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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 #include "amdgpu_xcp.h"
32
33 /* delay 0.1 second to enable gfx off feature */
34 #define GFX_OFF_DELAY_ENABLE         msecs_to_jiffies(100)
35
36 #define GFX_OFF_NO_DELAY 0
37
38 /*
39  * GPU GFX IP block helpers function.
40  */
41
42 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
43                                 int pipe, int queue)
44 {
45         int bit = 0;
46
47         bit += mec * adev->gfx.mec.num_pipe_per_mec
48                 * adev->gfx.mec.num_queue_per_pipe;
49         bit += pipe * adev->gfx.mec.num_queue_per_pipe;
50         bit += queue;
51
52         return bit;
53 }
54
55 void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
56                                  int *mec, int *pipe, int *queue)
57 {
58         *queue = bit % adev->gfx.mec.num_queue_per_pipe;
59         *pipe = (bit / adev->gfx.mec.num_queue_per_pipe)
60                 % adev->gfx.mec.num_pipe_per_mec;
61         *mec = (bit / adev->gfx.mec.num_queue_per_pipe)
62                / adev->gfx.mec.num_pipe_per_mec;
63
64 }
65
66 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev,
67                                      int xcc_id, int mec, int pipe, int queue)
68 {
69         return test_bit(amdgpu_gfx_mec_queue_to_bit(adev, mec, pipe, queue),
70                         adev->gfx.mec_bitmap[xcc_id].queue_bitmap);
71 }
72
73 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev,
74                                int me, int pipe, int queue)
75 {
76         int bit = 0;
77
78         bit += me * adev->gfx.me.num_pipe_per_me
79                 * adev->gfx.me.num_queue_per_pipe;
80         bit += pipe * adev->gfx.me.num_queue_per_pipe;
81         bit += queue;
82
83         return bit;
84 }
85
86 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
87                                 int *me, int *pipe, int *queue)
88 {
89         *queue = bit % adev->gfx.me.num_queue_per_pipe;
90         *pipe = (bit / adev->gfx.me.num_queue_per_pipe)
91                 % adev->gfx.me.num_pipe_per_me;
92         *me = (bit / adev->gfx.me.num_queue_per_pipe)
93                 / adev->gfx.me.num_pipe_per_me;
94 }
95
96 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev,
97                                     int me, int pipe, int queue)
98 {
99         return test_bit(amdgpu_gfx_me_queue_to_bit(adev, me, pipe, queue),
100                         adev->gfx.me.queue_bitmap);
101 }
102
103 /**
104  * amdgpu_gfx_parse_disable_cu - Parse the disable_cu module parameter
105  *
106  * @mask: array in which the per-shader array disable masks will be stored
107  * @max_se: number of SEs
108  * @max_sh: number of SHs
109  *
110  * The bitmask of CUs to be disabled in the shader array determined by se and
111  * sh is stored in mask[se * max_sh + sh].
112  */
113 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se, unsigned max_sh)
114 {
115         unsigned se, sh, cu;
116         const char *p;
117
118         memset(mask, 0, sizeof(*mask) * max_se * max_sh);
119
120         if (!amdgpu_disable_cu || !*amdgpu_disable_cu)
121                 return;
122
123         p = amdgpu_disable_cu;
124         for (;;) {
125                 char *next;
126                 int ret = sscanf(p, "%u.%u.%u", &se, &sh, &cu);
127                 if (ret < 3) {
128                         DRM_ERROR("amdgpu: could not parse disable_cu\n");
129                         return;
130                 }
131
132                 if (se < max_se && sh < max_sh && cu < 16) {
133                         DRM_INFO("amdgpu: disabling CU %u.%u.%u\n", se, sh, cu);
134                         mask[se * max_sh + sh] |= 1u << cu;
135                 } else {
136                         DRM_ERROR("amdgpu: disable_cu %u.%u.%u is out of range\n",
137                                   se, sh, cu);
138                 }
139
140                 next = strchr(p, ',');
141                 if (!next)
142                         break;
143                 p = next + 1;
144         }
145 }
146
147 static bool amdgpu_gfx_is_graphics_multipipe_capable(struct amdgpu_device *adev)
148 {
149         return amdgpu_async_gfx_ring && adev->gfx.me.num_pipe_per_me > 1;
150 }
151
152 static bool amdgpu_gfx_is_compute_multipipe_capable(struct amdgpu_device *adev)
153 {
154         if (amdgpu_compute_multipipe != -1) {
155                 DRM_INFO("amdgpu: forcing compute pipe policy %d\n",
156                          amdgpu_compute_multipipe);
157                 return amdgpu_compute_multipipe == 1;
158         }
159
160         if (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0))
161                 return true;
162
163         /* FIXME: spreading the queues across pipes causes perf regressions
164          * on POLARIS11 compute workloads */
165         if (adev->asic_type == CHIP_POLARIS11)
166                 return false;
167
168         return adev->gfx.mec.num_mec > 1;
169 }
170
171 bool amdgpu_gfx_is_high_priority_graphics_queue(struct amdgpu_device *adev,
172                                                 struct amdgpu_ring *ring)
173 {
174         int queue = ring->queue;
175         int pipe = ring->pipe;
176
177         /* Policy: use pipe1 queue0 as high priority graphics queue if we
178          * have more than one gfx pipe.
179          */
180         if (amdgpu_gfx_is_graphics_multipipe_capable(adev) &&
181             adev->gfx.num_gfx_rings > 1 && pipe == 1 && queue == 0) {
182                 int me = ring->me;
183                 int bit;
184
185                 bit = amdgpu_gfx_me_queue_to_bit(adev, me, pipe, queue);
186                 if (ring == &adev->gfx.gfx_ring[bit])
187                         return true;
188         }
189
190         return false;
191 }
192
193 bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev,
194                                                struct amdgpu_ring *ring)
195 {
196         /* Policy: use 1st queue as high priority compute queue if we
197          * have more than one compute queue.
