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| author | Imre Deak <imre.deak@intel.com> | 2024-06-10 19:49:25 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2024-06-13 21:26:49 +0300 |
| commit | 34aca703d4fdb1ec289a514d0eed1a53d46f5ffd (patch) | |
| tree | 79867d8f01b2b1ccf54e456f227be1ff2cd2ffe7 /drivers/gpu/drm | |
| parent | ff68f68c0ec5e4ad6ee3216ee53d12dd48d06b93 (diff) | |
| download | linux-34aca703d4fdb1ec289a514d0eed1a53d46f5ffd.tar.gz linux-34aca703d4fdb1ec289a514d0eed1a53d46f5ffd.tar.bz2 linux-34aca703d4fdb1ec289a514d0eed1a53d46f5ffd.zip | |
drm/i915/dp: Use check link state work in the HPD IRQ handler
Simplify things by retraining a DP link if a bad link is detected in the
HPD IRQ handler from the encoder's check link state work, similarly to
how this is done after a modeset link training failure.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240610164933.2947366-14-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 06ebf3267038..a6204e469b3f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4974,6 +4974,8 @@ static bool intel_dp_check_mst_status(struct intel_dp *intel_dp) { struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct intel_encoder *encoder = &dig_port->base; bool link_ok = true; bool reprobe_needed = false; @@ -5019,7 +5021,10 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp) drm_dp_mst_hpd_irq_send_new_request(&intel_dp->mst_mgr); } - return link_ok && !reprobe_needed; + if (!link_ok) + intel_encoder_link_check_queue_work(encoder, 0); + + return !reprobe_needed; } static void @@ -5495,9 +5500,7 @@ intel_dp_short_pulse(struct intel_dp *intel_dp) /* Handle CEC interrupts, if any */ drm_dp_cec_irq(&intel_dp->aux); - /* defer to the hotplug work for link retraining if needed */ - if (intel_dp_needs_link_retrain(intel_dp)) - return false; + intel_dp_check_link_state(intel_dp); intel_psr_short_pulse(intel_dp); |