On 27/09/2022 17:26, Jason-JH.Lin wrote: > For previous MediaTek SoCs, such as MT8173, there are 2 display HW > pipelines binding to 1 mmsys with the same power domain, the same > clock driver and the same mediatek-drm driver. > > For MT8195, VDOSYS0 and VDOSYS1 are 2 display HW pipelines binding to > 2 different power domains, different clock drivers and different > mediatek-drm drivers. > > Moreover, Hardware pipeline of VDOSYS0 has these components: COLOR, > CCORR, AAL, GAMMA, DITHER. They are related to the PQ (Picture Quality) > and they makes VDOSYS0 supports PQ function while they are not > including in VDOSYS1. > > Hardware pipeline of VDOSYS1 has the component ETHDR (HDR related > component). It makes VDOSYS1 supports the HDR function while it's not > including in VDOSYS0. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Best regards, Krzysztof
