drm/i915/color: Add framework to program CSC

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Add framework to program CSC. It enables copying of matrix from UAPI
to intel plane state. Also add helper functions which will eventually
program values to hardware.

Add a crtc state variable to track plane color change.

v2:
- Add crtc_state->plane_color_changed
- Improve comments (Suraj)
- s/intel_plane_*_color/intel_plane_color_* (Suraj)

v3:
- align parameters with open braces (Suraj)
- Improve commit message (Suraj)

v4:
- Re-arrange variable declaration (Suraj)

Reviewed-by: Suraj Kandpal <suraj.kandpal@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/20251203085211.3663374-6-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

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This commit is contained in:

Chaitanya Kumar Borah 2025-12-03 14:22:01 +05:30 • committed by Jani Nikula

parent ef10531681

commit a78f1b6baf

4 changed files with 77 additions and 1 deletions

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21

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

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4

drivers/gpu/drm/i915/display/intel_color.h

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4

drivers/gpu/drm/i915/display/intel_display_types.h

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49

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

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