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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/drm_debugfs.h>
31 #include <drm/amdgpu_drm.h>
32 #include "amdgpu_sched.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 
amdgpu_unregister_gpu_instance(struct amdgpu_device * adev)47 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
48 {
49 	struct amdgpu_gpu_instance *gpu_instance;
50 	int i;
51 
52 	mutex_lock(&mgpu_info.mutex);
53 
54 	for (i = 0; i < mgpu_info.num_gpu; i++) {
55 		gpu_instance = &(mgpu_info.gpu_ins[i]);
56 		if (gpu_instance->adev == adev) {
57 			mgpu_info.gpu_ins[i] =
58 				mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
59 			mgpu_info.num_gpu--;
60 			if (adev->flags & AMD_IS_APU)
61 				mgpu_info.num_apu--;
62 			else
63 				mgpu_info.num_dgpu--;
64 			break;
65 		}
66 	}
67 
68 	mutex_unlock(&mgpu_info.mutex);
69 }
70 
71 /**
72  * amdgpu_driver_unload_kms - Main unload function for KMS.
73  *
74  * @dev: drm dev pointer
75  *
76  * This is the main unload function for KMS (all asics).
77  * Returns 0 on success.
78  */
amdgpu_driver_unload_kms(struct drm_device * dev)79 void amdgpu_driver_unload_kms(struct drm_device *dev)
80 {
81 	struct amdgpu_device *adev = drm_to_adev(dev);
82 
83 	if (adev == NULL)
84 		return;
85 
86 	amdgpu_unregister_gpu_instance(adev);
87 
88 	if (adev->rmmio == NULL)
89 		return;
90 
91 	if (adev->runpm) {
92 		pm_runtime_get_sync(dev->dev);
93 		pm_runtime_forbid(dev->dev);
94 	}
95 
96 	amdgpu_acpi_fini(adev);
97 	amdgpu_device_fini(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 	if (amdgpu_has_atpx() &&
142 	    (amdgpu_is_atpx_hybrid() ||
143 	     amdgpu_has_atpx_dgpu_power_cntl()) &&
144 	    ((flags & AMD_IS_APU) == 0) &&
145 	    !pci_is_thunderbolt_attached(dev->pdev))
146 		flags |= AMD_IS_PX;
147 
148 	/* amdgpu_device_init should report only fatal error
149 	 * like memory allocation failure or iomapping failure,
150 	 * or memory manager initialization failure, it must
151 	 * properly initialize the GPU MC controller and permit
152 	 * VRAM allocation
153 	 */
154 	r = amdgpu_device_init(adev, flags);
155 	if (r) {
156 		dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
157 		goto out;
158 	}
159 
160 	if (amdgpu_device_supports_boco(dev) &&
161 	    (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
162 		adev->runpm = true;
163 	} else if (amdgpu_device_supports_baco(dev) &&
164 		   (amdgpu_runtime_pm != 0)) {
165 		switch (adev->asic_type) {
166 #ifdef CONFIG_DRM_AMDGPU_CIK
167 		case CHIP_BONAIRE:
168 		case CHIP_HAWAII:
169 #endif
170 		case CHIP_VEGA20:
171 		case CHIP_ARCTURUS:
172 		case CHIP_SIENNA_CICHLID:
173 		case CHIP_NAVY_FLOUNDER:
174 			/* enable runpm if runpm=1 */
175 			if (amdgpu_runtime_pm > 0)
176 				adev->runpm = true;
177 			break;
178 		case CHIP_VEGA10:
179 			/* turn runpm on if noretry=0 */
180 			if (!adev->gmc.noretry)
181 				adev->runpm = true;
182 			break;
183 		default:
184 			/* enable runpm on VI+ */
185 			adev->runpm = true;
186 			break;
187 		}
188 	}
189 
190 	/* Call ACPI methods: require modeset init
191 	 * but failure is not fatal
192 	 */
193 
194 	acpi_status = amdgpu_acpi_init(adev);
195 	if (acpi_status)
196 		dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n");
197 
198 	if (adev->runpm) {
199 		/* only need to skip on ATPX */
200 		if (amdgpu_device_supports_boco(dev) &&
201 		    !amdgpu_is_atpx_hybrid())
202 			dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
203 		pm_runtime_use_autosuspend(dev->dev);
204 		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
205 		pm_runtime_allow(dev->dev);
206 		pm_runtime_mark_last_busy(dev->dev);
207 		pm_runtime_put_autosuspend(dev->dev);
208 	}
209 
210 out:
211 	if (r) {
212 		/* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
213 		if (adev->rmmio && adev->runpm)
214 			pm_runtime_put_noidle(dev->dev);
215 		amdgpu_driver_unload_kms(dev);
216 	}
217 
218 	return r;
219 }
220 
amdgpu_firmware_info(struct drm_amdgpu_info_firmware * fw_info,struct drm_amdgpu_query_fw * query_fw,struct amdgpu_device * adev)221 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
222 				struct drm_amdgpu_query_fw *query_fw,
223 				struct amdgpu_device *adev)
224 {
225 	switch (query_fw->fw_type) {
226 	case AMDGPU_INFO_FW_VCE:
227 		fw_info->ver = adev->vce.fw_version;
228 		fw_info->feature = adev->vce.fb_version;
229 		break;
230 	case AMDGPU_INFO_FW_UVD:
231 		fw_info->ver = adev->uvd.fw_version;
232 		fw_info->feature = 0;
233 		break;
234 	case AMDGPU_INFO_FW_VCN:
235 		fw_info->ver = adev->vcn.fw_version;
236 		fw_info->feature = 0;
237 		break;
238 	case AMDGPU_INFO_FW_GMC:
239 		fw_info->ver = adev->gmc.fw_version;
240 		fw_info->feature = 0;
241 		break;
242 	case AMDGPU_INFO_FW_GFX_ME:
243 		fw_info->ver = adev->gfx.me_fw_version;
244 		fw_info->feature = adev->gfx.me_feature_version;
245 		break;
246 	case AMDGPU_INFO_FW_GFX_PFP:
247 		fw_info->ver = adev->gfx.pfp_fw_version;
248 		fw_info->feature = adev->gfx.pfp_feature_version;
249 		break;
250 	case AMDGPU_INFO_FW_GFX_CE:
251 		fw_info->ver = adev->gfx.ce_fw_version;
252 		fw_info->feature = adev->gfx.ce_feature_version;
253 		break;
254 	case AMDGPU_INFO_FW_GFX_RLC:
255 		fw_info->ver = adev->gfx.rlc_fw_version;
256 		fw_info->feature = adev->gfx.rlc_feature_version;
257 		break;
258 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
259 		fw_info->ver = adev->gfx.rlc_srlc_fw_version;
260 		fw_info->feature = adev->gfx.rlc_srlc_feature_version;
261 		break;
262 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
263 		fw_info->ver = adev->gfx.rlc_srlg_fw_version;