198          */
199         if (adev->gfx.num_compute_rings > 1 &&
200             ring == &adev->gfx.compute_ring[0])
201                 return true;
202
203         return false;
204 }
205
206 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev)
207 {
208         int i, j, queue, pipe;
209         bool multipipe_policy = amdgpu_gfx_is_compute_multipipe_capable(adev);
210         int max_queues_per_mec = min(adev->gfx.mec.num_pipe_per_mec *
211                                      adev->gfx.mec.num_queue_per_pipe,
212                                      adev->gfx.num_compute_rings);
213         int num_xcc = adev->gfx.xcc_mask ? NUM_XCC(adev->gfx.xcc_mask) : 1;
214
215         if (multipipe_policy) {
216                 /* policy: make queues evenly cross all pipes on MEC1 only
217                  * for multiple xcc, just use the original policy for simplicity */
218                 for (j = 0; j < num_xcc; j++) {
219                         for (i = 0; i < max_queues_per_mec; i++) {
220                                 pipe = i % adev->gfx.mec.num_pipe_per_mec;
221                                 queue = (i / adev->gfx.mec.num_pipe_per_mec) %
222                                          adev->gfx.mec.num_queue_per_pipe;
223
224                                 set_bit(pipe * adev->gfx.mec.num_queue_per_pipe + queue,
225                                         adev->gfx.mec_bitmap[j].queue_bitmap);
226                         }
227                 }
228         } else {
229                 /* policy: amdgpu owns all queues in the given pipe */
230                 for (j = 0; j < num_xcc; j++) {
231                         for (i = 0; i < max_queues_per_mec; ++i)
232                                 set_bit(i, adev->gfx.mec_bitmap[j].queue_bitmap);
233                 }
234         }
235
236         for (j = 0; j < num_xcc; j++) {
237                 dev_dbg(adev->dev, "mec queue bitmap weight=%d\n",
238                         bitmap_weight(adev->gfx.mec_bitmap[j].queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES));
239         }
240 }
241
242 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev)
243 {
244         int i, queue, pipe;
245         bool multipipe_policy = amdgpu_gfx_is_graphics_multipipe_capable(adev);
246         int max_queues_per_me = adev->gfx.me.num_pipe_per_me *
247                                         adev->gfx.me.num_queue_per_pipe;
248
249         if (multipipe_policy) {
250                 /* policy: amdgpu owns the first queue per pipe at this stage
251                  * will extend to mulitple queues per pipe later */
252                 for (i = 0; i < max_queues_per_me; i++) {
253                         pipe = i % adev->gfx.me.num_pipe_per_me;
254                         queue = (i / adev->gfx.me.num_pipe_per_me) %
255                                 adev->gfx.me.num_queue_per_pipe;
256
257                         set_bit(pipe * adev->gfx.me.num_queue_per_pipe + queue,
258                                 adev->gfx.me.queue_bitmap);
259                 }
260         } else {
261                 for (i = 0; i < max_queues_per_me; ++i)
262                         set_bit(i, adev->gfx.me.queue_bitmap);
263         }
264
265         /* update the number of active graphics rings */
266         adev->gfx.num_gfx_rings =
267                 bitmap_weight(adev->gfx.me.queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
268 }
269
270 static int amdgpu_gfx_kiq_acquire(struct amdgpu_device *adev,
271                                   struct amdgpu_ring *ring, int xcc_id)
272 {
273         int queue_bit;
274         int mec, pipe, queue;
275
276         queue_bit = adev->gfx.mec.num_mec
277                     * adev->gfx.mec.num_pipe_per_mec
278                     * adev->gfx.mec.num_queue_per_pipe;
279
280         while (--queue_bit >= 0) {
281                 if (test_bit(queue_bit, adev->gfx.mec_bitmap[xcc_id].queue_bitmap))
282                         continue;
283
284                 amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
285
286                 /*
287                  * 1. Using pipes 2/3 from MEC 2 seems cause problems.
288                  * 2. It must use queue id 0, because CGPG_IDLE/SAVE/LOAD/RUN
289                  * only can be issued on queue 0.
290                  */
291                 if ((mec == 1 && pipe > 1) || queue != 0)
292                         continue;
293
294                 ring->me = mec + 1;
295                 ring->pipe = pipe;
296                 ring->queue = queue;
297
298                 return 0;
299         }
300
301         dev_err(adev->dev, "Failed to find a queue for KIQ\n");
302         return -EINVAL;
303 }
304
305 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
306                              struct amdgpu_ring *ring,
307                              struct amdgpu_irq_src *irq, int xcc_id)
308 {
309         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
310         int r = 0;
311
312         spin_lock_init(&kiq->ring_lock);
313
314         ring->adev = NULL;
315         ring->ring_obj = NULL;
316         ring->use_doorbell = true;
317         ring->xcc_id = xcc_id;
318         ring->vm_hub = AMDGPU_GFXHUB(xcc_id);
319         ring->doorbell_index = (adev->doorbell_index.kiq + xcc_id) << 1;
320
321         r = amdgpu_gfx_kiq_acquire(adev, ring, xcc_id);
322         if (r)
323                 return r;
324
325         ring->eop_gpu_addr = kiq->eop_gpu_addr;
326         ring->no_scheduler = true;
327         sprintf(ring->name, "kiq_%d.%d.%d.%d", xcc_id, ring->me, ring->pipe, ring->queue);
328         r = amdgpu_ring_init(adev, ring, 1024, irq, AMDGPU_CP_KIQ_IRQ_DRIVER0,
329                              AMDGPU_RING_PRIO_DEFAULT, NULL);
330         if (r)
331                 dev_warn(adev->dev, "(%d) failed to init kiq ring\n", r);
332
333         return r;
334 }
335
336 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring)
337 {
338         amdgpu_ring_fini(ring);
339 }
340
341 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev, int xcc_id)
342 {
343         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
344
345         amdgpu_bo_free_kernel(&kiq->eop_obj, &kiq->eop_gpu_addr, NULL);
346 }
347
348 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
349                         unsigned hpd_size, int xcc_id)
350 {
351         int r;
352         u32 *hpd;
353         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
354
355         r = amdgpu_bo_create_kernel(adev, hpd_size, PAGE_SIZE,
356                                     AMDGPU_GEM_DOMAIN_GTT, &kiq->eop_obj,
357                                     &kiq->eop_gpu_addr, (void **)&hpd);
358         if (r) {
359                 dev_warn(adev->dev, "failed to create KIQ bo (%d).\n", r);
360                 return r;
361         }
362
363         memset(hpd, 0, hpd_size);
364
365         r = amdgpu_bo_reserve(kiq->eop_obj, true);
366         if (unlikely(r != 0))
367                 dev_warn(adev->dev, "(%d) reserve kiq eop bo failed\n", r);
368         amdgpu_bo_kunmap(kiq->eop_obj);
369         amdgpu_bo_unreserve(kiq->eop_obj);
370
371         return 0;
372 }
373
374 /* create MQD for each compute/gfx queue */
375 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
376                            unsigned mqd_size, int xcc_id)
377 {
378         int r, i, j;
379         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
380         struct amdgpu_ring *ring = &kiq->ring;
381         u32 domain = AMDGPU_GEM_DOMAIN_GTT;
382
383         /* Only enable on gfx10 and 11 for now to avoid changing behavior on older chips */
384         if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 0, 0))
385                 domain |= AMDGPU_GEM_DOMAIN_VRAM;
386
387         /* create MQD for KIQ */
388         if (!adev->enable_mes_kiq && !ring->mqd_obj) {
389                 /* originaly the KIQ MQD is put in GTT domain, but for SRIOV VRAM domain is a must
390                  * otherwise hypervisor trigger SAVE_VF fail after driver unloaded which mean MQD
391                  * deallocated and gart_unbind, to strict diverage we decide to use VRAM domain for
392                  * KIQ MQD no matter SRIOV or Bare-metal
393                  */
394                 r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
395                                             AMDGPU_GEM_DOMAIN_VRAM |
396                                             AMDGPU_GEM_DOMAIN_GTT,
397                                             &ring->mqd_obj,
398                                             &ring->mqd_gpu_addr,
399                                             &ring->mqd_ptr);
400                 if (r) {
401                         dev_warn(adev->dev, "failed to create ring mqd ob (%d)", r);
402                         return r;
403                 }
404
405                 /* prepare MQD backup */
406                 kiq->mqd_backup = kmalloc(mqd_size, GFP_KERNEL);
407                 if (!kiq->mqd_backup)
408                                 dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
409         }
410
411         if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) {
412                 /* create MQD for each KGQ */
413                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
414                         ring = &adev->gfx.gfx_ring[i];
415                         if (!ring->mqd_obj) {
416                                 r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
417                                                             domain, &ring->mqd_obj,
418                                                             &ring->mqd_gpu_addr, &ring->mqd_ptr);
419                                 if (r) {
420                                         dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
421                                         return r;
422                                 }
423
424                                 ring->mqd_size = mqd_size;
425                                 /* prepare MQD backup */
426                                 adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL);
427                                 if (!adev->gfx.me.mqd_backup[i])
428                                         dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
429                         }
430                 }
431         }
432
433         /* create MQD for each KCQ */
434         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
435                 j = i + xcc_id * adev->gfx.num_compute_rings;
436                 ring = &adev->gfx.compute_ring[j];
437                 if (!ring->mqd_obj) {
438                         r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
439                                                     domain, &ring->mqd_obj,
440                                                     &ring->mqd_gpu_addr, &ring->mqd_ptr);
441                         if (r) {
442                                 dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
443                                 return r;
444                         }
445
446                         ring->mqd_size = mqd_size;
447                         /* prepare MQD backup */
448                         adev->gfx.mec.mqd_backup[j + xcc_id * adev->gfx.num_compute_rings] = kmalloc(mqd_size, GFP_KERNEL);
449                         if (!adev->gfx.mec.mqd_backup[j + xcc_id * adev->gfx.num_compute_rings])
450                                 dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
451                 }
452         }
453
454         return 0;
455 }
456
457 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev, int xcc_id)
458 {
459         struct amdgpu_ring *ring = NULL;
460         int i, j;
461         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
462
463         if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) {
464                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
465                         ring = &adev->gfx.gfx_ring[i];
466                         kfree(adev->gfx.me.mqd_backup[i]);
467                         amdgpu_bo_free_kernel(&ring->mqd_obj,
468                                               &ring->mqd_gpu_addr,
469                                               &ring->mqd_ptr);
470                 }
471         }
472
473         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
474                 j = i + xcc_id * adev->gfx.num_compute_rings;
475                 ring = &adev->gfx.compute_ring[j];
476                 kfree(adev->gfx.mec.mqd_backup[j]);
477                 amdgpu_bo_free_kernel(&ring->mqd_obj,
478                                       &ring->mqd_gpu_addr,
479                                       &ring->mqd_ptr);
480         }
481
482         ring = &kiq->ring;
483         kfree(kiq->mqd_backup);
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_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         if (kiq_ring->sched.ready && !adev->job_hang)
514                 r = amdgpu_ring_test_helper(kiq_ring);
515         spin_unlock(&kiq->ring_lock);
516
517         return r;
518 }
519
520 int amdgpu_gfx_disable_kgq(struct amdgpu_device *adev, int xcc_id)
521 {
522         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
523         struct amdgpu_ring *kiq_ring = &kiq->ring;
524         int i, r = 0;
525         int j;
526
527         if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
528                 return -EINVAL;
529
530         spin_lock(&kiq->ring_lock);
531         if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) {
532                 if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size *
533                                                 adev->gfx.num_gfx_rings)) {
534                         spin_unlock(&kiq->ring_lock);
535                         return -ENOMEM;
536                 }
537
538                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
539                         j = i + xcc_id * adev->gfx.num_gfx_rings;
540                         kiq->pmf->kiq_unmap_queues(kiq_ring,
541                                                    &adev->gfx.gfx_ring[i],
542                                                    PREEMPT_QUEUES, 0, 0);
543                 }
544         }
545
546         if (adev->gfx.kiq[0].ring.sched.ready && !adev->job_hang)
547                 r = amdgpu_ring_test_helper(kiq_ring);
548         spin_unlock(&kiq->ring_lock);
549
550         return r;
551 }
552
553 int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev,
554                                         int queue_bit)
555 {
556         int mec, pipe, queue;
557         int set_resource_bit = 0;
558
559         amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
560
561         set_resource_bit = mec * 4 * 8 + pipe * 8 + queue;
562
563         return set_resource_bit;
564 }
565
566 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev, int xcc_id)
567 {
568         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
569         struct amdgpu_ring *kiq_ring = &kiq->ring;
570         uint64_t queue_mask = 0;
571         int r, i, j;
572
573         if (!kiq->pmf || !kiq->pmf->kiq_map_queues || !kiq->pmf->kiq_set_resources)
574                 return -EINVAL;
575
576         for (i = 0; i < AMDGPU_MAX_COMPUTE_QUEUES; ++i) {
577                 if (!test_bit(i, adev->gfx.mec_bitmap[xcc_id].queue_bitmap))
578                         continue;
579
580                 /* This situation may be hit in the future if a new HW
581                  * generation exposes more than 64 queues. If so, the
582                  * definition of queue_mask needs updating */
583                 if (WARN_ON(i > (sizeof(queue_mask)*8))) {
584                         DRM_ERROR("Invalid KCQ enabled: %d\n", i);
585                         break;
586                 }
587
588                 queue_mask |= (1ull << amdgpu_queue_mask_bit_to_set_resource_bit(adev, i));
589         }
590
591         DRM_INFO("kiq ring mec %d pipe %d q %d\n", kiq_ring->me, kiq_ring->pipe,
592                                                         kiq_ring->queue);
593         spin_lock(&kiq->ring_lock);
594         r = amdgpu_ring_alloc(kiq_ring, kiq->pmf->map_queues_size *
595                                         adev->gfx.num_compute_rings +
596                                         kiq->pmf->set_resources_size);
597         if (r) {
598                 DRM_ERROR("Failed to lock KIQ (%d).\n", r);
599                 spin_unlock(&kiq->ring_lock);
600                 return r;
601         }
602
603         if (adev->enable_mes)
604                 queue_mask = ~0ULL;
605
606         kiq->pmf->kiq_set_resources(kiq_ring, queue_mask);
607         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
608                 j = i + xcc_id * adev->gfx.num_compute_rings;
609                         kiq->pmf->kiq_map_queues(kiq_ring,
610                                                  &adev->gfx.compute_ring[j]);
611         }
612
613         r = amdgpu_ring_test_helper(kiq_ring);
614         spin_unlock(&kiq->ring_lock);
615         if (r)
616                 DRM_ERROR("KCQ enable failed\n");
617
618         return r;
619 }
620
621 int amdgpu_gfx_enable_kgq(struct amdgpu_device *adev, int xcc_id)
622 {
623         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
624         struct amdgpu_ring *kiq_ring = &kiq->ring;
625         int r, i, j;
626
627         if (!kiq->pmf || !kiq->pmf->kiq_map_queues)
628                 return -EINVAL;
629
630         spin_lock(&kiq->ring_lock);
631         /* No need to map kcq on the slave */
632         if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) {
633                 r = amdgpu_ring_alloc(kiq_ring, kiq->pmf->map_queues_size *
634                                                 adev->gfx.num_gfx_rings);
635                 if (r) {
636                         DRM_ERROR("Failed to lock KIQ (%d).\n", r);
637                         spin_unlock(&kiq->ring_lock);
638                         return r;
639                 }
640
641                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
642                         j = i + xcc_id * adev->gfx.num_gfx_rings;
643                         kiq->pmf->kiq_map_queues(kiq_ring,
644                                                  &adev->gfx.gfx_ring[i]);
645                 }
646         }
647
648         r = amdgpu_ring_test_helper(kiq_ring);
649         spin_unlock(&kiq->ring_lock);
650         if (r)
651                 DRM_ERROR("KCQ enable failed\n");
652
653         return r;
654 }
655
656 /* amdgpu_gfx_off_ctrl - Handle gfx off feature enable/disable
657  *
658  * @adev: amdgpu_device pointer
659  * @bool enable true: enable gfx off feature, false: disable gfx off feature
660  *
661  * 1. gfx off feature will be enabled by gfx ip after gfx cg gp enabled.
662  * 2. other client can send request to disable gfx off feature, the request should be honored.
663  * 3. other client can cancel their request of disable gfx off feature
664  * 4. other client should not send request to enable gfx off feature before disable gfx off feature.
665  */
666
667 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
668 {
669         unsigned long delay = GFX_OFF_DELAY_ENABLE;
670
671         if (!(adev->pm.pp_feature & PP_GFXOFF_MASK))
672                 return;
673
674         mutex_lock(&adev->gfx.gfx_off_mutex);
675
676         if (enable) {
677                 /* If the count is already 0, it means there's an imbalance bug somewhere.
678                  * Note that the bug may be in a different caller than the one which triggers the
679                  * WARN_ON_ONCE.
680                  */
681                 if (WARN_ON_ONCE(adev->gfx.gfx_off_req_count == 0))
682                         goto unlock;
683
684                 adev->gfx.gfx_off_req_count--;
685
686                 if (adev->gfx.gfx_off_req_count == 0 &&
687                     !adev->gfx.gfx_off_state) {
688                         /* If going to s2idle, no need to wait */
689                         if (adev->in_s0ix) {
690                                 if (!amdgpu_dpm_set_powergating_by_smu(adev,
691                                                 AMD_IP_BLOCK_TYPE_GFX, true))
692                                         adev->gfx.gfx_off_state = true;
693                         } else {
694                                 schedule_delayed_work(&adev->gfx.gfx_off_delay_work,
695                                               delay);
696                         }
697                 }
698         } else {
699                 if (adev->gfx.gfx_off_req_count == 0) {
700                         cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work);
701
702                         if (adev->gfx.gfx_off_state &&
703                             !amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false)) {
704                                 adev->gfx.gfx_off_state = false;
705
706                                 if (adev->gfx.funcs->init_spm_golden) {
707                                         dev_dbg(adev->dev,
708                                                 "GFXOFF is disabled, re-init SPM golden settings\n");
709                                         amdgpu_gfx_init_spm_golden(adev);
710                                 }
711                         }
712                 }
713
714                 adev->gfx.gfx_off_req_count++;
715         }
716
717 unlock:
718         mutex_unlock(&adev->gfx.gfx_off_mutex);
719 }
720
721 int amdgpu_set_gfx_off_residency(struct amdgpu_device *adev, bool value)
722 {
723         int r = 0;
724
725         mutex_lock(&adev->gfx.gfx_off_mutex);
726
727         r = amdgpu_dpm_set_residency_gfxoff(adev, value);
728
729         mutex_unlock(&adev->gfx.gfx_off_mutex);
730
731         return r;
732 }
733
734 int amdgpu_get_gfx_off_residency(struct amdgpu_device *adev, u32 *value)
735 {
736         int r = 0;
737
738         mutex_lock(&adev->gfx.gfx_off_mutex);
739
740         r = amdgpu_dpm_get_residency_gfxoff(adev, value);
741
742         mutex_unlock(&adev->gfx.gfx_off_mutex);
743
744         return r;
745 }
746
747 int amdgpu_get_gfx_off_entrycount(struct amdgpu_device *adev, u64 *value)
748 {
749         int r = 0;
750
751         mutex_lock(&adev->gfx.gfx_off_mutex);
752
753         r = amdgpu_dpm_get_entrycount_gfxoff(adev, value);
754
755         mutex_unlock(&adev->gfx.gfx_off_mutex);
756
757         return r;
758 }
759
760 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value)
761 {
762
763         int r = 0;
764
765         mutex_lock(&adev->gfx.gfx_off_mutex);
766
767         r = amdgpu_dpm_get_status_gfxoff(adev, value);
768
769         mutex_unlock(&adev->gfx.gfx_off_mutex);
770
771         return r;
772 }
773
774 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
775 {
776         int r;
777
778         if (amdgpu_ras_is_supported(adev, ras_block->block)) {
779                 if (!amdgpu_persistent_edc_harvesting_supported(adev))
780                         amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
781
782                 r = amdgpu_ras_block_late_init(adev, ras_block);
783                 if (r)
784                         return r;
785
786                 if (adev->gfx.cp_ecc_error_irq.funcs) {
787                         r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
788                         if (r)
789                                 goto late_fini;
790                 }
791         } else {
792                 amdgpu_ras_feature_enable_on_boot(adev, ras_block, 0);
793         }
794
795         return 0;
796 late_fini:
797         amdgpu_ras_block_late_fini(adev, ras_block);
798         return r;
799 }
800
801 int amdgpu_gfx_ras_sw_init(struct amdgpu_device *adev)
802 {
803         int err = 0;
804         struct amdgpu_gfx_ras *ras = NULL;
805
806         /* adev->gfx.ras is NULL, which means gfx does not
807          * support ras function, then do nothing here.
808          */
809         if (!adev->gfx.ras)
810                 return 0;
811
812         ras = adev->gfx.ras;
813
814         err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
815         if (err) {
816                 dev_err(adev->dev, "Failed to register gfx ras block!\n");
817                 return err;
818         }
819
820         strcpy(ras->ras_block.ras_comm.name, "gfx");
821         ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__GFX;
822         ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
823         adev->gfx.ras_if = &ras->ras_block.ras_comm;
824
825         /* If not define special ras_late_init function, use gfx default ras_late_init */
826         if (!ras->ras_block.ras_late_init)
827                 ras->ras_block.ras_late_init = amdgpu_gfx_ras_late_init;
828
829         /* If not defined special ras_cb function, use default ras_cb */
830         if (!ras->ras_block.ras_cb)
831                 ras->ras_block.ras_cb = amdgpu_gfx_process_ras_data_cb;
832
833         return 0;
834 }
835
836 int amdgpu_gfx_poison_consumption_handler(struct amdgpu_device *adev,
837                                                 struct amdgpu_iv_entry *entry)
838 {
839         if (adev->gfx.ras && adev->gfx.ras->poison_consumption_handler)
840                 return adev->gfx.ras->poison_consumption_handler(adev, entry);
841
842         return 0;
843 }
844
845 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
846                 void *err_data,
847                 struct amdgpu_iv_entry *entry)
848 {
849         /* TODO ue will trigger an interrupt.
850          *
851          * When “Full RAS” is enabled, the per-IP interrupt sources should
852          * be disabled and the driver should only look for the aggregated
853          * interrupt via sync flood
854          */
855         if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) {
856                 kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
857                 if (adev->gfx.ras && adev->gfx.ras->ras_block.hw_ops &&
858                     adev->gfx.ras->ras_block.hw_ops->query_ras_error_count)
859                         adev->gfx.ras->ras_block.hw_ops->query_ras_error_count(adev, err_data);
860                 amdgpu_ras_reset_gpu(adev);
861         }
862         return AMDGPU_RAS_SUCCESS;
863 }
864
865 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
866                                   struct amdgpu_irq_src *source,
867                                   struct amdgpu_iv_entry *entry)
868 {
869         struct ras_common_if *ras_if = adev->gfx.ras_if;
870         struct ras_dispatch_if ih_data = {
871                 .entry = entry,
872         };
873
874         if (!ras_if)
875                 return 0;
876
877         ih_data.head = *ras_if;
878
879         DRM_ERROR("CP ECC ERROR IRQ\n");
880         amdgpu_ras_interrupt_dispatch(adev, &ih_data);
881         return 0;
882 }
883
884 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
885 {
886         signed long r, cnt = 0;
887         unsigned long flags;
888         uint32_t seq, reg_val_offs = 0, value = 0;
889         struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
890         struct amdgpu_ring *ring = &kiq->ring;
891
892         if (amdgpu_device_skip_hw_access(adev))
893                 return 0;
894
895         if (adev->mes.ring.sched.ready)
896                 return amdgpu_mes_rreg(adev, reg);
897
898         BUG_ON(!ring->funcs->emit_rreg);
899
900         spin_lock_irqsave(&kiq->ring_lock, flags);
901         if (amdgpu_device_wb_get(adev, &reg_val_offs)) {
902                 pr_err("critical bug! too many kiq readers\n");
903                 goto failed_unlock;
904         }
905         amdgpu_ring_alloc(ring, 32);
906         amdgpu_ring_emit_rreg(ring, reg, reg_val_offs);
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_read;
926
927         might_sleep();
928         while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
929                 msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
930                 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
931         }
932
933         if (cnt > MAX_KIQ_REG_TRY)
934                 goto failed_kiq_read;
935
936         mb();
937         value = adev->wb.wb[reg_val_offs];
938         amdgpu_device_wb_free(adev, reg_val_offs);
939         return value;
940
941 failed_undo:
942         amdgpu_ring_undo(ring);
943 failed_unlock:
944         spin_unlock_irqrestore(&kiq->ring_lock, flags);
945 failed_kiq_read:
946         if (reg_val_offs)
947                 amdgpu_device_wb_free(adev, reg_val_offs);
948         dev_err(adev->dev, "failed to read reg:%x\n", reg);
949         return ~0;
950 }
951
952 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
953 {
954         signed long r, cnt = 0;
955         unsigned long flags;
956         uint32_t seq;
957         struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
958         struct amdgpu_ring *ring = &kiq->ring;
959
960         BUG_ON(!ring->funcs->emit_wreg);
961
962         if (amdgpu_device_skip_hw_access(adev))
963                 return;
964
965         if (adev->mes.ring.sched.ready) {
966                 amdgpu_mes_wreg(adev, reg, v);
967                 return;
968         }
969
970         spin_lock_irqsave(&kiq->ring_lock, flags);
971         amdgpu_ring_alloc(ring, 32);
972         amdgpu_ring_emit_wreg(ring, reg, v);
973         r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
974         if (r)
975                 goto failed_undo;
976
977         amdgpu_ring_commit(ring);
978         spin_unlock_irqrestore(&kiq->ring_lock, flags);
979
980         r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
981
982         /* don't wait anymore for gpu reset case because this way may
983          * block gpu_recover() routine forever, e.g. this virt_kiq_rreg
984          * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will
985          * never return if we keep waiting in virt_kiq_rreg, which cause
986          * gpu_recover() hang there.
987          *
988          * also don't wait anymore for IRQ context
989          * */
990         if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt()))
991                 goto failed_kiq_write;
992
993         might_sleep();
994         while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
995
996                 msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
997                 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
998         }
999
1000         if (cnt > MAX_KIQ_REG_TRY)
1001                 goto failed_kiq_write;
1002
1003         return;
1004
1005 failed_undo:
1006         amdgpu_ring_undo(ring);
1007         spin_unlock_irqrestore(&kiq->ring_lock, flags);
1008 failed_kiq_write:
1009         dev_err(adev->dev, "failed to write reg:%x\n", reg);
1010 }
1011
1012 int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev)
1013 {
1014         if (amdgpu_num_kcq == -1) {
1015                 return 8;
1016         } else if (amdgpu_num_kcq > 8 || amdgpu_num_kcq < 0) {
1017                 dev_warn(adev->dev, "set kernel compute queue number to 8 due to invalid parameter provided by user\n");
1018                 return 8;
1019         }
1020         return amdgpu_num_kcq;
1021 }
1022
1023 void amdgpu_gfx_cp_init_microcode(struct amdgpu_device *adev,
1024                                   uint32_t ucode_id)
1025 {
1026         const struct gfx_firmware_header_v1_0 *cp_hdr;
1027         const struct gfx_firmware_header_v2_0 *cp_hdr_v2_0;
1028         struct amdgpu_firmware_info *info = NULL;
1029         const struct firmware *ucode_fw;
1030         unsigned int fw_size;
1031
1032         switch (ucode_id) {
1033         case AMDGPU_UCODE_ID_CP_PFP:
1034                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1035                         adev->gfx.pfp_fw->data;
1036                 adev->gfx.pfp_fw_version =
1037                         le32_to_cpu(cp_hdr->header.ucode_version);
1038                 adev->gfx.pfp_feature_version =
1039                         le32_to_cpu(cp_hdr->ucode_feature_version);
1040                 ucode_fw = adev->gfx.pfp_fw;
