media: venus: core: Fix platform driver shutdown

Stanimir Varbanov · mchehab · commit 9eb09dc2f465 · 2021-01-11T13:36:18.000+01:00
With TZ system reboot cannot finish successfully. To fix that
enable core clocks by runtime pm before TZ calls and disable
clocks after that.

Tested-by: Shawn Guo &lt;shawn.guo@linaro.org&gt;
Signed-off-by: Stanimir Varbanov &lt;stanimir.varbanov@linaro.org&gt;
Signed-off-by: Mauro Carvalho Chehab &lt;mchehab+huawei@kernel.org&gt;
diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
@@ -349,8 +349,10 @@ static void venus_core_shutdown(struct platform_device *pdev)
 {
 	struct venus_core *core = platform_get_drvdata(pdev);
 
+	pm_runtime_get_sync(core->dev);
 	venus_shutdown(core);
 	venus_firmware_deinit(core);
+	pm_runtime_put_sync(core->dev);
 }
 
 static __maybe_unused int venus_runtime_suspend(struct device *dev)

Original file line number	Diff line number	Diff line change
`@@ -349,8 +349,10 @@ static void venus_core_shutdown(struct platform_device *pdev)`
`349`	`349`	`{`
`350`	`350`	`struct venus_core *core = platform_get_drvdata(pdev);`
`351`	`351`
	`352`	`+ pm_runtime_get_sync(core->dev);`
`352`	`353`	`venus_shutdown(core);`
`353`	`354`	`venus_firmware_deinit(core);`
	`355`	`+ pm_runtime_put_sync(core->dev);`
`354`	`356`	`}`
`355`	`357`
`356`	`358`	`static __maybe_unused int venus_runtime_suspend(struct device *dev)`