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drm/i915/bmg: Extend DG2 tc check to future

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Discrete cards use the Port numbers TC1-4 for the offsets. The regular
flow for type-c subsystem port initialization can be skipped. This check
is present in DG2. Extend this to future discrete products.

Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240430172850.1881525-5-radhakrishna.sripada@intel.com
This commit is contained in:
Radhakrishna Sripada 2024-04-30 10:28:35 -07:00
parent 080b76d811
commit 68cd737162
1 changed files with 3 additions and 4 deletions
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7
drivers/gpu/drm/i915/display/intel_display.c
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@ -1894,11 +1894,10 @@ 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
* Discrete GPU phy's are not attached to FIA's to support TC
* subsystem Legacy or non-legacy, and only support native DP/HDMI
*/
if (IS_DG2(dev_priv))
if (IS_DGFX(dev_priv))
return false;
if (DISPLAY_VER(dev_priv) >= 13)