drm/i915/tc: Add TC PHY hooks to get the PHY ready/owned state

Add TC PHY hooks to get the PHY ready/owned state on each platform,
replacing the corresponding if ladder.

Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323142035.1432621-10-imre.deak@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 2556fea..052103c 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -26,6 +26,8 @@ struct intel_tc_port;
 
 struct intel_tc_phy_ops {
        u32 (*hpd_live_status)(struct intel_tc_port *tc);
+       bool (*is_ready)(struct intel_tc_port *tc);
+       bool (*is_owned)(struct intel_tc_port *tc);
 };
 
 struct intel_tc_port {
@@ -502,6 +504,8 @@ static void icl_tc_phy_disconnect(struct intel_tc_port *tc)
 
 static const struct intel_tc_phy_ops icl_tc_phy_ops = {
        .hpd_live_status = icl_tc_phy_hpd_live_status,
+       .is_ready = icl_tc_phy_is_ready,
+       .is_owned = icl_tc_phy_is_owned,
 };
 
 /*
@@ -581,6 +585,8 @@ static bool adlp_tc_phy_is_owned(struct intel_tc_port *tc)
 
 static const struct intel_tc_phy_ops adlp_tc_phy_ops = {
        .hpd_live_status = adlp_tc_phy_hpd_live_status,
+       .is_ready = adlp_tc_phy_is_ready,
+       .is_owned = adlp_tc_phy_is_owned,
 };
 
 /*
@@ -603,22 +609,12 @@ static u32 tc_phy_hpd_live_status(struct intel_tc_port *tc)
 
 static bool tc_phy_is_ready(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = tc_to_i915(tc);
-
-       if (IS_ALDERLAKE_P(i915))
-               return adlp_tc_phy_is_ready(tc);
-
-       return icl_tc_phy_is_ready(tc);
+       return tc->phy_ops->is_ready(tc);
 }
 
 static bool tc_phy_is_owned(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = tc_to_i915(tc);
-
-       if (IS_ALDERLAKE_P(i915))
-               return adlp_tc_phy_is_owned(tc);
-
-       return icl_tc_phy_is_owned(tc);
+       return tc->phy_ops->is_owned(tc);
 }
 
 static bool tc_phy_take_ownership(struct intel_tc_port *tc, bool take)