Merge branch 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_kms.c
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 "amdgpu_uvd.h"
33 #include "amdgpu_vce.h"
34 #include "atom.h"
35
36 #include <linux/vga_switcheroo.h>
37 #include <linux/slab.h>
38 #include <linux/uaccess.h>
39 #include <linux/pci.h>
40 #include <linux/pm_runtime.h>
41 #include "amdgpu_amdkfd.h"
42 #include "amdgpu_gem.h"
43 #include "amdgpu_display.h"
44 #include "amdgpu_ras.h"
45
46 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
47 {
48         struct amdgpu_gpu_instance *gpu_instance;
49         int i;
50
51         mutex_lock(&mgpu_info.mutex);
52
53         for (i = 0; i < mgpu_info.num_gpu; i++) {
54                 gpu_instance = &(mgpu_info.gpu_ins[i]);
55                 if (gpu_instance->adev == adev) {
56                         mgpu_info.gpu_ins[i] =
57                                 mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
58                         mgpu_info.num_gpu--;
59                         if (adev->flags & AMD_IS_APU)
60                                 mgpu_info.num_apu--;
61                         else
62                                 mgpu_info.num_dgpu--;
63                         break;
64                 }
65         }
66
67         mutex_unlock(&mgpu_info.mutex);
68 }
69
70 /**
71  * amdgpu_driver_unload_kms - Main unload function for KMS.
72  *
73  * @dev: drm dev pointer
74  *
75  * This is the main unload function for KMS (all asics).
76  * Returns 0 on success.
77  */
78 void amdgpu_driver_unload_kms(struct drm_device *dev)
79 {
80         struct amdgpu_device *adev = drm_to_adev(dev);
81
82         if (adev == NULL)
83                 return;
84
85         amdgpu_unregister_gpu_instance(adev);
86
87         if (adev->rmmio == NULL)
88                 return;
89
90         if (adev->runpm) {
91                 pm_runtime_get_sync(dev->dev);
92                 pm_runtime_forbid(dev->dev);
93         }
94
95         if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
96                 DRM_WARN("smart shift update failed\n");
97
98         amdgpu_acpi_fini(adev);
99         amdgpu_device_fini_hw(adev);
100 }
101
102 void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
103 {
104         struct amdgpu_gpu_instance *gpu_instance;
105
106         mutex_lock(&mgpu_info.mutex);
107
108         if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
109                 DRM_ERROR("Cannot register more gpu instance\n");
110                 mutex_unlock(&mgpu_info.mutex);
111                 return;
112         }
113
114         gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
115         gpu_instance->adev = adev;
116         gpu_instance->mgpu_fan_enabled = 0;
117
118         mgpu_info.num_gpu++;
119         if (adev->flags & AMD_IS_APU)
120                 mgpu_info.num_apu++;
121         else
122                 mgpu_info.num_dgpu++;
123
124         mutex_unlock(&mgpu_info.mutex);
125 }
126
127 static void amdgpu_get_audio_func(struct amdgpu_device *adev)
128 {
129         struct pci_dev *p = NULL;
130
131         p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus),
132                         adev->pdev->bus->number, 1);
133         if (p) {
134                 pm_runtime_get_sync(&p->dev);
135
136                 pm_runtime_mark_last_busy(&p->dev);
137                 pm_runtime_put_autosuspend(&p->dev);
138
139                 pci_dev_put(p);
140         }
141 }
142
143 /**
144  * amdgpu_driver_load_kms - Main load function for KMS.
145  *
146  * @adev: pointer to struct amdgpu_device
147  * @flags: device flags
148  *
149  * This is the main load function for KMS (all asics).
150  * Returns 0 on success, error on failure.
151  */
152 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
153 {
154         struct drm_device *dev;
155         struct pci_dev *parent;
156         int r, acpi_status;
157
158         dev = adev_to_drm(adev);
159
160         if (amdgpu_has_atpx() &&
161             (amdgpu_is_atpx_hybrid() ||
162              amdgpu_has_atpx_dgpu_power_cntl()) &&
163             ((flags & AMD_IS_APU) == 0) &&
164             !pci_is_thunderbolt_attached(to_pci_dev(dev->dev)))
165                 flags |= AMD_IS_PX;
166
167         parent = pci_upstream_bridge(adev->pdev);
168         adev->has_pr3 = parent ? pci_pr3_present(parent) : false;
169
170         /* amdgpu_device_init should report only fatal error
171          * like memory allocation failure or iomapping failure,
172          * or memory manager initialization failure, it must
173          * properly initialize the GPU MC controller and permit
174          * VRAM allocation
175          */
176         r = amdgpu_device_init(adev, flags);
177         if (r) {
178                 dev_err(dev->dev, "Fatal error during GPU init\n");
179                 goto out;
180         }
181
182         if (amdgpu_device_supports_px(dev) &&
183             (amdgpu_runtime_pm != 0)) { /* enable runpm by default for atpx */
184                 adev->runpm = true;
185                 dev_info(adev->dev, "Using ATPX for runtime pm\n");
186         } else if (amdgpu_device_supports_boco(dev) &&
187                    (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
188                 adev->runpm = true;
189                 dev_info(adev->dev, "Using BOCO for runtime pm\n");
190         } else if (amdgpu_device_supports_baco(dev) &&
191                    (amdgpu_runtime_pm != 0)) {
192                 switch (adev->asic_type) {
193                 case CHIP_VEGA20:
194                 case CHIP_ARCTURUS:
195                         /* enable runpm if runpm=1 */
196                         if (amdgpu_runtime_pm > 0)
197                                 adev->runpm = true;
198                         break;
199                 case CHIP_VEGA10:
200                         /* turn runpm on if noretry=0 */
201                         if (!adev->gmc.noretry)
202                                 adev->runpm = true;
203                         break;
204                 default:
205                         /* enable runpm on CI+ */
206                         adev->runpm = true;
207                         break;
208                 }
209                 if (adev->runpm)
210                         dev_info(adev->dev, "Using BACO for runtime pm\n");
211         }
212
213         /* Call ACPI methods: require modeset init
214          * but failure is not fatal
215          */
216
217         acpi_status = amdgpu_acpi_init(adev);
218         if (acpi_status)
219                 dev_dbg(dev->dev, "Error during ACPI methods call\n");
220
221         if (adev->runpm) {
222                 /* only need to skip on ATPX */
223                 if (amdgpu_device_supports_px(dev))
224                         dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
225                 /* we want direct complete for BOCO */
226                 if (amdgpu_device_supports_boco(dev))
227                         dev_pm_set_driver_flags(dev->dev, DPM_FLAG_SMART_PREPARE |
228                                                 DPM_FLAG_SMART_SUSPEND |
229                                                 DPM_FLAG_MAY_SKIP_RESUME);
230                 pm_runtime_use_autosuspend(dev->dev);
231                 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
232
233                 pm_runtime_allow(dev->dev);
234
235                 pm_runtime_mark_last_busy(dev->dev);
236                 pm_runtime_put_autosuspend(dev->dev);
237
238                 /*
239                  * For runpm implemented via BACO, PMFW will handle the
240                  * timing for BACO in and out:
241                  *   - put ASIC into BACO state only when both video and
242                  *     audio functions are in D3 state.
