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drm/virtio: Set segment size for virtio_gpu device

Sebastian Ott requested to merge seott1/centos-stream-9:RHEL-22710 into main

JIRA: https://issues.redhat.com/browse/RHEL-22710

Set the segment size of the virtio_gpu device to the value used by the drm helpers when allocating sg lists to fix the following complaint from DMA_API debug code:

DMA-API: virtio-pci 0000:07:00.0: mapping sg segment longer than device claims to support [len=262144] [max=65536]

Cc: stable@vger.kernel.org
Tested-by: Zhenyu Zhang zhenyzha@redhat.com
Acked-by: Vivek Kasireddy vivek.kasireddy@intel.com
Signed-off-by: Sebastian Ott sebott@redhat.com
Signed-off-by: Dmitry Osipenko dmitry.osipenko@collabora.com
Link: https://patchwork.freedesktop.org/patch/msgid/7258a4cc-da16-5c34-a042-2a23ee396d56@redhat.com
(cherry picked from commit 9c64e749cebd9c2d3d55261530a98bcccb83b950)
Signed-off-by: Sebastian Ott sebott@redhat.com

Edited by Sebastian Ott

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