From: Daniel Stone <daniels@collabora.com>
Date: Mon, 25 May 2015 18:11:51 +0000 (+0100)
Subject: drm/atomic: Add current-mode blob to CRTC state
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~46^2~41^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=99cf4a29fa24461bbfe22125967188a18383eb5c;p=pandora-kernel.git

drm/atomic: Add current-mode blob to CRTC state

Add a blob property tracking the current mode to the CRTC state, and
ensure it is properly updated and referenced.

v2: Continue using crtc_state->mode inside getcrtc, instead of reading
    out the mode blob. Use IS_ERR and PTR_ERR from create_blob. Move
    set_mode_prop_for_crtc to later patch where it actually gets used.
    Enforce !!state->enable == !!state->mode_blob inside
    drm_atomic_crtc_check.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Tested-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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