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drm/i915: Only complain about a rogue hotplug IRQ after disabling

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Disabling the hotplug IRQ is a two-step process. First, inside the IRQ
handler we mark the rogue hotplug pin for disabling. Then later in the
hotplug worker, we actually disable the hotplug pin. So we should not
WARN about the rogue hotplug IRQ being sent until after we have
completed disabling the pin.

References: https://bugzilla.redhat.com/show_bug.cgi?id=1051170
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2014-01-10 18:49:21 +00:00 committed by Daniel Vetter
parent 3432087ef8
commit 8b5565b878
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_irq.c
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@ -1234,7 +1234,7 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev,
for (i = 1; i < HPD_NUM_PINS; i++) {
WARN_ONCE(hpd[i] & hotplug_trigger &&
dev_priv->hpd_stats[i].hpd_mark != HPD_ENABLED,
dev_priv->hpd_stats[i].hpd_mark == HPD_DISABLED,
"Received HPD interrupt although disabled\n");
if (!(hpd[i] & hotplug_trigger) ||