linux-kernel - Re: [PATCH v7 drm-dp 5/9] drm/hisilicon/hibmc: Getting connector info and EDID by using AUX channel

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Message-ID: <87v7ru6bfk.fsf@intel.com>
Date: Thu, 27 Mar 2025 11:59:59 +0200
From: Jani Nikula <jani.nikula@...ux.intel.com>
To: Yongbang Shi <shiyongbang@...wei.com>, xinliang.liu@...aro.org,
 tiantao6@...ilicon.com, maarten.lankhorst@...ux.intel.com,
 mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com,
 daniel@...ll.ch, kong.kongxinwei@...ilicon.com
Cc: liangjian010@...wei.com, chenjianmin@...wei.com, lidongming5@...wei.com,
 libaihan@...wei.com, shenjian15@...wei.com, shaojijie@...wei.com,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 shiyongbang@...wei.com
Subject: Re: [PATCH v7 drm-dp 5/9] drm/hisilicon/hibmc: Getting connector
 info and EDID by using AUX channel

On Thu, 27 Mar 2025, Yongbang Shi <shiyongbang@...wei.com> wrote:
> 在 2025/3/26 17:32, Jani Nikula 写道:
>> On Tue, 25 Mar 2025, Yongbang Shi <shiyongbang@...wei.com> wrote:
>>>> On Mon, 24 Mar 2025, Yongbang Shi <shiyongbang@...wei.com> wrote:
>>>>>> On Wed, 19 Mar 2025, Yongbang Shi <shiyongbang@...wei.com> wrote:
>>>>>>> From: Baihan Li <libaihan@...wei.com>
>>>>>>>
>>>>>>> Add registering drm_aux and use it to get connector edid with drm
>>>>>>> functions. Add ddc channel in connector initialization to put drm_aux
>>>>>>> in drm_connector.
>>>>>>>
>>>>>>> Signed-off-by: Baihan Li <libaihan@...wei.com>
>>>>>>> Signed-off-by: Yongbang Shi <shiyongbang@...wei.com>
>>>>>>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>>>>>>> ---
>>>>>>> ChangeLog:
>>>>>>> v6 -> v7:
>>>>>>>      - add if statement about drm aux in hibmc_dp_connector_get_modes(), suggested by Jani Nikula
>>>>>> I don't understand this, and I did not suggest such a thing.
>>>>>>
>>>>>> BR,
>>>>>> Jani.
>>>>>>
>>>>> Hi Jani,
>>>>>
>>>>> Is the modification of v8 correct?
>>>> I never received that for whatever reason.
>>> Here's the link: https://lore.kernel.org/all/20250320101455.2538835-1-shiyongbang@huawei.com/
>> Thanks.
>>
>> The EDID handling looks fine.
>>
>> AFAICT you leak dp->aux.name though.
>>
>>
>> BR,
>> Jani.
>
> Thanks for for reminding me, actually the dp->aux.name was written because I misunderstood what you meant in V7,
> and I deleted it in V8.

This is in the link you posted:

+	dp->aux.name = kasprintf(GFP_KERNEL, "HIBMC DRM dp aux");



>
> Thanks,
> Baihan.
>
>>
>>

-- 
Jani Nikula, Intel