diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index eea9e36..a74aaf9 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -3521,8 +3521,6 @@ intel_dp_link_down(struct intel_dp *intel_dp) enum port port = intel_dig_port->port; struct drm_device *dev = intel_dig_port->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_crtc *intel_crtc = - to_intel_crtc(intel_dig_port->base.base.crtc); uint32_t DP = intel_dp->DP; if (WARN_ON(HAS_DDI(dev))) @@ -3547,8 +3545,6 @@ intel_dp_link_down(struct intel_dp *intel_dp) if (HAS_PCH_IBX(dev) && I915_READ(intel_dp->output_reg) & DP_PIPEB_SELECT) { - struct drm_crtc *crtc = intel_dig_port->base.base.crtc; - /* Hardware workaround: leaving our transcoder select * set to transcoder B while it's off will prevent the * corresponding HDMI output on transcoder A. @@ -3559,18 +3555,7 @@ intel_dp_link_down(struct intel_dp *intel_dp) */ DP &= ~DP_PIPEB_SELECT; I915_WRITE(intel_dp->output_reg, DP); - - /* Changes to enable or select take place the vblank - * after being written. - */ - if (WARN_ON(crtc == NULL)) { - /* We should never try to disable a port without a crtc - * attached. For paranoia keep the code around for a - * bit. */ - POSTING_READ(intel_dp->output_reg); - msleep(50); - } else - intel_wait_for_vblank(dev, intel_crtc->pipe); + POSTING_READ(intel_dp->output_reg); } DP &= ~DP_AUDIO_OUTPUT_ENABLE; @@ -4446,7 +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", |