xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c (revision 13478532)
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 
29 #include "amdgpu.h"
30 #include <drm/amdgpu_drm.h>
31 #include <drm/drm_drv.h>
32 #include <drm/drm_fb_helper.h>
33 #include "amdgpu_uvd.h"
34 #include "amdgpu_vce.h"
35 #include "atom.h"
36 
37 #include <linux/vga_switcheroo.h>
38 #include <linux/slab.h>
39 #include <linux/uaccess.h>
40 #include <linux/pci.h>
41 #include <linux/pm_runtime.h>
42 #include "amdgpu_amdkfd.h"
43 #include "amdgpu_gem.h"
44 #include "amdgpu_display.h"
45 #include "amdgpu_ras.h"
46 #include "amd_pcie.h"
47 
amdgpu_unregister_gpu_instance(struct amdgpu_device * adev)48 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
49 {
50 	struct amdgpu_gpu_instance *gpu_instance;
51 	int i;
52 
53 	mutex_lock(&mgpu_info.mutex);
54 
55 	for (i = 0; i < mgpu_info.num_gpu; i++) {
56 		gpu_instance = &(mgpu_info.gpu_ins[i]);
57 		if (gpu_instance->adev == adev) {
58 			mgpu_info.gpu_ins[i] =
59 				mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
60 			mgpu_info.num_gpu--;
61 			if (adev->flags & AMD_IS_APU)
62 				mgpu_info.num_apu--;
63 			else
64 				mgpu_info.num_dgpu--;
65 			break;
66 		}
67 	}
68 
69 	mutex_unlock(&mgpu_info.mutex);
70 }
71 
72 /**
73  * amdgpu_driver_unload_kms - Main unload function for KMS.
74  *
75  * @dev: drm dev pointer
76  *
77  * This is the main unload function for KMS (all asics).
78  * Returns 0 on success.
79  */
amdgpu_driver_unload_kms(struct drm_device * dev)80 void amdgpu_driver_unload_kms(struct drm_device *dev)
81 {
82 	struct amdgpu_device *adev = drm_to_adev(dev);
83 
84 	if (adev == NULL)
85 		return;
86 
87 	amdgpu_unregister_gpu_instance(adev);
88 
89 	if (adev->rmmio == NULL)
90 		return;
91 
92 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
93 		DRM_WARN("smart shift update failed\n");
94 
95 	amdgpu_acpi_fini(adev);
96 	amdgpu_device_fini_hw(adev);
97 }
98 
amdgpu_register_gpu_instance(struct amdgpu_device * adev)99 void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
100 {
101 	struct amdgpu_gpu_instance *gpu_instance;
102 
103 	mutex_lock(&mgpu_info.mutex);
104 
105 	if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
106 		DRM_ERROR("Cannot register more gpu instance\n");
107 		mutex_unlock(&mgpu_info.mutex);
108 		return;
109 	}
110 
111 	gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
112 	gpu_instance->adev = adev;
113 	gpu_instance->mgpu_fan_enabled = 0;
114 
115 	mgpu_info.num_gpu++;
116 	if (adev->flags & AMD_IS_APU)
117 		mgpu_info.num_apu++;
118 	else
119 		mgpu_info.num_dgpu++;
120 
121 	mutex_unlock(&mgpu_info.mutex);
122 }
123 
124 /**
125  * amdgpu_driver_load_kms - Main load function for KMS.
126  *
127  * @adev: pointer to struct amdgpu_device
128  * @flags: device flags
129  *
130  * This is the main load function for KMS (all asics).
131  * Returns 0 on success, error on failure.
132  */
amdgpu_driver_load_kms(struct amdgpu_device * adev,unsigned long flags)133 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
134 {
135 	struct drm_device *dev;
136 	int r, acpi_status;
137 
138 	dev = adev_to_drm(adev);
139 
140 	/* amdgpu_device_init should report only fatal error
141 	 * like memory allocation failure or iomapping failure,
142 	 * or memory manager initialization failure, it must
143 	 * properly initialize the GPU MC controller and permit
144 	 * VRAM allocation
145 	 */
146 	r = amdgpu_device_init(adev, flags);
147 	if (r) {
148 		dev_err(dev->dev, "Fatal error during GPU init\n");
149 		goto out;
150 	}
151 
152 	amdgpu_device_detect_runtime_pm_mode(adev);
153 
154 	/* Call ACPI methods: require modeset init
155 	 * but failure is not fatal
156 	 */
157 
158 	acpi_status = amdgpu_acpi_init(adev);
159 	if (acpi_status)
160 		dev_dbg(dev->dev, "Error during ACPI methods call\n");
161 
162 	if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
163 		DRM_WARN("smart shift update failed\n");
164 
165 out:
166 	if (r)
167 		amdgpu_driver_unload_kms(dev);
168 
169 	return r;
170 }
171 
172 static enum amd_ip_block_type
amdgpu_ip_get_block_type(struct amdgpu_device * adev,uint32_t ip)173 	amdgpu_ip_get_block_type(struct amdgpu_device *adev, uint32_t ip)
174 {
175 	enum amd_ip_block_type type;
176 
177 	switch (ip) {
178 	case AMDGPU_HW_IP_GFX:
179 		type = AMD_IP_BLOCK_TYPE_GFX;
180 		break;
181 	case AMDGPU_HW_IP_COMPUTE:
182 		type = AMD_IP_BLOCK_TYPE_GFX;
183 		break;
184 	case AMDGPU_HW_IP_DMA:
185 		type = AMD_IP_BLOCK_TYPE_SDMA;
186 		break;
187 	case AMDGPU_HW_IP_UVD:
188 	case AMDGPU_HW_IP_UVD_ENC:
189 		type = AMD_IP_BLOCK_TYPE_UVD;
190 		break;
191 	case AMDGPU_HW_IP_VCE:
192 		type = AMD_IP_BLOCK_TYPE_VCE;
193 		break;
194 	case AMDGPU_HW_IP_VCN_DEC:
195 	case AMDGPU_HW_IP_VCN_ENC:
196 		type = AMD_IP_BLOCK_TYPE_VCN;
197 		break;
198 	case AMDGPU_HW_IP_VCN_JPEG:
199 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
200 				   AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
201 		break;
202 	default:
203 		type = AMD_IP_BLOCK_TYPE_NUM;
204 		break;
205 	}
206 
207 	return type;
208 }
209 
amdgpu_firmware_info(struct drm_amdgpu_info_firmware * fw_info,struct drm_amdgpu_query_fw * query_fw,struct amdgpu_device * adev)210 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
211 				struct drm_amdgpu_query_fw *query_fw,
212 				struct amdgpu_device *adev)
213 {
214 	switch (query_fw->fw_type) {
215 	case AMDGPU_INFO_FW_VCE:
216 		fw_info->ver = adev->vce.fw_version;
217 		fw_info->feature = adev->vce.fb_version;
218 		break;
219 	case AMDGPU_INFO_FW_UVD:
220 		fw_info->ver = adev->uvd.fw_version;
221 		fw_info->feature = 0;
222 		break;
223 	case AMDGPU_INFO_FW_VCN:
224 		fw_info->ver = adev->vcn.fw_version;
225 		fw_info->feature = 0;
226 		break;
227 	case AMDGPU_INFO_FW_GMC:
228 		fw_info->ver = adev->gmc.fw_version;
229 		fw_info->feature = 0;
230 		break;
231 	case AMDGPU_INFO_FW_GFX_ME:
232 		fw_info->ver = adev->gfx.me_fw_version;
233 		fw_info->feature = adev->gfx.me_feature_version;
234 		break;
235 	case AMDGPU_INFO_FW_GFX_PFP:
236 		fw_info->ver = adev->gfx.pfp_fw_version;
237 		fw_info->feature = adev->gfx.pfp_feature_version;
238 		break;
239 	case AMDGPU_INFO_FW_GFX_CE:
240 		fw_info->ver = adev->gfx.ce_fw_version;
241 		fw_info->feature = adev->gfx.ce_feature_version;
242 		break;
243 	case AMDGPU_INFO_FW_GFX_RLC:
244 		fw_info->ver = adev->gfx.rlc_fw_version;
245 		fw_info->feature = adev->gfx.rlc_feature_version;
246 		break;
247 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
248 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
249 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
250 		break;
251 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
252 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
253 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
254 		break;
255 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
256 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
257 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
258 		break;
259 	case AMDGPU_INFO_FW_GFX_RLCP:
260 		fw_info->ver = adev->gfx.rlcp_ucode_version;
261 		fw_info->feature = adev->gfx.rlcp_ucode_feature_version;
262 		break;
263 	case AMDGPU_INFO_FW_GFX_RLCV:
264 		fw_info->ver = adev->gfx.rlcv_ucode_version;
265 		fw_info->feature = adev->gfx.rlcv_ucode_feature_version;
266 		break;
267 	case AMDGPU_INFO_FW_GFX_MEC:
268 		if (query_fw->index == 0) {
269 			fw_info->ver = adev->gfx.mec_fw_version;
270 			fw_info->feature = adev->gfx.mec_feature_version;
271 		} else if (query_fw->index == 1) {
272 			fw_info->ver = adev->gfx.mec2_fw_version;
273 			fw_info->feature = adev->gfx.mec2_feature_version;
274 		} else
275 			return -EINVAL;
276 		break;
277 	case AMDGPU_INFO_FW_SMC:
278 		fw_info->ver = adev->pm.fw_version;
279 		fw_info->feature = 0;
280 		break;
281 	case AMDGPU_INFO_FW_TA:
282 		switch (query_fw->index) {
283 		case TA_FW_TYPE_PSP_XGMI:
284 			fw_info->ver = adev->psp.xgmi_context.context.bin_desc.fw_version;
285 			fw_info->feature = adev->psp.xgmi_context.context
286 						   .bin_desc.feature_version;
287 			break;
288 		case TA_FW_TYPE_PSP_RAS:
289 			fw_info->ver = adev->psp.ras_context.context.bin_desc.fw_version;
290 			fw_info->feature = adev->psp.ras_context.context
291 						   .bin_desc.feature_version;
292 			break;
293 		case TA_FW_TYPE_PSP_HDCP:
294 			fw_info->ver = adev->psp.hdcp_context.context.bin_desc.fw_version;
295 			fw_info->feature = adev->psp.hdcp_context.context
296 						   .bin_desc.feature_version;
297 			break;
298 		case TA_FW_TYPE_PSP_DTM:
299 			fw_info->ver = adev->psp.dtm_context.context.bin_desc.fw_version;
300 			fw_info->feature = adev->psp.dtm_context.context
301 						   .bin_desc.feature_version;
302 			break;
303 		case TA_FW_TYPE_PSP_RAP:
304 			fw_info->ver = adev->psp.rap_context.context.bin_desc.fw_version;
305 			fw_info->feature = adev->psp.rap_context.context
306 						   .bin_desc.feature_version;
307 			break;
308 		case TA_FW_TYPE_PSP_SECUREDISPLAY:
309 			fw_info->ver = adev->psp.securedisplay_context.context.bin_desc.fw_version;
310 			fw_info->feature =
311 				adev->psp.securedisplay_context.context.bin_desc
312 					.feature_version;
313 			break;
314 		default:
315 			return -EINVAL;
316 		}
317 		break;
318 	case AMDGPU_INFO_FW_SDMA:
319 		if (query_fw->index >= adev->sdma.num_instances)
320 			return -EINVAL;
321 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
322 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
323 		break;
324 	case AMDGPU_INFO_FW_SOS:
325 		fw_info->ver = adev->psp.sos.fw_version;
326 		fw_info->feature = adev->psp.sos.feature_version;
327 		break;
328 	case AMDGPU_INFO_FW_ASD:
329 		fw_info->ver = adev->psp.asd_context.bin_desc.fw_version;
330 		fw_info->feature = adev->psp.asd_context.bin_desc.feature_version;
331 		break;
332 	case AMDGPU_INFO_FW_DMCU:
333 		fw_info->ver = adev->dm.dmcu_fw_version;
334 		fw_info->feature = 0;
335 		break;
336 	case AMDGPU_INFO_FW_DMCUB:
337 		fw_info->ver = adev->dm.dmcub_fw_version;
338 		fw_info->feature = 0;
339 		break;
340 	case AMDGPU_INFO_FW_TOC:
341 		fw_info->ver = adev->psp.toc.fw_version;
342 		fw_info->feature = adev->psp.toc.feature_version;
343 		break;
344 	case AMDGPU_INFO_FW_CAP:
345 		fw_info->ver = adev->psp.cap_fw_version;
346 		fw_info->feature = adev->psp.cap_feature_version;
347 		break;
348 	case AMDGPU_INFO_FW_MES_KIQ:
349 		fw_info->ver = adev->mes.kiq_version & AMDGPU_MES_VERSION_MASK;
350 		fw_info->feature = (adev->mes.kiq_version & AMDGPU_MES_FEAT_VERSION_MASK)
351 					>> AMDGPU_MES_FEAT_VERSION_SHIFT;
352 		break;
353 	case AMDGPU_INFO_FW_MES:
354 		fw_info->ver = adev->mes.sched_version & AMDGPU_MES_VERSION_MASK;
355 		fw_info->feature = (adev->mes.sched_version & AMDGPU_MES_FEAT_VERSION_MASK)
356 					>> AMDGPU_MES_FEAT_VERSION_SHIFT;
357 		break;
358 	case AMDGPU_INFO_FW_IMU:
359 		fw_info->ver = adev->gfx.imu_fw_version;
360 		fw_info->feature = 0;
361 		break;
362 	case AMDGPU_INFO_FW_VPE:
363 		fw_info->ver = adev->vpe.fw_version;
364 		fw_info->feature = adev->vpe.feature_version;
365 		break;
366 	default:
367 		return -EINVAL;
368 	}
369 	return 0;
370 }
371 
amdgpu_hw_ip_info(struct amdgpu_device * adev,struct drm_amdgpu_info * info,struct drm_amdgpu_info_hw_ip * result)372 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
373 			     struct drm_amdgpu_info *info,
374 			     struct drm_amdgpu_info_hw_ip *result)
375 {
376 	uint32_t ib_start_alignment = 0;
377 	uint32_t ib_size_alignment = 0;
378 	enum amd_ip_block_type type;
379 	unsigned int num_rings = 0;
380 	unsigned int i, j;
381 
382 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
383 		return -EINVAL;
384 
385 	switch (info->query_hw_ip.type) {
386 	case AMDGPU_HW_IP_GFX:
387 		type = AMD_IP_BLOCK_TYPE_GFX;
388 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
389 			if (adev->gfx.gfx_ring[i].sched.ready)
390 				++num_rings;
391 		ib_start_alignment = 32;
392 		ib_size_alignment = 32;
393 		break;
394 	case AMDGPU_HW_IP_COMPUTE:
395 		type = AMD_IP_BLOCK_TYPE_GFX;
396 		for (i = 0; i < adev->gfx.num_compute_rings; i++)
397 			if (adev->gfx.compute_ring[i].sched.ready)
398 				++num_rings;
399 		ib_start_alignment = 32;
400 		ib_size_alignment = 32;
401 		break;
402 	case AMDGPU_HW_IP_DMA:
403 		type = AMD_IP_BLOCK_TYPE_SDMA;
404 		for (i = 0; i < adev->sdma.num_instances; i++)
405 			if (adev->sdma.instance[i].ring.sched.ready)
406 				++num_rings;
407 		ib_start_alignment = 256;
408 		ib_size_alignment = 4;
409 		break;
410 	case AMDGPU_HW_IP_UVD:
411 		type = AMD_IP_BLOCK_TYPE_UVD;
412 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
413 			if (adev->uvd.harvest_config & (1 << i))
414 				continue;
415 
416 			if (adev->uvd.inst[i].ring.sched.ready)
417 				++num_rings;
418 		}
419 		ib_start_alignment = 256;
420 		ib_size_alignment = 64;
421 		break;
422 	case AMDGPU_HW_IP_VCE:
423 		type = AMD_IP_BLOCK_TYPE_VCE;
424 		for (i = 0; i < adev->vce.num_rings; i++)
425 			if (adev->vce.ring[i].sched.ready)
426 				++num_rings;
427 		ib_start_alignment = 256;
428 		ib_size_alignment = 4;
429 		break;
430 	case AMDGPU_HW_IP_UVD_ENC:
431 		type = AMD_IP_BLOCK_TYPE_UVD;
432 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
433 			if (adev->uvd.harvest_config & (1 << i))
434 				continue;
435 
436 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
437 				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
438 					++num_rings;
439 		}
440 		ib_start_alignment = 256;
441 		ib_size_alignment = 4;
442 		break;
443 	case AMDGPU_HW_IP_VCN_DEC:
444 		type = AMD_IP_BLOCK_TYPE_VCN;
445 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
446 			if (adev->vcn.harvest_config & (1 << i))
447 				continue;
448 
449 			if (adev->vcn.inst[i].ring_dec.sched.ready)
450 				++num_rings;
451 		}
452 		ib_start_alignment = 256;
453 		ib_size_alignment = 64;
454 		break;
455 	case AMDGPU_HW_IP_VCN_ENC:
