Mesa (main): gbm: Inline load_backend function content

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Module: Mesa
Branch: main
Commit: b45cc75406080416d02e04eddd9affb240a904fe
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b45cc75406080416d02e04eddd9affb240a904fe

Author: James Jones <jajones at nvidia.com>
Date:   Fri Dec 13 15:54:53 2019 -0800

gbm: Inline load_backend function content

It was a functional no-op with the currently
available backends (Only DRI), and its implied
intended functionality is implemented elsewhere
in subsequent patches.

Signed-off-by: James Jones <jajones at nvidia.com>
Reviewed-by: Michel Dänzer <mdaenzer at redhat.com>
Reviewed-by: Emil Velikov <emil.l.velikov at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9902>

---

 src/gbm/main/backend.c | 29 ++++++-----------------------
 1 file changed, 6 insertions(+), 23 deletions(-)

diff --git a/src/gbm/main/backend.c b/src/gbm/main/backend.c
index 37ec9c16f40..029a177fe64 100644
--- a/src/gbm/main/backend.c
+++ b/src/gbm/main/backend.c
@@ -39,28 +39,13 @@ extern const struct gbm_backend gbm_dri_backend;
 
 struct backend_desc {
    const char *name;
-   const struct gbm_backend *builtin;
+   const struct gbm_backend *backend;
 };
 
 static const struct backend_desc backends[] = {
    { "gbm_dri.so", &gbm_dri_backend },
 };
 
-static const void *
-load_backend(const struct backend_desc *backend)
-{
-   const void *init = NULL;
-
-   if (backend == NULL)
-      return NULL;
-
-   if (backend->builtin) {
-      init = backend->builtin;
-   }
-
-   return init;
-}
-
 static const struct backend_desc *
 find_backend(const char *name)
 {
@@ -80,24 +65,22 @@ find_backend(const char *name)
 struct gbm_device *
 _gbm_create_device(int fd)
 {
-   const struct gbm_backend *backend = NULL;
+   const struct backend_desc *backend = NULL;
    struct gbm_device *dev = NULL;
    unsigned i;
    const char *b;
 
    b = getenv("GBM_BACKEND");
    if (b)
-      backend = load_backend(find_backend(b));
+      backend = find_backend(b);
 
    if (backend)
-      dev = backend->create_device(fd);
+      dev = backend->backend->create_device(fd);
 
    for (i = 0; i < ARRAY_SIZE(backends) && dev == NULL; ++i) {
-      backend = load_backend(&backends[i]);
-      if (backend == NULL)
-         continue;
+      backend = &backends[i];
 
-      dev = backend->create_device(fd);
+      dev = backend->backend->create_device(fd);
    }
    
    return dev;