On Fri, 2018-03-30 at 14:15 -0700, Dhinakaran Pandiyan wrote:
> Interrupts other than the one for AUX errors are required only for debug,
> so unmask them via debugfs when the user requests debug.
>
> User can make such a request with
> echo 1 > <DEBUG_FS>/dri/0/i915_edp_psr_debug
>
> There are no locks to serialize PSR debug enabling from
> irq_postinstall() and debugfs for simplicity. As irq_postinstall() is
> called only during module initialization/resume and IGT subtests
> aren't expected to modify PSR debug at those times, we should be safe.
Let me know what you think, I am not completely sure about this.
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