Re: [PATCH v2 0/4] drm/vc4: Improve alpha format plane support

2018-03-09 Thread Eric Anholt
Stefan Schake writes: > This series improves the handling of alpha formats with the VC4 HVS > compositor. Alpha formats are marked as premultiplied as is standard > for DRM. Further fix a display corruption issue when planes with > per-pixel alpha try blending from the (nonexistent) background by

[PATCH v2 0/4] drm/vc4: Improve alpha format plane support

2018-03-08 Thread Stefan Schake
This series improves the handling of alpha formats with the VC4 HVS compositor. Alpha formats are marked as premultiplied as is standard for DRM. Further fix a display corruption issue when planes with per-pixel alpha try blending from the (nonexistent) background by selectively enabling a black ba