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[linux.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_gfx.c
1 /*
2  * Copyright 2014 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  */
25
26 #include <linux/firmware.h>
27 #include "amdgpu.h"
28 #include "amdgpu_gfx.h"
29 #include "amdgpu_rlc.h"
30 #include "amdgpu_ras.h"
31
32 /* delay 0.1 second to enable gfx off feature */
33 #define GFX_OFF_DELAY_ENABLE         msecs_to_jiffies(100)
34
35 #define GFX_OFF_NO_DELAY 0
36
37 /*
38  * GPU GFX IP block helpers function.
39  */
40
41 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
42                                 int pipe, int queue)
43 {
44         int bit = 0;
45
46         bit += mec * adev->gfx.mec.num_pipe_per_mec
47                 * adev->gfx.mec.num_queue_per_pipe;
48         bit += pipe * adev->gfx.mec.num_queue_per_pipe;
49         bit += queue;
50
51         return bit;
52 }
53
54 void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
55                                  int *mec, int *pipe, int *queue)
56 {
57         *queue = bit % adev->gfx.mec.num_queue_per_pipe;
58         *pipe = (bit / adev->gfx.mec.num_queue_per_pipe)
59                 % adev->gfx.mec.num_pipe_per_mec;
60         *mec = (bit / adev->gfx.mec.num_queue_per_pipe)
61                / adev->gfx.mec.num_pipe_per_mec;
62
63 }
64
65 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev,
66                                      int xcc_id, int mec, int pipe, int queue)
67 {
68         return test_bit(amdgpu_gfx_mec_queue_to_bit(adev, mec, pipe, queue),
69                         adev->gfx.mec_bitmap[xcc_id].queue_bitmap);
70 }
71
72 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev,
73                                int me, int pipe, int queue)
74 {
75         int bit = 0;
76
77         bit += me * adev->gfx.me.num_pipe_per_me
78                 * adev->gfx.me.num_queue_per_pipe;
79         bit += pipe * adev->gfx.me.num_queue_per_pipe;
80         bit += queue;
81
82         return bit;
83 }
84
85 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
86                                 int *me, int *pipe, int *queue)
87 {
88         *queue = bit % adev->gfx.me.num_queue_per_pipe;
89         *pipe = (bit / adev->gfx.me.num_queue_per_pipe)
90                 % adev->gfx.me.num_pipe_per_me;
91         *me = (bit / adev->gfx.me.num_queue_per_pipe)
92                 / adev->gfx.me.num_pipe_per_me;
93 }
94
95 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev,
96                                     int me, int pipe, int queue)
97 {
98         return test_bit(amdgpu_gfx_me_queue_to_bit(adev, me, pipe, queue),
99                         adev->gfx.me.queue_bitmap);
100 }
101
102 /**
103  * amdgpu_gfx_parse_disable_cu - Parse the disable_cu module parameter
104  *
105  * @mask: array in which the per-shader array disable masks will be stored
106  * @max_se: number of SEs
107  * @max_sh: number of SHs
108  *
109  * The bitmask of CUs to be disabled in the shader array determined by se and
110  * sh is stored in mask[se * max_sh + sh].
111  */
112 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se, unsigned max_sh)
113 {
114         unsigned se, sh, cu;
115         const char *p;
116
117         memset(mask, 0, sizeof(*mask) * max_se * max_sh);
118
119         if (!amdgpu_disable_cu || !*amdgpu_disable_cu)
120                 return;
121
122         p = amdgpu_disable_cu;
123         for (;;) {
124                 char *next;
125                 int ret = sscanf(p, "%u.%u.%u", &se, &sh, &cu);
126                 if (ret < 3) {
127                         DRM_ERROR("amdgpu: could not parse disable_cu\n");
128                         return;
129                 }
130
131                 if (se < max_se && sh < max_sh && cu < 16) {
132                         DRM_INFO("amdgpu: disabling CU %u.%u.%u\n", se, sh, cu);
133                         mask[se * max_sh + sh] |= 1u << cu;
134                 } else {
135                         DRM_ERROR("amdgpu: disable_cu %u.%u.%u is out of range\n",
136                                   se, sh, cu);
137                 }
138
139                 next = strchr(p, ',');
140                 if (!next)
141                         break;
142                 p = next + 1;
143         }
144 }
145
146 static bool amdgpu_gfx_is_graphics_multipipe_capable(struct amdgpu_device *adev)
147 {
148         return amdgpu_async_gfx_ring && adev->gfx.me.num_pipe_per_me > 1;
149 }
150
151 static bool amdgpu_gfx_is_compute_multipipe_capable(struct amdgpu_device *adev)
152 {
153         if (amdgpu_compute_multipipe != -1) {
154                 DRM_INFO("amdgpu: forcing compute pipe policy %d\n",
155                          amdgpu_compute_multipipe);
156                 return amdgpu_compute_multipipe == 1;
157         }
158
159         if (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0))
160                 return true;
161
162         /* FIXME: spreading the queues across pipes causes perf regressions
163          * on POLARIS11 compute workloads */
164         if (adev->asic_type == CHIP_POLARIS11)
165                 return false;
166
167         return adev->gfx.mec.num_mec > 1;
168 }
169
170 bool amdgpu_gfx_is_high_priority_graphics_queue(struct amdgpu_device *adev,
171                                                 struct amdgpu_ring *ring)
172 {
173         int queue = ring->queue;
174         int pipe = ring->pipe;
175
176         /* Policy: use pipe1 queue0 as high priority graphics queue if we
177          * have more than one gfx pipe.
