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drm/amd/display: Fix handling of linear transfer function 

Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Vitaly Prosyak 2018-02-28 10:44:54 -06:00 committed by Alex Deucher
parent 3f7194bce2
commit 9eee21376b
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/display/modules/color/color_gamma.c
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@ -1267,7 +1267,8 @@ bool mod_color_calculate_curve(enum dc_transfer_func_predefined trans,
bool ret = false; bool ret = false;
struct pwl_float_data_ex *rgb_regamma = NULL; struct pwl_float_data_ex *rgb_regamma = NULL;
if (trans == TRANSFER_FUNCTION_UNITY) { if (trans == TRANSFER_FUNCTION_UNITY ||
trans == TRANSFER_FUNCTION_LINEAR) {
points->end_exponent = 0; points->end_exponent = 0;
points->x_point_at_y1_red = 1; points->x_point_at_y1_red = 1;
points->x_point_at_y1_green = 1; points->x_point_at_y1_green = 1;
@ -1337,7 +1338,8 @@ bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
bool ret = false; bool ret = false;
struct pwl_float_data_ex *rgb_degamma = NULL; struct pwl_float_data_ex *rgb_degamma = NULL;
if (trans == TRANSFER_FUNCTION_UNITY) { if (trans == TRANSFER_FUNCTION_UNITY ||
trans == TRANSFER_FUNCTION_LINEAR) {
for (i = 0; i <= MAX_HW_POINTS ; i++) { for (i = 0; i <= MAX_HW_POINTS ; i++) {
points->red[i] = coordinates_x[i].x; points->red[i] = coordinates_x[i].x;