From: Thierry Reding <thierry.reding@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Mao Huang <littlecvr@chromium.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-mediatek@lists.infradead.org, airlied@redhat.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] drm: mediatek: remove IOMMU_DMA select
Date: Tue, 21 Jun 2016 15:19:12 +0200 [thread overview]
Message-ID: <20160621131912.GA6060@ulmo.ba.sec> (raw)
In-Reply-To: <3436915.Zo8cThvXaA@wuerfel>
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On Wed, May 11, 2016 at 10:15:20PM +0200, Arnd Bergmann wrote:
> On Wednesday 11 May 2016 22:11:07 Arnd Bergmann wrote:
> > We get a harmless build warning when trying to use the mediatek
> > DRM driver with IOMMU support disabled:
> >
> > warning: (DRM_MEDIATEK) selects IOMMU_DMA which has unmet direct dependencies (IOMMU_SUPPORT)
> >
> > However, the IOMMU_DMA symbol is not meant to be used by drivers
> > at all, and this driver doesn't seem to have a strict dependency
> > on it other than using the mediatek IOMMU driver that does.
> >
> > Since we also want to be able to do compile tests with the
> > driver on other platforms, the IOMMU_DMA symbol should not
> > be selected here.
> >
> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> > ---
> > If someone has a better explanation about why the 'select' is here,
> > let me know, it certainly seems out of place.
>
> Sorry, I didn't mean to send this as a reply to "More build fixes for
> omapdrm in current -next", I copied the wrong command line.
>
> I'll resend it if necessary.
That's probably the reason why patchwork didn't include the commit
message in the downloaded mbox. I've pieced it together manually and
applied this to topic/drm-misc.
Thanks,
Thierry
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WARNING: multiple messages have this Message-ID (diff)
From: thierry.reding@gmail.com (Thierry Reding)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] drm: mediatek: remove IOMMU_DMA select
Date: Tue, 21 Jun 2016 15:19:12 +0200 [thread overview]
Message-ID: <20160621131912.GA6060@ulmo.ba.sec> (raw)
In-Reply-To: <3436915.Zo8cThvXaA@wuerfel>
On Wed, May 11, 2016 at 10:15:20PM +0200, Arnd Bergmann wrote:
> On Wednesday 11 May 2016 22:11:07 Arnd Bergmann wrote:
> > We get a harmless build warning when trying to use the mediatek
> > DRM driver with IOMMU support disabled:
> >
> > warning: (DRM_MEDIATEK) selects IOMMU_DMA which has unmet direct dependencies (IOMMU_SUPPORT)
> >
> > However, the IOMMU_DMA symbol is not meant to be used by drivers
> > at all, and this driver doesn't seem to have a strict dependency
> > on it other than using the mediatek IOMMU driver that does.
> >
> > Since we also want to be able to do compile tests with the
> > driver on other platforms, the IOMMU_DMA symbol should not
> > be selected here.
> >
> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> > ---
> > If someone has a better explanation about why the 'select' is here,
> > let me know, it certainly seems out of place.
>
> Sorry, I didn't mean to send this as a reply to "More build fixes for
> omapdrm in current -next", I copied the wrong command line.
>
> I'll resend it if necessary.
That's probably the reason why patchwork didn't include the commit
message in the downloaded mbox. I've pieced it together manually and
applied this to topic/drm-misc.
Thanks,
Thierry
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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Mao Huang <littlecvr@chromium.org>,
linux-mediatek@lists.infradead.org,
YT Shen <yt.shen@mediatek.com>,
airlied@redhat.com, Matthias Brugger <matthias.bgg@gmail.com>
Subject: Re: [PATCH] drm: mediatek: remove IOMMU_DMA select
Date: Tue, 21 Jun 2016 15:19:12 +0200 [thread overview]
Message-ID: <20160621131912.GA6060@ulmo.ba.sec> (raw)
In-Reply-To: <3436915.Zo8cThvXaA@wuerfel>
[-- Attachment #1: Type: text/plain, Size: 1267 bytes --]
On Wed, May 11, 2016 at 10:15:20PM +0200, Arnd Bergmann wrote:
> On Wednesday 11 May 2016 22:11:07 Arnd Bergmann wrote:
> > We get a harmless build warning when trying to use the mediatek
> > DRM driver with IOMMU support disabled:
> >
> > warning: (DRM_MEDIATEK) selects IOMMU_DMA which has unmet direct dependencies (IOMMU_SUPPORT)
> >
> > However, the IOMMU_DMA symbol is not meant to be used by drivers
> > at all, and this driver doesn't seem to have a strict dependency
> > on it other than using the mediatek IOMMU driver that does.
> >
> > Since we also want to be able to do compile tests with the
> > driver on other platforms, the IOMMU_DMA symbol should not
> > be selected here.
> >
> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> > ---
> > If someone has a better explanation about why the 'select' is here,
> > let me know, it certainly seems out of place.
>
> Sorry, I didn't mean to send this as a reply to "More build fixes for
> omapdrm in current -next", I copied the wrong command line.
>
> I'll resend it if necessary.
That's probably the reason why patchwork didn't include the commit
message in the downloaded mbox. I've pieced it together manually and
applied this to topic/drm-misc.
Thanks,
Thierry
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next prev parent reply other threads:[~2016-06-21 13:19 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-11 16:01 More build fixes for omapdrm in current -next Arnd Bergmann
2016-05-11 16:01 ` Arnd Bergmann
2016-05-11 16:01 ` Arnd Bergmann
2016-05-11 16:01 ` [PATCH 1/3] drm/omap: include linux/seq_file.h where needed Arnd Bergmann
2016-05-11 16:01 ` Arnd Bergmann
2016-05-11 16:01 ` Arnd Bergmann
2016-05-11 16:01 ` [PATCH 2/3] drm/omap: include linux/of.h " Arnd Bergmann
2016-05-11 16:01 ` Arnd Bergmann
2016-05-11 16:01 ` Arnd Bergmann
2016-05-11 16:05 ` [PATCH 3/3] drm/omap: include gpio/consumer.h " Arnd Bergmann
2016-05-11 16:05 ` Arnd Bergmann
2016-05-11 16:05 ` Arnd Bergmann
2016-05-11 20:11 ` [PATCH] drm: mediatek: remove IOMMU_DMA select Arnd Bergmann
2016-05-11 20:11 ` Arnd Bergmann
2016-05-11 20:11 ` Arnd Bergmann
2016-05-11 20:15 ` Arnd Bergmann
2016-05-11 20:15 ` Arnd Bergmann
2016-05-11 20:15 ` Arnd Bergmann
2016-06-21 13:19 ` Thierry Reding [this message]
2016-06-21 13:19 ` Thierry Reding
2016-06-21 13:19 ` Thierry Reding
2016-05-12 9:24 ` Robin Murphy
2016-05-12 9:24 ` Robin Murphy
2016-05-12 9:24 ` Robin Murphy
2016-05-12 10:46 ` Philipp Zabel
2016-05-12 10:46 ` Philipp Zabel
2016-05-12 10:46 ` Philipp Zabel
2016-05-17 8:07 ` More build fixes for omapdrm in current -next Tomi Valkeinen
2016-05-17 8:07 ` Tomi Valkeinen
2016-05-17 8:07 ` Tomi Valkeinen
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