diff options
| author |   Ingo Molnar <mingo@kernel.org> | 2019-06-17 12:06:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-06-17 12:06:34 +0200 |
| commit | 410df0c5748f6c5a53847d2acb163dc7cd8b6c51 (patch) | |
| tree | 0c0f547f90a73ec6d30851f93720e0eb24f353eb /drivers/gpu/drm/panfrost/panfrost_devfreq.c | |
| parent | Documentation/atomic_t.txt: Clarify pure non-rmw usage (diff) | |
| parent | Linux 5.2-rc5 (diff) | |
| download | linux-dev-410df0c5748f6c5a53847d2acb163dc7cd8b6c51.tar.xz linux-dev-410df0c5748f6c5a53847d2acb163dc7cd8b6c51.zip | |
Merge tag 'v5.2-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_devfreq.c')
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_devfreq.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c index 29fcffdf2d57..db798532b0b6 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c @@ -140,7 +140,9 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev) return 0; ret = dev_pm_opp_of_add_table(&pfdev->pdev->dev); - if (ret) + if (ret == -ENODEV) /* Optional, continue without devfreq */ + return 0; + else if (ret) return ret; panfrost_devfreq_reset(pfdev); @@ -170,6 +172,9 @@ void panfrost_devfreq_resume(struct panfrost_device *pfdev) { int i; + if (!pfdev->devfreq.devfreq) + return; + panfrost_devfreq_reset(pfdev); for (i = 0; i < NUM_JOB_SLOTS; i++) pfdev->devfreq.slot[i].busy = false; @@ -179,6 +184,9 @@ void panfrost_devfreq_resume(struct panfrost_device *pfdev) void panfrost_devfreq_suspend(struct panfrost_device *pfdev) { + if (!pfdev->devfreq.devfreq) + return; + devfreq_suspend_device(pfdev->devfreq.devfreq); } @@ -188,6 +196,9 @@ static void panfrost_devfreq_update_utilization(struct panfrost_device *pfdev, i ktime_t now; ktime_t last; + if (!pfdev->devfreq.devfreq) + return; + now = ktime_get(); last = pfdev->devfreq.slot[slot].time_last_update; |