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Subject[bisected] offset display bug in i915
Hi Chris,

The following patch that you recently committed breaks my ASUS Eee PC
1015PEM by causing the display to be offset by about 1 inch (a few
centimeters) when the mode is (re)set during boot. I previously posted
both photographs and video of the problem in another "PROBLEM" thread.

Here is the offending commit found through bisection:

219adae138513bae20b256f1946b9cb3b75ca05c is the first bad commit
commit 219adae138513bae20b256f1946b9cb3b75ca05c
Author: Chris Wilson <>
Date: Thu Sep 16 23:05:10 2010 +0100

drm/i915: Cache LVDS EDID

We assume that the panel is permenantly connected and that the EDID
data is consistent from boot, so simply cache the whole EDID for the

Signed-off-by: Chris Wilson <>

I'll look at the patch. Either the EDID is *not* consistent (in which
case, why are we not seeing other bugs like this?) or there is something
specific to this system or panel used.


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