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accel/qaic: Validate if BO is sliced before slicing

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QAIC_ATTACH_SLICE_BO attaches slicing configuration to a BO. Validate if
given BO is already sliced. An already sliced BO cannot be sliced again.

Fixes: ff13be830333 ("accel/qaic: Add datapath")
Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230517193540.14323-3-quic_jhugo@quicinc.com
This commit is contained in:
Pranjal Ramajor Asha Kanojiya 2023-05-17 13:35:37 -06:00 committed by Jeffrey Hugo
parent d3b277b7aa
commit 2e0904efc9
1 changed files with 5 additions and 0 deletions
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5
drivers/accel/qaic/qaic_data.c
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@ -1001,6 +1001,11 @@ int qaic_attach_slice_bo_ioctl(struct drm_device *dev, void *data, struct drm_fi
bo = to_qaic_bo(obj);
if (bo->sliced) {
ret = -EINVAL;
goto put_bo;
}
ret = qaic_prepare_bo(qdev, bo, &args->hdr);
if (ret)
goto put_bo;