1041                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1042                 break;
1043         case AMDGPU_UCODE_ID_CP_RS64_PFP:
1044                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1045                         adev->gfx.pfp_fw->data;
1046                 adev->gfx.pfp_fw_version =
1047                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1048                 adev->gfx.pfp_feature_version =
1049                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1050                 ucode_fw = adev->gfx.pfp_fw;
1051                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1052                 break;
1053         case AMDGPU_UCODE_ID_CP_RS64_PFP_P0_STACK:
1054         case AMDGPU_UCODE_ID_CP_RS64_PFP_P1_STACK:
1055                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1056                         adev->gfx.pfp_fw->data;
1057                 ucode_fw = adev->gfx.pfp_fw;
1058                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1059                 break;
1060         case AMDGPU_UCODE_ID_CP_ME:
1061                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1062                         adev->gfx.me_fw->data;
1063                 adev->gfx.me_fw_version =
1064                         le32_to_cpu(cp_hdr->header.ucode_version);
1065                 adev->gfx.me_feature_version =
1066                         le32_to_cpu(cp_hdr->ucode_feature_version);
1067                 ucode_fw = adev->gfx.me_fw;
1068                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1069                 break;
1070         case AMDGPU_UCODE_ID_CP_RS64_ME:
1071                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1072                         adev->gfx.me_fw->data;
1073                 adev->gfx.me_fw_version =
1074                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1075                 adev->gfx.me_feature_version =
1076                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1077                 ucode_fw = adev->gfx.me_fw;
1078                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1079                 break;
1080         case AMDGPU_UCODE_ID_CP_RS64_ME_P0_STACK:
1081         case AMDGPU_UCODE_ID_CP_RS64_ME_P1_STACK:
1082                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1083                         adev->gfx.me_fw->data;
1084                 ucode_fw = adev->gfx.me_fw;
1085                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1086                 break;
1087         case AMDGPU_UCODE_ID_CP_CE:
1088                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1089                         adev->gfx.ce_fw->data;
1090                 adev->gfx.ce_fw_version =
1091                         le32_to_cpu(cp_hdr->header.ucode_version);
1092                 adev->gfx.ce_feature_version =
1093                         le32_to_cpu(cp_hdr->ucode_feature_version);
1094                 ucode_fw = adev->gfx.ce_fw;
1095                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1096                 break;
1097         case AMDGPU_UCODE_ID_CP_MEC1:
1098                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1099                         adev->gfx.mec_fw->data;
1100                 adev->gfx.mec_fw_version =
1101                         le32_to_cpu(cp_hdr->header.ucode_version);
1102                 adev->gfx.mec_feature_version =
1103                         le32_to_cpu(cp_hdr->ucode_feature_version);
1104                 ucode_fw = adev->gfx.mec_fw;
1105                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) -
1106                           le32_to_cpu(cp_hdr->jt_size) * 4;
1107                 break;
1108         case AMDGPU_UCODE_ID_CP_MEC1_JT:
1109                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1110                         adev->gfx.mec_fw->data;
1111                 ucode_fw = adev->gfx.mec_fw;
1112                 fw_size = le32_to_cpu(cp_hdr->jt_size) * 4;
1113                 break;
1114         case AMDGPU_UCODE_ID_CP_MEC2:
1115                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1116                         adev->gfx.mec2_fw->data;
1117                 adev->gfx.mec2_fw_version =
1118                         le32_to_cpu(cp_hdr->header.ucode_version);
1119                 adev->gfx.mec2_feature_version =
1120                         le32_to_cpu(cp_hdr->ucode_feature_version);
1121                 ucode_fw = adev->gfx.mec2_fw;
1122                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) -
1123                           le32_to_cpu(cp_hdr->jt_size) * 4;
1124                 break;
1125         case AMDGPU_UCODE_ID_CP_MEC2_JT:
1126                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1127                         adev->gfx.mec2_fw->data;
1128                 ucode_fw = adev->gfx.mec2_fw;
1129                 fw_size = le32_to_cpu(cp_hdr->jt_size) * 4;
1130                 break;
1131         case AMDGPU_UCODE_ID_CP_RS64_MEC:
1132                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1133                         adev->gfx.mec_fw->data;
1134                 adev->gfx.mec_fw_version =
1135                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1136                 adev->gfx.mec_feature_version =
1137                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1138                 ucode_fw = adev->gfx.mec_fw;
1139                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1140                 break;
1141         case AMDGPU_UCODE_ID_CP_RS64_MEC_P0_STACK:
1142         case AMDGPU_UCODE_ID_CP_RS64_MEC_P1_STACK:
1143         case AMDGPU_UCODE_ID_CP_RS64_MEC_P2_STACK:
1144         case AMDGPU_UCODE_ID_CP_RS64_MEC_P3_STACK:
1145                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1146                         adev->gfx.mec_fw->data;
1147                 ucode_fw = adev->gfx.mec_fw;
1148                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1149                 break;
1150         default:
1151                 break;
1152         }
1153
1154         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1155                 info = &adev->firmware.ucode[ucode_id];
1156                 info->ucode_id = ucode_id;
1157                 info->fw = ucode_fw;
1158                 adev->firmware.fw_size += ALIGN(fw_size, PAGE_SIZE);
1159         }
1160 }
1161
1162 bool amdgpu_gfx_is_master_xcc(struct amdgpu_device *adev, int xcc_id)
1163 {
1164         return !(xcc_id % (adev->gfx.num_xcc_per_xcp ?
