[KMS] Hw i2c patch doesn't work fully on rv280

Submitted by Andrew Randrianasulu

Assigned to Default DRI bug account

Description

Using patches from

http://people.freedesktop.org/~agd5f/

0001-drm-radeon-kms-add-radeon-i2c-algo.patch
0002-drm-radeon-kms-add-support-for-hw-i2c-on-r1xx-r5xx.patch

on top of mainline kernel (2.6.33-rc6-git2, one with locally reverted idr commit)

i get strange resolution in X, probably related to

[drm:r100_hw_i2c_xfer], i2c write error 0x04800302
[drm:edid_is_valid] ERROR Raw EDID:
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff ................