amdgpu_kms.c revision 1.1.1.2 1 /* $NetBSD: amdgpu_kms.c,v 1.1.1.2 2021/12/18 20:11:09 riastradh Exp $ */
2
3 /*
4 * Copyright 2008 Advanced Micro Devices, Inc.
5 * Copyright 2008 Red Hat Inc.
6 * Copyright 2009 Jerome Glisse.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * Authors: Dave Airlie
27 * Alex Deucher
28 * Jerome Glisse
29 */
30
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: amdgpu_kms.c,v 1.1.1.2 2021/12/18 20:11:09 riastradh Exp $");
33
34 #include "amdgpu.h"
35 #include <drm/drm_debugfs.h>
36 #include <drm/amdgpu_drm.h>
37 #include "amdgpu_sched.h"
38 #include "amdgpu_uvd.h"
39 #include "amdgpu_vce.h"
40 #include "atom.h"
41
42 #include <linux/vga_switcheroo.h>
43 #include <linux/slab.h>
44 #include <linux/uaccess.h>
45 #include <linux/pci.h>
46 #include <linux/pm_runtime.h>
47 #include "amdgpu_amdkfd.h"
48 #include "amdgpu_gem.h"
49 #include "amdgpu_display.h"
50 #include "amdgpu_ras.h"
51
52 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
53 {
54 struct amdgpu_gpu_instance *gpu_instance;
55 int i;
56
57 mutex_lock(&mgpu_info.mutex);
58
59 for (i = 0; i < mgpu_info.num_gpu; i++) {
60 gpu_instance = &(mgpu_info.gpu_ins[i]);
61 if (gpu_instance->adev == adev) {
62 mgpu_info.gpu_ins[i] =
63 mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
64 mgpu_info.num_gpu--;
65 if (adev->flags & AMD_IS_APU)
66 mgpu_info.num_apu--;
67 else
68 mgpu_info.num_dgpu--;
69 break;
70 }
71 }
72
73 mutex_unlock(&mgpu_info.mutex);
74 }
75
76 /**
77 * amdgpu_driver_unload_kms - Main unload function for KMS.
78 *
79 * @dev: drm dev pointer
80 *
81 * This is the main unload function for KMS (all asics).
82 * Returns 0 on success.
83 */
84 void amdgpu_driver_unload_kms(struct drm_device *dev)
85 {
86 struct amdgpu_device *adev = dev->dev_private;
87
88 if (adev == NULL)
89 return;
90
91 amdgpu_unregister_gpu_instance(adev);
92
93 if (adev->rmmio == NULL)
94 goto done_free;
95
96 if (amdgpu_sriov_vf(adev))
97 amdgpu_virt_request_full_gpu(adev, false);
98
99 if (adev->runpm) {
100 pm_runtime_get_sync(dev->dev);
101 pm_runtime_forbid(dev->dev);
102 }
103
104 amdgpu_acpi_fini(adev);
105
106 amdgpu_device_fini(adev);
107
108 done_free:
109 kfree(adev);
110 dev->dev_private = NULL;
111 }
112
113 void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
114 {
115 struct amdgpu_gpu_instance *gpu_instance;
116
117 mutex_lock(&mgpu_info.mutex);
118
119 if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
120 DRM_ERROR("Cannot register more gpu instance\n");
121 mutex_unlock(&mgpu_info.mutex);
122 return;
123 }
124
125 gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
126 gpu_instance->adev = adev;
127 gpu_instance->mgpu_fan_enabled = 0;
128
129 mgpu_info.num_gpu++;
130 if (adev->flags & AMD_IS_APU)
131 mgpu_info.num_apu++;
132 else
133 mgpu_info.num_dgpu++;
134
135 mutex_unlock(&mgpu_info.mutex);
136 }
137
138 /**
139 * amdgpu_driver_load_kms - Main load function for KMS.
140 *
141 * @dev: drm dev pointer
142 * @flags: device flags
143 *
144 * This is the main load function for KMS (all asics).
145 * Returns 0 on success, error on failure.
146 */
147 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
148 {
149 struct amdgpu_device *adev;
150 int r, acpi_status;
151
152 adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
153 if (adev == NULL) {
154 return -ENOMEM;
155 }
156 dev->dev_private = (void *)adev;
157
158 if (amdgpu_has_atpx() &&
159 (amdgpu_is_atpx_hybrid() ||
160 amdgpu_has_atpx_dgpu_power_cntl()) &&
161 ((flags & AMD_IS_APU) == 0) &&
162 !pci_is_thunderbolt_attached(dev->pdev))
163 flags |= AMD_IS_PX;
164
165 /* amdgpu_device_init should report only fatal error
166 * like memory allocation failure or iomapping failure,
167 * or memory manager initialization failure, it must
168 * properly initialize the GPU MC controller and permit
169 * VRAM allocation
170 */
171 r = amdgpu_device_init(adev, dev, dev->pdev, flags);
172 if (r) {
173 dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
174 goto out;
175 }
176
177 if (amdgpu_device_supports_boco(dev) &&
178 (amdgpu_runtime_pm != 0)) /* enable runpm by default */
179 adev->runpm = true;
180 else if (amdgpu_device_supports_baco(dev) &&
181 (amdgpu_runtime_pm > 0)) /* enable runpm if runpm=1 */
182 adev->runpm = true;
183
184 /* Call ACPI methods: require modeset init
185 * but failure is not fatal
186 */
187 if (!r) {
188 acpi_status = amdgpu_acpi_init(adev);
189 if (acpi_status)
190 dev_dbg(&dev->pdev->dev,
191 "Error during ACPI methods call\n");
192 }
193
194 if (adev->runpm) {
195 dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NEVER_SKIP);
196 pm_runtime_use_autosuspend(dev->dev);
197 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
198 pm_runtime_set_active(dev->dev);
199 pm_runtime_allow(dev->dev);
200 pm_runtime_mark_last_busy(dev->dev);
201 pm_runtime_put_autosuspend(dev->dev);
202 }
203
204 out:
205 if (r) {
206 /* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
207 if (adev->rmmio && adev->runpm)
208 pm_runtime_put_noidle(dev->dev);
209 amdgpu_driver_unload_kms(dev);
210 }
211
212 return r;
213 }
214
215 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
216 struct drm_amdgpu_query_fw *query_fw,
217 struct amdgpu_device *adev)
218 {
219 switch (query_fw->fw_type) {
220 case AMDGPU_INFO_FW_VCE:
221 fw_info->ver = adev->vce.fw_version;
222 fw_info->feature = adev->vce.fb_version;
223 break;
224 case AMDGPU_INFO_FW_UVD:
225 fw_info->ver = adev->uvd.fw_version;
226 fw_info->feature = 0;
227 break;
228 case AMDGPU_INFO_FW_VCN:
229 fw_info->ver = adev->vcn.fw_version;
230 fw_info->feature = 0;
231 break;
232 case AMDGPU_INFO_FW_GMC:
233 fw_info->ver = adev->gmc.fw_version;
234 fw_info->feature = 0;
235 break;
236 case AMDGPU_INFO_FW_GFX_ME:
237 fw_info->ver = adev->gfx.me_fw_version;
238 fw_info->feature = adev->gfx.me_feature_version;
239 break;
240 case AMDGPU_INFO_FW_GFX_PFP:
241 fw_info->ver = adev->gfx.pfp_fw_version;
242 fw_info->feature = adev->gfx.pfp_feature_version;
243 break;
244 case AMDGPU_INFO_FW_GFX_CE:
245 fw_info->ver = adev->gfx.ce_fw_version;
246 fw_info->feature = adev->gfx.ce_feature_version;
247 break;
248 case AMDGPU_INFO_FW_GFX_RLC:
249 fw_info->ver = adev->gfx.rlc_fw_version;
250 fw_info->feature = adev->gfx.rlc_feature_version;
251 break;
252 case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
253 fw_info->ver = adev->gfx.rlc_srlc_fw_version;
254 fw_info->feature = adev->gfx.rlc_srlc_feature_version;
255 break;
256 case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
257 fw_info->ver = adev->gfx.rlc_srlg_fw_version;
258 fw_info->feature = adev->gfx.rlc_srlg_feature_version;
259 break;
260 case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
261 fw_info->ver = adev->gfx.rlc_srls_fw_version;
262 fw_info->feature = adev->gfx.rlc_srls_feature_version;
263 break;
264 case AMDGPU_INFO_FW_GFX_MEC:
265 if (query_fw->index == 0) {
266 fw_info->ver = adev->gfx.mec_fw_version;
267 fw_info->feature = adev->gfx.mec_feature_version;
268 } else if (query_fw->index == 1) {
269 fw_info->ver = adev->gfx.mec2_fw_version;
270 fw_info->feature = adev->gfx.mec2_feature_version;
271 } else
272 return -EINVAL;
273 break;
274 case AMDGPU_INFO_FW_SMC:
275 fw_info->ver = adev->pm.fw_version;
276 fw_info->feature = 0;
277 break;
278 case AMDGPU_INFO_FW_TA:
279 if (query_fw->index > 1)
280 return -EINVAL;
281 if (query_fw->index == 0) {
282 fw_info->ver = adev->psp.ta_fw_version;
283 fw_info->feature = adev->psp.ta_xgmi_ucode_version;
284 } else {
285 fw_info->ver = adev->psp.ta_fw_version;
286 fw_info->feature = adev->psp.ta_ras_ucode_version;
287 }
288 break;
289 case AMDGPU_INFO_FW_SDMA:
290 if (query_fw->index >= adev->sdma.num_instances)
291 return -EINVAL;
292 fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
293 fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
294 break;
295 case AMDGPU_INFO_FW_SOS:
296 fw_info->ver = adev->psp.sos_fw_version;
297 fw_info->feature = adev->psp.sos_feature_version;
298 break;
299 case AMDGPU_INFO_FW_ASD:
300 fw_info->ver = adev->psp.asd_fw_version;
301 fw_info->feature = adev->psp.asd_feature_version;
302 break;
303 case AMDGPU_INFO_FW_DMCU:
304 fw_info->ver = adev->dm.dmcu_fw_version;
305 fw_info->feature = 0;
306 break;
307 case AMDGPU_INFO_FW_DMCUB:
308 fw_info->ver = adev->dm.dmcub_fw_version;
309 fw_info->feature = 0;
310 break;
311 default:
312 return -EINVAL;
313 }
314 return 0;
315 }
316
317 static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
318 struct drm_amdgpu_info *info,
