[Openchrome-devel] [Bug 95524] Ditching xf86-video-openchrome in favor of xf86-video-modesetting?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95524

--- Comment #1 from Kevin Brace <kevinbrace at gmx.com> ---
(In reply to nw9165-3201 from comment #0)

Hi there,

> Hello,
> 
> according to the discussion in the following Phoronix forum thread:
> 
> https://www.phoronix.com/forums/forum/phoronix/latest-phoronix-articles/
> 863332-intel-s-unreleased-3-0-x-org-driver-gets-more-fixes-for-dri3-present
> 
> the generic xf86-video-modesetting DDX driver included in xorg-server seems
> to be better than most vendor specific xf86-video- drivers.
> 
> I am wondering:
> 
> Then why not ditch xf86-video-openchrome in favor of xf86-video-modesetting?
> 
> This has also been requested for:
> 
> xf86-video-amdgpu:
> https://bugs.freedesktop.org/show_bug.cgi?id=94841
> 
> xf86-video-ati:
> https://bugs.freedesktop.org/show_bug.cgi?id=94842
> 
> xf86-video-intel:
> https://bugs.freedesktop.org/show_bug.cgi?id=94843
> 
> xf86-video-nouveau:
> https://bugs.freedesktop.org/show_bug.cgi?id=94844
> 
> And since then there has also been a lot of discussion and benchmarking
> around this topic, see for example:
> 
> http://www.phoronix.com/scan.php?page=search&q=xf86-video-modesetting
> 
> Regards

The developer (James Simmons) who did most of the OpenChrome DRM with KMS
disappeared completely, and due to that, the new DRM development has been
delayed considerably.
Since then, I have made one commit to fix a minor problem, and Frank Huang (the
other active OpenChrome developer) also made one commit to fix an HDMI related
problem.

https://cgit.freedesktop.org/openchrome/drm-openchrome/

If I understand the issue correctly, 2D acceleration is currently turned off
for the new DRM.
Although it does sound like an excuse, I do not really like working on the
newer DRM since it does not compile with the newer Linux kernel (i.e., Linux
4.2 kernel).
I mainly work on OpenChrome UMS code since that is what is sort of working (I
phrase it like this since the UMS code is also broken in some ways.), and mode
setting code I am currently working on for VIA IGP should eventually make its
way into the new DRM. 
That is what my current plan is.
If there is anyone who wants to further develop the newer DRM or turn on 2D
acceleration when the newer DRM is used, I will welcome the help.

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