drm/i915/psr: PSR2_CTL[Block Count Number] not needed for LunarLake

PSR2_CTL[Block Count Number] is not used by LunarLake do not configure it.

Bspec: 69885
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517073005.2414293-4-jouni.hogander@intel.com

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

@@ -927,7 +927,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
 
 	val |= intel_psr2_get_tp_time(intel_dp);
 
-	if (DISPLAY_VER(dev_priv) >= 12) {
+	if (DISPLAY_VER(dev_priv) >= 12 && DISPLAY_VER(dev_priv) < 20) {
 		if (psr2_block_count(intel_dp) > 2)
 			val |= TGL_EDP_PSR2_BLOCK_COUNT_NUM_3;
 		else