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

Yan Zhao yan.y.zhao at intel.com
Tue Feb 19 07:46:23 UTC 2019


From: Yulei Zhang <yulei.zhang at intel.com>

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

Signed-off-by: Yulei Zhang <yulei.zhang at intel.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



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