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