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.inst[i].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, pcie_width_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 		if (amdgpu_passthrough(adev))
892 			dev_info->ids_flags |= (AMDGPU_IDS_FLAGS_MODE_PT <<
893 						AMDGPU_IDS_FLAGS_MODE_SHIFT) &
894 						AMDGPU_IDS_FLAGS_MODE_MASK;
895 		else if (amdgpu_sriov_vf(adev))
896 			dev_info->ids_flags |= (AMDGPU_IDS_FLAGS_MODE_VF <<
897 						AMDGPU_IDS_FLAGS_MODE_SHIFT) &
898 						AMDGPU_IDS_FLAGS_MODE_MASK;
899 
900 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
901 		vm_size -= AMDGPU_VA_RESERVED_TOP;
902 
903 		/* Older VCE FW versions are buggy and can handle only 40bits */
904 		if (adev->vce.fw_version &&
905 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
906 			vm_size = min(vm_size, 1ULL << 40);
907 
908 		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_BOTTOM;
909 		dev_info->virtual_address_max =
910 			min(vm_size, AMDGPU_GMC_HOLE_START);
911 
912 		if (vm_size > AMDGPU_GMC_HOLE_START) {
913 			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
914 			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
915 		}
916 		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
917 		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
918 		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
919 		dev_info->cu_active_number = adev->gfx.cu_info.number;
920 		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
921 		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
922 		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
923 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
924 		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
925 		       sizeof(dev_info->cu_bitmap));
926 		dev_info->vram_type = adev->gmc.vram_type;
927 		dev_info->vram_bit_width = adev->gmc.vram_width;
928 		dev_info->vce_harvest_config = adev->vce.harvest_config;
929 		dev_info->gc_double_offchip_lds_buf =
930 			adev->gfx.config.double_offchip_lds_buf;
931 		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
932 		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
933 		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
934 		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
935 		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
936 		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
937 		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
938 
939 		if (adev->family >= AMDGPU_FAMILY_NV)
940 			dev_info->pa_sc_tile_steering_override =
941 				adev->gfx.config.pa_sc_tile_steering_override;
942 
943 		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
944 
945 		/* Combine the chip gen mask with the platform (CPU/mobo) mask. */
946 		pcie_gen_mask = adev->pm.pcie_gen_mask &
947 			(adev->pm.pcie_gen_mask >> CAIL_PCIE_LINK_SPEED_SUPPORT_SHIFT);
948 		pcie_width_mask = adev->pm.pcie_mlw_mask &
949 			(adev->pm.pcie_mlw_mask >> CAIL_PCIE_LINK_WIDTH_SUPPORT_SHIFT);
950 		dev_info->pcie_gen = fls(pcie_gen_mask);
951 		dev_info->pcie_num_lanes =
952 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X32 ? 32 :
953 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X16 ? 16 :
954 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X12 ? 12 :
955 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X8 ? 8 :
956 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X4 ? 4 :
957 			pcie_width_mask & CAIL_ASIC_PCIE_LINK_WIDTH_SUPPORT_X2 ? 2 : 1;
958 
959 		dev_info->tcp_cache_size = adev->gfx.config.gc_tcp_l1_size;
960 		dev_info->num_sqc_per_wgp = adev->gfx.config.gc_num_sqc_per_wgp;
961 		dev_info->sqc_data_cache_size = adev->gfx.config.gc_l1_data_cache_size_per_sqc;
962 		dev_info->sqc_inst_cache_size = adev->gfx.config.gc_l1_instruction_cache_size_per_sqc;
963 		dev_info->gl1c_cache_size = adev->gfx.config.gc_gl1c_size_per_instance *
964 					    adev->gfx.config.gc_gl1c_per_sa;
965 		dev_info->gl2c_cache_size = adev->gfx.config.gc_gl2c_per_gpu;
966 		dev_info->mall_size = adev->gmc.mall_size;
967 
968 
969 		if (adev->gfx.funcs->get_gfx_shadow_info) {
970 			struct amdgpu_gfx_shadow_info shadow_info;
971 
972 			ret = amdgpu_gfx_get_gfx_shadow_info(adev, &shadow_info);
973 			if (!ret) {
974 				dev_info->shadow_size = shadow_info.shadow_size;
975 				dev_info->shadow_alignment = shadow_info.shadow_alignment;
976 				dev_info->csa_size = shadow_info.csa_size;
977 				dev_info->csa_alignment = shadow_info.csa_alignment;
978 			}
979 		}
980 
981 		ret = copy_to_user(out, dev_info,
982 				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
983 		kfree(dev_info);
984 		return ret;
985 	}
986 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
987 		unsigned int i;
988 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
989 		struct amd_vce_state *vce_state;
990 
991 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
992 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
993 			if (vce_state) {
994 				vce_clk_table.entries[i].sclk = vce_state->sclk;
995 				vce_clk_table.entries[i].mclk = vce_state->mclk;
996 				vce_clk_table.entries[i].eclk = vce_state->evclk;
997 				vce_clk_table.num_valid_entries++;
998 			}
999 		}
1000 
1001 		return copy_to_user(out, &vce_clk_table,
1002 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
1003 	}
1004 	case AMDGPU_INFO_VBIOS: {
1005 		uint32_t bios_size = adev->bios_size;
1006 
1007 		switch (info->vbios_info.type) {
1008 		case AMDGPU_INFO_VBIOS_SIZE:
1009 			return copy_to_user(out, &bios_size,
1010 					min((size_t)size, sizeof(bios_size)))
1011 					? -EFAULT : 0;
1012 		case AMDGPU_INFO_VBIOS_IMAGE: {
1013 			uint8_t *bios;
1014 			uint32_t bios_offset = info->vbios_info.offset;
1015 
1016 			if (bios_offset >= bios_size)
1017 				return -EINVAL;
1018 
1019 			bios = adev->bios + bios_offset;
1020 			return copy_to_user(out, bios,
1021 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
1022 					? -EFAULT : 0;
1023 		}
1024 		case AMDGPU_INFO_VBIOS_INFO: {
1025 			struct drm_amdgpu_info_vbios vbios_info = {};
1026 			struct atom_context *atom_context;
1027 
1028 			atom_context = adev->mode_info.atom_context;
1029 			if (atom_context) {
1030 				memcpy(vbios_info.name, atom_context->name,
1031 				       sizeof(atom_context->name));
1032 				memcpy(vbios_info.vbios_pn, atom_context->vbios_pn,
1033 				       sizeof(atom_context->vbios_pn));
1034 				vbios_info.version = atom_context->version;
1035 				memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
1036 				       sizeof(atom_context->vbios_ver_str));
1037 				memcpy(vbios_info.date, atom_context->date,
1038 				       sizeof(atom_context->date));
1039 			}
1040 
1041 			return copy_to_user(out, &vbios_info,
1042 						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
1043 		}
1044 		default:
1045 			DRM_DEBUG_KMS("Invalid request %d\n",
1046 					info->vbios_info.type);
1047 			return -EINVAL;
1048 		}
1049 	}
1050 	case AMDGPU_INFO_NUM_HANDLES: {
1051 		struct drm_amdgpu_info_num_handles handle;
1052 
1053 		switch (info->query_hw_ip.type) {
1054 		case AMDGPU_HW_IP_UVD:
1055 			/* Starting Polaris, we support unlimited UVD handles */
1056 			if (adev->asic_type < CHIP_POLARIS10) {
1057 				handle.uvd_max_handles = adev->uvd.max_handles;
1058 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
1059 
1060 				return copy_to_user(out, &handle,
1061 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
1062 			} else {
1063 				return -ENODATA;
1064 			}
1065 
1066 			break;
1067 		default:
1068 			return -EINVAL;
1069 		}
1070 	}
1071 	case AMDGPU_INFO_SENSOR: {
1072 		if (!adev->pm.dpm_enabled)
1073 			return -ENOENT;
1074 
1075 		switch (info->sensor_info.type) {
1076 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
1077 			/* get sclk in Mhz */
1078 			if (amdgpu_dpm_read_sensor(adev,
1079 						   AMDGPU_PP_SENSOR_GFX_SCLK,
1080 						   (void *)&ui32, &ui32_size)) {
1081 				return -EINVAL;
1082 			}
1083 			ui32 /= 100;
1084 			break;
1085 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
1086 			/* get mclk in Mhz */
