[PATCH v3 1/3] dt-bindings: mt8173: Fix mdp device tree
Rob Herring
robh at kernel.org
Mon May 15 13:48:56 PDT 2017
On Fri, May 12, 2017 at 11:22:39AM +0800, Minghsiu Tsai wrote:
> If the mdp_* nodes are under an mdp sub-node, their corresponding
> platform device does not automatically get its iommu assigned properly.
>
> Fix this by moving the mdp component nodes up a level such that they are
> siblings of mdp and all other SoC subsystems. This also simplifies the
> device tree.
>
> Although it fixes iommu assignment issue, it also break compatibility
> with old device tree. So, the patch in driver is needed to iterate over
> sibling mdp device nodes, not child ones, to keep driver work properly.
>
> Signed-off-by: Minghsiu Tsai <minghsiu.tsai at mediatek.com>
>
> ---
> Documentation/devicetree/bindings/media/mediatek-mdp.txt | 12 +++---------
> 1 file changed, 3 insertions(+), 9 deletions(-)
Acked-by: Rob Herring <robh at kernel.org>
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