[PATCH 53/53] drm/i915/dg2: Configure PCON in DP pre-enable path
Matt Roper
matthew.d.roper at intel.com
Thu Jul 1 20:24:27 UTC 2021
From: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
Add the functions to configure HDMI2.1 pcon for DG2, before DP link
training.
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
drivers/gpu/drm/i915/display/intel_ddi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 5499a2975a0e..77f79f3269a1 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -2580,6 +2580,7 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state,
if (!is_mst)
intel_dp_set_power(intel_dp, DP_SET_POWER_D0);
+ intel_dp_configure_protocol_converter(intel_dp, crtc_state);
intel_dp_sink_set_decompression_state(intel_dp, crtc_state, true);
/*
* DDI FEC: "anticipates enabling FEC encoding sets the FEC_READY bit
@@ -2587,6 +2588,8 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state,
* training
*/
intel_dp_sink_set_fec_ready(intel_dp, crtc_state);
+ intel_dp_check_frl_training(intel_dp);
+ intel_dp_pcon_dsc_configure(intel_dp, crtc_state);
/*
* 5.h Follow DisplayPort specification training sequence (see notes for
--
2.25.4
More information about the dri-devel
mailing list