98     return HWC2::Error::None;  in initDisplayParameters()
330     return Error::None;  in createVirtualDisplay()
336     return Error::None;  in destroyVirtualDisplay()
379         return Error::None;  in registerCallback()
391     return Error::None;  in registerCallback()
493     return Error::None;  in acceptChanges()
505     return Error::None;  in createLayer()
529     return Error::None;  in destroyLayer()
545     return Error::None;  in getActiveConfig()
561     return Error::None;  in getDisplayAttribute()
577         return Error::None;  in getChangedCompositionTypes()
594     return Error::None;  in getChangedCompositionTypes()
604         return Error::None;  in getColorModes()
612     return Error::None;  in getColorModes()
622         return Error::None;  in getConfigs()
633     return Error::None;  in getConfigs()
640     return Error::None;  in getDozeSupport()
649     return Error::None;  in getHdrCapabilities()
658         return Error::None;  in getName()
662     return Error::None;  in getName()
685     return Error::None;  in getReleaseFences()
700         return Error::None;  in getRequests()
717     return Error::None;  in getRequests()
725     return Error::None;  in getType()
774             return Error::None;  in present()
910     return Error::None;  in present()
924         return Error::None;  in setActiveConfig()
928     return Error::None;  in setActiveConfig()
938     return Error::None;  in setClientTarget()
948         return Error::None;  in setColorMode()
956     return Error::None;  in setColorMode()
970     return Error::None;  in setColorTransform()
977     return Error::None;  in setOutputBuffer()
998         return Error::None;  in setPowerMode()
1005     return Error::None;  in setPowerMode()
1023         return Error::None;  in setVsyncEnabled()
1029     return Error::None;  in setVsyncEnabled()
1098     return *outNumTypes > 0 ? Error::HasChanges : Error::None;  in validate()
1118                 return Error::None;  in updateLayerZ()
1134     return Error::None;  in updateLayerZ()
1150         return Error::None;  in getClientTargetSupport()
1153     return Error::None;  in getClientTargetSupport()
1251     return Error::None;  in getDisplayIdentificationData()
1257         return Error::None;  in getDisplayCapabilities()
1276     return Error::None;  in getDisplayCapabilities()
1281     return Error::None;  in getDisplayBrightnessSupport()
1286     return Error::None;  in setDisplayBrightness()
1367     return HWC2::Error::None;  in populateSecondaryConfigs()
1501     mBlendMode(BlendMode::None),  in Layer()
1508     mTransform(Transform::None),
1519     return Error::None;  in setBuffer()
1530     return Error::None;  in setCursorPosition()
1536     return Error::None;  in setSurfaceDamage()
1544     return Error::None;  in setBlendMode()
1550     return Error::None;  in setColor()
1556     return Error::None;  in setCompositionType()
1561     return Error::None;  in setDataspace()
1567     return Error::None;  in setDisplayFrame()
1573     return Error::None;  in setPlaneAlpha()
1579     return Error::None;  in setSidebandStream()
1585     return Error::None;  in setSourceCrop()
1591     return Error::None;  in setTransform()
1609     return Error::None;  in setVisibleRegion()
1615     return Error::None;  in setZ()
1695         Error ret = Error::None;  in populateSecondaryDisplays()
1698         if (ret != Error::None) {  in populateSecondaryDisplays()
1735     return std::make_tuple(layer.get(), Error::None);  in getLayer()