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1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28#include <drm/drmP.h>
29#include "amdgpu.h"
30#include <drm/amdgpu_drm.h>
31#include "amdgpu_uvd.h"
32#include "amdgpu_vce.h"
33
34#include <linux/vga_switcheroo.h>
35#include <linux/slab.h>
36#include <linux/pm_runtime.h>
37#include "amdgpu_amdkfd.h"
38
39#if defined(CONFIG_VGA_SWITCHEROO)
40bool amdgpu_has_atpx(void);
41#else
42static inline bool amdgpu_has_atpx(void) { return false; }
43#endif
44
45/**
46 * amdgpu_driver_unload_kms - Main unload function for KMS.
47 *
48 * @dev: drm dev pointer
49 *
50 * This is the main unload function for KMS (all asics).
51 * Returns 0 on success.
52 */
53int amdgpu_driver_unload_kms(struct drm_device *dev)
54{
55 struct amdgpu_device *adev = dev->dev_private;
56
57 if (adev == NULL)
58 return 0;
59
60 if (adev->rmmio == NULL)
61 goto done_free;
62
63 pm_runtime_get_sync(dev->dev);
64
65 amdgpu_amdkfd_device_fini(adev);
66
67 amdgpu_acpi_fini(adev);
68
69 amdgpu_device_fini(adev);
70
71done_free:
72 kfree(adev);
73 dev->dev_private = NULL;
74 return 0;
75}
76
77/**
78 * amdgpu_driver_load_kms - Main load function for KMS.
79 *
80 * @dev: drm dev pointer
81 * @flags: device flags
82 *
83 * This is the main load function for KMS (all asics).
84 * Returns 0 on success, error on failure.
85 */
86int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
87{
88 struct amdgpu_device *adev;
89 int r, acpi_status;
90
91 adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
92 if (adev == NULL) {
93 return -ENOMEM;
94 }
95 dev->dev_private = (void *)adev;
96
97 if ((amdgpu_runtime_pm != 0) &&
98 amdgpu_has_atpx() &&
99 ((flags & AMD_IS_APU) == 0))
100 flags |= AMD_IS_PX;
101
102 /* amdgpu_device_init should report only fatal error
103 * like memory allocation failure or iomapping failure,
104 * or memory manager initialization failure, it must
105 * properly initialize the GPU MC controller and permit
106 * VRAM allocation
107 */
108 r = amdgpu_device_init(adev, dev, dev->pdev, flags);
109 if (r) {
110 dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
111 goto out;
112 }
113
114 /* Call ACPI methods: require modeset init
115 * but failure is not fatal
116 */
117 if (!r) {
118 acpi_status = amdgpu_acpi_init(adev);
119 if (acpi_status)
120 dev_dbg(&dev->pdev->dev,
121 "Error during ACPI methods call\n");
122 }
123
124 amdgpu_amdkfd_load_interface(adev);
125 amdgpu_amdkfd_device_probe(adev);
126 amdgpu_amdkfd_device_init(adev);
127
128 if (amdgpu_device_is_px(dev)) {
129 pm_runtime_use_autosuspend(dev->dev);
130 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
131 pm_runtime_set_active(dev->dev);
132 pm_runtime_allow(dev->dev);
133 pm_runtime_mark_last_busy(dev->dev);
134 pm_runtime_put_autosuspend(dev->dev);
135 }
136
137out:
138 if (r)
139 amdgpu_driver_unload_kms(dev);
140
141
142 return r;
143}
144
145/*
146 * Userspace get information ioctl
147 */
148/**
149 * amdgpu_info_ioctl - answer a device specific request.
150 *
151 * @adev: amdgpu device pointer
152 * @data: request object
153 * @filp: drm filp
154 *
155 * This function is used to pass device specific parameters to the userspace
156 * drivers. Examples include: pci device id, pipeline parms, tiling params,
157 * etc. (all asics).
158 * Returns 0 on success, -EINVAL on failure.
159 */
160static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
161{
162 struct amdgpu_device *adev = dev->dev_private;
163 struct drm_amdgpu_info *info = data;
164 struct amdgpu_mode_info *minfo = &adev->mode_info;
165 void __user *out = (void __user *)(long)info->return_pointer;
166 uint32_t size = info->return_size;
167 struct drm_crtc *crtc;
168 uint32_t ui32 = 0;
169 uint64_t ui64 = 0;
170 int i, found;
171
172 if (!info->return_size || !info->return_pointer)
173 return -EINVAL;
174
175 switch (info->query) {
176 case AMDGPU_INFO_ACCEL_WORKING:
177 ui32 = adev->accel_working;
178 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
179 case AMDGPU_INFO_CRTC_FROM_ID:
180 for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
181 crtc = (struct drm_crtc *)minfo->crtcs[i];
182 if (crtc && crtc->base.id == info->mode_crtc.id) {
183 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
184 ui32 = amdgpu_crtc->crtc_id;
185 found = 1;
186 break;
187 }
188 }
189 if (!found) {
190 DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
191 return -EINVAL;
192 }
193 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
194 case AMDGPU_INFO_HW_IP_INFO: {
195 struct drm_amdgpu_info_hw_ip ip = {};
196 enum amd_ip_block_type type;
197 uint32_t ring_mask = 0;
198 uint32_t ib_start_alignment = 0;
199 uint32_t ib_size_alignment = 0;
200
201 if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
202 return -EINVAL;
203
204 switch (info->query_hw_ip.type) {
205 case AMDGPU_HW_IP_GFX:
206 type = AMD_IP_BLOCK_TYPE_GFX;
207 for (i = 0; i < adev->gfx.num_gfx_rings; i++)
208 ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i);
209 ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
210 ib_size_alignment = 8;
211 break;
212 case AMDGPU_HW_IP_COMPUTE:
213 type = AMD_IP_BLOCK_TYPE_GFX;
214 for (i = 0; i < adev->gfx.num_compute_rings; i++)
215 ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i);
216 ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
217 ib_size_alignment = 8;
218 break;
219 case AMDGPU_HW_IP_DMA:
220 type = AMD_IP_BLOCK_TYPE_SDMA;
221 for (i = 0; i < adev->sdma.num_instances; i++)
222 ring_mask |= ((adev->sdma.instance[i].ring.ready ? 1 : 0) << i);
223 ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
224 ib_size_alignment = 1;
225 break;
226 case AMDGPU_HW_IP_UVD:
227 type = AMD_IP_BLOCK_TYPE_UVD;
228 ring_mask = adev->uvd.ring.ready ? 1 : 0;
229 ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
230 ib_size_alignment = 8;
231 break;
232 case AMDGPU_HW_IP_VCE:
233 type = AMD_IP_BLOCK_TYPE_VCE;
234 for (i = 0; i < AMDGPU_MAX_VCE_RINGS; i++)
235 ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
236 ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
237 ib_size_alignment = 8;
238 break;
239 default:
240 return -EINVAL;
241 }
242
243 for (i = 0; i < adev->num_ip_blocks; i++) {
244 if (adev->ip_blocks[i].type == type &&
245 adev->ip_block_status[i].valid) {
246 ip.hw_ip_version_major = adev->ip_blocks[i].major;
247 ip.hw_ip_version_minor = adev->ip_blocks[i].minor;
248 ip.capabilities_flags = 0;
249 ip.available_rings = ring_mask;
250 ip.ib_start_alignment = ib_start_alignment;
251 ip.ib_size_alignment = ib_size_alignment;
252 break;
253 }
254 }
255 return copy_to_user(out, &ip,
256 min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
257 }
258 case AMDGPU_INFO_HW_IP_COUNT: {
259 enum amd_ip_block_type type;
260 uint32_t count = 0;
261
262 switch (info->query_hw_ip.type) {
263 case AMDGPU_HW_IP_GFX:
264 type = AMD_IP_BLOCK_TYPE_GFX;
265 break;
266 case AMDGPU_HW_IP_COMPUTE:
267 type = AMD_IP_BLOCK_TYPE_GFX;
268 break;
269 case AMDGPU_HW_IP_DMA:
270 type = AMD_IP_BLOCK_TYPE_SDMA;
271 break;
272 case AMDGPU_HW_IP_UVD:
273 type = AMD_IP_BLOCK_TYPE_UVD;
274 break;
275 case AMDGPU_HW_IP_VCE:
276 type = AMD_IP_BLOCK_TYPE_VCE;
277 break;
278 default:
279 return -EINVAL;
280 }
281
282 for (i = 0; i < adev->num_ip_blocks; i++)
283 if (adev->ip_blocks[i].type == type &&
284 adev->ip_block_status[i].valid &&
285 count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
286 count++;
287
288 return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
289 }
290 case AMDGPU_INFO_TIMESTAMP:
291 ui64 = amdgpu_asic_get_gpu_clock_counter(adev);
292 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
293 case AMDGPU_INFO_FW_VERSION: {
294 struct drm_amdgpu_info_firmware fw_info;
295
296 /* We only support one instance of each IP block right now. */
297 if (info->query_fw.ip_instance != 0)
298 return -EINVAL;
299
300 switch (info->query_fw.fw_type) {
301 case AMDGPU_INFO_FW_VCE:
302 fw_info.ver = adev->vce.fw_version;
303 fw_info.feature = adev->vce.fb_version;
304 break;
305 case AMDGPU_INFO_FW_UVD:
306 fw_info.ver = adev->uvd.fw_version;
307 fw_info.feature = 0;
308 break;
309 case AMDGPU_INFO_FW_GMC:
310 fw_info.ver = adev->mc.fw_version;
311 fw_info.feature = 0;
312 break;
313 case AMDGPU_INFO_FW_GFX_ME:
314 fw_info.ver = adev->gfx.me_fw_version;
315 fw_info.feature = adev->gfx.me_feature_version;
316 break;
317 case AMDGPU_INFO_FW_GFX_PFP:
318 fw_info.ver = adev->gfx.pfp_fw_version;
319 fw_info.feature = adev->gfx.pfp_feature_version;
320 break;
321 case AMDGPU_INFO_FW_GFX_CE:
322 fw_info.ver = adev->gfx.ce_fw_version;
323 fw_info.feature = adev->gfx.ce_feature_version;
324 break;
325 case AMDGPU_INFO_FW_GFX_RLC:
326 fw_info.ver = adev->gfx.rlc_fw_version;
327 fw_info.feature = adev->gfx.rlc_feature_version;
328 break;
329 case AMDGPU_INFO_FW_GFX_MEC:
330 if (info->query_fw.index == 0) {
331 fw_info.ver = adev->gfx.mec_fw_version;
332 fw_info.feature = adev->gfx.mec_feature_version;
333 } else if (info->query_fw.index == 1) {
334 fw_info.ver = adev->gfx.mec2_fw_version;
335 fw_info.feature = adev->gfx.mec2_feature_version;
336 } else
337 return -EINVAL;
338 break;
339 case AMDGPU_INFO_FW_SMC:
340 fw_info.ver = adev->pm.fw_version;
341 fw_info.feature = 0;
342 break;
343 case AMDGPU_INFO_FW_SDMA:
344 if (info->query_fw.index >= adev->sdma.num_instances)
345 return -EINVAL;
346 fw_info.ver = adev->sdma.instance[info->query_fw.index].fw_version;
347 fw_info.feature = adev->sdma.instance[info->query_fw.index].feature_version;
348 break;
349 default:
350 return -EINVAL;
351 }
352 return copy_to_user(out, &fw_info,
353 min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
354 }
355 case AMDGPU_INFO_NUM_BYTES_MOVED:
356 ui64 = atomic64_read(&adev->num_bytes_moved);
357 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
358 case AMDGPU_INFO_VRAM_USAGE:
359 ui64 = atomic64_read(&adev->vram_usage);
360 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
361 case AMDGPU_INFO_VIS_VRAM_USAGE:
362 ui64 = atomic64_read(&adev->vram_vis_usage);
363 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
364 case AMDGPU_INFO_GTT_USAGE:
365 ui64 = atomic64_read(&adev->gtt_usage);
366 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
367 case AMDGPU_INFO_GDS_CONFIG: {
368 struct drm_amdgpu_info_gds gds_info;
369
370 memset(&gds_info, 0, sizeof(gds_info));
371 gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
372 gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
373 gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
374 gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
375 gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
376 gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
377 gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
378 return copy_to_user(out, &gds_info,
379 min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
380 }
381 case AMDGPU_INFO_VRAM_GTT: {
382 struct drm_amdgpu_info_vram_gtt vram_gtt;
383
384 vram_gtt.vram_size = adev->mc.real_vram_size;
385 vram_gtt.vram_size -= adev->vram_pin_size;
386 vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size;
387 vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
388 vram_gtt.gtt_size = adev->mc.gtt_size;
389 vram_gtt.gtt_size -= adev->gart_pin_size;
390 return copy_to_user(out, &vram_gtt,
391 min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
392 }
393 case AMDGPU_INFO_READ_MMR_REG: {
394 unsigned n, alloc_size;
395 uint32_t *regs;
396 unsigned se_num = (info->read_mmr_reg.instance >>
397 AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
398 AMDGPU_INFO_MMR_SE_INDEX_MASK;
399 unsigned sh_num = (info->read_mmr_reg.instance >>
400 AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
401 AMDGPU_INFO_MMR_SH_INDEX_MASK;
402
403 /* set full masks if the userspace set all bits
404 * in the bitfields */
405 if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
406 se_num = 0xffffffff;
407 if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
408 sh_num = 0xffffffff;
409
410 regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
411 if (!regs)
412 return -ENOMEM;
413 alloc_size = info->read_mmr_reg.count * sizeof(*regs);
414
415 for (i = 0; i < info->read_mmr_reg.count; i++)
416 if (amdgpu_asic_read_register(adev, se_num, sh_num,
417 info->read_mmr_reg.dword_offset + i,
418 ®s[i])) {
419 DRM_DEBUG_KMS("unallowed offset %#x\n",
420 info->read_mmr_reg.dword_offset + i);
421 kfree(regs);
422 return -EFAULT;
423 }
424 n = copy_to_user(out, regs, min(size, alloc_size));
425 kfree(regs);
426 return n ? -EFAULT : 0;
427 }
428 case AMDGPU_INFO_DEV_INFO: {
429 struct drm_amdgpu_info_device dev_info = {};
430 struct amdgpu_cu_info cu_info;
431
432 dev_info.device_id = dev->pdev->device;
433 dev_info.chip_rev = adev->rev_id;
434 dev_info.external_rev = adev->external_rev_id;
435 dev_info.pci_rev = dev->pdev->revision;
436 dev_info.family = adev->family;
437 dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
438 dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
439 /* return all clocks in KHz */
440 dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
441 if (adev->pm.dpm_enabled) {
442 dev_info.max_engine_clock =
443 adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10;
444 dev_info.max_memory_clock =
445 adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk * 10;
446 } else {
447 dev_info.max_engine_clock = adev->pm.default_sclk * 10;
448 dev_info.max_memory_clock = adev->pm.default_mclk * 10;
449 }
450 dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
451 dev_info.num_rb_pipes = adev->gfx.config.num_rbs;
452 dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
453 dev_info._pad = 0;
454 dev_info.ids_flags = 0;
455 if (adev->flags & AMD_IS_APU)
456 dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
457 dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
458 dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
459 dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
460 dev_info.pte_fragment_size = (1 << AMDGPU_LOG2_PAGES_PER_FRAG) *
461 AMDGPU_GPU_PAGE_SIZE;
462 dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
463
464 amdgpu_asic_get_cu_info(adev, &cu_info);
465 dev_info.cu_active_number = cu_info.number;
466 dev_info.cu_ao_mask = cu_info.ao_cu_mask;
467 dev_info.ce_ram_size = adev->gfx.ce_ram_size;
468 memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap));
469 dev_info.vram_type = adev->mc.vram_type;
470 dev_info.vram_bit_width = adev->mc.vram_width;
471 dev_info.vce_harvest_config = adev->vce.harvest_config;
472
473 return copy_to_user(out, &dev_info,
474 min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
475 }
476 default:
477 DRM_DEBUG_KMS("Invalid request %d\n", info->query);
478 return -EINVAL;
479 }
480 return 0;
481}
482
483
484/*
485 * Outdated mess for old drm with Xorg being in charge (void function now).
486 */
487/**
488 * amdgpu_driver_lastclose_kms - drm callback for last close
489 *
490 * @dev: drm dev pointer
491 *
492 * Switch vga_switcheroo state after last close (all asics).
493 */
494void amdgpu_driver_lastclose_kms(struct drm_device *dev)
495{
496 struct amdgpu_device *adev = dev->dev_private;
497
498 amdgpu_fbdev_restore_mode(adev);
499 vga_switcheroo_process_delayed_switch();
500}
501
502/**
503 * amdgpu_driver_open_kms - drm callback for open
504 *
505 * @dev: drm dev pointer
506 * @file_priv: drm file
507 *
508 * On device open, init vm on cayman+ (all asics).
509 * Returns 0 on success, error on failure.
510 */
511int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
512{
513 struct amdgpu_device *adev = dev->dev_private;
514 struct amdgpu_fpriv *fpriv;
515 int r;
516
517 file_priv->driver_priv = NULL;
518
519 r = pm_runtime_get_sync(dev->dev);
520 if (r < 0)
521 return r;
522
523 fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
524 if (unlikely(!fpriv))
525 return -ENOMEM;
526
527 r = amdgpu_vm_init(adev, &fpriv->vm);
528 if (r)
529 goto error_free;
530
531 mutex_init(&fpriv->bo_list_lock);
532 idr_init(&fpriv->bo_list_handles);
533
534 amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
535
536 file_priv->driver_priv = fpriv;
537
538 pm_runtime_mark_last_busy(dev->dev);
539 pm_runtime_put_autosuspend(dev->dev);
540 return 0;
541
542error_free:
543 kfree(fpriv);
544
545 return r;
546}
547
548/**
549 * amdgpu_driver_postclose_kms - drm callback for post close
550 *
551 * @dev: drm dev pointer
552 * @file_priv: drm file
553 *
554 * On device post close, tear down vm on cayman+ (all asics).
555 */
556void amdgpu_driver_postclose_kms(struct drm_device *dev,
557 struct drm_file *file_priv)
558{
559 struct amdgpu_device *adev = dev->dev_private;
560 struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
561 struct amdgpu_bo_list *list;
562 int handle;
563
564 if (!fpriv)
565 return;
566
567 amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
568
569 amdgpu_vm_fini(adev, &fpriv->vm);
570
571 idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
572 amdgpu_bo_list_free(list);
573
574 idr_destroy(&fpriv->bo_list_handles);
575 mutex_destroy(&fpriv->bo_list_lock);
576
577 kfree(fpriv);
578 file_priv->driver_priv = NULL;
579}
580
581/**
582 * amdgpu_driver_preclose_kms - drm callback for pre close
583 *
584 * @dev: drm dev pointer
585 * @file_priv: drm file
586 *
587 * On device pre close, tear down hyperz and cmask filps on r1xx-r5xx
588 * (all asics).
589 */
590void amdgpu_driver_preclose_kms(struct drm_device *dev,
591 struct drm_file *file_priv)
592{
593 struct amdgpu_device *adev = dev->dev_private;
594
595 amdgpu_uvd_free_handles(adev, file_priv);
596 amdgpu_vce_free_handles(adev, file_priv);
597}
598
599/*
600 * VBlank related functions.
601 */
602/**
603 * amdgpu_get_vblank_counter_kms - get frame count
604 *
605 * @dev: drm dev pointer
606 * @pipe: crtc to get the frame count from
607 *
608 * Gets the frame count on the requested crtc (all asics).
609 * Returns frame count on success, -EINVAL on failure.
610 */
611u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
612{
613 struct amdgpu_device *adev = dev->dev_private;
614 int vpos, hpos, stat;
615 u32 count;
616
617 if (pipe >= adev->mode_info.num_crtc) {
618 DRM_ERROR("Invalid crtc %u\n", pipe);
619 return -EINVAL;
620 }
621
622 /* The hw increments its frame counter at start of vsync, not at start
623 * of vblank, as is required by DRM core vblank counter handling.
624 * Cook the hw count here to make it appear to the caller as if it
625 * incremented at start of vblank. We measure distance to start of
626 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
627 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
628 * result by 1 to give the proper appearance to caller.
629 */
630 if (adev->mode_info.crtcs[pipe]) {
631 /* Repeat readout if needed to provide stable result if
632 * we cross start of vsync during the queries.
633 */
634 do {
635 count = amdgpu_display_vblank_get_counter(adev, pipe);
636 /* Ask amdgpu_get_crtc_scanoutpos to return vpos as
637 * distance to start of vblank, instead of regular
638 * vertical scanout pos.
639 */
640 stat = amdgpu_get_crtc_scanoutpos(
641 dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
642 &vpos, &hpos, NULL, NULL,
643 &adev->mode_info.crtcs[pipe]->base.hwmode);
644 } while (count != amdgpu_display_vblank_get_counter(adev, pipe));
645
646 if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
647 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
648 DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
649 } else {
650 DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
651 pipe, vpos);
652
653 /* Bump counter if we are at >= leading edge of vblank,
654 * but before vsync where vpos would turn negative and
655 * the hw counter really increments.
656 */
657 if (vpos >= 0)
658 count++;
659 }
660 } else {
661 /* Fallback to use value as is. */
662 count = amdgpu_display_vblank_get_counter(adev, pipe);
663 DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
664 }
665
666 return count;
667}
668
669/**
670 * amdgpu_enable_vblank_kms - enable vblank interrupt
671 *
672 * @dev: drm dev pointer
673 * @pipe: crtc to enable vblank interrupt for
674 *
675 * Enable the interrupt on the requested crtc (all asics).
676 * Returns 0 on success, -EINVAL on failure.
677 */
678int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
679{
680 struct amdgpu_device *adev = dev->dev_private;
681 int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe);
682
683 return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
684}
685
686/**
687 * amdgpu_disable_vblank_kms - disable vblank interrupt
688 *
689 * @dev: drm dev pointer
690 * @pipe: crtc to disable vblank interrupt for
691 *
692 * Disable the interrupt on the requested crtc (all asics).
693 */
694void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
695{
696 struct amdgpu_device *adev = dev->dev_private;
697 int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe);
698
699 amdgpu_irq_put(adev, &adev->crtc_irq, idx);
700}
701
702/**
703 * amdgpu_get_vblank_timestamp_kms - get vblank timestamp
704 *
705 * @dev: drm dev pointer
706 * @crtc: crtc to get the timestamp for
707 * @max_error: max error
708 * @vblank_time: time value
709 * @flags: flags passed to the driver
710 *
711 * Gets the timestamp on the requested crtc based on the
712 * scanout position. (all asics).
713 * Returns postive status flags on success, negative error on failure.
714 */
715int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
716 int *max_error,
717 struct timeval *vblank_time,
718 unsigned flags)
719{
720 struct drm_crtc *crtc;
721 struct amdgpu_device *adev = dev->dev_private;
722
723 if (pipe >= dev->num_crtcs) {
724 DRM_ERROR("Invalid crtc %u\n", pipe);
725 return -EINVAL;
726 }
727
728 /* Get associated drm_crtc: */
729 crtc = &adev->mode_info.crtcs[pipe]->base;
730 if (!crtc) {
731 /* This can occur on driver load if some component fails to
732 * initialize completely and driver is unloaded */
733 DRM_ERROR("Uninitialized crtc %d\n", pipe);
734 return -EINVAL;
735 }
736
737 /* Helper routine in DRM core does all the work: */
738 return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
739 vblank_time, flags,
740 &crtc->hwmode);
741}
742
743const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
744 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
745 DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
746 DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
747 /* KMS */
748 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
749 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
750 DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
751 DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
752 DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
753 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
754 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
755 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
756 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
757};
758int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28
29#include "amdgpu.h"
30#include <drm/drm_debugfs.h>
31#include <drm/amdgpu_drm.h>
32#include "amdgpu_sched.h"
33#include "amdgpu_uvd.h"
34#include "amdgpu_vce.h"
35#include "atom.h"
36
37#include <linux/vga_switcheroo.h>
38#include <linux/slab.h>
39#include <linux/uaccess.h>
40#include <linux/pci.h>
41#include <linux/pm_runtime.h>
42#include "amdgpu_amdkfd.h"
43#include "amdgpu_gem.h"
44#include "amdgpu_display.h"
45#include "amdgpu_ras.h"
46
47void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
48{
49 struct amdgpu_gpu_instance *gpu_instance;
50 int i;
51
52 mutex_lock(&mgpu_info.mutex);
53
54 for (i = 0; i < mgpu_info.num_gpu; i++) {
55 gpu_instance = &(mgpu_info.gpu_ins[i]);
56 if (gpu_instance->adev == adev) {
57 mgpu_info.gpu_ins[i] =
58 mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
59 mgpu_info.num_gpu--;
60 if (adev->flags & AMD_IS_APU)
61 mgpu_info.num_apu--;
62 else
63 mgpu_info.num_dgpu--;
64 break;
65 }
66 }
67
68 mutex_unlock(&mgpu_info.mutex);
69}
70
71/**
72 * amdgpu_driver_unload_kms - Main unload function for KMS.
73 *
74 * @dev: drm dev pointer
75 *
76 * This is the main unload function for KMS (all asics).
77 * Returns 0 on success.
78 */
79void amdgpu_driver_unload_kms(struct drm_device *dev)
80{
81 struct amdgpu_device *adev = dev->dev_private;
82
83 if (adev == NULL)
84 return;
85
86 amdgpu_unregister_gpu_instance(adev);
87
88 if (adev->rmmio == NULL)
89 goto done_free;
90
91 if (adev->runpm) {
92 pm_runtime_get_sync(dev->dev);
93 pm_runtime_forbid(dev->dev);
94 }
95
96 amdgpu_acpi_fini(adev);
97
98 amdgpu_device_fini(adev);
99
100done_free:
101 kfree(adev);
102 dev->dev_private = NULL;
103}
104
105void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
106{
107 struct amdgpu_gpu_instance *gpu_instance;
108
109 mutex_lock(&mgpu_info.mutex);
110
111 if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
112 DRM_ERROR("Cannot register more gpu instance\n");
113 mutex_unlock(&mgpu_info.mutex);
114 return;
115 }
116
117 gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
118 gpu_instance->adev = adev;
119 gpu_instance->mgpu_fan_enabled = 0;
120
121 mgpu_info.num_gpu++;
122 if (adev->flags & AMD_IS_APU)
123 mgpu_info.num_apu++;
124 else
125 mgpu_info.num_dgpu++;
126
127 mutex_unlock(&mgpu_info.mutex);
128}
129
130/**
131 * amdgpu_driver_load_kms - Main load function for KMS.
132 *
133 * @dev: drm dev pointer
134 * @flags: device flags
135 *
136 * This is the main load function for KMS (all asics).
137 * Returns 0 on success, error on failure.
138 */
139int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
140{
141 struct amdgpu_device *adev;
142 int r, acpi_status;
143
144 adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
145 if (adev == NULL) {
146 return -ENOMEM;
147 }
148 dev->dev_private = (void *)adev;
149
150 if (amdgpu_has_atpx() &&
151 (amdgpu_is_atpx_hybrid() ||
152 amdgpu_has_atpx_dgpu_power_cntl()) &&
153 ((flags & AMD_IS_APU) == 0) &&
154 !pci_is_thunderbolt_attached(dev->pdev))
155 flags |= AMD_IS_PX;
156
157 /* amdgpu_device_init should report only fatal error
158 * like memory allocation failure or iomapping failure,
159 * or memory manager initialization failure, it must
160 * properly initialize the GPU MC controller and permit
161 * VRAM allocation
162 */
163 r = amdgpu_device_init(adev, dev, dev->pdev, flags);
164 if (r) {
165 dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
166 goto out;
167 }
168
169 if (amdgpu_device_supports_boco(dev) &&
170 (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
171 adev->runpm = true;
172 } else if (amdgpu_device_supports_baco(dev) &&
173 (amdgpu_runtime_pm != 0)) {
174 switch (adev->asic_type) {
175#ifdef CONFIG_DRM_AMDGPU_CIK
176 case CHIP_BONAIRE:
177 case CHIP_HAWAII:
178#endif
179 case CHIP_VEGA20:
180 case CHIP_ARCTURUS:
181 case CHIP_SIENNA_CICHLID:
182 case CHIP_NAVY_FLOUNDER:
183 /* enable runpm if runpm=1 */
184 if (amdgpu_runtime_pm > 0)
185 adev->runpm = true;
186 break;
187 case CHIP_VEGA10:
188 /* turn runpm on if noretry=0 */
189 if (!amdgpu_noretry)
190 adev->runpm = true;
191 break;
192 default:
193 /* enable runpm on VI+ */
194 adev->runpm = true;
195 break;
196 }
197 }
198
199 /* Call ACPI methods: require modeset init
200 * but failure is not fatal
201 */
202
203 acpi_status = amdgpu_acpi_init(adev);
204 if (acpi_status)
205 dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n");
206
207 if (adev->runpm) {
208 /* only need to skip on ATPX */
209 if (amdgpu_device_supports_boco(dev) &&
210 !amdgpu_is_atpx_hybrid())
211 dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
212 pm_runtime_use_autosuspend(dev->dev);
213 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
214 pm_runtime_allow(dev->dev);
215 pm_runtime_mark_last_busy(dev->dev);
216 pm_runtime_put_autosuspend(dev->dev);
217 }
218
219out:
220 if (r) {
221 /* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
222 if (adev->rmmio && adev->runpm)
223 pm_runtime_put_noidle(dev->dev);
224 amdgpu_driver_unload_kms(dev);
225 }
226
227 return r;
228}
229
230static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
231 struct drm_amdgpu_query_fw *query_fw,
232 struct amdgpu_device *adev)
233{
234 switch (query_fw->fw_type) {
235 case AMDGPU_INFO_FW_VCE:
236 fw_info->ver = adev->vce.fw_version;
237 fw_info->feature = adev->vce.fb_version;
238 break;
239 case AMDGPU_INFO_FW_UVD:
240 fw_info->ver = adev->uvd.fw_version;
241 fw_info->feature = 0;
242 break;
243 case AMDGPU_INFO_FW_VCN:
244 fw_info->ver = adev->vcn.fw_version;
245 fw_info->feature = 0;
246 break;
247 case AMDGPU_INFO_FW_GMC:
248 fw_info->ver = adev->gmc.fw_version;
249 fw_info->feature = 0;
250 break;
251 case AMDGPU_INFO_FW_GFX_ME:
252 fw_info->ver = adev->gfx.me_fw_version;
253 fw_info->feature = adev->gfx.me_feature_version;
254 break;
255 case AMDGPU_INFO_FW_GFX_PFP:
256 fw_info->ver = adev->gfx.pfp_fw_version;
257 fw_info->feature = adev->gfx.pfp_feature_version;
258 break;
259 case AMDGPU_INFO_FW_GFX_CE:
260 fw_info->ver = adev->gfx.ce_fw_version;
261 fw_info->feature = adev->gfx.ce_feature_version;
262 break;
263 case AMDGPU_INFO_FW_GFX_RLC:
264 fw_info->ver = adev->gfx.rlc_fw_version;
265 fw_info->feature = adev->gfx.rlc_feature_version;
266 break;
267 case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
268 fw_info->ver = adev->gfx.rlc_srlc_fw_version;
269 fw_info->feature = adev->gfx.rlc_srlc_feature_version;
270 break;
271 case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
272 fw_info->ver = adev->gfx.rlc_srlg_fw_version;
273 fw_info->feature = adev->gfx.rlc_srlg_feature_version;
274 break;
275 case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
276 fw_info->ver = adev->gfx.rlc_srls_fw_version;
277 fw_info->feature = adev->gfx.rlc_srls_feature_version;
278 break;
279 case AMDGPU_INFO_FW_GFX_MEC:
280 if (query_fw->index == 0) {
281 fw_info->ver = adev->gfx.mec_fw_version;
282 fw_info->feature = adev->gfx.mec_feature_version;
283 } else if (query_fw->index == 1) {
284 fw_info->ver = adev->gfx.mec2_fw_version;
285 fw_info->feature = adev->gfx.mec2_feature_version;
286 } else
287 return -EINVAL;
288 break;
289 case AMDGPU_INFO_FW_SMC:
290 fw_info->ver = adev->pm.fw_version;
291 fw_info->feature = 0;
292 break;
293 case AMDGPU_INFO_FW_TA:
294 if (query_fw->index > 1)
295 return -EINVAL;
296 if (query_fw->index == 0) {
297 fw_info->ver = adev->psp.ta_fw_version;
298 fw_info->feature = adev->psp.ta_xgmi_ucode_version;
299 } else {
300 fw_info->ver = adev->psp.ta_fw_version;
301 fw_info->feature = adev->psp.ta_ras_ucode_version;
302 }
303 break;
304 case AMDGPU_INFO_FW_SDMA:
305 if (query_fw->index >= adev->sdma.num_instances)
306 return -EINVAL;
307 fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
308 fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
309 break;
310 case AMDGPU_INFO_FW_SOS:
311 fw_info->ver = adev->psp.sos_fw_version;
312 fw_info->feature = adev->psp.sos_feature_version;
313 break;
314 case AMDGPU_INFO_FW_ASD:
315 fw_info->ver = adev->psp.asd_fw_version;
316 fw_info->feature = adev->psp.asd_feature_version;
317 break;
318 case AMDGPU_INFO_FW_DMCU:
319 fw_info->ver = adev->dm.dmcu_fw_version;
320 fw_info->feature = 0;
321 break;
322 case AMDGPU_INFO_FW_DMCUB:
323 fw_info->ver = adev->dm.dmcub_fw_version;
324 fw_info->feature = 0;
325 break;
326 default:
327 return -EINVAL;
328 }
329 return 0;
330}
331
332static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
333 struct drm_amdgpu_info *info,
334 struct drm_amdgpu_info_hw_ip *result)
335{
336 uint32_t ib_start_alignment = 0;
337 uint32_t ib_size_alignment = 0;
338 enum amd_ip_block_type type;
339 unsigned int num_rings = 0;
340 unsigned int i, j;
341
342 if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
343 return -EINVAL;
344
345 switch (info->query_hw_ip.type) {
346 case AMDGPU_HW_IP_GFX:
347 type = AMD_IP_BLOCK_TYPE_GFX;
348 for (i = 0; i < adev->gfx.num_gfx_rings; i++)
349 if (adev->gfx.gfx_ring[i].sched.ready)
350 ++num_rings;
351 ib_start_alignment = 32;
352 ib_size_alignment = 32;
353 break;
354 case AMDGPU_HW_IP_COMPUTE:
355 type = AMD_IP_BLOCK_TYPE_GFX;
356 for (i = 0; i < adev->gfx.num_compute_rings; i++)
357 if (adev->gfx.compute_ring[i].sched.ready)
358 ++num_rings;
359 ib_start_alignment = 32;
360 ib_size_alignment = 32;
361 break;
362 case AMDGPU_HW_IP_DMA:
363 type = AMD_IP_BLOCK_TYPE_SDMA;
364 for (i = 0; i < adev->sdma.num_instances; i++)
365 if (adev->sdma.instance[i].ring.sched.ready)
366 ++num_rings;
367 ib_start_alignment = 256;
368 ib_size_alignment = 4;
369 break;
370 case AMDGPU_HW_IP_UVD:
371 type = AMD_IP_BLOCK_TYPE_UVD;
372 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
373 if (adev->uvd.harvest_config & (1 << i))
374 continue;
375
376 if (adev->uvd.inst[i].ring.sched.ready)
377 ++num_rings;
378 }
379 ib_start_alignment = 64;
380 ib_size_alignment = 64;
381 break;
382 case AMDGPU_HW_IP_VCE:
383 type = AMD_IP_BLOCK_TYPE_VCE;
384 for (i = 0; i < adev->vce.num_rings; i++)
385 if (adev->vce.ring[i].sched.ready)
386 ++num_rings;
387 ib_start_alignment = 4;
388 ib_size_alignment = 1;
389 break;
390 case AMDGPU_HW_IP_UVD_ENC:
391 type = AMD_IP_BLOCK_TYPE_UVD;
392 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
393 if (adev->uvd.harvest_config & (1 << i))
394 continue;
395
396 for (j = 0; j < adev->uvd.num_enc_rings; j++)
397 if (adev->uvd.inst[i].ring_enc[j].sched.ready)
398 ++num_rings;
399 }
400 ib_start_alignment = 64;
401 ib_size_alignment = 64;
402 break;
403 case AMDGPU_HW_IP_VCN_DEC:
404 type = AMD_IP_BLOCK_TYPE_VCN;
405 for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
406 if (adev->uvd.harvest_config & (1 << i))
407 continue;
408
409 if (adev->vcn.inst[i].ring_dec.sched.ready)
410 ++num_rings;
411 }
412 ib_start_alignment = 16;
413 ib_size_alignment = 16;
414 break;
415 case AMDGPU_HW_IP_VCN_ENC:
416 type = AMD_IP_BLOCK_TYPE_VCN;
417 for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
418 if (adev->uvd.harvest_config & (1 << i))
419 continue;
420
421 for (j = 0; j < adev->vcn.num_enc_rings; j++)
422 if (adev->vcn.inst[i].ring_enc[j].sched.ready)
423 ++num_rings;
424 }
425 ib_start_alignment = 64;
426 ib_size_alignment = 1;
427 break;
428 case AMDGPU_HW_IP_VCN_JPEG:
429 type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
430 AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
431
432 for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
433 if (adev->jpeg.harvest_config & (1 << i))
434 continue;
435
436 if (adev->jpeg.inst[i].ring_dec.sched.ready)
437 ++num_rings;
438 }
439 ib_start_alignment = 16;
440 ib_size_alignment = 16;
441 break;
442 default:
443 return -EINVAL;
444 }
445
446 for (i = 0; i < adev->num_ip_blocks; i++)
447 if (adev->ip_blocks[i].version->type == type &&
448 adev->ip_blocks[i].status.valid)
449 break;
450
451 if (i == adev->num_ip_blocks)
452 return 0;
453
454 num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
455 num_rings);
456
457 result->hw_ip_version_major = adev->ip_blocks[i].version->major;
458 result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
459 result->capabilities_flags = 0;
460 result->available_rings = (1 << num_rings) - 1;
461 result->ib_start_alignment = ib_start_alignment;
462 result->ib_size_alignment = ib_size_alignment;
463 return 0;
464}
465
466/*
467 * Userspace get information ioctl
468 */
469/**
470 * amdgpu_info_ioctl - answer a device specific request.
471 *
472 * @adev: amdgpu device pointer
473 * @data: request object
474 * @filp: drm filp
475 *
476 * This function is used to pass device specific parameters to the userspace
477 * drivers. Examples include: pci device id, pipeline parms, tiling params,
478 * etc. (all asics).
479 * Returns 0 on success, -EINVAL on failure.
480 */
481static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
482{
483 struct amdgpu_device *adev = dev->dev_private;
484 struct drm_amdgpu_info *info = data;
485 struct amdgpu_mode_info *minfo = &adev->mode_info;
486 void __user *out = (void __user *)(uintptr_t)info->return_pointer;
487 uint32_t size = info->return_size;
488 struct drm_crtc *crtc;
489 uint32_t ui32 = 0;
490 uint64_t ui64 = 0;
491 int i, found;
492 int ui32_size = sizeof(ui32);
493
494 if (!info->return_size || !info->return_pointer)
495 return -EINVAL;
496
497 switch (info->query) {
498 case AMDGPU_INFO_ACCEL_WORKING:
499 ui32 = adev->accel_working;
500 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
501 case AMDGPU_INFO_CRTC_FROM_ID:
502 for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
503 crtc = (struct drm_crtc *)minfo->crtcs[i];
504 if (crtc && crtc->base.id == info->mode_crtc.id) {
505 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
506 ui32 = amdgpu_crtc->crtc_id;
507 found = 1;
508 break;
509 }
510 }
511 if (!found) {
512 DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
513 return -EINVAL;
514 }
515 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
516 case AMDGPU_INFO_HW_IP_INFO: {
517 struct drm_amdgpu_info_hw_ip ip = {};
518 int ret;
519
520 ret = amdgpu_hw_ip_info(adev, info, &ip);
521 if (ret)
522 return ret;
523
524 ret = copy_to_user(out, &ip, min((size_t)size, sizeof(ip)));
525 return ret ? -EFAULT : 0;
526 }
527 case AMDGPU_INFO_HW_IP_COUNT: {
528 enum amd_ip_block_type type;
529 uint32_t count = 0;
530
531 switch (info->query_hw_ip.type) {
532 case AMDGPU_HW_IP_GFX:
533 type = AMD_IP_BLOCK_TYPE_GFX;
534 break;
535 case AMDGPU_HW_IP_COMPUTE:
536 type = AMD_IP_BLOCK_TYPE_GFX;
537 break;
538 case AMDGPU_HW_IP_DMA:
539 type = AMD_IP_BLOCK_TYPE_SDMA;
540 break;
541 case AMDGPU_HW_IP_UVD:
542 type = AMD_IP_BLOCK_TYPE_UVD;
543 break;
544 case AMDGPU_HW_IP_VCE:
545 type = AMD_IP_BLOCK_TYPE_VCE;
546 break;
547 case AMDGPU_HW_IP_UVD_ENC:
548 type = AMD_IP_BLOCK_TYPE_UVD;
549 break;
550 case AMDGPU_HW_IP_VCN_DEC:
551 case AMDGPU_HW_IP_VCN_ENC:
552 type = AMD_IP_BLOCK_TYPE_VCN;
553 break;
554 case AMDGPU_HW_IP_VCN_JPEG:
555 type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
556 AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
557 break;
558 default:
559 return -EINVAL;
560 }
561
562 for (i = 0; i < adev->num_ip_blocks; i++)
563 if (adev->ip_blocks[i].version->type == type &&
564 adev->ip_blocks[i].status.valid &&
565 count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
566 count++;
567
568 return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
569 }
570 case AMDGPU_INFO_TIMESTAMP:
571 ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
572 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
573 case AMDGPU_INFO_FW_VERSION: {
574 struct drm_amdgpu_info_firmware fw_info;
575 int ret;
576
577 /* We only support one instance of each IP block right now. */
578 if (info->query_fw.ip_instance != 0)
579 return -EINVAL;
580
581 ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
582 if (ret)
583 return ret;
584
585 return copy_to_user(out, &fw_info,
586 min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
587 }
588 case AMDGPU_INFO_NUM_BYTES_MOVED:
589 ui64 = atomic64_read(&adev->num_bytes_moved);
590 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
591 case AMDGPU_INFO_NUM_EVICTIONS:
592 ui64 = atomic64_read(&adev->num_evictions);
593 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
594 case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
595 ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
596 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
597 case AMDGPU_INFO_VRAM_USAGE:
598 ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
599 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
600 case AMDGPU_INFO_VIS_VRAM_USAGE:
601 ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
602 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
603 case AMDGPU_INFO_GTT_USAGE:
604 ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
605 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
606 case AMDGPU_INFO_GDS_CONFIG: {
607 struct drm_amdgpu_info_gds gds_info;
608
609 memset(&gds_info, 0, sizeof(gds_info));
610 gds_info.compute_partition_size = adev->gds.gds_size;
611 gds_info.gds_total_size = adev->gds.gds_size;
612 gds_info.gws_per_compute_partition = adev->gds.gws_size;
613 gds_info.oa_per_compute_partition = adev->gds.oa_size;
614 return copy_to_user(out, &gds_info,
615 min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
616 }
617 case AMDGPU_INFO_VRAM_GTT: {
618 struct drm_amdgpu_info_vram_gtt vram_gtt;
619
620 vram_gtt.vram_size = adev->gmc.real_vram_size -
621 atomic64_read(&adev->vram_pin_size) -
622 AMDGPU_VM_RESERVED_VRAM;
623 vram_gtt.vram_cpu_accessible_size =
624 min(adev->gmc.visible_vram_size -
625 atomic64_read(&adev->visible_pin_size),
626 vram_gtt.vram_size);
627 vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size;
628 vram_gtt.gtt_size *= PAGE_SIZE;
629 vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
630 return copy_to_user(out, &vram_gtt,
631 min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
632 }
633 case AMDGPU_INFO_MEMORY: {
634 struct drm_amdgpu_memory_info mem;
635
636 memset(&mem, 0, sizeof(mem));
637 mem.vram.total_heap_size = adev->gmc.real_vram_size;
