From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Fri, 14 Feb 2014 07:37:09 +0000 (+0200)
Subject: OMAPDSS: use DISPC register to detect context loss
X-Git-Tag: v3.15-rc1~63^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9229b5165bf0c49a7576dababa116f1634988e77;p=pandora-kernel.git

OMAPDSS: use DISPC register to detect context loss

Instead of relying on the OMAP specific
omap_pm_get_dev_context_loss_count() to detect register context loss, we
can achieve the same in a much simpler way by just observing the DISPC
registers.

We always set DISPC's load mode to LOAD_FRAME_ONLY, which is not the
reset value. Thus we can just observe the load mode to see if we have
lost register context.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>
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