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Don't allow vert_blank to be 0.

This commit is contained in:
joevt 2023-09-18 17:34:53 -07:00 committed by dingusdev
parent 5876cc7e17
commit b509df78df
1 changed files with 6 additions and 2 deletions
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8
devices/video/videoctrl.cpp
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@ -89,8 +89,12 @@ void VideoCtrlBase::start_refresh_task() {
}
);
uint64_t vbl_duration = static_cast<uint64_t>(1.0f / ((double)(this->pixel_clock) /
hori_total / vert_blank) * NS_PER_SEC + 0.5);
if (vert_blank == 0) {
LOG_F(ERROR, "Vertical blank is 0. Using 25 instead.");
vert_blank = 25;
}
uint64_t vbl_duration = static_cast<uint64_t>((double)hori_total * vert_blank / this->pixel_clock * NS_PER_SEC + 0.5);
this->vbl_end_task_id = TimerManager::get_instance()->add_cyclic_timer(
refresh_interval,
refresh_interval + vbl_duration,