linux-kernel - Re: [PATCH v3 2/2] drm/msm/dpu: remove struct drm_dsc_config from struct msm_display

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Message-ID: <c3cf57b5-15fb-4612-eb3b-52abd07ede8f@quicinc.com>
Date:   Tue, 13 Jun 2023 16:44:40 -0700
From:   Abhinav Kumar <quic_abhinavk@...cinc.com>
To:     Kuogee Hsieh <quic_khsieh@...cinc.com>,
        <dri-devel@...ts.freedesktop.org>, <robdclark@...il.com>,
        <sean@...rly.run>, <swboyd@...omium.org>, <dianders@...omium.org>,
        <vkoul@...nel.org>, <daniel@...ll.ch>, <airlied@...il.com>,
        <agross@...nel.org>, <dmitry.baryshkov@...aro.org>,
        <andersson@...nel.org>
CC:     <quic_sbillaka@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <marijn.suijten@...ainline.org>, <quic_jesszhan@...cinc.com>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/2] drm/msm/dpu: remove struct drm_dsc_config from
 struct msm_display_info



On 6/13/2023 3:19 PM, Kuogee Hsieh wrote:
> ince struct drm_dsc_config is stored at atomic_enable() instead
S got cut off in since
> of display setup time during boot up, saving struct drm_dsc_config
> at struct msm_display_info is not necessary. Lets drop the dsc member
> from struct msm_display_info.
> 
> Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
> ---
>   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 --
>   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 2 --
>   drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c     | 2 --
>   3 files changed, 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index e00cd39..50ce2ef 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -2309,8 +2309,6 @@ static int dpu_encoder_setup_display(struct dpu_encoder_virt *dpu_enc,
>   		dpu_enc->idle_pc_supported =
>   				dpu_kms->catalog->caps->has_idle_pc;
>   
> -	dpu_enc->dsc = disp_info->dsc;
> -
>   	mutex_lock(&dpu_enc->enc_lock);
>   	for (i = 0; i < disp_info->num_of_h_tiles && !ret; i++) {
>   		/*
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> index 90e1925..4c05fd5 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
> @@ -28,7 +28,6 @@
>    * @is_cmd_mode		Boolean to indicate if the CMD mode is requested
>    * @is_te_using_watchdog_timer:  Boolean to indicate watchdog TE is
>    *				 used instead of panel TE in cmd mode panels
> - * @dsc:		DSC configuration data for DSC-enabled displays
>    */
>   struct msm_display_info {
>   	enum dpu_intf_type intf_type;
> @@ -36,7 +35,6 @@ struct msm_display_info {
>   	uint32_t h_tile_instance[MAX_H_TILES_PER_DISPLAY];
>   	bool is_cmd_mode;
>   	bool is_te_using_watchdog_timer;
> -	struct drm_dsc_config *dsc;
>   };
>   
>   /**
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> index 613384b..5e77e09 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -544,8 +544,6 @@ static int _dpu_kms_initialize_dsi(struct drm_device *dev,
>   
>   		info.is_cmd_mode = msm_dsi_is_cmd_mode(priv->dsi[i]);
>   
> -		info.dsc = msm_dsi_get_dsc_config(priv->dsi[i]);
> -
>   		encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_DSI, &info);
>   		if (IS_ERR(encoder)) {
>   			DPU_ERROR("encoder init failed for dsi display\n");