[Intel-gfx] [PATCH] drm/i915: Make hpd debug messages less cryptic

[Damien Lespiau]

On Mon, Aug 11, 2014 at 06:37:37PM +0300, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Don't print raw numbers, use port_name() and tell the user whether it's
> long or short without having to figure out what the other magic number
> means.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Damien Lespiau <damien.lespiau at intel.com>

-- 
Damien

> ---
>  drivers/gpu/drm/i915/i915_irq.c | 4 +++-
>  drivers/gpu/drm/i915/intel_dp.c | 3 ++-
>  2 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 8e6729e..4a86fc5 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -1777,7 +1777,9 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev,
>  				long_hpd = (dig_hotplug_reg >> dig_shift) & PORTB_HOTPLUG_LONG_DETECT;
>  			}
>  
> -			DRM_DEBUG_DRIVER("digital hpd port %d %d\n", port, long_hpd);
> +			DRM_DEBUG_DRIVER("digital hpd port %c - %s\n",
> +					 port_name(port),
> +					 long_hpd ? "long" : "short");
>  			/* for long HPD pulses we want to have the digital queue happen,
>  			   but we still want HPD storm detection to function. */
>  			if (long_hpd) {
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 34e3c47..e5ada4f 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -4043,7 +4043,8 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
>  	if (intel_dig_port->base.type != INTEL_OUTPUT_EDP)
>  		intel_dig_port->base.type = INTEL_OUTPUT_DISPLAYPORT;
>  
> -	DRM_DEBUG_KMS("got hpd irq on port %d - %s\n", intel_dig_port->port,
> +	DRM_DEBUG_KMS("got hpd irq on port %c - %s\n",
> +		      port_name(intel_dig_port->port),
>  		      long_hpd ? "long" : "short");
>  
>  	if (long_hpd) {
> -- 
> 1.8.5.5
> 
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