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wait_for_vblank() will now only wait 25ms at maximum (40Hz) - this is needed because

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there is no VBlank interrupt when the display is turned off (and the code to turn it
on again actually calls wait_for_vblank()...).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@17597 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2006-05-26 17:11:34 +00:00
parent 0b10fd4841
commit 178d3441ad
1 changed files with 3 additions and 1 deletions
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4
src/add-ons/accelerants/intel_extreme/mode.cpp
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@ -105,7 +105,9 @@ create_mode_list(void)
void
wait_for_vblank(void)
{
acquire_sem(gInfo->shared_info->vblank_sem);
acquire_sem_etc(gInfo->shared_info->vblank_sem, 1, B_RELATIVE_TIMEOUT, 25000);
// With the output turned off via DPMS, we might not get any interrupts anymore
// that's why we don't wait forever for it.
}