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path: root/drivers/gpu/drm/i915/intel_dp.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c19
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",
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