From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 2 Oct 2014 03:22:27 +0000 (+1000)
Subject: drm/nouveau: make sure display hardware is reinitialised on runtime resume
X-Git-Tag: fixes-for-v3.18-merge-window~46^2~1^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6fbb702e27d78ad2458df048b58cca3454bc0965;p=pandora-kernel.git

drm/nouveau: make sure display hardware is reinitialised on runtime resume

Linus commit 05c63c2ff23a80b654d6c088ac3ba21628db0173 modified the
runtime suspend/resume paths to skip over display-related tasks to
avoid locking issues on resume.

Unfortunately, this resulted in the display hardware being left in
a partially initialised state, preventing subsequent modesets from
completing.

This commit unifies the (many) suspend/resume paths, bringing back
display (and fbcon) handling in the runtime paths.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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