linux-kernel - Re: [PATCH v2 2/6] drm/msm: Refactor complete

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Date:   Mon, 2 Apr 2018 10:52:02 +0530
From:   Archit Taneja <architt@...eaurora.org>
To:     Sean Paul <seanpaul@...omium.org>, freedreno@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc:     robdclark@...il.com, hoegsberg@...omium.org, jsanka@...eaurora.org,
        abhinavk@...eaurora.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/6] drm/msm: Refactor complete_commit() to look more
 the helpers



On Thursday 29 March 2018 12:36 AM, Sean Paul wrote:
> Factor out the commit_tail() portions of complete_commit() into a
> separate function to facilitate moving to the atomic helpers in future
> patches.
> 

Reviewed-by: Archit Taneja <architt@...eaurora.org>

> Changes in v2:
> - None
> 
> Cc: Jeykumar Sankaran <jsanka@...eaurora.org>
> Signed-off-by: Sean Paul <seanpaul@...omium.org>
> ---
>   drivers/gpu/drm/msm/msm_atomic.c | 25 ++++++++++++++++---------
>   1 file changed, 16 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
> index e792158676aa..671a18ee977d 100644
> --- a/drivers/gpu/drm/msm/msm_atomic.c
> +++ b/drivers/gpu/drm/msm/msm_atomic.c
> @@ -97,18 +97,12 @@ static void msm_atomic_wait_for_commit_done(struct drm_device *dev,
>   	}
>   }
>   
> -/* The (potentially) asynchronous part of the commit.  At this point
> - * nothing can fail short of armageddon.
> - */
> -static void complete_commit(struct msm_commit *c, bool async)
> +static void msm_atomic_commit_tail(struct drm_atomic_state *state)
>   {
> -	struct drm_atomic_state *state = c->state;
>   	struct drm_device *dev = state->dev;
>   	struct msm_drm_private *priv = dev->dev_private;
>   	struct msm_kms *kms = priv->kms;
>   
> -	drm_atomic_helper_wait_for_fences(dev, state, false);
> -
>   	kms->funcs->prepare_commit(kms, state);
>   
>   	drm_atomic_helper_commit_modeset_disables(dev, state);
> @@ -135,6 +129,19 @@ static void complete_commit(struct msm_commit *c, bool async)
>   	drm_atomic_helper_cleanup_planes(dev, state);
>   
>   	kms->funcs->complete_commit(kms, state);
> +}
> +
> +/* The (potentially) asynchronous part of the commit.  At this point
> + * nothing can fail short of armageddon.
> + */
> +static void complete_commit(struct msm_commit *c)
> +{
> +	struct drm_atomic_state *state = c->state;
> +	struct drm_device *dev = state->dev;
> +
> +	drm_atomic_helper_wait_for_fences(dev, state, false);
> +
> +	msm_atomic_commit_tail(state);
>   
>   	drm_atomic_state_put(state);
>   
> @@ -143,7 +150,7 @@ static void complete_commit(struct msm_commit *c, bool async)
>   
>   static void commit_worker(struct work_struct *work)
>   {
> -	complete_commit(container_of(work, struct msm_commit, work), true);
> +	complete_commit(container_of(work, struct msm_commit, work));
>   }
>   
>   /**
> @@ -242,7 +249,7 @@ int msm_atomic_commit(struct drm_device *dev,
>   		return 0;
>   	}
>   
> -	complete_commit(c, false);
> +	complete_commit(c);
>   
>   	return 0;
>   
>