From 42be0ab641d7ea2402c01a8118aac5b913cf553a Mon Sep 17 00:00:00 2001
From: TC1995 <mariogplayer90@gmail.com>
Date: Tue, 2 Apr 2024 00:20:27 +0200
Subject: [PATCH] Voodoo: vertical display programming fix.

Apparently some software reprograms the vertical display wrong sometimes (in this case, vdisp + 2).
This should fix software titles that use such techniques...
---
 src/video/vid_voodoo.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/video/vid_voodoo.c b/src/video/vid_voodoo.c
index 734179fa9..93bdd1a4c 100644
--- a/src/video/vid_voodoo.c
+++ b/src/video/vid_voodoo.c
@@ -505,6 +505,9 @@ voodoo_writel(uint32_t addr, uint32_t val, void *priv)
                 voodoo->videoDimensions = val;
                 voodoo->h_disp          = (val & 0xfff) + 1;
                 voodoo->v_disp          = (val >> 16) & 0xfff;
+                if ((voodoo->v_disp == 386) || (voodoo->v_disp == 402) ||
+                    (voodoo->v_disp == 482) || (voodoo->v_disp == 602))
+                    voodoo->v_disp     -= 2;
                 break;
             case SST_fbiInit0:
                 if (voodoo->initEnable & 0x01) {