xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c (revision d82420b56a17d5b39579bc46f8dad757be684f94)
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, 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 = AMDGPU_GPU_PAGE_SIZE;
333 			ib_size_alignment = 8;
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 = AMDGPU_GPU_PAGE_SIZE;
340 			ib_size_alignment = 8;
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 = AMDGPU_GPU_PAGE_SIZE;
347 			ib_size_alignment = 1;
348 			break;
349 		case AMDGPU_HW_IP_UVD:
350 			type = AMD_IP_BLOCK_TYPE_UVD;
351 			ring_mask = adev->uvd.ring.ready ? 1 : 0;
352 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
353 			ib_size_alignment = 16;
354 			break;
355 		case AMDGPU_HW_IP_VCE:
356 			type = AMD_IP_BLOCK_TYPE_VCE;
357 			for (i = 0; i < adev->vce.num_rings; i++)
358 				ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
359 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
360 			ib_size_alignment = 1;
361 			break;
362 		case AMDGPU_HW_IP_UVD_ENC:
363 			type = AMD_IP_BLOCK_TYPE_UVD;
364 			for (i = 0; i < adev->uvd.num_enc_rings; i++)
365 				ring_mask |= ((adev->uvd.ring_enc[i].ready ? 1 : 0) << i);
366 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
367 			ib_size_alignment = 1;
368 			break;
369 		case AMDGPU_HW_IP_VCN_DEC:
370 			type = AMD_IP_BLOCK_TYPE_VCN;
371 			ring_mask = adev->vcn.ring_dec.ready ? 1 : 0;
372 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
373 			ib_size_alignment = 16;
374 			break;
375 		case AMDGPU_HW_IP_VCN_ENC:
376 			type = AMD_IP_BLOCK_TYPE_VCN;
377 			for (i = 0; i < adev->vcn.num_enc_rings; i++)
378 				ring_mask |= ((adev->vcn.ring_enc[i].ready ? 1 : 0) << i);
379 			ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
380 			ib_size_alignment = 1;
381 			break;
382 		default:
383 			return -EINVAL;
384 		}
385 
386 		for (i = 0; i < adev->num_ip_blocks; i++) {
387 			if (adev->ip_blocks[i].version->type == type &&
388 			    adev->ip_blocks[i].status.valid) {
389 				ip.hw_ip_version_major = adev->ip_blocks[i].version->major;
390 				ip.hw_ip_version_minor = adev->ip_blocks[i].version->minor;
391 				ip.capabilities_flags = 0;
392 				ip.available_rings = ring_mask;
393 				ip.ib_start_alignment = ib_start_alignment;
394 				ip.ib_size_alignment = ib_size_alignment;
395 				break;
396 			}
397 		}
398 		return copy_to_user(out, &ip,
399 				    min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
400 	}
401 	case AMDGPU_INFO_HW_IP_COUNT: {
402 		enum amd_ip_block_type type;
403 		uint32_t count = 0;
404 
405 		switch (info->query_hw_ip.type) {
406 		case AMDGPU_HW_IP_GFX:
407 			type = AMD_IP_BLOCK_TYPE_GFX;
408 			break;
409 		case AMDGPU_HW_IP_COMPUTE:
410 			type = AMD_IP_BLOCK_TYPE_GFX;
411 			break;
412 		case AMDGPU_HW_IP_DMA:
413 			type = AMD_IP_BLOCK_TYPE_SDMA;
414 			break;
415 		case AMDGPU_HW_IP_UVD:
416 			type = AMD_IP_BLOCK_TYPE_UVD;
417 			break;
418 		case AMDGPU_HW_IP_VCE:
419 			type = AMD_IP_BLOCK_TYPE_VCE;
420 			break;
421 		case AMDGPU_HW_IP_UVD_ENC:
422 			type = AMD_IP_BLOCK_TYPE_UVD;
423 			break;
424 		case AMDGPU_HW_IP_VCN_DEC:
425 		case AMDGPU_HW_IP_VCN_ENC:
426 			type = AMD_IP_BLOCK_TYPE_VCN;
427 			break;
428 		default:
429 			return -EINVAL;
430 		}
431 
432 		for (i = 0; i < adev->num_ip_blocks; i++)
433 			if (adev->ip_blocks[i].version->type == type &&
434 			    adev->ip_blocks[i].status.valid &&
435 			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
436 				count++;
437 
438 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
439 	}
440 	case AMDGPU_INFO_TIMESTAMP:
441 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
442 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
443 	case AMDGPU_INFO_FW_VERSION: {
444 		struct drm_amdgpu_info_firmware fw_info;
445 		int ret;
446 
447 		/* We only support one instance of each IP block right now. */
448 		if (info->query_fw.ip_instance != 0)
449 			return -EINVAL;
450 
451 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
452 		if (ret)
453 			return ret;
454 
455 		return copy_to_user(out, &fw_info,
456 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
457 	}
458 	case AMDGPU_INFO_NUM_BYTES_MOVED:
459 		ui64 = atomic64_read(&adev->num_bytes_moved);
460 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
461 	case AMDGPU_INFO_NUM_EVICTIONS:
462 		ui64 = atomic64_read(&adev->num_evictions);
463 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
464 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
