Commit 7ce8ac49 authored by Imre Deak's avatar Imre Deak
Browse files

drm/i915/mtl: Add TC port lockdep assert to AUX power well enabling 



Similarly to earlier platforms, assert in the MTL AUX power well
enabling handler for TC AUX CH power wells that the TC port using the
AUX CH is locked.

Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230830140421.2031111-2-imre.deak@intel.com
parent 74c699e4

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

+5 −0
Original line number Diff line number Diff line
@@ -1794,6 +1794,11 @@ static void xelpdp_aux_power_well_enable(struct drm_i915_private *dev_priv, 
					 struct i915_power_well *power_well)

{

	enum aux_ch aux_ch = i915_power_well_instance(power_well)->xelpdp.aux_ch;

	enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well);



	if (intel_phy_is_tc(dev_priv, phy))

		icl_tc_port_assert_ref_held(dev_priv, power_well,

					    aux_ch_to_digital_port(dev_priv, aux_ch));



	intel_de_rmw(dev_priv, XELPDP_DP_AUX_CH_CTL(aux_ch),

		     XELPDP_DP_AUX_CH_CTL_POWER_REQUEST,