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[v7,0/8] drm/mediatek: Add mt8195 DisplayPort driver

Message ID 20211217150854.2081-1-granquet@baylibre.com (mailing list archive)
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Series drm/mediatek: Add mt8195 DisplayPort driver | expand

Message

Guillaume Ranquet Dec. 17, 2021, 3:08 p.m. UTC 
this series is built around the DisplayPort driver. The dpi/dpintf
driver and the added helper functions are required for the DisplayPort
driver to work.

In v7 I've adressed the comments from the community:
- clean the checkpatch --strict output
- better split up of the patches (some bad fixup were done in v6...)
- use of devm_phy_get()
- make the "ck_cg" clock optional as to not break the other platforms.

There's still some leftover comments from Chun Kuang as can be seen in this thread:
https://lore.kernel.org/linux-mediatek/CABnWg9v-QBAaJ0MffNNSKCNyd8eb1zhETxoZjxQ5c7FNeUkBAg@mail.gmail.com/

- mtk_dp_poweron() stayed in mtk_dp_bridge_attach() as the change breaks eDP
- That request was left un-addressed as I'm not sure what to do with it.
	> > Refer to mtk_hdmi_bridge_atomic_enable() for getting the mode.

Older revisions:
RFC - https://lore.kernel.org/linux-mediatek/20210816192523.1739365-1-msp@baylibre.com/
v1  - https://lore.kernel.org/linux-mediatek/20210906193529.718845-1-msp@baylibre.com/
v2  - https://lore.kernel.org/linux-mediatek/20210920084424.231825-1-msp@baylibre.com/
v3  - https://lore.kernel.org/linux-mediatek/20211001094443.2770169-1-msp@baylibre.com/
v4  - https://lore.kernel.org/linux-mediatek/20211011094624.3416029-1-msp@baylibre.com/
v5  - https://lore.kernel.org/all/20211021092707.3562523-1-msp@baylibre.com/
v6 - https://lore.kernel.org/linux-mediatek/20211110130623.20553-1-granquet@baylibre.com/

Functional dependencies are:
- Add Mediatek Soc DRM (vdosys0) support for mt8195
  https://lore.kernel.org/all/20211026155911.17651-1-jason-jh.lin@mediatek.com/
- Add MediaTek SoC DRM (vdosys1) support for mt8195
  https://lore.kernel.org/all/20211029075203.17093-1-nancy.lin@mediatek.com/

Guillaume Ranquet (1):
  drm/mediatek: Add mt8195 eDP support

Markus Schneider-Pargmann (7):
  dt-bindings: mediatek,dpi: Add DP_INTF compatible
  dt-bindings: mediatek,dp: Add Display Port binding
  drm/edid: Add cea_sad helpers for freq/length
  video/hdmi: Add audio_infoframe packing for DP
  drm/mediatek: dpi: Add dpintf support
  phy: phy-mtk-dp: Add driver for DP phy
  drm/mediatek: Add mt8195 DisplayPort driver

 .../display/mediatek/mediatek,dp.yaml         |   87 +
 .../display/mediatek/mediatek,dpi.yaml        |   11 +-
 MAINTAINERS                                   |    1 +
 drivers/gpu/drm/drm_edid.c                    |   74 +
 drivers/gpu/drm/mediatek/Kconfig              |    7 +
 drivers/gpu/drm/mediatek/Makefile             |    2 +
 drivers/gpu/drm/mediatek/mtk_dp.c             | 3072 +++++++++++++++++
 drivers/gpu/drm/mediatek/mtk_dp_reg.h         |  568 +++
 drivers/gpu/drm/mediatek/mtk_dpi.c            |  304 +-
 drivers/gpu/drm/mediatek/mtk_dpi_regs.h       |   38 +
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c   |    4 +
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h   |    1 +
 drivers/gpu/drm/mediatek/mtk_drm_drv.c        |    6 +-
 drivers/gpu/drm/mediatek/mtk_drm_drv.h        |    1 +
 drivers/phy/mediatek/Kconfig                  |    8 +
 drivers/phy/mediatek/Makefile                 |    1 +
 drivers/phy/mediatek/phy-mtk-dp.c             |  219 ++
 drivers/video/hdmi.c                          |   83 +-
 include/drm/drm_dp_helper.h                   |    2 +
 include/drm/drm_edid.h                        |   18 +-
 include/linux/hdmi.h                          |    7 +-
 include/linux/soc/mediatek/mtk-mmsys.h        |    2 +
 22 files changed, 4434 insertions(+), 82 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml
 create mode 100644 drivers/gpu/drm/mediatek/mtk_dp.c
 create mode 100644 drivers/gpu/drm/mediatek/mtk_dp_reg.h
 create mode 100644 drivers/phy/mediatek/phy-mtk-dp.c