Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=59acc08fd95aefb5430458a08a82b15a4174ed74
Commit: 59acc08fd95aefb5430458a08a82b15a4174ed74
Parent: 1ed4395035a6791ebbbf618429a58ab9c207cc83
Author: Antonino A. Daplas <[EMAIL PROTECTED]>
AuthorDate: Thu Aug 2 18:16:46 2007 +0800
Committer: H. Peter Anvin <[EMAIL PROTECTED]>
CommitDate: Thu Aug 2 11:08:27 2007 -0400
[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 <[EMAIL PROTECTED]>
Signed-off-by: H. Peter Anvin <[EMAIL PROTECTED]>
---
arch/i386/boot/video-vesa.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/i386/boot/video-vesa.c b/arch/i386/boot/video-vesa.c
index e6aa9eb..f1bc71e 100644
--- a/arch/i386/boot/video-vesa.c
+++ b/arch/i386/boot/video-vesa.c
@@ -268,7 +268,7 @@ void vesa_store_edid(void)
dx = 0; /* EDID block number */
di =(size_t) &boot_params.edid_info; /* (ES:)Pointer to block */
asm(INT10
- : "+a" (ax), "+b" (bx), "+d" (dx)
+ : "+a" (ax), "+b" (bx), "+d" (dx), "=m" (boot_params.edid_info)
: "c" (cx), "D" (di)
: "esi");
#endif /* CONFIG_FIRMWARE_EDID */
-
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