264 		fw_info->feature = adev->gfx.rlc_srlg_feature_version;
265 		break;
266 	case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
267 		fw_info->ver = adev->gfx.rlc_srls_fw_version;
268 		fw_info->feature = adev->gfx.rlc_srls_feature_version;
269 		break;
270 	case AMDGPU_INFO_FW_GFX_MEC:
271 		if (query_fw->index == 0) {
272 			fw_info->ver = adev->gfx.mec_fw_version;
273 			fw_info->feature = adev->gfx.mec_feature_version;
274 		} else if (query_fw->index == 1) {
275 			fw_info->ver = adev->gfx.mec2_fw_version;
276 			fw_info->feature = adev->gfx.mec2_feature_version;
277 		} else
278 			return -EINVAL;
279 		break;
280 	case AMDGPU_INFO_FW_SMC:
281 		fw_info->ver = adev->pm.fw_version;
282 		fw_info->feature = 0;
283 		break;
284 	case AMDGPU_INFO_FW_TA:
285 		switch (query_fw->index) {
286 		case 0:
287 			fw_info->ver = adev->psp.ta_fw_version;
288 			fw_info->feature = adev->psp.ta_xgmi_ucode_version;
289 			break;
290 		case 1:
291 			fw_info->ver = adev->psp.ta_fw_version;
292 			fw_info->feature = adev->psp.ta_ras_ucode_version;
293 			break;
294 		case 2:
295 			fw_info->ver = adev->psp.ta_fw_version;
296 			fw_info->feature = adev->psp.ta_hdcp_ucode_version;
297 			break;
298 		case 3:
299 			fw_info->ver = adev->psp.ta_fw_version;
300 			fw_info->feature = adev->psp.ta_dtm_ucode_version;
301 			break;
302 		default:
303 			return -EINVAL;
304 		}
305 		break;
306 	case AMDGPU_INFO_FW_SDMA:
307 		if (query_fw->index >= adev->sdma.num_instances)
308 			return -EINVAL;
309 		fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
310 		fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
311 		break;
312 	case AMDGPU_INFO_FW_SOS:
313 		fw_info->ver = adev->psp.sos_fw_version;
314 		fw_info->feature = adev->psp.sos_feature_version;
315 		break;
316 	case AMDGPU_INFO_FW_ASD:
317 		fw_info->ver = adev->psp.asd_fw_version;
318 		fw_info->feature = adev->psp.asd_feature_version;
319 		break;
320 	case AMDGPU_INFO_FW_DMCU:
321 		fw_info->ver = adev->dm.dmcu_fw_version;
322 		fw_info->feature = 0;
323 		break;
324 	case AMDGPU_INFO_FW_DMCUB:
325 		fw_info->ver = adev->dm.dmcub_fw_version;
326 		fw_info->feature = 0;
327 		break;
328 	default:
329 		return -EINVAL;
330 	}
331 	return 0;
332 }
333 
amdgpu_hw_ip_info(struct amdgpu_device * adev,struct drm_amdgpu_info * info,struct drm_amdgpu_info_hw_ip * result)334 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
335 			     struct drm_amdgpu_info *info,
336 			     struct drm_amdgpu_info_hw_ip *result)
337 {
338 	uint32_t ib_start_alignment = 0;
339 	uint32_t ib_size_alignment = 0;
340 	enum amd_ip_block_type type;
341 	unsigned int num_rings = 0;
342 	unsigned int i, j;
343 
344 	if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
345 		return -EINVAL;
346 
347 	switch (info->query_hw_ip.type) {
348 	case AMDGPU_HW_IP_GFX:
349 		type = AMD_IP_BLOCK_TYPE_GFX;
350 		for (i = 0; i < adev->gfx.num_gfx_rings; i++)
351 			if (adev->gfx.gfx_ring[i].sched.ready)
352 				++num_rings;
353 		ib_start_alignment = 32;
354 		ib_size_alignment = 32;
355 		break;
356 	case AMDGPU_HW_IP_COMPUTE:
357 		type = AMD_IP_BLOCK_TYPE_GFX;
358 		for (i = 0; i < adev->gfx.num_compute_rings; i++)
359 			if (adev->gfx.compute_ring[i].sched.ready)
360 				++num_rings;
361 		ib_start_alignment = 32;
362 		ib_size_alignment = 32;
363 		break;
364 	case AMDGPU_HW_IP_DMA:
365 		type = AMD_IP_BLOCK_TYPE_SDMA;
366 		for (i = 0; i < adev->sdma.num_instances; i++)
367 			if (adev->sdma.instance[i].ring.sched.ready)
368 				++num_rings;
369 		ib_start_alignment = 256;
370 		ib_size_alignment = 4;
371 		break;
372 	case AMDGPU_HW_IP_UVD:
373 		type = AMD_IP_BLOCK_TYPE_UVD;
374 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
375 			if (adev->uvd.harvest_config & (1 << i))
376 				continue;
377 
378 			if (adev->uvd.inst[i].ring.sched.ready)
379 				++num_rings;
380 		}
381 		ib_start_alignment = 64;
382 		ib_size_alignment = 64;
383 		break;
384 	case AMDGPU_HW_IP_VCE:
385 		type = AMD_IP_BLOCK_TYPE_VCE;
386 		for (i = 0; i < adev->vce.num_rings; i++)
387 			if (adev->vce.ring[i].sched.ready)
388 				++num_rings;
389 		ib_start_alignment = 4;
390 		ib_size_alignment = 1;
391 		break;
392 	case AMDGPU_HW_IP_UVD_ENC:
393 		type = AMD_IP_BLOCK_TYPE_UVD;
394 		for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
395 			if (adev->uvd.harvest_config & (1 << i))
396 				continue;
397 
398 			for (j = 0; j < adev->uvd.num_enc_rings; j++)
399 				if (adev->uvd.inst[i].ring_enc[j].sched.ready)
400 					++num_rings;
401 		}
402 		ib_start_alignment = 64;
403 		ib_size_alignment = 64;
404 		break;
405 	case AMDGPU_HW_IP_VCN_DEC:
406 		type = AMD_IP_BLOCK_TYPE_VCN;
407 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
408 			if (adev->uvd.harvest_config & (1 << i))
409 				continue;
410 
411 			if (adev->vcn.inst[i].ring_dec.sched.ready)
412 				++num_rings;
413 		}
414 		ib_start_alignment = 16;
415 		ib_size_alignment = 16;
416 		break;
417 	case AMDGPU_HW_IP_VCN_ENC:
418 		type = AMD_IP_BLOCK_TYPE_VCN;
419 		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
420 			if (adev->uvd.harvest_config & (1 << i))
421 				continue;
422 
423 			for (j = 0; j < adev->vcn.num_enc_rings; j++)
424 				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
425 					++num_rings;
426 		}
427 		ib_start_alignment = 64;
428 		ib_size_alignment = 1;
429 		break;
430 	case AMDGPU_HW_IP_VCN_JPEG:
431 		type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
432 			AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
433 
434 		for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