178          */
179         if (amdgpu_gfx_is_graphics_multipipe_capable(adev) &&
180             adev->gfx.num_gfx_rings > 1 && pipe == 1 && queue == 0) {
181                 int me = ring->me;
182                 int bit;
183
184                 bit = amdgpu_gfx_me_queue_to_bit(adev, me, pipe, queue);
185                 if (ring == &adev->gfx.gfx_ring[bit])
186                         return true;
187         }
188
189         return false;
190 }
191
192 bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev,
193                                                struct amdgpu_ring *ring)
194 {
195         /* Policy: use 1st queue as high priority compute queue if we
196          * have more than one compute queue.
197          */
198         if (adev->gfx.num_compute_rings > 1 &&
199             ring == &adev->gfx.compute_ring[0])
200                 return true;
201
202         return false;
203 }
204
205 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev)
206 {
207         int i, j, queue, pipe;
208         bool multipipe_policy = amdgpu_gfx_is_compute_multipipe_capable(adev);
209         int max_queues_per_mec = min(adev->gfx.mec.num_pipe_per_mec *
210                                      adev->gfx.mec.num_queue_per_pipe,
211                                      adev->gfx.num_compute_rings);
212         int num_xcd = (adev->gfx.num_xcd > 1) ? adev->gfx.num_xcd : 1;
213
214         if (multipipe_policy) {
215                 /* policy: make queues evenly cross all pipes on MEC1 only
216                  * for multiple xcc, just use the original policy for simplicity */
217                 for (j = 0; j < num_xcd; j++) {
218                         for (i = 0; i < max_queues_per_mec; i++) {
219                                 pipe = i % adev->gfx.mec.num_pipe_per_mec;
220                                 queue = (i / adev->gfx.mec.num_pipe_per_mec) %
221                                          adev->gfx.mec.num_queue_per_pipe;
222
223                                 set_bit(pipe * adev->gfx.mec.num_queue_per_pipe + queue,
224                                         adev->gfx.mec_bitmap[j].queue_bitmap);
225                         }
226                 }
227         } else {
228                 /* policy: amdgpu owns all queues in the given pipe */
229                 for (j = 0; j < num_xcd; j++) {
230                         for (i = 0; i < max_queues_per_mec; ++i)
231                                 set_bit(i, adev->gfx.mec_bitmap[j].queue_bitmap);
232                 }
233         }
234
235         for (j = 0; j < num_xcd; j++) {
236                 dev_dbg(adev->dev, "mec queue bitmap weight=%d\n",
237                         bitmap_weight(adev->gfx.mec_bitmap[j].queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES));
238         }
239 }
240
241 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev)
242 {
243         int i, queue, pipe;
244         bool multipipe_policy = amdgpu_gfx_is_graphics_multipipe_capable(adev);
245         int max_queues_per_me = adev->gfx.me.num_pipe_per_me *
246                                         adev->gfx.me.num_queue_per_pipe;
247
248         if (multipipe_policy) {
249                 /* policy: amdgpu owns the first queue per pipe at this stage
250                  * will extend to mulitple queues per pipe later */
251                 for (i = 0; i < max_queues_per_me; i++) {
252                         pipe = i % adev->gfx.me.num_pipe_per_me;
253                         queue = (i / adev->gfx.me.num_pipe_per_me) %
254                                 adev->gfx.me.num_queue_per_pipe;
255
256                         set_bit(pipe * adev->gfx.me.num_queue_per_pipe + queue,
257                                 adev->gfx.me.queue_bitmap);
258                 }
259         } else {
260                 for (i = 0; i < max_queues_per_me; ++i)
261                         set_bit(i, adev->gfx.me.queue_bitmap);
262         }
263
264         /* update the number of active graphics rings */
265         adev->gfx.num_gfx_rings =
266                 bitmap_weight(adev->gfx.me.queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
267 }
268
269 static int amdgpu_gfx_kiq_acquire(struct amdgpu_device *adev,
270                                   struct amdgpu_ring *ring, int xcc_id)
271 {
272         int queue_bit;
273         int mec, pipe, queue;
274
275         queue_bit = adev->gfx.mec.num_mec
276                     * adev->gfx.mec.num_pipe_per_mec
277                     * adev->gfx.mec.num_queue_per_pipe;
278
279         while (--queue_bit >= 0) {
280                 if (test_bit(queue_bit, adev->gfx.mec_bitmap[xcc_id].queue_bitmap))
281                         continue;
282
283                 amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
284
285                 /*
286                  * 1. Using pipes 2/3 from MEC 2 seems cause problems.
287                  * 2. It must use queue id 0, because CGPG_IDLE/SAVE/LOAD/RUN
288                  * only can be issued on queue 0.
289                  */
290                 if ((mec == 1 && pipe > 1) || queue != 0)
291                         continue;
292
293                 ring->me = mec + 1;
294                 ring->pipe = pipe;
295                 ring->queue = queue;
296
297                 return 0;
298         }
299
300         dev_err(adev->dev, "Failed to find a queue for KIQ\n");
301         return -EINVAL;
302 }
303
304 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
305                              struct amdgpu_ring *ring,
306                              struct amdgpu_irq_src *irq, int xcc_id)
307 {
308         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
309         int r = 0;
310
311         spin_lock_init(&kiq->ring_lock);
312
313         ring->adev = NULL;
314         ring->ring_obj = NULL;
315         ring->use_doorbell = true;
316         ring->doorbell_index = adev->doorbell_index.kiq;
317         ring->xcc_id = xcc_id;
318         ring->vm_hub = AMDGPU_GFXHUB_0;
319         if (xcc_id >= 1)
320                 ring->doorbell_index = adev->doorbell_index.xcc1_kiq_start +
321                                         xcc_id - 1;
322         else
323                 ring->doorbell_index = adev->doorbell_index.kiq;
324
325         r = amdgpu_gfx_kiq_acquire(adev, ring, xcc_id);
326         if (r)
327                 return r;
328
329         ring->eop_gpu_addr = kiq->eop_gpu_addr;
330         ring->no_scheduler = true;
331         sprintf(ring->name, "kiq_%d.%d.%d.%d", xcc_id, ring->me, ring->pipe, ring->queue);
332         r = amdgpu_ring_init(adev, ring, 1024, irq, AMDGPU_CP_KIQ_IRQ_DRIVER0,
333                              AMDGPU_RING_PRIO_DEFAULT, NULL);
334         if (r)
335                 dev_warn(adev->dev, "(%d) failed to init kiq ring\n", r);
336
337         return r;
338 }
339
340 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring)
341 {
342         amdgpu_ring_fini(ring);
343 }
344
345 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev, int xcc_id)
346 {
347         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
348
349         amdgpu_bo_free_kernel(&kiq->eop_obj, &kiq->eop_gpu_addr, NULL);
350 }
351
352 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
353                         unsigned hpd_size, int xcc_id)
354 {
355         int r;
356         u32 *hpd;
357         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
358
359         r = amdgpu_bo_create_kernel(adev, hpd_size, PAGE_SIZE,
360                                     AMDGPU_GEM_DOMAIN_GTT, &kiq->eop_obj,
361                                     &kiq->eop_gpu_addr, (void **)&hpd);
362         if (r) {
363                 dev_warn(adev->dev, "failed to create KIQ bo (%d).\n", r);
364                 return r;
365         }
366
367         memset(hpd, 0, hpd_size);
368
369         r = amdgpu_bo_reserve(kiq->eop_obj, true);
370         if (unlikely(r != 0))
371                 dev_warn(adev->dev, "(%d) reserve kiq eop bo failed\n", r);
372         amdgpu_bo_kunmap(kiq->eop_obj);
373         amdgpu_bo_unreserve(kiq->eop_obj);
374
375         return 0;
376 }
377
378 /* create MQD for each compute/gfx queue */
379 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
380                            unsigned mqd_size, int xcc_id)
381 {
382         int r, i, j;
383         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
384         struct amdgpu_ring *ring = &kiq->ring;
385
386         /* create MQD for KIQ */
387         if (!adev->enable_mes_kiq && !ring->mqd_obj) {
388                 /* originaly the KIQ MQD is put in GTT domain, but for SRIOV VRAM domain is a must
389                  * otherwise hypervisor trigger SAVE_VF fail after driver unloaded which mean MQD
390                  * deallocated and gart_unbind, to strict diverage we decide to use VRAM domain for
391                  * KIQ MQD no matter SRIOV or Bare-metal
392                  */
393                 r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
394                                             AMDGPU_GEM_DOMAIN_VRAM |
395                                             AMDGPU_GEM_DOMAIN_GTT,
396                                             &ring->mqd_obj,
397                                             &ring->mqd_gpu_addr,
398                                             &ring->mqd_ptr);
399                 if (r) {
400                         dev_warn(adev->dev, "failed to create ring mqd ob (%d)", r);
401                         return r;
402                 }
403
404                 /* prepare MQD backup */
405                 kiq->mqd_backup = kmalloc(mqd_size, GFP_KERNEL);
406                 if (!kiq->mqd_backup)
407                                 dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
408         }
409
410         if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) {
411                 /* create MQD for each KGQ */
412                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
413                         ring = &adev->gfx.gfx_ring[i];
414                         if (!ring->mqd_obj) {
415                                 r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
416                                                             AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
417                                                             &ring->mqd_gpu_addr, &ring->mqd_ptr);
418                                 if (r) {
419                                         dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
420                                         return r;
421                                 }
422
423                                 ring->mqd_size = mqd_size;
424                                 /* prepare MQD backup */
425                                 adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL);
426                                 if (!adev->gfx.me.mqd_backup[i])
427                                         dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
428                         }
