Created attachment 92115 [details] [review] [PATCH rebased] drm/radeon: add query to fetch the max engine clock. (In reply to comment #2) > Here's the kernel patch: > http://people.freedesktop.org/~agd5f/0001-drm-radeon-add-query-to-fetch-the- > max-engine-clock.patch This patch doesn't apply to latest git tree. I've rebased it.