On 02.12.2016 10:18, kitestramuort wrote:
On Thu, 2016-12-01 at 23:53 +0100, Klemens Nanni wrote:
On Thu, Dec 01, 2016 at 11:35:36AM -0700, Trammell Hudson wrote:
The major drawback is the low res screen. I've been considering trying these hacked x230 machines with 2560x1440 screens for 2559Y (about $400?):
https://item.taobao.com/item.htm?id=43820633263&toSite=main http://forum.51nb.com/thread-1662397-1-1.html
Interesting, I wonder how well these replacement screens would work with coreboot? I assume the proprietary VGA Option ROM won't work with those and native graphics initialisation still needs some work on the X230 either ways.
I have one of those. The dock DP lane is "hijacked" to fit the FHD eDP screen. In the BIOS (and in Windows) the signal is duplicated between the non-existent LVDS and DP, consuming more power. However it works very well in Linux with a small patch to the i915 module that disables the LVDS lane and forces DP-3 to be detected as eDP.
I tried doing the same in coreboot, playing with the source code, but couldn't figure out how to. It would be great to have the setup working "natively"
There's C code only for LVDS (nb/intel/sandybridge) and eDP (mb/google /link). No support for the PCH's DPs.
There's Ada code now, that supports quite a lot (3rdparty/libgfxinit). It would require a small patch to make the panel power sequencing work along with the DP. I can help you with that if you want to try.
Nico