[DPU,v4,0/5] Add support for DisplayPort driver on SnapDragon.

Message

Vara Reddy March 5, 2020, 12:10 a.m. UTC

These patches add support for Display-Port driver on SnapDragon 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| | HPD  | |AUX| |LINK| |CTRL| |PHY| |POWER|
 +--+---+ +---+--+ +---+ +----+ +--+-+ +-+-+ +-----+
    |                              |     |
 +--v---+                         +v-----v+
 |DEVICE|                         |  DP   |
 | TREE |                         |CATALOG|
 +------+                         +---+---+
                                      |
                                  +---v----+
                                  |CTRL/PHY|
                                  |   HW   |
                                  +--------+


These patches have dependency on clock driver changes mentioned below:
https://patchwork.kernel.org/patch/11245895/ 
https://patchwork.kernel.org/project/linux-clk/list/?series=153657

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

 .../devicetree/bindings/display/msm/dp.txt         |  252 +++
 .../devicetree/bindings/display/msm/dpu.txt        |   16 +-
 drivers/gpu/drm/i915/display/intel_display.c       |    2 +-
 drivers/gpu/drm/msm/Kconfig                        |   22 +
 drivers/gpu/drm/msm/Makefile                       |   17 +
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c        |   28 +-
 .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c   |    8 +
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c            |   65 +-
 drivers/gpu/drm/msm/dp/dp_aux.c                    |  549 +++++++
 drivers/gpu/drm/msm/dp/dp_aux.h                    |   37 +
 drivers/gpu/drm/msm/dp/dp_catalog.c                | 1118 +++++++++++++
 drivers/gpu/drm/msm/dp/dp_catalog.h                |   87 +
 drivers/gpu/drm/msm/dp/dp_ctrl.c                   | 1727 ++++++++++++++++++++
 drivers/gpu/drm/msm/dp/dp_ctrl.h                   |   35 +
 drivers/gpu/drm/msm/dp/dp_display.c                | 1025 ++++++++++++
 drivers/gpu/drm/msm/dp/dp_display.h                |   31 +
 drivers/gpu/drm/msm/dp/dp_drm.c                    |  176 ++
 drivers/gpu/drm/msm/dp/dp_drm.h                    |   19 +
 drivers/gpu/drm/msm/dp/dp_hpd.c                    |   87 +
 drivers/gpu/drm/msm/dp/dp_hpd.h                    |   81 +
 drivers/gpu/drm/msm/dp/dp_link.c                   | 1246 ++++++++++++++
 drivers/gpu/drm/msm/dp/dp_link.h                   |  140 ++
 drivers/gpu/drm/msm/dp/dp_panel.c                  |  500 ++++++
 drivers/gpu/drm/msm/dp/dp_panel.h                  |   95 ++
 drivers/gpu/drm/msm/dp/dp_parser.c                 |  507 ++++++
 drivers/gpu/drm/msm/dp/dp_parser.h                 |  228 +++
 drivers/gpu/drm/msm/dp/dp_power.c                  |  563 +++++++
 drivers/gpu/drm/msm/dp/dp_power.h                  |   51 +
 drivers/gpu/drm/msm/dp/dp_reg.h                    |  489 ++++++
 drivers/gpu/drm/msm/dp/pll/dp_pll.c                |  136 ++
 drivers/gpu/drm/msm/dp/pll/dp_pll.h                |   57 +
 drivers/gpu/drm/msm/dp/pll/dp_pll_10nm.c           |  406 +++++
 drivers/gpu/drm/msm/dp/pll/dp_pll_10nm.h           |   86 +
 drivers/gpu/drm/msm/dp/pll/dp_pll_10nm_util.c      |  524 ++++++
 drivers/gpu/drm/msm/msm_drv.c                      |    2 +
 drivers/gpu/drm/msm/msm_drv.h                      |   53 +-
 include/drm/drm_dp_helper.h                        |    2 +
 37 files changed, 10444 insertions(+), 23 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_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_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