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 <ankit.k.nautiyal@xxxxxxxxx>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_dp.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 73fe2e8dd1f3..7e7cc208cbaa 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2814,7 +2814,10 @@ static void intel_dp_compute_as_sdp(struct intel_dp *intel_dp,
as_sdp->target_rr = drm_mode_vrefresh(adjusted_mode);
as_sdp->target_rr_divider = true;
} else {
- as_sdp->mode = DP_AS_SDP_AVT_DYNAMIC_VTOTAL;
+ if (crtc_state->vrr.mode == INTEL_VRRTG_MODE_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;
}
--
2.45.2