435 			if (adev->jpeg.harvest_config & (1 << i))
436 				continue;
437 
438 			if (adev->jpeg.inst[i].ring_dec.sched.ready)
439 				++num_rings;
440 		}
441 		ib_start_alignment = 16;
442 		ib_size_alignment = 16;
443 		break;
444 	default:
445 		return -EINVAL;
446 	}
447 
448 	for (i = 0; i < adev->num_ip_blocks; i++)
449 		if (adev->ip_blocks[i].version->type == type &&
450 		    adev->ip_blocks[i].status.valid)
451 			break;
452 
453 	if (i == adev->num_ip_blocks)
454 		return 0;
455 
456 	num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
457 			num_rings);
458 
459 	result->hw_ip_version_major = adev->ip_blocks[i].version->major;
460 	result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
461 	result->capabilities_flags = 0;
462 	result->available_rings = (1 << num_rings) - 1;
463 	result->ib_start_alignment = ib_start_alignment;
464 	result->ib_size_alignment = ib_size_alignment;
465 	return 0;
466 }
467 
468 /*
469  * Userspace get information ioctl
470  */
471 /**
472  * amdgpu_info_ioctl - answer a device specific request.
473  *
474  * @adev: amdgpu device pointer
475  * @data: request object
476  * @filp: drm filp
477  *
478  * This function is used to pass device specific parameters to the userspace
479  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
480  * etc. (all asics).
481  * Returns 0 on success, -EINVAL on failure.
482  */
amdgpu_info_ioctl(struct drm_device * dev,void * data,struct drm_file * filp)483 static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
484 {
485 	struct amdgpu_device *adev = drm_to_adev(dev);
486 	struct drm_amdgpu_info *info = data;
487 	struct amdgpu_mode_info *minfo = &adev->mode_info;
488 	void __user *out = (void __user *)(uintptr_t)info->return_pointer;
489 	uint32_t size = info->return_size;
490 	struct drm_crtc *crtc;
491 	uint32_t ui32 = 0;
492 	uint64_t ui64 = 0;
493 	int i, found;
494 	int ui32_size = sizeof(ui32);
495 
496 	if (!info->return_size || !info->return_pointer)
497 		return -EINVAL;
498 
499 	switch (info->query) {
500 	case AMDGPU_INFO_ACCEL_WORKING:
501 		ui32 = adev->accel_working;
502 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
503 	case AMDGPU_INFO_CRTC_FROM_ID:
504 		for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
505 			crtc = (struct drm_crtc *)minfo->crtcs[i];
506 			if (crtc && crtc->base.id == info->mode_crtc.id) {
507 				struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
508 
509 				ui32 = amdgpu_crtc->crtc_id;
510 				found = 1;
511 				break;
512 			}
513 		}
514 		if (!found) {
515 			DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
516 			return -EINVAL;
517 		}
518 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
519 	case AMDGPU_INFO_HW_IP_INFO: {
520 		struct drm_amdgpu_info_hw_ip ip = {};
521 		int ret;
522 
523 		ret = amdgpu_hw_ip_info(adev, info, &ip);
524 		if (ret)
525 			return ret;
526 
527 		ret = copy_to_user(out, &ip, min_t(size_t, size, sizeof(ip)));
528 		return ret ? -EFAULT : 0;
529 	}
530 	case AMDGPU_INFO_HW_IP_COUNT: {
531 		enum amd_ip_block_type type;
532 		uint32_t count = 0;
533 
534 		switch (info->query_hw_ip.type) {
535 		case AMDGPU_HW_IP_GFX:
536 			type = AMD_IP_BLOCK_TYPE_GFX;
537 			break;
538 		case AMDGPU_HW_IP_COMPUTE:
539 			type = AMD_IP_BLOCK_TYPE_GFX;
540 			break;
541 		case AMDGPU_HW_IP_DMA:
542 			type = AMD_IP_BLOCK_TYPE_SDMA;
543 			break;
544 		case AMDGPU_HW_IP_UVD:
545 			type = AMD_IP_BLOCK_TYPE_UVD;
546 			break;
547 		case AMDGPU_HW_IP_VCE:
548 			type = AMD_IP_BLOCK_TYPE_VCE;
549 			break;
550 		case AMDGPU_HW_IP_UVD_ENC:
551 			type = AMD_IP_BLOCK_TYPE_UVD;
552 			break;
553 		case AMDGPU_HW_IP_VCN_DEC:
554 		case AMDGPU_HW_IP_VCN_ENC:
555 			type = AMD_IP_BLOCK_TYPE_VCN;
556 			break;
557 		case AMDGPU_HW_IP_VCN_JPEG:
558 			type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
559 				AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
560 			break;
561 		default:
562 			return -EINVAL;
563 		}
564 
565 		for (i = 0; i < adev->num_ip_blocks; i++)
566 			if (adev->ip_blocks[i].version->type == type &&
567 			    adev->ip_blocks[i].status.valid &&
568 			    count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
569 				count++;
570 
571 		return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
572 	}
573 	case AMDGPU_INFO_TIMESTAMP:
574 		ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
575 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
576 	case AMDGPU_INFO_FW_VERSION: {
577 		struct drm_amdgpu_info_firmware fw_info;
578 		int ret;
579 
580 		/* We only support one instance of each IP block right now. */
581 		if (info->query_fw.ip_instance != 0)
582 			return -EINVAL;
583 
584 		ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
585 		if (ret)
586 			return ret;
587 
588 		return copy_to_user(out, &fw_info,
589 				    min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
590 	}
591 	case AMDGPU_INFO_NUM_BYTES_MOVED:
592 		ui64 = atomic64_read(&adev->num_bytes_moved);
593 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
594 	case AMDGPU_INFO_NUM_EVICTIONS:
595 		ui64 = atomic64_read(&adev->num_evictions);
596 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
597 	case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
598 		ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
599 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
600 	case AMDGPU_INFO_VRAM_USAGE:
601 		ui64 = amdgpu_vram_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
602 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
603 	case AMDGPU_INFO_VIS_VRAM_USAGE:
604 		ui64 = amdgpu_vram_mgr_vis_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
