linux-kernel - Re: [PATCH v4 6/7] drm/msm/disp/dpu1: use atomic enable/disable callbacks for encoder functions

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Date:   Tue, 5 Jul 2022 22:07:30 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Vinod Polimera <quic_vpolimer@...cinc.com>,
        dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, robdclark@...il.com,
        dianders@...omium.org, swboyd@...omium.org,
        quic_kalyant@...cinc.com, quic_khsieh@...cinc.com,
        quic_vproddut@...cinc.com, bjorn.andersson@...aro.org,
        quic_aravindh@...cinc.com, quic_abhinavk@...cinc.com,
        quic_sbillaka@...cinc.com
Subject: Re: [PATCH v4 6/7] drm/msm/disp/dpu1: use atomic enable/disable
 callbacks for encoder functions

On 05/07/2022 20:00, Vinod Polimera wrote:
> Use atomic variants for encoder callback functions such that
> certain states like self-refresh can be accessed as part of
> enable/disable sequence.
> 
> Signed-off-by: Kalyan Thota <quic_kalyant@...cinc.com>
> Signed-off-by: Vinod Polimera <quic_vpolimer@...cinc.com>
> 
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

No. Your sign off should be the last tag here. Also there should be no 
blank lines between tags.

> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 10 ++++++----
>   1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index 5629c0b..f01a976 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -1130,7 +1130,8 @@ void dpu_encoder_virt_runtime_resume(struct drm_encoder *drm_enc)
>   	mutex_unlock(&dpu_enc->enc_lock);
>   }
>   
> -static void dpu_encoder_virt_enable(struct drm_encoder *drm_enc)
> +static void dpu_encoder_virt_atomic_enable(struct drm_encoder *drm_enc,
> +					struct drm_atomic_state *state)
>   {
>   	struct dpu_encoder_virt *dpu_enc = NULL;
>   	int ret = 0;
> @@ -1166,7 +1167,8 @@ static void dpu_encoder_virt_enable(struct drm_encoder *drm_enc)
>   	mutex_unlock(&dpu_enc->enc_lock);
>   }
>   
> -static void dpu_encoder_virt_disable(struct drm_encoder *drm_enc)
> +static void dpu_encoder_virt_atomic_disable(struct drm_encoder *drm_enc,
> +					struct drm_atomic_state *state)
>   {
>   	struct dpu_encoder_virt *dpu_enc = NULL;
>   	int i = 0;
> @@ -2320,8 +2322,8 @@ static void dpu_encoder_frame_done_timeout(struct timer_list *t)
>   
>   static const struct drm_encoder_helper_funcs dpu_encoder_helper_funcs = {
>   	.atomic_mode_set = dpu_encoder_virt_atomic_mode_set,
> -	.disable = dpu_encoder_virt_disable,
> -	.enable = dpu_encoder_virt_enable,
> +	.atomic_disable = dpu_encoder_virt_atomic_disable,
> +	.atomic_enable = dpu_encoder_virt_atomic_enable,
>   	.atomic_check = dpu_encoder_virt_atomic_check,
>   };
>   


-- 
With best wishes
Dmitry