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# ==============================================
# MTK Policy Rule
# ==============================================
# Data : WK14.42
# Operation : Migration
# Purpose : Video playback
allow surfaceflinger sw_sync_device:chr_file rw_file_perms;
# Date : WK16.33
# Purpose: Allow to access ged for gralloc_extra functions
allow surfaceflinger proc_ged:file rw_file_perms;
allowxperm surfaceflinger proc_ged:file ioctl { proc_ged_ioctls };
# 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_bootprof:file r_file_perms;
#============= surfaceflinger ==============
allow surfaceflinger debugfs_ion:dir search;
# Date : WK17.30
# Operation : O Migration
# Purpose: Allow to access cmdq driver
allow surfaceflinger mtk_cmdq_device:chr_file r_file_perms;
allow surfaceflinger mtk_mdp_device:chr_file r_file_perms;
allow surfaceflinger mtk_mdp_sync:chr_file r_file_perms;
allow surfaceflinger sysfs_boot_mode:file r_file_perms;
# 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};
allowxperm surfaceflinger proc_perfmgr:file ioctl {
PERFMGR_FPSGO_QUEUE
PERFMGR_FPSGO_DEQUEUE
PERFMGR_FPSGO_QUEUE_CONNECT
PERFMGR_FPSGO_BQID
PERFMGR_FPSGO_VSYNC
};
# Date : WK17.43
# Operation : Debug
# Purpose: Allow to dump HWC backtrace
get_prop(surfaceflinger, vendor_mtk_graphics_hwc_pid_prop)
get_prop(surfaceflinger, vendor_mtk_graphics_hwc_latch_unsignaled_prop)
get_prop(surfaceflinger, vendor_mtk_graphics_hwc_validate_separate_prop)
allow surfaceflinger hal_graphics_composer_default:dir search;
allow surfaceflinger hal_graphics_composer_default:lnk_file read;
dontaudit surfaceflinger hal_graphics_composer_default:file r_file_perms;
# Date : WK19.4
# Operation : P Migration
# Purpose: Allow to access /dev/mdp_device driver
allow surfaceflinger mdp_device:chr_file rw_file_perms;
# Date : WK18.43
# Operation : HDR
# Purpose: Allow to skip aosp hdr solution
get_prop(surfaceflinger, vendor_mtk_graphics_hwc_hdr_prop)
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