struct amdgpu_job *job)
{
struct amdgpu_device *adev = ring->adev;
+ unsigned vmhub = ring->funcs->vmhub;
+ struct amdgpu_vm_id_manager *id_mgr = &adev->vm_manager.id_mgr[vmhub];
uint64_t fence_context = adev->fence_context + ring->idx;
struct dma_fence *updates = sync->last_vm_update;
struct amdgpu_vm_id *id, *idle;
unsigned i;
int r = 0;
- fences = kmalloc_array(sizeof(void *), adev->vm_manager.num_ids,
- GFP_KERNEL);
+ fences = kmalloc_array(sizeof(void *), id_mgr->num_ids, GFP_KERNEL);
if (!fences)
return -ENOMEM;
- mutex_lock(&adev->vm_manager.lock);
+ mutex_lock(&id_mgr->lock);
/* Check if we have an idle VMID */
i = 0;
- list_for_each_entry(idle, &adev->vm_manager.ids_lru, list) {
+ list_for_each_entry(idle, &id_mgr->ids_lru, list) {
fences[i] = amdgpu_sync_peek_fence(&idle->active, ring);
if (!fences[i])
break;
}
/* If we can't find a idle VMID to use, wait till one becomes available */
- if (&idle->list == &adev->vm_manager.ids_lru) {
+ if (&idle->list == &id_mgr->ids_lru) {
u64 fence_context = adev->vm_manager.fence_context + ring->idx;
unsigned seqno = ++adev->vm_manager.seqno[ring->idx];
struct dma_fence_array *array;
if (r)
goto error;
- mutex_unlock(&adev->vm_manager.lock);
+ mutex_unlock(&id_mgr->lock);
return 0;
}
kfree(fences);
- job->vm_needs_flush = true;
+ job->vm_needs_flush = false;
/* Check if we can use a VMID already assigned to this VM */
- i = ring->idx;
- do {
+ list_for_each_entry_reverse(id, &id_mgr->ids_lru, list) {
struct dma_fence *flushed;
-
- id = vm->ids[i++];
- if (i == AMDGPU_MAX_RINGS)
- i = 0;
+ bool needs_flush = false;
/* Check all the prerequisites to using this VMID */
- if (!id)
- continue;
if (amdgpu_vm_had_gpu_reset(adev, id))
continue;
if (job->vm_pd_addr != id->pd_gpu_addr)
continue;
- if (!id->last_flush)
- continue;
-
- if (id->last_flush->context != fence_context &&
- !dma_fence_is_signaled(id->last_flush))
- continue;
+ if (!id->last_flush ||
+ (id->last_flush->context != fence_context &&
+ !dma_fence_is_signaled(id->last_flush)))
+ needs_flush = true;
flushed = id->flushed_updates;
- if (updates &&
- (!flushed || dma_fence_is_later(updates, flushed)))
+ if (updates && (!flushed || dma_fence_is_later(updates, flushed)))
+ needs_flush = true;
+
+ /* Concurrent flushes are only possible starting with Vega10 */
+ if (adev->asic_type < CHIP_VEGA10 && needs_flush)
continue;
/* Good we can use this VMID. Remember this submission as
if (r)
goto error;
- list_move_tail(&id->list, &adev->vm_manager.ids_lru);
- vm->ids[ring->idx] = id;
-
- job->vm_id = id - adev->vm_manager.ids;
- job->vm_needs_flush = false;
- trace_amdgpu_vm_grab_id(vm, ring->idx, job);
+ if (updates && (!flushed || dma_fence_is_later(updates, flushed))) {
+ dma_fence_put(id->flushed_updates);
+ id->flushed_updates = dma_fence_get(updates);
+ }
- mutex_unlock(&adev->vm_manager.lock);
- return 0;
+ if (needs_flush)
+ goto needs_flush;
+ else
+ goto no_flush_needed;
- } while (i != ring->idx);
+ };
/* Still no ID to use? Then use the idle one found earlier */
id = idle;
if (r)
goto error;
- dma_fence_put(id->last_flush);
- id->last_flush = NULL;
-
+ id->pd_gpu_addr = job->vm_pd_addr;
dma_fence_put(id->flushed_updates);
id->flushed_updates = dma_fence_get(updates);
-
