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path: root/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_chardev.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_chardev.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index ae3ae0fb2602..3623538baf6f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1274,6 +1274,12 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
return -EINVAL;
}
+ if (flags & KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL) {
+ if (args->size != kfd_doorbell_process_slice(dev))
+ return -EINVAL;
+ offset = kfd_get_process_doorbells(dev, p);
+ }
+
mutex_lock(&p->mutex);
pdd = kfd_bind_process_to_device(dev, p);
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