diff --git a/src/gallium/auxiliary/pipe-loader/pipe_loader.h b/src/gallium/auxiliary/pipe-loader/pipe_loader.h
index b50114310b4..5ee940958af 100644
--- a/src/gallium/auxiliary/pipe-loader/pipe_loader.h
+++ b/src/gallium/auxiliary/pipe-loader/pipe_loader.h
@@ -139,7 +139,7 @@ pipe_loader_release(struct pipe_loader_device **devs, int ndev);
  */
 bool
 pipe_loader_sw_probe_dri(struct pipe_loader_device **devs,
-                         struct drisw_loader_funcs *drisw_lf);
+                         const struct drisw_loader_funcs *drisw_lf);
 
 /**
  * Initialize a kms backed sw device given an fd.
diff --git a/src/gallium/auxiliary/pipe-loader/pipe_loader_sw.c b/src/gallium/auxiliary/pipe-loader/pipe_loader_sw.c
index 84894c0caf6..b8125cd6d6b 100644
--- a/src/gallium/auxiliary/pipe-loader/pipe_loader_sw.c
+++ b/src/gallium/auxiliary/pipe-loader/pipe_loader_sw.c
@@ -128,7 +128,7 @@ pipe_loader_sw_probe_teardown_common(struct pipe_loader_sw_device *sdev)
 
 #ifdef HAVE_PIPE_LOADER_DRI
 bool
-pipe_loader_sw_probe_dri(struct pipe_loader_device **devs, struct drisw_loader_funcs *drisw_lf)
+pipe_loader_sw_probe_dri(struct pipe_loader_device **devs, const struct drisw_loader_funcs *drisw_lf)
 {
    struct pipe_loader_sw_device *sdev = CALLOC_STRUCT(pipe_loader_sw_device);
    int i;
diff --git a/src/gallium/winsys/sw/dri/dri_sw_winsys.c b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
index d519bcfedd3..cd44b036c6f 100644
--- a/src/gallium/winsys/sw/dri/dri_sw_winsys.c
+++ b/src/gallium/winsys/sw/dri/dri_sw_winsys.c
@@ -62,7 +62,7 @@ struct dri_sw_winsys
 {
    struct sw_winsys base;
 
-   struct drisw_loader_funcs *lf;
+   const struct drisw_loader_funcs *lf;
 };
 
 static inline struct dri_sw_displaytarget *
@@ -282,7 +282,7 @@ dri_destroy_sw_winsys(struct sw_winsys *winsys)
 }
 
 struct sw_winsys *
-dri_create_sw_winsys(struct drisw_loader_funcs *lf)
+dri_create_sw_winsys(const struct drisw_loader_funcs *lf)
 {
    struct dri_sw_winsys *ws;
 
diff --git a/src/gallium/winsys/sw/dri/dri_sw_winsys.h b/src/gallium/winsys/sw/dri/dri_sw_winsys.h
index 329ac06a05b..47e3777d4cd 100644
--- a/src/gallium/winsys/sw/dri/dri_sw_winsys.h
+++ b/src/gallium/winsys/sw/dri/dri_sw_winsys.h
@@ -33,6 +33,6 @@
 
 struct sw_winsys;
 
-struct sw_winsys *dri_create_sw_winsys(struct drisw_loader_funcs *lf);
+struct sw_winsys *dri_create_sw_winsys(const struct drisw_loader_funcs *lf);
 
 #endif