2 * Copyright 2014 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
26 #include <linux/firmware.h>
28 #include "amdgpu_gfx.h"
29 #include "amdgpu_rlc.h"
30 #include "amdgpu_ras.h"
32 /* delay 0.1 second to enable gfx off feature */
33 #define GFX_OFF_DELAY_ENABLE msecs_to_jiffies(100)
35 #define GFX_OFF_NO_DELAY 0
38 * GPU GFX IP block helpers function.
41 int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
46 bit += mec * adev->gfx.mec.num_pipe_per_mec
47 * adev->gfx.mec.num_queue_per_pipe;
48 bit += pipe * adev->gfx.mec.num_queue_per_pipe;
54 void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
55 int *mec, int *pipe, int *queue)
57 *queue = bit % adev->gfx.mec.num_queue_per_pipe;
58 *pipe = (bit / adev->gfx.mec.num_queue_per_pipe)
59 % adev->gfx.mec.num_pipe_per_mec;
60 *mec = (bit / adev->gfx.mec.num_queue_per_pipe)
61 / adev->gfx.mec.num_pipe_per_mec;
65 bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev,
66 int xcc_id, int mec, int pipe, int queue)
68 return test_bit(amdgpu_gfx_mec_queue_to_bit(adev, mec, pipe, queue),
69 adev->gfx.mec_bitmap[xcc_id].queue_bitmap);
72 int amdgpu_gfx_me_queue_to_bit(struct amdgpu_device *adev,
73 int me, int pipe, int queue)
77 bit += me * adev->gfx.me.num_pipe_per_me
78 * adev->gfx.me.num_queue_per_pipe;
79 bit += pipe * adev->gfx.me.num_queue_per_pipe;
85 void amdgpu_gfx_bit_to_me_queue(struct amdgpu_device *adev, int bit,
86 int *me, int *pipe, int *queue)
88 *queue = bit % adev->gfx.me.num_queue_per_pipe;
89 *pipe = (bit / adev->gfx.me.num_queue_per_pipe)
90 % adev->gfx.me.num_pipe_per_me;
91 *me = (bit / adev->gfx.me.num_queue_per_pipe)
92 / adev->gfx.me.num_pipe_per_me;
95 bool amdgpu_gfx_is_me_queue_enabled(struct amdgpu_device *adev,
96 int me, int pipe, int queue)
98 return test_bit(amdgpu_gfx_me_queue_to_bit(adev, me, pipe, queue),
99 adev->gfx.me.queue_bitmap);
103 * amdgpu_gfx_parse_disable_cu - Parse the disable_cu module parameter
105 * @mask: array in which the per-shader array disable masks will be stored
106 * @max_se: number of SEs
107 * @max_sh: number of SHs
109 * The bitmask of CUs to be disabled in the shader array determined by se and
110 * sh is stored in mask[se * max_sh + sh].
112 void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se, unsigned max_sh)
117 memset(mask, 0, sizeof(*mask) * max_se * max_sh);
119 if (!amdgpu_disable_cu || !*amdgpu_disable_cu)
122 p = amdgpu_disable_cu;
125 int ret = sscanf(p, "%u.%u.%u", &se, &sh, &cu);
127 DRM_ERROR("amdgpu: could not parse disable_cu\n");
131 if (se < max_se && sh < max_sh && cu < 16) {
132 DRM_INFO("amdgpu: disabling CU %u.%u.%u\n", se, sh, cu);
133 mask[se * max_sh + sh] |= 1u << cu;
135 DRM_ERROR("amdgpu: disable_cu %u.%u.%u is out of range\n",
139 next = strchr(p, ',');
146 static bool amdgpu_gfx_is_graphics_multipipe_capable(struct amdgpu_device *adev)
148 return amdgpu_async_gfx_ring && adev->gfx.me.num_pipe_per_me > 1;
151 static bool amdgpu_gfx_is_compute_multipipe_capable(struct amdgpu_device *adev)
153 if (amdgpu_compute_multipipe != -1) {
154 DRM_INFO("amdgpu: forcing compute pipe policy %d\n",
155 amdgpu_compute_multipipe);
156 return amdgpu_compute_multipipe == 1;
159 if (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0))
162 /* FIXME: spreading the queues across pipes causes perf regressions
163 * on POLARIS11 compute workloads */
164 if (adev->asic_type == CHIP_POLARIS11)
167 return adev->gfx.mec.num_mec > 1;
170 bool amdgpu_gfx_is_high_priority_graphics_queue(struct amdgpu_device *adev,
171 struct amdgpu_ring *ring)
173 int queue = ring->queue;
174 int pipe = ring->pipe;
176 /* Policy: use pipe1 queue0 as high priority graphics queue if we
177 * have more than one gfx pipe.
179 if (amdgpu_gfx_is_graphics_multipipe_capable(adev) &&
180 adev->gfx.num_gfx_rings > 1 && pipe == 1 && queue == 0) {
184 bit = amdgpu_gfx_me_queue_to_bit(adev, me, pipe, queue);
185 if (ring == &adev->gfx.gfx_ring[bit])
192 bool amdgpu_gfx_is_high_priority_compute_queue(struct amdgpu_device *adev,
193 struct amdgpu_ring *ring)
195 /* Policy: use 1st queue as high priority compute queue if we
196 * have more than one compute queue.
198 if (adev->gfx.num_compute_rings > 1 &&
199 ring == &adev->gfx.compute_ring[0])
205 void amdgpu_gfx_compute_queue_acquire(struct amdgpu_device *adev)
207 int i, j, queue, pipe;
208 bool multipipe_policy = amdgpu_gfx_is_compute_multipipe_capable(adev);
209 int max_queues_per_mec = min(adev->gfx.mec.num_pipe_per_mec *
210 adev->gfx.mec.num_queue_per_pipe,
211 adev->gfx.num_compute_rings);
212 int num_xcd = (adev->gfx.num_xcd > 1) ? adev->gfx.num_xcd : 1;
214 if (multipipe_policy) {
215 /* policy: make queues evenly cross all pipes on MEC1 only
216 * for multiple xcc, just use the original policy for simplicity */
217 for (j = 0; j < num_xcd; j++) {
218 for (i = 0; i < max_queues_per_mec; i++) {
219 pipe = i % adev->gfx.mec.num_pipe_per_mec;
220 queue = (i / adev->gfx.mec.num_pipe_per_mec) %
221 adev->gfx.mec.num_queue_per_pipe;
223 set_bit(pipe * adev->gfx.mec.num_queue_per_pipe + queue,
224 adev->gfx.mec_bitmap[j].queue_bitmap);
228 /* policy: amdgpu owns all queues in the given pipe */
229 for (j = 0; j < num_xcd; j++) {
230 for (i = 0; i < max_queues_per_mec; ++i)
231 set_bit(i, adev->gfx.mec_bitmap[j].queue_bitmap);
235 for (j = 0; j < num_xcd; j++) {
236 dev_dbg(adev->dev, "mec queue bitmap weight=%d\n",
237 bitmap_weight(adev->gfx.mec_bitmap[j].queue_bitmap, AMDGPU_MAX_COMPUTE_QUEUES));
241 void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev)
244 bool multipipe_policy = amdgpu_gfx_is_graphics_multipipe_capable(adev);
245 int max_queues_per_me = adev->gfx.me.num_pipe_per_me *
246 adev->gfx.me.num_queue_per_pipe;
248 if (multipipe_policy) {
249 /* policy: amdgpu owns the first queue per pipe at this stage
250 * will extend to mulitple queues per pipe later */
251 for (i = 0; i < max_queues_per_me; i++) {
252 pipe = i % adev->gfx.me.num_pipe_per_me;
253 queue = (i / adev->gfx.me.num_pipe_per_me) %
254 adev->gfx.me.num_queue_per_pipe;
256 set_bit(pipe * adev->gfx.me.num_queue_per_pipe + queue,
257 adev->gfx.me.queue_bitmap);
260 for (i = 0; i < max_queues_per_me; ++i)
261 set_bit(i, adev->gfx.me.queue_bitmap);
264 /* update the number of active graphics rings */
265 adev->gfx.num_gfx_rings =
266 bitmap_weight(adev->gfx.me.queue_bitmap, AMDGPU_MAX_GFX_QUEUES);
269 static int amdgpu_gfx_kiq_acquire(struct amdgpu_device *adev,
270 struct amdgpu_ring *ring, int xcc_id)
273 int mec, pipe, queue;
275 queue_bit = adev->gfx.mec.num_mec
276 * adev->gfx.mec.num_pipe_per_mec
277 * adev->gfx.mec.num_queue_per_pipe;
279 while (--queue_bit >= 0) {
280 if (test_bit(queue_bit, adev->gfx.mec_bitmap[xcc_id].queue_bitmap))
283 amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
286 * 1. Using pipes 2/3 from MEC 2 seems cause problems.
287 * 2. It must use queue id 0, because CGPG_IDLE/SAVE/LOAD/RUN
288 * only can be issued on queue 0.
290 if ((mec == 1 && pipe > 1) || queue != 0)
300 dev_err(adev->dev, "Failed to find a queue for KIQ\n");
304 int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
305 struct amdgpu_ring *ring,
306 struct amdgpu_irq_src *irq, int xcc_id)
308 struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
311 spin_lock_init(&kiq->ring_lock);
314 ring->ring_obj = NULL;
315 ring->use_doorbell = true;
316 ring->doorbell_index = adev->doorbell_index.kiq;
317 ring->xcc_id = xcc_id;
318 ring->vm_hub = AMDGPU_GFXHUB_0;
320 ring->doorbell_index = adev->doorbell_index.xcc1_kiq_start +
323 ring->doorbell_index = adev->doorbell_index.kiq;
325 r = amdgpu_gfx_kiq_acquire(adev, ring, xcc_id);
329 ring->eop_gpu_addr = kiq->eop_gpu_addr;
330 ring->no_scheduler = true;
331 sprintf(ring->name, "kiq_%d.%d.%d.%d", xcc_id, ring->me, ring->pipe, ring->queue);
332 r = amdgpu_ring_init(adev, ring, 1024, irq, AMDGPU_CP_KIQ_IRQ_DRIVER0,
333 AMDGPU_RING_PRIO_DEFAULT, NULL);
335 dev_warn(adev->dev, "(%d) failed to init kiq ring\n", r);
340 void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring)
342 amdgpu_ring_fini(ring);
345 void amdgpu_gfx_kiq_fini(struct amdgpu_device *adev, int xcc_id)
347 struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
349 amdgpu_bo_free_kernel(&kiq->eop_obj, &kiq->eop_gpu_addr, NULL);
352 int amdgpu_gfx_kiq_init(struct amdgpu_device *adev,
353 unsigned hpd_size, int xcc_id)
357 struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
359 r = amdgpu_bo_create_kernel(adev, hpd_size, PAGE_SIZE,
360 AMDGPU_GEM_DOMAIN_GTT, &kiq->eop_obj,
361 &kiq->eop_gpu_addr, (void **)&hpd);
363 dev_warn(adev->dev, "failed to create KIQ bo (%d).\n", r);
367 memset(hpd, 0, hpd_size);
369 r = amdgpu_bo_reserve(kiq->eop_obj, true);
370 if (unlikely(r != 0))
371 dev_warn(adev->dev, "(%d) reserve kiq eop bo failed\n", r);
372 amdgpu_bo_kunmap(kiq->eop_obj);
373 amdgpu_bo_unreserve(kiq->eop_obj);
378 /* create MQD for each compute/gfx queue */
379 int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
380 unsigned mqd_size, int xcc_id)
383 struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
384 struct amdgpu_ring *ring = &kiq->ring;
386 /* create MQD for KIQ */
387 if (!adev->enable_mes_kiq && !ring->mqd_obj) {
388 /* originaly the KIQ MQD is put in GTT domain, but for SRIOV VRAM domain is a must
389 * otherwise hypervisor trigger SAVE_VF fail after driver unloaded which mean MQD
390 * deallocated and gart_unbind, to strict diverage we decide to use VRAM domain for
391 * KIQ MQD no matter SRIOV or Bare-metal
393 r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
394 AMDGPU_GEM_DOMAIN_VRAM |
395 AMDGPU_GEM_DOMAIN_GTT,
400 dev_warn(adev->dev, "failed to create ring mqd ob (%d)", r);
404 /* prepare MQD backup */
405 kiq->mqd_backup = kmalloc(mqd_size, GFP_KERNEL);
406 if (!kiq->mqd_backup)
407 dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
410 if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) {
411 /* create MQD for each KGQ */
412 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
413 ring = &adev->gfx.gfx_ring[i];
414 if (!ring->mqd_obj) {
415 r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
416 AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
417 &ring->mqd_gpu_addr, &ring->mqd_ptr);
419 dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
423 ring->mqd_size = mqd_size;
424 /* prepare MQD backup */
425 adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL);
426 if (!adev->gfx.me.mqd_backup[i])
427 dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
432 /* create MQD for each KCQ */
433 for (i = 0; i < adev->gfx.num_compute_rings; i++) {
434 j = i + xcc_id * adev->gfx.num_compute_rings;
435 ring = &adev->gfx.compute_ring[j];
436 if (!ring->mqd_obj) {
437 r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
438 AMDGPU_GEM_DOMAIN_GTT, &ring->mqd_obj,
439 &ring->mqd_gpu_addr, &ring->mqd_ptr);
