From: Imre Deak Date: Mon, 18 Aug 2014 11:42:46 +0000 (+0300) Subject: drm/i915: don't try to retrain a DP link on an inactive CRTC X-Git-Tag: omap-for-v3.17/fixes-against-rc2~20^2~2^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a125d8a2c22b11741fc47d4ffcf7a5ffa044dd3;p=pandora-kernel.git drm/i915: don't try to retrain a DP link on an inactive CRTC Atm we may retrain the DP link even if the CRTC is inactive through HPD work->intel_dp_check_link_status(). This in turn can lock up the PHY (at least on BYT), since the DP port is disabled. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=81948 Signed-off-by: Imre Deak Reviewed-by: Ville Syrjälä Cc: stable@vger.kernel.org (3.16+) Signed-off-by: Jani Nikula --- Reading git-diff-tree failed