radeonsi: make allocator_zeroed_memory unmappable and use bigger buffers

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 98059dd..c6f93e7 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -430,8 +430,9 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
        }
 
        sctx->allocator_zeroed_memory =
-               u_suballocator_create(&sctx->b, sscreen->info.gart_page_size,
+               u_suballocator_create(&sctx->b, 128 * 1024,
                                      0, PIPE_USAGE_DEFAULT,
+                                     SI_RESOURCE_FLAG_UNMAPPABLE |
                                      SI_RESOURCE_FLAG_CLEAR, false);
        if (!sctx->allocator_zeroed_memory)
                goto fail;