243                  *   - pull ASIC out of BACO state when either video or
244                  *     audio function is in D0 state.
245                  * Also, at startup, PMFW assumes both functions are in
246                  * D0 state.
247                  *
248                  * So if snd driver was loaded prior to amdgpu driver
249                  * and audio function was put into D3 state, there will
250                  * be no PMFW-aware D-state transition(D0->D3) on runpm
251                  * suspend. Thus the BACO will be not correctly kicked in.
252                  *
253                  * Via amdgpu_get_audio_func(), the audio dev is put
254                  * into D0 state. Then there will be a PMFW-aware D-state
255                  * transition(D0->D3) on runpm suspend.
256                  */
257                 if (amdgpu_device_supports_baco(dev) &&
258                     !(adev->flags & AMD_IS_APU) &&
259                     (adev->asic_type >= CHIP_NAVI10))
260                         amdgpu_get_audio_func(adev);
261         }
262
263         if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
264                 DRM_WARN("smart shift update failed\n");
265
266 out:
267         if (r) {
268                 /* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
269                 if (adev->rmmio && adev->runpm)
270                         pm_runtime_put_noidle(dev->dev);
271                 amdgpu_driver_unload_kms(dev);
272         }
273
274         return r;
275 }
276
277 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
278                                 struct drm_amdgpu_query_fw *query_fw,
279                                 struct amdgpu_device *adev)
280 {
281         switch (query_fw->fw_type) {
282         case AMDGPU_INFO_FW_VCE:
283                 fw_info->ver = adev->vce.fw_version;
284                 fw_info->feature = adev->vce.fb_version;
285                 break;
286         case AMDGPU_INFO_FW_UVD:
287                 fw_info->ver = adev->uvd.fw_version;
288                 fw_info->feature = 0;
289                 break;
290         case AMDGPU_INFO_FW_VCN:
291                 fw_info->ver = adev->vcn.fw_version;
292                 fw_info->feature = 0;
293                 break;
294         case AMDGPU_INFO_FW_GMC:
295                 fw_info->ver = adev->gmc.fw_version;
296                 fw_info->feature = 0;
297                 break;
298         case AMDGPU_INFO_FW_GFX_ME:
299                 fw_info->ver = adev->gfx.me_fw_version;
300                 fw_info->feature = adev->gfx.me_feature_version;
301                 break;
302         case AMDGPU_INFO_FW_GFX_PFP:
303                 fw_info->ver = adev->gfx.pfp_fw_version;
304                 fw_info->feature = adev->gfx.pfp_feature_version;
305                 break;
306         case AMDGPU_INFO_FW_GFX_CE:
307                 fw_info->ver = adev->gfx.ce_fw_version;
308                 fw_info->feature = adev->gfx.ce_feature_version;
309                 break;
310         case AMDGPU_INFO_FW_GFX_RLC:
311                 fw_info->ver = adev->gfx.rlc_fw_version;
312                 fw_info->feature = adev->gfx.rlc_feature_version;
313                 break;
314         case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
315                 fw_info->ver = adev->gfx.rlc_srlc_fw_version;
316                 fw_info->feature = adev->gfx.rlc_srlc_feature_version;
317                 break;
318         case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
319                 fw_info->ver = adev->gfx.rlc_srlg_fw_version;
320                 fw_info->feature = adev->gfx.rlc_srlg_feature_version;
321                 break;
322         case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
323                 fw_info->ver = adev->gfx.rlc_srls_fw_version;
324                 fw_info->feature = adev->gfx.rlc_srls_feature_version;
325                 break;
326         case AMDGPU_INFO_FW_GFX_MEC:
327                 if (query_fw->index == 0) {
328                         fw_info->ver = adev->gfx.mec_fw_version;
329                         fw_info->feature = adev->gfx.mec_feature_version;
330                 } else if (query_fw->index == 1) {
331                         fw_info->ver = adev->gfx.mec2_fw_version;
332                         fw_info->feature = adev->gfx.mec2_feature_version;
333                 } else
334                         return -EINVAL;
335                 break;
336         case AMDGPU_INFO_FW_SMC:
337                 fw_info->ver = adev->pm.fw_version;
338                 fw_info->feature = 0;
339                 break;
340         case AMDGPU_INFO_FW_TA:
341                 switch (query_fw->index) {
342                 case TA_FW_TYPE_PSP_XGMI:
343                         fw_info->ver = adev->psp.ta_fw_version;
344                         fw_info->feature = adev->psp.ta_xgmi_ucode_version;
345                         break;
346                 case TA_FW_TYPE_PSP_RAS:
347                         fw_info->ver = adev->psp.ta_fw_version;
348                         fw_info->feature = adev->psp.ta_ras_ucode_version;
349                         break;
350                 case TA_FW_TYPE_PSP_HDCP:
351                         fw_info->ver = adev->psp.ta_fw_version;
352                         fw_info->feature = adev->psp.ta_hdcp_ucode_version;
353                         break;
354                 case TA_FW_TYPE_PSP_DTM:
355                         fw_info->ver = adev->psp.ta_fw_version;
356                         fw_info->feature = adev->psp.ta_dtm_ucode_version;
357                         break;
358                 case TA_FW_TYPE_PSP_RAP:
359                         fw_info->ver = adev->psp.ta_fw_version;
360                         fw_info->feature = adev->psp.ta_rap_ucode_version;
361                         break;
362                 case TA_FW_TYPE_PSP_SECUREDISPLAY:
363                         fw_info->ver = adev->psp.ta_fw_version;
364                         fw_info->feature = adev->psp.ta_securedisplay_ucode_version;
365                         break;
366                 default:
367                         return -EINVAL;
368                 }
369                 break;
370         case AMDGPU_INFO_FW_SDMA:
371                 if (query_fw->index >= adev->sdma.num_instances)
372                         return -EINVAL;
373                 fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
374                 fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
375                 break;
376         case AMDGPU_INFO_FW_SOS:
377                 fw_info->ver = adev->psp.sos_fw_version;
378                 fw_info->feature = adev->psp.sos_feature_version;
379                 break;
380         case AMDGPU_INFO_FW_ASD:
381                 fw_info->ver = adev->psp.asd_fw_version;
382                 fw_info->feature = adev->psp.asd_feature_version;
383                 break;
384         case AMDGPU_INFO_FW_DMCU:
385                 fw_info->ver = adev->dm.dmcu_fw_version;
386                 fw_info->feature = 0;
387                 break;
388         case AMDGPU_INFO_FW_DMCUB:
389                 fw_info->ver = adev->dm.dmcub_fw_version;
390                 fw_info->feature = 0;
391                 break;
392         case AMDGPU_INFO_FW_TOC:
393                 fw_info->ver = adev->psp.toc_fw_version;
394                 fw_info->feature = adev->psp.toc_feature_version;
395                 break;
396         default:
397                 return -EINVAL;
398         }
399         return 0;
400 }
401
402 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
403                              struct drm_amdgpu_info *info,
404                              struct drm_amdgpu_info_hw_ip *result)
405 {
406         uint32_t ib_start_alignment = 0;
407         uint32_t ib_size_alignment = 0;
408         enum amd_ip_block_type type;
409         unsigned int num_rings = 0;
410         unsigned int i, j;
411
412         if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
413                 return -EINVAL;
414
415         switch (info->query_hw_ip.type) {
416         case AMDGPU_HW_IP_GFX:
417                 type = AMD_IP_BLOCK_TYPE_GFX;
418                 for (i = 0; i < adev->gfx.num_gfx_rings; i++)
419                         if (adev->gfx.gfx_ring[i].sched.ready)
420                                 ++num_rings;
421                 ib_start_alignment = 32;
422                 ib_size_alignment = 32;
423                 break;
424         case AMDGPU_HW_IP_COMPUTE:
425                 type = AMD_IP_BLOCK_TYPE_GFX;
426                 for (i = 0; i < adev->gfx.num_compute_rings; i++)
427                         if (adev->gfx.compute_ring[i].sched.ready)
428                                 ++num_rings;
429                 ib_start_alignment = 32;
430                 ib_size_alignment = 32;
431                 break;
432         case AMDGPU_HW_IP_DMA:
433                 type = AMD_IP_BLOCK_TYPE_SDMA;
434                 for (i = 0; i < adev->sdma.num_instances; i++)
435                         if (adev->sdma.instance[i].ring.sched.ready)
436                                 ++num_rings;
437                 ib_start_alignment = 256;
438                 ib_size_alignment = 4;
439                 break;
440         case AMDGPU_HW_IP_UVD:
441                 type = AMD_IP_BLOCK_TYPE_UVD;
442                 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
443                         if (adev->uvd.harvest_config & (1 << i))
444                                 continue;
445
446                         if (adev->uvd.inst[i].ring.sched.ready)
447                                 ++num_rings;
448                 }
449                 ib_start_alignment = 64;
450                 ib_size_alignment = 64;
451                 break;
452         case AMDGPU_HW_IP_VCE:
453                 type = AMD_IP_BLOCK_TYPE_VCE;
454                 for (i = 0; i < adev->vce.num_rings; i++)
455                         if (adev->vce.ring[i].sched.ready)
456                                 ++num_rings;
457                 ib_start_alignment = 4;
458                 ib_size_alignment = 1;
459                 break;
460         case AMDGPU_HW_IP_UVD_ENC:
461                 type = AMD_IP_BLOCK_TYPE_UVD;
462                 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
463                         if (adev->uvd.harvest_config & (1 << i))
464                                 continue;
465
466                         for (j = 0; j < adev->uvd.num_enc_rings; j++)
467                                 if (adev->uvd.inst[i].ring_enc[j].sched.ready)
468                                         ++num_rings;
469                 }
470                 ib_start_alignment = 64;
471                 ib_size_alignment = 64;
472                 break;
473         case AMDGPU_HW_IP_VCN_DEC:
474                 type = AMD_IP_BLOCK_TYPE_VCN;
475                 for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
476                         if (adev->uvd.harvest_config & (1 << i))
477                                 continue;
478
479                         if (adev->vcn.inst[i].ring_dec.sched.ready)
480                                 ++num_rings;
481                 }
482                 ib_start_alignment = 16;
483                 ib_size_alignment = 16;
484                 break;
485         case AMDGPU_HW_IP_VCN_ENC:
486                 type = AMD_IP_BLOCK_TYPE_VCN;
487                 for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
488                         if (adev->uvd.harvest_config & (1 << i))
489                                 continue;
490
491                         for (j = 0; j < adev->vcn.num_enc_rings; j++)
492                                 if (adev->vcn.inst[i].ring_enc[j].sched.ready)
493                                         ++num_rings;
494                 }
495                 ib_start_alignment = 64;
496                 ib_size_alignment = 1;
497                 break;
498         case AMDGPU_HW_IP_VCN_JPEG:
499                 type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
500                         AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
501
502                 for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
503                         if (adev->jpeg.harvest_config & (1 << i))
504                                 continue;
505
506                         if (adev->jpeg.inst[i].ring_dec.sched.ready)
507                                 ++num_rings;
508                 }
509                 ib_start_alignment = 16;
510                 ib_size_alignment = 16;
511                 break;
512         default:
513                 return -EINVAL;
514         }
515
516         for (i = 0; i < adev->num_ip_blocks; i++)
517                 if (adev->ip_blocks[i].version->type == type &&
518                     adev->ip_blocks[i].status.valid)
519                         break;
520
521         if (i == adev->num_ip_blocks)
522                 return 0;
523
524         num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
525                         num_rings);
526
527         result->hw_ip_version_major = adev->ip_blocks[i].version->major;
528         result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
529         result->capabilities_flags = 0;
530         result->available_rings = (1 << num_rings) - 1;
531         result->ib_start_alignment = ib_start_alignment;
532         result->ib_size_alignment = ib_size_alignment;
533         return 0;
534 }
535
536 /*
537  * Userspace get information ioctl
538  */
539 /**
540  * amdgpu_info_ioctl - answer a device specific request.
541  *
542  * @dev: drm device pointer
543  * @data: request object
544  * @filp: drm filp
545  *
546  * This function is used to pass device specific parameters to the userspace
547  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
548  * etc. (all asics).
549  * Returns 0 on success, -EINVAL on failure.
550  */
551 int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
552 {
553         struct amdgpu_device *adev = drm_to_adev(dev);
554         struct drm_amdgpu_info *info = data;
555         struct amdgpu_mode_info *minfo = &adev->mode_info;
556         void __user *out = (void __user *)(uintptr_t)info->return_pointer;
557         uint32_t size = info->return_size;
558         struct drm_crtc *crtc;
559         uint32_t ui32 = 0;
560         uint64_t ui64 = 0;
561         int i, found;
562         int ui32_size = sizeof(ui32);
563
564         if (!info->return_size || !info->return_pointer)
565                 return -EINVAL;
566
567         switch (info->query) {
568         case AMDGPU_INFO_ACCEL_WORKING:
569                 ui32 = adev->accel_working;
570                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
571         case AMDGPU_INFO_CRTC_FROM_ID:
572                 for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
573                         crtc = (struct drm_crtc *)minfo->crtcs[i];
574                         if (crtc && crtc->base.id == info->mode_crtc.id) {
575                                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
576                                 ui32 = amdgpu_crtc->crtc_id;
577                                 found = 1;
578                                 break;
579                         }
580                 }
581                 if (!found) {
582                         DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
583                         return -EINVAL;
584                 }
585                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
586         case AMDGPU_INFO_HW_IP_INFO: {
587                 struct drm_amdgpu_info_hw_ip ip = {};
588                 int ret;
589
590                 ret = amdgpu_hw_ip_info(adev, info, &ip);
591                 if (ret)
592                         return ret;
593
594                 ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
595                 return ret ? -EFAULT : 0;
596         }
597         case AMDGPU_INFO_HW_IP_COUNT: {
598                 enum amd_ip_block_type type;
599                 uint32_t count = 0;
600
601                 switch (info->query_hw_ip.type) {
602                 case AMDGPU_HW_IP_GFX:
603                         type = AMD_IP_BLOCK_TYPE_GFX;
604                         break;
605                 case AMDGPU_HW_IP_COMPUTE:
606                         type = AMD_IP_BLOCK_TYPE_GFX;
607                         break;
608                 case AMDGPU_HW_IP_DMA:
609                         type = AMD_IP_BLOCK_TYPE_SDMA;
610                         break;
611                 case AMDGPU_HW_IP_UVD:
612                         type = AMD_IP_BLOCK_TYPE_UVD;
613                         break;
614                 case AMDGPU_HW_IP_VCE:
615                         type = AMD_IP_BLOCK_TYPE_VCE;
616                         break;
617                 case AMDGPU_HW_IP_UVD_ENC:
618                         type = AMD_IP_BLOCK_TYPE_UVD;
619                         break;
620                 case AMDGPU_HW_IP_VCN_DEC:
621                 case AMDGPU_HW_IP_VCN_ENC:
622                         type = AMD_IP_BLOCK_TYPE_VCN;
623                         break;
624                 case AMDGPU_HW_IP_VCN_JPEG:
625                         type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
626                                 AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
627                         break;
628                 default:
629                         return -EINVAL;
630                 }
631
632                 for (i = 0; i < adev->num_ip_blocks; i++)
633                         if (adev->ip_blocks[i].version->type == type &&
634                             adev->ip_blocks[i].status.valid &&
635                             count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
636                                 count++;
637
638                 return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
639         }
640         case AMDGPU_INFO_TIMESTAMP:
641                 ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
642                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
643         case AMDGPU_INFO_FW_VERSION: {
644                 struct drm_amdgpu_info_firmware fw_info;
645                 int ret;
646
647                 /* We only support one instance of each IP block right now. */
648                 if (info->query_fw.ip_instance != 0)
649                         return -EINVAL;
650
651                 ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
652                 if (ret)
653                         return ret;
654
655                 return copy_to_user(out, &fw_info,
656                                     min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
657         }
658         case AMDGPU_INFO_NUM_BYTES_MOVED:
659                 ui64 = atomic64_read(&adev->num_bytes_moved);
660                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
661         case AMDGPU_INFO_NUM_EVICTIONS:
662                 ui64 = atomic64_read(&adev->num_evictions);
663                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
664         case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
665                 ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
666                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
667         case AMDGPU_INFO_VRAM_USAGE:
668                 ui64 = amdgpu_vram_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
669                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
670         case AMDGPU_INFO_VIS_VRAM_USAGE:
671                 ui64 = amdgpu_vram_mgr_vis_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM));
672                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
673         case AMDGPU_INFO_GTT_USAGE:
674                 ui64 = amdgpu_gtt_mgr_usage(ttm_manager_type(&adev->mman.bdev, TTM_PL_TT));
675                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
676         case AMDGPU_INFO_GDS_CONFIG: {
677                 struct drm_amdgpu_info_gds gds_info;
678
679                 memset(&gds_info, 0, sizeof(gds_info));
680                 gds_info.compute_partition_size = adev->gds.gds_size;
681                 gds_info.gds_total_size = adev->gds.gds_size;
682                 gds_info.gws_per_compute_partition = adev->gds.gws_size;
683                 gds_info.oa_per_compute_partition = adev->gds.oa_size;
684                 return copy_to_user(out, &gds_info,
685                                     min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
686         }
687         case AMDGPU_INFO_VRAM_GTT: {
688                 struct drm_amdgpu_info_vram_gtt vram_gtt;
689
690                 vram_gtt.vram_size = adev->gmc.real_vram_size -
691                         atomic64_read(&adev->vram_pin_size) -
692                         AMDGPU_VM_RESERVED_VRAM;
693                 vram_gtt.vram_cpu_accessible_size =
694                         min(adev->gmc.visible_vram_size -
695                             atomic64_read(&adev->visible_pin_size),
696                             vram_gtt.vram_size);
697                 vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
698                 vram_gtt.gtt_size *= PAGE_SIZE;
699                 vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
700                 return copy_to_user(out, &vram_gtt,
701                                     min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
702         }
703         case AMDGPU_INFO_MEMORY: {
704                 struct drm_amdgpu_memory_info mem;
705                 struct ttm_resource_manager *vram_man =
706                         ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
707                 struct ttm_resource_manager *gtt_man =
708                         ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
709                 memset(&mem, 0, sizeof(mem));
710                 mem.vram.total_heap_size = adev->gmc.real_vram_size;
711                 mem.vram.usable_heap_size = adev->gmc.real_vram_size -
712                         atomic64_read(&adev->vram_pin_size) -
713                         AMDGPU_VM_RESERVED_VRAM;
714                 mem.vram.heap_usage =
715                         amdgpu_vram_mgr_usage(vram_man);
716                 mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
717
718                 mem.cpu_accessible_vram.total_heap_size =
719                         adev->gmc.visible_vram_size;
720                 mem.cpu_accessible_vram.usable_heap_size =
721                         min(adev->gmc.visible_vram_size -
722                             atomic64_read(&adev->visible_pin_size),
723                             mem.vram.usable_heap_size);
724                 mem.cpu_accessible_vram.heap_usage =
725                         amdgpu_vram_mgr_vis_usage(vram_man);
726                 mem.cpu_accessible_vram.max_allocation =
727                         mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
728
729                 mem.gtt.total_heap_size = gtt_man->size;
730                 mem.gtt.total_heap_size *= PAGE_SIZE;
731                 mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
732                         atomic64_read(&adev->gart_pin_size);
733                 mem.gtt.heap_usage =
734                         amdgpu_gtt_mgr_usage(gtt_man);
735                 mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
736
737                 return copy_to_user(out, &mem,
738                                     min((size_t)size, sizeof(mem)))
739                                     ? -EFAULT : 0;
740         }
741         case AMDGPU_INFO_READ_MMR_REG: {
742                 unsigned n, alloc_size;
743                 uint32_t *regs;
744                 unsigned se_num = (info->read_mmr_reg.instance >>
745                                    AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
746                                   AMDGPU_INFO_MMR_SE_INDEX_MASK;
747                 unsigned sh_num = (info->read_mmr_reg.instance >>
748                                    AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
