Re: [PATCH v5 3/9] drm: bridge: inno-hdmi: add inno bridge driver.

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On Wed, Nov 20, 2024 at 02:18:42PM +0800, keith zhao wrote:
> move rochchip inno hdmi connector to a newly created directory named
> inno-hdmi.c, and rename rockchip/inno_hdmi.c to
> rockchip/inno_hdmi-rockchip.c
> 
> This patch refines the Innosilicon HDMI architecture by abstracting
> the existing connector into a bridge architecture.
> The drm_bridge_connector_init function is used to create the connector.
> 
> Signed-off-by: keith zhao <keith.zhao@xxxxxxxxxxxxxxxx>
> ---
>  MAINTAINERS                                   |    2 +
>  drivers/gpu/drm/bridge/Kconfig                |    2 +
>  drivers/gpu/drm/bridge/Makefile               |    1 +
>  drivers/gpu/drm/bridge/innosilicon/Kconfig    |    6 +
>  drivers/gpu/drm/bridge/innosilicon/Makefile   |    2 +
>  .../gpu/drm/bridge/innosilicon/inno-hdmi.c    |  376 ++++++
>  .../gpu/drm/bridge/innosilicon/inno-hdmi.h    |   34 +
>  drivers/gpu/drm/rockchip/Kconfig              |    1 +
>  drivers/gpu/drm/rockchip/Makefile             |    2 +-
>  drivers/gpu/drm/rockchip/inno_hdmi-rockchip.c |  690 +++++++++++
>  .../{inno_hdmi.h => inno_hdmi-rockchip.h}     |    0
>  drivers/gpu/drm/rockchip/inno_hdmi.c          | 1025 -----------------
>  include/drm/bridge/inno_hdmi.h                |   56 +
>  13 files changed, 1171 insertions(+), 1026 deletions(-)
>  create mode 100644 drivers/gpu/drm/bridge/innosilicon/Kconfig
>  create mode 100644 drivers/gpu/drm/bridge/innosilicon/Makefile
>  create mode 100644 drivers/gpu/drm/bridge/innosilicon/inno-hdmi.c
>  create mode 100644 drivers/gpu/drm/bridge/innosilicon/inno-hdmi.h
>  create mode 100644 drivers/gpu/drm/rockchip/inno_hdmi-rockchip.c
>  rename drivers/gpu/drm/rockchip/{inno_hdmi.h => inno_hdmi-rockchip.h} (100%)
>  delete mode 100644 drivers/gpu/drm/rockchip/inno_hdmi.c
>  create mode 100644 include/drm/bridge/inno_hdmi.h
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index f787dd625497..7766ee0bdd74 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -7439,6 +7439,8 @@ S:	Maintained
>  T:	git https://gitlab.freedesktop.org/drm/misc/kernel.git
>  F:	Documentation/devicetree/bindings/display/bridge/innosilicon,inno-hdmi.yaml
>  F:	Documentation/devicetree/bindings/display/starfive/
> +F:	drivers/gpu/drm/bridge/innosilicon/
> +F:	include/drm/bridge/inno_hdmi.h
>  
>  DRM DRIVER FOR SYNAPTICS R63353 PANELS
>  M:	Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
> diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
> index 683cb33805b2..37be5dd5213f 100644
> --- a/drivers/gpu/drm/bridge/Kconfig
> +++ b/drivers/gpu/drm/bridge/Kconfig
> @@ -423,6 +423,8 @@ source "drivers/gpu/drm/bridge/cadence/Kconfig"
>  
>  source "drivers/gpu/drm/bridge/imx/Kconfig"
>  
> +source "drivers/gpu/drm/bridge/innosilicon/Kconfig"
> +
>  source "drivers/gpu/drm/bridge/synopsys/Kconfig"
>  
>  endmenu
> diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile
> index 3daf803ce80b..866d1e0fd8aa 100644
> --- a/drivers/gpu/drm/bridge/Makefile
> +++ b/drivers/gpu/drm/bridge/Makefile
> @@ -41,4 +41,5 @@ obj-$(CONFIG_DRM_ITE_IT66121) += ite-it66121.o
>  obj-y += analogix/
>  obj-y += cadence/
>  obj-y += imx/
> +obj-y += innosilicon/
>  obj-y += synopsys/
> diff --git a/drivers/gpu/drm/bridge/innosilicon/Kconfig b/drivers/gpu/drm/bridge/innosilicon/Kconfig
> new file mode 100644
> index 000000000000..73dbed3b1c4d
> --- /dev/null
> +++ b/drivers/gpu/drm/bridge/innosilicon/Kconfig
> @@ -0,0 +1,6 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +config DRM_INNO_HDMI
> +	tristate
> +	help
> +	  Support the common interface which is part of the INNO
> +	  Designware HDMI block.
> diff --git a/drivers/gpu/drm/bridge/innosilicon/Makefile b/drivers/gpu/drm/bridge/innosilicon/Makefile
> new file mode 100644
> index 000000000000..3b3a961ab9fb
> --- /dev/null
> +++ b/drivers/gpu/drm/bridge/innosilicon/Makefile
> @@ -0,0 +1,2 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +obj-$(CONFIG_DRM_INNO_HDMI) += inno-hdmi.o
> diff --git a/drivers/gpu/drm/bridge/innosilicon/inno-hdmi.c b/drivers/gpu/drm/bridge/innosilicon/inno-hdmi.c
> new file mode 100644
> index 000000000000..c26132b41bdf
> --- /dev/null
> +++ b/drivers/gpu/drm/bridge/innosilicon/inno-hdmi.c
> @@ -0,0 +1,376 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
> + *    Zheng Yang <zhengyang@xxxxxxxxxxxxxx>
> + *    Yakir Yang <ykk@xxxxxxxxxxxxxx>
> + * Copyright (C) StarFive Technology Co., Ltd.
> + */
> +
> +#include <linux/irq.h>
> +#include <linux/clk.h>
> +#include <linux/delay.h>
> +#include <linux/err.h>
> +#include <linux/i2c.h>
> +#include <linux/mutex.h>
> +#include <linux/platform_device.h>
> +
> +#include <drm/bridge/inno_hdmi.h>
> +#include <drm/display/drm_hdmi_state_helper.h>
> +#include <drm/drm_atomic.h>
> +#include <drm/drm_atomic_helper.h>
> +#include <drm/drm_edid.h>
> +#include <drm/drm_of.h>
> +#include <drm/drm_print.h>
> +#include <drm/drm_probe_helper.h>
> +#include <drm/drm_bridge.h>
> +#include <drm/drm_bridge_connector.h>
> +
> +#include "inno-hdmi.h"
> +
> +u8 hdmi_readb(struct inno_hdmi *hdmi, u16 offset)
> +{
> +	return readl_relaxed(hdmi->regs + (offset) * 0x04);
> +}
> +EXPORT_SYMBOL_GPL(hdmi_readb);

Not to mention that hdmi_foo() is too generic. Please use some common
prefix through the file. At least inno_hdmi_foo() will be much better.

-- 
With best wishes
Dmitry




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