[PATCH 06/11] drm/i915/display: Use DP_AS_SDP_AVT_FIXED_VTOTAL when Panel Replay enabled

[Jouni Högander]

Based on Bspec we should use DP_AS_SDP_AVT_FIXED_VTOTAL when having
Adaptive Sync SDPs + Panel Replay enabled.

Bspec: 68920

Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 78ebbba72b53..d355d6a4faf8 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2827,7 +2827,10 @@ static void intel_dp_compute_as_sdp(struct intel_dp *intel_dp,
 	as_sdp->vtotal = intel_vrr_vmin_vtotal(crtc_state);
 	as_sdp->revision = 2;
 
-	if (crtc_state->cmrr.enable) {
+	if (crtc_state->has_panel_replay) {
+		as_sdp->mode = DP_AS_SDP_AVT_FIXED_VTOTAL;
+		as_sdp->target_rr = 0;
+	} else if (crtc_state->cmrr.enable) {
 		as_sdp->mode = DP_AS_SDP_FAVT_TRR_REACHED;
 		as_sdp->target_rr = drm_mode_vrefresh(adjusted_mode);
 		as_sdp->target_rr_divider = true;
@@ -4496,6 +4499,9 @@ static ssize_t intel_dp_as_sdp_pack(const struct drm_dp_as_sdp *as_sdp,
 	sdp->db[3] = as_sdp->target_rr & 0xFF;
 	sdp->db[4] = (as_sdp->target_rr >> 8) & 0x3;
 
+	sdp->db[7] = as_sdp->vtotal & 0xFF;
+	sdp->db[8] = (as_sdp->vtotal >> 8) & 0xFF;
+
 	if (as_sdp->target_rr_divider)
 		sdp->db[4] |= 0x20;
 
-- 
2.43.0