In portage since 29 Oct 2011, no open bugs about regressions. Please consider stabilizing.
Thanks for the report.
x11 packages usually go stable in batches, we'd face disgruntled arch teams with torches and pitchforks if we opened a report for each individual package.
Stabilization of libdrm and other x11 packages will be handled in bug 394393.
*** This bug has been marked as a duplicate of bug 394393 ***