429                 }
430         }
431
432         /* create MQD for each KCQ */
433         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
434                 j = i + xcc_id * adev->gfx.num_compute_rings;
435                 ring = &adev->gfx.compute_ring[j];
436                 if (!ring->mqd_obj) {
437                         r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
438                                                     AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
439                                                     &ring->mqd_gpu_addr, &ring->mqd_ptr);
440                         if (r) {
441                                 dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
442                                 return r;
443                         }
444
445                         ring->mqd_size = mqd_size;
446                         /* prepare MQD backup */
447                         adev->gfx.mec.mqd_backup[j] = kmalloc(mqd_size, GFP_KERNEL);
448                         if (!adev->gfx.mec.mqd_backup[j])
449                                 dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
450                 }
451         }
452
453         return 0;
454 }
455
456 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev, int xcc_id)
457 {
458         struct amdgpu_ring *ring = NULL;
459         int i, j;
460         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
461
462         if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) {
463                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
464                         ring = &adev->gfx.gfx_ring[i];
465                         kfree(adev->gfx.me.mqd_backup[i]);
466                         amdgpu_bo_free_kernel(&ring->mqd_obj,
467                                               &ring->mqd_gpu_addr,
468                                               &ring->mqd_ptr);
469                 }
470         }
471
472         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
473                 j = i + xcc_id * adev->gfx.num_compute_rings;
474                 ring = &adev->gfx.compute_ring[j];
475                 kfree(adev->gfx.mec.mqd_backup[j]);
476                 amdgpu_bo_free_kernel(&ring->mqd_obj,
477                                       &ring->mqd_gpu_addr,
478                                       &ring->mqd_ptr);
479         }
480
481         ring = &kiq->ring;
482         kfree(kiq->mqd_backup);
483         kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]);
484         amdgpu_bo_free_kernel(&ring->mqd_obj,
485                               &ring->mqd_gpu_addr,
486                               &ring->mqd_ptr);
487 }
488
489 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev, int xcc_id)
490 {
491         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
492         struct amdgpu_ring *kiq_ring = &kiq->ring;
493         int i, r = 0;
494         int j;
495
496         if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
497                 return -EINVAL;
498
499         spin_lock(&kiq->ring_lock);
500         if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) {
501                 if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size *
502                                                 adev->gfx.num_compute_rings)) {
503                         spin_unlock(&kiq->ring_lock);
504                         return -ENOMEM;
505                 }
506
507                 for (i = 0; i < adev->gfx.num_compute_rings; i++) {
508                         j = i + xcc_id * adev->gfx.num_compute_rings;
509                         kiq->pmf->kiq_unmap_queues(kiq_ring,
510                                                    &adev->gfx.compute_ring[i],
511                                                    RESET_QUEUES, 0, 0);
512                 }
513         }
514
515         if (adev->gfx.kiq[0].ring.sched.ready && !adev->job_hang)
516                 r = amdgpu_ring_test_helper(kiq_ring);
517         spin_unlock(&kiq->ring_lock);
518
519         return r;
520 }
521
522 int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev,
523                                         int queue_bit)
524 {
525         int mec, pipe, queue;
526         int set_resource_bit = 0;
527
528         amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
529
530         set_resource_bit = mec * 4 * 8 + pipe * 8 + queue;
531
532         return set_resource_bit;
533 }
534
535 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev, int xcc_id)
536 {
537         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
538         struct amdgpu_ring *kiq_ring = &kiq->ring;
539         uint64_t queue_mask = 0;
540         int r, i, j;
541
542         if (!kiq->pmf || !kiq->pmf->kiq_map_queues || !kiq->pmf->kiq_set_resources)
543                 return -EINVAL;
544
545         for (i = 0; i < AMDGPU_MAX_COMPUTE_QUEUES; ++i) {
546                 if (!test_bit(i, adev->gfx.mec_bitmap[xcc_id].queue_bitmap))
547                         continue;
548
549                 /* This situation may be hit in the future if a new HW
550                  * generation exposes more than 64 queues. If so, the
551                  * definition of queue_mask needs updating */
552                 if (WARN_ON(i > (sizeof(queue_mask)*8))) {
553                         DRM_ERROR("Invalid KCQ enabled: %d\n", i);
554                         break;
555                 }
556
557                 queue_mask |= (1ull << amdgpu_queue_mask_bit_to_set_resource_bit(adev, i));
558         }
559
560         DRM_INFO("kiq ring mec %d pipe %d q %d\n", kiq_ring->me, kiq_ring->pipe,
561                                                         kiq_ring->queue);
562         spin_lock(&kiq->ring_lock);
563         /* No need to map kcq on the slave */
564         if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) {
565                 r = amdgpu_ring_alloc(kiq_ring, kiq->pmf->map_queues_size *
566                                                 adev->gfx.num_compute_rings +
567                                                 kiq->pmf->set_resources_size);
568                 if (r) {