1087 			if (amdgpu_dpm_read_sensor(adev,
1088 						   AMDGPU_PP_SENSOR_GFX_MCLK,
1089 						   (void *)&ui32, &ui32_size)) {
1090 				return -EINVAL;
1091 			}
1092 			ui32 /= 100;
1093 			break;
1094 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
1095 			/* get temperature in millidegrees C */
1096 			if (amdgpu_dpm_read_sensor(adev,
1097 						   AMDGPU_PP_SENSOR_GPU_TEMP,
1098 						   (void *)&ui32, &ui32_size)) {
1099 				return -EINVAL;
1100 			}
1101 			break;
1102 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
1103 			/* get GPU load */
1104 			if (amdgpu_dpm_read_sensor(adev,
1105 						   AMDGPU_PP_SENSOR_GPU_LOAD,
1106 						   (void *)&ui32, &ui32_size)) {
1107 				return -EINVAL;
1108 			}
1109 			break;
1110 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
1111 			/* get average GPU power */
1112 			if (amdgpu_dpm_read_sensor(adev,
1113 						   AMDGPU_PP_SENSOR_GPU_AVG_POWER,
1114 						   (void *)&ui32, &ui32_size)) {
1115 				/* fall back to input power for backwards compat */
1116 				if (amdgpu_dpm_read_sensor(adev,
1117 							   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1118 							   (void *)&ui32, &ui32_size)) {
1119 					return -EINVAL;
1120 				}
1121 			}
1122 			ui32 >>= 8;
1123 			break;
1124 		case AMDGPU_INFO_SENSOR_GPU_INPUT_POWER:
1125 			/* get input GPU power */
1126 			if (amdgpu_dpm_read_sensor(adev,
1127 						   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1128 						   (void *)&ui32, &ui32_size)) {
1129 				return -EINVAL;
1130 			}
1131 			ui32 >>= 8;
1132 			break;
1133 		case AMDGPU_INFO_SENSOR_VDDNB:
1134 			/* get VDDNB in millivolts */
1135 			if (amdgpu_dpm_read_sensor(adev,
1136 						   AMDGPU_PP_SENSOR_VDDNB,
1137 						   (void *)&ui32, &ui32_size)) {
1138 				return -EINVAL;
1139 			}
1140 			break;
1141 		case AMDGPU_INFO_SENSOR_VDDGFX:
1142 			/* get VDDGFX in millivolts */
1143 			if (amdgpu_dpm_read_sensor(adev,
1144 						   AMDGPU_PP_SENSOR_VDDGFX,
1145 						   (void *)&ui32, &ui32_size)) {
1146 				return -EINVAL;
1147 			}
1148 			break;
1149 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1150 			/* get stable pstate sclk in Mhz */
1151 			if (amdgpu_dpm_read_sensor(adev,
1152 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1153 						   (void *)&ui32, &ui32_size)) {
1154 				return -EINVAL;
1155 			}
1156 			ui32 /= 100;
1157 			break;
1158 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1159 			/* get stable pstate mclk in Mhz */
1160 			if (amdgpu_dpm_read_sensor(adev,
1161 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1162 						   (void *)&ui32, &ui32_size)) {
1163 				return -EINVAL;
1164 			}
1165 			ui32 /= 100;
1166 			break;
1167 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK:
1168 			/* get peak pstate sclk in Mhz */
1169 			if (amdgpu_dpm_read_sensor(adev,
1170 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK,
1171 						   (void *)&ui32, &ui32_size)) {
1172 				return -EINVAL;
1173 			}
1174 			ui32 /= 100;
1175 			break;
1176 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK:
1177 			/* get peak pstate mclk in Mhz */
1178 			if (amdgpu_dpm_read_sensor(adev,
1179 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK,
1180 						   (void *)&ui32, &ui32_size)) {
1181 				return -EINVAL;
1182 			}
1183 			ui32 /= 100;
1184 			break;
1185 		default:
1186 			DRM_DEBUG_KMS("Invalid request %d\n",
1187 				      info->sensor_info.type);
1188 			return -EINVAL;
1189 		}
1190 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1191 	}
1192 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
1193 		ui32 = atomic_read(&adev->vram_lost_counter);
1194 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1195 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1196 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1197 		uint64_t ras_mask;
1198 
1199 		if (!ras)
1200 			return -EINVAL;
1201 		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1202 
1203 		return copy_to_user(out, &ras_mask,
1204 				min_t(u64, size, sizeof(ras_mask))) ?
