From: Antonino A. Daplas <adaplas@gmail.com>
Date: Thu, 2 Aug 2007 10:16:46 +0000 (+0800)
Subject: [x86 setup] video setup: Fix VBE DDC reading
X-Git-Tag: v2.6.23-rc2~12^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=59acc08fd95aefb5430458a08a82b15a4174ed74;p=pandora-kernel.git

[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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