569                         DRM_ERROR("Failed to lock KIQ (%d).\n", r);
570                         spin_unlock(&adev->gfx.kiq[0].ring_lock);
571                         return r;
572                 }
573
574                 if (adev->enable_mes)
575                         queue_mask = ~0ULL;
576
577                 kiq->pmf->kiq_set_resources(kiq_ring, queue_mask);
578                 for (i = 0; i < adev->gfx.num_compute_rings; i++) {
579                         j = i + xcc_id * adev->gfx.num_compute_rings;
580                         kiq->pmf->kiq_map_queues(kiq_ring,
581                                                  &adev->gfx.compute_ring[i]);
582                 }
583         }
584
585         r = amdgpu_ring_test_helper(kiq_ring);
586         spin_unlock(&kiq->ring_lock);
587         if (r)
588                 DRM_ERROR("KCQ enable failed\n");
589
590         return r;
591 }
592
593 /* amdgpu_gfx_off_ctrl - Handle gfx off feature enable/disable
594  *
595  * @adev: amdgpu_device pointer
596  * @bool enable true: enable gfx off feature, false: disable gfx off feature
597  *
598  * 1. gfx off feature will be enabled by gfx ip after gfx cg gp enabled.
599  * 2. other client can send request to disable gfx off feature, the request should be honored.
600  * 3. other client can cancel their request of disable gfx off feature
601  * 4. other client should not send request to enable gfx off feature before disable gfx off feature.
602  */
603
604 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
605 {
606         unsigned long delay = GFX_OFF_DELAY_ENABLE;
607
608         if (!(adev->pm.pp_feature & PP_GFXOFF_MASK))
609                 return;
610
611         mutex_lock(&adev->gfx.gfx_off_mutex);
612
613         if (enable) {
614                 /* If the count is already 0, it means there's an imbalance bug somewhere.
615                  * Note that the bug may be in a different caller than the one which triggers the
616                  * WARN_ON_ONCE.
617                  */
618                 if (WARN_ON_ONCE(adev->gfx.gfx_off_req_count == 0))
619                         goto unlock;
620
621                 adev->gfx.gfx_off_req_count--;
622
623                 if (adev->gfx.gfx_off_req_count == 0 &&
624                     !adev->gfx.gfx_off_state) {
625                         /* If going to s2idle, no need to wait */
626                         if (adev->in_s0ix) {
627                                 if (!amdgpu_dpm_set_powergating_by_smu(adev,
628                                                 AMD_IP_BLOCK_TYPE_GFX, true))
629                                         adev->gfx.gfx_off_state = true;
630                         } else {
631                                 schedule_delayed_work(&adev->gfx.gfx_off_delay_work,
632                                               delay);
633                         }
634                 }
635         } else {
636                 if (adev->gfx.gfx_off_req_count == 0) {
637                         cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work);
638
639                         if (adev->gfx.gfx_off_state &&
640                             !amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false)) {
641                                 adev->gfx.gfx_off_state = false;
642
643                                 if (adev->gfx.funcs->init_spm_golden) {
644                                         dev_dbg(adev->dev,
645                                                 "GFXOFF is disabled, re-init SPM golden settings\n");
646                                         amdgpu_gfx_init_spm_golden(adev);
647                                 }
648                         }
649                 }
650
651                 adev->gfx.gfx_off_req_count++;
652         }
653
654 unlock:
655         mutex_unlock(&adev->gfx.gfx_off_mutex);
656 }
657
658 int amdgpu_set_gfx_off_residency(struct amdgpu_device *adev, bool value)
659 {
660         int r = 0;
661
662         mutex_lock(&adev->gfx.gfx_off_mutex);
663
664         r = amdgpu_dpm_set_residency_gfxoff(adev, value);
665
666         mutex_unlock(&adev->gfx.gfx_off_mutex);
667
668         return r;
669 }
670
671 int amdgpu_get_gfx_off_residency(struct amdgpu_device *adev, u32 *value)
672 {
673         int r = 0;
674
675         mutex_lock(&adev->gfx.gfx_off_mutex);
676
677         r = amdgpu_dpm_get_residency_gfxoff(adev, value);
678
679         mutex_unlock(&adev->gfx.gfx_off_mutex);
680
681         return r;
682 }
683
684 int amdgpu_get_gfx_off_entrycount(struct amdgpu_device *adev, u64 *value)
685 {
686         int r = 0;
687
688         mutex_lock(&adev->gfx.gfx_off_mutex);
689
690         r = amdgpu_dpm_get_entrycount_gfxoff(adev, value);
691
692         mutex_unlock(&adev->gfx.gfx_off_mutex);
693
694         return r;
695 }
696
697 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value)
698 {
699
700         int r = 0;
701
702         mutex_lock(&adev->gfx.gfx_off_mutex);
703
704         r = amdgpu_dpm_get_status_gfxoff(adev, value);
705
706         mutex_unlock(&adev->gfx.gfx_off_mutex);
707
708         return r;
709 }
710
711 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
712 {
713         int r;
714
715         if (amdgpu_ras_is_supported(adev, ras_block->block)) {
716                 if (!amdgpu_persistent_edc_harvesting_supported(adev))
717                         amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
718
719                 r = amdgpu_ras_block_late_init(adev, ras_block);
720                 if (r)
721                         return r;
722
723                 r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
724                 if (r)
725                         goto late_fini;
726         } else {
727                 amdgpu_ras_feature_enable_on_boot(adev, ras_block, 0);
728         }
729
730         return 0;
731 late_fini:
732         amdgpu_ras_block_late_fini(adev, ras_block);
733         return r;
734 }
735
736 int amdgpu_gfx_ras_sw_init(struct amdgpu_device *adev)
737 {
738         int err = 0;
739         struct amdgpu_gfx_ras *ras = NULL;
740
741         /* adev->gfx.ras is NULL, which means gfx does not
742          * support ras function, then do nothing here.
