xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
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 "amdgpu_reset.h"
47 #include "amd_pcie.h"
48 
amdgpu_unregister_gpu_instance(struct amdgpu_device * adev)49 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
50 {
51 	struct amdgpu_gpu_instance *gpu_instance;
52 	int i;
53 
54 	mutex_lock(&mgpu_info.mutex);
55 
56 	for (i = 0; i < mgpu_info.num_gpu; i++) {
57 		gpu_instance = &(mgpu_info.gpu_ins[i]);
58 		if (gpu_instance->adev == adev) {
59 			mgpu_info.gpu_ins[i] =
60 				mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
61 			mgpu_info.num_gpu--;
62 			if (adev->flags & AMD_IS_APU)
63 				mgpu_info.num_apu--;
64 			else
65 				mgpu_info.num_dgpu--;
66 			break;
67 		}
68 	}
69 
70 	mutex_unlock(&mgpu_info.mutex);
71 }
72 
73 /**
74  * amdgpu_driver_unload_kms - Main unload function for KMS.
75  *
76  * @dev: drm dev pointer
77  *
78  * This is the main unload function for KMS (all asics).
79  * Returns 0 on success.
80  */
amdgpu_driver_unload_kms(struct drm_device * dev)81 void amdgpu_driver_unload_kms(struct drm_device *dev)
82 {
83 	struct amdgpu_device *adev = drm_to_adev(dev);
84 
85 	if (adev == NULL)
86 		return;
87 
88 	amdgpu_unregister_gpu_instance(adev);
89 
90 	if (adev->rmmio == NULL)
91 		return;
92 
93 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
94 		DRM_WARN("smart shift update failed\n");
95 
96 	amdgpu_acpi_fini(adev);
97 	amdgpu_device_fini_hw(adev);
98 }
99 
amdgpu_register_gpu_instance(struct amdgpu_device * adev)100 void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
101 {
102 	struct amdgpu_gpu_instance *gpu_instance;
103 
104 	mutex_lock(&mgpu_info.mutex);
105 
106 	if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
107 		DRM_ERROR("Cannot register more gpu instance\n");
108 		mutex_unlock(&mgpu_info.mutex);
109 		return;
110 	}
111 
112 	gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
113 	gpu_instance->adev = adev;
114 	gpu_instance->mgpu_fan_enabled = 0;
115 
116 	mgpu_info.num_gpu++;
117 	if (adev->flags & AMD_IS_APU)
118 		mgpu_info.num_apu++;
119 	else
120 		mgpu_info.num_dgpu++;
121 
122 	mutex_unlock(&mgpu_info.mutex);
123 }
124 
125 /**
126  * amdgpu_driver_load_kms - Main load function for KMS.
127  *
128  * @adev: pointer to struct amdgpu_device
129  * @flags: device flags
130  *
131  * This is the main load function for KMS (all asics).
132  * Returns 0 on success, error on failure.
133  */
amdgpu_driver_load_kms(struct amdgpu_device * adev,unsigned long flags)134 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
135 {
136 	struct drm_device *dev;
137 	int r, acpi_status;
138 
139 	dev = adev_to_drm(adev);
140 
141 	/* amdgpu_device_init should report only fatal error
142 	 * like memory allocation failure or iomapping failure,
143 	 * or memory manager initialization failure, it must
144 	 * properly initialize the GPU MC controller and permit
145 	 * VRAM allocation
146 	 */
147 	r = amdgpu_device_init(adev, flags);
148 	if (r) {
149 		dev_err(dev->dev, "Fatal error during GPU init\n");
150 		goto out;
151 	}
152 
153 	amdgpu_device_detect_runtime_pm_mode(adev);
154 
155 	/* Call ACPI methods: require modeset init
156 	 * but failure is not fatal
157 	 */
158 
159 	acpi_status = amdgpu_acpi_init(adev);
160 	if (acpi_status)
161 		dev_dbg(dev->dev, "Error during ACPI methods call\n");
162 
163 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
164 		DRM_WARN("smart shift update failed\n");
165 
166 out:
167 	if (r)
168 		amdgpu_driver_unload_kms(dev);
169 
170 	return r;
171 }
172 
173 static enum amd_ip_block_type
amdgpu_ip_get_block_type(struct amdgpu_device * adev,uint32_t ip)174 	amdgpu_ip_get_block_type(struct amdgpu_device *adev, uint32_t ip)
175 {
176 	enum amd_ip_block_type type;
177 
178 	switch (ip) {
179 	case AMDGPU_HW_IP_GFX:
180 		type = AMD_IP_BLOCK_TYPE_GFX;
181 		break;
182 	case AMDGPU_HW_IP_COMPUTE:
183 		type = AMD_IP_BLOCK_TYPE_GFX;
184 		break;
185 	case AMDGPU_HW_IP_DMA:
186 		type = AMD_IP_BLOCK_TYPE_SDMA;
187 		break;
188 	case AMDGPU_HW_IP_UVD:
189 	case AMDGPU_HW_IP_UVD_ENC:
190 		type = AMD_IP_BLOCK_TYPE_UVD;
191 		break;
192 	case AMDGPU_HW_IP_VCE:
193 		type = AMD_IP_BLOCK_TYPE_VCE;
194 		break;
195 	case AMDGPU_HW_IP_VCN_DEC:
196 	case AMDGPU_HW_IP_VCN_ENC:
197 		type = AMD_IP_BLOCK_TYPE_VCN;
198 		break;
199 	case AMDGPU_HW_IP_VCN_JPEG:
200 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
201 				   AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
202 		break;
203 	default:
204 		type = AMD_IP_BLOCK_TYPE_NUM;
205 		break;
206 	}
207 
208 	return type;
209 }
210 
amdgpu_firmware_info(struct drm_amdgpu_info_firmware * fw_info,struct drm_amdgpu_query_fw * query_fw,struct amdgpu_device * adev)211 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
212 				struct drm_amdgpu_query_fw *query_fw,
213 				struct amdgpu_device *adev)
214 {
215 	switch (query_fw->fw_type) {
216 	case AMDGPU_INFO_FW_VCE:
217 		fw_info->ver = adev->vce.fw_version;
218 		fw_info->feature = adev->vce.fb_version;
219 		break;
220 	case AMDGPU_INFO_FW_UVD:
221 		fw_info->ver = adev->uvd.fw_version;
222 		fw_info->feature = 0;
223 		break;
224 	case AMDGPU_INFO_FW_VCN:
225 		fw_info->ver = adev->vcn.fw_version;
226 		fw_info->feature = 0;
227 		break;
228 	case AMDGPU_INFO_FW_GMC:
229 		fw_info->ver = adev->gmc.fw_version;
230 		fw_info->feature = 0;
231 		break;
232 	case AMDGPU_INFO_FW_GFX_ME:
233 		fw_info->ver = adev->gfx.me_fw_version;
234 		fw_info->feature = adev->gfx.me_feature_version;
235 		break;
236 	case AMDGPU_INFO_FW_GFX_PFP:
237 		fw_info->ver = adev->gfx.pfp_fw_version;
238 		fw_info->feature = adev->gfx.pfp_feature_version;
239 		break;
240 	case AMDGPU_INFO_FW_GFX_CE:
241 		fw_info->ver = adev->gfx.ce_fw_version;
242 		fw_info->feature = adev->gfx.ce_feature_version;
243 		break;
244 	case AMDGPU_INFO_FW_GFX_RLC:
245 		fw_info->ver = adev->gfx.rlc_fw_version;
246 		fw_info->feature = adev->gfx.rlc_feature_version;
247 		break;
248 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
249 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
250 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
251 		break;
252 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
253 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
254 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
255 		break;
256 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
257 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
258 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
259 		break;
260 	case AMDGPU_INFO_FW_GFX_RLCP:
261 		fw_info->ver = adev->gfx.rlcp_ucode_version;
262 		fw_info->feature = adev->gfx.rlcp_ucode_feature_version;
263 		break;
264 	case AMDGPU_INFO_FW_GFX_RLCV:
265 		fw_info->ver = adev->gfx.rlcv_ucode_version;
266 		fw_info->feature = adev->gfx.rlcv_ucode_feature_version;
