[RESEND 0/2] Changes for DP 1.4 Compliance test 4.2.2.6

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Unlike DP 1.2 Compliance test 4.2.2.6, DP 1.4 requires to calculate real
CRC value of the last edid data block, and write it back.

Current edid CRC calculate routine adds the last CRC byte, and check if
non-zero or not. Need to return the actual CRC value when corruption is
detected.

[For CI]
Resend this patchset to intel gfx CI. 

Jerry (Fangzhi) Zuo (2):
  drm: Add support for DP 1.4 Compliance edid corruption test 4.2.2.6
  drm/amd/display: Hook up drm interface for DP 1.4 edid corruption test

 .../drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c  | 35 +++++----------------
 drivers/gpu/drm/drm_dp_helper.c                    | 36 ++++++++++++++++++++++
 drivers/gpu/drm/drm_edid.c                         | 18 +++++++++--
 include/drm/drm_connector.h                        |  7 +++++
 include/drm/drm_dp_helper.h                        |  3 ++
 5 files changed, 68 insertions(+), 31 deletions(-)

-- 
2.14.1

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