From: Marek Szyprowski <m.szyprowski@samsung.com> To: iommu@lists.linux-foundation.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Marek Szyprowski <m.szyprowski@samsung.com>, linaro-mm-sig@lists.linaro.org, Arnd Bergmann <arnd@arndb.de>, Shaik Ameer Basha <shaik.ameer@samsung.com>, Cho KyongHo <pullip.cho@samsung.com>, Joerg Roedel <joro@8bytes.org>, Thierry Reding <treding@nvidia.com>, Olof Johansson <olof@lixom.net>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Rob Herring <robh@kernel.org>, Will Deacon <will.deacon@arm.com>, David Wodhouse <dwmw2@infradead.org>, Inki Dae <inki.dae@samsung.com>, Kukjin Kim <kgene@kernel.org>, Tomasz Figa <tomasz.figa@gmail.com>, Kyungmin Park <kyungmin.park@samsung.com>, Joonyoung Shim <jy0922.shim@samsung.com>, Seung-Woo Kim <sw0312.kim@samsung.com>, Javier Martinez Canillas <javier@dowhile0.org> Subject: [PATCH v6 00/25] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem Date: Mon, 04 May 2015 10:15:55 +0200 [thread overview] Message-ID: <1430727380-10912-1-git-send-email-m.szyprowski@samsung.com> (raw) Hello Everyone, This is yet another attempt to get Exynos SYSMMU driver with integrated with IOMMU & DMA-mapping subsystems. The main change from previous version is addition of the patches to define iommu-mapping, which need to be created during system boot to avoid IOMMU fault by devices, which has been left enabled by bootloader (i.e. framebuffer displaying slash screen). Patches has been also rebased onto v4.1-rc2 with 'arm: dma-mapping: fix off-by-one check in arm_setup_iommu_dma_ops' patch applied (see commit 1424532b2163bf1580f4b1091a5801e12310fac5 on fixes branch in git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-arm.git, more information: http://www.spinics.net/lists/arm-kernel/msg414722.html). All patches are also available in the following git repository: https://git.linaro.org/people/marek.szyprowski/linux-srpol.git branch v4.1-exynos-iommu. Best regards Marek Szyprowski Samsung R&D Institute Poland Changelog: v6: - rebased onto v4.1-rc2 with 'arm: dma-mapping: fix off-by-one check in arm_setup_iommu_dma_ops' patch - added exynos 3250 and 4415 dts patches - added support for devices, which have been left enabled by bootloader (i.e. framebuffer displaying slash screen) - fixed freeze in fimd iommu initialization caused by lack of proper runtime pm management - resolved issues with power domains by moving pd initialization to core_initcall v5: https://lists.linaro.org/pipermail/linaro-mm-sig/2015-February/004442.html - rebased onto 'Add HDMI support for Exynos5420 platform' patchset - fixed 'const' issue in 'iommu: exynos: init from dt-specific callback instead of initcall' patch, thanks to Tobias Jakobi for reporting it - fixed copy-paste typo in exynos5250 dts patch v4: http://www.spinics.net/lists/linux-samsung-soc/msg41177.html - rebased onto v3.19-rc4 and other Exynos DTS queued patches - added DTS patch for Exynos 5250 & 5420/5422/5800 v3: http://www.spinics.net/lists/linux-samsung-soc/msg39168.html - rebased onto "[RFC PATCH v4 0/8] Introduce automatic DMA configuration for IOMMU masters" - added some minor fixes for iommu and dma-mapping frameworks v2: http://thread.gmane.org/gmane.linux.kernel.iommu/6472/ - rebased onto "[RFC PATCH v3 0/7] Introduce automatic DMA configuration for IOMMU masters" patches: http://www.spinics.net/lists/arm-kernel/msg362076.html - changed initialization from bus notifiers to DT related callbacks - removed support for separate IO address spaces - this will be discussed separately after the basic support gets merged - removed support for power domain notifier-based runtime power management - this also will be discussed separately later v1: https://lkml.org/lkml/2014/8/5/183 - initial version, feature complete, completely rewrote integration approach Patch summary: Marek Szyprowski (25): arm: dma-mapping: add support for creating reserved mappings in iova space arm: exynos: pm_domains: register power domain driver from core_initcall drm/exynos: iommu: detach from default dma-mapping domain on init drm/exynos: fimd: ensure proper hw state in fimd_clear_channel() iommu: exynos: don't read version register on every tlb operation iommu: exynos: remove unused functions iommu: exynos: remove useless spinlock iommu: exynos: refactor function parameters to simplify code iommu: exynos: remove unused functions, part 2 iommu: exynos: remove useless device_add/remove callbacks iommu: exynos: add support for binding more than one sysmmu to master device iommu: exynos: add support for runtime_pm iommu: exynos: rename variables to reflect their purpose iommu: exynos: use struct exynos_iommu_domain in internal structures iommu: exynos: document internal structures iommu: exynos: remove excessive includes and sort others alphabetically iommu: exynos: init from dt-specific callback instead of initcall iommu: exynos: add callback for initializing devices from device tree iommu: exynos: remove unneeded code ARM: dts: exynos4: add sysmmu nodes ARM: dts: exynos3250: add sysmmu nodes ARM: dts: exynos4415: add sysmmu nodes ARM: dts: exynos5250: add sysmmu nodes ARM: dts: exynos5420: add sysmmu nodes ARM: dts: exynos: add iommu reserved regions for bootloader's splash screen Documentation/devicetree/bindings/iommu/iommu.txt | 44 ++ arch/arm/boot/dts/exynos3250-rinato.dts | 1 + arch/arm/boot/dts/exynos3250.dtsi | 22 + arch/arm/boot/dts/exynos4.dtsi | 118 ++++++ arch/arm/boot/dts/exynos4210-trats.dts | 1 + arch/arm/boot/dts/exynos4210-universal_c210.dts | 1 + arch/arm/boot/dts/exynos4210.dtsi | 23 + arch/arm/boot/dts/exynos4412-trats2.dts | 1 + arch/arm/boot/dts/exynos4415.dtsi | 11 + arch/arm/boot/dts/exynos4x12.dtsi | 82 ++++ arch/arm/boot/dts/exynos5250-snow.dts | 1 + arch/arm/boot/dts/exynos5250-spring.dts | 1 + arch/arm/boot/dts/exynos5250.dtsi | 250 +++++++++++ arch/arm/boot/dts/exynos5420-peach-pit.dts | 1 + arch/arm/boot/dts/exynos5420.dtsi | 181 ++++++++ arch/arm/boot/dts/exynos5800-peach-pi.dts | 1 + arch/arm/mach-exynos/pm_domains.c | 18 +- arch/arm/mm/dma-mapping.c | 112 +++++ drivers/gpu/drm/exynos/exynos_drm_fimd.c | 27 +- drivers/gpu/drm/exynos/exynos_drm_iommu.c | 3 + drivers/iommu/exynos-iommu.c | 495 ++++++++++------------ 21 files changed, 1098 insertions(+), 296 deletions(-) -- 1.9.2
WARNING: multiple messages have this Message-ID (diff)
From: m.szyprowski@samsung.com (Marek Szyprowski) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 00/25] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem Date: Mon, 04 May 2015 10:15:55 +0200 [thread overview] Message-ID: <1430727380-10912-1-git-send-email-m.szyprowski@samsung.com> (raw) Hello Everyone, This is yet another attempt to get Exynos SYSMMU driver with integrated with IOMMU & DMA-mapping subsystems. The main change from previous version is addition of the patches to define iommu-mapping, which need to be created during system boot to avoid IOMMU fault by devices, which has been left enabled by bootloader (i.e. framebuffer displaying slash screen). Patches has been also rebased onto v4.1-rc2 with 'arm: dma-mapping: fix off-by-one check in arm_setup_iommu_dma_ops' patch applied (see commit 1424532b2163bf1580f4b1091a5801e12310fac5 on fixes branch in git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-arm.git, more information: http://www.spinics.net/lists/arm-kernel/msg414722.html). All patches are also available in the following git repository: https://git.linaro.org/people/marek.szyprowski/linux-srpol.git branch v4.1-exynos-iommu. Best regards Marek Szyprowski Samsung R&D Institute Poland Changelog: v6: - rebased onto v4.1-rc2 with 'arm: dma-mapping: fix off-by-one check in arm_setup_iommu_dma_ops' patch - added exynos 3250 and 4415 dts patches - added support for devices, which have been left enabled by bootloader (i.e. framebuffer displaying slash screen) - fixed freeze in fimd iommu initialization caused by lack of proper runtime pm management - resolved issues with power domains by moving pd initialization to core_initcall v5: https://lists.linaro.org/pipermail/linaro-mm-sig/2015-February/004442.html - rebased onto 'Add HDMI support for Exynos5420 platform' patchset - fixed 'const' issue in 'iommu: exynos: init from dt-specific callback instead of initcall' patch, thanks to Tobias Jakobi for reporting it - fixed copy-paste typo in exynos5250 dts patch v4: http://www.spinics.net/lists/linux-samsung-soc/msg41177.html - rebased onto v3.19-rc4 and other Exynos DTS queued patches - added DTS patch for Exynos 5250 & 5420/5422/5800 v3: http://www.spinics.net/lists/linux-samsung-soc/msg39168.html - rebased onto "[RFC PATCH v4 0/8] Introduce automatic DMA configuration for IOMMU masters" - added some minor fixes for iommu and dma-mapping frameworks v2: http://thread.gmane.org/gmane.linux.kernel.iommu/6472/ - rebased onto "[RFC PATCH v3 0/7] Introduce automatic DMA configuration for IOMMU masters" patches: http://www.spinics.net/lists/arm-kernel/msg362076.html - changed initialization from bus notifiers to DT related callbacks - removed support for separate IO address spaces - this will be discussed separately after the basic support gets merged - removed support for power domain notifier-based runtime power management - this also will be discussed separately later v1: https://lkml.org/lkml/2014/8/5/183 - initial version, feature complete, completely rewrote integration approach Patch summary: Marek Szyprowski (25): arm: dma-mapping: add support for creating reserved mappings in iova space arm: exynos: pm_domains: register power domain driver from core_initcall drm/exynos: iommu: detach from default dma-mapping domain on init drm/exynos: fimd: ensure proper hw state in fimd_clear_channel() iommu: exynos: don't read version register on every tlb operation iommu: exynos: remove unused functions iommu: exynos: remove useless spinlock iommu: exynos: refactor function parameters to simplify code iommu: exynos: remove unused functions, part 2 iommu: exynos: remove useless device_add/remove callbacks iommu: exynos: add support for binding more than one sysmmu to master device iommu: exynos: add support for runtime_pm iommu: exynos: rename variables to reflect their purpose iommu: exynos: use struct exynos_iommu_domain in internal structures iommu: exynos: document internal structures iommu: exynos: remove excessive includes and sort others alphabetically iommu: exynos: init from dt-specific callback instead of initcall iommu: exynos: add callback for initializing devices from device tree iommu: exynos: remove unneeded code ARM: dts: exynos4: add sysmmu nodes ARM: dts: exynos3250: add sysmmu nodes ARM: dts: exynos4415: add sysmmu nodes ARM: dts: exynos5250: add sysmmu nodes ARM: dts: exynos5420: add sysmmu nodes ARM: dts: exynos: add iommu reserved regions for bootloader's splash screen Documentation/devicetree/bindings/iommu/iommu.txt | 44 ++ arch/arm/boot/dts/exynos3250-rinato.dts | 1 + arch/arm/boot/dts/exynos3250.dtsi | 22 + arch/arm/boot/dts/exynos4.dtsi | 118 ++++++ arch/arm/boot/dts/exynos4210-trats.dts | 1 + arch/arm/boot/dts/exynos4210-universal_c210.dts | 1 + arch/arm/boot/dts/exynos4210.dtsi | 23 + arch/arm/boot/dts/exynos4412-trats2.dts | 1 + arch/arm/boot/dts/exynos4415.dtsi | 11 + arch/arm/boot/dts/exynos4x12.dtsi | 82 ++++ arch/arm/boot/dts/exynos5250-snow.dts | 1 + arch/arm/boot/dts/exynos5250-spring.dts | 1 + arch/arm/boot/dts/exynos5250.dtsi | 250 +++++++++++ arch/arm/boot/dts/exynos5420-peach-pit.dts | 1 + arch/arm/boot/dts/exynos5420.dtsi | 181 ++++++++ arch/arm/boot/dts/exynos5800-peach-pi.dts | 1 + arch/arm/mach-exynos/pm_domains.c | 18 +- arch/arm/mm/dma-mapping.c | 112 +++++ drivers/gpu/drm/exynos/exynos_drm_fimd.c | 27 +- drivers/gpu/drm/exynos/exynos_drm_iommu.c | 3 + drivers/iommu/exynos-iommu.c | 495 ++++++++++------------ 21 files changed, 1098 insertions(+), 296 deletions(-) -- 1.9.2
next reply other threads:[~2015-05-04 8:17 UTC|newest] Thread overview: 116+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-05-04 8:15 Marek Szyprowski [this message] 2015-05-04 8:15 ` [PATCH v6 00/25] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem Marek Szyprowski 2015-05-04 8:15 ` [PATCH v6 02/25] arm: exynos: pm_domains: register power domain driver from core_initcall Marek Szyprowski 2015-05-04 8:15 ` Marek Szyprowski 2015-05-04 8:15 ` [PATCH v6 03/25] drm/exynos: iommu: detach from default dma-mapping domain on init Marek Szyprowski 2015-05-04 8:15 ` Marek Szyprowski 2015-05-04 8:15 ` [PATCH v6 04/25] drm/exynos: fimd: ensure proper hw state in fimd_clear_channel() Marek Szyprowski 2015-05-04 8:15 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 05/25] iommu: exynos: don't read version register on every tlb operation Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-10 12:59 ` Cho KyongHo 2015-05-10 12:59 ` Cho KyongHo [not found] ` <1430727380-10912-1-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-05-04 8:15 ` [PATCH v6 01/25] arm: dma-mapping: add support for creating reserved mappings in iova space Marek Szyprowski 2015-05-04 8:15 ` Marek Szyprowski 2015-05-04 22:12 ` Rob Herring 2015-05-04 22:12 ` Rob Herring [not found] ` <CAL_JsqKB4F8tspydBFrL-PH3gXcyu-pwQwBETMizJzTpAF3yzg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2015-05-18 12:09 ` Marek Szyprowski 2015-05-18 12:09 ` Marek Szyprowski 2015-05-06 14:01 ` Robin Murphy 2015-05-06 14:01 ` Robin Murphy 2015-05-19 10:49 ` Marek Szyprowski 2015-05-19 10:49 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 06/25] iommu: exynos: remove unused functions Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-10 13:01 ` Cho KyongHo 2015-05-10 13:01 ` Cho KyongHo 2015-05-04 10:30 ` [PATCH v6 27/26] iommu: exynos: add system suspend/resume support Marek Szyprowski 2015-05-04 10:30 ` Marek Szyprowski 2015-05-05 15:05 ` [PATCH v6 00/25] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem Joerg Roedel 2015-05-05 15:05 ` Joerg Roedel 2015-05-18 12:16 ` Marek Szyprowski 2015-05-18 12:16 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 07/25] iommu: exynos: remove useless spinlock Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 08/25] iommu: exynos: refactor function parameters to simplify code Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski [not found] ` <1430727380-10912-9-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-05-05 14:52 ` Joerg Roedel 2015-05-05 14:52 ` Joerg Roedel 2015-05-10 13:27 ` Cho KyongHo 2015-05-10 13:27 ` Cho KyongHo [not found] ` <20150510222712.a955a6d326698ba5a09c6fe7-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-05-18 12:58 ` Marek Szyprowski 2015-05-18 12:58 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 09/25] iommu: exynos: remove unused functions, part 2 Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski [not found] ` <1430727380-10912-10-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-05-05 14:53 ` Joerg Roedel 2015-05-05 14:53 ` Joerg Roedel 2015-05-04 8:16 ` [PATCH v6 10/25] iommu: exynos: remove useless device_add/remove callbacks Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski [not found] ` <1430727380-10912-11-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-05-05 14:55 ` Joerg Roedel 2015-05-05 14:55 ` Joerg Roedel [not