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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-10-11 18:43:52 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-10-12 10:59:11 +0200
commit4afa0ace429624fde392b29d05a803672a41192e (patch)
tree97c09c51159e1bea8992d446499c921ddf1aba3f /drivers/gpu/drm/i915/dvo_ch7xxx.c
parentfa55583797d12b10928a1813f3dcf066637caf5e (diff)
downloadop-kernel-dev-4afa0ace429624fde392b29d05a803672a41192e.zip
op-kernel-dev-4afa0ace429624fde392b29d05a803672a41192e.tar.gz
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>
Diffstat (limited to 'drivers/gpu/drm/i915/dvo_ch7xxx.c')
-rw-r--r--drivers/gpu/drm/i915/dvo_ch7xxx.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/dvo_ch7xxx.c b/drivers/gpu/drm/i915/dvo_ch7xxx.c
index 38f3a6c..3edd981 100644
--- a/drivers/gpu/drm/i915/dvo_ch7xxx.c
+++ b/drivers/gpu/drm/i915/dvo_ch7xxx.c
@@ -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)
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