[PATCH] drm: adv7511: really enable interrupts for EDID detection

[Magnus Damm]

Hi Wolfram,

On Wed, Nov 25, 2015 at 3:48 PM, Wolfram Sang <wsa at the-dreams.de> wrote:
>
>> > This has been tackled as well now. The clock for the GPIO controller was
>> > off, so no interrupt was passed through.
>>
>> Thanks a lot for your efforts! When you have time, can you please show
>> me the patch that fixes that GPIO interrupt problem? I'm asking
>> because I may have ran into a similar issue on Gose or Alt.
>
> For Koelsch, this simply meant I reverted Geert's clocks-off patch. But
> there is a fundamental problem below: GPIO interrupts described with the
> "interrupts" property in DT do not get the underlying GPIO requested.
> And if noone else is using the GPIO block, its clock may be turned off.
>
> I have an idea how to fix it, need to check priorities of the other
> tasks, though.

I guess you mean that the GPIO callbacks include Runtime PM handling
however for irq_chip Runtime PM may not be hooked up so the GPIO block
is in such case is not powered on / get clock enabled?

> BTW, the continous EDID read test on your board is currently at >360000
> successful reads, a not a single failure :)

Excellent, thank you!

/ magnus