diff options
| author | Mansur Alisha Shaik <mansur@codeaurora.org> | 2020-09-24 08:59:46 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-11-17 06:55:20 +0100 |
| commit | 7399139be6b21c7c59323a4fab56cc07cd254529 (patch) | |
| tree | 4a45af777b38483f9c7f970ced5c1fb1b3037fba | |
| parent | de15e6231e6a3ca58d58d7e2c614a76c940dbb38 (diff) | |
media: venus: core: add shutdown callback for venus
After the SMMU translation is disabled in the
arm-smmu shutdown callback during reboot, if
any subsystem are still alive then IOVAs they
are using will become PAs on bus, which may
lead to crash.
So implemented shutdown callback, which detach iommu maps.
Signed-off-by: Mansur Alisha Shaik <mansur@codeaurora.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
| -rw-r--r-- | drivers/media/platform/qcom/venus/core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index d5bfd6fff85b..bdd293faaad0 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -345,6 +345,14 @@ static int venus_remove(struct platform_device *pdev) return ret; } +static void venus_core_shutdown(struct platform_device *pdev) +{ + struct venus_core *core = platform_get_drvdata(pdev); + + venus_shutdown(core); + venus_firmware_deinit(core); +} + static __maybe_unused int venus_runtime_suspend(struct device *dev) { struct venus_core *core = dev_get_drvdata(dev); @@ -620,6 +628,7 @@ static struct platform_driver qcom_venus_driver = { .of_match_table = venus_dt_match, .pm = &venus_pm_ops, }, + .shutdown = venus_core_shutdown, }; module_platform_driver(qcom_venus_driver); |