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[linux.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_kms.c
1 /*
2  * Copyright 2008 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  * Copyright 2009 Jerome Glisse.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  *          Jerome Glisse
27  */
28 #include <drm/drmP.h>
29 #include "amdgpu.h"
30 #include <drm/amdgpu_drm.h>
31 #include "amdgpu_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)
40 bool amdgpu_has_atpx(void);
41 #else
42 static 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  */
53 void amdgpu_driver_unload_kms(struct drm_device *dev)
54 {
55         struct amdgpu_device *adev = dev->dev_private;
56
57         if (adev == NULL)
58                 return;
59
60         if (adev->rmmio == NULL)
61                 goto done_free;
62
63         if (amdgpu_sriov_vf(adev))
64                 amdgpu_virt_request_full_gpu(adev, false);
65
66         if (amdgpu_device_is_px(dev)) {
67                 pm_runtime_get_sync(dev->dev);
68                 pm_runtime_forbid(dev->dev);
69         }
70
71         amdgpu_amdkfd_device_fini(adev);
72
73         amdgpu_acpi_fini(adev);
74
75         amdgpu_device_fini(adev);
76
77 done_free:
78         kfree(adev);
79         dev->dev_private = NULL;
80 }
81
82 /**
83  * amdgpu_driver_load_kms - Main load function for KMS.
84  *
85  * @dev: drm dev pointer
86  * @flags: device flags
87  *
88  * This is the main load function for KMS (all asics).
89  * Returns 0 on success, error on failure.
90  */
91 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
92 {
93         struct amdgpu_device *adev;
94         int r, acpi_status;
95
96         adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
97         if (adev == NULL) {
98                 return -ENOMEM;
99         }
100         dev->dev_private = (void *)adev;
101
102         if ((amdgpu_runtime_pm != 0) &&
103             amdgpu_has_atpx() &&
104             (amdgpu_is_atpx_hybrid() ||
105              amdgpu_has_atpx_dgpu_power_cntl()) &&
106             ((flags & AMD_IS_APU) == 0))
107                 flags |= AMD_IS_PX;
108
109         /* amdgpu_device_init should report only fatal error
110          * like memory allocation failure or iomapping failure,
111          * or memory manager initialization failure, it must
112          * properly initialize the GPU MC controller and permit
113          * VRAM allocation
114          */
115         r = amdgpu_device_init(adev, dev, dev->pdev, flags);
116         if (r) {
117                 dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
118                 goto out;
119         }
120
121         /* Call ACPI methods: require modeset init
122          * but failure is not fatal
123          */
124         if (!r) {
125                 acpi_status = amdgpu_acpi_init(adev);
126                 if (acpi_status)
127                 dev_dbg(&dev->pdev->dev,
128                                 "Error during ACPI methods call\n");
129         }
130
131         amdgpu_amdkfd_load_interface(adev);
132         amdgpu_amdkfd_device_probe(adev);
133         amdgpu_amdkfd_device_init(adev);
134
135         if (amdgpu_device_is_px(dev)) {
136                 pm_runtime_use_autosuspend(dev->dev);
137                 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
138                 pm_runtime_set_active(dev->dev);
139                 pm_runtime_allow(dev->dev);
140                 pm_runtime_mark_last_busy(dev->dev);
141                 pm_runtime_put_autosuspend(dev->dev);
142         }
143
144         if (amdgpu_sriov_vf(adev))
145                 amdgpu_virt_release_full_gpu(adev, true);
146
147 out:
148         if (r) {
149                 /* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
150                 if (adev->rmmio && amdgpu_device_is_px(dev))
151                         pm_runtime_put_noidle(dev->dev);
152                 amdgpu_driver_unload_kms(dev);
153         }
154
155         return r;
156 }
157
158 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
159                                 struct drm_amdgpu_query_fw *query_fw,
160                                 struct amdgpu_device *adev)
161 {
162         switch (query_fw->fw_type) {
163         case AMDGPU_INFO_FW_VCE:
164                 fw_info->ver = adev->vce.fw_version;
165                 fw_info->feature = adev->vce.fb_version;
166                 break;
167         case AMDGPU_INFO_FW_UVD:
168                 fw_info->ver = adev->uvd.fw_version;
169                 fw_info->feature = 0;
170                 break;
171         case AMDGPU_INFO_FW_GMC:
172                 fw_info->ver = adev->mc.fw_version;
173                 fw_info->feature = 0;
174                 break;
175         case AMDGPU_INFO_FW_GFX_ME:
176                 fw_info->ver = adev->gfx.me_fw_version;
177                 fw_info->feature = adev->gfx.me_feature_version;
178                 break;
179         case AMDGPU_INFO_FW_GFX_PFP:
180                 fw_info->ver = adev->gfx.pfp_fw_version;
181                 fw_info->feature = adev->gfx.pfp_feature_version;
182                 break;
183         case AMDGPU_INFO_FW_GFX_CE:
184                 fw_info->ver = adev->gfx.ce_fw_version;
185                 fw_info->feature = adev->gfx.ce_feature_version;
186                 break;
187         case AMDGPU_INFO_FW_GFX_RLC:
