Hi Stefan, On 25 March 2018 at 02:52, Stefan Schake <stschake@xxxxxxxxx> wrote: > +static int vc4_crtc_get_ctm_fifo(struct vc4_dev *vc4) > +{ > + return VC4_GET_FIELD(HVS_READ(SCALER_OLEDOFFS), > + SCALER_OLEDOFFS_DISPFIFO); > +} This needs to be managed as a global resource through atomic state objects, rather than checking the current hardware state. Cheers, Daniel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel