From b2c5c181ed18490648a02f8c7d562a3b9e8b96de Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Fri, 23 Jan 2015 06:00:31 +0100 Subject: [PATCH] drm/i915: Use symbolic irqreturn for ->hpd_pulse Self-explanatory code is better code. Cc: Dave Airlie Signed-off-by: Daniel Vetter Reviewed-by: Jani Nikula Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_irq.c | 8 +++++--- drivers/gpu/drm/i915/intel_dp.c | 8 +++++--- drivers/gpu/drm/i915/intel_drv.h | 6 +++--- 3 files changed, 13 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 25b2299bc534..2399eaed2ca3 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -879,7 +879,7 @@ static void i915_digport_work_func(struct work_struct *work) container_of(work, struct drm_i915_private, dig_port_work); u32 long_port_mask, short_port_mask; struct intel_digital_port *intel_dig_port; - int i, ret; + int i; u32 old_bits = 0; spin_lock_irq(&dev_priv->irq_lock); @@ -903,9 +903,11 @@ static void i915_digport_work_func(struct work_struct *work) valid = true; if (valid) { + enum irqreturn ret; + ret = intel_dig_port->hpd_pulse(intel_dig_port, long_hpd); - if (ret == true) { - /* if we get true fallback to old school hpd */ + if (ret == IRQ_NONE) { + /* fall back to old school hpd */ old_bits |= (1 << intel_dig_port->base.hpd_pin); } } diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index b38d737b6618..081eb3687190 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4421,7 +4421,7 @@ intel_dp_hot_plug(struct intel_encoder *intel_encoder) return; } -bool +enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) { struct intel_dp *intel_dp = &intel_dig_port->dp; @@ -4429,7 +4429,7 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) struct drm_device *dev = intel_dig_port->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; enum intel_display_power_domain power_domain; - bool ret = true; + enum irqreturn ret = IRQ_NONE; if (intel_dig_port->base.type != INTEL_OUTPUT_EDP) intel_dig_port->base.type = INTEL_OUTPUT_DISPLAYPORT; @@ -4488,7 +4488,9 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) drm_modeset_unlock(&dev->mode_config.connection_mutex); } } - ret = false; + + ret = IRQ_HANDLED; + goto put_power; mst_fail: /* if we were in MST mode, and device is not there get out of MST mode */ diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index e957d4d938e7..04182ddc0927 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -650,7 +650,7 @@ struct intel_digital_port { u32 saved_port_bits; struct intel_dp dp; struct intel_hdmi hdmi; - bool (*hpd_pulse)(struct intel_digital_port *, bool); + enum irqreturn (*hpd_pulse)(struct intel_digital_port *, bool); }; struct intel_dp_mst_encoder { @@ -1008,8 +1008,8 @@ int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc); bool intel_dp_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config); bool intel_dp_is_edp(struct drm_device *dev, enum port port); -bool intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, - bool long_hpd); +enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, + bool long_hpd); void intel_edp_backlight_on(struct intel_dp *intel_dp); void intel_edp_backlight_off(struct intel_dp *intel_dp); void intel_edp_panel_vdd_on(struct intel_dp *intel_dp); -- 2.20.1