diff --git a/src/asahi/lib/agx_device.h b/src/asahi/lib/agx_device.h
index 5465f48ef73..dc11926c110 100644
--- a/src/asahi/lib/agx_device.h
+++ b/src/asahi/lib/agx_device.h
@@ -27,6 +27,7 @@ enum agx_dbg {
    AGX_DBG_BATCH = BITFIELD_BIT(11),
    AGX_DBG_NOWC = BITFIELD_BIT(12),
    AGX_DBG_SYNCTVB = BITFIELD_BIT(13),
+   AGX_DBG_SMALLTILE = BITFIELD_BIT(14),
 };
 
 /* Dummy partial declarations, pending real UAPI */
diff --git a/src/gallium/drivers/asahi/agx_pipe.c b/src/gallium/drivers/asahi/agx_pipe.c
index eceaf893a23..80c0fbe40c6 100644
--- a/src/gallium/drivers/asahi/agx_pipe.c
+++ b/src/gallium/drivers/asahi/agx_pipe.c
@@ -65,6 +65,7 @@ static const struct debug_named_value agx_debug_options[] = {
    {"batch",     AGX_DBG_BATCH,    "Log batches"},
    {"nowc",      AGX_DBG_NOWC,     "Disable write-combining"},
    {"synctvb",   AGX_DBG_SYNCTVB,  "Synchronous TVB growth"},
+   {"smalltile", AGX_DBG_SMALLTILE,"Force 16x16 tiles"},
    DEBUG_NAMED_VALUE_END
 };
 /* clang-format on */
diff --git a/src/gallium/drivers/asahi/agx_state.c b/src/gallium/drivers/asahi/agx_state.c
index 0e147699928..fe8e075799c 100644
--- a/src/gallium/drivers/asahi/agx_state.c
+++ b/src/gallium/drivers/asahi/agx_state.c
@@ -1422,6 +1422,9 @@ agx_compile_variant(struct agx_device *dev, struct agx_uncompiled_shader *so,
       struct agx_tilebuffer_layout tib = agx_build_tilebuffer_layout(
          key->rt_formats, key->nr_cbufs, key->nr_samples);
 
+      if (dev->debug & AGX_DBG_SMALLTILE)
+         tib.tile_size = (struct agx_tile_size){16, 16};
+
       nir_lower_blend_options opts = {
          .scalar_blend_const = true,
          .logicop_enable = key->blend.logicop_enable,
@@ -2250,6 +2253,9 @@ agx_batch_init_state(struct agx_batch *batch)
       formats, batch->key.nr_cbufs,
       util_framebuffer_get_num_samples(&batch->key));
 
+   if (agx_device(batch->ctx->base.screen)->debug & AGX_DBG_SMALLTILE)
+      batch->tilebuffer_layout.tile_size = (struct agx_tile_size){16, 16};
+
    if (batch->key.zsbuf) {
       struct agx_resource *rsrc = agx_resource(batch->key.zsbuf->texture);
       agx_batch_writes(batch, rsrc);