267 		break;
268 	case AMDGPU_INFO_FW_GFX_MEC:
269 		if (query_fw->index == 0) {
270 			fw_info->ver = adev->gfx.mec_fw_version;
271 			fw_info->feature = adev->gfx.mec_feature_version;
272 		} else if (query_fw->index == 1) {
273 			fw_info->ver = adev->gfx.mec2_fw_version;
274 			fw_info->feature = adev->gfx.mec2_feature_version;
275 		} else
276 			return -EINVAL;
277 		break;
278 	case AMDGPU_INFO_FW_SMC:
279 		fw_info->ver = adev->pm.fw_version;
280 		fw_info->feature = 0;
281 		break;
282 	case AMDGPU_INFO_FW_TA:
283 		switch (query_fw->index) {
284 		case TA_FW_TYPE_PSP_XGMI:
285 			fw_info->ver = adev->psp.xgmi_context.context.bin_desc.fw_version;
286 			fw_info->feature = adev->psp.xgmi_context.context
287 						   .bin_desc.feature_version;
288 			break;
289 		case TA_FW_TYPE_PSP_RAS:
290 			fw_info->ver = adev->psp.ras_context.context.bin_desc.fw_version;
291 			fw_info->feature = adev->psp.ras_context.context
292 						   .bin_desc.feature_version;
293 			break;
294 		case TA_FW_TYPE_PSP_HDCP:
295 			fw_info->ver = adev->psp.hdcp_context.context.bin_desc.fw_version;
296 			fw_info->feature = adev->psp.hdcp_context.context
297 						   .bin_desc.feature_version;
298 			break;
299 		case TA_FW_TYPE_PSP_DTM:
300 			fw_info->ver = adev->psp.dtm_context.context.bin_desc.fw_version;
301 			fw_info->feature = adev->psp.dtm_context.context
302 						   .bin_desc.feature_version;
303 			break;
304 		case TA_FW_TYPE_PSP_RAP:
305 			fw_info->ver = adev->psp.rap_context.context.bin_desc.fw_version;
306 			fw_info->feature = adev->psp.rap_context.context
307 						   .bin_desc.feature_version;
308 			break;
309 		case TA_FW_TYPE_PSP_SECUREDISPLAY:
310 			fw_info->ver = adev->psp.securedisplay_context.context.bin_desc.fw_version;
311 			fw_info->feature =
312 				adev->psp.securedisplay_context.context.bin_desc
313 					.feature_version;
314 			break;
315 		default:
316 			return -EINVAL;
317 		}
318 		break;
319 	case AMDGPU_INFO_FW_SDMA:
320 		if (query_fw->index >= adev->sdma.num_instances)
321 			return -EINVAL;
322 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
323 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
324 		break;
325 	case AMDGPU_INFO_FW_SOS:
326 		fw_info->ver = adev->psp.sos.fw_version;
327 		fw_info->feature = adev->psp.sos.feature_version;
328 		break;
329 	case AMDGPU_INFO_FW_ASD:
330 		fw_info->ver = adev->psp.asd_context.bin_desc.fw_version;
331 		fw_info->feature = adev->psp.asd_context.bin_desc.feature_version;
332 		break;
333 	case AMDGPU_INFO_FW_DMCU:
334 		fw_info->ver = adev->dm.dmcu_fw_version;
335 		fw_info->feature = 0;
336 		break;
337 	case AMDGPU_INFO_FW_DMCUB:
338 		fw_info->ver = adev->dm.dmcub_fw_version;
339 		fw_info->feature = 0;
340 		break;
341 	case AMDGPU_INFO_FW_TOC:
342 		fw_info->ver = adev->psp.toc.fw_version;
343 		fw_info->feature = adev->psp.toc.feature_version;
344 		break;
345 	case AMDGPU_INFO_FW_CAP:
346 		fw_info->ver = adev->psp.cap_fw_version;
347 		fw_info->feature = adev->psp.cap_feature_version;
348 		break;
349 	case AMDGPU_INFO_FW_MES_KIQ:
350 		fw_info->ver = adev->mes.kiq_version & AMDGPU_MES_VERSION_MASK;
351 		fw_info->feature = (adev->mes.kiq_version & AMDGPU_MES_FEAT_VERSION_MASK)
352 					>> AMDGPU_MES_FEAT_VERSION_SHIFT;
353 		break;
354 	case AMDGPU_INFO_FW_MES:
355 		fw_info->ver = adev->mes.sched_version & AMDGPU_MES_VERSION_MASK;
356 		fw_info->feature = (adev->mes.sched_version & AMDGPU_MES_FEAT_VERSION_MASK)
357 					>> AMDGPU_MES_FEAT_VERSION_SHIFT;
358 		break;
359 	case AMDGPU_INFO_FW_IMU:
360 		fw_info->ver = adev->gfx.imu_fw_version;
361 		fw_info->feature = 0;
362 		break;
363 	case AMDGPU_INFO_FW_VPE:
364 		fw_info->ver = adev->vpe.fw_version;
365 		fw_info->feature = adev->vpe.feature_version;
366 		break;
367 	default:
368 		return -EINVAL;
369 	}
370 	return 0;
371 }
372 
amdgpu_hw_ip_info(struct amdgpu_device * adev,struct drm_amdgpu_info * info,struct drm_amdgpu_info_hw_ip * result)373 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
374 			     struct drm_amdgpu_info *info,
375 			     struct drm_amdgpu_info_hw_ip *result)
376 {
377 	uint32_t ib_start_alignment = 0;
378 	uint32_t ib_size_alignment = 0;
379 	enum amd_ip_block_type type;
380 	unsigned int num_rings = 0;
381 	unsigned int i, j;
382 
383 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
384 		return -EINVAL;
385 
386 	switch (info->query_hw_ip.type) {
387 	case AMDGPU_HW_IP_GFX:
388 		type = AMD_IP_BLOCK_TYPE_GFX;
389 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
390 			if (adev->gfx.gfx_ring[i].sched.ready)
391 				++num_rings;
392 		ib_start_alignment = 32;
393 		ib_size_alignment = 32;
394 		break;
395 	case AMDGPU_HW_IP_COMPUTE:
396 		type = AMD_IP_BLOCK_TYPE_GFX;
397 		for (i = 0; i < adev->gfx.num_compute_rings; i++)
398 			if (adev->gfx.compute_ring[i].sched.ready)
399 				++num_rings;
400 		ib_start_alignment = 32;
401 		ib_size_alignment = 32;
402 		break;
403 	case AMDGPU_HW_IP_DMA:
404 		type = AMD_IP_BLOCK_TYPE_SDMA;
405 		for (i = 0; i < adev->sdma.num_instances; i++)
406 			if (adev->sdma.instance[i].ring.sched.ready)
407 				++num_rings;
408 		ib_start_alignment = 256;
409 		ib_size_alignment = 4;
410 		break;
411 	case AMDGPU_HW_IP_UVD:
412 		type = AMD_IP_BLOCK_TYPE_UVD;
413 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
414 			if (adev->uvd.harvest_config & (1 << i))
415 				continue;
416 
417 			if (adev->uvd.inst[i].ring.sched.ready)
418 				++num_rings;
419 		}
420 		ib_start_alignment = 256;
421 		ib_size_alignment = 64;
422 		break;
423 	case AMDGPU_HW_IP_VCE:
424 		type = AMD_IP_BLOCK_TYPE_VCE;
425 		for (i = 0; i < adev->vce.num_rings; i++)
426 			if (adev->vce.ring[i].sched.ready)
427 				++num_rings;
428 		ib_start_alignment = 256;
429 		ib_size_alignment = 4;
430 		break;
431 	case AMDGPU_HW_IP_UVD_ENC:
432 		type = AMD_IP_BLOCK_TYPE_UVD;
433 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
434 			if (adev->uvd.harvest_config & (1 << i))
435 				continue;
436 
437 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
438 				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
439 					++num_rings;
440 		}
441 		ib_start_alignment = 256;
442 		ib_size_alignment = 4;
443 		break;
444 	case AMDGPU_HW_IP_VCN_DEC:
445 		type = AMD_IP_BLOCK_TYPE_VCN;
446 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
447 			if (adev->vcn.harvest_config & (1 << i))
448 				continue;
449 
450 			if (adev->vcn.inst[i].ring_dec.sched.ready)
451 				++num_rings;
452 		}
453 		ib_start_alignment = 256;
454 		ib_size_alignment = 64;
455 		break;
456 	case AMDGPU_HW_IP_VCN_ENC:
457 		type = AMD_IP_BLOCK_TYPE_VCN;
458 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
459 			if (adev->vcn.harvest_config & (1 << i))
460 				continue;
461 
462 			for (j = 0; j < adev->vcn.num_enc_rings; j++)
463 				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
464 					++num_rings;
465 		}
466 		ib_start_alignment = 256;
467 		ib_size_alignment = 4;
468 		break;
469 	case AMDGPU_HW_IP_VCN_JPEG:
470 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
471 			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
472 
473 		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
474 			if (adev->jpeg.harvest_config & (1 << i))
475 				continue;
476 
477 			for (j = 0; j < adev->jpeg.num_jpeg_rings; j++)
478 				if (adev->jpeg.inst[i].ring_dec[j].sched.ready)
479 					++num_rings;
480 		}
481 		ib_start_alignment = 256;
482 		ib_size_alignment = 64;
483 		break;
484 	case AMDGPU_HW_IP_VPE:
485 		type = AMD_IP_BLOCK_TYPE_VPE;
486 		if (adev->vpe.ring.sched.ready)
487 			++num_rings;
488 		ib_start_alignment = 256;
489 		ib_size_alignment = 4;
490 		break;
491 	default:
492 		return -EINVAL;
493 	}
494 
495 	for (i = 0; i < adev->num_ip_blocks; i++)
496 		if (adev->ip_blocks[i].version->type == type &&
497 		    adev->ip_blocks[i].status.valid)
498 			break;
499 
500 	if (i == adev->num_ip_blocks)
501 		return 0;
502 
503 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
504 			num_rings);
505 
506 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
507 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
508 
509 	if (adev->asic_type >= CHIP_VEGA10) {
510 		switch (type) {
511 		case AMD_IP_BLOCK_TYPE_GFX:
512 			result->ip_discovery_version =
513 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, GC_HWIP, 0));
514 			break;
515 		case AMD_IP_BLOCK_TYPE_SDMA:
516 			result->ip_discovery_version =
517 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, SDMA0_HWIP, 0));
518 			break;
519 		case AMD_IP_BLOCK_TYPE_UVD:
520 		case AMD_IP_BLOCK_TYPE_VCN:
521 		case AMD_IP_BLOCK_TYPE_JPEG:
522 			result->ip_discovery_version =
523 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, UVD_HWIP, 0));
524 			break;
525 		case AMD_IP_BLOCK_TYPE_VCE:
526 			result->ip_discovery_version =
527 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VCE_HWIP, 0));
528 			break;
529 		case AMD_IP_BLOCK_TYPE_VPE:
530 			result->ip_discovery_version =
531 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VPE_HWIP, 0));
532 			break;
533 		default:
534 			result->ip_discovery_version = 0;
535 			break;
536 		}
537 	} else {
538 		result->ip_discovery_version = 0;
539 	}
540 	result->capabilities_flags = 0;
541 	result->available_rings = (1 << num_rings) - 1;
542 	result->ib_start_alignment = ib_start_alignment;
543 	result->ib_size_alignment = ib_size_alignment;
544 	return 0;
545 }
546 
547 /*
548  * Userspace get information ioctl
549  */
550 /**
551  * amdgpu_info_ioctl - answer a device specific request.
552  *
553  * @dev: drm device pointer
554  * @data: request object
555  * @filp: drm filp
556  *
557  * This function is used to pass device specific parameters to the userspace
558  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
559  * etc. (all asics).
560  * Returns 0 on success, -EINVAL on failure.
561  */
amdgpu_info_ioctl(struct drm_device * dev,void * data,struct drm_file * filp)562 int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
563 {
564 	struct amdgpu_device *adev = drm_to_adev(dev);
565 	struct drm_amdgpu_info *info = data;
566 	struct amdgpu_mode_info *minfo = &adev->mode_info;
567 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
568 	struct amdgpu_fpriv *fpriv;
569 	struct amdgpu_ip_block *ip_block;
570 	enum amd_ip_block_type type;
571 	struct amdgpu_xcp *xcp;
572 	u32 count, inst_mask;
573 	uint32_t size = info->return_size;
574 	struct drm_crtc *crtc;
575 	uint32_t ui32 = 0;
576 	uint64_t ui64 = 0;
577 	int i, found, ret;
578 	int ui32_size = sizeof(ui32);
579 
580 	if (!info->return_size || !info->return_pointer)
581 		return -EINVAL;
582 
583 	switch (info->query) {
584 	case AMDGPU_INFO_ACCEL_WORKING:
585 		ui32 = adev->accel_working;
586 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
587 	case AMDGPU_INFO_CRTC_FROM_ID:
588 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
589 			crtc = (struct drm_crtc *)minfo->crtcs[i];
590 			if (crtc && crtc->base.id == info->mode_crtc.id) {
591 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
592 
593 				ui32 = amdgpu_crtc->crtc_id;
594 				found = 1;
595 				break;
596 			}
597 		}
598 		if (!found) {
599 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
600 			return -EINVAL;
601 		}
602 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
603 	case AMDGPU_INFO_HW_IP_INFO: {
604 		struct drm_amdgpu_info_hw_ip ip = {};
605 
606 		ret = amdgpu_hw_ip_info(adev, info, &ip);
607 		if (ret)
608 			return ret;
609 
610 		ret = copy_to_user(out, &ip, min_t(size_t, size, sizeof(ip)));
611 		return ret ? -EFAULT : 0;
612 	}
613 	case AMDGPU_INFO_HW_IP_COUNT: {
614 		fpriv = (struct amdgpu_fpriv *)filp->driver_priv;
615 		type = amdgpu_ip_get_block_type(adev, info->query_hw_ip.type);
616 		ip_block = amdgpu_device_ip_get_ip_block(adev, type);
617 
618 		if (!ip_block || !ip_block->status.valid)
619 			return -EINVAL;
620 
621 		if (adev->xcp_mgr && adev->xcp_mgr->num_xcps > 0 &&
622 		    fpriv->xcp_id < adev->xcp_mgr->num_xcps) {
623 			xcp = &adev->xcp_mgr->xcp[fpriv->xcp_id];
624 			switch (type) {
625 			case AMD_IP_BLOCK_TYPE_GFX:
626 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_GFX, &inst_mask);
627 				if (ret)
628 					return ret;
629 				count = hweight32(inst_mask);
630 				break;
631 			case AMD_IP_BLOCK_TYPE_SDMA:
632 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_SDMA, &inst_mask);
633 				if (ret)
634 					return ret;
635 				count = hweight32(inst_mask);
636 				break;
637 			case AMD_IP_BLOCK_TYPE_JPEG:
638 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
639 				if (ret)
640 					return ret;
641 				count = hweight32(inst_mask) * adev->jpeg.num_jpeg_rings;
642 				break;
643 			case AMD_IP_BLOCK_TYPE_VCN:
644 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
645 				if (ret)
646 					return ret;
647 				count = hweight32(inst_mask);
648 				break;
649 			default:
650 				return -EINVAL;
651 			}
652 
653 			return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
654 		}
655 
656 		switch (type) {
657 		case AMD_IP_BLOCK_TYPE_GFX:
658 		case AMD_IP_BLOCK_TYPE_VCE:
659 			count = 1;
660 			break;
661 		case AMD_IP_BLOCK_TYPE_SDMA:
662 			count = adev->sdma.num_instances;
663 			break;
664 		case AMD_IP_BLOCK_TYPE_JPEG:
665 			count = adev->jpeg.num_jpeg_inst * adev->jpeg.num_jpeg_rings;
666 			break;
667 		case AMD_IP_BLOCK_TYPE_VCN:
668 			count = adev->vcn.num_vcn_inst;
669 			break;
670 		case AMD_IP_BLOCK_TYPE_UVD:
671 			count = adev->uvd.num_uvd_inst;
672 			break;
673 		/* For all other IP block types not listed in the switch statement
674 		 * the ip status is valid here and the instance count is one.