749                                   AMDGPU_INFO_MMR_SH_INDEX_MASK;
750
751                 /* set full masks if the userspace set all bits
752                  * in the bitfields */
753                 if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
754                         se_num = 0xffffffff;
755                 else if (se_num >= AMDGPU_GFX_MAX_SE)
756                         return -EINVAL;
757                 if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
758                         sh_num = 0xffffffff;
759                 else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
760                         return -EINVAL;
761
762                 if (info->read_mmr_reg.count > 128)
763                         return -EINVAL;
764
765                 regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
766                 if (!regs)
767                         return -ENOMEM;
768                 alloc_size = info->read_mmr_reg.count * sizeof(*regs);
769
770                 amdgpu_gfx_off_ctrl(adev, false);
771                 for (i = 0; i < info->read_mmr_reg.count; i++) {
772                         if (amdgpu_asic_read_register(adev, se_num, sh_num,
773                                                       info->read_mmr_reg.dword_offset + i,
774                                                       &regs[i])) {
775                                 DRM_DEBUG_KMS("unallowed offset %#x\n",
776                                               info->read_mmr_reg.dword_offset + i);
777                                 kfree(regs);
778                                 amdgpu_gfx_off_ctrl(adev, true);
779                                 return -EFAULT;
780                         }
781                 }
782                 amdgpu_gfx_off_ctrl(adev, true);
783                 n = copy_to_user(out, regs, min(size, alloc_size));
784                 kfree(regs);
785                 return n ? -EFAULT : 0;
786         }
787         case AMDGPU_INFO_DEV_INFO: {
788                 struct drm_amdgpu_info_device *dev_info;
789                 uint64_t vm_size;
790                 int ret;
791
792                 dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
793                 if (!dev_info)
794                         return -ENOMEM;
795
796                 dev_info->device_id = adev->pdev->device;
797                 dev_info->chip_rev = adev->rev_id;
798                 dev_info->external_rev = adev->external_rev_id;
799                 dev_info->pci_rev = adev->pdev->revision;
800                 dev_info->family = adev->family;
801                 dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
802                 dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
803                 /* return all clocks in KHz */
804                 dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
805                 if (adev->pm.dpm_enabled) {
806                         dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
807                         dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
808                 } else {
809                         dev_info->max_engine_clock = adev->clock.default_sclk * 10;
810                         dev_info->max_memory_clock = adev->clock.default_mclk * 10;
811                 }
812                 dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
813                 dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
814                         adev->gfx.config.max_shader_engines;
815                 dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
816                 dev_info->_pad = 0;
817                 dev_info->ids_flags = 0;
818                 if (adev->flags & AMD_IS_APU)
819                         dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
820                 if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
821                         dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
822                 if (amdgpu_is_tmz(adev))
823                         dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
824
825                 vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
826                 vm_size -= AMDGPU_VA_RESERVED_SIZE;
827
828                 /* Older VCE FW versions are buggy and can handle only 40bits */
829                 if (adev->vce.fw_version &&
830                     adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
831                         vm_size = min(vm_size, 1ULL << 40);
832
833                 dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
834                 dev_info->virtual_address_max =
835                         min(vm_size, AMDGPU_GMC_HOLE_START);
836
837                 if (vm_size > AMDGPU_GMC_HOLE_START) {
838                         dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
839                         dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
840                 }
841                 dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
842                 dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
843                 dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
844                 dev_info->cu_active_number = adev->gfx.cu_info.number;
845                 dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
846                 dev_info->ce_ram_size = adev->gfx.ce_ram_size;
847                 memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
848                        sizeof(adev->gfx.cu_info.ao_cu_bitmap));
849                 memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
850                        sizeof(adev->gfx.cu_info.bitmap));
851                 dev_info->vram_type = adev->gmc.vram_type;
852                 dev_info->vram_bit_width = adev->gmc.vram_width;
853                 dev_info->vce_harvest_config = adev->vce.harvest_config;
854                 dev_info->gc_double_offchip_lds_buf =
855                         adev->gfx.config.double_offchip_lds_buf;
856                 dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
857                 dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
858                 dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
859                 dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
860                 dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
861                 dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
862                 dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
863
864                 if (adev->family >= AMDGPU_FAMILY_NV)
865                         dev_info->pa_sc_tile_steering_override =
866                                 adev->gfx.config.pa_sc_tile_steering_override;
867
868                 dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
869
870                 ret = copy_to_user(out, dev_info,
871                                    min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
872                 kfree(dev_info);
873                 return ret;
874         }
875         case AMDGPU_INFO_VCE_CLOCK_TABLE: {
876                 unsigned i;
877                 struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
878                 struct amd_vce_state *vce_state;
879
880                 for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
881                         vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
882                         if (vce_state) {
883                                 vce_clk_table.entries[i].sclk = vce_state->sclk;
884                                 vce_clk_table.entries[i].mclk = vce_state->mclk;
885                                 vce_clk_table.entries[i].eclk = vce_state->evclk;
886                                 vce_clk_table.num_valid_entries++;
887                         }
888                 }
889
890                 return copy_to_user(out, &vce_clk_table,
891                                     min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
892         }
893         case AMDGPU_INFO_VBIOS: {
894                 uint32_t bios_size = adev->bios_size;
895
896                 switch (info->vbios_info.type) {
897                 case AMDGPU_INFO_VBIOS_SIZE:
898                         return copy_to_user(out, &bios_size,
899                                         min((size_t)size, sizeof(bios_size)))
900                                         ? -EFAULT : 0;
901                 case AMDGPU_INFO_VBIOS_IMAGE: {
902                         uint8_t *bios;
903                         uint32_t bios_offset = info->vbios_info.offset;
904
905                         if (bios_offset >= bios_size)
906                                 return -EINVAL;
907
908                         bios = adev->bios + bios_offset;
909                         return copy_to_user(out, bios,
910                                             min((size_t)size, (size_t)(bios_size - bios_offset)))
911                                         ? -EFAULT : 0;
912                 }
913                 case AMDGPU_INFO_VBIOS_INFO: {
914                         struct drm_amdgpu_info_vbios vbios_info = {};
915                         struct atom_context *atom_context;
916
917                         atom_context = adev->mode_info.atom_context;
918                         memcpy(vbios_info.name, atom_context->name, sizeof(atom_context->name));
919                         memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, sizeof(atom_context->vbios_pn));
920                         vbios_info.version = atom_context->version;
921                         memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
922                                                 sizeof(atom_context->vbios_ver_str));
923                         memcpy(vbios_info.date, atom_context->date, sizeof(atom_context->date));
924
925                         return copy_to_user(out, &vbios_info,
926                                                 min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
927                 }
928                 default:
929                         DRM_DEBUG_KMS("Invalid request %d\n",
930                                         info->vbios_info.type);