743          */
744         if (!adev->gfx.ras)
745                 return 0;
746
747         ras = adev->gfx.ras;
748
749         err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
750         if (err) {
751                 dev_err(adev->dev, "Failed to register gfx ras block!\n");
752                 return err;
753         }
754
755         strcpy(ras->ras_block.ras_comm.name, "gfx");
756         ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__GFX;
757         ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
758         adev->gfx.ras_if = &ras->ras_block.ras_comm;
759
760         /* If not define special ras_late_init function, use gfx default ras_late_init */
761         if (!ras->ras_block.ras_late_init)
762                 ras->ras_block.ras_late_init = amdgpu_gfx_ras_late_init;
763
764         /* If not defined special ras_cb function, use default ras_cb */
765         if (!ras->ras_block.ras_cb)
766                 ras->ras_block.ras_cb = amdgpu_gfx_process_ras_data_cb;
767
768         return 0;
769 }
770
771 int amdgpu_gfx_poison_consumption_handler(struct amdgpu_device *adev,
772                                                 struct amdgpu_iv_entry *entry)
773 {
774         if (adev->gfx.ras && adev->gfx.ras->poison_consumption_handler)
775                 return adev->gfx.ras->poison_consumption_handler(adev, entry);
776
777         return 0;
778 }
779
780 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
781                 void *err_data,
782                 struct amdgpu_iv_entry *entry)
783 {
784         /* TODO ue will trigger an interrupt.
785          *
786          * When “Full RAS” is enabled, the per-IP interrupt sources should
787          * be disabled and the driver should only look for the aggregated
788          * interrupt via sync flood
789          */
790         if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) {
791                 kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
792                 if (adev->gfx.ras && adev->gfx.ras->ras_block.hw_ops &&
793                     adev->gfx.ras->ras_block.hw_ops->query_ras_error_count)
794                         adev->gfx.ras->ras_block.hw_ops->query_ras_error_count(adev, err_data);
795                 amdgpu_ras_reset_gpu(adev);
796         }
797         return AMDGPU_RAS_SUCCESS;
798 }
799
800 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
801                                   struct amdgpu_irq_src *source,
802                                   struct amdgpu_iv_entry *entry)
803 {
804         struct ras_common_if *ras_if = adev->gfx.ras_if;
805         struct ras_dispatch_if ih_data = {
806                 .entry = entry,
807         };
808
809         if (!ras_if)
810                 return 0;
811
812         ih_data.head = *ras_if;
813
814         DRM_ERROR("CP ECC ERROR IRQ\n");
815         amdgpu_ras_interrupt_dispatch(adev, &ih_data);
816         return 0;
817 }
818
819 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
820 {
821         signed long r, cnt = 0;
822         unsigned long flags;
823         uint32_t seq, reg_val_offs = 0, value = 0;
824         struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
825         struct amdgpu_ring *ring = &kiq->ring;
826
827         if (amdgpu_device_skip_hw_access(adev))
828                 return 0;
829
830         if (adev->mes.ring.sched.ready)
831                 return amdgpu_mes_rreg(adev, reg);
832
833         BUG_ON(!ring->funcs->emit_rreg);
834
835         spin_lock_irqsave(&kiq->ring_lock, flags);
836         if (amdgpu_device_wb_get(adev, &reg_val_offs)) {
837                 pr_err("critical bug! too many kiq readers\n");
838                 goto failed_unlock;
839         }
840         amdgpu_ring_alloc(ring, 32);
841         amdgpu_ring_emit_rreg(ring, reg, reg_val_offs);
842         r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
843         if (r)
844                 goto failed_undo;
845
846         amdgpu_ring_commit(ring);
847         spin_unlock_irqrestore(&kiq->ring_lock, flags);
848
849         r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
850
851         /* don't wait anymore for gpu reset case because this way may
852          * block gpu_recover() routine forever, e.g. this virt_kiq_rreg
853          * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will
854          * never return if we keep waiting in virt_kiq_rreg, which cause
855          * gpu_recover() hang there.
856          *
857          * also don't wait anymore for IRQ context
858          * */
859         if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt()))
860                 goto failed_kiq_read;
861
862         might_sleep();
863         while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
864                 msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
865                 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
866         }
867
868         if (cnt > MAX_KIQ_REG_TRY)
869                 goto failed_kiq_read;
870
871         mb();
872         value = adev->wb.wb[reg_val_offs];
873         amdgpu_device_wb_free(adev, reg_val_offs);
874         return value;
875
876 failed_undo:
877         amdgpu_ring_undo(ring);
878 failed_unlock:
879         spin_unlock_irqrestore(&kiq->ring_lock, flags);
880 failed_kiq_read:
881         if (reg_val_offs)
882                 amdgpu_device_wb_free(adev, reg_val_offs);
883         dev_err(adev->dev, "failed to read reg:%x\n", reg);
884         return ~0;
885 }
886
887 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
888 {
889         signed long r, cnt = 0;
890         unsigned long flags;
891         uint32_t seq;
892         struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
893         struct amdgpu_ring *ring = &kiq->ring;
894
895         BUG_ON(!ring->funcs->emit_wreg);
896
897         if (amdgpu_device_skip_hw_access(adev))
898                 return;
899
900         if (adev->mes.ring.sched.ready) {
901                 amdgpu_mes_wreg(adev, reg, v);
902                 return;
903         }
904
905         spin_lock_irqsave(&kiq->ring_lock, flags);
906         amdgpu_ring_alloc(ring, 32);
907         amdgpu_ring_emit_wreg(ring, reg, v);
908         r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
909         if (r)
910                 goto failed_undo;
911
912         amdgpu_ring_commit(ring);
913         spin_unlock_irqrestore(&kiq->ring_lock, flags);
914
915         r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
916
917         /* don't wait anymore for gpu reset case because this way may
918          * block gpu_recover() routine forever, e.g. this virt_kiq_rreg
919          * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will
920          * never return if we keep waiting in virt_kiq_rreg, which cause
921          * gpu_recover() hang there.
922          *
923          * also don't wait anymore for IRQ context
924          * */
925         if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt()))
926                 goto failed_kiq_write;
927
928         might_sleep();
929         while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
930
931                 msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
932                 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
933         }
934
935         if (cnt > MAX_KIQ_REG_TRY)
936                 goto failed_kiq_write;
937
938         return;
939
940 failed_undo:
941         amdgpu_ring_undo(ring);
942         spin_unlock_irqrestore(&kiq->ring_lock, flags);
943 failed_kiq_write:
944         dev_err(adev->dev, "failed to write reg:%x\n", reg);
945 }
946
947 int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev)
948 {
949         if (amdgpu_num_kcq == -1) {
950                 return 8;
951         } else if (amdgpu_num_kcq > 8 || amdgpu_num_kcq < 0) {
952                 dev_warn(adev->dev, "set kernel compute queue number to 8 due to invalid parameter provided by user\n");
953                 return 8;
954         }
955         return amdgpu_num_kcq;
956 }
957
958 void amdgpu_gfx_cp_init_microcode(struct amdgpu_device *adev,
959                                   uint32_t ucode_id)
960 {
961         const struct gfx_firmware_header_v1_0 *cp_hdr;
962         const struct gfx_firmware_header_v2_0 *cp_hdr_v2_0;
963         struct amdgpu_firmware_info *info = NULL;
964         const struct firmware *ucode_fw;
965         unsigned int fw_size;
966
967         switch (ucode_id) {
968         case AMDGPU_UCODE_ID_CP_PFP:
969                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
970                         adev->gfx.pfp_fw->data;
971                 adev->gfx.pfp_fw_version =
972                         le32_to_cpu(cp_hdr->header.ucode_version);
973                 adev->gfx.pfp_feature_version =
974                         le32_to_cpu(cp_hdr->ucode_feature_version);
975                 ucode_fw = adev->gfx.pfp_fw;
976                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
977                 break;
978         case AMDGPU_UCODE_ID_CP_RS64_PFP:
979                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
980                         adev->gfx.pfp_fw->data;
981                 adev->gfx.pfp_fw_version =
982                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
983                 adev->gfx.pfp_feature_version =
984                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
985                 ucode_fw = adev->gfx.pfp_fw;
986                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
987                 break;
988         case AMDGPU_UCODE_ID_CP_RS64_PFP_P0_STACK:
989         case AMDGPU_UCODE_ID_CP_RS64_PFP_P1_STACK:
990                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
991                         adev->gfx.pfp_fw->data;
992                 ucode_fw = adev->gfx.pfp_fw;
993                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
994                 break;
995         case AMDGPU_UCODE_ID_CP_ME:
996                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