675 		 */
676 		default:
677 			count = 1;
678 			break;
679 		}
680 
681 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
682 	}
683 	case AMDGPU_INFO_TIMESTAMP:
684 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
685 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
686 	case AMDGPU_INFO_FW_VERSION: {
687 		struct drm_amdgpu_info_firmware fw_info;
688 
689 		/* We only support one instance of each IP block right now. */
690 		if (info->query_fw.ip_instance != 0)
691 			return -EINVAL;
692 
693 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
694 		if (ret)
695 			return ret;
696 
697 		return copy_to_user(out, &fw_info,
698 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
699 	}
700 	case AMDGPU_INFO_NUM_BYTES_MOVED:
701 		ui64 = atomic64_read(&adev->num_bytes_moved);
702 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
703 	case AMDGPU_INFO_NUM_EVICTIONS:
704 		ui64 = atomic64_read(&adev->num_evictions);
705 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
706 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
707 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
708 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
709 	case AMDGPU_INFO_VRAM_USAGE:
710 		ui64 = ttm_resource_manager_usage(&adev->mman.vram_mgr.manager);
711 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
712 	case AMDGPU_INFO_VIS_VRAM_USAGE:
713 		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
714 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
715 	case AMDGPU_INFO_GTT_USAGE:
716 		ui64 = ttm_resource_manager_usage(&adev->mman.gtt_mgr.manager);
717 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
718 	case AMDGPU_INFO_GDS_CONFIG: {
719 		struct drm_amdgpu_info_gds gds_info;
720 
721 		memset(&gds_info, 0, sizeof(gds_info));
722 		gds_info.compute_partition_size = adev->gds.gds_size;
723 		gds_info.gds_total_size = adev->gds.gds_size;
724 		gds_info.gws_per_compute_partition = adev->gds.gws_size;
725 		gds_info.oa_per_compute_partition = adev->gds.oa_size;
726 		return copy_to_user(out, &gds_info,
727 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
728 	}
729 	case AMDGPU_INFO_VRAM_GTT: {
730 		struct drm_amdgpu_info_vram_gtt vram_gtt;
731 
732 		vram_gtt.vram_size = adev->gmc.real_vram_size -
733 			atomic64_read(&adev->vram_pin_size) -
734 			AMDGPU_VM_RESERVED_VRAM;
735 		vram_gtt.vram_cpu_accessible_size =
736 			min(adev->gmc.visible_vram_size -
737 			    atomic64_read(&adev->visible_pin_size),
738 			    vram_gtt.vram_size);
739 		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
740 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
741 		return copy_to_user(out, &vram_gtt,
742 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
743 	}
744 	case AMDGPU_INFO_MEMORY: {
745 		struct drm_amdgpu_memory_info mem;
746 		struct ttm_resource_manager *gtt_man =
747 			&adev->mman.gtt_mgr.manager;
748 		struct ttm_resource_manager *vram_man =
749 			&adev->mman.vram_mgr.manager;
750 
751 		memset(&mem, 0, sizeof(mem));
752 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
753 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
754 			atomic64_read(&adev->vram_pin_size) -
755 			AMDGPU_VM_RESERVED_VRAM;
756 		mem.vram.heap_usage =
757 			ttm_resource_manager_usage(vram_man);
758 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
759 
760 		mem.cpu_accessible_vram.total_heap_size =
761 			adev->gmc.visible_vram_size;
762 		mem.cpu_accessible_vram.usable_heap_size =
763 			min(adev->gmc.visible_vram_size -
764 			    atomic64_read(&adev->visible_pin_size),
765 			    mem.vram.usable_heap_size);
766 		mem.cpu_accessible_vram.heap_usage =
767 			amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
768 		mem.cpu_accessible_vram.max_allocation =
769 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
770 
771 		mem.gtt.total_heap_size = gtt_man->size;
772 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
773 			atomic64_read(&adev->gart_pin_size);
774 		mem.gtt.heap_usage = ttm_resource_manager_usage(gtt_man);
775 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
776 
777 		return copy_to_user(out, &mem,
778 				    min((size_t)size, sizeof(mem)))
779 				    ? -EFAULT : 0;
780 	}
781 	case AMDGPU_INFO_READ_MMR_REG: {
782 		int ret = 0;
783 		unsigned int n, alloc_size;
784 		uint32_t *regs;
785 		unsigned int se_num = (info->read_mmr_reg.instance >>
786 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
787 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
788 		unsigned int sh_num = (info->read_mmr_reg.instance >>
789 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
790 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
791 
792 		if (!down_read_trylock(&adev->reset_domain->sem))
793 			return -ENOENT;
794 
795 		/* set full masks if the userspace set all bits
796 		 * in the bitfields
797 		 */
798 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK) {
799 			se_num = 0xffffffff;
800 		} else if (se_num >= AMDGPU_GFX_MAX_SE) {
801 			ret = -EINVAL;
802 			goto out;
803 		}
804 
805 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK) {
806 			sh_num = 0xffffffff;
807 		} else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE) {
808 			ret = -EINVAL;
809 			goto out;
810 		}
811 
812 		if (info->read_mmr_reg.count > 128) {
813 			ret = -EINVAL;
814 			goto out;
815 		}
816 
817 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
818 		if (!regs) {
819 			ret = -ENOMEM;
820 			goto out;
821 		}
822 
823 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
824 
825 		amdgpu_gfx_off_ctrl(adev, false);
826 		for (i = 0; i < info->read_mmr_reg.count; i++) {
827 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
828 						      info->read_mmr_reg.dword_offset + i,
829 						      &regs[i])) {
830 				DRM_DEBUG_KMS("unallowed offset %#x\n",
831 					      info->read_mmr_reg.dword_offset + i);
832 				kfree(regs);
833 				amdgpu_gfx_off_ctrl(adev, true);
834 				ret = -EFAULT;
835 				goto out;
836 			}
837 		}
838 		amdgpu_gfx_off_ctrl(adev, true);
839 		n = copy_to_user(out, regs, min(size, alloc_size));
840 		kfree(regs);
841 		ret = (n ? -EFAULT : 0);
842 out:
843 		up_read(&adev->reset_domain->sem);
844 		return ret;
845 	}
846 	case AMDGPU_INFO_DEV_INFO: {
847 		struct drm_amdgpu_info_device *dev_info;
848 		uint64_t vm_size;
849 		uint32_t pcie_gen_mask;
850 
851 		dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
852 		if (!dev_info)
853 			return -ENOMEM;
854 
855 		dev_info->device_id = adev->pdev->device;
856 		dev_info->chip_rev = adev->rev_id;
857 		dev_info->external_rev = adev->external_rev_id;
858 		dev_info->pci_rev = adev->pdev->revision;
859 		dev_info->family = adev->family;
860 		dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
861 		dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
862 		/* return all clocks in KHz */
863 		dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
864 		if (adev->pm.dpm_enabled) {
865 			dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
866 			dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
867 			dev_info->min_engine_clock = amdgpu_dpm_get_sclk(adev, true) * 10;
868 			dev_info->min_memory_clock = amdgpu_dpm_get_mclk(adev, true) * 10;
869 		} else {
870 			dev_info->max_engine_clock =
871 				dev_info->min_engine_clock =
872 					adev->clock.default_sclk * 10;
873 			dev_info->max_memory_clock =
874 				dev_info->min_memory_clock =
875 					adev->clock.default_mclk * 10;
876 		}
877 		dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
878 		dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
879 			adev->gfx.config.max_shader_engines;
