diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 183eb82e9beb580742badd6f14c3976135360d0f..a003bc572a00d07234218438f50c0d1a55f40918 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10663,7 +10663,7 @@ void i915_redisable_vga(struct drm_device *dev)
 	    (I915_READ(HSW_PWR_WELL_DRIVER) & HSW_PWR_WELL_STATE_ENABLED) == 0)
 		return;
 
-	if (I915_READ(vga_reg) != VGA_DISP_DISABLE) {
+	if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) {
 		DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n");
 		i915_disable_vga(dev);
 		i915_disable_vga_mem(dev);