Commit 7399139b authored by Mansur Alisha Shaik's avatar Mansur Alisha Shaik Committed by Mauro Carvalho Chehab
Browse files

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: default avatarMansur Alisha Shaik <mansur@codeaurora.org>
Signed-off-by: default avatarStanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent de15e623

drivers/media/platform/qcom/venus/core.c

+9 −0
Original line number Diff line number Diff line
@@ -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);