880 		dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
881 		dev_info->ids_flags = 0;
882 		if (adev->flags & AMD_IS_APU)
883 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
884 		if (adev->gfx.mcbp)
885 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
886 		if (amdgpu_is_tmz(adev))
887 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
888 		if (adev->gfx.config.ta_cntl2_truncate_coord_mode)
889 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD;
890 
891 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
892 		vm_size -= AMDGPU_VA_RESERVED_TOP;
893 
894 		/* Older VCE FW versions are buggy and can handle only 40bits */
895 		if (adev->vce.fw_version &&
896 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
897 			vm_size = min(vm_size, 1ULL << 40);
898 
899 		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_BOTTOM;
900 		dev_info->virtual_address_max =
901 			min(vm_size, AMDGPU_GMC_HOLE_START);
902 
903 		if (vm_size > AMDGPU_GMC_HOLE_START) {
904 			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
905 			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
906 		}
907 		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
908 		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
909 		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
910 		dev_info->cu_active_number = adev->gfx.cu_info.number;
911 		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
912 		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
913 		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
914 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
915 		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
916 		       sizeof(dev_info->cu_bitmap));
917 		dev_info->vram_type = adev->gmc.vram_type;
918 		dev_info->vram_bit_width = adev->gmc.vram_width;
919 		dev_info->vce_harvest_config = adev->vce.harvest_config;
920 		dev_info->gc_double_offchip_lds_buf =
921 			adev->gfx.config.double_offchip_lds_buf;
922 		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
923 		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
924 		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
925 		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
926 		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
927 		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
928 		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
929 
930 		if (adev->family >= AMDGPU_FAMILY_NV)
931 			dev_info->pa_sc_tile_steering_override =
932 				adev->gfx.config.pa_sc_tile_steering_override;
933 
934 		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
935 
936 		/* Combine the chip gen mask with the platform (CPU/mobo) mask. */
937 		pcie_gen_mask = adev->pm.pcie_gen_mask & (adev->pm.pcie_gen_mask >> 16);
938 		dev_info->pcie_gen = fls(pcie_gen_mask);
939 		dev_info->pcie_num_lanes =
940 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 ? 32 :
941 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 ? 16 :
942 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 ? 12 :
943 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 ? 8 :
944 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 ? 4 :
945 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 ? 2 : 1;
946 
947 		dev_info->tcp_cache_size = adev->gfx.config.gc_tcp_l1_size;
948 		dev_info->num_sqc_per_wgp = adev->gfx.config.gc_num_sqc_per_wgp;
949 		dev_info->sqc_data_cache_size = adev->gfx.config.gc_l1_data_cache_size_per_sqc;
950 		dev_info->sqc_inst_cache_size = adev->gfx.config.gc_l1_instruction_cache_size_per_sqc;
951 		dev_info->gl1c_cache_size = adev->gfx.config.gc_gl1c_size_per_instance *
952 					    adev->gfx.config.gc_gl1c_per_sa;
953 		dev_info->gl2c_cache_size = adev->gfx.config.gc_gl2c_per_gpu;
954 		dev_info->mall_size = adev->gmc.mall_size;
955 
956 
957 		if (adev->gfx.funcs->get_gfx_shadow_info) {
958 			struct amdgpu_gfx_shadow_info shadow_info;
959 
960 			ret = amdgpu_gfx_get_gfx_shadow_info(adev, &shadow_info);
961 			if (!ret) {
962 				dev_info->shadow_size = shadow_info.shadow_size;
963 				dev_info->shadow_alignment = shadow_info.shadow_alignment;
964 				dev_info->csa_size = shadow_info.csa_size;
965 				dev_info->csa_alignment = shadow_info.csa_alignment;
966 			}
967 		}
968 
969 		ret = copy_to_user(out, dev_info,
970 				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
971 		kfree(dev_info);
972 		return ret;
973 	}
974 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
975 		unsigned int i;
976 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
977 		struct amd_vce_state *vce_state;
978 
979 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
980 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
981 			if (vce_state) {
982 				vce_clk_table.entries[i].sclk = vce_state->sclk;
983 				vce_clk_table.entries[i].mclk = vce_state->mclk;
984 				vce_clk_table.entries[i].eclk = vce_state->evclk;
985 				vce_clk_table.num_valid_entries++;
986 			}
987 		}
988 
989 		return copy_to_user(out, &vce_clk_table,
990 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
991 	}
992 	case AMDGPU_INFO_VBIOS: {
993 		uint32_t bios_size = adev->bios_size;
994 
995 		switch (info->vbios_info.type) {
996 		case AMDGPU_INFO_VBIOS_SIZE:
997 			return copy_to_user(out, &bios_size,
998 					min((size_t)size, sizeof(bios_size)))
999 					? -EFAULT : 0;
1000 		case AMDGPU_INFO_VBIOS_IMAGE: {
1001 			uint8_t *bios;
1002 			uint32_t bios_offset = info->vbios_info.offset;
1003 
1004 			if (bios_offset >= bios_size)
1005 				return -EINVAL;
1006 
1007 			bios = adev->bios + bios_offset;
1008 			return copy_to_user(out, bios,
1009 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
1010 					? -EFAULT : 0;
1011 		}
1012 		case AMDGPU_INFO_VBIOS_INFO: {
1013 			struct drm_amdgpu_info_vbios vbios_info = {};
1014 			struct atom_context *atom_context;
1015 
1016 			atom_context = adev->mode_info.atom_context;
1017 			if (atom_context) {
1018 				memcpy(vbios_info.name, atom_context->name,
1019 				       sizeof(atom_context->name));
1020 				memcpy(vbios_info.vbios_pn, atom_context->vbios_pn,
1021 				       sizeof(atom_context->vbios_pn));
1022 				vbios_info.version = atom_context->version;
1023 				memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
1024 				       sizeof(atom_context->vbios_ver_str));
1025 				memcpy(vbios_info.date, atom_context->date,
1026 				       sizeof(atom_context->date));
1027 			}
1028 
1029 			return copy_to_user(out, &vbios_info,
1030 						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
1031 		}
1032 		default:
1033 			DRM_DEBUG_KMS("Invalid request %d\n",
1034 					info->vbios_info.type);
1035 			return -EINVAL;
1036 		}
1037 	}
1038 	case AMDGPU_INFO_NUM_HANDLES: {
1039 		struct drm_amdgpu_info_num_handles handle;
1040 
1041 		switch (info->query_hw_ip.type) {
1042 		case AMDGPU_HW_IP_UVD:
1043 			/* Starting Polaris, we support unlimited UVD handles */
1044 			if (adev->asic_type < CHIP_POLARIS10) {
1045 				handle.uvd_max_handles = adev->uvd.max_handles;
1046 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
1047 
1048 				return copy_to_user(out, &handle,
1049 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
1050 			} else {
1051 				return -ENODATA;
1052 			}
1053 
1054 			break;
1055 		default:
1056 			return -EINVAL;
1057 		}
1058 	}
1059 	case AMDGPU_INFO_SENSOR: {
1060 		if (!adev->pm.dpm_enabled)
1061 			return -ENOENT;
1062 
1063 		switch (info->sensor_info.type) {
1064 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
1065 			/* get sclk in Mhz */
1066 			if (amdgpu_dpm_read_sensor(adev,
1067 						   AMDGPU_PP_SENSOR_GFX_SCLK,
1068 						   (void *)&ui32, &ui32_size)) {
1069 				return -EINVAL;
1070 			}
1071 			ui32 /= 100;
