It has two mutually exclusive background planes (same Z level) + one overlay plane.

-Paul


Le sam. 27 mars 2021 à 11:24, Simon Ser <cont...@emersion.fr> a écrit :
On Saturday, March 27th, 2021 at 12:22 PM, Paul Cercueil <p...@crapouillou.net> wrote:

 The ingenic-drm driver has two mutually exclusive primary planes
 already; so the fact that a CRTC must have one and only one primary
 plane is an invalid assumption.

Why does this driver expose two primary planes, if it only has a single
CRTC?


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