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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: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323142035.1432621-14-imre.deak@intel.com
This commit is contained in:
Imre Deak 2023-03-23 16:20:19 +02:00
parent 712f422ed7
commit bd0fdd31c1
1 changed files with 9 additions and 3 deletions
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12
drivers/gpu/drm/i915/display/intel_tc.c
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@ -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;
}
}