319 struct drm_amdgpu_info_hw_ip *result)
320 {
321 uint32_t ib_start_alignment = 0;
322 uint32_t ib_size_alignment = 0;
323 enum amd_ip_block_type type;
324 unsigned int num_rings = 0;
325 unsigned int i, j;
326
327 if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
328 return -EINVAL;
329
330 switch (info->query_hw_ip.type) {
331 case AMDGPU_HW_IP_GFX:
332 type = AMD_IP_BLOCK_TYPE_GFX;
333 for (i = 0; i < adev->gfx.num_gfx_rings; i++)
334 if (adev->gfx.gfx_ring[i].sched.ready)
335 ++num_rings;
336 ib_start_alignment = 32;
337 ib_size_alignment = 32;
338 break;
339 case AMDGPU_HW_IP_COMPUTE:
340 type = AMD_IP_BLOCK_TYPE_GFX;
341 for (i = 0; i < adev->gfx.num_compute_rings; i++)
342 if (adev->gfx.compute_ring[i].sched.ready)
343 ++num_rings;
344 ib_start_alignment = 32;
345 ib_size_alignment = 32;
346 break;
347 case AMDGPU_HW_IP_DMA:
348 type = AMD_IP_BLOCK_TYPE_SDMA;
349 for (i = 0; i < adev->sdma.num_instances; i++)
350 if (adev->sdma.instance[i].ring.sched.ready)
351 ++num_rings;
352 ib_start_alignment = 256;
353 ib_size_alignment = 4;
354 break;
355 case AMDGPU_HW_IP_UVD:
356 type = AMD_IP_BLOCK_TYPE_UVD;
357 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
358 if (adev->uvd.harvest_config & (1 << i))
359 continue;
360
361 if (adev->uvd.inst[i].ring.sched.ready)
362 ++num_rings;
363 }
364 ib_start_alignment = 64;
365 ib_size_alignment = 64;
366 break;
367 case AMDGPU_HW_IP_VCE:
368 type = AMD_IP_BLOCK_TYPE_VCE;
369 for (i = 0; i < adev->vce.num_rings; i++)
370 if (adev->vce.ring[i].sched.ready)
371 ++num_rings;
372 ib_start_alignment = 4;
373 ib_size_alignment = 1;
374 break;
375 case AMDGPU_HW_IP_UVD_ENC:
376 type = AMD_IP_BLOCK_TYPE_UVD;
377 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
378 if (adev->uvd.harvest_config & (1 << i))
379 continue;
380
381 for (j = 0; j < adev->uvd.num_enc_rings; j++)
382 if (adev->uvd.inst[i].ring_enc[j].sched.ready)
383 ++num_rings;
384 }
385 ib_start_alignment = 64;
386 ib_size_alignment = 64;
387 break;
388 case AMDGPU_HW_IP_VCN_DEC:
389 type = AMD_IP_BLOCK_TYPE_VCN;
390 for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
391 if (adev->uvd.harvest_config & (1 << i))
392 continue;
393
394 if (adev->vcn.inst[i].ring_dec.sched.ready)
395 ++num_rings;
396 }
397 ib_start_alignment = 16;
398 ib_size_alignment = 16;
399 break;
400 case AMDGPU_HW_IP_VCN_ENC:
401 type = AMD_IP_BLOCK_TYPE_VCN;
402 for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
403 if (adev->uvd.harvest_config & (1 << i))
404 continue;
405
406 for (j = 0; j < adev->vcn.num_enc_rings; j++)
407 if (adev->vcn.inst[i].ring_enc[j].sched.ready)
408 ++num_rings;
409 }
410 ib_start_alignment = 64;
411 ib_size_alignment = 1;
412 break;
413 case AMDGPU_HW_IP_VCN_JPEG:
414 type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
415 AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
416
417 for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
418 if (adev->jpeg.harvest_config & (1 << i))
419 continue;
420
421 if (adev->jpeg.inst[i].ring_dec.sched.ready)
422 ++num_rings;
423 }
424 ib_start_alignment = 16;
425 ib_size_alignment = 16;
426 break;
427 default:
428 return -EINVAL;
429 }
430
431 for (i = 0; i < adev->num_ip_blocks; i++)
432 if (adev->ip_blocks[i].version->type == type &&
433 adev->ip_blocks[i].status.valid)
434 break;
435
436 if (i == adev->num_ip_blocks)
437 return 0;
438
439 num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
440 num_rings);
441
442 result->hw_ip_version_major = adev->ip_blocks[i].version->major;
443 result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
444 result->capabilities_flags = 0;
445 result->available_rings = (1 << num_rings) - 1;
446 result->ib_start_alignment = ib_start_alignment;
447 result->ib_size_alignment = ib_size_alignment;
448 return 0;
449 }
450
451 /*
452 * Userspace get information ioctl
453 */
454 /**
455 * amdgpu_info_ioctl - answer a device specific request.
456 *
457 * @adev: amdgpu device pointer
458 * @data: request object
459 * @filp: drm filp
460 *
461 * This function is used to pass device specific parameters to the userspace
462 * drivers. Examples include: pci device id, pipeline parms, tiling params,
463 * etc. (all asics).
464 * Returns 0 on success, -EINVAL on failure.
