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(parent: 5040c31) | patch
drm/i915: Remove unrequired POSTING_READ from gen6_set_rps()
authorChris Wilson <chris@chris-wilson.co.uk>
Mon, 20 Feb 2017 09:47:09 +0000 (09:47 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 20 Feb 2017 12:40:48 +0000 (12:40 +0000)
commitb5109f9e274ab8939e887c450235a2f15c3169b1
tree71d44f6a2077f234a3384108c30244347d2ce1c9tree | snapshot
parent5040c31c06b0a2e1932b6fcfe279e776b484a1f5commit | diff
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>
drivers/gpu/drm/i915/intel_pm.c diff | blob | history
Linux Kernel Source Tree.