While running with fixed refresh rate and VRR timing generator set FAVT mode (Fixed Vtotal) in DP Adaptive Sync SDP to intimate the panel about Fixed refresh rate.
Signed-off-by: Ankit Nautiyal <[email protected]> --- drivers/gpu/drm/i915/display/intel_dp.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f33b2da1b084..8b362b20bc8d 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2634,10 +2634,12 @@ static void intel_dp_compute_as_sdp(struct intel_dp *intel_dp, crtc_state->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_ADAPTIVE_SYNC); - /* Currently only DP_AS_SDP_AVT_DYNAMIC_VTOTAL mode supported */ as_sdp->sdp_type = DP_SDP_ADAPTIVE_SYNC; as_sdp->length = 0x9; - as_sdp->mode = DP_AS_SDP_AVT_DYNAMIC_VTOTAL; + if (crtc_state->vrr.fixed_rr) + as_sdp->mode = DP_AS_SDP_AVT_FIXED_VTOTAL; + else + as_sdp->mode = DP_AS_SDP_AVT_DYNAMIC_VTOTAL; as_sdp->vtotal = adjusted_mode->vtotal; as_sdp->target_rr = 0; as_sdp->duration_incr_ms = 0; -- 2.40.1
