[PATCH v6 00/10] Add support for RK3588 DisplayPort Controller

Andy Yan posted 10 patches 2 months, 1 week ago
There is a newer version of this series
.../display/bridge/simple-bridge.yaml         |    1 +
.../display/rockchip/rockchip,dw-dp.yaml      |  150 ++
MAINTAINERS                                   |    8 +
arch/arm64/boot/dts/rockchip/rk3588-base.dtsi |   30 +
.../arm64/boot/dts/rockchip/rk3588-extra.dtsi |   30 +
.../boot/dts/rockchip/rk3588-rock-5-itx.dts   |   59 +
.../boot/dts/rockchip/rk3588s-coolpi-4b.dts   |   37 +
drivers/gpu/drm/bridge/simple-bridge.c        |    5 +
drivers/gpu/drm/bridge/synopsys/Kconfig       |    7 +
drivers/gpu/drm/bridge/synopsys/Makefile      |    1 +
drivers/gpu/drm/bridge/synopsys/dw-dp.c       | 2094 +++++++++++++++++
drivers/gpu/drm/rockchip/Kconfig              |    9 +
drivers/gpu/drm/rockchip/Makefile             |    1 +
drivers/gpu/drm/rockchip/dw_dp-rockchip.c     |  150 ++
drivers/gpu/drm/rockchip/rockchip_drm_drv.c   |    1 +
drivers/gpu/drm/rockchip/rockchip_drm_drv.h   |    1 +
include/drm/bridge/dw_dp.h                    |   20 +
17 files changed, 2604 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,dw-dp.yaml
create mode 100644 drivers/gpu/drm/bridge/synopsys/dw-dp.c
create mode 100644 drivers/gpu/drm/rockchip/dw_dp-rockchip.c
create mode 100644 include/drm/bridge/dw_dp.h
[PATCH v6 00/10] Add support for RK3588 DisplayPort Controller
Posted by Andy Yan 2 months, 1 week ago
From: Andy Yan <andy.yan@rock-chips.com>


There are two DW DPTX based DisplayPort Controller on rk3588 which
are compliant with the DisplayPort Specification Version 1.4 with
the following features:

* DisplayPort 1.4a
* Main Link: 1/2/4 lanes
* Main Link Support 1.62Gbps, 2.7Gbps, 5.4Gbps and 8.1Gbps
* AUX channel 1Mbps
* Single Stream Transport(SST)
* Multistream Transport (MST)
* Type-C support (alternate mode)
* HDCP 2.2, HDCP 1.3
* Supports up to 8/10 bits per color component
* Supports RBG, YCbCr4:4:4, YCbCr4:2:2, YCbCr4:2:0
* Pixel clock up to 594MHz
* I2S, SPDIF audio interface

The current version of this patch series only supports basic display outputs.
I conducted tests with DP0 in 1080p and 4K@60 YCbCr4:2:0 modes; the ALT/Type-C
mode was tested on Rock 5B, DP1 was tested on Rock 5 ITX by Stephen and Piotr.
HDCP and audio features remain unimplemented.
For RK3588, it's only support SST, while in the upcoming RK3576, it can support
MST output.


Changes in v6:
- Use drm_dp_vsc_sdp_supported
- Store bpc/bpp/color format in dw_dp_bridge_state
- Collect Reviewed-by tags
- Link to V5: https://lore.kernel.org/linux-rockchip/20250716100440.816351-1-andyshrk@163.com/

Changes in v5:
- Use drm_dp_read_sink_count_cap instead of the private implementation.
- First included in this version.
- Link to V4: https://lore.kernel.org/linux-rockchip/20250619063900.700491-1-andyshrk@163.com/

Changes in v4:
- Drop unnecessary header files
- Switch to devm_drm_bridge_alloc
- Drop unused function
- Add platform_set_drvdata
- Link to V3: https://lore.kernel.org/linux-rockchip/20250403033748.245007-1-andyshrk@163.com/


Changes in v3:
- Rebase on drm-misc-next
- Switch to common helpers to power up/down dp link
- Only pass parameters to phy that should be set
- First introduced in this version.
- First introduced in this version.
- Add RA620 into bridge chain.
- Link to V2: https://lore.kernel.org/linux-rockchip/20250312104214.525242-1-andyshrk@163.com/

