[PATCH 77/89] drm/amd/display: Add DCN3.1 IRQ manager
Alex Deucher
alexander.deucher at amd.com
Wed Jun 2 16:48:56 UTC 2021
From: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Add IRQ services for DCN3.1 to handle hardware generated interrupts.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/display/dc/irq/Makefile | 11 +
.../display/dc/irq/dcn31/irq_service_dcn31.c | 432 ++++++++++++++++++
.../display/dc/irq/dcn31/irq_service_dcn31.h | 37 ++
3 files changed, 480 insertions(+)
create mode 100644 drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.c
create mode 100644 drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.h
diff --git a/drivers/gpu/drm/amd/display/dc/irq/Makefile b/drivers/gpu/drm/amd/display/dc/irq/Makefile
index e9fabb85741f..ea4943c5d552 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/irq/Makefile
@@ -118,3 +118,14 @@ AMD_DAL_IRQ_DCN3_03 = $(addprefix $(AMDDALPATH)/dc/irq/dcn303/,$(IRQ_DCN3_03))
AMD_DISPLAY_FILES += $(AMD_DAL_IRQ_DCN3_03)
endif
+
+ifdef CONFIG_DRM_AMD_DC_DCN3_1
+###############################################################################
+# DCN 31
+###############################################################################
+IRQ_DCN31 = irq_service_dcn31.o
+
+AMD_DAL_IRQ_DCN31= $(addprefix $(AMDDALPATH)/dc/irq/dcn31/,$(IRQ_DCN31))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_IRQ_DCN31)
+endif
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.c b/drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.c
new file mode 100644
index 000000000000..38e0ade60c7b
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.c
@@ -0,0 +1,432 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dm_services.h"
+#include "include/logger_interface.h"
+#include "../dce110/irq_service_dce110.h"
+
+
+#include "yellow_carp_offset.h"
+#include "dcn/dcn_3_1_2_offset.h"
+#include "dcn/dcn_3_1_2_sh_mask.h"
+
+#include "irq_service_dcn31.h"
+
+#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
+
+enum dc_irq_source to_dal_irq_source_dcn31(
+ struct irq_service *irq_service,
+ uint32_t src_id,
+ uint32_t ext_id)
+{
+ switch (src_id) {
+ case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
+ return DC_IRQ_SOURCE_VBLANK1;
+ case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP:
+ return DC_IRQ_SOURCE_VBLANK2;
+ case DCN_1_0__SRCID__DC_D3_OTG_VSTARTUP:
+ return DC_IRQ_SOURCE_VBLANK3;
+ case DCN_1_0__SRCID__DC_D4_OTG_VSTARTUP:
+ return DC_IRQ_SOURCE_VBLANK4;
+ case DCN_1_0__SRCID__DC_D5_OTG_VSTARTUP:
+ return DC_IRQ_SOURCE_VBLANK5;
+ case DCN_1_0__SRCID__DC_D6_OTG_VSTARTUP:
+ return DC_IRQ_SOURCE_VBLANK6;
+ case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL:
+ return DC_IRQ_SOURCE_DC1_VLINE0;
+ case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL:
+ return DC_IRQ_SOURCE_DC2_VLINE0;
+ case DCN_1_0__SRCID__OTG3_VERTICAL_INTERRUPT0_CONTROL:
+ return DC_IRQ_SOURCE_DC3_VLINE0;
+ case DCN_1_0__SRCID__OTG4_VERTICAL_INTERRUPT0_CONTROL:
+ return DC_IRQ_SOURCE_DC4_VLINE0;
+ case DCN_1_0__SRCID__OTG5_VERTICAL_INTERRUPT0_CONTROL:
+ return DC_IRQ_SOURCE_DC5_VLINE0;
+ case DCN_1_0__SRCID__OTG6_VERTICAL_INTERRUPT0_CONTROL:
+ return DC_IRQ_SOURCE_DC6_VLINE0;
+ case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT:
+ return DC_IRQ_SOURCE_PFLIP1;
+ case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT:
+ return DC_IRQ_SOURCE_PFLIP2;
+ case DCN_1_0__SRCID__HUBP2_FLIP_INTERRUPT:
+ return DC_IRQ_SOURCE_PFLIP3;
+ case DCN_1_0__SRCID__HUBP3_FLIP_INTERRUPT:
+ return DC_IRQ_SOURCE_PFLIP4;
+ case DCN_1_0__SRCID__HUBP4_FLIP_INTERRUPT:
+ return DC_IRQ_SOURCE_PFLIP5;
+ case DCN_1_0__SRCID__HUBP5_FLIP_INTERRUPT:
+ return DC_IRQ_SOURCE_PFLIP6;
