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authorAntonino A. Daplas <adaplas@gmail.com>2007-08-02 18:16:46 +0800
committerH. Peter Anvin <hpa@zytor.com>2007-08-02 11:08:27 -0400
commit59acc08fd95aefb5430458a08a82b15a4174ed74 (patch)
tree446a1712a99eb0485a60ca789c71757f6f436277 /include
parent1ed4395035a6791ebbbf618429a58ab9c207cc83 (diff)
[x86 setup] 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. Without this, gcc would think the EDID query was dead code and would eliminate it. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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