1072 			break;
1073 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
1074 			/* get mclk in Mhz */
1075 			if (amdgpu_dpm_read_sensor(adev,
1076 						   AMDGPU_PP_SENSOR_GFX_MCLK,
1077 						   (void *)&ui32, &ui32_size)) {
1078 				return -EINVAL;
1079 			}
1080 			ui32 /= 100;
1081 			break;
1082 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
1083 			/* get temperature in millidegrees C */
1084 			if (amdgpu_dpm_read_sensor(adev,
1085 						   AMDGPU_PP_SENSOR_GPU_TEMP,
1086 						   (void *)&ui32, &ui32_size)) {
1087 				return -EINVAL;
1088 			}
1089 			break;
1090 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
1091 			/* get GPU load */
1092 			if (amdgpu_dpm_read_sensor(adev,
1093 						   AMDGPU_PP_SENSOR_GPU_LOAD,
1094 						   (void *)&ui32, &ui32_size)) {
1095 				return -EINVAL;
1096 			}
1097 			break;
1098 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
1099 			/* get average GPU power */
1100 			if (amdgpu_dpm_read_sensor(adev,
1101 						   AMDGPU_PP_SENSOR_GPU_AVG_POWER,
1102 						   (void *)&ui32, &ui32_size)) {
1103 				/* fall back to input power for backwards compat */
1104 				if (amdgpu_dpm_read_sensor(adev,
1105 							   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1106 							   (void *)&ui32, &ui32_size)) {
1107 					return -EINVAL;
1108 				}
1109 			}
1110 			ui32 >>= 8;
1111 			break;
1112 		case AMDGPU_INFO_SENSOR_GPU_INPUT_POWER:
1113 			/* get input GPU power */
1114 			if (amdgpu_dpm_read_sensor(adev,
1115 						   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1116 						   (void *)&ui32, &ui32_size)) {
1117 				return -EINVAL;
1118 			}
1119 			ui32 >>= 8;
1120 			break;
1121 		case AMDGPU_INFO_SENSOR_VDDNB:
1122 			/* get VDDNB in millivolts */
1123 			if (amdgpu_dpm_read_sensor(adev,
1124 						   AMDGPU_PP_SENSOR_VDDNB,
1125 						   (void *)&ui32, &ui32_size)) {
1126 				return -EINVAL;
1127 			}
1128 			break;
1129 		case AMDGPU_INFO_SENSOR_VDDGFX:
1130 			/* get VDDGFX in millivolts */
1131 			if (amdgpu_dpm_read_sensor(adev,
1132 						   AMDGPU_PP_SENSOR_VDDGFX,
1133 						   (void *)&ui32, &ui32_size)) {
1134 				return -EINVAL;
1135 			}
1136 			break;
1137 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1138 			/* get stable pstate sclk in Mhz */
1139 			if (amdgpu_dpm_read_sensor(adev,
1140 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1141 						   (void *)&ui32, &ui32_size)) {
1142 				return -EINVAL;
1143 			}
1144 			ui32 /= 100;
1145 			break;
1146 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1147 			/* get stable pstate mclk in Mhz */
1148 			if (amdgpu_dpm_read_sensor(adev,
1149 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1150 						   (void *)&ui32, &ui32_size)) {
1151 				return -EINVAL;
1152 			}
1153 			ui32 /= 100;
1154 			break;
1155 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK:
1156 			/* get peak pstate sclk in Mhz */
1157 			if (amdgpu_dpm_read_sensor(adev,
1158 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK,
1159 						   (void *)&ui32, &ui32_size)) {
1160 				return -EINVAL;
1161 			}
1162 			ui32 /= 100;
1163 			break;
1164 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK:
1165 			/* get peak pstate mclk in Mhz */
1166 			if (amdgpu_dpm_read_sensor(adev,
1167 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK,
1168 						   (void *)&ui32, &ui32_size)) {
1169 				return -EINVAL;
1170 			}
1171 			ui32 /= 100;
1172 			break;
1173 		default:
1174 			DRM_DEBUG_KMS("Invalid request %d\n",
1175 				      info->sensor_info.type);
1176 			return -EINVAL;
1177 		}
1178 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1179 	}
1180 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
1181 		ui32 = atomic_read(&adev->vram_lost_counter);
1182 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1183 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1184 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1185 		uint64_t ras_mask;
1186 
1187 		if (!ras)
1188 			return -EINVAL;
1189 		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1190 
1191 		return copy_to_user(out, &ras_mask,
1192 				min_t(u64, size, sizeof(ras_mask))) ?
1193 			-EFAULT : 0;
1194 	}
1195 	case AMDGPU_INFO_VIDEO_CAPS: {
1196 		const struct amdgpu_video_codecs *codecs;
1197 		struct drm_amdgpu_info_video_caps *caps;
1198 		int r;
1199 
1200 		if (!adev->asic_funcs->query_video_codecs)
1201 			return -EINVAL;
1202 
1203 		switch (info->video_cap.type) {
1204 		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1205 			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1206 			if (r)
1207 				return -EINVAL;
1208 			break;
1209 		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1210 			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1211 			if (r)
1212 				return -EINVAL;
1213 			break;
1214 		default:
1215 			DRM_DEBUG_KMS("Invalid request %d\n",
1216 				      info->video_cap.type);
1217 			return -EINVAL;
1218 		}
1219 
1220 		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1221 		if (!caps)
1222 			return -ENOMEM;
1223 
1224 		for (i = 0; i < codecs->codec_count; i++) {
1225 			int idx = codecs->codec_array[i].codec_type;
1226 
1227 			switch (idx) {
1228 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1229 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1230 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1231 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1232 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1233 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1234 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1235 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1236 				caps->codec_info[idx].valid = 1;
1237 				caps->codec_info[idx].max_width =
1238 					codecs->codec_array[i].max_width;
1239 				caps->codec_info[idx].max_height =
1240 					codecs->codec_array[i].max_height;
1241 				caps->codec_info[idx].max_pixels_per_frame =
1242 					codecs->codec_array[i].max_pixels_per_frame;
1243 				caps->codec_info[idx].max_level =
1244 					codecs->codec_array[i].max_level;
1245 				break;
1246 			default:
1247 				break;
1248 			}
1249 		}
1250 		r = copy_to_user(out, caps,
1251 				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1252 		kfree(caps);
1253 		return r;
1254 	}
1255 	case AMDGPU_INFO_MAX_IBS: {
1256 		uint32_t max_ibs[AMDGPU_HW_IP_NUM];
1257 
1258 		for (i = 0; i < AMDGPU_HW_IP_NUM; ++i)
1259 			max_ibs[i] = amdgpu_ring_max_ibs(i);
1260 
1261 		return copy_to_user(out, max_ibs,
1262 				    min((size_t)size, sizeof(max_ibs))) ? -EFAULT : 0;
1263 	}
1264 	case AMDGPU_INFO_GPUVM_FAULT: {
1265 		struct amdgpu_fpriv *fpriv = filp->driver_priv;
1266 		struct amdgpu_vm *vm = &fpriv->vm;
1267 		struct drm_amdgpu_info_gpuvm_fault gpuvm_fault;
1268 		unsigned long flags;
1269 
1270 		if (!vm)
1271 			return -EINVAL;
1272 
1273 		memset(&gpuvm_fault, 0, sizeof(gpuvm_fault));
1274 
1275 		xa_lock_irqsave(&adev->vm_manager.pasids, flags);
1276 		gpuvm_fault.addr = vm->fault_info.addr;
1277 		gpuvm_fault.status = vm->fault_info.status;
1278 		gpuvm_fault.vmhub = vm->fault_info.vmhub;
1279 		xa_unlock_irqrestore(&adev->vm_manager.pasids, flags);
1280 
1281 		return copy_to_user(out, &gpuvm_fault,
1282 				    min((size_t)size, sizeof(gpuvm_fault))) ? -EFAULT : 0;
1283 	}
1284 	default:
1285 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1286 		return -EINVAL;
1287 	}
1288 	return 0;
1289 }
1290 
1291 /**
1292  * amdgpu_driver_open_kms - drm callback for open
1293  *
1294  * @dev: drm dev pointer
1295  * @file_priv: drm file
1296  *
1297  * On device open, init vm on cayman+ (all asics).
1298  * Returns 0 on success, error on failure.
1299  */
amdgpu_driver_open_kms(struct drm_device * dev,struct drm_file * file_priv)1300 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1301 {
1302 	struct amdgpu_device *adev = drm_to_adev(dev);
1303 	struct amdgpu_fpriv *fpriv;
1304 	int r, pasid;
1305 
1306 	/* Ensure IB tests are run on ring */
1307 	flush_delayed_work(&adev->delayed_init_work);
1308 
1309 
1310 	if (amdgpu_ras_intr_triggered()) {
1311 		DRM_ERROR("RAS Intr triggered, device disabled!!");
1312 		return -EHWPOISON;
1313 	}
1314 
1315 	file_priv->driver_priv = NULL;
1316 
1317 	r = pm_runtime_get_sync(dev->dev);
1318 	if (r < 0)
1319 		goto pm_put;
1320 
1321 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1322 	if (unlikely(!fpriv)) {
1323 		r = -ENOMEM;
1324 		goto out_suspend;
1325 	}
1326 
1327 	pasid = amdgpu_pasid_alloc(16);
1328 	if (pasid < 0) {
1329 		dev_warn(adev->dev, "No more PASIDs available!");
1330 		pasid = 0;
1331 	}
1332 
1333 	r = amdgpu_xcp_open_device(adev, fpriv, file_priv);
1334 	if (r)
1335 		goto error_pasid;
1336 
1337 	r = amdgpu_vm_init(adev, &fpriv->vm, fpriv->xcp_id);
1338 	if (r)
1339 		goto error_pasid;
1340 
1341 	r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
1342 	if (r)
1343 		goto error_vm;
1344 
1345 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1346 	if (!fpriv->prt_va) {
1347 		r = -ENOMEM;
1348 		goto error_vm;
1349 	}
1350 
1351 	if (adev->gfx.mcbp) {
1352 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1353 
1354 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1355 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1356 		if (r)
1357 			goto error_vm;
1358 	}
1359 
1360 	r = amdgpu_seq64_map(adev, &fpriv->vm, &fpriv->seq64_va);
1361 	if (r)
1362 		goto error_vm;
1363 
1364 	mutex_init(&fpriv->bo_list_lock);
1365 	idr_init_base(&fpriv->bo_list_handles, 1);
1366 
1367 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr, adev);
1368 
1369 	file_priv->driver_priv = fpriv;
1370 	goto out_suspend;
1371 
1372 error_vm:
1373 	amdgpu_vm_fini(adev, &fpriv->vm);
1374 
1375 error_pasid:
1376 	if (pasid) {
1377 		amdgpu_pasid_free(pasid);
1378 		amdgpu_vm_set_pasid(adev, &fpriv->vm, 0);
1379 	}
1380 
1381 	kfree(fpriv);
1382 
1383 out_suspend:
1384 	pm_runtime_mark_last_busy(dev->dev);
1385 pm_put:
1386 	pm_runtime_put_autosuspend(dev->dev);
1387 
1388 	return r;
1389 }
1390 
1391 /**
1392  * amdgpu_driver_postclose_kms - drm callback for post close
1393  *
1394  * @dev: drm dev pointer
1395  * @file_priv: drm file
1396  *
1397  * On device post close, tear down vm on cayman+ (all asics).
1398  */
amdgpu_driver_postclose_kms(struct drm_device * dev,struct drm_file * file_priv)1399 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1400 				 struct drm_file *file_priv)
1401 {
1402 	struct amdgpu_device *adev = drm_to_adev(dev);
1403 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1404 	struct amdgpu_bo_list *list;
1405 	struct amdgpu_bo *pd;
1406 	u32 pasid;
1407 	int handle;
1408 
1409 	if (!fpriv)
1410 		return;
1411 
1412 	pm_runtime_get_sync(dev->dev);
1413 
1414 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1415 		amdgpu_uvd_free_handles(adev, file_priv);
1416 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1417 		amdgpu_vce_free_handles(adev, file_priv);
1418 
1419 	if (fpriv->csa_va) {
1420 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1421 
1422 		WARN_ON(amdgpu_unmap_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1423 						fpriv->csa_va, csa_addr));
1424 		fpriv->csa_va = NULL;
1425 	}
1426 
1427 	amdgpu_seq64_unmap(adev, fpriv);
1428 
1429 	pasid = fpriv->vm.pasid;
1430 	pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1431 	if (!WARN_ON(amdgpu_bo_reserve(pd, true))) {
1432 		amdgpu_vm_bo_del(adev, fpriv->prt_va);
1433 		amdgpu_bo_unreserve(pd);
1434 	}
1435 
1436 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1437 	amdgpu_vm_fini(adev, &fpriv->vm);
1438 
1439 	if (pasid)
1440 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1441 	amdgpu_bo_unref(&pd);
1442 
1443 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1444 		amdgpu_bo_list_put(list);
1445 
1446 	idr_destroy(&fpriv->bo_list_handles);
1447 	mutex_destroy(&fpriv->bo_list_lock);
1448 
1449 	kfree(fpriv);
1450 	file_priv->driver_priv = NULL;
1451 
1452 	pm_runtime_mark_last_busy(dev->dev);
1453 	pm_runtime_put_autosuspend(dev->dev);
1454 }
1455 
1456 
amdgpu_driver_release_kms(struct drm_device * dev)1457 void amdgpu_driver_release_kms(struct drm_device *dev)
1458 {
1459 	struct amdgpu_device *adev = drm_to_adev(dev);
1460 
1461 	amdgpu_device_fini_sw(adev);
1462 	pci_set_drvdata(adev->pdev, NULL);
1463 }
1464 
1465 /*
1466  * VBlank related functions.
1467  */
1468 /**
1469  * amdgpu_get_vblank_counter_kms - get frame count
1470  *
1471  * @crtc: crtc to get the frame count from
1472  *
1473  * Gets the frame count on the requested crtc (all asics).
1474  * Returns frame count on success, -EINVAL on failure.
1475  */
amdgpu_get_vblank_counter_kms(struct drm_crtc * crtc)1476 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1477 {
1478 	struct drm_device *dev = crtc->dev;
1479 	unsigned int pipe = crtc->index;
1480 	struct amdgpu_device *adev = drm_to_adev(dev);
1481 	int vpos, hpos, stat;
1482 	u32 count;
1483 
1484 	if (pipe >= adev->mode_info.num_crtc) {
1485 		DRM_ERROR("Invalid crtc %u\n", pipe);
1486 		return -EINVAL;
1487 	}
1488 
1489 	/* The hw increments its frame counter at start of vsync, not at start
1490 	 * of vblank, as is required by DRM core vblank counter handling.
1491 	 * Cook the hw count here to make it appear to the caller as if it
1492 	 * incremented at start of vblank. We measure distance to start of
1493 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1494 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1495 	 * result by 1 to give the proper appearance to caller.
1496 	 */
1497 	if (adev->mode_info.crtcs[pipe]) {
1498 		/* Repeat readout if needed to provide stable result if
1499 		 * we cross start of vsync during the queries.
1500 		 */
1501 		do {
1502 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1503 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1504 			 * vpos as distance to start of vblank, instead of
1505 			 * regular vertical scanout pos.
1506 			 */
1507 			stat = amdgpu_display_get_crtc_scanoutpos(
1508 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1509 				&vpos, &hpos, NULL, NULL,
1510 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1511 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1512 
1513 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1514 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1515 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1516 		} else {
1517 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1518 				      pipe, vpos);
1519 
1520 			/* Bump counter if we are at >= leading edge of vblank,
1521 			 * but before vsync where vpos would turn negative and
1522 			 * the hw counter really increments.
1523 			 */
1524 			if (vpos >= 0)
1525 				count++;
1526 		}
1527 	} else {
1528 		/* Fallback to use value as is. */
1529 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1530 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1531 	}
1532 
1533 	return count;
1534 }
1535 
1536 /**
1537  * amdgpu_enable_vblank_kms - enable vblank interrupt
1538  *
1539  * @crtc: crtc to enable vblank interrupt for
1540  *
1541  * Enable the interrupt on the requested crtc (all asics).
1542  * Returns 0 on success, -EINVAL on failure.
1543  */
amdgpu_enable_vblank_kms(struct drm_crtc * crtc)1544 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1545 {
1546 	struct drm_device *dev = crtc->dev;
1547 	unsigned int pipe = crtc->index;
1548 	struct amdgpu_device *adev = drm_to_adev(dev);
1549 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1550 
1551 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1552 }
1553 
1554 /**
1555  * amdgpu_disable_vblank_kms - disable vblank interrupt
1556  *
1557  * @crtc: crtc to disable vblank interrupt for
1558  *
1559  * Disable the interrupt on the requested crtc (all asics).