465 */
466 static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
467 {
468 struct amdgpu_device *adev = dev->dev_private;
469 struct drm_amdgpu_info *info = data;
470 struct amdgpu_mode_info *minfo = &adev->mode_info;
471 void __user *out = (void __user *)(uintptr_t)info->return_pointer;
472 uint32_t size = info->return_size;
473 struct drm_crtc *crtc;
474 uint32_t ui32 = 0;
475 uint64_t ui64 = 0;
476 int i, found;
477 int ui32_size = sizeof(ui32);
478
479 if (!info->return_size || !info->return_pointer)
480 return -EINVAL;
481
482 switch (info->query) {
483 case AMDGPU_INFO_ACCEL_WORKING:
484 ui32 = adev->accel_working;
485 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
486 case AMDGPU_INFO_CRTC_FROM_ID:
487 for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
488 crtc = (struct drm_crtc *)minfo->crtcs[i];
489 if (crtc && crtc->base.id == info->mode_crtc.id) {
490 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
491 ui32 = amdgpu_crtc->crtc_id;
492 found = 1;
493 break;
494 }
495 }
496 if (!found) {
497 DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
498 return -EINVAL;
499 }
500 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
501 case AMDGPU_INFO_HW_IP_INFO: {
502 struct drm_amdgpu_info_hw_ip ip = {};
503 int ret;
504
505 ret = amdgpu_hw_ip_info(adev, info, &ip);
506 if (ret)
507 return ret;
508
509 ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
510 return ret ? -EFAULT : 0;
511 }
512 case AMDGPU_INFO_HW_IP_COUNT: {
513 enum amd_ip_block_type type;
514 uint32_t count = 0;
515
516 switch (info->query_hw_ip.type) {
517 case AMDGPU_HW_IP_GFX:
518 type = AMD_IP_BLOCK_TYPE_GFX;
519 break;
520 case AMDGPU_HW_IP_COMPUTE:
521 type = AMD_IP_BLOCK_TYPE_GFX;
522 break;
523 case AMDGPU_HW_IP_DMA:
524 type = AMD_IP_BLOCK_TYPE_SDMA;
525 break;
526 case AMDGPU_HW_IP_UVD:
527 type = AMD_IP_BLOCK_TYPE_UVD;
528 break;
529 case AMDGPU_HW_IP_VCE:
530 type = AMD_IP_BLOCK_TYPE_VCE;
531 break;
532 case AMDGPU_HW_IP_UVD_ENC:
533 type = AMD_IP_BLOCK_TYPE_UVD;
534 break;
535 case AMDGPU_HW_IP_VCN_DEC:
536 case AMDGPU_HW_IP_VCN_ENC:
537 type = AMD_IP_BLOCK_TYPE_VCN;
538 break;
539 case AMDGPU_HW_IP_VCN_JPEG:
540 type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
541 AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
542 break;
543 default:
544 return -EINVAL;
545 }
546
547 for (i = 0; i < adev->num_ip_blocks; i++)
548 if (adev->ip_blocks[i].version->type == type &&
549 adev->ip_blocks[i].status.valid &&
550 count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
551 count++;
552
553 return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
554 }
555 case AMDGPU_INFO_TIMESTAMP:
556 ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
557 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
558 case AMDGPU_INFO_FW_VERSION: {
559 struct drm_amdgpu_info_firmware fw_info;
560 int ret;
561
562 /* We only support one instance of each IP block right now. */
563 if (info->query_fw.ip_instance != 0)
564 return -EINVAL;
565
566 ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
567 if (ret)
568 return ret;
569
570 return copy_to_user(out, &fw_info,
571 min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
572 }
573 case AMDGPU_INFO_NUM_BYTES_MOVED:
574 ui64 = atomic64_read(&adev->num_bytes_moved);
575 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
576 case AMDGPU_INFO_NUM_EVICTIONS:
577 ui64 = atomic64_read(&adev->num_evictions);
578 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
579 case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
580 ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
581 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
582 case AMDGPU_INFO_VRAM_USAGE:
583 ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
584 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
585 case AMDGPU_INFO_VIS_VRAM_USAGE:
586 ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
587 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
588 case AMDGPU_INFO_GTT_USAGE:
589 ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
590 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
591 case AMDGPU_INFO_GDS_CONFIG: {
592 struct drm_amdgpu_info_gds gds_info;
593
594 memset(&gds_info, 0, sizeof(gds_info));
595 gds_info.compute_partition_size = adev->gds.gds_size;
596 gds_info.gds_total_size = adev->gds.gds_size;
597 gds_info.gws_per_compute_partition = adev->gds.gws_size;
598 gds_info.oa_per_compute_partition = adev->gds.oa_size;
599 return copy_to_user(out, &gds_info,
600 min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
601 }
602 case AMDGPU_INFO_VRAM_GTT: {
603 struct drm_amdgpu_info_vram_gtt vram_gtt;
604
605 vram_gtt.vram_size = adev->gmc.real_vram_size -
606 atomic64_read(&adev->vram_pin_size) -
607 AMDGPU_VM_RESERVED_VRAM;
608 vram_gtt.vram_cpu_accessible_size =
609 min(adev->gmc.visible_vram_size -
610 atomic64_read(&adev->visible_pin_size),
611 vram_gtt.vram_size);
612 vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size;
613 vram_gtt.gtt_size *= PAGE_SIZE;
614 vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
615 return copy_to_user(out, &vram_gtt,
616 min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
617 }
618 case AMDGPU_INFO_MEMORY: {
619 struct drm_amdgpu_memory_info mem;
620
621 memset(&mem, 0, sizeof(mem));
622 mem.vram.total_heap_size = adev->gmc.real_vram_size;
623 mem.vram.usable_heap_size = adev->gmc.real_vram_size -
624 atomic64_read(&adev->vram_pin_size) -
625 AMDGPU_VM_RESERVED_VRAM;
626 mem.vram.heap_usage =
627 amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
628 mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
629
