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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>
This commit is contained in:
Ville Syrjälä 2014-08-11 18:37:37 +03:00 committed by Daniel Vetter
parent e94e37ad19
commit 26fbb77445
2 changed files with 5 additions and 2 deletions
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4
drivers/gpu/drm/i915/i915_irq.c
View File

@ -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) {

3
drivers/gpu/drm/i915/intel_dp.c
View File

@ -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) {