Commit 4afa0ace authored Oct 11, 2012 by Daniel Vetter

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>

parent fa555837

drivers/gpu/drm/i915/dvo_ch7xxx.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -303,10 +303,10 @@ static bool ch7xxx_get_hw_state(struct intel_dvo_device *dvo)

		ch7xxx_readb(dvo, CH7xxx_PM, &val);

		if (val & CH7xxx_PM_FPD)
		return false;
		else
		if (val & (CH7xxx_PM_DVIL \| CH7xxx_PM_DVIP))
		return true;
		else
		return false;
		}

		static void ch7xxx_dump_regs(struct intel_dvo_device *dvo)