drm/i915: Fix CHV CGM CSC coefficient sign handling

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The CHV CGM CSC coefficients are in s4.12 two's complement
format. Fix the CTM->CGM conversion to handle that correctly
instead of pretending that the hw coefficients are also
in some sign-magnitude format.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230413164916.4221-4-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>

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Ville Syrjälä 2023-04-13 19:49:12 +03:00

parent d9ce4e4307

commit 2587c63aaa

1 changed files with 29 additions and 17 deletions

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

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