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drm/i915: Really ignore long HPD pulses on eDP

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Return IRQ_HANDLED from intel_dp_hpd_pulse() to properly
ignore the long HPD pulse on eDP to avoid the never ending
VDD off->HPD->VDD on->VDD off->HPD... cycle.

This fixes a regression intoduced by
 commit b2c5c181ed
 Author: Daniel Vetter <daniel.vetter@ffwll.ch>
 Date:   Fri Jan 23 06:00:31 2015 +0100

    drm/i915: Use symbolic irqreturn for ->hpd_pulse

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2015-02-10 14:11:46 +02:00 committed by Jani Nikula
parent 4ba7d93afe
commit a8b3d52f8b
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_dp.c
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@ -4431,7 +4431,7 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
*/
DRM_DEBUG_KMS("ignoring long hpd on eDP port %c\n",
port_name(intel_dig_port->port));
return false;
return IRQ_HANDLED;
}
DRM_DEBUG_KMS("got hpd irq on port %c - %s\n",