[lkml]   [2011]   [Jan]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] drm/i915: Disable high-precision vblank timestamping for UMS
On Sun, 23 Jan 2011 11:28:22 +0000, Chris Clayton <> wrote:
> Hi Chris,
> On Sunday 23 January 2011, Chris Wilson wrote:
> > We only have sufficient information for accurate (sub-frame) timestamping
> > when the modesetting is under our control.
> >
> With this patch (and the earlier one) applied, X still doesn't start. At the end
> of xorg's log file I see:
> Fatal server error:
> Failure to wait for IRQ: No such device

Now we are getting closer! The X server has been caught red-handed trying
to use an interrupt when the driver never enabled them. Ho hum.

The interrupts for UMS are only enabled between EnterVT/LeaveVT, but that
code looks defunct. What version of xf86-video-intel are you using?

Chris Wilson, Intel Open Source Technology Centre

 \ /
  Last update: 2011-01-23 13:47    [W:0.043 / U:5.060 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site