Re: [PATCH] drm/ast: Fix default resolution when no monitor is connected on DP

From: Jocelyn Falempe <jfalempe@redhat.com>
To: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] drm/ast: Fix default resolution when no monitor is connected on DP
Date: Thu, 13 Jul 2023 10:53:23 +0200	[thread overview]
Message-ID: <90f7b5f9-9805-39d3-801a-babd10f1a0cf@redhat.com> (raw)
In-Reply-To: <36e04e4c-c2ac-64cf-9503-ea43a29b66d0@mailbox.org>

On 13/07/2023 10:32, Michel Dänzer wrote:
> On 7/12/23 17:25, Jocelyn Falempe wrote:
>> On 12/07/2023 17:05, Sui Jingfeng wrote:
>>> On 2023/7/10 16:07, Jocelyn Falempe wrote:
>>>
>>>> On the other hand, are there any drawback to present a BMC connector even when the hardware doesn't have it ?
>>>
>>> If not properly setting up, I think you will create two encoder and two connector in the system.
>>
>> Yes, but I think it won't have any visible effect for the end-user.
> 
> I'm afraid user-space display servers would waste effort producing content for a non-existing BMC (assuming its connector status is connected or unknown).
> 
> 
I think it's already the case, as AST's DP and VGA connectors currently 
always report "connected" status. And they all share the same crtc, so 
there is only one framebuffer, that is always active.

Best regards,

-- 

Jocelyn