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drm/i915/tc: Skip ref held check for TC legacy aux power wells 

As part of ICL TC cold exit sequences we need to request aux power
well before lock the access to TC ports, so skiping the
intel_tc_port_ref_held() check for TC legacy ports.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Tested-by: You-Sheng Yang <vicamo.yang@canonical.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200414194956.164323-5-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza 2020-04-14 12:49:53 -07:00
parent feb7e0ef5f
commit 7ce40a6715
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/display/intel_display_power.c
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@ -560,6 +560,9 @@ static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv,
if (drm_WARN_ON(&dev_priv->drm, !dig_port))
return;
if (INTEL_GEN(dev_priv) == 11 && dig_port->tc_legacy_port)
return;
drm_WARN_ON(&dev_priv->drm, !intel_tc_port_ref_held(dig_port));
}