465 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
466 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
467 	case AMDGPU_INFO_VRAM_USAGE:
468 		ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
469 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
470 	case AMDGPU_INFO_VIS_VRAM_USAGE:
471 		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
472 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
473 	case AMDGPU_INFO_GTT_USAGE:
474 		ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
475 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
476 	case AMDGPU_INFO_GDS_CONFIG: {
477 		struct drm_amdgpu_info_gds gds_info;
478 
479 		memset(&gds_info, 0, sizeof(gds_info));
480 		gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
481 		gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
482 		gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
483 		gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
484 		gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
485 		gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
486 		gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
487 		return copy_to_user(out, &gds_info,
488 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
489 	}
490 	case AMDGPU_INFO_VRAM_GTT: {
491 		struct drm_amdgpu_info_vram_gtt vram_gtt;
492 
493 		vram_gtt.vram_size = adev->gmc.real_vram_size;
494 		vram_gtt.vram_size -= adev->vram_pin_size;
495 		vram_gtt.vram_cpu_accessible_size = adev->gmc.visible_vram_size;
496 		vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
497 		vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size;
498 		vram_gtt.gtt_size *= PAGE_SIZE;
499 		vram_gtt.gtt_size -= adev->gart_pin_size;
500 		return copy_to_user(out, &vram_gtt,
501 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
502 	}
503 	case AMDGPU_INFO_MEMORY: {
504 		struct drm_amdgpu_memory_info mem;
505 
506 		memset(&mem, 0, sizeof(mem));
507 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
508 		mem.vram.usable_heap_size =
509 			adev->gmc.real_vram_size - adev->vram_pin_size;
510 		mem.vram.heap_usage =
511 			amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
512 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
513 
514 		mem.cpu_accessible_vram.total_heap_size =
515 			adev->gmc.visible_vram_size;
516 		mem.cpu_accessible_vram.usable_heap_size =
517 			adev->gmc.visible_vram_size -
518 			(adev->vram_pin_size - adev->invisible_pin_size);
519 		mem.cpu_accessible_vram.heap_usage =
520 			amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
521 		mem.cpu_accessible_vram.max_allocation =
522 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
523 
524 		mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size;
525 		mem.gtt.total_heap_size *= PAGE_SIZE;
526 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size
527 			- adev->gart_pin_size;
528 		mem.gtt.heap_usage =
529 			amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
530 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
531 
532 		return copy_to_user(out, &mem,
533 				    min((size_t)size, sizeof(mem)))
534 				    ? -EFAULT : 0;
535 	}
536 	case AMDGPU_INFO_READ_MMR_REG: {
537 		unsigned n, alloc_size;
538 		uint32_t *regs;
539 		unsigned se_num = (info->read_mmr_reg.instance >>
540 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
541 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
542 		unsigned sh_num = (info->read_mmr_reg.instance >>
543 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
544 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
545 
546 		/* set full masks if the userspace set all bits
547 		 * in the bitfields */
548 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
549 			se_num = 0xffffffff;
550 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
551 			sh_num = 0xffffffff;
552 
553 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
554 		if (!regs)
555 			return -ENOMEM;
556 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
557 
558 		for (i = 0; i < info->read_mmr_reg.count; i++)
559 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
560 						      info->read_mmr_reg.dword_offset + i,
561 						      &regs[i])) {
562 				DRM_DEBUG_KMS("unallowed offset %#x\n",
563 					      info->read_mmr_reg.dword_offset + i);
564 				kfree(regs);
565 				return -EFAULT;
566 			}
567 		n = copy_to_user(out, regs, min(size, alloc_size));
568 		kfree(regs);
569 		return n ? -EFAULT : 0;
570 	}
571 	case AMDGPU_INFO_DEV_INFO: {
572 		struct drm_amdgpu_info_device dev_info = {};
573 		uint64_t vm_size;
