Re: inteldrm: reduce i2c busy-wait to 100us

2017-11-03 Thread joshua stein
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 > > > > On my Kaby Lake laptop, running xbacklight or xrandr causes the > > audio and mouse cursor to pause briefly. This is because those > > codepaths

Re: inteldrm: reduce i2c busy-wait to 100us

2017-10-11 Thread Mark Kettenis
> Date: Tue, 10 Oct 2017 15:42:26 -0500 > From: joshua stein > > 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,

inteldrm: reduce i2c busy-wait to 100us

2017-10-10 Thread joshua stein
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