From 1323939f6314fdeecf5be5ba3f5680380cd5783e Mon Sep 17 00:00:00 2001
From: Danylo Piliaiev <dpiliaiev@igalia.com>
Date: Wed, 13 May 2026 14:23:38 +0200
Subject: [PATCH] tu: Don't enable FDM when there is FDM attachment is UNUSED

Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41539>
---
 src/freedreno/vulkan/tu_pass.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/freedreno/vulkan/tu_pass.cc b/src/freedreno/vulkan/tu_pass.cc
index 3a4193f0bf6..ad2b011a166 100644
--- a/src/freedreno/vulkan/tu_pass.cc
+++ b/src/freedreno/vulkan/tu_pass.cc
@@ -1145,7 +1145,8 @@ tu_CreateRenderPass2(VkDevice _device,
    const VkRenderPassFragmentDensityMapCreateInfoEXT *fdm_info =
       vk_find_struct_const(pCreateInfo->pNext,
                            RENDER_PASS_FRAGMENT_DENSITY_MAP_CREATE_INFO_EXT);
-   if (fdm_info && !tu_render_pass_disable_fdm(device, pass)) {
+   if (fdm_info && fdm_info->fragmentDensityMapAttachment.attachment != VK_ATTACHMENT_UNUSED &&
+       !tu_render_pass_disable_fdm(device, pass)) {
       pass->fragment_density_map.attachment =
          fdm_info->fragmentDensityMapAttachment.attachment;
       pass->has_fdm = true;