xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c (revision 3ba2a0bfd8cf94eb225e1c60dff16e5c35bde1da)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 
29 #include "amdgpu.h"
30 #include <drm/amdgpu_drm.h>
31 #include <drm/drm_drv.h>
32 #include <drm/drm_fb_helper.h>
33 #include "amdgpu_uvd.h"
34 #include "amdgpu_vce.h"
35 #include "atom.h"
36 
37 #include <linux/vga_switcheroo.h>
38 #include <linux/slab.h>
39 #include <linux/uaccess.h>
40 #include <linux/pci.h>
41 #include <linux/pm_runtime.h>
42 #include "amdgpu_amdkfd.h"
43 #include "amdgpu_gem.h"
44 #include "amdgpu_display.h"
45 #include "amdgpu_ras.h"
46 #include "amd_pcie.h"
47 
48 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
49 {
50 	struct amdgpu_gpu_instance *gpu_instance;
51 	int i;
52 
53 	mutex_lock(&mgpu_info.mutex);
54 
55 	for (i = 0; i < mgpu_info.num_gpu; i++) {
56 		gpu_instance = &(mgpu_info.gpu_ins[i]);
57 		if (gpu_instance->adev == adev) {
58 			mgpu_info.gpu_ins[i] =
59 				mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
60 			mgpu_info.num_gpu--;
61 			if (adev->flags & AMD_IS_APU)
62 				mgpu_info.num_apu--;
63 			else
64 				mgpu_info.num_dgpu--;
65 			break;
66 		}
67 	}
68 
69 	mutex_unlock(&mgpu_info.mutex);
70 }
71 
72 /**
73  * amdgpu_driver_unload_kms - Main unload function for KMS.
74  *
75  * @dev: drm dev pointer
76  *
77  * This is the main unload function for KMS (all asics).
78  * Returns 0 on success.
79  */
80 void amdgpu_driver_unload_kms(struct drm_device *dev)
81 {
82 	struct amdgpu_device *adev = drm_to_adev(dev);
83 
84 	if (adev == NULL)
85 		return;
86 
87 	amdgpu_unregister_gpu_instance(adev);
88 
89 	if (adev->rmmio == NULL)
90 		return;
91 
92 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
93 		DRM_WARN("smart shift update failed\n");
94 
95 	amdgpu_acpi_fini(adev);
96 	amdgpu_device_fini_hw(adev);
97 }
98 
99 void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
100 {
101 	struct amdgpu_gpu_instance *gpu_instance;
102 
103 	mutex_lock(&mgpu_info.mutex);
104 
105 	if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
106 		DRM_ERROR("Cannot register more gpu instance\n");
107 		mutex_unlock(&mgpu_info.mutex);
108 		return;
109 	}
110 
111 	gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
112 	gpu_instance->adev = adev;
113 	gpu_instance->mgpu_fan_enabled = 0;
114 
115 	mgpu_info.num_gpu++;
116 	if (adev->flags & AMD_IS_APU)
117 		mgpu_info.num_apu++;
118 	else
119 		mgpu_info.num_dgpu++;
120 
121 	mutex_unlock(&mgpu_info.mutex);
122 }
123 
124 /**
125  * amdgpu_driver_load_kms - Main load function for KMS.
126  *
127  * @adev: pointer to struct amdgpu_device
128  * @flags: device flags
129  *
130  * This is the main load function for KMS (all asics).
131  * Returns 0 on success, error on failure.
132  */
133 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
134 {
135 	struct drm_device *dev;
136 	int r, acpi_status;
137 
138 	dev = adev_to_drm(adev);
139 
140 	/* amdgpu_device_init should report only fatal error
141 	 * like memory allocation failure or iomapping failure,
142 	 * or memory manager initialization failure, it must
143 	 * properly initialize the GPU MC controller and permit
144 	 * VRAM allocation
145 	 */
146 	r = amdgpu_device_init(adev, flags);
147 	if (r) {
148 		dev_err(dev->dev, "Fatal error during GPU init\n");
149 		goto out;
150 	}
151 
152 	adev->pm.rpm_mode = AMDGPU_RUNPM_NONE;
153 	if (amdgpu_device_supports_px(dev) &&
154 	    (amdgpu_runtime_pm != 0)) { /* enable PX as runtime mode */
155 		adev->pm.rpm_mode = AMDGPU_RUNPM_PX;
156 		dev_info(adev->dev, "Using ATPX for runtime pm\n");
157 	} else if (amdgpu_device_supports_boco(dev) &&
158 		   (amdgpu_runtime_pm != 0)) { /* enable boco as runtime mode */
159 		adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO;
160 		dev_info(adev->dev, "Using BOCO for runtime pm\n");
161 	} else if (amdgpu_device_supports_baco(dev) &&
162 		   (amdgpu_runtime_pm != 0)) {
163 		switch (adev->asic_type) {
164 		case CHIP_VEGA20:
165 		case CHIP_ARCTURUS:
166 			/* enable BACO as runpm mode if runpm=1 */
167 			if (amdgpu_runtime_pm > 0)
168 				adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
169 			break;
170 		case CHIP_VEGA10:
171 			/* enable BACO as runpm mode if noretry=0 */
172 			if (!adev->gmc.noretry)
173 				adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
174 			break;
175 		default:
176 			/* enable BACO as runpm mode on CI+ */
177 			adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
178 			break;
179 		}
180 
181 		if (adev->pm.rpm_mode == AMDGPU_RUNPM_BACO)
182 			dev_info(adev->dev, "Using BACO for runtime pm\n");
183 	}
184 
185 	/* Call ACPI methods: require modeset init
186 	 * but failure is not fatal
187 	 */
188 
189 	acpi_status = amdgpu_acpi_init(adev);
190 	if (acpi_status)
191 		dev_dbg(dev->dev, "Error during ACPI methods call\n");
192 
193 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
194 		DRM_WARN("smart shift update failed\n");
195 
196 out:
197 	if (r)
198 		amdgpu_driver_unload_kms(dev);
199 
200 	return r;
201 }
202 
203 static enum amd_ip_block_type
204 	amdgpu_ip_get_block_type(struct amdgpu_device *adev, uint32_t ip)
205 {
206 	enum amd_ip_block_type type;
207 
208 	switch (ip) {
209 	case AMDGPU_HW_IP_GFX:
210 		type = AMD_IP_BLOCK_TYPE_GFX;
211 		break;
212 	case AMDGPU_HW_IP_COMPUTE:
213 		type = AMD_IP_BLOCK_TYPE_GFX;
214 		break;
215 	case AMDGPU_HW_IP_DMA:
216 		type = AMD_IP_BLOCK_TYPE_SDMA;
217 		break;
218 	case AMDGPU_HW_IP_UVD:
219 	case AMDGPU_HW_IP_UVD_ENC:
220 		type = AMD_IP_BLOCK_TYPE_UVD;
221 		break;
222 	case AMDGPU_HW_IP_VCE:
223 		type = AMD_IP_BLOCK_TYPE_VCE;
224 		break;
225 	case AMDGPU_HW_IP_VCN_DEC:
226 	case AMDGPU_HW_IP_VCN_ENC:
227 		type = AMD_IP_BLOCK_TYPE_VCN;
228 		break;
229 	case AMDGPU_HW_IP_VCN_JPEG:
230 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
231 				   AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
232 		break;
233 	default:
234 		type = AMD_IP_BLOCK_TYPE_NUM;
235 		break;
236 	}
237 
238 	return type;
239 }
240 
241 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
242 				struct drm_amdgpu_query_fw *query_fw,
243 				struct amdgpu_device *adev)
244 {
245 	switch (query_fw->fw_type) {
246 	case AMDGPU_INFO_FW_VCE:
247 		fw_info->ver = adev->vce.fw_version;
248 		fw_info->feature = adev->vce.fb_version;
249 		break;
250 	case AMDGPU_INFO_FW_UVD:
251 		fw_info->ver = adev->uvd.fw_version;
252 		fw_info->feature = 0;
253 		break;
254 	case AMDGPU_INFO_FW_VCN:
255 		fw_info->ver = adev->vcn.fw_version;
256 		fw_info->feature = 0;
257 		break;
258 	case AMDGPU_INFO_FW_GMC:
259 		fw_info->ver = adev->gmc.fw_version;
260 		fw_info->feature = 0;
261 		break;
262 	case AMDGPU_INFO_FW_GFX_ME:
263 		fw_info->ver = adev->gfx.me_fw_version;
264 		fw_info->feature = adev->gfx.me_feature_version;
265 		break;
266 	case AMDGPU_INFO_FW_GFX_PFP:
267 		fw_info->ver = adev->gfx.pfp_fw_version;
268 		fw_info->feature = adev->gfx.pfp_feature_version;
269 		break;
270 	case AMDGPU_INFO_FW_GFX_CE:
271 		fw_info->ver = adev->gfx.ce_fw_version;
272 		fw_info->feature = adev->gfx.ce_feature_version;
273 		break;
274 	case AMDGPU_INFO_FW_GFX_RLC:
275 		fw_info->ver = adev->gfx.rlc_fw_version;
276 		fw_info->feature = adev->gfx.rlc_feature_version;
277 		break;
278 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
279 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
280 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
281 		break;
282 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
283 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
284 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
285 		break;
286 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
287 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
288 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
289 		break;
290 	case AMDGPU_INFO_FW_GFX_RLCP:
291 		fw_info->ver = adev->gfx.rlcp_ucode_version;
292 		fw_info->feature = adev->gfx.rlcp_ucode_feature_version;
293 		break;
294 	case AMDGPU_INFO_FW_GFX_RLCV:
295 		fw_info->ver = adev->gfx.rlcv_ucode_version;
296 		fw_info->feature = adev->gfx.rlcv_ucode_feature_version;
297 		break;
298 	case AMDGPU_INFO_FW_GFX_MEC:
299 		if (query_fw->index == 0) {
300 			fw_info->ver = adev->gfx.mec_fw_version;
301 			fw_info->feature = adev->gfx.mec_feature_version;
302 		} else if (query_fw->index == 1) {
303 			fw_info->ver = adev->gfx.mec2_fw_version;
304 			fw_info->feature = adev->gfx.mec2_feature_version;
305 		} else
306 			return -EINVAL;
307 		break;
308 	case AMDGPU_INFO_FW_SMC:
309 		fw_info->ver = adev->pm.fw_version;
310 		fw_info->feature = 0;
311 		break;
312 	case AMDGPU_INFO_FW_TA:
313 		switch (query_fw->index) {
314 		case TA_FW_TYPE_PSP_XGMI:
315 			fw_info->ver = adev->psp.xgmi_context.context.bin_desc.fw_version;
316 			fw_info->feature = adev->psp.xgmi_context.context
317 						   .bin_desc.feature_version;
318 			break;
319 		case TA_FW_TYPE_PSP_RAS:
320 			fw_info->ver = adev->psp.ras_context.context.bin_desc.fw_version;
321 			fw_info->feature = adev->psp.ras_context.context
322 						   .bin_desc.feature_version;
323 			break;
324 		case TA_FW_TYPE_PSP_HDCP:
325 			fw_info->ver = adev->psp.hdcp_context.context.bin_desc.fw_version;
326 			fw_info->feature = adev->psp.hdcp_context.context
327 						   .bin_desc.feature_version;
328 			break;
329 		case TA_FW_TYPE_PSP_DTM:
330 			fw_info->ver = adev->psp.dtm_context.context.bin_desc.fw_version;
331 			fw_info->feature = adev->psp.dtm_context.context
332 						   .bin_desc.feature_version;
333 			break;
334 		case TA_FW_TYPE_PSP_RAP:
335 			fw_info->ver = adev->psp.rap_context.context.bin_desc.fw_version;
336 			fw_info->feature = adev->psp.rap_context.context
337 						   .bin_desc.feature_version;
338 			break;
339 		case TA_FW_TYPE_PSP_SECUREDISPLAY:
340 			fw_info->ver = adev->psp.securedisplay_context.context.bin_desc.fw_version;
341 			fw_info->feature =
342 				adev->psp.securedisplay_context.context.bin_desc
343 					.feature_version;
344 			break;
345 		default:
346 			return -EINVAL;
347 		}
348 		break;
349 	case AMDGPU_INFO_FW_SDMA:
350 		if (query_fw->index >= adev->sdma.num_instances)
351 			return -EINVAL;
352 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
353 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
354 		break;
355 	case AMDGPU_INFO_FW_SOS:
356 		fw_info->ver = adev->psp.sos.fw_version;
357 		fw_info->feature = adev->psp.sos.feature_version;
358 		break;
359 	case AMDGPU_INFO_FW_ASD:
360 		fw_info->ver = adev->psp.asd_context.bin_desc.fw_version;
361 		fw_info->feature = adev->psp.asd_context.bin_desc.feature_version;
362 		break;
363 	case AMDGPU_INFO_FW_DMCU:
364 		fw_info->ver = adev->dm.dmcu_fw_version;
365 		fw_info->feature = 0;
366 		break;
367 	case AMDGPU_INFO_FW_DMCUB:
368 		fw_info->ver = adev->dm.dmcub_fw_version;
369 		fw_info->feature = 0;
370 		break;
371 	case AMDGPU_INFO_FW_TOC:
372 		fw_info->ver = adev->psp.toc.fw_version;
373 		fw_info->feature = adev->psp.toc.feature_version;
374 		break;
375 	case AMDGPU_INFO_FW_CAP:
376 		fw_info->ver = adev->psp.cap_fw_version;
377 		fw_info->feature = adev->psp.cap_feature_version;
378 		break;
379 	case AMDGPU_INFO_FW_MES_KIQ:
380 		fw_info->ver = adev->mes.kiq_version & AMDGPU_MES_VERSION_MASK;
381 		fw_info->feature = (adev->mes.kiq_version & AMDGPU_MES_FEAT_VERSION_MASK)
382 					>> AMDGPU_MES_FEAT_VERSION_SHIFT;
383 		break;
384 	case AMDGPU_INFO_FW_MES:
385 		fw_info->ver = adev->mes.sched_version & AMDGPU_MES_VERSION_MASK;
386 		fw_info->feature = (adev->mes.sched_version & AMDGPU_MES_FEAT_VERSION_MASK)
387 					>> AMDGPU_MES_FEAT_VERSION_SHIFT;
388 		break;
389 	case AMDGPU_INFO_FW_IMU:
390 		fw_info->ver = adev->gfx.imu_fw_version;
391 		fw_info->feature = 0;
392 		break;
393 	case AMDGPU_INFO_FW_VPE:
394 		fw_info->ver = adev->vpe.fw_version;
395 		fw_info->feature = adev->vpe.feature_version;
396 		break;
397 	default:
398 		return -EINVAL;
399 	}
400 	return 0;
401 }
402 
403 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
404 			     struct drm_amdgpu_info *info,
405 			     struct drm_amdgpu_info_hw_ip *result)
406 {
407 	uint32_t ib_start_alignment = 0;
408 	uint32_t ib_size_alignment = 0;
409 	enum amd_ip_block_type type;
410 	unsigned int num_rings = 0;
411 	unsigned int i, j;
412 
413 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
414 		return -EINVAL;
415 
416 	switch (info->query_hw_ip.type) {
417 	case AMDGPU_HW_IP_GFX:
418 		type = AMD_IP_BLOCK_TYPE_GFX;
419 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
420 			if (adev->gfx.gfx_ring[i].sched.ready)
421 				++num_rings;
422 		ib_start_alignment = 32;
423 		ib_size_alignment = 32;
424 		break;
425 	case AMDGPU_HW_IP_COMPUTE:
426 		type = AMD_IP_BLOCK_TYPE_GFX;
427 		for (i = 0; i < adev->gfx.num_compute_rings; i++)
428 			if (adev->gfx.compute_ring[i].sched.ready)
429 				++num_rings;
430 		ib_start_alignment = 32;
431 		ib_size_alignment = 32;
432 		break;
433 	case AMDGPU_HW_IP_DMA:
434 		type = AMD_IP_BLOCK_TYPE_SDMA;
435 		for (i = 0; i < adev->sdma.num_instances; i++)
436 			if (adev->sdma.instance[i].ring.sched.ready)
437 				++num_rings;
438 		ib_start_alignment = 256;
439 		ib_size_alignment = 4;
440 		break;
441 	case AMDGPU_HW_IP_UVD:
442 		type = AMD_IP_BLOCK_TYPE_UVD;
443 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
444 			if (adev->uvd.harvest_config & (1 << i))
445 				continue;
446 
447 			if (adev->uvd.inst[i].ring.sched.ready)
448 				++num_rings;
449 		}
450 		ib_start_alignment = 256;
451 		ib_size_alignment = 64;
452 		break;
453 	case AMDGPU_HW_IP_VCE:
454 		type = AMD_IP_BLOCK_TYPE_VCE;
455 		for (i = 0; i < adev->vce.num_rings; i++)
456 			if (adev->vce.ring[i].sched.ready)
457 				++num_rings;
458 		ib_start_alignment = 256;
459 		ib_size_alignment = 4;
460 		break;
461 	case AMDGPU_HW_IP_UVD_ENC:
462 		type = AMD_IP_BLOCK_TYPE_UVD;
463 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
464 			if (adev->uvd.harvest_config & (1 << i))
465 				continue;
466 
467 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
468 				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
469 					++num_rings;
470 		}
471 		ib_start_alignment = 256;
472 		ib_size_alignment = 4;
473 		break;
474 	case AMDGPU_HW_IP_VCN_DEC:
475 		type = AMD_IP_BLOCK_TYPE_VCN;
476 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
477 			if (adev->vcn.harvest_config & (1 << i))
478 				continue;
479 
480 			if (adev->vcn.inst[i].ring_dec.sched.ready)
481 				++num_rings;
482 		}
483 		ib_start_alignment = 256;
484 		ib_size_alignment = 64;
485 		break;
486 	case AMDGPU_HW_IP_VCN_ENC:
487 		type = AMD_IP_BLOCK_TYPE_VCN;
488 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
489 			if (adev->vcn.harvest_config & (1 << i))
490 				continue;
491 
492 			for (j = 0; j < adev->vcn.num_enc_rings; j++)
493 				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
494 					++num_rings;
495 		}
496 		ib_start_alignment = 256;
497 		ib_size_alignment = 4;
498 		break;
499 	case AMDGPU_HW_IP_VCN_JPEG:
500 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
501 			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
502 
503 		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
504 			if (adev->jpeg.harvest_config & (1 << i))
505 				continue;
506 
507 			for (j = 0; j < adev->jpeg.num_jpeg_rings; j++)
508 				if (adev->jpeg.inst[i].ring_dec[j].sched.ready)
509 					++num_rings;
510 		}
511 		ib_start_alignment = 256;
512 		ib_size_alignment = 64;
513 		break;
514 	case AMDGPU_HW_IP_VPE:
515 		type = AMD_IP_BLOCK_TYPE_VPE;
516 		if (adev->vpe.ring.sched.ready)
517 			++num_rings;
518 		ib_start_alignment = 256;
519 		ib_size_alignment = 4;
520 		break;
521 	default:
522 		return -EINVAL;
523 	}
524 
525 	for (i = 0; i < adev->num_ip_blocks; i++)
526 		if (adev->ip_blocks[i].version->type == type &&
527 		    adev->ip_blocks[i].status.valid)
528 			break;
529 
530 	if (i == adev->num_ip_blocks)
531 		return 0;
532 
533 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
534 			num_rings);
535 
536 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
537 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
538 
539 	if (adev->asic_type >= CHIP_VEGA10) {
540 		switch (type) {
541 		case AMD_IP_BLOCK_TYPE_GFX:
542 			result->ip_discovery_version =
543 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, GC_HWIP, 0));
544 			break;
545 		case AMD_IP_BLOCK_TYPE_SDMA:
546 			result->ip_discovery_version =
547 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, SDMA0_HWIP, 0));
548 			break;
549 		case AMD_IP_BLOCK_TYPE_UVD:
550 		case AMD_IP_BLOCK_TYPE_VCN:
551 		case AMD_IP_BLOCK_TYPE_JPEG:
552 			result->ip_discovery_version =
553 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, UVD_HWIP, 0));
554 			break;
555 		case AMD_IP_BLOCK_TYPE_VCE:
556 			result->ip_discovery_version =
557 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VCE_HWIP, 0));
558 			break;
559 		case AMD_IP_BLOCK_TYPE_VPE:
560 			result->ip_discovery_version =
561 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VPE_HWIP, 0));
562 			break;
563 		default:
564 			result->ip_discovery_version = 0;
565 			break;
566 		}
567 	} else {
568 		result->ip_discovery_version = 0;
569 	}
570 	result->capabilities_flags = 0;
571 	result->available_rings = (1 << num_rings) - 1;
572 	result->ib_start_alignment = ib_start_alignment;
573 	result->ib_size_alignment = ib_size_alignment;
574 	return 0;
575 }
576 
577 /*
578  * Userspace get information ioctl
579  */
580 /**
581  * amdgpu_info_ioctl - answer a device specific request.
582  *
583  * @dev: drm device pointer
584  * @data: request object
585  * @filp: drm filp
586  *
587  * This function is used to pass device specific parameters to the userspace
588  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
589  * etc. (all asics).
590  * Returns 0 on success, -EINVAL on failure.
591  */
592 int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
593 {
594 	struct amdgpu_device *adev = drm_to_adev(dev);
595 	struct drm_amdgpu_info *info = data;
596 	struct amdgpu_mode_info *minfo = &adev->mode_info;
597 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
598 	struct amdgpu_fpriv *fpriv;
599 	struct amdgpu_ip_block *ip_block;
600 	enum amd_ip_block_type type;
601 	struct amdgpu_xcp *xcp;
602 	u32 count, inst_mask;
603 	uint32_t size = info->return_size;
604 	struct drm_crtc *crtc;
605 	uint32_t ui32 = 0;
606 	uint64_t ui64 = 0;
607 	int i, found, ret;
608 	int ui32_size = sizeof(ui32);
609 
610 	if (!info->return_size || !info->return_pointer)
611 		return -EINVAL;
612 
613 	switch (info->query) {
614 	case AMDGPU_INFO_ACCEL_WORKING:
615 		ui32 = adev->accel_working;
616 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
617 	case AMDGPU_INFO_CRTC_FROM_ID:
618 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
619 			crtc = (struct drm_crtc *)minfo->crtcs[i];
620 			if (crtc && crtc->base.id == info->mode_crtc.id) {
621 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
622 
623 				ui32 = amdgpu_crtc->crtc_id;
624 				found = 1;
625 				break;
626 			}
627 		}
628 		if (!found) {
629 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
630 			return -EINVAL;
631 		}
632 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
633 	case AMDGPU_INFO_HW_IP_INFO: {
634 		struct drm_amdgpu_info_hw_ip ip = {};
635 
636 		ret = amdgpu_hw_ip_info(adev, info, &ip);
637 		if (ret)
638 			return ret;
639 
640 		ret = copy_to_user(out, &ip, min_t(size_t, size, sizeof(ip)));
641 		return ret ? -EFAULT : 0;
642 	}
643 	case AMDGPU_INFO_HW_IP_COUNT: {
644 		fpriv = (struct amdgpu_fpriv *)filp->driver_priv;
645 		type = amdgpu_ip_get_block_type(adev, info->query_hw_ip.type);
646 		ip_block = amdgpu_device_ip_get_ip_block(adev, type);
647 
648 		if (!ip_block || !ip_block->status.valid)
649 			return -EINVAL;
650 
651 		if (adev->xcp_mgr && adev->xcp_mgr->num_xcps > 0 &&
652 		    fpriv->xcp_id >= 0 && fpriv->xcp_id < adev->xcp_mgr->num_xcps) {
653 			xcp = &adev->xcp_mgr->xcp[fpriv->xcp_id];
654 			switch (type) {
655 			case AMD_IP_BLOCK_TYPE_GFX:
656 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_GFX, &inst_mask);
657 				count = hweight32(inst_mask);
658 				break;
659 			case AMD_IP_BLOCK_TYPE_SDMA:
660 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_SDMA, &inst_mask);
661 				count = hweight32(inst_mask);
662 				break;
663 			case AMD_IP_BLOCK_TYPE_JPEG:
664 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
665 				count = hweight32(inst_mask) * adev->jpeg.num_jpeg_rings;
666 				break;
667 			case AMD_IP_BLOCK_TYPE_VCN:
668 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
669 				count = hweight32(inst_mask);
670 				break;
671 			default:
672 				return -EINVAL;
673 			}
674 			if (ret)
675 				return ret;
676 			return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
677 		}
678 
679 		switch (type) {
680 		case AMD_IP_BLOCK_TYPE_GFX:
681 		case AMD_IP_BLOCK_TYPE_VCE:
682 			count = 1;
683 			break;
684 		case AMD_IP_BLOCK_TYPE_SDMA:
685 			count = adev->sdma.num_instances;
686 			break;
687 		case AMD_IP_BLOCK_TYPE_JPEG:
688 			count = adev->jpeg.num_jpeg_inst * adev->jpeg.num_jpeg_rings;
689 			break;
690 		case AMD_IP_BLOCK_TYPE_VCN:
691 			count = adev->vcn.num_vcn_inst;
692 			break;
693 		case AMD_IP_BLOCK_TYPE_UVD:
694 			count = adev->uvd.num_uvd_inst;
695 			break;
696 		/* For all other IP block types not listed in the switch statement
697 		 * the ip status is valid here and the instance count is one.
698 		 */
699 		default:
700 			count = 1;
701 			break;
702 		}
703 
704 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
705 	}
706 	case AMDGPU_INFO_TIMESTAMP:
707 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
708 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
709 	case AMDGPU_INFO_FW_VERSION: {
710 		struct drm_amdgpu_info_firmware fw_info;
711 
712 		/* We only support one instance of each IP block right now. */
713 		if (info->query_fw.ip_instance != 0)
714 			return -EINVAL;
715 
716 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
717 		if (ret)
718 			return ret;
719 
720 		return copy_to_user(out, &fw_info,
721 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
722 	}
723 	case AMDGPU_INFO_NUM_BYTES_MOVED:
724 		ui64 = atomic64_read(&adev->num_bytes_moved);
725 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
726 	case AMDGPU_INFO_NUM_EVICTIONS:
727 		ui64 = atomic64_read(&adev->num_evictions);
728 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
729 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
730 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
731 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
732 	case AMDGPU_INFO_VRAM_USAGE:
733 		ui64 = ttm_resource_manager_usage(&adev->mman.vram_mgr.manager);
734 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
735 	case AMDGPU_INFO_VIS_VRAM_USAGE:
736 		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
737 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
738 	case AMDGPU_INFO_GTT_USAGE:
739 		ui64 = ttm_resource_manager_usage(&adev->mman.gtt_mgr.manager);
740 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
741 	case AMDGPU_INFO_GDS_CONFIG: {
742 		struct drm_amdgpu_info_gds gds_info;
743 
744 		memset(&gds_info, 0, sizeof(gds_info));
745 		gds_info.compute_partition_size = adev->gds.gds_size;
746 		gds_info.gds_total_size = adev->gds.gds_size;
747 		gds_info.gws_per_compute_partition = adev->gds.gws_size;
748 		gds_info.oa_per_compute_partition = adev->gds.oa_size;
749 		return copy_to_user(out, &gds_info,
750 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
751 	}
752 	case AMDGPU_INFO_VRAM_GTT: {
753 		struct drm_amdgpu_info_vram_gtt vram_gtt;
754 
755 		vram_gtt.vram_size = adev->gmc.real_vram_size -
756 			atomic64_read(&adev->vram_pin_size) -
757 			AMDGPU_VM_RESERVED_VRAM;
758 		vram_gtt.vram_cpu_accessible_size =
759 			min(adev->gmc.visible_vram_size -
760 			    atomic64_read(&adev->visible_pin_size),
761 			    vram_gtt.vram_size);
762 		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
763 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
764 		return copy_to_user(out, &vram_gtt,
765 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
766 	}
767 	case AMDGPU_INFO_MEMORY: {
768 		struct drm_amdgpu_memory_info mem;
769 		struct ttm_resource_manager *gtt_man =
770 			&adev->mman.gtt_mgr.manager;
771 		struct ttm_resource_manager *vram_man =
772 			&adev->mman.vram_mgr.manager;
773 
774 		memset(&mem, 0, sizeof(mem));
775 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
776 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
777 			atomic64_read(&adev->vram_pin_size) -
778 			AMDGPU_VM_RESERVED_VRAM;
779 		mem.vram.heap_usage =
780 			ttm_resource_manager_usage(vram_man);
781 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
782 
783 		mem.cpu_accessible_vram.total_heap_size =
784 			adev->gmc.visible_vram_size;
785 		mem.cpu_accessible_vram.usable_heap_size =
786 			min(adev->gmc.visible_vram_size -
787 			    atomic64_read(&adev->visible_pin_size),
788 			    mem.vram.usable_heap_size);
789 		mem.cpu_accessible_vram.heap_usage =
790 			amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
791 		mem.cpu_accessible_vram.max_allocation =
792 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
793 
794 		mem.gtt.total_heap_size = gtt_man->size;
795 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
796 			atomic64_read(&adev->gart_pin_size);
797 		mem.gtt.heap_usage = ttm_resource_manager_usage(gtt_man);
798 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
799 
800 		return copy_to_user(out, &mem,
801 				    min((size_t)size, sizeof(mem)))
802 				    ? -EFAULT : 0;
803 	}
804 	case AMDGPU_INFO_READ_MMR_REG: {
805 		unsigned int n, alloc_size;
806 		uint32_t *regs;
807 		unsigned int se_num = (info->read_mmr_reg.instance >>
808 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
809 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
810 		unsigned int sh_num = (info->read_mmr_reg.instance >>
811 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
812 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
813 
814 		/* set full masks if the userspace set all bits
815 		 * in the bitfields
816 		 */
817 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
818 			se_num = 0xffffffff;
819 		else if (se_num >= AMDGPU_GFX_MAX_SE)
820 			return -EINVAL;
821 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
822 			sh_num = 0xffffffff;
823 		else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
824 			return -EINVAL;
825 
826 		if (info->read_mmr_reg.count > 128)
827 			return -EINVAL;
828 
829 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
830 		if (!regs)
831 			return -ENOMEM;
832 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
833 
834 		amdgpu_gfx_off_ctrl(adev, false);
835 		for (i = 0; i < info->read_mmr_reg.count; i++) {
836 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
837 						      info->read_mmr_reg.dword_offset + i,
838 						      &regs[i])) {
839 				DRM_DEBUG_KMS("unallowed offset %#x\n",
840 					      info->read_mmr_reg.dword_offset + i);
841 				kfree(regs);
842 				amdgpu_gfx_off_ctrl(adev, true);
843 				return -EFAULT;
844 			}
845 		}
846 		amdgpu_gfx_off_ctrl(adev, true);
847 		n = copy_to_user(out, regs, min(size, alloc_size));
848 		kfree(regs);
849 		return n ? -EFAULT : 0;
850 	}
851 	case AMDGPU_INFO_DEV_INFO: {
852 		struct drm_amdgpu_info_device *dev_info;
853 		uint64_t vm_size;
854 		uint32_t pcie_gen_mask;
855 
856 		dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
857 		if (!dev_info)
858 			return -ENOMEM;
859 
860 		dev_info->device_id = adev->pdev->device;
861 		dev_info->chip_rev = adev->rev_id;
862 		dev_info->external_rev = adev->external_rev_id;
863 		dev_info->pci_rev = adev->pdev->revision;
864 		dev_info->family = adev->family;
865 		dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
866 		dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
867 		/* return all clocks in KHz */
868 		dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
869 		if (adev->pm.dpm_enabled) {
870 			dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
871 			dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
872 			dev_info->min_engine_clock = amdgpu_dpm_get_sclk(adev, true) * 10;
873 			dev_info->min_memory_clock = amdgpu_dpm_get_mclk(adev, true) * 10;
874 		} else {
875 			dev_info->max_engine_clock =
876 				dev_info->min_engine_clock =
877 					adev->clock.default_sclk * 10;
878 			dev_info->max_memory_clock =
879 				dev_info->min_memory_clock =
880 					adev->clock.default_mclk * 10;
881 		}
882 		dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
883 		dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
884 			adev->gfx.config.max_shader_engines;
885 		dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
886 		dev_info->ids_flags = 0;
887 		if (adev->flags & AMD_IS_APU)
888 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
889 		if (adev->gfx.mcbp)
890 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
891 		if (amdgpu_is_tmz(adev))
