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drm/i915/dg2: Configure PCON in DP pre-enable path

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Add the functions to configure HDMI2.1 pcon for DG2, before DP link
training.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210805163647.801064-10-matthew.d.roper@intel.com
This commit is contained in:
Ankit Nautiyal 2021-08-05 09:36:47 -07:00 committed by Matt Roper
parent 70418a6871
commit 01da701b77
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/display/intel_ddi.c
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@ -2402,6 +2402,7 @@ 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
@ -2409,6 +2410,8 @@ 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