Re: [PATCH v8 0/6] Add support for DisplayPort driver on SnapDragon

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On Tue, Jun 30, 2020 at 11:45:01AM -0700, Tanmay Shah wrote:
> 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   |
>                                   +--------+
> 
> 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
> 
> Changes in v8:
> 
> - Add MDSS AHB clock in bindings 
> - Replace mode->vrefresh use with drm_mode_vrefresh API
> - Remove redundant aux config code from parser and aux module
> - Assign default max lanes if data-lanes property is not available
> - Fix use-after-free during DP driver remove
> - Unregister hardware clocks during driver cleanup
> 
> This series depends-on:
> 	https://patchwork.freedesktop.org/patch/366159/

If a single patch is a dependency, please coordinate your work and send 
as 1 series.

To put it another way, I'm just going to ignore this series until the 
dependency is sorted out.
 
> 	https://patchwork.freedesktop.org/patch/369859/

Probably the same goes for this too, but I care less as it's not the 
binding...

> 
> 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     |  144 ++
>  .../bindings/display/msm/dp-controller.yaml   |   61 +
>  .../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               |  510 +++++
>  drivers/gpu/drm/msm/dp/dp_aux.h               |   29 +
>  drivers/gpu/drm/msm/dp/dp_catalog.c           | 1060 ++++++++++
>  drivers/gpu/drm/msm/dp/dp_catalog.h           |  104 +
>  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           | 1017 ++++++++++
>  drivers/gpu/drm/msm/dp/dp_display.h           |   31 +
>  drivers/gpu/drm/msm/dp/dp_drm.c               |  168 ++
>  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             |  490 +++++
>  drivers/gpu/drm/msm/dp/dp_panel.h             |   95 +
>  drivers/gpu/drm/msm/dp/dp_parser.c            |  267 +++
>  drivers/gpu/drm/msm/dp/dp_parser.h            |  138 ++
>  drivers/gpu/drm/msm/dp/dp_pll.c               |   99 +
>  drivers/gpu/drm/msm/dp/dp_pll.h               |   61 +
>  drivers/gpu/drm/msm/dp/dp_pll_10nm.c          |  917 +++++++++
>  drivers/gpu/drm/msm/dp/dp_pll_private.h       |  111 ++
>  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, 9776 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: 0a19b068acc47d05212f03e494381926dc0381e2
> prerequisite-patch-id: 8058026a54241aa728a91dd1685419afb249959e
> prerequisite-patch-id: ed730eb83f84501579332a0f0ab98f7ef649e868
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
> 
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