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]>
Reviewed-by: Mitul Golani <[email protected]>
---
 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

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