diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 28d85e1e858e..1caf46e3e569 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1784,31 +1784,31 @@ bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy) bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy) { + /* + * DG2's "TC1", although TC-capable output, doesn't share the same flow + * as other platforms on the display engine side and rather rely on the + * SNPS PHY, that is programmed separately + */ if (IS_DG2(dev_priv)) - /* DG2's "TC1" output uses a SNPS PHY */ return false; - else if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER_FULL(dev_priv) == IP_VER(14, 0)) + + if (DISPLAY_VER(dev_priv) >= 13) return phy >= PHY_F && phy <= PHY_I; else if (IS_TIGERLAKE(dev_priv)) return phy >= PHY_D && phy <= PHY_I; else if (IS_ICELAKE(dev_priv)) return phy >= PHY_C && phy <= PHY_F; - else - return false; + + return false; } bool intel_phy_is_snps(struct drm_i915_private *dev_priv, enum phy phy) { - if (phy == PHY_NONE) - return false; - else if (IS_DG2(dev_priv)) - /* - * All four "combo" ports and the TC1 port (PHY E) use - * Synopsis PHYs. - */ - return phy <= PHY_E; - - return false; + /* + * For DG2, and for DG2 only, all four "combo" ports and the TC1 port + * (PHY E) use Synopsis PHYs. See intel_phy_is_tc(). + */ + return IS_DG2(dev_priv) && phy > PHY_NONE && phy <= PHY_E; } enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port) |