From 336031ea1cdb056eb2f7bd21fce46dda52fc0412 Mon Sep 17 00:00:00 2001
From: "Kumar, Mahesh" <mahesh1.kumar@intel.com>
Date: Wed, 17 May 2017 17:28:25 +0530
Subject: [PATCH] drm/i915/skl+: no need to memset again
Git-commit: 336031ea1cdb056eb2f7bd21fce46dda52fc0412
Patch-mainline: v4.13-rc1
References: FATE#322643 bsc#1055900

We are already doing memset of ddb structure at the begining of skl_allocate_pipe_ddb
function, No need to again do a memset.

Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170517115831.13830-7-mahesh1.kumar@intel.com
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/i915/intel_pm.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4082,10 +4082,8 @@ skl_allocate_pipe_ddb(struct intel_crtc_
 
 	skl_ddb_get_pipe_allocation_limits(dev, cstate, alloc, &num_active);
 	alloc_size = skl_ddb_entry_size(alloc);
-	if (alloc_size == 0) {
-		memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe]));
+	if (alloc_size == 0)
 		return 0;
-	}
 
 	skl_ddb_calc_min(cstate, num_active, minimum, y_minimum);