Changes in v2:
- Fix a character encoding issue
- Fix compile error when build as module
- Add phy init
- Only use one dw_dp_link_train_set
- inline dw_dp_phy_update_vs_emph
- Use dp_sdp
- Check return value of drm_modeset_lock
- Merge code in atomic_pre_enable/mode_fixup to atomic_check
- Return NULL if can't find a supported output format
- Fix max_link_rate from plat_data
- no include uapi path
- switch to drmm_encoder_init
- Sort in alphabetical order
- Link to V1: https://lore.kernel.org/linux-rockchip/20250223113036.74252-1-andyshrk@163.com/

Andy Yan (10):
  dt-bindings: display: rockchip: Add schema for RK3588 DPTX Controller
  drm/bridge: synopsys: Add DW DPTX Controller support library
  drm/rockchip: Add RK3588 DPTX output support
  MAINTAINERS: Add entry for DW DPTX Controller bridge
  dt-bindings: display: simple-bridge: Add ra620 compatible
  drm/birdge: simple-bridge: Add support for radxa ra620
  arm64: dts: rockchip: Add DP0 for rk3588
  arm64: dts: rockchip: Add DP1 for rk3588
  arm64: dts: rockchip: Enable DisplayPort for rk3588s Cool Pi 4B
  arm64: dts: rockchip: Enable DP2HDMI for ROCK 5 ITX

 .../display/bridge/simple-bridge.yaml         |    1 +
 .../display/rockchip/rockchip,dw-dp.yaml      |  150 ++
 MAINTAINERS                                   |    8 +
 arch/arm64/boot/dts/rockchip/rk3588-base.dtsi |   30 +
 .../arm64/boot/dts/rockchip/rk3588-extra.dtsi |   30 +
 .../boot/dts/rockchip/rk3588-rock-5-itx.dts   |   59 +
 .../boot/dts/rockchip/rk3588s-coolpi-4b.dts   |   37 +
 drivers/gpu/drm/bridge/simple-bridge.c        |    5 +
 drivers/gpu/drm/bridge/synopsys/Kconfig       |    7 +
 drivers/gpu/drm/bridge/synopsys/Makefile      |    1 +
 drivers/gpu/drm/bridge/synopsys/dw-dp.c       | 2094 +++++++++++++++++
 drivers/gpu/drm/rockchip/Kconfig              |    9 +
 drivers/gpu/drm/rockchip/Makefile             |    1 +
 drivers/gpu/drm/rockchip/dw_dp-rockchip.c     |  150 ++
 drivers/gpu/drm/rockchip/rockchip_drm_drv.c   |    1 +
 drivers/gpu/drm/rockchip/rockchip_drm_drv.h   |    1 +
 include/drm/bridge/dw_dp.h                    |   20 +
 17 files changed, 2604 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,dw-dp.yaml
 create mode 100644 drivers/gpu/drm/bridge/synopsys/dw-dp.c
 create mode 100644 drivers/gpu/drm/rockchip/dw_dp-rockchip.c
 create mode 100644 include/drm/bridge/dw_dp.h

-- 
2.43.0
Re:[PATCH v6 00/10] Add support for RK3588 DisplayPort Controller
Posted by Andy Yan 1 month, 2 weeks ago

Hello Dmitry,
    

At 2025-07-28 16:28:25, "Andy Yan" <andyshrk@163.com> wrote:
>From: Andy Yan <andy.yan@rock-chips.com>
>
>
>There are two DW DPTX based DisplayPort Controller on rk3588 which
>are compliant with the DisplayPort Specification Version 1.4 with
>the following features:
>
>* DisplayPort 1.4a
>* Main Link: 1/2/4 lanes
>* Main Link Support 1.62Gbps, 2.7Gbps, 5.4Gbps and 8.1Gbps
>* AUX channel 1Mbps
>* Single Stream Transport(SST)
>* Multistream Transport (MST)
>* Type-C support (alternate mode)
>* HDCP 2.2, HDCP 1.3
>* Supports up to 8/10 bits per color component
>* Supports RBG, YCbCr4:4:4, YCbCr4:2:2, YCbCr4:2:0
>* Pixel clock up to 594MHz
>* I2S, SPDIF audio interface
>
>The current version of this patch series only supports basic display outputs.
>I conducted tests with DP0 in 1080p and 4K@60 YCbCr4:2:0 modes; the ALT/Type-C
>mode was tested on Rock 5B, DP1 was tested on Rock 5 ITX by Stephen and Piotr.
>HDCP and audio features remain unimplemented.
>For RK3588, it's only support SST, while in the upcoming RK3576, it can support
>MST output.



