x11/nvidia-driver (340.24/340.32/343.13): nvidia BLOB doesn't recognize any display socket on Lenovo E540/UEFI and FBSD CURRENT

[Nathan Whitehorn]

On 09/20/14 07:27, Warren Block wrote:
> On Sat, 20 Sep 2014, 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.
>
> Optimus started out that way, but they might use the same name now for 
> models where the additional GPU is a full discrete adapter.
>
>> 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.
>
> Whoops, HD4600 is Haswell.  The intel driver on FreeBSD does not 
> support Haswell video yet.
>

Is there any kind of status update on Haswell? The wiki has the last 
update 11 months ago and it's becoming a major useability issue for the 
operating system.
-Nathan