Merge "disp: msm: sde: update uidle ctl register only for master encoder" into display-kernel.lnx.5.15

msm/sde/sde_encoder.c

@@ -145,7 +145,8 @@ void sde_encoder_uidle_enable(struct drm_encoder *drm_enc, bool enable)
 	for (i = 0; i < sde_enc->num_phys_encs; i++) {
 		struct sde_encoder_phys *phys = sde_enc->phys_encs[i];
 
-		if (phys && phys->hw_ctl && phys->hw_ctl->ops.uidle_enable) {
+		if (phys && phys->hw_ctl && phys->hw_ctl->ops.uidle_enable &&
+				phys->split_role != ENC_ROLE_SLAVE) {
 			if (enable)
 				SDE_EVT32(DRMID(drm_enc), enable);
 			phys->hw_ctl->ops.uidle_enable(phys->hw_ctl, enable);