Comment 2 for bug 608279

I was able to read the EDID without any kernel modification:

mpoirier@beagle:~$ uname -a
Linux beagle 2.6.35-15-omap #22 Thu Aug 12 16:23:35 EDT 2010 armv7l GNU/Linux
mpoirier@beagle:~$
mpoirier@beagle:~$ sudo apt-get install i2c-tools
mpoirier@beagle:~$
mpoirier@beagle:~$ sudo modprove i2c-dev
mpoirier@beagle:~$
mpoirier@beagle:~$ sudo i2cdump -y 3 0x50
No size specified (using byte-data access)
     0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
00: 00 ff ff ff ff ff ff 00 10 ac 28 d0 4c 4e 38 32 ........??(?LN82
10: 31 13 01 03 80 33 1d 78 2e ee 95 a3 54 4c 99 26 1????3?x.???TL?&
20: 0f 50 54 a5 4b 00 71 4f 81 80 d1 c0 01 01 01 01 ?PT?K.qO????????
30: 01 01 01 01 01 01 02 3a 80 18 71 38 2d 40 58 2c ???????:??q8-@X,
40: 45 00 fd 1e 11 00 00 1e 00 00 00 ff 00 4e 39 31 E.???..?.....N91
50: 38 52 39 43 32 32 38 4e 4c 0a 00 00 00 fc 00 44 8R9C228NL?...?.D
60: 45 4c 4c 20 50 32 33 31 30 48 0a 20 00 00 00 fd ELL P2310H? ...?
70: 00 38 4c 1e 53 11 00 0a 20 20 20 20 20 20 00 80 .8L?S?.? .?
80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
mpoirier@beagle:~$

I have a Dell P2310H, something that can be found starting at address 0x5F.