From 6f3ef5ddabc0ad321678ee091c75b1f082a42707 Mon Sep 17 00:00:00 2001
From: Imre Deak <imre.deak@intel.com>
Date: Mon, 25 Nov 2013 17:15:30 +0200
Subject: [PATCH] drm/i915: add always-on power wells instead of special casing
 them

Instead of using a separate function to check whether a power domain is
is always on, add an always-on power well covering all these power
domains and do the usual get/put on these unconditionally. Since we
don't assign a .set handler for these the get/put won't have any effect
besides the adjusted refcount.

This makes the code more readable and provides debug info also on the
use of always-on power wells (once the relevant debugfs entry is added.)

v3: make is_always_on to be bool instead of a bit field (Paulo)

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Paulo Zanoni <paulo.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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