Re: [PATCH v2 3/3] drm/gma500: Fix (vblank) IRQs not working after suspend/resume

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Hi Patrik,

On 9/9/22 10:45, Hans de Goede wrote:
> Hi,
> 
> On 9/9/22 09:34, Patrik Jakobsson wrote:
>> On Thu, Sep 8, 2022 at 3:39 PM Hans de Goede
>> <hdegoede@xxxxxxxxxx> wrote:
>>>
>>> Hi,
>>>
>>> On 9/8/22 15:26, Patrik Jakobsson wrote:

<snip>

>>>> On Poulsbo I can see
>>>> interrupts not getting handled during suspend/resume even with this
>>>> patch applied.
>>>
>>> "during" ?  I guess you mean _after_ a suspend/resume ?
>>
>> Yes. I get: irq 16: nobody cared (try booting with the "irqpoll" option).
>> But perhaps the system is just too slow to respond.

So I've just tested on a Sony Vaio VPCX11S1E (Atom Z540 with PSB graphics)
and with my entire patch-set (did not test without) suspend/resume works
fine there without any "irq xx: nobody cared" messages.

Note that on the Vaio VPCX11S1E the gma500 is using irq 18 rather then
16 and that irq is not shared with anything. So I wonder if this is
related to the irq being shared?

Regards,

Hans




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