summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_chardev.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_chardev.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 08da993df..88ad54f88 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1138,7 +1138,7 @@ 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;
}
@@ -1522,7 +1522,7 @@ static int kfd_ioctl_get_dmabuf_info(struct file *filep,
/* Find a KFD GPU device that supports the get_dmabuf_info query */
for (i = 0; kfd_topology_enum_kfd_devices(i, &dev) == 0; i++)
- if (dev)
+ if (dev && !kfd_devcgroup_check_permission(dev))
break;
if (!dev)
return -EINVAL;
@@ -1544,7 +1544,7 @@ static int kfd_ioctl_get_dmabuf_info(struct file *filep,
if (xcp_id >= 0)
args->gpu_id = dmabuf_adev->kfd.dev->nodes[xcp_id]->id;
else
- args->gpu_id = dmabuf_adev->kfd.dev->nodes[0]->id;
+ args->gpu_id = dev->id;
args->flags = flags;
/* Copy metadata buffer to user mode */
@@ -2306,7 +2306,7 @@ 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;
}
@@ -3347,6 +3347,9 @@ 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 |