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545.29.06

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This commit is contained in:
Maneet Singh
2023-11-21 13:38:23 -08:00
parent be3cd9abcb
commit 4c29105335
28 changed files with 2105 additions and 531 deletions
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20
kernel-open/nvidia-modeset/nvidia-modeset-linux.c
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@@ -218,9 +218,23 @@ static inline int nvkms_read_trylock_pm_lock(void)
static inline void nvkms_read_lock_pm_lock(void)
{
while (!down_read_trylock(&nvkms_pm_lock)) {
try_to_freeze();
cond_resched();
if ((current->flags & PF_NOFREEZE)) {
/*
* Non-freezable tasks (i.e. kthreads in this case) don't have to worry
* about being frozen during system suspend, but do need to block so
* that the CPU can go idle during s2idle. Do a normal uninterruptible
* blocking wait for the PM lock.
*/
down_read(&nvkms_pm_lock);
} else {
/*
* For freezable tasks, make sure we give the kernel an opportunity to
* freeze if taking the PM lock fails.
*/
while (!down_read_trylock(&nvkms_pm_lock)) {
try_to_freeze();
cond_resched();
}
}
}