1560  */
amdgpu_disable_vblank_kms(struct drm_crtc * crtc)1561 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1562 {
1563 	struct drm_device *dev = crtc->dev;
1564 	unsigned int pipe = crtc->index;
1565 	struct amdgpu_device *adev = drm_to_adev(dev);
1566 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1567 
1568 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1569 }
1570 
1571 /*
1572  * Debugfs info
1573  */
1574 #if defined(CONFIG_DEBUG_FS)
1575 
amdgpu_debugfs_firmware_info_show(struct seq_file * m,void * unused)1576 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1577 {
1578 	struct amdgpu_device *adev = m->private;
1579 	struct drm_amdgpu_info_firmware fw_info;
1580 	struct drm_amdgpu_query_fw query_fw;
1581 	struct atom_context *ctx = adev->mode_info.atom_context;
1582 	uint8_t smu_program, smu_major, smu_minor, smu_debug;
1583 	int ret, i;
1584 
1585 	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1586 #define TA_FW_NAME(type)[TA_FW_TYPE_PSP_##type] = #type
1587 		TA_FW_NAME(XGMI),
1588 		TA_FW_NAME(RAS),
1589 		TA_FW_NAME(HDCP),
1590 		TA_FW_NAME(DTM),
1591 		TA_FW_NAME(RAP),
1592 		TA_FW_NAME(SECUREDISPLAY),
1593 #undef TA_FW_NAME
1594 	};
1595 
1596 	/* VCE */
1597 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1598 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1599 	if (ret)
1600 		return ret;
1601 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1602 		   fw_info.feature, fw_info.ver);
1603 
1604 	/* UVD */
1605 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1606 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1607 	if (ret)
1608 		return ret;
1609 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1610 		   fw_info.feature, fw_info.ver);
1611 
1612 	/* GMC */
1613 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1614 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1615 	if (ret)
1616 		return ret;
1617 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1618 		   fw_info.feature, fw_info.ver);
1619 
1620 	/* ME */
1621 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1622 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1623 	if (ret)
1624 		return ret;
1625 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1626 		   fw_info.feature, fw_info.ver);
1627 
1628 	/* PFP */
1629 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1630 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1631 	if (ret)
1632 		return ret;
1633 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1634 		   fw_info.feature, fw_info.ver);
1635 
1636 	/* CE */
1637 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1638 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1639 	if (ret)
1640 		return ret;
1641 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1642 		   fw_info.feature, fw_info.ver);
1643 
1644 	/* RLC */
1645 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1646 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1647 	if (ret)
1648 		return ret;
1649 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1650 		   fw_info.feature, fw_info.ver);
1651 
1652 	/* RLC SAVE RESTORE LIST CNTL */
1653 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1654 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1655 	if (ret)
1656 		return ret;
1657 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1658 		   fw_info.feature, fw_info.ver);
1659 
1660 	/* RLC SAVE RESTORE LIST GPM MEM */
1661 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1662 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1663 	if (ret)
1664 		return ret;
1665 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1666 		   fw_info.feature, fw_info.ver);
1667 
1668 	/* RLC SAVE RESTORE LIST SRM MEM */
1669 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1670 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1671 	if (ret)
1672 		return ret;
1673 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1674 		   fw_info.feature, fw_info.ver);
1675 
1676 	/* RLCP */
1677 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCP;
1678 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1679 	if (ret)
1680 		return ret;
1681 	seq_printf(m, "RLCP feature version: %u, firmware version: 0x%08x\n",
1682 		   fw_info.feature, fw_info.ver);
1683 
1684 	/* RLCV */
1685 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCV;
1686 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1687 	if (ret)
1688 		return ret;
1689 	seq_printf(m, "RLCV feature version: %u, firmware version: 0x%08x\n",
1690 		   fw_info.feature, fw_info.ver);
1691 
1692 	/* MEC */
1693 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1694 	query_fw.index = 0;
1695 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1696 	if (ret)
1697 		return ret;
1698 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1699 		   fw_info.feature, fw_info.ver);
1700 
1701 	/* MEC2 */
1702 	if (adev->gfx.mec2_fw) {
1703 		query_fw.index = 1;
1704 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1705 		if (ret)
1706 			return ret;
1707 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1708 			   fw_info.feature, fw_info.ver);
1709 	}
1710 
1711 	/* IMU */
1712 	query_fw.fw_type = AMDGPU_INFO_FW_IMU;
1713 	query_fw.index = 0;
1714 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1715 	if (ret)
1716 		return ret;
1717 	seq_printf(m, "IMU feature version: %u, firmware version: 0x%08x\n",
1718 		   fw_info.feature, fw_info.ver);
1719 
1720 	/* PSP SOS */
1721 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1722 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1723 	if (ret)
1724 		return ret;
1725 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1726 		   fw_info.feature, fw_info.ver);
1727 
1728 
1729 	/* PSP ASD */
1730 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1731 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1732 	if (ret)
1733 		return ret;
1734 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1735 		   fw_info.feature, fw_info.ver);
1736 
1737 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1738 	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1739 		query_fw.index = i;
1740 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1741 		if (ret)
1742 			continue;
1743 
1744 		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1745 			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1746 	}
1747 
1748 	/* SMC */
1749 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1750 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1751 	if (ret)
1752 		return ret;
1753 	smu_program = (fw_info.ver >> 24) & 0xff;
1754 	smu_major = (fw_info.ver >> 16) & 0xff;
1755 	smu_minor = (fw_info.ver >> 8) & 0xff;
1756 	smu_debug = (fw_info.ver >> 0) & 0xff;
1757 	seq_printf(m, "SMC feature version: %u, program: %d, firmware version: 0x%08x (%d.%d.%d)\n",
1758 		   fw_info.feature, smu_program, fw_info.ver, smu_major, smu_minor, smu_debug);
1759 
1760 	/* SDMA */
1761 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1762 	for (i = 0; i < adev->sdma.num_instances; i++) {
1763 		query_fw.index = i;
1764 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1765 		if (ret)
1766 			return ret;
1767 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1768 			   i, fw_info.feature, fw_info.ver);
1769 	}
1770 
1771 	/* VCN */
1772 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1773 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1774 	if (ret)
1775 		return ret;
1776 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1777 		   fw_info.feature, fw_info.ver);
1778 
1779 	/* DMCU */
1780 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1781 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1782 	if (ret)
1783 		return ret;
1784 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1785 		   fw_info.feature, fw_info.ver);
1786 
1787 	/* DMCUB */
1788 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1789 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1790 	if (ret)
1791 		return ret;
1792 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1793 		   fw_info.feature, fw_info.ver);
1794 
1795 	/* TOC */
1796 	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1797 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1798 	if (ret)
1799 		return ret;
1800 	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1801 		   fw_info.feature, fw_info.ver);
1802 
1803 	/* CAP */
1804 	if (adev->psp.cap_fw) {
1805 		query_fw.fw_type = AMDGPU_INFO_FW_CAP;
1806 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1807 		if (ret)
1808 			return ret;
1809 		seq_printf(m, "CAP feature version: %u, firmware version: 0x%08x\n",
1810 				fw_info.feature, fw_info.ver);
1811 	}
1812 
1813 	/* MES_KIQ */
1814 	query_fw.fw_type = AMDGPU_INFO_FW_MES_KIQ;
1815 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1816 	if (ret)
1817 		return ret;
1818 	seq_printf(m, "MES_KIQ feature version: %u, firmware version: 0x%08x\n",
1819 		   fw_info.feature, fw_info.ver);
1820 
1821 	/* MES */
1822 	query_fw.fw_type = AMDGPU_INFO_FW_MES;
1823 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1824 	if (ret)
1825 		return ret;
1826 	seq_printf(m, "MES feature version: %u, firmware version: 0x%08x\n",
1827 		   fw_info.feature, fw_info.ver);
1828 
1829 	/* VPE */
1830 	query_fw.fw_type = AMDGPU_INFO_FW_VPE;
1831 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1832 	if (ret)
1833 		return ret;
1834 	seq_printf(m, "VPE feature version: %u, firmware version: 0x%08x\n",
1835 		   fw_info.feature, fw_info.ver);
1836 
1837 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_pn);
1838 
1839 	return 0;
1840 }
1841 
1842 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1843 
1844 #endif
1845 
amdgpu_debugfs_firmware_init(struct amdgpu_device * adev)1846 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1847 {
1848 #if defined(CONFIG_DEBUG_FS)
1849 	struct drm_minor *minor = adev_to_drm(adev)->primary;
1850 	struct dentry *root = minor->debugfs_root;
1851 
1852 	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1853 			    adev, &amdgpu_debugfs_firmware_info_fops);
1854 
1855 #endif
1856 }
1857