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: 16+ 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 13:06 ` 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='b7da2f$q7be7q@fmsmga001.fm.intel.com' \
--to=chris@chris-wilson.co.uk \
--cc=chris2553@googlemail.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.