From 50572eafbbc6e2727925a5115d65979d0c2070c4 Mon Sep 17 00:00:00 2001 From: Rudolf Cornelissen Date: Sat, 13 May 2006 22:26:45 +0000 Subject: [PATCH] tuned PAL VCD and DVD modes for MGA-TVO (G100/G200). These are now OK. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@17446 a95241bf-73f2-0310-859d-f6bbb57e9c96 --- .../accelerants/matrox/engine/mga_maventv.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/src/add-ons/accelerants/matrox/engine/mga_maventv.c b/src/add-ons/accelerants/matrox/engine/mga_maventv.c index 7b60fc03ac..ab01ba733d 100644 --- a/src/add-ons/accelerants/matrox/engine/mga_maventv.c +++ b/src/add-ons/accelerants/matrox/engine/mga_maventv.c @@ -854,10 +854,20 @@ int maventv_init(display_mode target) if ((tv_target.flags & TV_BITS) == TV_PAL) { diff = tv_target.timing.h_total - tv_target.timing.h_display; - tv_target.timing.h_sync_start = tv_target.timing.h_display - 0 + (diff / 2); - /* keep adhering to CRTC constraints */ - tv_target.timing.h_sync_start &= ~0x0007; - tv_target.timing.h_sync_end = tv_target.timing.h_sync_start + 16; + if (!si->ps.secondary_head) + { + tv_target.timing.h_sync_start = tv_target.timing.h_display - 16 + (diff / 2); + /* keep adhering to CRTC constraints */ + tv_target.timing.h_sync_start &= ~0x0007; + tv_target.timing.h_sync_end = tv_target.timing.h_sync_start + 32; + } + else + { + tv_target.timing.h_sync_start = tv_target.timing.h_display - 0 + (diff / 2); + /* keep adhering to CRTC constraints */ + tv_target.timing.h_sync_start &= ~0x0007; + tv_target.timing.h_sync_end = tv_target.timing.h_sync_start + 16; + } } else {