Hi, Vasily from source, it looks like VI layer is a video plane, right?
let xf86-vidoe-modesetting driver support sun4i-drm's VI layer is a way to support HW cursor, I want to ask whether it's possible to change VI layer type to cursor plane, then no changes in modesetting driver? BR. Ning. On Tuesday, September 3, 2019 at 11:21:48 PM UTC+8, Vasily Khoruzhick wrote: > > On Tue, Sep 3, 2019 at 1:49 AM 张宁 <[email protected] <javascript:>> > wrote: > > > > Hi, Maxime, Icenowy and other developers > > > > In https://linux-sunxi.org/Xorg, it says legacy display engine driver > supports HW cursor, but there is no code actually creates a cursor plane in > mainline linux, this is also said in: > https://groups.google.com/forum/#!searchin/linux-sunxi/subject$3A$20cursor|sort:date/linux-sunxi/6dZVBtNgh5Q/dpBDfvEjBgAJ > > > > > currently, lima usespace driver in mesa already has the basic function > for desktop, if lima is enabled, cursor rendering will possibly go GPU, > this will be less efficient than HW cursor. > > > > do you have plan to enable cursor plane? > > That's up to X11 developers. sun4i-drm exposes UI and VI planes on > SoCs with DE2, and there's no dedicated cursor plane in hardware. > Basically sun4i-drm exposes what's available in hardware. But > xf86-video-modesetting doesn't use VI plane for anything while it > could use it for cursor. > > > -- > > You received this message because you are subscribed to the Google > Groups "linux-sunxi" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected] <javascript:>. > > To view this discussion on the web, visit > https://groups.google.com/d/msgid/linux-sunxi/8d091584-8e01-431d-b9b0-93dd7e0f0cec%40googlegroups.com. > > > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/0bb9c8b2-b961-451d-9812-0384817780e8%40googlegroups.com.
