From d9e7813ccff864383d7684f9e7413afccf05cb20 Mon Sep 17 00:00:00 2001
From: Steve Markgraf <steve@steve-m.de>
Date: Thu, 26 Dec 2024 00:20:08 +0100
Subject: [PATCH] lib: correctly initialize FIFO tail

Otherwise we are doing a full wrap-around
of garbage data before we catch up
with the head.
---
 libpicohsdaoh/picohsdaoh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libpicohsdaoh/picohsdaoh.c b/libpicohsdaoh/picohsdaoh.c
index 34a9c42..7023a25 100644
--- a/libpicohsdaoh/picohsdaoh.c
+++ b/libpicohsdaoh/picohsdaoh.c
@@ -72,7 +72,7 @@ uint16_t idle_line_buf[MODE_H_ACTIVE_PIXELS];
 uint32_t info_p[64];
 uint32_t info_len;
 
-int fifo_tail = 0;
+int fifo_tail = RBUF_SLICES-1;
 int fifo_head = 0;
 
 static uint32_t vblank_line_vsync_off[] = {