DRM_ERROR("irq timeout id=%u, intf_mode=%s intf=%d wb=%d, pp=%d, intr=%d\n",
                        DRMID(phys_enc->parent),
                        dpu_encoder_helper_get_intf_type(phys_enc->intf_mode),
-                       phys_enc->intf_idx - INTF_0, phys_enc->wb_idx - WB_0,
+                       phys_enc->hw_intf ? phys_enc->hw_intf->idx - INTF_0 : -1,
+                       phys_enc->hw_wb ? phys_enc->hw_wb->idx - WB_0 : -1,
                        phys_enc->hw_pp->idx - PINGPONG_0, intr_idx);
 
        dpu_encoder_frame_done_callback(phys_enc->parent, phys_enc,
                         */
                        trace_dpu_enc_frame_done_cb_not_busy(DRMID(drm_enc), event,
                                        dpu_encoder_helper_get_intf_type(ready_phys->intf_mode),
-                                       ready_phys->intf_idx, ready_phys->wb_idx);
+                                       ready_phys->hw_intf ? ready_phys->hw_intf->idx : -1,
+                                       ready_phys->hw_wb ? ready_phys->hw_wb->idx : -1);
                        return;
                }
 
 
        trace_dpu_enc_trigger_flush(DRMID(drm_enc),
                        dpu_encoder_helper_get_intf_type(phys->intf_mode),
-                       phys->intf_idx, phys->wb_idx,
+                       phys->hw_intf ? phys->hw_intf->idx : -1,
+                       phys->hw_wb ? phys->hw_wb->idx : -1,
                        pending_kickoff_cnt, ctl->idx,
                        extra_flush_bits, ret);
 }
                struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i];
 
                seq_printf(s, "intf:%d  wb:%d  vsync:%8d     underrun:%8d    ",
-                               phys->intf_idx - INTF_0, phys->wb_idx - WB_0,
+                               phys->hw_intf ? phys->hw_intf->idx - INTF_0 : -1,
+                               phys->hw_wb ? phys->hw_wb->idx - WB_0 : -1,
                                atomic_read(&phys->vsync_cnt),
                                atomic_read(&phys->underrun_cnt));
 
                 * h_tile_instance_ids[2] = {1, 0}; DSI1 = left, DSI0 = right
                 */
                u32 controller_id = disp_info->h_tile_instance[i];
+               enum dpu_intf intf_idx;
+               enum dpu_wb wb_idx;
 
                if (disp_info->num_of_h_tiles > 1) {
                        if (i == 0)
                DPU_DEBUG("h_tile_instance %d = %d, split_role %d\n",
                                i, controller_id, phys_params.split_role);
 
-               phys_params.intf_idx = dpu_encoder_get_intf(dpu_kms->catalog,
+               intf_idx = dpu_encoder_get_intf(dpu_kms->catalog,
                                                            disp_info->intf_type,
                                                            controller_id);
 
-               phys_params.wb_idx = dpu_encoder_get_wb(dpu_kms->catalog,
+               wb_idx = dpu_encoder_get_wb(dpu_kms->catalog,
                                disp_info->intf_type, controller_id);
-               /*
-                * The phys_params might represent either an INTF or a WB unit, but not
-                * both of them at the same time.
-                */
-               if ((phys_params.intf_idx == INTF_MAX) &&
-                               (phys_params.wb_idx == WB_MAX)) {
-                       DPU_ERROR_ENC(dpu_enc, "could not get intf or wb: type %d, id %d\n",
-                                                 disp_info->intf_type, controller_id);
-                       ret = -EINVAL;
-               }
 
-               if ((phys_params.intf_idx != INTF_MAX) &&
-                               (phys_params.wb_idx != WB_MAX)) {
-                       DPU_ERROR_ENC(dpu_enc, "both intf and wb present: type %d, id %d\n",
-                                                 disp_info->intf_type, controller_id);
-                       ret = -EINVAL;
-               }
+               if (intf_idx >= INTF_0 && intf_idx < INTF_MAX)
+                       phys_params.hw_intf = dpu_rm_get_intf(&dpu_kms->rm, intf_idx);
 
