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| /openbmc/linux/drivers/clk/qcom/ |
| H A D | mmcc-msm8998.c | 68e1d106 Thu Jan 14 16:10:57 CST 2021 AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> clk: qcom: mmcc-msm8998: Set bimc_smmu_gdsc always on
This GDSC enables (or cuts!) power to the Multimedia Subsystem IOMMU
(mmss smmu), which has bootloader pre-set secure contexts.
In the event of a complete power loss, the secure contexts will be
reset and the hypervisor will crash the SoC.
To prevent this, and get a working multimedia subsystem, set this
GDSC as always on.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-10-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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