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authorRob Clark <robdclark@chromium.org>2022-02-19 09:03:01 -0800
committerGerd Hoffmann <kraxel@redhat.com>2022-03-25 12:28:27 +0100
commitec3cbb30893be248d180dd748ee9148d408a99d1 (patch)
tree4c6658c495ec8e108dcc743f1bc31c7d67ba3e27 /drivers/gpu/drm/virtio/virtgpu_ioctl.c
parent194d250cdc4a40ccbd179afd522a9e9846957402 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_ioctl.c')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_ioctl.c3
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) {