Re: [PATCH 2/5] drm/msm/dpu: Clean up plane atomic disable/update

From: Sean Paul <sean-p7yTbzM4H96eqtR555YLDQ@public.gmane.org>
To: Bruce Wang <bzwang-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
Cc: linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	abhinavk-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
	robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
	jsanka-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
	freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: Re: [PATCH 2/5] drm/msm/dpu: Clean up plane atomic disable/update
Date: Wed, 19 Sep 2018 15:02:24 -0400	[thread overview]
Message-ID: <20180919190224.GV188300@art_vandelay> (raw)
In-Reply-To: <20180919154415.131292-3-bzwang-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>

On Wed, Sep 19, 2018 at 11:44:12AM -0400, Bruce Wang wrote:
> Removes unnecessary checks from dpu_plane_atomic_disable, old_state
> argument for both dpu_plane_atomic_disable and
> dpu_plane_sspp_atomic_update is removed as it is no longer used.
> 
> Signed-off-by: Bruce Wang <bzwang@chromium.org>

Reviewed-by: Sean Paul <seanpaul@chromium.org>

> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 31 +++++------------------
>  1 file changed, 7 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> index a8d00f57f06a..7f6046166626 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> @@ -1157,8 +1157,7 @@ void dpu_plane_set_error(struct drm_plane *plane, bool error)
>  	pdpu->is_error = error;
>  }
>  
> -static void dpu_plane_sspp_atomic_update(struct drm_plane *plane,
> -					 struct drm_plane_state *old_state)
> +static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
>  {
>  	uint32_t src_flags;
>  	struct dpu_plane *pdpu = to_dpu_plane(plane);
> @@ -1271,27 +1270,11 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane,
>  	_dpu_plane_set_qos_remap(plane);
>  }
>  
> -static void _dpu_plane_atomic_disable(struct drm_plane *plane,
> -				struct drm_plane_state *old_state)
> +static void _dpu_plane_atomic_disable(struct drm_plane *plane)
>  {
> -	struct dpu_plane *pdpu;
> -	struct drm_plane_state *state;
> -	struct dpu_plane_state *pstate;
> -
> -	if (!plane) {
> -		DPU_ERROR("invalid plane\n");
> -		return;
> -	} else if (!plane->state) {
> -		DPU_ERROR("invalid plane state\n");
> -		return;
> -	} else if (!old_state) {
> -		DPU_ERROR("invalid old state\n");
> -		return;
> -	}
> -
> -	pdpu = to_dpu_plane(plane);
> -	state = plane->state;
> -	pstate = to_dpu_plane_state(state);
> +	struct dpu_plane *pdpu = to_dpu_plane(plane);
> +	struct drm_plane_state *state = plane->state;
> +	struct dpu_plane_state *pstate = to_dpu_plane_state(state);
>  
>  	trace_dpu_plane_disable(DRMID(plane), is_dpu_plane_virtual(plane),
>  				pstate->multirect_mode);
> @@ -1315,9 +1298,9 @@ static void dpu_plane_atomic_update(struct drm_plane *plane,
>  	DPU_DEBUG_PLANE(pdpu, "\n");
>  
>  	if (!state->visible) {
> -		_dpu_plane_atomic_disable(plane, old_state);
> +		_dpu_plane_atomic_disable(plane);
>  	} else {
> -		dpu_plane_sspp_atomic_update(plane, old_state);
> +		dpu_plane_sspp_atomic_update(plane);
>  	}
>  }
>  
> -- 
> 2.19.0.397.gdd90340f6a-goog
> 

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