drm/i915/tgl: handle DP aux interrupts

For Tiger Lake the DE Port Interrupt Definition bits changed, so use the
new bit definitions.

Cc: Jose Souza <jose.souza@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190713010940.17711-7-lucas.demarchi@intel.com
Link: https://patchwork.freedesktop.org/patch/msgid/20190725234813.27179-4-lucas.demarchi@intel.com

drivers/gpu/drm/i915/i915_irq.c

@@ -2951,19 +2951,25 @@ static void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir)
 
 static u32 gen8_de_port_aux_mask(struct drm_i915_private *dev_priv)
 {
-	u32 mask = GEN8_AUX_CHANNEL_A;
+	u32 mask;
+
+	if (INTEL_GEN(dev_priv) >= 12)
+		/* TODO: Add AUX entries for USBC */
+		return TGL_DE_PORT_AUX_DDIA |
+			TGL_DE_PORT_AUX_DDIB |
+			TGL_DE_PORT_AUX_DDIC;
 
+	mask = GEN8_AUX_CHANNEL_A;
 	if (INTEL_GEN(dev_priv) >= 9)
 		mask |= GEN9_AUX_CHANNEL_B |
 			GEN9_AUX_CHANNEL_C |
 			GEN9_AUX_CHANNEL_D;
 
-	if (IS_CNL_WITH_PORT_F(dev_priv))
+	if (IS_CNL_WITH_PORT_F(dev_priv) || IS_GEN(dev_priv, 11))
 		mask |= CNL_AUX_CHANNEL_F;
 
-	if (INTEL_GEN(dev_priv) >= 11)
-		mask |= ICL_AUX_CHANNEL_E |
-			CNL_AUX_CHANNEL_F;
+	if (IS_GEN(dev_priv, 11))
+		mask |= ICL_AUX_CHANNEL_E;
 
 	return mask;
 }

drivers/gpu/drm/i915/i915_reg.h

@@ -7418,6 +7418,9 @@ enum {
 #define  GEN8_PORT_DP_A_HOTPLUG		(1 << 3)
 #define  BXT_DE_PORT_GMBUS		(1 << 1)
 #define  GEN8_AUX_CHANNEL_A		(1 << 0)
+#define  TGL_DE_PORT_AUX_DDIC		(1 << 2)
+#define  TGL_DE_PORT_AUX_DDIB		(1 << 1)
+#define  TGL_DE_PORT_AUX_DDIA		(1 << 0)
 
 #define GEN8_DE_MISC_ISR _MMIO(0x44460)
 #define GEN8_DE_MISC_IMR _MMIO(0x44464)