diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
index 848db8676adf..cc3d6fb39364 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
@@ -797,6 +797,29 @@ enum dc_timing_3d_format {
 	TIMING_3D_FORMAT_MAX,
 };
 
+#define DC_DSC_QP_SET_SIZE 15
+#define DC_DSC_RC_BUF_THRESH_SIZE 14
+struct dc_dsc_rc_params_override {
+	int32_t rc_model_size;
+	int32_t rc_buf_thresh[DC_DSC_RC_BUF_THRESH_SIZE];
+	int32_t rc_minqp[DC_DSC_QP_SET_SIZE];
+	int32_t rc_maxqp[DC_DSC_QP_SET_SIZE];
+	int32_t rc_offset[DC_DSC_QP_SET_SIZE];
+
+	int32_t rc_tgt_offset_hi;
+	int32_t rc_tgt_offset_lo;
+	int32_t rc_edge_factor;
+	int32_t rc_quant_incr_limit0;
+	int32_t rc_quant_incr_limit1;
+
+	int32_t initial_fullness_offset;
+	int32_t initial_delay;
+
+	int32_t flatness_min_qp;
+	int32_t flatness_max_qp;
+	int32_t flatness_det_thresh;
+};
+
 struct dc_dsc_config {
 	uint32_t num_slices_h; /* Number of DSC slices - horizontal */
 	uint32_t num_slices_v; /* Number of DSC slices - vertical */
@@ -811,6 +834,7 @@ struct dc_dsc_config {
 #endif
 	bool is_dp; /* indicate if DSC is applied based on DP's capability */
 	uint32_t mst_pbn; /* pbn of display on dsc mst hub */
+	const struct dc_dsc_rc_params_override *rc_params_ovrd; /* DM owned memory. If not NULL, apply custom dsc rc params */
 };
 
 /**
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c
index c08c01e05dcf..42344aec60d6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c
@@ -28,6 +28,7 @@
 #include "reg_helper.h"
 #include "dcn20_dsc.h"
 #include "dsc/dscc_types.h"
+#include "dsc/rc_calc.h"
 
 static void dsc_log_pps(struct display_stream_compressor *dsc, struct drm_dsc_config *pps);
 static bool dsc_prepare_config(const struct dsc_config *dsc_cfg, struct dsc_reg_values *dsc_reg_vals,
@@ -344,10 +345,38 @@ static void dsc_log_pps(struct display_stream_compressor *dsc, struct drm_dsc_co
 	}
 }
 
+static void dsc_override_rc_params(struct rc_params *rc, const struct dc_dsc_rc_params_override *override)
+{
+	uint8_t i;
+
+	rc->rc_model_size = override->rc_model_size;
+	for (i = 0; i < DC_DSC_RC_BUF_THRESH_SIZE; i++)
+		rc->rc_buf_thresh[i] = override->rc_buf_thresh[i];
+	for (i = 0; i < DC_DSC_QP_SET_SIZE; i++) {
+		rc->qp_min[i] = override->rc_minqp[i];
+		rc->qp_max[i] = override->rc_maxqp[i];
+		rc->ofs[i] = override->rc_offset[i];
+	}
+
+	rc->rc_tgt_offset_hi = override->rc_tgt_offset_hi;
+	rc->rc_tgt_offset_lo = override->rc_tgt_offset_lo;
+	rc->rc_edge_factor = override->rc_edge_factor;
+	rc->rc_quant_incr_limit0 = override->rc_quant_incr_limit0;
+	rc->rc_quant_incr_limit1 = override->rc_quant_incr_limit1;
+
+	rc->initial_fullness_offset = override->initial_fullness_offset;
+	rc->initial_xmit_delay = override->initial_delay;
+
+	rc->flatness_min_qp = override->flatness_min_qp;
+	rc->flatness_max_qp = override->flatness_max_qp;
+	rc->flatness_det_thresh = override->flatness_det_thresh;
+}
+
 static bool dsc_prepare_config(const struct dsc_config *dsc_cfg, struct dsc_reg_values *dsc_reg_vals,
 			struct dsc_optc_config *dsc_optc_cfg)
 {
 	struct dsc_parameters dsc_params;
+	struct rc_params rc;
 
 	/* Validate input parameters */
 	ASSERT(dsc_cfg->dc_dsc_cfg.num_slices_h);
@@ -412,7 +441,12 @@ static bool dsc_prepare_config(const struct dsc_config *dsc_cfg, struct dsc_reg_
 	dsc_reg_vals->pps.native_420 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_NATIVE_YCBCR420);
 	dsc_reg_vals->pps.simple_422 = (dsc_reg_vals->pixel_format == DSC_PIXFMT_SIMPLE_YCBCR422);
 
-	if (dscc_compute_dsc_parameters(&dsc_reg_vals->pps, &dsc_params)) {
+	calc_rc_params(&rc, &dsc_reg_vals->pps);
+
+	if (dsc_cfg->dc_dsc_cfg.rc_params_ovrd)
+		dsc_override_rc_params(&rc, dsc_cfg->dc_dsc_cfg.rc_params_ovrd);
+
+	if (dscc_compute_dsc_parameters(&dsc_reg_vals->pps, &rc, &dsc_params)) {
 		dm_output_to_console("%s: DSC config failed\n", __func__);
 		return false;
 	}
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h b/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h
index ad80bde9bc0f..31574940ccc7 100644
--- a/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dsc/dscc_types.h
@@ -46,7 +46,10 @@ struct dsc_parameters {
 	uint32_t rc_buffer_model_size;
 };
 
-int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, struct dsc_parameters *dsc_params);
+struct rc_params;
 
+int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps,
+		const struct rc_params *rc,
+		struct dsc_parameters *dsc_params);
 #endif
 
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c
index f0aea988fef0..36d6c1646a51 100644
--- a/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c
+++ b/drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.c
@@ -95,19 +95,19 @@ static void copy_rc_to_cfg(struct drm_dsc_config *dsc_cfg, const struct rc_param
 		dsc_cfg->rc_buf_thresh[i] = rc->rc_buf_thresh[i];
 }
 
-int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, struct dsc_parameters *dsc_params)
+int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps,
+		const struct rc_params *rc,
+		struct dsc_parameters *dsc_params)
 {
 	int              ret;
-	struct rc_params rc;
 	struct drm_dsc_config   dsc_cfg;
 	unsigned long long tmp;
 
-	calc_rc_params(&rc, pps);
 	dsc_params->pps = *pps;
-	dsc_params->pps.initial_scale_value = 8 * rc.rc_model_size / (rc.rc_model_size - rc.initial_fullness_offset);
+	dsc_params->pps.initial_scale_value = 8 * rc->rc_model_size / (rc->rc_model_size - rc->initial_fullness_offset);
 
 	copy_pps_fields(&dsc_cfg, &dsc_params->pps);
-	copy_rc_to_cfg(&dsc_cfg, &rc);
+	copy_rc_to_cfg(&dsc_cfg, rc);
 
 	dsc_cfg.mux_word_size = dsc_params->pps.bits_per_component <= 10 ? 48 : 64;