 Could you take this series? It would be nice if they could land Linux 6.18.


>
>
>Changes in v6:
>- Use drm_dp_vsc_sdp_supported
>- Store bpc/bpp/color format in dw_dp_bridge_state
>- Collect Reviewed-by tags
>- Link to V5: https://lore.kernel.org/linux-rockchip/20250716100440.816351-1-andyshrk@163.com/
>
>Changes in v5:
>- Use drm_dp_read_sink_count_cap instead of the private implementation.
>- First included in this version.
>- Link to V4: https://lore.kernel.org/linux-rockchip/20250619063900.700491-1-andyshrk@163.com/
>
>Changes in v4:
>- Drop unnecessary header files
>- Switch to devm_drm_bridge_alloc
>- Drop unused function
>- Add platform_set_drvdata
>- Link to V3: https://lore.kernel.org/linux-rockchip/20250403033748.245007-1-andyshrk@163.com/
>
>
>Changes in v3:
>- Rebase on drm-misc-next
>- Switch to common helpers to power up/down dp link
>- Only pass parameters to phy that should be set
>- First introduced in this version.
>- First introduced in this version.
>- Add RA620 into bridge chain.
>- Link to V2: https://lore.kernel.org/linux-rockchip/20250312104214.525242-1-andyshrk@163.com/
>
>Changes in v2:
>- Fix a character encoding issue
>- Fix compile error when build as module
>- Add phy init
>- Only use one dw_dp_link_train_set
>- inline dw_dp_phy_update_vs_emph
>- Use dp_sdp
>- Check return value of drm_modeset_lock
>- Merge code in atomic_pre_enable/mode_fixup to atomic_check
>- Return NULL if can't find a supported output format
>- Fix max_link_rate from plat_data
>- no include uapi path
>- switch to drmm_encoder_init
>- Sort in alphabetical order
>- Link to V1: https://lore.kernel.org/linux-rockchip/20250223113036.74252-1-andyshrk@163.com/
>
>Andy Yan (10):
>  dt-bindings: display: rockchip: Add schema for RK3588 DPTX Controller
>  drm/bridge: synopsys: Add DW DPTX Controller support library
>  drm/rockchip: Add RK3588 DPTX output support
>  MAINTAINERS: Add entry for DW DPTX Controller bridge
>  dt-bindings: display: simple-bridge: Add ra620 compatible
>  drm/birdge: simple-bridge: Add support for radxa ra620
>  arm64: dts: rockchip: Add DP0 for rk3588
>  arm64: dts: rockchip: Add DP1 for rk3588
>  arm64: dts: rockchip: Enable DisplayPort for rk3588s Cool Pi 4B
>  arm64: dts: rockchip: Enable DP2HDMI for ROCK 5 ITX
>
> .../display/bridge/simple-bridge.yaml         |    1 +
> .../display/rockchip/rockchip,dw-dp.yaml      |  150 ++
> MAINTAINERS                                   |    8 +
