drm/virtio: simplify cursor updates (620f9c5e) · Commits · 戴 / test

No need to do the reservation dance, we can just wait on the fence directly. Signed-off-by:

drivers/gpu/drm/virtio/virtgpu_plane.c

+3 −10

Original line number	Diff line number	Diff line
		@@ -201,7 +201,6 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
		struct virtio_gpu_framebuffer *vgfb;
		struct virtio_gpu_object *bo = NULL;
		uint32_t handle;
		int ret = 0;

		if (plane->state->crtc)
		output = drm_crtc_to_virtio_gpu_output(plane->state->crtc);
		@@ -225,15 +224,9 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
		cpu_to_le32(plane->state->crtc_w),
		cpu_to_le32(plane->state->crtc_h),
		0, 0, vgfb->fence);
		ret = virtio_gpu_object_reserve(bo, false);
		if (!ret) {
		dma_resv_add_excl_fence(bo->tbo.base.resv,
		&vgfb->fence->f);
		dma_fence_wait(&vgfb->fence->f, true);
		dma_fence_put(&vgfb->fence->f);
		vgfb->fence = NULL;
		virtio_gpu_object_unreserve(bo);
		virtio_gpu_object_wait(bo, false);
		}
		}

		if (plane->state->fb != old_state->fb) {