456 		type = AMD_IP_BLOCK_TYPE_VCN;
457 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
458 			if (adev->vcn.harvest_config & (1 << i))
459 				continue;
460 
461 			for (j = 0; j < adev->vcn.num_enc_rings; j++)
462 				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
463 					++num_rings;
464 		}
465 		ib_start_alignment = 256;
466 		ib_size_alignment = 4;
467 		break;
468 	case AMDGPU_HW_IP_VCN_JPEG:
469 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
470 			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
471 
472 		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
473 			if (adev->jpeg.harvest_config & (1 << i))
474 				continue;
475 
476 			for (j = 0; j < adev->jpeg.num_jpeg_rings; j++)
477 				if (adev->jpeg.inst[i].ring_dec[j].sched.ready)
478 					++num_rings;
479 		}
480 		ib_start_alignment = 256;
481 		ib_size_alignment = 64;
482 		break;
483 	case AMDGPU_HW_IP_VPE:
484 		type = AMD_IP_BLOCK_TYPE_VPE;
485 		if (adev->vpe.ring.sched.ready)
486 			++num_rings;
487 		ib_start_alignment = 256;
488 		ib_size_alignment = 4;
489 		break;
490 	default:
491 		return -EINVAL;
492 	}
493 
494 	for (i = 0; i < adev->num_ip_blocks; i++)
495 		if (adev->ip_blocks[i].version->type == type &&
496 		    adev->ip_blocks[i].status.valid)
497 			break;
498 
499 	if (i == adev->num_ip_blocks)
500 		return 0;
501 
502 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
503 			num_rings);
504 
505 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
506 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
507 
508 	if (adev->asic_type >= CHIP_VEGA10) {
509 		switch (type) {
510 		case AMD_IP_BLOCK_TYPE_GFX:
511 			result->ip_discovery_version =
512 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, GC_HWIP, 0));
513 			break;
514 		case AMD_IP_BLOCK_TYPE_SDMA:
515 			result->ip_discovery_version =
516 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, SDMA0_HWIP, 0));
517 			break;
518 		case AMD_IP_BLOCK_TYPE_UVD:
519 		case AMD_IP_BLOCK_TYPE_VCN:
520 		case AMD_IP_BLOCK_TYPE_JPEG:
521 			result->ip_discovery_version =
522 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, UVD_HWIP, 0));
523 			break;
524 		case AMD_IP_BLOCK_TYPE_VCE:
525 			result->ip_discovery_version =
526 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VCE_HWIP, 0));
527 			break;
528 		case AMD_IP_BLOCK_TYPE_VPE:
529 			result->ip_discovery_version =
530 				IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VPE_HWIP, 0));
531 			break;
532 		default:
533 			result->ip_discovery_version = 0;
534 			break;
535 		}
536 	} else {
537 		result->ip_discovery_version = 0;
538 	}
539 	result->capabilities_flags = 0;
540 	result->available_rings = (1 << num_rings) - 1;
541 	result->ib_start_alignment = ib_start_alignment;
542 	result->ib_size_alignment = ib_size_alignment;
543 	return 0;
544 }
545 
546 /*
547  * Userspace get information ioctl
548  */
549 /**
550  * amdgpu_info_ioctl - answer a device specific request.
551  *
552  * @dev: drm device pointer
553  * @data: request object
554  * @filp: drm filp
555  *
556  * This function is used to pass device specific parameters to the userspace
557  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
558  * etc. (all asics).
559  * Returns 0 on success, -EINVAL on failure.
560  */
amdgpu_info_ioctl(struct drm_device * dev,void * data,struct drm_file * filp)561 int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
562 {
563 	struct amdgpu_device *adev = drm_to_adev(dev);
564 	struct drm_amdgpu_info *info = data;
565 	struct amdgpu_mode_info *minfo = &adev->mode_info;
566 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
567 	struct amdgpu_fpriv *fpriv;
568 	struct amdgpu_ip_block *ip_block;
569 	enum amd_ip_block_type type;
570 	struct amdgpu_xcp *xcp;
571 	u32 count, inst_mask;
572 	uint32_t size = info->return_size;
573 	struct drm_crtc *crtc;
574 	uint32_t ui32 = 0;
575 	uint64_t ui64 = 0;
576 	int i, found, ret;
577 	int ui32_size = sizeof(ui32);
578 
579 	if (!info->return_size || !info->return_pointer)
580 		return -EINVAL;
581 
582 	switch (info->query) {
583 	case AMDGPU_INFO_ACCEL_WORKING:
584 		ui32 = adev->accel_working;
585 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
586 	case AMDGPU_INFO_CRTC_FROM_ID:
587 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
588 			crtc = (struct drm_crtc *)minfo->crtcs[i];
589 			if (crtc && crtc->base.id == info->mode_crtc.id) {
590 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
591 
592 				ui32 = amdgpu_crtc->crtc_id;
593 				found = 1;
594 				break;
595 			}
596 		}
597 		if (!found) {
598 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
599 			return -EINVAL;
600 		}
601 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
602 	case AMDGPU_INFO_HW_IP_INFO: {
603 		struct drm_amdgpu_info_hw_ip ip = {};
604 
605 		ret = amdgpu_hw_ip_info(adev, info, &ip);
606 		if (ret)
607 			return ret;
608 
609 		ret = copy_to_user(out, &ip, min_t(size_t, size, sizeof(ip)));
610 		return ret ? -EFAULT : 0;
611 	}
612 	case AMDGPU_INFO_HW_IP_COUNT: {
613 		fpriv = (struct amdgpu_fpriv *)filp->driver_priv;
614 		type = amdgpu_ip_get_block_type(adev, info->query_hw_ip.type);
615 		ip_block = amdgpu_device_ip_get_ip_block(adev, type);
616 
617 		if (!ip_block || !ip_block->status.valid)
618 			return -EINVAL;
619 
620 		if (adev->xcp_mgr && adev->xcp_mgr->num_xcps > 0 &&
621 		    fpriv->xcp_id >= 0 && fpriv->xcp_id < adev->xcp_mgr->num_xcps) {
622 			xcp = &adev->xcp_mgr->xcp[fpriv->xcp_id];
623 			switch (type) {
624 			case AMD_IP_BLOCK_TYPE_GFX:
625 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_GFX, &inst_mask);
626 				count = hweight32(inst_mask);
627 				break;
628 			case AMD_IP_BLOCK_TYPE_SDMA:
629 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_SDMA, &inst_mask);
630 				count = hweight32(inst_mask);
631 				break;
632 			case AMD_IP_BLOCK_TYPE_JPEG:
633 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
634 				count = hweight32(inst_mask) * adev->jpeg.num_jpeg_rings;
635 				break;
636 			case AMD_IP_BLOCK_TYPE_VCN:
637 				ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
638 				count = hweight32(inst_mask);
639 				break;
640 			default:
641 				return -EINVAL;
642 			}
643 			if (ret)
644 				return ret;
645 			return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
646 		}
647 
648 		switch (type) {
649 		case AMD_IP_BLOCK_TYPE_GFX:
650 		case AMD_IP_BLOCK_TYPE_VCE:
651 			count = 1;
652 			break;
653 		case AMD_IP_BLOCK_TYPE_SDMA:
654 			count = adev->sdma.num_instances;
655 			break;
656 		case AMD_IP_BLOCK_TYPE_JPEG:
657 			count = adev->jpeg.num_jpeg_inst * adev->jpeg.num_jpeg_rings;
658 			break;
659 		case AMD_IP_BLOCK_TYPE_VCN:
660 			count = adev->vcn.num_vcn_inst;
661 			break;
662 		case AMD_IP_BLOCK_TYPE_UVD:
663 			count = adev->uvd.num_uvd_inst;
664 			break;
665 		/* For all other IP block types not listed in the switch statement
666 		 * the ip status is valid here and the instance count is one.
