drm/atomic: track individual colorop updates

As we do for CRTC color mgmt properties, use color_mgmt_changed flag to
track any value changes in the color pipeline of a given plane, so that
drivers can update color blocks as soon as plane color pipeline or
individual colorop values change. Since we're here, only announce and
track changes to plane COLOR_PIPELINE prop if its value is actually
changing.

Fixes: 8c5ea1745f4c ("drm/colorop: Add BYPASS property")
Fixes: 7fa3ee8c0a79 ("drm/colorop: Define LUT_1D interpolation")
Fixes: 41651f9d42eb ("drm/colorop: Add 1D Curve subtype")
Fixes: 3410108037d5 ("drm/colorop: Add multiplier type")
Fixes: db971856bbe0 ("drm/colorop: Add 3D LUT support to color pipeline")
Fixes: e5719e7f1900 ("drm/colorop: Add 3x4 CTM type")
Fixes: 99a4e4f08abe ("drm/colorop: Add 1D Curve Custom LUT type")
Fixes: 2afc3184f3b3 ("drm/plane: Add COLOR PIPELINE property")
Reviewed-by: Harry Wentland <harry.wentland@amd.com> #v1
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Fixes: 9ba25915efba ("drm/amd/display: Add support for sRGB EOTF in DEGAM block")
Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patch.msgid.link/20260609110420.1298352-4-mwen@igalia.com

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