[PATCH 16/17] drm/amd/display: Fix Vertical Interrupt definitions for dcn32, dcn401

Fangzhi Zuo Jerry.Zuo at amd.com
Wed Mar 26 19:49:13 UTC 2025


From: Dillon Varone <dillon.varone at amd.com>

[WHY&HOW]
- VUPDATE_NO_LOCK should be used in place of VUPDATE always
- Add VERTICAL_INTERRUPT1 and VERTICAL_INTERRUPT2 definitions

Reviewed-by: Aric Cyr <aric.cyr at amd.com>
Signed-off-by: Dillon Varone <dillon.varone at amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo at amd.com>
---
 .../display/dc/irq/dcn32/irq_service_dcn32.c  | 61 ++++++++++++++-----
 .../dc/irq/dcn401/irq_service_dcn401.c        | 60 +++++++++++++-----
 drivers/gpu/drm/amd/display/dc/irq_types.h    |  9 +++
 3 files changed, 101 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn32/irq_service_dcn32.c b/drivers/gpu/drm/amd/display/dc/irq/dcn32/irq_service_dcn32.c
index f0ac0aeeac51..f839afacd5a5 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/dcn32/irq_service_dcn32.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn32/irq_service_dcn32.c
@@ -191,6 +191,16 @@ static struct irq_source_info_funcs vline0_irq_info_funcs = {
 	.ack = NULL
 };
 
+static struct irq_source_info_funcs vline1_irq_info_funcs = {
+	.set = NULL,
+	.ack = NULL
+};
+
+static struct irq_source_info_funcs vline2_irq_info_funcs = {
+	.set = NULL,
+	.ack = NULL
+};
+
 #undef BASE_INNER
 #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
 
@@ -259,6 +269,13 @@ static struct irq_source_info_funcs vline0_irq_info_funcs = {
 		.funcs = &pflip_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\
+	}
 /* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic
  * of DCE's DC_IRQ_SOURCE_VUPDATEx.
  */
@@ -270,14 +287,6 @@ static struct irq_source_info_funcs vline0_irq_info_funcs = {
 		.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,\
@@ -285,6 +294,20 @@ static struct irq_source_info_funcs vline0_irq_info_funcs = {
 			OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\
 		.funcs = &vline0_irq_info_funcs\
 	}
+#define vline1_int_entry(reg_num)\
+	[DC_IRQ_SOURCE_DC1_VLINE1 + reg_num] = {\
+		IRQ_REG_ENTRY(OTG, reg_num,\
+			OTG_VERTICAL_INTERRUPT1_CONTROL, OTG_VERTICAL_INTERRUPT1_INT_ENABLE,\
+			OTG_VERTICAL_INTERRUPT1_CONTROL, OTG_VERTICAL_INTERRUPT1_CLEAR),\
+		.funcs = &vline1_irq_info_funcs\
+	}
+#define vline2_int_entry(reg_num)\
+	[DC_IRQ_SOURCE_DC1_VLINE2 + reg_num] = {\
+		IRQ_REG_ENTRY(OTG, reg_num,\
+			OTG_VERTICAL_INTERRUPT2_CONTROL, OTG_VERTICAL_INTERRUPT2_INT_ENABLE,\
+			OTG_VERTICAL_INTERRUPT2_CONTROL, OTG_VERTICAL_INTERRUPT2_CLEAR),\
+		.funcs = &vline2_irq_info_funcs\
+	}
 #define dmub_outbox_int_entry()\
 	[DC_IRQ_SOURCE_DMCUB_OUTBOX] = {\
 		IRQ_REG_ENTRY_DMUB(\
@@ -387,21 +410,29 @@ irq_source_info_dcn32[DAL_IRQ_SOURCES_NUMBER] = {
 	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),
+	[DC_IRQ_SOURCE_DC5_VLINE1] = dummy_irq_entry(),
+	[DC_IRQ_SOURCE_DC6_VLINE1] = dummy_irq_entry(),
+	dmub_outbox_int_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),
 	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(),
+	vline1_int_entry(0),
+	vline1_int_entry(1),
+	vline1_int_entry(2),
+	vline1_int_entry(3),
+	vline2_int_entry(0),
+	vline2_int_entry(1),
+	vline2_int_entry(2),
+	vline2_int_entry(3)
 };
 
 static const struct irq_service_funcs irq_service_funcs_dcn32 = {
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn401/irq_service_dcn401.c b/drivers/gpu/drm/amd/display/dc/irq/dcn401/irq_service_dcn401.c
index b43c9524b0de..8499e505cf3e 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/dcn401/irq_service_dcn401.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn401/irq_service_dcn401.c
@@ -171,6 +171,16 @@ static struct irq_source_info_funcs vline0_irq_info_funcs = {
 	.ack = NULL
 };
 
+static struct irq_source_info_funcs vline1_irq_info_funcs = {
+	.set = NULL,
+	.ack = NULL
+};
+
+static struct irq_source_info_funcs vline2_irq_info_funcs = {
+	.set = NULL,
+	.ack = NULL
+};
+
 #undef BASE_INNER
 #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
 
@@ -239,6 +249,13 @@ static struct irq_source_info_funcs vline0_irq_info_funcs = {
 		.funcs = &pflip_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\
+	}
 /* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic
  * of DCE's DC_IRQ_SOURCE_VUPDATEx.
  */
@@ -250,13 +267,6 @@ static struct irq_source_info_funcs vline0_irq_info_funcs = {
 		.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,\
@@ -264,6 +274,20 @@ static struct irq_source_info_funcs vline0_irq_info_funcs = {
 			OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\
 		.funcs = &vline0_irq_info_funcs\
 	}
+#define vline1_int_entry(reg_num)\
+	[DC_IRQ_SOURCE_DC1_VLINE1 + reg_num] = {\
+		IRQ_REG_ENTRY(OTG, reg_num,\
+			OTG_VERTICAL_INTERRUPT1_CONTROL, OTG_VERTICAL_INTERRUPT1_INT_ENABLE,\
+			OTG_VERTICAL_INTERRUPT1_CONTROL, OTG_VERTICAL_INTERRUPT1_CLEAR),\
+		.funcs = &vline1_irq_info_funcs\
+	}
+#define vline2_int_entry(reg_num)\
+	[DC_IRQ_SOURCE_DC1_VLINE2 + reg_num] = {\
+		IRQ_REG_ENTRY(OTG, reg_num,\
+			OTG_VERTICAL_INTERRUPT2_CONTROL, OTG_VERTICAL_INTERRUPT2_INT_ENABLE,\
+			OTG_VERTICAL_INTERRUPT2_CONTROL, OTG_VERTICAL_INTERRUPT2_CLEAR),\
+		.funcs = &vline2_irq_info_funcs\
+	}
 #define dmub_outbox_int_entry()\
 	[DC_IRQ_SOURCE_DMCUB_OUTBOX] = {\
 		IRQ_REG_ENTRY_DMUB(\
@@ -364,21 +388,29 @@ irq_source_info_dcn401[DAL_IRQ_SOURCES_NUMBER] = {
 	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),
+	[DC_IRQ_SOURCE_DC5_VLINE1] = dummy_irq_entry(),
+	[DC_IRQ_SOURCE_DC6_VLINE1] = dummy_irq_entry(),
+	dmub_outbox_int_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),
 	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(),
+	vline1_int_entry(0),
+	vline1_int_entry(1),
+	vline1_int_entry(2),
+	vline1_int_entry(3),
+	vline2_int_entry(0),
+	vline2_int_entry(1),
+	vline2_int_entry(2),
+	vline2_int_entry(3),
 };
 
 static const struct irq_service_funcs irq_service_funcs_dcn401 = {
diff --git a/drivers/gpu/drm/amd/display/dc/irq_types.h b/drivers/gpu/drm/amd/display/dc/irq_types.h
index 110f656d43ae..eadab0a2afeb 100644
--- a/drivers/gpu/drm/amd/display/dc/irq_types.h
+++ b/drivers/gpu/drm/amd/display/dc/irq_types.h
@@ -161,6 +161,13 @@ enum dc_irq_source {
 	DC_IRQ_SOURCE_DPCX_TX_PHYE,
 	DC_IRQ_SOURCE_DPCX_TX_PHYF,
 
+	DC_IRQ_SOURCE_DC1_VLINE2,
+	DC_IRQ_SOURCE_DC2_VLINE2,
+	DC_IRQ_SOURCE_DC3_VLINE2,
+	DC_IRQ_SOURCE_DC4_VLINE2,
+	DC_IRQ_SOURCE_DC5_VLINE2,
+	DC_IRQ_SOURCE_DC6_VLINE2,
+
 	DAL_IRQ_SOURCES_NUMBER
 };
 
@@ -170,6 +177,8 @@ enum irq_type
 	IRQ_TYPE_VUPDATE = DC_IRQ_SOURCE_VUPDATE1,
 	IRQ_TYPE_VBLANK = DC_IRQ_SOURCE_VBLANK1,
 	IRQ_TYPE_VLINE0 = DC_IRQ_SOURCE_DC1_VLINE0,
+	IRQ_TYPE_VLINE1 = DC_IRQ_SOURCE_DC1_VLINE1,
+	IRQ_TYPE_VLINE2 = DC_IRQ_SOURCE_DC1_VLINE2,
 	IRQ_TYPE_DCUNDERFLOW = DC_IRQ_SOURCE_DC1UNDERFLOW,
 };
 
-- 
2.43.0



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