4 files changed, 31 insertions, 15 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h
index 883c3af51022..e2b58ec9912d 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h
@@ -42,7 +42,15 @@ enum {
 	/* to avoid infinite loop where-in the receiver
 	 * switches between different VS
 	 */
-	LINK_TRAINING_MAX_CR_RETRY = 100
+	LINK_TRAINING_MAX_CR_RETRY = 100,
+	/*
+	 * Some receivers fail to train on first try and are good
+	 * on subsequent tries. 2 retries should be plenty. If we
+	 * don't have a successful training then we don't expect to
+	 * ever get one.
+	 */
+	LINK_TRAINING_MAX_VERIFY_RETRY = 2,
+	PEAK_FACTOR_X1000 = 1006,
 };
 
 bool dp_verify_link_cap(
@@ -182,4 +190,5 @@ enum dc_status dpcd_configure_lttpr_mode(
 		struct link_training_settings *lt_settings);
 
 enum dp_link_encoding dp_get_link_encoding_format(const struct dc_link_settings *link_settings);
+bool dp_retrieve_lttpr_cap(struct dc_link *link);
 #endif /* __DC_LINK_DP_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h
index 47c7e4c3a51b..564ea6a727b0 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h
@@ -237,6 +237,9 @@ struct stream_encoder_funcs {
 	void (*dp_set_odm_combine)(
 		struct stream_encoder *enc,
 		bool odm_combine);
+
+	uint32_t (*get_fifo_cal_average_level)(
+		struct stream_encoder *enc);
 };
 
 #endif /* STREAM_ENCODER_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link_dpcd.h b/drivers/gpu/drm/amd/display/dc/inc/link_dpcd.h
new file mode 100644
index 000000000000..d4d52ef1b165
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/link_dpcd.h
@@ -0,0 +1,18 @@
+#ifndef __LINK_DPCD_H__
+#define __LINK_DPCD_H__
+#include <inc/core_status.h>
+#include <dc_link.h>
+#include <inc/link_hwss.h>
+
+enum dc_status core_link_read_dpcd(
+		struct dc_link *link,
+		uint32_t address,
+		uint8_t *data,
+		uint32_t size);
+
+enum dc_status core_link_write_dpcd(
+		struct dc_link *link,
+		uint32_t address,
+		const uint8_t *data,
+		uint32_t size);
+#endif
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h
index 33590a728fc5..fc1d289bb9fe 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h
@@ -26,20 +26,6 @@
 #ifndef __DC_LINK_HWSS_H__
 #define __DC_LINK_HWSS_H__
 
-#include "inc/core_status.h"
-
-enum dc_status core_link_read_dpcd(
-	struct dc_link *link,
-	uint32_t address,
-	uint8_t *data,
-	uint32_t size);
-
-enum dc_status core_link_write_dpcd(
-	struct dc_link *link,
-	uint32_t address,
-	const uint8_t *data,
-	uint32_t size);
-
 struct gpio *get_hpd_gpio(struct dc_bios *dcb,
 		struct graphics_object_id link_id,
 		struct gpio_service *gpio_service);