1165                         adev->gfx.num_xcc_per_xcp : 1));
1166 }
1167
1168 static ssize_t amdgpu_gfx_get_current_compute_partition(struct device *dev,
1169                                                 struct device_attribute *addr,
1170                                                 char *buf)
1171 {
1172         struct drm_device *ddev = dev_get_drvdata(dev);
1173         struct amdgpu_device *adev = drm_to_adev(ddev);
1174         int mode;
1175         char *partition_mode;
1176
1177         mode = amdgpu_xcp_query_partition_mode(adev->xcp_mgr);
1178
1179         switch (mode) {
1180         case AMDGPU_SPX_PARTITION_MODE:
1181                 partition_mode = "SPX";
1182                 break;
1183         case AMDGPU_DPX_PARTITION_MODE:
1184                 partition_mode = "DPX";
1185                 break;
1186         case AMDGPU_TPX_PARTITION_MODE:
1187                 partition_mode = "TPX";
1188                 break;
1189         case AMDGPU_QPX_PARTITION_MODE:
1190                 partition_mode = "QPX";
1191                 break;
1192         case AMDGPU_CPX_PARTITION_MODE:
1193                 partition_mode = "CPX";
1194                 break;
1195         default:
1196                 partition_mode = "UNKNOWN";
1197                 break;
1198         }
1199
1200         return sysfs_emit(buf, "%s\n", partition_mode);
1201 }
1202
1203 static ssize_t amdgpu_gfx_get_current_memory_partition(struct device *dev,
1204                                                 struct device_attribute *addr,
1205                                                 char *buf)
1206 {
1207         struct drm_device *ddev = dev_get_drvdata(dev);
1208         struct amdgpu_device *adev = drm_to_adev(ddev);
1209         enum amdgpu_memory_partition mode;
1210         static const char *partition_modes[] = {
1211                 "UNKNOWN", "NPS1", "NPS2", "NPS4", "NPS8"
1212         };
1213         BUILD_BUG_ON(ARRAY_SIZE(partition_modes) <= AMDGPU_NPS8_PARTITION_MODE);
1214
1215         mode = min((int)adev->gfx.funcs->query_mem_partition_mode(adev),
1216                 AMDGPU_NPS8_PARTITION_MODE);
1217
1218         return sysfs_emit(buf, "%s\n", partition_modes[mode]);
1219 }
1220
1221 static ssize_t amdgpu_gfx_set_compute_partition(struct device *dev,
1222                                                 struct device_attribute *addr,
1223                                                 const char *buf, size_t count)
1224 {
1225         struct drm_device *ddev = dev_get_drvdata(dev);
1226         struct amdgpu_device *adev = drm_to_adev(ddev);
1227         enum amdgpu_gfx_partition mode;
1228         int ret = 0, num_xcc;
1229
1230         num_xcc = NUM_XCC(adev->gfx.xcc_mask);
1231         if (num_xcc % 2 != 0)
1232                 return -EINVAL;
1233
1234         if (!strncasecmp("SPX", buf, strlen("SPX"))) {
1235                 mode = AMDGPU_SPX_PARTITION_MODE;
1236         } else if (!strncasecmp("DPX", buf, strlen("DPX"))) {
1237                 /*
1238                  * DPX mode needs AIDs to be in multiple of 2.
1239                  * Each AID connects 2 XCCs.
1240                  */
1241                 if (num_xcc%4)
1242                         return -EINVAL;
1243                 mode = AMDGPU_DPX_PARTITION_MODE;
1244         } else if (!strncasecmp("TPX", buf, strlen("TPX"))) {
1245                 if (num_xcc != 6)
1246                         return -EINVAL;
1247                 mode = AMDGPU_TPX_PARTITION_MODE;
1248         } else if (!strncasecmp("QPX", buf, strlen("QPX"))) {
1249                 if (num_xcc != 8)
1250                         return -EINVAL;
1251                 mode = AMDGPU_QPX_PARTITION_MODE;
1252         } else if (!strncasecmp("CPX", buf, strlen("CPX"))) {
1253                 mode = AMDGPU_CPX_PARTITION_MODE;
1254         } else {
1255                 return -EINVAL;
1256         }
1257
1258         ret = amdgpu_xcp_switch_partition_mode(adev->xcp_mgr, mode);
1259
1260         if (ret)
1261                 return ret;
1262
1263         return count;
1264 }
1265
1266 static ssize_t amdgpu_gfx_get_available_compute_partition(struct device *dev,
1267                                                 struct device_attribute *addr,
1268                                                 char *buf)
1269 {
1270         struct drm_device *ddev = dev_get_drvdata(dev);
1271         struct amdgpu_device *adev = drm_to_adev(ddev);
1272         char *supported_partition;
1273
1274         /* TBD */
1275         switch (NUM_XCC(adev->gfx.xcc_mask)) {
1276         case 8:
1277                 supported_partition = "SPX, DPX, QPX, CPX";
1278                 break;
1279         case 6:
1280                 supported_partition = "SPX, TPX, CPX";
1281                 break;
1282         case 4:
1283                 supported_partition = "SPX, DPX, CPX";
1284                 break;
1285         /* this seems only existing in emulation phase */
1286         case 2:
1287                 supported_partition = "SPX, CPX";
1288                 break;
1289         default:
1290                 supported_partition = "Not supported";
1291                 break;
1292         }
1293
1294         return sysfs_emit(buf, "%s\n", supported_partition);
1295 }
1296
1297 static DEVICE_ATTR(current_compute_partition, S_IRUGO | S_IWUSR,
1298                    amdgpu_gfx_get_current_compute_partition,
1299                    amdgpu_gfx_set_compute_partition);
1300
1301 static DEVICE_ATTR(available_compute_partition, S_IRUGO,
1302                    amdgpu_gfx_get_available_compute_partition, NULL);
1303
1304 static DEVICE_ATTR(current_memory_partition, S_IRUGO,
1305                    amdgpu_gfx_get_current_memory_partition, NULL);
1306
1307 int amdgpu_gfx_sysfs_init(struct amdgpu_device *adev)
1308 {
1309         int r;
1310
1311         r = device_create_file(adev->dev, &dev_attr_current_compute_partition);
1312         if (r)
1313                 return r;
1314
1315         r = device_create_file(adev->dev, &dev_attr_available_compute_partition);
1316         if (r)
1317                 return r;
1318
1319         r = device_create_file(adev->dev, &dev_attr_current_memory_partition);
1320         if (r)
1321                 return r;
1322
1323         return 0;
1324 }
1325
1326 void amdgpu_gfx_sysfs_fini(struct amdgpu_device *adev)
1327 {
1328         device_remove_file(adev->dev, &dev_attr_current_compute_partition);
1329         device_remove_file(adev->dev, &dev_attr_available_compute_partition);
1330         device_remove_file(adev->dev, &dev_attr_current_memory_partition);
1331 }
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