diff mbox series

[v8,6/7] drm/i915/display: Compute Adaptive sync SDP params

Message ID 20240509075833.1858363-7-mitulkumar.ajitkumar.golani@intel.com (mailing list archive)
State New
Headers show
Series Implement CMRR Support | expand

Commit Message

Golani, Mitulkumar Ajitkumar May 9, 2024, 7:58 a.m. UTC 
Compute params for Adaptive Sync SDP when Fixed Average Vtotal
mode is enabled.

Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 523956193fbf..380659f95b30 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2627,7 +2627,7 @@  static void intel_dp_compute_as_sdp(struct intel_dp *intel_dp,
 	const struct drm_display_mode *adjusted_mode =
 		&crtc_state->hw.adjusted_mode;
 
-	if (!crtc_state->vrr.enable ||
+	if (!(crtc_state->vrr.enable || crtc_state->cmrr.enable) ||
 	    !intel_dp_as_sdp_supported(intel_dp))
 		return;
 
@@ -2636,11 +2636,20 @@  static void intel_dp_compute_as_sdp(struct intel_dp *intel_dp,
 	/* Currently only DP_AS_SDP_AVT_FIXED_VTOTAL mode supported */
 	as_sdp->sdp_type = DP_SDP_ADAPTIVE_SYNC;
 	as_sdp->length = 0x9;
-	as_sdp->mode = DP_AS_SDP_AVT_FIXED_VTOTAL;
-	as_sdp->vtotal = adjusted_mode->vtotal;
-	as_sdp->target_rr = 0;
 	as_sdp->duration_incr_ms = 0;
 	as_sdp->duration_incr_ms = 0;
+
+	if (crtc_state->vrr.enable) {
+		as_sdp->mode = DP_AS_SDP_AVT_FIXED_VTOTAL;
+		as_sdp->vtotal = adjusted_mode->vtotal;
+		as_sdp->target_rr = 0;
+	} else {
+		as_sdp->mode = DP_AS_SDP_FAVT_TRR_REACHED;
+		as_sdp->vtotal = adjusted_mode->vtotal;
+		as_sdp->target_rr = DIV_ROUND_UP(adjusted_mode->clock * 1000,
+						 adjusted_mode->htotal * adjusted_mode->vtotal);
+		as_sdp->target_rr_divider = true;
+	}
 }
 
 static void intel_dp_compute_vsc_sdp(struct intel_dp *intel_dp,