From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date: Mon, 15 Jun 2015 10:33:52 +0000 (+0200)
Subject: drm/i915: atomic plane updates in a nutshell
X-Git-Tag: omap-for-v4.3/fixes-rc1~89^2~36^2~254
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a539205a1628e76cbaae35c8ba64d503c6aa619b;p=pandora-kernel.git

drm/i915: atomic plane updates in a nutshell

Now that all planes are added during a modeset we can use the
calculated changes before disabling a plane, and then either commit
or force disable a plane before disabling the crtc.

The code is shared with atomic_begin/flush, except watermark updating
and vblank evasion are not used.

This is needed for proper atomic suspend/resume support.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90868
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Tested-by(IVB): Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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