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 <[email protected]> Reviewed-by: Paulo Zanoni <[email protected]> Reviewed-by: Ville Syrjälä <[email protected]> Signed-off-by: Daniel Vetter <[email protected]>
marineam · Sep 3, 2014 · ec49ba2 · ec49ba2
1 parent ecdb5fd
commit ec49ba2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
@@ -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)