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Commit a8b3d52f authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Jani Nikula
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drm/i915: Really ignore long HPD pulses on eDP 



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 b2c5c181
 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: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 4ba7d93a

drivers/gpu/drm/i915/intel_dp.c

+1 −1
Original line number Diff line number Diff line
@@ -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",