On Tue, 28 Feb 2023 13:28:48 +0200 Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> wrote: > On Tue, Feb 28, 2023 at 12:12:22PM +0200, Pekka Paalanen wrote: > > Oh! That would be really good to mention in the doc. Maybe even prefer > > plane props over this? Or is this for analog TV, and plane props for > > digital TV? > > Plane properties would be pointless for this. CRTC properties might > make sense. But what is more accurate kinda depends on the hardware > design. I meant the existing plane properties CRTC_X,Y,W,H. They can already describe e.g. a primary plane that does not cover the whole CRTC area, which is essentially the same as margins, scaling included even. > Some hardware has scalers and all kinds of fancy stuff in the > encoder essentially. Quite common in old TV encoder chips. > That's pretty much where these properties came from I think. > > And eDP/LVDS/etc. also do scaling in the connector in the > current model since that's where the 'scaling mode' property > lives. Ok, that makes sense. Thanks, pq
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