[PATCH v2 08/10] drm/msm/hdmi: fix IRQ lifetime

Johan Hovold johan at kernel.org
Fri Sep 23 06:17:26 UTC 2022


On Thu, Sep 22, 2022 at 12:55:03PM -0700, Kuogee Hsieh wrote:
> 
> On 9/13/2022 1:53 AM, Johan Hovold wrote:
> > Device-managed resources allocated post component bind must be tied to
> > the lifetime of the aggregate DRM device or they will not necessarily be
> > released when binding of the aggregate device is deferred.
> >
> > This is specifically true for the HDMI IRQ, which will otherwise remain
> > requested so that the next bind attempt fails when requesting the IRQ a
> > second time.
> >
> > Fix this by tying the device-managed lifetime of the HDMI IRQ to the DRM
> > device so that it is released when bind fails.
> >
> > Fixes: 067fef372c73 ("drm/msm/hdmi: refactor bind/init")
> > Cc: stable at vger.kernel.org      # 3.19
> > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> > Signed-off-by: Johan Hovold <johan+linaro at kernel.org>
> 
> > Tested-by: Kuogee Hsieh <quic_khsieh at quicinc.com>
> > Reviewed-by: Kuogee Hsieh <quic_khsieh at quicinc.com>

I believe you meant:

Tested-by: Kuogee Hsieh <quic_khsieh at quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh at quicinc.com>

here (i.e. without the '>' quotes). Otherwise the tooling may not pick
these up.

Thanks for reviewing and testing.

Johan


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