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So, to have access to more detailed debugging information, add an > ASSERT() to dal_irq_service_ack() and dal_irq_service_set() that only > triggers when we encounter an unimplemented function. > > Signed-off-by: Hamza Mahfooz > --- > v2: detail specific instance that I'm interested in and use ASSERT() > instead of WARN(). > --- > .../gpu/drm/amd/display/dc/irq/irq_service.c | 17 +++++++++++++++-- > 1 file changed, 15 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c > index 7bad39bba86b..3d6ab4fd25cb 100644 > --- a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c > +++ b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c > @@ -112,8 +112,15 @@ bool dal_irq_service_set( > > dal_irq_service_ack(irq_service, source); > > - if (info->funcs && info->funcs->set) > + if (info->funcs && info->funcs->set) { > + if (info->funcs->set == dal_irq_service_dummy_set) > + DC_LOG_WARNING("%s: src: %d, st: %d\n", __func__, > + source, enable); > + > + ASSERT(info->funcs->set != dal_irq_service_dummy_set); I think you'll want the ASSERT inside the if block. Harry > + > return info->funcs->set(irq_service, info, enable); > + } > > dal_irq_service_set_generic(irq_service, info, enable); > > @@ -146,8 +153,14 @@ bool dal_irq_service_ack( > return false; > } > > - if (info->funcs && info->funcs->ack) > + if (info->funcs && info->funcs->ack) { > + if (info->funcs->ack == dal_irq_service_dummy_ack) > + DC_LOG_WARNING("%s: src: %d\n", __func__, source); > + > + ASSERT(info->funcs->ack != dal_irq_service_dummy_ack); > + > return info->funcs->ack(irq_service, info); > + } > > dal_irq_service_ack_generic(irq_service, info); >