drm/virtio: notify before waiting
authorGerd Hoffmann <kraxel@redhat.com>
Fri, 14 Feb 2020 12:55:31 +0000 (13:55 +0100)
committerGerd Hoffmann <kraxel@redhat.com>
Mon, 17 Feb 2020 13:50:49 +0000 (14:50 +0100)
commitfcdd19b85c7bb800ec23c9dff15092a7004cfd3f
tree70aa67a35d3cc044128c602ddb1a5713073dae5f
parentcca41da1001157c95c7bc4d5cc9488232ef686d9
drm/virtio: notify before waiting

Before we are going to wait for virtqueue entries becoming available
call virtio_gpu_notify() to make sure the host has seen everything
we've submitted.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20200214125535.26349-3-kraxel@redhat.com
drivers/gpu/drm/virtio/virtgpu_vq.c