linux-kernel - Re: [PATCH v7 01/18] drm/display: bridge_connector: Ensure last bridge determines EDID/modes detection capabilities

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Message-ID: <49580dcf-28ec-47e1-83a0-65e16e3d7cdc@rock-chips.com>
Date: Wed, 17 Dec 2025 10:53:27 +0800
From: Damon Ding <damon.ding@...k-chips.com>
To: Heiko Stuebner <heiko@...ech.de>,
 Luca Ceresoli <luca.ceresoli@...tlin.com>, andrzej.hajda@...el.com,
 neil.armstrong@...aro.org, rfoss@...nel.org
Cc: Laurent.pinchart@...asonboard.com, jonas@...boo.se,
 jernej.skrabec@...il.com, maarten.lankhorst@...ux.intel.com,
 mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch,
 shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
 festevam@...il.com, inki.dae@...sung.com, sw0312.kim@...sung.com,
 kyungmin.park@...sung.com, krzk@...nel.org, alim.akhtar@...sung.com,
 jingoohan1@...il.com, p.zabel@...gutronix.de, hjc@...k-chips.com,
 andy.yan@...k-chips.com, dmitry.baryshkov@....qualcomm.com,
 dianders@...omium.org, m.szyprowski@...sung.com, jani.nikula@...el.com,
 linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
 linux-samsung-soc@...r.kernel.org, linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v7 01/18] drm/display: bridge_connector: Ensure last
 bridge determines EDID/modes detection capabilities

Hi Heiko,

On 12/16/2025 9:48 PM, Heiko Stuebner wrote:
> Am Mittwoch, 22. Oktober 2025, 03:15:52 Mitteleuropäische Normalzeit schrieb Damon Ding:
>> Hi Luca,
>>
>> On 10/21/2025 6:31 PM, Luca Ceresoli wrote:
>>> Hello Damon,
>>>
>>> On Tue Oct 21, 2025 at 4:31 AM CEST, Damon Ding wrote:
> 
>>>
>>> This does not apply on current drm-misc-next, due to the patch I mentioned
>>> in a previous iteration, now applied as commit 2be300f9a0b6 ("drm/display:
>>> bridge_connector: get/put the stored bridges").
>>>
>>> However I'm sorry I have to mention that patch turned out being buggy, so
>>> I've sent a series to apply a corrected version [0]. I suggest watching the
>>> disucssion about the fix series, and if that gets approved rebase on top of
>>> that and adapt your changes.
>>>
>>> Sorry about the mess. :(
>>>
>>> [0] https://lore.kernel.org/r/20251017-drm-bridge-alloc-getput-bridge-connector-fix-hdmi_cec-v2-0-667abf6d47c0@bootlin.com
>>>
>>>
>>
>> I saw your fix patches before sending this series. I think your patches
>> will likely be merged relatively quickly, so I plan to wait until the
>> other patches in my patch series are confirmed to be fine, then submit
>> v8 version based on the latest bridge_connector driver. :-)
> 
> I think with 6.19-rc1 out, now is a great time for v8? :-)
> 

Agreed! Luca's patches have been merged. I will reconfirm these commits 
on the latest branch and update v8 in a few day. :-)

Best regards,
Damon