667 		 */
668 		default:
669 			count = 1;
670 			break;
671 		}
672 
673 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
674 	}
675 	case AMDGPU_INFO_TIMESTAMP:
676 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
677 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
678 	case AMDGPU_INFO_FW_VERSION: {
679 		struct drm_amdgpu_info_firmware fw_info;
680 
681 		/* We only support one instance of each IP block right now. */
682 		if (info->query_fw.ip_instance != 0)
683 			return -EINVAL;
684 
685 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
686 		if (ret)
687 			return ret;
688 
689 		return copy_to_user(out, &fw_info,
690 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
691 	}
692 	case AMDGPU_INFO_NUM_BYTES_MOVED:
693 		ui64 = atomic64_read(&adev->num_bytes_moved);
694 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
695 	case AMDGPU_INFO_NUM_EVICTIONS:
696 		ui64 = atomic64_read(&adev->num_evictions);
697 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
698 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
699 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
700 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
701 	case AMDGPU_INFO_VRAM_USAGE:
702 		ui64 = ttm_resource_manager_usage(&adev->mman.vram_mgr.manager);
703 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
704 	case AMDGPU_INFO_VIS_VRAM_USAGE:
705 		ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
706 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
707 	case AMDGPU_INFO_GTT_USAGE:
708 		ui64 = ttm_resource_manager_usage(&adev->mman.gtt_mgr.manager);
709 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
710 	case AMDGPU_INFO_GDS_CONFIG: {
711 		struct drm_amdgpu_info_gds gds_info;
712 
713 		memset(&gds_info, 0, sizeof(gds_info));
714 		gds_info.compute_partition_size = adev->gds.gds_size;
715 		gds_info.gds_total_size = adev->gds.gds_size;
716 		gds_info.gws_per_compute_partition = adev->gds.gws_size;
717 		gds_info.oa_per_compute_partition = adev->gds.oa_size;
718 		return copy_to_user(out, &gds_info,
719 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
720 	}
721 	case AMDGPU_INFO_VRAM_GTT: {
722 		struct drm_amdgpu_info_vram_gtt vram_gtt;
723 
724 		vram_gtt.vram_size = adev->gmc.real_vram_size -
725 			atomic64_read(&adev->vram_pin_size) -
726 			AMDGPU_VM_RESERVED_VRAM;
727 		vram_gtt.vram_cpu_accessible_size =
728 			min(adev->gmc.visible_vram_size -
729 			    atomic64_read(&adev->visible_pin_size),
730 			    vram_gtt.vram_size);
731 		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
732 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
733 		return copy_to_user(out, &vram_gtt,
734 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
735 	}
736 	case AMDGPU_INFO_MEMORY: {
737 		struct drm_amdgpu_memory_info mem;
738 		struct ttm_resource_manager *gtt_man =
739 			&adev->mman.gtt_mgr.manager;
740 		struct ttm_resource_manager *vram_man =
741 			&adev->mman.vram_mgr.manager;
742 
743 		memset(&mem, 0, sizeof(mem));
744 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
745 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
746 			atomic64_read(&adev->vram_pin_size) -
747 			AMDGPU_VM_RESERVED_VRAM;
748 		mem.vram.heap_usage =
749 			ttm_resource_manager_usage(vram_man);
750 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
751 
752 		mem.cpu_accessible_vram.total_heap_size =
753 			adev->gmc.visible_vram_size;
754 		mem.cpu_accessible_vram.usable_heap_size =
755 			min(adev->gmc.visible_vram_size -
756 			    atomic64_read(&adev->visible_pin_size),
757 			    mem.vram.usable_heap_size);
758 		mem.cpu_accessible_vram.heap_usage =
759 			amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
760 		mem.cpu_accessible_vram.max_allocation =
761 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
762 
763 		mem.gtt.total_heap_size = gtt_man->size;
764 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
765 			atomic64_read(&adev->gart_pin_size);
766 		mem.gtt.heap_usage = ttm_resource_manager_usage(gtt_man);
767 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
768 
769 		return copy_to_user(out, &mem,
770 				    min((size_t)size, sizeof(mem)))
771 				    ? -EFAULT : 0;
772 	}
773 	case AMDGPU_INFO_READ_MMR_REG: {
774 		unsigned int n, alloc_size;
775 		uint32_t *regs;
776 		unsigned int se_num = (info->read_mmr_reg.instance >>
777 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
778 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
779 		unsigned int sh_num = (info->read_mmr_reg.instance >>
780 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
781 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
782 
783 		/* set full masks if the userspace set all bits
784 		 * in the bitfields
785 		 */
786 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
787 			se_num = 0xffffffff;
788 		else if (se_num >= AMDGPU_GFX_MAX_SE)
789 			return -EINVAL;
790 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
791 			sh_num = 0xffffffff;
792 		else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
793 			return -EINVAL;
794 
795 		if (info->read_mmr_reg.count > 128)
796 			return -EINVAL;
797 
798 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
799 		if (!regs)
800 			return -ENOMEM;
801 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
802 
803 		amdgpu_gfx_off_ctrl(adev, false);
804 		for (i = 0; i < info->read_mmr_reg.count; i++) {
805 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
806 						      info->read_mmr_reg.dword_offset + i,
807 						      &regs[i])) {
808 				DRM_DEBUG_KMS("unallowed offset %#x\n",
809 					      info->read_mmr_reg.dword_offset + i);
810 				kfree(regs);
811 				amdgpu_gfx_off_ctrl(adev, true);
812 				return -EFAULT;
813 			}
814 		}
815 		amdgpu_gfx_off_ctrl(adev, true);
816 		n = copy_to_user(out, regs, min(size, alloc_size));
817 		kfree(regs);
818 		return n ? -EFAULT : 0;
819 	}
820 	case AMDGPU_INFO_DEV_INFO: {
821 		struct drm_amdgpu_info_device *dev_info;
822 		uint64_t vm_size;
823 		uint32_t pcie_gen_mask;
824 
825 		dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
826 		if (!dev_info)
827 			return -ENOMEM;
828 
829 		dev_info->device_id = adev->pdev->device;
830 		dev_info->chip_rev = adev->rev_id;
831 		dev_info->external_rev = adev->external_rev_id;
832 		dev_info->pci_rev = adev->pdev->revision;
833 		dev_info->family = adev->family;
834 		dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
835 		dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
836 		/* return all clocks in KHz */
837 		dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
838 		if (adev->pm.dpm_enabled) {
839 			dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
840 			dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
841 			dev_info->min_engine_clock = amdgpu_dpm_get_sclk(adev, true) * 10;
842 			dev_info->min_memory_clock = amdgpu_dpm_get_mclk(adev, true) * 10;
843 		} else {
844 			dev_info->max_engine_clock =
845 				dev_info->min_engine_clock =
846 					adev->clock.default_sclk * 10;
847 			dev_info->max_memory_clock =
848 				dev_info->min_memory_clock =
849 					adev->clock.default_mclk * 10;
850 		}
851 		dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
852 		dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
853 			adev->gfx.config.max_shader_engines;
854 		dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
855 		dev_info->ids_flags = 0;
856 		if (adev->flags & AMD_IS_APU)
857 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
858 		if (adev->gfx.mcbp)
859 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
860 		if (amdgpu_is_tmz(adev))
861 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
862 		if (adev->gfx.config.ta_cntl2_truncate_coord_mode)
