[PATCH 05/10] video: rockchip: Add VOP2 support

[Dang Huynh]

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.
>