Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/msm/gpu: Check the status of registration to PM QoS
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>
authored by
Lukasz Luba
and committed by
Rob Clark
8f32ddd8
394679f3
+7
-2
+7
-2
drivers/gpu/drm/msm/msm_gpu_devfreq.c
+7
-2
drivers/gpu/drm/msm/msm_gpu_devfreq.c
···
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{
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struct msm_gpu_devfreq *df = &gpu->devfreq;
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struct msm_drm_private *priv = gpu->dev->dev_private;
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int ret;
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/* We need target support to do devfreq */
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if (!gpu->funcs->gpu_busy)
···
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mutex_init(&df->lock);
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-
dev_pm_qos_add_request(&gpu->pdev->dev, &df->boost_freq,
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DEV_PM_QOS_MIN_FREQUENCY, 0);
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ret = dev_pm_qos_add_request(&gpu->pdev->dev, &df->boost_freq,
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DEV_PM_QOS_MIN_FREQUENCY, 0);
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if (ret < 0) {
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DRM_DEV_ERROR(&gpu->pdev->dev, "Couldn't initialize QoS\n");
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return;
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}
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msm_devfreq_profile.initial_freq = gpu->fast_rate;
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