found] ` <20150505145538.GL15736-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> 2015-05-18 12:09 ` Marek Szyprowski 2015-05-18 12:09 ` Marek Szyprowski 2015-05-18 17:04 ` Joerg Roedel 2015-05-18 17:04 ` Joerg Roedel [not found] ` <20150518170430.GK20611-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> 2015-05-18 19:37 ` Laurent Pinchart 2015-05-18 19:37 ` Laurent Pinchart 2015-05-04 8:16 ` [PATCH v6 11/25] iommu: exynos: add support for binding more than one sysmmu to master device Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-10 13:34 ` Cho KyongHo 2015-05-10 13:34 ` Cho KyongHo [not found] ` <20150510223437.b651f6d2f3f0ead49eb72488-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-05-18 13:03 ` Marek Szyprowski 2015-05-18 13:03 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 12/25] iommu: exynos: add support for runtime_pm Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-10 13:38 ` Cho KyongHo 2015-05-10 13:38 ` Cho KyongHo 2015-05-18 12:25 ` Marek Szyprowski 2015-05-18 12:25 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 13/25] iommu: exynos: rename variables to reflect their purpose Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 14/25] iommu: exynos: use struct exynos_iommu_domain in internal structures Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 15/25] iommu: exynos: document " Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski [not found] ` <1430727380-10912-16-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-05-05 15:00 ` Joerg Roedel 2015-05-05 15:00 ` Joerg Roedel 2015-05-04 8:16 ` [PATCH v6 16/25] iommu: exynos: remove excessive includes and sort others alphabetically Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 17/25] iommu: exynos: init from dt-specific callback instead of initcall Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 18/25] iommu: exynos: add callback for initializing devices from device tree Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 19/25] iommu: exynos: remove unneeded code Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-04 8:16 ` [PATCH v6 20/25] ARM: dts: exynos4: add sysmmu nodes Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-05 4:08 ` Krzysztof Kozłowski 2015-05-05 4:08 ` Krzysztof Kozłowski 2015-05-04 8:16 ` [PATCH v6 21/25] ARM: dts: exynos3250: " Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-05 4:10 ` Krzysztof Kozłowski 2015-05-05 4:10 ` Krzysztof Kozłowski 2015-05-04 8:16 ` [PATCH v6 22/25] ARM: dts: exynos4415: " Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-05 4:09 ` Krzysztof Kozłowski 2015-05-05 4:09 ` Krzysztof Kozłowski 2015-05-04 8:16 ` [PATCH v6 23/25] ARM: dts: exynos5250: " Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-05 4:04 ` Krzysztof Kozłowski 2015-05-05 4:04 ` Krzysztof Kozłowski 2015-05-04 8:16 ` [PATCH v6 24/25] ARM: dts: exynos5420: " Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski 2015-05-05 4:10 ` Krzysztof Kozłowski 2015-05-05 4:10 ` Krzysztof Kozłowski 2015-05-04 8:16 ` [PATCH v6 25/25] ARM: dts: exynos: add iommu reserved regions for bootloader's splash screen Marek Szyprowski 2015-05-04 8:16 ` Marek Szyprowski [not found] ` <1430727380-10912-26-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-05-05 5:50 ` Krzysztof Kozłowski 2015-05-05 5:50 ` Krzysztof Kozłowski 2015-05-11 16:00 ` [PATCH v6 00/25] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem Javier Martinez Canillas 2015-05-11 16:00 ` Javier Martinez Canillas 2015-05-12 15:35 ` Javier Martinez Canillas 2015-05-12 15:35 ` Javier Martinez Canillas 2015-05-18 13:26 ` Marek Szyprowski 2015-05-18 13:26 ` Marek Szyprowski [not found] ` <5559E88E.9050108-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> 2015-05-18 13:32 ` Javier Martinez Canillas 2015-05-18 13:32 ` Javier Martinez Canillas
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