From: Jocelyn Falempe <jfalempe@redhat.com>
To: Thomas Zimmermann <tzimmermann@suse.de>,
Jammy Huang <jammy_huang@aspeedtech.com>,
airlied@redhat.com, kuohsiang_chou@aspeedtech.com,
jani.nikula@linux.intel.com, dianders@chromium.org
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v5 2/2] drm/ast: report connection status on Display Port.
Date: Thu, 13 Jul 2023 11:31:56 +0200 [thread overview]
Message-ID: <078393ae-9ef3-4531-cdd5-c271b7698d0b@redhat.com> (raw)
In-Reply-To: <7f1ccdf6-dadf-c25f-a972-f3c8add488f9@suse.de>
On 13/07/2023 11:12, Thomas Zimmermann wrote:
> Hi
>
> Am 13.07.23 um 11:05 schrieb Jammy Huang:
> [...]
>>>
>>>
>>> For the BMC connector patch, you know if there is a register setting
>>> I can check to see if a BMC is present or not ?
>>
>> I think you can use VGA CRD0[7] whose definition is as below:
>>
>> DRAM Initial Selection (see note 1)
>> 0: VBIOS Initial the DRAM
>> 1: SOC Firmware Initial the DRAM
>>
>> If CRD0[7] is 1, there is BMC.
>
> Thank you. That seems very helpful.
Thank a lot, I will run some tests, and add this check in my v6.
--
Jocelyn
>
> Best regards
> Thomas
>
>>
>>>
>>> Best regards,
>>>
>
next prev parent reply other threads:[~2023-07-13 9:32 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-13 6:40 [PATCH v5 1/2] drm/ast: Add BMC virtual connector Jocelyn Falempe
2023-07-13 6:40 ` [PATCH v5 2/2] drm/ast: report connection status on Display Port Jocelyn Falempe
2023-07-13 7:00 ` Jammy Huang
2023-07-13 8:17 ` Jocelyn Falempe
2023-07-13 9:00 ` Jocelyn Falempe
2023-07-13 9:05 ` Jammy Huang
2023-07-13 9:12 ` Thomas Zimmermann
2023-07-13 9:31 ` Jocelyn Falempe [this message]
2023-07-13 13:34 ` Jocelyn Falempe
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