Rockchip iommu

Author: zhoc

August undefined, 2024

Web13 Sep 2024 · On the linux-rockchip IRC channel, stdint advised me that the DRM IOMMU code of this driver is unmaintainable and should be removed and rewritten. At the same … Web27 Jun 2024 · drm/rockchip: Check iommu itself instead of it's parent for device_is_available Commit Message Andy Yan June 27, 2024, 8:47 a.m. UTC When iommu itself is disabled …

drm/rockchip: vop: fix irq disabled after vop driver

Web1 Dec 2024 · I am running "Ubuntu 18.04.1 LTS" with "Linux linux 4.4.154-59-rockchip-g5e70f14 #4 SMP Fri Dec 14 20:55:41 CST 2024 aarch64 aarch64 aarch64 GNU/Linux". … Web25 May 2024 · Commit-Message. The vop irq is shared between vop and iommu and irq probing in the iommu driver moved to the probe function recently. This can in some cases lead to a stall if the irq is triggered while the vop driver still has it disabled, but the vop irq handler gets called. But there is no real need to disable the irq, as the vop can simply ... otter tail county employee dashboard

drivers/iommu/rockchip-iommu.c - kernel/msm - Git at Google

Web27 Mar 2024 · Re: [PATCH v2] iommu/rockchip: Add missing set_platform_dma_ops callback. share. On Fri, Mar 24, 2024 at 11:11:27AM +0000, Steven Price wrote: > Similar to exynos, we need a set_platform_dma_ops () callback for proper. > operation on ARM 32 bit after recent changes in the IOMMU framework. > (detach ops removal). Web+ Support for IOMMUs found on Rockchip rk32xx SOCs. + These IOMMUs allow virtualization of the address space used by most + cores within the multimedia subsystem. + Say Y here if you are using a Rockchip SoC that includes an IOMMU + device. config TEGRA_IOMMU_GART bool "Tegra GART IOMMU Support" depends on … Web19 Apr 2016 · April 2016, 10:19:32 schrieb Mark Yao: > Some rockchip vop not support iommu, need use non-iommu > buffer for it. And if we get iommu issues, we can compare > the issues with non-iommu path, the would help the debug. > > Signed-off-by: ... otter tail county employment

[PATCH 0/5] iommu: Define EINVAL as device/domain …

drm/rockchip: rewrite IOMMU support code - Patchwork

WebI finally got around to testing. Unfortunately, kernel v4.17-rc6 with cherry-pick of commit c78751f91c0b (ARM: dts: rockchip: add clocks in iommu nodes) from Heiko's tree still exhibit the same problem. STREAMON hangs on second try. The same workaround "fixes" it. Web15 Mar 2024 · From: Steven Price <> Subject [PATCH] iommu/rockchip: Add missing set_platform_dma_ops callback: Date: Wed, 15 Mar 2024 16:41:52 +0000 otter tail county family servicesWeb23 May 2016 · From: Simon Signed-off-by: Simon --- drivers/iommu/rockchip-iommu.c 4 ++++ 1 file changed, 4 insertions(+) rockwood training

"Web* The Rockchip rk3288 iommu uses a 2-level page table. * The first level is the "Directory Table" (DT). * The DT consists of 1024 4-byte Directory Table Entries (DTEs), each … " - Rockchip iommu

Rockchip iommu

Web7 May 2024 · This series adds the IOMMU driver for rk356x SoC. Since a new compatible is needed to distinguish this second version of IOMMU hardware block from the first one, it … Web9 Feb 2015 · CHROMIUM: iommu: rockchip: Make sure that page table state is coherent Commit Message Tomasz Figa Feb. 9, 2015, 11:19 a.m. UTC Even though the code uses the dt_lock spin lock to serialize mapping operation from different threads, it does not protect from IOMMU accesses that might be already taking place and thus altering state of the …