-               if (!ret) {
-                       ret = dpu_encoder_virt_add_phys_encs(disp_info,
-                                       dpu_enc, &phys_params);
-                       if (ret)
-                               DPU_ERROR_ENC(dpu_enc, "failed to add phys encs\n");
-               }
-       }
+               if (wb_idx >= WB_0 && wb_idx < WB_MAX)
+                       phys_params.hw_wb = dpu_rm_get_wb(&dpu_kms->rm, wb_idx);
 
-       for (i = 0; i < dpu_enc->num_phys_encs; i++) {
-               struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i];
-
-               if (phys->intf_idx >= INTF_0 && phys->intf_idx < INTF_MAX)
-                       phys->hw_intf = dpu_rm_get_intf(&dpu_kms->rm, phys->intf_idx);
-
-               if (phys->wb_idx >= WB_0 && phys->wb_idx < WB_MAX)
-                       phys->hw_wb = dpu_rm_get_wb(&dpu_kms->rm, phys->wb_idx);
-
-               if (!phys->hw_intf && !phys->hw_wb) {
+               if (!phys_params.hw_intf && !phys_params.hw_wb) {
                        DPU_ERROR_ENC(dpu_enc, "no intf or wb block assigned at idx: %d\n", i);
                        ret = -EINVAL;
+                       break;
                }
 
-               if (phys->hw_intf && phys->hw_wb) {
+               if (phys_params.hw_intf && phys_params.hw_wb) {
                        DPU_ERROR_ENC(dpu_enc,
                                        "invalid phys both intf and wb block at idx: %d\n", i);
                        ret = -EINVAL;
+                       break;
                }
+
+               ret = dpu_encoder_virt_add_phys_encs(disp_info,
+                               dpu_enc, &phys_params);
+               if (ret) {
+                       DPU_ERROR_ENC(dpu_enc, "failed to add phys encs\n");
+                       break;
+               }
+
        }
 
        mutex_unlock(&dpu_enc->enc_lock);
        int i;
 
        phys_enc->hw_mdptop = p->dpu_kms->hw_mdp;
-       phys_enc->intf_idx = p->intf_idx;
-       phys_enc->wb_idx = p->wb_idx;
+       phys_enc->hw_intf = p->hw_intf;
+       phys_enc->hw_wb = p->hw_wb;
        phys_enc->parent = p->parent;
        phys_enc->dpu_kms = p->dpu_kms;
        phys_enc->split_role = p->split_role;
 
  * @enabled:           Whether the encoder has enabled and running a mode
  * @split_role:                Role to play in a split-panel configuration
  * @intf_mode:         Interface mode
- * @intf_idx:          Interface index on dpu hardware
- * @wb_idx:                    Writeback index on dpu hardware
  * @enc_spinlock:      Virtual-Encoder-Wide Spin Lock for IRQ purposes
  * @enable_state:      Enable state tracking
  * @vblank_refcount:   Reference count of vblank request
        struct drm_display_mode cached_mode;
        enum dpu_enc_split_role split_role;
        enum dpu_intf_mode intf_mode;
-       enum dpu_intf intf_idx;
-       enum dpu_wb wb_idx;
        spinlock_t *enc_spinlock;
        enum dpu_enc_enable_state enable_state;
        atomic_t vblank_refcount;
  * @parent:            Pointer to the containing virtual encoder
  * @parent_ops:                Callbacks exposed by the parent to the phys_enc
  * @split_role:                Role to play in a split-panel configuration
- * @intf_idx:          Interface index this phys_enc will control
- * @wb_idx:                    Writeback index this phys_enc will control
+ * @hw_intf:           Hardware interface to the intf registers
+ * @hw_wb:             Hardware interface to the wb registers
  * @enc_spinlock:      Virtual-Encoder-Wide Spin Lock for IRQ purposes
  */
 struct dpu_enc_phys_init_params {
        struct dpu_kms *dpu_kms;
        struct drm_encoder *parent;
        enum dpu_enc_split_role split_role;
-       enum dpu_intf intf_idx;
-       enum dpu_wb wb_idx;
+       struct dpu_hw_intf *hw_intf;
+       struct dpu_hw_wb *hw_wb;
        spinlock_t *enc_spinlock;
 };
 
 
 #define DPU_DEBUG_CMDENC(e, fmt, ...) DPU_DEBUG("enc%d intf%d " fmt, \
                (e) && (e)->base.parent ? \
                (e)->base.parent->base.id : -1, \
-               (e) ? (e)->base.intf_idx - INTF_0 : -1, ##__VA_ARGS__)
+               (e) ? (e)->base.hw_intf->idx - INTF_0 : -1, ##__VA_ARGS__)
 
 #define DPU_ERROR_CMDENC(e, fmt, ...) DPU_ERROR("enc%d intf%d " fmt, \
                (e) && (e)->base.parent ? \
                (e)->base.parent->base.id : -1, \
-               (e) ? (e)->base.intf_idx - INTF_0 : -1, ##__VA_ARGS__)
+               (e) ? (e)->base.hw_intf->idx - INTF_0 : -1, ##__VA_ARGS__)
 
 #define to_dpu_encoder_phys_cmd(x) \
        container_of(x, struct dpu_encoder_phys_cmd, base)
        if (!ctl->ops.setup_intf_cfg)
                return;
 
-       intf_cfg.intf = phys_enc->intf_idx;
+       intf_cfg.intf = phys_enc->hw_intf->idx;
        intf_cfg.intf_mode_sel = DPU_CTL_MODE_SEL_CMD;
        intf_cfg.stream_sel = cmd_enc->stream_sel;
        intf_cfg.mode_3d = dpu_encoder_helper_get_3d_blend_mode(phys_enc);
                return;
        }
 
-       dpu_encoder_helper_split_config(phys_enc, phys_enc->intf_idx);
+       dpu_encoder_helper_split_config(phys_enc, phys_enc->hw_intf->idx);
 
        _dpu_encoder_phys_cmd_pingpong_config(phys_enc);
 
                return;
 
        ctl = phys_enc->hw_ctl;
-       ctl->ops.update_pending_flush_intf(ctl, phys_enc->intf_idx);
+       ctl->ops.update_pending_flush_intf(ctl, phys_enc->hw_intf->idx);
 }
 
 static void dpu_encoder_phys_cmd_enable(struct dpu_encoder_phys *phys_enc)
                                phys_enc->hw_pp->idx);
 
                ctl = phys_enc->hw_ctl;
-               ctl->ops.update_pending_flush_intf(ctl, phys_enc->intf_idx);
+               ctl->ops.update_pending_flush_intf(ctl, phys_enc->hw_intf->idx);
        }
 
        phys_enc->enable_state = DPU_ENC_DISABLED;
        if (rc) {
                DRM_ERROR("failed wait_for_idle: id:%u ret:%d intf:%d\n",
                          DRMID(phys_enc->parent), rc,
-                         phys_enc->intf_idx - INTF_0);
+                         phys_enc->hw_intf->idx - INTF_0);
        }
 
        return rc;
        struct dpu_encoder_phys_cmd *cmd_enc = NULL;
        int ret = 0;
 
-       DPU_DEBUG("intf %d\n", p->intf_idx - INTF_0);
+       DPU_DEBUG("intf\n");
 
        cmd_enc = kzalloc(sizeof(*cmd_enc), GFP_KERNEL);
        if (!cmd_enc) {
        cmd_enc->stream_sel = 0;
 
        phys_enc->has_intf_te = test_bit(DPU_INTF_TE,
-                       &phys_enc->dpu_kms->catalog->intf[p->intf_idx - INTF_0].features);
+                                        &phys_enc->hw_intf->cap->features);
 
        atomic_set(&cmd_enc->pending_vblank_cnt, 0);
        init_waitqueue_head(&cmd_enc->pending_vblank_wq);