Commit 68cd7371 authored by Radhakrishna Sripada's avatar Radhakrishna Sripada
Browse files

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



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: default avatarRadhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: default avatarBalasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240430172850.1881525-5-radhakrishna.sripada@intel.com
parent 080b76d8

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

+3 −4
Original line number Diff line number Diff line
@@ -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)