[PATCH v3 2/2] drm/bridge: Pass down connector to drm bridge detect hook

[Andy Yan]

Hi Dixit, 
At 2025-07-15 06:15:13, "Dixit, Ashutosh" <ashutosh.dixit at intel.com> wrote:
>On Thu, 03 Jul 2025 14:27:43 -0700, Dmitry Baryshkov wrote:
>>
>> On Thu, Jul 03, 2025 at 08:49:53PM +0800, Andy Yan wrote:
>
>Hi Andy,
>
>> > From: Andy Yan <andy.yan at rock-chips.com>
>> >
>> > In some application scenarios, we hope to get the corresponding
>> > connector when the bridge's detect hook is invoked.
>> >
>> > In most cases, we can get the connector by drm_atomic_get_connector_for_encoder
>> > if the encoder attached to the bridge is enabled, however there will
>> > still be some scenarios where the detect hook of the bridge is called
>> > but the corresponding encoder has not been enabled yet. For instance,
>> > this occurs when the device is hot plug in for the first time.
>> >
>> > Since the call to bridge's detect is initiated by the connector, passing
>> > down the corresponding connector directly will make things simpler.
>> >
>> > Signed-off-by: Andy Yan <andy.yan at rock-chips.com>
>> > ---
>> >
>>
>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
>
>This seems to be breaking 'make allmodconfig'. This is what is being seen:
>
>../drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c: In function ‘ge_b850v3_lvds_detect’:
>../drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c:145:16: error: too few arguments to function ‘ge_b850v3_lvds_bridge_detect’
>  145 |         return ge_b850v3_lvds_bridge_detect(&ge_b850v3_lvds_ptr->bridge);
>      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>../drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c:124:1: note: declared here
>  124 | ge_b850v3_lvds_bridge_detect(struct drm_bridge *bridge, struct drm_connector *connector)
>      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>../drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c:146:1: error: control reaches end of non-void function [-Werror=return-type]
>  146 | }
>      | ^
>
>Could you please post a fix for this. Maybe do 'make allmodconfig' to check

>if you haven't missed anything else.


Thanks for catching this. I have sent a fix for this:
https://lore.kernel.org/dri-devel/20250715054754.800765-1-andyshrk@163.com/T/#u

And before releasing the fix patch this time, I had already ensured that the "make allmodconfig" compilation was successful.


Many thanks.
 >
>Thanks.
>--
>Ashutosh