From d4faef8f0bb195bda1c597702d6ffcbea3f0f10d Mon Sep 17 00:00:00 2001
From: Igor Torrente <igor.torrente@collabora.com>
Date: Fri, 17 Jan 2025 16:58:43 -0300
Subject: [PATCH] NVK: Enable RW DMA-BUF export

Venus need mmap DMA-BUF as rw to implement some things internaly.
This patch allows NVK DMA-BUF export to be mmaped as RW.

cc: mesa-stable

Signed-off-by: Igor Torrente <igor.torrente@collabora.com>
Reviewed-by: Faith Ekstrand <None>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33203>
---
 src/nouveau/winsys/nouveau_bo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nouveau/winsys/nouveau_bo.c b/src/nouveau/winsys/nouveau_bo.c
index 7fa8b8b1c5b..0f1ea55552e 100644
--- a/src/nouveau/winsys/nouveau_bo.c
+++ b/src/nouveau/winsys/nouveau_bo.c
@@ -309,5 +309,5 @@ nouveau_ws_bo_wait(struct nouveau_ws_bo *bo, enum nouveau_ws_bo_map_flags flags)
 int
 nouveau_ws_bo_dma_buf(struct nouveau_ws_bo *bo, int *fd)
 {
-   return drmPrimeHandleToFD(bo->dev->fd, bo->handle, DRM_CLOEXEC, fd);
+   return drmPrimeHandleToFD(bo->dev->fd, bo->handle, DRM_CLOEXEC | O_RDWR, fd);
 }