[PATCH v4 0/5] MHDP8546 fixes related to DBANC usecase

[Harikrishna Shenoy]

On 6/24/25 11:14, Jayesh Choudhary wrote:
> With the introduction of DBANC framework, the connector is no longer
> initialised in bridge_attach if that flag is set by the display
> controller.
>
> This series does some cleanup for legacy !(DRM_BRIDGE_ATTACH_NO_CONNECTOR)
> usecase and adds fixes for DRM_BRIDGE_ATTACH_NO_CONNECTOR usecase.
>
> v3 patch link:
> <https://lore.kernel.org/all/20250529142517.188786-1-j-choudhary@ti.com/>

For the series

Reviewed-by: Harikrishna Shenoy<h-shenoy at ti.com>

Tested-by: Harikrishna Shenoy<h-shenoy at ti.com>

> Changelog v3->v4:
> - Fix kernel test robot build warning:
>    <https://lore.kernel.org/all/202505300201.2s6r12yc-lkp@intel.com/>
>
> v2 patch link:
> <https://lore.kernel.org/all/20250521073237.366463-1-j-choudhary@ti.com/>
>
> Changelog v2->v3:
> - Add mode_valid in drm_bridge_funcs to a separate patch
> - Remove "if (mhdp->connector.dev)" conditions that were missed in v2
> - Split out the move of drm_atomic_get_new_connector_for_encoder()
>    to a separate patch
> - Drop "R-by" considering the changes in v2[1/3]
> - Add Fixes tag to first 4 patches:
>    commit c932ced6b585 ("drm/tidss: Update encoder/bridge chain connect model")
>    This added DBANC flag in tidss while attaching bridge to the encoder
> - Drop RFC prefix
>
> v1 patch link:
> <https://lore.kernel.org/all/20250116111636.157641-1-j-choudhary@ti.com/>
>
> Changelog v1->v2:
> - Remove !DRM_BRIDGE_ATTACH_NO_CONNECTOR entirely
> - Add mode_valid in drm_bridge_funcs[0]
> - Fix NULL POINTER differently since we cannot access atomic_state
> - Reduce log level in cdns_mhdp_transfer call
>
> [0]:https://lore.kernel.org/all/20240530091757.433106-1-j-choudhary@ti.com/
>
> Jayesh Choudhary (5):
>    drm/bridge: cadence: cdns-mhdp8546-core: Remove legacy support for
>      connector initialisation in bridge
>    drm/bridge: cadence: cdns-mhdp8546*: Change drm_connector from
>      structure to pointer
>    drm/bridge: cadence: cdns-mhdp8546-core: Set the mhdp connector
>      earlier in atomic_enable()
>    drm/bridge: cadence: cdns-mhdp8546-core: Add mode_valid hook to
>      drm_bridge_funcs
>    drm/bridge: cadence: cdns-mhdp8546-core: Reduce log level for DPCD
>      read/write
>
>   .../drm/bridge/cadence/cdns-mhdp8546-core.c   | 235 ++++--------------
>   .../drm/bridge/cadence/cdns-mhdp8546-core.h   |   2 +-
>   .../drm/bridge/cadence/cdns-mhdp8546-hdcp.c   |   8 +-
>   3 files changed, 49 insertions(+), 196 deletions(-)
>
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