UPSTREAM: drm/edid: move displayid validation to it's own function.

We need to use this for validating modeline additions.

BUG=970123
TEST=emerge-eve chromeos-kernel-4_4 compiles

Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit c97291774c1b867b56c3d439ddaec9a965cf559e)
Signed-off-by: Stphane Marchesin <marcheu@chromium.org>

Change-Id: I3501c16cb7f08c103c61b1650852077b02d9b303
Reviewed-on: https://chromium-review.googlesource.com/1642969
Commit-Ready: Stéphane Marchesin <marcheu@chromium.org>
Tested-by: Stéphane Marchesin <marcheu@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
1 file changed