I installed the kernel you linked to and set the kernel parameter.
On first boot the system immediately crashed with I/O errors upon login.
After reboot I could run the commands:

$ dmesg | grep -i nvme
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.12.0-041200rc5-generic root=UUID=365f1a9c-9598-4ad5-a387-d02f771767a1 ro quiet splash nvme_core.default_ps_max_latency_us=0 nvme_core.dyndbg=+p vt.handoff=7
[    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.12.0-041200rc5-generic root=UUID=365f1a9c-9598-4ad5-a387-d02f771767a1 ro quiet splash nvme_core.default_ps_max_latency_us=0 nvme_core.dyndbg=+p vt.handoff=7
[    2.225100] nvme nvme0: pci function 0000:04:00.0
[    2.441319]  nvme0n1: p1 p2
[    4.220749] EXT4-fs (nvme0n1p2): mounted filesystem with ordered data mode. Opts: (null)
[    4.411077] EXT4-fs (nvme0n1p2): re-mounted. Opts: errors=remount-ro


$ sudo nvme get-feature -f 0x0c -H /dev/nvme0
get-feature:0xc (Autonomous Power State Transition), Current value:0x000001
	Autonomous Power State Transition Enable (APSTE): Enabled
	Auto PST Entries	.................
	Entry[ 0]   
	.................
	Idle Time Prior to Transition (ITPT): 50 ms
	Idle Transition Power State   (ITPS): 4
	.................
	Entry[ 1]   
	.................
	Idle Time Prior to Transition (ITPT): 50 ms
	Idle Transition Power State   (ITPS): 4
	.................
	Entry[ 2]   
	.................
	Idle Time Prior to Transition (ITPT): 50 ms
	Idle Transition Power State   (ITPS): 4
	.................
	Entry[ 3]   
	.................
	Idle Time Prior to Transition (ITPT): 10000 ms
	Idle Transition Power State   (ITPS): 5
	.................
	Entry[ 4]   
	.................
	Idle Time Prior to Transition (ITPT): 10000 ms
	Idle Transition Power State   (ITPS): 5
	.................
	Entry[ 5]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 5
	.................
	Entry[ 6]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[ 7]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[ 8]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[ 9]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[10]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[11]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[12]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[13]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[14]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[15]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[16]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[17]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[18]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[19]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[20]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[21]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[22]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[23]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[24]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[25]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[26]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[27]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[28]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[29]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[30]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................
	Entry[31]   
	.................
	Idle Time Prior to Transition (ITPT): 0 ms
	Idle Transition Power State   (ITPS): 0
	.................