.40 did not resolve the problem for my Intel Mac Mini.
In dmesg, I read the following when starting X. [ 220.727730] [drm:i915_setparam] *ERROR* unknown parameter 4 [ 220.727772] [drm:i915_getparam] *ERROR* Unknown parameter 6 [ 221.627995] [drm:i915_getparam] *ERROR* Unknown parameter 6
.40 did not resolve the problem for my Intel Mac Mini.
In dmesg, I read the following when starting X.
[ 220.727730] [drm:i915_setparam] *ERROR* unknown parameter 4
[ 220.727772] [drm:i915_getparam] *ERROR* Unknown parameter 6
[ 221.627995] [drm:i915_getparam] *ERROR* Unknown parameter 6