Re: [PATCH v1 4/7] drm: remove include of drmP.h from bridge/dw_hdmi.h

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Hi Sam,

Thank you for the patch.

On Wednesday, 26 December 2018 23:03:50 EET Sam Ravnborg wrote:
> Add missing includes in dw_hdmi.h and
> fix fallout in drivers.
> 
> Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Archit Taneja <architt@xxxxxxxxxxxxxx>
> Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> Cc: Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> Cc: Fabio Estevam <fabio.estevam@xxxxxxx>
> Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>
> ---
>  drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c | 4 ++++
>  drivers/gpu/drm/rcar-du/rcar_dw_hdmi.c              | 1 +
>  include/drm/bridge/dw_hdmi.h                        | 5 ++++-
>  3 files changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
> b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c index
> 8f9c8a6b46de..c61ec4caaa84 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
> @@ -8,6 +8,10 @@
>   * it under the terms of the GNU General Public License version 2 as
>   * published by the Free Software Foundation.
>   */
> +
> +#include <linux/dma-mapping.h>
> +#include <linux/module.h>
> +
>  #include <drm/bridge/dw_hdmi.h>
> 
>  #include <sound/hdmi-codec.h>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_dw_hdmi.c
> b/drivers/gpu/drm/rcar-du/rcar_dw_hdmi.c index 75490a3e0a2a..f5b07a2e3f59
> 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_dw_hdmi.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_dw_hdmi.c
> @@ -8,6 +8,7 @@
>   */
> 
>  #include <linux/module.h>
> +#include <linux/mod_devicetable.h>

Nitpicking, _ comes before u.

>  #include <linux/platform_device.h>
> 
>  #include <drm/bridge/dw_hdmi.h>
> diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
> index ccb5aa8468e0..b0218ee75a65 100644
> --- a/include/drm/bridge/dw_hdmi.h
> +++ b/include/drm/bridge/dw_hdmi.h
> @@ -10,7 +10,10 @@
>  #ifndef __DW_HDMI__
>  #define __DW_HDMI__
> 
> -#include <drm/drmP.h>
> +#include <linux/platform_device.h>

I think you can replace this with a forward declaration of struct 
platform_device. You will likely need to handle more fallout.

> +#include <drm/drm_connector.h>
> +#include <drm/drm_modes.h>

Please add forward definitions for structures used in this file and not 
defined in the above headers. I'm thinking about struct regmap and struct 
drm_encoder. They may be defined in headers included from the above three, or 
from headers included from files including dw_hdmi.h, but we shouldn't rely on 
that as it may change.

With this fixed,

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

>  struct dw_hdmi;

-- 
Regards,

Laurent Pinchart



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