commit 6e4b308a286821458633a90b82d63d2ce7e742b5
author Octavian Purdila <octavian.purdila@intel.com> Fri Jul 15 17:34:15 2011 +0100
committer Greg Kroah-Hartman <gregkh@suse.de> Fri Jul 15 19:05:07 2011 +0200
tree efa45c3a47cdb26b42010b0038b5a89ee1082061
parent 173b3de9a5817ec2c264eca1b8795c7dbda3c50e

gma500: skip getting modes via DDC on Moorestown

Moorestown does not have a DDC bus, skip getting modes via DDC. This
fixes the following bug:

BUG: unable to handle kernel NULL pointer dereference at 00000010
IP: [<c1172ff7>] i2c_transfer+0x17/0xb0
*pde = 00000000
Oops: 0000 [#1]

Call Trace:
 [<c1153ae9>] drm_do_probe_ddc_edid+0x59/0x90
 [<c1153cb4>] drm_get_edid+0x24/0x250
 [<c11805d2>] psb_intel_ddc_get_modes+0x22/0x60
 [<c117fe11>] psb_intel_lvds_get_modes+0x21/0x80

Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>