Revert "disp: msm: dsi: wait for mdp idle before roi update"

This reverts commit 9184f0dbd383af314112f1f6038a4143c44a5837.

Reason for revert: Janks are observed with bouncing ball test.

Change-Id: I5fd3dd5c7abf83cdaa141ccc42271e3ff899cfce
Signed-off-by: Anand Tarakh <[email protected]>

msm/dsi/dsi_display.c

@@ -8605,10 +8605,6 @@ static int dsi_display_set_roi(struct dsi_display *display,
 		if (!changed)
 			continue;
 
-		rc = dsi_ctrl_wait_for_cmd_mode_mdp_idle(ctrl->ctrl);
-		if (rc)
-			DSI_ERR("wait for cmd mode mdp idle failed rc = %d", rc);
-
 		/* re-program the ctrl with the timing based on the new roi */
 		rc = dsi_ctrl_timing_setup(ctrl->ctrl);
 		if (rc) {