441 dev_warn(adev->dev, "failed to create ring mqd bo (%d)", r);
445 ring->mqd_size = mqd_size;
446 /* prepare MQD backup */
447 adev->gfx.mec.mqd_backup[j] = kmalloc(mqd_size, GFP_KERNEL);
448 if (!adev->gfx.mec.mqd_backup[j])
449 dev_warn(adev->dev, "no memory to create MQD backup for ring %s\n", ring->name);
456 void amdgpu_gfx_mqd_sw_fini(struct amdgpu_device *adev, int xcc_id)
458 struct amdgpu_ring *ring = NULL;
460 struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
462 if (adev->asic_type >= CHIP_NAVI10 && amdgpu_async_gfx_ring) {
463 for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
464 ring = &adev->gfx.gfx_ring[i];
465 kfree(adev->gfx.me.mqd_backup[i]);
466 amdgpu_bo_free_kernel(&ring->mqd_obj,
472 for (i = 0; i < adev->gfx.num_compute_rings; i++) {
473 j = i + xcc_id * adev->gfx.num_compute_rings;
474 ring = &adev->gfx.compute_ring[j];
475 kfree(adev->gfx.mec.mqd_backup[j]);
476 amdgpu_bo_free_kernel(&ring->mqd_obj,
482 kfree(kiq->mqd_backup);
483 kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]);
484 amdgpu_bo_free_kernel(&ring->mqd_obj,
489 int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev, int xcc_id)
491 struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
492 struct amdgpu_ring *kiq_ring = &kiq->ring;
496 if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
499 spin_lock(&kiq->ring_lock);
500 if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) {
501 if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size *
502 adev->gfx.num_compute_rings)) {
503 spin_unlock(&kiq->ring_lock);
507 for (i = 0; i < adev->gfx.num_compute_rings; i++) {
508 j = i + xcc_id * adev->gfx.num_compute_rings;
509 kiq->pmf->kiq_unmap_queues(kiq_ring,
510 &adev->gfx.compute_ring[i],
515 if (adev->gfx.kiq[0].ring.sched.ready && !adev->job_hang)
516 r = amdgpu_ring_test_helper(kiq_ring);
517 spin_unlock(&kiq->ring_lock);
522 int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev,
525 int mec, pipe, queue;
526 int set_resource_bit = 0;
528 amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
530 set_resource_bit = mec * 4 * 8 + pipe * 8 + queue;
532 return set_resource_bit;
535 int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev, int xcc_id)
537 struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_id];
538 struct amdgpu_ring *kiq_ring = &kiq->ring;
539 uint64_t queue_mask = 0;
542 if (!kiq->pmf || !kiq->pmf->kiq_map_queues || !kiq->pmf->kiq_set_resources)
545 for (i = 0; i < AMDGPU_MAX_COMPUTE_QUEUES; ++i) {
546 if (!test_bit(i, adev->gfx.mec_bitmap[xcc_id].queue_bitmap))
549 /* This situation may be hit in the future if a new HW
550 * generation exposes more than 64 queues. If so, the
551 * definition of queue_mask needs updating */
552 if (WARN_ON(i > (sizeof(queue_mask)*8))) {
553 DRM_ERROR("Invalid KCQ enabled: %d\n", i);
557 queue_mask |= (1ull << amdgpu_queue_mask_bit_to_set_resource_bit(adev, i));
560 DRM_INFO("kiq ring mec %d pipe %d q %d\n", kiq_ring->me, kiq_ring->pipe,
562 spin_lock(&kiq->ring_lock);
563 /* No need to map kcq on the slave */
564 if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) {
565 r = amdgpu_ring_alloc(kiq_ring, kiq->pmf->map_queues_size *
566 adev->gfx.num_compute_rings +
567 kiq->pmf->set_resources_size);
569 DRM_ERROR("Failed to lock KIQ (%d).\n", r);
570 spin_unlock(&adev->gfx.kiq[0].ring_lock);
574 if (adev->enable_mes)
577 kiq->pmf->kiq_set_resources(kiq_ring, queue_mask);
578 for (i = 0; i < adev->gfx.num_compute_rings; i++) {
579 j = i + xcc_id * adev->gfx.num_compute_rings;
580 kiq->pmf->kiq_map_queues(kiq_ring,
581 &adev->gfx.compute_ring[i]);
585 r = amdgpu_ring_test_helper(kiq_ring);
586 spin_unlock(&kiq->ring_lock);
588 DRM_ERROR("KCQ enable failed\n");
593 /* amdgpu_gfx_off_ctrl - Handle gfx off feature enable/disable
595 * @adev: amdgpu_device pointer
596 * @bool enable true: enable gfx off feature, false: disable gfx off feature
598 * 1. gfx off feature will be enabled by gfx ip after gfx cg gp enabled.
599 * 2. other client can send request to disable gfx off feature, the request should be honored.
600 * 3. other client can cancel their request of disable gfx off feature
601 * 4. other client should not send request to enable gfx off feature before disable gfx off feature.
604 void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)
606 unsigned long delay = GFX_OFF_DELAY_ENABLE;
608 if (!(adev->pm.pp_feature & PP_GFXOFF_MASK))
611 mutex_lock(&adev->gfx.gfx_off_mutex);
614 /* If the count is already 0, it means there's an imbalance bug somewhere.
615 * Note that the bug may be in a different caller than the one which triggers the
618 if (WARN_ON_ONCE(adev->gfx.gfx_off_req_count == 0))
621 adev->gfx.gfx_off_req_count--;
623 if (adev->gfx.gfx_off_req_count == 0 &&
624 !adev->gfx.gfx_off_state) {
625 /* If going to s2idle, no need to wait */
627 if (!amdgpu_dpm_set_powergating_by_smu(adev,
628 AMD_IP_BLOCK_TYPE_GFX, true))
629 adev->gfx.gfx_off_state = true;
631 schedule_delayed_work(&adev->gfx.gfx_off_delay_work,
636 if (adev->gfx.gfx_off_req_count == 0) {
637 cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work);
639 if (adev->gfx.gfx_off_state &&
640 !amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false)) {
641 adev->gfx.gfx_off_state = false;
643 if (adev->gfx.funcs->init_spm_golden) {
645 "GFXOFF is disabled, re-init SPM golden settings\n");
646 amdgpu_gfx_init_spm_golden(adev);
651 adev->gfx.gfx_off_req_count++;
655 mutex_unlock(&adev->gfx.gfx_off_mutex);
658 int amdgpu_set_gfx_off_residency(struct amdgpu_device *adev, bool value)
662 mutex_lock(&adev->gfx.gfx_off_mutex);
664 r = amdgpu_dpm_set_residency_gfxoff(adev, value);
666 mutex_unlock(&adev->gfx.gfx_off_mutex);
671 int amdgpu_get_gfx_off_residency(struct amdgpu_device *adev, u32 *value)
675 mutex_lock(&adev->gfx.gfx_off_mutex);
677 r = amdgpu_dpm_get_residency_gfxoff(adev, value);
679 mutex_unlock(&adev->gfx.gfx_off_mutex);
684 int amdgpu_get_gfx_off_entrycount(struct amdgpu_device *adev, u64 *value)
688 mutex_lock(&adev->gfx.gfx_off_mutex);
690 r = amdgpu_dpm_get_entrycount_gfxoff(adev, value);
692 mutex_unlock(&adev->gfx.gfx_off_mutex);
697 int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value)
702 mutex_lock(&adev->gfx.gfx_off_mutex);
704 r = amdgpu_dpm_get_status_gfxoff(adev, value);
706 mutex_unlock(&adev->gfx.gfx_off_mutex);
711 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
715 if (amdgpu_ras_is_supported(adev, ras_block->block)) {
716 if (!amdgpu_persistent_edc_harvesting_supported(adev))
717 amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
719 r = amdgpu_ras_block_late_init(adev, ras_block);
723 r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
727 amdgpu_ras_feature_enable_on_boot(adev, ras_block, 0);
732 amdgpu_ras_block_late_fini(adev, ras_block);
736 int amdgpu_gfx_ras_sw_init(struct amdgpu_device *adev)
739 struct amdgpu_gfx_ras *ras = NULL;
741 /* adev->gfx.ras is NULL, which means gfx does not
742 * support ras function, then do nothing here.
749 err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
751 dev_err(adev->dev, "Failed to register gfx ras block!\n");
755 strcpy(ras->ras_block.ras_comm.name, "gfx");
756 ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__GFX;
757 ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
758 adev->gfx.ras_if = &ras->ras_block.ras_comm;
760 /* If not define special ras_late_init function, use gfx default ras_late_init */
761 if (!ras->ras_block.ras_late_init)
762 ras->ras_block.ras_late_init = amdgpu_gfx_ras_late_init;
764 /* If not defined special ras_cb function, use default ras_cb */
765 if (!ras->ras_block.ras_cb)
766 ras->ras_block.ras_cb = amdgpu_gfx_process_ras_data_cb;
771 int amdgpu_gfx_poison_consumption_handler(struct amdgpu_device *adev,
772 struct amdgpu_iv_entry *entry)
774 if (adev->gfx.ras && adev->gfx.ras->poison_consumption_handler)
775 return adev->gfx.ras->poison_consumption_handler(adev, entry);
780 int amdgpu_gfx_process_ras_data_cb(struct amdgpu_device *adev,
782 struct amdgpu_iv_entry *entry)
784 /* TODO ue will trigger an interrupt.
786 * When “Full RAS” is enabled, the per-IP interrupt sources should
787 * be disabled and the driver should only look for the aggregated
788 * interrupt via sync flood
790 if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX)) {
791 kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
792 if (adev->gfx.ras && adev->gfx.ras->ras_block.hw_ops &&
793 adev->gfx.ras->ras_block.hw_ops->query_ras_error_count)
794 adev->gfx.ras->ras_block.hw_ops->query_ras_error_count(adev, err_data);
795 amdgpu_ras_reset_gpu(adev);
797 return AMDGPU_RAS_SUCCESS;
800 int amdgpu_gfx_cp_ecc_error_irq(struct amdgpu_device *adev,
801 struct amdgpu_irq_src *source,
802 struct amdgpu_iv_entry *entry)
804 struct ras_common_if *ras_if = adev->gfx.ras_if;
805 struct ras_dispatch_if ih_data = {
812 ih_data.head = *ras_if;
814 DRM_ERROR("CP ECC ERROR IRQ\n");
815 amdgpu_ras_interrupt_dispatch(adev, &ih_data);
819 uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
821 signed long r, cnt = 0;
823 uint32_t seq, reg_val_offs = 0, value = 0;
824 struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
825 struct amdgpu_ring *ring = &kiq->ring;
827 if (amdgpu_device_skip_hw_access(adev))
830 if (adev->mes.ring.sched.ready)
831 return amdgpu_mes_rreg(adev, reg);
833 BUG_ON(!ring->funcs->emit_rreg);
835 spin_lock_irqsave(&kiq->ring_lock, flags);
836 if (amdgpu_device_wb_get(adev, ®_val_offs)) {
837 pr_err("critical bug! too many kiq readers\n");
840 amdgpu_ring_alloc(ring, 32);
841 amdgpu_ring_emit_rreg(ring, reg, reg_val_offs);
842 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
846 amdgpu_ring_commit(ring);
847 spin_unlock_irqrestore(&kiq->ring_lock, flags);
849 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
851 /* don't wait anymore for gpu reset case because this way may
852 * block gpu_recover() routine forever, e.g. this virt_kiq_rreg
853 * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will
854 * never return if we keep waiting in virt_kiq_rreg, which cause
855 * gpu_recover() hang there.
