[Intel-gfx] [PATCH 00/59] Add support for Keem Bay DRM driver

[Neil Armstrong]

Hi,

On 30/06/2020 23:27, Anitha Chrisanthus wrote:
> This is a new DRM driver for Intel's KeemBay SOC.
> The SoC couples an ARM Cortex A53 CPU with an Intel
> Movidius VPU.
> 
> This driver is tested with the KMB EVM board which is the refernce baord
> for Keem Bay SOC. The SOC's display pipeline is as follows
> 
> +--------------+    +---------+    +-----------------------+
> |LCD controller| -> |Mipi DSI | -> |Mipi to HDMI Converter |
> +--------------+    +---------+    +-----------------------+
> 
> LCD controller and Mipi DSI transmitter are part of the SOC and 
> mipi to HDMI converter is ADV7535 for KMB EVM board.
> 
> The DRM driver is a basic KMS atomic modesetting display driver and
> has no 2D or 3D graphics.It calls into the ADV bridge driver at 
> the connector level.
> 
> Only 1080p resolution and single plane is supported at this time.
> The usecase is for debugging video and camera outputs.
> 
> Since we are just starting the upstream process, the KMB EVM board is not in
> mainline and so Device tree changes are missing.

A proper Yaml bindings file is then necessary even if the platform is not
mainline.

Neil

> 
> Anitha Chrisanthus (52):
>   drm/kmb: Add support for KeemBay Display
>   drm/kmb: Added id to kmb_plane
>   drm/kmb: Set correct values in the LAYERn_CFG register
>   drm/kmb: Use biwise operators for register definitions
>   drm/kmb: Updated kmb_plane_atomic_check
>   drm/kmb: Initial check-in for Mipi DSI
>   drm/kmb: Set OUT_FORMAT_CFG register
>   drm/kmb: Added mipi_dsi_host initialization
>   drm/kmb: Part 1 of Mipi Tx Initialization
>   drm/kmb: Part 2 of Mipi Tx Initialization
>   drm/kmb: Use correct mmio offset from data book
>   drm/kmb: Part3 of Mipi Tx initialization
>   drm/kmb: Part4 of Mipi Tx Initialization
>   drm/kmb: Correct address offsets for mipi registers
>   drm/kmb: Part5 of Mipi Tx Intitialization
>   drm/kmb: Part6 of Mipi Tx Initialization
>   drm/kmb: Part7 of Mipi Tx Initialization
>   drm/kmb: Part8 of Mipi Tx Initialization
>   drm/kmb: Added ioremap/iounmap for register access
>   drm/kmb: Register IRQ for LCD
>   drm/kmb: IRQ handlers for LCD and mipi dsi
>   drm/kmb: Set hardcoded values to LCD_VSYNC_START
>   drm/kmb: Additional register programming to update_plane
>   drm/kmb: Add ADV7535 bridge
>   drm/kmb: Display clock enable/disable
>   drm/kmb: rebase to newer kernel version
>   drm/kmb: minor name change to match device tree
>   drm/kmb: Changed MMIO size
>   drm/kmb: Defer Probe
>   drm/kmb: call bridge init in the very beginning
>   drm/kmb: Enable MSS_CAM_CLK_CTRL for LCD and MIPI
>   drm/kmb: Set MSS_CAM_RSTN_CTRL along with enable
>   drm/kmb: Mipi DPHY initialization changes
>   drm/kmb: Fixed driver unload
>   drm/kmb: Added LCD_TEST config
>   drm/kmb: Changes for LCD to Mipi
>   drm/kmb: Update LCD programming to match MIPI
>   drm/kmb: Changed name of driver to kmb-drm
>   drm/kmb: Mipi settings from input timings
>   drm/kmb: Enable LCD interrupts
>   drm/kmb: Enable LCD interrupts during modeset
>   drm/kmb: Don’t inadvertantly disable LCD controller
>   drm/kmb: SWAP R and B LCD Layer order
>   drm/kmb: Disable ping pong mode
>   drm/kmb: Do the layer initializations only once
>   drm/kmb: disable the LCD layer in EOF irq handler
>   drm/kmb: Initialize uninitialized variables
>   drm/kmb: Added useful messages in LCD ISR
>   kmb/drm: Prune unsupported modes
>   drm/kmb: workaround for dma undeflow issue
>   drm/kmb: Get System Clock from SCMI
>   drm/kmb: work around for planar formats
> 
> Edmund Dea (7):
>   drm/kmb: Cleanup probe functions
>   drm/kmb: Revert dsi_host back to a static variable
>   drm/kmb: Initialize clocks for clk_msscam, clk_mipi_ecfg, &
>     clk_mipi_cfg.
>   drm/kmb: Remove declaration of irq_lcd/irq_mipi
>   drm/kmb: Enable MIPI TX HS Test Pattern Generation
>   drm/kmb: Write to LCD_LAYERn_CFG only once
>   drm/kmb: Cleaned up code
> 
>  drivers/gpu/drm/Kconfig         |    2 +
>  drivers/gpu/drm/Makefile        |    1 +
>  drivers/gpu/drm/kmb/Kconfig     |   12 +
>  drivers/gpu/drm/kmb/Makefile    |    2 +
>  drivers/gpu/drm/kmb/kmb_crtc.c  |  243 +++++
>  drivers/gpu/drm/kmb/kmb_crtc.h  |   61 ++
>  drivers/gpu/drm/kmb/kmb_drv.c   |  828 +++++++++++++++++
>  drivers/gpu/drm/kmb/kmb_drv.h   |  196 ++++
>  drivers/gpu/drm/kmb/kmb_dsi.c   | 1950 +++++++++++++++++++++++++++++++++++++++
>  drivers/gpu/drm/kmb/kmb_dsi.h   |  390 ++++++++
>  drivers/gpu/drm/kmb/kmb_plane.c |  538 +++++++++++
>  drivers/gpu/drm/kmb/kmb_plane.h |  142 +++
>  drivers/gpu/drm/kmb/kmb_regs.h  |  758 +++++++++++++++
>  13 files changed, 5123 insertions(+)
>  create mode 100644 drivers/gpu/drm/kmb/Kconfig
>  create mode 100644 drivers/gpu/drm/kmb/Makefile
>  create mode 100644 drivers/gpu/drm/kmb/kmb_crtc.c
>  create mode 100644 drivers/gpu/drm/kmb/kmb_crtc.h
>  create mode 100644 drivers/gpu/drm/kmb/kmb_drv.c
>  create mode 100644 drivers/gpu/drm/kmb/kmb_drv.h
>  create mode 100644 drivers/gpu/drm/kmb/kmb_dsi.c
>  create mode 100644 drivers/gpu/drm/kmb/kmb_dsi.h
>  create mode 100644 drivers/gpu/drm/kmb/kmb_plane.c
>  create mode 100644 drivers/gpu/drm/kmb/kmb_plane.h
>  create mode 100644 drivers/gpu/drm/kmb/kmb_regs.h
>