630 mem.cpu_accessible_vram.total_heap_size =
631 adev->gmc.visible_vram_size;
632 mem.cpu_accessible_vram.usable_heap_size =
633 min(adev->gmc.visible_vram_size -
634 atomic64_read(&adev->visible_pin_size),
635 mem.vram.usable_heap_size);
636 mem.cpu_accessible_vram.heap_usage =
637 amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
638 mem.cpu_accessible_vram.max_allocation =
639 mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
640
641 mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size;
642 mem.gtt.total_heap_size *= PAGE_SIZE;
643 mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
644 atomic64_read(&adev->gart_pin_size);
645 mem.gtt.heap_usage =
646 amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
647 mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
648
649 return copy_to_user(out, &mem,
650 min((size_t)size, sizeof(mem)))
651 ? -EFAULT : 0;
652 }
653 case AMDGPU_INFO_READ_MMR_REG: {
654 unsigned n, alloc_size;
655 uint32_t *regs;
656 unsigned se_num = (info->read_mmr_reg.instance >>
657 AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
658 AMDGPU_INFO_MMR_SE_INDEX_MASK;
659 unsigned sh_num = (info->read_mmr_reg.instance >>
660 AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
661 AMDGPU_INFO_MMR_SH_INDEX_MASK;
662
663 /* set full masks if the userspace set all bits
664 * in the bitfields */
665 if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
666 se_num = 0xffffffff;
667 if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
668 sh_num = 0xffffffff;
669
670 if (info->read_mmr_reg.count > 128)
671 return -EINVAL;
672
673 regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
674 if (!regs)
675 return -ENOMEM;
676 alloc_size = info->read_mmr_reg.count * sizeof(*regs);
677
678 amdgpu_gfx_off_ctrl(adev, false);
679 for (i = 0; i < info->read_mmr_reg.count; i++) {
680 if (amdgpu_asic_read_register(adev, se_num, sh_num,
681 info->read_mmr_reg.dword_offset + i,
682 ®s[i])) {
683 DRM_DEBUG_KMS("unallowed offset %#x\n",
684 info->read_mmr_reg.dword_offset + i);
685 kfree(regs);
686 amdgpu_gfx_off_ctrl(adev, true);
687 return -EFAULT;
688 }
689 }
690 amdgpu_gfx_off_ctrl(adev, true);
691 n = copy_to_user(out, regs, min(size, alloc_size));
692 kfree(regs);
693 return n ? -EFAULT : 0;
694 }
695 case AMDGPU_INFO_DEV_INFO: {
696 struct drm_amdgpu_info_device dev_info = {};
697 uint64_t vm_size;
698
699 dev_info.device_id = dev->pdev->device;
700 dev_info.chip_rev = adev->rev_id;
701 dev_info.external_rev = adev->external_rev_id;
702 dev_info.pci_rev = dev->pdev->revision;
703 dev_info.family = adev->family;
704 dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
705 dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
706 /* return all clocks in KHz */
707 dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
708 if (adev->pm.dpm_enabled) {
709 dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
710 dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
711 } else {
712 dev_info.max_engine_clock = adev->clock.default_sclk * 10;
713 dev_info.max_memory_clock = adev->clock.default_mclk * 10;
714 }
715 dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
716 dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
717 adev->gfx.config.max_shader_engines;
718 dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
719 dev_info._pad = 0;
720 dev_info.ids_flags = 0;
721 if (adev->flags & AMD_IS_APU)
722 dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
723 if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
724 dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
725
726 vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
727 vm_size -= AMDGPU_VA_RESERVED_SIZE;
728
729 /* Older VCE FW versions are buggy and can handle only 40bits */
730 if (adev->vce.fw_version &&
731 adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
732 vm_size = min(vm_size, 1ULL << 40);
733
734 dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
735 dev_info.virtual_address_max =
736 min(vm_size, AMDGPU_GMC_HOLE_START);
737
738 if (vm_size > AMDGPU_GMC_HOLE_START) {
739 dev_info.high_va_offset = AMDGPU_GMC_HOLE_END;
740 dev_info.high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
741 }
742 dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
743 dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
744 dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
745 dev_info.cu_active_number = adev->gfx.cu_info.number;
746 dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
747 dev_info.ce_ram_size = adev->gfx.ce_ram_size;
748 memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
749 sizeof(adev->gfx.cu_info.ao_cu_bitmap));
750 memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
751 sizeof(adev->gfx.cu_info.bitmap));
752 dev_info.vram_type = adev->gmc.vram_type;
753 dev_info.vram_bit_width = adev->gmc.vram_width;
754 dev_info.vce_harvest_config = adev->vce.harvest_config;
755 dev_info.gc_double_offchip_lds_buf =
756 adev->gfx.config.double_offchip_lds_buf;
757 dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
758 dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
759 dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
760 dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
761 dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
762 dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
763 dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
764
765 if (adev->family >= AMDGPU_FAMILY_NV)
766 dev_info.pa_sc_tile_steering_override =
767 adev->gfx.config.pa_sc_tile_steering_override;
768
769 dev_info.tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
770