574 
575 		dev_info.device_id = dev->pdev->device;
576 		dev_info.chip_rev = adev->rev_id;
577 		dev_info.external_rev = adev->external_rev_id;
578 		dev_info.pci_rev = dev->pdev->revision;
579 		dev_info.family = adev->family;
580 		dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
581 		dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
582 		/* return all clocks in KHz */
583 		dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
584 		if (adev->pm.dpm_enabled) {
585 			dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
586 			dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
587 		} else {
588 			dev_info.max_engine_clock = adev->clock.default_sclk * 10;
589 			dev_info.max_memory_clock = adev->clock.default_mclk * 10;
590 		}
591 		dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
592 		dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
593 			adev->gfx.config.max_shader_engines;
594 		dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
595 		dev_info._pad = 0;
596 		dev_info.ids_flags = 0;
597 		if (adev->flags & AMD_IS_APU)
598 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
599 		if (amdgpu_sriov_vf(adev))
600 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
601 
602 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
603 		vm_size -= AMDGPU_VA_RESERVED_SIZE;
604 
605 		/* Older VCE FW versions are buggy and can handle only 40bits */
606 		if (adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
607 			vm_size = min(vm_size, 1ULL << 40);
608 
609 		dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
610 		dev_info.virtual_address_max =
611 			min(vm_size, AMDGPU_VA_HOLE_START);
612 
613 		if (vm_size > AMDGPU_VA_HOLE_START) {
614 			dev_info.high_va_offset = AMDGPU_VA_HOLE_END;
615 			dev_info.high_va_max = AMDGPU_VA_HOLE_END | vm_size;
616 		}
617 		dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
618 		dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
619 		dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
620 		dev_info.cu_active_number = adev->gfx.cu_info.number;
621 		dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
622 		dev_info.ce_ram_size = adev->gfx.ce_ram_size;
623 		memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
624 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
625 		memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
626 		       sizeof(adev->gfx.cu_info.bitmap));
627 		dev_info.vram_type = adev->gmc.vram_type;
628 		dev_info.vram_bit_width = adev->gmc.vram_width;
629 		dev_info.vce_harvest_config = adev->vce.harvest_config;
630 		dev_info.gc_double_offchip_lds_buf =
631 			adev->gfx.config.double_offchip_lds_buf;
632 
633 		if (amdgpu_ngg) {
634 			dev_info.prim_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PRIM].gpu_addr;
635 			dev_info.prim_buf_size = adev->gfx.ngg.buf[NGG_PRIM].size;
636 			dev_info.pos_buf_gpu_addr = adev->gfx.ngg.buf[NGG_POS].gpu_addr;
637 			dev_info.pos_buf_size = adev->gfx.ngg.buf[NGG_POS].size;
638 			dev_info.cntl_sb_buf_gpu_addr = adev->gfx.ngg.buf[NGG_CNTL].gpu_addr;
639 			dev_info.cntl_sb_buf_size = adev->gfx.ngg.buf[NGG_CNTL].size;
640 			dev_info.param_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PARAM].gpu_addr;
641 			dev_info.param_buf_size = adev->gfx.ngg.buf[NGG_PARAM].size;
642 		}
643 		dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
644 		dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
645 		dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
646 		dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
647 		dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
648 		dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
649 		dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
650 
651 		return copy_to_user(out, &dev_info,
652 				    min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
653 	}
654 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
655 		unsigned i;
656 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
657 		struct amd_vce_state *vce_state;
658 
659 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
660 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
661 			if (vce_state) {
662 				vce_clk_table.entries[i].sclk = vce_state->sclk;
663 				vce_clk_table.entries[i].mclk = vce_state->mclk;
664 				vce_clk_table.entries[i].eclk = vce_state->evclk;
665 				vce_clk_table.num_valid_entries++;
666 			}
667 		}
668 
669 		return copy_to_user(out, &vce_clk_table,
670 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
671 	}