1205 			-EFAULT : 0;
1206 	}
1207 	case AMDGPU_INFO_VIDEO_CAPS: {
1208 		const struct amdgpu_video_codecs *codecs;
1209 		struct drm_amdgpu_info_video_caps *caps;
1210 		int r;
1211 
1212 		if (!adev->asic_funcs->query_video_codecs)
1213 			return -EINVAL;
1214 
1215 		switch (info->video_cap.type) {
1216 		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1217 			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1218 			if (r)
1219 				return -EINVAL;
1220 			break;
1221 		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1222 			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1223 			if (r)
1224 				return -EINVAL;
1225 			break;
1226 		default:
1227 			DRM_DEBUG_KMS("Invalid request %d\n",
1228 				      info->video_cap.type);
1229 			return -EINVAL;
1230 		}
1231 
1232 		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1233 		if (!caps)
1234 			return -ENOMEM;
1235 
1236 		for (i = 0; i < codecs->codec_count; i++) {
1237 			int idx = codecs->codec_array[i].codec_type;
1238 
1239 			switch (idx) {
1240 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1241 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1242 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1243 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1244 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1245 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1246 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1247 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1248 				caps->codec_info[idx].valid = 1;
1249 				caps->codec_info[idx].max_width =
1250 					codecs->codec_array[i].max_width;
1251 				caps->codec_info[idx].max_height =
1252 					codecs->codec_array[i].max_height;
1253 				caps->codec_info[idx].max_pixels_per_frame =
1254 					codecs->codec_array[i].max_pixels_per_frame;
1255 				caps->codec_info[idx].max_level =
1256 					codecs->codec_array[i].max_level;
1257 				break;
1258 			default:
1259 				break;
1260 			}
1261 		}
1262 		r = copy_to_user(out, caps,
1263 				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1264 		kfree(caps);
1265 		return r;
1266 	}
1267 	case AMDGPU_INFO_MAX_IBS: {
1268 		uint32_t max_ibs[AMDGPU_HW_IP_NUM];
1269 
1270 		for (i = 0; i < AMDGPU_HW_IP_NUM; ++i)
1271 			max_ibs[i] = amdgpu_ring_max_ibs(i);
1272 
1273 		return copy_to_user(out, max_ibs,
1274 				    min((size_t)size, sizeof(max_ibs))) ? -EFAULT : 0;
1275 	}
1276 	case AMDGPU_INFO_GPUVM_FAULT: {
1277 		struct amdgpu_fpriv *fpriv = filp->driver_priv;
1278 		struct amdgpu_vm *vm = &fpriv->vm;
1279 		struct drm_amdgpu_info_gpuvm_fault gpuvm_fault;
1280 		unsigned long flags;
1281 
1282 		if (!vm)
1283 			return -EINVAL;
1284 
1285 		memset(&gpuvm_fault, 0, sizeof(gpuvm_fault));
1286 
1287 		xa_lock_irqsave(&adev->vm_manager.pasids, flags);
1288 		gpuvm_fault.addr = vm->fault_info.addr;
1289 		gpuvm_fault.status = vm->fault_info.status;
1290 		gpuvm_fault.vmhub = vm->fault_info.vmhub;
1291 		xa_unlock_irqrestore(&adev->vm_manager.pasids, flags);
1292 
1293 		return copy_to_user(out, &gpuvm_fault,
1294 				    min((size_t)size, sizeof(gpuvm_fault))) ? -EFAULT : 0;
1295 	}
1296 	default:
1297 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1298 		return -EINVAL;
1299 	}
1300 	return 0;
1301 }
1302 
1303 /**
1304  * amdgpu_driver_open_kms - drm callback for open
1305  *
1306  * @dev: drm dev pointer
1307  * @file_priv: drm file
1308  *
1309  * On device open, init vm on cayman+ (all asics).
1310  * Returns 0 on success, error on failure.
