Merge branch 'pm-cpufreq'
[linux-2.6-microblaze.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 #include "amdgpu_xcp.h"
32 #include "amdgpu_xgmi.h"
33
34 /* delay 0.1 second to enable gfx off feature */
35 #define GFX_OFF_DELAY_ENABLE         msecs_to_jiffies(100)
36
37 #define GFX_OFF_NO_DELAY 0
38
39 /*
40  * GPU GFX IP block helpers function.
41  */
42
43 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
44                                 int pipe, int queue)
45 {
46         int bit = 0;
47
48         bit += mec * adev->gfx.mec.num_pipe_per_mec
49                 * adev->gfx.mec.num_queue_per_pipe;
50         bit += pipe * adev->gfx.mec.num_queue_per_pipe;
51         bit += queue;
52
53         return bit;
54 }
55
56 void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
57                                  int *mec, int *pipe, int *queue)
58 {
59         *queue = bit % adev->gfx.mec.num_queue_per_pipe;
60         *pipe = (bit / adev->gfx.mec.num_queue_per_pipe)
61                 % adev->gfx.mec.num_pipe_per_mec;
62         *mec = (bit / adev->gfx.mec.num_queue_per_pipe)
63                / adev->gfx.mec.num_pipe_per_mec;
64
65 }
66
67 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev,
68                                      int xcc_id, int mec, int pipe, int queue)
69 {
70         return test_bit(amdgpu_gfx_mec_queue_to_bit(adev, mec, pipe, queue),
71                         adev->gfx.mec_bitmap[xcc_id].queue_bitmap);
72 }
73
74 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev,
75                                int me, int pipe, int queue)
76 {
77         int bit = 0;
78
79         bit += me * adev->gfx.me.num_pipe_per_me
80                 * adev->gfx.me.num_queue_per_pipe;
81         bit += pipe * adev->gfx.me.num_queue_per_pipe;
82         bit += queue;
83
84         return bit;
85 }
86
87 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
88                                 int *me, int *pipe, int *queue)
89 {
90         *queue = bit % adev->gfx.me.num_queue_per_pipe;
91         *pipe = (bit / adev->gfx.me.num_queue_per_pipe)
92                 % adev->gfx.me.num_pipe_per_me;
93         *me = (bit / adev->gfx.me.num_queue_per_pipe)
94                 / adev->gfx.me.num_pipe_per_me;
95 }
96
97 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev,
98                                     int me, int pipe, int queue)
99 {
100         return test_bit(amdgpu_gfx_me_queue_to_bit(adev, me, pipe, queue),
101                         adev->gfx.me.queue_bitmap);
102 }
103
104 /**
105  * amdgpu_gfx_parse_disable_cu - Parse the disable_cu module parameter
106  *
107  * @mask: array in which the per-shader array disable masks will be stored
108  * @max_se: number of SEs
109  * @max_sh: number of SHs
110  *
111  * The bitmask of CUs to be disabled in the shader array determined by se and
112  * sh is stored in mask[se * max_sh + sh].
113  */
114 void amdgpu_gfx_parse_disable_cu(unsigned int *mask, unsigned int max_se, unsigned int max_sh)
115 {
116         unsigned int se, sh, cu;
117         const char *p;
118
119         memset(mask, 0, sizeof(*mask) * max_se * max_sh);
120
121         if (!amdgpu_disable_cu || !*amdgpu_disable_cu)
122                 return;
123
124         p = amdgpu_disable_cu;
125         for (;;) {
126                 char *next;
127                 int ret = sscanf(p, "%u.%u.%u", &se, &sh, &cu);
128
129                 if (ret < 3) {
130                         DRM_ERROR("amdgpu: could not parse disable_cu\n");
131                         return;
132                 }
133
134                 if (se < max_se && sh < max_sh && cu < 16) {
135                         DRM_INFO("amdgpu: disabling CU %u.%u.%u\n", se, sh, cu);
136                         mask[se * max_sh + sh] |= 1u << cu;
137                 } else {
138                         DRM_ERROR("amdgpu: disable_cu %u.%u.%u is out of range\n",
139                                   se, sh, cu);
140                 }
141
142                 next = strchr(p, ',');
143                 if (!next)
144                         break;
145                 p = next + 1;
146         }
147 }
148
149 static bool amdgpu_gfx_is_graphics_multipipe_capable(struct amdgpu_device *adev)
150 {
151         return amdgpu_async_gfx_ring && adev->gfx.me.num_pipe_per_me > 1;
152 }
153
154 static bool amdgpu_gfx_is_compute_multipipe_capable(struct amdgpu_device *adev)
155 {
156         if (amdgpu_compute_multipipe != -1) {
157                 DRM_INFO("amdgpu: forcing compute pipe policy %d\n",
158                          amdgpu_compute_multipipe);
159                 return amdgpu_compute_multipipe == 1;
160         }
161
162         if (amdgpu_ip_version(adev, GC_HWIP, 0) > IP_VERSION(9, 0, 0))
163                 return true;
164
165         /* FIXME: spreading the queues across pipes causes perf regressions
166          * on POLARIS11 compute workloads */
167         if (adev->asic_type == CHIP_POLARIS11)
168                 return false;
169
170         return adev->gfx.mec.num_mec > 1;
171 }
172
173 bool amdgpu_gfx_is_high_priority_graphics_queue(struct amdgpu_device *adev,
174                                                 struct amdgpu_ring *ring)
175 {
176         int queue = ring->queue;
177         int pipe = ring->pipe;
178
179         /* Policy: use pipe1 queue0 as high priority graphics queue if we
180          * have more than one gfx pipe.
181          */
182         if (amdgpu_gfx_is_graphics_multipipe_capable(adev) &&
183             adev->gfx.num_gfx_rings > 1 && pipe == 1 && queue == 0) {
184                 int me = ring->me;
185                 int bit;
186
187                 bit = amdgpu_gfx_me_queue_to_bit(adev, me, pipe, queue);
188                 if (ring == &adev->gfx.gfx_ring[bit])
189                         return true;
190         }
191
192         return false;
193 }
194
195 bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev,
196                                                struct amdgpu_ring *ring)
197 {
198         /* Policy: use 1st queue as high priority compute queue if we
199          * have more than one compute queue.
200          */
201         if (adev->gfx.num_compute_rings > 1 &&
202             ring == &adev->gfx.compute_ring[0])
203                 return true;
204
205         return false;
206 }
207
208 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev)
209 {
210         int i, j, queue, pipe;
211         bool multipipe_policy = amdgpu_gfx_is_compute_multipipe_capable(adev);
212         int max_queues_per_mec = min(adev->gfx.mec.num_pipe_per_mec *
213                                      adev->gfx.mec.num_queue_per_pipe,
214                                      adev->gfx.num_compute_rings);
215         int num_xcc = adev->gfx.xcc_mask ? NUM_XCC(adev->gfx.xcc_mask) : 1;
216
217         if (multipipe_policy) {
218                 /* policy: make queues evenly cross all pipes on MEC1 only
219                  * for multiple xcc, just use the original policy for simplicity */
220                 for (j = 0; j < num_xcc; j++) {
221                         for (i = 0; i < max_queues_per_mec; i++) {
222                                 pipe = i % adev->gfx.mec.num_pipe_per_mec;
223                                 queue = (i / adev->gfx.mec.num_pipe_per_mec) %
224                                          adev->gfx.mec.num_queue_per_pipe;
225
226                                 set_bit(pipe * adev->gfx.mec.num_queue_per_pipe + queue,
227                                         adev->gfx.mec_bitmap[j].queue_bitmap);
228                         }
229                 }
230         } else {
231                 /* policy: amdgpu owns all queues in the given pipe */
232                 for (j = 0; j < num_xcc; j++) {
233                         for (i = 0; i < max_queues_per_mec; ++i)
234                                 set_bit(i, adev->gfx.mec_bitmap[j].queue_bitmap);
235                 }
236         }
237
238         for (j = 0; j < num_xcc; j++) {
239                 dev_dbg(adev->dev, "mec queue bitmap weight=%d\n",
240                         bitmap_weight(adev->gfx.mec_bitmap[j].queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES));
241         }
242 }
243
244 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev)
245 {
246         int i, queue, pipe;
247         bool multipipe_policy = amdgpu_gfx_is_graphics_multipipe_capable(adev);
248         int max_queues_per_me = adev->gfx.me.num_pipe_per_me *
249                                         adev->gfx.me.num_queue_per_pipe;
250
251         if (multipipe_policy) {
252                 /* policy: amdgpu owns the first queue per pipe at this stage
253                  * will extend to mulitple queues per pipe later */
254                 for (i = 0; i < max_queues_per_me; i++) {
255                         pipe = i % adev->gfx.me.num_pipe_per_me;
256                         queue = (i / adev->gfx.me.num_pipe_per_me) %
257                                 adev->gfx.me.num_queue_per_pipe;
258
259                         set_bit(pipe * adev->gfx.me.num_queue_per_pipe + queue,
260                                 adev->gfx.me.queue_bitmap);
261                 }
262         } else {
263                 for (i = 0; i < max_queues_per_me; ++i)
264                         set_bit(i, adev->gfx.me.queue_bitmap);
265         }
266
267         /* update the number of active graphics rings */
268         adev->gfx.num_gfx_rings =
269                 bitmap_weight(adev->gfx.me.queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
270 }
271
272 static int amdgpu_gfx_kiq_acquire(struct amdgpu_device *adev,
273                                   struct amdgpu_ring *ring, int xcc_id)
274 {
275         int queue_bit;
276         int mec, pipe, queue;
277
278         queue_bit = adev->gfx.mec.num_mec
279                     * adev->gfx.mec.num_pipe_per_mec
280                     * adev->gfx.mec.num_queue_per_pipe;
281
282         while (--queue_bit >= 0) {
283                 if (test_bit(queue_bit, adev->gfx.mec_bitmap[xcc_id].queue_bitmap))
284                         continue;
285
286                 amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
287
288                 /*
289                  * 1. Using pipes 2/3 from MEC 2 seems cause problems.
290                  * 2. It must use queue id 0, because CGPG_IDLE/SAVE/LOAD/RUN
291                  * only can be issued on queue 0.
292                  */
293                 if ((mec == 1 && pipe > 1) || queue != 0)
294                         continue;
295
296                 ring->me = mec + 1;
297                 ring->pipe = pipe;
298                 ring->queue = queue;
299
300                 return 0;
301         }
302
303         dev_err(adev->dev, "Failed to find a queue for KIQ\n");
304         return -EINVAL;
305 }
306
307 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
308                              struct amdgpu_ring *ring,
309                              struct amdgpu_irq_src *irq, int xcc_id)
310 {
311         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
312         int r = 0;
313
314         spin_lock_init(&kiq->ring_lock);
315
316         ring->adev = NULL;
317         ring->ring_obj = NULL;
318         ring->use_doorbell = true;
319         ring->xcc_id = xcc_id;
320         ring->vm_hub = AMDGPU_GFXHUB(xcc_id);
321         ring->doorbell_index =
322                 (adev->doorbell_index.kiq +
323                  xcc_id * adev->doorbell_index.xcc_doorbell_range)
324                 << 1;
325
326         r = amdgpu_gfx_kiq_acquire(adev, ring, xcc_id);
327         if (r)
328                 return r;
329
330         ring->eop_gpu_addr = kiq->eop_gpu_addr;
331         ring->no_scheduler = true;
332         sprintf(ring->name, "kiq_%d.%d.%d.%d", xcc_id, ring->me, ring->pipe, ring->queue);
333         r = amdgpu_ring_init(adev, ring, 1024, irq, AMDGPU_CP_KIQ_IRQ_DRIVER0,
334                              AMDGPU_RING_PRIO_DEFAULT, NULL);
335         if (r)
336                 dev_warn(adev->dev, "(%d) failed to init kiq ring\n", r);
337
338         return r;
339 }
340
341 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring)
342 {
343         amdgpu_ring_fini(ring);
344 }
345
346 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev, int xcc_id)
347 {
348         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
349
350         amdgpu_bo_free_kernel(&kiq->eop_obj, &kiq->eop_gpu_addr, NULL);
351 }
352
353 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
354                         unsigned int hpd_size, int xcc_id)
355 {
356         int r;
357         u32 *hpd;
358         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
359
360         r = amdgpu_bo_create_kernel(adev, hpd_size, PAGE_SIZE,
361                                     AMDGPU_GEM_DOMAIN_GTT, &kiq->eop_obj,
362                                     &kiq->eop_gpu_addr, (void **)&hpd);
363         if (r) {
364                 dev_warn(adev->dev, "failed to create KIQ bo (%d).\n", r);
365                 return r;
366         }
367
368         memset(hpd, 0, hpd_size);
369
370         r = amdgpu_bo_reserve(kiq->eop_obj, true);
371         if (unlikely(r != 0))
372                 dev_warn(adev->dev, "(%d) reserve kiq eop bo failed\n", r);
373         amdgpu_bo_kunmap(kiq->eop_obj);
374         amdgpu_bo_unreserve(kiq->eop_obj);
375
376         return 0;
377 }
378
379 /* create MQD for each compute/gfx queue */
380 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
381                            unsigned int mqd_size, int xcc_id)
382 {
383         int r, i, j;
384         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
385         struct amdgpu_ring *ring = &kiq->ring;
386         u32 domain = AMDGPU_GEM_DOMAIN_GTT;
387
388         /* Only enable on gfx10 and 11 for now to avoid changing behavior on older chips */
389         if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(10, 0, 0))
390                 domain |= AMDGPU_GEM_DOMAIN_VRAM;
391
392         /* create MQD for KIQ */
393         if (!adev->enable_mes_kiq && !ring->mqd_obj) {
394                 /* originaly the KIQ MQD is put in GTT domain, but for SRIOV VRAM domain is a must
395                  * otherwise hypervisor trigger SAVE_VF fail after driver unloaded which mean MQD
396                  * deallocated and gart_unbind, to strict diverage we decide to use VRAM domain for
397                  * KIQ MQD no matter SRIOV or Bare-metal
398                  */
399                 r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
400                                             AMDGPU_GEM_DOMAIN_VRAM |
401                                             AMDGPU_GEM_DOMAIN_GTT,
402                                             &ring->mqd_obj,
403                                             &ring->mqd_gpu_addr,
404                                             &ring->mqd_ptr);
405                 if (r) {
406                         dev_warn(adev->dev, "failed to create ring mqd ob (%d)", r);
407                         return r;
408                 }
409
410                 /* prepare MQD backup */
411                 kiq->mqd_backup = kmalloc(mqd_size, GFP_KERNEL);
412                 if (!kiq->mqd_backup) {
413                         dev_warn(adev->dev,
414                                  "no memory to create MQD backup for ring %s\n", ring->name);
415                         return -ENOMEM;
416                 }
417         }
418
419         if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) {
420                 /* create MQD for each KGQ */
421                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
422                         ring = &adev->gfx.gfx_ring[i];
423                         if (!ring->mqd_obj) {
424                                 r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
425                                                             domain, &ring->mqd_obj,
426                                                             &ring->mqd_gpu_addr, &ring->mqd_ptr);
427                                 if (r) {
428                                         dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
429                                         return r;
430                                 }
431
432                                 ring->mqd_size = mqd_size;
433                                 /* prepare MQD backup */
434                                 adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL);
435                                 if (!adev->gfx.me.mqd_backup[i]) {
436                                         dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
437                                         return -ENOMEM;
438                                 }
439                         }
440                 }
441         }
442
443         /* create MQD for each KCQ */
444         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
445                 j = i + xcc_id * adev->gfx.num_compute_rings;
446                 ring = &adev->gfx.compute_ring[j];
447                 if (!ring->mqd_obj) {
448                         r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
449                                                     domain, &ring->mqd_obj,
450                                                     &ring->mqd_gpu_addr, &ring->mqd_ptr);
451                         if (r) {
452                                 dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
453                                 return r;
454                         }
455
456                         ring->mqd_size = mqd_size;
457                         /* prepare MQD backup */
458                         adev->gfx.mec.mqd_backup[j] = kmalloc(mqd_size, GFP_KERNEL);
459                         if (!adev->gfx.mec.mqd_backup[j]) {
460                                 dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
461                                 return -ENOMEM;
462                         }
463                 }
464         }
465
466         return 0;
467 }
468
469 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev, int xcc_id)
470 {
471         struct amdgpu_ring *ring = NULL;
472         int i, j;
473         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
474
475         if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) {
476                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
477                         ring = &adev->gfx.gfx_ring[i];
478                         kfree(adev->gfx.me.mqd_backup[i]);
479                         amdgpu_bo_free_kernel(&ring->mqd_obj,
480                                               &ring->mqd_gpu_addr,
481                                               &ring->mqd_ptr);
482                 }
483         }
484
485         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
486                 j = i + xcc_id * adev->gfx.num_compute_rings;
487                 ring = &adev->gfx.compute_ring[j];
488                 kfree(adev->gfx.mec.mqd_backup[j]);
489                 amdgpu_bo_free_kernel(&ring->mqd_obj,
490                                       &ring->mqd_gpu_addr,
491                                       &ring->mqd_ptr);
492         }
493
494         ring = &kiq->ring;
495         kfree(kiq->mqd_backup);
496         amdgpu_bo_free_kernel(&ring->mqd_obj,
497                               &ring->mqd_gpu_addr,
498                               &ring->mqd_ptr);
499 }
500
501 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev, int xcc_id)
502 {
503         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
504         struct amdgpu_ring *kiq_ring = &kiq->ring;
505         struct amdgpu_hive_info *hive;
506         struct amdgpu_ras *ras;
507         int hive_ras_recovery = 0;
508         int i, r = 0;
509         int j;
510
511         if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
512                 return -EINVAL;
513
514         spin_lock(&kiq->ring_lock);
515         if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size *
516                                         adev->gfx.num_compute_rings)) {
517                 spin_unlock(&kiq->ring_lock);
518                 return -ENOMEM;
519         }
520
521         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
522                 j = i + xcc_id * adev->gfx.num_compute_rings;
523                 kiq->pmf->kiq_unmap_queues(kiq_ring,
524                                            &adev->gfx.compute_ring[j],
525                                            RESET_QUEUES, 0, 0);
526         }
527
528         /**
529          * This is workaround: only skip kiq_ring test
530          * during ras recovery in suspend stage for gfx9.4.3
531          */
532         hive = amdgpu_get_xgmi_hive(adev);
533         if (hive) {
534                 hive_ras_recovery = atomic_read(&hive->ras_recovery);
535                 amdgpu_put_xgmi_hive(hive);
536         }
537
538         ras = amdgpu_ras_get_context(adev);
539         if ((amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 3)) &&
540                 ras && (atomic_read(&ras->in_recovery) || hive_ras_recovery)) {
541                 spin_unlock(&kiq->ring_lock);
542                 return 0;
543         }
544
545         if (kiq_ring->sched.ready && !adev->job_hang)
546                 r = amdgpu_ring_test_helper(kiq_ring);
547         spin_unlock(&kiq->ring_lock);
548
549         return r;
550 }
551
552 int amdgpu_gfx_disable_kgq(struct amdgpu_device *adev, int xcc_id)
553 {
554         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
555         struct amdgpu_ring *kiq_ring = &kiq->ring;
556         int i, r = 0;
557         int j;
558
559         if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
560                 return -EINVAL;
561
562         spin_lock(&kiq->ring_lock);
563         if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) {
564                 if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size *
565                                                 adev->gfx.num_gfx_rings)) {
566                         spin_unlock(&kiq->ring_lock);
567                         return -ENOMEM;
568                 }
569
570                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
571                         j = i + xcc_id * adev->gfx.num_gfx_rings;
572                         kiq->pmf->kiq_unmap_queues(kiq_ring,
573                                                    &adev->gfx.gfx_ring[j],
574                                                    PREEMPT_QUEUES, 0, 0);
575                 }
576         }
577
578         if (adev->gfx.kiq[0].ring.sched.ready && !adev->job_hang)
579                 r = amdgpu_ring_test_helper(kiq_ring);
580         spin_unlock(&kiq->ring_lock);
581
582         return r;
583 }
584
585 int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev,
586                                         int queue_bit)
587 {
588         int mec, pipe, queue;
589         int set_resource_bit = 0;
590
591         amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
592
593         set_resource_bit = mec * 4 * 8 + pipe * 8 + queue;
594
595         return set_resource_bit;
596 }
597
598 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev, int xcc_id)
599 {
600         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
601         struct amdgpu_ring *kiq_ring = &kiq->ring;
602         uint64_t queue_mask = 0;
603         int r, i, j;
604
605         if (!kiq->pmf || !kiq->pmf->kiq_map_queues || !kiq->pmf->kiq_set_resources)
606                 return -EINVAL;
607
608         for (i = 0; i < AMDGPU_MAX_COMPUTE_QUEUES; ++i) {
609                 if (!test_bit(i, adev->gfx.mec_bitmap[xcc_id].queue_bitmap))
610                         continue;
611
612                 /* This situation may be hit in the future if a new HW
613                  * generation exposes more than 64 queues. If so, the
614                  * definition of queue_mask needs updating */
615                 if (WARN_ON(i > (sizeof(queue_mask)*8))) {
616                         DRM_ERROR("Invalid KCQ enabled: %d\n", i);
617                         break;
618                 }
619
620                 queue_mask |= (1ull << amdgpu_queue_mask_bit_to_set_resource_bit(adev, i));
621         }
622
623         DRM_INFO("kiq ring mec %d pipe %d q %d\n", kiq_ring->me, kiq_ring->pipe,
624                                                         kiq_ring->queue);
625         amdgpu_device_flush_hdp(adev, NULL);
626
627         spin_lock(&kiq->ring_lock);
628         r = amdgpu_ring_alloc(kiq_ring, kiq->pmf->map_queues_size *
629                                         adev->gfx.num_compute_rings +
630                                         kiq->pmf->set_resources_size);
631         if (r) {
632                 DRM_ERROR("Failed to lock KIQ (%d).\n", r);
633                 spin_unlock(&kiq->ring_lock);
634                 return r;
635         }
636
637         if (adev->enable_mes)
638                 queue_mask = ~0ULL;
639
640         kiq->pmf->kiq_set_resources(kiq_ring, queue_mask);
641         for (i = 0; i < adev->gfx.num_compute_rings; i++) {
642                 j = i + xcc_id * adev->gfx.num_compute_rings;
643                         kiq->pmf->kiq_map_queues(kiq_ring,
644                                                  &adev->gfx.compute_ring[j]);
645         }
646
647         r = amdgpu_ring_test_helper(kiq_ring);
648         spin_unlock(&kiq->ring_lock);
649         if (r)
650                 DRM_ERROR("KCQ enable failed\n");
651
652         return r;
653 }
654
655 int amdgpu_gfx_enable_kgq(struct amdgpu_device *adev, int xcc_id)
656 {
657         struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
658         struct amdgpu_ring *kiq_ring = &kiq->ring;
659         int r, i, j;
660
661         if (!kiq->pmf || !kiq->pmf->kiq_map_queues)
662                 return -EINVAL;
663
664         amdgpu_device_flush_hdp(adev, NULL);
665
666         spin_lock(&kiq->ring_lock);
667         /* No need to map kcq on the slave */
668         if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) {
669                 r = amdgpu_ring_alloc(kiq_ring, kiq->pmf->map_queues_size *
670                                                 adev->gfx.num_gfx_rings);
671                 if (r) {
672                         DRM_ERROR("Failed to lock KIQ (%d).\n", r);
673                         spin_unlock(&kiq->ring_lock);
674                         return r;
675                 }
676
677                 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
678                         j = i + xcc_id * adev->gfx.num_gfx_rings;
679                         kiq->pmf->kiq_map_queues(kiq_ring,
680                                                  &adev->gfx.gfx_ring[j]);
681                 }
682         }
683
684         r = amdgpu_ring_test_helper(kiq_ring);
685         spin_unlock(&kiq->ring_lock);
686         if (r)
687                 DRM_ERROR("KCQ enable failed\n");
688
689         return r;
690 }
691
692 /* amdgpu_gfx_off_ctrl - Handle gfx off feature enable/disable
693  *
694  * @adev: amdgpu_device pointer
695  * @bool enable true: enable gfx off feature, false: disable gfx off feature
696  *
697  * 1. gfx off feature will be enabled by gfx ip after gfx cg gp enabled.
698  * 2. other client can send request to disable gfx off feature, the request should be honored.
699  * 3. other client can cancel their request of disable gfx off feature
700  * 4. other client should not send request to enable gfx off feature before disable gfx off feature.
701  */
702
703 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
704 {
705         unsigned long delay = GFX_OFF_DELAY_ENABLE;
706
707         if (!(adev->pm.pp_feature & PP_GFXOFF_MASK))
708                 return;
709
710         mutex_lock(&adev->gfx.gfx_off_mutex);
711
712         if (enable) {
713                 /* If the count is already 0, it means there's an imbalance bug somewhere.
714                  * Note that the bug may be in a different caller than the one which triggers the
715                  * WARN_ON_ONCE.
716                  */
717                 if (WARN_ON_ONCE(adev->gfx.gfx_off_req_count == 0))
718                         goto unlock;
719
720                 adev->gfx.gfx_off_req_count--;
721
722                 if (adev->gfx.gfx_off_req_count == 0 &&
723                     !adev->gfx.gfx_off_state) {
724                         schedule_delayed_work(&adev->gfx.gfx_off_delay_work,
725                                               delay);
726                 }
727         } else {
728                 if (adev->gfx.gfx_off_req_count == 0) {
729                         cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work);
730
731                         if (adev->gfx.gfx_off_state &&
732                             !amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false)) {
733                                 adev->gfx.gfx_off_state = false;
734
735                                 if (adev->gfx.funcs->init_spm_golden) {
736                                         dev_dbg(adev->dev,
737                                                 "GFXOFF is disabled, re-init SPM golden settings\n");
738                                         amdgpu_gfx_init_spm_golden(adev);
739                                 }
740                         }
741                 }
742
743                 adev->gfx.gfx_off_req_count++;
744         }
745
746 unlock:
747         mutex_unlock(&adev->gfx.gfx_off_mutex);
748 }
749
750 int amdgpu_set_gfx_off_residency(struct amdgpu_device *adev, bool value)
751 {
752         int r = 0;
753
754         mutex_lock(&adev->gfx.gfx_off_mutex);
755
756         r = amdgpu_dpm_set_residency_gfxoff(adev, value);
757
758         mutex_unlock(&adev->gfx.gfx_off_mutex);
759
760         return r;
761 }
762
763 int amdgpu_get_gfx_off_residency(struct amdgpu_device *adev, u32 *value)
764 {
765         int r = 0;
766
767         mutex_lock(&adev->gfx.gfx_off_mutex);
768
769         r = amdgpu_dpm_get_residency_gfxoff(adev, value);
770
771         mutex_unlock(&adev->gfx.gfx_off_mutex);
772
773         return r;
774 }
775
776 int amdgpu_get_gfx_off_entrycount(struct amdgpu_device *adev, u64 *value)
777 {
778         int r = 0;
779
780         mutex_lock(&adev->gfx.gfx_off_mutex);
781
782         r = amdgpu_dpm_get_entrycount_gfxoff(adev, value);
783
784         mutex_unlock(&adev->gfx.gfx_off_mutex);
785
786         return r;
787 }
788
789 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value)
790 {
791
792         int r = 0;
793
794         mutex_lock(&adev->gfx.gfx_off_mutex);
795
796         r = amdgpu_dpm_get_status_gfxoff(adev, value);
797
798         mutex_unlock(&adev->gfx.gfx_off_mutex);
799
800         return r;
801 }
802
803 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
804 {
805         int r;
806
807         if (amdgpu_ras_is_supported(adev, ras_block->block)) {
808                 if (!amdgpu_persistent_edc_harvesting_supported(adev))
809                         amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
810
811                 r = amdgpu_ras_block_late_init(adev, ras_block);
812                 if (r)
813                         return r;
814
815                 if (adev->gfx.cp_ecc_error_irq.funcs) {
816                         r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
817                         if (r)
818                                 goto late_fini;
819                 }
820         } else {
821                 amdgpu_ras_feature_enable_on_boot(adev, ras_block, 0);
822         }
823
824         return 0;
825 late_fini:
826         amdgpu_ras_block_late_fini(adev, ras_block);
827         return r;
828 }
829
830 int amdgpu_gfx_ras_sw_init(struct amdgpu_device *adev)
831 {
832         int err = 0;
833         struct amdgpu_gfx_ras *ras = NULL;
834
835         /* adev->gfx.ras is NULL, which means gfx does not
836          * support ras function, then do nothing here.
837          */
838         if (!adev->gfx.ras)
839                 return 0;
840
841         ras = adev->gfx.ras;
842
843         err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
844         if (err) {
845                 dev_err(adev->dev, "Failed to register gfx ras block!\n");
846                 return err;
847         }
848
849         strcpy(ras->ras_block.ras_comm.name, "gfx");
850         ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__GFX;
851         ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
852         adev->gfx.ras_if = &ras->ras_block.ras_comm;
853
854         /* If not define special ras_late_init function, use gfx default ras_late_init */
855         if (!ras->ras_block.ras_late_init)
856                 ras->ras_block.ras_late_init = amdgpu_gfx_ras_late_init;
857
858         /* If not defined special ras_cb function, use default ras_cb */
859         if (!ras->ras_block.ras_cb)
860                 ras->ras_block.ras_cb = amdgpu_gfx_process_ras_data_cb;
861
862         return 0;
863 }
864
865 int amdgpu_gfx_poison_consumption_handler(struct amdgpu_device *adev,
866                                                 struct amdgpu_iv_entry *entry)
867 {
868         if (adev->gfx.ras && adev->gfx.ras->poison_consumption_handler)
869                 return adev->gfx.ras->poison_consumption_handler(adev, entry);
870
871         return 0;
872 }
873
874 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
875                 void *err_data,
876                 struct amdgpu_iv_entry *entry)
877 {
878         /* TODO ue will trigger an interrupt.
879          *
880          * When “Full RAS” is enabled, the per-IP interrupt sources should
881          * be disabled and the driver should only look for the aggregated
882          * interrupt via sync flood
883          */
884         if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) {
885                 kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
886                 if (adev->gfx.ras && adev->gfx.ras->ras_block.hw_ops &&
887                     adev->gfx.ras->ras_block.hw_ops->query_ras_error_count)
888                         adev->gfx.ras->ras_block.hw_ops->query_ras_error_count(adev, err_data);
889                 amdgpu_ras_reset_gpu(adev);
890         }
891         return AMDGPU_RAS_SUCCESS;
892 }
893
894 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
895                                   struct amdgpu_irq_src *source,
896                                   struct amdgpu_iv_entry *entry)
897 {
898         struct ras_common_if *ras_if = adev->gfx.ras_if;
899         struct ras_dispatch_if ih_data = {
900                 .entry = entry,
901         };
902
903         if (!ras_if)
904                 return 0;
905
906         ih_data.head = *ras_if;
907
908         DRM_ERROR("CP ECC ERROR IRQ\n");
909         amdgpu_ras_interrupt_dispatch(adev, &ih_data);
910         return 0;
911 }
912
913 void amdgpu_gfx_ras_error_func(struct amdgpu_device *adev,
914                 void *ras_error_status,
915                 void (*func)(struct amdgpu_device *adev, void *ras_error_status,
916                                 int xcc_id))
917 {
918         int i;
919         int num_xcc = adev->gfx.xcc_mask ? NUM_XCC(adev->gfx.xcc_mask) : 1;
920         uint32_t xcc_mask = GENMASK(num_xcc - 1, 0);
921         struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
922
923         if (err_data) {
924                 err_data->ue_count = 0;
925                 err_data->ce_count = 0;
926         }
927
928         for_each_inst(i, xcc_mask)
929                 func(adev, ras_error_status, i);
930 }
931
932 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
933 {
934         signed long r, cnt = 0;
935         unsigned long flags;
936         uint32_t seq, reg_val_offs = 0, value = 0;
937         struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
938         struct amdgpu_ring *ring = &kiq->ring;
939
940         if (amdgpu_device_skip_hw_access(adev))
941                 return 0;
942
943         if (adev->mes.ring.sched.ready)
944                 return amdgpu_mes_rreg(adev, reg);
945
946         BUG_ON(!ring->funcs->emit_rreg);
947
948         spin_lock_irqsave(&kiq->ring_lock, flags);
949         if (amdgpu_device_wb_get(adev, &reg_val_offs)) {
950                 pr_err("critical bug! too many kiq readers\n");
951                 goto failed_unlock;
952         }
953         amdgpu_ring_alloc(ring, 32);
954         amdgpu_ring_emit_rreg(ring, reg, reg_val_offs);
955         r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
956         if (r)
957                 goto failed_undo;
958
959         amdgpu_ring_commit(ring);
960         spin_unlock_irqrestore(&kiq->ring_lock, flags);
961
962         r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
963
964         /* don't wait anymore for gpu reset case because this way may
965          * block gpu_recover() routine forever, e.g. this virt_kiq_rreg
966          * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will
967          * never return if we keep waiting in virt_kiq_rreg, which cause
968          * gpu_recover() hang there.
969          *
970          * also don't wait anymore for IRQ context
971          * */
972         if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt()))
973                 goto failed_kiq_read;
974
975         might_sleep();
976         while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
977                 msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
978                 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
979         }
980
981         if (cnt > MAX_KIQ_REG_TRY)
982                 goto failed_kiq_read;
983
984         mb();
985         value = adev->wb.wb[reg_val_offs];
986         amdgpu_device_wb_free(adev, reg_val_offs);
987         return value;
988
989 failed_undo:
990         amdgpu_ring_undo(ring);
991 failed_unlock:
992         spin_unlock_irqrestore(&kiq->ring_lock, flags);
993 failed_kiq_read:
994         if (reg_val_offs)
995                 amdgpu_device_wb_free(adev, reg_val_offs);
996         dev_err(adev->dev, "failed to read reg:%x\n", reg);
997         return ~0;
998 }
999
1000 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
1001 {
1002         signed long r, cnt = 0;
1003         unsigned long flags;
1004         uint32_t seq;
1005         struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
1006         struct amdgpu_ring *ring = &kiq->ring;
1007
1008         BUG_ON(!ring->funcs->emit_wreg);
1009
1010         if (amdgpu_device_skip_hw_access(adev))
1011                 return;
1012
1013         if (adev->mes.ring.sched.ready) {
1014                 amdgpu_mes_wreg(adev, reg, v);
1015                 return;
1016         }
1017
1018         spin_lock_irqsave(&kiq->ring_lock, flags);
1019         amdgpu_ring_alloc(ring, 32);
1020         amdgpu_ring_emit_wreg(ring, reg, v);
1021         r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
1022         if (r)
1023                 goto failed_undo;
1024
1025         amdgpu_ring_commit(ring);
1026         spin_unlock_irqrestore(&kiq->ring_lock, flags);
1027
1028         r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
1029
1030         /* don't wait anymore for gpu reset case because this way may
1031          * block gpu_recover() routine forever, e.g. this virt_kiq_rreg
1032          * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will
1033          * never return if we keep waiting in virt_kiq_rreg, which cause
1034          * gpu_recover() hang there.
