Commit bd0fdd31 authored by Imre Deak's avatar Imre Deak
Browse files

drm/i915/tc: Add TC PHY hooks to connect/disconnect the PHY 



Add TC PHY hooks to connect/disconnect the PHY. A follow-up patch will
add the ADLP specific hooks for these.

Reviewed-by: default avatarMika Kahola <mika.kahola@intel.com>
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323142035.1432621-14-imre.deak@intel.com
parent 712f422e

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

+9 −3
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ struct intel_tc_phy_ops { 
	bool (*is_ready)(struct intel_tc_port *tc);

	bool (*is_owned)(struct intel_tc_port *tc);

	void (*get_hw_state)(struct intel_tc_port *tc);

	bool (*connect)(struct intel_tc_port *tc, int required_lanes);

	void (*disconnect)(struct intel_tc_port *tc);

};



struct intel_tc_port {
@@ -523,6 +525,8 @@ static const struct intel_tc_phy_ops icl_tc_phy_ops = { 
	.is_ready = icl_tc_phy_is_ready,

	.is_owned = icl_tc_phy_is_owned,

	.get_hw_state = icl_tc_phy_get_hw_state,

	.connect = icl_tc_phy_connect,

	.disconnect = icl_tc_phy_disconnect,

};



/*
@@ -605,6 +609,8 @@ static const struct intel_tc_phy_ops adlp_tc_phy_ops = { 
	.is_ready = adlp_tc_phy_is_ready,

	.is_owned = adlp_tc_phy_is_owned,

	.get_hw_state = icl_tc_phy_get_hw_state,

	.connect = icl_tc_phy_connect,

	.disconnect = icl_tc_phy_disconnect,

};



/*
@@ -824,10 +830,10 @@ static void tc_phy_connect(struct intel_tc_port *tc, int required_lanes) 


	tc->mode = tc_phy_get_target_mode(tc);



	connected = icl_tc_phy_connect(tc, required_lanes);

	connected = tc->phy_ops->connect(tc, required_lanes);

	if (!connected && tc->mode != default_tc_mode(tc)) {

		tc->mode = default_tc_mode(tc);

		connected = icl_tc_phy_connect(tc, required_lanes);

		connected = tc->phy_ops->connect(tc, required_lanes);

	}



	drm_WARN_ON(&i915->drm, !connected);
@@ -836,7 +842,7 @@ static void tc_phy_connect(struct intel_tc_port *tc, int required_lanes) 
static void tc_phy_disconnect(struct intel_tc_port *tc)

{

	if (tc->mode != TC_PORT_DISCONNECTED) {

		icl_tc_phy_disconnect(tc);

		tc->phy_ops->disconnect(tc);

		tc->mode = TC_PORT_DISCONNECTED;

	}

}