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drm: mali-dp: Add CTM support

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All DPs have a COLORADJ matrix which is applied prior to output gamma.
Attach that to the CTM property. Also, ensure the input CTM's coefficients
can fit in the DP registers' Q3.12 format.

Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
This commit is contained in:
Mihail Atanassov
2017-02-13 12:49:03 +00:00
committed by Liviu Dudau
parent 02725d3137
commit 6954f24588
5 changed files with 98 additions and 4 deletions
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drivers/gpu/drm/arm/malidp_hw.h
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@@ -259,6 +259,7 @@ static inline bool malidp_hw_pitch_valid(struct malidp_hw_device *hwdev,
#define MALIDP_BGND_COLOR_G 0x000
#define MALIDP_BGND_COLOR_B 0x000
#define MALIDP_COLORADJ_NUM_COEFFS 12
#define MALIDP_COEFFTAB_NUM_COEFFS 64
#define MALIDP_GAMMA_LUT_SIZE 4096