The driver side patches are now pulled in [1]. So, we can now enable these smmu's used by display and graphics. This has been lying in my test trees [2] for a while, and work well with display and gpu enabled on msm8996.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git/log/?h=for-joerg/arm-smmu/updates [2] https://github.com/vivekgautam1/linux/tree/origin/v4.20-rc5/db820c Archit Taneja (1): arm64: dts: msm8996: Add display smmu node Jordan Crouse (1): arm64: dts: msm8996: Add graphics smmu node arch/arm64/boot/dts/qcom/msm8996.dtsi | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation