Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[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 #include <drm/drmP.h>
29 #include "amdgpu.h"
30 #include <drm/amdgpu_drm.h>
31 #include "amdgpu_sched.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/pm_runtime.h>
39 #include "amdgpu_amdkfd.h"
40 #include "amdgpu_gem.h"
41 #include "amdgpu_display.h"
42
43 static void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
44 {
45         struct amdgpu_gpu_instance *gpu_instance;
46         int i;
47
48         mutex_lock(&mgpu_info.mutex);
49
50         for (i = 0; i < mgpu_info.num_gpu; i++) {
51                 gpu_instance = &(mgpu_info.gpu_ins[i]);
52                 if (gpu_instance->adev == adev) {
53                         mgpu_info.gpu_ins[i] =
54                                 mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
55                         mgpu_info.num_gpu--;
56                         if (adev->flags & AMD_IS_APU)
57                                 mgpu_info.num_apu--;
58                         else
59                                 mgpu_info.num_dgpu--;
60                         break;
61                 }
62         }
63
64         mutex_unlock(&mgpu_info.mutex);
65 }
66
67 /**
68  * amdgpu_driver_unload_kms - Main unload function for KMS.
69  *
70  * @dev: drm dev pointer
71  *
72  * This is the main unload function for KMS (all asics).
73  * Returns 0 on success.
74  */
75 void amdgpu_driver_unload_kms(struct drm_device *dev)
76 {
77         struct amdgpu_device *adev = dev->dev_private;
78
79         if (adev == NULL)
80                 return;
81
82         amdgpu_unregister_gpu_instance(adev);
83
84         if (adev->rmmio == NULL)
85                 goto done_free;
86
87         if (amdgpu_sriov_vf(adev))
88                 amdgpu_virt_request_full_gpu(adev, false);
89
90         if (amdgpu_device_is_px(dev)) {
91                 pm_runtime_get_sync(dev->dev);
92                 pm_runtime_forbid(dev->dev);
93         }
94
95         amdgpu_acpi_fini(adev);
96
97         amdgpu_device_fini(adev);
98
99 done_free:
100         kfree(adev);
101         dev->dev_private = NULL;
102 }
103
104 static void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
105 {
106         struct amdgpu_gpu_instance *gpu_instance;
107
108         mutex_lock(&mgpu_info.mutex);
109
110         if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
111                 DRM_ERROR("Cannot register more gpu instance\n");
112                 mutex_unlock(&mgpu_info.mutex);
113                 return;
114         }
115
116         gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
117         gpu_instance->adev = adev;
118         gpu_instance->mgpu_fan_enabled = 0;
119
120         mgpu_info.num_gpu++;
121         if (adev->flags & AMD_IS_APU)
122                 mgpu_info.num_apu++;
123         else
124                 mgpu_info.num_dgpu++;
125
126         mutex_unlock(&mgpu_info.mutex);
127 }
128
129 /**
130  * amdgpu_driver_load_kms - Main load function for KMS.
131  *
132  * @dev: drm dev pointer
133  * @flags: device flags
134  *
135  * This is the main load function for KMS (all asics).
136  * Returns 0 on success, error on failure.
137  */
138 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
139 {
140         struct amdgpu_device *adev;
141         int r, acpi_status;
142
143 #ifdef CONFIG_DRM_AMDGPU_SI
144         if (!amdgpu_si_support) {
145                 switch (flags & AMD_ASIC_MASK) {
146                 case CHIP_TAHITI:
147                 case CHIP_PITCAIRN:
148                 case CHIP_VERDE:
149                 case CHIP_OLAND:
150                 case CHIP_HAINAN:
151                         dev_info(dev->dev,
152                                  "SI support provided by radeon.\n");
153                         dev_info(dev->dev,
154                                  "Use radeon.si_support=0 amdgpu.si_support=1 to override.\n"
155                                 );
156                         return -ENODEV;
157                 }
158         }
159 #endif
160 #ifdef CONFIG_DRM_AMDGPU_CIK
161         if (!amdgpu_cik_support) {
162                 switch (flags & AMD_ASIC_MASK) {
163                 case CHIP_KAVERI:
164                 case CHIP_BONAIRE:
165                 case CHIP_HAWAII:
166                 case CHIP_KABINI:
167                 case CHIP_MULLINS:
168                         dev_info(dev->dev,
169                                  "CIK support provided by radeon.\n");
170                         dev_info(dev->dev,
171                                  "Use radeon.cik_support=0 amdgpu.cik_support=1 to override.\n"
172                                 );
173                         return -ENODEV;
174                 }
175         }
176 #endif
177
178         adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
179         if (adev == NULL) {
180                 return -ENOMEM;
181         }
182         dev->dev_private = (void *)adev;
183
184         if ((amdgpu_runtime_pm != 0) &&
185             amdgpu_has_atpx() &&
186             (amdgpu_is_atpx_hybrid() ||
187              amdgpu_has_atpx_dgpu_power_cntl()) &&
188             ((flags & AMD_IS_APU) == 0) &&
189             !pci_is_thunderbolt_attached(dev->pdev))
190                 flags |= AMD_IS_PX;
191
192         /* amdgpu_device_init should report only fatal error
193          * like memory allocation failure or iomapping failure,
194          * or memory manager initialization failure, it must
195          * properly initialize the GPU MC controller and permit
196          * VRAM allocation
197          */
198         r = amdgpu_device_init(adev, dev, dev->pdev, flags);
199         if (r) {
200                 dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
201                 goto out;
202         }
203
204         /* Call ACPI methods: require modeset init
205          * but failure is not fatal
206          */
207         if (!r) {
208                 acpi_status = amdgpu_acpi_init(adev);
209                 if (acpi_status)
210                         dev_dbg(&dev->pdev->dev,
211                                 "Error during ACPI methods call\n");
212         }
213
214         if (amdgpu_device_is_px(dev)) {
215                 dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NEVER_SKIP);
216                 pm_runtime_use_autosuspend(dev->dev);
217                 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
218                 pm_runtime_set_active(dev->dev);
219                 pm_runtime_allow(dev->dev);
220                 pm_runtime_mark_last_busy(dev->dev);
221                 pm_runtime_put_autosuspend(dev->dev);
222         }
223
224         amdgpu_register_gpu_instance(adev);
225 out:
226         if (r) {
227                 /* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
228                 if (adev->rmmio && amdgpu_device_is_px(dev))
229                         pm_runtime_put_noidle(dev->dev);
230                 amdgpu_driver_unload_kms(dev);
231         }
232
233         return r;
234 }
235
236 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
237                                 struct drm_amdgpu_query_fw *query_fw,
238                                 struct amdgpu_device *adev)
239 {
240         switch (query_fw->fw_type) {
241         case AMDGPU_INFO_FW_VCE:
242                 fw_info->ver = adev->vce.fw_version;
243                 fw_info->feature = adev->vce.fb_version;
244                 break;
245         case AMDGPU_INFO_FW_UVD:
246                 fw_info->ver = adev->uvd.fw_version;
247                 fw_info->feature = 0;
248                 break;
249         case AMDGPU_INFO_FW_VCN:
250                 fw_info->ver = adev->vcn.fw_version;
251                 fw_info->feature = 0;
252                 break;
253         case AMDGPU_INFO_FW_GMC:
254                 fw_info->ver = adev->gmc.fw_version;
255                 fw_info->feature = 0;
256                 break;
257         case AMDGPU_INFO_FW_GFX_ME:
258                 fw_info->ver = adev->gfx.me_fw_version;
259                 fw_info->feature = adev->gfx.me_feature_version;
260                 break;
261         case AMDGPU_INFO_FW_GFX_PFP:
262                 fw_info->ver = adev->gfx.pfp_fw_version;
263                 fw_info->feature = adev->gfx.pfp_feature_version;
264                 break;
265         case AMDGPU_INFO_FW_GFX_CE:
266                 fw_info->ver = adev->gfx.ce_fw_version;
267                 fw_info->feature = adev->gfx.ce_feature_version;
268                 break;
269         case AMDGPU_INFO_FW_GFX_RLC:
270                 fw_info->ver = adev->gfx.rlc_fw_version;
271                 fw_info->feature = adev->gfx.rlc_feature_version;
272                 break;
273         case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
274                 fw_info->ver = adev->gfx.rlc_srlc_fw_version;
275                 fw_info->feature = adev->gfx.rlc_srlc_feature_version;
276                 break;
277         case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
278                 fw_info->ver = adev->gfx.rlc_srlg_fw_version;
279                 fw_info->feature = adev->gfx.rlc_srlg_feature_version;
280                 break;
281         case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
282                 fw_info->ver = adev->gfx.rlc_srls_fw_version;
283                 fw_info->feature = adev->gfx.rlc_srls_feature_version;
284                 break;
285         case AMDGPU_INFO_FW_GFX_MEC:
286                 if (query_fw->index == 0) {
287                         fw_info->ver = adev->gfx.mec_fw_version;
288                         fw_info->feature = adev->gfx.mec_feature_version;
289                 } else if (query_fw->index == 1) {
290                         fw_info->ver = adev->gfx.mec2_fw_version;
291                         fw_info->feature = adev->gfx.mec2_feature_version;
292                 } else
293                         return -EINVAL;
294                 break;
295         case AMDGPU_INFO_FW_SMC:
296                 fw_info->ver = adev->pm.fw_version;
297                 fw_info->feature = 0;
298                 break;
299         case AMDGPU_INFO_FW_SDMA:
300                 if (query_fw->index >= adev->sdma.num_instances)
301                         return -EINVAL;
302                 fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
303                 fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
304                 break;
305         case AMDGPU_INFO_FW_SOS:
306                 fw_info->ver = adev->psp.sos_fw_version;
307                 fw_info->feature = adev->psp.sos_feature_version;
308                 break;
309         case AMDGPU_INFO_FW_ASD:
310                 fw_info->ver = adev->psp.asd_fw_version;
311                 fw_info->feature = adev->psp.asd_feature_version;
312                 break;
313         case AMDGPU_INFO_FW_DMCU:
314                 fw_info->ver = adev->dm.dmcu_fw_version;
315                 fw_info->feature = 0;
316                 break;
317         default:
318                 return -EINVAL;
319         }
320         return 0;
321 }
322
323 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
324                              struct drm_amdgpu_info *info,
325                              struct drm_amdgpu_info_hw_ip *result)
326 {
327         uint32_t ib_start_alignment = 0;
328         uint32_t ib_size_alignment = 0;
329         enum amd_ip_block_type type;
330         unsigned int num_rings = 0;
331         unsigned int i, j;
332
333         if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
334                 return -EINVAL;
335
336         switch (info->query_hw_ip.type) {
337         case AMDGPU_HW_IP_GFX:
338                 type = AMD_IP_BLOCK_TYPE_GFX;
339                 for (i = 0; i < adev->gfx.num_gfx_rings; i++)
340                         if (adev->gfx.gfx_ring[i].sched.ready)
341                                 ++num_rings;
342                 ib_start_alignment = 32;
343                 ib_size_alignment = 32;
344                 break;
345         case AMDGPU_HW_IP_COMPUTE:
346                 type = AMD_IP_BLOCK_TYPE_GFX;
347                 for (i = 0; i < adev->gfx.num_compute_rings; i++)
348                         if (adev->gfx.compute_ring[i].sched.ready)
349                                 ++num_rings;
350                 ib_start_alignment = 32;
351                 ib_size_alignment = 32;
352                 break;
353         case AMDGPU_HW_IP_DMA:
354                 type = AMD_IP_BLOCK_TYPE_SDMA;
355                 for (i = 0; i < adev->sdma.num_instances; i++)
356                         if (adev->sdma.instance[i].ring.sched.ready)
357                                 ++num_rings;
358                 ib_start_alignment = 256;
359                 ib_size_alignment = 4;
360                 break;
361         case AMDGPU_HW_IP_UVD:
362                 type = AMD_IP_BLOCK_TYPE_UVD;
363                 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
364                         if (adev->uvd.harvest_config & (1 << i))
365                                 continue;
366
367                         if (adev->uvd.inst[i].ring.sched.ready)
368                                 ++num_rings;
369                 }
370                 ib_start_alignment = 64;
371                 ib_size_alignment = 64;
372                 break;
373         case AMDGPU_HW_IP_VCE:
374                 type = AMD_IP_BLOCK_TYPE_VCE;
375                 for (i = 0; i < adev->vce.num_rings; i++)
376                         if (adev->vce.ring[i].sched.ready)
377                                 ++num_rings;
378                 ib_start_alignment = 4;
379                 ib_size_alignment = 1;
380                 break;
381         case AMDGPU_HW_IP_UVD_ENC:
382                 type = AMD_IP_BLOCK_TYPE_UVD;
383                 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
384                         if (adev->uvd.harvest_config & (1 << i))
385                                 continue;
386
387                         for (j = 0; j < adev->uvd.num_enc_rings; j++)
388                                 if (adev->uvd.inst[i].ring_enc[j].sched.ready)
389                                         ++num_rings;
390                 }
391                 ib_start_alignment = 64;
392                 ib_size_alignment = 64;
393                 break;
394         case AMDGPU_HW_IP_VCN_DEC:
395                 type = AMD_IP_BLOCK_TYPE_VCN;
396                 if (adev->vcn.ring_dec.sched.ready)
397                         ++num_rings;
398                 ib_start_alignment = 16;
399                 ib_size_alignment = 16;
400                 break;
401         case AMDGPU_HW_IP_VCN_ENC:
402                 type = AMD_IP_BLOCK_TYPE_VCN;
403                 for (i = 0; i < adev->vcn.num_enc_rings; i++)
404                         if (adev->vcn.ring_enc[i].sched.ready)
405                                 ++num_rings;
406                 ib_start_alignment = 64;
407                 ib_size_alignment = 1;
408                 break;
409         case AMDGPU_HW_IP_VCN_JPEG:
410                 type = AMD_IP_BLOCK_TYPE_VCN;
411                 if (adev->vcn.ring_jpeg.sched.ready)
412                         ++num_rings;
413                 ib_start_alignment = 16;
414                 ib_size_alignment = 16;
415                 break;
416         default:
417                 return -EINVAL;
418         }
419
420         for (i = 0; i < adev->num_ip_blocks; i++)
421                 if (adev->ip_blocks[i].version->type == type &&
422                     adev->ip_blocks[i].status.valid)
423                         break;
424
425         if (i == adev->num_ip_blocks)
426                 return 0;
427
428         num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
429                         num_rings);
430
431         result->hw_ip_version_major = adev->ip_blocks[i].version->major;
432         result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
433         result->capabilities_flags = 0;
434         result->available_rings = (1 << num_rings) - 1;
435         result->ib_start_alignment = ib_start_alignment;
436         result->ib_size_alignment = ib_size_alignment;
437         return 0;
438 }
439
440 /*
441  * Userspace get information ioctl
442  */
443 /**
444  * amdgpu_info_ioctl - answer a device specific request.
445  *
446  * @adev: amdgpu device pointer
447  * @data: request object
448  * @filp: drm filp
449  *
450  * This function is used to pass device specific parameters to the userspace
451  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
452  * etc. (all asics).
453  * Returns 0 on success, -EINVAL on failure.
454  */
455 static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
456 {
457         struct amdgpu_device *adev = dev->dev_private;
458         struct drm_amdgpu_info *info = data;
459         struct amdgpu_mode_info *minfo = &adev->mode_info;
460         void __user *out = (void __user *)(uintptr_t)info->return_pointer;
461         uint32_t size = info->return_size;
462         struct drm_crtc *crtc;
463         uint32_t ui32 = 0;
464         uint64_t ui64 = 0;
465         int i, found;
466         int ui32_size = sizeof(ui32);
467
468         if (!info->return_size || !info->return_pointer)
469                 return -EINVAL;
470
471         switch (info->query) {
472         case AMDGPU_INFO_ACCEL_WORKING:
473                 ui32 = adev->accel_working;
474                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
475         case AMDGPU_INFO_CRTC_FROM_ID:
476                 for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
477                         crtc = (struct drm_crtc *)minfo->crtcs[i];
478                         if (crtc && crtc->base.id == info->mode_crtc.id) {
479                                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
480                                 ui32 = amdgpu_crtc->crtc_id;
481                                 found = 1;
482                                 break;
483                         }
484                 }
485                 if (!found) {
486                         DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
487                         return -EINVAL;
488                 }
489                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
490         case AMDGPU_INFO_HW_IP_INFO: {
491                 struct drm_amdgpu_info_hw_ip ip = {};
492                 int ret;
493
494                 ret = amdgpu_hw_ip_info(adev, info, &ip);
495                 if (ret)
496                         return ret;
497
498                 ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
499                 return ret ? -EFAULT : 0;
500         }
501         case AMDGPU_INFO_HW_IP_COUNT: {
502                 enum amd_ip_block_type type;
503                 uint32_t count = 0;
504
505                 switch (info->query_hw_ip.type) {
506                 case AMDGPU_HW_IP_GFX:
507                         type = AMD_IP_BLOCK_TYPE_GFX;
508                         break;
509                 case AMDGPU_HW_IP_COMPUTE:
510                         type = AMD_IP_BLOCK_TYPE_GFX;
511                         break;
512                 case AMDGPU_HW_IP_DMA:
513                         type = AMD_IP_BLOCK_TYPE_SDMA;
514                         break;
515                 case AMDGPU_HW_IP_UVD:
516                         type = AMD_IP_BLOCK_TYPE_UVD;
517                         break;
518                 case AMDGPU_HW_IP_VCE:
519                         type = AMD_IP_BLOCK_TYPE_VCE;
520                         break;
521                 case AMDGPU_HW_IP_UVD_ENC:
522                         type = AMD_IP_BLOCK_TYPE_UVD;
523                         break;
524                 case AMDGPU_HW_IP_VCN_DEC:
525                 case AMDGPU_HW_IP_VCN_ENC:
526                 case AMDGPU_HW_IP_VCN_JPEG:
527                         type = AMD_IP_BLOCK_TYPE_VCN;
528                         break;
529                 default:
530                         return -EINVAL;
531                 }
532
533                 for (i = 0; i < adev->num_ip_blocks; i++)
534                         if (adev->ip_blocks[i].version->type == type &&
535                             adev->ip_blocks[i].status.valid &&
536                             count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
537                                 count++;
538
539                 return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
540         }
541         case AMDGPU_INFO_TIMESTAMP:
542                 ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
543                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
544         case AMDGPU_INFO_FW_VERSION: {
545                 struct drm_amdgpu_info_firmware fw_info;
546                 int ret;
547
548                 /* We only support one instance of each IP block right now. */
549                 if (info->query_fw.ip_instance != 0)
550                         return -EINVAL;
551
552                 ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
