On Mon, May 18, 2026 at 09:24:51AM +0530, Ankit Nautiyal wrote: > Introduce a helper to check if Panel Replay has Async Video Timing support > during PR Active state. > > v2: Confirm that Panel Replay is supported before checking for > Async Video Timing Support during PR active. (Ville) > > Signed-off-by: Ankit Nautiyal <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]> > --- > drivers/gpu/drm/i915/display/intel_psr.c | 11 +++++++++++ > drivers/gpu/drm/i915/display/intel_psr.h | 1 + > 2 files changed, 12 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c > b/drivers/gpu/drm/i915/display/intel_psr.c > index 892d209dce1b..431468103f51 100644 > --- a/drivers/gpu/drm/i915/display/intel_psr.c > +++ b/drivers/gpu/drm/i915/display/intel_psr.c > @@ -4655,3 +4655,14 @@ bool intel_psr_use_trans_push(const struct > intel_crtc_state *crtc_state) > > return HAS_PSR_TRANS_PUSH_FRAME_CHANGE(display) && crtc_state->has_psr; > } > + > +bool intel_psr_pr_async_video_timing_supported(struct intel_dp *intel_dp) > +{ > + struct intel_connector *connector = intel_dp->attached_connector; > + u8 *dpcd = connector->dp.panel_replay_caps.dpcd; > + u8 pr_support = dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_SUPPORT)]; > + u8 pr_cap = dpcd[INTEL_PR_DPCD_INDEX(DP_PANEL_REPLAY_CAP_CAPABILITY)]; > + > + return (pr_support & DP_PANEL_REPLAY_SUPPORT) && > + !(pr_cap & > DP_PANEL_REPLAY_ASYNC_VIDEO_TIMING_NOT_SUPPORTED_IN_PR); > +} > diff --git a/drivers/gpu/drm/i915/display/intel_psr.h > b/drivers/gpu/drm/i915/display/intel_psr.h > index 394b641840b3..29723e63888f 100644 > --- a/drivers/gpu/drm/i915/display/intel_psr.h > +++ b/drivers/gpu/drm/i915/display/intel_psr.h > @@ -86,5 +86,6 @@ void intel_psr_compute_config_late(struct intel_dp > *intel_dp, > struct intel_crtc_state *crtc_state); > int intel_psr_min_guardband(struct intel_crtc_state *crtc_state); > bool intel_psr_use_trans_push(const struct intel_crtc_state *crtc_state); > +bool intel_psr_pr_async_video_timing_supported(struct intel_dp *intel_dp); > > #endif /* __INTEL_PSR_H__ */ > -- > 2.45.2 -- Ville Syrjälä Intel
