drm/bridge: cdns-mhdp: remove CDNS_DP_SW_RESET (unused)

The register is marked unused, we should not touch it.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

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

@@ -711,10 +711,6 @@ static int mhdp_link_training(struct cdns_mhdp_device *mhdp,
 			   (mhdp->host.lanes_cnt & CDNS_SCRAMBLER) ? 0 :
 			   DP_LINK_SCRAMBLING_DISABLE);
 
-	/* SW reset DPTX framer */
-	cdns_mhdp_reg_write(mhdp, CDNS_DP_SW_RESET, 1);
-	cdns_mhdp_reg_write(mhdp, CDNS_DP_SW_RESET, 0);
-
 	cdns_mhdp_reg_write(mhdp, CDNS_DP_FRAMER_GLOBAL_CONFIG,
 			    CDNS_DP_NUM_LANES(mhdp->link.num_lanes) |
 			    CDNS_DP_DISABLE_PHY_RST |

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

@@ -81,7 +81,6 @@
 #define CDNS_DP_DISABLE_PHY_RST			BIT(6)
 #define CDNS_DP_WR_FAILING_EDGE_VSYNC		BIT(7)
 
-#define CDNS_DP_SW_RESET			(CDNS_DPTX_FRAMER + 0x04)
 #define CDNS_DP_FRAMER_TU			(CDNS_DPTX_FRAMER + 0x08)
 #define CDNS_DP_FRAMER_TU_SIZE(x)		(((x) & GENMASK(6, 0)) << 8)
 #define CDNS_DP_FRAMER_TU_VS(x)			((x) & GENMASK(5, 0))