drm/vc4: fix two phase errors in the HVS scaler, and the chroma siting default - #7630

Merged

pelwell merged 5 commits into

raspberrypi:rpi-6.18.yfrom

popcornmix:cositing

Sep 23, 2026

Commits on Sep 22, 2026

drm/vc4: Don't assume 4:2:0 subsampling in the scaler phase calculation
popcornmix
committed
d9ad506
drm/vc4: Ignore chroma siting on a non-subsampled axis
popcornmix
committed
aa98d0c
drm/vc4: Add the missing half-destination-pixel term to the PPF phase
popcornmix
committed
2f62997
drm/vc4: Default vertical chroma siting to interstitial
popcornmix
committed
438d287
drm/vc4: Tabulate the PPF filter kernel at the phases the hardware uses
popcornmix
committed
1f1ea10