605 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
606 	case AMDGPU_INFO_GTT_USAGE:
607 		ui64 = amdgpu_gtt_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_TT));
608 		return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
609 	case AMDGPU_INFO_GDS_CONFIG: {
610 		struct drm_amdgpu_info_gds gds_info;
611 
612 		memset(&gds_info, 0, sizeof(gds_info));
613 		gds_info.compute_partition_size = adev->gds.gds_size;
614 		gds_info.gds_total_size = adev->gds.gds_size;
615 		gds_info.gws_per_compute_partition = adev->gds.gws_size;
616 		gds_info.oa_per_compute_partition = adev->gds.oa_size;
617 		return copy_to_user(out, &gds_info,
618 				    min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
619 	}
620 	case AMDGPU_INFO_VRAM_GTT: {
621 		struct drm_amdgpu_info_vram_gtt vram_gtt;
622 
623 		vram_gtt.vram_size = adev->gmc.real_vram_size -
624 			atomic64_read(&adev->vram_pin_size) -
625 			AMDGPU_VM_RESERVED_VRAM;
626 		vram_gtt.vram_cpu_accessible_size =
627 			min(adev->gmc.visible_vram_size -
628 			    atomic64_read(&adev->visible_pin_size),
629 			    vram_gtt.vram_size);
630 		vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
631 		vram_gtt.gtt_size *= PAGE_SIZE;
632 		vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
633 		return copy_to_user(out, &vram_gtt,
634 				    min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
635 	}
636 	case AMDGPU_INFO_MEMORY: {
637 		struct drm_amdgpu_memory_info mem;
638 		struct ttm_resource_manager *vram_man =
639 			ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
640 		struct ttm_resource_manager *gtt_man =
641 			ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
642 		memset(&mem, 0, sizeof(mem));
643 		mem.vram.total_heap_size = adev->gmc.real_vram_size;
644 		mem.vram.usable_heap_size = adev->gmc.real_vram_size -
645 			atomic64_read(&adev->vram_pin_size) -
646 			AMDGPU_VM_RESERVED_VRAM;
647 		mem.vram.heap_usage =
648 			amdgpu_vram_mgr_usage(vram_man);
649 		mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
650 
651 		mem.cpu_accessible_vram.total_heap_size =
652 			adev->gmc.visible_vram_size;
653 		mem.cpu_accessible_vram.usable_heap_size =
654 			min(adev->gmc.visible_vram_size -
655 			    atomic64_read(&adev->visible_pin_size),
656 			    mem.vram.usable_heap_size);
657 		mem.cpu_accessible_vram.heap_usage =
658 			amdgpu_vram_mgr_vis_usage(vram_man);
659 		mem.cpu_accessible_vram.max_allocation =
660 			mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
661 
662 		mem.gtt.total_heap_size = gtt_man->size;
663 		mem.gtt.total_heap_size *= PAGE_SIZE;
664 		mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
665 			atomic64_read(&adev->gart_pin_size);
666 		mem.gtt.heap_usage =
667 			amdgpu_gtt_mgr_usage(gtt_man);
668 		mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
669 
670 		return copy_to_user(out, &mem,
671 				    min((size_t)size, sizeof(mem)))
672 				    ? -EFAULT : 0;
673 	}
674 	case AMDGPU_INFO_READ_MMR_REG: {
675 		unsigned int n, alloc_size;
676 		uint32_t *regs;
677 		unsigned int se_num = (info->read_mmr_reg.instance >>
678 				   AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
679 				  AMDGPU_INFO_MMR_SE_INDEX_MASK;
680 		unsigned int sh_num = (info->read_mmr_reg.instance >>
681 				   AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
682 				  AMDGPU_INFO_MMR_SH_INDEX_MASK;
683 
684 		/* set full masks if the userspace set all bits
685 		 * in the bitfields
686 		 */
687 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
688 			se_num = 0xffffffff;
689 		else if (se_num >= AMDGPU_GFX_MAX_SE)
690 			return -EINVAL;
691 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
692 			sh_num = 0xffffffff;
693 		else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
694 			return -EINVAL;
695 
696 		if (info->read_mmr_reg.count > 128)
697 			return -EINVAL;
698 
699 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
700 		if (!regs)
701 			return -ENOMEM;
702 		alloc_size = info->read_mmr_reg.count * sizeof(*regs);
703 
704 		amdgpu_gfx_off_ctrl(adev, false);
705 		for (i = 0; i < info->read_mmr_reg.count; i++) {
706 			if (amdgpu_asic_read_register(adev, se_num, sh_num,
707 						      info->read_mmr_reg.dword_offset + i,
708 						      &regs[i])) {
709 				DRM_DEBUG_KMS("unallowed offset %#x\n",
710 					      info->read_mmr_reg.dword_offset + i);
711 				kfree(regs);
712 				amdgpu_gfx_off_ctrl(adev, true);
713 				return -EFAULT;
714 			}
715 		}
716 		amdgpu_gfx_off_ctrl(adev, true);
717 		n = copy_to_user(out, regs, min(size, alloc_size));
718 		kfree(regs);
719 		return n ? -EFAULT : 0;
720 	}
721 	case AMDGPU_INFO_DEV_INFO: {
722 		struct drm_amdgpu_info_device dev_info;
723 		uint64_t vm_size;
724 
725 		memset(&dev_info, 0, sizeof(dev_info));
726 		dev_info.device_id = dev->pdev->device;
727 		dev_info.chip_rev = adev->rev_id;
728 		dev_info.external_rev = adev->external_rev_id;
729 		dev_info.pci_rev = dev->pdev->revision;
730 		dev_info.family = adev->family;
731 		dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
732 		dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
733 		/* return all clocks in KHz */
734 		dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
735 		if (adev->pm.dpm_enabled) {
736 			dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
737 			dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
738 		} else {
739 			dev_info.max_engine_clock = adev->clock.default_sclk * 10;
740 			dev_info.max_memory_clock = adev->clock.default_mclk * 10;
741 		}
742 		dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
