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HDMI
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94
README.md
94
README.md
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@ -4867,7 +4867,7 @@ Here are the [Linux Drivers for DC8200 Display Controller](https://doc-en.rvspac
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- [vs_plane.c](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_plane.c): Display Plane
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- [vs_simple_enc.c](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_simple_enc.c): DSS Encoder
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- [vs_simple_enc.c](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_simple_enc.c): [Display Subsystem (DSS)](https://software-dl.ti.com/processor-sdk-linux/esd/docs/06_03_00_106/linux/Foundational_Components/Kernel/Kernel_Drivers/Display/DSS.html) Encoder
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- [vs_gem.c](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_gem.c): GEM Memory Management Framework
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@ -5067,12 +5067,20 @@ Enable Display Pipeline is implemented here...
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- [dc_hw_setup_display](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_dc_hw.c#L1480-L1487)
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Enable Display Pipeline is called by [vs_crtc_atomic_enable](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_crtc.c#L265-L276)
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TODO: Who calls vs_crtc_atomic_enable?
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Commit Display Pipeline is here...
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- [vs_dc_commit](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_dc.c#L1381-L1398), which calls...
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- [dc_hw_commit](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_dc_hw.c#L2038-L2076)
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Commit Display Pipeline is called by [vs_crtc_atomic_flush](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_crtc.c#L320-L336)
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TODO: Who calls vs_crtc_atomic_flush?
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These are the exposed functions for the Display Plane...
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```c
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@ -5093,6 +5101,10 @@ Update Display Plane is here...
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- [dc_hw_update_plane](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_dc_hw.c#L1368-L1399)
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Update Display Plane is called by [vs_plane_atomic_update](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_plane.c#L268-L301)
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TODO: Who calls vs_plane_atomic_update?
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Refer to [Linux DRM Internals](https://www.kernel.org/doc/html/v4.15/gpu/drm-internals.html)
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# Call Flow for DC8200 Display Hardware Driver
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@ -5223,10 +5235,90 @@ const struct drm_plane_helper_funcs vs_plane_helper_funcs = {
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[(Source)](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_plane.c#L314-L318)
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Simple Encoder Driver:
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```c
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struct platform_driver simple_encoder_driver = {
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.probe = encoder_probe,
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.remove = encoder_remove,
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...
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};
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```
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[(Source)](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/vs_simple_enc.c#L300-L307)
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# Call Flow for HDMI Controller Driver
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TODO
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```c
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// "innohdmi-starfive"
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struct platform_driver inno_hdmi_driver = {
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.probe = inno_hdmi_probe,
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.remove = inno_hdmi_remove,
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...
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};
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```
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[(Source)](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/inno_hdmi.c#L1155-L1163)
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```c
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static const struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = {
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.enable = inno_hdmi_encoder_enable,
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.disable = inno_hdmi_encoder_disable,
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.mode_fixup = inno_hdmi_encoder_mode_fixup,
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.mode_set = inno_hdmi_encoder_mode_set,
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.atomic_check = inno_hdmi_encoder_atomic_check,
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};
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```
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[(Source)](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/inno_hdmi.c#L651-L657)
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MIPI DSI:
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```c
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// "dw-mipi-dsi"
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struct platform_driver dw_mipi_dsi_driver = {
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.probe = dsi_probe,
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.remove = dsi_remove,
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...
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};
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```
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[(Source)](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/dw_mipi_dsi.c#L1066-L1073)
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```c
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static struct platform_driver cdns_dsi_platform_driver = {
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.probe = cdns_dsi_drm_probe,
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.remove = cdns_dsi_drm_remove,
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...
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};
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```
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[(Source)](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/starfive_drm_dsi.c#L1679-L1687)
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```c
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static const struct component_ops dsi_component_ops = {
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.bind = dsi_bind,
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.unbind = dsi_unbind,
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};
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```
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[(Source)](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/dw_mipi_dsi.c#L998-L1001)
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```c
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static const struct drm_bridge_funcs dw_mipi_dsi_bridge_funcs = {
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.mode_set = bridge_mode_set,
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.enable = bridge_enable,
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.post_disable = bridge_post_disable,
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.attach = bridge_attach,
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.mode_fixup = bridge_mode_fixup,
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};
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```
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[(Source)](https://github.com/starfive-tech/linux/blob/JH7110_VisionFive2_devel/drivers/gpu/drm/verisilicon/dw_mipi_dsi.c#L869-L875)
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# LCD Panel for Star64 JH7110
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Also in the JH7110 Display Docs: How to connect an LCD Panel to JH7110.
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