863 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD;
864 
865 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
866 		vm_size -= AMDGPU_VA_RESERVED_TOP;
867 
868 		/* Older VCE FW versions are buggy and can handle only 40bits */
869 		if (adev->vce.fw_version &&
870 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
871 			vm_size = min(vm_size, 1ULL << 40);
872 
873 		dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_BOTTOM;
874 		dev_info->virtual_address_max =
875 			min(vm_size, AMDGPU_GMC_HOLE_START);
876 
877 		if (vm_size > AMDGPU_GMC_HOLE_START) {
878 			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
879 			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
880 		}
881 		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
882 		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
883 		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
884 		dev_info->cu_active_number = adev->gfx.cu_info.number;
885 		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
886 		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
887 		memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
888 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
889 		memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
890 		       sizeof(dev_info->cu_bitmap));
891 		dev_info->vram_type = adev->gmc.vram_type;
892 		dev_info->vram_bit_width = adev->gmc.vram_width;
893 		dev_info->vce_harvest_config = adev->vce.harvest_config;
894 		dev_info->gc_double_offchip_lds_buf =
895 			adev->gfx.config.double_offchip_lds_buf;
896 		dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
897 		dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
898 		dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
899 		dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
900 		dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
901 		dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
902 		dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
903 
904 		if (adev->family >= AMDGPU_FAMILY_NV)
905 			dev_info->pa_sc_tile_steering_override =
906 				adev->gfx.config.pa_sc_tile_steering_override;
907 
908 		dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
909 
910 		/* Combine the chip gen mask with the platform (CPU/mobo) mask. */
911 		pcie_gen_mask = adev->pm.pcie_gen_mask & (adev->pm.pcie_gen_mask >> 16);
912 		dev_info->pcie_gen = fls(pcie_gen_mask);
913 		dev_info->pcie_num_lanes =
914 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 ? 32 :
915 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 ? 16 :
916 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 ? 12 :
917 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 ? 8 :
918 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 ? 4 :
919 			adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 ? 2 : 1;
920 
921 		dev_info->tcp_cache_size = adev->gfx.config.gc_tcp_l1_size;
922 		dev_info->num_sqc_per_wgp = adev->gfx.config.gc_num_sqc_per_wgp;
923 		dev_info->sqc_data_cache_size = adev->gfx.config.gc_l1_data_cache_size_per_sqc;
924 		dev_info->sqc_inst_cache_size = adev->gfx.config.gc_l1_instruction_cache_size_per_sqc;
925 		dev_info->gl1c_cache_size = adev->gfx.config.gc_gl1c_size_per_instance *
926 					    adev->gfx.config.gc_gl1c_per_sa;
927 		dev_info->gl2c_cache_size = adev->gfx.config.gc_gl2c_per_gpu;
928 		dev_info->mall_size = adev->gmc.mall_size;
929 
930 
931 		if (adev->gfx.funcs->get_gfx_shadow_info) {
932 			struct amdgpu_gfx_shadow_info shadow_info;
933 
934 			ret = amdgpu_gfx_get_gfx_shadow_info(adev, &shadow_info);
935 			if (!ret) {
936 				dev_info->shadow_size = shadow_info.shadow_size;
937 				dev_info->shadow_alignment = shadow_info.shadow_alignment;
938 				dev_info->csa_size = shadow_info.csa_size;
939 				dev_info->csa_alignment = shadow_info.csa_alignment;
940 			}
941 		}
942 
943 		ret = copy_to_user(out, dev_info,
944 				   min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
945 		kfree(dev_info);
946 		return ret;
947 	}
948 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
949 		unsigned int i;
950 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
951 		struct amd_vce_state *vce_state;
952 
953 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
954 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
955 			if (vce_state) {
956 				vce_clk_table.entries[i].sclk = vce_state->sclk;
957 				vce_clk_table.entries[i].mclk = vce_state->mclk;
958 				vce_clk_table.entries[i].eclk = vce_state->evclk;
959 				vce_clk_table.num_valid_entries++;
960 			}
961 		}
962 
963 		return copy_to_user(out, &vce_clk_table,
964 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
965 	}
966 	case AMDGPU_INFO_VBIOS: {
967 		uint32_t bios_size = adev->bios_size;
968 
969 		switch (info->vbios_info.type) {
970 		case AMDGPU_INFO_VBIOS_SIZE:
971 			return copy_to_user(out, &bios_size,
972 					min((size_t)size, sizeof(bios_size)))
973 					? -EFAULT : 0;
974 		case AMDGPU_INFO_VBIOS_IMAGE: {
975 			uint8_t *bios;
976 			uint32_t bios_offset = info->vbios_info.offset;
977 
978 			if (bios_offset >= bios_size)
979 				return -EINVAL;
980 
981 			bios = adev->bios + bios_offset;
982 			return copy_to_user(out, bios,
983 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
984 					? -EFAULT : 0;
985 		}
986 		case AMDGPU_INFO_VBIOS_INFO: {
987 			struct drm_amdgpu_info_vbios vbios_info = {};
988 			struct atom_context *atom_context;
989 
990 			atom_context = adev->mode_info.atom_context;
991 			if (atom_context) {
992 				memcpy(vbios_info.name, atom_context->name,
993 				       sizeof(atom_context->name));
994 				memcpy(vbios_info.vbios_pn, atom_context->vbios_pn,
995 				       sizeof(atom_context->vbios_pn));
996 				vbios_info.version = atom_context->version;
997 				memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
998 				       sizeof(atom_context->vbios_ver_str));
999 				memcpy(vbios_info.date, atom_context->date,
1000 				       sizeof(atom_context->date));
1001 			}
1002 
1003 			return copy_to_user(out, &vbios_info,
1004 						min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
1005 		}
1006 		default:
1007 			DRM_DEBUG_KMS("Invalid request %d\n",
1008 					info->vbios_info.type);
1009 			return -EINVAL;
1010 		}
1011 	}
1012 	case AMDGPU_INFO_NUM_HANDLES: {
1013 		struct drm_amdgpu_info_num_handles handle;
1014 
1015 		switch (info->query_hw_ip.type) {
1016 		case AMDGPU_HW_IP_UVD:
1017 			/* Starting Polaris, we support unlimited UVD handles */
1018 			if (adev->asic_type < CHIP_POLARIS10) {
1019 				handle.uvd_max_handles = adev->uvd.max_handles;
1020 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
1021 
1022 				return copy_to_user(out, &handle,
1023 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
1024 			} else {
1025 				return -ENODATA;
1026 			}
1027 
1028 			break;
1029 		default:
1030 			return -EINVAL;
1031 		}
1032 	}
1033 	case AMDGPU_INFO_SENSOR: {
1034 		if (!adev->pm.dpm_enabled)
1035 			return -ENOENT;
1036 
1037 		switch (info->sensor_info.type) {
1038 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
1039 			/* get sclk in Mhz */
1040 			if (amdgpu_dpm_read_sensor(adev,
1041 						   AMDGPU_PP_SENSOR_GFX_SCLK,
1042 						   (void *)&ui32, &ui32_size)) {
1043 				return -EINVAL;
1044 			}
1045 			ui32 /= 100;
1046 			break;
1047 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
1048 			/* get mclk in Mhz */
1049 			if (amdgpu_dpm_read_sensor(adev,
1050 						   AMDGPU_PP_SENSOR_GFX_MCLK,
1051 						   (void *)&ui32, &ui32_size)) {
1052 				return -EINVAL;
1053 			}
1054 			ui32 /= 100;
1055 			break;
1056 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
1057 			/* get temperature in millidegrees C */
1058 			if (amdgpu_dpm_read_sensor(adev,
