Link training code contains local "connector to intel_dp"
implementation. This was added due to missing MST handling in
intel_attached_dp. Missing MST support is now fixed in
intel_attached_dp. We can now change link training code to use that instead
of local intel_connector_to_intel_dp.

Signed-off-by: Jouni Högander <[email protected]>
---
 .../drm/i915/display/intel_dp_link_training.c | 30 +++++++------------
 1 file changed, 11 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c 
b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
index f45797c1a2051..28f6b7bb816e2 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -1679,19 +1679,11 @@ void intel_dp_128b132b_sdp_crc16(struct intel_dp 
*intel_dp,
        lt_dbg(intel_dp, DP_PHY_DPRX, "DP2.0 SDP CRC16 for 128b/132b 
enabled\n");
 }
 
-static struct intel_dp *intel_connector_to_intel_dp(struct intel_connector 
*connector)
-{
-       if (connector->mst_port)
-               return connector->mst_port;
-       else
-               return enc_to_intel_dp(intel_attached_encoder(connector));
-}
-
 static int i915_dp_force_link_rate_show(struct seq_file *m, void *data)
 {
        struct intel_connector *connector = to_intel_connector(m->private);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int current_rate = -1;
        int force_rate;
        int err;
@@ -1762,7 +1754,7 @@ static ssize_t i915_dp_force_link_rate_write(struct file 
*file,
        struct seq_file *m = file->private_data;
        struct intel_connector *connector = to_intel_connector(m->private);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int rate;
        int err;
 
@@ -1789,7 +1781,7 @@ static int i915_dp_force_lane_count_show(struct seq_file 
*m, void *data)
 {
        struct intel_connector *connector = to_intel_connector(m->private);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int current_lane_count = -1;
        int force_lane_count;
        int err;
@@ -1864,7 +1856,7 @@ static ssize_t i915_dp_force_lane_count_write(struct file 
*file,
        struct seq_file *m = file->private_data;
        struct intel_connector *connector = to_intel_connector(m->private);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int lane_count;
        int err;
 
@@ -1891,7 +1883,7 @@ static int i915_dp_max_link_rate_show(void *data, u64 
*val)
 {
        struct intel_connector *connector = to_intel_connector(data);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int err;
 
        err = 
drm_modeset_lock_single_interruptible(&display->drm->mode_config.connection_mutex);
@@ -1910,7 +1902,7 @@ static int i915_dp_max_lane_count_show(void *data, u64 
*val)
 {
        struct intel_connector *connector = to_intel_connector(data);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int err;
 
        err = 
drm_modeset_lock_single_interruptible(&display->drm->mode_config.connection_mutex);
@@ -1929,7 +1921,7 @@ static int i915_dp_force_link_training_failure_show(void 
*data, u64 *val)
 {
        struct intel_connector *connector = to_intel_connector(data);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int err;
 
        err = 
drm_modeset_lock_single_interruptible(&display->drm->mode_config.connection_mutex);
@@ -1947,7 +1939,7 @@ static int i915_dp_force_link_training_failure_write(void 
*data, u64 val)
 {
        struct intel_connector *connector = to_intel_connector(data);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int err;
 
        if (val > 2)
@@ -1971,7 +1963,7 @@ static int i915_dp_force_link_retrain_show(void *data, 
u64 *val)
 {
        struct intel_connector *connector = to_intel_connector(data);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int err;
 
        err = 
drm_modeset_lock_single_interruptible(&display->drm->mode_config.connection_mutex);
@@ -1989,7 +1981,7 @@ static int i915_dp_force_link_retrain_write(void *data, 
u64 val)
 {
        struct intel_connector *connector = to_intel_connector(data);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int err;
 
        err = 
drm_modeset_lock_single_interruptible(&display->drm->mode_config.connection_mutex);
@@ -2012,7 +2004,7 @@ static int i915_dp_link_retrain_disabled_show(struct 
seq_file *m, void *data)
 {
        struct intel_connector *connector = to_intel_connector(m->private);
        struct intel_display *display = to_intel_display(connector);
-       struct intel_dp *intel_dp = intel_connector_to_intel_dp(connector);
+       struct intel_dp *intel_dp = intel_attached_dp(connector);
        int err;
 
        err = 
drm_modeset_lock_single_interruptible(&display->drm->mode_config.connection_mutex);
-- 
2.34.1

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