From 202c4425a4503526b0ba8321b7840d6806c0277b Mon Sep 17 00:00:00 2001
From: RichardG867 <richardg867@gmail.com>
Date: Wed, 14 Apr 2021 16:08:20 -0300
Subject: [PATCH] Add DPMS support to ATI Mach64 (not functional at least on
 Windows XP)

---
 src/video/vid_ati_mach64.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/video/vid_ati_mach64.c b/src/video/vid_ati_mach64.c
index ed554309b..0d816ba7f 100644
--- a/src/video/vid_ati_mach64.c
+++ b/src/video/vid_ati_mach64.c
@@ -2282,6 +2282,7 @@ void mach64_ext_writeb(uint32_t addr, uint8_t val, void *p)
                         svga->fb_only = 1;
                 else
                         svga->fb_only = 0;
+                svga->dpms = !!(mach64->crtc_gen_cntl & 0x0c);
                 svga_recalctimings(&mach64->svga);
                 break;