It is needed to unblock the pipeline only if there is an active dmabuf
to be rendered and the fence for it is not yet signaled.
Cc: Marc-André Lureau <marcandre.lur...@redhat.com>
Cc: Vivek Kasireddy <vivek.kasire...@intel.com>
Signed-off-by: Dongwon Kim <dongwon....@intel.com>
---
ui/gtk.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/ui/gtk.c b/ui/gtk.c
index ea8d07833e..073c9eadb8 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -597,10 +597,16 @@ void gd_hw_gl_flushed(void *vcon)
VirtualConsole *vc = vcon;
QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
- qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
- close(dmabuf->fence_fd);
- dmabuf->fence_fd = -1;
- graphic_hw_gl_block(vc->gfx.dcl.con, false);
+ if (!dmabuf) {
+ return;
+ }
+
+ if (dmabuf->fence_fd > 0) {
+ qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
+ close(dmabuf->fence_fd);
+ dmabuf->fence_fd = -1;
+ graphic_hw_gl_block(vc->gfx.dcl.con, false);
+ }
}
/** DisplayState Callbacks (opengl version) **/
--
2.34.1
