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Make mode checking more tolerant like in pre-RandR times.

This commit is contained in:
Matthias Hopf 2007-10-11 18:23:25 +02:00
parent 8825d36a38
commit 45cc03726b
1 changed files with 6 additions and 5 deletions
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11
hw/xfree86/modes/xf86Modes.c
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@ -389,8 +389,8 @@ xf86ValidateModesSync(ScrnInfoPtr pScrn, DisplayModePtr modeList,
bad = TRUE; bad = TRUE;
for (i = 0; i < mon->nHsync; i++) { for (i = 0; i < mon->nHsync; i++) {
if (xf86ModeHSync(mode) >= mon->hsync[i].lo && if (xf86ModeHSync(mode) >= mon->hsync[i].lo * (1-SYNC_TOLERANCE) &&
xf86ModeHSync(mode) <= mon->hsync[i].hi) xf86ModeHSync(mode) <= mon->hsync[i].hi * (1+SYNC_TOLERANCE))
{ {
bad = FALSE; bad = FALSE;
} }
@ -400,8 +400,8 @@ xf86ValidateModesSync(ScrnInfoPtr pScrn, DisplayModePtr modeList,
bad = TRUE; bad = TRUE;
for (i = 0; i < mon->nVrefresh; i++) { for (i = 0; i < mon->nVrefresh; i++) {
if (xf86ModeVRefresh(mode) >= mon->vrefresh[i].lo && if (xf86ModeVRefresh(mode) >= mon->vrefresh[i].lo * (1-SYNC_TOLERANCE) &&
xf86ModeVRefresh(mode) <= mon->vrefresh[i].hi) xf86ModeVRefresh(mode) <= mon->vrefresh[i].hi * (1+SYNC_TOLERANCE))
{ {
bad = FALSE; bad = FALSE;
} }
@ -434,7 +434,8 @@ xf86ValidateModesClocks(ScrnInfoPtr pScrn, DisplayModePtr modeList,
for (mode = modeList; mode != NULL; mode = mode->next) { for (mode = modeList; mode != NULL; mode = mode->next) {
Bool good = FALSE; Bool good = FALSE;
for (i = 0; i < n_ranges; i++) { 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; good = TRUE;
break; break;
} }