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drm/i915: fix panel unlock register mask 

Use the correct mask for the unlock bits. In theory this could have lead
to incorrect asserts but this is unlikely in practise.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula 2014-08-21 15:06:25 +03:00 committed by Daniel Vetter
parent ecdb5fd861
commit ec49ba2d70
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_display.c
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@ -1210,7 +1210,7 @@ static void assert_panel_unlocked(struct drm_i915_private *dev_priv,
val = I915_READ(pp_reg);
if (!(val & PANEL_POWER_ON) ||
((val & PANEL_UNLOCK_REGS) == PANEL_UNLOCK_REGS))
((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS))
locked = false;
if (I915_READ(lvds_reg) & LVDS_PIPEB_SELECT)