[RFC PATCH 0/3] drm/msm/dp: several fixes for the IRQ handling

Johan Hovold johan at kernel.org
Thu Sep 1 09:28:15 UTC 2022


On Thu, Sep 01, 2022 at 12:21:36PM +0300, Dmitry Baryshkov wrote:
> On 01/09/2022 12:20, Johan Hovold wrote:
> > On Thu, Sep 01, 2022 at 12:15:24PM +0300, Dmitry Baryshkov wrote:
> >> Johan Hovold has reported that returning a probe deferral from the
> >> msm_dp_modeset_init() can cause issues because the IRQ is not freed
> >> properly. This (compile-tested only) series tries to fix the issue by
> >> moving devm_request_irq() to the probe callback.
> > 
> > Please try to reproduce the issue yourself before posting untested RFCs.
> > We're all short on time.
> 
> I do not have a working DP setup. Thus it's either this, or nothing.

Ok, you could have mentioned that as the above sounds a bit lazy.

I don't have time to work on this right now as I mentioned elsewhere.
Avoiding probe deferral by fiddling with the config serves as a fragile
workaround until then.

Johan


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