diff --git a/arm/raspi_args.gn b/arm/raspi_args.gn
index 02c92f63..e702626a 100644
--- a/arm/raspi_args.gn
+++ b/arm/raspi_args.gn
@@ -31,7 +31,12 @@ symbol_level = 0
 enable_nacl = false
 optimize_webui = true
 enable_webui_tab_strip = true
+is_clang = true
+treat_warnings_as_errors = false
+# llvm_force_head_revision = true
 use_lld = true
+use_icf = true
+is_cfi = true
 v8_symbol_level = 0
 v8_enable_fast_torque = true
 use_v8_context_snapshot = true
@@ -57,8 +62,11 @@ use_vaapi = true
 enable_library_cdms = true
 enable_widevine = true
 bundle_widevine_cdm = false
+enable_widevine_cdm_component = true
+enable_widevine_cdm_host_verification = false
 ignore_missing_widevine_signing_cert = true
 enable_media_drm_storage = true
+enable_media_overlay = true
 enable_hangout_services_extension = true
 rtc_use_h264 = true
 rtc_include_ilbc = true
@@ -70,9 +78,11 @@ enable_platform_hevc = true
 enable_hevc_parser_and_hw_decoder = true
 enable_platform_ac3_eac3_audio = true
 enable_platform_dolby_vision = true
+enable_platform_encrypted_dolby_vision = true
 enable_platform_mpeg_h_audio = true
 enable_platform_dts_audio = true
 enable_mse_mpeg2ts_stream_parser = true
+use_text_section_splitting = true
 use_thin_lto = true
 thin_lto_enable_optimizations = true
 chrome_pgo_phase = 2