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From: Mark yao <mark.yao@rock-chips.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>,
	iommu@lists.linux-foundation.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>,
	Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Arnd Bergmann <arnd@arndb.de>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	dri-devel@lists.freedesktop.org, Tomasz Figa <tfiga@chromium.org>,
	linaro-mm-sig@lists.linaro.org,
	Sakari Ailus <sakari.ailus@iki.fi>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Robin Murphy <robin.murphy@arm.com>
Subject: Re: [RFC 3/3] iommu: dma-iommu: use common implementation also on ARM architecture
Date: Mon, 18 Apr 2016 10:20:46 +0800	[thread overview]
Message-ID: <5714447E.2030400@rock-chips.com> (raw)
In-Reply-To: <1455870164-25337-4-git-send-email-m.szyprowski@samsung.com>

On 2016年02月19日 16:22, Marek Szyprowski wrote:
> This patch replaces ARM-specific IOMMU-based DMA-mapping implementation
> with generic IOMMU DMA-mapping code shared with ARM64 architecture. The
> side-effect of this change is a switch from bitmap-based IO address space
> management to tree-based code. There should be no functional changes
> for drivers, which rely on initialization from generic arch_setup_dna_ops()
> interface. Code, which used old arm_iommu_* functions must be updated to
> new interface.
>
> Signed-off-by: Marek Szyprowski<m.szyprowski@samsung.com>
IOMMU works good on drm/rockchip ARM64 platform with this patch. So

Tested-by: Mark Yao <mark.yao@rock-chips.com>

Thanks.

-- 
Ｍark Yao


_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

WARNING: multiple messages have this Message-ID (diff)
From: mark.yao@rock-chips.com (Mark yao)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC 3/3] iommu: dma-iommu: use common implementation also on ARM architecture
Date: Mon, 18 Apr 2016 10:20:46 +0800	[thread overview]
Message-ID: <5714447E.2030400@rock-chips.com> (raw)
In-Reply-To: <1455870164-25337-4-git-send-email-m.szyprowski@samsung.com>

On 2016?02?19? 16:22, Marek Szyprowski wrote:
> This patch replaces ARM-specific IOMMU-based DMA-mapping implementation
> with generic IOMMU DMA-mapping code shared with ARM64 architecture. The
> side-effect of this change is a switch from bitmap-based IO address space
> management to tree-based code. There should be no functional changes
> for drivers, which rely on initialization from generic arch_setup_dna_ops()
> interface. Code, which used old arm_iommu_* functions must be updated to
> new interface.
>
> Signed-off-by: Marek Szyprowski<m.szyprowski@samsung.com>
IOMMU works good on drm/rockchip ARM64 platform with this patch. So

Tested-by: Mark Yao <mark.yao@rock-chips.com>

Thanks.

-- 
?ark Yao

WARNING: multiple messages have this Message-ID (diff)
From: Mark yao <mark.yao@rock-chips.com>
To: Marek Szyprowski <m.szyprowski@samsung.com>,
	iommu@lists.linux-foundation.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org,
	Arnd Bergmann <arnd@arndb.de>, Will Deacon <will.deacon@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Joerg Roedel <joro@8bytes.org>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Sakari Ailus <sakari.ailus@iki.fi>,
	Heiko Stuebner <heiko@sntech.de>,
	Tomasz Figa <tfiga@chromium.org>, Inki Dae <inki.dae@samsung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Krzysztof Kozlowski <k.kozlowski@samsung.com>
Subject: Re: [RFC 3/3] iommu: dma-iommu: use common implementation also on ARM architecture
Date: Mon, 18 Apr 2016 10:20:46 +0800	[thread overview]
Message-ID: <5714447E.2030400@rock-chips.com> (raw)
In-Reply-To: <1455870164-25337-4-git-send-email-m.szyprowski@samsung.com>