997                         adev->gfx.me_fw->data;
998                 adev->gfx.me_fw_version =
999                         le32_to_cpu(cp_hdr->header.ucode_version);
1000                 adev->gfx.me_feature_version =
1001                         le32_to_cpu(cp_hdr->ucode_feature_version);
1002                 ucode_fw = adev->gfx.me_fw;
1003                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1004                 break;
1005         case AMDGPU_UCODE_ID_CP_RS64_ME:
1006                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1007                         adev->gfx.me_fw->data;
1008                 adev->gfx.me_fw_version =
1009                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1010                 adev->gfx.me_feature_version =
1011                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1012                 ucode_fw = adev->gfx.me_fw;
1013                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1014                 break;
1015         case AMDGPU_UCODE_ID_CP_RS64_ME_P0_STACK:
1016         case AMDGPU_UCODE_ID_CP_RS64_ME_P1_STACK:
1017                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1018                         adev->gfx.me_fw->data;
1019                 ucode_fw = adev->gfx.me_fw;
1020                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1021                 break;
1022         case AMDGPU_UCODE_ID_CP_CE:
1023                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1024                         adev->gfx.ce_fw->data;
1025                 adev->gfx.ce_fw_version =
1026                         le32_to_cpu(cp_hdr->header.ucode_version);
1027                 adev->gfx.ce_feature_version =
1028                         le32_to_cpu(cp_hdr->ucode_feature_version);
1029                 ucode_fw = adev->gfx.ce_fw;
1030                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1031                 break;
1032         case AMDGPU_UCODE_ID_CP_MEC1:
1033                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1034                         adev->gfx.mec_fw->data;
1035                 adev->gfx.mec_fw_version =
1036                         le32_to_cpu(cp_hdr->header.ucode_version);
1037                 adev->gfx.mec_feature_version =
1038                         le32_to_cpu(cp_hdr->ucode_feature_version);
1039                 ucode_fw = adev->gfx.mec_fw;
1040                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) -
1041                           le32_to_cpu(cp_hdr->jt_size) * 4;
1042                 break;
1043         case AMDGPU_UCODE_ID_CP_MEC1_JT:
1044                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1045                         adev->gfx.mec_fw->data;
1046                 ucode_fw = adev->gfx.mec_fw;
1047                 fw_size = le32_to_cpu(cp_hdr->jt_size) * 4;
1048                 break;
1049         case AMDGPU_UCODE_ID_CP_MEC2:
1050                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1051                         adev->gfx.mec2_fw->data;
1052                 adev->gfx.mec2_fw_version =
1053                         le32_to_cpu(cp_hdr->header.ucode_version);
1054                 adev->gfx.mec2_feature_version =
1055                         le32_to_cpu(cp_hdr->ucode_feature_version);
1056                 ucode_fw = adev->gfx.mec2_fw;
1057                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) -
1058                           le32_to_cpu(cp_hdr->jt_size) * 4;
1059                 break;
1060         case AMDGPU_UCODE_ID_CP_MEC2_JT:
1061                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1062                         adev->gfx.mec2_fw->data;
1063                 ucode_fw = adev->gfx.mec2_fw;
1064                 fw_size = le32_to_cpu(cp_hdr->jt_size) * 4;
1065                 break;
1066         case AMDGPU_UCODE_ID_CP_RS64_MEC:
1067                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1068                         adev->gfx.mec_fw->data;
1069                 adev->gfx.mec_fw_version =
1070                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1071                 adev->gfx.mec_feature_version =
1072                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1073                 ucode_fw = adev->gfx.mec_fw;
1074                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1075                 break;
1076         case AMDGPU_UCODE_ID_CP_RS64_MEC_P0_STACK:
1077         case AMDGPU_UCODE_ID_CP_RS64_MEC_P1_STACK:
1078         case AMDGPU_UCODE_ID_CP_RS64_MEC_P2_STACK:
1079         case AMDGPU_UCODE_ID_CP_RS64_MEC_P3_STACK:
1080                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1081                         adev->gfx.mec_fw->data;
1082                 ucode_fw = adev->gfx.mec_fw;
1083                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1084                 break;
1085         default:
1086                 break;
1087         }
1088
1089         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1090                 info = &adev->firmware.ucode[ucode_id];
1091                 info->ucode_id = ucode_id;
1092                 info->fw = ucode_fw;
1093                 adev->firmware.fw_size += ALIGN(fw_size, PAGE_SIZE);
1094         }
1095 }
1096
1097 bool amdgpu_gfx_is_master_xcc(struct amdgpu_device *adev, int xcc_id)
1098 {
1099         return !(xcc_id % (adev->gfx.num_xcc_per_xcp ?
1100                         adev->gfx.num_xcc_per_xcp : 1));
1101 }
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