linux-kernel - [PATCH RFC v7 0/6] Add Unisoc's drm kms module

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Date:   Mon, 28 Sep 2020 14:27:34 +0800
From:   Kevin Tang <kevin3.tang@...il.com>
To:     maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        sean@...rly.run, airlied@...ux.ie, daniel@...ll.ch,
        robh+dt@...nel.org, mark.rutland@....com, kevin3.tang@...il.com
Cc:     orsonzhai@...il.com, zhang.lyra@...il.com,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH RFC v7 0/6] Add Unisoc's drm kms module

ChangeList:
v1:
1. only upstream modeset and atomic at first commit. 
2. remove some unused code;
3. use alpha and blend_mode properties;
3. add yaml support;
4. remove auto-adaptive panel driver;
5. bugfix

v2:
1. add sprd crtc and plane module for KMS, preparing for multi crtc&encoder
2. remove gem drivers, use generic CMA handlers
3. remove redundant "module_init", all the sub modules loading by KMS

v3:
1. multi crtc&encoder design have problem, so rollback to v1

v4:
1. update to gcc-linaro-7.5.0
2. update to Linux 5.6-rc3
3. remove pm_runtime support
4. add COMPILE_TEST, remove unused kconfig
5. "drm_dev_put" on drm_unbind
6. fix some naming convention issue
7. remove semaphore lock for crtc flip
8. remove static variables

v5:
1. optimize encoder and connector code implementation
2. use "platform_get_irq" and "platform_get_resource"
3. drop useless function return type, drop unless debug log
4. custom properties should be separate, so drop it
5. use DRM_XXX replase pr_xxx
6. drop dsi&dphy hal callback ops
7. drop unless callback ops checking
8. add comments for sprd dpu structure

v6:
1. Access registers via readl/writel
2. Checking for unsupported KMS properties (format, rotation, blend_mode, etc) on plane_check ops
3. Remove always true checks for dpu core ops

v7:
1. Fix DTC unit name warnings
2. Fix the problem of maintainers
3. Call drmm_mode_config_init to mode config init
4. Embed drm_device in sprd_drm and use devm_drm_dev_alloc
5. Replace DRM_XXX with drm_xxx on KMS module, but not suitable for other subsystems
6. Remove plane_update stuff, dpu handles all the HW update in crtc->atomic_flush
7. Dsi&Dphy Code structure adjustment, all move to "sprd/"

Kevin Tang (6):
  dt-bindings: display: add Unisoc's drm master bindings
  drm/sprd: add Unisoc's drm kms master
  dt-bindings: display: add Unisoc's dpu bindings
  drm/sprd: add Unisoc's drm display controller driver
  dt-bindings: display: add Unisoc's mipi dsi&dphy bindings
  drm/sprd: add Unisoc's drm mipi dsi&dphy driver

 .../display/sprd/sprd,display-subsystem.yaml       |   39 +
 .../bindings/display/sprd/sprd,sharkl3-dpu.yaml    |   83 ++
 .../display/sprd/sprd,sharkl3-dsi-host.yaml        |   98 ++
 .../display/sprd/sprd,sharkl3-dsi-phy.yaml         |   75 +
 drivers/gpu/drm/Kconfig                            |    2 +
 drivers/gpu/drm/Makefile                           |    1 +
 drivers/gpu/drm/sprd/Kconfig                       |   13 +
 drivers/gpu/drm/sprd/Makefile                      |   12 +
 drivers/gpu/drm/sprd/dpu_r2p0.c                    |  636 +++++++++
 drivers/gpu/drm/sprd/dw_dsi_ctrl.c                 |  792 +++++++++++
 drivers/gpu/drm/sprd/dw_dsi_ctrl.h                 | 1475 ++++++++++++++++++++
 drivers/gpu/drm/sprd/dw_dsi_ctrl_ppi.c             |  276 ++++
 drivers/gpu/drm/sprd/dw_dsi_ctrl_ppi.h             |   34 +
 drivers/gpu/drm/sprd/megacores_pll.c               |  315 +++++
 drivers/gpu/drm/sprd/megacores_pll.h               |  146 ++
 drivers/gpu/drm/sprd/sprd_dphy.c                   |  335 +++++
 drivers/gpu/drm/sprd/sprd_dphy.h                   |   39 +
 drivers/gpu/drm/sprd/sprd_dpu.c                    |  501 +++++++
 drivers/gpu/drm/sprd/sprd_dpu.h                    |  217 +++
 drivers/gpu/drm/sprd/sprd_drm.c                    |  263 ++++
 drivers/gpu/drm/sprd/sprd_drm.h                    |   20 +
 drivers/gpu/drm/sprd/sprd_dsi.c                    | 1102 +++++++++++++++
 drivers/gpu/drm/sprd/sprd_dsi.h                    |  105 ++
 23 files changed, 6579 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml
 create mode 100644 Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dpu.yaml
 create mode 100644 Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml
 create mode 100644 Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-phy.yaml
 create mode 100644 drivers/gpu/drm/sprd/Kconfig
 create mode 100644 drivers/gpu/drm/sprd/Makefile
 create mode 100644 drivers/gpu/drm/sprd/dpu_r2p0.c
 create mode 100644 drivers/gpu/drm/sprd/dw_dsi_ctrl.c
 create mode 100644 drivers/gpu/drm/sprd/dw_dsi_ctrl.h
 create mode 100644 drivers/gpu/drm/sprd/dw_dsi_ctrl_ppi.c
 create mode 100644 drivers/gpu/drm/sprd/dw_dsi_ctrl_ppi.h
 create mode 100644 drivers/gpu/drm/sprd/megacores_pll.c
 create mode 100644 drivers/gpu/drm/sprd/megacores_pll.h
 create mode 100644 drivers/gpu/drm/sprd/sprd_dphy.c
 create mode 100644 drivers/gpu/drm/sprd/sprd_dphy.h
 create mode 100644 drivers/gpu/drm/sprd/sprd_dpu.c
 create mode 100644 drivers/gpu/drm/sprd/sprd_dpu.h
 create mode 100644 drivers/gpu/drm/sprd/sprd_drm.c
 create mode 100644 drivers/gpu/drm/sprd/sprd_drm.h
 create mode 100644 drivers/gpu/drm/sprd/sprd_dsi.c
 create mode 100644 drivers/gpu/drm/sprd/sprd_dsi.h

-- 
2.7.4