x11/nvidia-driver (340.24/340.32/343.13): nvidia BLOB doesn't recognize any display socket on Lenovo E540/UEFI and FBSD CURRENT
Larry Rosenman
ler at lerctr.org
Sat Sep 20 14:21:40 UTC 2014
On 2014-09-20 09:10, O. Hartmann wrote:
> Am Sat, 20 Sep 2014 07:36:21 -0600 (MDT)
> Warren Block <wblock at wonkity.com> schrieb:
>
>> On Fri, 19 Sep 2014, O. Hartmann wrote:
>>
>> > nVidia's BLOB from port x11/nvidia-driver seems to have problems in FreeBSD
>> > 11.0-CURRENT #2 r271869: Fri Sep 19 13:28:03 CEST 2014 amd64, on Lenovo ThinkPad Edge
>> > E540 laptop with CPU i5-4200M (Haswell) with integrated HD4600 Intel iGPU and
>> > dedicated nVidia GT 740M (Optimus) working correctly.
>>
>> Optimus is supposed to be full Intel graphics plus an Nvidia GPU. The
>> extra GPU uses the same display memory and can be enabled to speed up
>> the Intel graphics or disabled for power saving. I don't know if
>> versions where the Nvidia section is a full discrete video adapter
>> that
>> can be used alone are still called "Optimus".
>>
>> Some Optimus owners have reported being able to use the Intel drivers
>> after disabling the Nvidia GPU in the BIOS or UEFI. If an option to
>> disable the Nvidia GPU is not present, some people have reported
>> success
>> with an xorg.conf that uses only the intel driver and ignores the
>> Nvidia
>> hardware.
>
> Thanks Warren.
>
> But this sounds even more frustrating now. I look around the web even
> at Lenovo's support
> forum. Many people report the GT 740M nVidia adaptor as a discrete
> adaptor with Optimus
> technology and everything sounds to me like it can be selected
> exclusively. What you
> describes is that I definitely need to use the HD4600 iGPU on FreeBSD
> in the first place
> since the nVidia hardware is a kind of "appendix" to the HD4600.
>
> Anyway, I also tried to configure X11 as HD4600 only and X11 doesn't
> work properly: it
> doesn't even start up and loading the "intel" driver complains about a
> missing device -
> preceeded by a lot of /dev/dri errors. This indicates to me, in a naiv
> manner, that this
> HD4600 isn't recodnized by the kernel, either. I do not see any kind
> of vga0: entry in
> the kernel log when enabling "Integrated Graphics" only in the
> laptop's UEFI/Firmware.
> When enabling "nVidia Optimus", a recognized vga0: device shows up.
>
> From my server, equipted with a IvyBridge i3-class CPU with integrated
> iGPU, I even get
> this message from 11.0-CURRENT:
>
> vgapci0 at pci0:0:2:0: class=0x030000 card=0x01521849 chip=0x01528086
> rev=0x09 hdr=0x00
> vendor = 'Intel Corporation'
> device = 'Xeon E3-1200 v2/3rd Gen Core processor Graphics
> Controller'
> class = display
> subclass = VGA
> bar [10] = type Memory, range 64, base 0xf7800000, size 4194304,
> enabled
> bar [18] = type Prefetchable Memory, range 64, base 0xe0000000,
> size 268435456,
> enabled bar [20] = type I/O Port, range 32, base 0xf000, size 64,
> enabled
> cap 05[90] = MSI supports 1 message
> cap 01[d0] = powerspec 2 supports D0 D3 current D0
> cap 13[a4] = PCI Advanced Features: FLR TP
>
>
> The very same CURRENT (most recent as I built world on all system
> today) doesn't
> recognize the Haswell's HD4600 iGPU (i5-4200M). So, it seems
> impossible to me that people
> can report having this GPU working if even the most recent FreeBSD
> CURRENT doesn't
> recognize it.
for the record, on my Thinkpad W520+Docking Station, I get two HDMI /
DVI outputs off the Nvidia GPU, in addition to the
Intel graphics on the local LCD. This is under Windows, but.....
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 214-642-9640 (c) E-Mail: ler at lerctr.org
US Mail: 108 Turvey Cove, Hutto, TX 78634-5688
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