On Wed, 11 Oct 2017 at 11:16:07 +0200, Mark Kettenis wrote: > > Date: Tue, 10 Oct 2017 15:42:26 -0500 > > From: joshua stein <j...@openbsd.org> > > > > On my Kaby Lake laptop, running xbacklight or xrandr causes the > > audio and mouse cursor to pause briefly. This is because those > > codepaths do DRM operations that have to probe all of the available > > connectors, even disconnected ones. For HDMI, it does i2c > > operations that have to timeout. > > > > Reducing the DELAY() calls to 100us avoids this, while still making > > HDMI output work when it's actually connected. > > > > intel_gmbus_exec appears to be an OpenBSD-specific function. > > This will need careful testing on older hardware, especially with > multi-screen desktop setups.
Has anyone tested this on multi-screen desktop setups?
