diff options
| author | Imre Deak | 2023-08-30 17:04:21 +0300 |
|---|---|---|
| committer | Imre Deak | 2023-08-31 13:14:40 +0300 |
| commit | 7ce8ac49e421cf115224a915126aacaa5ee9bb80 (patch) | |
| tree | 0bce626abdb28ceea7e8d0aa4fe1bc63705f4f56 | |
| parent | 74c699e41998e948a72528497c62f878fb145ccd (diff) | |
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: Imre Deak <imre.deak@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230830140421.2031111-2-imre.deak@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_power_well.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c b/drivers/gpu/drm/i915/display/intel_display_power_well.c index 916009894d89..820b7d41a0a8 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power_well.c +++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c @@ -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, |