From 84c4987eae9f8686e6d92e38ee18744d69576f2d Mon Sep 17 00:00:00 2001
From: Subrata Banik <subrata.banik@intel.com>
Date: Sat, 2 Sep 2017 12:52:12 +0530
Subject: [PATCH] soc/intel/cannonlake: Set IGD stolen memory size to 64MB
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This patch overrides default FSP IGD stolen memory size
UPD value.

TEST=Ensures FSP-M UPD “IgdDvmt50PreAlloc” value is 0x2 (64MB)

Change-Id: I63d992e139810ad203137b34c98d1a463f88b92d
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/21341
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
---
 src/soc/intel/cannonlake/romstage/romstage.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/soc/intel/cannonlake/romstage/romstage.c b/src/soc/intel/cannonlake/romstage/romstage.c
index 483f44b9d0..a9ad1d804e 100644
--- a/src/soc/intel/cannonlake/romstage/romstage.c
+++ b/src/soc/intel/cannonlake/romstage/romstage.c
@@ -71,6 +71,8 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, const config_t *config)
 	unsigned int i;
 	uint32_t mask = 0;
 
+	/* Set IGD stolen size to 64MB. */
+	m_cfg->IgdDvmt50PreAlloc = 2;
 	m_cfg->TsegSize = CONFIG_SMM_TSEG_SIZE;
 	m_cfg->IedSize = CONFIG_IED_REGION_SIZE;
 	m_cfg->SaGv = config->SaGv;