[Mesa-dev] [PATCH 3/5] radeonsi: make allocator_zeroed_memory unmappable and use bigger buffers

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/drivers/radeonsi/si_pipe.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 98059ddbf8b..c6f93e7b15e 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -423,22 +423,23 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
 	    sctx->chip_class == VI ||
 	    sctx->chip_class == GFX9) {
 		sctx->eop_bug_scratch = si_resource(
 			pipe_buffer_create(&sscreen->b, 0, PIPE_USAGE_DEFAULT,
 					   16 * sscreen->info.num_render_backends));
 		if (!sctx->eop_bug_scratch)
 			goto fail;
 	}
 
 	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;
 
 	sctx->b.stream_uploader = u_upload_create(&sctx->b, 1024 * 1024,
 						    0, PIPE_USAGE_STREAM,
 						    SI_RESOURCE_FLAG_READ_ONLY);
 	if (!sctx->b.stream_uploader)
 		goto fail;
 
-- 
2.17.1