Re: [Freedreno] [PATCH 06/19] drm/msm/gpu: add dev_to_gpu() helper

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On Thu, Aug 13, 2020 at 07:41:01PM -0700, Rob Clark wrote:
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
> 
> In a later patch, the drvdata will not directly be 'struct msm_gpu *',
> so add a helper to reduce the churn.
> 
Reviewed-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>

> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/adreno/adreno_device.c | 10 ++++------
>  drivers/gpu/drm/msm/msm_gpu.c              |  6 +++---
>  drivers/gpu/drm/msm/msm_gpu.h              |  5 +++++
>  3 files changed, 12 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
> index 9eeb46bf2a5d..26664e1b30c0 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
> @@ -282,7 +282,7 @@ struct msm_gpu *adreno_load_gpu(struct drm_device *dev)
>  	int ret;
>  
>  	if (pdev)
> -		gpu = platform_get_drvdata(pdev);
> +		gpu = dev_to_gpu(&pdev->dev);
>  
>  	if (!gpu) {
>  		dev_err_once(dev->dev, "no GPU device was found\n");
> @@ -425,7 +425,7 @@ static int adreno_bind(struct device *dev, struct device *master, void *data)
>  static void adreno_unbind(struct device *dev, struct device *master,
>  		void *data)
>  {
> -	struct msm_gpu *gpu = dev_get_drvdata(dev);
> +	struct msm_gpu *gpu = dev_to_gpu(dev);
>  
>  	pm_runtime_force_suspend(dev);
>  	gpu->funcs->destroy(gpu);
> @@ -490,16 +490,14 @@ static const struct of_device_id dt_match[] = {
>  #ifdef CONFIG_PM
>  static int adreno_resume(struct device *dev)
>  {
> -	struct platform_device *pdev = to_platform_device(dev);
> -	struct msm_gpu *gpu = platform_get_drvdata(pdev);
> +	struct msm_gpu *gpu = dev_to_gpu(dev);
>  
>  	return gpu->funcs->pm_resume(gpu);
>  }
>  
>  static int adreno_suspend(struct device *dev)
>  {
> -	struct platform_device *pdev = to_platform_device(dev);
> -	struct msm_gpu *gpu = platform_get_drvdata(pdev);
> +	struct msm_gpu *gpu = dev_to_gpu(dev);
>  
>  	return gpu->funcs->pm_suspend(gpu);
>  }
> diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
> index d5645472b25d..6aa9e04e52e7 100644
> --- a/drivers/gpu/drm/msm/msm_gpu.c
> +++ b/drivers/gpu/drm/msm/msm_gpu.c
> @@ -24,7 +24,7 @@
>  static int msm_devfreq_target(struct device *dev, unsigned long *freq,
>  		u32 flags)
>  {
> -	struct msm_gpu *gpu = platform_get_drvdata(to_platform_device(dev));
> +	struct msm_gpu *gpu = dev_to_gpu(dev);
>  	struct dev_pm_opp *opp;
>  
>  	opp = devfreq_recommended_opp(dev, freq, flags);
> @@ -45,7 +45,7 @@ static int msm_devfreq_target(struct device *dev, unsigned long *freq,
>  static int msm_devfreq_get_dev_status(struct device *dev,
>  		struct devfreq_dev_status *status)
>  {
> -	struct msm_gpu *gpu = platform_get_drvdata(to_platform_device(dev));
> +	struct msm_gpu *gpu = dev_to_gpu(dev);
>  	ktime_t time;
>  
>  	if (gpu->funcs->gpu_get_freq)
> @@ -64,7 +64,7 @@ static int msm_devfreq_get_dev_status(struct device *dev,
>  
>  static int msm_devfreq_get_cur_freq(struct device *dev, unsigned long *freq)
>  {
> -	struct msm_gpu *gpu = platform_get_drvdata(to_platform_device(dev));
> +	struct msm_gpu *gpu = dev_to_gpu(dev);
>  
>  	if (gpu->funcs->gpu_get_freq)
>  		*freq = gpu->funcs->gpu_get_freq(gpu);
> diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h
> index 0db117a7339b..8bda7beaed4b 100644
> --- a/drivers/gpu/drm/msm/msm_gpu.h
> +++ b/drivers/gpu/drm/msm/msm_gpu.h
> @@ -141,6 +141,11 @@ struct msm_gpu {
>  	struct msm_gpu_state *crashstate;
>  };
>  
> +static inline struct msm_gpu *dev_to_gpu(struct device *dev)
> +{
> +	return dev_get_drvdata(dev);
> +}
> +
>  /* It turns out that all targets use the same ringbuffer size */
>  #define MSM_GPU_RINGBUFFER_SZ SZ_32K
>  #define MSM_GPU_RINGBUFFER_BLKSIZE 32
> -- 
> 2.26.2
> 
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> Freedreno@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/freedreno

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