disp: msm: dsi: change allocation to kvzalloc

Alter allocation method from kzalloc to kvzalloc since virtually
contiguous allocation should suffice requirement. This will avoid
unnecessary invocation of OOO handlers.

Change-Id: I8291ddae08f6427478cdd9b88d6148e02d7ab002
Signed-off-by: Shashank Babu Chinta Venkata <sbchin@codeaurora.org>

msm/dsi/dsi_display.c

@@ -7204,7 +7204,8 @@ int dsi_display_find_mode(struct dsi_display *display,
 			return rc;
 	}
 
-	priv_info = kzalloc(sizeof(struct dsi_display_mode_priv_info), GFP_KERNEL);
+	priv_info = kvzalloc(sizeof(struct dsi_display_mode_priv_info),
+			GFP_KERNEL);
 	if (ZERO_OR_NULL_PTR(priv_info))
 		return -ENOMEM;
 
@@ -7239,7 +7240,7 @@ int dsi_display_find_mode(struct dsi_display *display,
 	cmp->priv_info = NULL;
 
 	mutex_unlock(&display->display_lock);
-	kfree(priv_info);
+	kvfree(priv_info);
 
 	if (!*out_mode) {
 		DSI_ERR("[%s] failed to find mode for v_active %u h_active %u fps %u pclk %u\n",