1311  */
amdgpu_driver_open_kms(struct drm_device * dev,struct drm_file * file_priv)1312 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1313 {
1314 	struct amdgpu_device *adev = drm_to_adev(dev);
1315 	struct amdgpu_fpriv *fpriv;
1316 	int r, pasid;
1317 
1318 	/* Ensure IB tests are run on ring */
1319 	flush_delayed_work(&adev->delayed_init_work);
1320 
1321 
1322 	if (amdgpu_ras_intr_triggered()) {
1323 		DRM_ERROR("RAS Intr triggered, device disabled!!");
1324 		return -EHWPOISON;
1325 	}
1326 
1327 	file_priv->driver_priv = NULL;
1328 
1329 	r = pm_runtime_get_sync(dev->dev);
1330 	if (r < 0)
1331 		goto pm_put;
1332 
1333 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1334 	if (unlikely(!fpriv)) {
1335 		r = -ENOMEM;
1336 		goto out_suspend;
1337 	}
1338 
1339 	pasid = amdgpu_pasid_alloc(16);
1340 	if (pasid < 0) {
1341 		dev_warn(adev->dev, "No more PASIDs available!");
1342 		pasid = 0;
1343 	}
1344 
1345 	r = amdgpu_xcp_open_device(adev, fpriv, file_priv);
1346 	if (r)
1347 		goto error_pasid;
1348 
1349 	r = amdgpu_vm_init(adev, &fpriv->vm, fpriv->xcp_id);
1350 	if (r)
1351 		goto error_pasid;
1352 
1353 	r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
1354 	if (r)
1355 		goto error_vm;
1356 
1357 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1358 	if (!fpriv->prt_va) {
1359 		r = -ENOMEM;
1360 		goto error_vm;
1361 	}
1362 
1363 	if (adev->gfx.mcbp) {
1364 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1365 
1366 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1367 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1368 		if (r)
1369 			goto error_vm;
1370 	}
1371 
1372 	r = amdgpu_seq64_map(adev, &fpriv->vm, &fpriv->seq64_va);
1373 	if (r)
1374 		goto error_vm;
1375 
1376 	mutex_init(&fpriv->bo_list_lock);
1377 	idr_init_base(&fpriv->bo_list_handles, 1);
1378 
1379 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr, adev);
1380 
1381 	file_priv->driver_priv = fpriv;
1382 	goto out_suspend;
1383 
1384 error_vm:
1385 	amdgpu_vm_fini(adev, &fpriv->vm);
1386 
1387 error_pasid:
1388 	if (pasid) {
1389 		amdgpu_pasid_free(pasid);
1390 		amdgpu_vm_set_pasid(adev, &fpriv->vm, 0);
1391 	}
1392 
1393 	kfree(fpriv);
1394 
1395 out_suspend:
1396 	pm_runtime_mark_last_busy(dev->dev);
1397 pm_put:
1398 	pm_runtime_put_autosuspend(dev->dev);
1399 
1400 	return r;
1401 }
1402 
1403 /**
1404  * amdgpu_driver_postclose_kms - drm callback for post close
1405  *
1406  * @dev: drm dev pointer
1407  * @file_priv: drm file
1408  *
1409  * On device post close, tear down vm on cayman+ (all asics).
1410  */
amdgpu_driver_postclose_kms(struct drm_device * dev,struct drm_file * file_priv)1411 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1412 				 struct drm_file *file_priv)
1413 {
1414 	struct amdgpu_device *adev = drm_to_adev(dev);
1415 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1416 	struct amdgpu_bo_list *list;
1417 	struct amdgpu_bo *pd;
1418 	u32 pasid;
1419 	int handle;
1420 
1421 	if (!fpriv)
1422 		return;
1423 
1424 	pm_runtime_get_sync(dev->dev);
1425 
1426 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1427 		amdgpu_uvd_free_handles(adev, file_priv);
1428 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1429 		amdgpu_vce_free_handles(adev, file_priv);
1430 
1431 	if (fpriv->csa_va) {
1432 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1433 
1434 		WARN_ON(amdgpu_unmap_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1435 						fpriv->csa_va, csa_addr));
1436 		fpriv->csa_va = NULL;
1437 	}
1438 
1439 	amdgpu_seq64_unmap(adev, fpriv);
1440 
1441 	pasid = fpriv->vm.pasid;
1442 	pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1443 	if (!WARN_ON(amdgpu_bo_reserve(pd, true))) {
1444 		amdgpu_vm_bo_del(adev, fpriv->prt_va);
1445 		amdgpu_bo_unreserve(pd);
1446 	}
1447 
1448 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1449 	amdgpu_vm_fini(adev, &fpriv->vm);
1450 
1451 	if (pasid)
1452 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1453 	amdgpu_bo_unref(&pd);
1454 
1455 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1456 		amdgpu_bo_list_put(list);
1457 
1458 	idr_destroy(&fpriv->bo_list_handles);
1459 	mutex_destroy(&fpriv->bo_list_lock);
1460 
1461 	kfree(fpriv);
1462 	file_priv->driver_priv = NULL;
1463 
1464 	pm_runtime_mark_last_busy(dev->dev);
1465 	pm_runtime_put_autosuspend(dev->dev);
1466 }
1467 
1468 
amdgpu_driver_release_kms(struct drm_device * dev)1469 void amdgpu_driver_release_kms(struct drm_device *dev)
1470 {
1471 	struct amdgpu_device *adev = drm_to_adev(dev);
1472 
1473 	amdgpu_device_fini_sw(adev);
1474 	pci_set_drvdata(adev->pdev, NULL);
1475 }
1476 
1477 /*
1478  * VBlank related functions.
