1*61046927SAndroid Build Coastguard Worker### freedreno_noop backend 2*61046927SAndroid Build Coastguard Worker 3*61046927SAndroid Build Coastguard WorkerThis implements the minimum of msm in order to make shader-db work. 4*61046927SAndroid Build Coastguard WorkerThe submit ioctl is stubbed out to not execute anything. 5*61046927SAndroid Build Coastguard Worker 6*61046927SAndroid Build Coastguard WorkerExport `MESA_LOADER_DRIVER_OVERRIDE=msm 7*61046927SAndroid Build Coastguard WorkerLD_PRELOAD=$prefix/lib/libfreedreno_noop_drm_shim.so`. 8*61046927SAndroid Build Coastguard Worker 9*61046927SAndroid Build Coastguard WorkerBy default, a630 is exposed. The chip can be selected an enviornment 10*61046927SAndroid Build Coastguard Workervariable like `FD_GPU_ID=307" 11