From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jani Nikula <jani.nikula@linux.intel.com>
Subject: Re: [PATCH 2/3] drm/i915: Introduce new
	intel_output_name()
Date: Wed, 08 Jan 2014 11:51:00 +0200
Message-ID: <87r48iby4b.fsf@intel.com>
References: <1389113755-2021-1-git-send-email-przanoni@gmail.com>
	<1389113755-2021-2-git-send-email-przanoni@gmail.com>
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To: Paulo Zanoni <przanoni@gmail.com>, intel-gfx@lists.freedesktop.org
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On Tue, 07 Jan 2014, Paulo Zanoni <przanoni@gmail.com> wrote:
> From: Damien Lespiau <damien.lespiau@intel.com>
>
> That we can use for debugging purposes.
>
> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 13 +++++++++++++
>  drivers/gpu/drm/i915/intel_drv.h     |  1 +
>  2 files changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 7cc67b3..034952c 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -10253,6 +10253,19 @@ static bool has_edp_a(struct drm_device *dev)
>  	return true;
>  }
>  
> +const char *intel_output_name(int output)
> +{
> +	static const char *names[] = {
> +		"Unused", "Analog", "DVO", "SDVO", "LVDS", "TV", "HDMI",
> +		"DisplayPort", "eDP", "DSI", "Unknown"

Please initialize this with designated initializers:

		[INTEL_OUTPUT_UNUSED] = "Unused",
                [INTEL_OUTPUT_ANALOG] = "Analog",
		...

> +	};
> +
> +	if (output < 0 || output >= ARRAY_SIZE(names))

and also check for names[output] != NULL here (just to be defensive with
the designated initializers).

BR,
Jani.

> +		return "Invalid";
> +
> +	return names[output];
> +}
> +
>  static void intel_setup_outputs(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 46aea6c..25bbbb5 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -625,6 +625,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
>  
>  
>  /* intel_display.c */
> +const char *intel_output_name(int output);
>  int intel_pch_rawclk(struct drm_device *dev);
>  void intel_mark_busy(struct drm_device *dev);
>  void intel_mark_fb_busy(struct drm_i915_gem_object *obj,
> -- 
> 1.8.4.2
>
> _______________________________________________
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-- 
Jani Nikula, Intel Open Source Technology Center