[Intel-gfx] i915: severe lag after resume (was Re: i915: hotplug events gone wild)

Matthew Garrett mjg59 at srcf.ucam.org
Fri Feb 19 20:41:18 CET 2010


On Wed, Feb 10, 2010 at 02:21:31PM -0800, Eric Anholt wrote:

> We tried cleaning up the list of DP/HDMI outputs using the BIOS VBT
> tables, but it turned out that some clever BIOSes (oh, how we hate
> clever BIOSes) will not expose a DP/HDMI pair unless the laptop is
> docked, so if you docked it later you wouldn't get your DP.  That got
> backed out.  A question I have is whether when docked the VBT gets
> munged to show the updated info.  There might be an opportunity then to
> hook into docking to expose new connectors (or change them from
> always-report-disconnected-and-not-check-i2c to check-i2c).

If you want a notifier chain for docking events, we can make that 
happen.

-- 
Matthew Garrett | mjg59 at srcf.ucam.org



More information about the Intel-gfx mailing list