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drm/amd/display: remove unused _calculate_degamma_curve function

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We don't use this function anywhere, therefore, remove it.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Melissa Wen 2023-02-14 11:14:06 -01:00 committed by Alex Deucher
parent 62f9286fc2
commit 9a13ff8f52
2 changed files with 0 additions and 89 deletions
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86
drivers/gpu/drm/amd/display/modules/color/color_gamma.c
View File

@ -2217,89 +2217,3 @@ axis_x_alloc_fail:
rgb_user_alloc_fail:
return ret;
}
bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
struct dc_transfer_func_distributed_points *points)
{
uint32_t i;
bool ret = false;
struct pwl_float_data_ex *rgb_degamma = NULL;
if (trans == TRANSFER_FUNCTION_UNITY ||
trans == TRANSFER_FUNCTION_LINEAR) {
for (i = 0; i <= MAX_HW_POINTS ; i++) {
points->red[i] = coordinates_x[i].x;
points->green[i] = coordinates_x[i].x;
points->blue[i] = coordinates_x[i].x;
}
ret = true;
} else if (trans == TRANSFER_FUNCTION_PQ) {
rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
sizeof(*rgb_degamma),
GFP_KERNEL);
if (!rgb_degamma)
goto rgb_degamma_alloc_fail;
build_de_pq(rgb_degamma,
MAX_HW_POINTS,
coordinates_x);
for (i = 0; i <= MAX_HW_POINTS ; i++) {
points->red[i] = rgb_degamma[i].r;
points->green[i] = rgb_degamma[i].g;
points->blue[i] = rgb_degamma[i].b;
}
ret = true;
kvfree(rgb_degamma);
} else if (trans == TRANSFER_FUNCTION_SRGB ||
trans == TRANSFER_FUNCTION_BT709 ||
trans == TRANSFER_FUNCTION_GAMMA22 ||
trans == TRANSFER_FUNCTION_GAMMA24 ||
trans == TRANSFER_FUNCTION_GAMMA26) {
rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
sizeof(*rgb_degamma),
GFP_KERNEL);
if (!rgb_degamma)
goto rgb_degamma_alloc_fail;
build_degamma(rgb_degamma,
MAX_HW_POINTS,
coordinates_x,
trans);
for (i = 0; i <= MAX_HW_POINTS ; i++) {
points->red[i] = rgb_degamma[i].r;
points->green[i] = rgb_degamma[i].g;
points->blue[i] = rgb_degamma[i].b;
}
ret = true;
kvfree(rgb_degamma);
} else if (trans == TRANSFER_FUNCTION_HLG) {
rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
sizeof(*rgb_degamma),
GFP_KERNEL);
if (!rgb_degamma)
goto rgb_degamma_alloc_fail;
build_hlg_degamma(rgb_degamma,
MAX_HW_POINTS,
coordinates_x,
80, 1000);
for (i = 0; i <= MAX_HW_POINTS ; i++) {
points->red[i] = rgb_degamma[i].r;
points->green[i] = rgb_degamma[i].g;
points->blue[i] = rgb_degamma[i].b;
}
ret = true;
kvfree(rgb_degamma);
}
points->end_exponent = 0;
points->x_point_at_y1_red = 1;
points->x_point_at_y1_green = 1;
points->x_point_at_y1_blue = 1;
rgb_degamma_alloc_fail:
return ret;
}

3
drivers/gpu/drm/amd/display/modules/color/color_gamma.h
View File

@ -115,9 +115,6 @@ bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
struct dc_transfer_func *output_tf,
const struct dc_gamma *ramp, bool mapUserRamp);
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,
struct calculate_buffer *cal_buffer,