clear-pkgs-linux-iot-lts2018/0567-drm-i915-gvt-some-changes-to-support-xengt-acrngt.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Min He <min.he@intel.com>
Date: Fri, 14 Sep 2018 16:10:16 +0800
Subject: [PATCH] drm/i915/gvt: some changes to support xengt/acrngt

Set guest ppgtt entry in ppgtt_handle_guest_write_page_table_bytes()

Change-Id: Ic6e46561f58eec1a17fb8d5bd9c5dd76d32b5350
Signed-off-by: Min He <min.he@intel.com>
Reviewed-on:
Reviewed-by: Jiang, Fei <fei.jiang@intel.com>
Reviewed-by: Dong, Eddie <eddie.dong@intel.com>
Tested-by: Dong, Eddie <eddie.dong@intel.com>
---
 drivers/gpu/drm/i915/gvt/gtt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 40b32b4d1d98..2383d9d627fb 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1688,6 +1688,8 @@ static int ppgtt_handle_guest_write_page_table_bytes(
 
 	index = (pa & (PAGE_SIZE - 1)) >> info->gtt_entry_size_shift;
 
+	/* Set guest ppgtt entry. Optional for KVMGT, but MUST for XENGT. */
+	intel_gvt_hypervisor_write_gpa(vgpu, pa, p_data, bytes);
 	ppgtt_get_guest_entry(spt, &we, index);
 
 	/*
-- 
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