christopher@Xyz:~$ readlink -f /sys/dev/char/$((0x$(stat -c %t /dev/dri/card0))):$((0x$(stat -c %T /dev/dri/card0)))/device/driver
/sys/bus/pci/drivers/nouveau
christopher@Xyz:~$ ls -l /sys/dev/char/$((0x$(stat -c %t /dev/dri/card0))):$((0x$(stat -c %T /dev/dri/card0)))/device/
total 0
-r--r--r-- 1 root root      4096 2011-10-16 12:23 boot_vga
-rw-r--r-- 1 root root      4096 2011-10-16 14:24 broken_parity_status
-r--r--r-- 1 root root      4096 2011-10-16 12:23 class
-rw-r--r-- 1 root root       256 2011-10-16 12:23 config
-r--r--r-- 1 root root      4096 2011-10-16 14:24 consistent_dma_mask_bits
-r--r--r-- 1 root root      4096 2011-10-16 12:23 device
-r--r--r-- 1 root root      4096 2011-10-16 14:24 dma_mask_bits
lrwxrwxrwx 1 root root         0 2011-10-16 12:23 driver -> ../../../bus/pci/drivers/nouveau
drwxr-xr-x 4 root root         0 2011-10-16 12:23 drm
-rw------- 1 root root      4096 2011-10-16 14:24 enable
lrwxrwxrwx 1 root root         0 2011-10-16 14:24 firmware_node -> ../../LNXSYSTM:00/device:00/PNP0A08:00/device:13
drwxr-xr-x 3 root root         0 2011-10-16 12:23 graphics
drwxr-xr-x 3 root root         0 2011-10-16 12:23 hwmon
drwxr-xr-x 3 root root         0 2011-10-16 12:23 i2c-2
drwxr-xr-x 3 root root         0 2011-10-16 12:23 i2c-3
-r--r--r-- 1 root root      4096 2011-10-16 12:23 irq
-r--r--r-- 1 root root      4096 2011-10-16 14:24 local_cpulist
-r--r--r-- 1 root root      4096 2011-10-16 12:23 local_cpus
-r--r--r-- 1 root root      4096 2011-10-16 14:24 modalias
-rw-r--r-- 1 root root      4096 2011-10-16 14:24 msi_bus
-r--r--r-- 1 root root      4096 2011-10-16 14:24 name
-r--r--r-- 1 root root      4096 2011-10-16 14:24 numa_node
-rw-r--r-- 1 root root      4096 2011-10-16 14:24 performance_level
-r--r--r-- 1 root root      4096 2011-10-16 14:24 performance_level_0
drwxr-xr-x 2 root root         0 2011-10-16 14:24 power
--w--w---- 1 root root      4096 2011-10-16 14:24 remove
--w--w---- 1 root root      4096 2011-10-16 14:24 rescan
--w------- 1 root root      4096 2011-10-16 14:24 reset
-r--r--r-- 1 root root      4096 2011-10-16 12:23 resource
-rw------- 1 root root  16777216 2011-10-16 14:24 resource0
-rw------- 1 root root 268435456 2011-10-16 14:24 resource1
-rw------- 1 root root 268435456 2011-10-16 14:24 resource1_wc
-rw------- 1 root root  16777216 2011-10-16 14:24 resource3
-rw------- 1 root root    131072 2011-10-16 14:24 rom
lrwxrwxrwx 1 root root         0 2011-10-16 12:23 subsystem -> ../../../bus/pci
-r--r--r-- 1 root root      4096 2011-10-16 14:24 subsystem_device
-r--r--r-- 1 root root      4096 2011-10-16 14:24 subsystem_vendor
-rw-r--r-- 1 root root      4096 2011-10-16 14:24 temp1_crit
-r--r--r-- 1 root root      4096 2011-10-16 14:24 temp1_input
-rw-r--r-- 1 root root      4096 2011-10-16 14:24 temp1_max
-rw-r--r-- 1 root root      4096 2011-10-16 12:23 uevent
-r--r--r-- 1 root root      4096 2011-10-16 14:24 update_rate
-r--r--r-- 1 root root      4096 2011-10-16 12:23 vendor
christopher@Xyz:~$