tree 71d44f6a2077f234a3384108c30244347d2ce1c9
parent 76e4e4b532bc9f289039c569063ec4b2e0ef2cc4
author Chris Wilson <chris@chris-wilson.co.uk> 1487584029 +0000
committer Chris Wilson <chris@chris-wilson.co.uk> 1487594448 +0000

drm/i915: Remove unrequired POSTING_READ from gen6_set_rps()

The uncached mmio is sufficient to queue the mmio writes without raising
forcewake. The forced flush along with acquiring forcewake from the
posting read is not required for adjusting the RPS frequency.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170220094713.22874-3-chris@chris-wilson.co.uk
Reviewed-by: Radoslaw Szwichtenberg <radoslaw.szwichtenberg@intel.com>