drm/i915: Make hpd debug messages less cryptic

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@linux.intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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 f0d24db76e72..36eb1f234608 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 3b88255d87dc..def55cdfef25 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -4041,7 +4041,8 @@ 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) {