[oi-dev] [developer] Updated Graphics DRM support for OI

[randyf at sibernet.com]

On Sat, 3 Dec 2016, Yuri Pankov wrote:

> On Sun, 27 Nov 2016 11:33:47 -0500, Gordon Ross wrote:
>> We have some new graphics direct rendering manager (DRM) code to
>> announce for OpenIndiana/hipster.  This version should work better
>> on systems where hipster currently shows only a black screen.
>> 
>> If you'd like to try out the new DRM code, you can create a
>> (temporary) testing boot environment as described here:
>> https://www.illumos.org/projects/gfx-drm/wiki/
>>  How_to_create_a_BE_running_the_new_DRM_code
>> 
>> Alternatively, you can download and boot the ISO images here:
>>   http://dlc-int.openindiana.org/hipster/20161124/
>> and see how it works for you without installing.
>
> Tried the usb image, got the following:
>
> https://ibin.co/345M98Ie3zyF.jpg
>
> I'm not sure if older DRM bits work OK as I wasn't able to install anything 
> other than from this image (due to different issues).
>
> Xorg log attached (just in case it's useful).
>

This is an interesting case where some SNB machines (so far, seem to only 
be Lenovo's) miscalculate FDI timing.

At the end of /etc/system, add:

     set i915:i915_lane_workaround=0x1

and reboot.



 	---- Randy