radeonsi: remove no-op unref in si_set_constant_buffer

buffer is already NULL here

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11340>

diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c
index 9bc2cc9..adbe017 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_descriptors.c
+++ b/src/gallium/drivers/radeonsi/si_descriptors.c
@@ -1148,7 +1148,6 @@ static void si_set_constant_buffer(struct si_context *sctx, struct si_buffer_res
          }
       } else {
          if (take_ownership) {
-            pipe_resource_reference(&buffer, NULL);
             buffer = input->buffer;
          } else {
             pipe_resource_reference(&buffer, input->buffer);