drm/komeda: Add drm_ctm_to_coeffs()

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This function is for converting drm_color_ctm matrix to komeda hardware
required required Q2.12 2's complement CSC matrix.

v2:
  Move the fixpoint conversion function s31_32_to_q2_12() to drm core
  as a shared helper.

Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Reviewed-by: Mihail Atanassov <mihail.atanassov@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191112110927.20931-4-james.qian.wang@arm.com

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james qian wang (Arm Technology China) 2019-11-12 11:10:18 +00:00

parent c2b13c650f

commit bb346b6642

2 changed files with 15 additions and 0 deletions

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14

drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.c

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1

drivers/gpu/drm/arm/display/komeda/komeda_color_mgmt.h

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