> arch/arm64/boot/dts/rockchip/rk3588-base.dtsi |   30 +
> .../arm64/boot/dts/rockchip/rk3588-extra.dtsi |   30 +
> .../boot/dts/rockchip/rk3588-rock-5-itx.dts   |   59 +
> .../boot/dts/rockchip/rk3588s-coolpi-4b.dts   |   37 +
> drivers/gpu/drm/bridge/simple-bridge.c        |    5 +
> drivers/gpu/drm/bridge/synopsys/Kconfig       |    7 +
> drivers/gpu/drm/bridge/synopsys/Makefile      |    1 +
> drivers/gpu/drm/bridge/synopsys/dw-dp.c       | 2094 +++++++++++++++++
> drivers/gpu/drm/rockchip/Kconfig              |    9 +
> drivers/gpu/drm/rockchip/Makefile             |    1 +
> drivers/gpu/drm/rockchip/dw_dp-rockchip.c     |  150 ++
> drivers/gpu/drm/rockchip/rockchip_drm_drv.c   |    1 +
> drivers/gpu/drm/rockchip/rockchip_drm_drv.h   |    1 +
> include/drm/bridge/dw_dp.h                    |   20 +
> 17 files changed, 2604 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,dw-dp.yaml
> create mode 100644 drivers/gpu/drm/bridge/synopsys/dw-dp.c
> create mode 100644 drivers/gpu/drm/rockchip/dw_dp-rockchip.c
> create mode 100644 include/drm/bridge/dw_dp.h
>
>-- 
>2.43.0
>
Re: [PATCH v6 00/10] Add support for RK3588 DisplayPort Controller
Posted by Dmitry Baryshkov 1 month, 2 weeks ago
On Thu, Aug 21, 2025 at 06:44:21PM +0800, Andy Yan wrote:
> 
> 
> Hello Dmitry,
>     
> 
> At 2025-07-28 16:28:25, "Andy Yan" <andyshrk@163.com> wrote:
> >From: Andy Yan <andy.yan@rock-chips.com>
> >
> >
> >There are two DW DPTX based DisplayPort Controller on rk3588 which
> >are compliant with the DisplayPort Specification Version 1.4 with
> >the following features:
> >
> >* DisplayPort 1.4a
> >* Main Link: 1/2/4 lanes
> >* Main Link Support 1.62Gbps, 2.7Gbps, 5.4Gbps and 8.1Gbps
> >* AUX channel 1Mbps
> >* Single Stream Transport(SST)
> >* Multistream Transport (MST)
> >* Type-C support (alternate mode)
> >* HDCP 2.2, HDCP 1.3
> >* Supports up to 8/10 bits per color component
> >* Supports RBG, YCbCr4:4:4, YCbCr4:2:2, YCbCr4:2:0
> >* Pixel clock up to 594MHz
> >* I2S, SPDIF audio interface
> >
> >The current version of this patch series only supports basic display outputs.
> >I conducted tests with DP0 in 1080p and 4K@60 YCbCr4:2:0 modes; the ALT/Type-C
> >mode was tested on Rock 5B, DP1 was tested on Rock 5 ITX by Stephen and Piotr.
> >HDCP and audio features remain unimplemented.
> >For RK3588, it's only support SST, while in the upcoming RK3576, it can support
> >MST output.
> 
> 
> 
>  Could you take this series? It would be nice if they could land Linux 6.18.

