Creating a screen needs to be serialized in order to support reusing
existing screen. With this, driver private mutexes in create_screen()
functions can be removed.
Signed-off-by: Rob Herring <r...@kernel.org>
Cc: Emil Velikov <emil.l.veli...@gmail.com>
---
src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c
b/src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c
index 7bdd2ec..554e59a 100644
--- a/src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c
+++ b/src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c
@@ -41,6 +41,7 @@
#include "pipe_loader_priv.h"
#include "pipe/p_screen.h"
+#include "os/os_thread.h"
#include "util/u_memory.h"
#include "util/u_dl.h"
#include "util/u_debug.h"
@@ -63,6 +64,8 @@ struct pipe_loader_drm_device {
static const struct pipe_loader_ops pipe_loader_drm_ops;
+pipe_static_mutex(loader_mutex);
+
#ifdef GALLIUM_STATIC_TARGETS
static const struct drm_conf_ret throttle_ret = {
DRM_CONF_INT,
@@ -303,8 +306,10 @@ pipe_loader_drm_create_screen(struct pipe_loader_device
*dev)
struct pipe_loader_drm_device *ddev = pipe_loader_drm_device(dev);
struct pipe_screen *pscreen;
+ pipe_mutex_lock(loader_mutex);
pscreen = ddev->dd->create_screen(ddev->fd);
ddev->base.pscreen = pscreen;
+ pipe_mutex_unlock(loader_mutex);
return pscreen;
}
--
2.9.2
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
