AFAIK, it has not been tracked down exactly what the bug is and whether a simple fix can be applied, just that the newer drm works. The changes that probably make the difference are discussed in https://bugs.freedesktop.org/show_bug.cgi?id=5714.
AFAIK, it has not been tracked down exactly what the bug is and whether a simple fix can be applied, just that the newer drm works. The changes that probably make the difference are discussed in https:/ /bugs.freedeskt op.org/ show_bug. cgi?id= 5714.