Re: [PATCH] drm/vc4: Add support for plane alpha

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Stefan Schake <stschake@xxxxxxxxx> writes:

> The HVS supports mixing fixed alpha with per-pixel alpha or
> setting a fixed plane alpha in case there is no per-pixel information.
> This allows us to support the generic DRM plane alpha property.

Don't we need to set needs_bg_fill based on alpha != OPAQUE, as well?

Other than that, looks good to me.

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