[Bug 222785] New: KDE should rely on Xorg telling wether DRI is possible

[Frank Thieme]

https://bugs.kde.org/show_bug.cgi?id=222785

           Summary: KDE should rely on Xorg telling wether DRI is possible
           Product: kde
           Version: unspecified
          Platform: NetBSD pkgsrc
        OS/Version: NetBSD
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: frank at fthieme.net


Version:            (using KDE 4.3.4)
Compiler:          gcc (GCC) 4.1.3 20080704 prerelease (NetBSD nb2 20081120) 
OS:                NetBSD
Installed from:    NetBSD pkgsrc

I did a fresh install of NetBSD and have the problem with my graphics card,
that I can't use DRI, yet. When I run Xorg without configuration, it will load
the drm module and try DRI, exiting with an error and leaving a black unusable
screen behind. All I can do is reboot the machine to get a normal screen back. 
(Bug xsrc/42262)

Ok, now I tell Xorg to just not use DRI and can use Xorg "normal". Now I can
start kdm and log in to KDE.

Now KDE tries to detect DRI themself and leave a black, unusable screen behind.
The great thing is, that I can start Xorg, run an xterm and disable "Desktop
Effects" in systemsettings. Then I can login to KDE and use it (besides some
other graphical problems, that not happen with e.g. Xfce, but that will be
another bug).

I can think of 2 solutions:
- rely on Xorg telling there is no DRI
- activate Desktop Effects after user say he wants that (maybe with an
additional "Yes, it succeeded" button)

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