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| author |   Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2018-11-13 10:58:49 +0100 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2018-11-13 10:59:10 +0100 |
| commit | 0ea0397a3a12f9720d6acb78a48da796a54e81aa (patch) | |
| tree | e2078363019cb2fde493844d7f25293412c4b6df /drivers/cpuidle/poll_state.c | |
| parent | drm/syncobj: Fix compilation following partial revert (diff) | |
| parent | Linux 4.20-rc1 (diff) | |
| download | linux-dev-0ea0397a3a12f9720d6acb78a48da796a54e81aa.tar.xz linux-dev-0ea0397a3a12f9720d6acb78a48da796a54e81aa.zip | |
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
drm-next is forwarded to v4.20-rc1, and we need this to make
a patch series apply.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/cpuidle/poll_state.c')
| -rw-r--r-- | drivers/cpuidle/poll_state.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/cpuidle/poll_state.c b/drivers/cpuidle/poll_state.c index 3f86d23c592e..85792d371add 100644 --- a/drivers/cpuidle/poll_state.c +++ b/drivers/cpuidle/poll_state.c @@ -9,7 +9,6 @@ #include <linux/sched/clock.h> #include <linux/sched/idle.h> -#define POLL_IDLE_TIME_LIMIT (TICK_NSEC / 16) #define POLL_IDLE_RELAX_COUNT 200 static int __cpuidle poll_idle(struct cpuidle_device *dev, @@ -17,8 +16,11 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, { u64 time_start = local_clock(); + dev->poll_time_limit = false; + local_irq_enable(); if (!current_set_polling_and_test()) { + u64 limit = (u64)drv->states[1].target_residency * NSEC_PER_USEC; unsigned int loop_count = 0; while (!need_resched()) { @@ -27,8 +29,10 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, continue; loop_count = 0; - if (local_clock() - time_start > POLL_IDLE_TIME_LIMIT) + if (local_clock() - time_start > limit) { + dev->poll_time_limit = true; break; + } } } current_clr_polling(); |