+ case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+ return DC_IRQ_SOURCE_VUPDATE1;
+ case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+ return DC_IRQ_SOURCE_VUPDATE2;
+ case DCN_1_0__SRCID__OTG2_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+ return DC_IRQ_SOURCE_VUPDATE3;
+ case DCN_1_0__SRCID__OTG3_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+ return DC_IRQ_SOURCE_VUPDATE4;
+ case DCN_1_0__SRCID__OTG4_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+ return DC_IRQ_SOURCE_VUPDATE5;
+ case DCN_1_0__SRCID__OTG5_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
+ return DC_IRQ_SOURCE_VUPDATE6;
+ case DCN_1_0__SRCID__DMCUB_OUTBOX_LOW_PRIORITY_READY_INT:
+ return DC_IRQ_SOURCE_DMCUB_OUTBOX;
+ case DCN_1_0__SRCID__DC_HPD1_INT:
+ /* generic src_id for all HPD and HPDRX interrupts */
+ switch (ext_id) {
+ case DCN_1_0__CTXID__DC_HPD1_INT:
+ return DC_IRQ_SOURCE_HPD1;
+ case DCN_1_0__CTXID__DC_HPD2_INT:
+ return DC_IRQ_SOURCE_HPD2;
+ case DCN_1_0__CTXID__DC_HPD3_INT:
+ return DC_IRQ_SOURCE_HPD3;
+ case DCN_1_0__CTXID__DC_HPD4_INT:
+ return DC_IRQ_SOURCE_HPD4;
+ case DCN_1_0__CTXID__DC_HPD5_INT:
+ return DC_IRQ_SOURCE_HPD5;
+ case DCN_1_0__CTXID__DC_HPD6_INT:
+ return DC_IRQ_SOURCE_HPD6;
+ case DCN_1_0__CTXID__DC_HPD1_RX_INT:
+ return DC_IRQ_SOURCE_HPD1RX;
+ case DCN_1_0__CTXID__DC_HPD2_RX_INT:
+ return DC_IRQ_SOURCE_HPD2RX;
+ case DCN_1_0__CTXID__DC_HPD3_RX_INT:
+ return DC_IRQ_SOURCE_HPD3RX;
+ case DCN_1_0__CTXID__DC_HPD4_RX_INT:
+ return DC_IRQ_SOURCE_HPD4RX;
+ case DCN_1_0__CTXID__DC_HPD5_RX_INT:
+ return DC_IRQ_SOURCE_HPD5RX;
+ case DCN_1_0__CTXID__DC_HPD6_RX_INT:
+ return DC_IRQ_SOURCE_HPD6RX;
+ default:
+ return DC_IRQ_SOURCE_INVALID;
+ }
+ break;
+
+ default:
+ return DC_IRQ_SOURCE_INVALID;
+ }
+}
+
+static bool hpd_ack(
+ struct irq_service *irq_service,
+ const struct irq_source_info *info)
+{
+ uint32_t addr = info->status_reg;
+ uint32_t value = dm_read_reg(irq_service->ctx, addr);
+ uint32_t current_status =
+ get_reg_field_value(
+ value,
+ HPD0_DC_HPD_INT_STATUS,
+ DC_HPD_SENSE_DELAYED);
+
+ dal_irq_service_ack_generic(irq_service, info);
+
+ value = dm_read_reg(irq_service->ctx, info->enable_reg);
+
+ set_reg_field_value(
+ value,
+ current_status ? 0 : 1,
+ HPD0_DC_HPD_INT_CONTROL,
+ DC_HPD_INT_POLARITY);
+
+ dm_write_reg(irq_service->ctx, info->enable_reg, value);
+
+ return true;
+}
+
+static const struct irq_source_info_funcs hpd_irq_info_funcs = {
+ .set = NULL,
+ .ack = hpd_ack
+};
+
+static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = {
+ .set = NULL,
+ .ack = NULL
+};
+
+static const struct irq_source_info_funcs pflip_irq_info_funcs = {
+ .set = NULL,
+ .ack = NULL
+};
+
+static const struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = {
+ .set = NULL,
+ .ack = NULL
+};
+
+static const struct irq_source_info_funcs vblank_irq_info_funcs = {
+ .set = NULL,
+ .ack = NULL
+};
+
+static const struct irq_source_info_funcs outbox_irq_info_funcs = {
+ .set = NULL,
+ .ack = NULL
+};
+
+static const struct irq_source_info_funcs vline0_irq_info_funcs = {
+ .set = NULL,
+ .ack = NULL
+};
+
+#undef BASE_INNER
+#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
+
+/* compile time expand base address. */
+#define BASE(seg) \
+ BASE_INNER(seg)
+
+#define SRI(reg_name, block, id)\
+ BASE(reg ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
+ reg ## block ## id ## _ ## reg_name
+
+#define SRI_DMUB(reg_name)\
+ BASE(reg ## reg_name ## _BASE_IDX) + \
+ reg ## reg_name
+
+#define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\
+ .enable_reg = SRI(reg1, block, reg_num),\
+ .enable_mask = \