553                 if (ret)
554                         return ret;
555
556                 return copy_to_user(out, &fw_info,
557                                     min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
558         }
559         case AMDGPU_INFO_NUM_BYTES_MOVED:
560                 ui64 = atomic64_read(&adev->num_bytes_moved);
561                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
562         case AMDGPU_INFO_NUM_EVICTIONS:
563                 ui64 = atomic64_read(&adev->num_evictions);
564                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
565         case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
566                 ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
567                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
568         case AMDGPU_INFO_VRAM_USAGE:
569                 ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
570                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
571         case AMDGPU_INFO_VIS_VRAM_USAGE:
572                 ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
573                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
574         case AMDGPU_INFO_GTT_USAGE:
575                 ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
576                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
577         case AMDGPU_INFO_GDS_CONFIG: {
578                 struct drm_amdgpu_info_gds gds_info;
579
580                 memset(&gds_info, 0, sizeof(gds_info));
581                 gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size;
582                 gds_info.compute_partition_size = adev->gds.mem.cs_partition_size;
583                 gds_info.gds_total_size = adev->gds.mem.total_size;
584                 gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size;
585                 gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size;
586                 gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size;
587                 gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size;
588                 return copy_to_user(out, &gds_info,
589                                     min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
590         }
591         case AMDGPU_INFO_VRAM_GTT: {
592                 struct drm_amdgpu_info_vram_gtt vram_gtt;
593
594                 vram_gtt.vram_size = adev->gmc.real_vram_size -
595                         atomic64_read(&adev->vram_pin_size);
596                 vram_gtt.vram_cpu_accessible_size = adev->gmc.visible_vram_size -
597                         atomic64_read(&adev->visible_pin_size);
598                 vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size;
599                 vram_gtt.gtt_size *= PAGE_SIZE;
600                 vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
601                 return copy_to_user(out, &vram_gtt,
602                                     min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
603         }
604         case AMDGPU_INFO_MEMORY: {
605                 struct drm_amdgpu_memory_info mem;
606
607                 memset(&mem, 0, sizeof(mem));
608                 mem.vram.total_heap_size = adev->gmc.real_vram_size;
609                 mem.vram.usable_heap_size = adev->gmc.real_vram_size -
610                         atomic64_read(&adev->vram_pin_size);
611                 mem.vram.heap_usage =
612                         amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
613                 mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
614
615                 mem.cpu_accessible_vram.total_heap_size =
616                         adev->gmc.visible_vram_size;
617                 mem.cpu_accessible_vram.usable_heap_size = adev->gmc.visible_vram_size -
618                         atomic64_read(&adev->visible_pin_size);
619                 mem.cpu_accessible_vram.heap_usage =
620                         amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
621                 mem.cpu_accessible_vram.max_allocation =
622                         mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
623
624                 mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size;
625                 mem.gtt.total_heap_size *= PAGE_SIZE;
626                 mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
627                         atomic64_read(&adev->gart_pin_size);
628                 mem.gtt.heap_usage =
629                         amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
630                 mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
631
632                 return copy_to_user(out, &mem,
633                                     min((size_t)size, sizeof(mem)))
634                                     ? -EFAULT : 0;
635         }
636         case AMDGPU_INFO_READ_MMR_REG: {
637                 unsigned n, alloc_size;
638                 uint32_t *regs;
639                 unsigned se_num = (info->read_mmr_reg.instance >>
640                                    AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
641                                   AMDGPU_INFO_MMR_SE_INDEX_MASK;
642                 unsigned sh_num = (info->read_mmr_reg.instance >>
643                                    AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
644                                   AMDGPU_INFO_MMR_SH_INDEX_MASK;
645
646                 /* set full masks if the userspace set all bits
647                  * in the bitfields */
648                 if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
649                         se_num = 0xffffffff;
650                 if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
651                         sh_num = 0xffffffff;
652
653                 regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
654                 if (!regs)
655                         return -ENOMEM;
656                 alloc_size = info->read_mmr_reg.count * sizeof(*regs);
657
658                 for (i = 0; i < info->read_mmr_reg.count; i++)
659                         if (amdgpu_asic_read_register(adev, se_num, sh_num,
660                                                       info->read_mmr_reg.dword_offset + i,
661                                                       &regs[i])) {
662                                 DRM_DEBUG_KMS("unallowed offset %#x\n",
663                                               info->read_mmr_reg.dword_offset + i);
664                                 kfree(regs);
665                                 return -EFAULT;
666                         }
667                 n = copy_to_user(out, regs, min(size, alloc_size));
668                 kfree(regs);
669                 return n ? -EFAULT : 0;
670         }
671         case AMDGPU_INFO_DEV_INFO: {
672                 struct drm_amdgpu_info_device dev_info = {};
673                 uint64_t vm_size;
674
675                 dev_info.device_id = dev->pdev->device;
676                 dev_info.chip_rev = adev->rev_id;
