linux-kernel - Re: 4.1-rc4 display-port on radeon not working

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message-id: <555CBCF6.2020205@tnxip.de>
Date:	Wed, 20 May 2015 18:57:26 +0200
From:	Malte Schröder <malte@...ip.de>
To:	Alex Deucher <alexdeucher@...il.com>
Cc:	Maling list - DRI developers <dri-devel@...ts.freedesktop.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 4.1-rc4 display-port on radeon not working

On 05/20/15 17:37, Alex Deucher wrote:
> On Tue, May 19, 2015 at 6:03 PM, Malte Schröder <malte@...ip.de> wrote:
>> Hi,
>> with 4.1-rc display-port on my Tahiti XT stopped working. I used the
>> firmware from http://people.freedesktop.org/~agd5f/radeon_ucode/ as of
>> today.
>> Note: the display is an Asus PB278, it used to have problems with
>> display port negotiation, but those disappeared like a year ago.
>>
> 
> Does booting with radeon.auxch=0 on the kernel command line in grub
> help?  Can you bisect?
> 
> Alex
> 

Yes, radeon.auxch=0 helps. As for bisecting, I can try, but I won't have
time for that until next week.

-- 
Gruß
Malte Schröder
---------------------------------------------------------------------
MalteSch@....de


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