743 		dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
744 			adev->gfx.config.max_shader_engines;
745 		dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
746 		dev_info._pad = 0;
747 		dev_info.ids_flags = 0;
748 		if (adev->flags & AMD_IS_APU)
749 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
750 		if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
751 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
752 		if (amdgpu_is_tmz(adev))
753 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
754 
755 		vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
756 		vm_size -= AMDGPU_VA_RESERVED_SIZE;
757 
758 		/* Older VCE FW versions are buggy and can handle only 40bits */
759 		if (adev->vce.fw_version &&
760 		    adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
761 			vm_size = min(vm_size, 1ULL << 40);
762 
763 		dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
764 		dev_info.virtual_address_max =
765 			min(vm_size, AMDGPU_GMC_HOLE_START);
766 
767 		if (vm_size > AMDGPU_GMC_HOLE_START) {
768 			dev_info.high_va_offset = AMDGPU_GMC_HOLE_END;
769 			dev_info.high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
770 		}
771 		dev_info.virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
772 		dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
773 		dev_info.gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
774 		dev_info.cu_active_number = adev->gfx.cu_info.number;
775 		dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
776 		dev_info.ce_ram_size = adev->gfx.ce_ram_size;
777 		memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
778 		       sizeof(adev->gfx.cu_info.ao_cu_bitmap));
779 		memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
780 		       sizeof(adev->gfx.cu_info.bitmap));
781 		dev_info.vram_type = adev->gmc.vram_type;
782 		dev_info.vram_bit_width = adev->gmc.vram_width;
783 		dev_info.vce_harvest_config = adev->vce.harvest_config;
784 		dev_info.gc_double_offchip_lds_buf =
785 			adev->gfx.config.double_offchip_lds_buf;
786 		dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
787 		dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
788 		dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
789 		dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
790 		dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
791 		dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
792 		dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
793 
794 		if (adev->family >= AMDGPU_FAMILY_NV)
795 			dev_info.pa_sc_tile_steering_override =
796 				adev->gfx.config.pa_sc_tile_steering_override;
797 
798 		dev_info.tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
799 
800 		return copy_to_user(out, &dev_info,
801 				    min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
802 	}
803 	case AMDGPU_INFO_VCE_CLOCK_TABLE: {
804 		unsigned int i;
805 		struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
806 		struct amd_vce_state *vce_state;
807 
808 		for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
809 			vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
810 			if (vce_state) {
811 				vce_clk_table.entries[i].sclk = vce_state->sclk;
812 				vce_clk_table.entries[i].mclk = vce_state->mclk;
813 				vce_clk_table.entries[i].eclk = vce_state->evclk;
814 				vce_clk_table.num_valid_entries++;
815 			}
816 		}
817 
818 		return copy_to_user(out, &vce_clk_table,
819 				    min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
820 	}
821 	case AMDGPU_INFO_VBIOS: {
822 		uint32_t bios_size = adev->bios_size;
823 
824 		switch (info->vbios_info.type) {
825 		case AMDGPU_INFO_VBIOS_SIZE:
826 			return copy_to_user(out, &bios_size,
827 					min((size_t)size, sizeof(bios_size)))
828 					? -EFAULT : 0;
829 		case AMDGPU_INFO_VBIOS_IMAGE: {
830 			uint8_t *bios;
831 			uint32_t bios_offset = info->vbios_info.offset;
832 
833 			if (bios_offset >= bios_size)
834 				return -EINVAL;
835 
836 			bios = adev->bios + bios_offset;
837 			return copy_to_user(out, bios,
838 					    min((size_t)size, (size_t)(bios_size - bios_offset)))
839 					? -EFAULT : 0;
840 		}
841 		default:
842 			DRM_DEBUG_KMS("Invalid request %d\n",
843 					info->vbios_info.type);
844 			return -EINVAL;
845 		}
846 	}
847 	case AMDGPU_INFO_NUM_HANDLES: {
848 		struct drm_amdgpu_info_num_handles handle;
849 
850 		switch (info->query_hw_ip.type) {
851 		case AMDGPU_HW_IP_UVD:
852 			/* Starting Polaris, we support unlimited UVD handles */
853 			if (adev->asic_type < CHIP_POLARIS10) {
854 				handle.uvd_max_handles = adev->uvd.max_handles;
855 				handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
856 
857 				return copy_to_user(out, &handle,
858 					min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
859 			} else {
860 				return -ENODATA;
861 			}
862 
863 			break;
864 		default:
865 			return -EINVAL;
866 		}
867 	}
868 	case AMDGPU_INFO_SENSOR: {
869 		if (!adev->pm.dpm_enabled)
870 			return -ENOENT;
871 
872 		switch (info->sensor_info.type) {
873 		case AMDGPU_INFO_SENSOR_GFX_SCLK:
874 			/* get sclk in Mhz */
875 			if (amdgpu_dpm_read_sensor(adev,
876 						   AMDGPU_PP_SENSOR_GFX_SCLK,
877 						   (void *)&ui32, &ui32_size)) {
878 				return -EINVAL;
879 			}
880 			ui32 /= 100;
881 			break;
882 		case AMDGPU_INFO_SENSOR_GFX_MCLK:
883 			/* get mclk in Mhz */
884 			if (amdgpu_dpm_read_sensor(adev,
885 						   AMDGPU_PP_SENSOR_GFX_MCLK,
886 						   (void *)&ui32, &ui32_size)) {
887 				return -EINVAL;
888 			}
889 			ui32 /= 100;
890 			break;
891 		case AMDGPU_INFO_SENSOR_GPU_TEMP:
892 			/* get temperature in millidegrees C */