dim checkpatch complains about the DW library patch:


-:385: CHECK:UNCOMMENTED_DEFINITION: struct mutex definition without comment
#385: FILE: drivers/gpu/drm/bridge/synopsys/dw-dp.c:323:
+	struct mutex irq_lock;

-:819: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'v != adj->voltage_swing[i]'
#819: FILE: drivers/gpu/drm/bridge/synopsys/dw-dp.c:757:
+		if ((v != adj->voltage_swing[i]) || (p != adj->pre_emphasis[i]))

-:819: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'p != adj->pre_emphasis[i]'
#819: FILE: drivers/gpu/drm/bridge/synopsys/dw-dp.c:757:
+		if ((v != adj->voltage_swing[i]) || (p != adj->pre_emphasis[i]))

-:1754: CHECK:USLEEP_RANGE: usleep_range is preferred over udelay; see function description of usleep_range() and udelay().
#1754: FILE: drivers/gpu/drm/bridge/synopsys/dw-dp.c:1692:
+	udelay(10);

Could you please take a look and fix those?

> 
> 
> >
> >
> >Changes in v6:
> >- Use drm_dp_vsc_sdp_supported
> >- Store bpc/bpp/color format in dw_dp_bridge_state
> >- Collect Reviewed-by tags
> >- Link to V5: https://lore.kernel.org/linux-rockchip/20250716100440.816351-1-andyshrk@163.com/
> >
> >Changes in v5:
> >- Use drm_dp_read_sink_count_cap instead of the private implementation.
> >- First included in this version.
> >- Link to V4: https://lore.kernel.org/linux-rockchip/20250619063900.700491-1-andyshrk@163.com/
> >
> >Changes in v4:
> >- Drop unnecessary header files
> >- Switch to devm_drm_bridge_alloc
> >- Drop unused function
> >- Add platform_set_drvdata
> >- Link to V3: https://lore.kernel.org/linux-rockchip/20250403033748.245007-1-andyshrk@163.com/
> >
> >
> >Changes in v3:
> >- Rebase on drm-misc-next
> >- Switch to common helpers to power up/down dp link
> >- Only pass parameters to phy that should be set
> >- First introduced in this version.
> >- First introduced in this version.
> >- Add RA620 into bridge chain.
> >- Link to V2: https://lore.kernel.org/linux-rockchip/20250312104214.525242-1-andyshrk@163.com/
> >
> >Changes in v2:
> >- Fix a character encoding issue
> >- Fix compile error when build as module
> >- Add phy init
> >- Only use one dw_dp_link_train_set
> >- inline dw_dp_phy_update_vs_emph
> >- Use dp_sdp
> >- Check return value of drm_modeset_lock
> >- Merge code in atomic_pre_enable/mode_fixup to atomic_check
> >- Return NULL if can't find a supported output format
> >- Fix max_link_rate from plat_data
> >- no include uapi path
> >- switch to drmm_encoder_init
> >- Sort in alphabetical order
> >- Link to V1: https://lore.kernel.org/linux-rockchip/20250223113036.74252-1-andyshrk@163.com/
> >
> >Andy Yan (10):
> >  dt-bindings: display: rockchip: Add schema for RK3588 DPTX Controller
> >  drm/bridge: synopsys: Add DW DPTX Controller support library
> >  drm/rockchip: Add RK3588 DPTX output support
> >  MAINTAINERS: Add entry for DW DPTX Controller bridge
> >  dt-bindings: display: simple-bridge: Add ra620 compatible
> >  drm/birdge: simple-bridge: Add support for radxa ra620
> >  arm64: dts: rockchip: Add DP0 for rk3588
> >  arm64: dts: rockchip: Add DP1 for rk3588
> >  arm64: dts: rockchip: Enable DisplayPort for rk3588s Cool Pi 4B
> >  arm64: dts: rockchip: Enable DP2HDMI for ROCK 5 ITX
> >
> > .../display/bridge/simple-bridge.yaml         |    1 +
> > .../display/rockchip/rockchip,dw-dp.yaml      |  150 ++
> > MAINTAINERS                                   |    8 +
> > arch/arm64/boot/dts/rockchip/rk3588-base.dtsi |   30 +
> > .../arm64/boot/dts/rockchip/rk3588-extra.dtsi |   30 +
> > .../boot/dts/rockchip/rk3588-rock-5-itx.dts   |   59 +
> > .../boot/dts/rockchip/rk3588s-coolpi-4b.dts   |   37 +
> > drivers/gpu/drm/bridge/simple-bridge.c        |    5 +
> > drivers/gpu/drm/bridge/synopsys/Kconfig       |    7 +
> > drivers/gpu/drm/bridge/synopsys/Makefile      |    1 +
> > drivers/gpu/drm/bridge/synopsys/dw-dp.c       | 2094 +++++++++++++++++
> > drivers/gpu/drm/rockchip/Kconfig              |    9 +
> > drivers/gpu/drm/rockchip/Makefile             |    1 +
> > drivers/gpu/drm/rockchip/dw_dp-rockchip.c     |  150 ++
> > drivers/gpu/drm/rockchip/rockchip_drm_drv.c   |    1 +
> > drivers/gpu/drm/rockchip/rockchip_drm_drv.h   |    1 +
> > include/drm/bridge/dw_dp.h                    |   20 +
> > 17 files changed, 2604 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,dw-dp.yaml
> > create mode 100644 drivers/gpu/drm/bridge/synopsys/dw-dp.c
> > create mode 100644 drivers/gpu/drm/rockchip/dw_dp-rockchip.c
> > create mode 100644 include/drm/bridge/dw_dp.h
> >
> >-- 
> >2.43.0
> >

