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| author |   AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> | 2021-01-14 23:10:57 +0100 |
|---|---|---|
| committer |   Stephen Boyd <sboyd@kernel.org> | 2021-02-08 10:24:34 -0800 |
| commit | 68e1d106eb4dceb61bc2818d829786b364fd502b (patch) | |
| tree | 0acda90bbff96c0ee75f8e3d99e66c56528beb14 /drivers/clk/qcom | |
| parent | clk: qcom: mmcc-msm8998: Add hardware clockgating registers to some clks (diff) | |
| download | linux-dev-68e1d106eb4dceb61bc2818d829786b364fd502b.tar.xz linux-dev-68e1d106eb4dceb61bc2818d829786b364fd502b.zip | |
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>
Diffstat (limited to 'drivers/clk/qcom')
| -rw-r--r-- | drivers/clk/qcom/mmcc-msm8998.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clk/qcom/mmcc-msm8998.c b/drivers/clk/qcom/mmcc-msm8998.c index 0f7c2a48ef2e..467dadccde02 100644 --- a/drivers/clk/qcom/mmcc-msm8998.c +++ b/drivers/clk/qcom/mmcc-msm8998.c @@ -2663,7 +2663,7 @@ static struct gdsc bimc_smmu_gdsc = { .name = "bimc_smmu", }, .pwrsts = PWRSTS_OFF_ON, - .flags = HW_CTRL, + .flags = HW_CTRL | ALWAYS_ON, }; static struct clk_regmap *mmcc_msm8998_clocks[] = { |