857 * also don't wait anymore for IRQ context
859 if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt()))
860 goto failed_kiq_read;
863 while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
864 msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
865 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
868 if (cnt > MAX_KIQ_REG_TRY)
869 goto failed_kiq_read;
872 value = adev->wb.wb[reg_val_offs];
873 amdgpu_device_wb_free(adev, reg_val_offs);
877 amdgpu_ring_undo(ring);
879 spin_unlock_irqrestore(&kiq->ring_lock, flags);
882 amdgpu_device_wb_free(adev, reg_val_offs);
883 dev_err(adev->dev, "failed to read reg:%x\n", reg);
887 void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
889 signed long r, cnt = 0;
892 struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
893 struct amdgpu_ring *ring = &kiq->ring;
895 BUG_ON(!ring->funcs->emit_wreg);
897 if (amdgpu_device_skip_hw_access(adev))
900 if (adev->mes.ring.sched.ready) {
901 amdgpu_mes_wreg(adev, reg, v);
905 spin_lock_irqsave(&kiq->ring_lock, flags);
906 amdgpu_ring_alloc(ring, 32);
907 amdgpu_ring_emit_wreg(ring, reg, v);
908 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
912 amdgpu_ring_commit(ring);
913 spin_unlock_irqrestore(&kiq->ring_lock, flags);
915 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
917 /* don't wait anymore for gpu reset case because this way may
918 * block gpu_recover() routine forever, e.g. this virt_kiq_rreg
919 * is triggered in TTM and ttm_bo_lock_delayed_workqueue() will
920 * never return if we keep waiting in virt_kiq_rreg, which cause
921 * gpu_recover() hang there.
923 * also don't wait anymore for IRQ context
925 if (r < 1 && (amdgpu_in_reset(adev) || in_interrupt()))
926 goto failed_kiq_write;
929 while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) {
931 msleep(MAX_KIQ_REG_BAILOUT_INTERVAL);
932 r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT);
935 if (cnt > MAX_KIQ_REG_TRY)
936 goto failed_kiq_write;
941 amdgpu_ring_undo(ring);
942 spin_unlock_irqrestore(&kiq->ring_lock, flags);
944 dev_err(adev->dev, "failed to write reg:%x\n", reg);
947 int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev)
949 if (amdgpu_num_kcq == -1) {
951 } else if (amdgpu_num_kcq > 8 || amdgpu_num_kcq < 0) {
952 dev_warn(adev->dev, "set kernel compute queue number to 8 due to invalid parameter provided by user\n");
955 return amdgpu_num_kcq;
958 void amdgpu_gfx_cp_init_microcode(struct amdgpu_device *adev,
961 const struct gfx_firmware_header_v1_0 *cp_hdr;
962 const struct gfx_firmware_header_v2_0 *cp_hdr_v2_0;
963 struct amdgpu_firmware_info *info = NULL;
964 const struct firmware *ucode_fw;
965 unsigned int fw_size;
968 case AMDGPU_UCODE_ID_CP_PFP:
969 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
970 adev->gfx.pfp_fw->data;
971 adev->gfx.pfp_fw_version =
972 le32_to_cpu(cp_hdr->header.ucode_version);
973 adev->gfx.pfp_feature_version =
974 le32_to_cpu(cp_hdr->ucode_feature_version);
975 ucode_fw = adev->gfx.pfp_fw;
976 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
978 case AMDGPU_UCODE_ID_CP_RS64_PFP:
979 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
980 adev->gfx.pfp_fw->data;
981 adev->gfx.pfp_fw_version =
982 le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
983 adev->gfx.pfp_feature_version =
984 le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
985 ucode_fw = adev->gfx.pfp_fw;
986 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
988 case AMDGPU_UCODE_ID_CP_RS64_PFP_P0_STACK:
989 case AMDGPU_UCODE_ID_CP_RS64_PFP_P1_STACK:
990 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
991 adev->gfx.pfp_fw->data;
992 ucode_fw = adev->gfx.pfp_fw;
993 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
995 case AMDGPU_UCODE_ID_CP_ME:
996 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
997 adev->gfx.me_fw->data;
998 adev->gfx.me_fw_version =
999 le32_to_cpu(cp_hdr->header.ucode_version);
1000 adev->gfx.me_feature_version =
1001 le32_to_cpu(cp_hdr->ucode_feature_version);
1002 ucode_fw = adev->gfx.me_fw;
1003 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1005 case AMDGPU_UCODE_ID_CP_RS64_ME:
1006 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1007 adev->gfx.me_fw->data;
1008 adev->gfx.me_fw_version =
1009 le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1010 adev->gfx.me_feature_version =
1011 le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1012 ucode_fw = adev->gfx.me_fw;
1013 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1015 case AMDGPU_UCODE_ID_CP_RS64_ME_P0_STACK:
1016 case AMDGPU_UCODE_ID_CP_RS64_ME_P1_STACK:
1017 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1018 adev->gfx.me_fw->data;
1019 ucode_fw = adev->gfx.me_fw;
1020 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1022 case AMDGPU_UCODE_ID_CP_CE:
1023 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1024 adev->gfx.ce_fw->data;
1025 adev->gfx.ce_fw_version =
1026 le32_to_cpu(cp_hdr->header.ucode_version);
1027 adev->gfx.ce_feature_version =
1028 le32_to_cpu(cp_hdr->ucode_feature_version);
1029 ucode_fw = adev->gfx.ce_fw;
1030 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes);
1032 case AMDGPU_UCODE_ID_CP_MEC1:
1033 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1034 adev->gfx.mec_fw->data;
1035 adev->gfx.mec_fw_version =
1036 le32_to_cpu(cp_hdr->header.ucode_version);
1037 adev->gfx.mec_feature_version =
1038 le32_to_cpu(cp_hdr->ucode_feature_version);
1039 ucode_fw = adev->gfx.mec_fw;
1040 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) -
1041 le32_to_cpu(cp_hdr->jt_size) * 4;
1043 case AMDGPU_UCODE_ID_CP_MEC1_JT:
1044 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1045 adev->gfx.mec_fw->data;
1046 ucode_fw = adev->gfx.mec_fw;
1047 fw_size = le32_to_cpu(cp_hdr->jt_size) * 4;
1049 case AMDGPU_UCODE_ID_CP_MEC2:
1050 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1051 adev->gfx.mec2_fw->data;
1052 adev->gfx.mec2_fw_version =
1053 le32_to_cpu(cp_hdr->header.ucode_version);
1054 adev->gfx.mec2_feature_version =
1055 le32_to_cpu(cp_hdr->ucode_feature_version);
1056 ucode_fw = adev->gfx.mec2_fw;
1057 fw_size = le32_to_cpu(cp_hdr->header.ucode_size_bytes) -
1058 le32_to_cpu(cp_hdr->jt_size) * 4;
1060 case AMDGPU_UCODE_ID_CP_MEC2_JT:
1061 cp_hdr = (const struct gfx_firmware_header_v1_0 *)
1062 adev->gfx.mec2_fw->data;
1063 ucode_fw = adev->gfx.mec2_fw;
1064 fw_size = le32_to_cpu(cp_hdr->jt_size) * 4;
1066 case AMDGPU_UCODE_ID_CP_RS64_MEC:
1067 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1068 adev->gfx.mec_fw->data;
1069 adev->gfx.mec_fw_version =
1070 le32_to_cpu(cp_hdr_v2_0->header.ucode_version);
1071 adev->gfx.mec_feature_version =
1072 le32_to_cpu(cp_hdr_v2_0->ucode_feature_version);
1073 ucode_fw = adev->gfx.mec_fw;
1074 fw_size = le32_to_cpu(cp_hdr_v2_0->ucode_size_bytes);
1076 case AMDGPU_UCODE_ID_CP_RS64_MEC_P0_STACK:
1077 case AMDGPU_UCODE_ID_CP_RS64_MEC_P1_STACK:
1078 case AMDGPU_UCODE_ID_CP_RS64_MEC_P2_STACK:
1079 case AMDGPU_UCODE_ID_CP_RS64_MEC_P3_STACK:
1080 cp_hdr_v2_0 = (const struct gfx_firmware_header_v2_0 *)
1081 adev->gfx.mec_fw->data;
1082 ucode_fw = adev->gfx.mec_fw;
1083 fw_size = le32_to_cpu(cp_hdr_v2_0->data_size_bytes);
1089 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1090 info = &adev->firmware.ucode[ucode_id];
1091 info->ucode_id = ucode_id;
1092 info->fw = ucode_fw;
1093 adev->firmware.fw_size += ALIGN(fw_size, PAGE_SIZE);
1097 bool amdgpu_gfx_is_master_xcc(struct amdgpu_device *adev, int xcc_id)
1099 return !(xcc_id % (adev->gfx.num_xcc_per_xcp ?
1100 adev->gfx.num_xcc_per_xcp : 1));