On Fri, 2022-05-06 at 08:48 +0300, Jouni Högander wrote: > Currently we have some corner cases where area calculation fails. For > these sel fetch are calculation ends up having update area as y1 = 0, > y2 = 4. Instead of these values safer option is full update. Aren't you able to reproduce this scenarios with IGT? So why not probably fix the calculations? > > Cc: José Roberto de Souza <jose.souza@xxxxxxxxx> > Cc: Mika Kahola <mika.kahola@xxxxxxxxx> > Tested-by: Mark Pearson <markpearson@xxxxxxxxxx> > Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx> > --- > drivers/gpu/drm/i915/display/intel_psr.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c > index 06db407e2749..8c099d24de86 100644 > --- a/drivers/gpu/drm/i915/display/intel_psr.c > +++ b/drivers/gpu/drm/i915/display/intel_psr.c > @@ -1770,6 +1770,9 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, > clip_area_update(&pipe_clip, &damaged_area); > } > > + if (pipe_clip.y1 == -1) > + full_update = true; > + > if (full_update) > goto skip_sel_fetch_set_loop; >