188                 fw_info->ver = adev->gfx.rlc_fw_version;
189                 fw_info->feature = adev->gfx.rlc_feature_version;
190                 break;
191         case AMDGPU_INFO_FW_GFX_MEC:
192                 if (query_fw->index == 0) {
193                         fw_info->ver = adev->gfx.mec_fw_version;
194                         fw_info->feature = adev->gfx.mec_feature_version;
195                 } else if (query_fw->index == 1) {
196                         fw_info->ver = adev->gfx.mec2_fw_version;
197                         fw_info->feature = adev->gfx.mec2_feature_version;
198                 } else
199                         return -EINVAL;
200                 break;
201         case AMDGPU_INFO_FW_SMC:
202                 fw_info->ver = adev->pm.fw_version;
203                 fw_info->feature = 0;
204                 break;
205         case AMDGPU_INFO_FW_SDMA:
206                 if (query_fw->index >= adev->sdma.num_instances)
207                         return -EINVAL;
208                 fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
209                 fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
210                 break;
211         default:
212                 return -EINVAL;
213         }
214         return 0;
215 }
216
217 /*
218  * Userspace get information ioctl
219  */
220 /**
221  * amdgpu_info_ioctl - answer a device specific request.
222  *
223  * @adev: amdgpu device pointer
224  * @data: request object
225  * @filp: drm filp
226  *
227  * This function is used to pass device specific parameters to the userspace
228  * drivers.  Examples include: pci device id, pipeline parms, tiling params,
229  * etc. (all asics).
230  * Returns 0 on success, -EINVAL on failure.
231  */
232 static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
233 {
234         struct amdgpu_device *adev = dev->dev_private;
235         struct drm_amdgpu_info *info = data;
236         struct amdgpu_mode_info *minfo = &adev->mode_info;
237         void __user *out = (void __user *)(long)info->return_pointer;
238         uint32_t size = info->return_size;
239         struct drm_crtc *crtc;
240         uint32_t ui32 = 0;
241         uint64_t ui64 = 0;
242         int i, found;
243
244         if (!info->return_size || !info->return_pointer)
245                 return -EINVAL;
246
247         switch (info->query) {
248         case AMDGPU_INFO_ACCEL_WORKING:
249                 ui32 = adev->accel_working;
250                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
251         case AMDGPU_INFO_CRTC_FROM_ID:
252                 for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
253                         crtc = (struct drm_crtc *)minfo->crtcs[i];
254                         if (crtc && crtc->base.id == info->mode_crtc.id) {
255                                 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
256                                 ui32 = amdgpu_crtc->crtc_id;
257                                 found = 1;
258                                 break;
259                         }
260                 }
261                 if (!found) {
262                         DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
263                         return -EINVAL;
264                 }
265                 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
266         case AMDGPU_INFO_HW_IP_INFO: {
267                 struct drm_amdgpu_info_hw_ip ip = {};
268                 enum amd_ip_block_type type;
269                 uint32_t ring_mask = 0;
270                 uint32_t ib_start_alignment = 0;
271                 uint32_t ib_size_alignment = 0;
272
273                 if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
274                         return -EINVAL;
275
276                 switch (info->query_hw_ip.type) {
277                 case AMDGPU_HW_IP_GFX:
278                         type = AMD_IP_BLOCK_TYPE_GFX;
279                         for (i = 0; i < adev->gfx.num_gfx_rings; i++)
280                                 ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i);
281                         ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
282                         ib_size_alignment = 8;
283                         break;
284                 case AMDGPU_HW_IP_COMPUTE:
285                         type = AMD_IP_BLOCK_TYPE_GFX;
286                         for (i = 0; i < adev->gfx.num_compute_rings; i++)
287                                 ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i);
288                         ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
289                         ib_size_alignment = 8;
290                         break;
291                 case AMDGPU_HW_IP_DMA:
292                         type = AMD_IP_BLOCK_TYPE_SDMA;
293                         for (i = 0; i < adev->sdma.num_instances; i++)
294                                 ring_mask |= ((adev->sdma.instance[i].ring.ready ? 1 : 0) << i);
295                         ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
296                         ib_size_alignment = 1;
297                         break;
298                 case AMDGPU_HW_IP_UVD:
299                         type = AMD_IP_BLOCK_TYPE_UVD;
300                         ring_mask = adev->uvd.ring.ready ? 1 : 0;
301                         ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
