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s3c-fb: use display information in info not in var for panning

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We must not use any information in the passed var besides xoffset,
yoffset and vmode as otherwise applications might abuse it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
This commit is contained in:
Laurent Pinchart 2011-05-25 11:34:52 +02:00
parent 01cba946e3
commit d8e7a74bf1
1 changed files with 1 additions and 1 deletions
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2
drivers/video/s3c-fb.c
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@ -883,7 +883,7 @@ static int s3c_fb_pan_display(struct fb_var_screeninfo *var,
}
}
/* Offset in bytes to the end of the displayed area */
end_boff = start_boff + var->yres * info->fix.line_length;
end_boff = start_boff + info->var.yres * info->fix.line_length;
/* Temporarily turn off per-vsync update from shadow registers until
* both start and end addresses are updated to prevent corruption */