On Thu, 29 Feb 2024, Shekhar Chauhan <shekhar.chauhan@xxxxxxxxx> wrote: > Currently, the driver is only waiting for 1ms for > idle patterns. But starting from LNL and beyond, > the MST wants the driver to wait for 1640us before > timing out (which we round up to 2ms). > > BSpec: 68849 > Signed-off-by: Shekhar Chauhan <shekhar.chauhan@xxxxxxxxx> Replied in the other thread: https://lore.kernel.org/r/878r338nhs.fsf@xxxxxxxxx > --- > drivers/gpu/drm/i915/display/intel_ddi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c > index bea441590204..05ba3642d486 100644 > --- a/drivers/gpu/drm/i915/display/intel_ddi.c > +++ b/drivers/gpu/drm/i915/display/intel_ddi.c > @@ -3680,7 +3680,7 @@ static void intel_ddi_set_idle_link_train(struct intel_dp *intel_dp, > > if (intel_de_wait_for_set(dev_priv, > dp_tp_status_reg(encoder, crtc_state), > - DP_TP_STATUS_IDLE_DONE, 1)) > + DP_TP_STATUS_IDLE_DONE, 2)) > drm_err(&dev_priv->drm, > "Timed out waiting for DP idle patterns\n"); > } -- Jani Nikula, Intel
