diff mbox series

[v5,5/8] drm/i915/tc: Skip ref held check for TC legacy aux power wells

Message ID 20200414194956.164323-5-jose.souza@intel.com (mailing list archive)
State New, archived
Headers show
Series [v5,1/8] drm/i915/display: Move out code to return the digital_port of the aux ch | expand

Commit Message

Souza, Jose April 14, 2020, 7:49 p.m. UTC 
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>
---
 drivers/gpu/drm/i915/display/intel_display_power.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index e2dddaf1051b..50bed2d1dd13 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -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));
 }