drm/bridge: cdns-mhdp: Set correct value in framer config register.

wr_vhsync_fall bit in register DP_FRAMER_GLOBAL_CONFIG_p should always
be set to 1 as per recommendation.

Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>

drivers/gpu/drm/bridge/cdns-mhdp.c

@@ -1494,6 +1494,7 @@ static int mhdp_link_training(struct cdns_mhdp_device *mhdp,
 	cdns_mhdp_reg_read(mhdp, CDNS_DP_FRAMER_GLOBAL_CONFIG, &reg32);
 	reg32 &= ~GENMASK(1, 0);
 	reg32 |= CDNS_DP_NUM_LANES(mhdp->link.num_lanes);
+	reg32 |= CDNS_DP_WR_FAILING_EDGE_VSYNC;
 	cdns_mhdp_reg_write(mhdp, CDNS_DP_FRAMER_GLOBAL_CONFIG, reg32);
 
 	/* Reset PHY config */