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-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.c15
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.h2
2 files changed, 8 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index fd6069ea8f2a..06ebf3267038 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5169,8 +5169,8 @@ static bool intel_dp_is_connected(struct intel_dp *intel_dp)
intel_dp->is_mst;
}
-int intel_dp_retrain_link(struct intel_encoder *encoder,
- struct drm_modeset_acquire_ctx *ctx)
+static int intel_dp_retrain_link(struct intel_encoder *encoder,
+ struct drm_modeset_acquire_ctx *ctx)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
@@ -5904,12 +5904,13 @@ intel_dp_detect(struct drm_connector *connector,
/*
* Some external monitors do not signal loss of link synchronization
* with an IRQ_HPD, so force a link status check.
+ *
+ * TODO: this probably became redundant, so remove it: the link state
+ * is rechecked/recovered now after modesets, where the loss of
+ * synchronization tends to occur.
*/
- if (!intel_dp_is_edp(intel_dp)) {
- ret = intel_dp_retrain_link(encoder, ctx);
- if (ret)
- return ret;
- }
+ if (!intel_dp_is_edp(intel_dp))
+ intel_dp_check_link_state(intel_dp);
/*
* Clearing NACK and defer counts to get their exact values
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index a283641c1a9c..0dca688fac6b 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -57,8 +57,6 @@ void intel_dp_set_link_params(struct intel_dp *intel_dp,
int intel_dp_get_active_pipes(struct intel_dp *intel_dp,
struct drm_modeset_acquire_ctx *ctx,
u8 *pipe_mask);
-int intel_dp_retrain_link(struct intel_encoder *encoder,
- struct drm_modeset_acquire_ctx *ctx);
void intel_dp_link_check(struct intel_encoder *encoder);
void intel_dp_check_link_state(struct intel_dp *intel_dp);
void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode);