Bugs in xf86-video-intel 1.9.91 (2.0 RC1)

Eric Anholt eric at anholt.net
Wed Mar 7 12:14:19 PST 2007

On Wed, 2007-03-07 at 13:38 +0100, Artur Flinta wrote:
> Keith Packard wrote:
> > We've seen several LCD monitors that report EDID over DVI and fail to
> > report EDID over the VGA connector. I reset some DDC I2C timing in the
> > SDVO code and got several more monitors working. I'm wondering if we
> > need to do the same in the generic xf86 DDC code as DDC uses much longer
> > timeouts than the I2C defaults.
> > 
> > What kind of monitor do you have, and how is it connected?
> I'm using Samsung 173s (it has only analog connector). DDC works 
> perfectly with proprietary nVidia driver (on MB with integrated GPU 
> based on GF6150), but does not  with OS drivers like nv or on Intel MB 
> using latest drivers from git.

Yeah, we've got various reports like this.  There are a few bugs in our
I2C implementation I noticed last time I was messing around in there,
but I haven't had a monitor getting hit by the bugs to actually test
fixes and figure out what's going on.

Eric Anholt                             anholt at FreeBSD.org
eric at anholt.net                         eric.anholt at intel.com
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