892 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
893 		if (adev->gfx.config.ta_cntl2_truncate_coord_mode)
894 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD;
895 
896 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
897 		vm_size -= AMDGPU_VA_RESERVED_SIZE;
898 
899 		/* Older VCE FW versions are buggy and can handle only 40bits */
900 		if (adev->vce.fw_version &&
901 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
902 			vm_size = min(vm_size, 1ULL << 40);
903 
904 		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
905 		dev_info->virtual_address_max =
906 			min(vm_size, AMDGPU_GMC_HOLE_START);
907 
908 		if (vm_size > AMDGPU_GMC_HOLE_START) {
909 			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
910 			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
911 		}
912 		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
913 		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
914 		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
915 		dev_info->cu_active_number = adev->gfx.cu_info.number;
916 		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
917 		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
918 		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
919 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
920 		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
921 		       sizeof(dev_info->cu_bitmap));
922 		dev_info->vram_type = adev->gmc.vram_type;
923 		dev_info->vram_bit_width = adev->gmc.vram_width;
924 		dev_info->vce_harvest_config = adev->vce.harvest_config;
925 		dev_info->gc_double_offchip_lds_buf =
926 			adev->gfx.config.double_offchip_lds_buf;
927 		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
928 		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
929 		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
930 		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
931 		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
932 		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
933 		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
934 
935 		if (adev->family >= AMDGPU_FAMILY_NV)
936 			dev_info->pa_sc_tile_steering_override =
937 				adev->gfx.config.pa_sc_tile_steering_override;
938 
939 		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
940 
941 		/* Combine the chip gen mask with the platform (CPU/mobo) mask. */
942 		pcie_gen_mask = adev->pm.pcie_gen_mask & (adev->pm.pcie_gen_mask >> 16);
943 		dev_info->pcie_gen = fls(pcie_gen_mask);
944 		dev_info->pcie_num_lanes =
945 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 ? 32 :
946 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 ? 16 :
947 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 ? 12 :
948 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 ? 8 :
949 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 ? 4 :
950 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 ? 2 : 1;
951 
952 		dev_info->tcp_cache_size = adev->gfx.config.gc_tcp_l1_size;
953 		dev_info->num_sqc_per_wgp = adev->gfx.config.gc_num_sqc_per_wgp;
954 		dev_info->sqc_data_cache_size = adev->gfx.config.gc_l1_data_cache_size_per_sqc;
955 		dev_info->sqc_inst_cache_size = adev->gfx.config.gc_l1_instruction_cache_size_per_sqc;
956 		dev_info->gl1c_cache_size = adev->gfx.config.gc_gl1c_size_per_instance *
957 					    adev->gfx.config.gc_gl1c_per_sa;
958 		dev_info->gl2c_cache_size = adev->gfx.config.gc_gl2c_per_gpu;
959 		dev_info->mall_size = adev->gmc.mall_size;
960 
961 
962 		if (adev->gfx.funcs->get_gfx_shadow_info) {
963 			struct amdgpu_gfx_shadow_info shadow_info;
964 
965 			ret = amdgpu_gfx_get_gfx_shadow_info(adev, &shadow_info);
966 			if (!ret) {
967 				dev_info->shadow_size = shadow_info.shadow_size;
968 				dev_info->shadow_alignment = shadow_info.shadow_alignment;
969 				dev_info->csa_size = shadow_info.csa_size;
970 				dev_info->csa_alignment = shadow_info.csa_alignment;
971 			}
972 		}
973 
974 		ret = copy_to_user(out, dev_info,
975 				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
976 		kfree(dev_info);
977 		return ret;
978 	}
979 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
980 		unsigned int i;
981 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
982 		struct amd_vce_state *vce_state;
983 
984 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
985 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
986 			if (vce_state) {
987 				vce_clk_table.entries[i].sclk = vce_state->sclk;
988 				vce_clk_table.entries[i].mclk = vce_state->mclk;
989 				vce_clk_table.entries[i].eclk = vce_state->evclk;
990 				vce_clk_table.num_valid_entries++;
991 			}
992 		}
993 
994 		return copy_to_user(out, &vce_clk_table,
995 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
996 	}
997 	case AMDGPU_INFO_VBIOS: {
998 		uint32_t bios_size = adev->bios_size;
999 
1000 		switch (info->vbios_info.type) {
1001 		case AMDGPU_INFO_VBIOS_SIZE:
1002 			return copy_to_user(out, &bios_size,
1003 					min((size_t)size, sizeof(bios_size)))
1004 					? -EFAULT : 0;
1005 		case AMDGPU_INFO_VBIOS_IMAGE: {
1006 			uint8_t *bios;
1007 			uint32_t bios_offset = info->vbios_info.offset;
1008 
1009 			if (bios_offset >= bios_size)
1010 				return -EINVAL;
1011 
1012 			bios = adev->bios + bios_offset;
1013 			return copy_to_user(out, bios,
1014 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
1015 					? -EFAULT : 0;
1016 		}
1017 		case AMDGPU_INFO_VBIOS_INFO: {
1018 			struct drm_amdgpu_info_vbios vbios_info = {};
1019 			struct atom_context *atom_context;
1020 
1021 			atom_context = adev->mode_info.atom_context;
1022 			if (atom_context) {
1023 				memcpy(vbios_info.name, atom_context->name,
1024 				       sizeof(atom_context->name));
1025 				memcpy(vbios_info.vbios_pn, atom_context->vbios_pn,
1026 				       sizeof(atom_context->vbios_pn));
1027 				vbios_info.version = atom_context->version;
1028 				memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
1029 				       sizeof(atom_context->vbios_ver_str));
1030 				memcpy(vbios_info.date, atom_context->date,
1031 				       sizeof(atom_context->date));
1032 			}
1033 
1034 			return copy_to_user(out, &vbios_info,
1035 						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
1036 		}
1037 		default:
1038 			DRM_DEBUG_KMS("Invalid request %d\n",
1039 					info->vbios_info.type);
1040 			return -EINVAL;
1041 		}
1042 	}
1043 	case AMDGPU_INFO_NUM_HANDLES: {
1044 		struct drm_amdgpu_info_num_handles handle;
1045 
1046 		switch (info->query_hw_ip.type) {
1047 		case AMDGPU_HW_IP_UVD:
1048 			/* Starting Polaris, we support unlimited UVD handles */
1049 			if (adev->asic_type < CHIP_POLARIS10) {
1050 				handle.uvd_max_handles = adev->uvd.max_handles;
1051 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
1052 
1053 				return copy_to_user(out, &handle,
1054 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
1055 			} else {
1056 				return -ENODATA;
1057 			}
1058 
1059 			break;
1060 		default:
1061 			return -EINVAL;
1062 		}
1063 	}
1064 	case AMDGPU_INFO_SENSOR: {
1065 		if (!adev->pm.dpm_enabled)
1066 			return -ENOENT;
1067 
1068 		switch (info->sensor_info.type) {
1069 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
1070 			/* get sclk in Mhz */
1071 			if (amdgpu_dpm_read_sensor(adev,
1072 						   AMDGPU_PP_SENSOR_GFX_SCLK,
1073 						   (void *)&ui32, &ui32_size)) {
1074 				return -EINVAL;
1075 			}
1076 			ui32 /= 100;
1077 			break;
1078 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
1079 			/* get mclk in Mhz */
1080 			if (amdgpu_dpm_read_sensor(adev,
1081 						   AMDGPU_PP_SENSOR_GFX_MCLK,
