https://bugs.freedesktop.org/show_bug.cgi?id=73511
--- Comment #4 from Igor Gnatenko i.gnatenko.brain@gmail.com --- Created attachment 92115 --> https://bugs.freedesktop.org/attachment.cgi?id=92115&action=edit [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.