From: Inki Dae <inki.dae@samsung.com>
Date: Thu, 18 Oct 2012 09:59:55 +0000 (+0900)
Subject: drm/exynos: fix display on issue
X-Git-Tag: v3.7-rc4~4^2~1^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=44c91697fb1add76f9f8c28c0d21b82b05b5d4cb;p=pandora-kernel.git

drm/exynos: fix display on issue

When crtc_funcs->dpms callback is called, exynos_crtc->dpms
and exynos_encoder->dpms are changed to new mode. But if user
requests dpms mode operation, OFF -> ON, when crtc's dpms callback
is called, exynos_encoder->dpms is also changed to ON. This
makes encoder's dpms callback call be ignored so display power
couldn't become on again.

This patch removes exynos_encoder->dpms changing and adds 'updated'
variable to exynos_drm_encoder structure to avoid duplicated overlay
updating.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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