Re: [PATCH 7/8] drm/msm/dpu: drop dpu_core_perf_destroy()

[Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>]

On 6/19/2023 5:08 PM, Dmitry Baryshkov wrote:
> This function does nothing, just clears several data pointers. Drop it
> now.

This will undo what dpu_core_perf_init() did when an error happens.

Why can we drop that?

> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c | 12 ------------
>   drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h |  6 ------
>   drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c       |  1 -
>   3 files changed, 19 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
> index 78a7e3ea27a4..f779ad544347 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
> @@ -394,18 +394,6 @@ int dpu_core_perf_debugfs_init(struct dpu_kms *dpu_kms, struct dentry *parent)
>   }
>   #endif
>   
> -void dpu_core_perf_destroy(struct dpu_core_perf *perf)
> -{
> -	if (!perf) {
> -		DPU_ERROR("invalid parameters\n");
> -		return;
> -	}
> -
> -	perf->max_core_clk_rate = 0;
> -	perf->core_clk = NULL;
> -	perf->dev = NULL;
> -}
> -
>   int dpu_core_perf_init(struct dpu_core_perf *perf,
>   		struct drm_device *dev,
>   		const struct dpu_perf_cfg *perf_cfg,
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h
> index e8a7916b6f71..e1198c104b5e 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.h
> @@ -69,12 +69,6 @@ int dpu_core_perf_crtc_update(struct drm_crtc *crtc,
>    */
>   void dpu_core_perf_crtc_release_bw(struct drm_crtc *crtc);
>   
> -/**
> - * dpu_core_perf_destroy - destroy the given core performance context
> - * @perf: Pointer to core performance context
> - */
> -void dpu_core_perf_destroy(struct dpu_core_perf *perf);
> -
>   /**
>    * dpu_core_perf_init - initialize the given core performance context
>    * @perf: Pointer to core performance context
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> index 6e62606e32de..4439147d2c35 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -1162,7 +1162,6 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
>   	return 0;
>   
>   drm_obj_init_err:
> -	dpu_core_perf_destroy(&dpu_kms->perf);
>   hw_intr_init_err:
>   perf_err:
>   power_error: