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Reviewed-by: Ankit Nautiyal > Change event. > > Keep PSR1 and PSR2 HW tracking as it is for older platforms as this was > seen causing problems there. > > Signed-off-by: Jouni Högander > --- > drivers/gpu/drm/i915/display/intel_psr.c | 18 ++++++++++-------- > 1 file changed, 10 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c > index 4336ba188aa7..ee70d0ceeb5b 100644 > --- a/drivers/gpu/drm/i915/display/intel_psr.c > +++ b/drivers/gpu/drm/i915/display/intel_psr.c > @@ -3559,7 +3559,14 @@ static void _psr_flush_handle(struct intel_dp *intel_dp) > { > struct intel_display *display = to_intel_display(intel_dp); > > - if (DISPLAY_VER(display) < 20 && intel_dp->psr.psr2_sel_fetch_enabled) { > + if (DISPLAY_VER(display) >= 20) { > + /* > + * We can use PSR exit on LunarLake onwards. Also > + * using trans push mechanism to trigger Frame Change > + * event requires using PSR exit. > + */ > + intel_psr_exit(intel_dp); > + } else if (intel_dp->psr.psr2_sel_fetch_enabled) { > /* Selective fetch prior LNL */ > if (intel_dp->psr.psr2_sel_fetch_cff_enabled) { > /* can we turn CFF off? */ > @@ -3579,16 +3586,11 @@ static void _psr_flush_handle(struct intel_dp *intel_dp) > intel_psr_configure_full_frame_update(intel_dp); > > intel_psr_force_update(intel_dp); > - } else if (!intel_dp->psr.psr2_sel_fetch_enabled) { > + } else { > /* > - * PSR1 on all platforms > - * PSR2 HW tracking > - * Panel Replay Full frame update > + * On older platforms using PSR exit was seen causing problems > */ > intel_psr_force_update(intel_dp); > - } else { > - /* Selective update LNL onwards */ > - intel_psr_exit(intel_dp); > } > > if (!intel_dp->psr.active && !intel_dp->psr.busy_frontbuffer_bits)