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http://www.atmcu.com/1449.html Web1、iommu 简介：. Rockchip 的DRM iommu是将主设备的虚拟地址转化成物理地址，每一个从设备都会绑定一个从设备，并且共享时钟，电源domain 和irq; 2、属性值配置：. - …

Web31 Mar 2024 · [v4] iommu/rockchip: Add missing set_platform_dma_ops callback Commit Message Steven Price March 31, 2024, 9:51 a.m. UTC Similar to exynos, we need a set_platform_dma_ops () callback for proper operation on ARM 32 bit after recent changes in the IOMMU framework (detach ops removal). But also the use of a NULL domain is … Web* The Rockchip rk3288 iommu uses a 2-level page table. 143 * The first level is the "Directory Table" (DT). 144 * The DT consists of 1024 4-byte Directory Table Entries (DTEs), each pointing: 145 * to a "Page Table". 146 * The second level is the 1024 Page Tables (PT). 147 * Each PT consists of 1024 4-byte Page Table Entries (PTEs), each ...

WebThis patch converts the rockchip-iommu driver to use the in-kernel iopoll helpers to wait for certain status bits to change in registers instead of an open-coded custom macro. Signed-off-by: Tomasz Figa Signed-off-by: Jeffy Chen --- Changes in v3: None Changes in v2: None Webstruct rockchip_drm_private *private = drm_dev-> dev_private; if (! device_iommu_mapped (dev)) private-> iommu_dev = ERR_PTR (-ENODEV); else if (!private-> iommu_dev) private-> …

WebSome rockchip vop not support iommu, need use non-iommu buffer for it. And if we get iommu issues, we can compare the issues with non-iommu path, the would help the debug. Signed-off-by: Mark Yao Changes in v2 Advised by Heiko Stuebner - use more suitable message print.

Web[PATCH v2] iommu/rockchip: Add missing set_platform_dma_ops callback From: Steven Price Date: Fri Mar 24 2024 - 07:11:41 EST Next message: Michal Hocko: "WARN_ON in move_normal_pmd" Previous message: Shenghao Ding: "[PATCH v6] ASoC: dt-bindings: Add tas2781 DT documenting that binding along with the driver" Next in thread: Baolu Lu: "Re: … otter tail county driver\u0027s license renewalWeb22 Apr 2024 · From: Simon Xue . RK356x SoC got new IOMMU hardware block (version 2). Add a compatible to distinguish it from the first version. … rockwood trailers mini liteWebSupport for IOMMUs found on Rockchip rk32xx SOCs. These IOMMUs allow virtualization of the address space used by most cores within the multimedia subsystem. Say Y here if you … otter tail county fireWebThis patch converts the rockchip-iommu driver to use the in-kernel iopoll helpers to wait for certain status bits to change in registers instead of an open-coded custom macro. Signed-off-by: Tomasz Figa Signed-off-by: Jeffy Chen --- Changes in v4: None Changes in v3: None Changes in v2: … otter tail county dashboardWebThe Intel IOMMU driver allocates a virtual address per domain. Each PCIE: device has its own domain (hence protection). Devices under p2p bridges: share the virtual address with … rockwood trail house bed and breakfastWeb《Rockchip RK3568 TRM Part1 V1.1-20240301.pdf》二、瑞芯微MIPI-CSI设备树分析在rk3568中主要包含4个设备： isp-subdev：图像处理控制器，如3a处理，并将处理后的所得的参数反馈给sensor。 csi-subdev： mipi数据解析控制器。 cis2-dphy: mipi数据硬件接收控制器。 sensor: 外接的sensor，支持mipi输出。下面我看下瑞芯微MIPI-CSI是如何用设备树 … rockwood travel trailerWebAlthough it might be ideal to merge the previous VFIO series together with this series, given the number of new changes, the review in the IOMMU list might need a couple of rounds to finalize. Also, considering that v6.0 is at rc5 now, perhaps we could merge this IOMMU series and the VFIO one in different cycles to avoid merge conflicts. rockwood trail hogwarts legacy