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Support color management on DCN32 and later #1960

@matte-schwartz

Description

@matte-schwartz

Feature request

A few changes need to be made to support color management on DCN32 and later properly.

  1. AMD_PLANE_BLEND_TF is gone
  2. AMD has also removed 3D LUTs as of 6.17 (apparently they were never meant to be enabled?): torvalds/linux@3992305

My current drm_info on strix halo with AMD_PRIVATE_COLOR: drm_info_6.17.log

number 2 seems to be the more complicated problem as with 1. you can move the check and handling for AMD_PLANE_BLEND_TF into its own function and things just work

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