On 2016年02月19日 16:22, Marek Szyprowski wrote:
> This patch replaces ARM-specific IOMMU-based DMA-mapping implementation
> with generic IOMMU DMA-mapping code shared with ARM64 architecture. The
> side-effect of this change is a switch from bitmap-based IO address space
> management to tree-based code. There should be no functional changes
> for drivers, which rely on initialization from generic arch_setup_dna_ops()
> interface. Code, which used old arm_iommu_* functions must be updated to
> new interface.
>
> Signed-off-by: Marek Szyprowski<m.szyprowski@samsung.com>
IOMMU works good on drm/rockchip ARM64 platform with this patch. So

Tested-by: Mark Yao <mark.yao@rock-chips.com>

Thanks.

-- 
Ｍark Yao

  parent reply	other threads:[~2016-04-18  2:20 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-19  8:22 [RFC 0/3] Unify IOMMU-based DMA-mapping code for ARM and ARM64 Marek Szyprowski
2016-02-19  8:22 ` Marek Szyprowski
2016-02-19  8:22 ` Marek Szyprowski
     [not found] ` <1455870164-25337-1-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2016-02-19  8:22   ` [RFC 1/3] drm/exynos: rewrite IOMMU support code Marek Szyprowski
2016-02-19  8:22     ` Marek Szyprowski
2016-02-19  8:22     ` Marek Szyprowski
2016-02-19  8:22 ` [RFC 2/3] iommu: dma-iommu: move IOMMU/DMA-mapping code from ARM64 arch to drivers Marek Szyprowski
2016-02-19  8:22   ` Marek Szyprowski
2016-02-19  8:22   ` Marek Szyprowski
2016-04-18  2:20   ` Mark yao
2016-04-18  2:20     ` Mark yao
2016-04-18  2:20     ` Mark yao
2016-02-19  8:22 ` [RFC 3/3] iommu: dma-iommu: use common implementation also on ARM architecture Marek Szyprowski
2016-02-19  8:22   ` Marek Szyprowski
2016-02-19  8:22   ` Marek Szyprowski
2016-02-19 10:30   ` Arnd Bergmann
2016-02-19 10:30     ` Arnd Bergmann
2016-02-19 10:30     ` Arnd Bergmann
2016-02-25 12:26     ` Marek Szyprowski
2016-02-25 12:26       ` Marek Szyprowski
2016-02-25 12:26       ` Marek Szyprowski
     [not found]       ` <56CEF2E9.5040706-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2016-02-25 14:44         ` Arnd Bergmann
2016-02-25 14:44           ` Arnd Bergmann
2016-02-25 14:44           ` Arnd Bergmann
2016-03-15 12:33     ` Robin Murphy
2016-03-15 12:33       ` Robin Murphy
2016-03-15 12:33       ` Robin Murphy
2016-03-15 11:18   ` Magnus Damm
2016-03-15 11:18     ` Magnus Damm
2016-03-15 11:18     ` Magnus Damm
     [not found]     ` <CANqRtoRiZOPhCBo38zVLL6tQB2aBLy3uWWbqJJypxEFDXJwF1Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-03-15 11:45       ` Robin Murphy
2016-03-15 11:45         ` Robin Murphy
2016-03-15 11:45         ` Robin Murphy
2016-03-15 12:03       ` Marek Szyprowski
2016-03-15 12:03         ` Marek Szyprowski
2016-03-15 12:03         ` Marek Szyprowski
2016-04-18  2:20   ` Mark yao [this message]
2016-04-18  2:20     ` Mark yao
2016-04-18  2:20     ` Mark yao
2016-04-18  2:18 ` [RFC 0/3] Unify IOMMU-based DMA-mapping code for ARM and ARM64 Mark yao
2016-04-18  2:18   ` Mark yao
2016-04-18  2:18   ` Mark yao
2016-04-19  3:17 ` [PATCH] drm/rockchip: rewrite IOMMU support code Mark Yao
2016-04-19  3:17   ` Mark Yao
2016-04-19  3:17   ` Mark Yao

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