git.baikalelectronics.ru Git - kernel.git/commit

author	Imre Deak <imre.deak@intel.com>
	Fri, 1 Apr 2016 13:02:44 +0000 (16:02 +0300)
committer	Imre Deak <imre.deak@intel.com>
	Fri, 15 Apr 2016 11:48:18 +0000 (14:48 +0300)
commit	772babbef159c7577dfdef48c36d4b201ce68888
tree	c8d50dfa592eb31e75435b18763f0089dfdcedb1	tree \| snapshot
parent	f613c3503ae9256f9d1a0cf562237392a8bcff0a	commit \| diff

drm/i915/bxt: Don't reprogram an already enabled DDI PHY

If BIOS has already programmed and enabled a PHY, don't reprogram it as
that may interfere with the currently active outputs. A follow-up patch
will add state verification, so we can catch any misconfiguration on
BIOS's behalf.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459515767-29228-14-git-send-email-imre.deak@intel.com