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authorGerd Hoffmann <kraxel@redhat.com>2018-12-19 13:27:00 +0100
committerGerd Hoffmann <kraxel@redhat.com>2019-01-08 12:00:00 +0100
commit6a01d277ac611663e8e810177b50d16aa6c2a915 (patch)
treecd3466e7a635f843ba6f5e4facf8fba3aec9a9c1 /drivers/gpu/drm/virtio
parent3630c2a24f75e3ac58366bc4745c2c63391bb4f7 (diff)
drm/virtio: fix pageflip flush
Sending the flush command only makes sense if we actually have a framebuffer attached to the scanout (handle != 0). Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com> Link: http://patchwork.freedesktop.org/patch/msgid/20181219122708.4586-3-kraxel@redhat.com
Diffstat (limited to 'drivers/gpu/drm/virtio')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_plane.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
index ead5c53d4e21..548265b8e82d 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -130,11 +130,12 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
plane->state->src_h >> 16,
plane->state->src_x >> 16,
plane->state->src_y >> 16);
- virtio_gpu_cmd_resource_flush(vgdev, handle,
- plane->state->src_x >> 16,
- plane->state->src_y >> 16,
- plane->state->src_w >> 16,
- plane->state->src_h >> 16);
+ if (handle)
+ virtio_gpu_cmd_resource_flush(vgdev, handle,
+ plane->state->src_x >> 16,
+ plane->state->src_y >> 16,
+ plane->state->src_w >> 16,
+ plane->state->src_h >> 16);
}
static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane,