Understanding of Composition call flow in XServer

[Michel Dänzer]

On 2020-02-27 1:35 p.m., uday kiran pichika wrote:
> Hello,
> 
> I'm new to X Server and working on a new feature development. As part of my
> job, am going through the composition call flow in X. To study this, i have
> added/modified  xf86DrvMsg logs under *xfree86/drivers/modesetting* to
> understand the output and crtc initialization and DRM commits and launched
> X with the below command on virtual terminal.
> 
> sudo startx -- -logverbose 6
> 
> But none of the logs are being printed as part of Xorg.n.log file except
> these
> [  3158.316] (II) intel(0): Uday --- fbdevhw.c : fbdev_open
> [  3158.317] (==) intel(0): Uday ----- Default visual is TrueColor
> [  3158.318] (II) intel(0): Uday --- xf86RandR12.c : xf86RandR12Init
> [  3158.327] (II) intel(0): Uday --- Setting screen physical size to 508 x
> 285

This is shows Xorg using the intel driver, not modesetting.


-- 
Earthling Michel Dänzer               |               https://redhat.com
Libre software enthusiast             |             Mesa and X developer