-- 
With best wishes
Dmitry
Re:Re: [PATCH v6 00/10] Add support for RK3588 DisplayPort Controller
Posted by Andy Yan 1 month, 2 weeks ago
Hello Dmitry,

At 2025-08-21 19:36:01, "Dmitry Baryshkov" <dmitry.baryshkov@oss.qualcomm.com> wrote:
>On Thu, Aug 21, 2025 at 06:44:21PM +0800, Andy Yan wrote:
>> 
>> 
>> Hello Dmitry,
>>     
>> 
>> At 2025-07-28 16:28:25, "Andy Yan" <andyshrk@163.com> wrote:
>> >From: Andy Yan <andy.yan@rock-chips.com>
>> >
>> >
>> >There are two DW DPTX based DisplayPort Controller on rk3588 which
>> >are compliant with the DisplayPort Specification Version 1.4 with
>> >the following features:
>> >
>> >* DisplayPort 1.4a
>> >* Main Link: 1/2/4 lanes
>> >* Main Link Support 1.62Gbps, 2.7Gbps, 5.4Gbps and 8.1Gbps
>> >* AUX channel 1Mbps
>> >* Single Stream Transport(SST)
>> >* Multistream Transport (MST)
>> >* Type-C support (alternate mode)
>> >* HDCP 2.2, HDCP 1.3
>> >* Supports up to 8/10 bits per color component
>> >* Supports RBG, YCbCr4:4:4, YCbCr4:2:2, YCbCr4:2:0
>> >* Pixel clock up to 594MHz
>> >* I2S, SPDIF audio interface
>> >
>> >The current version of this patch series only supports basic display outputs.
>> >I conducted tests with DP0 in 1080p and 4K@60 YCbCr4:2:0 modes; the ALT/Type-C
>> >mode was tested on Rock 5B, DP1 was tested on Rock 5 ITX by Stephen and Piotr.
>> >HDCP and audio features remain unimplemented.
>> >For RK3588, it's only support SST, while in the upcoming RK3576, it can support
>> >MST output.
>> 
>> 
>> 
>>  Could you take this series? It would be nice if they could land Linux 6.18.
>
>dim checkpatch complains about the DW library patch:
>
>
>-:385: CHECK:UNCOMMENTED_DEFINITION: struct mutex definition without comment
>#385: FILE: drivers/gpu/drm/bridge/synopsys/dw-dp.c:323:
>+	struct mutex irq_lock;
>
>-:819: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'v != adj->voltage_swing[i]'
>#819: FILE: drivers/gpu/drm/bridge/synopsys/dw-dp.c:757:
>+		if ((v != adj->voltage_swing[i]) || (p != adj->pre_emphasis[i]))
>
>-:819: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'p != adj->pre_emphasis[i]'
>#819: FILE: drivers/gpu/drm/bridge/synopsys/dw-dp.c:757:
>+		if ((v != adj->voltage_swing[i]) || (p != adj->pre_emphasis[i]))
>
>-:1754: CHECK:USLEEP_RANGE: usleep_range is preferred over udelay; see function description of usleep_range() and udelay().
>#1754: FILE: drivers/gpu/drm/bridge/synopsys/dw-dp.c:1692:
>+	udelay(10);
>
>Could you please take a look and fix those?

Sorry, these issues have been fixed in version V7[0].

[0]https://lore.kernel.org/dri-devel/20250822063959.692098-1-andyshrk@163.com/T/#t

