drm/i915/display: Send vrr vsync params whne vrr is enabled

Compute trans vrr vsync params only when either VRR or CMRR
is enabled.

Fixes: 5922f453 ("drm/i915/display: Compute vrr vsync params")
Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611120525.148042-1-mitulkumar.ajitkumar.golani@intel.com

drivers/gpu/drm/i915/display/intel_vrr.c

@@ -232,7 +232,8 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
 		crtc_state->mode_flags |= I915_MODE_FLAG_VRR;
 	}
 
-	if (intel_dp_as_sdp_supported(intel_dp)) {
+	if (intel_dp_as_sdp_supported(intel_dp) &&
+	    crtc_state->vrr.enable) {
 		crtc_state->vrr.vsync_start =
 			(crtc_state->hw.adjusted_mode.crtc_vtotal -
 			 crtc_state->hw.adjusted_mode.vsync_start);