drm/kmb: Remove clearing DPHY regs

Don't clear the shared DPHY registers common to MIPI Rx and MIPI Tx during
DSI initialization since this was causing MIPI Rx reset. Rest of the
writes are bitwise, so will not affect Mipi Rx side.

Fixes: 98521f4 ("drm/kmb: Mipi DSI part of the display driver")
Signed-off-by: Edmund Dea <[email protected]>
Signed-off-by: Anitha Chrisanthus <[email protected]>
Acked-by: Sam Ravnborg <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Maarten Lankhorst <[email protected]>

Author: ejdea-intel

drivers/gpu/drm/kmb/kmb_dsi.c

@@ -1393,11 +1393,6 @@ int kmb_dsi_mode_set(struct kmb_dsi *kmb_dsi, struct drm_display_mode *mode,
 		mipi_tx_init_cfg.lane_rate_mbps = data_rate;
 	}
 
-	kmb_write_mipi(kmb_dsi, DPHY_ENABLE, 0);
-	kmb_write_mipi(kmb_dsi, DPHY_INIT_CTRL0, 0);
-	kmb_write_mipi(kmb_dsi, DPHY_INIT_CTRL1, 0);
-	kmb_write_mipi(kmb_dsi, DPHY_INIT_CTRL2, 0);
-
 	/* Initialize mipi controller */
 	mipi_tx_init_cntrl(kmb_dsi, &mipi_tx_init_cfg);