[Freedreno] [DPU PATCH 0/3] Add support for DisplayPort driver on SnapDragon 845

Jeykumar Sankaran jsanka at codeaurora.org
Wed Oct 10 18:03:35 UTC 2018


On 2018-10-10 10:15, Chandan Uddaraju wrote:
> These patches add support for Display-Port driver on SnapDragon 845
> hardware. It adds
> DP driver and DP PLL driver files along with the needed device-tree
> bindings.
> 
> 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| |EXTCON| |AUX| |LINK| |CTRL| |PHY| |POWER|
>  +--+---+ +---+--+ +---+ +----+ +--+-+ +-+-+ +-----+
>     |         |                    |     |
>  +--v---+ +---v-----+             +v-----v+
>  |DEVICE| |EXTCON   |             |  DP   |
>  | TREE | |INTERFACE|             |CATALOG|
>  +------+ +---------+             +---+---+
>                                       |
>                                   +---v----+
>                                   |CTRL/PHY|
>                                   |   HW   |
>                                   +--------+
> 
It will be more helpful to have this block diagram in

[DPU PATCH 2/3] drm/msm/dp: add displayPort driver support

Thanks,
Jeykumar S.


> 
> These patches have dependency on clock driver changes mentioned below:
> https://patchwork.kernel.org/patch/10632753/
> https://patchwork.kernel.org/patch/10632757/
> 
> 
> 
> Chandan Uddaraju (3):
>   dt-bindings: msm/dp: add bindings of DP/DP-PLL driver for Snapdragon
>     845
>   drm/msm/dp: add displayPort driver support
>   drm/msm/dp: add support for DP PLL driver
> 
>  .../devicetree/bindings/display/msm/dp.txt         |  249 ++++
>  .../devicetree/bindings/display/msm/dpu.txt        |   16 +-
>  drivers/gpu/drm/msm/Kconfig                        |   25 +
>  drivers/gpu/drm/msm/Makefile                       |   21 +-
>  drivers/gpu/drm/msm/disp/dpu1/dpu_io_util.c        |  206 +++
>  drivers/gpu/drm/msm/disp/dpu1/dpu_io_util.h        |   44 +
>  drivers/gpu/drm/msm/dp/dp_aux.c                    |  570 +++++++
>  drivers/gpu/drm/msm/dp/dp_aux.h                    |   44 +
>  drivers/gpu/drm/msm/dp/dp_catalog.c                | 1188 
> +++++++++++++++
>  drivers/gpu/drm/msm/dp/dp_catalog.h                |  144 ++
>  drivers/gpu/drm/msm/dp/dp_ctrl.c                   | 1476
> +++++++++++++++++++
>  drivers/gpu/drm/msm/dp/dp_ctrl.h                   |   50 +
>  drivers/gpu/drm/msm/dp/dp_debug.c                  |  507 +++++++
>  drivers/gpu/drm/msm/dp/dp_debug.h                  |   81 +
>  drivers/gpu/drm/msm/dp/dp_display.c                | 1027 
> +++++++++++++
>  drivers/gpu/drm/msm/dp/dp_display.h                |   58 +
>  drivers/gpu/drm/msm/dp/dp_drm.c                    |  542 +++++++
>  drivers/gpu/drm/msm/dp/dp_drm.h                    |   52 +
>  drivers/gpu/drm/msm/dp/dp_extcon.c                 |  400 +++++
>  drivers/gpu/drm/msm/dp/dp_extcon.h                 |  111 ++
>  drivers/gpu/drm/msm/dp/dp_link.c                   | 1549
> ++++++++++++++++++++
>  drivers/gpu/drm/msm/dp/dp_link.h                   |  184 +++
>  drivers/gpu/drm/msm/dp/dp_panel.c                  |  624 ++++++++
>  drivers/gpu/drm/msm/dp/dp_panel.h                  |  121 ++
>  drivers/gpu/drm/msm/dp/dp_parser.c                 |  679 +++++++++
>  drivers/gpu/drm/msm/dp/dp_parser.h                 |  208 +++
>  drivers/gpu/drm/msm/dp/dp_power.c                  |  652 ++++++++
>  drivers/gpu/drm/msm/dp/dp_power.h                  |   59 +
>  drivers/gpu/drm/msm/dp/dp_reg.h                    |  357 +++++
>  drivers/gpu/drm/msm/dp/pll/dp_pll.c                |  153 ++
>  drivers/gpu/drm/msm/dp/pll/dp_pll.h                |   64 +
>  drivers/gpu/drm/msm/dp/pll/dp_pll_10nm.c           |  401 +++++
>  drivers/gpu/drm/msm/dp/pll/dp_pll_10nm.h           |   94 ++
>  drivers/gpu/drm/msm/dp/pll/dp_pll_10nm_util.c      |  531 +++++++
>  drivers/gpu/drm/msm/msm_drv.c                      |    2 +
>  drivers/gpu/drm/msm/msm_drv.h                      |   22 +
>  include/drm/drm_dp_helper.h                        |   19 +
>  37 files changed, 12525 insertions(+), 5 deletions(-)
>  create mode 100644 
> Documentation/devicetree/bindings/display/msm/dp.txt
>  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_debug.c
>  create mode 100644 drivers/gpu/drm/msm/dp/dp_debug.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_extcon.c
>  create mode 100644 drivers/gpu/drm/msm/dp/dp_extcon.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_power.c
>  create mode 100644 drivers/gpu/drm/msm/dp/dp_power.h
>  create mode 100644 drivers/gpu/drm/msm/dp/dp_reg.h
>  create mode 100644 drivers/gpu/drm/msm/dp/pll/dp_pll.c
>  create mode 100644 drivers/gpu/drm/msm/dp/pll/dp_pll.h
>  create mode 100644 drivers/gpu/drm/msm/dp/pll/dp_pll_10nm.c
>  create mode 100644 drivers/gpu/drm/msm/dp/pll/dp_pll_10nm.h
>  create mode 100644 drivers/gpu/drm/msm/dp/pll/dp_pll_10nm_util.c

-- 
Jeykumar S


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