Re: [PATCH 1/2] drm/msm/dpu: add dpu encoder uninit

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On Fri, Nov 16, 2018 at 11:22:21AM -0800, Jeykumar Sankaran wrote:
> Add encoder interface to release dpu encoder
> on mode_init failures in kms.
> 
> Signed-off-by: Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 12 ++++++++++--
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h |  6 ++++++
>  2 files changed, 16 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index dd7ab85..b253165 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -422,6 +422,15 @@ void dpu_encoder_get_hw_resources(struct drm_encoder *drm_enc,
>  	}
>  }
>  
> +void dpu_encoder_uninit(struct drm_encoder *drm_enc)
> +{
> +	struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc);
> +
> +	drm_encoder_cleanup(drm_enc);
> +
> +	kfree(dpu_enc);
> +}
> +
>  static void dpu_encoder_destroy(struct drm_encoder *drm_enc)
>  {
>  	struct dpu_encoder_virt *dpu_enc = NULL;
> @@ -453,10 +462,9 @@ static void dpu_encoder_destroy(struct drm_encoder *drm_enc)
>  	dpu_enc->num_phys_encs = 0;
>  	mutex_unlock(&dpu_enc->enc_lock);
>  
> -	drm_encoder_cleanup(drm_enc);
>  	mutex_destroy(&dpu_enc->enc_lock);
>  
> -	kfree(dpu_enc);
> +	dpu_encoder_uninit(drm_enc);
>  }
>  
>  void dpu_encoder_helper_split_config(
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> index 9dbf38f..60b88bd 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> @@ -142,6 +142,12 @@ struct drm_encoder *dpu_encoder_init(
>  		int drm_enc_mode);
>  
>  /**
> + * dpu_encoder_uninit - uninitialize virtual encoder object
> + * @drm_enc:  Pointer to drm encoder
> + */
> +void dpu_encoder_uninit(struct drm_encoder *drm_enc);

Just make it static?

> +
> +/**
>   * dpu_encoder_setup - setup dpu_encoder for the display probed
>   * @dev:		Pointer to drm device structure
>   * @enc:		Pointer to the drm_encoder
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS



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