FBC_IDLE_MASK_RESERVED21 3447 drivers/gpu/drm/amd/include/asic_reg/dce/dce_11_2_enum.h 	FBC_IDLE_MASK_RESERVED21                         = 0x15,
FBC_IDLE_MASK_RESERVED21 13147 drivers/gpu/drm/amd/include/vega10_enum.h FBC_IDLE_MASK_RESERVED21                 = 0x00000015,