From: Ingo Molnar <mingo@kernel.org>
To: Stephen Warren <swarren@wwwdotorg.org>
Cc: David Herrmann <dh.herrmann@gmail.com>,
linux-kernel@vger.kernel.org, Takashi Iwai <tiwai@suse.de>,
the arch/x86 maintainers <x86@kernel.org>,
linux-fbdev@vger.kernel.org,
Geert Uytterhoeven <geert@linux-m68k.org>,
stable@vger.kernel.org
Subject: Re: [PATCH v3] x86: sysfb: remove sysfb when probing real hw
Date: Thu, 19 Dec 2013 18:55:17 +0000 [thread overview]
Message-ID: <20131219185517.GA303@gmail.com> (raw)
In-Reply-To: <52B340CB.90807@wwwdotorg.org>
* Stephen Warren <swarren@wwwdotorg.org> wrote:
> On 12/19/2013 03:13 AM, David Herrmann wrote:
> > With CONFIG_X86_SYSFB=y, probing real hw-drivers may result in
> > resource-conflicts and drivers will refuse to load. A call to
> > request_mem_region() will fail, if the region overlaps with the mem-region
> > used by simplefb. The common desktop DRM drivers (intel, nouveau, radeon)
> > are not affected as they don't reserve their resources, but some others
> > do, including (nvidiafb, cirrus, ..).
>
> I have validated that this doesn't cause any regressions on the/a
> non-x86 platform using simplefb, although given the main point of this
> patch is to fix issues on x86, I'm rather hesitant to give a tested-by
> tag in case someone looking back interprets it incorrectly:-)
Tested-on-ARM-by: Stephen Warren <swarren@wwwdotorg.org>
?
Thanks,
Ingo
WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@kernel.org>
To: Stephen Warren <swarren@wwwdotorg.org>
Cc: David Herrmann <dh.herrmann@gmail.com>,
linux-kernel@vger.kernel.org, Takashi Iwai <tiwai@suse.de>,
the arch/x86 maintainers <x86@kernel.org>,
linux-fbdev@vger.kernel.org,
Geert Uytterhoeven <geert@linux-m68k.org>,
stable@vger.kernel.org
Subject: Re: [PATCH v3] x86: sysfb: remove sysfb when probing real hw
Date: Thu, 19 Dec 2013 19:55:17 +0100 [thread overview]
Message-ID: <20131219185517.GA303@gmail.com> (raw)
In-Reply-To: <52B340CB.90807@wwwdotorg.org>
* Stephen Warren <swarren@wwwdotorg.org> wrote:
> On 12/19/2013 03:13 AM, David Herrmann wrote:
> > With CONFIG_X86_SYSFB=y, probing real hw-drivers may result in
> > resource-conflicts and drivers will refuse to load. A call to
> > request_mem_region() will fail, if the region overlaps with the mem-region
> > used by simplefb. The common desktop DRM drivers (intel, nouveau, radeon)
> > are not affected as they don't reserve their resources, but some others
> > do, including (nvidiafb, cirrus, ..).
>
> I have validated that this doesn't cause any regressions on the/a
> non-x86 platform using simplefb, although given the main point of this
> patch is to fix issues on x86, I'm rather hesitant to give a tested-by
> tag in case someone looking back interprets it incorrectly:-)
Tested-on-ARM-by: Stephen Warren <swarren@wwwdotorg.org>
?
Thanks,
Ingo
next prev parent reply other threads:[~2013-12-19 18:55 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-18 7:42 cirrusdrmfb broken with simplefb Takashi Iwai
2013-12-18 7:42 ` Takashi Iwai
2013-12-18 8:21 ` David Herrmann
2013-12-18 8:21 ` David Herrmann
2013-12-18 8:44 ` Takashi Iwai
2013-12-18 8:44 ` Takashi Iwai
2013-12-18 8:48 ` Geert Uytterhoeven
2013-12-18 8:48 ` Geert Uytterhoeven
2013-12-18 10:17 ` Takashi Iwai
2013-12-18 10:17 ` Takashi Iwai
2013-12-18 10:21 ` David Herrmann
2013-12-18 10:21 ` David Herrmann
2013-12-18 11:39 ` Takashi Iwai
2013-12-18 11:39 ` Takashi Iwai
2013-12-18 11:48 ` [RFC] x86: sysfb: remove sysfb when probing real hw David Herrmann
2013-12-18 11:48 ` David Herrmann
2013-12-18 11:54 ` Ingo Molnar
2013-12-18 11:54 ` Ingo Molnar
2013-12-18 13:03 ` Takashi Iwai
2013-12-18 13:03 ` Takashi Iwai
2013-12-18 13:34 ` David Herrmann
2013-12-18 13:34 ` David Herrmann
2013-12-18 14:02 ` Takashi Iwai
2013-12-18 14:02 ` Takashi Iwai
2013-12-18 13:50 ` [PATCH v2] " David Herrmann
2013-12-18 13:50 ` David Herrmann
2013-12-18 14:15 ` David Herrmann
2013-12-18 14:15 ` David Herrmann
2013-12-18 14:21 ` Takashi Iwai
2013-12-18 14:21 ` Takashi Iwai
2013-12-19 10:13 ` [PATCH v3] " David Herrmann
2013-12-19 10:13 ` David Herrmann
2013-12-19 16:36 ` Ingo Molnar
2013-12-19 16:36 ` Ingo Molnar
2013-12-19 17:03 ` David Herrmann
2013-12-19 17:03 ` David Herrmann
2013-12-19 17:09 ` Ingo Molnar
2013-12-19 17:09 ` Ingo Molnar
2013-12-19 17:18 ` David Herrmann
2013-12-19 17:18 ` David Herrmann
2013-12-19 17:24 ` [PATCH v4] " David Herrmann
2013-12-19 17:24 ` David Herrmann
2013-12-19 18:33 ` Ingo Molnar
2013-12-19 18:33 ` Ingo Molnar
2013-12-20 14:46 ` David Herrmann
2013-12-20 14:46 ` David Herrmann
2013-12-19 18:54 ` [PATCH v3] " Stephen Warren
2013-12-19 18:54 ` Stephen Warren
2013-12-19 18:55 ` Ingo Molnar [this message]
2013-12-19 18:55 ` Ingo Molnar
2013-12-19 19:09 ` Stephen Warren
2013-12-19 19:09 ` Stephen Warren
2013-12-19 19:19 ` Ingo Molnar
2013-12-19 19:19 ` Ingo Molnar
2013-12-18 9:29 ` cirrusdrmfb broken with simplefb Ingo Molnar
2013-12-18 9:29 ` Ingo Molnar
2013-12-19 0:03 ` One Thousand Gnomes
2013-12-19 10:46 ` David Herrmann
2013-12-19 10:46 ` David Herrmann
2013-12-19 11:06 ` Takashi Iwai
2013-12-19 11:06 ` Takashi Iwai
2013-12-19 12:36 ` David Herrmann
2013-12-19 12:36 ` David Herrmann
2013-12-19 13:22 ` Takashi Iwai
2013-12-19 13:22 ` Takashi Iwai
2013-12-19 13:37 ` David Herrmann
2013-12-19 13:37 ` David Herrmann
2013-12-19 14:03 ` Takashi Iwai
2013-12-19 14:03 ` Takashi Iwai
2013-12-19 14:13 ` David Herrmann
2013-12-19 14:13 ` David Herrmann
2013-12-19 14:22 ` Takashi Iwai
2013-12-19 14:22 ` Takashi Iwai
2013-12-19 12:31 ` Ingo Molnar
2013-12-19 12:31 ` Ingo Molnar
2013-12-19 12:39 ` David Herrmann
2013-12-19 12:39 ` David Herrmann
2013-12-19 12:44 ` Ingo Molnar
2013-12-19 12:44 ` Ingo Molnar
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