drm/amd/display: fix gamma for dpms usecase

For dpms usecase we need to set surface transfer function
regardless of gamma set flag.

Signed-off-by: Roman Li <Roman.Li@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>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
index da8bd66..8807b48 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
@@ -515,7 +515,6 @@ static void fill_gamma_from_crtc(
        struct dc_gamma *gamma;
        struct drm_crtc_state *state = crtc->state;
        struct drm_color_lut *lut = (struct drm_color_lut *) state->gamma_lut->data;
-       struct dc_transfer_func *input_tf;
 
        gamma = dc_create_gamma();
 
@@ -529,16 +528,6 @@ static void fill_gamma_from_crtc(
        }
 
        dc_surface->gamma_correction = gamma;
-
-       input_tf = dc_create_transfer_func();
-
-       if (input_tf == NULL)
-               return;
-
-       input_tf->type = TF_TYPE_PREDEFINED;
-       input_tf->tf = TRANSFER_FUNCTION_SRGB;
-
-       dc_surface->in_transfer_func = input_tf;
 }
 
 static void fill_plane_attributes(
@@ -549,6 +538,7 @@ static void fill_plane_attributes(
        const struct amdgpu_framebuffer *amdgpu_fb =
                to_amdgpu_framebuffer(state->fb);
        const struct drm_crtc *crtc = state->crtc;
+       struct dc_transfer_func *input_tf;
 
        fill_rects_from_plane_state(state, surface);
        fill_plane_attributes_from_fb(
@@ -557,6 +547,16 @@ static void fill_plane_attributes(
                amdgpu_fb,
                addrReq);
 
+       input_tf = dc_create_transfer_func();
+
+       if (input_tf == NULL)
+               return;
+
+       input_tf->type = TF_TYPE_PREDEFINED;
+       input_tf->tf = TRANSFER_FUNCTION_SRGB;
+
+       surface->in_transfer_func = input_tf;
+
        /* In case of gamma set, update gamma value */
        if (state->crtc->state->gamma_lut) {
                fill_gamma_from_crtc(crtc, surface);