Re: [PATCH] drm: DON'T require each CRTC to have a unique primary plane

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On Monday, March 29th, 2021 at 5:39 PM, Paul Cercueil <paul@xxxxxxxxxxxxxxx> wrote:

> Ok, I read that as "all drivers should provide AT LEAST one primary
> plane per CRTC", and not as "all drivers should provide ONE AND ONLY
> ONE primary plane per CRTC". My bad.

Yeah, it's a little complicated to document, because it's possible for
a primary plane to be compatible with multiple CRTCs… We tried to
improve this [1] recently.

[1]: https://dri.freedesktop.org/docs/drm/gpu/drm-kms.html#plane-abstraction
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