From: Thierry Reding <thierry.reding@gmail.com>
To: Mark Yao <mark.yao@rock-chips.com>
Cc: "David Airlie" <airlied@linux.ie>,
"Heiko Stuebner" <heiko@sntech.de>,
dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
"Ørjan Eide" <orjan.eide@arm.com>,
"Tomasz Figa" <tfiga@chromium.org>
Subject: Re: [PATCH v2 6/7] drm/rockchip: Respect page offset in IOMMU mmap
Date: Tue, 7 Feb 2017 13:33:59 +0100 [thread overview]
Message-ID: <20170207123359.GB18315@ulmo.ba.sec> (raw)
In-Reply-To: <1486456749-19142-1-git-send-email-mark.yao@rock-chips.com>
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On Tue, Feb 07, 2017 at 04:39:09PM +0800, Mark Yao wrote:
> From: Ørjan Eide <orjan.eide@arm.com>
>
> When mapping buffers through the PRIME DMA-buf mmap path we might be
> given an offset which has to be respected. The DRM GEM mmap path already
> takes care of zeroing out the fake mmap offset, so we can just make the
> IOMMU mmap implementation always respect the offset.
>
> TEST=graphics_GLBench
This is useless in an upstream context, please remove.
Thierry
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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: Mark Yao <mark.yao@rock-chips.com>
Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
"Tomasz Figa" <tfiga@chromium.org>,
linux-rockchip@lists.infradead.org,
"Ørjan Eide" <orjan.eide@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 6/7] drm/rockchip: Respect page offset in IOMMU mmap
Date: Tue, 7 Feb 2017 13:33:59 +0100 [thread overview]
Message-ID: <20170207123359.GB18315@ulmo.ba.sec> (raw)
In-Reply-To: <1486456749-19142-1-git-send-email-mark.yao@rock-chips.com>
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On Tue, Feb 07, 2017 at 04:39:09PM +0800, Mark Yao wrote:
> From: Ørjan Eide <orjan.eide@arm.com>
>
> When mapping buffers through the PRIME DMA-buf mmap path we might be
> given an offset which has to be respected. The DRM GEM mmap path already
> takes care of zeroing out the fake mmap offset, so we can just make the
> IOMMU mmap implementation always respect the offset.
>
> TEST=graphics_GLBench
This is useless in an upstream context, please remove.
Thierry
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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: thierry.reding@gmail.com (Thierry Reding)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 6/7] drm/rockchip: Respect page offset in IOMMU mmap
Date: Tue, 7 Feb 2017 13:33:59 +0100 [thread overview]
Message-ID: <20170207123359.GB18315@ulmo.ba.sec> (raw)
In-Reply-To: <1486456749-19142-1-git-send-email-mark.yao@rock-chips.com>
On Tue, Feb 07, 2017 at 04:39:09PM +0800, Mark Yao wrote:
> From: ?rjan Eide <orjan.eide@arm.com>
>
> When mapping buffers through the PRIME DMA-buf mmap path we might be
> given an offset which has to be respected. The DRM GEM mmap path already
> takes care of zeroing out the fake mmap offset, so we can just make the
> IOMMU mmap implementation always respect the offset.
>
> TEST=graphics_GLBench
This is useless in an upstream context, please remove.
Thierry
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next prev parent reply other threads:[~2017-02-07 12:34 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-07 8:35 [PATCH v2 0/7] drm/rockchip: switch to drm_mm for support arm64 iommu Mark Yao
2017-02-07 8:35 ` Mark Yao
2017-02-07 8:35 ` Mark Yao
2017-02-07 8:35 ` [PATCH v2 1/7] drm/rockchip: Do not use DMA mapping API if attached to IOMMU domain Mark Yao
2017-02-07 8:35 ` Mark Yao
2017-02-07 8:35 ` Mark Yao
2017-02-07 8:35 ` [PATCH v2 2/7] drm/rockchip: Use common IOMMU API to attach devices Mark Yao
2017-02-07 8:35 ` Mark Yao
2017-02-07 8:35 ` Mark Yao
2017-02-07 8:35 ` [PATCH v2 3/7] drm/rockchip: gem: add mutex lock for drm mm Mark Yao
2017-02-07 8:35 ` Mark Yao
2017-02-07 8:35 ` Mark Yao
2017-02-07 12:19 ` Thierry Reding
2017-02-07 12:19 ` Thierry Reding
2017-02-07 12:19 ` Thierry Reding
2017-02-08 0:28 ` Mark yao
2017-02-08 0:28 ` Mark yao
2017-02-08 0:28 ` Mark yao
2017-02-07 8:35 ` [PATCH v2 4/7] drm/rockchip: gem: fixup iommu_map_sg error path Mark Yao
2017-02-07 8:35 ` Mark Yao
2017-02-07 8:35 ` Mark Yao
2017-02-07 8:39 ` [PATCH v2 6/7] drm/rockchip: Respect page offset in IOMMU mmap Mark Yao
2017-02-07 8:39 ` Mark Yao
2017-02-07 8:39 ` Mark Yao
2017-02-07 12:33 ` Thierry Reding [this message]
2017-02-07 12:33 ` Thierry Reding
2017-02-07 12:33 ` Thierry Reding
2017-02-07 8:39 ` [PATCH v2 7/7] drm/rockchip: Call drm_gem_object_release() to destroy GEM base Mark Yao
2017-02-07 8:39 ` Mark Yao
2017-02-07 8:39 ` Mark Yao
2017-02-07 12:37 ` Thierry Reding
2017-02-07 12:37 ` Thierry Reding
2017-02-07 12:37 ` Thierry Reding
2017-02-07 13:05 ` Tomasz Figa
2017-02-07 13:05 ` Tomasz Figa
2017-02-07 13:05 ` Tomasz Figa
2017-02-07 12:38 ` [PATCH v2 0/7] drm/rockchip: switch to drm_mm for support arm64 iommu Thierry Reding
2017-02-07 12:38 ` Thierry Reding
2017-02-07 12:38 ` Thierry Reding
2017-02-08 1:15 ` Mark yao
2017-02-08 1:15 ` Mark yao
2017-02-08 1:15 ` Mark yao
2017-02-08 23:36 ` Heiko Stübner
2017-02-08 23:36 ` Heiko Stübner
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