diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/color/color_gamma.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/color/color_gamma.h | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h index b7f9bc27d101..b64048991a95 100644 --- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h +++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h @@ -32,6 +32,47 @@ struct dc_transfer_func_distributed_points; struct dc_rgb_fixed; enum dc_transfer_func_predefined; +/* For SetRegamma ADL interface support + * Must match escape type + */ +union regamma_flags { + unsigned int raw; + struct { + unsigned int gammaRampArray :1; // RegammaRamp is in use + unsigned int gammaFromEdid :1; //gamma from edid is in use + unsigned int gammaFromEdidEx :1; //gamma from edid is in use , but only for Display Id 1.2 + unsigned int gammaFromUser :1; //user custom gamma is used + unsigned int coeffFromUser :1; //coeff. A0-A3 from user is in use + unsigned int coeffFromEdid :1; //coeff. A0-A3 from edid is in use + unsigned int applyDegamma :1; //flag for additional degamma correction in driver + unsigned int gammaPredefinedSRGB :1; //flag for SRGB gamma + unsigned int gammaPredefinedPQ :1; //flag for PQ gamma + unsigned int gammaPredefinedPQ2084Interim :1; //flag for PQ gamma, lower max nits + unsigned int gammaPredefined36 :1; //flag for 3.6 gamma + unsigned int gammaPredefinedReset :1; //flag to return to previous gamma + } bits; +}; + +struct regamma_ramp { + unsigned short gamma[256*3]; // gamma ramp packed in same way as OS windows ,r , g & b +}; + +struct regamma_coeff { + int gamma[3]; + int A0[3]; + int A1[3]; + int A2[3]; + int A3[3]; +}; + +struct regamma_lut { + union regamma_flags flags; + union { + struct regamma_ramp ramp; + struct regamma_coeff coeff; + }; +}; + void setup_x_points_distribution(void); void precompute_pq(void); void precompute_de_pq(void); @@ -45,9 +86,14 @@ bool mod_color_calculate_degamma_params(struct dc_transfer_func *output_tf, bool mod_color_calculate_curve(enum dc_transfer_func_predefined trans, struct dc_transfer_func_distributed_points *points); -bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans, +bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans, struct dc_transfer_func_distributed_points *points); +bool calculate_user_regamma_coeff(struct dc_transfer_func *output_tf, + const struct regamma_lut *regamma); + +bool calculate_user_regamma_ramp(struct dc_transfer_func *output_tf, + const struct regamma_lut *regamma); #endif /* COLOR_MOD_COLOR_GAMMA_H_ */ |