Comment 28 for bug 1602529

3) I just tested it and it works. But I am not sure if I am using the noveau or intel driver right now (I think it must be noveau, since thinkpad can only output via the discrete card to external screens as far as I know and since it is listed in lsmod:

Module Size Used by
pci_stub 16384 1
vboxpci 24576 0
vboxnetadp 28672 0
vboxnetflt 28672 0
vboxdrv 454656 3 vboxnetadp,vboxnetflt,vboxpci
binfmt_misc 20480 1
nls_iso8859_1 16384 1
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
coretemp 16384 0
kvm_intel 172032 0
kvm 536576 1 kvm_intel
irqbypass 16384 1 kvm
arc4 16384 2
joydev 20480 0
rtl8192ce 57344 0
rtl_pci 28672 1 rtl8192ce
input_leds 16384 0
rtl8192c_common 53248 1 rtl8192ce
serio_raw 16384 0
rtlwifi 77824 3 rtl_pci,rtl8192c_common,rtl8192ce
mac80211 737280 3 rtl_pci,rtlwifi,rtl8192ce
cfg80211 565248 2 mac80211,rtlwifi
lpc_ich 24576 0
snd_hda_codec_realtek 86016 1
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
snd_hda_intel 36864 3
snd_hda_codec 135168 3 snd_hda_codec_realtek,snd_hda_codec_generic,snd_hda_intel
snd_hda_core 73728 4 snd_hda_codec_realtek,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hwdep 16384 1 snd_hda_codec
snd_pcm 106496 3 snd_hda_codec,snd_hda_intel,snd_hda_core
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi
thinkpad_acpi 90112 1
nvram 16384 1 thinkpad_acpi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_pcm,snd_seq
snd 81920 17 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device
mac_hid 16384 0
mei_me 36864 0
soundcore 16384 1 snd
shpchp 36864 0
mei 98304 1 mei_me
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,ppdev,parport_pc
autofs4 40960 2
jitterentropy_rng 16384 0
drbg 32768 1
ansi_cprng 16384 0
algif_skcipher 20480 0
af_alg 16384 1 algif_skcipher
dm_crypt 28672 1
mmc_block 36864 0
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
aesni_intel 167936 2
aes_x86_64 20480 1 aesni_intel
lrw 16384 1 aesni_intel
gf128mul 16384 1 lrw
glue_helper 16384 1 aesni_intel
ablk_helper 16384 1 aesni_intel
cryptd 20480 3 aesni_intel,ablk_helper
psmouse 126976 0
i915 1208320 2
pata_acpi 16384 0
nouveau 1495040 1
e1000e 237568 0
ptp 20480 1 e1000e
mxm_wmi 16384 1 nouveau
ttm 94208 1 nouveau
i2c_algo_bit 16384 2 i915,nouveau
pps_core 20480 1 ptp
drm_kms_helper 147456 2 i915,nouveau
firewire_ohci 40960 0
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
firewire_core 65536 1 firewire_ohci
sysimgblt 16384 1 drm_kms_helper
crc_itu_t 16384 1 firewire_core
fb_sys_fops 16384 1 drm_kms_helper
sdhci_pci 28672 0
sdhci 45056 1 sdhci_pci
drm 360448 7 ttm,i915,drm_kms_helper,nouveau
wmi 20480 2 mxm_wmi,nouveau
fjes 28672 0
video 40960 3 i915,thinkpad_acpi,nouveau