[PATCH 092/120] drm/amd/display: fix PHYCLK in formula.

[Harry Wentland]

From: Charlene Liu <charlene.liu at amd.com>

Change-Id: Ic38eec5a1855a5d19805298a484243b24a1d89a8
Signed-off-by: Charlene Liu <charlene.liu at amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
---
 .../gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c   | 11 +++++++++
 drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c   | 28 ++++++++++++----------
 drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h     |  5 ++++
 3 files changed, 32 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c
index fb5d8db33a82..e8086c09eb6f 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c
@@ -266,6 +266,17 @@ void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v)
 			v->required_output_bw = v->pixel_clock[k] * 3.0;
 		}
 		if (v->output[k] == dcn_bw_hdmi) {
+			v->required_phyclk[k] = v->required_output_bw;
+			switch (v->output_deep_color[k]) {
+			case dcn_bw_encoder_10bpc:
+				v->required_phyclk[k] =  v->required_phyclk[k] * 5.0 / 4;
+			break;
+			case dcn_bw_encoder_12bpc:
+				v->required_phyclk[k] =  v->required_phyclk[k] * 3.0 / 2;
+				break;
+			default:
+				break;
+			}
 			v->required_phyclk[k] = v->required_output_bw / 3.0;
 		}
 		else if (v->output[k] == dcn_bw_dp) {
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index 1922c13d6f22..13b7d8872f97 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -856,18 +856,6 @@ bool dcn_validate_bandwidth(
 				- pipe->stream->timing.v_front_porch;
 		v->vactive[input_idx] = pipe->stream->timing.v_addressable;
 		v->pixel_clock[input_idx] = pipe->stream->timing.pix_clk_khz / 1000.0f;
-		if (pipe->stream->sink->sink_signal ==  SIGNAL_TYPE_HDMI_TYPE_A) {
-			switch (pipe->stream->timing.display_color_depth) {
-			case COLOR_DEPTH_101010:
-					v->pixel_clock[input_idx]  = (v->pixel_clock[input_idx] * 30) / 24;
-				break;
-			case COLOR_DEPTH_121212:
-				v->pixel_clock[input_idx]  = (v->pixel_clock[input_idx] * 36) / 24;
-				break;
-			default:
-				break;
-			}
-		}
 
 		if (!pipe->plane_state) {
 			v->dcc_enable[input_idx] = dcn_bw_yes;
@@ -938,6 +926,22 @@ bool dcn_validate_bandwidth(
 				PIXEL_ENCODING_YCBCR420 ? dcn_bw_420 : dcn_bw_444;
 		v->output[input_idx] = pipe->stream->sink->sink_signal ==
 				SIGNAL_TYPE_HDMI_TYPE_A ? dcn_bw_hdmi : dcn_bw_dp;
+		v->output_deep_color[input_idx] = dcn_bw_encoder_8bpc;
+		if (v->output[input_idx] == dcn_bw_hdmi) {
+			switch (pipe->stream->timing.display_color_depth) {
+			case COLOR_DEPTH_101010:
+				v->output_deep_color[input_idx] = dcn_bw_encoder_10bpc;
+				break;
+			case COLOR_DEPTH_121212:
+				v->output_deep_color[input_idx]  = dcn_bw_encoder_12bpc;
+				break;
+			case COLOR_DEPTH_161616:
+				v->output_deep_color[input_idx]  = dcn_bw_encoder_16bpc;
+				break;
+			default:
+				break;
+			}
+		}
 
 		input_idx++;
 	}
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h b/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h
index b6cc07450f1f..7e8abcd60d12 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/dcn_calcs.h
@@ -89,6 +89,10 @@ enum dcn_bw_defs {
 	dcn_bw_supported_in_v_blank,
 	dcn_bw_not_supported,
 	dcn_bw_na,
+	dcn_bw_encoder_8bpc,
+	dcn_bw_encoder_10bpc,
+	dcn_bw_encoder_12bpc,
+	dcn_bw_encoder_16bpc,
 };
 
 /*bounding box parameters*/
@@ -182,6 +186,7 @@ struct dcn_bw_internal_vars {
 	enum dcn_bw_defs source_pixel_format[number_of_planes_minus_one + 1];
 	enum dcn_bw_defs source_surface_mode[number_of_planes_minus_one + 1];
 	enum dcn_bw_defs output_format[number_of_planes_minus_one + 1];
+	enum dcn_bw_defs output_deep_color[number_of_planes_minus_one + 1];
 	enum dcn_bw_defs output[number_of_planes_minus_one + 1];
 	float scaler_rec_out_width[number_of_planes_minus_one + 1];
 	float scaler_recout_height[number_of_planes_minus_one + 1];
-- 
2.11.0