1059 						   AMDGPU_PP_SENSOR_GPU_TEMP,
1060 						   (void *)&ui32, &ui32_size)) {
1061 				return -EINVAL;
1062 			}
1063 			break;
1064 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
1065 			/* get GPU load */
1066 			if (amdgpu_dpm_read_sensor(adev,
1067 						   AMDGPU_PP_SENSOR_GPU_LOAD,
1068 						   (void *)&ui32, &ui32_size)) {
1069 				return -EINVAL;
1070 			}
1071 			break;
1072 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
1073 			/* get average GPU power */
1074 			if (amdgpu_dpm_read_sensor(adev,
1075 						   AMDGPU_PP_SENSOR_GPU_AVG_POWER,
1076 						   (void *)&ui32, &ui32_size)) {
1077 				/* fall back to input power for backwards compat */
1078 				if (amdgpu_dpm_read_sensor(adev,
1079 							   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1080 							   (void *)&ui32, &ui32_size)) {
1081 					return -EINVAL;
1082 				}
1083 			}
1084 			ui32 >>= 8;
1085 			break;
1086 		case AMDGPU_INFO_SENSOR_GPU_INPUT_POWER:
1087 			/* get input GPU power */
1088 			if (amdgpu_dpm_read_sensor(adev,
1089 						   AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
1090 						   (void *)&ui32, &ui32_size)) {
1091 				return -EINVAL;
1092 			}
1093 			ui32 >>= 8;
1094 			break;
1095 		case AMDGPU_INFO_SENSOR_VDDNB:
1096 			/* get VDDNB in millivolts */
1097 			if (amdgpu_dpm_read_sensor(adev,
1098 						   AMDGPU_PP_SENSOR_VDDNB,
1099 						   (void *)&ui32, &ui32_size)) {
1100 				return -EINVAL;
1101 			}
1102 			break;
1103 		case AMDGPU_INFO_SENSOR_VDDGFX:
1104 			/* get VDDGFX in millivolts */
1105 			if (amdgpu_dpm_read_sensor(adev,
1106 						   AMDGPU_PP_SENSOR_VDDGFX,
1107 						   (void *)&ui32, &ui32_size)) {
1108 				return -EINVAL;
1109 			}
1110 			break;
1111 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1112 			/* get stable pstate sclk in Mhz */
1113 			if (amdgpu_dpm_read_sensor(adev,
1114 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1115 						   (void *)&ui32, &ui32_size)) {
1116 				return -EINVAL;
1117 			}
1118 			ui32 /= 100;
1119 			break;
1120 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1121 			/* get stable pstate mclk in Mhz */
1122 			if (amdgpu_dpm_read_sensor(adev,
1123 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1124 						   (void *)&ui32, &ui32_size)) {
1125 				return -EINVAL;
1126 			}
1127 			ui32 /= 100;
1128 			break;
1129 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK:
1130 			/* get peak pstate sclk in Mhz */
1131 			if (amdgpu_dpm_read_sensor(adev,
1132 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK,
1133 						   (void *)&ui32, &ui32_size)) {
1134 				return -EINVAL;
1135 			}
1136 			ui32 /= 100;
1137 			break;
1138 		case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK:
1139 			/* get peak pstate mclk in Mhz */
1140 			if (amdgpu_dpm_read_sensor(adev,
1141 						   AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK,
1142 						   (void *)&ui32, &ui32_size)) {
1143 				return -EINVAL;
1144 			}
1145 			ui32 /= 100;
1146 			break;
1147 		default:
1148 			DRM_DEBUG_KMS("Invalid request %d\n",
1149 				      info->sensor_info.type);
1150 			return -EINVAL;
1151 		}
1152 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1153 	}
1154 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
1155 		ui32 = atomic_read(&adev->vram_lost_counter);
1156 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1157 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1158 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1159 		uint64_t ras_mask;
1160 
1161 		if (!ras)
1162 			return -EINVAL;
1163 		ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1164 
1165 		return copy_to_user(out, &ras_mask,
1166 				min_t(u64, size, sizeof(ras_mask))) ?
1167 			-EFAULT : 0;
1168 	}
1169 	case AMDGPU_INFO_VIDEO_CAPS: {
1170 		const struct amdgpu_video_codecs *codecs;
1171 		struct drm_amdgpu_info_video_caps *caps;
1172 		int r;
1173 
1174 		if (!adev->asic_funcs->query_video_codecs)
1175 			return -EINVAL;
1176 
1177 		switch (info->video_cap.type) {
1178 		case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1179 			r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1180 			if (r)
1181 				return -EINVAL;
1182 			break;
1183 		case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1184 			r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1185 			if (r)
1186 				return -EINVAL;
1187 			break;
1188 		default:
1189 			DRM_DEBUG_KMS("Invalid request %d\n",
1190 				      info->video_cap.type);
1191 			return -EINVAL;
1192 		}
1193 
1194 		caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1195 		if (!caps)
1196 			return -ENOMEM;
1197 
1198 		for (i = 0; i < codecs->codec_count; i++) {
1199 			int idx = codecs->codec_array[i].codec_type;
1200 
1201 			switch (idx) {
1202 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1203 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1204 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1205 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1206 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1207 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1208 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1209 			case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1210 				caps->codec_info[idx].valid = 1;
1211 				caps->codec_info[idx].max_width =
1212 					codecs->codec_array[i].max_width;
1213 				caps->codec_info[idx].max_height =
1214 					codecs->codec_array[i].max_height;
1215 				caps->codec_info[idx].max_pixels_per_frame =
1216 					codecs->codec_array[i].max_pixels_per_frame;
1217 				caps->codec_info[idx].max_level =
1218 					codecs->codec_array[i].max_level;
1219 				break;
1220 			default:
1221 				break;
1222 			}
1223 		}
1224 		r = copy_to_user(out, caps,
1225 				 min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1226 		kfree(caps);
1227 		return r;
1228 	}
1229 	case AMDGPU_INFO_MAX_IBS: {
1230 		uint32_t max_ibs[AMDGPU_HW_IP_NUM];
1231 
1232 		for (i = 0; i < AMDGPU_HW_IP_NUM; ++i)
1233 			max_ibs[i] = amdgpu_ring_max_ibs(i);
1234 
1235 		return copy_to_user(out, max_ibs,
1236 				    min((size_t)size, sizeof(max_ibs))) ? -EFAULT : 0;
1237 	}
1238 	case AMDGPU_INFO_GPUVM_FAULT: {
1239 		struct amdgpu_fpriv *fpriv = filp->driver_priv;
1240 		struct amdgpu_vm *vm = &fpriv->vm;
1241 		struct drm_amdgpu_info_gpuvm_fault gpuvm_fault;
1242 		unsigned long flags;
1243 
1244 		if (!vm)
1245 			return -EINVAL;
1246 
1247 		memset(&gpuvm_fault, 0, sizeof(gpuvm_fault));
1248 
1249 		xa_lock_irqsave(&adev->vm_manager.pasids, flags);
1250 		gpuvm_fault.addr = vm->fault_info.addr;
1251 		gpuvm_fault.status = vm->fault_info.status;
1252 		gpuvm_fault.vmhub = vm->fault_info.vmhub;
1253 		xa_unlock_irqrestore(&adev->vm_manager.pasids, flags);
1254 
1255 		return copy_to_user(out, &gpuvm_fault,
1256 				    min((size_t)size, sizeof(gpuvm_fault))) ? -EFAULT : 0;
1257 	}
1258 	default:
1259 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1260 		return -EINVAL;
1261 	}
1262 	return 0;
1263 }
1264 
1265 
1266 /*
1267  * Outdated mess for old drm with Xorg being in charge (void function now).
1268  */
1269 /**
1270  * amdgpu_driver_lastclose_kms - drm callback for last close
1271  *
1272  * @dev: drm dev pointer
1273  *
1274  * Switch vga_switcheroo state after last close (all asics).
1275  */
amdgpu_driver_lastclose_kms(struct drm_device * dev)1276 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
1277 {
1278 	drm_fb_helper_lastclose(dev);
1279 	vga_switcheroo_process_delayed_switch();
1280 }
1281 
1282 /**
1283  * amdgpu_driver_open_kms - drm callback for open
1284  *
1285  * @dev: drm dev pointer
1286  * @file_priv: drm file
1287  *
1288  * On device open, init vm on cayman+ (all asics).
1289  * Returns 0 on success, error on failure.
