Re: [PATCH v3 19/19] drm/bridge: analogix_dp: don't create a panel_bridge

["Luca Ceresoli" <luca.ceresoli@bootlin.com>]

Hello Damon,

On Mon Sep 21, 2026 at 8:34 AM CEST, Damon Ding wrote:
> On 9/21/2026 11:07 AM, Damon Ding wrote:
>> Hi Luca,
>>
>> On 9/16/2026 9:45 PM, Luca Ceresoli wrote:
>>> Now a panel_bridge is automatically created for every drm_panel and the
>>> panel-bridge API is just a deprecated wrapper to access it.
>>>
>>> Update and simplify the code by just getting a reference to the
>>> already-existing bridge using of_drm_get_bridge_by_endpoint().
>>>
>>> As of_drm_get_bridge_by_endpoint() returns a refcounted bridge, take care
>>> of putting the bridge reference. This is not easily done in the remove
>>> path
>>> due to the different probe paths of the user drivers, so add a devm
>>> action
>>> to ensure the reference is put only when it was taken.
>>>
>>> Assisted-by: opencode:deepseek-v4-flash-0731
>>> Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
>>> ---
>>>   drivers/gpu/drm/bridge/analogix/Kconfig            |  1 -
>>>   drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 40 ++++++++++++
>>> +---------
>>>   drivers/gpu/drm/exynos/exynos_dp.c                 | 36 +
>>> +-----------------
>>>   drivers/gpu/drm/rockchip/analogix_dp-rockchip.c    |  9 -----
>>>   include/drm/bridge/analogix_dp.h                   |  1 -
>>>   5 files changed, 25 insertions(+), 62 deletions(-)
>>>
>
> [snip]
>
>>> @@ -488,14 +487,6 @@ static void rockchip_dp_remove(struct
>>> platform_device *pdev)
>>>   {
>>>       struct rockchip_dp_device *dp = platform_get_drvdata(pdev);
>
> The above unused &rockchip_dp_device could be also remved.

Ah, indeed!

I guess I can keep your review tags if applying this patch with only this
line removed. Correct?

Luca

--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com