diff --git a/msm/vidc/msm_vidc.c b/msm/vidc/msm_vidc.c
index 499abc4f5ad8..051bfb2d2810 100644
--- a/msm/vidc/msm_vidc.c
+++ b/msm/vidc/msm_vidc.c
@@ -1536,6 +1536,7 @@ void *msm_vidc_open(int core_id, int session_type)
 	inst->bse_vpp_delay = DEFAULT_BSE_VPP_DELAY;
 	inst->first_reconfig_done = 0;
 	inst->active = true;
+	inst->has_bframe = 0;
 
 	for (i = SESSION_MSG_INDEX(SESSION_MSG_START);
 		i <= SESSION_MSG_INDEX(SESSION_MSG_END); i++) {
diff --git a/msm/vidc/msm_vidc_clocks.c b/msm/vidc/msm_vidc_clocks.c
index bba5b936cc78..92cf50997829 100644
--- a/msm/vidc/msm_vidc_clocks.c
+++ b/msm/vidc/msm_vidc_clocks.c
@@ -701,9 +701,14 @@ static unsigned long msm_vidc_calc_freq_iris2(struct msm_vidc_inst *inst,
 
 		vpp_cycles = mbs_per_second * vpp_cycles_per_mb /
 				inst->clk_data.work_route;
-		/* 1.25 factor for IbP GOP structure */
-		if (msm_comm_g_ctrl_for_id(inst, V4L2_CID_MPEG_VIDEO_B_FRAMES))
+		/* Factor 1.25 for IbP and 1.375 for I1B2b1P GOP structure */
+		if (is_hier_b_session(inst)) {
+			vpp_cycles += (vpp_cycles / 4) + (vpp_cycles / 8);
+		} else if (msm_comm_g_ctrl_for_id(inst,
+					V4L2_CID_MPEG_VIDEO_B_FRAMES)) {
 			vpp_cycles += vpp_cycles / 4;
+		}
+
 		/* 21 / 20 is minimum overhead factor */
 		vpp_cycles += max(div_u64(vpp_cycles, 20), fw_vpp_cycles);
 		/* 1.01 is multi-pipe overhead */
@@ -758,7 +763,8 @@ static unsigned long msm_vidc_calc_freq_iris2(struct msm_vidc_inst *inst,
 
 		/* VSP */
 		codec = get_v4l2_codec(inst);
-		base_cycles = inst->clk_data.entry->vsp_cycles;
+		base_cycles = inst->has_bframe ?
+				80 : inst->clk_data.entry->vsp_cycles;
 		vsp_cycles = fps * filled_len * 8;
 
 		if (codec == V4L2_PIX_FMT_VP9) {
diff --git a/msm/vidc/msm_vidc_common.c b/msm/vidc/msm_vidc_common.c
index c3ef773a44e5..f85fe2017c4d 100644
--- a/msm/vidc/msm_vidc_common.c
+++ b/msm/vidc/msm_vidc_common.c
@@ -2615,6 +2615,7 @@ static void handle_fbd(enum hal_command_response cmd, void *data)
 		break;
 	case HFI_PICTURE_TYPE_B:
 		mbuf->vvb.flags |= V4L2_BUF_FLAG_BFRAME;
+		inst->has_bframe = 1;
 		break;
 	case HFI_FRAME_NOTCODED:
 	case HFI_UNUSED_PICT:
diff --git a/msm/vidc/msm_vidc_internal.h b/msm/vidc/msm_vidc_internal.h
index d4169575060b..27844dbe19a8 100644
--- a/msm/vidc/msm_vidc_internal.h
+++ b/msm/vidc/msm_vidc_internal.h
@@ -574,6 +574,7 @@ struct msm_vidc_inst {
 	u32 first_reconfig_done;
 	u64 last_qbuf_time_ns;
 	bool active;
+	bool has_bframe;
 };
 
 extern struct msm_vidc_drv *vidc_driver;