drm/i915: Fix color blob reference handling in intel_plane_state

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Take proper references for hw color blobs (degamma_lut, gamma_lut,
ctm, lut_3d) in intel_plane_duplicate_state() and drop them in
intel_plane_destroy_state().

v2:
- handle blobs in hw state clear

Cc: <stable@vger.kernel.org> #v6.19+
Fixes: 3b7476e786 ("drm/i915/color: Add framework to program PRE/POST CSC LUT")
Fixes: a78f1b6baf ("drm/i915/color: Add framework to program CSC")
Fixes: 65db7a1f9c ("drm/i915/color: Add 3D LUT to color pipeline")
Reviewed-by: Pranay Samala <pranay.samala@intel.com> #v1
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20260601082953.128539-4-chaitanya.kumar.borah@intel.com

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Chaitanya Kumar Borah 2026-06-01 13:59:53 +05:30 • committed by Uma Shankar

parent dfd604b259

commit c6eea19251

1 changed files with 27 additions and 0 deletions

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drivers/gpu/drm/i915/display/intel_plane.c

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