drm/amd/display: remove dc context from transfer function

[Why]
The ctx field of dc_transfer_func is not always populated and therefore
isn't reliable.

[How]
Remove dc context from dc_transfer_func
Signed-off-by: Josip Pavic <Josip.Pavic@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc_stream.c

@@ -123,7 +123,6 @@ static bool dc_stream_construct(struct dc_stream_state *stream,
 		return false;
 	}
 	stream->out_transfer_func->type = TF_TYPE_BYPASS;
-	stream->out_transfer_func->ctx = stream->ctx;
 
 	stream->stream_id = stream->ctx->dc_stream_id_count;
 	stream->ctx->dc_stream_id_count++;

drivers/gpu/drm/amd/display/dc/core/dc_surface.c

@@ -48,22 +48,17 @@ static void dc_plane_construct(struct dc_context *ctx, struct dc_plane_state *pl
 	plane_state->in_transfer_func = dc_create_transfer_func();
 	if (plane_state->in_transfer_func != NULL) {
 		plane_state->in_transfer_func->type = TF_TYPE_BYPASS;
-		plane_state->in_transfer_func->ctx = ctx;
 	}
 	plane_state->in_shaper_func = dc_create_transfer_func();
 	if (plane_state->in_shaper_func != NULL) {
 		plane_state->in_shaper_func->type = TF_TYPE_BYPASS;
-		plane_state->in_shaper_func->ctx = ctx;
 	}
 
 	plane_state->lut3d_func = dc_create_3dlut_func();
-	if (plane_state->lut3d_func != NULL) {
-		plane_state->lut3d_func->ctx = ctx;
-	}
+
 	plane_state->blend_tf = dc_create_transfer_func();
 	if (plane_state->blend_tf != NULL) {
 		plane_state->blend_tf->type = TF_TYPE_BYPASS;
-		plane_state->blend_tf->ctx = ctx;
 	}
 
 }

drivers/gpu/drm/amd/display/dc/dc.h

@@ -745,7 +745,6 @@ struct dc_transfer_func {
 	enum dc_transfer_func_predefined tf;
 	/* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/
 	uint32_t sdr_ref_white_level;
-	struct dc_context *ctx;
 	union {
 		struct pwl_params pwl;
 		struct dc_transfer_func_distributed_points tf_pts;
@@ -772,7 +771,6 @@ struct dc_3dlut {
 	struct tetrahedral_params lut_3d;
 	struct fixed31_32 hdr_multiplier;
 	union dc_3dlut_state state;
-	struct dc_context *ctx;
 };
 /*
  * This structure is filled in by dc_surface_get_status and contains

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c

@@ -325,8 +325,6 @@ bool cm_helper_translate_curve_to_hw_format(
 	if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
 		return false;
 
-	PERF_TRACE_CTX(output_tf->ctx);
-
 	corner_points = lut_params->corner_points;
 	rgb_resulted = lut_params->rgb_resulted;
 	hw_points = 0;
@@ -524,8 +522,6 @@ bool cm_helper_translate_curve_to_degamma_hw_format(
 	if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
 		return false;
 
-	PERF_TRACE_CTX(output_tf->ctx);
-
 	corner_points = lut_params->corner_points;
 	rgb_resulted = lut_params->rgb_resulted;
 	hw_points = 0;

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c

@@ -122,8 +122,6 @@ bool cm3_helper_translate_curve_to_hw_format(
 	if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
 		return false;
 
-	PERF_TRACE_CTX(output_tf->ctx);
-
 	corner_points = lut_params->corner_points;
 	rgb_resulted = lut_params->rgb_resulted;
 	hw_points = 0;
@@ -314,8 +312,6 @@ bool cm3_helper_translate_curve_to_degamma_hw_format(
 	if (output_tf == NULL || lut_params == NULL || output_tf->type == TF_TYPE_BYPASS)
 		return false;
 
-	PERF_TRACE_CTX(output_tf->ctx);
-
 	corner_points = lut_params->corner_points;
 	rgb_resulted = lut_params->rgb_resulted;
 	hw_points = 0;