msm: kgsl: Update register protection config

Update the register protection configuration as per the latest
recommendation.

Change-Id: I70365268e8e4c7ee4ff28538f22e970822e4edf0
Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org>
Signed-off-by: Pranav Patel <quic_pranavp@quicinc.com>
diff --git a/drivers/gpu/msm/adreno_a6xx.c b/drivers/gpu/msm/adreno_a6xx.c
index 754e419..5a3a26d 100644
--- a/drivers/gpu/msm/adreno_a6xx.c
+++ b/drivers/gpu/msm/adreno_a6xx.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2017-2018,2020 The Linux Foundation. All rights reserved.
+/* Copyright (c) 2017-2018,2020-2021, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -277,6 +277,7 @@
 	{ 0x8D0, 0x23, 0 },
 	{ 0x980, 0x4, 0 },
 	{ 0xA630, 0x0, 1 },
+	{ 0x1b400, 0x1fff, 1 },
 };
 
 /* IFPC & Preemption static powerup restore list */