893 			if (amdgpu_dpm_read_sensor(adev,
894 						   AMDGPU_PP_SENSOR_GPU_TEMP,
895 						   (void *)&ui32, &ui32_size)) {
896 				return -EINVAL;
897 			}
898 			break;
899 		case AMDGPU_INFO_SENSOR_GPU_LOAD:
900 			/* get GPU load */
901 			if (amdgpu_dpm_read_sensor(adev,
902 						   AMDGPU_PP_SENSOR_GPU_LOAD,
903 						   (void *)&ui32, &ui32_size)) {
904 				return -EINVAL;
905 			}
906 			break;
907 		case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
908 			/* get average GPU power */
909 			if (amdgpu_dpm_read_sensor(adev,
910 						   AMDGPU_PP_SENSOR_GPU_POWER,
911 						   (void *)&ui32, &ui32_size)) {
912 				return -EINVAL;
913 			}
914 			ui32 >>= 8;
915 			break;
916 		case AMDGPU_INFO_SENSOR_VDDNB:
917 			/* get VDDNB in millivolts */
918 			if (amdgpu_dpm_read_sensor(adev,
919 						   AMDGPU_PP_SENSOR_VDDNB,
920 						   (void *)&ui32, &ui32_size)) {
921 				return -EINVAL;
922 			}
923 			break;
924 		case AMDGPU_INFO_SENSOR_VDDGFX:
925 			/* get VDDGFX in millivolts */
926 			if (amdgpu_dpm_read_sensor(adev,
927 						   AMDGPU_PP_SENSOR_VDDGFX,
928 						   (void *)&ui32, &ui32_size)) {
929 				return -EINVAL;
930 			}
931 			break;
932 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
933 			/* get stable pstate sclk in Mhz */
934 			if (amdgpu_dpm_read_sensor(adev,
935 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
936 						   (void *)&ui32, &ui32_size)) {
937 				return -EINVAL;
938 			}
939 			ui32 /= 100;
940 			break;
941 		case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
942 			/* get stable pstate mclk in Mhz */
943 			if (amdgpu_dpm_read_sensor(adev,
944 						   AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
945 						   (void *)&ui32, &ui32_size)) {
946 				return -EINVAL;
947 			}
948 			ui32 /= 100;
949 			break;
950 		default:
951 			DRM_DEBUG_KMS("Invalid request %d\n",
952 				      info->sensor_info.type);
953 			return -EINVAL;
954 		}
955 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
956 	}
957 	case AMDGPU_INFO_VRAM_LOST_COUNTER:
958 		ui32 = atomic_read(&adev->vram_lost_counter);
959 		return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
960 	case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
961 		struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
962 		uint64_t ras_mask;
963 
964 		if (!ras)
965 			return -EINVAL;
966 		ras_mask = (uint64_t)ras->supported << 32 | ras->features;
967 
968 		return copy_to_user(out, &ras_mask,
969 				min_t(u64, size, sizeof(ras_mask))) ?
970 			-EFAULT : 0;
971 	}
972 	default:
973 		DRM_DEBUG_KMS("Invalid request %d\n", info->query);
974 		return -EINVAL;
975 	}
976 	return 0;
977 }
978 
979 
980 /*
981  * Outdated mess for old drm with Xorg being in charge (void function now).
982  */
983 /**
984  * amdgpu_driver_lastclose_kms - drm callback for last close
985  *
986  * @dev: drm dev pointer
987  *
988  * Switch vga_switcheroo state after last close (all asics).
989  */
amdgpu_driver_lastclose_kms(struct drm_device * dev)990 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
991 {
992 	drm_fb_helper_lastclose(dev);
993 	vga_switcheroo_process_delayed_switch();
994 }
995 
996 /**
997  * amdgpu_driver_open_kms - drm callback for open
998  *
999  * @dev: drm dev pointer
1000  * @file_priv: drm file
1001  *
1002  * On device open, init vm on cayman+ (all asics).
1003  * Returns 0 on success, error on failure.
1004  */
amdgpu_driver_open_kms(struct drm_device * dev,struct drm_file * file_priv)1005 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1006 {
1007 	struct amdgpu_device *adev = drm_to_adev(dev);
1008 	struct amdgpu_fpriv *fpriv;
1009 	int r, pasid;
1010 
1011 	/* Ensure IB tests are run on ring */
1012 	flush_delayed_work(&adev->delayed_init_work);
1013 
1014 
1015 	if (amdgpu_ras_intr_triggered()) {
1016 		DRM_ERROR("RAS Intr triggered, device disabled!!");
1017 		return -EHWPOISON;
1018 	}
1019 
1020 	file_priv->driver_priv = NULL;
1021 
1022 	r = pm_runtime_get_sync(dev->dev);
1023 	if (r < 0)
1024 		goto pm_put;
1025 
1026 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1027 	if (unlikely(!fpriv)) {
1028 		r = -ENOMEM;
1029 		goto out_suspend;
1030 	}
1031 
1032 	pasid = amdgpu_pasid_alloc(16);
1033 	if (pasid < 0) {
1034 		dev_warn(adev->dev, "No more PASIDs available!");
1035 		pasid = 0;
1036 	}
1037 	r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid);
1038 	if (r)
1039 		goto error_pasid;
1040 
1041 	fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1042 	if (!fpriv->prt_va) {
1043 		r = -ENOMEM;
1044 		goto error_vm;
1045 	}
1046 
1047 	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1048 		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1049 
1050 		r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1051 						&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1052 		if (r)
1053 			goto error_vm;
1054 	}
1055 
1056 	mutex_init(&fpriv->bo_list_lock);
1057 	idr_init(&fpriv->bo_list_handles);
1058 
1059 	amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
1060 
1061 	file_priv->driver_priv = fpriv;
1062 	goto out_suspend;
1063 
1064 error_vm:
1065 	amdgpu_vm_fini(adev, &fpriv->vm);
1066 
1067 error_pasid:
1068 	if (pasid)
1069 		amdgpu_pasid_free(pasid);
1070 
1071 	kfree(fpriv);
1072 
1073 out_suspend:
1074 	pm_runtime_mark_last_busy(dev->dev);
1075 pm_put:
1076 	pm_runtime_put_autosuspend(dev->dev);
1077 
1078 	return r;
1079 }
1080 
1081 /**
1082  * amdgpu_driver_postclose_kms - drm callback for post close
1083  *
1084  * @dev: drm dev pointer
1085  * @file_priv: drm file
1086  *
1087  * On device post close, tear down vm on cayman+ (all asics).
