From 32bd3a6e4e738d298fd79900d9c4bafc3683fd3f Mon Sep 17 00:00:00 2001
From: Gurchetan Singh <gurchetansingh@google.com>
Date: Wed, 18 Mar 2026 09:05:52 -0700
Subject: [PATCH] gfxstream: simple compile fix

Fixes:

hardware/google/gfxstream/guest/OpenglSystemCommon/HostConnection.h:32:
external/mesa3d/src/gfxstream/guest/platform/include/VirtGpu.h:132:40:
    error: implicit conversion changes signedness: 'unsigned int' to
           'const int32_t' (aka 'const int') [-Werror,-Wsign-conversion]

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40492>
---
 src/gfxstream/guest/platform/include/VirtGpu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gfxstream/guest/platform/include/VirtGpu.h b/src/gfxstream/guest/platform/include/VirtGpu.h
index aea25346db7..e4313bbd4ce 100644
--- a/src/gfxstream/guest/platform/include/VirtGpu.h
+++ b/src/gfxstream/guest/platform/include/VirtGpu.h
@@ -129,7 +129,7 @@ struct VirtGpuPciBusInfo {
     uint8_t function;
 };
 
-constexpr int32_t INVALID_DESCRIPTOR = 0xFFFFFFFF;
+constexpr int32_t INVALID_DESCRIPTOR = -1;
 
 class VirtGpuResourceMapping;
 class VirtGpuResource;