Re: [PATCH v6 1/9] drm/omap: add sanity plane state check

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On 18/10/2021 17:28, Neil Armstrong wrote:
Call drm_atomic_helper_check_plane_state() from the plane
atomic_check() callback in order to add plane state sanity
checking.

It will permit filtering out totally bad scaling factors, even
if the real check are done later in the atomic commit.

I think there's more to it: the function sets plane_state->visible, which is used in later patches.

 Tomi



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