[PATCH v7 0/6] Add support for DisplayPort driver on SnapDragon

Tanmay Shah tanmay at codeaurora.org
Thu Jun 18 22:26:08 UTC 2020


These patches add Display-Port driver on SnapDragon/msm hardware.
This series also contains device-tree bindings for msm DP driver.
It also contains Makefile and Kconfig changes to compile msm DP driver.

The block diagram of DP driver is shown below:


                 +-------------+
                 |DRM FRAMEWORK|
                 +------+------+
                        |
                   +----v----+
                   | DP DRM  |
                   +----+----+
                        |
                   +----v----+
     +------------+|   DP    +----------++------+
     +        +---+| DISPLAY |+---+      |      |
     |        +    +-+-----+-+    |      |      |
     |        |      |     |      |      |      |
     |        |      |     |      |      |      |
     |        |      |     |      |      |      |
     v        v      v     v      v      v      v
 +------+ +------+ +---+ +----+ +----+ +---+ +-----+
 |  DP  | |  DP  | |DP | | DP | | DP | |DP | | DP  |
 |PARSER| | HPD  | |AUX| |LINK| |CTRL| |PHY| |POWER|
 +--+---+ +---+--+ +---+ +----+ +--+-+ +-+-+ +-----+
    |                              |     |
 +--v---+                         +v-----v+
 |DEVICE|                         |  DP   |
 | TREE |                         |CATALOG|
 +------+                         +---+---+
                                      |
                                  +---v----+
                                  |CTRL/PHY|
                                  |   HW   |
                                  +--------+

This series depends-on:
https://patchwork.freedesktop.org/patch/366159/

Changes in v7:

- Modify cover letter description and fix title.
- Introduce dp-controller.yaml for common bindings across SOC
- Rename dp-sc7180.yaml to dp-controller-sc7180.yaml for SC7180 bindings
- Rename compatible string to qcom,sc7180-dp
- Add assigned-clocks and assigned-clock-parents properties in bindings
- Remove redundant code from driver
- Extend series to include HPD detection logic

This series depends-on:
	https://patchwork.freedesktop.org/patch/366159/


Chandan Uddaraju (4):
  dt-bindings: msm/dp: add bindings of DP/DP-PLL driver for Snapdragon
  drm: add constant N value in helper file
  drm/msm/dp: add displayPort driver support
  drm/msm/dp: add support for DP PLL driver

Jeykumar Sankaran (1):
  drm/msm/dpu: add display port support in DPU

Tanmay Shah (1):
  drm/msm/dp: Add Display Port HPD feature

 .../display/msm/dp-controller-sc7180.yaml     |  147 ++
 .../bindings/display/msm/dp-controller.yaml   |   59 +
 .../bindings/display/msm/dpu-sc7180.yaml      |   11 +
 drivers/gpu/drm/i915/display/intel_display.c  |    2 +-
 drivers/gpu/drm/msm/Kconfig                   |   16 +
 drivers/gpu/drm/msm/Makefile                  |   14 +
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c   |   29 +-
 .../drm/msm/disp/dpu1/dpu_encoder_phys_vid.c  |    8 +
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c       |   83 +-
 drivers/gpu/drm/msm/dp/dp_aux.c               |  530 +++++
 drivers/gpu/drm/msm/dp/dp_aux.h               |   35 +
 drivers/gpu/drm/msm/dp/dp_catalog.c           | 1065 ++++++++++
 drivers/gpu/drm/msm/dp/dp_catalog.h           |   89 +
 drivers/gpu/drm/msm/dp/dp_ctrl.c              | 1707 +++++++++++++++++
 drivers/gpu/drm/msm/dp/dp_ctrl.h              |   35 +
 drivers/gpu/drm/msm/dp/dp_display.c           | 1006 ++++++++++
 drivers/gpu/drm/msm/dp/dp_display.h           |   31 +
 drivers/gpu/drm/msm/dp/dp_drm.c               |  170 ++
 drivers/gpu/drm/msm/dp/dp_drm.h               |   18 +
 drivers/gpu/drm/msm/dp/dp_hpd.c               |   69 +
 drivers/gpu/drm/msm/dp/dp_hpd.h               |   79 +
 drivers/gpu/drm/msm/dp/dp_link.c              | 1216 ++++++++++++
 drivers/gpu/drm/msm/dp/dp_link.h              |  132 ++
 drivers/gpu/drm/msm/dp/dp_panel.c             |  491 +++++
 drivers/gpu/drm/msm/dp/dp_panel.h             |   95 +
 drivers/gpu/drm/msm/dp/dp_parser.c            |  268 +++
 drivers/gpu/drm/msm/dp/dp_parser.h            |  202 ++
 drivers/gpu/drm/msm/dp/dp_pll.c               |   93 +
 drivers/gpu/drm/msm/dp/dp_pll.h               |   59 +
 drivers/gpu/drm/msm/dp/dp_pll_10nm.c          |  884 +++++++++
 drivers/gpu/drm/msm/dp/dp_pll_private.h       |  103 +
 drivers/gpu/drm/msm/dp/dp_power.c             |  392 ++++
 drivers/gpu/drm/msm/dp/dp_power.h             |  103 +
 drivers/gpu/drm/msm/dp/dp_reg.h               |  517 +++++
 drivers/gpu/drm/msm/msm_drv.c                 |    2 +
 drivers/gpu/drm/msm/msm_drv.h                 |   59 +-
 include/drm/drm_dp_helper.h                   |    1 +
 37 files changed, 9801 insertions(+), 19 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/display/msm/dp-controller-sc7180.yaml
 create mode 100644 Documentation/devicetree/bindings/display/msm/dp-controller.yaml
 create mode 100644 drivers/gpu/drm/msm/dp/dp_aux.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_aux.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_catalog.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_catalog.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_ctrl.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_ctrl.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_display.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_display.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_drm.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_drm.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_hpd.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_hpd.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_link.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_link.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_panel.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_panel.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_parser.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_parser.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_pll.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_pll.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_pll_10nm.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_pll_private.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_power.c
 create mode 100644 drivers/gpu/drm/msm/dp/dp_power.h
 create mode 100644 drivers/gpu/drm/msm/dp/dp_reg.h


base-commit: 66057dd1d1cf2149e0f5fdaee58d6ea69bc98048
prerequisite-patch-id: 8058026a54241aa728a91dd1685419afb249959e
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