302                         ib_size_alignment = 16;
303                         break;
304                 case AMDGPU_HW_IP_VCE:
305                         type = AMD_IP_BLOCK_TYPE_VCE;
306                         for (i = 0; i < adev->vce.num_rings; i++)
307                                 ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
308                         ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
309                         ib_size_alignment = 1;
310                         break;
311                 default:
312                         return -EINVAL;
313                 }
314
315                 for (i = 0; i < adev->num_ip_blocks; i++) {
316                         if (adev->ip_blocks[i].version->type == type &&
317                             adev->ip_blocks[i].status.valid) {
318                                 ip.hw_ip_version_major = adev->ip_blocks[i].version->major;
319                                 ip.hw_ip_version_minor = adev->ip_blocks[i].version->minor;
320                                 ip.capabilities_flags = 0;
321                                 ip.available_rings = ring_mask;
322                                 ip.ib_start_alignment = ib_start_alignment;
323                                 ip.ib_size_alignment = ib_size_alignment;
324                                 break;
325                         }
326                 }
327                 return copy_to_user(out, &ip,
328                                     min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
329         }
330         case AMDGPU_INFO_HW_IP_COUNT: {
331                 enum amd_ip_block_type type;
332                 uint32_t count = 0;
333
334                 switch (info->query_hw_ip.type) {
335                 case AMDGPU_HW_IP_GFX:
336                         type = AMD_IP_BLOCK_TYPE_GFX;
337                         break;
338                 case AMDGPU_HW_IP_COMPUTE:
339                         type = AMD_IP_BLOCK_TYPE_GFX;
340                         break;
341                 case AMDGPU_HW_IP_DMA:
342                         type = AMD_IP_BLOCK_TYPE_SDMA;
343                         break;
344                 case AMDGPU_HW_IP_UVD:
345                         type = AMD_IP_BLOCK_TYPE_UVD;
346                         break;
347                 case AMDGPU_HW_IP_VCE:
348                         type = AMD_IP_BLOCK_TYPE_VCE;
349                         break;
350                 default:
351                         return -EINVAL;
352                 }
353
354                 for (i = 0; i < adev->num_ip_blocks; i++)
355                         if (adev->ip_blocks[i].version->type == type &&
356                             adev->ip_blocks[i].status.valid &&
357                             count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
358                                 count++;
359
360                 return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
361         }
362         case AMDGPU_INFO_TIMESTAMP:
363                 ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
364                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
365         case AMDGPU_INFO_FW_VERSION: {
366                 struct drm_amdgpu_info_firmware fw_info;
367                 int ret;
368
369                 /* We only support one instance of each IP block right now. */
370                 if (info->query_fw.ip_instance != 0)
371                         return -EINVAL;
372
373                 ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
374                 if (ret)
375                         return ret;
376
377                 return copy_to_user(out, &fw_info,
378                                     min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
379         }
380         case AMDGPU_INFO_NUM_BYTES_MOVED:
381                 ui64 = atomic64_read(&adev->num_bytes_moved);
382                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
383         case AMDGPU_INFO_NUM_EVICTIONS:
384                 ui64 = atomic64_read(&adev->num_evictions);
385                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
386         case AMDGPU_INFO_VRAM_USAGE:
387                 ui64 = atomic64_read(&adev->vram_usage);
388                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
389         case AMDGPU_INFO_VIS_VRAM_USAGE:
390                 ui64 = atomic64_read(&adev->vram_vis_usage);
391                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
392         case AMDGPU_INFO_GTT_USAGE:
393                 ui64 = atomic64_read(&adev->gtt_usage);
394                 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
395         case AMDGPU_INFO_GDS_CONFIG: {
396                 struct drm_amdgpu_info_gds gds_info;
397
398                 memset(&gds_info, 0, sizeof(gds_info));
399                 gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
400                 gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
401                 gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
402                 gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
403                 gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
404                 gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
405                 gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
