Commit 01da701b authored by Ankit Nautiyal's avatar Ankit Nautiyal Committed by Matt Roper
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drm/i915/dg2: Configure PCON in DP pre-enable path 



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

Signed-off-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Reviewed-by: default avatarJosé Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210805163647.801064-10-matthew.d.roper@intel.com
parent 70418a68

drivers/gpu/drm/i915/display/intel_ddi.c

+3 −0
Original line number Diff line number Diff line
@@ -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