On Thu, Oct 14, 2021 at 12:18:23PM +0300, Jani Nikula wrote:
> On Thu, 14 Oct 2021, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> >
> > We don't have hpd support on i8xx/i915 which means hotplug_funcs==NULL.
> > Let's not oops when loading the driver on one those machines.
>
> D'oh!
>
> Lemme guess, CI just casually dropped the machines from the results
> because they didn't boot?
Dunno where the gdg has gone actually. Tomi?
>
> Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>
> >
> > Cc: Dave Airlie <airlied@xxxxxxxxxx>
> > Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> > Fixes: cd030c7c11a4 ("drm/i915: constify hotplug function vtable.")
> > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/display/intel_hotplug.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c
> > index 3c1cec953b42..0e949a258a22 100644
> > --- a/drivers/gpu/drm/i915/display/intel_hotplug.c
> > +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
> > @@ -215,7 +215,8 @@ intel_hpd_irq_storm_switch_to_polling(struct drm_i915_private *dev_priv)
> >
> > static void intel_hpd_irq_setup(struct drm_i915_private *i915)
> > {
> > - if (i915->display_irqs_enabled && i915->hotplug_funcs->hpd_irq_setup)
> > + if (i915->display_irqs_enabled &&
> > + i915->hotplug_funcs && i915->hotplug_funcs->hpd_irq_setup)
> > i915->hotplug_funcs->hpd_irq_setup(i915);
> > }
>
> --
> Jani Nikula, Intel Open Source Graphics Center
--
Ville Syrjälä
Intel
