[PATCH v2 31/34] drm/bridge: imx8*-ldb: convert to devm_drm_bridge_alloc() API

[Liu Ying]

On 04/25/2025, Luca Ceresoli wrote:
> This is the new API for allocating DRM bridges.
> 
> These two drivers are tangled together by the ldb_add_bridge_helper(), so
> they are converted at once.
> 
> They also have a similar design, each embedding an array of channels in
> their main struct, and each channel embeds a drm_bridge. This prevents
> dynamic, refcount-based deallocation of the bridges.
> 
> To make the new, dynamic bridge allocation possible:
> 
>  * change the array of channels into an array of channel pointers
>  * allocate each channel using devm_drm_bridge_alloc()
>  * adapt ldb_add_bridge_helper() to not set the funcs pointer
>    (now done by devm_drm_bridge_alloc())
>  * adapt the code wherever using the channels
> 
> Signed-off-by: Luca Ceresoli <luca.ceresoli at bootlin.com>
> 
> ---
> 
> Cc: Liu Ying <victor.liu at nxp.com>
> ---
>  drivers/gpu/drm/bridge/imx/imx-ldb-helper.c |  4 +---
>  drivers/gpu/drm/bridge/imx/imx-ldb-helper.h |  3 +--
>  drivers/gpu/drm/bridge/imx/imx8qm-ldb.c     | 32 ++++++++++++++++++-----------
>  drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c    | 20 ++++++++++++------
>  4 files changed, 36 insertions(+), 23 deletions(-)

Acked-by: Liu Ying <victor.liu at nxp.com>