Re: [PATCH v4 1/9] drm: Remove duplicate drm_mode_cea_vic()

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Thu, Feb 21, 2013 at 03:50:10PM +0100, Thierry Reding wrote:
> The same function had already been merged with a different name. Remove
> the duplicate one but reuse some of its kerneldoc fragments for the
> existing implementation.

We have a few more uses of this in i915 since my RGB quant range
stuff got merged.

> 
> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
> ---
> Changes in v4:
> - replace drm_mode_cea_vic() usage in i915 HDMI code
> - move to front of patch series
> 
>  drivers/gpu/drm/drm_edid.c        | 30 +++++++-----------------------
>  drivers/gpu/drm/i915/intel_hdmi.c |  2 +-
>  include/drm/drm_crtc.h            |  3 +--
>  3 files changed, 9 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index 67aa0dd..02da919 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -1516,11 +1516,14 @@ u8 *drm_find_cea_extension(struct edid *edid)
>  }
>  EXPORT_SYMBOL(drm_find_cea_extension);
>  
> -/*
> - * Looks for a CEA mode matching given drm_display_mode.
> - * Returns its CEA Video ID code, or 0 if not found.
> +/**
> + * drm_match_cea_mode - look for a CEA mode matching given mode
> + * @to_match: display mode
> + *
> + * Returns the CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
> + * mode.
>   */
> -u8 drm_match_cea_mode(struct drm_display_mode *to_match)
> +u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
>  {
>  	struct drm_display_mode *cea_mode;
>  	u8 mode;
> @@ -2114,22 +2117,3 @@ int drm_add_modes_noedid(struct drm_connector *connector,
>  	return num_modes;
>  }
>  EXPORT_SYMBOL(drm_add_modes_noedid);
> -
> -/**
> - * drm_mode_cea_vic - return the CEA-861 VIC of a given mode
> - * @mode: mode
> - *
> - * RETURNS:
> - * The VIC number, 0 in case it's not a CEA-861 mode.
> - */
> -uint8_t drm_mode_cea_vic(const struct drm_display_mode *mode)
> -{
> -	uint8_t i;
> -
> -	for (i = 0; i < drm_num_cea_modes; i++)
> -		if (drm_mode_equal(mode, &edid_cea_modes[i]))
> -			return i + 1;
> -
> -	return 0;
> -}
> -EXPORT_SYMBOL(drm_mode_cea_vic);
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> index 3ea0c8b..75d5152 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -348,7 +348,7 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
>  			avi_if.body.avi.ITC_EC_Q_SC |= DIP_AVI_RGB_QUANT_RANGE_FULL;
>  	}
>  
> -	avi_if.body.avi.VIC = drm_mode_cea_vic(adjusted_mode);
> +	avi_if.body.avi.VIC = drm_match_cea_mode(adjusted_mode);
>  
>  	intel_set_infoframe(encoder, &avi_if);
>  }
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index 8b77627..7762718 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -1061,7 +1061,7 @@ extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
>  extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
>  				    void *data, struct drm_file *file_priv);
>  extern u8 *drm_find_cea_extension(struct edid *edid);
> -extern u8 drm_match_cea_mode(struct drm_display_mode *to_match);
> +extern u8 drm_match_cea_mode(const struct drm_display_mode *to_match);
>  extern bool drm_detect_hdmi_monitor(struct edid *edid);
>  extern bool drm_detect_monitor_audio(struct edid *edid);
>  extern bool drm_rgb_quant_range_selectable(struct edid *edid);
> @@ -1079,7 +1079,6 @@ extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
>  				int GTF_2C, int GTF_K, int GTF_2J);
>  extern int drm_add_modes_noedid(struct drm_connector *connector,
>  				int hdisplay, int vdisplay);
> -extern uint8_t drm_mode_cea_vic(const struct drm_display_mode *mode);
>  
>  extern int drm_edid_header_is_valid(const u8 *raw_edid);
>  extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid);
> -- 
> 1.8.1.2

-- 
Ville Syrjälä
Intel OTC