linux-kernel - Re: [PATCH v4 drm-dp 06/11] drm/hisilicon/hibmc: add dp mode valid check

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Message-ID: <4eaddd73-f724-423f-8bbd-7f48e6d06856@huawei.com>
Date: Mon, 18 Aug 2025 15:43:12 +0800
From: Yongbang Shi <shiyongbang@...wei.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
CC: <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>, <liangjian010@...wei.com>,
	<chenjianmin@...wei.com>, <fengsheng5@...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 v4 drm-dp 06/11] drm/hisilicon/hibmc: add dp mode valid
 check


> On Wed, Aug 13, 2025 at 05:42:33PM +0800, Yongbang Shi wrote:
>> From: Baihan Li <libaihan@...wei.com>
>>
>> If DP is connected, check the DP BW in mode_valid_ctx() to ensure
>> that DP's link rate supports high-resolution data transmission.
>>
>> Fixes: f9698f802e50 ("drm/hisilicon/hibmc: Restructuring the header dp_reg.h")
> Why?

Sorry, it should be 0ab6ea261c1f ("drm/hisilicon/hibmc: add dp module in hibmc").

Thanks，
Baihan Li


>> Signed-off-by: Baihan Li <libaihan@...wei.com>
>> Signed-off-by: Yongbang Shi <shiyongbang@...wei.com>
>> ---
>> ChangeLog:
>> v3 -> v4:
>>    - Remove the clock check, suggested by Dmitry Baryshkov.
>>    - ( I'll add them in next series after redesigning this part)