diff options
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbscreen.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp index 2a53b18890..0e99d58679 100644 --- a/src/plugins/platforms/xcb/qxcbscreen.cpp +++ b/src/plugins/platforms/xcb/qxcbscreen.cpp @@ -558,7 +558,8 @@ void QXcbScreen::updateRefreshRate(xcb_randr_mode_t mode) for (; modesIter.rem; xcb_randr_mode_info_next(&modesIter)) { xcb_randr_mode_info_t *modeInfo = modesIter.data; if (modeInfo->id == mode) { - m_refreshRate = modeInfo->dot_clock / (modeInfo->htotal * modeInfo->vtotal); + const uint32_t dotCount = modeInfo->htotal * modeInfo->vtotal; + m_refreshRate = (dotCount != 0) ? modeInfo->dot_clock / dotCount : 0; m_mode = mode; break; } |