1290  */
amdgpu_driver_open_kms(struct drm_device * dev,struct drm_file * file_priv)1291 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1292 {
1293 	struct amdgpu_device *adev = drm_to_adev(dev);
1294 	struct amdgpu_fpriv *fpriv;
1295 	int r, pasid;
1296 
1297 	/* Ensure IB tests are run on ring */
1298 	flush_delayed_work(&adev->delayed_init_work);
1299 
1300 
1301 	if (amdgpu_ras_intr_triggered()) {
1302 		DRM_ERROR("RAS Intr triggered, device disabled!!");
1303 		return -EHWPOISON;
1304 	}
1305 
1306 	file_priv->driver_priv = NULL;
1307 
1308 	r = pm_runtime_get_sync(dev->dev);
1309 	if (r < 0)
1310 		goto pm_put;
1311 
1312 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1313 	if (unlikely(!fpriv)) {
1314 		r = -ENOMEM;
1315 		goto out_suspend;
1316 	}
1317 
1318 	pasid = amdgpu_pasid_alloc(16);
1319 	if (pasid < 0) {
1320 		dev_warn(adev->dev, "No more PASIDs available!");
1321 		pasid = 0;
1322 	}
1323 
1324 	r = amdgpu_xcp_open_device(adev, fpriv, file_priv);
1325 	if (r)
1326 		goto error_pasid;
1327 
1328 	r = amdgpu_vm_init(adev, &fpriv->vm, fpriv->xcp_id);
1329 	if (r)
1330 		goto error_pasid;
1331 
1332 	r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
1333 	if (r)
1334 		goto error_vm;
1335 
1336 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1337 	if (!fpriv->prt_va) {
1338 		r = -ENOMEM;
1339 		goto error_vm;
1340 	}
1341 
1342 	if (adev->gfx.mcbp) {
1343 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1344 
1345 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1346 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1347 		if (r)
1348 			goto error_vm;
1349 	}
1350 
1351 	r = amdgpu_seq64_map(adev, &fpriv->vm, &fpriv->seq64_va);
1352 	if (r)
1353 		goto error_vm;
1354 
1355 	mutex_init(&fpriv->bo_list_lock);
1356 	idr_init_base(&fpriv->bo_list_handles, 1);
1357 
1358 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr, adev);
1359 
1360 	file_priv->driver_priv = fpriv;
1361 	goto out_suspend;
1362 
1363 error_vm:
1364 	amdgpu_vm_fini(adev, &fpriv->vm);
1365 
1366 error_pasid:
1367 	if (pasid) {
1368 		amdgpu_pasid_free(pasid);
1369 		amdgpu_vm_set_pasid(adev, &fpriv->vm, 0);
1370 	}
1371 
1372 	kfree(fpriv);
1373 
1374 out_suspend:
1375 	pm_runtime_mark_last_busy(dev->dev);
1376 pm_put:
1377 	pm_runtime_put_autosuspend(dev->dev);
1378 
1379 	return r;
1380 }
1381 
1382 /**
1383  * amdgpu_driver_postclose_kms - drm callback for post close
1384  *
1385  * @dev: drm dev pointer
1386  * @file_priv: drm file
1387  *
1388  * On device post close, tear down vm on cayman+ (all asics).
1389  */
amdgpu_driver_postclose_kms(struct drm_device * dev,struct drm_file * file_priv)1390 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1391 				 struct drm_file *file_priv)
1392 {
1393 	struct amdgpu_device *adev = drm_to_adev(dev);
1394 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1395 	struct amdgpu_bo_list *list;
1396 	struct amdgpu_bo *pd;
1397 	u32 pasid;
1398 	int handle;
1399 
1400 	if (!fpriv)
1401 		return;
1402 
1403 	pm_runtime_get_sync(dev->dev);
1404 
1405 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1406 		amdgpu_uvd_free_handles(adev, file_priv);
1407 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1408 		amdgpu_vce_free_handles(adev, file_priv);
1409 
1410 	if (fpriv->csa_va) {
1411 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1412 
1413 		WARN_ON(amdgpu_unmap_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1414 						fpriv->csa_va, csa_addr));
1415 		fpriv->csa_va = NULL;
1416 	}
1417 
1418 	amdgpu_seq64_unmap(adev, fpriv);
1419 
1420 	pasid = fpriv->vm.pasid;
1421 	pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1422 	if (!WARN_ON(amdgpu_bo_reserve(pd, true))) {
1423 		amdgpu_vm_bo_del(adev, fpriv->prt_va);
1424 		amdgpu_bo_unreserve(pd);
1425 	}
1426 
1427 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1428 	amdgpu_vm_fini(adev, &fpriv->vm);
1429 
1430 	if (pasid)
1431 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1432 	amdgpu_bo_unref(&pd);
1433 
1434 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1435 		amdgpu_bo_list_put(list);
1436 
1437 	idr_destroy(&fpriv->bo_list_handles);
1438 	mutex_destroy(&fpriv->bo_list_lock);
1439 
1440 	kfree(fpriv);
1441 	file_priv->driver_priv = NULL;
1442 
1443 	pm_runtime_mark_last_busy(dev->dev);
1444 	pm_runtime_put_autosuspend(dev->dev);
1445 }
1446 
1447 
amdgpu_driver_release_kms(struct drm_device * dev)1448 void amdgpu_driver_release_kms(struct drm_device *dev)
1449 {
1450 	struct amdgpu_device *adev = drm_to_adev(dev);
1451 
1452 	amdgpu_device_fini_sw(adev);
1453 	pci_set_drvdata(adev->pdev, NULL);
1454 }
1455 
1456 /*
1457  * VBlank related functions.
1458  */
1459 /**
1460  * amdgpu_get_vblank_counter_kms - get frame count
1461  *
1462  * @crtc: crtc to get the frame count from
1463  *
1464  * Gets the frame count on the requested crtc (all asics).
1465  * Returns frame count on success, -EINVAL on failure.
1466  */
amdgpu_get_vblank_counter_kms(struct drm_crtc * crtc)1467 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1468 {
1469 	struct drm_device *dev = crtc->dev;
1470 	unsigned int pipe = crtc->index;
1471 	struct amdgpu_device *adev = drm_to_adev(dev);
1472 	int vpos, hpos, stat;
1473 	u32 count;
1474 
1475 	if (pipe >= adev->mode_info.num_crtc) {
1476 		DRM_ERROR("Invalid crtc %u\n", pipe);
1477 		return -EINVAL;
1478 	}
1479 
1480 	/* The hw increments its frame counter at start of vsync, not at start
1481 	 * of vblank, as is required by DRM core vblank counter handling.
1482 	 * Cook the hw count here to make it appear to the caller as if it
1483 	 * incremented at start of vblank. We measure distance to start of
1484 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1485 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1486 	 * result by 1 to give the proper appearance to caller.
1487 	 */
1488 	if (adev->mode_info.crtcs[pipe]) {
1489 		/* Repeat readout if needed to provide stable result if
1490 		 * we cross start of vsync during the queries.
1491 		 */
1492 		do {
1493 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1494 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1495 			 * vpos as distance to start of vblank, instead of
1496 			 * regular vertical scanout pos.
1497 			 */
1498 			stat = amdgpu_display_get_crtc_scanoutpos(
1499 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1500 				&vpos, &hpos, NULL, NULL,
1501 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1502 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1503 
1504 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1505 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1506 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1507 		} else {
1508 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1509 				      pipe, vpos);
1510 
1511 			/* Bump counter if we are at >= leading edge of vblank,
1512 			 * but before vsync where vpos would turn negative and
1513 			 * the hw counter really increments.
1514 			 */
1515 			if (vpos >= 0)
1516 				count++;
1517 		}
1518 	} else {
1519 		/* Fallback to use value as is. */
1520 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1521 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1522 	}
1523 
1524 	return count;
1525 }
1526 
1527 /**
1528  * amdgpu_enable_vblank_kms - enable vblank interrupt
1529  *
1530  * @crtc: crtc to enable vblank interrupt for
1531  *
1532  * Enable the interrupt on the requested crtc (all asics).
1533  * Returns 0 on success, -EINVAL on failure.
1534  */
amdgpu_enable_vblank_kms(struct drm_crtc * crtc)1535 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1536 {
1537 	struct drm_device *dev = crtc->dev;
1538 	unsigned int pipe = crtc->index;
1539 	struct amdgpu_device *adev = drm_to_adev(dev);
1540 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1541 
1542 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1543 }
1544 
1545 /**
1546  * amdgpu_disable_vblank_kms - disable vblank interrupt
1547  *
1548  * @crtc: crtc to disable vblank interrupt for
1549  *
1550  * Disable the interrupt on the requested crtc (all asics).
