[patch v2] drm/i915: fix a limit check in hsw_compute_wm_results()

[Dan Carpenter <dan.carpenter@oracle.com>]

The '!' here was not intended.  Since '!' has higher precedence than
compare, it means the check is never true.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
v2: My first patch was wrong.

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 96234c6..0f5eb21 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2685,7 +2685,7 @@ static void hsw_compute_wm_results(struct drm_device *dev,
 	 * a WM level. */
 	results->enable_fbc_wm = true;
 	for (level = 1; level <= max_level; level++) {
-		if (!lp_results[level - 1].fbc_val > lp_maximums->fbc) {
+		if (lp_results[level - 1].fbc_val > lp_maximums->fbc) {
 			results->enable_fbc_wm = false;
 			lp_results[level - 1].fbc_val = 0;
 		}