Re: Linux 3.7-rc6

[Henrik Rydberg]

Hi Daniel,

> >> My apologies for the long delay in answering, I've somehow mixed up
> >> different bugreports and thought I've sent you a patch to test
> >> already. Anyway, please test
> >>
> >> https://patchwork.kernel.org/patch/1728111/
> >
> >     Tested-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>
> 
> Can you please boot with drm.debug=0xe added to your kernel cmdline
> with that patch applied and attach the full dmesg?

Are you looking for something in particular? The patch obviously works
because edp_bpp is never set. The reason seems to be

[    1.634759] [drm:intel_parse_bios], VBT signature missing

In the source, a few lines above that message, we have something that
looks suspciciously like an off-by-one error:

	/* Scour memory looking for the VBT signature */
	for (i = 0; i + 4 < size; i++) {

If that matters or not, I do not know. Any more tests would have to
wait until tomorrow.

Thanks,
Henrik
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