Re: [PATCH 40/48] drm: omapdrm: dsi: Don't pass channel to dispc init/uninit functions

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Hi,

On Fri, Oct 13, 2017 at 05:59:36PM +0300, Laurent Pinchart wrote:
> The dsi_display_init_dispc() and dsi_display_uninit_dispc() functions
> take a channel argument that is reduntant as it is always identical to
> the dsi->output.dispc_channel. Remove the argument and use the field
> directly in the functions to avoid misuse.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>

-- Sebastian

>  drivers/gpu/drm/omapdrm/dss/dsi.c | 21 ++++++++++-----------
>  1 file changed, 10 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
> index 9be26eb262f3..d1cc036ed280 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dsi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
> @@ -217,10 +217,8 @@ struct dsi_reg { u16 module; u16 idx; };
>  typedef void (*omap_dsi_isr_t) (void *arg, u32 mask);
>  struct dsi_data;
>  
> -static int dsi_display_init_dispc(struct dsi_data *dsi,
> -	enum omap_channel channel);
> -static void dsi_display_uninit_dispc(struct dsi_data *dsi,
> -	enum omap_channel channel);
> +static int dsi_display_init_dispc(struct dsi_data *dsi);
> +static void dsi_display_uninit_dispc(struct dsi_data *dsi);
>  
>  static int dsi_vc_send_null(struct dsi_data *dsi, int channel);
>  
> @@ -3847,7 +3845,7 @@ static int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
>  		return -ENODEV;
>  	}
>  
> -	r = dsi_display_init_dispc(dsi, dispc_channel);
> +	r = dsi_display_init_dispc(dsi);
>  	if (r)
>  		goto err_init_dispc;
>  
> @@ -3897,7 +3895,7 @@ static int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
>  		dsi_vc_enable(dsi, channel, false);
>  	}
>  err_pix_fmt:
> -	dsi_display_uninit_dispc(dsi, dispc_channel);
> +	dsi_display_uninit_dispc(dsi);
>  err_init_dispc:
>  	return r;
>  }
> @@ -3920,7 +3918,7 @@ static void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel
>  
>  	dss_mgr_disable(dispc_channel);
>  
> -	dsi_display_uninit_dispc(dsi, dispc_channel);
> +	dsi_display_uninit_dispc(dsi);
>  }
>  
>  static void dsi_update_screen_dispc(struct dsi_data *dsi)
> @@ -4106,9 +4104,9 @@ static int dsi_configure_dispc_clocks(struct dsi_data *dsi)
>  	return 0;
>  }
>  
> -static int dsi_display_init_dispc(struct dsi_data *dsi,
> -				  enum omap_channel channel)
> +static int dsi_display_init_dispc(struct dsi_data *dsi)
>  {
> +	enum omap_channel channel = dsi->output.dispc_channel;
>  	int r;
>  
>  	dss_select_lcd_clk_source(dsi->dss, channel, dsi->module_id == 0 ?
> @@ -4169,9 +4167,10 @@ static int dsi_display_init_dispc(struct dsi_data *dsi,
>  	return r;
>  }
>  
> -static void dsi_display_uninit_dispc(struct dsi_data *dsi,
> -				     enum omap_channel channel)
> +static void dsi_display_uninit_dispc(struct dsi_data *dsi)
>  {
> +	enum omap_channel channel = dsi->output.dispc_channel;
> +
>  	if (dsi->mode == OMAP_DSS_DSI_CMD_MODE)
>  		dss_mgr_unregister_framedone_handler(channel,
>  				dsi_framedone_irq_callback, dsi);
> -- 
> Regards,
> 
> Laurent Pinchart
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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