1088  */
amdgpu_driver_postclose_kms(struct drm_device * dev,struct drm_file * file_priv)1089 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1090 				 struct drm_file *file_priv)
1091 {
1092 	struct amdgpu_device *adev = drm_to_adev(dev);
1093 	struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1094 	struct amdgpu_bo_list *list;
1095 	struct amdgpu_bo *pd;
1096 	u32 pasid;
1097 	int handle;
1098 
1099 	if (!fpriv)
1100 		return;
1101 
1102 	pm_runtime_get_sync(dev->dev);
1103 
1104 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1105 		amdgpu_uvd_free_handles(adev, file_priv);
1106 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1107 		amdgpu_vce_free_handles(adev, file_priv);
1108 
1109 	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1110 
1111 	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1112 		/* TODO: how to handle reserve failure */
1113 		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1114 		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1115 		fpriv->csa_va = NULL;
1116 		amdgpu_bo_unreserve(adev->virt.csa_obj);
1117 	}
1118 
1119 	pasid = fpriv->vm.pasid;
1120 	pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
1121 
1122 	amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1123 	amdgpu_vm_fini(adev, &fpriv->vm);
1124 
1125 	if (pasid)
1126 		amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1127 	amdgpu_bo_unref(&pd);
1128 
1129 	idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1130 		amdgpu_bo_list_put(list);
1131 
1132 	idr_destroy(&fpriv->bo_list_handles);
1133 	mutex_destroy(&fpriv->bo_list_lock);
1134 
1135 	kfree(fpriv);
1136 	file_priv->driver_priv = NULL;
1137 
1138 	pm_runtime_mark_last_busy(dev->dev);
1139 	pm_runtime_put_autosuspend(dev->dev);
1140 }
1141 
1142 /*
1143  * VBlank related functions.
1144  */
1145 /**
1146  * amdgpu_get_vblank_counter_kms - get frame count
1147  *
1148  * @crtc: crtc to get the frame count from
1149  *
1150  * Gets the frame count on the requested crtc (all asics).
1151  * Returns frame count on success, -EINVAL on failure.
1152  */
amdgpu_get_vblank_counter_kms(struct drm_crtc * crtc)1153 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1154 {
1155 	struct drm_device *dev = crtc->dev;
1156 	unsigned int pipe = crtc->index;
1157 	struct amdgpu_device *adev = drm_to_adev(dev);
1158 	int vpos, hpos, stat;
1159 	u32 count;
1160 
1161 	if (pipe >= adev->mode_info.num_crtc) {
1162 		DRM_ERROR("Invalid crtc %u\n", pipe);
1163 		return -EINVAL;
1164 	}
1165 
1166 	/* The hw increments its frame counter at start of vsync, not at start
1167 	 * of vblank, as is required by DRM core vblank counter handling.
1168 	 * Cook the hw count here to make it appear to the caller as if it
1169 	 * incremented at start of vblank. We measure distance to start of
1170 	 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1171 	 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1172 	 * result by 1 to give the proper appearance to caller.
1173 	 */
1174 	if (adev->mode_info.crtcs[pipe]) {
1175 		/* Repeat readout if needed to provide stable result if
1176 		 * we cross start of vsync during the queries.
1177 		 */
1178 		do {
1179 			count = amdgpu_display_vblank_get_counter(adev, pipe);
1180 			/* Ask amdgpu_display_get_crtc_scanoutpos to return
1181 			 * vpos as distance to start of vblank, instead of
1182 			 * regular vertical scanout pos.
1183 			 */
1184 			stat = amdgpu_display_get_crtc_scanoutpos(
1185 				dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1186 				&vpos, &hpos, NULL, NULL,
1187 				&adev->mode_info.crtcs[pipe]->base.hwmode);
1188 		} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1189 
1190 		if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1191 		    (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1192 			DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1193 		} else {
1194 			DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1195 				      pipe, vpos);
1196 
1197 			/* Bump counter if we are at >= leading edge of vblank,
1198 			 * but before vsync where vpos would turn negative and
1199 			 * the hw counter really increments.
1200 			 */
1201 			if (vpos >= 0)
1202 				count++;
1203 		}
1204 	} else {
1205 		/* Fallback to use value as is. */
1206 		count = amdgpu_display_vblank_get_counter(adev, pipe);
1207 		DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1208 	}
1209 
1210 	return count;
1211 }
1212 
1213 /**
1214  * amdgpu_enable_vblank_kms - enable vblank interrupt
1215  *
1216  * @crtc: crtc to enable vblank interrupt for
1217  *
1218  * Enable the interrupt on the requested crtc (all asics).
1219  * Returns 0 on success, -EINVAL on failure.
1220  */
amdgpu_enable_vblank_kms(struct drm_crtc * crtc)1221 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1222 {
1223 	struct drm_device *dev = crtc->dev;
1224 	unsigned int pipe = crtc->index;
1225 	struct amdgpu_device *adev = drm_to_adev(dev);
1226 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1227 
1228 	return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1229 }
1230 
1231 /**
1232  * amdgpu_disable_vblank_kms - disable vblank interrupt
1233  *
1234  * @crtc: crtc to disable vblank interrupt for
1235  *
1236  * Disable the interrupt on the requested crtc (all asics).
