diff options
| author | Rob Clark <robdclark@chromium.org> | 2021-11-05 23:20:21 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2021-11-21 23:46:28 +0300 |
| commit | 59ba1b2b4825342676300f66d785764be3fcb093 (patch) | |
| tree | 1fb4d032969bcdd8007570c0ab9a62e5e9c82d26 /drivers/gpu/drm/msm | |
| parent | b4d25abf9720b69a03465b09d0d62d1998ed6708 (diff) | |
| download | linux-59ba1b2b4825342676300f66d785764be3fcb093.tar.xz | |
drm/msm/devfreq: Fix OPP refcnt leak
Reported-by: Douglas Anderson <dianders@chromium.org>
Fixes: 9bc95570175a ("drm/msm: Devfreq tuning")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-By: Steev Klimaszewski <steev@kali.org>
Reviewed-by: Akhil P Oommen <akhilpo@codeaurora.org>
Link: https://lore.kernel.org/r/20211105202021.181092-1-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu_devfreq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu_devfreq.c b/drivers/gpu/drm/msm/msm_gpu_devfreq.c index 8b7473f69cb8..3b129161c140 100644 --- a/drivers/gpu/drm/msm/msm_gpu_devfreq.c +++ b/drivers/gpu/drm/msm/msm_gpu_devfreq.c @@ -20,6 +20,10 @@ static int msm_devfreq_target(struct device *dev, unsigned long *freq, struct msm_gpu *gpu = dev_to_gpu(dev); struct dev_pm_opp *opp; + /* + * Note that devfreq_recommended_opp() can modify the freq + * to something that actually is in the opp table: + */ opp = devfreq_recommended_opp(dev, freq, flags); /* @@ -28,6 +32,7 @@ static int msm_devfreq_target(struct device *dev, unsigned long *freq, */ if (gpu->devfreq.idle_freq) { gpu->devfreq.idle_freq = *freq; + dev_pm_opp_put(opp); return 0; } |