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From: Dang Huynh <danct12@riseup.net>
To: u-boot@lists.denx.de
Cc: Anatolij Gustschin <agust@denx.de>,
	Simon Glass <sjg@chromium.org>,
	Philipp Tomsich <philipp.tomsich@vrull.eu>,
	Kever Yang <kever.yang@rock-chips.com>,
	Tom Rini <trini@konsulko.com>,
	Nicolas Frattaroli <frattaroli.nicolas@gmail.com>,
	Jonas Karlman <jonas@kwiboo.se>, Ondrej Jirman <megi@xff.cz>,
	Dragan Simic <dsimic@manjaro.org>,
	u-boot@lists.denx.de, chaoyi.chen@rock-chips.com,
	Andy Yan <andyshrk@163.com>
Subject: Re: [PATCH 05/10] video: rockchip: Add VOP2 support
Date: Sun, 19 Jan 2025 13:41:27 +0000	[thread overview]
Message-ID: <6563300.lOV4Wx5bFT@melttower> (raw)
In-Reply-To: <7b0b95a6.1824.1947dd3a56a.Coremail.andyshrk@163.com>

Hi Andy,

On Sunday, January 19, 2025 9:10:10 AM UTC Andy Yan wrote:
> Hi Danq,
> 
> Do you have tests with this u-boot video enabled then boot a linux kernel
> also with drm display enabled?
>
Yes, I booted Linux with U-Boot VOP2 and Linux VOP2 enabled without any 
problem.

> Because the u-boot video been enabled with no-mmu, when it runs into linux
> kernel with the window/plane you enable at u-boot stage, when linux kernel
> enable the iommu, there is a moment the window will read the memory through
> iommu, but the framebuffer you set in u-boot stage has not been mapped by
> iommu, there is a high probability of causing an IOMMU page fault.
> 



  reply	other threads:[~2025-01-19 14:46 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-16  9:15 [PATCH 00/10] Rockchip VOP2 support Dang Huynh
2025-01-16  9:15 ` [PATCH 01/10] video: rockchip: dw-mipi-dsi: Depend on CONFIG_VIDEO_BRIDGE Dang Huynh
2025-01-16  9:15 ` [PATCH 02/10] video: rockchip: dw_mipi_dsi: Improve pixel clock calculations Dang Huynh
2025-01-16  9:15 ` [PATCH 03/10] video: rockchip: dw_mipi_dsi: Proceed when external PHY is not defined Dang Huynh
2025-01-16  9:15 ` [PATCH 04/10] video: Add BOE TH101MB31IG002-28A MIPI-DSI panel Dang Huynh
2025-01-16  9:15 ` [PATCH 05/10] video: rockchip: Add VOP2 support Dang Huynh
2025-01-19  9:10   ` Andy Yan
2025-01-19 13:41     ` Dang Huynh [this message]
2025-01-22  9:59       ` [PATCH " Chaoyi Chen
2025-01-16  9:15 ` [PATCH 06/10] video: rockchip: vop2: Add video bridge support Dang Huynh
2025-01-16  9:15 ` [PATCH 07/10] dts: rockchip: rk356x: Prerelocate VOP in U-Boot proper Dang Huynh
2025-01-16  9:15 ` [PATCH 08/10] configs: quartz64: Enable vidconsole Dang Huynh
2025-01-16  9:15 ` [PATCH 09/10] video: rockchip: Add HDMI support for RK3568 Dang Huynh
2025-01-22 10:16   ` Chaoyi Chen
2025-01-16  9:15 ` [PATCH 10/10] configs: pinetab2-rk3566: Enable video and USB keyboard Dang Huynh
2025-01-19 14:08   ` Jonas Karlman
2025-01-19 20:06     ` Dang Huynh

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