Hi Dan, > > > > I think I got it - we need to set irq_enabled to true. > > The documentation says so: > > " > > * @irq_enabled: > > * > > * Indicates that interrupt handling is enabled, specifically vblank > > * handling. Drivers which don't use drm_irq_install() need to set this > > * to true manually. > > " > > > > Can you try to add the following line: > > > > > > +static int atmel_hlcdc_dc_irq_install(struct drm_device *dev, unsigned int irq) > > +{ > > + int ret; > > + > > + if (irq == IRQ_NOTCONNECTED) > > + return -ENOTCONN; > > + > > > > dev->irq_enabled = true; <= THIS LINE > > > > > > + atmel_hlcdc_dc_irq_disable(dev); > > + > > + ret = request_irq(irq, atmel_hlcdc_dc_irq_handler, 0, dev->driver->name, dev); > > + if (ret) > > + return ret; > > > > I hope this fixes it. > > It does! With the irq_enabled line added everything is looking good. Great, thanks for testing. Thomas - I assume you will do a re-spin and there is likely some fixes for the applied IRQ conversions too. Note - irq_enabled must be cleared if request_irq fails. I did not include this in the testing here. Sam _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx