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From: Thomas Zimmermann <tzimmermann@suse.de>
To: Pavel Machek <pavel@ucw.cz>
Cc: intel-gfx@lists.freedesktop.org,
	kernel list <linux-kernel@vger.kernel.org>,
	dri-devel@lists.freedesktop.org, rodrigo.vivi@intel.com,
	airlied@redhat.com, sean@poorly.run
Subject: Re: udldrm does not recover from powersave? Re: udldrmfb: causes WARN in i915 on X60 (x86-32)
Date: Fri, 26 Feb 2021 09:48:04 +0100	[thread overview]
Message-ID: <ece8d515-5de1-6303-e62e-8ab7bce61102@suse.de> (raw)
In-Reply-To: <20210225095322.GA5089@amd>


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Hi

Am 25.02.21 um 10:53 schrieb Pavel Machek:
> Hi!
> 
>>> This is in -next, but I get same behaviour on 5.11; and no, udl does
>>
>> Thanks for reporting. We are in the process of fixing the issue. The latest
>> patch is at [1].
>>
> 
> Thank you, that fixes the DMA issue, and I can use the udl.
> 
> ...for a while. Then screensaver blanks laptop screen, udl screen
> blanks too. Upon hitting a key, internal screen shows up, udl does
> not.
> 
> I try rerunning xrandr ... --auto, but could not recover it.
> 
> Any ideas?

Seems unrelated. I tested for the issue with the last good revision and 
with the latest fix applied. I use Gnome/X11.

With both kernels, the udl adapter's display came back after suspending. 
So I'd attribute the problem to something else.

Best regards
Thomas

> 
> Best regards,
> 								Pavel
> 
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer


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      parent reply	other threads:[~2021-02-26  8:49 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-24 20:09 Pavel Machek
2021-02-25  8:11 ` Thomas Zimmermann
2021-02-25  9:53   ` udldrm does not recover from powersave? " Pavel Machek
2021-02-25 10:02     ` Thomas Zimmermann
2021-02-25 10:15       ` Pavel Machek
2021-02-25 17:07       ` Pavel Machek
2021-02-26  8:48     ` Thomas Zimmermann [this message]

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