Description of problem:
I think it's a problem with the trackpoint in a thinkpad external keyboard and libinput, since it crash everytime I touch it.

Additional info:
reporter:       libreport-2.5.1
WARNING: CPU: 0 PID: 1945 at drivers/gpu/drm/i915/intel_display.c:1260 assert_plane.constprop.80+0x74/0xb0 [i915]()
plane A assertion failure (expected on, current off)
Modules linked in: hid_lenovo hidp rfcomm fuse ccm xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ebtable_broute bridge ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw bnep arc4 intel_rapl iosf_mbi x86_pkg_temp_thermal coretemp kvm_intel hid_multitouch vfat fat kvm ppdev uvcvideo videobuf2_vmalloc videobuf2_core iTCO_wdt iTCO_vendor_support videobuf2_memops v4l2_common videodev btusb qcserial usb_wwan media iwlmvm tpm_infineon bluetooth mac80211
 crct10dif_pclmul snd_hda_codec_realtek crc32_pclmul crc32c_intel snd_soc_rt5640 snd_hda_codec_hdmi snd_hda_codec_generic snd_soc_rl6231 iwlwifi snd_soc_core ghash_clmulni_intel snd_hda_intel cfg80211 snd_hda_controller snd_hda_codec snd_compress rtsx_pci_ms snd_hwdep serio_raw snd_pcm_dmaengine memstick snd_seq rfkill snd_seq_device parport_pc snd_pcm tpm_tis parport tpm regmap_i2c i2c_hid ata_generic dw_dmac snd_timer dw_dmac_core i2c_designware_platform mei_me snd_soc_sst_acpi i2c_designware_core fujitsu_laptop pata_acpi snd mei shpchp soundcore lpc_ich i2c_i801 nfsd auth_rpcgss nfs_acl lockd grace sunrpc cdc_mbim cdc_wdm cdc_ncm usbnet mii 8021q garp stp llc mrp i915 i2c_algo_bit drm_kms_helper rtsx_pci_sdmmc e1000e drm rtsx_pci mfd_core ptp pps_core sdhci_acpi sdhci mmc_core video
CPU: 0 PID: 1945 Comm: Xorg Not tainted 4.0.0-0.rc5.git4.1.fc22.x86_64 #1
Hardware name: FUJITSU LIFEBOOK U904/FJNB27D, BIOS Version 1.12 07/25/2014
 0000000000000000 000000000a235e9e ffff8800d9343648 ffffffff8178207a
 0000000000000000 ffff8800d93436a0 ffff8800d9343688 ffffffff8109b82a
 00000000d93436e8 0000000000000000 ffff88003faa0000 ffff8800d8b29000
Call Trace:
 [<ffffffff8178207a>] dump_stack+0x45/0x57
 [<ffffffff8109b82a>] warn_slowpath_common+0x8a/0xc0
 [<ffffffff8109b8b5>] warn_slowpath_fmt+0x55/0x70
 [<ffffffffa01b48a4>] assert_plane.constprop.80+0x74/0xb0 [i915]
 [<ffffffffa01bbfd3>] hsw_disable_ips+0x43/0x1a0 [i915]
 [<ffffffffa01bc3b8>] intel_crtc_disable_planes+0x48/0x150 [i915]
 [<ffffffffa01bd7e9>] ? __intel_set_mode+0x129/0xb80 [i915]
 [<ffffffffa01bd177>] haswell_crtc_disable+0x47/0x3c0 [i915]
 [<ffffffffa01be064>] __intel_set_mode+0x9a4/0xb80 [i915]
 [<ffffffffa01db31d>] ? intel_ddi_compute_config+0x3d/0xa0 [i915]
 [<ffffffffa01c542f>] intel_crtc_set_config+0xc9f/0x1010 [i915]
 [<ffffffffa0091e17>] ? drm_atomic_state_free+0x27/0x60 [drm]
 [<ffffffffa0082026>] drm_mode_set_config_internal+0x66/0x100 [drm]
 [<ffffffffa0137718>] restore_fbdev_mode+0xc8/0xf0 [drm_kms_helper]
 [<ffffffffa0139769>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper]
 [<ffffffffa01397e2>] drm_fb_helper_set_par+0x22/0x50 [drm_kms_helper]
 [<ffffffffa01d4d0a>] intel_fbdev_set_par+0x1a/0x60 [i915]
 [<ffffffff814174b6>] fb_set_var+0x236/0x480
 [<ffffffff8164da0b>] ? sock_poll+0x10b/0x120
 [<ffffffff81784d60>] ? bit_wait_timeout+0x70/0x70
 [<ffffffff81233b9c>] ? do_sys_poll+0x14c/0x600
 [<ffffffff8140cf9c>] fbcon_blank+0x34c/0x390
 [<ffffffff81493eca>] do_unblank_screen+0xda/0x1d0
 [<ffffffff81488b3b>] vt_ioctl+0x57b/0x1430
 [<ffffffff81326987>] ? avc_alloc_node+0x27/0x130
 [<ffffffff8147b821>] tty_ioctl+0x3f1/0xc30
 [<ffffffff81327178>] ? avc_has_perm+0x128/0x1a0
 [<ffffffff81231bb6>] do_vfs_ioctl+0x2c6/0x4d0
 [<ffffffff81063c01>] ? __do_page_fault+0xc1/0x440
 [<ffffffff81231e41>] SyS_ioctl+0x81/0xa0
 [<ffffffff81788509>] system_call_fastpath+0x12/0x17