<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - DRM / KMS bootup error on VX900 platform" href="https://bugs.freedesktop.org/show_bug.cgi?id=94473#c58">Comment # 58</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - DRM / KMS bootup error on VX900 platform" href="https://bugs.freedesktop.org/show_bug.cgi?id=94473">bug 94473</a> from <a class="email" href="mailto:huangran@iscas.ac.cn" title="HuangRan <huangran@iscas.ac.cn>"> HuangRan</a> <pre>Hi Kevin, Actually I didn't recommend you do the back porting work for VIA KMS driver because of this reason... I remember one team is doing that when I am in AMD and this team spend several months to finish the back porting and verify it is working fine... So for conclusion, I still suggest you use latest Linux distribution OS with new kernel version. Thanks, Frank (In reply to Kevin Brace from <a href="show_bug.cgi?id=94473#c57">comment #57</a>) > > > Hi Frank, > > I tried compiling James Simmons' developmental DRM module that supports KMS > with Linux 3.2 kernel. > It was a pretty miserable several hours I spent trying this . . . > It appears that James used the latest TTM API, so it cannot practically be > compiled with Linux kernel anything older than 3.18 without some rewriting. > Considering that VIA Technologies hardware we are dealing here is not state > of the art unlike stuff from NVIDIA, AMD, or Intel (in no particular order), > I will be philosophically against using the latest API. > If the older API is adequate, I will be inclined to sticking to it, unless > there are technical reasons to using the newer API for newer generation > hardware or older the API was obsoleted. > Anyway, just to make it somewhat easier to compile it against older Linux > kernels, the newer DRM module should supply its own PCI device IDs, rather > than using the ones from DRM header file or Linux PCI device ID header file. > Due to this compilation issue, I probably will have to use a shorter > support period Lubuntu for the newer DRM development like Lubuntu 15.10 for > experimenting with my ZOTAC ZBOX nano VD01.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>