Return early for the no framebuffer (or disabled output) case. Results in a simpler code flow for the remaining cases. No functional change.
Signed-off-by: Gerd Hoffmann kraxel@redhat.com --- drivers/gpu/drm/virtio/virtgpu_plane.c | 62 ++++++++++++++------------ 1 file changed, 33 insertions(+), 29 deletions(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c index 390524143139..0b5a760bc293 100644 --- a/drivers/gpu/drm/virtio/virtgpu_plane.c +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c @@ -110,7 +110,6 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, struct virtio_gpu_output *output = NULL; struct virtio_gpu_framebuffer *vgfb; struct virtio_gpu_object *bo; - uint32_t handle;
if (plane->state->crtc) output = drm_crtc_to_virtio_gpu_output(plane->state->crtc); @@ -119,47 +118,52 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, if (WARN_ON(!output)) return;
- if (plane->state->fb && output->enabled) { - vgfb = to_virtio_gpu_framebuffer(plane->state->fb); - bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]); - handle = bo->hw_res_handle; - if (bo->dumb) { - struct virtio_gpu_object_array *objs; + if (!plane->state->fb || !output->enabled) { + DRM_DEBUG("nofb\n"); + virtio_gpu_cmd_set_scanout(vgdev, output->index, 0, + plane->state->src_w >> 16, + plane->state->src_h >> 16, + 0, 0); + return; + } + + vgfb = to_virtio_gpu_framebuffer(plane->state->fb); + bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]); + if (bo->dumb) { + struct virtio_gpu_object_array *objs;
- objs = virtio_gpu_array_alloc(1); - if (!objs) - return; - virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]); - virtio_gpu_cmd_transfer_to_host_2d - (vgdev, 0, - plane->state->src_w >> 16, - plane->state->src_h >> 16, - plane->state->src_x >> 16, - plane->state->src_y >> 16, - objs, NULL); - } - } else { - handle = 0; + objs = virtio_gpu_array_alloc(1); + if (!objs) + return; + virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]); + virtio_gpu_cmd_transfer_to_host_2d + (vgdev, 0, + plane->state->src_w >> 16, + plane->state->src_h >> 16, + plane->state->src_x >> 16, + plane->state->src_y >> 16, + objs, NULL); }
- DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n", handle, + DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n", + bo->hw_res_handle, plane->state->crtc_w, plane->state->crtc_h, plane->state->crtc_x, plane->state->crtc_y, plane->state->src_w >> 16, plane->state->src_h >> 16, plane->state->src_x >> 16, plane->state->src_y >> 16); - virtio_gpu_cmd_set_scanout(vgdev, output->index, handle, + virtio_gpu_cmd_set_scanout(vgdev, output->index, + bo->hw_res_handle, plane->state->src_w >> 16, plane->state->src_h >> 16, plane->state->src_x >> 16, plane->state->src_y >> 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); + virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_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,