677                 dev_info.external_rev = adev->external_rev_id;
678                 dev_info.pci_rev = dev->pdev->revision;
679                 dev_info.family = adev->family;
680                 dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
681                 dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
682                 /* return all clocks in KHz */
683                 dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
684                 if (adev->pm.dpm_enabled) {
685                         dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
686                         dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
687                 } else {
688                         dev_info.max_engine_clock = adev->clock.default_sclk * 10;
689                         dev_info.max_memory_clock = adev->clock.default_mclk * 10;
690                 }
691                 dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
692                 dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
693                         adev->gfx.config.max_shader_engines;
694                 dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
695                 dev_info._pad = 0;
696                 dev_info.ids_flags = 0;
697                 if (adev->flags & AMD_IS_APU)
698                         dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
699                 if (amdgpu_sriov_vf(adev))
700                         dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
701
702                 vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
703                 vm_size -= AMDGPU_VA_RESERVED_SIZE;
704
705                 /* Older VCE FW versions are buggy and can handle only 40bits */
706                 if (adev->vce.fw_version &&
707                     adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
708                         vm_size = min(vm_size, 1ULL << 40);
709
710                 dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
711                 dev_info.virtual_address_max =
712                         min(vm_size, AMDGPU_GMC_HOLE_START);
713
714                 if (vm_size > AMDGPU_GMC_HOLE_START) {
715                         dev_info.high_va_offset = AMDGPU_GMC_HOLE_END;
716                         dev_info.high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
717                 }
718                 dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
719                 dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
720                 dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
721                 dev_info.cu_active_number = adev->gfx.cu_info.number;
722                 dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
723                 dev_info.ce_ram_size = adev->gfx.ce_ram_size;
724                 memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
725                        sizeof(adev->gfx.cu_info.ao_cu_bitmap));
726                 memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
727                        sizeof(adev->gfx.cu_info.bitmap));
728                 dev_info.vram_type = adev->gmc.vram_type;
729                 dev_info.vram_bit_width = adev->gmc.vram_width;
730                 dev_info.vce_harvest_config = adev->vce.harvest_config;
731                 dev_info.gc_double_offchip_lds_buf =
732                         adev->gfx.config.double_offchip_lds_buf;
733
734                 if (amdgpu_ngg) {
735                         dev_info.prim_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PRIM].gpu_addr;
736                         dev_info.prim_buf_size = adev->gfx.ngg.buf[NGG_PRIM].size;
737                         dev_info.pos_buf_gpu_addr = adev->gfx.ngg.buf[NGG_POS].gpu_addr;
738                         dev_info.pos_buf_size = adev->gfx.ngg.buf[NGG_POS].size;
739                         dev_info.cntl_sb_buf_gpu_addr = adev->gfx.ngg.buf[NGG_CNTL].gpu_addr;
740                         dev_info.cntl_sb_buf_size = adev->gfx.ngg.buf[NGG_CNTL].size;
741                         dev_info.param_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PARAM].gpu_addr;
742                         dev_info.param_buf_size = adev->gfx.ngg.buf[NGG_PARAM].size;
743                 }
744                 dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
745                 dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
746                 dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
747                 dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
748                 dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
749                 dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
750                 dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
751
752                 return copy_to_user(out, &dev_info,
753                                     min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
754         }
755         case AMDGPU_INFO_VCE_CLOCK_TABLE: {
756                 unsigned i;
757                 struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
758                 struct amd_vce_state *vce_state;
759
760                 for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
761                         vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
762                         if (vce_state) {
763                                 vce_clk_table.entries[i].sclk = vce_state->sclk;
764                                 vce_clk_table.entries[i].mclk = vce_state->mclk;
765                                 vce_clk_table.entries[i].eclk = vce_state->evclk;
766                                 vce_clk_table.num_valid_entries++;
767                         }
768                 }
769
770                 return copy_to_user(out, &vce_clk_table,
771                                     min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
772         }
773         case AMDGPU_INFO_VBIOS: {
774                 uint32_t bios_size = adev->bios_size;
775
776                 switch (info->vbios_info.type) {
777                 case AMDGPU_INFO_VBIOS_SIZE:
778                         return copy_to_user(out, &bios_size,
779                                         min((size_t)size, sizeof(bios_size)))
780                                         ? -EFAULT : 0;
781                 case AMDGPU_INFO_VBIOS_IMAGE: {
782                         uint8_t *bios;
783                         uint32_t bios_offset = info->vbios_info.offset;
784
785                         if (bios_offset >= bios_size)
786                                 return -EINVAL;
787
788                         bios = adev->bios + bios_offset;
789                         return copy_to_user(out, bios,
790                                             min((size_t)size, (size_t)(bios_size - bios_offset)))
791                                         ? -EFAULT : 0;
792                 }
793                 default:
794                         DRM_DEBUG_KMS("Invalid request %d\n",
