On Wed, Mar 11, 2026 at 05:06:08PM +0530, Ankit Nautiyal wrote: > For Panel Replay with AUX-less ALPM (link-off PR), the source must send > Adaptive-Sync SDP v2. Program DB[1:0] per DP spec v2.1: > - VRR AVT: 00b (variable VTotal) > - VRR FAVT: 10b/11b (TRR not reached/reached) > - Fixed timing with PR link-off (VRR off): 01b (AS disabled; VTotal fixed) > > Also, drop the redundant target_rr assignment. > > v2: Fix the else case. (Ville) > > Signed-off-by: Ankit Nautiyal <[email protected]> > --- > drivers/gpu/drm/i915/display/intel_dp.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c > b/drivers/gpu/drm/i915/display/intel_dp.c > index 74a8af3cf18c..2b0318e0ceb0 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -3161,9 +3161,10 @@ static void intel_dp_compute_as_sdp(struct intel_dp > *intel_dp, > as_sdp->mode = DP_AS_SDP_FAVT_TRR_REACHED; > as_sdp->target_rr = drm_mode_vrefresh(adjusted_mode); > as_sdp->target_rr_divider = true; > - } else { > + } else if (crtc_state->vrr.enable) {
Due to the lack of fastset for this we pretty much need a s/crtc_state->vrr.enable/vrr_possible()/ pass over everything. But for now this is at least more correct than the current thing, so Reviewed-by: Ville Syrjälä <[email protected]> > as_sdp->mode = DP_AS_SDP_AVT_DYNAMIC_VTOTAL; > - as_sdp->target_rr = 0; > + } else { > + as_sdp->mode = DP_AS_SDP_AVT_FIXED_VTOTAL; > } > } > > -- > 2.45.2 -- Ville Syrjälä Intel
