[PATCH v7 18/18] drm/i915/vrr: Enable DC Balance

[Mitul Golani]

Enable DC Balance from vrr compute config and related hw flag.

Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani at intel.com>
---
 drivers/gpu/drm/i915/display/intel_vrr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index d5359a96054b..e48a795a8c18 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -277,6 +277,9 @@ void intel_vrr_compute_vrr_timings(struct intel_crtc_state *crtc_state)
 {
 	crtc_state->vrr.enable = true;
 	crtc_state->mode_flags |= I915_MODE_FLAG_VRR;
+
+	if (intel_vrr_dc_balance_possible(crtc_state))
+		crtc_state->vrr.dc_balance.enable = true;
 }
 
 /*
@@ -686,6 +689,7 @@ void intel_vrr_enable(const struct intel_crtc_state *crtc_state)
 		ctl |= VRR_CTL_CMRR_ENABLE;
 
 	if (crtc_state->vrr.dc_balance.enable) {
+		ctl |= VRR_CTL_DCB_ADJ_ENABLE;
 		intel_de_write(display, TRANS_ADAPTIVE_SYNC_DCB_CTL(cpu_transcoder),
 			       ADAPTIVE_SYNC_COUNTER_EN);
 		intel_dmc_configure_dc_balance_ctl_regs(display, pipe, true);
-- 
2.48.1