From 8fba9f81b49dd15c05a665afd5ed67fefdf66060 Mon Sep 17 00:00:00 2001
From: Faith Ekstrand <faith.ekstrand@collabora.com>
Date: Mon, 30 Jan 2023 20:12:00 -0600
Subject: [PATCH] nouveau/mme: Add a helper for MME_DMA_READ_FIFOED

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>
---
 src/nouveau/mme/mme_builder.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/nouveau/mme/mme_builder.h b/src/nouveau/mme/mme_builder.h
index 842fe4e0289..7150595e4a5 100644
--- a/src/nouveau/mme/mme_builder.h
+++ b/src/nouveau/mme/mme_builder.h
@@ -499,6 +499,21 @@ mme_emit_addr64(struct mme_builder *b, struct mme_value64 addr)
    mme_tu104_emit(b, addr.lo);
 }
 
+static inline void
+mme_tu104_read_fifoed(struct mme_builder *b,
+                      struct mme_value64 addr,
+                      struct mme_value count)
+{
+   mme_mthd(b, 0x0550 /* NVC597_SET_MME_MEM_ADDRESS_A */);
+   mme_emit_addr64(b, addr);
+
+   mme_mthd(b, 0x0560 /* NVC597_MME_DMA_READ_FIFOED */);
+   mme_emit(b, count);
+
+   mme_tu104_alu_no_dst(b, MME_TU104_ALU_OP_EXTENDED,
+                        mme_imm(0x1000), mme_imm(1), 0);
+}
+
 static inline void
 mme_start_loop(struct mme_builder *b, struct mme_value count)
 {