diff -ur Mesa-9.2.0.orig/src/gallium/drivers/r600/evergreen_compute.c Mesa-9.2.0/src/gallium/drivers/r600/evergreen_compute.c
--- Mesa-9.2.0.orig/src/gallium/drivers/r600/evergreen_compute.c	2013-08-28 00:52:23.000000000 +0200
+++ Mesa-9.2.0/src/gallium/drivers/r600/evergreen_compute.c	2013-09-30 05:39:48.850541709 +0200
@@ -474,6 +474,7 @@
 		      R600_CONTEXT_INV_VERTEX_CACHE |
 	              R600_CONTEXT_INV_TEX_CACHE;
 	r600_flush_emit(ctx);
+	ctx->flags = 0;
 
 #if 0
 	COMPUTE_DBG(ctx->screen, "cdw: %i\n", cs->cdw);
@@ -482,16 +483,6 @@
 	}
 #endif
 
-	flush_flags = RADEON_FLUSH_ASYNC | RADEON_FLUSH_COMPUTE;
-	if (ctx->keep_tiling_flags) {
-		flush_flags |= RADEON_FLUSH_KEEP_TILING_FLAGS;
-	}
-
-	ctx->ws->cs_flush(ctx->rings.gfx.cs, flush_flags, ctx->screen->cs_count++);
-
-	ctx->flags = 0;
-
-	COMPUTE_DBG(ctx->screen, "shader started\n");
 }