392 static u32 intel_hpd_hotplug_mask(struct drm_i915_private *i915,  in intel_hpd_hotplug_mask()  argument
404 static u32 intel_hpd_hotplug_enables(struct drm_i915_private *i915,  in intel_hpd_hotplug_enables()  argument
410 	for_each_intel_encoder(&i915->drm, encoder)  in intel_hpd_hotplug_enables()
515 void xelpdp_pica_irq_handler(struct drm_i915_private *i915, u32 iir)  in xelpdp_pica_irq_handler()  argument
517 	struct intel_display *display = &i915->display;  in xelpdp_pica_irq_handler()
523 	if (DISPLAY_VER(i915) >= 20)  in xelpdp_pica_irq_handler()
529 		if (!(i915->display.hotplug.hpd[pin] & hotplug_trigger))  in xelpdp_pica_irq_handler()
534 		val = intel_de_read(i915, XELPDP_PORT_HOTPLUG_CTL(pin));  in xelpdp_pica_irq_handler()
535 		intel_de_write(i915, XELPDP_PORT_HOTPLUG_CTL(pin), val);  in xelpdp_pica_irq_handler()
542 		drm_dbg(&i915->drm,  in xelpdp_pica_irq_handler()
546 		intel_hpd_irq_handler(i915, pin_mask, long_mask);  in xelpdp_pica_irq_handler()
553 		drm_err(&i915->drm,  in xelpdp_pica_irq_handler()
714 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in ibx_hotplug_enables()  local
722 		return HAS_PCH_LPT_LP(i915) ?  in ibx_hotplug_enables()
752 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in ibx_hpd_enable_detection()  local
754 	intel_uncore_rmw(&i915->uncore, PCH_PORT_HOTPLUG,  in ibx_hpd_enable_detection()
818 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in icp_ddi_hpd_enable_detection()  local
820 	intel_uncore_rmw(&i915->uncore, SHOTPLUG_CTL_DDI,  in icp_ddi_hpd_enable_detection()
834 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in icp_tc_hpd_enable_detection()  local
836 	intel_uncore_rmw(&i915->uncore, SHOTPLUG_CTL_TC,  in icp_tc_hpd_enable_detection()
886 static void dg1_hpd_invert(struct drm_i915_private *i915)  in dg1_hpd_invert()  argument
892 	intel_uncore_rmw(&i915->uncore, SOUTH_CHICKEN1, 0, val);  in dg1_hpd_invert()
897 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in dg1_hpd_enable_detection()  local
899 	dg1_hpd_invert(i915);  in dg1_hpd_enable_detection()
918 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in gen11_tc_hpd_enable_detection()  local
920 	intel_uncore_rmw(&i915->uncore, GEN11_TC_HOTPLUG_CTL,  in gen11_tc_hpd_enable_detection()
934 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in gen11_tbt_hpd_enable_detection()  local
936 	intel_uncore_rmw(&i915->uncore, GEN11_TBT_HOTPLUG_CTL,  in gen11_tbt_hpd_enable_detection()
943 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in gen11_hpd_enable_detection()  local
948 	if (INTEL_PCH_TYPE(i915) >= PCH_ICP)  in gen11_hpd_enable_detection()
1004 static void mtp_ddi_hpd_detection_setup(struct drm_i915_private *i915)  in mtp_ddi_hpd_detection_setup()  argument
1006 	intel_de_rmw(i915, SHOTPLUG_CTL_DDI,  in mtp_ddi_hpd_detection_setup()
1007 		     intel_hpd_hotplug_mask(i915, mtp_ddi_hotplug_mask),  in mtp_ddi_hpd_detection_setup()
1008 		     intel_hpd_hotplug_enables(i915, mtp_ddi_hotplug_enables));  in mtp_ddi_hpd_detection_setup()
1013 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in mtp_ddi_hpd_enable_detection()  local
1015 	intel_de_rmw(i915, SHOTPLUG_CTL_DDI,  in mtp_ddi_hpd_enable_detection()
1020 static void mtp_tc_hpd_detection_setup(struct drm_i915_private *i915)  in mtp_tc_hpd_detection_setup()  argument
1022 	intel_de_rmw(i915, SHOTPLUG_CTL_TC,  in mtp_tc_hpd_detection_setup()
1023 		     intel_hpd_hotplug_mask(i915, mtp_tc_hotplug_mask),  in mtp_tc_hpd_detection_setup()
1024 		     intel_hpd_hotplug_enables(i915, mtp_tc_hotplug_enables));  in mtp_tc_hpd_detection_setup()
1029 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in mtp_tc_hpd_enable_detection()  local
1031 	intel_de_rmw(i915, SHOTPLUG_CTL_DDI,  in mtp_tc_hpd_enable_detection()
1036 static void mtp_hpd_invert(struct drm_i915_private *i915)  in mtp_hpd_invert()  argument
1047 	intel_de_rmw(i915, SOUTH_CHICKEN1, 0, val);  in mtp_hpd_invert()
1052 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in mtp_hpd_enable_detection()  local
1054 	mtp_hpd_invert(i915);  in mtp_hpd_enable_detection()
1059 static void mtp_hpd_irq_setup(struct drm_i915_private *i915)  in mtp_hpd_irq_setup()  argument
1063 	enabled_irqs = intel_hpd_enabled_irqs(i915, i915->display.hotplug.pch_hpd);  in mtp_hpd_irq_setup()
1064 	hotplug_irqs = intel_hpd_hotplug_irqs(i915, i915->display.hotplug.pch_hpd);  in mtp_hpd_irq_setup()
1070 	intel_de_write(i915, SHPD_FILTER_CNT, SHPD_FILTER_CNT_250);  in mtp_hpd_irq_setup()
1072 	mtp_hpd_invert(i915);  in mtp_hpd_irq_setup()
1073 	ibx_display_interrupt_update(i915, hotplug_irqs, enabled_irqs);  in mtp_hpd_irq_setup()
1075 	mtp_ddi_hpd_detection_setup(i915);  in mtp_hpd_irq_setup()
1076 	mtp_tc_hpd_detection_setup(i915);  in mtp_hpd_irq_setup()
1079 static void xe2lpd_sde_hpd_irq_setup(struct drm_i915_private *i915)  in xe2lpd_sde_hpd_irq_setup()  argument
1083 	enabled_irqs = intel_hpd_enabled_irqs(i915, i915->display.hotplug.pch_hpd);  in xe2lpd_sde_hpd_irq_setup()
1084 	hotplug_irqs = intel_hpd_hotplug_irqs(i915, i915->display.hotplug.pch_hpd);  in xe2lpd_sde_hpd_irq_setup()
1086 	ibx_display_interrupt_update(i915, hotplug_irqs, enabled_irqs);  in xe2lpd_sde_hpd_irq_setup()
1088 	mtp_ddi_hpd_detection_setup(i915);  in xe2lpd_sde_hpd_irq_setup()
1089 	mtp_tc_hpd_detection_setup(i915);  in xe2lpd_sde_hpd_irq_setup()
1097 static void _xelpdp_pica_hpd_detection_setup(struct drm_i915_private *i915,  in _xelpdp_pica_hpd_detection_setup()  argument
1106 	intel_de_rmw(i915, XELPDP_PORT_HOTPLUG_CTL(hpd_pin),  in _xelpdp_pica_hpd_detection_setup()
1112 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in xelpdp_pica_hpd_enable_detection()  local
1114 	_xelpdp_pica_hpd_detection_setup(i915, encoder->hpd_pin, true);  in xelpdp_pica_hpd_enable_detection()
1117 static void xelpdp_pica_hpd_detection_setup(struct drm_i915_private *i915)  in xelpdp_pica_hpd_detection_setup()  argument
1125 	for_each_intel_encoder(&i915->drm, encoder)  in xelpdp_pica_hpd_detection_setup()
1129 		_xelpdp_pica_hpd_detection_setup(i915, pin, available_pins & BIT(pin));  in xelpdp_pica_hpd_detection_setup()
1138 static void xelpdp_hpd_irq_setup(struct drm_i915_private *i915)  in xelpdp_hpd_irq_setup()  argument
1142 	enabled_irqs = intel_hpd_enabled_irqs(i915, i915->display.hotplug.hpd);  in xelpdp_hpd_irq_setup()
1143 	hotplug_irqs = intel_hpd_hotplug_irqs(i915, i915->display.hotplug.hpd);  in xelpdp_hpd_irq_setup()
1145 	intel_de_rmw(i915, PICAINTERRUPT_IMR, hotplug_irqs,  in xelpdp_hpd_irq_setup()
1147 	intel_uncore_posting_read(&i915->uncore, PICAINTERRUPT_IMR);  in xelpdp_hpd_irq_setup()
1149 	xelpdp_pica_hpd_detection_setup(i915);  in xelpdp_hpd_irq_setup()
1151 	if (INTEL_PCH_TYPE(i915) >= PCH_LNL)  in xelpdp_hpd_irq_setup()
1152 		xe2lpd_sde_hpd_irq_setup(i915);  in xelpdp_hpd_irq_setup()
1153 	else if (INTEL_PCH_TYPE(i915) >= PCH_MTL)  in xelpdp_hpd_irq_setup()
1154 		mtp_hpd_irq_setup(i915);  in xelpdp_hpd_irq_setup()
1213 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in spt_hpd_enable_detection()  local
1216 	if (HAS_PCH_CNP(i915)) {  in spt_hpd_enable_detection()
1217 		intel_uncore_rmw(&i915->uncore, SOUTH_CHICKEN1,  in spt_hpd_enable_detection()
1222 	intel_uncore_rmw(&i915->uncore, PCH_PORT_HOTPLUG,  in spt_hpd_enable_detection()
1226 	intel_uncore_rmw(&i915->uncore, PCH_PORT_HOTPLUG2,  in spt_hpd_enable_detection()
1282 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in ilk_hpd_enable_detection()  local
1284 	intel_uncore_rmw(&i915->uncore, DIGITAL_PORT_HOTPLUG_CNTRL,  in ilk_hpd_enable_detection()
1356 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in bxt_hpd_enable_detection()  local
1358 	intel_uncore_rmw(&i915->uncore, PCH_PORT_HOTPLUG,  in bxt_hpd_enable_detection()
1375 static void g45_hpd_peg_band_gap_wa(struct drm_i915_private *i915)  in g45_hpd_peg_band_gap_wa()  argument
1382 	intel_de_rmw(i915, PEG_BAND_GAP_DATA, 0xf, 0xd);  in g45_hpd_peg_band_gap_wa()
1387 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in i915_hpd_enable_detection()  local
1390 	if (IS_G45(i915))  in i915_hpd_enable_detection()
1391 		g45_hpd_peg_band_gap_wa(i915);  in i915_hpd_enable_detection()
1394 	i915_hotplug_interrupt_update(i915, hotplug_en, hotplug_en);  in i915_hpd_enable_detection()
1429 	void (*hpd_irq_setup)(struct drm_i915_private *i915);
1440 HPD_FUNCS(i915);
1452 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);  in intel_hpd_enable_detection()  local
1454 	if (i915->display.funcs.hotplug)  in intel_hpd_enable_detection()
1455 		i915->display.funcs.hotplug->hpd_enable_detection(encoder);  in intel_hpd_enable_detection()
1458 void intel_hpd_irq_setup(struct drm_i915_private *i915)  in intel_hpd_irq_setup()  argument
1460 	if ((IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) &&  in intel_hpd_irq_setup()
1461 	    !i915->display.irq.vlv_display_irqs_enabled)  in intel_hpd_irq_setup()
1464 	if (i915->display.funcs.hotplug)  in intel_hpd_irq_setup()
1465 		i915->display.funcs.hotplug->hpd_irq_setup(i915);  in intel_hpd_irq_setup()
1468 void intel_hotplug_irq_init(struct drm_i915_private *i915)  in intel_hotplug_irq_init()  argument
1470 	intel_hpd_init_pins(i915);  in intel_hotplug_irq_init()
1472 	intel_hpd_init_early(i915);  in intel_hotplug_irq_init()
1474 	if (HAS_GMCH(i915)) {  in intel_hotplug_irq_init()
1475 		if (I915_HAS_HOTPLUG(i915))  in intel_hotplug_irq_init()
1476 			i915->display.funcs.hotplug = &i915_hpd_funcs;  in intel_hotplug_irq_init()
1478 		if (HAS_PCH_DG2(i915))  in intel_hotplug_irq_init()
1479 			i915->display.funcs.hotplug = &icp_hpd_funcs;  in intel_hotplug_irq_init()
1480 		else if (HAS_PCH_DG1(i915))  in intel_hotplug_irq_init()
1481 			i915->display.funcs.hotplug = &dg1_hpd_funcs;  in intel_hotplug_irq_init()
1482 		else if (DISPLAY_VER(i915) >= 14)  in intel_hotplug_irq_init()
1483 			i915->display.funcs.hotplug = &xelpdp_hpd_funcs;  in intel_hotplug_irq_init()
1484 		else if (DISPLAY_VER(i915) >= 11)  in intel_hotplug_irq_init()
1485 			i915->display.funcs.hotplug = &gen11_hpd_funcs;  in intel_hotplug_irq_init()
1486 		else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915))  in intel_hotplug_irq_init()
1487 			i915->display.funcs.hotplug = &bxt_hpd_funcs;  in intel_hotplug_irq_init()
1488 		else if (INTEL_PCH_TYPE(i915) >= PCH_ICP)  in intel_hotplug_irq_init()
1489 			i915->display.funcs.hotplug = &icp_hpd_funcs;  in intel_hotplug_irq_init()
1490 		else if (INTEL_PCH_TYPE(i915) >= PCH_SPT)  in intel_hotplug_irq_init()
1491 			i915->display.funcs.hotplug = &spt_hpd_funcs;  in intel_hotplug_irq_init()
1493 			i915->display.funcs.hotplug = &ilk_hpd_funcs;  in intel_hotplug_irq_init()