panfrost: Assert on indirect compute shaders

This case was overlooked. Much simpler than indirect graphics calls, can
come as a follow on to the other indirect work.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8774>

src/gallium/drivers/panfrost/pan_compute.c

@@ -101,6 +101,9 @@ panfrost_launch_grid(struct pipe_context *pipe,
         struct panfrost_device *dev = pan_device(pipe->screen);
         struct panfrost_batch *batch = panfrost_get_batch_for_fbo(ctx);
 
+        /* TODO: Indirect compute dispatch */
+        assert(!info->indirect);
+
         ctx->compute_grid = info;
 
         struct panfrost_ptr t =