On Tue, Dec 24, 2024 at 01:42:48AM +0100, Marek Vasut wrote:
> Commit a25b988ff83f ("drm/bridge: Extend bridge API to disable connector creation")
> added DRM_BRIDGE_ATTACH_NO_CONNECTOR bridge flag and all bridges handle
> this flag in some way since then.
> Newly added bridge drivers must no longer contain the connector creation and
> will fail probing if this flag isn't set.
>
> In order to be able to connect to those newly added bridges as well,
> make use of drm_bridge_connector API and have the connector initialized
> by the display controller.
>
> Based on 2e87bf389e13 ("drm/rockchip: add DRM_BRIDGE_ATTACH_NO_CONNECTOR flag to drm_bridge_attach")
>
> This makes LT9611 work with i.MX8M Plus.
>
> Signed-off-by: Marek Vasut <marex@xxxxxxx>
> ---
> Cc: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxxx>
> Cc: Fabio Estevam <festevam@xxxxxxxxx>
> Cc: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
> Cc: Jonas Karlman <jonas@xxxxxxxxx>
> Cc: Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: Liu Ying <victor.liu@xxxxxxx>
> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Maxime Ripard <mripard@xxxxxxxxxx>
> Cc: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
> Cc: Robert Foss <rfoss@xxxxxxxxxx>
> Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
> Cc: Simona Vetter <simona@xxxxxxxx>
> Cc: Stefan Agner <stefan@xxxxxxxx>
> Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: imx@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> ---
> drivers/gpu/drm/mxsfb/Kconfig | 1 +
> drivers/gpu/drm/mxsfb/lcdif_drv.c | 23 ++++++++++++++++++++++-
> 2 files changed, 23 insertions(+), 1 deletion(-)
Also please note the series at [1]. Since that time we got ycbcr420
handled properly, but handling the HDR should require DRM_BRIDGE_OP_HDMI
at least.
[1] https://lore.kernel.org/dri-devel/20241018064813.2750016-1-victor.liu@xxxxxxx/
--
With best wishes
Dmitry
