On Wed, 22 Oct 2025 19:19:48 +0300, Dmitry Osipenko wrote:
> Use VOP for DMA operations performed by DRM core. Rockchip DRM driver
> is backed by a virtual device that isn't IOMMU-capable, while VOP is the
> actual display controller device backed by IOMMU. Fixes "swiotlb buffer
> is full" warning messages originated from GEM prime code paths.
>
> Note, that backporting is non-trivial as this depends on 143ec8d3f9396
> ("drm/prime: Support dedicated DMA device for dma-buf imports"), which
> landed in v6.16 and 421be3ee36a4 ("drm/rockchip: Refactor IOMMU
> initialisation"), which landed in v5.19.
>
> [...]
Applied, thanks!
[1/1] drm/rockchip: Set VOP for the DRM DMA device
commit: 7d7bb790aced3b1b8550b74e02fdfc001d044bee
Best regards,
--
Heiko Stuebner <[email protected]>