From 320eca62fe61ca1efded0d2a95392e4f20e53b46 Mon Sep 17 00:00:00 2001 From: Wayne Lin Date: Wed, 20 Jan 2021 17:22:30 +0800 Subject: [PATCH] drm/amd/display: Add otg vertical interrupt0 support in DCN1.0 [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 Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 22 +++++++++++++++ .../amd/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 26ed70e..e0000c1 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 @@ -662,6 +662,20 @@ 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, @@ -681,6 +695,11 @@ 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, @@ -702,6 +721,9 @@ 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 f956b3b..34f43cb 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 d0ccd81..87812d8 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) \ -- 2.7.4