[PATCH V6] drm: edid: add support for E-DDC

From: Shirish S s.shirish@samsung.com

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]

Changes from V2: Add switch for DDC and E-DDC

Changes from V3: Remove switch,and avoid sending of segment data for non E-DDC

Changes from V4: Fix review comments about space and comment indentation.

Changes from V5: Compacted the code.

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, 16 insertions(+), 3 deletions(-)