[PATCH v3 00/19] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem

[Sjoerd Simons]

Hey Marek, Inki,

On Wed, 2014-11-19 at 12:15 +0100, Marek Szyprowski wrote:
> Hello Everyone,
> 
> This is another attempt to finally make Exynos SYSMMU driver fully
> integrated with DMA-mapping subsystem. The main change from previous
> version is a rebase onto latest "automatic DMA configuration for IOMMU
> masters" patches from Will Deacon.

Do you happen to know if anyone is working on iommu/dma-mapping patches
for Exynos 5 based on this patchset? 

For some background to that question, We (re-)discovered yesterday that
the out-of-tree exynos-reference kernel iommu patches are required to
get HDMI out working on exynos 5 boards. The current situation in
mainline is rather broken, HDMI output without CONFIG_DRM_EXYNOS_IOMMU
results in just displaying stripes[0]. While turning on
CONFIG_DRM_EXYNOS_IOMMU causes a kernel oops at boot....


0: http://people.collabora.com/~sjoerd/14120001.jpg

-- 
Sjoerd Simons <sjoerd.simons at collabora.co.uk>
Collabora Ltd.
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