Fix has been pushed to drm-intel-next, that's probably the easiest way to get it now:
author Jesse Barnes <email address hidden> commit dff33cfcefa31c30b72c57f44586754ea9e8f3e2
drm/i915: FIFO watermark calculation fixes
Fix has been pushed to drm-intel-next, that's probably the easiest way to get it now:
author Jesse Barnes <email address hidden> 0b72c57f4458675 4ea9e8f3e2
commit dff33cfcefa31c3
drm/i915: FIFO watermark calculation fixes