diff options
Diffstat (limited to 'hw/xfree86/modes/xf86Crtc.c')
| -rw-r--r-- | hw/xfree86/modes/xf86Crtc.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c index cbe0b5cf6..384d8b472 100644 --- a/hw/xfree86/modes/xf86Crtc.c +++ b/hw/xfree86/modes/xf86Crtc.c @@ -2060,13 +2060,28 @@ xf86TargetPreferred(ScrnInfoPtr scrn, xf86CrtcConfigPtr config, if (o == p) continue; - for (mode = output->probed_modes; mode; mode = mode->next) { - Rotation r = output->initial_rotation; - if (xf86ModeWidth(mode, r) == pref_width && - xf86ModeHeight(mode, r) == pref_height) { + /* + * First see if the preferred mode matches on the next + * output as well. This catches the common case of identical + * monitors and makes sure they all have the same timings + * and refresh. If that fails, we fall back to trying to + * match just width & height. + */ + mode = xf86OutputHasPreferredMode(output, pref_width, + pref_height); + if (mode && xf86ModesEqual(mode, preferred[p])) { preferred[o] = mode; match = TRUE; - } + } else { + for (mode = output->probed_modes; mode; + mode = mode->next) { + Rotation r = output->initial_rotation; + if (xf86ModeWidth(mode, r) == pref_width && + xf86ModeHeight(mode, r) == pref_height) { + preferred[o] = mode; + match = TRUE; + } + } } all_match &= match; |