1551  */
amdgpu_disable_vblank_kms(struct drm_crtc * crtc)1552 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1553 {
1554 	struct drm_device *dev = crtc->dev;
1555 	unsigned int pipe = crtc->index;
1556 	struct amdgpu_device *adev = drm_to_adev(dev);
1557 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1558 
1559 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1560 }
1561 
1562 /*
1563  * Debugfs info
1564  */
1565 #if defined(CONFIG_DEBUG_FS)
1566 
amdgpu_debugfs_firmware_info_show(struct seq_file * m,void * unused)1567 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1568 {
1569 	struct amdgpu_device *adev = m->private;
1570 	struct drm_amdgpu_info_firmware fw_info;
1571 	struct drm_amdgpu_query_fw query_fw;
1572 	struct atom_context *ctx = adev->mode_info.atom_context;
1573 	uint8_t smu_program, smu_major, smu_minor, smu_debug;
1574 	int ret, i;
1575 
1576 	static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1577 #define TA_FW_NAME(type)[TA_FW_TYPE_PSP_##type] = #type
1578 		TA_FW_NAME(XGMI),
1579 		TA_FW_NAME(RAS),
1580 		TA_FW_NAME(HDCP),
1581 		TA_FW_NAME(DTM),
1582 		TA_FW_NAME(RAP),
1583 		TA_FW_NAME(SECUREDISPLAY),
1584 #undef TA_FW_NAME
1585 	};
1586 
1587 	/* VCE */
1588 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1589 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1590 	if (ret)
1591 		return ret;
1592 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1593 		   fw_info.feature, fw_info.ver);
1594 
1595 	/* UVD */
1596 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1597 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1598 	if (ret)
1599 		return ret;
1600 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1601 		   fw_info.feature, fw_info.ver);
1602 
1603 	/* GMC */
1604 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1605 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1606 	if (ret)
1607 		return ret;
1608 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1609 		   fw_info.feature, fw_info.ver);
1610 
1611 	/* ME */
1612 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1613 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1614 	if (ret)
1615 		return ret;
1616 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1617 		   fw_info.feature, fw_info.ver);
1618 
1619 	/* PFP */
1620 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1621 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1622 	if (ret)
1623 		return ret;
1624 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1625 		   fw_info.feature, fw_info.ver);
1626 
1627 	/* CE */
1628 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1629 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1630 	if (ret)
1631 		return ret;
1632 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1633 		   fw_info.feature, fw_info.ver);
1634 
1635 	/* RLC */
1636 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1637 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1638 	if (ret)
1639 		return ret;
1640 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1641 		   fw_info.feature, fw_info.ver);
1642 
1643 	/* RLC SAVE RESTORE LIST CNTL */
1644 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1645 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1646 	if (ret)
1647 		return ret;
1648 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1649 		   fw_info.feature, fw_info.ver);
1650 
1651 	/* RLC SAVE RESTORE LIST GPM MEM */
1652 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1653 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1654 	if (ret)
1655 		return ret;
1656 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1657 		   fw_info.feature, fw_info.ver);
1658 
1659 	/* RLC SAVE RESTORE LIST SRM MEM */
1660 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1661 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1662 	if (ret)
1663 		return ret;
1664 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1665 		   fw_info.feature, fw_info.ver);
1666 
1667 	/* RLCP */
1668 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCP;
1669 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1670 	if (ret)
1671 		return ret;
1672 	seq_printf(m, "RLCP feature version: %u, firmware version: 0x%08x\n",
1673 		   fw_info.feature, fw_info.ver);
1674 
1675 	/* RLCV */
1676 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCV;
1677 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1678 	if (ret)
1679 		return ret;
1680 	seq_printf(m, "RLCV feature version: %u, firmware version: 0x%08x\n",
1681 		   fw_info.feature, fw_info.ver);
1682 
1683 	/* MEC */
1684 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1685 	query_fw.index = 0;
1686 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1687 	if (ret)
1688 		return ret;
1689 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1690 		   fw_info.feature, fw_info.ver);
1691 
1692 	/* MEC2 */
1693 	if (adev->gfx.mec2_fw) {
1694 		query_fw.index = 1;
1695 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1696 		if (ret)
1697 			return ret;
1698 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1699 			   fw_info.feature, fw_info.ver);
1700 	}
1701 
1702 	/* IMU */
1703 	query_fw.fw_type = AMDGPU_INFO_FW_IMU;
1704 	query_fw.index = 0;
1705 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1706 	if (ret)
1707 		return ret;
1708 	seq_printf(m, "IMU feature version: %u, firmware version: 0x%08x\n",
1709 		   fw_info.feature, fw_info.ver);
1710 
1711 	/* PSP SOS */
1712 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1713 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1714 	if (ret)
1715 		return ret;
1716 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1717 		   fw_info.feature, fw_info.ver);
1718 
1719 
1720 	/* PSP ASD */
1721 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1722 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1723 	if (ret)
1724 		return ret;
1725 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1726 		   fw_info.feature, fw_info.ver);
1727 
1728 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1729 	for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1730 		query_fw.index = i;
1731 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1732 		if (ret)
1733 			continue;
1734 
1735 		seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1736 			   ta_fw_name[i], fw_info.feature, fw_info.ver);
1737 	}
1738 
1739 	/* SMC */
1740 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1741 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1742 	if (ret)
1743 		return ret;
1744 	smu_program = (fw_info.ver >> 24) & 0xff;
1745 	smu_major = (fw_info.ver >> 16) & 0xff;
1746 	smu_minor = (fw_info.ver >> 8) & 0xff;
1747 	smu_debug = (fw_info.ver >> 0) & 0xff;
1748 	seq_printf(m, "SMC feature version: %u, program: %d, firmware version: 0x%08x (%d.%d.%d)\n",
1749 		   fw_info.feature, smu_program, fw_info.ver, smu_major, smu_minor, smu_debug);
1750 
1751 	/* SDMA */
1752 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1753 	for (i = 0; i < adev->sdma.num_instances; i++) {
1754 		query_fw.index = i;
1755 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1756 		if (ret)
1757 			return ret;
1758 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1759 			   i, fw_info.feature, fw_info.ver);
1760 	}
1761 
1762 	/* VCN */
1763 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1764 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1765 	if (ret)
1766 		return ret;
1767 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1768 		   fw_info.feature, fw_info.ver);
1769 
1770 	/* DMCU */
1771 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1772 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1773 	if (ret)
1774 		return ret;
1775 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1776 		   fw_info.feature, fw_info.ver);
1777 
1778 	/* DMCUB */
1779 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1780 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1781 	if (ret)
1782 		return ret;
1783 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1784 		   fw_info.feature, fw_info.ver);
1785 
1786 	/* TOC */
1787 	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1788 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1789 	if (ret)
1790 		return ret;
1791 	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1792 		   fw_info.feature, fw_info.ver);
1793 
1794 	/* CAP */
1795 	if (adev->psp.cap_fw) {
1796 		query_fw.fw_type = AMDGPU_INFO_FW_CAP;
1797 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1798 		if (ret)
1799 			return ret;
1800 		seq_printf(m, "CAP feature version: %u, firmware version: 0x%08x\n",
1801 				fw_info.feature, fw_info.ver);
1802 	}
1803 
1804 	/* MES_KIQ */
1805 	query_fw.fw_type = AMDGPU_INFO_FW_MES_KIQ;
1806 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1807 	if (ret)
1808 		return ret;
1809 	seq_printf(m, "MES_KIQ feature version: %u, firmware version: 0x%08x\n",
1810 		   fw_info.feature, fw_info.ver);
1811 
1812 	/* MES */
1813 	query_fw.fw_type = AMDGPU_INFO_FW_MES;
1814 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1815 	if (ret)
1816 		return ret;
1817 	seq_printf(m, "MES feature version: %u, firmware version: 0x%08x\n",
1818 		   fw_info.feature, fw_info.ver);
1819 
1820 	/* VPE */
1821 	query_fw.fw_type = AMDGPU_INFO_FW_VPE;
1822 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1823 	if (ret)
1824 		return ret;
1825 	seq_printf(m, "VPE feature version: %u, firmware version: 0x%08x\n",
1826 		   fw_info.feature, fw_info.ver);
1827 
1828 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_pn);
1829 
1830 	return 0;
1831 }
1832 
1833 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1834 
1835 #endif
1836 
amdgpu_debugfs_firmware_init(struct amdgpu_device * adev)1837 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1838 {
1839 #if defined(CONFIG_DEBUG_FS)
1840 	struct drm_minor *minor = adev_to_drm(adev)->primary;
1841 	struct dentry *root = minor->debugfs_root;
1842 
1843 	debugfs_create_file("amdgpu_firmware_info", 0444, root,
1844 			    adev, &amdgpu_debugfs_firmware_info_fops);
1845 
1846 #endif
1847 }
1848