From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sun, 22 Feb 2015 11:24:20 +0000 (+0100)
Subject: drm/atomic-helpers: make mode_set hooks optional
X-Git-Tag: omap-for-v4.2/o2_dc~72^2~39^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c982bd90f58681d00363538167477e60e2c8f731;p=pandora-kernel.git

drm/atomic-helpers: make mode_set hooks optional

With runtime PM the hw might still be off while doing the ->mode_set
callbacks - runtime PM get/put should only happen in the
enable/disable hooks to properly support DPMS. Which essentially makes
these callbacks useless for drivers support runtime PM, so make them
optional. Again motivated by discussions with Laurent.

Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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