From 444469d64e0f42bcf2bba0b7ba19cce667a19542 Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa@collabora.com>
Date: Mon, 16 May 2022 09:43:34 -0400
Subject: [PATCH] pan/va: Handle 2-src blend in lower_split_src

Fixes assertion fail in shaders/dolphin/smg.1.shader_test

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16585>
---
 src/panfrost/bifrost/valhall/va_lower_split_64bit.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/panfrost/bifrost/valhall/va_lower_split_64bit.c b/src/panfrost/bifrost/valhall/va_lower_split_64bit.c
index 0c562c0780e..bc315221f86 100644
--- a/src/panfrost/bifrost/valhall/va_lower_split_64bit.c
+++ b/src/panfrost/bifrost/valhall/va_lower_split_64bit.c
@@ -36,7 +36,11 @@ lower_split_src(bi_context *ctx, bi_instr *I, unsigned s)
 {
    /* Fix up for mismatch between IR and Valhall BLEND */
    if (I->op == BI_OPCODE_BLEND) {
-      assert(s == 1);
+      /* Only the blend descriptor needs lowering */
+      if (s != 1)
+         return;
+
+      /* But it is in a different place! */
       s = 2;
    }