Messages in this thread Patch in this message | | | From | Jeffrey Hugo <> | Subject | [PATCH 2/5] accel/qaic: Validate if BO is sliced before slicing | Date | Wed, 17 May 2023 13:35:37 -0600 |
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From: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
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> --- drivers/accel/qaic/qaic_data.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/accel/qaic/qaic_data.c b/drivers/accel/qaic/qaic_data.c index 7a4397e3122b..1285c3dc9aef 100644 --- a/drivers/accel/qaic/qaic_data.c +++ b/drivers/accel/qaic/qaic_data.c @@ -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; -- 2.40.1
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