931                         return -EINVAL;
932                 }
933         }
934         case AMDGPU_INFO_NUM_HANDLES: {
935                 struct drm_amdgpu_info_num_handles handle;
936
937                 switch (info->query_hw_ip.type) {
938                 case AMDGPU_HW_IP_UVD:
939                         /* Starting Polaris, we support unlimited UVD handles */
940                         if (adev->asic_type < CHIP_POLARIS10) {
941                                 handle.uvd_max_handles = adev->uvd.max_handles;
942                                 handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
943
944                                 return copy_to_user(out, &handle,
945                                         min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
946                         } else {
947                                 return -ENODATA;
948                         }
949
950                         break;
951                 default:
952                         return -EINVAL;
953                 }
954         }
955         case AMDGPU_INFO_SENSOR: {
956                 if (!adev->pm.dpm_enabled)
957                         return -ENOENT;
958
959                 switch (info->sensor_info.type) {
960                 case AMDGPU_INFO_SENSOR_GFX_SCLK:
961                         /* get sclk in Mhz */
962                         if (amdgpu_dpm_read_sensor(adev,
963                                                    AMDGPU_PP_SENSOR_GFX_SCLK,
964                                                    (void *)&ui32, &ui32_size)) {
965                                 return -EINVAL;
966                         }
967                         ui32 /= 100;
968                         break;
969                 case AMDGPU_INFO_SENSOR_GFX_MCLK:
970                         /* get mclk in Mhz */
971                         if (amdgpu_dpm_read_sensor(adev,
972                                                    AMDGPU_PP_SENSOR_GFX_MCLK,
973                                                    (void *)&ui32, &ui32_size)) {
974                                 return -EINVAL;
975                         }
976                         ui32 /= 100;
977                         break;
978                 case AMDGPU_INFO_SENSOR_GPU_TEMP:
979                         /* get temperature in millidegrees C */
980                         if (amdgpu_dpm_read_sensor(adev,
981                                                    AMDGPU_PP_SENSOR_GPU_TEMP,
982                                                    (void *)&ui32, &ui32_size)) {
983                                 return -EINVAL;
984                         }
985                         break;
986                 case AMDGPU_INFO_SENSOR_GPU_LOAD:
987                         /* get GPU load */
988                         if (amdgpu_dpm_read_sensor(adev,
989                                                    AMDGPU_PP_SENSOR_GPU_LOAD,
990                                                    (void *)&ui32, &ui32_size)) {
991                                 return -EINVAL;
992                         }
993                         break;
994                 case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
995                         /* get average GPU power */
996                         if (amdgpu_dpm_read_sensor(adev,
997                                                    AMDGPU_PP_SENSOR_GPU_POWER,
998                                                    (void *)&ui32, &ui32_size)) {
999                                 return -EINVAL;
1000                         }
1001                         ui32 >>= 8;
1002                         break;
1003                 case AMDGPU_INFO_SENSOR_VDDNB:
1004                         /* get VDDNB in millivolts */
1005                         if (amdgpu_dpm_read_sensor(adev,
1006                                                    AMDGPU_PP_SENSOR_VDDNB,
1007                                                    (void *)&ui32, &ui32_size)) {
1008                                 return -EINVAL;
1009                         }
1010                         break;
1011                 case AMDGPU_INFO_SENSOR_VDDGFX:
1012                         /* get VDDGFX in millivolts */
1013                         if (amdgpu_dpm_read_sensor(adev,
1014                                                    AMDGPU_PP_SENSOR_VDDGFX,
1015                                                    (void *)&ui32, &ui32_size)) {
1016                                 return -EINVAL;
1017                         }
1018                         break;
1019                 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
1020                         /* get stable pstate sclk in Mhz */
1021                         if (amdgpu_dpm_read_sensor(adev,
1022                                                    AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
1023                                                    (void *)&ui32, &ui32_size)) {
1024                                 return -EINVAL;
1025                         }
1026                         ui32 /= 100;
1027                         break;
1028                 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
1029                         /* get stable pstate mclk in Mhz */
1030                         if (amdgpu_dpm_read_sensor(adev,
1031                                                    AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
1032                                                    (void *)&ui32, &ui32_size)) {
1033                                 return -EINVAL;
1034                         }
1035                         ui32 /= 100;
1036                         break;
1037                 default:
1038                         DRM_DEBUG_KMS("Invalid request %d\n",
1039                                       info->sensor_info.type);
1040                         return -EINVAL;
1041                 }
1042                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1043         }
1044         case AMDGPU_INFO_VRAM_LOST_COUNTER:
1045                 ui32 = atomic_read(&adev->vram_lost_counter);
1046                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
1047         case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
1048                 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
1049                 uint64_t ras_mask;
1050
1051                 if (!ras)
1052                         return -EINVAL;
1053                 ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
1054
1055                 return copy_to_user(out, &ras_mask,
1056                                 min_t(u64, size, sizeof(ras_mask))) ?
1057                         -EFAULT : 0;
1058         }
1059         case AMDGPU_INFO_VIDEO_CAPS: {
1060                 const struct amdgpu_video_codecs *codecs;
1061                 struct drm_amdgpu_info_video_caps *caps;
1062                 int r;
1063
1064                 switch (info->video_cap.type) {
1065                 case AMDGPU_INFO_VIDEO_CAPS_DECODE:
1066                         r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
1067                         if (r)
1068                                 return -EINVAL;
1069                         break;
1070                 case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
1071                         r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
1072                         if (r)
1073                                 return -EINVAL;
1074                         break;
1075                 default:
1076                         DRM_DEBUG_KMS("Invalid request %d\n",
1077                                       info->video_cap.type);
1078                         return -EINVAL;
1079                 }
1080
1081                 caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1082                 if (!caps)
1083                         return -ENOMEM;
1084
1085                 for (i = 0; i < codecs->codec_count; i++) {
1086                         int idx = codecs->codec_array[i].codec_type;
1087
1088                         switch (idx) {
1089                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
1090                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
1091                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
1092                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
1093                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
1094                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
1095                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
1096                         case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
1097                                 caps->codec_info[idx].valid = 1;
1098                                 caps->codec_info[idx].max_width =
1099                                         codecs->codec_array[i].max_width;
1100                                 caps->codec_info[idx].max_height =
1101                                         codecs->codec_array[i].max_height;
1102                                 caps->codec_info[idx].max_pixels_per_frame =
1103                                         codecs->codec_array[i].max_pixels_per_frame;
1104                                 caps->codec_info[idx].max_level =
1105                                         codecs->codec_array[i].max_level;
1106                                 break;
1107                         default:
1108                                 break;
1109                         }
1110                 }
1111                 r = copy_to_user(out, caps,
1112                                  min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
1113                 kfree(caps);
1114                 return r;
1115         }
1116         default:
1117                 DRM_DEBUG_KMS("Invalid request %d\n", info->query);
1118                 return -EINVAL;
1119         }
1120         return 0;
1121 }
1122
1123
1124 /*
1125  * Outdated mess for old drm with Xorg being in charge (void function now).
1126  */
1127 /**
1128  * amdgpu_driver_lastclose_kms - drm callback for last close
1129  *
1130  * @dev: drm dev pointer
1131  *
1132  * Switch vga_switcheroo state after last close (all asics).
