From baebd6f43ddada8968f640cabdcbd289a3561b3a Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Date: Fri, 9 Feb 2024 16:22:36 +0100
Subject: [PATCH] etnaviv/nn: Ensure tile_y is > 0

A zero tile dimension doesn't make sense.

Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28879>
---
 src/gallium/drivers/etnaviv/etnaviv_ml_nn.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/etnaviv/etnaviv_ml_nn.c b/src/gallium/drivers/etnaviv/etnaviv_ml_nn.c
index 4fe23d505a2..6eda18c86ca 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_ml_nn.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_ml_nn.c
@@ -625,6 +625,7 @@ calculate_tiling(struct etna_context *ctx, const struct etna_operation *operatio
    if (operation->stride > 1 && tile_height % 2 > 0)
       tile_height -= 1;
 
+   tile_height = MAX2(tile_height, 1);
    superblocks = calc_superblocks(ctx, operation, tile_height, interleave_mode);
 
    if (tile_width_out)