Re: [PATCH v4 3/4] drm/msm/dpu: Remove empty prepare_commit() function

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On 2023-02-21 10:42:55, Jessica Zhang wrote:
> Now that the TE setup has been moved to prepare_for_kickoff(),  we have
> not prepare_commit() callbacks left. This makes dpu_encoder_prepare_commit()

s/not/no

> do nothing. Remove prepare_commit() from DPU driver.

And again, this:

> Changes in V3:
> - Reworded commit message to be more clear
> - Corrected spelling mistake in commit message
> 
> Changes in V4:
> - Reworded commit message for clarity

... should go below the cut.

> Signed-off-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>

With the above two issues fixed:

Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 19 -------------------
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h |  7 -------
>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c     | 21 ---------------------
>  3 files changed, 47 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index dcceed91aed8..35e120b5ef53 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -2090,25 +2090,6 @@ void dpu_encoder_helper_phys_cleanup(struct dpu_encoder_phys *phys_enc)
>  	ctl->ops.clear_pending_flush(ctl);
>  }
>  
> -void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc)
> -{
> -	struct dpu_encoder_virt *dpu_enc;
> -	struct dpu_encoder_phys *phys;
> -	int i;
> -
> -	if (!drm_enc) {
> -		DPU_ERROR("invalid encoder\n");
> -		return;
> -	}
> -	dpu_enc = to_dpu_encoder_virt(drm_enc);
> -
> -	for (i = 0; i < dpu_enc->num_phys_encs; i++) {
> -		phys = dpu_enc->phys_encs[i];
> -		if (phys->ops.prepare_commit)
> -			phys->ops.prepare_commit(phys);
> -	}
> -}
> -
>  #ifdef CONFIG_DEBUG_FS
>  static int _dpu_encoder_status_show(struct seq_file *s, void *data)
>  {
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> index 9e7236ef34e6..2c9ef8d1b877 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> @@ -146,13 +146,6 @@ struct drm_encoder *dpu_encoder_init(
>  int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,
>  		struct msm_display_info *disp_info);
>  
> -/**
> - * dpu_encoder_prepare_commit - prepare encoder at the very beginning of an
> - *	atomic commit, before any registers are written
> - * @drm_enc:    Pointer to previously created drm encoder structure
> - */
> -void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc);
> -
>  /**
>   * dpu_encoder_set_idle_timeout - set the idle timeout for video
>   *                    and command mode encoders.
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> index 165958d47ec6..6f7ddbf0d9b7 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -425,26 +425,6 @@ static ktime_t dpu_kms_vsync_time(struct msm_kms *kms, struct drm_crtc *crtc)
>  	return ktime_get();
>  }
>  
> -static void dpu_kms_prepare_commit(struct msm_kms *kms,
> -		struct drm_atomic_state *state)
> -{
> -	struct drm_crtc *crtc;
> -	struct drm_crtc_state *crtc_state;
> -	struct drm_encoder *encoder;
> -	int i;
> -
> -	if (!kms)
> -		return;
> -
> -	/* Call prepare_commit for all affected encoders */
> -	for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
> -		drm_for_each_encoder_mask(encoder, crtc->dev,
> -					  crtc_state->encoder_mask) {
> -			dpu_encoder_prepare_commit(encoder);
> -		}
> -	}
> -}
> -
>  static void dpu_kms_flush_commit(struct msm_kms *kms, unsigned crtc_mask)
>  {
>  	struct dpu_kms *dpu_kms = to_dpu_kms(kms);
> @@ -949,7 +929,6 @@ static const struct msm_kms_funcs kms_funcs = {
>  	.enable_commit   = dpu_kms_enable_commit,
>  	.disable_commit  = dpu_kms_disable_commit,
>  	.vsync_time      = dpu_kms_vsync_time,
> -	.prepare_commit  = dpu_kms_prepare_commit,
>  	.flush_commit    = dpu_kms_flush_commit,
>  	.wait_flush      = dpu_kms_wait_flush,
>  	.complete_commit = dpu_kms_complete_commit,
> -- 
> 2.39.2
> 



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