[Bug 105725] WARNING: CPU: 0 PID: 487 at drivers/gpu/drm/amd/amdgpu/../display /dc/gpio/gpio_base.c:64 dal_gpio_open_ex+0xc/0x30 [amdgpu]

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Comment # 13 on bug 105725 from
Comment on attachment 142485 [details] [review]
Suggested fix with a semaphore

It seems there is a race condition between multiple threads which calls
dal_ddc_open(). With attached patch (testing only, ugly) there are no warnings
anymore.


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