linux-kernel - Re: [PATCH v4 1/3] drm/msm: fix unbalanced pm_runtime_enable in adreno_gpu

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Date:   Mon, 13 Jul 2020 17:45:26 -0600
From:   Jordan Crouse <jcrouse@...eaurora.org>
To:     Jonathan Marek <jonathan@...ek.ca>
Cc:     freedreno@...ts.freedesktop.org, Rob Clark <robdclark@...il.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Brian Masney <masneyb@...tation.org>,
        Douglas Anderson <dianders@...omium.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <linux-arm-msm@...r.kernel.org>,
        "open list:DRM DRIVER FOR MSM ADRENO GPU" 
        <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 1/3] drm/msm: fix unbalanced pm_runtime_enable in
 adreno_gpu_{init,cleanup}

On Mon, Jul 13, 2020 at 06:53:40PM -0400, Jonathan Marek wrote:
> adreno_gpu_init calls pm_runtime_enable, so adreno_gpu_cleanup needs to
> call pm_runtime_disable.

Reviewed-by: Jordan Crouse <jcrouse@...eaurora.org>

> Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
> ---
>  drivers/gpu/drm/msm/adreno/adreno_gpu.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> index 89673c7ed473..ad64d4b7e8d7 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> @@ -1021,11 +1021,14 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
>  void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu)
>  {
>  	struct msm_gpu *gpu = &adreno_gpu->base;
> +	struct msm_drm_private *priv = gpu->dev->dev_private;
>  	unsigned int i;
>  
>  	for (i = 0; i < ARRAY_SIZE(adreno_gpu->info->fw); i++)
>  		release_firmware(adreno_gpu->fw[i]);
>  
> +	pm_runtime_disable(&priv->gpu_pdev->dev);
> +
>  	icc_put(gpu->icc_path);
>  	icc_put(gpu->ocmem_icc_path);
>  
> -- 
> 2.26.1
> 

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