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Message-ID: <4e7f0951-4b83-4d5c-b4e6-8d7327614840@linaro.org>
Date: Wed, 18 Dec 2024 11:22:51 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Liviu Dudau <liviu.dudau@....com>, Andrzej Hajda <andrzej.hajda@...el.com>,
Robert Foss <rfoss@...nel.org>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>,
Russell King <linux@...linux.org.uk>
Cc: linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 2/2] drm/i2c: move TDA drivers under
drivers/gpu/drm/bridge
On 15/12/2024 12:09, Dmitry Baryshkov wrote:
> TDA998x is the HDMI bridge driver, incorporating drm_connector and
> optional drm_encoder (created via the component bind API by the TICLDC
> and HDLCD drivers). Thus it should be residing together with the other
> DRM bridge drivers under drivers/gpu/drm/bridge/.
>
> TDA9950 is an I2C-CEC translator, being present on-die on the TDA9989
> and TDA19989 chips, so it is being instantiated by the TDA998x driver.
> Move it together with the TDA998x under bridge drivers subdir.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
> MAINTAINERS | 2 +-
> drivers/gpu/drm/arm/Kconfig | 1 +
> drivers/gpu/drm/bridge/Kconfig | 2 ++
> drivers/gpu/drm/bridge/Makefile | 1 +
> drivers/gpu/drm/bridge/tda/Kconfig | 13 +++++++++++++
> drivers/gpu/drm/bridge/tda/Makefile | 4 ++++
> drivers/gpu/drm/{i2c => bridge/tda}/tda9950.c | 0
> drivers/gpu/drm/{i2c => bridge/tda}/tda998x_drv.c | 0
> drivers/gpu/drm/i2c/Kconfig | 13 -------------
> drivers/gpu/drm/i2c/Makefile | 4 ----
> 10 files changed, 22 insertions(+), 18 deletions(-)
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 9a23e80abf309cbd918a74683895f8dbe0507a6e..a4c7afd564e721e14aebaf828b75776e50760a45 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -16982,7 +16982,7 @@ M: Russell King <linux@...linux.org.uk>
> S: Maintained
> T: git git://git.armlinux.org.uk/~rmk/linux-arm.git drm-tda998x-devel
> T: git git://git.armlinux.org.uk/~rmk/linux-arm.git drm-tda998x-fixes
> -F: drivers/gpu/drm/i2c/tda998x_drv.c
> +F: drivers/gpu/drm/bridge/tda/tda998x_drv.c
I'd rather move the entry it to drm-misc in the same move, I don't think
we want externally maintained bridge drivers mixed in the other bridges.
Russell, so you agree ?
Apart that:
Acked-by: Neil Armstrong <neil.armstrong@...aro.org>
Neil
> F: include/dt-bindings/display/tda998x.h
> K: "nxp,tda998x"
>
> diff --git a/drivers/gpu/drm/arm/Kconfig b/drivers/gpu/drm/arm/Kconfig
> index c901ac00c0c3a8f356bd53d97305c6b39b3e6662..ed3ed617c6884876368c8bd072c53f1b710df443 100644
> --- a/drivers/gpu/drm/arm/Kconfig
> +++ b/drivers/gpu/drm/arm/Kconfig
> @@ -9,6 +9,7 @@ config DRM_HDLCD
> select DRM_CLIENT_SELECTION
> select DRM_KMS_HELPER
> select DRM_GEM_DMA_HELPER
> + select DRM_BRIDGE # for TDA998x
> help
> Choose this option if you have an ARM High Definition Colour LCD
> controller.
> diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
> index 6b4664d91faa80f096ac6a0548ed342e802ae68b..1ef16dcc2ae53eb172604de2d6899004c080a979 100644
> --- a/drivers/gpu/drm/bridge/Kconfig
> +++ b/drivers/gpu/drm/bridge/Kconfig
> @@ -438,4 +438,6 @@ source "drivers/gpu/drm/bridge/imx/Kconfig"
>
> source "drivers/gpu/drm/bridge/synopsys/Kconfig"
>
> +source "drivers/gpu/drm/bridge/tda/Kconfig"
> +
> endmenu
> diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile
> index 97304b429a530c108dcbff906965cda091b0a7a2..52e6c9b3094bba0fd6aaf28af1b58f4bd8bf26d0 100644
> --- a/drivers/gpu/drm/bridge/Makefile
> +++ b/drivers/gpu/drm/bridge/Makefile
> @@ -43,3 +43,4 @@ obj-y += analogix/
> obj-y += cadence/
> obj-y += imx/
> obj-y += synopsys/
> +obj-y += tda/
> diff --git a/drivers/gpu/drm/bridge/tda/Kconfig b/drivers/gpu/drm/bridge/tda/Kconfig
> new file mode 100644
> index 0000000000000000000000000000000000000000..5f13e4ffc24eeaa8dd0015c7e84d0dbac93e170c
> --- /dev/null
> +++ b/drivers/gpu/drm/bridge/tda/Kconfig
> @@ -0,0 +1,13 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +config DRM_I2C_NXP_TDA998X
> + tristate "NXP Semiconductors TDA998X HDMI encoder"
> + default m if DRM_TILCDC
> + select CEC_CORE if CEC_NOTIFIER
> + select SND_SOC_HDMI_CODEC if SND_SOC
> + help
> + Support for NXP Semiconductors TDA998X HDMI encoders.
> +
> +config DRM_I2C_NXP_TDA9950
> + tristate "NXP Semiconductors TDA9950/TDA998X HDMI CEC"
> + select CEC_NOTIFIER
> + select CEC_CORE
> diff --git a/drivers/gpu/drm/bridge/tda/Makefile b/drivers/gpu/drm/bridge/tda/Makefile
> new file mode 100644
> index 0000000000000000000000000000000000000000..31fd35527d99d7eb23851d290175a3ff0c756772
> --- /dev/null
> +++ b/drivers/gpu/drm/bridge/tda/Makefile
> @@ -0,0 +1,4 @@
> +# SPDX-License-Identifier: GPL-2.0
> +tda998x-y := tda998x_drv.o
> +obj-$(CONFIG_DRM_I2C_NXP_TDA998X) += tda998x.o
> +obj-$(CONFIG_DRM_I2C_NXP_TDA9950) += tda9950.o
> diff --git a/drivers/gpu/drm/i2c/tda9950.c b/drivers/gpu/drm/bridge/tda/tda9950.c
> similarity index 100%
> rename from drivers/gpu/drm/i2c/tda9950.c
> rename to drivers/gpu/drm/bridge/tda/tda9950.c
> diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/bridge/tda/tda998x_drv.c
> similarity index 100%
> rename from drivers/gpu/drm/i2c/tda998x_drv.c
> rename to drivers/gpu/drm/bridge/tda/tda998x_drv.c
> diff --git a/drivers/gpu/drm/i2c/Kconfig b/drivers/gpu/drm/i2c/Kconfig
> index 6f19e1c35e30b0e595c1a60628a6b8cf313fcabc..3205cdb827b95209a4bba9fb126ad2df27ddbdfb 100644
> --- a/drivers/gpu/drm/i2c/Kconfig
> +++ b/drivers/gpu/drm/i2c/Kconfig
> @@ -20,17 +20,4 @@ config DRM_I2C_SIL164
> when used in pairs) TMDS transmitters, used in some nVidia
> video cards.
>
> -config DRM_I2C_NXP_TDA998X
> - tristate "NXP Semiconductors TDA998X HDMI encoder"
> - default m if DRM_TILCDC
> - select CEC_CORE if CEC_NOTIFIER
> - select SND_SOC_HDMI_CODEC if SND_SOC
> - help
> - Support for NXP Semiconductors TDA998X HDMI encoders.
> -
> -config DRM_I2C_NXP_TDA9950
> - tristate "NXP Semiconductors TDA9950/TDA998X HDMI CEC"
> - select CEC_NOTIFIER
> - select CEC_CORE
> -
> endmenu
> diff --git a/drivers/gpu/drm/i2c/Makefile b/drivers/gpu/drm/i2c/Makefile
> index a962f6f085686674ed33010345730db776815ebe..1df3869491e277ca210368c4e48efe6d11af62b6 100644
> --- a/drivers/gpu/drm/i2c/Makefile
> +++ b/drivers/gpu/drm/i2c/Makefile
> @@ -4,7 +4,3 @@ obj-$(CONFIG_DRM_I2C_CH7006) += ch7006.o
>
> sil164-y := sil164_drv.o
> obj-$(CONFIG_DRM_I2C_SIL164) += sil164.o
> -
> -tda998x-y := tda998x_drv.o
> -obj-$(CONFIG_DRM_I2C_NXP_TDA998X) += tda998x.o
> -obj-$(CONFIG_DRM_I2C_NXP_TDA9950) += tda9950.o
>
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