diff --git a/src/gallium/winsys/r600/drm/r600_hw_context.c b/src/gallium/winsys/r600/drm/r600_hw_context.c
index e28ef1f..ba2456a 100644
--- a/src/gallium/winsys/r600/drm/r600_hw_context.c
+++ b/src/gallium/winsys/r600/drm/r600_hw_context.c
@@ -1170,6 +1170,9 @@ void r600_context_flush_dest_caches(struct r600_context *ctx)
 	cb[6] = r600_context_reg_bo(ctx, R_028058_CB_COLOR6_BASE);
 	cb[7] = r600_context_reg_bo(ctx, R_02805C_CB_COLOR7_BASE);
 
+	ctx->pm4[ctx->pm4_cdwords++] = PKT3(PKT3_EVENT_WRITE, 0, 0);
+	ctx->pm4[ctx->pm4_cdwords++] = EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0);
+
 	/* flush the color buffers */
 	for (int i = 0; i < 8; i++) {
 		if (!cb[i])