771 return copy_to_user(out, &dev_info,
772 min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
773 }
774 case AMDGPU_INFO_VCE_CLOCK_TABLE: {
775 unsigned i;
776 struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
777 struct amd_vce_state *vce_state;
778
779 for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
780 vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
781 if (vce_state) {
782 vce_clk_table.entries[i].sclk = vce_state->sclk;
783 vce_clk_table.entries[i].mclk = vce_state->mclk;
784 vce_clk_table.entries[i].eclk = vce_state->evclk;
785 vce_clk_table.num_valid_entries++;
786 }
787 }
788
789 return copy_to_user(out, &vce_clk_table,
790 min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
791 }
792 case AMDGPU_INFO_VBIOS: {
793 uint32_t bios_size = adev->bios_size;
794
795 switch (info->vbios_info.type) {
796 case AMDGPU_INFO_VBIOS_SIZE:
797 return copy_to_user(out, &bios_size,
798 min((size_t)size, sizeof(bios_size)))
799 ? -EFAULT : 0;
800 case AMDGPU_INFO_VBIOS_IMAGE: {
801 uint8_t *bios;
802 uint32_t bios_offset = info->vbios_info.offset;
803
804 if (bios_offset >= bios_size)
805 return -EINVAL;
806
807 bios = adev->bios + bios_offset;
808 return copy_to_user(out, bios,
809 min((size_t)size, (size_t)(bios_size - bios_offset)))
810 ? -EFAULT : 0;
811 }
812 default:
813 DRM_DEBUG_KMS("Invalid request %d\n",
814 info->vbios_info.type);
815 return -EINVAL;
816 }
817 }
818 case AMDGPU_INFO_NUM_HANDLES: {
819 struct drm_amdgpu_info_num_handles handle;
820
821 switch (info->query_hw_ip.type) {
822 case AMDGPU_HW_IP_UVD:
823 /* Starting Polaris, we support unlimited UVD handles */
824 if (adev->asic_type < CHIP_POLARIS10) {
825 handle.uvd_max_handles = adev->uvd.max_handles;
826 handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
827
828 return copy_to_user(out, &handle,
829 min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
830 } else {
831 return -ENODATA;
832 }
833
834 break;
835 default:
836 return -EINVAL;
837 }
838 }
839 case AMDGPU_INFO_SENSOR: {
840 if (!adev->pm.dpm_enabled)
841 return -ENOENT;
842
843 switch (info->sensor_info.type) {
844 case AMDGPU_INFO_SENSOR_GFX_SCLK:
845 /* get sclk in Mhz */
846 if (amdgpu_dpm_read_sensor(adev,
847 AMDGPU_PP_SENSOR_GFX_SCLK,
848 (void *)&ui32, &ui32_size)) {
849 return -EINVAL;
850 }
851 ui32 /= 100;
852 break;
853 case AMDGPU_INFO_SENSOR_GFX_MCLK:
854 /* get mclk in Mhz */
855 if (amdgpu_dpm_read_sensor(adev,
856 AMDGPU_PP_SENSOR_GFX_MCLK,
857 (void *)&ui32, &ui32_size)) {
858 return -EINVAL;
859 }
860 ui32 /= 100;
861 break;
862 case AMDGPU_INFO_SENSOR_GPU_TEMP:
863 /* get temperature in millidegrees C */
864 if (amdgpu_dpm_read_sensor(adev,
865 AMDGPU_PP_SENSOR_GPU_TEMP,
866 (void *)&ui32, &ui32_size)) {
867 return -EINVAL;
868 }
869 break;
870 case AMDGPU_INFO_SENSOR_GPU_LOAD:
871 /* get GPU load */
872 if (amdgpu_dpm_read_sensor(adev,
873 AMDGPU_PP_SENSOR_GPU_LOAD,
874 (void *)&ui32, &ui32_size)) {
875 return -EINVAL;
876 }
877 break;
878 case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
879 /* get average GPU power */
880 if (amdgpu_dpm_read_sensor(adev,
881 AMDGPU_PP_SENSOR_GPU_POWER,
882 (void *)&ui32, &ui32_size)) {
883 return -EINVAL;
884 }
885 ui32 >>= 8;
886 break;
887 case AMDGPU_INFO_SENSOR_VDDNB:
888 /* get VDDNB in millivolts */
889 if (amdgpu_dpm_read_sensor(adev,
890 AMDGPU_PP_SENSOR_VDDNB,
891 (void *)&ui32, &ui32_size)) {
892 return -EINVAL;
893 }
894 break;
895 case AMDGPU_INFO_SENSOR_VDDGFX:
896 /* get VDDGFX in millivolts */
897 if (amdgpu_dpm_read_sensor(adev,
898 AMDGPU_PP_SENSOR_VDDGFX,
899 (void *)&ui32, &ui32_size)) {
900 return -EINVAL;
901 }
902 break;
903 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
904 /* get stable pstate sclk in Mhz */
905 if (amdgpu_dpm_read_sensor(adev,
906 AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
907 (void *)&ui32, &ui32_size)) {
908 return -EINVAL;
909 }
910 ui32 /= 100;
911 break;
912 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
913 /* get stable pstate mclk in Mhz */
914 if (amdgpu_dpm_read_sensor(adev,
915 AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
916 (void *)&ui32, &ui32_size)) {
917 return -EINVAL;
918 }
919 ui32 /= 100;
920 break;
921 default:
922 DRM_DEBUG_KMS("Invalid request %d\n",
923 info->sensor_info.type);
924 return -EINVAL;
925 }
926 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
927 }
928 case AMDGPU_INFO_VRAM_LOST_COUNTER:
929 ui32 = atomic_read(&adev->vram_lost_counter);
930 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
931 case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
932 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
933 uint64_t ras_mask;
934
935 if (!ras)
936 return -EINVAL;
937 ras_mask = (uint64_t)ras->supported << 32 | ras->features;
938
939 return copy_to_user(out, &ras_mask,
940 min_t(u64, size, sizeof(ras_mask))) ?
941 -EFAULT : 0;
942 }
943 default:
944 DRM_DEBUG_KMS("Invalid request %d\n", info->query);
945 return -EINVAL;
946 }
947 return 0;
948 }
949
950
951 /*
952 * Outdated mess for old drm with Xorg being in charge (void function now).
953 */
954 /**
955 * amdgpu_driver_lastclose_kms - drm callback for last close
956 *
957 * @dev: drm dev pointer
958 *
959 * Switch vga_switcheroo state after last close (all asics).
960 */
961 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
962 {
963 drm_fb_helper_lastclose(dev);
964 vga_switcheroo_process_delayed_switch();
965 }
966
967 /**
968 * amdgpu_driver_open_kms - drm callback for open
969 *
970 * @dev: drm dev pointer
971 * @file_priv: drm file
972 *
973 * On device open, init vm on cayman+ (all asics).
974 * Returns 0 on success, error on failure.
975 */
976 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
977 {
978 struct amdgpu_device *adev = dev->dev_private;
979 struct amdgpu_fpriv *fpriv;
980 int r, pasid;
981
982 /* Ensure IB tests are run on ring */
983 flush_delayed_work(&adev->delayed_init_work);
984
985
986 if (amdgpu_ras_intr_triggered()) {
987 DRM_ERROR("RAS Intr triggered, device disabled!!");
988 return -EHWPOISON;
989 }
990
991 file_priv->driver_priv = NULL;
992
993 r = pm_runtime_get_sync(dev->dev);
994 if (r < 0)
995 return r;
996
997 fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
998 if (unlikely(!fpriv)) {
999 r = -ENOMEM;
1000 goto out_suspend;
1001 }
1002
1003 pasid = amdgpu_pasid_alloc(16);
1004 if (pasid < 0) {
1005 dev_warn(adev->dev, "No more PASIDs available!");
1006 pasid = 0;
1007 }
1008 r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid);
1009 if (r)
1010 goto error_pasid;
1011
1012 fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1013 if (!fpriv->prt_va) {
1014 r = -ENOMEM;
1015 goto error_vm;
1016 }
1017
1018 if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1019 uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1020
1021 r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1022 &fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1023 if (r)
1024 goto error_vm;
1025 }
1026
1027 mutex_init(&fpriv->bo_list_lock);
1028 idr_init(&fpriv->bo_list_handles);
1029
1030 amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
1031
1032 file_priv->driver_priv = fpriv;
1033 goto out_suspend;
1034
1035 error_vm:
1036 amdgpu_vm_fini(adev, &fpriv->vm);
1037
1038 error_pasid:
1039 if (pasid)
1040 amdgpu_pasid_free(pasid);
1041
1042 kfree(fpriv);
1043
1044 out_suspend:
1045 pm_runtime_mark_last_busy(dev->dev);
1046 pm_runtime_put_autosuspend(dev->dev);
1047
1048 return r;
1049 }
1050
1051 /**
1052 * amdgpu_driver_postclose_kms - drm callback for post close
1053 *
1054 * @dev: drm dev pointer
1055 * @file_priv: drm file
1056 *
1057 * On device post close, tear down vm on cayman+ (all asics).
1058 */
1059 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1060 struct drm_file *file_priv)
1061 {
1062 struct amdgpu_device *adev = dev->dev_private;
1063 struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1064 struct amdgpu_bo_list *list;
1065 struct amdgpu_bo *pd;
1066 unsigned int pasid;
1067 int handle;
1068
1069 if (!fpriv)
1070 return;
1071
1072 pm_runtime_get_sync(dev->dev);
1073
1074 if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1075 amdgpu_uvd_free_handles(adev, file_priv);
1076 if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1077 amdgpu_vce_free_handles(adev, file_priv);
1078
1079 amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1080
1081 if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1082 /* TODO: how to handle reserve failure */
1083 BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1084 amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1085 fpriv->csa_va = NULL;
1086 amdgpu_bo_unreserve(adev->virt.csa_obj);
1087 }
1088
1089 pasid = fpriv->vm.pasid;
1090 pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
1091
1092 amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1093 amdgpu_vm_fini(adev, &fpriv->vm);
1094
1095 if (pasid)
1096 amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1097 amdgpu_bo_unref(&pd);
1098
1099 idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1100 amdgpu_bo_list_put(list);
1101
1102 idr_destroy(&fpriv->bo_list_handles);
1103 mutex_destroy(&fpriv->bo_list_lock);
1104
1105 kfree(fpriv);
1106 file_priv->driver_priv = NULL;
1107
1108 pm_runtime_mark_last_busy(dev->dev);
1109 pm_runtime_put_autosuspend(dev->dev);
1110 }
1111
1112 /*
1113 * VBlank related functions.
1114 */
1115 /**
1116 * amdgpu_get_vblank_counter_kms - get frame count
1117 *
1118 * @dev: drm dev pointer
1119 * @pipe: crtc to get the frame count from
1120 *
1121 * Gets the frame count on the requested crtc (all asics).
1122 * Returns frame count on success, -EINVAL on failure.
1123 */
1124 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
1125 {
1126 struct amdgpu_device *adev = dev->dev_private;
1127 int vpos, hpos, stat;
1128 u32 count;
1129
1130 if (pipe >= adev->mode_info.num_crtc) {
1131 DRM_ERROR("Invalid crtc %u\n", pipe);
1132 return -EINVAL;
1133 }
1134
1135 /* The hw increments its frame counter at start of vsync, not at start
1136 * of vblank, as is required by DRM core vblank counter handling.
1137 * Cook the hw count here to make it appear to the caller as if it
1138 * incremented at start of vblank. We measure distance to start of
1139 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1140 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1141 * result by 1 to give the proper appearance to caller.
1142 */
1143 if (adev->mode_info.crtcs[pipe]) {
1144 /* Repeat readout if needed to provide stable result if
1145 * we cross start of vsync during the queries.
1146 */
1147 do {
1148 count = amdgpu_display_vblank_get_counter(adev, pipe);
1149 /* Ask amdgpu_display_get_crtc_scanoutpos to return
1150 * vpos as distance to start of vblank, instead of
1151 * regular vertical scanout pos.
1152 */
1153 stat = amdgpu_display_get_crtc_scanoutpos(
1154 dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1155 &vpos, &hpos, NULL, NULL,
1156 &adev->mode_info.crtcs[pipe]->base.hwmode);
1157 } while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1158
1159 if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1160 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1161 DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1162 } else {
1163 DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1164 pipe, vpos);
1165
1166 /* Bump counter if we are at >= leading edge of vblank,
1167 * but before vsync where vpos would turn negative and
1168 * the hw counter really increments.
1169 */
1170 if (vpos >= 0)
1171 count++;
1172 }
1173 } else {
1174 /* Fallback to use value as is. */
1175 count = amdgpu_display_vblank_get_counter(adev, pipe);
1176 DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1177 }
1178
1179 return count;
1180 }
1181
1182 /**
1183 * amdgpu_enable_vblank_kms - enable vblank interrupt
1184 *
1185 * @dev: drm dev pointer
1186 * @pipe: crtc to enable vblank interrupt for
1187 *
1188 * Enable the interrupt on the requested crtc (all asics).
1189 * Returns 0 on success, -EINVAL on failure.
1190 */
1191 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1192 {
1193 struct amdgpu_device *adev = dev->dev_private;
1194 int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1195
1196 return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1197 }
1198
1199 /**
1200 * amdgpu_disable_vblank_kms - disable vblank interrupt
1201 *
1202 * @dev: drm dev pointer
1203 * @pipe: crtc to disable vblank interrupt for
1204 *
1205 * Disable the interrupt on the requested crtc (all asics).
1206 */
1207 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
1208 {
1209 struct amdgpu_device *adev = dev->dev_private;
1210 int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1211
1212 amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1213 }
1214
1215 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
1216 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1217 DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1218 DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1219 DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER),
1220 DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1221 DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1222 /* KMS */
1223 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1224 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1225 DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1226 DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1227 DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1228 DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1229 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1230 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1231 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1232 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW)
1233 };
1234 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1235
1236 /*
1237 * Debugfs info
1238 */
1239 #if defined(CONFIG_DEBUG_FS)
1240
1241 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
1242 {
1243 struct drm_info_node *node = (struct drm_info_node *) m->private;
1244 struct drm_device *dev = node->minor->dev;
1245 struct amdgpu_device *adev = dev->dev_private;
1246 struct drm_amdgpu_info_firmware fw_info;
1247 struct drm_amdgpu_query_fw query_fw;
1248 struct atom_context *ctx = adev->mode_info.atom_context;
1249 int ret, i;
1250
1251 /* VCE */
1252 query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1253 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1254 if (ret)
1255 return ret;
1256 seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1257 fw_info.feature, fw_info.ver);
1258
1259 /* UVD */
1260 query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1261 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1262 if (ret)
1263 return ret;
1264 seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1265 fw_info.feature, fw_info.ver);
1266
1267 /* GMC */
1268 query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1269 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1270 if (ret)
1271 return ret;
1272 seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1273 fw_info.feature, fw_info.ver);
1274
1275 /* ME */
1276 query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1277 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1278 if (ret)
1279 return ret;
1280 seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1281 fw_info.feature, fw_info.ver);
1282
1283 /* PFP */
1284 query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1285 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1286 if (ret)
1287 return ret;
1288 seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1289 fw_info.feature, fw_info.ver);
1290
1291 /* CE */
1292 query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1293 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1294 if (ret)
1295 return ret;
1296 seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1297 fw_info.feature, fw_info.ver);
1298
1299 /* RLC */
1300 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1301 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1302 if (ret)
1303 return ret;
1304 seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1305 fw_info.feature, fw_info.ver);
1306
1307 /* RLC SAVE RESTORE LIST CNTL */
1308 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1309 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1310 if (ret)
1311 return ret;
1312 seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1313 fw_info.feature, fw_info.ver);
1314
1315 /* RLC SAVE RESTORE LIST GPM MEM */
1316 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1317 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1318 if (ret)
1319 return ret;
1320 seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1321 fw_info.feature, fw_info.ver);
1322
1323 /* RLC SAVE RESTORE LIST SRM MEM */
1324 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1325 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1326 if (ret)
1327 return ret;
1328 seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1329 fw_info.feature, fw_info.ver);
1330
1331 /* MEC */
1332 query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1333 query_fw.index = 0;
1334 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1335 if (ret)
1336 return ret;
1337 seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1338 fw_info.feature, fw_info.ver);
1339
1340 /* MEC2 */
1341 if (adev->asic_type == CHIP_KAVERI ||
1342 (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
1343 query_fw.index = 1;
1344 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1345 if (ret)
1346 return ret;
1347 seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1348 fw_info.feature, fw_info.ver);
1349 }
1350
1351 /* PSP SOS */
1352 query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1353 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1354 if (ret)
1355 return ret;
1356 seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1357 fw_info.feature, fw_info.ver);
1358
1359
1360 /* PSP ASD */
1361 query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1362 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1363 if (ret)
1364 return ret;
1365 seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1366 fw_info.feature, fw_info.ver);
1367
1368 query_fw.fw_type = AMDGPU_INFO_FW_TA;
1369 for (i = 0; i < 2; i++) {
1370 query_fw.index = i;
1371 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1372 if (ret)
1373 continue;
1374 seq_printf(m, "TA %s feature version: %u, firmware version: 0x%08x\n",
1375 i ? "RAS" : "XGMI", fw_info.feature, fw_info.ver);
1376 }
1377
1378 /* SMC */
1379 query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1380 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1381 if (ret)
1382 return ret;
1383 seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1384 fw_info.feature, fw_info.ver);
1385
1386 /* SDMA */
1387 query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1388 for (i = 0; i < adev->sdma.num_instances; i++) {
1389 query_fw.index = i;
1390 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1391 if (ret)
1392 return ret;
1393 seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1394 i, fw_info.feature, fw_info.ver);
1395 }
1396
1397 /* VCN */
1398 query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1399 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1400 if (ret)
1401 return ret;
1402 seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1403 fw_info.feature, fw_info.ver);
1404
1405 /* DMCU */
1406 query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1407 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1408 if (ret)
1409 return ret;
1410 seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1411 fw_info.feature, fw_info.ver);
1412
1413 /* DMCUB */
1414 query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1415 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1416 if (ret)
1417 return ret;
1418 seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1419 fw_info.feature, fw_info.ver);
1420
1421
1422 seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1423
1424 return 0;
1425 }
1426
1427 static const struct drm_info_list amdgpu_firmware_info_list[] = {
1428 {"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1429 };
1430 #endif
1431
1432 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1433 {
1434 #if defined(CONFIG_DEBUG_FS)
1435 return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1436 ARRAY_SIZE(amdgpu_firmware_info_list));
1437 #else
1438 return 0;
1439 #endif
1440 }
1441