1082 						   (void *)&ui32, &ui32_size)) {
1083 				return -EINVAL;
1084 			}
1085 			ui32 /= 100;
1086 			break;
1087 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
1088 			/* get temperature in millidegrees C */
1089 			if (amdgpu_dpm_read_sensor(adev,
1090 						   AMDGPU_PP_SENSOR_GPU_TEMP,
1091 						   (void *)&ui32, &ui32_size)) {
1092 				return -EINVAL;
1093 			}
1094 			break;
1095 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
1096 			/* get GPU load */
1097 			if (amdgpu_dpm_read_sensor(adev,
1098 						   AMDGPU_PP_SENSOR_GPU_LOAD,
1099 						   (void *)&ui32, &ui32_size)) {
1100 				return -EINVAL;
1101 			}
1102 			break;
1103 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
1104 			/* get average GPU power */
1105 			if (amdgpu_dpm_read_sensor(adev,
1106 						   AMDGPU_PP_SENSOR_GPU_AVG_POWER,
1107 						   (void *)&ui32, &ui32_size)) {
1108 				/* fall back to input power for backwards compat */
1109 				if (amdgpu_dpm_read_sensor(adev,
1110 							   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1111 							   (void *)&ui32, &ui32_size)) {
1112 					return -EINVAL;
1113 				}
1114 			}
1115 			ui32 >>= 8;
1116 			break;
1117 		case AMDGPU_INFO_SENSOR_VDDNB:
1118 			/* get VDDNB in millivolts */
1119 			if (amdgpu_dpm_read_sensor(adev,
1120 						   AMDGPU_PP_SENSOR_VDDNB,
1121 						   (void *)&ui32, &ui32_size)) {
1122 				return -EINVAL;
1123 			}
1124 			break;
1125 		case AMDGPU_INFO_SENSOR_VDDGFX:
1126 			/* get VDDGFX in millivolts */
1127 			if (amdgpu_dpm_read_sensor(adev,
1128 						   AMDGPU_PP_SENSOR_VDDGFX,
1129 						   (void *)&ui32, &ui32_size)) {
1130 				return -EINVAL;
1131 			}
1132 			break;
1133 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1134 			/* get stable pstate sclk in Mhz */
1135 			if (amdgpu_dpm_read_sensor(adev,
1136 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1137 						   (void *)&ui32, &ui32_size)) {
1138 				return -EINVAL;
1139 			}
1140 			ui32 /= 100;
1141 			break;
1142 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1143 			/* get stable pstate mclk in Mhz */
1144 			if (amdgpu_dpm_read_sensor(adev,
1145 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1146 						   (void *)&ui32, &ui32_size)) {
1147 				return -EINVAL;
1148 			}
1149 			ui32 /= 100;
1150 			break;
1151 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK:
1152 			/* get peak pstate sclk in Mhz */
1153 			if (amdgpu_dpm_read_sensor(adev,
1154 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK,
1155 						   (void *)&ui32, &ui32_size)) {
1156 				return -EINVAL;
1157 			}
1158 			ui32 /= 100;
1159 			break;
1160 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK:
1161 			/* get peak pstate mclk in Mhz */
1162 			if (amdgpu_dpm_read_sensor(adev,
1163 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK,
1164 						   (void *)&ui32, &ui32_size)) {
1165 				return -EINVAL;
1166 			}
1167 			ui32 /= 100;
1168 			break;
1169 		default:
1170 			DRM_DEBUG_KMS("Invalid request %d\n",
1171 				      info->sensor_info.type);
1172 			return -EINVAL;
1173 		}
1174 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1175 	}
1176 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
1177 		ui32 = atomic_read(&adev->vram_lost_counter);
1178 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1179 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1180 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1181 		uint64_t ras_mask;
1182 
1183 		if (!ras)
1184 			return -EINVAL;
1185 		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1186 
1187 		return copy_to_user(out, &ras_mask,
1188 				min_t(u64, size, sizeof(ras_mask))) ?
1189 			-EFAULT : 0;
1190 	}
1191 	case AMDGPU_INFO_VIDEO_CAPS: {
1192 		const struct amdgpu_video_codecs *codecs;
1193 		struct drm_amdgpu_info_video_caps *caps;
1194 		int r;
1195 
1196 		if (!adev->asic_funcs->query_video_codecs)
1197 			return -EINVAL;
1198 
1199 		switch (info->video_cap.type) {
1200 		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1201 			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1202 			if (r)
1203 				return -EINVAL;
1204 			break;
1205 		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1206 			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1207 			if (r)
1208 				return -EINVAL;
1209 			break;
1210 		default:
1211 			DRM_DEBUG_KMS("Invalid request %d\n",
1212 				      info->video_cap.type);
1213 			return -EINVAL;
1214 		}
1215 
1216 		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1217 		if (!caps)
1218 			return -ENOMEM;
1219 
1220 		for (i = 0; i < codecs->codec_count; i++) {
1221 			int idx = codecs->codec_array[i].codec_type;
1222 
1223 			switch (idx) {
1224 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1225 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1226 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1227 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1228 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1229 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1230 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1231 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1232 				caps->codec_info[idx].valid = 1;
1233 				caps->codec_info[idx].max_width =
1234 					codecs->codec_array[i].max_width;
1235 				caps->codec_info[idx].max_height =
1236 					codecs->codec_array[i].max_height;
1237 				caps->codec_info[idx].max_pixels_per_frame =
1238 					codecs->codec_array[i].max_pixels_per_frame;
1239 				caps->codec_info[idx].max_level =
1240 					codecs->codec_array[i].max_level;
1241 				break;
1242 			default:
1243 				break;
1244 			}
1245 		}
1246 		r = copy_to_user(out, caps,
1247 				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1248 		kfree(caps);
1249 		return r;
1250 	}
1251 	case AMDGPU_INFO_MAX_IBS: {
1252 		uint32_t max_ibs[AMDGPU_HW_IP_NUM];
1253 
1254 		for (i = 0; i < AMDGPU_HW_IP_NUM; ++i)
1255 			max_ibs[i] = amdgpu_ring_max_ibs(i);
1256 
1257 		return copy_to_user(out, max_ibs,
1258 				    min((size_t)size, sizeof(max_ibs))) ? -EFAULT : 0;
1259 	}
1260 	case AMDGPU_INFO_GPUVM_FAULT: {
1261 		struct amdgpu_fpriv *fpriv = filp->driver_priv;
1262 		struct amdgpu_vm *vm = &fpriv->vm;
1263 		struct drm_amdgpu_info_gpuvm_fault gpuvm_fault;
1264 		unsigned long flags;
1265 
1266 		if (!vm)
1267 			return -EINVAL;
1268 
1269 		memset(&gpuvm_fault, 0, sizeof(gpuvm_fault));
1270 
1271 		xa_lock_irqsave(&adev->vm_manager.pasids, flags);
1272 		gpuvm_fault.addr = vm->fault_info.addr;
1273 		gpuvm_fault.status = vm->fault_info.status;
1274 		gpuvm_fault.vmhub = vm->fault_info.vmhub;
1275 		xa_unlock_irqrestore(&adev->vm_manager.pasids, flags);
1276 
1277 		return copy_to_user(out, &gpuvm_fault,
1278 				    min((size_t)size, sizeof(gpuvm_fault))) ? -EFAULT : 0;
1279 	}
1280 	default:
1281 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1282 		return -EINVAL;
1283 	}
1284 	return 0;
1285 }
1286 
1287 
1288 /*
1289  * Outdated mess for old drm with Xorg being in charge (void function now).
1290  */
1291 /**
1292  * amdgpu_driver_lastclose_kms - drm callback for last close
1293  *
1294  * @dev: drm dev pointer
1295  *
1296  * Switch vga_switcheroo state after last close (all asics).
1297  */
1298 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
1299 {
1300 	drm_fb_helper_lastclose(dev);
1301 	vga_switcheroo_process_delayed_switch();
1302 }
1303 
1304 /**
1305  * amdgpu_driver_open_kms - drm callback for open
1306  *
1307  * @dev: drm dev pointer
1308  * @file_priv: drm file
1309  *
1310  * On device open, init vm on cayman+ (all asics).
1311  * Returns 0 on success, error on failure.
1312  */
1313 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1314 {
1315 	struct amdgpu_device *adev = drm_to_adev(dev);
1316 	struct amdgpu_fpriv *fpriv;
1317 	int r, pasid;
1318 
1319 	/* Ensure IB tests are run on ring */
1320 	flush_delayed_work(&adev->delayed_init_work);
1321 
1322 
1323 	if (amdgpu_ras_intr_triggered()) {
1324 		DRM_ERROR("RAS Intr triggered, device disabled!!");
1325 		return -EHWPOISON;
1326 	}
1327 
1328 	file_priv->driver_priv = NULL;
1329 
1330 	r = pm_runtime_get_sync(dev->dev);
1331 	if (r < 0)
1332 		goto pm_put;
1333 
1334 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1335 	if (unlikely(!fpriv)) {
1336 		r = -ENOMEM;
1337 		goto out_suspend;
1338 	}
1339 
1340 	pasid = amdgpu_pasid_alloc(16);
1341 	if (pasid < 0) {
1342 		dev_warn(adev->dev, "No more PASIDs available!");
1343 		pasid = 0;
1344 	}
1345 
1346 	r = amdgpu_xcp_open_device(adev, fpriv, file_priv);
1347 	if (r)
1348 		goto error_pasid;
1349 
1350 	r = amdgpu_vm_init(adev, &fpriv->vm, fpriv->xcp_id);
1351 	if (r)
1352 		goto error_pasid;
1353 
1354 	r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
1355 	if (r)
1356 		goto error_vm;
1357 
1358 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1359 	if (!fpriv->prt_va) {
1360 		r = -ENOMEM;
1361 		goto error_vm;
1362 	}
1363 
1364 	if (adev->gfx.mcbp) {
1365 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1366 
1367 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1368 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1369 		if (r)
1370 			goto error_vm;
1371 	}
1372 
1373 	mutex_init(&fpriv->bo_list_lock);
1374 	idr_init_base(&fpriv->bo_list_handles, 1);
1375 
1376 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr, adev);
1377 
1378 	file_priv->driver_priv = fpriv;
1379 	goto out_suspend;
1380 
1381 error_vm:
1382 	amdgpu_vm_fini(adev, &fpriv->vm);
1383 
1384 error_pasid:
1385 	if (pasid) {
1386 		amdgpu_pasid_free(pasid);
1387 		amdgpu_vm_set_pasid(adev, &fpriv->vm, 0);
1388 	}
1389 
1390 	kfree(fpriv);
1391 
1392 out_suspend:
1393 	pm_runtime_mark_last_busy(dev->dev);
1394 pm_put:
1395 	pm_runtime_put_autosuspend(dev->dev);
1396 
1397 	return r;
1398 }
1399 
1400 /**
1401  * amdgpu_driver_postclose_kms - drm callback for post close
1402  *
1403  * @dev: drm dev pointer
1404  * @file_priv: drm file
1405  *
1406  * On device post close, tear down vm on cayman+ (all asics).
1407  */
1408 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1409 				 struct drm_file *file_priv)
1410 {
1411 	struct amdgpu_device *adev = drm_to_adev(dev);
1412 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1413 	struct amdgpu_bo_list *list;
1414 	struct amdgpu_bo *pd;
1415 	u32 pasid;
1416 	int handle;
1417 
1418 	if (!fpriv)
1419 		return;
1420 
1421 	pm_runtime_get_sync(dev->dev);
1422 
1423 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1424 		amdgpu_uvd_free_handles(adev, file_priv);
1425 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1426 		amdgpu_vce_free_handles(adev, file_priv);
1427 
1428 	if (fpriv->csa_va) {
1429 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1430 
1431 		WARN_ON(amdgpu_unmap_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1432 						fpriv->csa_va, csa_addr));
1433 		fpriv->csa_va = NULL;
1434 	}
1435 
1436 	amdgpu_seq64_unmap(adev, fpriv);
1437 
1438 	pasid = fpriv->vm.pasid;
1439 	pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1440 	if (!WARN_ON(amdgpu_bo_reserve(pd, true))) {
1441 		amdgpu_vm_bo_del(adev, fpriv->prt_va);
1442 		amdgpu_bo_unreserve(pd);
1443 	}
1444 
1445 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1446 	amdgpu_vm_fini(adev, &fpriv->vm);
1447 
1448 	if (pasid)
1449 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1450 	amdgpu_bo_unref(&pd);
1451 
1452 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1453 		amdgpu_bo_list_put(list);
1454 
1455 	idr_destroy(&fpriv->bo_list_handles);
1456 	mutex_destroy(&fpriv->bo_list_lock);
1457 
1458 	kfree(fpriv);
1459 	file_priv->driver_priv = NULL;
1460 
1461 	pm_runtime_mark_last_busy(dev->dev);
1462 	pm_runtime_put_autosuspend(dev->dev);
1463 }
1464 
1465 
1466 void amdgpu_driver_release_kms(struct drm_device *dev)
1467 {
1468 	struct amdgpu_device *adev = drm_to_adev(dev);
1469 
1470 	amdgpu_device_fini_sw(adev);
1471 	pci_set_drvdata(adev->pdev, NULL);
1472 }
1473 
1474 /*
1475  * VBlank related functions.
1476  */
1477 /**
1478  * amdgpu_get_vblank_counter_kms - get frame count
1479  *
1480  * @crtc: crtc to get the frame count from
1481  *
1482  * Gets the frame count on the requested crtc (all asics).
1483  * Returns frame count on success, -EINVAL on failure.
1484  */
1485 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1486 {
1487 	struct drm_device *dev = crtc->dev;
1488 	unsigned int pipe = crtc->index;
1489 	struct amdgpu_device *adev = drm_to_adev(dev);
1490 	int vpos, hpos, stat;
1491 	u32 count;
1492 
1493 	if (pipe >= adev->mode_info.num_crtc) {
1494 		DRM_ERROR("Invalid crtc %u\n", pipe);
1495 		return -EINVAL;
1496 	}
1497 
1498 	/* The hw increments its frame counter at start of vsync, not at start
1499 	 * of vblank, as is required by DRM core vblank counter handling.
1500 	 * Cook the hw count here to make it appear to the caller as if it
1501 	 * incremented at start of vblank. We measure distance to start of
1502 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1503 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1504 	 * result by 1 to give the proper appearance to caller.
1505 	 */
1506 	if (adev->mode_info.crtcs[pipe]) {
1507 		/* Repeat readout if needed to provide stable result if
1508 		 * we cross start of vsync during the queries.
1509 		 */
1510 		do {
1511 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1512 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1513 			 * vpos as distance to start of vblank, instead of
1514 			 * regular vertical scanout pos.
1515 			 */
1516 			stat = amdgpu_display_get_crtc_scanoutpos(
1517 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1518 				&vpos, &hpos, NULL, NULL,
1519 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1520 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1521 
1522 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1523 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1524 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1525 		} else {
1526 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1527 				      pipe, vpos);
1528 
1529 			/* Bump counter if we are at >= leading edge of vblank,
1530 			 * but before vsync where vpos would turn negative and
1531 			 * the hw counter really increments.
1532 			 */
1533 			if (vpos >= 0)
1534 				count++;
1535 		}
1536 	} else {
1537 		/* Fallback to use value as is. */
1538 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1539 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1540 	}
1541 
1542 	return count;
1543 }
1544 
1545 /**
1546  * amdgpu_enable_vblank_kms - enable vblank interrupt
1547  *
1548  * @crtc: crtc to enable vblank interrupt for
1549  *
1550  * Enable the interrupt on the requested crtc (all asics).
1551  * Returns 0 on success, -EINVAL on failure.
1552  */
1553 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1554 {
1555 	struct drm_device *dev = crtc->dev;
1556 	unsigned int pipe = crtc->index;
1557 	struct amdgpu_device *adev = drm_to_adev(dev);
1558 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1559 
1560 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1561 }
1562 
1563 /**
1564  * amdgpu_disable_vblank_kms - disable vblank interrupt
1565  *
1566  * @crtc: crtc to disable vblank interrupt for
1567  *
1568  * Disable the interrupt on the requested crtc (all asics).