406                 return copy_to_user(out, &gds_info,
407                                     min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
408         }
409         case AMDGPU_INFO_VRAM_GTT: {
410                 struct drm_amdgpu_info_vram_gtt vram_gtt;
411
412                 vram_gtt.vram_size = adev->mc.real_vram_size;
413                 vram_gtt.vram_size -= adev->vram_pin_size;
414                 vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size;
415                 vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
416                 vram_gtt.gtt_size  = adev->mc.gtt_size;
417                 vram_gtt.gtt_size -= adev->gart_pin_size;
418                 return copy_to_user(out, &vram_gtt,
419                                     min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
420         }
421         case AMDGPU_INFO_MEMORY: {
422                 struct drm_amdgpu_memory_info mem;
423
424                 memset(&mem, 0, sizeof(mem));
425                 mem.vram.total_heap_size = adev->mc.real_vram_size;
426                 mem.vram.usable_heap_size =
427                         adev->mc.real_vram_size - adev->vram_pin_size;
428                 mem.vram.heap_usage = atomic64_read(&adev->vram_usage);
429                 mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
430
431                 mem.cpu_accessible_vram.total_heap_size =
432                         adev->mc.visible_vram_size;
433                 mem.cpu_accessible_vram.usable_heap_size =
434                         adev->mc.visible_vram_size -
435                         (adev->vram_pin_size - adev->invisible_pin_size);
436                 mem.cpu_accessible_vram.heap_usage =
437                         atomic64_read(&adev->vram_vis_usage);
438                 mem.cpu_accessible_vram.max_allocation =
439                         mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
440
441                 mem.gtt.total_heap_size = adev->mc.gtt_size;
442                 mem.gtt.usable_heap_size =
443                         adev->mc.gtt_size - adev->gart_pin_size;
444                 mem.gtt.heap_usage = atomic64_read(&adev->gtt_usage);
445                 mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
446
447                 return copy_to_user(out, &mem,
448                                     min((size_t)size, sizeof(mem)))
449                                     ? -EFAULT : 0;
450         }
451         case AMDGPU_INFO_READ_MMR_REG: {
452                 unsigned n, alloc_size;
453                 uint32_t *regs;
454                 unsigned se_num = (info->read_mmr_reg.instance >>
455                                    AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
456                                   AMDGPU_INFO_MMR_SE_INDEX_MASK;
457                 unsigned sh_num = (info->read_mmr_reg.instance >>
458                                    AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
459                                   AMDGPU_INFO_MMR_SH_INDEX_MASK;
460
461                 /* set full masks if the userspace set all bits
462                  * in the bitfields */
463                 if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
464                         se_num = 0xffffffff;
465                 if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
466                         sh_num = 0xffffffff;
467
468                 regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
469                 if (!regs)
470                         return -ENOMEM;
471                 alloc_size = info->read_mmr_reg.count * sizeof(*regs);
472
473                 for (i = 0; i < info->read_mmr_reg.count; i++)
474                         if (amdgpu_asic_read_register(adev, se_num, sh_num,
475                                                       info->read_mmr_reg.dword_offset + i,
476                                                       &regs[i])) {
477                                 DRM_DEBUG_KMS("unallowed offset %#x\n",
478                                               info->read_mmr_reg.dword_offset + i);
479                                 kfree(regs);
480                                 return -EFAULT;
481                         }
482                 n = copy_to_user(out, regs, min(size, alloc_size));
483                 kfree(regs);
484                 return n ? -EFAULT : 0;
485         }
486         case AMDGPU_INFO_DEV_INFO: {
487                 struct drm_amdgpu_info_device dev_info = {};
488
489                 dev_info.device_id = dev->pdev->device;
490                 dev_info.chip_rev = adev->rev_id;
491                 dev_info.external_rev = adev->external_rev_id;
492                 dev_info.pci_rev = dev->pdev->revision;
493                 dev_info.family = adev->family;
494                 dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
495                 dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
496                 /* return all clocks in KHz */
497                 dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
498                 if (adev->pm.dpm_enabled) {
499                         dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
500                         dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
501                 } else {
502                         dev_info.max_engine_clock = adev->pm.default_sclk * 10;
