[PATCH v2 1/7] drm/rockchip: Do not use DMA mapping API if attached to IOMMU domain

From: Tomasz Figa The API is not suitable for subsystems consisting of multiple devices and requires severe hacks to use it. To mitigate this, this patch implements allocation and address space management locally by using helpers provided by DRM framework, like other DRM

[PATCH v2 1/7] drm/rockchip: Do not use DMA mapping API if attached to IOMMU domain

From: Tomasz Figa The API is not suitable for subsystems consisting of multiple devices and requires severe hacks to use it. To mitigate this, this patch implements allocation and address space management locally by using helpers provided by DRM framework, like other DRM drivers do, e.g. Tegra.