From a8b3d52f8bc24b1c1bf7711bcf3e21fe0aaa752c Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Tue, 10 Feb 2015 14:11:46 +0200 Subject: [PATCH] drm/i915: Really ignore long HPD pulses on eDP MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 b2c5c181ed18490648a02f8c7d562a3b9e8b96de Author: Daniel Vetter Date: Fri Jan 23 06:00:31 2015 +0100 drm/i915: Use symbolic irqreturn for ->hpd_pulse Cc: Daniel Vetter Cc: Jani Nikula Reviewed-by: Daniel Vetter Signed-off-by: Ville Syrjälä Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/intel_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index d4c82d776fba..a74aaf9242b9 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -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", -- 2.11.0