
954 			 * vertical scanout pos.
955 			 */
956 			stat = amdgpu_get_crtc_scanoutpos(
957 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
958 				&vpos, &hpos, NULL, NULL,
959 				&adev->mode_info.crtcs[pipe]->base.hwmode);
960 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
961 
962 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
963 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
964 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
965 		} else {
966 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
967 				      pipe, vpos);
968 
969 			/* Bump counter if we are at >= leading edge of vblank,
970 			 * but before vsync where vpos would turn negative and
971 			 * the hw counter really increments.
972 			 */
973 			if (vpos >= 0)
974 				count++;
975 		}
976 	} else {
977 		/* Fallback to use value as is. */
978 		count = amdgpu_display_vblank_get_counter(adev, pipe);
979 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
980 	}
981 
982 	return count;
983 }
984 
985 /**
986  * amdgpu_enable_vblank_kms - enable vblank interrupt
987  *
988  * @dev: drm dev pointer
989  * @pipe: crtc to enable vblank interrupt for
990  *
991  * Enable the interrupt on the requested crtc (all asics).
992  * Returns 0 on success, -EINVAL on failure.
993  */
994 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
995 {
996 	struct amdgpu_device *adev = dev->dev_private;
997 	int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe);
998 
999 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1000 }
1001 
1002 /**
1003  * amdgpu_disable_vblank_kms - disable vblank interrupt
1004  *
1005  * @dev: drm dev pointer
1006  * @pipe: crtc to disable vblank interrupt for
1007  *
1008  * Disable the interrupt on the requested crtc (all asics).
1009  */
1010 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1011 {
1012 	struct amdgpu_device *adev = dev->dev_private;
1013 	int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe);
1014 
1015 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1016 }
1017 
1018 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
1019 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1020 	DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1021 	DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1022 	DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1023 	/* KMS */
1024 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1025 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1026 	DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1027 	DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1028 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1029 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1030 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1031 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1032 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1033 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1034 };
1035 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1036 
1037 /*
1038  * Debugfs info
1039  */
1040 #if defined(CONFIG_DEBUG_FS)
1041 
1042 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
1043 {
1044 	struct drm_info_node *node = (struct drm_info_node *) m->private;
1045 	struct drm_device *dev = node->minor->dev;
1046 	struct amdgpu_device *adev = dev->dev_private;
1047 	struct drm_amdgpu_info_firmware fw_info;
1048 	struct drm_amdgpu_query_fw query_fw;
1049 	int ret, i;
1050 
1051 	/* VCE */
1052 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1053 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1054 	if (ret)
1055 		return ret;
1056 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1057 		   fw_info.feature, fw_info.ver);
1058 
1059 	/* UVD */
1060 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1061 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1062 	if (ret)
1063 		return ret;
1064 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1065 		   fw_info.feature, fw_info.ver);
1066 
1067 	/* GMC */
1068 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1069 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1070 	if (ret)
1071 		return ret;
1072 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1073 		   fw_info.feature, fw_info.ver);
1074 
1075 	/* ME */
1076 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1077 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1078 	if (ret)
1079 		return ret;
1080 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1081 		   fw_info.feature, fw_info.ver);
1082 
1083 	/* PFP */
1084 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1085 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1086 	if (ret)
1087 		return ret;
1088 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1089 		   fw_info.feature, fw_info.ver);
1090 
1091 	/* CE */
1092 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1093 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1094 	if (ret)
1095 		return ret;
1096 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1097 		   fw_info.feature, fw_info.ver);
1098 
1099 	/* RLC */
1100 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1101 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1102 	if (ret)
1103 		return ret;
1104 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1105 		   fw_info.feature, fw_info.ver);
1106 
1107 	/* MEC */
1108 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1109 	query_fw.index = 0;
1110 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1111 	if (ret)
1112 		return ret;
1113 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1114 		   fw_info.feature, fw_info.ver);
1115 
1116 	/* MEC2 */
1117 	if (adev->asic_type == CHIP_KAVERI ||
1118 	    (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
1119 		query_fw.index = 1;
1120 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1121 		if (ret)
1122 			return ret;
1123 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1124 			   fw_info.feature, fw_info.ver);
1125 	}
1126 
1127 	/* PSP SOS */
1128 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1129 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1130 	if (ret)
1131 		return ret;
1132 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1133 		   fw_info.feature, fw_info.ver);
1134 
1135 
1136 	/* PSP ASD */
1137 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1138 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1139 	if (ret)
1140 		return ret;
1141 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1142 		   fw_info.feature, fw_info.ver);
1143 
1144 	/* SMC */
1145 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1146 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1147 	if (ret)
1148 		return ret;
1149 	seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1150 		   fw_info.feature, fw_info.ver);
1151 
1152 	/* SDMA */
1153 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1154 	for (i = 0; i < adev->sdma.num_instances; i++) {
1155 		query_fw.index = i;
1156 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1157 		if (ret)
1158 			return ret;
1159 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1160 			   i, fw_info.feature, fw_info.ver);
1161 	}
1162 
1163 	return 0;
1164 }
1165 
1166 static const struct drm_info_list amdgpu_firmware_info_list[] = {
1167 	{"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1168 };
1169 #endif
1170 
1171 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1172 {
1173 #if defined(CONFIG_DEBUG_FS)
1174 	return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1175 					ARRAY_SIZE(amdgpu_firmware_info_list));
1176 #else
1177 	return 0;
1178 #endif
1179 }
1180