1 files changed, 26 insertions, 58 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/link/link_validation.c b/drivers/gpu/drm/amd/display/dc/link/link_validation.c
index d4f6ee6ca948..e8b2fc4002a5 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_validation.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_validation.c
@@ -29,6 +29,8 @@
  * provides helper functions exposing bandwidth formulas used in validation.
  */
 #include "link_validation.h"
+#include "protocols/link_dp_capability.h"
+#include "protocols/link_dp_dpia_bw.h"
 #include "resource.h"
 
 #define DC_LOGGER_INIT(logger)
@@ -123,7 +125,7 @@ static bool dp_active_dongle_validate_timing(
 		if (dongle_caps->dp_hdmi_frl_max_link_bw_in_kbps > 0) { // DP to HDMI FRL converter
 			struct dc_crtc_timing outputTiming = *timing;
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
+#if defined(CONFIG_DRM_AMD_DC_FP)
 			if (timing->flags.DSC && !timing->dsc_cfg.is_frl)
 				/* DP input has DSC, HDMI FRL output doesn't have DSC, remove DSC from output timing */
 				outputTiming.flags.DSC = 0;
@@ -233,7 +235,7 @@ uint32_t dp_link_bandwidth_kbps(
 		 */
 		link_rate_per_lane_kbps = link_settings->link_rate * LINK_RATE_REF_FREQ_IN_KHZ * BITS_PER_DP_BYTE;
 		total_data_bw_efficiency_x10000 = DATA_EFFICIENCY_8b_10b_x10000;
-		if (dc_link_should_enable_fec(link)) {
+		if (dp_should_enable_fec(link)) {
 			total_data_bw_efficiency_x10000 /= 100;
 			total_data_bw_efficiency_x10000 *= DATA_EFFICIENCY_8b_10b_FEC_EFFICIENCY_x100;
 		}
@@ -254,60 +256,6 @@ uint32_t dp_link_bandwidth_kbps(
 	return link_rate_per_lane_kbps * link_settings->lane_count / 10000 * total_data_bw_efficiency_x10000;
 }
 
-uint32_t link_timing_bandwidth_kbps(
-	const struct dc_crtc_timing *timing)
-{
-	uint32_t bits_per_channel = 0;
-	uint32_t kbps;
-
-#if defined(CONFIG_DRM_AMD_DC_DCN)
-	if (timing->flags.DSC)
-		return dc_dsc_stream_bandwidth_in_kbps(timing,
-				timing->dsc_cfg.bits_per_pixel,
-				timing->dsc_cfg.num_slices_h,
-				timing->dsc_cfg.is_dp);
-#endif /* CONFIG_DRM_AMD_DC_DCN */
-
-	switch (timing->display_color_depth) {
-	case COLOR_DEPTH_666:
-		bits_per_channel = 6;
-		break;
-	case COLOR_DEPTH_888:
-		bits_per_channel = 8;
-		break;
-	case COLOR_DEPTH_101010:
-		bits_per_channel = 10;
-		break;
-	case COLOR_DEPTH_121212:
-		bits_per_channel = 12;
-		break;
-	case COLOR_DEPTH_141414:
-		bits_per_channel = 14;
-		break;
-	case COLOR_DEPTH_161616:
-		bits_per_channel = 16;
-		break;
-	default:
-		ASSERT(bits_per_channel != 0);
-		bits_per_channel = 8;
-		break;
-	}
-
-	kbps = timing->pix_clk_100hz / 10;
-	kbps *= bits_per_channel;
-
-	if (timing->flags.Y_ONLY != 1) {
-		/*Only YOnly make reduce bandwidth by 1/3 compares to RGB*/
-		kbps *= 3;
-		if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
-			kbps /= 2;
-		else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
-			kbps = kbps * 2 / 3;
-	}
-
-	return kbps;
-}
-
 static bool dp_validate_mode_timing(
 	struct dc_link *link,
 	const struct dc_crtc_timing *timing)
@@ -329,7 +277,7 @@ static bool dp_validate_mode_timing(
 		timing->v_addressable == (uint32_t) 480)
 		return true;
 
-	link_setting = dc_link_get_link_cap(link);
+	link_setting = dp_get_verified_link_cap(link);
 
 	/* TODO: DYNAMIC_VALIDATION needs to be implemented */
 	/*if (flags.DYNAMIC_VALIDATION == 1 &&
@@ -338,7 +286,7 @@ static bool dp_validate_mode_timing(
 	*/
 
 	req_bw = dc_bandwidth_in_kbps_from_timing(timing);
-	max_bw = dc_link_bandwidth_kbps(link, link_setting);
+	max_bw = dp_link_bandwidth_kbps(link, link_setting);
 
 	if (req_bw <= max_bw) {
 		/* remember the biggest mode here, during
@@ -396,3 +344,23 @@ enum dc_status link_validate_mode_timing(
 
 	return DC_OK;
 }
+
+bool link_validate_dpia_bandwidth(const struct dc_stream_state *stream, const unsigned int num_streams)
+{
+	bool ret = true;
+	int bw_needed[MAX_DPIA_NUM];
+	struct dc_link *link[MAX_DPIA_NUM];
+
+	if (!num_streams || num_streams > MAX_DPIA_NUM)
+		return ret;
+
+	for (uint8_t i = 0; i < num_streams; ++i) {
+
+		link[i] = stream[i].link;
+		bw_needed[i] = dc_bandwidth_in_kbps_from_timing(&stream[i].timing);
+	}
+
+	ret = dpia_validate_usb4_bw(link, bw_needed, num_streams);
+
+	return ret;
+}