638 mem.vram.usable_heap_size = adev->gmc.real_vram_size -
639 atomic64_read(&adev->vram_pin_size) -
640 AMDGPU_VM_RESERVED_VRAM;
641 mem.vram.heap_usage =
642 amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
643 mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
644
645 mem.cpu_accessible_vram.total_heap_size =
646 adev->gmc.visible_vram_size;
647 mem.cpu_accessible_vram.usable_heap_size =
648 min(adev->gmc.visible_vram_size -
649 atomic64_read(&adev->visible_pin_size),
650 mem.vram.usable_heap_size);
651 mem.cpu_accessible_vram.heap_usage =
652 amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
653 mem.cpu_accessible_vram.max_allocation =
654 mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
655
656 mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size;
657 mem.gtt.total_heap_size *= PAGE_SIZE;
658 mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
659 atomic64_read(&adev->gart_pin_size);
660 mem.gtt.heap_usage =
661 amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
662 mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
663
664 return copy_to_user(out, &mem,
665 min((size_t)size, sizeof(mem)))
666 ? -EFAULT : 0;
667 }
668 case AMDGPU_INFO_READ_MMR_REG: {
669 unsigned n, alloc_size;
670 uint32_t *regs;
671 unsigned se_num = (info->read_mmr_reg.instance >>
672 AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
673 AMDGPU_INFO_MMR_SE_INDEX_MASK;
674 unsigned sh_num = (info->read_mmr_reg.instance >>
675 AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
676 AMDGPU_INFO_MMR_SH_INDEX_MASK;
677
678 /* set full masks if the userspace set all bits
679 * in the bitfields */
680 if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
681 se_num = 0xffffffff;
682 else if (se_num >= AMDGPU_GFX_MAX_SE)
683 return -EINVAL;
684 if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
685 sh_num = 0xffffffff;
686 else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
687 return -EINVAL;
688
689 if (info->read_mmr_reg.count > 128)
690 return -EINVAL;
691
692 regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
693 if (!regs)
694 return -ENOMEM;
695 alloc_size = info->read_mmr_reg.count * sizeof(*regs);
696
697 amdgpu_gfx_off_ctrl(adev, false);
698 for (i = 0; i < info->read_mmr_reg.count; i++) {
699 if (amdgpu_asic_read_register(adev, se_num, sh_num,
700 info->read_mmr_reg.dword_offset + i,
701 ®s[i])) {
702 DRM_DEBUG_KMS("unallowed offset %#x\n",
703 info->read_mmr_reg.dword_offset + i);
704 kfree(regs);
705 amdgpu_gfx_off_ctrl(adev, true);
706 return -EFAULT;
707 }
708 }
709 amdgpu_gfx_off_ctrl(adev, true);
710 n = copy_to_user(out, regs, min(size, alloc_size));
711 kfree(regs);
712 return n ? -EFAULT : 0;
713 }
714 case AMDGPU_INFO_DEV_INFO: {
715 struct drm_amdgpu_info_device dev_info;
716 uint64_t vm_size;
717
718 memset(&dev_info, 0, sizeof(dev_info));
719 dev_info.device_id = dev->pdev->device;
720 dev_info.chip_rev = adev->rev_id;
721 dev_info.external_rev = adev->external_rev_id;
722 dev_info.pci_rev = dev->pdev->revision;
723 dev_info.family = adev->family;
724 dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
725 dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
726 /* return all clocks in KHz */
727 dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
728 if (adev->pm.dpm_enabled) {
729 dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
730 dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
731 } else {
732 dev_info.max_engine_clock = adev->clock.default_sclk * 10;
733 dev_info.max_memory_clock = adev->clock.default_mclk * 10;
734 }
735 dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
736 dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
737 adev->gfx.config.max_shader_engines;
738 dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
739 dev_info._pad = 0;
740 dev_info.ids_flags = 0;
741 if (adev->flags & AMD_IS_APU)
742 dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
743 if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
744 dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
745
746 vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
747 vm_size -= AMDGPU_VA_RESERVED_SIZE;
748
749 /* Older VCE FW versions are buggy and can handle only 40bits */
750 if (adev->vce.fw_version &&
751 adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
752 vm_size = min(vm_size, 1ULL << 40);
753
754 dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
755 dev_info.virtual_address_max =
756 min(vm_size, AMDGPU_GMC_HOLE_START);
757
758 if (vm_size > AMDGPU_GMC_HOLE_START) {
759 dev_info.high_va_offset = AMDGPU_GMC_HOLE_END;
760 dev_info.high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
761 }
762 dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
763 dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
764 dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
765 dev_info.cu_active_number = adev->gfx.cu_info.number;
766 dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
767 dev_info.ce_ram_size = adev->gfx.ce_ram_size;
768 memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
769 sizeof(adev->gfx.cu_info.ao_cu_bitmap));
770 memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
771 sizeof(adev->gfx.cu_info.bitmap));
772 dev_info.vram_type = adev->gmc.vram_type;
773 dev_info.vram_bit_width = adev->gmc.vram_width;
774 dev_info.vce_harvest_config = adev->vce.harvest_config;
775 dev_info.gc_double_offchip_lds_buf =
776 adev->gfx.config.double_offchip_lds_buf;
777 dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
778 dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
779 dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
780 dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
781 dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
782 dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
783 dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
784
785 if (adev->family >= AMDGPU_FAMILY_NV)
786 dev_info.pa_sc_tile_steering_override =
787 adev->gfx.config.pa_sc_tile_steering_override;
788
789 dev_info.tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
790
791 return copy_to_user(out, &dev_info,
792 min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
793 }
794 case AMDGPU_INFO_VCE_CLOCK_TABLE: {
795 unsigned i;
796 struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
797 struct amd_vce_state *vce_state;
798
799 for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
800 vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
801 if (vce_state) {
802 vce_clk_table.entries[i].sclk = vce_state->sclk;
803 vce_clk_table.entries[i].mclk = vce_state->mclk;
804 vce_clk_table.entries[i].eclk = vce_state->evclk;
805 vce_clk_table.num_valid_entries++;
806 }
807 }
808
809 return copy_to_user(out, &vce_clk_table,
810 min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
811 }
812 case AMDGPU_INFO_VBIOS: {
813 uint32_t bios_size = adev->bios_size;
814
815 switch (info->vbios_info.type) {
816 case AMDGPU_INFO_VBIOS_SIZE:
817 return copy_to_user(out, &bios_size,
818 min((size_t)size, sizeof(bios_size)))
819 ? -EFAULT : 0;
820 case AMDGPU_INFO_VBIOS_IMAGE: {
821 uint8_t *bios;
822 uint32_t bios_offset = info->vbios_info.offset;
823
824 if (bios_offset >= bios_size)
825 return -EINVAL;
826
827 bios = adev->bios + bios_offset;
828 return copy_to_user(out, bios,
829 min((size_t)size, (size_t)(bios_size - bios_offset)))
830 ? -EFAULT : 0;
831 }
832 default:
833 DRM_DEBUG_KMS("Invalid request %d\n",
834 info->vbios_info.type);
835 return -EINVAL;
836 }
837 }
838 case AMDGPU_INFO_NUM_HANDLES: {
839 struct drm_amdgpu_info_num_handles handle;
840
841 switch (info->query_hw_ip.type) {
842 case AMDGPU_HW_IP_UVD:
843 /* Starting Polaris, we support unlimited UVD handles */
844 if (adev->asic_type < CHIP_POLARIS10) {
845 handle.uvd_max_handles = adev->uvd.max_handles;
846 handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
