From 53448aed7b805cf36ecc59ed5fe8e53815ce4fe8 Mon Sep 17 00:00:00 2001 From: Vivek Kasireddy Date: Thu, 10 Oct 2019 17:26:18 -0700 Subject: [PATCH] drm/i915/ehl: Port C's hotplug interrupt is associated with TC1 bits On platforms that have the MCC PCH, Port C's hotplug interrupt bits are mapped to TC1 bits. Suggested-by: Matt Roper Signed-off-by: Vivek Kasireddy Reviewed-by: Matt Roper Signed-off-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20191011002618.3087-1-vivek.kasireddy@intel.com --- drivers/gpu/drm/i915/display/intel_dp.c | 3 +++ drivers/gpu/drm/i915/i915_irq.c | 8 ++++---- 2 files changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 38aa09cfbed3..830c71e5c861 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5282,6 +5282,9 @@ static bool icl_combo_port_connected(struct drm_i915_private *dev_priv, { enum port port = intel_dig_port->base.port; + if (HAS_PCH_MCC(dev_priv) && port == PORT_C) + return I915_READ(SDEISR) & SDE_TC_HOTPLUG_ICP(PORT_TC1); + return I915_READ(SDEISR) & SDE_DDI_HOTPLUG_ICP(port); } diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 3af7f7914c40..a7c968b01af3 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2249,8 +2249,8 @@ static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir) tc_port_hotplug_long_detect = tgp_tc_port_hotplug_long_detect; pins = hpd_tgp; } else if (HAS_PCH_MCC(dev_priv)) { - ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_TGP; - tc_hotplug_trigger = 0; + ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP; + tc_hotplug_trigger = pch_iir & SDE_TC_HOTPLUG_ICP(PORT_TC1); pins = hpd_icp; } else { ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP; @@ -3377,8 +3377,8 @@ static void icp_hpd_irq_setup(struct drm_i915_private *dev_priv, static void mcc_hpd_irq_setup(struct drm_i915_private *dev_priv) { icp_hpd_irq_setup(dev_priv, - SDE_DDI_MASK_TGP, 0, - TGP_DDI_HPD_ENABLE_MASK, 0, + SDE_DDI_MASK_ICP, SDE_TC_HOTPLUG_ICP(PORT_TC1), + ICP_DDI_HPD_ENABLE_MASK, ICP_TC_HPD_ENABLE(PORT_TC1), hpd_icp); }