From e438a614743671862f4ff635a8353d99bd2bb1c1 Mon Sep 17 00:00:00 2001
From: Ian Douglas Scott <idscott@system76.com>
Date: Fri, 6 Dec 2024 14:29:52 -0800
Subject: [PATCH] pixman: Call `sync_plane` when importing dmabuf

Previously, `PixmanRenderer::import_dmabuf` didn't error for an fd that
isn't a dmabuf. Which caused an error later when trying to use this
ioctl.

I'm not aware of a better way to test this, so we can just add a
`sync_plane` here.
---
 src/backend/renderer/pixman/mod.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/backend/renderer/pixman/mod.rs b/src/backend/renderer/pixman/mod.rs
index 87ced41334f4..8252a0464990 100644
--- a/src/backend/renderer/pixman/mod.rs
+++ b/src/backend/renderer/pixman/mod.rs
@@ -743,6 +743,9 @@ impl PixmanRenderer {
             });
         }
 
+        dmabuf.sync_plane(0, DmabufSyncFlags::START | DmabufSyncFlags::READ)?;
+        dmabuf.sync_plane(0, DmabufSyncFlags::END | DmabufSyncFlags::READ)?;
+
         let image: Image<'_, '_> = unsafe {
             pixman::Image::from_raw_mut(
                 format,