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path: root/drivers/gpu/drm/virtio/virtgpu_plane.c
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Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_plane.c')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_plane.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
index 4e1b17548007..dd7a1f2db9ad 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -206,8 +206,8 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
virtio_gpu_notify(vgdev);
}
-static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane,
- struct drm_plane_state *new_state)
+static int virtio_gpu_plane_prepare_fb(struct drm_plane *plane,
+ struct drm_plane_state *new_state)
{
struct drm_device *dev = plane->dev;
struct virtio_gpu_device *vgdev = dev->dev_private;
@@ -219,7 +219,10 @@ static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane,
vgfb = to_virtio_gpu_framebuffer(new_state->fb);
bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]);
- if (bo && bo->dumb && (plane->state->fb != new_state->fb)) {
+ if (!bo || (plane->type == DRM_PLANE_TYPE_PRIMARY && !bo->guest_blob))
+ return 0;
+
+ if (bo->dumb && (plane->state->fb != new_state->fb)) {
vgfb->fence = virtio_gpu_fence_alloc(vgdev);
if (!vgfb->fence)
return -ENOMEM;
@@ -228,8 +231,8 @@ static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane,
return 0;
}
-static void virtio_gpu_cursor_cleanup_fb(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+static void virtio_gpu_plane_cleanup_fb(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
{
struct virtio_gpu_framebuffer *vgfb;
@@ -321,13 +324,15 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
}
static const struct drm_plane_helper_funcs virtio_gpu_primary_helper_funcs = {
+ .prepare_fb = virtio_gpu_plane_prepare_fb,
+ .cleanup_fb = virtio_gpu_plane_cleanup_fb,
.atomic_check = virtio_gpu_plane_atomic_check,
.atomic_update = virtio_gpu_primary_plane_update,
};
static const struct drm_plane_helper_funcs virtio_gpu_cursor_helper_funcs = {
- .prepare_fb = virtio_gpu_cursor_prepare_fb,
- .cleanup_fb = virtio_gpu_cursor_cleanup_fb,
+ .prepare_fb = virtio_gpu_plane_prepare_fb,
+ .cleanup_fb = virtio_gpu_plane_cleanup_fb,
.atomic_check = virtio_gpu_plane_atomic_check,
.atomic_update = virtio_gpu_cursor_plane_update,
};