795                                         info->vbios_info.type);
796                         return -EINVAL;
797                 }
798         }
799         case AMDGPU_INFO_NUM_HANDLES: {
800                 struct drm_amdgpu_info_num_handles handle;
801
802                 switch (info->query_hw_ip.type) {
803                 case AMDGPU_HW_IP_UVD:
804                         /* Starting Polaris, we support unlimited UVD handles */
805                         if (adev->asic_type < CHIP_POLARIS10) {
806                                 handle.uvd_max_handles = adev->uvd.max_handles;
807                                 handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
808
809                                 return copy_to_user(out, &handle,
810                                         min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
811                         } else {
812                                 return -ENODATA;
813                         }
814
815                         break;
816                 default:
817                         return -EINVAL;
818                 }
819         }
820         case AMDGPU_INFO_SENSOR: {
821                 if (!adev->pm.dpm_enabled)
822                         return -ENOENT;
823
824                 switch (info->sensor_info.type) {
825                 case AMDGPU_INFO_SENSOR_GFX_SCLK:
826                         /* get sclk in Mhz */
827                         if (amdgpu_dpm_read_sensor(adev,
828                                                    AMDGPU_PP_SENSOR_GFX_SCLK,
829                                                    (void *)&ui32, &ui32_size)) {
830                                 return -EINVAL;
831                         }
832                         ui32 /= 100;
833                         break;
834                 case AMDGPU_INFO_SENSOR_GFX_MCLK:
835                         /* get mclk in Mhz */
836                         if (amdgpu_dpm_read_sensor(adev,
837                                                    AMDGPU_PP_SENSOR_GFX_MCLK,
838                                                    (void *)&ui32, &ui32_size)) {
839                                 return -EINVAL;
840                         }
841                         ui32 /= 100;
842                         break;
843                 case AMDGPU_INFO_SENSOR_GPU_TEMP:
844                         /* get temperature in millidegrees C */
845                         if (amdgpu_dpm_read_sensor(adev,
846                                                    AMDGPU_PP_SENSOR_GPU_TEMP,
847                                                    (void *)&ui32, &ui32_size)) {
848                                 return -EINVAL;
849                         }
850                         break;
851                 case AMDGPU_INFO_SENSOR_GPU_LOAD:
852                         /* get GPU load */
853                         if (amdgpu_dpm_read_sensor(adev,
854                                                    AMDGPU_PP_SENSOR_GPU_LOAD,
855                                                    (void *)&ui32, &ui32_size)) {
856                                 return -EINVAL;
857                         }
858                         break;
859                 case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
860                         /* get average GPU power */
861                         if (amdgpu_dpm_read_sensor(adev,
862                                                    AMDGPU_PP_SENSOR_GPU_POWER,
863                                                    (void *)&ui32, &ui32_size)) {
864                                 return -EINVAL;
865                         }
866                         ui32 >>= 8;
867                         break;
868                 case AMDGPU_INFO_SENSOR_VDDNB:
869                         /* get VDDNB in millivolts */
870                         if (amdgpu_dpm_read_sensor(adev,
871                                                    AMDGPU_PP_SENSOR_VDDNB,
872                                                    (void *)&ui32, &ui32_size)) {
873                                 return -EINVAL;
874                         }
875                         break;
876                 case AMDGPU_INFO_SENSOR_VDDGFX:
877                         /* get VDDGFX in millivolts */
878                         if (amdgpu_dpm_read_sensor(adev,
879                                                    AMDGPU_PP_SENSOR_VDDGFX,
880                                                    (void *)&ui32, &ui32_size)) {
881                                 return -EINVAL;
882                         }
883                         break;
884                 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
885                         /* get stable pstate sclk in Mhz */
886                         if (amdgpu_dpm_read_sensor(adev,
887                                                    AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
888                                                    (void *)&ui32, &ui32_size)) {
889                                 return -EINVAL;
890                         }
891                         ui32 /= 100;
892                         break;
893                 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
894                         /* get stable pstate mclk in Mhz */
895                         if (amdgpu_dpm_read_sensor(adev,
896                                                    AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
897                                                    (void *)&ui32, &ui32_size)) {
898                                 return -EINVAL;
899                         }
900                         ui32 /= 100;
901                         break;
902                 default:
903                         DRM_DEBUG_KMS("Invalid request %d\n",
904                                       info->sensor_info.type);
905                         return -EINVAL;
906                 }
907                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
908         }
909         case AMDGPU_INFO_VRAM_LOST_COUNTER:
910                 ui32 = atomic_read(&adev->vram_lost_counter);
911                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
912         default:
913                 DRM_DEBUG_KMS("Invalid request %d\n", info->query);
914                 return -EINVAL;
915         }
916         return 0;
917 }
918
919
920 /*
921  * Outdated mess for old drm with Xorg being in charge (void function now).
922  */
923 /**
924  * amdgpu_driver_lastclose_kms - drm callback for last close
925  *
926  * @dev: drm dev pointer
927  *
928  * Switch vga_switcheroo state after last close (all asics).
929  */
930 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
931 {
932         drm_fb_helper_lastclose(dev);
933         vga_switcheroo_process_delayed_switch();
934 }
935
936 /**
937  * amdgpu_driver_open_kms - drm callback for open
938  *
939  * @dev: drm dev pointer
940  * @file_priv: drm file
941  *
942  * On device open, init vm on cayman+ (all asics).
943  * Returns 0 on success, error on failure.
