On Thu, May 21, 2026 at 5:35 PM Maaz Mombasawala
<[email protected]> wrote:
>
> In cases where old_state may not be present we hit a null dereference.
> Add a check to fix this and also do an early return if there is no
> new_state or crtc since there is nothing to do in that case.
> This fixes igt test kms_cursor_legacy@torture-bo.
>

We only need the crtc to access the du via container_of, I added
vmw_primary_to_du in a recent commit, you can add a similar
vmw_cursor_to_du and remove the need get the crtc.

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