[PATCH v7 2/4] drm/kmb: Add support for KeemBay Display

[Neil Armstrong]

On 31/08/2020 22:02, Anitha Chrisanthus wrote:
> This is a basic KMS atomic modesetting display driver for KeemBay family of
> SOCs. Driver has no 2D or 3D graphics.It calls into the ADV bridge
> driver at the connector level.
> 
> Single CRTC with LCD controller->mipi DSI-> ADV bridge
> 
> Only 1080p resolution and single plane is supported at this time.
> 
> v2: moved extern to .h, removed license text
>     use drm_dev_init, upclassed dev_private, removed HAVE_IRQ.(Sam)
> 
> v3: Squashed all 59 commits to one
> 
> v4: review changes from Sam Ravnborg
> 	renamed dev_p to kmb
> 	moved clocks under kmb_clock, consolidated clk initializations
> 	use drmm functions
> 	use DRM_GEM_CMA_DRIVER_OPS_VMAP
> 
> v5: corrected spellings
> v6: corrected checkpatch warnings
> v7: review changes Sam Ravnborg and Thomas Zimmerman
> 	removed kmb_crtc.h kmb_crtc_cleanup (Thomas)
> 	renamed mode_set, kmb_load, inlined unload (Thomas)
> 	moved remaining logging to drm_*(Thomas)
> 	re-orged driver initialization (Thomas)
> 	moved plane_status to drm_private (Sam)
> 	removed unnecessary logs and defines and ifdef codes (Sam)
> 	call helper_check in plane_atomic_check (Sam)
> 	renamed set to get for bpp and format functions(Sam)
> 	use drm helper functions for reset, duplicate/destroy state instead
> 	of kmb functions (Sam)
> 	removed kmb_priv from kmb_plane and removed kmb_plane_state (Sam)
> 
> Cc: Sam Ravnborg <sam at ravnborg.org>
> Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus at intel.com>
> Reviewed-by: Bob Paauwe <bob.j.paauwe at intel.com>
> ---
>  drivers/gpu/drm/kmb/kmb_crtc.c  | 224 +++++++++++++
>  drivers/gpu/drm/kmb/kmb_drv.c   | 676 ++++++++++++++++++++++++++++++++++++++++
>  drivers/gpu/drm/kmb/kmb_drv.h   | 170 ++++++++++
>  drivers/gpu/drm/kmb/kmb_plane.c | 480 ++++++++++++++++++++++++++++
>  drivers/gpu/drm/kmb/kmb_plane.h | 110 +++++++
>  5 files changed, 1660 insertions(+)
>  create mode 100644 drivers/gpu/drm/kmb/kmb_crtc.c
>  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_plane.c
>  create mode 100644 drivers/gpu/drm/kmb/kmb_plane.h
> 

[...]

> +
> +static const struct of_device_id kmb_of_match[] = {
> +	{.compatible = "intel,kmb_display"},
> +	{},
> +};

As I already commented on v1, a proper YAML bindings files
is mandatory here, to check if the bindings are correct and if
the drivers uses them correctly (port/endpoints, etc..)

Neil