linux-kernel - [PATCH 6/8] drm/i915/gvt: Apply g2h adjustment to buffer start gma for dmabuf

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Message-Id: <20190219074623.14305-1-yan.y.zhao@intel.com>
Date:   Tue, 19 Feb 2019 02:46:23 -0500
From:   Yan Zhao <yan.y.zhao@...el.com>
To:     intel-gvt-dev@...ts.freedesktop.org, alex.williamson@...hat.com
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yulei Zhang <yulei.zhang@...el.com>
Subject: [PATCH 6/8] drm/i915/gvt: Apply g2h adjustment to buffer start gma for dmabuf

From: Yulei Zhang <yulei.zhang@...el.com>

Adjust the buffer start gma in dmabuf for display in host domain.

Signed-off-by: Yulei Zhang <yulei.zhang@...el.com>
---
 drivers/gpu/drm/i915/gvt/dmabuf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gvt/dmabuf.c b/drivers/gpu/drm/i915/gvt/dmabuf.c
index 51ed99a37803..e96c655c40bc 100644
--- a/drivers/gpu/drm/i915/gvt/dmabuf.c
+++ b/drivers/gpu/drm/i915/gvt/dmabuf.c
@@ -293,6 +293,9 @@ static int vgpu_get_plane_info(struct drm_device *dev,
 		return -EFAULT;
 	}
 
+	/* Apply g2h adjust to buffer start gma for display */
+	intel_gvt_ggtt_gmadr_g2h(vgpu, info->start, &info->start);
+
 	return 0;
 }
 
-- 
2.17.1