[PATCH v2 12/21] drm/i915/dp: Use check link state work in the detect handler

Imre Deak
2024-05-20T18:58:38Z

Simplify things by retraining a DP link if a bad link is detected in the
connector detect handler from the encoder's check link state work,
similarly to how this is done after a modeset link training failure.

Signed-off-by: Imre Deak <imre.deak@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index ff4ed6bb520d8..70b00e5ae7ad7 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5863,11 +5863,8 @@ 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.
*/
- 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
--
2.43.3