672 	case AMDGPU_INFO_VBIOS: {
673 		uint32_t bios_size = adev->bios_size;
674 
675 		switch (info->vbios_info.type) {
676 		case AMDGPU_INFO_VBIOS_SIZE:
677 			return copy_to_user(out, &bios_size,
678 					min((size_t)size, sizeof(bios_size)))
679 					? -EFAULT : 0;
680 		case AMDGPU_INFO_VBIOS_IMAGE: {
681 			uint8_t *bios;
682 			uint32_t bios_offset = info->vbios_info.offset;
683 
684 			if (bios_offset >= bios_size)
685 				return -EINVAL;
686 
687 			bios = adev->bios + bios_offset;
688 			return copy_to_user(out, bios,
689 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
690 					? -EFAULT : 0;
691 		}
692 		default:
693 			DRM_DEBUG_KMS("Invalid request %d\n",
694 					info->vbios_info.type);
695 			return -EINVAL;
696 		}
697 	}
698 	case AMDGPU_INFO_NUM_HANDLES: {
699 		struct drm_amdgpu_info_num_handles handle;
700 
701 		switch (info->query_hw_ip.type) {
702 		case AMDGPU_HW_IP_UVD:
703 			/* Starting Polaris, we support unlimited UVD handles */
704 			if (adev->asic_type < CHIP_POLARIS10) {
705 				handle.uvd_max_handles = adev->uvd.max_handles;
706 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
707 
708 				return copy_to_user(out, &handle,
709 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
710 			} else {
711 				return -ENODATA;
712 			}
713 
714 			break;
715 		default:
716 			return -EINVAL;
717 		}
718 	}
719 	case AMDGPU_INFO_SENSOR: {
720 		if (!adev->pm.dpm_enabled)
721 			return -ENOENT;
722 
723 		switch (info->sensor_info.type) {
724 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
725 			/* get sclk in Mhz */
726 			if (amdgpu_dpm_read_sensor(adev,
727 						   AMDGPU_PP_SENSOR_GFX_SCLK,
728 						   (void *)&ui32, &ui32_size)) {
729 				return -EINVAL;
730 			}
731 			ui32 /= 100;
732 			break;
733 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
734 			/* get mclk in Mhz */
735 			if (amdgpu_dpm_read_sensor(adev,
736 						   AMDGPU_PP_SENSOR_GFX_MCLK,
737 						   (void *)&ui32, &ui32_size)) {
738 				return -EINVAL;
739 			}
740 			ui32 /= 100;
741 			break;
742 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
743 			/* get temperature in millidegrees C */
744 			if (amdgpu_dpm_read_sensor(adev,
745 						   AMDGPU_PP_SENSOR_GPU_TEMP,
746 						   (void *)&ui32, &ui32_size)) {
747 				return -EINVAL;
748 			}
749 			break;
750 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
751 			/* get GPU load */
752 			if (amdgpu_dpm_read_sensor(adev,
753 						   AMDGPU_PP_SENSOR_GPU_LOAD,
754 						   (void *)&ui32, &ui32_size)) {
755 				return -EINVAL;
756 			}
757 			break;
758 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
759 			/* get average GPU power */
760 			if (amdgpu_dpm_read_sensor(adev,
761 						   AMDGPU_PP_SENSOR_GPU_POWER,
762 						   (void *)&ui32, &ui32_size)) {
763 				return -EINVAL;
764 			}
765 			ui32 >>= 8;
766 			break;
767 		case AMDGPU_INFO_SENSOR_VDDNB:
768 			/* get VDDNB in millivolts */
769 			if (amdgpu_dpm_read_sensor(adev,
770 						   AMDGPU_PP_SENSOR_VDDNB,
771 						   (void *)&ui32, &ui32_size)) {
772 				return -EINVAL;
773 			}
774 			break;
775 		case AMDGPU_INFO_SENSOR_VDDGFX:
776 			/* get VDDGFX in millivolts */
777 			if (amdgpu_dpm_read_sensor(adev,
778 						   AMDGPU_PP_SENSOR_VDDGFX,
779 						   (void *)&ui32, &ui32_size)) {
780 				return -EINVAL;
781 			}
782 			break;
783 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
784 			/* get stable pstate sclk in Mhz */
785 			if (amdgpu_dpm_read_sensor(adev,
786 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
787 						   (void *)&ui32, &ui32_size)) {
788 				return -EINVAL;
789 			}
790 			ui32 /= 100;
791 			break;
792 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
793 			/* get stable pstate mclk in Mhz */
794 			if (amdgpu_dpm_read_sensor(adev,
795 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
796 						   (void *)&ui32, &ui32_size)) {
797 				return -EINVAL;
798 			}
799 			ui32 /= 100;
800 			break;
801 		default:
802 			DRM_DEBUG_KMS("Invalid request %d\n",
803 				      info->sensor_info.type);
804 			return -EINVAL;
805 		}
806 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
807 	}
808 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
809 		ui32 = atomic_read(&adev->vram_lost_counter);
810 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
811 	default:
812 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
813 		return -EINVAL;
814 	}
815 	return 0;
816 }
817 
818 
819 /*
820  * Outdated mess for old drm with Xorg being in charge (void function now).
821  */
822 /**
823  * amdgpu_driver_lastclose_kms - drm callback for last close
824  *
825  * @dev: drm dev pointer
826  *
827  * Switch vga_switcheroo state after last close (all asics).
828  */
829 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
830 {
831 	drm_fb_helper_lastclose(dev);
832 	vga_switcheroo_process_delayed_switch();
833 }
834 
835 /**
836  * amdgpu_driver_open_kms - drm callback for open
837  *
838  * @dev: drm dev pointer
839  * @file_priv: drm file
840  *
841  * On device open, init vm on cayman+ (all asics).
842  * Returns 0 on success, error on failure.
843  */
844 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
845 {
846 	struct amdgpu_device *adev = dev->dev_private;
847 	struct amdgpu_fpriv *fpriv;
848 	int r, pasid;
849 
850 	file_priv->driver_priv = NULL;
851 
852 	r = pm_runtime_get_sync(dev->dev);
853 	if (r < 0)
854 		return r;
855 
856 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
857 	if (unlikely(!fpriv)) {
858 		r = -ENOMEM;
859 		goto out_suspend;
860 	}
861 
862 	pasid = amdgpu_pasid_alloc(16);
863 	if (pasid < 0) {
864 		dev_warn(adev->dev, "No more PASIDs available!");
865 		pasid = 0;
866 	}
867 	r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid);
868 	if (r)
869 		goto error_pasid;
870 
871 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
872 	if (!fpriv->prt_va) {
873 		r = -ENOMEM;
874 		goto error_vm;
875 	}
876 
877 	if (amdgpu_sriov_vf(adev)) {
878 		r = amdgpu_map_static_csa(adev, &fpriv->vm, &fpriv->csa_va);
879 		if (r)
880 			goto error_vm;
881 	}
882 
883 	mutex_init(&fpriv->bo_list_lock);
884 	idr_init(&fpriv->bo_list_handles);
885 
886 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
887 
888 	file_priv->driver_priv = fpriv;
889 	goto out_suspend;
890 
891 error_vm:
892 	amdgpu_vm_fini(adev, &fpriv->vm);
893 
894 error_pasid:
895 	if (pasid)
896 		amdgpu_pasid_free(pasid);
897 
898 	kfree(fpriv);
899 
900 out_suspend:
901 	pm_runtime_mark_last_busy(dev->dev);
902 	pm_runtime_put_autosuspend(dev->dev);
903 
904 	return r;
905 }
906 
907 /**
908  * amdgpu_driver_postclose_kms - drm callback for post close
909  *
910  * @dev: drm dev pointer
911  * @file_priv: drm file
912  *
913  * On device post close, tear down vm on cayman+ (all asics).
