android_device_mediatek_sepolicy/non_plat/surfaceflinger.te

# ==============================================
# MTK Policy Rule
# ============

# Data : WK14.42
# Operation : Migration
# Purpose : Video playback
allow surfaceflinger sw_sync_device:chr_file { rw_file_perms };
allow surfaceflinger debug_prop:property_service set;

# Date : WK16.33
# Purpose: Allow to access ged for gralloc_extra functions
allow surfaceflinger proc_ged:file {open read write ioctl getattr};

# Date : W16.42
# Operation : Integration
# Purpose : DRM / DRI GPU driver required

allow surfaceflinger gpu_device:dir search;

# Date : WK17.12
# Purpose: Fix bootup fail
#allow surfaceflinger proc:file r_file_perms;

#============= surfaceflinger ==============
allow surfaceflinger debugfs_ion:dir search;

#============= surfaceflinger ==============
#allow surfaceflinger debugfs_tracing:file write;

#============= surfaceflinger ==============
#allow surfaceflinger debugfs_tracing:file open;

# Date : WK17.30
# Operation : O Migration
# Purpose: Allow to access cmdq driver
allow surfaceflinger mtk_cmdq_device:chr_file { read ioctl open };

# Date : W17.39
# Perform Binder IPC.
binder_use(surfaceflinger)
binder_call(surfaceflinger, binderservicedomain)
binder_call(surfaceflinger, appdomain)
binder_call(surfaceflinger, mtkbootanimation)
binder_service(surfaceflinger)

allow surfaceflinger mtkbootanimation:dir search;
allow surfaceflinger mtkbootanimation:file { read getattr open };

# Date : W17.43
# Operation : Migration
# Purpose: Allow to access perfmgr
allow surfaceflinger proc_perfmgr:dir {read search};
allow surfaceflinger proc_perfmgr:file {open read ioctl};

# Date : WK17.43
# Operation : Debug
# Purpose: Allow to dump HWC backtrace
get_prop(surfaceflinger, graphics_hwc_pid_prop)
allow surfaceflinger hal_graphics_composer_default:dir search;
allow surfaceflinger hal_graphics_composer_default:lnk_file read;