We don't use this function anywhere, therefore, remove it.
Signed-off-by: Melissa Wen <m...@igalia.com>
---
.../amd/display/modules/color/color_gamma.c | 86 -------------------
.../amd/display/modules/color/color_gamma.h | 3 -
2 files changed, 89 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 6e606b11286a..67a062af3ab0 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -2217,89 +2217,3 @@ bool mod_color_calculate_regamma_params(struct
dc_transfer_func *output_tf,
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;
-}
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 2893abf48208..ee5c466613de 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
@@ -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,
--
2.39.0
