diff options
| author | Rob Clark <robdclark@chromium.org> | 2022-02-19 20:03:01 +0300 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2022-03-25 14:28:27 +0300 |
| commit | ec3cbb30893be248d180dd748ee9148d408a99d1 (patch) | |
| tree | 4c6658c495ec8e108dcc743f1bc31c7d67ba3e27 | |
| parent | 194d250cdc4a40ccbd179afd522a9e9846957402 (diff) | |
| download | linux-ec3cbb30893be248d180dd748ee9148d408a99d1.tar.xz | |
drm/virtio: Remove restriction of non-zero blob_flags
With native userspace drivers in guest, a lot of GEM objects need to be
neither shared nor mappable. And in fact making everything mappable
and/or sharable results in unreasonably high fd usage in host VMM.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20220219170301.545432-1-robdclark@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_ioctl.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index c708bab555c6..77743fd2c61a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -609,8 +609,7 @@ static int verify_blob(struct virtio_gpu_device *vgdev, if (!vgdev->has_resource_blob) return -EINVAL; - if ((rc_blob->blob_flags & ~VIRTGPU_BLOB_FLAG_USE_MASK) || - !rc_blob->blob_flags) + if (rc_blob->blob_flags & ~VIRTGPU_BLOB_FLAG_USE_MASK) return -EINVAL; if (rc_blob->blob_flags & VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE) { |