+ block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
+ .enable_value = {\
+ block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
+ ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \
+ },\
+ .ack_reg = SRI(reg2, block, reg_num),\
+ .ack_mask = \
+ block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\
+ .ack_value = \
+ block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \
+
+#define IRQ_REG_ENTRY_DMUB(reg1, mask1, reg2, mask2)\
+ .enable_reg = SRI_DMUB(reg1),\
+ .enable_mask = \
+ reg1 ## __ ## mask1 ## _MASK,\
+ .enable_value = {\
+ reg1 ## __ ## mask1 ## _MASK,\
+ ~reg1 ## __ ## mask1 ## _MASK \
+ },\
+ .ack_reg = SRI_DMUB(reg2),\
+ .ack_mask = \
+ reg2 ## __ ## mask2 ## _MASK,\
+ .ack_value = \
+ reg2 ## __ ## mask2 ## _MASK \
+
+#define hpd_int_entry(reg_num)\
+ [DC_IRQ_SOURCE_HPD1 + reg_num] = {\
+ IRQ_REG_ENTRY(HPD, reg_num,\
+ DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\
+ DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\
+ .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
+ .funcs = &hpd_irq_info_funcs\
+ }
+
+#define hpd_rx_int_entry(reg_num)\
+ [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\
+ IRQ_REG_ENTRY(HPD, reg_num,\
+ DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\
+ DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\
+ .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
+ .funcs = &hpd_rx_irq_info_funcs\
+ }
+#define pflip_int_entry(reg_num)\
+ [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\
+ IRQ_REG_ENTRY(HUBPREQ, reg_num,\
+ DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\
+ DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\
+ .funcs = &pflip_irq_info_funcs\
+ }
+
+/* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic
+ * of DCE's DC_IRQ_SOURCE_VUPDATEx.
+ */
+#define vupdate_no_lock_int_entry(reg_num)\
+ [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\
+ IRQ_REG_ENTRY(OTG, reg_num,\
+ OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\
+ OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\
+ .funcs = &vupdate_no_lock_irq_info_funcs\
+ }
+
+#define vblank_int_entry(reg_num)\
+ [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\
+ IRQ_REG_ENTRY(OTG, reg_num,\
+ OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\
+ OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\
+ .funcs = &vblank_irq_info_funcs\
+ }
+
+#define vline0_int_entry(reg_num)\
+ [DC_IRQ_SOURCE_DC1_VLINE0 + reg_num] = {\
+ IRQ_REG_ENTRY(OTG, reg_num,\
+ OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\
+ OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\
+ .funcs = &vline0_irq_info_funcs\
+ }
+#define dmub_outbox_int_entry()\
+ [DC_IRQ_SOURCE_DMCUB_OUTBOX] = {\
+ IRQ_REG_ENTRY_DMUB(\
+ DMCUB_INTERRUPT_ENABLE, DMCUB_OUTBOX1_READY_INT_EN,\
+ DMCUB_INTERRUPT_ACK, DMCUB_OUTBOX1_READY_INT_ACK),\
+ .funcs = &outbox_irq_info_funcs\
+ }
+
+#define dummy_irq_entry() \
+ {\
+ .funcs = &dummy_irq_info_funcs\
+ }
+
+#define i2c_int_entry(reg_num) \
+ [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry()
+
+#define dp_sink_int_entry(reg_num) \
+ [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry()
+
+#define gpio_pad_int_entry(reg_num) \
+ [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry()
+
+#define dc_underflow_int_entry(reg_num) \
+ [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry()
+
+static const struct irq_source_info_funcs dummy_irq_info_funcs = {
+ .set = dal_irq_service_dummy_set,
+ .ack = dal_irq_service_dummy_ack
+};
+
+static const struct irq_source_info
+irq_source_info_dcn31[DAL_IRQ_SOURCES_NUMBER] = {
+ [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(),
+ hpd_int_entry(0),
+ hpd_int_entry(1),
+ hpd_int_entry(2),
+ hpd_int_entry(3),
+ hpd_int_entry(4),
+ hpd_rx_int_entry(0),
+ hpd_rx_int_entry(1),
+ hpd_rx_int_entry(2),
+ hpd_rx_int_entry(3),
+ hpd_rx_int_entry(4),
+ i2c_int_entry(1),
+ i2c_int_entry(2),
+ i2c_int_entry(3),
+ i2c_int_entry(4),
+ i2c_int_entry(5),
+ i2c_int_entry(6),
+ dp_sink_int_entry(1),
+ dp_sink_int_entry(2),
+ dp_sink_int_entry(3),
+ dp_sink_int_entry(4),
+ dp_sink_int_entry(5),
+ dp_sink_int_entry(6),
+ [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(),
+ pflip_int_entry(0),
+ pflip_int_entry(1),
+ pflip_int_entry(2),
+ pflip_int_entry(3),
+ [DC_IRQ_SOURCE_PFLIP5] = dummy_irq_entry(),
+ [DC_IRQ_SOURCE_PFLIP6] = dummy_irq_entry(),
+ [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(),
+ gpio_pad_int_entry(0),
+ gpio_pad_int_entry(1),
+ gpio_pad_int_entry(2),
+ gpio_pad_int_entry(3),
+ gpio_pad_int_entry(4),
+ gpio_pad_int_entry(5),
+ gpio_pad_int_entry(6),
+ gpio_pad_int_entry(7),
+ gpio_pad_int_entry(8),
+ gpio_pad_int_entry(9),
+ gpio_pad_int_entry(10),
+ gpio_pad_int_entry(11),
+ gpio_pad_int_entry(12),
+ gpio_pad_int_entry(13),
+ gpio_pad_int_entry(14),
+ gpio_pad_int_entry(15),
+ gpio_pad_int_entry(16),
+ gpio_pad_int_entry(17),
+ gpio_pad_int_entry(18),
+ gpio_pad_int_entry(19),
+ gpio_pad_int_entry(20),
+ gpio_pad_int_entry(21),
+ gpio_pad_int_entry(22),
+ gpio_pad_int_entry(23),
+ gpio_pad_int_entry(24),
+ gpio_pad_int_entry(25),
+ gpio_pad_int_entry(26),
+ gpio_pad_int_entry(27),
+ gpio_pad_int_entry(28),
+ gpio_pad_int_entry(29),
+ gpio_pad_int_entry(30),
+ dc_underflow_int_entry(1),
+ dc_underflow_int_entry(2),
+ dc_underflow_int_entry(3),
+ dc_underflow_int_entry(4),
+ dc_underflow_int_entry(5),
+ dc_underflow_int_entry(6),
+ [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(),
+ [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(),
+ vupdate_no_lock_int_entry(0),
+ vupdate_no_lock_int_entry(1),
+ vupdate_no_lock_int_entry(2),
+ vupdate_no_lock_int_entry(3),
+ vblank_int_entry(0),
+ vblank_int_entry(1),
+ vblank_int_entry(2),
+ vblank_int_entry(3),
+ vline0_int_entry(0),
+ vline0_int_entry(1),
+ vline0_int_entry(2),
+ vline0_int_entry(3),
+ [DC_IRQ_SOURCE_DC5_VLINE1] = dummy_irq_entry(),
+ [DC_IRQ_SOURCE_DC6_VLINE1] = dummy_irq_entry(),
+ dmub_outbox_int_entry(),
+};
+
+static const struct irq_service_funcs irq_service_funcs_dcn31 = {
+ .to_dal_irq_source = to_dal_irq_source_dcn31
+};
+
+static void dcn31_irq_construct(
+ struct irq_service *irq_service,
+ struct irq_service_init_data *init_data)
+{
+ dal_irq_service_construct(irq_service, init_data);
+
+ irq_service->info = irq_source_info_dcn31;
+ irq_service->funcs = &irq_service_funcs_dcn31;
+}
+
+struct irq_service *dal_irq_service_dcn31_create(
+ struct irq_service_init_data *init_data)
+{
+ struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
+ GFP_KERNEL);
+
+ if (!irq_service)
+ return NULL;
+
+ dcn31_irq_construct(irq_service, init_data);
+ return irq_service;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.h b/drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.h
new file mode 100644
index 000000000000..d6c845f6bfbf
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn31/irq_service_dcn31.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+
+#ifndef __DAL_IRQ_SERVICE_DCN31_H__
+#define __DAL_IRQ_SERVICE_DCN31_H__
+
+#include "../irq_service.h"
+
+struct irq_service *dal_irq_service_dcn31_create(
+ struct irq_service_init_data *init_data);
+
+#endif /* __DAL_IRQ_SERVICE_DCN31_H__ */
+#endif /* CONFIG_DRM_AMD_DC_DCN3_1 */
--
2.31.1
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