[PATCH 17/27] drm: bridge: dw-hdmi: Constify mode argument to internal functions

[Neil Armstrong]

On 26/05/2020 03:14, Laurent Pinchart wrote:
> Several internal functions take a drm_display_mode argument to configure
> the HDMI encoder or the HDMI PHY. They must not modify the mode, make
> the pointer const to enforce that.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> ---
>  drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> index 6e6a3d95e68e..5b5f07a23400 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> @@ -1628,7 +1628,8 @@ static void hdmi_tx_hdcp_config(struct dw_hdmi *hdmi)
>  		  HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_MASK, HDMI_A_HDCPCFG1);
>  }
>  
> -static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
> +static void hdmi_config_AVI(struct dw_hdmi *hdmi,
> +			    const struct drm_display_mode *mode)
>  {
>  	struct hdmi_avi_infoframe frame;
>  	u8 val;
> @@ -1756,7 +1757,7 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
>  }
>  
>  static void hdmi_config_vendor_specific_infoframe(struct dw_hdmi *hdmi,
> -						 struct drm_display_mode *mode)
> +						  const struct drm_display_mode *mode)
>  {
>  	struct hdmi_vendor_infoframe frame;
>  	u8 buffer[10];
> @@ -2112,7 +2113,8 @@ static void hdmi_disable_overflow_interrupts(struct dw_hdmi *hdmi)
>  		    HDMI_IH_MUTE_FC_STAT2);
>  }
>  
> -static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
> +static int dw_hdmi_setup(struct dw_hdmi *hdmi,
> +			 const struct drm_display_mode *mode)
>  {
>  	int ret;
>  
> 

Reviewed-by: Neil Armstrong <narmstrong at baylibre.com>