drm/amd/display: decide link training settings based on channel coding

[how]
Rename initialize_training_settings to decide_training_settings.
Call get link encoding format and decide training settings
based on current channel coding.

Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index b3b9b73..4c142e2 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -1231,7 +1231,7 @@ enum link_training_result dp_check_link_loss_status(
        return status;
 }
 
-static void initialize_training_settings(
+static inline void decide_8b_10b_training_settings(
         struct dc_link *link,
        const struct dc_link_settings *link_setting,
        const struct dc_link_training_overrides *overrides,
@@ -1327,6 +1327,17 @@ static void initialize_training_settings(
                lt_settings->enhanced_framing = 1;
 }
 
+static void decide_training_settings(
+               struct dc_link *link,
+               const struct dc_link_settings *link_settings,
+               const struct dc_link_training_overrides *overrides,
+               struct link_training_settings *lt_settings)
+{
+       if (dp_get_link_encoding_format(link_settings) == DP_8b_10b_ENCODING)
+               decide_8b_10b_training_settings(link, link_settings, overrides, lt_settings);
+}
+
+
 uint8_t dp_convert_to_count(uint8_t lttpr_repeater_count)
 {
        switch (lttpr_repeater_count) {
@@ -1542,7 +1553,7 @@ bool dc_link_dp_perform_link_training_skip_aux(
 {
        struct link_training_settings lt_settings;
 
-       initialize_training_settings(
+       decide_training_settings(
                        link,
                        link_setting,
                        &link->preferred_training_settings,
@@ -1592,7 +1603,7 @@ enum link_training_result dc_link_dp_perform_link_training(
        uint8_t repeater_cnt;
        uint8_t repeater_id;
 
-       initialize_training_settings(
+       decide_training_settings(
                        link,
                        link_setting,
                        &link->preferred_training_settings,
@@ -1877,7 +1888,7 @@ enum link_training_result dc_link_dp_sync_lt_attempt(
        enum clock_source_id dp_cs_id = CLOCK_SOURCE_ID_EXTERNAL;
        bool fec_enable = false;
 
-       initialize_training_settings(
+       decide_training_settings(
                link,
                link_settings,
                lt_overrides,