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authorVitaly Prosyak <vitaly.prosyak@amd.com>2018-02-28 10:44:54 -0600
committerAlex Deucher <alexander.deucher@amd.com>2018-03-14 15:08:48 -0500
commit9eee21376b62bba656533438d2a9f0d966d4e487 (patch)
tree9bdd612cfbc02d5296c1d01378dab89216241fd0 /drivers/gpu/drm
parent3f7194bce26ed39055439ebcf608fab43e846f2e (diff)
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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/color_gamma.c6
1 files changed, 4 insertions, 2 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 57d5c2575de1..e7e374f56864 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -1267,7 +1267,8 @@ bool mod_color_calculate_curve(enum dc_transfer_func_predefined trans,
bool ret = false;
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->x_point_at_y1_red = 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;
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++) {
points->red[i] = coordinates_x[i].x;