[Intel-gfx] [PATCH] drm/i915: Include more information in disabled hotplug interrupt warning

Chris Wilson chris at chris-wilson.co.uk
Fri Jan 10 21:17:07 CET 2014


Daniel thought that this was an opportune moment to include which pins
and bits ended up being stuck in the WARN.

Suggested-by: Daniel Vetter <daniel at ffwll.ch>
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_irq.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index b38a375fc48f..7818a57f2fa4 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1249,7 +1249,8 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev,
 
 		WARN_ONCE(hpd[i] & hotplug_trigger &&
 			  dev_priv->hpd_stats[i].hpd_mark == HPD_DISABLED,
-			  "Received HPD interrupt although disabled\n");
+			  "Received HPD interrupt (0x%08x) on pin %d (0x%08x) although disabled\n",
+			  hotplug_trigger, i, hpd[i]);
 
 		if (!(hpd[i] & hotplug_trigger) ||
 		    dev_priv->hpd_stats[i].hpd_mark != HPD_ENABLED)
-- 
1.8.5.2




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