xorg-x11-server/xserver-mode-fuzzy-check.diff

43 lines
1.6 KiB
Diff

commit 45cc03726b49f6ad4afe6c3fb4ad65d1051928b4
Author: Matthias Hopf <mhopf@suse.de>
Date: Thu Oct 11 18:23:25 2007 +0200
Make mode checking more tolerant like in pre-RandR times.
diff --git a/hw/xfree86/modes/xf86Modes.c b/hw/xfree86/modes/xf86Modes.c
index f49c292..9981789 100644
--- a/hw/xfree86/modes/xf86Modes.c
+++ b/hw/xfree86/modes/xf86Modes.c
@@ -389,8 +389,8 @@ xf86ValidateModesSync(ScrnInfoPtr pScrn, DisplayModePtr modeList,
bad = TRUE;
for (i = 0; i < mon->nHsync; i++) {
- if (xf86ModeHSync(mode) >= mon->hsync[i].lo &&
- xf86ModeHSync(mode) <= mon->hsync[i].hi)
+ if (xf86ModeHSync(mode) >= mon->hsync[i].lo * (1-SYNC_TOLERANCE) &&
+ xf86ModeHSync(mode) <= mon->hsync[i].hi * (1+SYNC_TOLERANCE))
{
bad = FALSE;
}
@@ -400,8 +400,8 @@ xf86ValidateModesSync(ScrnInfoPtr pScrn, DisplayModePtr modeList,
bad = TRUE;
for (i = 0; i < mon->nVrefresh; i++) {
- if (xf86ModeVRefresh(mode) >= mon->vrefresh[i].lo &&
- xf86ModeVRefresh(mode) <= mon->vrefresh[i].hi)
+ if (xf86ModeVRefresh(mode) >= mon->vrefresh[i].lo * (1-SYNC_TOLERANCE) &&
+ xf86ModeVRefresh(mode) <= mon->vrefresh[i].hi * (1+SYNC_TOLERANCE))
{
bad = FALSE;
}
@@ -434,7 +434,8 @@ xf86ValidateModesClocks(ScrnInfoPtr pScrn, DisplayModePtr modeList,
for (mode = modeList; mode != NULL; mode = mode->next) {
Bool good = FALSE;
for (i = 0; i < n_ranges; i++) {
- if (mode->Clock >= min[i] && mode->Clock <= max[i]) {
+ if (mode->Clock >= min[i] * (1-SYNC_TOLERANCE) &&
+ mode->Clock <= max[i] * (1+SYNC_TOLERANCE)) {
good = TRUE;
break;
}