linux-kernel - [PATCH v8 0/19] drm/mediatek: Add mt8195 DisplayPort driver

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Date:   Fri, 18 Feb 2022 15:54:18 +0100
From:   Guillaume Ranquet <granquet@...libre.com>
To:     chunkuang.hu@...nel.org, p.zabel@...gutronix.de, airlied@...ux.ie,
        daniel@...ll.ch, robh+dt@...nel.org,
        maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, matthias.bgg@...il.com,
        chunfeng.yun@...iatek.com, kishon@...com, vkoul@...nel.org,
        deller@....de, ck.hu@...iatek.com, jitao.shi@...iatek.com,
        angelogioacchino.delregno@...labora.com
Cc:     dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-phy@...ts.infradead.org, linux-fbdev@...r.kernel.org
Subject: [PATCH v8 0/19] drm/mediatek: Add mt8195 DisplayPort driver

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.

Changes from v7:

As requested from CK Hu, I've split the DP driver into multiple patches
with initial support for eDP, then DP and finally Audio.

the dpi patches have also been split to isolate all the boolean/config
options added to the board config structure.

I've thus removed the "Reviewed-By" tags (from AngeloGioacchino Del Regno) touching these patches.

I've also included 2 patches from Jitao to the series:
  drm/mediatek: add hpd debounce
  drm/mediatek: change the aux retries times when receiving AUX_DEFER

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/
v7  - https://lore.kernel.org/linux-mediatek/20211217150854.2081-1-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 (11):
  drm/mediatek: dpi: move dpi limits to board config
  drm/mediatek: dpi: implement a CK/DE pol toggle in board config
  drm/mediatek: dpi: implement a swap_input toggle in board config
  drm/mediatek: dpi: move dimension mask to board config
  drm/mediatek: dpi: move dimension_mask to board config
  drm/mediatek: dpi: move swap_shift to board config
  drm/mediatek: dpi: move the yuv422_en_bit to board config
  drm/mediatek: dpi: move the csc_enable bit to board config
  drm/mediatek: dpi: Add dpintf support
  drm/mediatek: Add mt8195 External DisplayPort support
  drm/mediatek: DP audio support for mt8195

Jitao Shi (2):
  drm/mediatek: add hpd debounce
  drm/mediatek: change the aux retries times when receiving AUX_DEFER

Markus Schneider-Pargmann (6):
  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
  phy: phy-mtk-dp: Add driver for DP phy
  drm/mediatek: Add mt8195 Embedded 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             | 3067 +++++++++++++++++
 drivers/gpu/drm/mediatek/mtk_dp_reg.h         |  568 +++
 drivers/gpu/drm/mediatek/mtk_dpi.c            |  287 +-
 drivers/gpu/drm/mediatek/mtk_dpi_regs.h       |   38 +
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c   |    8 +
 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             |  199 ++
 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, 4399 insertions(+), 79 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

-- 
2.34.1