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-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h12
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/hw/dsc.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h7
3 files changed, 18 insertions, 2 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 3ae05c96d557..428842511c03 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
@@ -65,7 +65,8 @@ bool perform_link_training_with_retries(
bool skip_video_pattern,
int attempts,
struct pipe_ctx *pipe_ctx,
- enum signal_type signal);
+ enum signal_type signal,
+ bool do_fallback);
bool is_mst_supported(struct dc_link *link);
@@ -75,6 +76,8 @@ void detect_edp_sink_caps(struct dc_link *link);
bool is_dp_active_dongle(const struct dc_link *link);
+bool is_dp_branch_device(const struct dc_link *link);
+
bool is_edp_ilr_optimization_required(struct dc_link *link, struct dc_crtc_timing *crtc_timing);
void dp_enable_mst_on_sink(struct dc_link *link, bool enable);
@@ -94,5 +97,12 @@ void dp_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable);
bool dp_update_dsc_config(struct pipe_ctx *pipe_ctx);
bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable);
+/* Convert PHY repeater count read from DPCD uint8_t. */
+uint8_t dp_convert_to_count(uint8_t lttpr_repeater_count);
+
+/* Check DPCD training status registers to detect link loss. */
+enum link_training_result dp_check_link_loss_status(
+ struct dc_link *link,
+ const struct link_training_settings *link_training_setting);
#endif /* __DC_LINK_DP_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dsc.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dsc.h
index f520e13aee4c..f94135c6e3c2 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/dsc.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dsc.h
@@ -88,6 +88,7 @@ struct dsc_enc_caps {
int32_t max_total_throughput_mps; /* Maximum total throughput with all the slices combined */
int32_t max_slice_width;
uint32_t bpp_increment_div; /* bpp increment divisor, e.g. if 16, it's 1/16th of a bit */
+ bool is_dp;
};
struct dsc_funcs {
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h b/drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h
index 7d36e55f3097..883dd8733ea4 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h
@@ -81,6 +81,11 @@ struct dc_link *link_enc_cfg_get_link_using_link_enc(
/* Return DIG link encoder used by link. NULL if unused. */
struct link_encoder *link_enc_cfg_get_link_enc_used_by_link(
struct dc_state *state,
- struct dc_link *link);
+ const struct dc_link *link);
+
+/* Return next available DIG link encoder. NULL if none available. */
+struct link_encoder *link_enc_cfg_get_next_avail_link_enc(
+ const struct dc *dc,
+ const struct dc_state *state);
#endif /* DC_INC_LINK_ENC_CFG_H_ */