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[SOLVED] GPU drivers for i7-6700 skylake
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chris_harvey
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PostPosted: Fri Nov 06, 2015 2:57 pm    Post subject: [SOLVED] GPU drivers for i7-6700 skylake Reply with quote

I got a shiny new i7-6700, it has the following device:

Code:

00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated Graphics (rev 06)
    DeviceName:  Onboard IGD
    Subsystem: Gigabyte Technology Co., Ltd Sky Lake Integrated Graphics
    Kernel driver in use: i915


I installed the following drivers

Code:

[I] x11-drivers/xf86-video-intel
     Available versions:  ~*2.9.1 2.19.0 2.20.13 2.21.15 (~)2.99.903 (~)2.99.905-r1 (~)2.99.906 (~)2.99.907-r1 (~)2.99.909 (~)2.99.910 (~)2.99.914 (~)2.99.916 2.99.917 (~)2.99.917-r1 (~)2.99.917-r2 {debug dri glamor (+)sna +udev uxa xvmc}
     Installed versions:  2.99.917-r2(09:17:14 AM 11/05/2015)(dri sna udev uxa xvmc -debug)
     Homepage:            http://xorg.freedesktop.org/
     Description:         X.Org driver for Intel cards

Kernel = 4.3.0 vanilla
# zcat /proc/config.gz | grep 915
# CONFIG_MFD_DA9150 is not set
CONFIG_DRM_I915=y
CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT=y
CONFIG_SND_HDA_I915=y


every time I start an opengl application I see the following:

Code:

# glxinfo  | head
libGL error: pci id for fd 4: 8086:1912, driver (null)
i965_dri.so does not support the 0x1912 PCI ID.
libGL error: failed to create dri screen
libGL error: failed to load driver: i965
name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
[....snip....]


Is my GPU just not supported yet, or did I do something wrong? I tried setting both i965 and i915 in my VIDEO_DRIVERS flags, but I'm not sure what that changes.


Last edited by chris_harvey on Sat Nov 07, 2015 3:45 am; edited 1 time in total
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Perfect Gentleman
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PostPosted: Fri Nov 06, 2015 3:08 pm    Post subject: Reply with quote

afaik, skylake is needed to have blob firmware being built into kernel.
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Roman_Gruber
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PostPosted: Fri Nov 06, 2015 3:25 pm    Post subject: Reply with quote

https://wiki.archlinux.org/index.php/Intel_graphics#Driver_not_working_for_Intel_Skylake_chips

..
http://www.phoronix.com/scan.php?page=article&item=intel-hd-530&num=1
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chris_harvey
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PostPosted: Fri Nov 06, 2015 3:33 pm    Post subject: Reply with quote

tw04l124 wrote:
https://wiki.archlinux.org/index.php/Intel_graphics#Driver_not_working_for_Intel_Skylake_chips

..
http://www.phoronix.com/scan.php?page=article&item=intel-hd-530&num=1


that link says to do the following:

Quote:
Driver not working for Intel Skylake chips

For the driver to work on the new Intel Skylake (6th gen.) GPUs, i915.preliminary_hw_support=1 must be added to your boot parameters.


I added that option in the kernel .config as CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT=y

I'll try adding the kernel boot parameter as well, but the kernel part of the driver seems fine, I have mode setting working. It's only OpenGL applications that aren't working.
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chris_harvey
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PostPosted: Sat Nov 07, 2015 3:45 am    Post subject: Reply with quote

Finally solved this.

I went over to https://01.org/linuxgraphics/downloads there is a list of packages and versions they use. I unmasked that whole list and installed them all. I don't know which package version change solved it for me, but I'm not seeing any GPU issues any more. (minimal testing testing so far)

I did not have to download any firmware manually. I literally installed a kernel straight off of kernel.org (4.3.0)
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