2020-08-18 09:21:31

by Gerd Hoffmann

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Subject: [PATCH v2 2/2] drm/virtio: set max_segment

When initializing call virtio_max_dma_size() to figure the scatter list
limit. Needed to make virtio-gpu work properly with SEV.

v2: place max_segment in drm driver not gem object.

Signed-off-by: Gerd Hoffmann <[email protected]>
---
drivers/gpu/drm/virtio/virtgpu_kms.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
index bf060c69850f..5a4364c00fae 100644
--- a/drivers/gpu/drm/virtio/virtgpu_kms.c
+++ b/drivers/gpu/drm/virtio/virtgpu_kms.c
@@ -114,6 +114,7 @@ int virtio_gpu_init(struct drm_device *dev)

vgdev->ddev = dev;
dev->dev_private = vgdev;
+ dev->max_segment = virtio_max_dma_size(vgdev->vdev);
vgdev->vdev = dev_to_virtio(dev->dev);
vgdev->dev = dev->dev;

--
2.18.4