backend/drm: stop initializing renderer for parent backend

Unless we're dealing with a multi-GPU setup and the backend being
initialized is secondary, we don't need a renderer nor an allocator.
Stop initializing these.

2 files changed, 4 insertions, 2 deletions

diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h
index 881d4718..9aae5e0b 100644
--- a/include/backend/drm/drm.h
+++ b/include/backend/drm/drm.h
@@ -62,6 +62,7 @@ struct wlr_drm_backend {
 	int fd;
 	char *name;
 	struct wlr_device *dev;
+	struct gbm_device *gbm;
 
 	size_t num_crtcs;
 	struct wlr_drm_crtc *crtcs;
@@ -79,7 +80,9 @@ struct wlr_drm_backend {
 	struct wl_list fbs; // wlr_drm_fb.link
 	struct wl_list outputs;
 
-	struct wlr_drm_renderer renderer;
+	/* Only initialized on multi-GPU setups */
+	struct wlr_drm_renderer mgpu_renderer;
+
 	struct wlr_session *session;
 
 	uint64_t cursor_width, cursor_height;
diff --git a/include/backend/drm/renderer.h b/include/backend/drm/renderer.h
index 528f2189..f6b996c7 100644
--- a/include/backend/drm/renderer.h
+++ b/include/backend/drm/renderer.h
@@ -13,7 +13,6 @@ struct wlr_buffer;
 
 struct wlr_drm_renderer {
 	struct wlr_drm_backend *backend;
-	struct gbm_device *gbm;
 
 	struct wlr_renderer *wlr_rend;
 	struct wlr_allocator *allocator;