Messages in this thread | | | Date | Thu, 02 Aug 2007 09:23:06 -0400 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] retrieve VBE EDID/DDC info independent of used video mode |
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Antonino A. Daplas wrote:
> > How about this patch? > > Tony > --- > > Subject: video setup: Fix VBE DDC reading > > Add memory operand constraint and write-only modifier to the inline > assembly to effect the writing of the EDID block to boot_params.edid_info. > > Signed-off-by: Antonino Daplas <adaplas@gmail.com>
OK, now I feel dumb. You're absolutely right; without that constraint, the entire EDID function after the memset is eliminated by gcc as being dead code.
Will queue the patch.
-hpa
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