Intel 2.0.0 driver not seeing laptop screen resolutions properly

Eric Anholt eric at
Tue May 8 21:21:25 PDT 2007

On Tue, 2007-05-08 at 17:40 -0700, Keith Packard wrote:
> On Tue, 2007-05-08 at 16:52 -0700, Eric Anholt wrote:
> > Here's a proposed hack to detect your situation and plug in better
> > values for the detected panel timings.  If it works, I'll add it.  Note
> > that in your case the BIOS gets the right answer (it looks like).
> > However, since the BIOS sometimes likes to disappear on us, it's
> > probably better to have this hack in place.
> That's gross. Reading the BIOS at X server startup time and recording
> that seems far more reliable; so far, I don't think we haven't found a
> machine that has the BIOS unmapped after boot, just machines that have
> it unmapped on resume from S3.
> We do need more accurate BIOS table locating code; that seems like a
> more tractable problem than quirking the driver to support every weird
> machine like this.

So, we lose out on starting X after a resume from S3 has happened, on
that hardware (which, as I understand, is not uncommon)?  That seems
like a recipe for even more pain than the current situation.

Eric Anholt                             anholt at
eric at                         eric.anholt at

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