[Intel-gfx] [PATCH 2/3 v2] drm/i915: Introduce new intel_output_name()

[Jani Nikula]

On Wed, 08 Jan 2014, Damien Lespiau <damien.lespiau at intel.com> wrote:
> That we can use for debugging purposes.
>
> v2: Use designated initializers for the 'names' array (Paulo Zanoni,
>     Jani Nikula).
>     Add a check in case the array has a hole (which can now remain
>     unnoticed with designated initializers) (Jani Nikula)
>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

> Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com> (for v1)
> Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 22 ++++++++++++++++++++++
>  drivers/gpu/drm/i915/intel_drv.h     |  1 +
>  2 files changed, 23 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index ba9d62e..40a6247 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -10261,6 +10261,28 @@ static bool has_edp_a(struct drm_device *dev)
>  	return true;
>  }
>  
> +const char *intel_output_name(int output)
> +{
> +	static const char *names[] = {
> +		[INTEL_OUTPUT_UNUSED] = "Unused",
> +		[INTEL_OUTPUT_ANALOG] = "Analog",
> +		[INTEL_OUTPUT_DVO] = "DVO",
> +		[INTEL_OUTPUT_SDVO] = "SDVO",
> +		[INTEL_OUTPUT_LVDS] = "LVDS",
> +		[INTEL_OUTPUT_TVOUT] = "TV",
> +		[INTEL_OUTPUT_HDMI] = "HDMI",
> +		[INTEL_OUTPUT_DISPLAYPORT] = "DisplayPort",
> +		[INTEL_OUTPUT_EDP] = "eDP",
> +		[INTEL_OUTPUT_DSI] = "DSI",
> +		[INTEL_OUTPUT_UNKNOWN] = "Unknown",
> +	};
> +
> +	if (output < 0 || output >= ARRAY_SIZE(names) || !names[output])
> +		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,
> -- 
> 1.8.3.1
>
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-- 
Jani Nikula, Intel Open Source Technology Center