[Intel-gfx] [PATCH 1/2] drm/i915: fix panel unlock register mask

[Jani Nikula]

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 at intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0b327ebb2d9e..fe1d00dc9ef5 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1208,7 +1208,7 @@ 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)
-- 
1.9.1