Compute params for Adaptive Sync SDP when Fixed Average Vtotal
mode is enabled.
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_dp.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
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,
--
2.25.1