1035          *
1036          * also don't wait anymore for IRQ context
1037          * */
1038         if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt()))
1039                 goto failed_kiq_write;
1040
1041         might_sleep();
1042         while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
1043
1044                 msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
1045                 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
1046         }
1047
1048         if (cnt > MAX_KIQ_REG_TRY)
1049                 goto failed_kiq_write;
1050
1051         return;
1052
1053 failed_undo:
1054         amdgpu_ring_undo(ring);
1055         spin_unlock_irqrestore(&kiq->ring_lock, flags);
1056 failed_kiq_write:
1057         dev_err(adev->dev, "failed to write reg:%x\n", reg);
1058 }
1059
1060 int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev)
1061 {
1062         if (amdgpu_num_kcq == -1) {
1063                 return 8;
1064         } else if (amdgpu_num_kcq > 8 || amdgpu_num_kcq < 0) {
1065                 dev_warn(adev->dev, "set kernel compute queue number to 8 due to invalid parameter provided by user\n");
1066                 return 8;
1067         }
1068         return amdgpu_num_kcq;
1069 }
1070
1071 void amdgpu_gfx_cp_init_microcode(struct amdgpu_device *adev,
1072                                   uint32_t ucode_id)
1073 {
1074         const struct gfx_firmware_header_v1_0 *cp_hdr;
1075         const struct gfx_firmware_header_v2_0 *cp_hdr_v2_0;
1076         struct amdgpu_firmware_info *info = NULL;
1077         const struct firmware *ucode_fw;
1078         unsigned int fw_size;
1079
1080         switch (ucode_id) {
1081         case AMDGPU_UCODE_ID_CP_PFP:
1082                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1083                         adev->gfx.pfp_fw->data;
1084                 adev->gfx.pfp_fw_version =
1085                         le32_to_cpu(cp_hdr->header.ucode_version);
1086                 adev->gfx.pfp_feature_version =
1087                         le32_to_cpu(cp_hdr->ucode_feature_version);
1088                 ucode_fw = adev->gfx.pfp_fw;
1089                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1090                 break;
1091         case AMDGPU_UCODE_ID_CP_RS64_PFP:
1092                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1093                         adev->gfx.pfp_fw->data;
1094                 adev->gfx.pfp_fw_version =
1095                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1096                 adev->gfx.pfp_feature_version =
1097                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1098                 ucode_fw = adev->gfx.pfp_fw;
1099                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1100                 break;
1101         case AMDGPU_UCODE_ID_CP_RS64_PFP_P0_STACK:
1102         case AMDGPU_UCODE_ID_CP_RS64_PFP_P1_STACK:
1103                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1104                         adev->gfx.pfp_fw->data;
1105                 ucode_fw = adev->gfx.pfp_fw;
1106                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1107                 break;
1108         case AMDGPU_UCODE_ID_CP_ME:
1109                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1110                         adev->gfx.me_fw->data;
1111                 adev->gfx.me_fw_version =
1112                         le32_to_cpu(cp_hdr->header.ucode_version);
1113                 adev->gfx.me_feature_version =
1114                         le32_to_cpu(cp_hdr->ucode_feature_version);
1115                 ucode_fw = adev->gfx.me_fw;
1116                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1117                 break;
1118         case AMDGPU_UCODE_ID_CP_RS64_ME:
1119                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1120                         adev->gfx.me_fw->data;
1121                 adev->gfx.me_fw_version =
1122                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1123                 adev->gfx.me_feature_version =
1124                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1125                 ucode_fw = adev->gfx.me_fw;
1126                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1127                 break;
1128         case AMDGPU_UCODE_ID_CP_RS64_ME_P0_STACK:
1129         case AMDGPU_UCODE_ID_CP_RS64_ME_P1_STACK:
1130                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1131                         adev->gfx.me_fw->data;
1132                 ucode_fw = adev->gfx.me_fw;
1133                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1134                 break;
1135         case AMDGPU_UCODE_ID_CP_CE:
1136                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1137                         adev->gfx.ce_fw->data;
1138                 adev->gfx.ce_fw_version =
1139                         le32_to_cpu(cp_hdr->header.ucode_version);
1140                 adev->gfx.ce_feature_version =
1141                         le32_to_cpu(cp_hdr->ucode_feature_version);
1142                 ucode_fw = adev->gfx.ce_fw;
1143                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1144                 break;
1145         case AMDGPU_UCODE_ID_CP_MEC1:
1146                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1147                         adev->gfx.mec_fw->data;
1148                 adev->gfx.mec_fw_version =
1149                         le32_to_cpu(cp_hdr->header.ucode_version);
1150                 adev->gfx.mec_feature_version =
1151                         le32_to_cpu(cp_hdr->ucode_feature_version);
1152                 ucode_fw = adev->gfx.mec_fw;
1153                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) -
1154                           le32_to_cpu(cp_hdr->jt_size) * 4;
1155                 break;
1156         case AMDGPU_UCODE_ID_CP_MEC1_JT:
1157                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1158                         adev->gfx.mec_fw->data;
1159                 ucode_fw = adev->gfx.mec_fw;
1160                 fw_size = le32_to_cpu(cp_hdr->jt_size) * 4;
1161                 break;
1162         case AMDGPU_UCODE_ID_CP_MEC2:
1163                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1164                         adev->gfx.mec2_fw->data;
1165                 adev->gfx.mec2_fw_version =
1166                         le32_to_cpu(cp_hdr->header.ucode_version);
1167                 adev->gfx.mec2_feature_version =
1168                         le32_to_cpu(cp_hdr->ucode_feature_version);
1169                 ucode_fw = adev->gfx.mec2_fw;
1170                 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) -
1171                           le32_to_cpu(cp_hdr->jt_size) * 4;
1172                 break;
1173         case AMDGPU_UCODE_ID_CP_MEC2_JT:
1174                 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1175                         adev->gfx.mec2_fw->data;
1176                 ucode_fw = adev->gfx.mec2_fw;
1177                 fw_size = le32_to_cpu(cp_hdr->jt_size) * 4;
1178                 break;
1179         case AMDGPU_UCODE_ID_CP_RS64_MEC:
1180                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1181                         adev->gfx.mec_fw->data;
1182                 adev->gfx.mec_fw_version =
1183                         le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1184                 adev->gfx.mec_feature_version =
1185                         le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1186                 ucode_fw = adev->gfx.mec_fw;
1187                 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1188                 break;
1189         case AMDGPU_UCODE_ID_CP_RS64_MEC_P0_STACK:
1190         case AMDGPU_UCODE_ID_CP_RS64_MEC_P1_STACK:
1191         case AMDGPU_UCODE_ID_CP_RS64_MEC_P2_STACK:
1192         case AMDGPU_UCODE_ID_CP_RS64_MEC_P3_STACK:
1193                 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1194                         adev->gfx.mec_fw->data;
1195                 ucode_fw = adev->gfx.mec_fw;
1196                 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1197                 break;
1198         default:
1199                 break;
1200         }
1201
1202         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1203                 info = &adev->firmware.ucode[ucode_id];
1204                 info->ucode_id = ucode_id;
1205                 info->fw = ucode_fw;
1206                 adev->firmware.fw_size += ALIGN(fw_size, PAGE_SIZE);
1207         }
1208 }
1209
1210 bool amdgpu_gfx_is_master_xcc(struct amdgpu_device *adev, int xcc_id)
1211 {
1212         return !(xcc_id % (adev->gfx.num_xcc_per_xcp ?
