lsmod |grep radeon and mount |grep debugfs output

[dan@ArchLinux ~]$ lsmod |grep radeon
radeon                994928  0
ttm                    54872  1 radeon
drm_kms_helper         25721  2 radeon,i915
drm                   185736  6 radeon,ttm,i915,drm_kms_helper
i2c_algo_bit            5199  2 radeon,i915
i2c_core               20460  7 radeon,videodev,i915,drm_kms_helper,drm,i2c_algo_bit,i2c_i801
[dan@ArchLinux ~]$ mount |grep debugfs
debugfs on /sys/kernel/debug type debugfs (rw)