drm/i915/dvo-ch7xxx: fix get_hw_state
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 11 Oct 2012 16:43:52 +0000 (18:43 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 12 Oct 2012 08:59:11 +0000 (10:59 +0200)
commit4afa0ace429624fde392b29d05a803672a41192e
tree97c09c51159e1bea8992d446499c921ddf1aba3f
parentfa55583797d12b10928a1813f3dcf066637caf5e
drm/i915/dvo-ch7xxx: fix get_hw_state

The boot-up state seems to be all-zeros, so it's safer to check for
the bits that need to be set when the dvo encoder is in the dpms on
state, than checking the bits we set when it's in the off state.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=55047
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/dvo_ch7xxx.c