1133  */
1134 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
1135 {
1136         drm_fb_helper_lastclose(dev);
1137         vga_switcheroo_process_delayed_switch();
1138 }
1139
1140 /**
1141  * amdgpu_driver_open_kms - drm callback for open
1142  *
1143  * @dev: drm dev pointer
1144  * @file_priv: drm file
1145  *
1146  * On device open, init vm on cayman+ (all asics).
1147  * Returns 0 on success, error on failure.
1148  */
1149 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
1150 {
1151         struct amdgpu_device *adev = drm_to_adev(dev);
1152         struct amdgpu_fpriv *fpriv;
1153         int r, pasid;
1154
1155         /* Ensure IB tests are run on ring */
1156         flush_delayed_work(&adev->delayed_init_work);
1157
1158
1159         if (amdgpu_ras_intr_triggered()) {
1160                 DRM_ERROR("RAS Intr triggered, device disabled!!");
1161                 return -EHWPOISON;
1162         }
1163
1164         file_priv->driver_priv = NULL;
1165
1166         r = pm_runtime_get_sync(dev->dev);
1167         if (r < 0)
1168                 goto pm_put;
1169
1170         fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1171         if (unlikely(!fpriv)) {
1172                 r = -ENOMEM;
1173                 goto out_suspend;
1174         }
1175
1176         pasid = amdgpu_pasid_alloc(16);
1177         if (pasid < 0) {
1178                 dev_warn(adev->dev, "No more PASIDs available!");
1179                 pasid = 0;
1180         }
1181
1182         r = amdgpu_vm_init(adev, &fpriv->vm, pasid);
1183         if (r)
1184                 goto error_pasid;
1185
1186         fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1187         if (!fpriv->prt_va) {
1188                 r = -ENOMEM;
1189                 goto error_vm;
1190         }
1191
1192         if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1193                 uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1194
1195                 r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1196                                                 &fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1197                 if (r)
1198                         goto error_vm;
1199         }
1200
1201         mutex_init(&fpriv->bo_list_lock);
1202         idr_init(&fpriv->bo_list_handles);
1203
1204         amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
1205
1206         file_priv->driver_priv = fpriv;
1207         goto out_suspend;
1208
1209 error_vm:
1210         amdgpu_vm_fini(adev, &fpriv->vm);
1211
1212 error_pasid:
1213         if (pasid)
1214                 amdgpu_pasid_free(pasid);
1215
1216         kfree(fpriv);
1217
1218 out_suspend:
1219         pm_runtime_mark_last_busy(dev->dev);
1220 pm_put:
1221         pm_runtime_put_autosuspend(dev->dev);
1222
1223         return r;
1224 }
1225
1226 /**
1227  * amdgpu_driver_postclose_kms - drm callback for post close
1228  *
1229  * @dev: drm dev pointer
1230  * @file_priv: drm file
1231  *
1232  * On device post close, tear down vm on cayman+ (all asics).
1233  */
1234 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1235                                  struct drm_file *file_priv)
1236 {
1237         struct amdgpu_device *adev = drm_to_adev(dev);
1238         struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1239         struct amdgpu_bo_list *list;
1240         struct amdgpu_bo *pd;
1241         u32 pasid;
1242         int handle;
1243
1244         if (!fpriv)
1245                 return;
1246
1247         pm_runtime_get_sync(dev->dev);
1248
1249         if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1250                 amdgpu_uvd_free_handles(adev, file_priv);
1251         if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1252                 amdgpu_vce_free_handles(adev, file_priv);
1253
1254         amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1255
1256         if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1257                 /* TODO: how to handle reserve failure */
1258                 BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1259                 amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1260                 fpriv->csa_va = NULL;
1261                 amdgpu_bo_unreserve(adev->virt.csa_obj);
1262         }
1263
1264         pasid = fpriv->vm.pasid;
1265         pd = amdgpu_bo_ref(fpriv->vm.root.bo);
1266
1267         amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1268         amdgpu_vm_fini(adev, &fpriv->vm);
1269
1270         if (pasid)
1271                 amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1272         amdgpu_bo_unref(&pd);
1273
1274         idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1275                 amdgpu_bo_list_put(list);
1276
1277         idr_destroy(&fpriv->bo_list_handles);
1278         mutex_destroy(&fpriv->bo_list_lock);
1279
1280         kfree(fpriv);
1281         file_priv->driver_priv = NULL;
1282
1283         pm_runtime_mark_last_busy(dev->dev);
1284         pm_runtime_put_autosuspend(dev->dev);
1285 }
1286
1287
1288 void amdgpu_driver_release_kms(struct drm_device *dev)
1289 {
1290         struct amdgpu_device *adev = drm_to_adev(dev);
1291
1292         amdgpu_device_fini_sw(adev);
1293         pci_set_drvdata(adev->pdev, NULL);
1294 }
1295
1296 /*
1297  * VBlank related functions.
1298  */
1299 /**
1300  * amdgpu_get_vblank_counter_kms - get frame count
1301  *
1302  * @crtc: crtc to get the frame count from
1303  *
1304  * Gets the frame count on the requested crtc (all asics).
1305  * Returns frame count on success, -EINVAL on failure.
1306  */
1307 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1308 {
1309         struct drm_device *dev = crtc->dev;
1310         unsigned int pipe = crtc->index;
1311         struct amdgpu_device *adev = drm_to_adev(dev);
1312         int vpos, hpos, stat;
1313         u32 count;
1314
1315         if (pipe >= adev->mode_info.num_crtc) {
1316                 DRM_ERROR("Invalid crtc %u\n", pipe);
1317                 return -EINVAL;
1318         }
1319
1320         /* The hw increments its frame counter at start of vsync, not at start
1321          * of vblank, as is required by DRM core vblank counter handling.
1322          * Cook the hw count here to make it appear to the caller as if it
1323          * incremented at start of vblank. We measure distance to start of
1324          * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1325          * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1326          * result by 1 to give the proper appearance to caller.
1327          */
1328         if (adev->mode_info.crtcs[pipe]) {
1329                 /* Repeat readout if needed to provide stable result if
1330                  * we cross start of vsync during the queries.
1331                  */
1332                 do {
1333                         count = amdgpu_display_vblank_get_counter(adev, pipe);
1334                         /* Ask amdgpu_display_get_crtc_scanoutpos to return
1335                          * vpos as distance to start of vblank, instead of
1336                          * regular vertical scanout pos.
1337                          */
1338                         stat = amdgpu_display_get_crtc_scanoutpos(
1339                                 dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1340                                 &vpos, &hpos, NULL, NULL,
1341                                 &adev->mode_info.crtcs[pipe]->base.hwmode);
1342                 } while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1343
1344                 if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1345                     (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1346                         DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1347                 } else {
1348                         DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1349                                       pipe, vpos);
1350
1351                         /* Bump counter if we are at >= leading edge of vblank,
1352                          * but before vsync where vpos would turn negative and
1353                          * the hw counter really increments.
1354                          */
1355                         if (vpos >= 0)
1356                                 count++;
1357                 }
1358         } else {
1359                 /* Fallback to use value as is. */
1360                 count = amdgpu_display_vblank_get_counter(adev, pipe);
1361                 DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1362         }
1363
1364         return count;
1365 }
1366
1367 /**
1368  * amdgpu_enable_vblank_kms - enable vblank interrupt
1369  *
1370  * @crtc: crtc to enable vblank interrupt for
1371  *
1372  * Enable the interrupt on the requested crtc (all asics).
1373  * Returns 0 on success, -EINVAL on failure.
1374  */
1375 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1376 {
1377         struct drm_device *dev = crtc->dev;
1378         unsigned int pipe = crtc->index;
1379         struct amdgpu_device *adev = drm_to_adev(dev);
1380         int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1381
1382         return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1383 }
1384
1385 /**
1386  * amdgpu_disable_vblank_kms - disable vblank interrupt
1387  *
1388  * @crtc: crtc to disable vblank interrupt for
1389  *
1390  * Disable the interrupt on the requested crtc (all asics).
1391  */
1392 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1393 {
1394         struct drm_device *dev = crtc->dev;
1395         unsigned int pipe = crtc->index;
1396         struct amdgpu_device *adev = drm_to_adev(dev);
1397         int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1398
1399         amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1400 }
1401
1402 /*
1403  * Debugfs info
1404  */
1405 #if defined(CONFIG_DEBUG_FS)
1406
1407 static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
1408 {
1409         struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
1410         struct drm_amdgpu_info_firmware fw_info;
1411         struct drm_amdgpu_query_fw query_fw;
1412         struct atom_context *ctx = adev->mode_info.atom_context;
1413         int ret, i;
1414
1415         static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
1416 #define TA_FW_NAME(type) [TA_FW_TYPE_PSP_##type] = #type
1417                 TA_FW_NAME(XGMI),
1418                 TA_FW_NAME(RAS),
1419                 TA_FW_NAME(HDCP),
1420                 TA_FW_NAME(DTM),
1421                 TA_FW_NAME(RAP),
1422                 TA_FW_NAME(SECUREDISPLAY),
1423 #undef TA_FW_NAME
1424         };
1425
1426         /* VCE */
1427         query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1428         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1429         if (ret)
1430                 return ret;
1431         seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1432                    fw_info.feature, fw_info.ver);
1433
1434         /* UVD */
1435         query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1436         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1437         if (ret)
1438                 return ret;
1439         seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1440                    fw_info.feature, fw_info.ver);
1441
1442         /* GMC */
1443         query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1444         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1445         if (ret)
1446                 return ret;
1447         seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1448                    fw_info.feature, fw_info.ver);
1449
1450         /* ME */
1451         query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1452         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1453         if (ret)
1454                 return ret;
1455         seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1456                    fw_info.feature, fw_info.ver);
1457
1458         /* PFP */
1459         query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1460         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1461         if (ret)
1462                 return ret;
1463         seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1464                    fw_info.feature, fw_info.ver);
1465
1466         /* CE */
1467         query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1468         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1469         if (ret)
1470                 return ret;
1471         seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1472                    fw_info.feature, fw_info.ver);
1473
1474         /* RLC */
1475         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1476         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1477         if (ret)
1478                 return ret;
1479         seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1480                    fw_info.feature, fw_info.ver);
1481
1482         /* RLC SAVE RESTORE LIST CNTL */
1483         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1484         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1485         if (ret)
1486                 return ret;
1487         seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1488                    fw_info.feature, fw_info.ver);
1489
1490         /* RLC SAVE RESTORE LIST GPM MEM */
1491         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1492         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1493         if (ret)
1494                 return ret;
1495         seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1496                    fw_info.feature, fw_info.ver);
1497
1498         /* RLC SAVE RESTORE LIST SRM MEM */
1499         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1500         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1501         if (ret)
1502                 return ret;
1503         seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1504                    fw_info.feature, fw_info.ver);
1505
1506         /* MEC */
1507         query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1508         query_fw.index = 0;
1509         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1510         if (ret)
1511                 return ret;
1512         seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1513                    fw_info.feature, fw_info.ver);
1514
1515         /* MEC2 */
1516         if (adev->gfx.mec2_fw) {
1517                 query_fw.index = 1;
1518                 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1519                 if (ret)
1520                         return ret;
1521                 seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1522                            fw_info.feature, fw_info.ver);
1523         }
1524
1525         /* PSP SOS */
1526         query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1527         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1528         if (ret)
1529                 return ret;
1530         seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1531                    fw_info.feature, fw_info.ver);
1532
1533
1534         /* PSP ASD */
1535         query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1536         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1537         if (ret)
1538                 return ret;
1539         seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1540                    fw_info.feature, fw_info.ver);
1541
1542         query_fw.fw_type = AMDGPU_INFO_FW_TA;
1543         for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
1544                 query_fw.index = i;
1545                 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1546                 if (ret)
1547                         continue;
1548
1549                 seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
1550                            ta_fw_name[i], fw_info.feature, fw_info.ver);
1551         }
1552
1553         /* SMC */
1554         query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1555         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1556         if (ret)
1557                 return ret;
1558         seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1559                    fw_info.feature, fw_info.ver);
1560
1561         /* SDMA */
1562         query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1563         for (i = 0; i < adev->sdma.num_instances; i++) {
1564                 query_fw.index = i;
1565                 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1566                 if (ret)
1567                         return ret;
1568                 seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1569                            i, fw_info.feature, fw_info.ver);
1570         }
1571
1572         /* VCN */
1573         query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1574         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1575         if (ret)
1576                 return ret;
1577         seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1578                    fw_info.feature, fw_info.ver);
1579
1580         /* DMCU */
1581         query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1582         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1583         if (ret)
1584                 return ret;
1585         seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1586                    fw_info.feature, fw_info.ver);
1587
1588         /* DMCUB */
1589         query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1590         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1591         if (ret)
1592                 return ret;
1593         seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1594                    fw_info.feature, fw_info.ver);
1595
1596         /* TOC */
1597         query_fw.fw_type = AMDGPU_INFO_FW_TOC;
1598         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1599         if (ret)
1600                 return ret;
1601         seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
1602                    fw_info.feature, fw_info.ver);
1603
1604         seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1605
1606         return 0;
1607 }
1608
1609 DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
1610
1611 #endif
1612
1613 void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1614 {
1615 #if defined(CONFIG_DEBUG_FS)
1616         struct drm_minor *minor = adev_to_drm(adev)->primary;
1617         struct dentry *root = minor->debugfs_root;
1618
1619         debugfs_create_file("amdgpu_firmware_info", 0444, root,
1620                             adev, &amdgpu_debugfs_firmware_info_fops);
1621
1622 #endif
1623 }