new Xorg (KMS, etc.) for Radeon 9600

[dt71 at gmx.com]

Jean-Sébastien Pédron wrote, On 12/17/2013 22:20:
> On 16.12.2013 08:36, dt71 at gmx.com wrote:
>> Still nobody wants to apply Robert Noland's DRM patch?
>
> What problem(s) does this patch fix?

It fixes non-deterministic lockups when the (old, drm1) r300 drivers are used.

According to John Baldwin [1]: "The drm code is doing a copyin() while holding a mutex (which is not allowed)." The latest version of the patch (also the one I used for years) is at [2], linked from [3].

[1] http://lists.freebsd.org/pipermail/freebsd-current/2009-April/005988.html
[2] http://people.freebsd.org/~rnoland/drm_radeon-copyin-fix-try2.patch
[3] http://lists.freebsd.org/pipermail/freebsd-current/2009-April/006080.html