diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.c b/drivers/media/platform/qcom/iris/iris_vpu_common.c
index 22d394851ef1b..1d2692de57786 100644
--- a/drivers/media/platform/qcom/iris/iris_vpu_common.c
+++ b/drivers/media/platform/qcom/iris/iris_vpu_common.c
@@ -369,11 +369,32 @@ u64 iris_vpu2_calculate_frequency(struct iris_inst *inst, size_t data_size)
 	return max(vpp_freq, vsp_freq);
 }
 
+static u64 iris_get_vsp_ref_bitrate(struct iris_inst *inst)
+{
+	struct device *dev = inst->core->dev;
+	u32 codec = inst->codec;
+
+	switch (codec) {
+	case V4L2_PIX_FMT_H264:
+		return 150;
+	case V4L2_PIX_FMT_HEVC:
+		return 140;
+	case V4L2_PIX_FMT_VP9:
+		return 70;
+	case V4L2_PIX_FMT_AV1:
+		return 100;
+	default:
+		dev_err(dev, "Unsupported codec\n");
+		return 1;
+	}
+}
+
 u64 iris_vpu3x_vpu4x_calculate_frequency(struct iris_inst *inst, size_t data_size)
 {
 	struct platform_inst_caps *caps = inst->core->iris_platform_data->inst_caps;
 	struct v4l2_format *inp_f = inst->fmt_src;
 	u32 height, width, mbs_per_second, mbpf;
+	u64 vsp_ref_bitrate, vsp_ref_freq;
 	u64 fw_cycles, fw_vpp_cycles;
 	u64 vsp_cycles, vpp_cycles;
 	u32 fps = inst->frame_rate;
@@ -400,7 +421,13 @@ u64 iris_vpu3x_vpu4x_calculate_frequency(struct iris_inst *inst, size_t data_siz
 		vpp_cycles += div_u64(vpp_cycles * 5, 100);
 
 	vsp_cycles = fps * data_size * 8;
-	vsp_cycles = div_u64(vsp_cycles, 2);
+	vsp_ref_bitrate = iris_get_vsp_ref_bitrate(inst);
+	vsp_ref_freq = inst->codec == V4L2_PIX_FMT_AV1 ? 533 : 444;
+	vsp_cycles = div_u64(vsp_ref_freq * vsp_cycles, vsp_ref_bitrate);
+
+	/* VSP FW SW offset */
+	vsp_cycles = div_u64(vsp_cycles * 1000, 1055);
+
 	/* VSP FW overhead 1.05 */
 	vsp_cycles = div_u64(vsp_cycles * 21, 20);