503                         dev_info.max_memory_clock = adev->pm.default_mclk * 10;
504                 }
505                 dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
506                 dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
507                         adev->gfx.config.max_shader_engines;
508                 dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
509                 dev_info._pad = 0;
510                 dev_info.ids_flags = 0;
511                 if (adev->flags & AMD_IS_APU)
512                         dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
513                 if (amdgpu_sriov_vf(adev))
514                         dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
515                 dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
516                 dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
517                 dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
518                 dev_info.pte_fragment_size = (1 << AMDGPU_LOG2_PAGES_PER_FRAG) *
519                                              AMDGPU_GPU_PAGE_SIZE;
520                 dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
521
522                 dev_info.cu_active_number = adev->gfx.cu_info.number;
523                 dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
524                 dev_info.ce_ram_size = adev->gfx.ce_ram_size;
525                 memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
526                        sizeof(adev->gfx.cu_info.bitmap));
527                 dev_info.vram_type = adev->mc.vram_type;
528                 dev_info.vram_bit_width = adev->mc.vram_width;
529                 dev_info.vce_harvest_config = adev->vce.harvest_config;
530
531                 return copy_to_user(out, &dev_info,
532                                     min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
533         }
534         case AMDGPU_INFO_VCE_CLOCK_TABLE: {
535                 unsigned i;
536                 struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
537                 struct amd_vce_state *vce_state;
538
539                 for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
540                         vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
541                         if (vce_state) {
542                                 vce_clk_table.entries[i].sclk = vce_state->sclk;
543                                 vce_clk_table.entries[i].mclk = vce_state->mclk;
544                                 vce_clk_table.entries[i].eclk = vce_state->evclk;
545                                 vce_clk_table.num_valid_entries++;
546                         }
547                 }
548
549                 return copy_to_user(out, &vce_clk_table,
550                                     min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
551         }
552         case AMDGPU_INFO_VBIOS: {
553                 uint32_t bios_size = adev->bios_size;
554
555                 switch (info->vbios_info.type) {
556                 case AMDGPU_INFO_VBIOS_SIZE:
557                         return copy_to_user(out, &bios_size,
558                                         min((size_t)size, sizeof(bios_size)))
559                                         ? -EFAULT : 0;
560                 case AMDGPU_INFO_VBIOS_IMAGE: {
561                         uint8_t *bios;
562                         uint32_t bios_offset = info->vbios_info.offset;
563
564                         if (bios_offset >= bios_size)
565                                 return -EINVAL;
566
567                         bios = adev->bios + bios_offset;
568                         return copy_to_user(out, bios,
569                                             min((size_t)size, (size_t)(bios_size - bios_offset)))
570                                         ? -EFAULT : 0;
571                 }
572                 default:
573                         DRM_DEBUG_KMS("Invalid request %d\n",
574                                         info->vbios_info.type);
575                         return -EINVAL;
576                 }
577         }
578         case AMDGPU_INFO_NUM_HANDLES: {
579                 struct drm_amdgpu_info_num_handles handle;
580
581                 switch (info->query_hw_ip.type) {
582                 case AMDGPU_HW_IP_UVD:
583                         /* Starting Polaris, we support unlimited UVD handles */
584                         if (adev->asic_type < CHIP_POLARIS10) {
585                                 handle.uvd_max_handles = adev->uvd.max_handles;
586                                 handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
587
588                                 return copy_to_user(out, &handle,
589                                         min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
590                         } else {
591                                 return -ENODATA;
592                         }
593
594                         break;
595                 default:
596                         return -EINVAL;
597                 }
598         }
599         default:
600                 DRM_DEBUG_KMS("Invalid request %d\n", info->query);
601                 return -EINVAL;
602         }
603         return 0;
604 }
605
606
607 /*
608  * Outdated mess for old drm with Xorg being in charge (void function now).
609  */
610 /**
611  * amdgpu_driver_lastclose_kms - drm callback for last close
612  *
613  * @dev: drm dev pointer
614  *
615  * Switch vga_switcheroo state after last close (all asics).
616  */
617 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
618 {
619         struct amdgpu_device *adev = dev->dev_private;
620
621         amdgpu_fbdev_restore_mode(adev);
622         vga_switcheroo_process_delayed_switch();
623 }
624
625 /**
626  * amdgpu_driver_open_kms - drm callback for open
627  *
628  * @dev: drm dev pointer
629  * @file_priv: drm file
630  *
631  * On device open, init vm on cayman+ (all asics).
632  * Returns 0 on success, error on failure.
633  */
634 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
635 {
636         struct amdgpu_device *adev = dev->dev_private;
637         struct amdgpu_fpriv *fpriv;
638         int r;
639
640         file_priv->driver_priv = NULL;
641
642         r = pm_runtime_get_sync(dev->dev);
643         if (r < 0)
644                 return r;
645
646         fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
647         if (unlikely(!fpriv)) {
648                 r = -ENOMEM;
649                 goto out_suspend;
650         }
651
652         r = amdgpu_vm_init(adev, &fpriv->vm);
653         if (r) {
654                 kfree(fpriv);
655                 goto out_suspend;
656         }
657
658         if (amdgpu_sriov_vf(adev)) {
659                 r = amdgpu_map_static_csa(adev, &fpriv->vm);
660                 if (r)
661                         goto out_suspend;
662         }
663
664         mutex_init(&fpriv->bo_list_lock);
665         idr_init(&fpriv->bo_list_handles);
666
667         amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
668
669         file_priv->driver_priv = fpriv;
670
671 out_suspend:
672         pm_runtime_mark_last_busy(dev->dev);
673         pm_runtime_put_autosuspend(dev->dev);
674
675         return r;
676 }
677
678 /**
679  * amdgpu_driver_postclose_kms - drm callback for post close
680  *
681  * @dev: drm dev pointer
682  * @file_priv: drm file
683  *
684  * On device post close, tear down vm on cayman+ (all asics).
685  */
686 void amdgpu_driver_postclose_kms(struct drm_device *dev,
687                                  struct drm_file *file_priv)
688 {
689         struct amdgpu_device *adev = dev->dev_private;
690         struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
691         struct amdgpu_bo_list *list;
692         int handle;
693
694         if (!fpriv)
695                 return;
696
697         amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
698
699         amdgpu_uvd_free_handles(adev, file_priv);
700         amdgpu_vce_free_handles(adev, file_priv);
701
702         if (amdgpu_sriov_vf(adev)) {
703                 /* TODO: how to handle reserve failure */
704                 BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, false));
705                 amdgpu_vm_bo_rmv(adev, fpriv->vm.csa_bo_va);
706                 fpriv->vm.csa_bo_va = NULL;
707                 amdgpu_bo_unreserve(adev->virt.csa_obj);
708         }
709
710         amdgpu_vm_fini(adev, &fpriv->vm);
711
712         idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
713                 amdgpu_bo_list_free(list);
714
715         idr_destroy(&fpriv->bo_list_handles);
716         mutex_destroy(&fpriv->bo_list_lock);
717
718         kfree(fpriv);
719         file_priv->driver_priv = NULL;
720
721         pm_runtime_mark_last_busy(dev->dev);
722         pm_runtime_put_autosuspend(dev->dev);
723 }
724
725 /**
726  * amdgpu_driver_preclose_kms - drm callback for pre close
727  *
728  * @dev: drm dev pointer
729  * @file_priv: drm file
730  *
731  * On device pre close, tear down hyperz and cmask filps on r1xx-r5xx
732  * (all asics).
733  */
734 void amdgpu_driver_preclose_kms(struct drm_device *dev,
735                                 struct drm_file *file_priv)
736 {
737         pm_runtime_get_sync(dev->dev);
738 }
739
740 /*
741  * VBlank related functions.
742  */
743 /**
744  * amdgpu_get_vblank_counter_kms - get frame count
745  *
746  * @dev: drm dev pointer
747  * @pipe: crtc to get the frame count from
748  *
749  * Gets the frame count on the requested crtc (all asics).
750  * Returns frame count on success, -EINVAL on failure.
751  */
752 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
753 {
754         struct amdgpu_device *adev = dev->dev_private;
755         int vpos, hpos, stat;
756         u32 count;
757
758         if (pipe >= adev->mode_info.num_crtc) {
759                 DRM_ERROR("Invalid crtc %u\n", pipe);
760                 return -EINVAL;
761         }
762
763         /* The hw increments its frame counter at start of vsync, not at start
764          * of vblank, as is required by DRM core vblank counter handling.
765          * Cook the hw count here to make it appear to the caller as if it
766          * incremented at start of vblank. We measure distance to start of
767          * vblank in vpos. vpos therefore will be >= 0 between start of vblank
768          * and start of vsync, so vpos >= 0 means to bump the hw frame counter
769          * result by 1 to give the proper appearance to caller.
770          */
771         if (adev->mode_info.crtcs[pipe]) {
772                 /* Repeat readout if needed to provide stable result if
773                  * we cross start of vsync during the queries.
774                  */
775                 do {
776                         count = amdgpu_display_vblank_get_counter(adev, pipe);
777                         /* Ask amdgpu_get_crtc_scanoutpos to return vpos as
778                          * distance to start of vblank, instead of regular
779                          * vertical scanout pos.
780                          */
781                         stat = amdgpu_get_crtc_scanoutpos(
782                                 dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
783                                 &vpos, &hpos, NULL, NULL,
784                                 &adev->mode_info.crtcs[pipe]->base.hwmode);
785                 } while (count != amdgpu_display_vblank_get_counter(adev, pipe));
786
787                 if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
788                     (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
789                         DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
790                 } else {
791                         DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
792                                       pipe, vpos);
793
794                         /* Bump counter if we are at >= leading edge of vblank,
795                          * but before vsync where vpos would turn negative and
796                          * the hw counter really increments.
797                          */
798                         if (vpos >= 0)
799                                 count++;
800                 }
801         } else {
802                 /* Fallback to use value as is. */
803                 count = amdgpu_display_vblank_get_counter(adev, pipe);
804                 DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
805         }
806
807         return count;
808 }
809
810 /**
811  * amdgpu_enable_vblank_kms - enable vblank interrupt
812  *
813  * @dev: drm dev pointer
814  * @pipe: crtc to enable vblank interrupt for
815  *
816  * Enable the interrupt on the requested crtc (all asics).
817  * Returns 0 on success, -EINVAL on failure.
818  */
819 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
820 {
821         struct amdgpu_device *adev = dev->dev_private;
822         int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe);
823
824         return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
825 }
826
827 /**
828  * amdgpu_disable_vblank_kms - disable vblank interrupt
829  *
830  * @dev: drm dev pointer
831  * @pipe: crtc to disable vblank interrupt for
832  *
833  * Disable the interrupt on the requested crtc (all asics).
834  */
835 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
836 {
837         struct amdgpu_device *adev = dev->dev_private;
838         int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe);
839
840         amdgpu_irq_put(adev, &adev->crtc_irq, idx);
841 }
842
843 /**
844  * amdgpu_get_vblank_timestamp_kms - get vblank timestamp
845  *
846  * @dev: drm dev pointer
847  * @crtc: crtc to get the timestamp for
848  * @max_error: max error
849  * @vblank_time: time value
850  * @flags: flags passed to the driver
851  *
852  * Gets the timestamp on the requested crtc based on the
853  * scanout position.  (all asics).
854  * Returns postive status flags on success, negative error on failure.