914  */
915 void amdgpu_driver_postclose_kms(struct drm_device *dev,
916 				 struct drm_file *file_priv)
917 {
918 	struct amdgpu_device *adev = dev->dev_private;
919 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
920 	struct amdgpu_bo_list *list;
921 	struct amdgpu_bo *pd;
922 	unsigned int pasid;
923 	int handle;
924 
925 	if (!fpriv)
926 		return;
927 
928 	pm_runtime_get_sync(dev->dev);
929 	amdgpu_ctx_mgr_entity_fini(&fpriv->ctx_mgr);
930 
931 	if (adev->asic_type != CHIP_RAVEN) {
932 		amdgpu_uvd_free_handles(adev, file_priv);
933 		amdgpu_vce_free_handles(adev, file_priv);
934 	}
935 
936 	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
937 
938 	if (amdgpu_sriov_vf(adev)) {
939 		/* TODO: how to handle reserve failure */
940 		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
941 		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
942 		fpriv->csa_va = NULL;
943 		amdgpu_bo_unreserve(adev->virt.csa_obj);
944 	}
945 
946 	pasid = fpriv->vm.pasid;
947 	pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
948 
949 	amdgpu_vm_fini(adev, &fpriv->vm);
950 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
951 
952 	if (pasid)
953 		amdgpu_pasid_free_delayed(pd->tbo.resv, pasid);
954 	amdgpu_bo_unref(&pd);
955 
956 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
957 		amdgpu_bo_list_free(list);
958 
959 	idr_destroy(&fpriv->bo_list_handles);
960 	mutex_destroy(&fpriv->bo_list_lock);
961 
962 	kfree(fpriv);
963 	file_priv->driver_priv = NULL;
964 
965 	pm_runtime_mark_last_busy(dev->dev);
966 	pm_runtime_put_autosuspend(dev->dev);
967 }
968 
969 /*
970  * VBlank related functions.
971  */
972 /**
973  * amdgpu_get_vblank_counter_kms - get frame count
974  *
975  * @dev: drm dev pointer
976  * @pipe: crtc to get the frame count from
977  *
978  * Gets the frame count on the requested crtc (all asics).
979  * Returns frame count on success, -EINVAL on failure.
980  */
981 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
982 {
983 	struct amdgpu_device *adev = dev->dev_private;
984 	int vpos, hpos, stat;
985 	u32 count;
986 
987 	if (pipe >= adev->mode_info.num_crtc) {
988 		DRM_ERROR("Invalid crtc %u\n", pipe);
989 		return -EINVAL;
990 	}
991 
992 	/* The hw increments its frame counter at start of vsync, not at start
993 	 * of vblank, as is required by DRM core vblank counter handling.
994 	 * Cook the hw count here to make it appear to the caller as if it
995 	 * incremented at start of vblank. We measure distance to start of
996 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
997 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
998 	 * result by 1 to give the proper appearance to caller.
999 	 */
1000 	if (adev->mode_info.crtcs[pipe]) {
1001 		/* Repeat readout if needed to provide stable result if
1002 		 * we cross start of vsync during the queries.
1003 		 */
1004 		do {
1005 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1006 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1007 			 * vpos as distance to start of vblank, instead of
1008 			 * regular vertical scanout pos.
1009 			 */
1010 			stat = amdgpu_display_get_crtc_scanoutpos(
1011 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1012 				&vpos, &hpos, NULL, NULL,
1013 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1014 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1015 
1016 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1017 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1018 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1019 		} else {
1020 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1021 				      pipe, vpos);
1022 
1023 			/* Bump counter if we are at >= leading edge of vblank,
1024 			 * but before vsync where vpos would turn negative and
1025 			 * the hw counter really increments.
1026 			 */
1027 			if (vpos >= 0)
1028 				count++;
1029 		}
1030 	} else {
1031 		/* Fallback to use value as is. */
1032 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1033 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1034 	}
1035 
1036 	return count;
1037 }
1038 
1039 /**
1040  * amdgpu_enable_vblank_kms - enable vblank interrupt
1041  *
1042  * @dev: drm dev pointer
1043  * @pipe: crtc to enable vblank interrupt for
1044  *
1045  * Enable the interrupt on the requested crtc (all asics).
1046  * Returns 0 on success, -EINVAL on failure.
1047  */
1048 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1049 {
1050 	struct amdgpu_device *adev = dev->dev_private;
1051 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1052 
1053 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1054 }
1055 
1056 /**
1057  * amdgpu_disable_vblank_kms - disable vblank interrupt
1058  *
1059  * @dev: drm dev pointer
1060  * @pipe: crtc to disable vblank interrupt for
1061  *
1062  * Disable the interrupt on the requested crtc (all asics).