1237  */
amdgpu_disable_vblank_kms(struct drm_crtc * crtc)1238 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1239 {
1240 	struct drm_device *dev = crtc->dev;
1241 	unsigned int pipe = crtc->index;
1242 	struct amdgpu_device *adev = drm_to_adev(dev);
1243 	int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1244 
1245 	amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1246 }
1247 
1248 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
1249 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1250 	DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1251 	DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1252 	DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER),
1253 	DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1254 	DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1255 	/* KMS */
1256 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1257 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1258 	DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1259 	DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1260 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1261 	DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1262 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1263 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1264 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1265 	DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW)
1266 };
1267 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1268 
1269 /*
1270  * Debugfs info
1271  */
1272 #if defined(CONFIG_DEBUG_FS)
1273 
amdgpu_debugfs_firmware_info(struct seq_file * m,void * data)1274 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
1275 {
1276 	struct drm_info_node *node = (struct drm_info_node *) m->private;
1277 	struct drm_device *dev = node->minor->dev;
1278 	struct amdgpu_device *adev = drm_to_adev(dev);
1279 	struct drm_amdgpu_info_firmware fw_info;
1280 	struct drm_amdgpu_query_fw query_fw;
1281 	struct atom_context *ctx = adev->mode_info.atom_context;
1282 	int ret, i;
1283 
1284 	/* VCE */
1285 	query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1286 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1287 	if (ret)
1288 		return ret;
1289 	seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1290 		   fw_info.feature, fw_info.ver);
1291 
1292 	/* UVD */
1293 	query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1294 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1295 	if (ret)
1296 		return ret;
1297 	seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1298 		   fw_info.feature, fw_info.ver);
1299 
1300 	/* GMC */
1301 	query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1302 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1303 	if (ret)
1304 		return ret;
1305 	seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1306 		   fw_info.feature, fw_info.ver);
1307 
1308 	/* ME */
1309 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1310 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1311 	if (ret)
1312 		return ret;
1313 	seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1314 		   fw_info.feature, fw_info.ver);
1315 
1316 	/* PFP */
1317 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1318 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1319 	if (ret)
1320 		return ret;
1321 	seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1322 		   fw_info.feature, fw_info.ver);
1323 
1324 	/* CE */
1325 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1326 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1327 	if (ret)
1328 		return ret;
1329 	seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1330 		   fw_info.feature, fw_info.ver);
1331 
1332 	/* RLC */
1333 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1334 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1335 	if (ret)
1336 		return ret;
1337 	seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1338 		   fw_info.feature, fw_info.ver);
1339 
1340 	/* RLC SAVE RESTORE LIST CNTL */
1341 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1342 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1343 	if (ret)
1344 		return ret;
1345 	seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1346 		   fw_info.feature, fw_info.ver);
1347 
1348 	/* RLC SAVE RESTORE LIST GPM MEM */
1349 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1350 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1351 	if (ret)
1352 		return ret;
1353 	seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1354 		   fw_info.feature, fw_info.ver);
1355 
1356 	/* RLC SAVE RESTORE LIST SRM MEM */
1357 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1358 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1359 	if (ret)
1360 		return ret;
1361 	seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1362 		   fw_info.feature, fw_info.ver);
1363 
1364 	/* MEC */
1365 	query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1366 	query_fw.index = 0;
1367 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1368 	if (ret)
1369 		return ret;
1370 	seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1371 		   fw_info.feature, fw_info.ver);
1372 
1373 	/* MEC2 */
1374 	if (adev->gfx.mec2_fw) {
1375 		query_fw.index = 1;
1376 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1377 		if (ret)
1378 			return ret;
1379 		seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1380 			   fw_info.feature, fw_info.ver);
1381 	}
1382 
1383 	/* PSP SOS */
1384 	query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1385 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1386 	if (ret)
1387 		return ret;
1388 	seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1389 		   fw_info.feature, fw_info.ver);
1390 
1391 
1392 	/* PSP ASD */
1393 	query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1394 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1395 	if (ret)
1396 		return ret;
1397 	seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1398 		   fw_info.feature, fw_info.ver);
1399 
1400 	query_fw.fw_type = AMDGPU_INFO_FW_TA;
1401 	for (i = 0; i < 4; i++) {
1402 		query_fw.index = i;
1403 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1404 		if (ret)
1405 			continue;
1406 		switch (query_fw.index) {
1407 		case 0:
1408 			seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1409 					"RAS", fw_info.feature, fw_info.ver);
1410 			break;
1411 		case 1:
1412 			seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1413 					"XGMI", fw_info.feature, fw_info.ver);
1414 			break;
1415 		case 2:
1416 			seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1417 					"HDCP", fw_info.feature, fw_info.ver);
1418 			break;
1419 		case 3:
1420 			seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1421 					"DTM", fw_info.feature, fw_info.ver);
1422 			break;
1423 		default:
1424 			return -EINVAL;
1425 		}
1426 	}
1427 
1428 	/* SMC */
1429 	query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1430 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1431 	if (ret)
1432 		return ret;
1433 	seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1434 		   fw_info.feature, fw_info.ver);
1435 
1436 	/* SDMA */
1437 	query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1438 	for (i = 0; i < adev->sdma.num_instances; i++) {
1439 		query_fw.index = i;
1440 		ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1441 		if (ret)
1442 			return ret;
1443 		seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1444 			   i, fw_info.feature, fw_info.ver);
1445 	}
1446 
1447 	/* VCN */
1448 	query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1449 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1450 	if (ret)
1451 		return ret;
1452 	seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1453 		   fw_info.feature, fw_info.ver);
1454 
1455 	/* DMCU */
1456 	query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1457 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1458 	if (ret)
1459 		return ret;
1460 	seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1461 		   fw_info.feature, fw_info.ver);
1462 
1463 	/* DMCUB */
1464 	query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1465 	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1466 	if (ret)
1467 		return ret;
1468 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1469 		   fw_info.feature, fw_info.ver);
1470 
1471 
1472 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1473 
1474 	return 0;
1475 }
1476 
1477 static const struct drm_info_list amdgpu_firmware_info_list[] = {
1478 	{"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1479 };
1480 #endif
1481 
amdgpu_debugfs_firmware_init(struct amdgpu_device * adev)1482 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1483 {
1484 #if defined(CONFIG_DEBUG_FS)
1485 	return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1486 					ARRAY_SIZE(amdgpu_firmware_info_list));
1487 #else
1488 	return 0;
1489 #endif
1490 }
1491