- id->pd_gpu_addr = job->vm_pd_addr;
id->current_gpu_reset_count = atomic_read(&adev->gpu_reset_counter);
- list_move_tail(&id->list, &adev->vm_manager.ids_lru);
atomic64_set(&id->owner, vm->client_id);
- vm->ids[ring->idx] = id;
- job->vm_id = id - adev->vm_manager.ids;
- trace_amdgpu_vm_grab_id(vm, ring->idx, job);
+needs_flush:
+ job->vm_needs_flush = true;
+ dma_fence_put(id->last_flush);
+ id->last_flush = NULL;
+
+no_flush_needed:
+ list_move_tail(&id->list, &id_mgr->ids_lru);
+
+ job->vm_id = id - id_mgr->ids;
+ trace_amdgpu_vm_grab_id(vm, ring, job);
error:
- mutex_unlock(&adev->vm_manager.lock);
+ mutex_unlock(&id_mgr->lock);
return r;
}
int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job)
{
struct amdgpu_device *adev = ring->adev;
- struct amdgpu_vm_id *id = &adev->vm_manager.ids[job->vm_id];
+ unsigned vmhub = ring->funcs->vmhub;
+ struct amdgpu_vm_id_manager *id_mgr = &adev->vm_manager.id_mgr[vmhub];
+ struct amdgpu_vm_id *id = &id_mgr->ids[job->vm_id];
bool gds_switch_needed = ring->funcs->emit_gds_switch && (
id->gds_base != job->gds_base ||
id->gds_size != job->gds_size ||
if (ring->funcs->init_cond_exec)
patch_offset = amdgpu_ring_init_cond_exec(ring);
- if (ring->funcs->emit_pipeline_sync)
+ if (ring->funcs->emit_pipeline_sync && !job->need_pipeline_sync)
amdgpu_ring_emit_pipeline_sync(ring);
if (ring->funcs->emit_vm_flush && vm_flush_needed) {
u64 pd_addr = amdgpu_vm_adjust_mc_addr(adev, job->vm_pd_addr);
struct dma_fence *fence;
- trace_amdgpu_vm_flush(pd_addr, ring->idx, job->vm_id);
+ trace_amdgpu_vm_flush(ring, job->vm_id, pd_addr);
amdgpu_ring_emit_vm_flush(ring, job->vm_id, pd_addr);
r = amdgpu_fence_emit(ring, &fence);
if (r)
return r;
- mutex_lock(&adev->vm_manager.lock);
+ mutex_lock(&id_mgr->lock);
dma_fence_put(id->last_flush);
id->last_flush = fence;
- mutex_unlock(&adev->vm_manager.lock);
+ mutex_unlock(&id_mgr->lock);
}
- if (gds_switch_needed) {
+ if (ring->funcs->emit_gds_switch && gds_switch_needed) {
id->gds_base = job->gds_base;
id->gds_size = job->gds_size;
id->gws_base = job->gws_base;
*
* Reset saved GDW, GWS and OA to force switch on next flush.
*/
-void amdgpu_vm_reset_id(struct amdgpu_device *adev, unsigned vm_id)
+void amdgpu_vm_reset_id(struct amdgpu_device *adev, unsigned vmhub,
+ unsigned vmid)
{
- struct amdgpu_vm_id *id = &adev->vm_manager.ids[vm_id];
+ struct amdgpu_vm_id_manager *id_mgr = &adev->vm_manager.id_mgr[vmhub];
+ struct amdgpu_vm_id *id = &id_mgr->ids[vmid];
+ atomic64_set(&id->owner, 0);
id->gds_base = 0;
id->gds_size = 0;
id->gws_base = 0;
id->oa_size = 0;
}
+/**
+ * amdgpu_vm_reset_all_id - reset VMID to zero
+ *
+ * @adev: amdgpu device structure
+ *
+ * Reset VMID to force flush on next use
+ */
+void amdgpu_vm_reset_all_ids(struct amdgpu_device *adev)
+{
+ unsigned i, j;
+
+ for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) {
+ struct amdgpu_vm_id_manager *id_mgr =
+ &adev->vm_manager.id_mgr[i];
+
+ for (j = 1; j < id_mgr->num_ids; ++j)
+ amdgpu_vm_reset_id(adev, i, j);
+ }
+}
+
/**
* amdgpu_vm_bo_find - find the bo_va for a specific vm & bo
*
flags &= ~AMDGPU_PTE_MTYPE_MASK;
flags |= (mapping->flags & AMDGPU_PTE_MTYPE_MASK);
+ if ((mapping->flags & AMDGPU_PTE_PRT) &&
+ (adev->asic_type >= CHIP_VEGA10)) {
+ flags |= AMDGPU_PTE_PRT;
+ flags &= ~AMDGPU_PTE_VALID;
+ }
+
trace_amdgpu_vm_bo_update(mapping);
pfn = mapping->offset >> PAGE_SHIFT;
struct amdgpu_bo_va_mapping, list);
list_del(&mapping->list);
- r = amdgpu_vm_bo_split_mapping(adev, NULL, 0, NULL, vm, mapping,
- 0, 0, &f);
+ r = amdgpu_vm_bo_update_mapping(adev, NULL, 0, NULL, vm,
+ mapping->start, mapping->last,
+ 0, 0, &f);
amdgpu_vm_free_mapping(adev, vm, mapping, f);
if (r) {
dma_fence_put(f);
unsigned ring_instance;
struct amdgpu_ring *ring;
struct amd_sched_rq *rq;
- int i, r;
+ int r, i;
- for (i = 0; i < AMDGPU_MAX_RINGS; ++i)
- vm->ids[i] = NULL;
vm->va = RB_ROOT;
vm->client_id = atomic64_inc_return(&adev->vm_manager.client_counter);
+ for (i = 0; i < AMDGPU_MAX_VMHUBS; i++)
+ vm->reserved_vmid[i] = NULL;
spin_lock_init(&vm->status_lock);
INIT_LIST_HEAD(&vm->invalidated);
INIT_LIST_HEAD(&vm->cleared);
{
struct amdgpu_bo_va_mapping *mapping, *tmp;
bool prt_fini_needed = !!adev->gart.gart_funcs->set_prt;
+ int i;
amd_sched_entity_fini(vm->entity.sched, &vm->entity);
amdgpu_vm_free_levels(&vm->root);
dma_fence_put(vm->last_dir_update);
+ for (i = 0; i < AMDGPU_MAX_VMHUBS; i++) {
+ struct amdgpu_vm_id_manager *id_mgr =
+ &adev->vm_manager.id_mgr[i];
+
+ mutex_lock(&id_mgr->lock);
+ if (vm->reserved_vmid[i]) {
+ list_add(&vm->reserved_vmid[i]->list,
+ &id_mgr->ids_lru);
+ vm->reserved_vmid[i] = NULL;
+ }
+ mutex_unlock(&id_mgr->lock);
+ }
}
/**
*/
void amdgpu_vm_manager_init(struct amdgpu_device *adev)
{
- unsigned i;
+ unsigned i, j;
+
+ for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) {
+ struct amdgpu_vm_id_manager *id_mgr =
+ &adev->vm_manager.id_mgr[i];
- INIT_LIST_HEAD(&adev->vm_manager.ids_lru);
+ mutex_init(&id_mgr->lock);
+ INIT_LIST_HEAD(&id_mgr->ids_lru);
- /* skip over VMID 0, since it is the system VM */
- for (i = 1; i < adev->vm_manager.num_ids; ++i) {
- amdgpu_vm_reset_id(adev, i);
- amdgpu_sync_create(&adev->vm_manager.ids[i].active);
- list_add_tail(&adev->vm_manager.ids[i].list,
- &adev->vm_manager.ids_lru);
+ /* skip over VMID 0, since it is the system VM */
+ for (j = 1; j < id_mgr->num_ids; ++j) {
+ amdgpu_vm_reset_id(adev, i, j);
+ amdgpu_sync_create(&id_mgr->ids[i].active);
+ list_add_tail(&id_mgr->ids[j].list, &id_mgr->ids_lru);
+ }
}
adev->vm_manager.fence_context =
*/
void amdgpu_vm_manager_fini(struct amdgpu_device *adev)
{
- unsigned i;
+ unsigned i, j;
- for (i = 0; i < AMDGPU_NUM_VM; ++i) {
- struct amdgpu_vm_id *id = &adev->vm_manager.ids[i];
+ for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) {
+ struct amdgpu_vm_id_manager *id_mgr =
+ &adev->vm_manager.id_mgr[i];
- amdgpu_sync_free(&adev->vm_manager.ids[i].active);
- dma_fence_put(id->flushed_updates);
- dma_fence_put(id->last_flush);
+ mutex_destroy(&id_mgr->lock);
+ for (j = 0; j < AMDGPU_NUM_VM; ++j) {
+ struct amdgpu_vm_id *id = &id_mgr->ids[j];
+
+ amdgpu_sync_free(&id->active);
+ dma_fence_put(id->flushed_updates);
+ dma_fence_put(id->last_flush);
+ }
}
}
+
+int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
+{
+ union drm_amdgpu_vm *args = data;
+
+ switch (args->in.op) {
+ case AMDGPU_VM_OP_RESERVE_VMID:
+ case AMDGPU_VM_OP_UNRESERVE_VMID:
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}