On Fri, Jul 12, 2024 at 04:57:24PM +0300, Imre Deak wrote:
> After a bad link state is detected, the sink capabilities with which the
> link was originally trained could have changed: for instance another
> sink got connected or the retraining was forced after the rate/lane count
> got decreased (as a fallback). In these cases the retraining modeset
> fails as expected also printing a debug message, so don't WARN on it.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>
> Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_dp.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 0365fb1e77eae..1e43e32e05199 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -5282,14 +5282,11 @@ static int intel_dp_retrain_link(struct intel_encoder *encoder,
>
> void intel_dp_link_check(struct intel_encoder *encoder)
> {
> - struct drm_i915_private *i915 = to_i915(encoder->base.dev);
> struct drm_modeset_acquire_ctx ctx;
> int ret;
>
> intel_modeset_lock_ctx_retry(&ctx, NULL, 0, ret)
> ret = intel_dp_retrain_link(encoder, &ctx);
> -
> - drm_WARN_ON(&i915->drm, ret);
> }
>
> void intel_dp_check_link_state(struct intel_dp *intel_dp)
> --
> 2.44.2
>
