drm/amd/display: Enable fast update on blendTF change

[Why]
Full update is not required on surface blend TF change.

[How]
Update full_update_required condition.

Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Ilya Bakoulin <ilya.bakoulin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Ilya Bakoulin

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

@@ -4348,7 +4348,6 @@ static bool full_update_required(struct dc *dc,
 				srf_updates[i].in_transfer_func ||
 				srf_updates[i].func_shaper ||
 				srf_updates[i].lut3d_func ||
-				srf_updates[i].blend_tf ||
 				srf_updates[i].surface->force_full_update ||
 				(srf_updates[i].flip_addr &&
 				srf_updates[i].flip_addr->address.tmz_surface != srf_updates[i].surface->address.tmz_surface) ||