diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/color/color_gamma.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/color/color_gamma.c | 62 |
1 files changed, 44 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c index a1055413bade..88898935a5e6 100644 --- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c +++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c @@ -23,6 +23,9 @@ * */ +#include <linux/mm.h> +#include <linux/slab.h> + #include "dc.h" #include "opp.h" #include "color_gamma.h" @@ -240,16 +243,27 @@ struct dividers { struct fixed31_32 divider3; }; -static void build_coefficients(struct gamma_coefficients *coefficients, bool is_2_4) +enum gamma_type_index { + gamma_type_index_2_4, + gamma_type_index_2_2, + gamma_type_index_2_2_flat +}; + +static void build_coefficients(struct gamma_coefficients *coefficients, enum gamma_type_index type) { - static const int32_t numerator01[] = { 31308, 180000}; - static const int32_t numerator02[] = { 12920, 4500}; - static const int32_t numerator03[] = { 55, 99}; - static const int32_t numerator04[] = { 55, 99}; - static const int32_t numerator05[] = { 2400, 2200}; + static const int32_t numerator01[] = { 31308, 180000, 0}; + static const int32_t numerator02[] = { 12920, 4500, 0}; + static const int32_t numerator03[] = { 55, 99, 0}; + static const int32_t numerator04[] = { 55, 99, 0}; + static const int32_t numerator05[] = { 2400, 2200, 2200}; uint32_t i = 0; - uint32_t index = is_2_4 == true ? 0:1; + uint32_t index = 0; + + if (type == gamma_type_index_2_2) + index = 1; + else if (type == gamma_type_index_2_2_flat) + index = 2; do { coefficients->a0[i] = dc_fixpt_from_fraction( @@ -697,7 +711,7 @@ static void build_de_pq(struct pwl_float_data_ex *de_pq, static void build_regamma(struct pwl_float_data_ex *rgb_regamma, uint32_t hw_points_num, - const struct hw_x_point *coordinate_x, bool is_2_4) + const struct hw_x_point *coordinate_x, enum gamma_type_index type) { uint32_t i; @@ -705,7 +719,7 @@ static void build_regamma(struct pwl_float_data_ex *rgb_regamma, struct pwl_float_data_ex *rgb = rgb_regamma; const struct hw_x_point *coord_x = coordinate_x; - build_coefficients(&coeff, is_2_4); + build_coefficients(&coeff, type); i = 0; @@ -892,13 +906,13 @@ static bool build_freesync_hdr(struct pwl_float_data_ex *rgb_regamma, static void build_degamma(struct pwl_float_data_ex *curve, uint32_t hw_points_num, - const struct hw_x_point *coordinate_x, bool is_2_4) + const struct hw_x_point *coordinate_x, enum gamma_type_index type) { uint32_t i; struct gamma_coefficients coeff; uint32_t begin_index, end_index; - build_coefficients(&coeff, is_2_4); + build_coefficients(&coeff, type); i = 0; /* X points is 2^-25 to 2^7 @@ -1558,7 +1572,8 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf, output_tf->tf == TRANSFER_FUNCTION_SRGB) { if (ramp == NULL) return true; - if (ramp->is_identity || (!mapUserRamp && ramp->type == GAMMA_RGB_256)) + if ((ramp->is_logical_identity) || + (!mapUserRamp && ramp->type == GAMMA_RGB_256)) return true; } @@ -1614,7 +1629,7 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf, coordinates_x, output_tf->sdr_ref_white_level); } else if (tf == TRANSFER_FUNCTION_GAMMA22 && - fs_params != NULL) { + fs_params != NULL && fs_params->skip_tm == 0) { build_freesync_hdr(rgb_regamma, MAX_HW_POINTS, coordinates_x, @@ -1627,7 +1642,9 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf, build_regamma(rgb_regamma, MAX_HW_POINTS, - coordinates_x, tf == TRANSFER_FUNCTION_SRGB ? true:false); + coordinates_x, tf == TRANSFER_FUNCTION_SRGB ? gamma_type_index_2_4 : + tf == TRANSFER_FUNCTION_GAMMA22 ? + gamma_type_index_2_2_flat : gamma_type_index_2_2); } map_regamma_hw_to_x_user(ramp, coeff, rgb_user, coordinates_x, axis_x, rgb_regamma, @@ -1832,7 +1849,9 @@ bool mod_color_calculate_degamma_params(struct dc_transfer_func *input_tf, build_degamma(curve, MAX_HW_POINTS, coordinates_x, - tf == TRANSFER_FUNCTION_SRGB ? true : false); + tf == TRANSFER_FUNCTION_SRGB ? + gamma_type_index_2_4 : tf == TRANSFER_FUNCTION_GAMMA22 ? + gamma_type_index_2_2_flat : gamma_type_index_2_2); else if (tf == TRANSFER_FUNCTION_LINEAR) { // just copy coordinates_x into curve i = 0; @@ -1932,7 +1951,10 @@ bool mod_color_calculate_curve(enum dc_transfer_func_predefined trans, build_regamma(rgb_regamma, MAX_HW_POINTS, - coordinates_x, trans == TRANSFER_FUNCTION_SRGB ? true:false); + coordinates_x, + trans == TRANSFER_FUNCTION_SRGB ? + gamma_type_index_2_4 : trans == TRANSFER_FUNCTION_GAMMA22 ? + gamma_type_index_2_2_flat : gamma_type_index_2_2); for (i = 0; i <= MAX_HW_POINTS ; i++) { points->red[i] = rgb_regamma[i].r; points->green[i] = rgb_regamma[i].g; @@ -2002,7 +2024,8 @@ bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans, kvfree(rgb_degamma); } else if (trans == TRANSFER_FUNCTION_SRGB || - trans == TRANSFER_FUNCTION_BT709) { + trans == TRANSFER_FUNCTION_BT709 || + trans == TRANSFER_FUNCTION_GAMMA22) { rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS, sizeof(*rgb_degamma), GFP_KERNEL); @@ -2011,7 +2034,10 @@ bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans, build_degamma(rgb_degamma, MAX_HW_POINTS, - coordinates_x, trans == TRANSFER_FUNCTION_SRGB ? true:false); + coordinates_x, + trans == TRANSFER_FUNCTION_SRGB ? + gamma_type_index_2_4 : trans == TRANSFER_FUNCTION_GAMMA22 ? + gamma_type_index_2_2_flat : gamma_type_index_2_2); for (i = 0; i <= MAX_HW_POINTS ; i++) { points->red[i] = rgb_degamma[i].r; points->green[i] = rgb_degamma[i].g; |