847
848 return copy_to_user(out, &handle,
849 min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
850 } else {
851 return -ENODATA;
852 }
853
854 break;
855 default:
856 return -EINVAL;
857 }
858 }
859 case AMDGPU_INFO_SENSOR: {
860 if (!adev->pm.dpm_enabled)
861 return -ENOENT;
862
863 switch (info->sensor_info.type) {
864 case AMDGPU_INFO_SENSOR_GFX_SCLK:
865 /* get sclk in Mhz */
866 if (amdgpu_dpm_read_sensor(adev,
867 AMDGPU_PP_SENSOR_GFX_SCLK,
868 (void *)&ui32, &ui32_size)) {
869 return -EINVAL;
870 }
871 ui32 /= 100;
872 break;
873 case AMDGPU_INFO_SENSOR_GFX_MCLK:
874 /* get mclk in Mhz */
875 if (amdgpu_dpm_read_sensor(adev,
876 AMDGPU_PP_SENSOR_GFX_MCLK,
877 (void *)&ui32, &ui32_size)) {
878 return -EINVAL;
879 }
880 ui32 /= 100;
881 break;
882 case AMDGPU_INFO_SENSOR_GPU_TEMP:
883 /* get temperature in millidegrees C */
884 if (amdgpu_dpm_read_sensor(adev,
885 AMDGPU_PP_SENSOR_GPU_TEMP,
886 (void *)&ui32, &ui32_size)) {
887 return -EINVAL;
888 }
889 break;
890 case AMDGPU_INFO_SENSOR_GPU_LOAD:
891 /* get GPU load */
892 if (amdgpu_dpm_read_sensor(adev,
893 AMDGPU_PP_SENSOR_GPU_LOAD,
894 (void *)&ui32, &ui32_size)) {
895 return -EINVAL;
896 }
897 break;
898 case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
899 /* get average GPU power */
900 if (amdgpu_dpm_read_sensor(adev,
901 AMDGPU_PP_SENSOR_GPU_POWER,
902 (void *)&ui32, &ui32_size)) {
903 return -EINVAL;
904 }
905 ui32 >>= 8;
906 break;
907 case AMDGPU_INFO_SENSOR_VDDNB:
908 /* get VDDNB in millivolts */
909 if (amdgpu_dpm_read_sensor(adev,
910 AMDGPU_PP_SENSOR_VDDNB,
911 (void *)&ui32, &ui32_size)) {
912 return -EINVAL;
913 }
914 break;
915 case AMDGPU_INFO_SENSOR_VDDGFX:
916 /* get VDDGFX in millivolts */
917 if (amdgpu_dpm_read_sensor(adev,
918 AMDGPU_PP_SENSOR_VDDGFX,
919 (void *)&ui32, &ui32_size)) {
920 return -EINVAL;
921 }
922 break;
923 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
924 /* get stable pstate sclk in Mhz */
925 if (amdgpu_dpm_read_sensor(adev,
926 AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
927 (void *)&ui32, &ui32_size)) {
928 return -EINVAL;
929 }
930 ui32 /= 100;
931 break;
932 case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
933 /* get stable pstate mclk in Mhz */
934 if (amdgpu_dpm_read_sensor(adev,
935 AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
936 (void *)&ui32, &ui32_size)) {
937 return -EINVAL;
938 }
939 ui32 /= 100;
940 break;
941 default:
942 DRM_DEBUG_KMS("Invalid request %d\n",
943 info->sensor_info.type);
944 return -EINVAL;
945 }
946 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
947 }
948 case AMDGPU_INFO_VRAM_LOST_COUNTER:
949 ui32 = atomic_read(&adev->vram_lost_counter);
950 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
951 case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
952 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
953 uint64_t ras_mask;
954
955 if (!ras)
956 return -EINVAL;
957 ras_mask = (uint64_t)ras->supported << 32 | ras->features;
958
959 return copy_to_user(out, &ras_mask,
960 min_t(u64, size, sizeof(ras_mask))) ?
961 -EFAULT : 0;
962 }
963 default:
964 DRM_DEBUG_KMS("Invalid request %d\n", info->query);
965 return -EINVAL;
966 }
967 return 0;
968}
969
970
971/*
972 * Outdated mess for old drm with Xorg being in charge (void function now).
973 */
974/**
975 * amdgpu_driver_lastclose_kms - drm callback for last close
976 *
977 * @dev: drm dev pointer
978 *
979 * Switch vga_switcheroo state after last close (all asics).
980 */
981void amdgpu_driver_lastclose_kms(struct drm_device *dev)
982{
983 drm_fb_helper_lastclose(dev);
984 vga_switcheroo_process_delayed_switch();
985}
986
987/**
988 * amdgpu_driver_open_kms - drm callback for open
989 *
990 * @dev: drm dev pointer
991 * @file_priv: drm file
992 *
993 * On device open, init vm on cayman+ (all asics).
994 * Returns 0 on success, error on failure.
995 */
996int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
997{
998 struct amdgpu_device *adev = dev->dev_private;
999 struct amdgpu_fpriv *fpriv;
1000 int r, pasid;
1001
1002 /* Ensure IB tests are run on ring */
1003 flush_delayed_work(&adev->delayed_init_work);
1004
1005
1006 if (amdgpu_ras_intr_triggered()) {
1007 DRM_ERROR("RAS Intr triggered, device disabled!!");
1008 return -EHWPOISON;
1009 }
1010
1011 file_priv->driver_priv = NULL;
1012
1013 r = pm_runtime_get_sync(dev->dev);
1014 if (r < 0)
1015 goto pm_put;
1016
1017 fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1018 if (unlikely(!fpriv)) {
1019 r = -ENOMEM;
1020 goto out_suspend;
1021 }
1022
1023 pasid = amdgpu_pasid_alloc(16);
1024 if (pasid < 0) {
1025 dev_warn(adev->dev, "No more PASIDs available!");
1026 pasid = 0;
1027 }
1028 r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid);
1029 if (r)
1030 goto error_pasid;
1031
1032 fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
1033 if (!fpriv->prt_va) {
1034 r = -ENOMEM;
1035 goto error_vm;
1036 }
1037
1038 if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1039 uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
1040
1041 r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
1042 &fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
1043 if (r)
1044 goto error_vm;
1045 }
1046
1047 mutex_init(&fpriv->bo_list_lock);
1048 idr_init(&fpriv->bo_list_handles);
1049
1050 amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
1051
1052 file_priv->driver_priv = fpriv;
1053 goto out_suspend;
1054
1055error_vm:
1056 amdgpu_vm_fini(adev, &fpriv->vm);
1057
1058error_pasid:
1059 if (pasid)
1060 amdgpu_pasid_free(pasid);
1061
1062 kfree(fpriv);
1063
1064out_suspend:
1065 pm_runtime_mark_last_busy(dev->dev);
1066pm_put:
1067 pm_runtime_put_autosuspend(dev->dev);
1068
1069 return r;
1070}
1071
1072/**
1073 * amdgpu_driver_postclose_kms - drm callback for post close
1074 *
1075 * @dev: drm dev pointer
1076 * @file_priv: drm file
1077 *
1078 * On device post close, tear down vm on cayman+ (all asics).
1079 */
1080void amdgpu_driver_postclose_kms(struct drm_device *dev,
1081 struct drm_file *file_priv)
1082{
1083 struct amdgpu_device *adev = dev->dev_private;
1084 struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
1085 struct amdgpu_bo_list *list;
1086 struct amdgpu_bo *pd;
1087 unsigned int pasid;
1088 int handle;
1089
1090 if (!fpriv)
1091 return;
1092
1093 pm_runtime_get_sync(dev->dev);
1094
1095 if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
1096 amdgpu_uvd_free_handles(adev, file_priv);
1097 if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
1098 amdgpu_vce_free_handles(adev, file_priv);
1099
1100 amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
1101
1102 if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
1103 /* TODO: how to handle reserve failure */
1104 BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
1105 amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
1106 fpriv->csa_va = NULL;
1107 amdgpu_bo_unreserve(adev->virt.csa_obj);
1108 }
1109
1110 pasid = fpriv->vm.pasid;
1111 pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
1112
1113 amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
1114 amdgpu_vm_fini(adev, &fpriv->vm);
1115
1116 if (pasid)
1117 amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
1118 amdgpu_bo_unref(&pd);
1119
1120 idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
1121 amdgpu_bo_list_put(list);
1122
1123 idr_destroy(&fpriv->bo_list_handles);
1124 mutex_destroy(&fpriv->bo_list_lock);
1125
1126 kfree(fpriv);
1127 file_priv->driver_priv = NULL;
1128
1129 pm_runtime_mark_last_busy(dev->dev);
1130 pm_runtime_put_autosuspend(dev->dev);
1131}
1132
1133/*
1134 * VBlank related functions.
1135 */
1136/**
1137 * amdgpu_get_vblank_counter_kms - get frame count
1138 *
1139 * @crtc: crtc to get the frame count from
1140 *
1141 * Gets the frame count on the requested crtc (all asics).
1142 * Returns frame count on success, -EINVAL on failure.
1143 */
1144u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
1145{
1146 struct drm_device *dev = crtc->dev;
1147 unsigned int pipe = crtc->index;
1148 struct amdgpu_device *adev = dev->dev_private;
1149 int vpos, hpos, stat;
1150 u32 count;
1151
1152 if (pipe >= adev->mode_info.num_crtc) {
1153 DRM_ERROR("Invalid crtc %u\n", pipe);
1154 return -EINVAL;
1155 }
1156
1157 /* The hw increments its frame counter at start of vsync, not at start
1158 * of vblank, as is required by DRM core vblank counter handling.
1159 * Cook the hw count here to make it appear to the caller as if it
1160 * incremented at start of vblank. We measure distance to start of
1161 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
1162 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
1163 * result by 1 to give the proper appearance to caller.
1164 */
1165 if (adev->mode_info.crtcs[pipe]) {
1166 /* Repeat readout if needed to provide stable result if
1167 * we cross start of vsync during the queries.
1168 */
1169 do {
1170 count = amdgpu_display_vblank_get_counter(adev, pipe);
1171 /* Ask amdgpu_display_get_crtc_scanoutpos to return
1172 * vpos as distance to start of vblank, instead of
1173 * regular vertical scanout pos.
1174 */
1175 stat = amdgpu_display_get_crtc_scanoutpos(
1176 dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
1177 &vpos, &hpos, NULL, NULL,
1178 &adev->mode_info.crtcs[pipe]->base.hwmode);
1179 } while (count != amdgpu_display_vblank_get_counter(adev, pipe));
1180
1181 if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
1182 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
1183 DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
1184 } else {
1185 DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
1186 pipe, vpos);
1187
1188 /* Bump counter if we are at >= leading edge of vblank,
1189 * but before vsync where vpos would turn negative and
1190 * the hw counter really increments.
1191 */
1192 if (vpos >= 0)
1193 count++;
1194 }
1195 } else {
1196 /* Fallback to use value as is. */
1197 count = amdgpu_display_vblank_get_counter(adev, pipe);
1198 DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
1199 }
1200
1201 return count;
1202}
1203
1204/**
1205 * amdgpu_enable_vblank_kms - enable vblank interrupt
1206 *
1207 * @crtc: crtc to enable vblank interrupt for
1208 *
1209 * Enable the interrupt on the requested crtc (all asics).
1210 * Returns 0 on success, -EINVAL on failure.
1211 */
1212int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
1213{
1214 struct drm_device *dev = crtc->dev;
1215 unsigned int pipe = crtc->index;
1216 struct amdgpu_device *adev = dev->dev_private;
1217 int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1218
1219 return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
1220}
1221
1222/**
1223 * amdgpu_disable_vblank_kms - disable vblank interrupt
1224 *
1225 * @crtc: crtc to disable vblank interrupt for
1226 *
1227 * Disable the interrupt on the requested crtc (all asics).
1228 */
1229void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
1230{
1231 struct drm_device *dev = crtc->dev;
1232 unsigned int pipe = crtc->index;
1233 struct amdgpu_device *adev = dev->dev_private;
1234 int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
1235
1236 amdgpu_irq_put(adev, &adev->crtc_irq, idx);
1237}
1238
1239const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
1240 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1241 DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1242 DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1243 DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER),
1244 DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1245 DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1246 /* KMS */
1247 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1248 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1249 DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1250 DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1251 DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1252 DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1253 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1254 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1255 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
1256 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW)
1257};
1258const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
1259
1260/*
1261 * Debugfs info
1262 */
1263#if defined(CONFIG_DEBUG_FS)
1264
1265static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
1266{
1267 struct drm_info_node *node = (struct drm_info_node *) m->private;
1268 struct drm_device *dev = node->minor->dev;
1269 struct amdgpu_device *adev = dev->dev_private;
1270 struct drm_amdgpu_info_firmware fw_info;
1271 struct drm_amdgpu_query_fw query_fw;
1272 struct atom_context *ctx = adev->mode_info.atom_context;
1273 int ret, i;
1274
1275 /* VCE */
1276 query_fw.fw_type = AMDGPU_INFO_FW_VCE;
1277 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1278 if (ret)
1279 return ret;
1280 seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
1281 fw_info.feature, fw_info.ver);
1282
1283 /* UVD */
1284 query_fw.fw_type = AMDGPU_INFO_FW_UVD;
1285 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1286 if (ret)
1287 return ret;
1288 seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
1289 fw_info.feature, fw_info.ver);
1290
1291 /* GMC */
1292 query_fw.fw_type = AMDGPU_INFO_FW_GMC;
1293 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1294 if (ret)
1295 return ret;
1296 seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
1297 fw_info.feature, fw_info.ver);
1298
1299 /* ME */
1300 query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
1301 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1302 if (ret)
1303 return ret;
1304 seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
1305 fw_info.feature, fw_info.ver);
1306
1307 /* PFP */
1308 query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
1309 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1310 if (ret)
1311 return ret;
1312 seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
1313 fw_info.feature, fw_info.ver);
1314
1315 /* CE */
1316 query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
1317 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1318 if (ret)
1319 return ret;
1320 seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
1321 fw_info.feature, fw_info.ver);
1322
1323 /* RLC */
1324 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
1325 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1326 if (ret)
1327 return ret;
1328 seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
1329 fw_info.feature, fw_info.ver);
1330
1331 /* RLC SAVE RESTORE LIST CNTL */
1332 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
1333 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1334 if (ret)
1335 return ret;
1336 seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
1337 fw_info.feature, fw_info.ver);
1338
1339 /* RLC SAVE RESTORE LIST GPM MEM */
1340 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
1341 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1342 if (ret)
1343 return ret;
1344 seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
1345 fw_info.feature, fw_info.ver);
1346
1347 /* RLC SAVE RESTORE LIST SRM MEM */
1348 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
1349 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1350 if (ret)
1351 return ret;
1352 seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
1353 fw_info.feature, fw_info.ver);
1354
1355 /* MEC */
1356 query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
1357 query_fw.index = 0;
1358 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1359 if (ret)
1360 return ret;
1361 seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
1362 fw_info.feature, fw_info.ver);
1363
1364 /* MEC2 */
1365 if (adev->gfx.mec2_fw) {
1366 query_fw.index = 1;
1367 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1368 if (ret)
1369 return ret;
1370 seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
1371 fw_info.feature, fw_info.ver);
1372 }
1373
1374 /* PSP SOS */
1375 query_fw.fw_type = AMDGPU_INFO_FW_SOS;
1376 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1377 if (ret)
1378 return ret;
1379 seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
1380 fw_info.feature, fw_info.ver);
1381
1382
1383 /* PSP ASD */
1384 query_fw.fw_type = AMDGPU_INFO_FW_ASD;
1385 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1386 if (ret)
1387 return ret;
1388 seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
1389 fw_info.feature, fw_info.ver);
1390
1391 query_fw.fw_type = AMDGPU_INFO_FW_TA;
1392 for (i = 0; i < 2; i++) {
1393 query_fw.index = i;
1394 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1395 if (ret)
1396 continue;
1397 seq_printf(m, "TA %s feature version: %u, firmware version: 0x%08x\n",
1398 i ? "RAS" : "XGMI", fw_info.feature, fw_info.ver);
1399 }
1400
1401 /* SMC */
1402 query_fw.fw_type = AMDGPU_INFO_FW_SMC;
1403 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1404 if (ret)
1405 return ret;
1406 seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
1407 fw_info.feature, fw_info.ver);
1408
1409 /* SDMA */
1410 query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1411 for (i = 0; i < adev->sdma.num_instances; i++) {
1412 query_fw.index = i;
1413 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1414 if (ret)
1415 return ret;
1416 seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1417 i, fw_info.feature, fw_info.ver);
1418 }
1419
1420 /* VCN */
1421 query_fw.fw_type = AMDGPU_INFO_FW_VCN;
1422 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1423 if (ret)
1424 return ret;
1425 seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
1426 fw_info.feature, fw_info.ver);
1427
1428 /* DMCU */
1429 query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
1430 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1431 if (ret)
1432 return ret;
1433 seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
1434 fw_info.feature, fw_info.ver);
1435
1436 /* DMCUB */
1437 query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
1438 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1439 if (ret)
1440 return ret;
1441 seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
1442 fw_info.feature, fw_info.ver);
1443
1444
1445 seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
1446
1447 return 0;
1448}
1449
1450static const struct drm_info_list amdgpu_firmware_info_list[] = {
1451 {"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1452};
1453#endif
1454
1455int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1456{
1457#if defined(CONFIG_DEBUG_FS)
1458 return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1459 ARRAY_SIZE(amdgpu_firmware_info_list));
1460#else
1461 return 0;
1462#endif
1463}