[Why & How]
On DCN1.0, need otg vertical line interrupt to get appropriate timing
to achieve specific feature request.
Add otg vertical interrupt0 support for registers which operation is
vertical sensitive.
Signed-off-by: Wayne Lin <Wayne.Lin@xxxxxxx>
---
.../drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 22 +++++++++++++
.../display/dc/irq/dcn10/irq_service_dcn10.c | 31 +++++++++++++++++++
drivers/gpu/drm/amd/display/dc/irq_types.h | 1 +
3 files changed, 54 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
index 357778556b06..74738d2b9af7 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
@@ -659,6 +659,20 @@ static int amdgpu_dm_set_crtc_irq_state(struct amdgpu_device *adev,
__func__);
}
+static int amdgpu_dm_set_vline0_irq_state(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ unsigned int crtc_id,
+ enum amdgpu_interrupt_state state)
+{
+ return dm_irq_state(
+ adev,
+ source,
+ crtc_id,
+ state,
+ IRQ_TYPE_VLINE0,
+ __func__);
+}
+
static int amdgpu_dm_set_vupdate_irq_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
unsigned int crtc_id,
@@ -678,6 +692,11 @@ static const struct amdgpu_irq_src_funcs dm_crtc_irq_funcs = {
.process = amdgpu_dm_irq_handler,
};
+static const struct amdgpu_irq_src_funcs dm_vline0_irq_funcs = {
+ .set = amdgpu_dm_set_vline0_irq_state,
+ .process = amdgpu_dm_irq_handler,
+};
+
static const struct amdgpu_irq_src_funcs dm_vupdate_irq_funcs = {
.set = amdgpu_dm_set_vupdate_irq_state,
.process = amdgpu_dm_irq_handler,
@@ -699,6 +718,9 @@ void amdgpu_dm_set_irq_funcs(struct amdgpu_device *adev)
adev->crtc_irq.num_types = adev->mode_info.num_crtc;
adev->crtc_irq.funcs = &dm_crtc_irq_funcs;
+ adev->vline0_irq.num_types = adev->mode_info.num_crtc;
+ adev->vline0_irq.funcs = &dm_vline0_irq_funcs;
+
adev->vupdate_irq.num_types = adev->mode_info.num_crtc;
adev->vupdate_irq.funcs = &dm_vupdate_irq_funcs;
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c b/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
index f956b3bde680..34f43cb650f8 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
@@ -58,6 +58,18 @@ enum dc_irq_source to_dal_irq_source_dcn10(
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__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
return DC_IRQ_SOURCE_VUPDATE1;
case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
@@ -167,6 +179,11 @@ static const struct irq_source_info_funcs vblank_irq_info_funcs = {
.ack = NULL
};
+static const struct irq_source_info_funcs vline0_irq_info_funcs = {
+ .set = NULL,
+ .ack = NULL
+};
+
static const struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = {
.set = NULL,
.ack = NULL
@@ -241,6 +258,14 @@ static const struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = {
.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 dummy_irq_entry() \
{\
.funcs = &dummy_irq_info_funcs\
@@ -349,6 +374,12 @@ irq_source_info_dcn10[DAL_IRQ_SOURCES_NUMBER] = {
vblank_int_entry(3),
vblank_int_entry(4),
vblank_int_entry(5),
+ vline0_int_entry(0),
+ vline0_int_entry(1),
+ vline0_int_entry(2),
+ vline0_int_entry(3),
+ vline0_int_entry(4),
+ vline0_int_entry(5),
};
static const struct irq_service_funcs irq_service_funcs_dcn10 = {
diff --git a/drivers/gpu/drm/amd/display/dc/irq_types.h b/drivers/gpu/drm/amd/display/dc/irq_types.h
index d0ccd81ad5b4..87812d81fed3 100644
--- a/drivers/gpu/drm/amd/display/dc/irq_types.h
+++ b/drivers/gpu/drm/amd/display/dc/irq_types.h
@@ -160,6 +160,7 @@ enum irq_type
IRQ_TYPE_PFLIP = DC_IRQ_SOURCE_PFLIP1,
IRQ_TYPE_VUPDATE = DC_IRQ_SOURCE_VUPDATE1,
IRQ_TYPE_VBLANK = DC_IRQ_SOURCE_VBLANK1,
+ IRQ_TYPE_VLINE0 = DC_IRQ_SOURCE_DC1_VLINE0,
};
#define DAL_VALID_IRQ_SRC_NUM(src) \
--
2.17.1
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