1479  */
1480 /**
1481  * amdgpu_get_vblank_counter_kms - get frame count
1482  *
1483  * @crtc: crtc to get the frame count from
1484  *
1485  * Gets the frame count on the requested crtc (all asics).
1486  * Returns frame count on success, -EINVAL on failure.
1487  */
amdgpu_get_vblank_counter_kms(struct drm_crtc * crtc)1488 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1489 {
1490 	struct drm_device *dev = crtc->dev;
1491 	unsigned int pipe = crtc->index;
1492 	struct amdgpu_device *adev = drm_to_adev(dev);
1493 	int vpos, hpos, stat;
1494 	u32 count;
1495 
1496 	if (pipe >= adev->mode_info.num_crtc) {
1497 		DRM_ERROR("Invalid crtc %u\n", pipe);
1498 		return -EINVAL;
1499 	}
1500 
1501 	/* The hw increments its frame counter at start of vsync, not at start
1502 	 * of vblank, as is required by DRM core vblank counter handling.
1503 	 * Cook the hw count here to make it appear to the caller as if it
1504 	 * incremented at start of vblank. We measure distance to start of
1505 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1506 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1507 	 * result by 1 to give the proper appearance to caller.
1508 	 */
1509 	if (adev->mode_info.crtcs[pipe]) {
1510 		/* Repeat readout if needed to provide stable result if
1511 		 * we cross start of vsync during the queries.
1512 		 */
1513 		do {
1514 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1515 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1516 			 * vpos as distance to start of vblank, instead of
1517 			 * regular vertical scanout pos.
1518 			 */
1519 			stat = amdgpu_display_get_crtc_scanoutpos(
1520 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1521 				&vpos, &hpos, NULL, NULL,
1522 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1523 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1524 
1525 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1526 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1527 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1528 		} else {
1529 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1530 				      pipe, vpos);
1531 
1532 			/* Bump counter if we are at >= leading edge of vblank,
1533 			 * but before vsync where vpos would turn negative and
1534 			 * the hw counter really increments.
1535 			 */
1536 			if (vpos >= 0)
1537 				count++;
1538 		}
1539 	} else {
1540 		/* Fallback to use value as is. */
1541 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1542 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1543 	}
1544 
1545 	return count;
1546 }
1547 
1548 /**
1549  * amdgpu_enable_vblank_kms - enable vblank interrupt
1550  *
1551  * @crtc: crtc to enable vblank interrupt for
1552  *
1553  * Enable the interrupt on the requested crtc (all asics).
1554  * Returns 0 on success, -EINVAL on failure.
1555  */
amdgpu_enable_vblank_kms(struct drm_crtc * crtc)1556 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1557 {
1558 	struct drm_device *dev = crtc->dev;
1559 	unsigned int pipe = crtc->index;
1560 	struct amdgpu_device *adev = drm_to_adev(dev);
1561 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1562 
1563 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1564 }
1565 
1566 /**
1567  * amdgpu_disable_vblank_kms - disable vblank interrupt
1568  *
1569  * @crtc: crtc to disable vblank interrupt for
1570  *
1571  * Disable the interrupt on the requested crtc (all asics).
1572  */
amdgpu_disable_vblank_kms(struct drm_crtc * crtc)1573 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1574 {
1575 	struct drm_device *dev = crtc->dev;
1576 	unsigned int pipe = crtc->index;
1577 	struct amdgpu_device *adev = drm_to_adev(dev);
1578 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1579 
1580 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1581 }
1582 
1583 /*
1584  * Debugfs info
1585  */
1586 #if defined(CONFIG_DEBUG_FS)
1587 
amdgpu_debugfs_firmware_info_show(struct seq_file * m,void * unused)1588 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1589 {
1590 	struct amdgpu_device *adev = m->private;
1591 	struct drm_amdgpu_info_firmware fw_info;
1592 	struct drm_amdgpu_query_fw query_fw;
1593 	struct atom_context *ctx = adev->mode_info.atom_context;
1594 	uint8_t smu_program, smu_major, smu_minor, smu_debug;
1595 	int ret, i;
1596 
1597 	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1598 #define TA_FW_NAME(type)[TA_FW_TYPE_PSP_##type] = #type
1599 		TA_FW_NAME(XGMI),
1600 		TA_FW_NAME(RAS),
1601 		TA_FW_NAME(HDCP),
1602 		TA_FW_NAME(DTM),
1603 		TA_FW_NAME(RAP),
1604 		TA_FW_NAME(SECUREDISPLAY),
1605 #undef TA_FW_NAME
1606 	};
1607 
1608 	/* VCE */
1609 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1610 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1611 	if (ret)
1612 		return ret;
1613 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1614 		   fw_info.feature, fw_info.ver);
1615 
1616 	/* UVD */
1617 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1618 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1619 	if (ret)
1620 		return ret;
1621 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1622 		   fw_info.feature, fw_info.ver);
1623 
1624 	/* GMC */
1625 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1626 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1627 	if (ret)
1628 		return ret;
1629 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1630 		   fw_info.feature, fw_info.ver);
1631 
1632 	/* ME */
1633 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1634 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1635 	if (ret)
1636 		return ret;
1637 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1638 		   fw_info.feature, fw_info.ver);
1639 
1640 	/* PFP */
1641 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1642 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1643 	if (ret)
1644 		return ret;
1645 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1646 		   fw_info.feature, fw_info.ver);
1647 
1648 	/* CE */
1649 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1650 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1651 	if (ret)
1652 		return ret;
1653 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1654 		   fw_info.feature, fw_info.ver);
1655 
1656 	/* RLC */
1657 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1658 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1659 	if (ret)
1660 		return ret;
1661 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1662 		   fw_info.feature, fw_info.ver);
1663 
1664 	/* RLC SAVE RESTORE LIST CNTL */
1665 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1666 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1667 	if (ret)
1668 		return ret;
1669 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1670 		   fw_info.feature, fw_info.ver);
1671 
1672 	/* RLC SAVE RESTORE LIST GPM MEM */
1673 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1674 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1675 	if (ret)
1676 		return ret;
1677 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1678 		   fw_info.feature, fw_info.ver);
1679 
1680 	/* RLC SAVE RESTORE LIST SRM MEM */
1681 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1682 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1683 	if (ret)
1684 		return ret;
1685 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1686 		   fw_info.feature, fw_info.ver);
1687 
1688 	/* RLCP */
1689 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCP;
1690 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1691 	if (ret)
1692 		return ret;
1693 	seq_printf(m, "RLCP feature version: %u, firmware version: 0x%08x\n",
1694 		   fw_info.feature, fw_info.ver);
1695 
1696 	/* RLCV */
1697 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCV;
1698 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1699 	if (ret)
1700 		return ret;
1701 	seq_printf(m, "RLCV feature version: %u, firmware version: 0x%08x\n",
1702 		   fw_info.feature, fw_info.ver);
1703 
1704 	/* MEC */
1705 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1706 	query_fw.index = 0;
1707 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1708 	if (ret)
1709 		return ret;
1710 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1711 		   fw_info.feature, fw_info.ver);
1712 
1713 	/* MEC2 */
1714 	if (adev->gfx.mec2_fw) {
1715 		query_fw.index = 1;
1716 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1717 		if (ret)
1718 			return ret;
