From f4ab408c4b55fcbc447cf0288456613bad824626 Mon Sep 17 00:00:00 2001
From: Tom O'Rourke <Tom.O'Rourke@intel.com>
Date: Wed, 19 Nov 2014 14:21:53 -0800
Subject: [PATCH] drm/i915: Keep min freq above floor on HSW/BDW

Set the min_freq_softlimit to max(RPe, 450MHz).

Setting a floor can ensure a minimum experience
level.  The 450MHz value came from a power and
performance study of various types of workloads
(3D, Media, GPGPU, idle, etc).

v2: rebased

Signed-off-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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