[PATCH v4 0/3] Add initial ZTE VOU DRM/KMS driver

[Shawn Guo]

Hi David, Daniel,

On Mon, Oct 31, 2016 at 05:17:22PM +0800, Shawn Guo wrote:
> From: Shawn Guo <shawn.guo at linaro.org>
> 
> The series adds the initial ZTE VOU display controller DRM/KMS driver.
> There are still some features to be added, like overlay plane, scaling,
> and more output devices support.  But it's already useful with dual
> CRTCs and HDMI display working.

After a few rounds of reviewing (thanks to all reviewers), it seems that
the series is ready for merging, I guess?  If so, could you suggest how
we proceed?  I can prepare a pull request if you like.  Thanks.

Shawn

> Changes for v4:
>  - Move the hardware setup done in zx_hdmi_hw_init() and clock enable
>    into .enable hook of drm_encoder_helper_funcs.
>  - Compare pipe to crtc->index instead of using our own index counter.
>  - Save the pipe check in zx_vou_enable[disable]_vblank by putting frame
>    interrupt bit into zx_crtc_bits.
>  - Use DRM_DEV_* for log messages instead of old dev_* functions
>  - Return directly in case of -ETIMEDOUT in zx_hdmi_i2c_read to simplify
>    the code for error condition.
>  - Shuffle things around to make the crtc and plane state check in
>    zx_gl_plane_atomic_check a bit clearer
>  - Move hardware register definitions into headers instead of disturbing
>    C file reading.
>  - Save the call to drm_connector_unregister(), so that
>    drm_connector_cleanup can directly be used as drm_connector_funcs
>    .destroy hook.
>  - Move vblank notification from .atomic_begin hook to .atomic_flush,
>    so that vblank event is sent to user space after planes are committed
>    rather than before.
> 
> Changes for v3:
>  - Rebase to v4.9-rc1
>  - Update bindings doc to use 'ranges' for address translation between
>    parent and child devices.
>  - Call drm_dev_register() last in bind function and drm_dev_unregister()
>    first in unbind, so that drm_connector_regiser() can be saved from
>    HDMI driver.
>  - Instead of using open-coded drm_do_get_edid(), add an I2C adapter for
>    HDMI DDC read and use drm_get_edid().
>  - Improve the plane .atomic_check implementation by calling helper
>    function drm_plane_helper_check_state().
>  - Rename zx_crtc.c to zx_vou.c to avoid the confusion that the file
>    implements crtc instance.
>  - Store vou pointer in zx_crtc, so that we do not need to embed the
>    pointer in zx_drm_private.
>  - Create zx_readl/zx_writel/zx_writel_mask for register access.
>  - Define a few macro helpers to ease the register bit setting, like
>    SYNC_WIDE, BACK_PORCH and FRONT_PORCH.
>  - Define main/aux channel specific register offset and bits in zx_crtc
>    to save the use of is_main check
>  - Sort include headers alphabetically
>  - Removing encoder pointer out of the structure and constify struct
>    vou_inf
>  - Add log message for error conditions
>  - Make the function calls in teardown path asymmetrical
>  - A few coding style improvements like defining macro for sub-module
>    address and changing code to save indentation level
>  - Add a MAINTAINERS entry for ZTE ZX DRM driver
> 
> Changes for v2:
>  - Change device tree bindings to kill the virtual display-subsystem
>    node make VOU the parent node.
> 
> Shawn Guo (3):
>   dt-bindings: add bindings doc for ZTE VOU display controller
>   drm: zte: add initial vou drm driver
>   MAINTAINERS: add an entry for ZTE ZX DRM driver
> 
>  .../devicetree/bindings/display/zte,vou.txt        |  84 +++
>  MAINTAINERS                                        |   7 +
>  drivers/gpu/drm/Kconfig                            |   2 +
>  drivers/gpu/drm/Makefile                           |   1 +
>  drivers/gpu/drm/zte/Kconfig                        |   8 +
>  drivers/gpu/drm/zte/Makefile                       |   7 +
>  drivers/gpu/drm/zte/zx_drm_drv.c                   | 267 +++++++++
>  drivers/gpu/drm/zte/zx_drm_drv.h                   |  36 ++
>  drivers/gpu/drm/zte/zx_hdmi.c                      | 624 +++++++++++++++++++
>  drivers/gpu/drm/zte/zx_hdmi_regs.h                 |  56 ++
>  drivers/gpu/drm/zte/zx_plane.c                     | 299 ++++++++++
>  drivers/gpu/drm/zte/zx_plane.h                     |  26 +
>  drivers/gpu/drm/zte/zx_plane_regs.h                |  91 +++
>  drivers/gpu/drm/zte/zx_vou.c                       | 661 +++++++++++++++++++++
>  drivers/gpu/drm/zte/zx_vou.h                       |  46 ++
>  drivers/gpu/drm/zte/zx_vou_regs.h                  | 157 +++++
>  16 files changed, 2372 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/zte,vou.txt
>  create mode 100644 drivers/gpu/drm/zte/Kconfig
>  create mode 100644 drivers/gpu/drm/zte/Makefile
>  create mode 100644 drivers/gpu/drm/zte/zx_drm_drv.c
>  create mode 100644 drivers/gpu/drm/zte/zx_drm_drv.h
>  create mode 100644 drivers/gpu/drm/zte/zx_hdmi.c
>  create mode 100644 drivers/gpu/drm/zte/zx_hdmi_regs.h
>  create mode 100644 drivers/gpu/drm/zte/zx_plane.c
>  create mode 100644 drivers/gpu/drm/zte/zx_plane.h
>  create mode 100644 drivers/gpu/drm/zte/zx_plane_regs.h
>  create mode 100644 drivers/gpu/drm/zte/zx_vou.c
>  create mode 100644 drivers/gpu/drm/zte/zx_vou.h
>  create mode 100644 drivers/gpu/drm/zte/zx_vou_regs.h
> 
> -- 
> 1.9.1
>