[PATCH 7/8] drm/msm: dpu: Remove vblank_requested flag from dpu_crtc

[Jeykumar Sankaran]

On 2018-11-13 12:52, Sean Paul wrote:
> From: Sean Paul <seanpaul at chromium.org>
> 
> It's just for debug output, we don't need it
> 
> Signed-off-by: Sean Paul <seanpaul at chromium.org>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c  |  6 ------
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h  |  2 --
>  drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h | 14 ++++----------
>  3 files changed, 4 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> index 59e823281fdf..ab96a2e69efa 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> @@ -1163,10 +1163,6 @@ int dpu_crtc_vblank(struct drm_crtc *crtc, bool 
> en)
>  		dpu_encoder_toggle_vblank_for_crtc(enc, crtc, en);
>  	}
> 
> -	mutex_lock(&dpu_crtc->crtc_lock);
> -	dpu_crtc->vblank_requested = en;
> -	mutex_unlock(&dpu_crtc->crtc_lock);
> -
>  	return 0;
>  }
> 
> @@ -1282,8 +1278,6 @@ static int _dpu_debugfs_status_show(struct 
> seq_file
> *s, void *data)
>  		dpu_crtc->vblank_cb_time = ktime_set(0, 0);
>  	}
> 
> -	seq_printf(s, "vblank_enable:%d\n", dpu_crtc->vblank_requested);
> -
>  	mutex_unlock(&dpu_crtc->crtc_lock);
>  	drm_modeset_unlock_all(crtc->dev);
> 

I see few more references @ 
https://gitlab.freedesktop.org/seanpaul/dpu-staging/blob/for-next/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c#L900

Which change is removing them?

> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
> index 54595cc29be5..2b358546af49 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
> @@ -132,7 +132,6 @@ struct dpu_crtc_frame_event {
>   * @vblank_cb_count : count of vblank callback since last reset
>   * @play_count    : frame count between crtc enable and disable
>   * @vblank_cb_time  : ktime at vblank count reset
> - * @vblank_requested : whether the user has requested vblank events
>   * @enabled       : whether the DPU CRTC is currently enabled. updated 
> in
> the
>   *                  commit-thread, not state-swap time which is 
> earlier,
> so
>   *                  safe to make decisions on during VBLANK on/off 
> work
> @@ -166,7 +165,6 @@ struct dpu_crtc {
>  	u32 vblank_cb_count;
>  	u64 play_count;
>  	ktime_t vblank_cb_time;
> -	bool vblank_requested;
>  	bool enabled;
> 
>  	struct list_head feature_list;
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
> index 328df37d7580..c78b521ceda1 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
> @@ -728,20 +728,17 @@ TRACE_EVENT(dpu_crtc_vblank_enable,
>  		__field(	uint32_t,		enc_id	)
>  		__field(	bool,			enable	)
>  		__field(	bool,			enabled )
> -		__field(	bool,			vblank_requested )
>  	),
>  	TP_fast_assign(
>  		__entry->drm_id = drm_id;
>  		__entry->enc_id = enc_id;
>  		__entry->enable = enable;
>  		__entry->enabled = crtc->enabled;
> -		__entry->vblank_requested = crtc->vblank_requested;
>  	),
> -	TP_printk("id:%u encoder:%u enable:%s state{enabled:%s
> vblank_req:%s}",
> +	TP_printk("id:%u encoder:%u enable:%s state{enabled:%s}",
>  		  __entry->drm_id, __entry->enc_id,
>  		  __entry->enable ? "true" : "false",
> -		  __entry->enabled ? "true" : "false",
> -		  __entry->vblank_requested ? "true" : "false")
> +		  __entry->enabled ? "true" : "false")
>  );
> 
>  DECLARE_EVENT_CLASS(dpu_crtc_enable_template,
> @@ -751,18 +748,15 @@ DECLARE_EVENT_CLASS(dpu_crtc_enable_template,
>  		__field(	uint32_t,		drm_id	)
>  		__field(	bool,			enable	)
>  		__field(	bool,			enabled )
> -		__field(	bool,			vblank_requested )
>  	),
>  	TP_fast_assign(
>  		__entry->drm_id = drm_id;
>  		__entry->enable = enable;
>  		__entry->enabled = crtc->enabled;
> -		__entry->vblank_requested = crtc->vblank_requested;
>  	),
> -	TP_printk("id:%u enable:%s state{enabled:%s vblank_req:%s}",
> +	TP_printk("id:%u enable:%s state{enabled:%s}",
>  		  __entry->drm_id, __entry->enable ? "true" : "false",
> -		  __entry->enabled ? "true" : "false",
> -		  __entry->vblank_requested ? "true" : "false")
> +		  __entry->enabled ? "true" : "false")
>  );
>  DEFINE_EVENT(dpu_crtc_enable_template, dpu_crtc_enable,
>  	TP_PROTO(uint32_t drm_id, bool enable, struct dpu_crtc *crtc),

-- 
Jeykumar S