diff options
| author | Lukasz Luba <lukasz.luba@arm.com> | 2024-10-18 12:18:11 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-05 14:01:49 +0100 |
| commit | cdf517cf86ed6d01a5353d26bff51cbff5cc4abc (patch) | |
| tree | 7ac1ee072fb43fa67958557295d9449f6e430569 | |
| parent | 3b98bad37ae882bf1c83a6a2d88a577cc863559b (diff) | |
drm/msm/gpu: Check the status of registration to PM QoS
[ Upstream commit 8f32ddd87e499ba6d2dc74ce30b6932baf1e1fc3 ]
There is a need to check the returned value of the registration function.
In case of returned error, print that and stop the init process.
Fixes: 7c0ffcd40b16 ("drm/msm/gpu: Respect PM QoS constraints")
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Patchwork: https://patchwork.freedesktop.org/patch/620336/
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu_devfreq.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu_devfreq.c b/drivers/gpu/drm/msm/msm_gpu_devfreq.c index ea70c1c32d94..6970b0f7f457 100644 --- a/drivers/gpu/drm/msm/msm_gpu_devfreq.c +++ b/drivers/gpu/drm/msm/msm_gpu_devfreq.c @@ -140,6 +140,7 @@ void msm_devfreq_init(struct msm_gpu *gpu) { struct msm_gpu_devfreq *df = &gpu->devfreq; struct msm_drm_private *priv = gpu->dev->dev_private; + int ret; /* We need target support to do devfreq */ if (!gpu->funcs->gpu_busy) @@ -156,8 +157,12 @@ void msm_devfreq_init(struct msm_gpu *gpu) mutex_init(&df->lock); - dev_pm_qos_add_request(&gpu->pdev->dev, &df->boost_freq, - DEV_PM_QOS_MIN_FREQUENCY, 0); + ret = dev_pm_qos_add_request(&gpu->pdev->dev, &df->boost_freq, + DEV_PM_QOS_MIN_FREQUENCY, 0); + if (ret < 0) { + DRM_DEV_ERROR(&gpu->pdev->dev, "Couldn't initialize QoS\n"); + return; + } msm_devfreq_profile.initial_freq = gpu->fast_rate; |