[PATCH V2] drm: edid: add support for E-DDC

[Shirish S]

This patch adds support in probing 4 block edid data, for E-DDC.
This is the first test case in CTS, for HDMI compliance.

Changes from V1:
1. Data type of offset adress updated to unsigned short
2. Updated the buf feild of msg[0]

Based on drm-next branch

Shirish S (1):
  drm: edid: add support for E-DDC

 drivers/gpu/drm/drm_edid.c |   19 +++++++++++++------
 1 files changed, 13 insertions(+), 6 deletions(-)