drm/amd/display: Remove unused code for some dc files

Cleanup unused code in DC.
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -3614,9 +3614,6 @@ static void commit_plane_for_stream_offload_fams2_flip(struct dc *dc,
 	for (i = 0; i < surface_count; i++) {
 		struct dc_plane_state *plane_state = srf_updates[i].surface;
 
-		/* set offload flag so driver does not program address */
-		plane_state->address.offload_flip = true;
-
 		for (j = 0; j < dc->res_pool->pipe_count; j++) {
 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
 
@@ -3638,12 +3635,6 @@ static void commit_plane_for_stream_offload_fams2_flip(struct dc *dc,
 				stream,
 				srf_updates,
 				surface_count);
-
-	/* reset offload flip flag */
-	for (i = 0; i < surface_count; i++) {
-		struct dc_plane_state *plane_state = srf_updates[i].surface;
-		plane_state->address.offload_flip = false;
-	}
 }
 
 static void commit_planes_for_stream_fast(struct dc *dc,

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

@@ -125,9 +125,6 @@ struct dc_plane_address {
 	union large_integer page_table_base;
 
 	uint8_t vmid;
-	/* dc should use hw flip queue rather than directly programming the surface address.
-	 * Value is determined on each flip. */
-	bool offload_flip;
 };
 
 struct dc_size {

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h

@@ -1091,10 +1091,6 @@ void mpc3_power_on_ogam_lut(
 
 void mpc3_init_mpcc(struct mpcc *mpcc, int mpcc_inst);
 
-void mpc3_mpc_init_single_inst(
-	struct mpc *mpc,
-	unsigned int mpcc_id);
-
 enum dc_lut_mode mpc3_get_ogam_current(
 	struct mpc *mpc,
 	int mpcc_id);