855  */
856 int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
857                                     int *max_error,
858                                     struct timeval *vblank_time,
859                                     unsigned flags)
860 {
861         struct drm_crtc *crtc;
862         struct amdgpu_device *adev = dev->dev_private;
863
864         if (pipe >= dev->num_crtcs) {
865                 DRM_ERROR("Invalid crtc %u\n", pipe);
866                 return -EINVAL;
867         }
868
869         /* Get associated drm_crtc: */
870         crtc = &adev->mode_info.crtcs[pipe]->base;
871         if (!crtc) {
872                 /* This can occur on driver load if some component fails to
873                  * initialize completely and driver is unloaded */
874                 DRM_ERROR("Uninitialized crtc %d\n", pipe);
875                 return -EINVAL;
876         }
877
878         /* Helper routine in DRM core does all the work: */
879         return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
880                                                      vblank_time, flags,
881                                                      &crtc->hwmode);
882 }
883
884 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
885         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
886         DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
887         DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
888         /* KMS */
889         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
890         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
891         DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
892         DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
893         DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
894         DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
895         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
896         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
897         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
898         DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
899 };
900 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
901
902 /*
903  * Debugfs info
904  */
905 #if defined(CONFIG_DEBUG_FS)
906
907 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
908 {
909         struct drm_info_node *node = (struct drm_info_node *) m->private;
910         struct drm_device *dev = node->minor->dev;
911         struct amdgpu_device *adev = dev->dev_private;
912         struct drm_amdgpu_info_firmware fw_info;
913         struct drm_amdgpu_query_fw query_fw;
914         int ret, i;
915
916         /* VCE */
917         query_fw.fw_type = AMDGPU_INFO_FW_VCE;
918         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
919         if (ret)
920                 return ret;
921         seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
922                    fw_info.feature, fw_info.ver);
923
924         /* UVD */
925         query_fw.fw_type = AMDGPU_INFO_FW_UVD;
926         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
927         if (ret)
928                 return ret;
929         seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
930                    fw_info.feature, fw_info.ver);
931
932         /* GMC */
933         query_fw.fw_type = AMDGPU_INFO_FW_GMC;
934         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
935         if (ret)
936                 return ret;
937         seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
938                    fw_info.feature, fw_info.ver);
939
940         /* ME */
941         query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
942         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
943         if (ret)
944                 return ret;
945         seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
946                    fw_info.feature, fw_info.ver);
947
948         /* PFP */
949         query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
950         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
951         if (ret)
952                 return ret;
953         seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
954                    fw_info.feature, fw_info.ver);
955
956         /* CE */
957         query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
958         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
959         if (ret)
960                 return ret;
961         seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
962                    fw_info.feature, fw_info.ver);
963
964         /* RLC */
965         query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
966         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
967         if (ret)
968                 return ret;
969         seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
970                    fw_info.feature, fw_info.ver);
971
972         /* MEC */
973         query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
974         query_fw.index = 0;
975         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
976         if (ret)
977                 return ret;
978         seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
979                    fw_info.feature, fw_info.ver);
980
981         /* MEC2 */
982         if (adev->asic_type == CHIP_KAVERI ||
983             (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
984                 query_fw.index = 1;
985                 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
986                 if (ret)
987                         return ret;
988                 seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
989                            fw_info.feature, fw_info.ver);
990         }
991
992         /* SMC */
993         query_fw.fw_type = AMDGPU_INFO_FW_SMC;
994         ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
995         if (ret)
996                 return ret;
997         seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
998                    fw_info.feature, fw_info.ver);
999
1000         /* SDMA */
1001         query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
1002         for (i = 0; i < adev->sdma.num_instances; i++) {
1003                 query_fw.index = i;
1004                 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
1005                 if (ret)
1006                         return ret;
1007                 seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
1008                            i, fw_info.feature, fw_info.ver);
1009         }
1010
1011         return 0;
1012 }
1013
1014 static const struct drm_info_list amdgpu_firmware_info_list[] = {
1015         {"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
1016 };
1017 #endif
1018
1019 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
1020 {
1021 #if defined(CONFIG_DEBUG_FS)
1022         return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
1023                                         ARRAY_SIZE(amdgpu_firmware_info_list));
1024 #else
1025         return 0;
1026 #endif
1027 }
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