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From: Chris Wilson <chris@chris-wilson.co.uk>
To: chris2553@googlemail.com
Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Disable high-precision vblank timestamping for UMS
Date: Sun, 23 Jan 2011 12:44:10 +0000 [thread overview]
Message-ID: <b7da2f$q7be7q@fmsmga001.fm.intel.com> (raw)
In-Reply-To: <201101231128.22951.chris2553@googlemail.com>
On Sun, 23 Jan 2011 11:28:22 +0000, Chris Clayton <chris2553@googlemail.com> 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
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2011-01-23 12:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <:201101220935.03623.chris2553@googlemail.com>
2011-01-22 10:11 ` [PATCH] drm/i915: Increase the amount of defense before computing vblank timestamps Chris Wilson
2011-01-22 11:18 ` Chris Clayton
2011-01-22 18:01 ` Chris Wilson
2011-01-23 8:56 ` Chris Clayton
2011-01-23 9:32 ` Chris Clayton
2011-01-23 10:50 ` [PATCH] drm/i915: Disable high-precision vblank timestamping for UMS Chris Wilson
2011-01-23 11:28 ` Chris Clayton
2011-01-23 12:44 ` Chris Wilson [this message]
2011-01-23 12:55 ` Chris Clayton
2011-01-23 13:06 ` [PATCH] drm/i915: Handle the no-interrupts case for UMS by polling Chris Wilson
2011-01-23 15:38 ` Chris Clayton
2011-01-23 15:59 ` Chris Wilson
2011-02-10 19:58 ` Chris Clayton
2011-02-10 20:37 ` Chris Wilson
2011-01-23 10:52 ` [PATCH] drm/i915: Increase the amount of defense before computing vblank timestamps Chris Wilson
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