drm/amdgpu: track MQD size for gfx and compute
[platform/kernel/linux-starfive.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;
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                 ring = &adev->gfx.compute_ring[i + xcc_id * adev->gfx.num_compute_rings];
435                 if (!ring->mqd_obj) {
436                         r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
437                                                     AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
438                                                     &ring->mqd_gpu_addr, &ring->mqd_ptr);
439                         if (r) {
440                                 dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
441                                 return r;
442                         }
443
444                         ring->mqd_size = mqd_size;
445                         /* prepare MQD backup */
446                         adev->gfx.mec.mqd_backup[i + xcc_id * adev->gfx.num_compute_rings] = kmalloc(mqd_size, GFP_KERNEL);
447                         if (!adev->gfx.mec.mqd_backup[i])
448                                 dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
449                 }
450         }
451
452         return 0;
453 }
454
455 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev, int xcc_id)
456 {
457         struct amdgpu_ring *ring = NULL;
458         int i, j;
459         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
460
461         if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) {
462                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
463                         ring = &adev->gfx.gfx_ring[i];
464                         kfree(adev->gfx.me.mqd_backup[i]);
465                         amdgpu_bo_free_kernel(&ring->mqd_obj,
466                                               &ring->mqd_gpu_addr,
467                                               &ring->mqd_ptr);
468                 }
469         }
470
471         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
472                 j = i + xcc_id * adev->gfx.num_compute_rings;
473                 ring = &adev->gfx.compute_ring[i];
474                 kfree(adev->gfx.mec.mqd_backup[i]);
475                 amdgpu_bo_free_kernel(&ring->mqd_obj,
476                                       &ring->mqd_gpu_addr,
477                                       &ring->mqd_ptr);
478         }
479
480         ring = &kiq->ring;
481         kfree(kiq->mqd_backup);
482         kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]);
483         amdgpu_bo_free_kernel(&ring->mqd_obj,
484                               &ring->mqd_gpu_addr,
485                               &ring->mqd_ptr);
486 }
487
488 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev, int xcc_id)
489 {
490         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
491         struct amdgpu_ring *kiq_ring = &kiq->ring;
492         int i, r = 0;
493         int j;
494
495         if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
496                 return -EINVAL;
497
498         spin_lock(&kiq->ring_lock);
499         if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) {
500                 if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size *
501                                                 adev->gfx.num_compute_rings)) {
502                         spin_unlock(&kiq->ring_lock);
503                         return -ENOMEM;
504                 }
505
506                 for (i = 0; i < adev->gfx.num_compute_rings; i++) {
507                         j = i + xcc_id * adev->gfx.num_compute_rings;
508                         kiq->pmf->kiq_unmap_queues(kiq_ring,
509                                                    &adev->gfx.compute_ring[i],
510                                                    RESET_QUEUES, 0, 0);
511                 }
512         }
513
514         if (adev->gfx.kiq[0].ring.sched.ready && !adev->job_hang)
515                 r = amdgpu_ring_test_helper(kiq_ring);
516         spin_unlock(&kiq->ring_lock);
517
518         return r;
519 }
520
521 int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev,
522                                         int queue_bit)
523 {
524         int mec, pipe, queue;
525         int set_resource_bit = 0;
526
527         amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
528
529         set_resource_bit = mec * 4 * 8 + pipe * 8 + queue;
530
531         return set_resource_bit;
532 }
533
534 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev, int xcc_id)
535 {
536         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
537         struct amdgpu_ring *kiq_ring = &kiq->ring;
538         uint64_t queue_mask = 0;
539         int r, i, j;
540
541         if (!kiq->pmf || !kiq->pmf->kiq_map_queues || !kiq->pmf->kiq_set_resources)
542                 return -EINVAL;
543
544         for (i = 0; i < AMDGPU_MAX_COMPUTE_QUEUES; ++i) {
545                 if (!test_bit(i, adev->gfx.mec_bitmap[xcc_id].queue_bitmap))
546                         continue;
547
548                 /* This situation may be hit in the future if a new HW
549                  * generation exposes more than 64 queues. If so, the
550                  * definition of queue_mask needs updating */
551                 if (WARN_ON(i > (sizeof(queue_mask)*8))) {
552                         DRM_ERROR("Invalid KCQ enabled: %d\n", i);
553                         break;
554                 }
555
556                 queue_mask |= (1ull << amdgpu_queue_mask_bit_to_set_resource_bit(adev, i));
557         }
558
559         DRM_INFO("kiq ring mec %d pipe %d q %d\n", kiq_ring->me, kiq_ring->pipe,
560                                                         kiq_ring->queue);
561         spin_lock(&kiq->ring_lock);
562         /* No need to map kcq on the slave */
563         if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) {
564                 r = amdgpu_ring_alloc(kiq_ring, kiq->pmf->map_queues_size *
565                                                 adev->gfx.num_compute_rings +
566                                                 kiq->pmf->set_resources_size);
567                 if (r) {
568                         DRM_ERROR("Failed to lock KIQ (%d).\n", r);
569                         spin_unlock(&adev->gfx.kiq[0].ring_lock);
570                         return r;
571                 }
572
573                 if (adev->enable_mes)
574                         queue_mask = ~0ULL;
575
576                 kiq->pmf->kiq_set_resources(kiq_ring, queue_mask);
577                 for (i = 0; i < adev->gfx.num_compute_rings; i++) {
578                         j = i + xcc_id * adev->gfx.num_compute_rings;
579                         kiq->pmf->kiq_map_queues(kiq_ring,
580                                                  &adev->gfx.compute_ring[i]);
581                 }
582         }
583
584         r = amdgpu_ring_test_helper(kiq_ring);
585         spin_unlock(&kiq->ring_lock);
586         if (r)
587                 DRM_ERROR("KCQ enable failed\n");
588
589         return r;
590 }
591
592 /* amdgpu_gfx_off_ctrl - Handle gfx off feature enable/disable
593  *
594  * @adev: amdgpu_device pointer
595  * @bool enable true: enable gfx off feature, false: disable gfx off feature
596  *
597  * 1. gfx off feature will be enabled by gfx ip after gfx cg gp enabled.
598  * 2. other client can send request to disable gfx off feature, the request should be honored.
599  * 3. other client can cancel their request of disable gfx off feature
600  * 4. other client should not send request to enable gfx off feature before disable gfx off feature.
601  */
602
603 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
604 {
605         unsigned long delay = GFX_OFF_DELAY_ENABLE;
606
607         if (!(adev->pm.pp_feature & PP_GFXOFF_MASK))
608                 return;
609
610         mutex_lock(&adev->gfx.gfx_off_mutex);
611
612         if (enable) {
613                 /* If the count is already 0, it means there's an imbalance bug somewhere.
614                  * Note that the bug may be in a different caller than the one which triggers the
615                  * WARN_ON_ONCE.
616                  */
617                 if (WARN_ON_ONCE(adev->gfx.gfx_off_req_count == 0))
618                         goto unlock;
619
620                 adev->gfx.gfx_off_req_count--;
621
622                 if (adev->gfx.gfx_off_req_count == 0 &&
623                     !adev->gfx.gfx_off_state) {
624                         /* If going to s2idle, no need to wait */
625                         if (adev->in_s0ix) {
626                                 if (!amdgpu_dpm_set_powergating_by_smu(adev,
627                                                 AMD_IP_BLOCK_TYPE_GFX, true))
628                                         adev->gfx.gfx_off_state = true;
629                         } else {
630                                 schedule_delayed_work(&adev->gfx.gfx_off_delay_work,
631                                               delay);
632                         }
633                 }
634         } else {
635                 if (adev->gfx.gfx_off_req_count == 0) {
636                         cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work);
637
638                         if (adev->gfx.gfx_off_state &&
639                             !amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false)) {
640                                 adev->gfx.gfx_off_state = false;
641
642                                 if (adev->gfx.funcs->init_spm_golden) {
643                                         dev_dbg(adev->dev,
644                                                 "GFXOFF is disabled, re-init SPM golden settings\n");
645                                         amdgpu_gfx_init_spm_golden(adev);
646                                 }
647                         }
648                 }
649
650                 adev->gfx.gfx_off_req_count++;
651         }
652
653 unlock:
654         mutex_unlock(&adev->gfx.gfx_off_mutex);
655 }
656
657 int amdgpu_set_gfx_off_residency(struct amdgpu_device *adev, bool value)
658 {
659         int r = 0;
660
661         mutex_lock(&adev->gfx.gfx_off_mutex);
662
663         r = amdgpu_dpm_set_residency_gfxoff(adev, value);
664
665         mutex_unlock(&adev->gfx.gfx_off_mutex);
666
667         return r;
668 }
669
670 int amdgpu_get_gfx_off_residency(struct amdgpu_device *adev, u32 *value)
671 {
672         int r = 0;
673
674         mutex_lock(&adev->gfx.gfx_off_mutex);
675
676         r = amdgpu_dpm_get_residency_gfxoff(adev, value);
677
678         mutex_unlock(&adev->gfx.gfx_off_mutex);
679
680         return r;
681 }
682
683 int amdgpu_get_gfx_off_entrycount(struct amdgpu_device *adev, u64 *value)
684 {
685         int r = 0;
686
687         mutex_lock(&adev->gfx.gfx_off_mutex);
688
689         r = amdgpu_dpm_get_entrycount_gfxoff(adev, value);
690
691         mutex_unlock(&adev->gfx.gfx_off_mutex);
692
693         return r;
694 }
695
696 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value)
697 {
698
699         int r = 0;
700
701         mutex_lock(&adev->gfx.gfx_off_mutex);
702
703         r = amdgpu_dpm_get_status_gfxoff(adev, value);
704
705         mutex_unlock(&adev->gfx.gfx_off_mutex);
706
707         return r;
708 }
709
710 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
711 {
712         int r;
713
714         if (amdgpu_ras_is_supported(adev, ras_block->block)) {
715                 if (!amdgpu_persistent_edc_harvesting_supported(adev))
716                         amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
717
718                 r = amdgpu_ras_block_late_init(adev, ras_block);
719                 if (r)
720                         return r;
721
722                 r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
723                 if (r)
724                         goto late_fini;
725         } else {
726                 amdgpu_ras_feature_enable_on_boot(adev, ras_block, 0);
727         }
728
729         return 0;
730 late_fini:
731         amdgpu_ras_block_late_fini(adev, ras_block);
732         return r;
733 }
734
735 int amdgpu_gfx_ras_sw_init(struct amdgpu_device *adev)
736 {
737         int err = 0;
738         struct amdgpu_gfx_ras *ras = NULL;
739
740         /* adev->gfx.ras is NULL, which means gfx does not
741          * support ras function, then do nothing here.
742          */
743         if (!adev->gfx.ras)
744                 return 0;
745
746         ras = adev->gfx.ras;
747
748         err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
749         if (err) {
750                 dev_err(adev->dev, "Failed to register gfx ras block!\n");
751                 return err;
752         }
753
754         strcpy(ras->ras_block.ras_comm.name, "gfx");
755         ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__GFX;
756         ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
757         adev->gfx.ras_if = &ras->ras_block.ras_comm;
758
759         /* If not define special ras_late_init function, use gfx default ras_late_init */
760         if (!ras->ras_block.ras_late_init)
761                 ras->ras_block.ras_late_init = amdgpu_gfx_ras_late_init;
762
763         /* If not defined special ras_cb function, use default ras_cb */
764         if (!ras->ras_block.ras_cb)
765                 ras->ras_block.ras_cb = amdgpu_gfx_process_ras_data_cb;
766
767         return 0;
768 }
769
770 int amdgpu_gfx_poison_consumption_handler(struct amdgpu_device *adev,
771                                                 struct amdgpu_iv_entry *entry)
772 {
773         if (adev->gfx.ras && adev->gfx.ras->poison_consumption_handler)
774                 return adev->gfx.ras->poison_consumption_handler(adev, entry);
775
776         return 0;
777 }
778
779 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
780                 void *err_data,
781                 struct amdgpu_iv_entry *entry)
782 {
783         /* TODO ue will trigger an interrupt.
784          *
785          * When “Full RAS” is enabled, the per-IP interrupt sources should
786          * be disabled and the driver should only look for the aggregated
787          * interrupt via sync flood
788          */
789         if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) {
790                 kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
791                 if (adev->gfx.ras && adev->gfx.ras->ras_block.hw_ops &&
792                     adev->gfx.ras->ras_block.hw_ops->query_ras_error_count)
793                         adev->gfx.ras->ras_block.hw_ops->query_ras_error_count(adev, err_data);
794                 amdgpu_ras_reset_gpu(adev);
795         }
796         return AMDGPU_RAS_SUCCESS;
797 }
798
799 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
800                                   struct amdgpu_irq_src *source,
801                                   struct amdgpu_iv_entry *entry)
802 {
803         struct ras_common_if *ras_if = adev->gfx.ras_if;
804         struct ras_dispatch_if ih_data = {
805                 .entry = entry,
806         };
807
808         if (!ras_if)
809                 return 0;
810
811         ih_data.head = *ras_if;
812
813         DRM_ERROR("CP ECC ERROR IRQ\n");
814         amdgpu_ras_interrupt_dispatch(adev, &ih_data);
815         return 0;
816 }
817
818 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
819 {
820         signed long r, cnt = 0;
821         unsigned long flags;
822         uint32_t seq, reg_val_offs = 0, value = 0;
823         struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
824         struct amdgpu_ring *ring = &kiq->ring;
825
826         if (amdgpu_device_skip_hw_access(adev))
827                 return 0;
828
829         if (adev->mes.ring.sched.ready)
830                 return amdgpu_mes_rreg(adev, reg);
831
832         BUG_ON(!ring->funcs->emit_rreg);
833
834         spin_lock_irqsave(&kiq->ring_lock, flags);
835         if (amdgpu_device_wb_get(adev, &reg_val_offs)) {
836                 pr_err("critical bug! too many kiq readers\n");
837                 goto failed_unlock;
838         }
839         amdgpu_ring_alloc(ring, 32);
840         amdgpu_ring_emit_rreg(ring, reg, reg_val_offs);
841         r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
842         if (r)
843                 goto failed_undo;
844
845         amdgpu_ring_commit(ring);
846         spin_unlock_irqrestore(&kiq->ring_lock, flags);
847
848         r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
849
850         /* don't wait anymore for gpu reset case because this way may
851          * block gpu_recover() routine forever, e.g. this virt_kiq_rreg
852          * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will
853          * never return if we keep waiting in virt_kiq_rreg, which cause
854          * gpu_recover() hang there.
855          *
856          * also don't wait anymore for IRQ context
857          * */
858         if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt()))
859                 goto failed_kiq_read;
860
861         might_sleep();
862         while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
863                 msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
864                 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
865         }
866
867         if (cnt > MAX_KIQ_REG_TRY)
868                 goto failed_kiq_read;
869
870         mb();
871         value = adev->wb.wb[reg_val_offs];
872         amdgpu_device_wb_free(adev, reg_val_offs);
873         return value;
874
875 failed_undo:
876         amdgpu_ring_undo(ring);
877 failed_unlock:
878         spin_unlock_irqrestore(&kiq->ring_lock, flags);
879 failed_kiq_read:
880         if (reg_val_offs)
881                 amdgpu_device_wb_free(adev, reg_val_offs);
882         dev_err(adev->dev, "failed to read reg:%x\n", reg);
883         return ~0;
884 }
885
886 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
887 {
888         signed long r, cnt = 0;
889         unsigned long flags;
890         uint32_t seq;
891         struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
892         struct amdgpu_ring *ring = &kiq->ring;
893
894         BUG_ON(!ring->funcs->emit_wreg);
895
896         if (amdgpu_device_skip_hw_access(adev))
897                 return;
898
899         if (adev->mes.ring.sched.ready) {
900                 amdgpu_mes_wreg(adev, reg, v);
901                 return;
902         }
903
904         spin_lock_irqsave(&kiq->ring_lock, flags);
905         amdgpu_ring_alloc(ring, 32);
906         amdgpu_ring_emit_wreg(ring, reg, v);
907         r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
908         if (r)
909                 goto failed_undo;
910
911         amdgpu_ring_commit(ring);
912         spin_unlock_irqrestore(&kiq->ring_lock, flags);
913
914         r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
915
916         /* don't wait anymore for gpu reset case because this way may
917          * block gpu_recover() routine forever, e.g. this virt_kiq_rreg
918          * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will
919          * never return if we keep waiting in virt_kiq_rreg, which cause
920          * gpu_recover() hang there.
921          *
922          * also don't wait anymore for IRQ context
923          * */
924         if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt()))
925                 goto failed_kiq_write;
926
927         might_sleep();
928         while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
929
930                 msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
931                 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
932         }
933
934         if (cnt > MAX_KIQ_REG_TRY)
935                 goto failed_kiq_write;
936
937         return;
938
939 failed_undo:
940         amdgpu_ring_undo(ring);
941         spin_unlock_irqrestore(&kiq->ring_lock, flags);
942 failed_kiq_write:
943         dev_err(adev->dev, "failed to write reg:%x\n", reg);
944 }
945
946 int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev)
947 {
948         if (amdgpu_num_kcq == -1) {
949                 return 8;
950         } else if (amdgpu_num_kcq > 8 || amdgpu_num_kcq < 0) {
951                 dev_warn(adev->dev, "set kernel compute queue number to 8 due to invalid parameter provided by user\n");
952                 return 8;
953         }
954         return amdgpu_num_kcq;
955 }
956
957 void amdgpu_gfx_cp_init_microcode(struct amdgpu_device *adev,
958                                   uint32_t ucode_id)
959 {
960         const struct gfx_firmware_header_v1_0 *cp_hdr;
961         const struct gfx_firmware_header_v2_0 *cp_hdr_v2_0;
962         struct amdgpu_firmware_info *info = NULL;
963         const struct firmware *ucode_fw;
964         unsigned int fw_size;
965
966         switch (ucode_id) {
967         case AMDGPU_UCODE_ID_CP_PFP:
968                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
969                         adev->gfx.pfp_fw->data;
970                 adev->gfx.pfp_fw_version =
971                         le32_to_cpu(cp_hdr->header.ucode_version);
972                 adev->gfx.pfp_feature_version =
973                         le32_to_cpu(cp_hdr->ucode_feature_version);
974                 ucode_fw = adev->gfx.pfp_fw;
975                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
976                 break;
977         case AMDGPU_UCODE_ID_CP_RS64_PFP:
978                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
979                         adev->gfx.pfp_fw->data;
980                 adev->gfx.pfp_fw_version =
981                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
982                 adev->gfx.pfp_feature_version =
983                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
984                 ucode_fw = adev->gfx.pfp_fw;
985                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
986                 break;
987         case AMDGPU_UCODE_ID_CP_RS64_PFP_P0_STACK:
988         case AMDGPU_UCODE_ID_CP_RS64_PFP_P1_STACK:
989                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
990                         adev->gfx.pfp_fw->data;
991                 ucode_fw = adev->gfx.pfp_fw;
992                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
993                 break;
994         case AMDGPU_UCODE_ID_CP_ME:
995                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
996                         adev->gfx.me_fw->data;
997                 adev->gfx.me_fw_version =
998                         le32_to_cpu(cp_hdr->header.ucode_version);
999                 adev->gfx.me_feature_version =
1000                         le32_to_cpu(cp_hdr->ucode_feature_version);
1001                 ucode_fw = adev->gfx.me_fw;
1002                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1003                 break;
1004         case AMDGPU_UCODE_ID_CP_RS64_ME:
1005                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1006                         adev->gfx.me_fw->data;
1007                 adev->gfx.me_fw_version =
1008                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1009                 adev->gfx.me_feature_version =
1010                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1011                 ucode_fw = adev->gfx.me_fw;
1012                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1013                 break;
1014         case AMDGPU_UCODE_ID_CP_RS64_ME_P0_STACK:
1015         case AMDGPU_UCODE_ID_CP_RS64_ME_P1_STACK:
1016                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1017                         adev->gfx.me_fw->data;
1018                 ucode_fw = adev->gfx.me_fw;
1019                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1020                 break;
1021         case AMDGPU_UCODE_ID_CP_CE:
1022                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1023                         adev->gfx.ce_fw->data;
1024                 adev->gfx.ce_fw_version =
1025                         le32_to_cpu(cp_hdr->header.ucode_version);
1026                 adev->gfx.ce_feature_version =
1027                         le32_to_cpu(cp_hdr->ucode_feature_version);
1028                 ucode_fw = adev->gfx.ce_fw;
1029                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1030                 break;
1031         case AMDGPU_UCODE_ID_CP_MEC1:
1032                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1033                         adev->gfx.mec_fw->data;
1034                 adev->gfx.mec_fw_version =
1035                         le32_to_cpu(cp_hdr->header.ucode_version);
1036                 adev->gfx.mec_feature_version =
1037                         le32_to_cpu(cp_hdr->ucode_feature_version);
1038                 ucode_fw = adev->gfx.mec_fw;
1039                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) -
1040                           le32_to_cpu(cp_hdr->jt_size) * 4;
1041                 break;
1042         case AMDGPU_UCODE_ID_CP_MEC1_JT:
1043                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1044                         adev->gfx.mec_fw->data;
1045                 ucode_fw = adev->gfx.mec_fw;
1046                 fw_size = le32_to_cpu(cp_hdr->jt_size) * 4;
1047                 break;
1048         case AMDGPU_UCODE_ID_CP_MEC2:
1049                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1050                         adev->gfx.mec2_fw->data;
1051                 adev->gfx.mec2_fw_version =
1052                         le32_to_cpu(cp_hdr->header.ucode_version);
1053                 adev->gfx.mec2_feature_version =
1054                         le32_to_cpu(cp_hdr->ucode_feature_version);
1055                 ucode_fw = adev->gfx.mec2_fw;
1056                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) -
1057                           le32_to_cpu(cp_hdr->jt_size) * 4;
1058                 break;
1059         case AMDGPU_UCODE_ID_CP_MEC2_JT:
1060                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1061                         adev->gfx.mec2_fw->data;
1062                 ucode_fw = adev->gfx.mec2_fw;
1063                 fw_size = le32_to_cpu(cp_hdr->jt_size) * 4;
1064                 break;
1065         case AMDGPU_UCODE_ID_CP_RS64_MEC:
1066                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1067                         adev->gfx.mec_fw->data;
1068                 adev->gfx.mec_fw_version =
1069                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1070                 adev->gfx.mec_feature_version =
1071                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1072                 ucode_fw = adev->gfx.mec_fw;
1073                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1074                 break;
1075         case AMDGPU_UCODE_ID_CP_RS64_MEC_P0_STACK:
1076         case AMDGPU_UCODE_ID_CP_RS64_MEC_P1_STACK:
1077         case AMDGPU_UCODE_ID_CP_RS64_MEC_P2_STACK:
1078         case AMDGPU_UCODE_ID_CP_RS64_MEC_P3_STACK:
1079                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1080                         adev->gfx.mec_fw->data;
1081                 ucode_fw = adev->gfx.mec_fw;
1082                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1083                 break;
1084         default:
1085                 break;
1086         }
1087
1088         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1089                 info = &adev->firmware.ucode[ucode_id];
1090                 info->ucode_id = ucode_id;
1091                 info->fw = ucode_fw;
1092                 adev->firmware.fw_size += ALIGN(fw_size, PAGE_SIZE);
1093         }
1094 }
1095
1096 bool amdgpu_gfx_is_master_xcc(struct amdgpu_device *adev, int xcc_id)
1097 {
1098         return !(xcc_id % (adev->gfx.num_xcc_per_xcp ?
1099                         adev->gfx.num_xcc_per_xcp : 1));
1100 }