panfrost: Constify the rt_fmts arg passed to pan_lower_framebuffer()

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7066>
diff --git a/src/panfrost/util/pan_lower_framebuffer.c b/src/panfrost/util/pan_lower_framebuffer.c
index 1c49735..47f36f2 100644
--- a/src/panfrost/util/pan_lower_framebuffer.c
+++ b/src/panfrost/util/pan_lower_framebuffer.c
@@ -722,7 +722,7 @@
 }
 
 bool
-pan_lower_framebuffer(nir_shader *shader, enum pipe_format *rt_fmts,
+pan_lower_framebuffer(nir_shader *shader, const enum pipe_format *rt_fmts,
                       bool is_blend, unsigned quirks)
 {
         if (shader->info.stage != MESA_SHADER_FRAGMENT)
diff --git a/src/panfrost/util/pan_lower_framebuffer.h b/src/panfrost/util/pan_lower_framebuffer.h
index 990368b..bce18e7 100644
--- a/src/panfrost/util/pan_lower_framebuffer.h
+++ b/src/panfrost/util/pan_lower_framebuffer.h
@@ -43,7 +43,7 @@
 enum pan_format_class pan_format_class_load(const struct util_format_description *desc, unsigned quirks);
 enum pan_format_class pan_format_class_store(const struct util_format_description *desc, unsigned quirks);
 
-bool pan_lower_framebuffer(nir_shader *shader, enum pipe_format *rt_fmts,
+bool pan_lower_framebuffer(nir_shader *shader, const enum pipe_format *rt_fmts,
                            bool is_blend, unsigned quirks);
 
 #endif