Re: [PATCH 1/3] drm/meson: Support Overlay plane for video rendering

2018-11-09 Thread Maxime Jourdan
On Tue, Nov 6, 2018 at 10:40 AM Neil Armstrong wrote: > > The Amlogic Meson GX SoCs support an Overlay plane behind the primary > plane for video rendering. > > This Overlay plane support various YUV layouts : > - YUYV > - NV12 / NV21 > - YUV444 / 422 / 420 / 411 / 410 > > The scaler supports a wi

[PATCH 1/3] drm/meson: Support Overlay plane for video rendering

2018-11-06 Thread Neil Armstrong
The Amlogic Meson GX SoCs support an Overlay plane behind the primary plane for video rendering. This Overlay plane support various YUV layouts : - YUYV - NV12 / NV21 - YUV444 / 422 / 420 / 411 / 410 The scaler supports a wide range of scaling ratios, but for simplicity, plane atomic check limits