1063  */
1064 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1065 {
1066 	struct amdgpu_device *adev = dev->dev_private;
1067 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1068 
1069 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1070 }
1071 
1072 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
1073 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1074 	DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1075 	DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1076 	DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER),
1077 	DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1078 	DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1079 	/* KMS */
1080 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1081 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1082 	DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1083 	DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1084 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1085 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1086 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1087 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1088 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1089 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW)
1090 };
1091 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1092 
1093 /*
1094  * Debugfs info
1095  */
1096 #if defined(CONFIG_DEBUG_FS)
1097 
1098 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
1099 {
1100 	struct drm_info_node *node = (struct drm_info_node *) m->private;
1101 	struct drm_device *dev = node->minor->dev;
1102 	struct amdgpu_device *adev = dev->dev_private;
1103 	struct drm_amdgpu_info_firmware fw_info;
1104 	struct drm_amdgpu_query_fw query_fw;
1105 	struct atom_context *ctx = adev->mode_info.atom_context;
1106 	int ret, i;
1107 
1108 	/* VCE */
1109 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1110 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1111 	if (ret)
1112 		return ret;
1113 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1114 		   fw_info.feature, fw_info.ver);
1115 
1116 	/* UVD */
1117 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1118 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1119 	if (ret)
1120 		return ret;
1121 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1122 		   fw_info.feature, fw_info.ver);
1123 
1124 	/* GMC */
1125 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1126 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1127 	if (ret)
1128 		return ret;
1129 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1130 		   fw_info.feature, fw_info.ver);
1131 
1132 	/* ME */
1133 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1134 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1135 	if (ret)
1136 		return ret;
1137 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1138 		   fw_info.feature, fw_info.ver);
1139 
1140 	/* PFP */
1141 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1142 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1143 	if (ret)
1144 		return ret;
1145 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1146 		   fw_info.feature, fw_info.ver);
1147 
1148 	/* CE */
1149 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1150 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1151 	if (ret)
1152 		return ret;
1153 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1154 		   fw_info.feature, fw_info.ver);
1155 
1156 	/* RLC */
1157 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1158 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1159 	if (ret)
1160 		return ret;
1161 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1162 		   fw_info.feature, fw_info.ver);
1163 
1164 	/* RLC SAVE RESTORE LIST CNTL */
1165 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1166 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1167 	if (ret)
1168 		return ret;
1169 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1170 		   fw_info.feature, fw_info.ver);
1171 
1172 	/* RLC SAVE RESTORE LIST GPM MEM */
1173 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1174 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1175 	if (ret)
1176 		return ret;
1177 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1178 		   fw_info.feature, fw_info.ver);
1179 
1180 	/* RLC SAVE RESTORE LIST SRM MEM */
1181 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1182 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1183 	if (ret)
1184 		return ret;
1185 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1186 		   fw_info.feature, fw_info.ver);
1187 
1188 	/* MEC */
1189 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1190 	query_fw.index = 0;
1191 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1192 	if (ret)
1193 		return ret;
1194 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1195 		   fw_info.feature, fw_info.ver);
1196 
1197 	/* MEC2 */
1198 	if (adev->asic_type == CHIP_KAVERI ||
1199 	    (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
1200 		query_fw.index = 1;
1201 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1202 		if (ret)
1203 			return ret;
1204 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1205 			   fw_info.feature, fw_info.ver);
1206 	}
1207 
1208 	/* PSP SOS */
1209 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1210 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1211 	if (ret)
1212 		return ret;
1213 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1214 		   fw_info.feature, fw_info.ver);
1215 
1216 
1217 	/* PSP ASD */
1218 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1219 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1220 	if (ret)
1221 		return ret;
1222 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1223 		   fw_info.feature, fw_info.ver);
1224 
1225 	/* SMC */
1226 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1227 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1228 	if (ret)
1229 		return ret;
1230 	seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1231 		   fw_info.feature, fw_info.ver);
1232 
1233 	/* SDMA */
1234 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1235 	for (i = 0; i < adev->sdma.num_instances; i++) {
1236 		query_fw.index = i;
1237 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1238 		if (ret)
1239 			return ret;
1240 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1241 			   i, fw_info.feature, fw_info.ver);
1242 	}
1243 
1244 	/* VCN */
1245 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1246 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1247 	if (ret)
1248 		return ret;
1249 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1250 		   fw_info.feature, fw_info.ver);
1251 
1252 
1253 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1254 
1255 	return 0;
1256 }
1257 
1258 static const struct drm_info_list amdgpu_firmware_info_list[] = {
1259 	{"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1260 };
1261 #endif
1262 
1263 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1264 {
1265 #if defined(CONFIG_DEBUG_FS)
1266 	return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1267 					ARRAY_SIZE(amdgpu_firmware_info_list));
1268 #else
1269 	return 0;
1270 #endif
1271 }
1272