1719 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1720 			   fw_info.feature, fw_info.ver);
1721 	}
1722 
1723 	/* IMU */
1724 	query_fw.fw_type = AMDGPU_INFO_FW_IMU;
1725 	query_fw.index = 0;
1726 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1727 	if (ret)
1728 		return ret;
1729 	seq_printf(m, "IMU feature version: %u, firmware version: 0x%08x\n",
1730 		   fw_info.feature, fw_info.ver);
1731 
1732 	/* PSP SOS */
1733 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1734 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1735 	if (ret)
1736 		return ret;
1737 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1738 		   fw_info.feature, fw_info.ver);
1739 
1740 
1741 	/* PSP ASD */
1742 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1743 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1744 	if (ret)
1745 		return ret;
1746 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1747 		   fw_info.feature, fw_info.ver);
1748 
1749 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1750 	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1751 		query_fw.index = i;
1752 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1753 		if (ret)
1754 			continue;
1755 
1756 		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1757 			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1758 	}
1759 
1760 	/* SMC */
1761 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1762 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1763 	if (ret)
1764 		return ret;
1765 	smu_program = (fw_info.ver >> 24) & 0xff;
1766 	smu_major = (fw_info.ver >> 16) & 0xff;
1767 	smu_minor = (fw_info.ver >> 8) & 0xff;
1768 	smu_debug = (fw_info.ver >> 0) & 0xff;
1769 	seq_printf(m, "SMC feature version: %u, program: %d, firmware version: 0x%08x (%d.%d.%d)\n",
1770 		   fw_info.feature, smu_program, fw_info.ver, smu_major, smu_minor, smu_debug);
1771 
1772 	/* SDMA */
1773 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1774 	for (i = 0; i < adev->sdma.num_instances; i++) {
1775 		query_fw.index = i;
1776 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1777 		if (ret)
1778 			return ret;
1779 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1780 			   i, fw_info.feature, fw_info.ver);
1781 	}
1782 
1783 	/* VCN */
1784 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1785 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1786 	if (ret)
1787 		return ret;
1788 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1789 		   fw_info.feature, fw_info.ver);
1790 
1791 	/* DMCU */
1792 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1793 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1794 	if (ret)
1795 		return ret;
1796 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1797 		   fw_info.feature, fw_info.ver);
1798 
1799 	/* DMCUB */
1800 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1801 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1802 	if (ret)
1803 		return ret;
1804 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1805 		   fw_info.feature, fw_info.ver);
1806 
1807 	/* TOC */
1808 	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1809 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1810 	if (ret)
1811 		return ret;
1812 	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1813 		   fw_info.feature, fw_info.ver);
1814 
1815 	/* CAP */
1816 	if (adev->psp.cap_fw) {
1817 		query_fw.fw_type = AMDGPU_INFO_FW_CAP;
1818 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1819 		if (ret)
1820 			return ret;
1821 		seq_printf(m, "CAP feature version: %u, firmware version: 0x%08x\n",
1822 				fw_info.feature, fw_info.ver);
1823 	}
1824 
1825 	/* MES_KIQ */
1826 	query_fw.fw_type = AMDGPU_INFO_FW_MES_KIQ;
1827 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1828 	if (ret)
1829 		return ret;
1830 	seq_printf(m, "MES_KIQ feature version: %u, firmware version: 0x%08x\n",
1831 		   fw_info.feature, fw_info.ver);
1832 
1833 	/* MES */
1834 	query_fw.fw_type = AMDGPU_INFO_FW_MES;
1835 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1836 	if (ret)
1837 		return ret;
1838 	seq_printf(m, "MES feature version: %u, firmware version: 0x%08x\n",
1839 		   fw_info.feature, fw_info.ver);
1840 
1841 	/* VPE */
1842 	query_fw.fw_type = AMDGPU_INFO_FW_VPE;
1843 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1844 	if (ret)
1845 		return ret;
1846 	seq_printf(m, "VPE feature version: %u, firmware version: 0x%08x\n",
1847 		   fw_info.feature, fw_info.ver);
1848 
1849 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_pn);
1850 
1851 	return 0;
1852 }
1853 
1854 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1855 
1856 #endif
1857 
amdgpu_debugfs_firmware_init(struct amdgpu_device * adev)1858 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1859 {
1860 #if defined(CONFIG_DEBUG_FS)
1861 	struct drm_minor *minor = adev_to_drm(adev)->primary;
1862 	struct dentry *root = minor->debugfs_root;
1863 
1864 	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1865 			    adev, &amdgpu_debugfs_firmware_info_fops);
1866 
1867 #endif
1868 }
1869