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path: root/drivers/gpu/drm/amd/amdkfd
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_chardev.c7
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_migrate.c16
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process.c23
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_svm.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_topology.c5
5 files changed, 39 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 55aa74cbc532..1e6cc0bfc432 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1139,7 +1139,7 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
goto err_unlock;
}
offset = dev->adev->rmmio_remap.bus_addr;
- if (!offset) {
+ if (!offset || (PAGE_SIZE > 4096)) {
err = -ENOMEM;
goto err_unlock;
}
@@ -2307,7 +2307,7 @@ static int criu_restore_memory_of_gpu(struct kfd_process_device *pdd,
return -EINVAL;
}
offset = pdd->dev->adev->rmmio_remap.bus_addr;
- if (!offset) {
+ if (!offset || (PAGE_SIZE > 4096)) {
pr_err("amdgpu_amdkfd_get_mmio_remap_phys_addr failed\n");
return -ENOMEM;
}
@@ -3349,6 +3349,9 @@ static int kfd_mmio_mmap(struct kfd_node *dev, struct kfd_process *process,
if (vma->vm_end - vma->vm_start != PAGE_SIZE)
return -EINVAL;
+ if (PAGE_SIZE > 4096)
+ return -EINVAL;
+
address = dev->adev->rmmio_remap.bus_addr;
vm_flags_set(vma, VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_NORESERVE |
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index bdc01ca9609a..5c8d81bfce7a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -509,10 +509,19 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc,
start = start_mgr << PAGE_SHIFT;
end = (last_mgr + 1) << PAGE_SHIFT;
+ r = amdgpu_amdkfd_reserve_mem_limit(node->adev,
+ prange->npages * PAGE_SIZE,
+ KFD_IOC_ALLOC_MEM_FLAGS_VRAM,
+ node->xcp ? node->xcp->id : 0);
+ if (r) {
+ dev_dbg(node->adev->dev, "failed to reserve VRAM, r: %ld\n", r);
+ return -ENOSPC;
+ }
+
r = svm_range_vram_node_new(node, prange, true);
if (r) {
dev_dbg(node->adev->dev, "fail %ld to alloc vram\n", r);
- return r;
+ goto out;
}
ttm_res_offset = (start_mgr - prange->start + prange->offset) << PAGE_SHIFT;
@@ -545,6 +554,11 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc,
svm_range_vram_node_free(prange);
}
+out:
+ amdgpu_amdkfd_unreserve_mem_limit(node->adev,
+ prange->npages * PAGE_SIZE,
+ KFD_IOC_ALLOC_MEM_FLAGS_VRAM,
+ node->xcp ? node->xcp->id : 0);
return r < 0 ? r : 0;
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index b79986412cd8..451bb058cc62 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -829,6 +829,14 @@ struct kfd_process *kfd_create_process(struct task_struct *thread)
if (process) {
pr_debug("Process already found\n");
} else {
+ /* If the process just called exec(3), it is possible that the
+ * cleanup of the kfd_process (following the release of the mm
+ * of the old process image) is still in the cleanup work queue.
+ * Make sure to drain any job before trying to recreate any
+ * resource for this process.
+ */
+ flush_workqueue(kfd_process_wq);
+
process = create_process(thread);
if (IS_ERR(process))
goto out;
@@ -1922,6 +1930,8 @@ static int signal_eviction_fence(struct kfd_process *p)
rcu_read_lock();
ef = dma_fence_get_rcu_safe(&p->ef);
rcu_read_unlock();
+ if (!ef)
+ return -EINVAL;
ret = dma_fence_signal(ef);
dma_fence_put(ef);
@@ -1949,10 +1959,9 @@ static void evict_process_worker(struct work_struct *work)
* they are responsible stopping the queues and scheduling
* the restore work.
*/
- if (!signal_eviction_fence(p))
- queue_delayed_work(kfd_restore_wq, &p->restore_work,
- msecs_to_jiffies(PROCESS_RESTORE_TIME_MS));
- else
+ if (signal_eviction_fence(p) ||
+ mod_delayed_work(kfd_restore_wq, &p->restore_work,
+ msecs_to_jiffies(PROCESS_RESTORE_TIME_MS)))
kfd_process_restore_queues(p);
pr_debug("Finished evicting pasid 0x%x\n", p->pasid);
@@ -2011,9 +2020,9 @@ static void restore_process_worker(struct work_struct *work)
if (ret) {
pr_debug("Failed to restore BOs of pasid 0x%x, retry after %d ms\n",
p->pasid, PROCESS_BACK_OFF_TIME_MS);
- ret = queue_delayed_work(kfd_restore_wq, &p->restore_work,
- msecs_to_jiffies(PROCESS_BACK_OFF_TIME_MS));
- WARN(!ret, "reschedule restore work failed\n");
+ if (mod_delayed_work(kfd_restore_wq, &p->restore_work,
+ msecs_to_jiffies(PROCESS_RESTORE_TIME_MS)))
+ kfd_process_restore_queues(p);
}
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index f0f7f48af413..386875e6eb96 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -3426,7 +3426,7 @@ svm_range_trigger_migration(struct mm_struct *mm, struct svm_range *prange,
mm, KFD_MIGRATE_TRIGGER_PREFETCH);
*migrated = !r;
- return r;
+ return 0;
}
int svm_range_schedule_evict_svm_bo(struct amdgpu_amdkfd_fence *fence)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index c51f131eaa2f..bc9eb847ecfe 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -1997,9 +1997,8 @@ int kfd_topology_add_device(struct kfd_node *gpu)
HSA_CAP_ASIC_REVISION_MASK);
dev->node_props.location_id = pci_dev_id(gpu->adev->pdev);
- /* On multi-partition nodes, node id = location_id[31:28] */
- if (gpu->kfd->num_nodes > 1)
- dev->node_props.location_id |= (dev->gpu->node_id << 28);
+ if (KFD_GC_VERSION(dev->gpu->kfd) == IP_VERSION(9, 4, 3))
+ dev->node_props.location_id |= dev->gpu->node_id;
dev->node_props.domain = pci_domain_nr(gpu->adev->pdev->bus);
dev->node_props.max_engine_clk_fcompute =