>
>> 
>> 
>> >
>> >
>> >Changes in v6:
>> >- Use drm_dp_vsc_sdp_supported
>> >- Store bpc/bpp/color format in dw_dp_bridge_state
>> >- Collect Reviewed-by tags
>> >- Link to V5: https://lore.kernel.org/linux-rockchip/20250716100440.816351-1-andyshrk@163.com/
>> >
>> >Changes in v5:
>> >- Use drm_dp_read_sink_count_cap instead of the private implementation.
>> >- First included in this version.
>> >- Link to V4: https://lore.kernel.org/linux-rockchip/20250619063900.700491-1-andyshrk@163.com/
>> >
>> >Changes in v4:
>> >- Drop unnecessary header files
>> >- Switch to devm_drm_bridge_alloc
>> >- Drop unused function
>> >- Add platform_set_drvdata
>> >- Link to V3: https://lore.kernel.org/linux-rockchip/20250403033748.245007-1-andyshrk@163.com/
>> >
>> >
>> >Changes in v3:
>> >- Rebase on drm-misc-next
>> >- Switch to common helpers to power up/down dp link
>> >- Only pass parameters to phy that should be set
>> >- First introduced in this version.
>> >- First introduced in this version.
>> >- Add RA620 into bridge chain.
>> >- Link to V2: https://lore.kernel.org/linux-rockchip/20250312104214.525242-1-andyshrk@163.com/
>> >
>> >Changes in v2:
>> >- Fix a character encoding issue
>> >- Fix compile error when build as module
>> >- Add phy init
>> >- Only use one dw_dp_link_train_set
>> >- inline dw_dp_phy_update_vs_emph
>> >- Use dp_sdp
>> >- Check return value of drm_modeset_lock
>> >- Merge code in atomic_pre_enable/mode_fixup to atomic_check
>> >- Return NULL if can't find a supported output format
>> >- Fix max_link_rate from plat_data
>> >- no include uapi path
>> >- switch to drmm_encoder_init
>> >- Sort in alphabetical order
>> >- Link to V1: https://lore.kernel.org/linux-rockchip/20250223113036.74252-1-andyshrk@163.com/
>> >
>> >Andy Yan (10):
>> >  dt-bindings: display: rockchip: Add schema for RK3588 DPTX Controller
>> >  drm/bridge: synopsys: Add DW DPTX Controller support library
>> >  drm/rockchip: Add RK3588 DPTX output support
>> >  MAINTAINERS: Add entry for DW DPTX Controller bridge
>> >  dt-bindings: display: simple-bridge: Add ra620 compatible
>> >  drm/birdge: simple-bridge: Add support for radxa ra620
>> >  arm64: dts: rockchip: Add DP0 for rk3588
>> >  arm64: dts: rockchip: Add DP1 for rk3588
>> >  arm64: dts: rockchip: Enable DisplayPort for rk3588s Cool Pi 4B
>> >  arm64: dts: rockchip: Enable DP2HDMI for ROCK 5 ITX
>> >
>> > .../display/bridge/simple-bridge.yaml         |    1 +
>> > .../display/rockchip/rockchip,dw-dp.yaml      |  150 ++
>> > MAINTAINERS                                   |    8 +
>> > arch/arm64/boot/dts/rockchip/rk3588-base.dtsi |   30 +
>> > .../arm64/boot/dts/rockchip/rk3588-extra.dtsi |   30 +
>> > .../boot/dts/rockchip/rk3588-rock-5-itx.dts   |   59 +
>> > .../boot/dts/rockchip/rk3588s-coolpi-4b.dts   |   37 +
>> > drivers/gpu/drm/bridge/simple-bridge.c        |    5 +
>> > drivers/gpu/drm/bridge/synopsys/Kconfig       |    7 +
>> > drivers/gpu/drm/bridge/synopsys/Makefile      |    1 +
>> > drivers/gpu/drm/bridge/synopsys/dw-dp.c       | 2094 +++++++++++++++++
>> > drivers/gpu/drm/rockchip/Kconfig              |    9 +
>> > drivers/gpu/drm/rockchip/Makefile             |    1 +
>> > drivers/gpu/drm/rockchip/dw_dp-rockchip.c     |  150 ++
>> > drivers/gpu/drm/rockchip/rockchip_drm_drv.c   |    1 +
>> > drivers/gpu/drm/rockchip/rockchip_drm_drv.h   |    1 +
>> > include/drm/bridge/dw_dp.h                    |   20 +
>> > 17 files changed, 2604 insertions(+)
>> > create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,dw-dp.yaml
>> > create mode 100644 drivers/gpu/drm/bridge/synopsys/dw-dp.c
>> > create mode 100644 drivers/gpu/drm/rockchip/dw_dp-rockchip.c
>> > create mode 100644 include/drm/bridge/dw_dp.h
>> >
>> >-- 
>> >2.43.0
>> >
>
>-- 
>With best wishes
>Dmitry