1213                         adev->gfx.num_xcc_per_xcp : 1));
1214 }
1215
1216 static ssize_t amdgpu_gfx_get_current_compute_partition(struct device *dev,
1217                                                 struct device_attribute *addr,
1218                                                 char *buf)
1219 {
1220         struct drm_device *ddev = dev_get_drvdata(dev);
1221         struct amdgpu_device *adev = drm_to_adev(ddev);
1222         int mode;
1223
1224         mode = amdgpu_xcp_query_partition_mode(adev->xcp_mgr,
1225                                                AMDGPU_XCP_FL_NONE);
1226
1227         return sysfs_emit(buf, "%s\n", amdgpu_gfx_compute_mode_desc(mode));
1228 }
1229
1230 static ssize_t amdgpu_gfx_set_compute_partition(struct device *dev,
1231                                                 struct device_attribute *addr,
1232                                                 const char *buf, size_t count)
1233 {
1234         struct drm_device *ddev = dev_get_drvdata(dev);
1235         struct amdgpu_device *adev = drm_to_adev(ddev);
1236         enum amdgpu_gfx_partition mode;
1237         int ret = 0, num_xcc;
1238
1239         num_xcc = NUM_XCC(adev->gfx.xcc_mask);
1240         if (num_xcc % 2 != 0)
1241                 return -EINVAL;
1242
1243         if (!strncasecmp("SPX", buf, strlen("SPX"))) {
1244                 mode = AMDGPU_SPX_PARTITION_MODE;
1245         } else if (!strncasecmp("DPX", buf, strlen("DPX"))) {
1246                 /*
1247                  * DPX mode needs AIDs to be in multiple of 2.
1248                  * Each AID connects 2 XCCs.
1249                  */
1250                 if (num_xcc%4)
1251                         return -EINVAL;
1252                 mode = AMDGPU_DPX_PARTITION_MODE;
1253         } else if (!strncasecmp("TPX", buf, strlen("TPX"))) {
1254                 if (num_xcc != 6)
1255                         return -EINVAL;
1256                 mode = AMDGPU_TPX_PARTITION_MODE;
1257         } else if (!strncasecmp("QPX", buf, strlen("QPX"))) {
1258                 if (num_xcc != 8)
1259                         return -EINVAL;
1260                 mode = AMDGPU_QPX_PARTITION_MODE;
1261         } else if (!strncasecmp("CPX", buf, strlen("CPX"))) {
1262                 mode = AMDGPU_CPX_PARTITION_MODE;
1263         } else {
1264                 return -EINVAL;
1265         }
1266
1267         ret = amdgpu_xcp_switch_partition_mode(adev->xcp_mgr, mode);
1268
1269         if (ret)
1270                 return ret;
1271
1272         return count;
1273 }
1274
1275 static ssize_t amdgpu_gfx_get_available_compute_partition(struct device *dev,
1276                                                 struct device_attribute *addr,
1277                                                 char *buf)
1278 {
1279         struct drm_device *ddev = dev_get_drvdata(dev);
1280         struct amdgpu_device *adev = drm_to_adev(ddev);
1281         char *supported_partition;
1282
1283         /* TBD */
1284         switch (NUM_XCC(adev->gfx.xcc_mask)) {
1285         case 8:
1286                 supported_partition = "SPX, DPX, QPX, CPX";
1287                 break;
1288         case 6:
1289                 supported_partition = "SPX, TPX, CPX";
1290                 break;
1291         case 4:
1292                 supported_partition = "SPX, DPX, CPX";
1293                 break;
1294         /* this seems only existing in emulation phase */
1295         case 2:
1296                 supported_partition = "SPX, CPX";
1297                 break;
1298         default:
1299                 supported_partition = "Not supported";
1300                 break;
1301         }
1302
1303         return sysfs_emit(buf, "%s\n", supported_partition);
1304 }
1305
1306 static DEVICE_ATTR(current_compute_partition, 0644,
1307                    amdgpu_gfx_get_current_compute_partition,
1308                    amdgpu_gfx_set_compute_partition);
1309
1310 static DEVICE_ATTR(available_compute_partition, 0444,
1311                    amdgpu_gfx_get_available_compute_partition, NULL);
1312
1313 int amdgpu_gfx_sysfs_init(struct amdgpu_device *adev)
1314 {
1315         int r;
1316
1317         r = device_create_file(adev->dev, &dev_attr_current_compute_partition);
1318         if (r)
1319                 return r;
1320
1321         r = device_create_file(adev->dev, &dev_attr_available_compute_partition);
1322
1323         return r;
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 }