1569  */
1570 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1571 {
1572 	struct drm_device *dev = crtc->dev;
1573 	unsigned int pipe = crtc->index;
1574 	struct amdgpu_device *adev = drm_to_adev(dev);
1575 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1576 
1577 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1578 }
1579 
1580 /*
1581  * Debugfs info
1582  */
1583 #if defined(CONFIG_DEBUG_FS)
1584 
1585 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1586 {
1587 	struct amdgpu_device *adev = m->private;
1588 	struct drm_amdgpu_info_firmware fw_info;
1589 	struct drm_amdgpu_query_fw query_fw;
1590 	struct atom_context *ctx = adev->mode_info.atom_context;
1591 	uint8_t smu_program, smu_major, smu_minor, smu_debug;
1592 	int ret, i;
1593 
1594 	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1595 #define TA_FW_NAME(type)[TA_FW_TYPE_PSP_##type] = #type
1596 		TA_FW_NAME(XGMI),
1597 		TA_FW_NAME(RAS),
1598 		TA_FW_NAME(HDCP),
1599 		TA_FW_NAME(DTM),
1600 		TA_FW_NAME(RAP),
1601 		TA_FW_NAME(SECUREDISPLAY),
1602 #undef TA_FW_NAME
1603 	};
1604 
1605 	/* VCE */
1606 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1607 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1608 	if (ret)
1609 		return ret;
1610 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1611 		   fw_info.feature, fw_info.ver);
1612 
1613 	/* UVD */
1614 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1615 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1616 	if (ret)
1617 		return ret;
1618 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1619 		   fw_info.feature, fw_info.ver);
1620 
1621 	/* GMC */
1622 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1623 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1624 	if (ret)
1625 		return ret;
1626 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1627 		   fw_info.feature, fw_info.ver);
1628 
1629 	/* ME */
1630 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1631 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1632 	if (ret)
1633 		return ret;
1634 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1635 		   fw_info.feature, fw_info.ver);
1636 
1637 	/* PFP */
1638 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1639 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1640 	if (ret)
1641 		return ret;
1642 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1643 		   fw_info.feature, fw_info.ver);
1644 
1645 	/* CE */
1646 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1647 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1648 	if (ret)
1649 		return ret;
1650 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1651 		   fw_info.feature, fw_info.ver);
1652 
1653 	/* RLC */
1654 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1655 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1656 	if (ret)
1657 		return ret;
1658 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1659 		   fw_info.feature, fw_info.ver);
1660 
1661 	/* RLC SAVE RESTORE LIST CNTL */
1662 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1663 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1664 	if (ret)
1665 		return ret;
1666 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1667 		   fw_info.feature, fw_info.ver);
1668 
1669 	/* RLC SAVE RESTORE LIST GPM MEM */
1670 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1671 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1672 	if (ret)
1673 		return ret;
1674 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1675 		   fw_info.feature, fw_info.ver);
1676 
1677 	/* RLC SAVE RESTORE LIST SRM MEM */
1678 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1679 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1680 	if (ret)
1681 		return ret;
1682 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1683 		   fw_info.feature, fw_info.ver);
1684 
1685 	/* RLCP */
1686 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCP;
1687 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1688 	if (ret)
1689 		return ret;
1690 	seq_printf(m, "RLCP feature version: %u, firmware version: 0x%08x\n",
1691 		   fw_info.feature, fw_info.ver);
1692 
1693 	/* RLCV */
1694 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCV;
1695 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1696 	if (ret)
1697 		return ret;
1698 	seq_printf(m, "RLCV feature version: %u, firmware version: 0x%08x\n",
1699 		   fw_info.feature, fw_info.ver);
1700 
1701 	/* MEC */
1702 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1703 	query_fw.index = 0;
1704 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1705 	if (ret)
1706 		return ret;
1707 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1708 		   fw_info.feature, fw_info.ver);
1709 
1710 	/* MEC2 */
1711 	if (adev->gfx.mec2_fw) {
1712 		query_fw.index = 1;
1713 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1714 		if (ret)
1715 			return ret;
1716 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1717 			   fw_info.feature, fw_info.ver);
1718 	}
1719 
1720 	/* IMU */
1721 	query_fw.fw_type = AMDGPU_INFO_FW_IMU;
1722 	query_fw.index = 0;
1723 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1724 	if (ret)
1725 		return ret;
1726 	seq_printf(m, "IMU feature version: %u, firmware version: 0x%08x\n",
1727 		   fw_info.feature, fw_info.ver);
1728 
1729 	/* PSP SOS */
1730 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1731 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1732 	if (ret)
1733 		return ret;
1734 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1735 		   fw_info.feature, fw_info.ver);
1736 
1737 
1738 	/* PSP ASD */
1739 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1740 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1741 	if (ret)
1742 		return ret;
1743 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1744 		   fw_info.feature, fw_info.ver);
1745 
1746 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1747 	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1748 		query_fw.index = i;
1749 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1750 		if (ret)
1751 			continue;
1752 
1753 		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1754 			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1755 	}
1756 
1757 	/* SMC */
1758 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1759 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1760 	if (ret)
1761 		return ret;
1762 	smu_program = (fw_info.ver >> 24) & 0xff;
1763 	smu_major = (fw_info.ver >> 16) & 0xff;
1764 	smu_minor = (fw_info.ver >> 8) & 0xff;
1765 	smu_debug = (fw_info.ver >> 0) & 0xff;
1766 	seq_printf(m, "SMC feature version: %u, program: %d, firmware version: 0x%08x (%d.%d.%d)\n",
1767 		   fw_info.feature, smu_program, fw_info.ver, smu_major, smu_minor, smu_debug);
1768 
1769 	/* SDMA */
1770 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1771 	for (i = 0; i < adev->sdma.num_instances; i++) {
1772 		query_fw.index = i;
1773 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1774 		if (ret)
1775 			return ret;
1776 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1777 			   i, fw_info.feature, fw_info.ver);
1778 	}
1779 
1780 	/* VCN */
1781 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1782 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1783 	if (ret)
1784 		return ret;
1785 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1786 		   fw_info.feature, fw_info.ver);
1787 
1788 	/* DMCU */
1789 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1790 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1791 	if (ret)
1792 		return ret;
1793 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1794 		   fw_info.feature, fw_info.ver);
1795 
1796 	/* DMCUB */
1797 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1798 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1799 	if (ret)
1800 		return ret;
1801 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1802 		   fw_info.feature, fw_info.ver);
1803 
1804 	/* TOC */
1805 	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1806 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1807 	if (ret)
1808 		return ret;
1809 	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1810 		   fw_info.feature, fw_info.ver);
1811 
1812 	/* CAP */
1813 	if (adev->psp.cap_fw) {
1814 		query_fw.fw_type = AMDGPU_INFO_FW_CAP;
1815 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1816 		if (ret)
1817 			return ret;
1818 		seq_printf(m, "CAP feature version: %u, firmware version: 0x%08x\n",
1819 				fw_info.feature, fw_info.ver);
1820 	}
1821 
1822 	/* MES_KIQ */
1823 	query_fw.fw_type = AMDGPU_INFO_FW_MES_KIQ;
1824 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1825 	if (ret)
1826 		return ret;
1827 	seq_printf(m, "MES_KIQ feature version: %u, firmware version: 0x%08x\n",
1828 		   fw_info.feature, fw_info.ver);
1829 
1830 	/* MES */
1831 	query_fw.fw_type = AMDGPU_INFO_FW_MES;
1832 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1833 	if (ret)
1834 		return ret;
1835 	seq_printf(m, "MES feature version: %u, firmware version: 0x%08x\n",
1836 		   fw_info.feature, fw_info.ver);
1837 
1838 	/* VPE */
1839 	query_fw.fw_type = AMDGPU_INFO_FW_VPE;
1840 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1841 	if (ret)
1842 		return ret;
1843 	seq_printf(m, "VPE feature version: %u, firmware version: 0x%08x\n",
1844 		   fw_info.feature, fw_info.ver);
1845 
1846 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_pn);
1847 
1848 	return 0;
1849 }
1850 
1851 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1852 
1853 #endif
1854 
1855 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1856 {
1857 #if defined(CONFIG_DEBUG_FS)
1858 	struct drm_minor *minor = adev_to_drm(adev)->primary;
1859 	struct dentry *root = minor->debugfs_root;
1860 
1861 	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1862 			    adev, &amdgpu_debugfs_firmware_info_fops);
1863 
1864 #endif
1865 }
1866