Hello Dmitry,
Could you please continue to review this patch series at your convenience?
Thank you!
At 2025-07-16 18:04:27, "Andy Yan" <andys...@163.com> wrote:
>From: Andy Yan <andy....@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 v5:
>- Use drm_dp_read_sink_count_cap instead of the private implementation.
>- Add MAINTAINERS entry.
>- Link to v4:
>https://lore.kernel.org/linux-rockchip/20250619063900.700491-1-andys...@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-andys...@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-andys...@163.com/
>
>Changes in v2:
>- Link to V1:
>https://lore.kernel.org/linux-rockchip/20250223113036.74252-1-andys...@163.com/
>- 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
>
>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 | 2044 +++++++++++++++++
> 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, 2554 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
>
>base-commit: 6085a45a069d2aeab6bb3e5f3fdd32e259703106
>branch: rk3588-dp-upstream-v5