944  */
945 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
946 {
947         struct amdgpu_device *adev = dev->dev_private;
948         struct amdgpu_fpriv *fpriv;
949         int r, pasid;
950
951         /* Ensure IB tests are run on ring */
952         flush_delayed_work(&adev->late_init_work);
953
954         file_priv->driver_priv = NULL;
955
956         r = pm_runtime_get_sync(dev->dev);
957         if (r < 0)
958                 return r;
959
960         fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
961         if (unlikely(!fpriv)) {
962                 r = -ENOMEM;
963                 goto out_suspend;
964         }
965
966         pasid = amdgpu_pasid_alloc(16);
967         if (pasid < 0) {
968                 dev_warn(adev->dev, "No more PASIDs available!");
969                 pasid = 0;
970         }
971         r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid);
972         if (r)
973                 goto error_pasid;
974
975         fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
976         if (!fpriv->prt_va) {
977                 r = -ENOMEM;
978                 goto error_vm;
979         }
980
981         if (amdgpu_sriov_vf(adev)) {
982                 uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
983
984                 r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
985                                                 &fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
986                 if (r)
987                         goto error_vm;
988         }
989
990         mutex_init(&fpriv->bo_list_lock);
991         idr_init(&fpriv->bo_list_handles);
992
993         amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
994
995         file_priv->driver_priv = fpriv;
996         goto out_suspend;
997
998 error_vm:
999         amdgpu_vm_fini(adev, &fpriv->vm);
1000
1001 error_pasid:
1002         if (pasid)
1003                 amdgpu_pasid_free(pasid);
1004
1005         kfree(fpriv);
1006
1007 out_suspend:
1008         pm_runtime_mark_last_busy(dev->dev);
1009         pm_runtime_put_autosuspend(dev->dev);
1010
1011         return r;
1012 }
1013
1014 /**
1015  * amdgpu_driver_postclose_kms - drm callback for post close
1016  *
1017  * @dev: drm dev pointer
1018  * @file_priv: drm file
1019  *
1020  * On device post close, tear down vm on cayman+ (all asics).
1021  */
1022 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1023                                  struct drm_file *file_priv)
1024 {
1025         struct amdgpu_device *adev = dev->dev_private;
1026         struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1027         struct amdgpu_bo_list *list;
1028         struct amdgpu_bo *pd;
1029         unsigned int pasid;
1030         int handle;
1031
1032         if (!fpriv)
1033                 return;
1034
1035         pm_runtime_get_sync(dev->dev);
1036
1037         if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1038                 amdgpu_uvd_free_handles(adev, file_priv);
1039         if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1040                 amdgpu_vce_free_handles(adev, file_priv);
1041
1042         amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1043
1044         if (amdgpu_sriov_vf(adev)) {
1045                 /* TODO: how to handle reserve failure */
1046                 BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1047                 amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1048                 fpriv->csa_va = NULL;
1049                 amdgpu_bo_unreserve(adev->virt.csa_obj);
1050         }
1051
1052         pasid = fpriv->vm.pasid;
1053         pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
1054
1055         amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1056         amdgpu_vm_fini(adev, &fpriv->vm);
1057
1058         if (pasid)
1059                 amdgpu_pasid_free_delayed(pd->tbo.resv, pasid);
1060         amdgpu_bo_unref(&pd);
1061
1062         idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1063                 amdgpu_bo_list_put(list);
1064
1065         idr_destroy(&fpriv->bo_list_handles);
1066         mutex_destroy(&fpriv->bo_list_lock);
1067
1068         kfree(fpriv);
1069         file_priv->driver_priv = NULL;
1070
1071         pm_runtime_mark_last_busy(dev->dev);
1072         pm_runtime_put_autosuspend(dev->dev);
1073 }
1074
1075 /*
1076  * VBlank related functions.
1077  */
1078 /**
1079  * amdgpu_get_vblank_counter_kms - get frame count
1080  *
1081  * @dev: drm dev pointer
1082  * @pipe: crtc to get the frame count from
1083  *
1084  * Gets the frame count on the requested crtc (all asics).
1085  * Returns frame count on success, -EINVAL on failure.
1086  */
1087 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
1088 {
1089         struct amdgpu_device *adev = dev->dev_private;
1090         int vpos, hpos, stat;
1091         u32 count;
1092
1093         if (pipe >= adev->mode_info.num_crtc) {
1094                 DRM_ERROR("Invalid crtc %u\n", pipe);
1095                 return -EINVAL;
1096         }
1097
1098         /* The hw increments its frame counter at start of vsync, not at start
1099          * of vblank, as is required by DRM core vblank counter handling.
1100          * Cook the hw count here to make it appear to the caller as if it
1101          * incremented at start of vblank. We measure distance to start of
1102          * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1103          * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1104          * result by 1 to give the proper appearance to caller.
1105          */
1106         if (adev->mode_info.crtcs[pipe]) {
1107                 /* Repeat readout if needed to provide stable result if
1108                  * we cross start of vsync during the queries.
1109                  */
1110                 do {
1111                         count = amdgpu_display_vblank_get_counter(adev, pipe);
1112                         /* Ask amdgpu_display_get_crtc_scanoutpos to return
1113                          * vpos as distance to start of vblank, instead of
1114                          * regular vertical scanout pos.
1115                          */
1116                         stat = amdgpu_display_get_crtc_scanoutpos(
1117                                 dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1118                                 &vpos, &hpos, NULL, NULL,
1119                                 &adev->mode_info.crtcs[pipe]->base.hwmode);
1120                 } while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1121
1122                 if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1123                     (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1124                         DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1125                 } else {
1126                         DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1127                                       pipe, vpos);
1128
1129                         /* Bump counter if we are at >= leading edge of vblank,
1130                          * but before vsync where vpos would turn negative and
1131                          * the hw counter really increments.
1132                          */
1133                         if (vpos >= 0)
1134                                 count++;
1135                 }
1136         } else {
1137                 /* Fallback to use value as is. */
1138                 count = amdgpu_display_vblank_get_counter(adev, pipe);
1139                 DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1140         }
1141
1142         return count;
1143 }
1144
1145 /**
1146  * amdgpu_enable_vblank_kms - enable vblank interrupt
1147  *
1148  * @dev: drm dev pointer
1149  * @pipe: crtc to enable vblank interrupt for
1150  *
1151  * Enable the interrupt on the requested crtc (all asics).
1152  * Returns 0 on success, -EINVAL on failure.
1153  */
1154 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1155 {
1156         struct amdgpu_device *adev = dev->dev_private;
1157         int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1158
1159         return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1160 }
1161
1162 /**
1163  * amdgpu_disable_vblank_kms - disable vblank interrupt
1164  *
1165  * @dev: drm dev pointer
1166  * @pipe: crtc to disable vblank interrupt for
1167  *
1168  * Disable the interrupt on the requested crtc (all asics).
1169  */
1170 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1171 {
1172         struct amdgpu_device *adev = dev->dev_private;
1173         int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1174
1175         amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1176 }
1177
1178 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
1179         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1180         DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1181         DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1182         DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER),
1183         DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1184         DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1185         /* KMS */
1186         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1187         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1188         DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1189         DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1190         DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1191         DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1192         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1193         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1194         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1195         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW)
1196 };
1197 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1198
1199 /*
1200  * Debugfs info
1201  */
1202 #if defined(CONFIG_DEBUG_FS)
1203
1204 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
1205 {
1206         struct drm_info_node *node = (struct drm_info_node *) m->private;
1207         struct drm_device *dev = node->minor->dev;
1208         struct amdgpu_device *adev = dev->dev_private;
1209         struct drm_amdgpu_info_firmware fw_info;
1210         struct drm_amdgpu_query_fw query_fw;
1211         struct atom_context *ctx = adev->mode_info.atom_context;
1212         int ret, i;
1213
1214         /* VCE */
1215         query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1216         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1217         if (ret)
1218                 return ret;
1219         seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1220                    fw_info.feature, fw_info.ver);
1221
1222         /* UVD */
1223         query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1224         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1225         if (ret)
1226                 return ret;
1227         seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1228                    fw_info.feature, fw_info.ver);
1229
1230         /* GMC */
1231         query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1232         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1233         if (ret)
1234                 return ret;
1235         seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1236                    fw_info.feature, fw_info.ver);
1237
1238         /* ME */
1239         query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1240         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1241         if (ret)
1242                 return ret;
1243         seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1244                    fw_info.feature, fw_info.ver);
1245
1246         /* PFP */
1247         query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1248         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1249         if (ret)
1250                 return ret;
1251         seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1252                    fw_info.feature, fw_info.ver);
1253
1254         /* CE */
1255         query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1256         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1257         if (ret)
1258                 return ret;
1259         seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1260                    fw_info.feature, fw_info.ver);
1261
1262         /* RLC */
1263         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1264         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1265         if (ret)
1266                 return ret;
1267         seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1268                    fw_info.feature, fw_info.ver);
1269
1270         /* RLC SAVE RESTORE LIST CNTL */
1271         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1272         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1273         if (ret)
1274                 return ret;
1275         seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1276                    fw_info.feature, fw_info.ver);
1277
1278         /* RLC SAVE RESTORE LIST GPM MEM */
1279         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1280         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1281         if (ret)
1282                 return ret;
1283         seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1284                    fw_info.feature, fw_info.ver);
1285
1286         /* RLC SAVE RESTORE LIST SRM MEM */
1287         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1288         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1289         if (ret)
1290                 return ret;
1291         seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1292                    fw_info.feature, fw_info.ver);
1293
1294         /* MEC */
1295         query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1296         query_fw.index = 0;
1297         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1298         if (ret)
1299                 return ret;
1300         seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1301                    fw_info.feature, fw_info.ver);
1302
1303         /* MEC2 */
1304         if (adev->asic_type == CHIP_KAVERI ||
1305             (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
1306                 query_fw.index = 1;
1307                 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1308                 if (ret)
1309                         return ret;
1310                 seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1311                            fw_info.feature, fw_info.ver);
1312         }
1313
1314         /* PSP SOS */
1315         query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1316         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1317         if (ret)
1318                 return ret;
1319         seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1320                    fw_info.feature, fw_info.ver);
1321
1322
1323         /* PSP ASD */
1324         query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1325         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1326         if (ret)
1327                 return ret;
1328         seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1329                    fw_info.feature, fw_info.ver);
1330
1331         /* SMC */
1332         query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1333         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1334         if (ret)
1335                 return ret;
1336         seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1337                    fw_info.feature, fw_info.ver);
1338
1339         /* SDMA */
1340         query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1341         for (i = 0; i < adev->sdma.num_instances; i++) {
1342                 query_fw.index = i;
1343                 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1344                 if (ret)
1345                         return ret;
1346                 seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1347                            i, fw_info.feature, fw_info.ver);
1348         }
1349
1350         /* VCN */
1351         query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1352         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1353         if (ret)
1354                 return ret;
1355         seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1356                    fw_info.feature, fw_info.ver);
1357
1358         /* DMCU */
1359         query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1360         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1361         if (ret)
1362                 return ret;
1363         seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1364                    fw_info.feature, fw_info.ver);
1365
1366
1367         seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1368
1369         return 0;
1370 }
1371
1372 static const struct drm_info_list amdgpu_firmware_info_list[] = {
1373         {"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1374 };
1375 #endif
1376
1377 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1378 {
1379 #if defined(CONFIG_DEBUG_FS)
1380         return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1381                                         ARRAY_SIZE(amdgpu_firmware_info_list));
1382 #else
1383         return 0;
1384 #endif
1385 }